WO2016021353A1

WO2016021353A1 - Combine and threshing device mounted therein

Info

Publication number: WO2016021353A1
Application number: PCT/JP2015/069420
Authority: WO
Inventors: 三井孝文; 福岡義剛
Original assignee: 株式会社クボタ
Priority date: 2014-08-05
Filing date: 2015-07-06
Publication date: 2016-02-11
Also published as: CN113812267B; CN113812267A; CN110226415B; CN110226415A; CN106455491A; CN106455491B

Abstract

A combine is provided with a threshing device (8) for threshing reaped culms, and a grain tank (9) for storing grains obtained by threshing by the threshing device (8). The grain tank (9) is located above the threshing device (8) and supported by a machine body securing part swingably and vertically movably around a horizontal axis by the operation of a hydraulic cylinder (41). The combine is further provided with an interlocking operation mechanism (R) capable of opening a threshing chamber of the threshing device (8) with the rise and swing of the grain tank (9).

Description

Combine and threshing device mounted on it

The present invention relates to a combine and a threshing apparatus mounted on the combine.

[1] The combine is provided with a threshing device for threshing the harvested cereal and a grain tank for storing the grain obtained by threshing with the threshing device. Some are provided above the device.
In such a conventional combine, a grain tank provided in a state located above the threshing device is supported by the machine body so as to be rotatable around a horizontal axis, and is inclined to discharge the grain by a hydraulic cylinder. There was one that was configured to be freely switchable between a rising posture for raising and a lowering posture for storing grains. And the top plate part which covers the upper part of the handling chamber in a threshing apparatus was comprised so that it might be opened manually in the state which switched the grain tank to the raising posture (for example, refer to patent documents 1).

[2] In the threshing device, a handling chamber for handling and processing crops by a rotationally driven handling cylinder and a receiving net, and a swing for performing a sorting process while transferring the processed material leaked downward from the receiving net Some are equipped with a sorting device.
In such a conventional threshing device, the oscillating sorting device includes a glen pan located on the start end side in the transfer direction, a sieve line located on the lower side in the transfer direction of the gren pan, And a chaff sheave extending from the lower portion toward the lower side in the transfer direction. The sieving line is formed in a substantially wave shape in a side view and has a processed product transfer function, and is cantilevered on the lower side in the transfer direction in a state where it partially overlaps the upper side of the chaff sheave from the lower end in the transfer direction of the Glen pan. (For example, refer to Patent Document 2).

[3] In the combine, the threshing device for threshing the crop supplied from the cutting part at the front of the machine body is oscillated by the oscillating drive unit located below the handling room, There is a thing provided with the rocking sorter which separates into a grain and other processed materials, receiving the threshing processed material leaked from the room, and carrying out rocking transfer.
In such a conventional combine, the swing drive unit for driving the swing sorting device is configured as follows.
That is, the rotating shaft that rotates around the lateral axis is supported by the side wall of the threshing device, and the swing sorting device is driven to swing by the eccentric cam type swinging drive unit that is driven by the rotating shaft. The swing sorting device is pivotally connected to a swing arm supported swingably on a fixed portion, and the swing arm and the swing drive portion are connected by a lateral connecting shaft to drive swing. There is a structure that is driven to swing at the part. When the swing sorting device is attached to or detached from the threshing device, the horizontal connection shaft is removed to release the connection between the swing drive unit and the swing arm, or the connection shaft is inserted to the swing drive unit. And the swing arm are connected (for example, see Patent Document 3).

JP 2014-018104 A (JP 2014-018104 A) JP 2014-014330 A (JP 2014-014330 A) JP 7-298765 A (JP H07-298765 A)

[1] Issues corresponding to the background art [1] are as follows.
In the above-described conventional configuration, for example, when a processed material is clogged and stays inside the threshing device during a harvesting operation, the top plate of the threshing device is manually switched after the grain tank is switched to the rising position. It is necessary to perform inspection by switching the part to the raised position and opening the chamber. The top plate portion of the threshing device is formed of a thick metal plate so that it will not be worn out and damaged early due to contact with the processed material accompanying the handling treatment by the handling cylinder. As a result, the weight of the top plate is increased, and the manual operation for opening the top plate is heavy.

And conventionally, in order to reduce the weight burden of the top plate part, for example, a gas damper is provided to assist the raising operation. However, in a large threshing device, only one gas damper is used. The assistance was not sufficient, and the labor was burdened on the workers. Although it is conceivable to use a plurality of gas dampers, there is a disadvantage that the number of parts increases and the cost increases.

Therefore, it has been desired to make it easy to check the threshing device without incurring high costs.

[2] Issues corresponding to the background art [2] are as follows.
The above-mentioned conventional configuration is provided with a sieving wire in which a plurality of wires are extended in a cantilevered manner, so that the processed material leaked from the handling chamber is subjected to a specific gravity difference sorting by the sieving wire, and the grain is transferred while the straw scraps are transferred backward. A sorting process is performed in which the second item such as a grain or a grain with a branch leaks downward. This reduces the processing burden on the chaff sheave and prevents the loss of a large amount of grain that is discharged from the rear while a processed product containing a large amount of grain is loaded on the chaff sheave.

However, in the above conventional configuration, crops are handled and processed by a handling cylinder that is rotationally driven in the handling chamber, but the receiving net is provided only in the lower half of the outer periphery of the handling cylinder. In such a configuration, at the upper side in the rotational direction of the handling cylinder in the receiving net, the work carried around by the handling cylinder along the upper half-peripheral portion leaks all at once, and therefore the lower part in the rotational direction. Compared to this, a large amount of processed material leaks.

As a result, the processed material leaking from the handling chamber leaks in a state of being offset on the swing sorting device, and a large amount is present at one end side portion in the lateral width direction corresponding to the upper side portion in the rotational direction of the handling cylinder. The processed material is present and the layer thickness becomes large, and the other side portion becomes a small amount and the layer thickness becomes small, resulting in a non-uniform state.

The sieve line and chaff sheave cause the second product such as the grain and the grain with branches to leak downward while transferring the processed material backward, but the layer thickness is not uniform along the width direction as described above. In such a situation, even if the amount of processed material supplied to the threshing apparatus is an appropriate amount of processed material as a whole, in the place where the layer thickness of the processed material is large, a large amount of processed material is loaded on the chaff sheave. It will be discharged, and there is a high risk that a large amount of grain will be discharged and lost.

By the way, if it is the structure which does not use a sieving line, it is possible to provide a leveling plate in order to level the processed material in the width direction on the upper side of the Glen pan, but the Glen pan moves the entire amount of the processed material backward. And the processing burden of the chaff sheave was large.

Therefore, while reducing the processing burden on the chaff sheave using a sieving line, the amount of processed material can be leveled on the rocking sorter so that a large amount of grain is discharged and lost. It was hoped that.

[3] Issues corresponding to the background art [3] are as follows.
In the above-described conventional configuration, when attaching and detaching the swing sorting device, it is necessary to remove or attach the horizontal connecting shaft, which makes it difficult to perform the attaching operation and the removing operation. That is, when the swing sorting device is taken out, it is necessary to pull out the connecting shaft sideways while supporting the weight of the swing sorting device by hand, which has the disadvantage of increasing the labor burden on the operator. Similarly, when the swing sorting device is mounted, the swing drive unit and the swing arm must be aligned while supporting the weight of the rear side of the swing sorting device by hand. The burden on the workers was increasing.

In order to eliminate the above disadvantages, the following improved configuration has been considered.
In the connecting portion connecting the swing sorting device and the swing drive unit, the swing sorting device is separated into both sides with the eccentric shaft portion sandwiched at the pivot connecting portion with respect to the rotating eccentric shaft portion. It is the structure provided with the 1st connection member connected integrally, and the 2nd connection member connected with the 1st connection member so that attachment or detachment is possible in the state where the eccentric shaft part was inserted.

In this improved configuration, the weight can be borne by temporarily supporting the first connecting member on the eccentric shaft portion in a state where the connection is released, and the labor load is reduced at the time of attaching / detaching the swing sorting device. It is possible. However, this configuration still has the following disadvantages.

The first connecting member and the second connecting member are separated on both sides with the eccentric shaft portion interposed therebetween, and the first connecting member and the second connecting member separated on both sides with the eccentric shaft portion sandwiched are provided. Because it is manufactured as a separate body, a slight step is formed in a part in the circumferential direction at the location where the eccentric shaft is sandwiched due to errors in assembly when the two are connected. Then, there is a risk that rattling may occur with the rotation motion. As a result, there is a disadvantage that as the use is continued, the rattled portion is damaged at an early stage and the durability is lowered.

Therefore, there has been a demand for a combine capable of reducing the labor load during the attaching / detaching operation of the swing sorting device while improving the durability.

[1] The means for solving the problem [1] is as follows.
The characteristic configuration of the combine according to the present invention is as follows:
A threshing device for threshing the harvested cereal, and a grain tank for storing the grain obtained by threshing in the threshing device,
The grain tank is located above the threshing device, and is supported by the body fixing part so as to be swingable up and down around the horizontal axis by the operation of an actuator.
An interlocking operation mechanism is provided that opens the chamber of the threshing device as the grain tank rises and swings.

According to the present invention, the grain tank positioned above the threshing device can be swung up and down around the horizontal axis by the operating force of the actuator. When the grain tank is lifted and swung by the operation of the actuator, the handling room of the threshing device is opened by the operation of the interlocking operation mechanism in conjunction therewith.

That is, it is possible to open the handling room of the threshing device by using the operating force of the actuator provided for swinging the heavy-weight grain tank up and down, and by the operator for opening the handling room Annoying manual operation is unnecessary.

A special auxiliary mechanism that assists manual operation to open the handling chamber is not required, and the interlocking operation mechanism can be handled with a simple configuration that only links the grain tank and the member that covers the handling chamber. In other words, the threshing apparatus can be easily inspected without any trouble by improving the structure by simply adding a simple configuration.

Therefore, it has become possible to provide a combine that can facilitate the inspection work of the threshing device without incurring high costs.

In the present invention, it is preferable that the interlock operation mechanism switches the handling chamber to a closed state as the grain tank descends and swings.

According to this configuration, when the grain tank is lowered and swung from the state where the grain tank is lifted and swung by the operation of the actuator, the handling chamber is switched to a closed state in conjunction therewith. That is, not only the opening operation of the handling room accompanying the raising operation of the grain tank but also the closing operation of the handling room accompanying the lowering operation of the grain tank can be performed in conjunction with each other, and the troublesomeness of the inspection work is further reduced. Can be a thing.

In the present invention,
A top plate part that covers the upper part of the handling chamber and is switchable between a closed state that closes the handling chamber and an open state that opens the handling chamber is provided,
It is preferable that the interlocking operation mechanism includes a connecting part capable of interlockingly connecting the top plate part and the grain tank.

According to this configuration, when the grain tank is moved up and down by the operation of the actuator, the top plate part interlocked with the grain tank is switched from the closed state to the open state via the connecting part. .

The top plate covers the upper part of the handling room, and can open and close the handling room by an upward and downward movement corresponding to the up-and-down swing of the grain tank. In other words, the connecting portion can be handled with a simple structure that only interlocks those operated in substantially the same direction.

In the present invention,
The top plate portion is supported by the body fixing portion so as to be swingable and openable around a swing axis parallel to the horizontal axis.
It is preferable that the connecting portion is capable of interlockingly connecting a portion of the grain tank opposite to the horizontal axis and a portion of the top plate opposite to the swing axis.

According to this configuration, the top plate part and the grain tank can be swingably opened and closed around a parallel axis, and each swinging end side part can be linked and connected at the connecting part. It is. That is, both swing around a parallel axis, and the structure of the interlocking operation mechanism is simplified, and a smooth interlocking operation without twisting is possible.

In the present invention, it is preferable that the connecting portion is connectable to a swinging side end portion of the top plate portion opposite to the swinging shaft core.

According to this configuration, since the connecting portion can be connected to the swing side end of the top plate portion, when the top plate portion swings up and down in conjunction with the upward swing of the grain tank, The applied load is less than that when connecting to a position close to the pivot axis, and the load is reduced accordingly.

Therefore, it is possible to further simplify the structure of the connecting portion by reducing the load applied to the connecting portion.

In the present invention, it is preferable that the connecting portion is connectable to a central portion in the swing axis direction of the top plate portion.

According to this configuration, the connecting portion can be connected to the central portion in the swing axis direction in the top plate portion, that is, the central portion of the lateral width along the axial direction in the position on the swing end side. Even if the portions are simply connected, the swing operation can be favorably performed without breaking the balance.

Therefore, it is possible to operate the grain tank and the top plate in a favorable interlocking manner while simplifying the structure of the connecting portion.

In the present invention, it is preferable that the connecting portion is connectable to a bottom frame provided at a bottom portion of the grain tank.

According to this configuration, a bottom frame having a high support strength is provided at the bottom of the grain tank in order to store a large amount of grain, and the connecting portion can be connected using this bottom frame. That is, since it is connected to the bottom frame having a high support strength, there is little risk of the grain tank being damaged by the operation of the actuator, and a stable swinging operation can be performed over a long period of time.

In the present invention, it is preferable that the connecting portion is provided with an accommodation for shifting the rising start timing of the grain tank and the rising start timing of the top plate portion.

According to this configuration, when the actuator starts an ascending operation in order to swing the grain tank up, the actuator starts the ascending operation, and then reaches the ascending start timing of the grain tank during the ascending operation. From that timing, the grain tank starts to swing upward. Thereafter, when the actuator continues the ascending operation and reaches the ascending start timing of the top plate part, the grain tank starts the ascending operation from that timing.

In other words, the top plate starts to rise after the grain tank rises and swings by a predetermined amount in accordance with the operation of the actuator. Therefore, the grain tank and the top plate are spaced appropriately along the vertical direction. Can be linked and operated.

As a result, for example, when performing the upward swinging operation of the grain tank and the upward operation for opening the top plate portion at the same time, there is no disadvantage such as inhibiting the operation due to the interference of both. It becomes easy to perform a good operation.

In the present invention,
The connecting portion has a first arm whose one end is rotatably supported by the grain tank, and one end is rotatably supported by the top plate portion, and the other end is the first arm. A second arm rotatably connected to the other end of the
The first arm and the second arm are configured to be folded in the lowered state of the grain tank, and the first arm and the second arm according to the upward swing of the grain tank. It is preferable that the top plate portion is configured to start rising after being extended from the folded state.

According to this configuration, when the grain tank is located on the lower side and the top plate portion is in the closed state, the first arm and the second arm are stored in a folded state, and the grain tank is When the ascent is started, the first arm and the second arm extend from the folded state. At this time, only the postures of the first arm and the second arm change, and the top plate does not rise. After the first arm and the second arm extend along with the rise of the grain tank, the posture does not change any more, so the top plate rises in conjunction with the rise of the grain tank.

Until the first arm and the second arm extend from the folded state, the rising start timing of the grain tank is shifted from the rising start timing of the top plate, and such a first arm and a second arm. Thus, the flexibility for shifting the timing is configured.

Therefore, the grain tank and the top plate portion can be linked and connected in a state where the rising start timing is shifted at the connecting portion having a simple configuration in which the two arms are pivotally connected.

In the present invention, when the first arm and the second arm are extended from the folded state, the connecting portion is in an extended state in which the first arm and the second arm are aligned in a straight line. It is preferable that a rotation restricting portion for restricting the relative rotation is provided.

According to this configuration, when the first arm and the second arm extend from the folded state, the rotation restricting portion restricts the first arm and the second arm from being aligned in a straight line. . That is, when extended, the first arm and the second arm are not arranged in a straight line, but the posture is regulated slightly before being arranged in a straight line.

As a result, when returning from the extended state to the folded state, it is possible to avoid the first arm and the second arm from being refracted in the opposite direction to the previous folded state, and smoothly return to the original state. Can be returned to.

[2] The means for solving the problem [2] is as follows.
The characteristic configuration of the threshing apparatus according to the present invention is as follows:
A handling cylinder that is rotationally driven to handle and process the crop, a receiving net provided below the handling cylinder, and an oscillating sorting device that performs a sorting process while transporting the processed material leaked downward from the receiving net. Provided,
The swing sorting device includes a grain pan located on a transfer direction start end side, a sieve line located on a lower side of the grain pan in the transfer direction, and a chaff sheave extending from a lower side portion of the sieve line toward a lower side in the transfer direction. Provided,
A guide plate is provided on the upper side of the chaff sheave to move and guide the workpiece to be oscillated and transferred on the chaff sheave from the upper side to the lower side in the barrel rotation direction in the width direction of the chaff sheave.

According to the present invention, since the sieve wire is provided on the lower side of the transfer direction of the grain pan, the processed product transferred by the grain pan and the processed product leaked directly from the receiving net are sorted by the specific gravity difference by the sieve line, and the waste dust is removed. Since it is possible to perform a sorting process in which the second thing such as the grain and the grain with a branch leaks downward while being transferred backward, the processing burden on the chaff sheave can be reduced.

Then, a guide plate is provided on the upper side of the chaff sheave, and the workpiece to be oscillated and transferred on the chaff sheave is guided to move from the upper side to the lower side in the barrel rotation direction in the width direction of the chaff sheave. The processed material leaked from the receiving net on the swing sorting device is leveled in the horizontal width direction by the guide action of the guide plate, and the layer thickness of the processed material is leveled along the horizontal width direction. It will be.

Therefore, while reducing the processing burden on the chaff sheave using the sieving line, the amount of processed material can be leveled on the rocking sorter so that a large amount of grain is discharged and lost. A threshing device that can be used is now provided.

In the present invention, it is preferable that the guide plate is supported by a side plate of a sheave case on which the chaff sheave is supported.

According to this configuration, the sheave case is formed in a frame shape, and a chaff sheave and other grain pans, sieve lines, and the like are provided therein, and the processed material is selected by swinging the sheave case. Will be.

In other words, the sheave case is provided with a strong structure for supporting the entire swing sorting device and swinging integrally, and stably supports the guide plate using such a strong member. be able to.

In the present invention, it is preferable that the guide plate is provided at a position corresponding to the lower side of the chaff sheave in the transfer direction.

According to this configuration, since the guide plate extends to a position corresponding to the lower side position in the transfer direction of the chaff sheave, it effectively acts on the processed material transferred on the chaff sheave, and the processed material is leveled in the lateral width direction. The layer thickness of the processed material is leveled.

In the present invention, it is preferable that the guide plate extends on the lower side in the transfer direction from a position corresponding to the lower side in the transfer direction on the sieve line.

According to this configuration, even if the processed material transferred by the sieving wire falls downward and the processed material may be deposited in a shifted state along the width direction on the lower side, By the guide plate extending from the lower side to the lower side in the transfer direction, the processed material transferred on the chaff sheave is leveled in the horizontal width direction, so that the layer thickness of the processed material is leveled.

In the present invention, it is preferable that the guide plate extends to the lower side in the transfer direction from a portion corresponding to the end portion in the transfer direction of the sieve line.

From the end of the sieving line in the transfer direction, the processed material placed and transferred without leaking downward by the sieving line falls down all at once, so that a large amount of processed material accumulates at the location corresponding to the terminal part. There is a fear. However, in this configuration, the guide plate extends from the position corresponding to the end portion of the sieving line in the transfer direction to the lower side in the transfer direction. Therefore, even if the processed material falls down at a stroke as described above, the guide plate is effective. Thus, the processed product is leveled in the width direction, and the layer thickness of the processed product is leveled.

In the present invention, it is preferable that a stroller is provided on the lower side in the transfer direction of the chaff sheave, and a lower side in the transfer direction of the guide plate is supported by the stroller.

According to the present configuration, the processed material that has been transferred by the chaff sheave and has not leaked is further oscillated and transferred by the Strollac provided on the lower side in the transfer direction, and the second item such as a grain or a grain with a branch. Leakage screening is performed. And the lower side location of the guide plate in the transfer direction is supported by effectively utilizing the configuration of this Strollac.

Therefore, the guide plate can be supported by a simple support structure by effectively using the members provided for the sorting process.

In the present invention, the Strollac is installed and supported across the left and right side plates of the sheave case on which the chaff sheave is supported,
It is preferable that the guide plate is supported by the left and right central portions of the Strollac.

According to this configuration, the left and right sides of the stroller are stably supported and supported by the side plates of the sheave case, and the lower side of the guide plate in the transport direction is stably supported by the left and right center portions of the stroller.

The lower side of the guide plate in the transfer direction is located at the center in the left and right direction of the sheave case, and the guide plate is processed in the left and right half of the area corresponding to the upper side of the receiving barrel in the rotational direction of the handling cylinder. Apply a leveling action to objects.

In other words, at the upper side in the rotational direction of the handling cylinder where a large amount of processed material leaks compared to the lower side in the rotational direction, the processed material transported on the chaff sheave is leveled in the horizontal width direction and the processed material is spread over the entire width in the left-right direction. The layer thickness can be leveled.

In the present invention, there is a tang for supplying the sorting wind to the swing sorting device,
It is preferable that an air passage that guides the selection air from the tang to pass through the lower side of the sieve line and the upper side in the transfer direction of the guide plate is formed.

According to this configuration, since the sorting air from the tang passes through the lower portion of the sieving line and the upper side of the guide plate in the transfer direction, the sorting wind acts on the processed material transferred by the sieving wire. In addition, it is possible to transfer to the chaff sheave as much as possible with the processed material in which the straw scraps and grains with branches are mixed together and formed into a lump, and the processing burden on the chaff sheave can be further reduced. .

In the present invention, the sieving wire is composed of a plurality of linear members extending in a cantilever shape,
As a plurality of linear members, a plurality of first linear members having a high free end portion height and a plurality of second linear members having a free end portion height lower than the first linear member are provided. It is preferable that

According to this configuration, as the plurality of linear members constituting the sieving line, the first linear member and the second linear member having different free end heights are provided, and therefore all have the same height. Compared with the case where the workpieces are lined up with each other, the drop distance of the processed object is increased by the level difference due to the swinging motion, and the processed object is easily disassembled.

In the present invention, it is preferable that the sieving line is formed in a substantially wave shape in a side view. *

In addition to swinging the sheave case, the sieving line exhibits the action of unraveling the processed material while vibrating up and down, but in this configuration, the sieving line is formed in a substantially wave shape in a side view, Since it has a function of transferring the processing object placed by the swinging motion of the sheave case to the lower side in the transfer direction, it is possible to avoid the processing object from staying in a stacked state above the sieve line.

[3] The means for solving the problem [3] is as follows.
The characteristic configuration of the combine according to the present invention is as follows:
A threshing device for threshing a crop supplied from a cutting part at the front of the machine body is swayed by a swaying drive unit located below the handling room, and the threshing processed product leaked from the handling room It is equipped with a rocking sorting device that separates into grains and other processed materials while receiving and rocking and transferring,
The swing drive unit is
A rotating shaft that rotates around a lateral axis, and an eccentric drive shaft having an eccentric shaft that is eccentric with respect to the rotating shaft;
A connecting member extending from the swing sorting device;
A bearing holder that is extrapolated relative to the eccentric shaft portion via a bearing, and that can be connected to and disconnected from the connecting member;
The bearing holder includes a mounting support portion that can mount and support the connecting member.

According to the present invention, when the swing sorting device is attached or detached, it can be dealt with by releasing the connection between the connecting member and the bearing holder or connecting them. Then, when performing such connection work or connection release work, the connection member is placed and supported by the placement support portion provided in the bearing holder, so that a part of the weight of the swing sorting device is borne. You can work in the state. That is, it is possible to perform the attaching / detaching operation of the swing sorting device with a small labor load.

The bearing holder is inserted into the eccentric shaft portion so as to be relatively rotatable via a bearing, and the portions where the eccentric shaft portion is inserted are formed in a series in a circumferential direction. Can do. That is, since it can be processed and formed with good precision over the entire circumference, there is little risk that a slight step will be formed in a part of the circumferential direction and rattling will occur with the rotational movement. Thus, the swing sorting device can be driven to swing satisfactorily.

Therefore, it has become possible to provide a combine capable of reducing the labor load during the attaching / detaching operation of the swing sorting device while improving the durability.

In the present invention, the bearing holder includes, as the mounting support portion, a holder-side flange portion that protrudes radially outward from a cylindrical holding portion that surrounds the outer periphery of the bearing,
The connecting member includes a connecting member side flange portion corresponding to the holder side flange portion,
It is preferable that the holder side flange portion and the connecting member side flange portion are bolt-connected.

According to this configuration, when connecting the connecting member and the bearing holder, the connecting member can be supported in a state where the connecting member side flange portion is placed on the holder side flange portion. And they can be bolt-connected in a state where both flange portions overlap each other.

Also, when releasing the connection between the connecting member and the bearing holder, the bolt connection between the flanges of both is released. Even if the bolt connection is released, the flange portion on the connection member side is placed on the flange portion on the holder side, and the connection member can be supported.

Therefore, by using the flange portion as the mounting support portion also as the connecting member, it becomes easy to perform the connecting operation and the connecting releasing operation of the connecting member and the bearing holder.

In the present invention, it is preferable that a fitting engagement portion for alignment is formed between the bearing holder and the connecting member.

According to this configuration, the fitting engagement portion formed between the bearing holder and the connection member when the connection member that has been released from the connection is placed and supported on the placement support portion of the bearing holder. Can be aligned so that their relative positions are in an appropriate state.

Therefore, when connecting the connecting member and the bearing holder, it is possible to accurately position the bearing holder inserted on the eccentric swing shaft at an appropriate connecting position with respect to the connecting member. Is easy to do.

In the present invention, it is preferable that a plurality of the mounting support portions described above are provided at different positions in the circumferential direction of the bearing holder.

According to this configuration, the bearing holder can place and support the connecting member in any of the plurality of placement support portions provided with different positions in the circumferential direction. That is, the bearing holder rotates around the axis of the eccentric shaft portion and is supported by being mounted on any one of the plurality of mounting support portions regardless of the phase relative to the connecting member. Can do. As a result, there is no inconvenience such as mounting the bearing holder in accordance with a specific rotational phase.

As a result, when the swing sorter is placed on and supported by the bearing holder, there is no need for troublesome work such as adjusting the bearing holder to a specific rotational phase while supporting the load of the swing sorter. It becomes easy.

In the present invention, in the bearing holder, it is preferable that the cylindrical holding portion surrounding the outer periphery of the bearing is formed as an integrally molded product.

According to this configuration, since the cylindrical holding portion surrounding the outer periphery of the bearing is created by an integrally molded product, a smooth circular inner peripheral surface can be obtained by processing the integrally molded product with high accuracy over the entire circumference. It is possible to form. As a result, the portion where the eccentric shaft portion is rotatably held by the bearing holder can cause a smooth swinging motion to appear along with the rotating motion.

Therefore, it is possible to make a smooth swinging motion appear with the rotational motion of the eccentric shaft portion, and the swing sorting device can be driven to swing well over a long period of time.

In the present invention,
A shredding device for shredding the discharged matter after the threshing process is provided at the rear of the threshing device,
The power of the engine is transmitted from the drive shaft to which the power of the engine is transmitted to the rotation shaft of the shredding device via the relay transmission shaft,
It is preferable that the belt transmission mechanism that links the relay transmission shaft and the rotation shaft is constituted by a plurality of parallel transmission belts.

According to this configuration, the effluent after being threshed by the threshing device is shredded by the shredding device and discharged outside the machine. Since the shredding device needs to rotate at a high speed to shred the waste such as straw scraps, in the belt transmission mechanism, the pulley on the output shaft side is set to a small diameter in order to increase the rotational power. There is a need.

In this way, when the pulley on the output shaft side is set to have a small diameter and is driven to rotate at a high speed, the transmission belt may slip. In this configuration, power is transmitted from the relay transmission shaft to the output shaft via a plurality of transmission belts. It is possible to drive in a high-speed rotation state while avoiding slip.

In the present invention, the relay transmission shaft side driven pulley to which the power from the drive shaft is transmitted and the relay transmission shaft side drive pulley to transmit the power to the rotary shaft are integrally formed. It is preferable that it is composed of a transmission rotating body.

According to this configuration, since the driven pulley and the driving pulley provided in the relay transmission shaft are configured by one transmission rotating body, compared to the case where these pulleys are formed separately, Costs for manufacturing and assembly to the apparatus are reduced, and costs can be reduced.

In the present invention, it is preferable that the drive shaft is a rotary shaft of a red pepper provided in the threshing apparatus.

れば According to this configuration, the engine power is transmitted to the rotary shaft of the carp, and the carp is driven to rotate. Then, power is transmitted from the rotary shaft of the red pepper to the shredding device via the belt transmission device, and the shredding device is driven to rotate.

Karatsu is driven to rotate at a higher speed than other devices in the threshing device in order to generate a sorting wind. By effectively using the power of the rotary shaft of Karatsu, which rotates at high speed in this way, it is possible to drive the shredding device at high speed with a simple transmission mechanism without increasing the speed increase ratio more than necessary. It becomes.

Other characteristic configurations and advantageous effects to be obtained will be apparent from the following description with reference to the drawings.
In the following description, when the left-right direction is defined, it is defined as the left side or the right side in the aircraft traveling direction view.

It is a figure which shows 1st Embodiment (hereinafter, it is the same also in FIG. 9), and is the whole side view of the normal type combine as an example of a combine. It is a whole top view of a normal combine. It is a partially cutaway rear view of a normal combine. It is a rear view which shows the support structure of a threshing apparatus and a grain tank. It is a rear view of the state which switched the grain tank to the raise discharge posture. It is a rear view which shows the action state of an interlocking operation mechanism. It is a disassembled perspective view of an interlocking operation mechanism. It is a perspective view which shows the linkage state of an interlocking operation mechanism. It is a perspective view which shows the cooperation cancellation | release state of an interlocking operation mechanism. It is a figure which shows 2nd Embodiment (it is hereafter the same as FIG. 20), and is a whole longitudinal cross-sectional side view of a threshing apparatus. It is a vertical side view of the upper side in the transfer direction of the swing sorting device. It is a vertical side view of the lower side in the transfer direction of the swing sorting device. It is a vertical side view of the intermediate part in the transfer direction of the swing sorting device. It is a top view of a rocking sorter. It is a top view of the transfer direction upper side of a rocking sorter. It is a top view of the transfer direction lower side of a rocking sorter. It is a longitudinal front view of a chaff sheave. It is a partial perspective view of the 1st sieve line and the 2nd sieve line. It is a side view which shows the transmission structure to a shredding apparatus. It is a top view which shows the transmission structure to a shredding apparatus. It is a figure which shows 3rd Embodiment (following, it is the same also to FIG. 29), and is the whole side view of the normal type combine as an example of a combine. It is a whole top view of a normal combine. It is a transmission system diagram. It is a vertical side view of a threshing apparatus. It is a vertical side view of a rocking | swiveling drive part arrangement | positioning part. It is a vertical rear view of a rocking drive part. It is a side view which shows the connection state of a connection member and a bearing holder. It is a side view which shows the transmission structure to a shredding apparatus. It is a top view which shows the transmission structure to a shredding apparatus.

[First Embodiment]
First, the first embodiment will be described with reference to FIGS.
Below, the case where it applies to the normal type combine as an example of a combine is demonstrated.

〔overall structure〕
As shown in FIGS. 1 and 2, the ordinary combine includes a traveling machine body 3 including a pair of left and right front wheels 1 that cannot be steered and a pair of left and right rear wheels 2 that can be steered. At the front part of the traveling machine body 3, a cutting part 4 that cuts a crop and conveys it to the rear is supported by a cutting lift cylinder 5 so as to be driven up and down around a lateral fulcrum P1. Further, the traveling machine body 3 includes a driving unit 7 on which a driver covered by the cabin 6 is located on the front side, a threshing device 8 that performs a threshing process of crops harvested by the cutting unit 4, A grain tank 9 for storing grains obtained by the threshing process in the threshing device 8 is provided. At the lower rear side of the threshing device 8, there is provided a shredding device 12 for finely chopping the discharged matter (stalks and scraps) after the threshing process in the threshing device 8 and discharging it to the outside of the machine body.

The cutting unit 4 includes a clipper-type cutting blade 13 that cuts and harvests the crop stock, a cross feed auger 14 that collects the harvested crops in the center in the cutting width direction, and a tip side of the crop to be harvested. The rotary reel 15 is scraped toward the rear, and a feeder 16 that conveys the crops gathered in the center toward the threshing device 8 at the rear of the machine body.

The feeder 16 has a pair of left and right endless rotating chains 18 wound and stretched in a rectangular tube-shaped feeder case 17 in the front-rear direction, and extends in the circumferential direction in a state of being laid over the left and right endless rotating chains 18. The transport body 19 is provided at an appropriate interval, and the crop delivered from the lateral feed auger 14 by the transport body 19 is transported upward and rearward.

As shown in FIGS. 4 and 6, the threshing device 8 includes a handling cylinder 21 and a receiving net that are driven to rotate and handle crops on the upper side of the inner space surrounded by the left and right side walls 8 A and the top plate 20. 22, and a handling chamber 23 is formed for performing a handling process of the harvested cereal meal conveyed by the harvesting unit 4. Further, as shown in FIG. 1, at the lower part of the handling chamber 23, there is provided a sorting processing unit 24 that sorts the treated material leaking from the handling chamber 23 into grains, straw scraps and the like.

The grain selected by the sorting processing unit 24 is recovered by the first thing recovery unit 25, and the grain tank 9 located above the threshing device 8 via the conveyor 26 provided outside the threshing device. To be stored.

As shown in FIGS. 4 to 6, the top plate portion 20 has a right end portion that is capable of swinging and opening freely around the swing axis P2 along the longitudinal direction of the machine body via the pivot support portion 27. It is supported by a machine frame 28 as a machine body fixing portion provided on the upper side of one side wall 8A, and the swing end side portion of the top plate portion 20 is fixed to the upper end side portion of the other side wall 8A by a bolt. .

When performing the threshing operation, the top plate 20 is fixed in a closed state by tightening and fixing the swing end side portion with a plurality of bolts. On the other hand, when the cereal is clogged in the handling chamber 23 or when maintenance work such as repair and inspection of the handling cylinder 21 is performed, in order to open the handling chamber 23, the bolts are loosened and the top plate portion 20 is opened. Will be switched to.

(Grain tank)
The grain tank 9 will be described.
As shown in FIGS. 2 to 4, the grain tank 9 is provided above the threshing device 8 in a state of being located over the entire width or almost the entire width of the traveling machine body 3. The grain tank 9 is supported by a bottom frame 29 located at the bottom. Although the detailed structure is not shown, the bottom frame 29 is configured by combining a plurality of front and rear frames and a plurality of horizontal frames in a lattice shape, and has a strong support strength.

The grain tank 9 has a bottom surface portion 9A formed in a flat shape over substantially the entire surface, a rectangular peripheral wall portion 9B covering the front side, the rear side, the left side, and the right side, and an upper surface portion covering the storage space. 9C, and a grain storage space is formed in a region surrounded by the bottom surface portion 9A, the peripheral wall portion 9B, and the top surface portion 9C. 9 C of upper surface parts are the shapes where the center side bulges upwards in the front-back direction view.

A grain inlet 30 is formed on the front side of the peripheral wall 9B. The grains collected by the threshing device 8 are conveyed by the conveyer 26 and are put into the grain tank 9 through the grain inlet 30 and stored. In addition, a wide grain discharge port 31 is formed in the lower portion of the right side portion of the peripheral wall portion 9B over the entire width of the right side portion. And when storing a grain, the grain discharge port 31 is obstruct | occluded, and when discharging a grain, the shielding member 32 which protrudes outward is provided so that a grain can be discharged | emitted outside. Yes. As will be described later, the shielding member 32 is configured to change the posture in conjunction with the posture change of the grain tank 9.

The grain tank 9 is supported by a body frame 33 as a body fixing portion so as to be swingable up and down around a horizontal axis P3 along a longitudinal direction of the body parallel to the swing axis P2 of the top plate portion 20.
That is, as shown in FIGS. 2 to 5, the right end portion of the grain tank 9 is supported so as to be swingable up and down around the horizontal axis P3 via the shaft support portions 34 provided on both front and rear sides. The front and rear shaft support portions 34 are constituted by a support shaft 35 that is fixed to the grain tank 9 and that faces the front and rear of the machine body, and a bearing member 36 that is externally fitted to the support shaft 35 while allowing the rotation of the support shaft 35. Yes. The support shafts 35 of the front and rear shaft support portions 34 are fixed to the front end portion and the rear end portion of the connecting drum portion 37 provided at the right end portion of the grain tank 9.

4, a support frame 38 having a frame structure connected to the machine frame 33 and the machine frame 28 of the threshing device 8 is provided on the lateral side of the threshing device 8. The bearing members 36 of the front and rear shaft support portions 34 are supported by the upper frame 39 of the support frame 38.

In this way, the grain tank 9 is supported so as to be swingable up and down with respect to the traveling machine body 3 around the horizontal axis P3 of the front and rear support shafts 35 facing the machine body. The horizontal axis P3 is located below the bottom surface 9A of the grain tank 9 and is located above the handling cylinder axis P4 of the threshing device 8.

The operation part 40 is provided in a state supported by the bottom frame 29 at the center part in the front-rear direction of the grain tank 9 and below the right side of the center part in the left-right direction. The tank raising / lowering cylinder 41 serving as an actuator connected to the operated portion 40 and the support frame 38 is configured to swing the grain tank 9 about the horizontal axis P3 in the lowered storage posture and the raised discharge posture. Has been.

When the operated portion 40 is lowered by the tank lifting cylinder 41, the grain tank 9 is in a lowered storage posture in which the bottom surface portion 9A is in a substantially horizontal posture to store the grains as shown in FIG. . In this descending storage posture, the bottom surface portion 9A and the upper end of the top plate portion 20 of the threshing device 8 are in close proximity.

When the operated part 40 is pushed up by the tank lifting cylinder 41, the grain tank 9 is in an ascending discharge posture, which is an inclined posture in which the left side is located on the upper side and the right side is located on the lower side, as shown in FIG. Switch. In this ascending discharge posture, the stored grain is discharged from the grain discharge port 31 toward the right lateral outer side of the aircraft by natural outflow.

(Shielding member)
Next, the shielding member 32 will be described.
As shown in FIGS. 3 to 5, the shielding member 32 is swingable about the axis P5 facing the front and rear of the machine body at the lower end of the right lateral side where the grain outlet 31 of the grain tank 9 is formed. It is supported. The shielding member 32 is configured to be freely changeable between a retracted posture in which the grain outlet 31 is closed as shown in FIG. 4 and an open posture in which the grain outlet 31 is opened as shown in FIG. .

When the grain tank 9 is switched to the descending storage posture, the shielding member 32 is switched to the retracted posture, and when the grain tank 9 is switched to the rising discharge posture, the shielding member 32 is switched to the open posture. It is linked and linked.

That is, a bending / stretching link 42 is provided over each of the front and rear side portions of the shielding member 32 and the grain tank 9, and as the grain tank 9 is swung around the horizontal axis P3, the bending / stretching link 42 is interposed. In addition, an operation wire 43 for changing the posture of the shielding member 32 in conjunction with the shield member 32 is provided.

The bending link 42 includes a first link 42a on the grain tank side and a second link 42b on the shielding member side, and an end of the first link 42a is swingably connected to the grain tank 9, The end of the link 42b is swingably connected to the middle part of the shielding member 32 in the vertical direction.

As shown in FIG. 4, one end portion of the inner wire 43 A in the operation wire 43 is connected to the middle portion of the first link 42 a, and the other end portion of the inner wire 43 A is integrated with the bottom frame 29 of the grain tank 9. It is connected to the connected wire connector 44. Further, one end portion of the outer wire 43B in the operation wire 43 is supported by a receiver 45 provided on the lateral side portion of the grain tank 9, and the other end portion of the outer wire 43B extends upward from the upper frame 39. It is supported by a support 47 provided at the upper end of the vertical frame 46.

As shown in FIG. 4, when the grain tank 9 is switched to the lowered storage posture, the inner wire 43A is pulled, the first link 42a is swung toward the inward side, and the shielding member 32 is retracted. Switch to posture. Therefore, when the grain tank 9 is switched to the lowered storage posture, the grain outlet 31 is closed and the grain can be stored.

As shown in FIG. 5, when the grain tank 9 is switched to the upward discharge posture, the inner wire 43 A is loosened and the first link 42 a is swung outward by the weight of the shielding member 32 and the weight of the grain. Then, the shielding member 32 switches to the open posture. At this time, the shielding member 32 is held in a state substantially along the bottom surface 9 A of the grain tank 9 by the bending / extending link 42 in the extended state. As a result, the grain located inside the grain tank 9 smoothly flows and is discharged from the grain outlet 31 by natural flow.

When the grain tank 9 is in the descending storage posture, the grain is in a portion on the opposite side of the bottom surface portion 9A of the grain tank 9 from the side where the pivot support portion 34 is located and close to the pivot support portion 34. A plurality of leg frames 48 provided on the tank 9 side are in contact with the upper surface of the frame material 49 on the airframe side and are supported from below.

Further, the grain tank 9 extends upward from the top plate portion 20 of the threshing device 8 in a portion of the bottom surface portion 9A opposite to the side where the shaft support portion 34 is located and far from the shaft support portion 34. The bottom frame 29 is received and supported from below by a plurality of support frames 50 provided in a state.

[Interlocking operation mechanism]
An interlocking operation mechanism R is provided that can open the handling chamber 23 of the threshing device 8 as the grain tank 9 moves up and down. The interlock operation mechanism R includes a connecting portion 51 that interlocks and connects the top plate portion 20 that covers the upper portion of the handling chamber 23 and the grain tank 9.

As shown in FIGS. 1 and 2, one set of connecting portions 51 is provided in a state where the connecting portion 51 is positioned in the swing axis direction in the top plate portion 20, that is, in the center portion in the longitudinal direction of the machine body. As shown in FIGS. 3 to 6, the connecting portion 51 includes a first arm 52 whose one end is rotatably supported by the grain tank 9 and one end rotatably supported by the top plate portion 20. In addition, the other end is provided with a second arm 53 rotatably connected to the other end of the first arm 52.

As shown in FIGS. 6 to 8, one end of the first arm 52 is linked to a locking bolt 54 provided on the bottom frame 29 at a portion of the grain tank 9 opposite to the horizontal axis P3. Has been. The first arm 52 is formed with an insertion hole 55 that is externally inserted into the locking bolt 54, and the insertion hole 55 is formed as a long hole along the arm longitudinal direction. By comprising in this way, when the grain tank 9 and the 1st arm 52 from which a rocking | fluctuation fulcrum position differs rock | fluctuate interlockingly, it is made to operate | move smoothly in a state without dripping.

Further, the locking bolt 54 for linking the first arm 52 to the bottom frame 29 is inserted into the support bracket 56 fixed to the bottom frame 29 and fastened to the nut 57. The locking bolt 54 can be removed by releasing the fastening with the nut 57.

The one end portion of the second arm 53 is pivotally connected to the swing side end portion of the top plate portion 20 opposite to the swing axis P2. That is, the locking rod 58 extends upward from the rocking side end of the top plate portion 20, and the upper portion of the locking rod 58 is bent in an L shape to include a lateral portion 58 a. An insertion hole 59 formed in one end portion of the second arm 53 is externally inserted into the lateral portion 58a of the locking rod 58, and the second arm 53 is pivotally connected so as to be swingable.

The connecting portion 51 is configured such that the first arm 52 and the second arm 53 are folded when the grain tank 9 is lowered, and the first arm 52 is moved along with the upward swing of the grain tank 9. And the second arm 53 are extended from the folded state, and the top plate 20 starts to rise. In the folded state, the

arms

52 and 53 are held in a state of being placed along the inclined surface 20 a of the top plate part 20.

By comprising in this way, even if the grain tank 9 is rising until the 1st arm 52 and the 2nd arm 53 extend from a folding state, the top plate part 20 does not rise, The part 51 is provided with the accommodation which shifts the rising start timing of the grain tank 9 and the rising start timing of the top plate part 20.

Further, when the first arm 52 and the second arm 53 are extended from the folded state, the relative rotation of the first arm 52 and the second arm 53 is restricted before the first arm 52 and the second arm 53 are aligned. A rotation restricting portion 60 is provided.

That is, as shown in FIG. 7, the first arm 52 and the second arm 53 are each made of a band plate material, and are pivotally connected by the relay pin 61 in a state where the plate surfaces overlap each other. Then, an end edge portion on the other end side of the second arm 53 is bent backward in an L shape to form a rotation restricting portion 60. When the first arm 52 and the second arm 53 extend, the end surface of the first arm 52 comes into contact with the rotation restricting portion 60 as shown by the phantom lines in FIG. 5 and FIG. And the second arm 53 are configured to be restricted from extending in a straight line.

As shown in FIG. 6, the grain tank 9 reaches the first set angle α1 from the descending storage attitude as the grain tank 9 is switched from the descending storage attitude to the ascending discharge attitude by the operation of the tank lifting cylinder 41. The grain tank 9 is swung while the first arm 52 is swung around the axis of the relay pin 61 while the rocking tank 9 is swung up.

While the grain tank 9 rises and swings to the second set angle α2 beyond the first set angle α1, in addition to the swing of the grain tank 9 and the accompanying rise and swing of the first arm 52, The second arm 53 ascends and swings around the axis of the locking rod 58.

When the grain tank 9 rises and swings to the second set angle α2, the end face of the first arm 52 contacts the rotation restricting portion 60 formed on the second arm 53, and the first arm 52 and the second arm Further relative swing displacement with respect to 53 is restricted. Accordingly, when the grain tank 9 further rises and swings beyond the second set angle α2, the first end face of the first arm 52 is kept in contact with the rotation restricting portion 60 of the second arm 53 while maintaining the first state. The arm 52 and the second arm 53 integrally move up and swing, and the top panel 20 starts to swing up and down. Thereafter, as the grain tank 9 rises and swings, the top plate portion 20 rises and swings integrally.

The rising rocking angle of the top plate 20 is set to be larger than the rising rocking angle of the grain tank 9. For example, when the grain tank 9 rises and swings by about 40 degrees, the top plate 20 swings by about 45 degrees.

Then, when the grain tank 9 is lowered and swung by the tank lifting cylinder 41 from the state where the grain tank 9 is lifted and swung, the top plate portion 20 is swung downward along with the handling chamber 23. It is switched to the closed state that closes. After the top plate portion 20 is switched to the closed state in this way, the swing end side portion of the top plate portion 20 is fixed to the upper end portion of the side wall 8A by bolt fastening.

When the top / bottom plate 20 is not moved up and down accompanying the up / down swing operation of the grain tank 9, the locking bolt 54 is removed from the bottom frame 29, and the grain tank 9 and the top plate 20 by the connecting portion 51 are removed. Can be released.

When releasing the interlocking linkage state between the grain tank 9 and the top plate portion 20 by the connecting portion 51, the first arm 52 and the second arm 53 are connected to the top plate portion 20 using the locking bolt 54. It is possible to hold the position fixedly.

That is, as shown in FIGS. 8 and 9, the insertion holes 62, 63 are overlapped in the folded state with the middle part in the longitudinal direction of the first arm 52 and the middle part in the longitudinal direction of the second arm 53, respectively. Is formed. Further, the top plate portion 20 is provided with a support bracket 65 in which insertion holes 64 are formed at positions corresponding to the insertion holes 62 and 63 of the

arms

52 and 53 in the folded state. And the 1st arm 52 and the 2nd arm 53 can be fixed to the support bracket 65 in the fastening state using the locking bolt 54 removed from the bottom frame 29.

A space is provided at a pivot connection location between the first arm 52 and the second arm 53 by the relay pin 61 so that the position can be slightly changed in the direction in which the first arm 52 and the second arm 53 approach and separate from each other. It has become. In the folded state, the insertion hole 55 formed in the first arm 52 and the locking rod 58 are fitted to each other, and the first arm 52 and the second arm 53 can be held in an overlapping state. Yes.

[Another embodiment of the first embodiment]
(1) In the above embodiment, only one set of the connecting portions 51 is provided at the central portion in the swing axis direction of the top plate portion 20, but a plurality of connection portions 51 are provided at positions separated in the swing axis direction. It is good.

(2) In the above embodiment, the connecting portion 51 is connected to the swing side end of the top plate 20 opposite to the swing axis P2, but instead of the swing side end. Further, it may be configured to be connected to a position close to the swing axis P2 side.

(3) In the above embodiment, the connecting portion 51 is configured by a pair of arms (first arms) 52 and 52 to be pivotally connected. However, instead of such a configuration, for example, an operation is performed. Various linkage structures can be used, such as a configuration of interlocking linkage through a wire.

(4) In the said embodiment, although the connection part 51 showed what is connected with the bottom part frame 29 with which the bottom part of the grain tank 9 was equipped, it replaces with the bottom part frame 29 and is the bottom face part of the grain tank 9. It may be directly connected to 9A, and if it is a tank having a flange portion, it may be connected to the flange portion.

(5) In the above embodiment, the interlocking operation mechanism R includes the connecting portion 51 that raises and swings the top plate portion 20 of the threshing device 8 as the grain tank 9 swings and rises. Instead of such a configuration, the side wall 8A of the threshing device 8 is opened as the grain tank 9 swings up, or the entire covering portion of the handling chamber 23 including the top plate 20 and the side wall 8A is opened. You may make it make it.

(6) In the above embodiment, the tank elevating cylinder 41 composed of a hydraulic cylinder is used as an actuator, but other types of actuators such as an electric motor and a hydraulic motor may be used.

(7) In the above embodiment, the present invention is applied to an ordinary combine. However, the present invention can also be applied to a self-removing combine.

[Second Embodiment]
Next, a second embodiment will be described with reference to FIGS.
Below, the case where it applies to the threshing apparatus mounted in the normal type combine as an example of a combine is demonstrated.

As shown in FIG. 10, the threshing device is provided with a handling chamber 102 at the upper part in an internal space surrounded by left and right side walls (not shown) and the top plate 101, and a sorting unit 103 is provided below the handling chamber 102. Provided, the harvested cereal meal is transported by a feeder 104 provided on the front side of the machine body and supplied into the handling chamber 102 from an inlet 105 at the front end.

In the handling chamber 102, there is provided a handling cylinder 106 that is rotationally driven around a horizontal axis X1 to handle and process crops. The handling cylinder 106 includes a handling cylinder shaft 110 that is rotatably supported around the horizontal axis X1 across the front wall portion 108 and the rear wall portion 109, and rotates integrally with the handling shaft 110 as a center. It is configured. The barrel 110 is rotationally driven by power from an engine (not shown). The handling cylinder 106 is driven and rotated clockwise (clockwise) in the front view of the machine body.

A plurality of support plates 111 that are formed in a disc shape and are connected and fixed to the handle cylinder shaft 110 so as to be integrally rotatable are dispersedly arranged at equal intervals in the circumferential direction of the handle cylinder 106 and connected to each of the support plates 111. A plurality of support rods 112, and bar-shaped teeth 113 protruding from the plurality of locations aligned in the axial direction of the support rods 112 to the outer peripheral side of the treatment barrel 106 are provided.

The support rod 112 is made of a round pipe material. Further, the teeth 113 are made of a round bar, and are integrally connected and fixed by welding in a state where the support rod 112 is penetrated along the radial direction of the handle 106.

An arc-shaped receiving net 107 is provided on the lower half of the outer periphery of the handling cylinder 106. Although not described in detail, the receiving net 107 connects a large number of arc-shaped horizontal rails and a vertical rail along the axial direction connecting the horizontal rails to form a large number of passage holes for passing grains. It is comprised with the network of the known structure made. The top plate 101 of the handling chamber 102 is configured to transfer and guide the processed material toward the rear side (right side in FIG. 10) along the rotation axis of the handling cylinder 106 as the handling cylinder 106 rotates. A valve 115 is provided.

As shown in FIG. 10, the sorting unit 103 located below the handling chamber 102 includes a swing sorting device 116 that performs sorting processing while transferring a workpiece leaked downward from the receiving net 107, and a swing sorting device 116. A first-part recovery unit 117 that recovers the grain as the first thing that has leaked from the second, and a second-part recovery unit 118 that recovers the second thing such as a grain with a branch leaked from the swing sorting device 116; , And a tang 119 for supplying the sorting wind to the swing sorting device 116.

1st thing collection part 117 is constituted so that the collected grain may be conveyed laterally outward of the threshing device with a transverse feed screw 117a. And the grain collect | recovered in the first thing collection | recovery part 117 is stored in the grain tank which is not illustrated by the grain conveying apparatus which is not shown in figure, after being conveyed to the lateral side outward of a threshing apparatus.

The second thing collection part 118 is comprised so that the collected second thing may be conveyed to the lateral side outward of a threshing apparatus with the transverse feed screw 118a. And after the 2nd thing collect | recovered in the 2nd thing collection | recovery part 118 is conveyed laterally outward of the threshing apparatus, it is returned by the 2nd thing reduction | restoration apparatus 120 in the handling chamber 102, and is handled. .

As shown in FIG. 10, the swing sorting device 116 is such that a guide roller 121 provided at a front side portion is slidably guided along an inclined guide rail 122 provided on a side wall of the threshing device, and the rear lower portion A sheave case 124 having a rectangular frame shape in a plan view that swings back and forth by the operation of a crank-type swing drive unit 123 provided on the side is provided. The sheave case 124 includes a first gren pan 125, a second gren pan 126, a first sieving line 127, a second sieving line 128, a chaff sheave 129, a glenic sheave 130, a plurality of Strollacs 131, and the like.

As shown in FIG. 11 and FIG. 14, the first gren pan 125 is configured by a plate body that is formed in a substantially corrugated shape in a side view, and the upper end portion (front end portion) in the transfer direction of the processed material in the swing sorting device 116. The processed material leaked from the upper side in the transfer direction in the handling chamber 102 is transferred backward.

As shown in FIGS. 11 and 14, the first sieve line 127 is cantilevered from the lower end of the first grain pan 125 in the transfer direction toward the lower side of the transfer direction, and is sent out from the first grain pan 125. The grain and the second thing are allowed to leak downward while the processed product is transferred backward.

As shown in FIGS. 11 and 14, the second sieving line 128 is cantilevered from the lower side in the transfer direction of the first sieving line 127 toward the lower side in the transfer direction, and extends from the first sieving line 127. The grain and the second thing are caused to leak downward while the processed product to be sent is transferred backward.

The first sieving wire 127 and the second sieving wire 128 have substantially the same structure, and are composed of a plurality of linear members 134 that extend in a cantilever manner, and the plurality of linear members 134 have a height of the free end portion. A plurality of first linear members 134a having a high height and a plurality of second linear members 134b having a free end portion whose height is lower than that of the first linear member 134a are provided. Each linear member 134 is formed into a substantially wave shape when viewed from the side.

In addition, as shown in FIGS. 15 and 18, a pair of linear members 134 are formed by bending a wire made of a piano wire into a substantially U shape at an intermediate portion in the longitudinal direction, Two such sets of linear member assemblies 135 are arranged side by side in the horizontal direction.

The linear member assemblies 135 located at both ends in the left-right direction have the same interval as the set interval L between the linear members 134, and the proximal-side fixing in which the bent proximal-end portion extends in the left-right direction. It is fixed to the member 136. That is, it is fixed in a state where it is pressed by the presser plate 137 fixed integrally to the base end side fixing member 136.

The base end side fixing member 136 in the first sieving line 127 is bolted to the end of the first gren pan 125 and is bolted to a side support 138 connected to the side plate 124A of the sheave case 124. Further, the base end side fixing member 136 in the second sieving line 128 is bolted to the side support body 138.

The presser plate 137 is provided so as to extend over substantially the entire width in the left-right direction, and an arc-shaped protrusion 137a that covers the base end side portion of the linear member assembly 135 from above is formed, and the plate-like portion 137b is fixed to the base end side. In a state where it is applied to the upper surface of the member 136, an appropriate portion is fixed by welding. In this way, the linear member assembly 135 is extended and supported in a cantilever manner while maintaining the posture.

A plurality of sets of linear member assemblies 135 located in the middle other than those positioned at the left and right ends are substantially U in a state having an interval twice the set interval L between the linear members 134 in the assembled state. A pair of linear member assemblies 135 are formed by bending them into a letter shape. Then, a plurality of sets of linear member assemblies 135 located in the middle are overlapped with two sets of linear member assemblies 135 in a state where the linear members 134 are shifted by a half pitch with the set intervals L provided between them. In addition, the base end side portion is fixed in a state of being pressed by the presser plate 137. At this time, as shown in FIG. 18, one set of linear member assemblies 135 located on the upper side of the two sets of linear member assemblies 135 overlapped with each other is a set of linear shapes located on the lower side. Compared to the member assembly 135, the free end portion is provided in a state where the height is high.

Therefore, the linear member assembly 135 located at both right and left ends and the plurality of linear member assemblies 135 positioned below the two linear member assemblies 135 overlapped with each other are free ends. These linear members 134 are configured as a second linear member 134b. In addition, the plurality of linear member assemblies 135 located on the upper side of the two sets of linear member assemblies 135 are in a state where the height of the free end portion is higher than that of the second linear member 134b. These linear members 134 are configured as first linear members 134a.

Similar to the first Glen pan 125, the second Glen pan 126 is configured by a plate body that is formed in a substantially corrugated shape in a side view, and is located on the lower side and the lower side in the transfer direction of the first Glen pan 125. The processed product leaked from the lower side in the processed product transfer direction and the processed product leaked from the first sieve line 127 are transferred backward.

The chaff sheave 129 is located on the lower side in the transfer direction of the second gren pan 126, the processed material sent out from the second gren pan 126, the processed material leaked from the first sieve wire 127, and the receiving net 107 of the handling chamber 102. With respect to the leaked processed material, the grain and the second thing are allowed to leak downward while being oscillated and transferred.

As shown in FIG. 11 to FIG. 14, the chaff sheave 129 is configured by arranging a plurality of strip-shaped chaff flip plates 129A in the front-rear direction at intervals. Each char flip plate 129A is supported by a support plate 139 fixed to the sheave case 124 so as to be swingable around a swing support point P on the upper side. Then, lower portions of the plurality of char flip plates 129A are integrally connected by the operation plate 140, and the operation plate 140 is slid in the front-rear direction by an angle adjustment mechanism (not shown) to swing each of the char flip plates 129A. By changing the moving angle, the opening degree between the char flip plates 129A can be changed and adjusted (see the phantom line in FIG. 13).

As shown in FIG. 13, the grain sheave 130 is formed of a crimp net having a large number of grain passage openings, and is located on the lower side of the chaff sheave 129 and is supported over the left and right side plates 124 A of the sheave case 124. The side support member 141 and the rear side support member 142 are provided in a supported state. The grain sheave 130 allows the processed material leaked from the chaff sheave 129 to oscillate and transfer the grain to the first thing collection unit 117 below, and the second thing to collect the second thing on the lower side in the transfer direction. Transport to.

The Strollac 131 is provided on the lower side of the chaff sheave 129 in the transfer direction, and is provided in three sets with different positions in the vertical direction and the transfer direction. As shown in FIGS. 12, 14, and 16, each pair of Strollacs 131 has a rack support 143 erected and connected across the left and right side plates 124 A of the sheave case 124, and is spaced from the rack support 143 in the left-right direction. A plurality of rack plates 144 for transfer are fixed and extended in a cantilevered manner toward the rear. The transfer rack plate 144 is formed of a plate body formed in a sawtooth shape, and can receive and move the processed material backward.

The Strollac 131 having such a configuration is configured such that the second object is moved downward while the processing object supplied from the end of the handling chamber 102 in the transfer direction or the end of the chaff sheave 129 is oscillated backward. Processed items such as waste straws that have been leaked to the collection unit 118 and have not leaked are transferred to a shredding device 146 provided at the rear.

A transmission structure for the shredding device 146 will be described.
Engine power (not shown) is transmitted to the rotary shaft 162 of the carp 119. As shown in FIG. 19, a first drive pulley 164 is provided at the left end of the rotary shaft 162 of the carp 119, and the input provided to the relay shaft 166 from the first drive pulley 164 via the transmission belt 165. Power is transmitted to the pulley 167. The relay shaft 166 is provided with a transverse feed screw 117 a of the first thing collection unit 117, a transverse feed screw 118 a of the second thing collection unit 118, and a transfer output pulley 170 that supplies power to the swing drive unit 123. ing.

Power is transmitted from the output pulley 170 for transfer to the first object recovery unit 117 and the second object recovery unit 118 via the transfer transmission belt 175. A reversing pulley 176 for reversing the rotational power is provided in the middle of the transmission of the conveying power transmission belt 175, and a swing driving unit is connected from the reversing pulley 176 to the swing driving power transmission belt 177 and the input pulley 159. Power is transmitted to 123.

The rotary shaft 162 of the carp 119 is provided with a second drive pulley 178 integrally with the first drive pulley 164, and power is transmitted from the second drive pulley 178 to the shredding device 146. That is, as shown in FIG. 20, the first belt transmission mechanism 182 extends from the second drive pulley 178 provided on the rotary shaft 162 of the carp 119 to the driven pulley 181 provided on the relay transmission shaft 180 located in the front and rear intermediate portion. The power is transmitted via the second belt transmission mechanism 186 from the relay drive pulley 183 provided on the relay transmission shaft 180 to the driven pulley 185 provided on the rotary shaft 184 of the shredding device 146. Is done.

In order to perform the shredding process of the shredding device 146 well, it is necessary to transmit high-speed power to the shredding device 146. Therefore, the driven pulley 181 provided on the relay transmission shaft 180 is formed to have a smaller diameter than the second drive pulley 178, and the driven pulley 185 provided on the rotating shaft 184 is provided on the relay transmission shaft 180. The relay drive pulley 183 is formed with a small diameter. That is, the rotational power of the rotary shaft 162 of the red pepper 119 is increased and transmitted to the shredding device 146.

As shown in FIG. 20, the driven pulley 181 and the relay driving pulley 183 are constituted by a single transmission rotating body 187 integrally formed. With this configuration, the cost is reduced by reducing the number of parts and improving the assembly workability. Further, in order to increase the speed increase rate without making the second drive pulley 178 larger than necessary, the driven pulley 185 provided on the rotating shaft 184 is set as small as possible. And even if it is such a small diameter driven pulley 185, the 2nd belt transmission mechanism 186 which transmits power from the relay transmission shaft 180 to the rotating shaft 184 of the shredding device 146 is arranged in parallel so as not to slip. It consists of a transmission belt.

As shown in FIGS. 10 and 11, a first ventilation path Q 1 that guides the sorting air supplied from the red pepper 119 to the lower side of the chaff sheave 129 on the lower side of the swing sorting device 116, and the sorting air on the lower side of the grain sheave 130. A wind direction guide body 147 is provided that distributes and guides the second ventilation path Q 2 to the side and the third ventilation path Q 3 that guides the selected wind to the first object collection unit 117.

As shown in FIGS. 10 and 13, there is provided a guide plate 150 that is located on the upper side of the chaff sheave 129 and moves and guides the workpiece to be oscillated and transferred on the chaff sheave 129 in a direction crossing the transfer direction. The guide plate 150 is provided in a state of extending from the lower side of the transfer direction end portion of the second sieve line 128 to the lower side in the transfer direction.
As shown in FIG. 17, the guide plate 150 is configured by a plate body having a substantially L-shaped cross section, and the vertical surface portion 150 a forms a guide surface for guiding the processing object, and the cross-sectional shape is substantially L-shaped. By forming it, the strength is strengthened, and it is prevented from being damaged by being pushed by the processed material.

The upper side portion of the guide plate 150 in the transfer direction is supported by the left side plate 124A of the sheave case 124, and the lower side portion of the guide plate 150 in the transfer direction is supported by the left and right central portions of the stroller 131. That is, as shown in FIGS. 14, 15, and 16, the guide plate 150 has a side plate on the left side of the sheave case 124 at the upper end portion in the transfer direction at the lower side of the end portion in the transfer direction of the second sieve line 128. It is fixed to 124A by bolt connection. In addition, the lower end of the guide plate 150 in the transfer direction is fixed to the transfer rack plate 144 located at the left and right center of the Strollac 131 among the three sets of Strollac 131 by bolt connection. Has been.

That is, as the guide plate 150 is transferred from the lower side of the end portion of the second sieve line 128 in the transfer direction toward the lower side in the transfer direction on the upper side of the chaff sheave 129, It is configured to level the processed material on the chaff sheave 129 by moving and guiding the processed material in the left-right direction gradually from the lateral one side end corresponding to the upper side portion in the rotational direction toward the other side. .

As shown in FIGS. 10 and 11, a wind direction guide 151 is provided at an upper portion of the tang 119, and the wind direction guide 151 allows the selection wind from the tang 119 to be used for the first sieving line 127 and the second sieving line. A fourth ventilation path Q 4 that guides ventilation so as to pass through the lower part of the line 128 and the upper part of the guide plate 150 in the transfer direction is formed.

By comprising in this way, not only the processed material which the selection wind produced in the Kara 119 leaked the 1st sieve line 127 and the 2nd sieve line 128 but the 1st sieve line 127 and the 2nd sieve line It is possible to reduce the processing load on the chaff sheave 129 as much as possible by acting on the workpieces to be transferred on the 128.

[Another embodiment of the second embodiment]
(1) In the above embodiment, the first sieving line 127 and the second sieving line 128 are provided in a state of being aligned along the transfer direction, but may be configured by one sieving line.

(2) In the above embodiment, the upper side in the transfer direction of the guide plate 150 is supported by the side plate 124A of the sheave case 124, and the lower side in the transfer direction is supported by the stroller 131. The upper side of the guide plate 150 in the transfer direction may be supported by something other than the sheave case, for example, the chaff sheave 129, or the lower side of the guide plate 150 in the transfer direction may be supported by the sheave case 124. The support structure of the plate 150 can be implemented with various changes.

(3) In the above embodiment, as the sieving line, a plurality of first linear members 134a having a high free end portion height, and a plurality of first linear members 134a having a free end portion height lower than the first linear member 134a. The two linear members 134b are provided, but instead of this configuration, all the linear members may have the same height. Further, the sieving line may be formed in a straight line instead of being formed in a substantially waveform in a side view.

(4) In the above-described embodiment, the fourth ventilation path that guides ventilation so that the sorting air from the Kara 119 passes through the lower side of the

sieve lines

127 and 128 and the upper side of the guide plate 150 in the transfer direction. Although the configuration in which Q4 is formed is shown, a configuration in which such a fourth ventilation path Q4 is not formed may be employed.

(5) In the above-described embodiment, the threshing device provided in the ordinary combine is shown.

[Third Embodiment]
Next, a third embodiment will be described.
Hereinafter, a case where the present invention is applied to an ordinary combine that is an example of a combine will be described with reference to FIGS.

〔overall structure〕
As shown in FIGS. 21 and 22, the normal combine includes a traveling machine body 203 including a pair of left and right front wheels 201 that cannot be steered and a pair of left and right rear wheels 202 that can be steered. At the front part of the traveling machine body 203, a cutting unit 204 that cuts a crop and conveys it to the rear is supported by a cutting lift cylinder 205 so as to be driven up and down around a lateral fulcrum P 1. Further, the traveling machine body 203 includes a driving unit 207 that is located on the front side and on which a driver covered by the cabin 206 is boarded, a threshing device 208 that performs threshing processing of crops harvested by the cutting unit 204, and A grain tank 209 or the like for storing grains obtained by the threshing process by the threshing device 208 is provided. At the lower rear side of the threshing device 208, there is provided a shredding device 212 for finely chopping the discharged matter (stalks and scraps etc.) after the threshing processing in the threshing device 208 and discharging it to the outside of the machine body.

The cutting unit 204 includes a clipper-type cutting blade 213 that cuts and harvests a crop stock, a lateral feed auger 214 that collects the harvested crop in the center in the cutting width direction, and a tip side of the crop to be harvested. The rotary reel 215 is scraped toward the rear, and the feeder 216 is configured to convey the crops gathered in the center toward the threshing device 208 at the rear of the machine body.

In the feeder 216, a pair of left and right endless rotating chains 218 are wound and stretched in a rectangular tube-like feeder case 217 in the front-rear direction, and are laid over the left and right endless rotating chains 218 in the circumferential direction. A conveyance body 219 is provided in a state where it is provided with an appropriate interval along the line, and the crop delivered from the lateral feed auger 214 by the conveyance body 219 is conveyed rearward and upward.

[Threshing equipment]
Next, the threshing apparatus 208 will be described.
As shown in FIG. 24, the threshing device 208 is provided on the upper side of the internal space surrounded by the top plate 222 and the left and right side walls 208A (see FIG. 26) along the rotating handling drum 223 and the outer periphery thereof. And a handling chamber 225 for performing a handling process of the harvested cereal meal conveyed by the harvesting unit 204. In addition, a sorting processing unit 226 is provided at the lower part of the handling chamber 225 for sorting the treated material leaking from the handling chamber 225 into grains, straw scraps, and the like.

The sorting processing unit 226 receives the processed material leaked from the handling chamber 225 and collects the swinging sorting device 227 that performs sieve sorting by swinging motion, the potato 228 that generates the sorting wind, and the grain (first thing). The first thing collection part 229, the second thing collection part 230 etc. which collect second things, such as a grain with a branch, are provided.

The first screw 231 that transversally conveys the grain collected by the first thing recovery unit 229 toward the right outer side of the threshing device 208, and the grain conveyed to the right outer side by the first screw 231 upward. Slat conveyor type first grain conveying device 232 to be conveyed to the first and second screw conveyor type second grain to be conveyed further upward from the conveying end of the first grain conveying device 232 and supplied to the grain tank 209 A transport device 233 (see FIGS. 21 and 22) is provided.

Moreover, the 2nd thing collect | recovered in the 2nd thing collection | recovery part 230 was conveyed rightward outward by the 2nd screw 234 and the 2nd screw 234 which carry out lateral feed conveyance toward the right side outward of the threshing device 208. A second product reduction device 235 for returning the second product onto the swing sorting device 227 is provided.

The 1st grain conveyance apparatus 232 is provided in the diagonal attitude | position extended toward the front upper direction from the position corresponding to the screw 231 to the upper part of the front part side of the threshing apparatus 208 in the right side part of the threshing apparatus 208. ing. Further, the second product reducing device 235 is provided in an oblique posture extending from the position corresponding to the second screw 234 toward the front upper side on the right side of the threshing device 208 at the right side portion of the threshing device 208.

The swing sorter 227 includes a rectangular frame-shaped sheave case 237 that swings back and forth by the operation of a crank-type swing drive unit 236 provided on the lower rear side. Then, in the sheave case 237, the first gren pan 238 that transfers the processed material leaked from the upper side in the processed material transfer direction in the handling chamber 225, and the processed material sent out from the first gren pan 238 are received. A second sieve pan 239 that moves rearward, a first sieve wire 240 that is cantilevered on the rear side in a state of being connected to an end portion of the first grain pan 238 in the transfer direction, and a transfer direction end portion of the first sieve wire 240 , The second sieve wire 241 extended in a cantilevered manner on the rear side, the processed product transferred by the second grain pan 239, the processed product leaked from the first sieve wire 240 and the second sieve wire 241 , And chaff sheave 242 that performs rough sorting on the treatment material leaked from the lower side of the treatment product transfer direction in the handling chamber 225, and fine sorting of the treatment material leaked from the chaff sheave 242 Grain sieve 243 that causes the grain (first thing) to leak to the first thing collection unit 229 below, the waste straw waste supplied from the handling chamber 225 and the chaff sheave 242 while swinging and moving backwards A plurality of Strollacs 244 and the like are provided for dropping the camera.

Next, the rocking drive unit 236 that rocks and drives the rocking sorter 227 will be described.
As shown in FIGS. 25 and 26, the swing drive unit 236 includes an eccentric shaft portion 246A that rotates about the lateral axis, and an eccentric shaft portion 246B that is eccentric with respect to the rotary shaft portion 246A. The drive shaft 246, the connecting member 248 extended from the swing sorting device 227, and the eccentric shaft portion 246B are extrapolated through the bearing 249 so as to be relatively rotatable, and connected to the connecting member 248. And a bearing holder 250 that can be freely disconnected.

In other words, a pair of left and right rotating shafts 246A are supported so as to be rotatable around the same horizontal axis (lateral axis) P6 while being inserted through the left and right side walls 208A of the threshing device 208, respectively. In addition, an eccentric drive shaft 246 having an eccentric shaft portion 246B that is eccentric with respect to the rotation shaft portion 246A in a state in which the rotation shaft portions 246A on both the left and right sides are integrally connected. Therefore, the eccentric drive shaft 246 is rotatably supported by the left and right side walls 208A.

The support bracket 251 is fixed in a state extending from the left and right sides of the sheave case 237 in the swing sorting device 227 toward the rear lower side. And the connection member 248 is being fixed to the extension direction side edge part in a pair of support bracket 251, respectively.

As shown in FIGS. 25, 26, and 27, the connecting member 248 is formed with a plate-like connecting portion 248a that is connected and fixed to the support bracket 251 by bolting three places on the front side. Are formed with a concave portion 248b into which the arc-shaped portion of the bearing holder 250 is inserted, and a pair of front and rear connecting member side flange portions 248c which are located on both front and rear sides of the concave portion 248b and are connected to the bearing holder 250. Yes.

As shown in FIGS. 25, 26, and 27, the bearing holder 250 is integrated with a substantially cylindrical holding portion 250a that surrounds the outer periphery of the bearing 249 in a state of projecting radially outward from the holding portion 250a. And a pair of holder-side flange portions 250b. The pair of holder-side flange portions 250b are integrally extended in a substantially straight line outward in the radial direction with a phase difference of about 180 degrees around the outer peripheral portion of the holding portion 250a.

Each of the pair of holder-side flange portions 250b has a predetermined thickness in a direction intersecting the extending direction (radial direction), and a bolt insertion hole 253 through which the connecting bolt 252 is inserted along the thickness direction. Is formed. The pair of front and rear connecting member side flange portions 248c are respectively formed with screw holes 254 into which the connecting bolts 252 are screwed and attached at positions corresponding to the bolt insertion holes 253 of the holder side flange portion 250b. Yes.

When connecting the connecting member 248 to the bearing holder 250, as shown in FIG. 27, the arc-shaped protrusion 255 positioned above the cylindrical holding portion 250 a of the bearing holder 250 is a concave portion of the connecting member 248. The connecting member 248 can be placed on the bearing holder 250 in a state where the pair of front and rear connecting member side flange portions 248c overlap the pair of holder side flange portions 250b.
Therefore, the mounting support part S which can mount and support the connection member 248 is comprised by a pair of holder side flange part 250b.

For example, in the case where the swing sorting device 227 is mounted in the threshing device 208, the connecting member 248 connected to the swing sorting device 227 is a bearing holder that is externally mounted to the eccentric shaft portion 246B. It is possible to reduce the labor burden by placing it on 250 and temporarily bearing the load of the swing sorting device 227.

A fitting engagement portion 256 for alignment is formed between the connecting member 248 and the bearing holder 250. That is, as shown in FIG. 27, on the bearing holder 250 side, a positioning projection 257 is formed at a location facing the connecting member 248 at the base end portion of the pair of holder-side flange portions 250b. . On the other hand, on the connecting member 248 side, a positioning recessed portion 258 is formed at a position facing the bearing holder 250 at the base end portion of the pair of connecting member side flange portions 248c.

When the connecting member 248 is placed on the bearing holder 250, the positioning protrusions 257 and the positioning recesses 258 are fitted to each other, so that the relative position between the connecting member 248 and the bearing holder 250 is appropriately set. It can be positioned at a connecting position (see FIG. 25). Therefore, the protrusion 257 and the recessed portion 258 constitute a fitting engagement portion 256.

The connecting member 248 is placed on the bearing holder 250 in the state of positioning as described above, and the bolt 252 is inserted through the bolt insertion hole 253 from the lower side of the pair of holder-side flange portions 250b, and the connecting member-side flange is inserted. The screw hole 254 formed in the portion 248c is screwed and attached. Then, by tightening the bolt 252, the connecting member 248 and the bearing holder 250 are connected and fixed. The bolt insertion hole 253 is set to have an inner diameter that is slightly larger than the outer dimension of the bolt 252 so that an assembly error can be absorbed.

The bearing holder 250 is formed symmetrically with respect to the center line extending along the center of the holder-side flange portion 250b as viewed in the axial direction of the eccentric shaft portion 246B. Therefore, for example, even when the bearing holder 250 is rotated 180 degrees around the axis of the eccentric shaft portion 246B from the mounting support state as shown in FIG. 27, the same mounting state as that shown in FIG. A stationary support state can be obtained. In other words, the bearing holder 250 is provided with a plurality (two) of mounting support portions S at different positions that are 180 degrees out of phase in the circumferential direction.

The connecting member 248 and the bearing holder 250 are each made of an integrally molded product made of a casting, and the parts where the members are connected are machined with high precision. In particular, the cylindrical holding portion 250a for holding the bearing 249 is formed with a circular inner peripheral surface with high accuracy by machining, so that there is no risk of rattling due to driving, and smooth swing driving can be performed. .

The transmission structure will be described later. As shown in FIG. 26, an input pulley 259 is provided on the outer side of the side wall 208A of the left rotation shaft portion 246A among the left and right rotation shaft portions 246A. The power from the engine 210 is transmitted to the eccentric drive shaft 246. When the eccentric drive shaft 246 rotates, the eccentric shaft portion 246B rotates around the axis P6 of the rotation shaft portion 246A, and the bearing holder 250 and the connecting member 248 integrally move back and forth up and down. The swing sorting device 227 is driven to swing. In addition, balance weights BW for suppressing body vibration associated with driving of the swing sorting device 227 are provided on the outer side portions of the left and right side walls 208A in the left and right rotating shaft portions 246A.

[Transmission structure]
Next, the transmission structure will be described.
As shown in FIG. 23, after the power of the engine 210 is transmitted to the travel input shaft 261 for the mission case 260, the travel input shaft 261 is used as a counter shaft for the rotary shaft 262 of the carp 228. It is transmitted to the input pulley 263 provided at the right end.

A first drive pulley 264 is provided at the left end of the rotary shaft 262 of the carp 228, and power is transmitted from the first drive pulley 264 to the input pulley 267 provided on the relay shaft 266 via the transmission belt 265. The relay shaft 266 includes a handling cylinder output pulley 268 that supplies power to the handling cylinder 223, a feeder output pulley 269 that supplies power to the feeder 216, a first screw 231 and a second screw 234, and a swing. A transfer output pulley 270 that supplies power to the drive unit 236 is provided.

Then, power is transmitted from the handling cylinder output pulley 268 to the transmission pulley 272 for the handling cylinder 223 via the handling cylinder transmission belt 271. Further, power is transmitted from the feeder output pulley 269 to the transmission pulley 274 to the feeder 216 via the feeder transmission belt 273. Although not described in detail, the power transmitted from the transmission pulley 274 to the feeder 216 is the cutting blade. 213 and the transverse feed auger 214 are also transmitted.

Power is transmitted from the transport output pulley 270 to the first screw 231 and the second screw 234 via the transport transmission belt 275. A reversing pulley 276 for reversing the rotational power is provided in the middle of transmission of the conveying power transmission belt 275, and a swing driving unit is connected from the reversing pulley 276 via a swing driving power transmission belt 277 and an input pulley 259. Power is transmitted to 236.

The rotary shaft 262 of the carp 228 is provided with a second drive pulley 278 integrally with the first drive pulley 264, and power is transmitted from the second drive pulley 278 to the shredding device 212. That is, as shown in FIGS. 28 and 29, the first belt transmission from the second drive pulley 278 provided on the rotary shaft 262 of the carp 228 to the driven pulley 281 provided on the relay transmission shaft 280 located at the front and rear intermediate portion. Power is transmitted via the mechanism 282, and power is transmitted from the relay drive pulley 283 provided on the relay transmission shaft 280 to the driven pulley 285 provided on the rotation shaft 284 of the shredding device 212 via the second belt transmission mechanism 286. Is transmitted.

In order to perform the shredding process of the shredding device 212 satisfactorily, it is necessary to transmit high-speed power to the shredding device 212. Therefore, the driven pulley 281 provided on the relay transmission shaft 280 is formed to have a smaller diameter than the second drive pulley 278, and the driven pulley 285 provided on the rotary shaft 284 is provided on the relay transmission shaft 280. The relay driving pulley 283 is formed with a small diameter. That is, the rotational power of the rotary shaft 262 of the red pepper 228 is increased and transmitted to the shredding device 212.

As shown in FIG. 29, the driven pulley 281 and the relay driving pulley 283 are constituted by a single transmission rotating body 287 formed integrally. With this configuration, the cost is reduced by reducing the number of parts and improving the assembly workability.

Also, in order to increase the speed increase rate without making the second drive pulley 278 larger than necessary, the driven pulley 285 provided on the rotating shaft 284 is set as small as possible. And even if it is such a small diameter driven pulley 285, the 2nd belt transmission mechanism 286 which transmits motive power from the relay transmission shaft 280 to the rotating shaft 284 of the shredding device 212 is arranged in parallel so as not to slip. It consists of a transmission belt. The second belt transmission mechanism 286 is not limited to two transmission belts, and may include three or more transmission belts.

[Another embodiment of the third embodiment]
(1) In the above-described embodiment, the pair of holder-side flange portions 250b constituting the placement support portion S are integrally extended in a substantially straight line with a phase difference of 180 degrees toward the outside in the radial direction. As a configuration, the two mounting support portions S are provided at different positions with a phase difference of 180 degrees in the circumferential direction. However, instead of such a configuration, the following configuration may be used. .

The bearing holder 250 may be configured to include three or more mounting support portions S as a plurality of positions whose phases are different in the circumferential direction, and the plurality of mounting support portions are even in the circumferential direction. It is not limited to those provided by being distributed to each other, but may be any provided as long as they are provided at different positions in the circumferential direction. For example, it is good also as a structure which equips the outer peripheral part of the bearing holder 250 with the recessed part or protrusion part which can mount and support the connection member 248 by changing the position in the circumferential direction.

(2) In the above embodiment, the fitting engagement portion 256 for alignment is formed between the bearing holder 250 and the connecting member 248. However, such a fitting engagement portion 256 is formed. It may not be.

(3) In the above embodiment, the holder-side flange portion 250b that constitutes the mounting support portion S is configured to also serve as a fastening means with the connecting member 248. However, the bearing holder 250 and the connecting member 248 are used. The fastening means may be formed by a member different from the member constituting the mounting support portion S.

(4) In the above embodiment, the drive shaft for power transmission to the shredding device 212 is also used as the rotary shaft 262 of the Karatsu 228. Instead of such a configuration, the rotary shaft of another device is used. It may be used as a drive shaft, and a counter shaft provided outside the threshing device may be used as a drive shaft.

(5) In the above embodiment, the driven pulley 281 and the relay driving pulley 283 are configured by the single transmission rotating body 287, but the driven pulley 281 and the relay driving pulley 283 include The transmission structure may be formed separately.

(6) In the above embodiment, the combine is applied to a normal combine as a combine. However, the present invention can also be applied to a self-removing combine.

The present invention can be applied to a combine such as an ordinary combine and a self-removing combine and a threshing apparatus for such a combine.

[First Embodiment]
8 Threshing device 20 Top plate part 23 Handling room 26 Grain tank 28 Airframe fixing part (machine frame)
29 Bottom frame 33 Airframe fixing part (airframe frame)
41 Actuator 51 Connecting portion 52 First arm 53 Second arm 60 Rotation restricting portion P2 Oscillation axis P3 Horizontal axis R Interlocking operation mechanism

[Second Embodiment]
DESCRIPTION OF SYMBOLS 102 Handling chamber 106 Handling cylinder 107 Receiving net 116 Swing sorter 119 Kara 124 Sheave case 124A Side plate 125 Glenpan 127,128 Sieve wire 129 Sheave case 131 Strolac 134 Linear member 134a First linear member 134b Second linear member 150 Information board Q4 Ventilation path

[Third Embodiment]
204 Cutting part 208 Threshing device 210 Engine 212 Shredding device 225 Handling chamber 227 Swing sorter 228 Kara 236 Swing drive unit 246 Eccentric drive shaft 246A Rotating shaft portion 246B Eccentric shaft portion 248 Connecting member 248c Connecting member side flange portion 249 Bearing 250 Bearing holder 250a Holding portion 250b Holder-side flange portion 256 Fitting engagement portion 262 Drive shaft 280 Relay transmission shaft 281 Drive pulley 283 Drive pulley 284 Rotation shaft 286 Belt transmission mechanism 287 Transmission rotator P6 Lateral shaft core S Mounting support

Claims

A threshing device for threshing the harvested cereal, and a grain tank for storing the grain obtained by threshing in the threshing device,
The grain tank is located above the threshing device, and is supported by the body fixing part so as to be swingable up and down around the horizontal axis by the operation of an actuator.
The combine provided with the interlocking operation mechanism which can open the handling room of the said threshing apparatus with the raising rocking | fluctuation of the said grain tank.
The combine according to claim 1, wherein the interlocking operation mechanism switches the handling chamber to a closed state as the grain tank descends and swings.
A top plate part that covers the upper part of the handling chamber and is switchable between a closed state that closes the handling chamber and an open state that opens the handling chamber is provided,
The combine according to claim 1 or 2, wherein the interlocking operation mechanism includes a connecting part capable of interlockingly connecting the top plate part and the grain tank.
The top plate portion is supported by the body fixing portion so as to be swingable and openable around a swing axis parallel to the horizontal axis.
The combine according to claim 3, wherein the connecting portion is capable of interlockingly connecting a portion on the grain tank opposite to the horizontal axis and a portion on the top plate opposite to the swing axis.
The combine according to claim 4, wherein the connecting portion is connectable to a swinging side end portion of the top plate portion opposite to the swinging shaft core.
The combine according to any one of claims 3 to 5, wherein the connecting portion is connectable to a central portion in the swing axis direction of the top plate portion.
The combine according to any one of claims 3 to 6, wherein the connecting portion is connectable to a bottom frame provided at a bottom portion of the grain tank.
The combine according to any one of claims 3 to 7, wherein the connecting portion is provided with an accommodation for shifting a rising start timing of the grain tank and a rising start timing of the top plate portion.
The connecting portion has a first arm whose one end is rotatably supported by the grain tank, and one end is rotatably supported by the top plate portion, and the other end is the first arm. A second arm rotatably connected to the other end of the
The first arm and the second arm are configured to be folded in the lowered state of the grain tank, and the first arm and the second arm according to the upward swing of the grain tank. The combine according to claim 8, wherein the top plate portion starts to rise after being extended from a folded state.
When the first arm and the second arm extend from the folded state, the connecting portion has a relative rotation of the first arm and the second arm before the first arm and the second arm are aligned. The combine of Claim 9 provided with the rotation control part which controls a motion.
A handling cylinder that is rotationally driven to handle and process the crop, a receiving net provided below the handling cylinder, and an oscillating sorting device that performs a sorting process while transporting the processed material leaked downward from the receiving net. Provided,
The swing sorting device includes a grain pan located on a transfer direction start end side, a sieve line located on a lower side of the grain pan in the transfer direction, and a chaff sheave extending from a lower side portion of the sieve line toward a lower side in the transfer direction. Provided,
A threshing device provided with a guide plate on the upper side of the chaff sheave for moving and guiding the processed material that is swung on the chaff sheave from the upper side to the lower side in the barrel rotation direction in the width direction of the chaff sheave.
The threshing apparatus according to claim 11, wherein the guide plate is supported by a side plate of a sheave case on which the chaff sheave is supported.
The threshing apparatus according to claim 11 or 12, wherein the guide plate is provided at a position corresponding to a lower side position in the transfer direction of the chaff sheave.
The threshing device according to any one of claims 11 to 13, wherein the guide plate extends from the position corresponding to the lower side of the sieving line to the lower side of the transfer direction.
The threshing apparatus according to claim 14, wherein the guide plate extends from a position corresponding to a transfer direction end portion of the sieving line to a lower side in the transfer direction.
A stroller is provided on the lower side in the transport direction of the chaff sheave,
The threshing apparatus according to any one of claims 11 to 15, wherein a lower side portion in the transport direction of the guide plate is supported by the Strollac.
The strola rack is supported and installed across the left and right side plates of the sheave case on which the chaff sheave is supported,
The threshing apparatus according to claim 16, wherein the guide plate is supported by a left and right central portion of the Strollac.
There is a tang that supplies sorting air to the swing sorting device,
The ventilation path for guiding the selected air from the tang to pass through the lower side of the sieve line and the upper side of the guide plate in the transfer direction is formed. The threshing device according to item.
The sieving wire is composed of a plurality of linear members extending in a cantilever shape,
As a plurality of linear members, a plurality of first linear members having a high free end portion height and a plurality of second linear members having a free end portion height lower than the first linear member are provided. The threshing apparatus according to any one of claims 11 to 18.
The threshing apparatus according to any one of claims 11 to 19, wherein the sieving line is formed in a substantially wave shape in a side view.
A threshing device for threshing a crop supplied from a cutting part at the front of the machine body is swayed by a swaying drive unit located below the handling room, and the threshing processed product leaked from the handling room It is equipped with a rocking sorting device that separates into grains and other processed materials while receiving and rocking and transferring,
The swing drive unit is
A rotating shaft that rotates around a lateral axis, and an eccentric drive shaft having an eccentric shaft that is eccentric with respect to the rotating shaft;
A connecting member extending from the swing sorting device;
A bearing holder that is extrapolated relative to the eccentric shaft portion via a bearing, and that can be connected to and disconnected from the connecting member;
The combine provided with the mounting support part in which the said bearing holder can mount and support the said connection member.
The bearing holder includes, as the mounting support portion, a holder side flange portion that protrudes radially outward from a cylindrical holding portion that surrounds the outer periphery of the bearing,
The connecting member includes a connecting member side flange portion corresponding to the holder side flange portion,
The combine according to claim 21, wherein the retainer side flange portion and the connecting member side flange portion are bolt-connected.
The combine according to claim 21 or 22, wherein a fitting engagement portion for alignment is formed between the bearing holder and the connecting member.
The combine according to any one of claims 21 to 23, wherein a plurality of the mounting support portions are provided at different positions in the circumferential direction of the bearing holder.
The combine according to any one of claims 21 to 24, wherein, in the bearing holder, a cylindrical holding portion surrounding an outer periphery of the bearing is formed as an integrally molded product.
A shredding device for shredding the discharged matter after the threshing process is provided at the rear of the threshing device,
The power of the engine is transmitted from the drive shaft to which the power of the engine is transmitted to the rotation shaft of the shredding device via the relay transmission shaft,
The combine according to any one of claims 21 to 25, wherein the belt transmission mechanism that links the relay transmission shaft and the rotary shaft is constituted by a plurality of parallel transmission belts.
The transmission pulley on the side of the relay transmission shaft to which power from the drive shaft is transmitted and the drive pulley on the side of the relay transmission shaft that transmits power to the rotary shaft are formed as a single transmission rotating body. 27. A combine according to claim 26 configured.
The combine according to claim 26 or 27, wherein the drive shaft is a rotary shaft of a red pepper provided in the threshing device.