JP6404732B2 - Crop harvester - Google Patents

Description

  The present invention relates to arrangement of a fuel tank and fuel supply to the fuel tank in a crop harvester such as a carrot harvester or a radish harvester.

  In the carrot harvester which is an example of a crop harvester, as disclosed in Patent Document 1, a car seat (10 in FIG. 1 and FIG. 2 in Patent Document 1) is provided at a high position in the front and rear center of the aircraft, Some have a fuel tank (11f in FIGS. 1 and 2 of Patent Document 1) on the rear side of the driver's seat.

JP 2006-115859 A JP 2009-268357 A

  In Patent Document 1, since the driver's seat is provided at a high position of the fuselage and the fuel tank is provided at a high position of the fuselage on the rear side of the driver's seat, when the fuel is supplied to the fuel tank, the operator enters the fuel. It is necessary to lift the fuel container (poly tank, etc.) from the ground to the position of the driver's seat, which is a high position of the aircraft, and this is a labor-intensive work.

Furthermore, after raising the fuel tank to the position of the driver's seat and trying to replenish fuel from the fuel container to the fuel tank while placing the fuel container, there is no place to place the fuel container. The operation of refueling the fuel tank from the fuel container to the fuel tank is also a labor-intensive work.
It is an object of the present invention to configure a crop harvester so that fuel can be easily supplied to a fuel tank.

[I] (Configuration)
The first feature of the present invention is that the crop harvester is configured as follows.
A harvesting section for harvesting crops on the ground, a cutting device for cutting leaves of the harvested crop, and a transport device for transporting the cut leaves to the rear of the aircraft,
A fuel tank is provided below the rear part of the transfer device,
A guide member is provided on the rear side of the rear part of the transport device,
The guide member is provided on the rear side of the fuel tank, and receives a slanted downward posture for receiving the leaf portion discharged from the rear portion of the transfer device and guiding it to the ground, and a fuel container for refueling. It is supported by the aircraft so that the posture can be freely changed to a horizontal posture that can be placed .

(Operation and effect of the invention)
For example, Patent Document 2 discloses a crop harvester equipped with a harvesting unit that harvests crops on the ground, a cutting device that cuts the leaves of the harvested crop, and a conveying device that transports the cut leaves to the rear of the machine body. As shown in FIG. 2, a guide member (17 in FIGS. 2 and 4 of Patent Document 2) having an obliquely inclined posture that receives the leaf portion discharged from the rear portion of the conveying device and guides the leaf portion to the ground is disposed at the rear portion of the conveying device. There is something on the back side.

In this case, according to the first feature of the present invention, since the fuel tank is provided on the lower side of the transfer device and the guide member is provided on the rear side of the rear portion of the transfer device, the fuel tank and the guide member are at a relatively low position. The fuel tank and the guide member are relatively close to each other.
Further, according to the first feature of the present invention, the guide member is configured to be freely changeable in an inclined downward inclination posture that receives the leaf portion discharged from the rear portion of the conveying device and guides it to the ground, and a horizontal posture. Yes.

As a result, when refueling the fuel tank, by setting the guide member in the horizontal orientation, as in Patent Document 1, the effort to lift the fuel container from the ground to the position of the driver's seat, which is the high position of the fuselage Even if the necessary work is not performed, the fuel container can be easily placed on the guide member in the lateral orientation at a relatively low position.
Next, since the fuel tank and the fuel container (guide member) are relatively close to each other when the fuel container is placed on the guide member in the sideways posture, fuel can be easily supplied from the fuel container to the fuel tank. can do.

[II] (Configuration)
The second feature of the present invention resides in the following configuration in the crop harvester of the first feature of the present invention.
The transport device, the fuel tank, and the guide member are provided on the right or left side of the fuselage,
The fuel tank is provided with a fuel filler opening on the right or left lateral outer side of the fuel tank.

(Operation and effect of the invention)
In a crop harvester such as a carrot harvester, for example, as disclosed in Patent Documents 1 and 2, a harvesting unit that harvests a ground crop, a cutting device that cuts a leaf part of the harvested crop, and a cut leaf In many cases, a transport device that transports the part to the rear part of the machine is provided close to the right side (left side) of the machine.

According to the second feature of the present invention, when the transport device, the fuel tank, and the guide member are provided on the right side (left side) of the airframe, the fuel supply port of the fuel tank is connected to the right lateral outer side (left lateral outer side) of the fuel tank. Therefore, the fuel tank filler port is in a state of being located on the right side portion (left side portion) of the airframe.
As a result, an operator located on the right lateral outer side (left lateral outer side) of the fuselage can reasonably approach the fuel filler opening of the fuel tank, and the fuel container is placed on the laterally directed guide member. In the state, the fuel can be easily supplied from the fuel container to the fuel tank.

[III] (Configuration)
A third feature of the present invention resides in the following configuration in the crop harvester of the second feature of the present invention.
In the lateral orientation of the guide member, the lateral orientation of the guide member is set so that the guide member protrudes to the right or left laterally outward from the fuel filler port of the fuel tank.

(Operation and effect of the invention)
According to the third aspect of the present invention, since the guide member in the lateral orientation projects to the right lateral outer side (left lateral outer side) from the fuel tank filler port, the fuel container is located to the right side from the fuel tank filler port. The fuel container can be placed on the guide member in the lateral orientation so as to be located on the outer side (left lateral outer side).
As a result, the hose extending from the fuel container can be inserted into the fuel tank filling port without being bent so much, so that when the fuel is replenished from the fuel container to the fuel tank, the flow of fuel in the hose Therefore, fuel can be smoothly supplied from the fuel container to the fuel tank.

[IV] (Structure)
According to a fourth aspect of the present invention, in any one of the crop harvesters according to the first to third aspects of the present invention, the fourth aspect is configured as follows.
With the front part of the guide member supported by the machine body as a fulcrum, the guide member is supported by the machine body so that it can be changed to a non-working posture in the vertical direction.

(Operation and effect of the invention)
According to the fourth feature of the present invention, the guide member protruding backward from the machine body is set to a non-working posture so as to prevent the guide member from protruding backward from the machine body during movement on the road or storage in a warehouse. As a result, it is less likely that the guide member is applied to another object.

It is a left view of a carrot harvester (a guide member is an inclination posture). It is a top view of a carrot harvester (the guide member is inclined) It is a right view of a carrot harvester (a guide member is an inclination posture). It is a rear view of a carrot harvester (the guide member is inclined). It is a rear view of the vicinity of the guide member of the inclination posture. It is a rear view of the vicinity of the guide member of a horizontal orientation. It is a left view of the vicinity of the guide member and fuel tank of a horizontal attitude | position. It is a perspective view of the vicinity of the guide member of an inclination posture.

  The front-rear direction and the left-right direction in the embodiment of the present invention are described as follows unless otherwise specified. The forward traveling direction is “front” and the backward traveling direction is “rear” during harvesting of the aircraft. The direction corresponding to the right side is “right” and the direction corresponding to the left side is “left” based on the forward posture in the front-rear direction.

[1]
In the carrot harvester, the structure related to the harvest of carrot A (corresponding to crop) will be described.
1 and 2 show a carrot harvester which is an example of a crop harvester, and a driving unit 3 and a front part on the right side of an airframe 2 supported by a crawler type traveling device 1 on the right side and the left side. The engine 4 is supported. At the front part on the left side of the machine body 2, a raising device 5 facing the front side, a raising device 6 facing the left side, a soil unraveling blade 7, a pair of left and right extraction belts 8 and a rotary blade 9 are supported.

As shown in FIGS. 1 and 2, as the airframe 2 advances, the leaf unwinding blade 7 that has entered the soil vibrates while the leaf A1 of the carrot A is caused upward by the raising devices 5 and 6. The soil on the side of carrot A is destroyed. The leaf A1 of the carrot A is clamped by the pulling belt 8 and the carrot A is pulled out. The lower tail portion of the carrot A is cut by the rotary blade 9, and the carrot A is conveyed to the upper rear side by the pulling belt 8. The
As described above, the raising device 10 for harvesting the carrot A on the ground is configured by the raising devices 5 and 6, the soil unraveling blade 7, the drawing belt 8, the rotary blade 9, and the like. Is provided at the front.

[2]
Next, the structure related to the collection of the harvested carrot A in the carrot harvester will be described.
As shown in FIGS. 1 and 2, a pair of left and right leaf conveyance belts 11 (corresponding to a conveyance device) and a rotary blade 12 (corresponding to a cutting device) are provided on the left side of the machine body 2 on the rear side of the upper portion of the drawing belt 8. Is provided. A conveyance belt 13 (corresponding to a conveyance device) is provided below the leaf conveyance belt 11 and the rotary blade 12 on the left side of the machine body 2 and extends from the rear side of the drawing belt 8 to the rear part of the machine body 2.

  Thereby, as shown in FIG.1 and FIG.2, the leaf part A1 of the carrot A conveyed by the upper side of the rear side by the drawing belt 8 is handed over and held by the leaf part conveyor belt 11, and the leaf part conveyor belt. 11, while the carrot A is conveyed backward, the rotary blade 12 cuts between the carrot A and the leaf part A <b> 1, and the carrot A falls on the conveyor belt 13.

  As shown in FIGS. 1, 2, and 4, a fixed guide body 14 that obliquely intersects with the conveyance direction of the conveyance belt 13 is provided on the upper side of the conveyance belt 13, and the conveyor 15 extends from the rear side of the conveyance belt 13 toward the right side. The chair 24 for operators is supported at the rear part of the machine body 2. As a result, the carrot A that has fallen on the transport belt 13 is transported to the rear side by the transport belt 13, hits the guide body 14, and is sent to the conveyor 15.

  As shown in FIGS. 2 and 4, the conveyor 15 is configured to be swingable up and down around the horizontal axis P <b> 1 in the front-rear direction of the intermediate portion of the conveyor 15 so that the conveyor 15 can be bent up and down. A cylinder 16 is provided. A pair of L-shaped support frames 17 are attached to the right end of the conveyor 15, and a hanging tool 18 is supported on the end of the support frame 17.

As shown in FIGS. 2, 3, and 4, an auxiliary base 19 is supported on the right side of the airframe 2, and the support base 20 can swing up and down around the horizontal axis P <b> 2 in the left-right direction at the rear of the auxiliary base 19. The support 20 is positioned below the right end of the conveyor 15. A support column 21 is connected to the front part on the right side of the auxiliary table 19, an arm 20 a is connected to the front part on the right side of the support table 20, and the telescopic mechanism 22 is connected across the support column 21 and the arm 20 a of the support table 20. ing.
The expansion / contraction mechanism 22 is extended / contracted by the electric motor 23, and the support base 20 is shown by the expansion / contraction mechanism 22 in the horizontal horizontal working posture shown by solid lines in FIGS. 3 and 4 and the two-dot chain line in FIG. It is possible to set the posture to be inclined downward.

[3]
Next, the process of collecting carrot A in the carrot harvester will be described.
As shown in FIG. 3 and FIG. 4, a collection bag 25 is prepared which is entirely constituted by a cloth such as canvas or a flexible sheet such as polyethylene, and the string portion 25 a of the collection bag 25 is attached to the hanging tool 18. After mounting, the support table 20 is set to a horizontal working posture, the collection bag 25 is placed on the support table 20, the conveyor 15 is lowered to the vicinity of the support table 20, and the collection bag 25 is crushed. deep.

When the harvesting operation is started in the above-described state, as shown in FIG. 7, the harvested carrot A is put into the collection bag 25 from the conveyor 15 and collected, and the carrot A is conveyed to the right side by the conveyor 15. On the way, the operator of the chair 24 takes out the defective carrot A.
As the carrot A is collected in the collection bag 25 as the harvesting operation proceeds, the operator of the chair 24 raises and stops the conveyor 15 a little, and raises the upper part of the collection bag 25 a little. As the carrot A is collected in the collection bag 25 as it progresses, the operator of the chair 24 raises and stops the conveyor 15 a little again, and raises the upper part of the collection bag 25 a little.

When the collection bag 25 is full of carrots A and the upper part of the collection bag 25 is pulled up to the limit, the machine body 2 is stopped and the harvesting operation is interrupted. In this state, the operator of the chair 24 removes the string portion 25a of the collection bag 25 from the suspending tool 18, sets the support base 20 in an inclined posture, as shown by a two-dot chain line in FIG. Is slid down from the support 20 to the ground.
Next, an empty collection bag 25 is attached to the suspending tool 18, the support base 20 is set in a horizontal horizontal working posture, the collection bag 25 is placed on the support base 20, and the conveyor 15 is lowered to the vicinity of the support base 20. Return to the initial state and resume harvesting.

[4]
Next, the process of leaf part A1 of carrot A will be described.
As shown in FIGS. 1, 2, and 4, a guide plate 43 obliquely downward toward the rear side of the machine body 2 is provided at the rear part of the leaf conveyance belt 11, and the left and right sides of the machine body 2 are arranged at the left rear part of the machine body 2. An obliquely downward flat plate-like guide member 26 facing the center side is supported (corresponding to a state in which the guide member 26 is provided on the rear side of the leaf portion conveyor belt 11 and the rear portion of the conveyor belt).

  As a result, as shown in FIGS. 1, 2, and 4, the leaf part A <b> 1 of the carrot A conveyed to the upper rear side by the drawing belt 8 is transferred to and held by the leaf part conveyance belt 11. While the carrot A is transported to the rear side by the belt 11, the carrot A and the leaf portion A <b> 1 are cut by the rotary blade 9, and the carrot A falls on the transport belt 13.

  As shown in FIGS. 1, 2, and 4, the leaf portion A <b> 1 is conveyed to the rear side as it is by the leaf portion conveyance belt 11, and the rear portion (guide body) of the conveyance belt 13 from the rear portion of the leaf portion conveyance belt 11 through the guide plate 43. 14), is transported to the rear side by the transport belt 13, falls from the rear portion of the transport belt 13 to the guide member 26, and falls to the ground on the rear side of the machine body 2.

[5]
Next, the support structure and inclined posture of the guide member 26 will be described.
As shown in FIGS. 1, 5, 7, and 8, right and left vertical frames 27 and 28, a bracket 34 having an L-shaped cross section connected to the vertical frame 27, the bracket 34, and the vertical A frame-like support frame 33 is constituted by horizontal frames 29 and 30 in the left-right direction connected across the frame 28, brackets 34, horizontal frames 31 and 32 in the front-rear direction connected to the top of the vertical frame 28, and the like. The conveyor belt 13 is supported on the support frame 33.

As shown in FIGS. 5, 7, and 8, the bracket 35 is connected to the left rear portion of the airframe 2.
An angle member-like support member 36 having an L-shaped cross section is provided, and the support member 36 is connected to brackets 34 and 35 by bolts 37 and 38, and the support member 36 is inclined toward the left and right center side of the body 2. The posture is downward.

As shown in FIGS. 5 and 7, mounting portions 26 a and 26 b are connected to the right and left sides of the front portion of the lower surface of the guide member 26, and the front portion of the lower surface of the guide member 26 has an L-shaped cross section and an angle. The member-shaped frame 26c is connected. A fulcrum shaft 39 is mounted across the mounting portions 26a and 26b of the guide member 26 and the lateral side portions 36a and 36b of the support member 36, and the guide member 26 is supported so as to be swingable up and down around the fulcrum shaft 39. Yes.

The state shown in FIGS. 5 and 8 is a state in which the guide member 26 is fixed in an obliquely downward inclined posture facing the left and right center side of the airframe 2.
In the inclined posture of the guide member 26, the weight of the guide member 26 is supported so that the frame 26c of the guide member 26 hits the upper surface of the support member 36 and the guide member 26 cannot swing downward. The pin 40 is inserted over the portion 26a and the lateral side portion 36a of the support member 36 so that the guide member 26 does not swing upward. As a result, as described in [4] above, the leaf portion A1 dropped from the rear portion of the conveyor belt 13 is received by the guide member 26 and guided to the ground on the rear side of the machine body 2.

  When moving on the road, storing in the warehouse, etc., as shown by the two-dot chain line in FIG. 7, the pin 40 is removed, the guide member 26 is lifted upward around the fulcrum shaft 39, and the pin 40 is again moved to the guide member 26. The guide member 26 is fixed in a vertically non-working posture by being inserted across the attachment portion 26a and the lateral side portion 36a of the support member 36.

[6]
Next, the relationship between the guide member 26 and the fuel tank 41 will be described.
As shown in FIGS. 1, 4, and 7, the airframe 2 is attached so that the fuel tank 41 is located inside the support frame 33, and the fuel tank 41 is located below the leaf conveyor belt 11 and the conveyor belt 13. The leaf conveyor belt 11, the conveyor belt 13, and the fuel tank 41 are located on the left side of the machine body 2.

As shown in FIGS. 1, 4, and 7, the fuel inlet 41 a of the fuel tank 41 is provided at the rear portion of the left lateral outer portion of the fuel tank 41 and faces the oblique rear side of the left side. The mouth 41a protrudes from the airframe 2 and the support frame 33 to the left lateral outer side.
The guide member 26 is located on the rear side of the fuel tank 41. When the guide member 26 is inclined, the end portion 26d of the guide member 26 is located above the fuel supply port 41a of the fuel tank 41. It protrudes to the left lateral outside of the mouth 41a (see FIG. 4).

  As shown in FIG. 5, a bolt hole-shaped connecting portion 42 is provided at an intermediate portion of the horizontal frame 30. As shown in FIGS. 6 and 7, the bolt 38 is removed, the support member 36 and the guide member 26 are lifted upward around the bolt 37, and the support member 36 is connected to the connecting portion 42 by the bolt 38. 26 can be fixed by changing its posture to the horizontal posture (the guide member 26 receives the leaf portion A1 discharged from the rear part of the conveying devices 11 and 13 and guides it to the ground, and the horizontal posture) And equivalent to a state in which the body 2 is supported so that the posture can be freely changed).

  As shown in FIGS. 6 and 7, in the lateral orientation of the guide member 26, the guide member 26 and the fuel filler 41a of the fuel tank 41 are located at substantially the same height, and the end portion 26d of the guide member 26 is the fuel tank. It protrudes to the left lateral outer side from the 41 oil filler opening.

As shown in FIGS. 6 and 7, when fuel is supplied to the fuel tank 41, the guide member 26 is set in the horizontal posture, so that the fuel container (not shown) is in the horizontal posture at a relatively low position. 26 can be easily placed.
In a state where the fuel container is placed on the guide member 26 in the lateral orientation, the intake port 41a of the fuel tank 41 and the fuel container (guide member 26) are relatively close to each other. The fuel can be easily supplied to the fuel filler opening 41a.

In this case, as shown in FIGS. 6 and 7, when the fuel container is placed on the guide member 26 in the lateral orientation so that the fuel container is positioned near the end portion 26 d of the guide member 26 in the lateral orientation, the fuel container is The hose (not shown) extending from the fuel container is inserted into the fuel supply port 41a of the fuel tank 41 without being bent so much because it can be positioned on the laterally outer side to the left of the fuel supply port 41a of the fuel tank 41. be able to.
As a result, when the fuel is supplied from the fuel container to the fuel tank 41, the flow of fuel does not stagnate in the hose, and the fuel can be smoothly supplied from the fuel container to the fuel tank 41.

  As shown in FIGS. 6 and 7, in the laterally oriented guide member 26, the pin 40 is removed and the guide member 26 is lifted upward around the fulcrum shaft 39 in the same manner as described in [5] above, and again the pin 40. Is inserted over the mounting portion 26a of the guide member 26 and the lateral side portion 36a of the support member 36, so that the guide member 26 can be fixed in a vertically non-working posture.

[First Alternative Embodiment of the Invention]
In the above-mentioned [Mode for Carrying Out the Invention], the inclination posture of the guide member 26 may be set not diagonally downward toward the left and right center side of the airframe 2 but diagonally downward toward the rear side of the airframe 2. Alternatively, it may be set obliquely downward facing the left lateral outside of the airframe 2.

[Second Embodiment of the Invention]
In the above-mentioned [Mode for Carrying Out the Invention], the harvesting section 10, the leaf section conveyor belt 11, the rotary blade 12, the conveyor belt 13, the guide member 26, the support frame 33, the fuel tank 41, and the like are provided on the right side of the aircraft. Also good.
If comprised in this way, the inclination attitude | position of the guide member 26 will be inclined diagonally downward facing the left-right center side of the fuselage 2, diagonally downward facing the rear side of the fuselage 2, or facing the right lateral outside of the fuselage 2. Set it downward.

[Third Another Embodiment of the Invention]
In the above-mentioned [Mode for Carrying Out the Invention] [First Another Mode for Carrying Out the Invention] [Second Another Mode for Carrying Out the Invention], the bolt 38 is not connected to the bracket 35 and the connecting portion 42 but is attached / detached. You may comprise so that the guide member 26 may be set to an inclination attitude | position and a sideways attitude | position by inserting a flexible pin in the hole part of the bracket 35, and the hole part of the connection part 42. FIG.

[Fourth Embodiment of the Invention]
In the above-mentioned [Mode for Carrying Out the Invention] [First Another Mode for Carrying Out the Invention] to [Third Another Mode for Carrying Out the Invention], the leaf portion A1 moves the guide plate 43 from the rear portion of the leaf portion conveyor belt 11. Instead of falling onto the rear part of the conveyor belt 13 via the guide plate 43, it may be configured to fall directly on the guide member 26. If comprised in this way, the conveyance belt 13 will no longer be a conveyance apparatus of this invention.

[Fifth Embodiment of the Invention]
In the above-mentioned [Mode for Carrying Out the Invention] [First Different Form of the Invention] to [Fourth Different Form of the Invention], the carrot A is not collected in the collection bag 25 but from the conveyor 15. You may comprise so that it may fall directly on the ground.

  The present invention can be applied not only to a carrot harvester but also to a crop harvester such as a radish harvester or an onion harvester.

2 Airframe 10 Harvesting section 11, 13 Conveying device 12 Cutting device 26 Guide member 41 Fuel tank 41a Fuel tank filler port A Crop A1 Leaf

Claims (4)

A harvesting section for harvesting crops on the ground, a cutting device for cutting leaves of the harvested crop, and a transport device for transporting the cut leaves to the rear of the aircraft,
A fuel tank is provided below the rear part of the transfer device,
A guide member is provided on the rear side of the rear part of the transport device,
The guide member is provided on the rear side of the fuel tank, and receives a slanted downward posture for receiving the leaf portion discharged from the rear portion of the transfer device and guiding it to the ground, and a fuel container for refueling. A crop harvester that is supported by the machine so that it can be changed to a horizontal position that can be placed . The transport device, the fuel tank, and the guide member are provided on the right or left side of the fuselage,
The crop harvester according to claim 1, wherein the fuel tank is provided with a fuel filler port on a right or left lateral outer side of the fuel tank.   The crop according to claim 2, wherein in the lateral orientation of the guide member, the lateral orientation of the guide member is set so that the guide member projects to the right or left laterally outward from the fuel filler opening of the fuel tank. Harvester.   The front part of the said guide member supported by an airframe is used as a fulcrum, The said guide member is supported by the airframe so that it can change to a non-working posture of the up-down direction. Crop harvester.

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