JP5237855B2 - Agricultural supply equipment - Google Patents

Description

  The present invention relates to an agricultural supply apparatus that supplies fertilizer, seeds, etc. to a farm field, such as a fertilizer applicator or a seeding machine, and more specifically, collects residues remaining on the upstream side of a feeding section after the supply operation is completed. The present invention relates to an agricultural supply device that can be used.

  As a fertilizer sowing machine which is an example of a multi-row feed type agricultural supply device, a plurality of feeding devices 1 for feeding fertilizer and seeds are arranged in parallel in the left and right lateral directions below the hopper 18, and each of these feeding devices 1 The residue discharge port (recovery port 3) communicates with a recovery pipe 23 for air conveyance, and the residue discharged by opening the recovery shutter 2 at each residue discharge port 3 can be recovered outside the apparatus through the recovery pipe 23. Among them, there is known one provided with an operation tool 4 that is switched to a part of the collection shutters 2 and all of the shutters 2 to open and close (see Patent Document 1).

JP 2004-242635 A

  In the thing of the said patent document 1, the shutter 2 for the residue discharge | emission was provided in the flow path upper side of the feeding apparatus 1 (delivery part), and the residue was discharged | emitted after opening the shutter 2. FIG. That is, in Patent Document 1, when discharging the residue of the hopper 18, it is necessary to open the shutter 2. As in Patent Document 1, a shutter is provided for each feeding device (feeding unit). When discharging the residue, there is a risk of forgetting to open or close the shutter.

  An object of the present invention is to provide an agricultural supply apparatus that does not forget to open or close a discharge channel of a residue discharged on the upper side of the channel with respect to a delivery part below the hopper.

[Configuration of the first invention]
The first invention comprises a storage part for storing agricultural supplies and a delivery part for sending out agricultural supplies in the storage part, and a residue discharge port is provided at a position on the upper side than the delivery part, and the residue discharge is provided. In the agricultural supply apparatus provided so that the residue discharged from the outlet can be recovered to the outside through the residue recovery cylinder, a discharge flow path that leads from the residue discharge port to the residue recovery cylinder in the installation posture of the storage section Is closed and when the reservoir is tilted about the horizontal axis, the discharge channel is in communication with the residue collection cylinder, and the residue in the reservoir located higher than the residue collection cylinder An article is configured to flow down into the residue collecting cylinder through the discharge channel.

[Operation of the first invention]
When discharging the residue in the storage part to the residue collection cylinder, the storage part is positioned higher than the residue collection cylinder so that the residue in the storage part is discharged from the storage part and the residue discharge port by its own weight. It is discharged without difficulty to the residue collection cylinder.
According to the first aspect of the invention, by tilting the storage portion around the horizontal axis, the storage portion is positioned higher than the residue collection cylinder, and the discharge flow path leading from the storage portion to the residue collection cylinder is in communication. Thus, the residue in the reservoir can be recovered from the discharge channel from the discharge channel. In this way, by tilting the storage part, the posture is appropriate for discharging the residue (position in which the storage part is positioned higher than the residue collection cylinder and the residue can easily flow down the discharge channel). While changing the posture of the reservoir, the state of communication between the discharge channel and the residue collection cylinder can be revealed and the residue in the reservoir can be recovered outside the apparatus.

[Effect of the first invention]
According to the first aspect of the present invention, when the agricultural supply remaining in the storage unit is collected by maintenance inspection or the like, there is no need to manually open and close the shutter, and the storage unit is By simply tilting around the center, the reservoir can be positioned higher than the residue collection cylinder and the communication state between the discharge channel and the residue collection cylinder can be revealed, and the reservoir is returned to the original installation posture. As a result, the discharge channel can be closed, so that it is possible to prevent forgetting to open or close the discharge channel. Therefore, the maintenance of the storage part can be performed efficiently, and the waste of agricultural supplies is not generated because the discharge channel is not forgotten to be closed during the work.

[Configuration of the second invention]
According to a second aspect of the present invention, in the configuration of the first aspect, an opening communicating with a residue discharge port is formed on an outer periphery of the residue recovery cylinder, and the opening of the residue recovery cylinder is closed in an installation posture of the storage unit, When the storage portion is tilted around the horizontal axis, the storage portion and the residue collection cylinder are rotated relative to each other, the opening is opened, and the discharge passage is in communication with the residue collection cylinder. It is configured.

[Operation and effect of the second invention]
According to the second invention, an opening is formed on the outer periphery of the residue collection cylinder without providing a valve opening / closing mechanism such as a shutter or an on-off valve in the discharge flow path between the storage portion and the residue collection cylinder. Opening tilts the storage part to rotate the residue collection cylinder and the storage part (the discharge flow path formed from the residue discharge port of the storage part toward the residue collection cylinder), thereby collecting the residue. A state where the opening formed in the cylinder communicates with the discharge flow path (open state) can appear, and a state where the opening does not communicate with the discharge flow path (closed state) can appear by returning the storage portion to the installation posture. In this way, the residue collection cylinder has a simple structure in which an opening is provided to allow the discharge channel to communicate with the residue collection cylinder when the storage portion is tilted from the installation posture to the residue discharge posture. I forgot to forget to open and close the road.

  According to the second aspect of the present invention, the residue collection cylinder is relatively rotated by tilting the storage section, and an open state in which the opening formed in the residue collection cylinder communicates with the residue discharge port; By returning to the installation posture, the residue collecting cylinder relatively rotates and switches to a closed state in which the opening is closed. Thereby, it is not forgotten to forget to open or close the opening. Therefore, the maintenance of the storage section can be performed efficiently, and since the opening is not forgotten to be closed during the work, the agricultural supplies are not wasted.

[Configuration of the third invention]
According to a third invention, in the configuration of the first invention or the second invention, a plurality of the delivery parts and the residue discharge ports are provided, and the plurality of residue discharge ports are connected in parallel to the residue collection cylinder.

[Operation and effect of the third invention]
According to the third aspect of the invention, in conjunction with the tilting of the storage section, the flow path of the plurality of residue discharge ports communicates with the residue collection cylinder and switches between an open state and a closed closed state. Even if a large number of flow paths are formed so as to be connected to the residue collection cylinder, forgetting to open or close the flow paths does not occur.

[Configuration of the fourth invention]
According to a fourth aspect of the present invention, in the configuration of any one of the first to third aspects of the present invention, a screw for transferring the residue into the residue collection cylinder is provided.

[Effects of the fourth invention]
According to the fourth invention, the residue discharged into the residue collection cylinder is forcibly transferred by the screw. Accordingly, the discharged residue can be reliably recovered through the residue recovery cylinder, and can be reliably and rapidly recovered as compared with the discharge by natural fall.

[Configuration of the fifth invention]
According to a fifth aspect of the present invention, in the configuration of the fourth aspect of the invention, the conveyance pitch on the lower conveyance side is made longer than the upper conveyance side of the screw.

[Effects of the fifth invention]
When a plurality of outlets and a plurality of residue outlets corresponding to the plurality of outlets are provided, and a plurality of openings capable of communicating with the plurality of residue outlets are formed in the residue collection cylinder When the residue is discharged from the residue discharge port in a state where each residue discharge port and each opening of the residue collection cylinder are in communication with each other, The lower the transport side of the cylinder, the greater the transport amount of the residue.
As in the fifth invention, if the conveyance pitch of the screw provided in the residue collecting cylinder is made longer on the conveyance lower side than on the conveyance upper side, the conveyance amount per rotation on the conveyance lower side than on the conveyance upper side can be obtained. Can do a lot. Therefore, when a plurality of residue discharge ports communicate with the residue collection cylinders corresponding to the plurality of delivery sections, the residue discharge can be recovered satisfactorily without causing clogging or stagnation.

[Configuration of the sixth invention]
6th invention is the structure of any one invention of 1st invention-5th invention, The said agricultural supply is a granular material, a powdery material, or the granular material with which both were mixed, and the said storage part is agricultural. In the hopper for storing the supply, the feeding section is constituted by a feed roll for feeding the agricultural feed provided on the lower side of the hopper.

[Effects of the sixth invention]
According to the sixth aspect of the invention, when supplying the agricultural supply housed in the hopper to the field, when the supply roll is rotated, the agricultural supply is supplied by the rotation of the supply roll and supplied to the field. When the supply work for agricultural supplies to the field is completed and the residue in the hopper is discharged, the hopper is tilted around the horizontal axis so that the hopper is positioned higher than the residue collection cylinder. The residue flows down into the residue collection cylinder through the discharge channel, and in conjunction with this, the residue collection cylinder opens to collect the residue and collect the residue through the residue collection cylinder. it can.

[Configuration of the seventh invention]
A seventh invention is a strength member according to any one of the first to sixth inventions, wherein the residue collection cylinder supports the storage part and the delivery part.

[Effects of the seventh invention]
Since the residue collection cylinder also serves as a strength member that supports the storage portion and the delivery portion, the dedicated support member and the number of parts can be reduced. Therefore, the structure can be simplified and the productivity can be improved.

It is a side view of the whole riding type rice transplanter with a fertilizer application apparatus. It is a top view of the riding type rice transplanter with a fertilizer application whole. It is a rear view of a fertilizer applicator. It is a side view of a fertilizer applicator. It is a vertical side view of a fertilizer supply part. It is a partially vertical side view which shows the closed state of the residue collection cylinder of a fertilizer application apparatus. It is a partial vertical side view which shows the open state of the residue collection cylinder which rocked the fertilizer. (A), (b) is the schematic which shows the screw in a residue collection | recovery cylinder. It is a partial vertical side view which shows the state of the installation attitude | position of the fertilizer application of another embodiment.

Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings.
[Overall configuration of riding rice transplanter]
As shown in FIG. 1, an engine 13 and a transmission case are disposed on the front side of a vehicle body frame 10 of a traveling machine body 8 having a pair of left and right front wheels 11 that can be steered and a pair of left and right rear wheels 12 that cannot be steered. 14, a steering unit 15 equipped with a steering handle or the like and a driver's seat 16 are provided at the front and rear central portions of the traveling machine body 8. Is arranged.
A driving unit step 17 having a substantially flat step portion is provided on both the left and right sides of the engine 13, between the control unit 15 and the driving seat 16, and on the left and right sides of the driving seat 16. On the outer side of the step 17, preliminary seedling stands 18 are disposed at the left and right positions facing the positions where the engine 13 is disposed.
A link mechanism 19 having a lift cylinder 19a is connected to the rear of the traveling machine body 8 so as to be movable up and down, and a seedling planting device 9 which is an example of a working device is attached to the link mechanism 19, and the fertilizer 3 is installed. A riding type rice transplanter, which is an example of an applied agricultural machine, is constructed.

[Seedling planting equipment]
The seedling planting device 9 is configured in six-row planting, and includes three planting transmission cases 40, a rotating case 41 that is rotatably supported on the left and right sides of the planting transmission case 40, and both ends of the rotating case 41. It is constituted by a pair of planting claws 42 to be deployed, three grounding floats 43, a seedling table 44 and the like.

[Fertilizer]
The fertilizer applicator 3 sends out a hopper 1 that is an example of a transparent resin storage section that stores fertilizer (an example of agricultural supplies) and a fertilizer (agricultural supplies) that is disposed below the hopper 1. 4 and the fertilizer feeding part 2 as a part, and these hopper 1 and the fertilizer feeding part 2 are the rear part of the traveling body 8 near the rear side of the driver's seat 16, as shown in FIGS. Are supported by a support frame 22 provided on the upper portion of the vehicle body frame 10.

  The support frame 22 includes a pair of left and right blower support plates 22a erected on the pair of left and right main frames 10A of the vehicle body frame 10, a column 22b erected above the blower support plate 22a, and a left and right column 22b. And a frame 22c spanned on the upper end side of the blower. The rear end side of the blower support plate 22a is connected to one end side of a link mechanism 19 for mounting the seedling planting device 9 so as to be movable up and down. Yes.

  As shown in FIG. 5 and FIG. 6, the fertilizer feeding unit 2 is provided with a feeding roll 23 in which a large number of recesses 23 a for fertilizer entry are formed on the outer periphery along the circumferential direction of the fertilizer residue discharge port 4 of the hopper 1. It is rotatably arranged below and above the funnel portion 24. In addition, the code | symbol 23b in a figure is a brush which slidably contacts with the surrounding surface of the supply roll 23, and acts by grinding.

As shown in FIGS. 3 and 4, the fertilizer feeding unit 2 extends rearward so as to transmit power from the mission case 14 to the seedling planting device 9, and is a crankshaft that takes out the power laterally from the PTO shaft 70. The reciprocating motion of the linkage rod 72 due to the rotational motion of 71 is converted into rotational motion by the one-way clutch 73 and is driven by the power of the feeding drive device 74 configured to transmit to the drive shaft 26 via the transmission shaft 25.
As a result, as shown in FIGS. 3 to 5, the fertilizer enters the recess 23 a of the feed roll 23 from the hopper 1, and the fertilizer is fed to the funnel portion 24 by the intermittent rotation of the drive shaft 26. And the high pressure wind from the electric blower 30 of the wind raising means 29 mentioned later is supplied to the branch discharge pipe 34 connected under the funnel part 24 via the ventilation duct 31, and a fertilizer is flexible by a high pressure wind. The fertilizer is quickly supplied to the grooving device 45 through the sex conveyance hose 46, and fertilizer is fed into the groove formed on the paddy surface by the grooving device 45 to perform the fertilizing operation.

  As shown in FIGS. 3, 5, and 6, a fertilizer residue discharge port 4 is formed on the lower rear side of the hopper 1 on the upper side of the feeding roll 23 constituting the fertilizer feeding unit 2. The residue discharge port 4 is connected to a residue collection cylinder 5 constituting the fertilizer discharge flow path a so as to be able to communicate therewith. The residue collection cylinder 5 is disposed in proximity to the hopper 1. As shown in FIGS. 3 and 6 to 8, a fertilizer conveying screw 35 is built in the residue collecting cylinder 5. A handle 37 is attached to the screw shaft 36 on the start end side of the screw 35, and a short discharge cylinder 38 for discharging the residue is attached to a lower portion on the terminal end side of the screw 35. The residue discharged from the discharge tube 38 is collected in the bag 39.

  As shown in FIG. 8A, the residue collecting cylinder 5 is configured by connecting two cylinders. The screw 35 provided in the residue collecting cylinder 5 is made of synthetic resin and is connected by connecting a screw having a predetermined length, and the conveying pitch of the screw 35 extends over the entire length of the screw 35. It is formed uniformly.

  An opening 6 that can communicate with the residue discharge port 4 is formed at a connection portion of the residue collection cylinder 5 with the residue discharge port 4. The opening 6 is closed in the installation posture of the hopper 1, and when the hopper 1 is tilted rearward and upward around the horizontal axis P, the residue collection cylinder 5 moves downward around the horizontal axis P, and the hopper 1 Is positioned higher than the residue collection cylinder 5, and the discharge flow path b is inclined so that the residue in the hopper 1 naturally flows into the residue collection cylinder 5, and the hopper 1 and the residue collection cylinder 5 Are rotated relative to each other, and the opening 6 is opened, and the discharge passage b leading from the residue discharge port 4 of the hopper 1 to the residue collection cylinder 5 is brought into a communication state.

  As shown in FIGS. 4, 6, and 7, a bracket 48 in which a pin hole 47 is formed is fixed to the upper end of a support 22 b at the top of the support frame 22, and a pin hole 49 is formed in a horizontally long frame 22 c that supports the hopper 1. The bracket 50 is fixed, and the pin 51 is inserted into the pin hole 47 of the bracket 48 and the pin hole 49 of the bracket 50 so that the hopper 1 can be rotated around the horizontal axis P of the pin 51.

  An upper U-shaped receiving portion 22e is formed at the upper end of the upper support column 22d on the front side of the support frame 22. The receiving portion 22e receives and supports the front and rear frames 22f extending forward from the horizontally long frame 22c. It is. A locked portion 57 is provided on the front and rear frames 22f, and a fastening hook 58 is attached to the front upper column 22d. When the hopper 1 is installed, the fastening hook 58 is hooked on the locked portion 57 and the hopper 1 is fixed.

  A bracket 60 having a long hole 59 formed vertically is fixed rearward from the upper support 22b on the rear side of the support frame 22, and the upper end of a bar 61 such as an L-shaped round bar or flat bar is left as a residue. It is fixed to the outer peripheral surface of the collection cylinder 5, the lower end 62 is engaged with the elongated hole 59, and a stopper (not shown) is provided at the end of the bar 61.

  A tube holding front half 63 having a semicircular cross section in which a rectangular tube 63a connected to the residue discharge port 4 is formed is fixed on the outer surface of the hopper 1 corresponding to the residue discharge port 4. A residue discharge passage b is formed inside the body 63a. Corresponding to the cylinder holding front half part 63, a cylinder holding rear half part 64 having a semicircular cross section is provided. The cylinder holding front half part 63 and the cylinder holding rear half part 64 are respectively provided with flanges 63b and 64a formed vertically. By connecting with the bolt 65, the residue collecting cylinder 5 is supported so as to be rotatable along the inner peripheral surfaces of the cylinder holding front half part and the latter half parts 63 and 64.

When cleaning the inside of the hopper 1, the residue in the hopper 1 is discharged. The residue in the hopper 1 is discharged by the following procedure.
From the state shown in FIG. 6, the fastening hook 58 is operated to disengage the engaged portion 57, and the hopper 1 is moved upward and backward (clockwise) about the horizontal axis P as shown in FIG. When tilted 45 degrees, the residue collecting cylinder 5 descends while moving backward about the horizontal axis P, and assumes a discharge posture in which the discharge flow path b of the rectangular tube 63a is inclined obliquely downward. In this process, the lower end portion 62 of the bar 61 fixed to the residue collection cylinder 5 descends along the long hole 59, so that the residue collection cylinder 5 is restricted from rotating, and is rotated clockwise from the installed state. Rotate about 15 degrees. On the other hand, since the hopper 1 rotates 45 degrees clockwise at this time, as a result, the residue collection cylinder 5 relatively rotates about 30 degrees clockwise with respect to the hopper 1. The opening 6 automatically opens and communicates with the discharge channel b formed in the rectangular tube 63.

  That is, in the installation posture of the hopper 1, the discharge flow path b leading from the residue discharge port 4 to the residue collection cylinder 5 is closed, and the discharge flow path b is linked to tilting the hopper 1 around the horizontal axis P. Is provided with a linkage mechanism 67 that is opened in a communication state. The linkage mechanism 67 includes a long hole 59 formed in the bracket 60, and a bar 61 in which the lower end 62 is engaged with the long hole 59 and the upper end is fixed to the residue collecting cylinder 5. The hopper 1 and the residue discharge cylinder 5 are rotated relative to each other in response to the hopper 1 being tilted around the horizontal axis P via the linkage mechanism 67 so that the opening 6 is automatically opened and closed. .

As shown in FIG. 3 and FIG. 8A, a plurality of fertilizer feeding sections 2 and residue discharge ports 4 are provided in the left and right lateral directions with respect to the lower portion of the hopper 1, and the plurality of residue discharge ports 4 are provided. The residue collecting cylinder 5 is connected in parallel.
The manure residue discharged from the hopper 1 is operated by operating a handle 37 attached to one end of the screw shaft 36 in a state where the hopper 1 and the residue collecting cylinder 5 are communicated with each other via the discharge channel b. Is discharged from the discharge tube 38, and the residue is collected in the bag 39 received below.

  When the hopper 1 is returned from the state shown in FIG. 7, the hopper 1 is rotated counterclockwise around the horizontal axis P to return to the installation posture shown in FIG. In the process of returning from the installation posture to the opening posture, the opening 6 is also automatically closed.

[Winding means]
The wind raising means 29 for conveying the fertilizer delivered from the fertilizer application device 3 to the field on the seedling planting device 9 side by wind force is configured as follows.
As shown in FIG. 1 to FIG. 4, an electric blower 30 supported across a pair of left and right blower support plates 22 a and an air duct 31 for introducing outside air into the electric blower 30 and flowing the conveying air are provided. The air duct 31 is connected to an intake pipe 32 for introducing and supplying outside air to the electric blower 30 and an outlet pipe side of the electric blower 30, and wind generated by the electric blower 30 is supplied to each funnel portion 24. And a pipe-like air supply pipe 33 for supplying to the branch discharge pipe 34 below. The intake pipe 32 has a proximal end connected to an intake portion 30 a facing the vehicle body laterally of the electric blower 30.

  The air supply pipe 33 connected to the exhaust part 30b side of the electric blower 30 is connected to the bifurcated branch connection pipe 33A whose downstream side is branched to the left and right, and to the end of the branch connection pipe 33A, and is disposed laterally to the vehicle body. A plurality of branch discharge pipes 34 are provided at a plurality of locations in the longitudinal direction of the lateral air supply pipe 33B for sending fertilizer to each fertilizer supply location of the seedling planting device 9. ing.

The exhaust portion 30b of the electric blower 30 and the proximal end portion of the bifurcated branch connection pipe 33A of the air supply pipe 33 are connected by a flexible bellows pipe 75.
Thereby, in the installation posture of the hopper 1, the bellows tube 75 is in a contracted state, and when the hopper 1 is tilted around the horizontal axis P, the bellows tube 75 is extended, and the air feeding tube 33 is not removed. Maintenance of the hopper 1 can be performed.

[Another embodiment]
(1) In FIG. 9, the residue collection cylinder 5 is fixed to the upper end of the rear column 22 b in the support frame 22 that supports the fertilizer application 3, and the residue collection cylinder 5 is fixed to the hopper 1 and the fertilizer supply unit of the fertilizer application 3. 2 also serves as a strength member for supporting 2.
The residue collecting cylinder 5 includes a screw 35 as in the above embodiment. The residue collection cylinder 5 is fitted with a cylinder holding portion 76 for rotatably supporting the fertilizer application device 3, and the cylinder holding portion 76 has a discharge passage b for discharging the residue of the hopper 1. And the rear ends of the front and rear frames 22 that support the hopper 1 and the fertilizer feeding portion 2 are connected to the cylindrical portion 76b of the cylindrical holding portion 76. The hopper 1 and the feeding portion 2 are rotatable around the horizontal axis P of the cylinder portion 76b (the horizontal axis P coincides with the axis of the screw shaft 36), and the hopper 1 is rotated 45 degrees. Thus, the residue collecting cylinder 5 is formed on the outer peripheral surface so that the opening 6 communicating with the discharge channel b formed inside the rectangular cylinder 76a is fully opened. The residue discharge port (start end opening of the discharge flow path b) of the hopper 1 is formed in the rear wall of the supply unit 2 in the vicinity immediately above a supply roll (not shown).

Cleaning and maintenance of the hopper 1 are performed by discharging the residue in the hopper 1. The residue in the hopper 1 is discharged by the following procedure.
From the state shown in FIG. 9, the fastening hook 58 is operated to disengage from the engaged portion 57, the front and rear frames 22f are lifted, and the hopper 1 is rearward and upward around the horizontal axis P (clockwise in FIG. 9). Tilt to 45 degrees. The residue collection cylinder 5 is fixed to the support column 22b, and when the hopper 1 is lifted, the discharge channel b of the rectangular cylinder 76a becomes a discharge posture inclined obliquely downward, and the opening 6 of the residue collection cylinder 5 is opened. It opens and is in communication with the discharge channel b formed in the rectangular tube 76a.

A plurality of fertilizer feeding sections 2 and residue discharge ports 4 are provided in the lateral direction, and the plurality of residue discharge ports 4 are connected in parallel to the residue collection cylinder 5.
In a state where the hopper 1 and the residue collection cylinder 5 communicate with each other through the discharge channel b, the residue is discharged and collected by operating the handle provided with the screw shaft 36 as in FIG.

  When the agricultural supply apparatus is a granular material supply apparatus, if the discharge flow path b which discharges the residue in the storage section is better than the feed roll 23, the hopper 1 as in the other embodiment described above. May be lower.

(2) As the conveyance pitch of the screw 35, the conveyance pitch on the lower conveyance side (the discharge cylinder 38 side) may be formed longer than the upper conveyance side of the screw 35 as shown in FIG. In FIG. 8B, the pitch is continuously changed so that the transport pitch gradually becomes longer toward the lower transport side. In FIG. 8B, four discharge flow paths b from the hopper 1 are formed. If the same amount is discharged from each discharge channel b at the same time, the residue in the residue collection cylinder 5 is based on the discharge amount per rotation discharged from the opening 6 on the uppermost side (handle 37 side). (1 times), the discharge amount is 2 times, 3 times, and 4 times at the place where the second, third, fourth, and fourth openings 6 are joined. The length may be increased in the order of double length, triple length, and quadruple length.

(3) The means for rotating the screw 35 may be constituted by a driving means such as a belt transmission means provided with a clutch or an electric motor.

(4) Agricultural supplies may be liquid fertilizers, liquid herbicides or other chemicals. In this case, when the tank is used as a storage part, the delivery pump is used as a delivery part, a drain opening / closing valve is provided at the lower part of the tank, and the tank is tilted to a discharge posture for discharging the residue to the drain opening / closing valve. A linkage mechanism that opens the drain on-off valve is provided to open the drain on-off valve in conjunction with tilting the tank to the discharge posture, and the residue in the tank is discharged through the residue collecting cylinder. You may comprise as follows.

  In addition to fertilizers, the present invention provides powder fertilizers such as herbicides, powder or granules, powder fertilizers for spraying chemicals mixed with grains, or liquid fertilizers for supplying liquid fertilizers such as seeding devices for direct sowing of seedlings. It may be a supply device or a liquid medicine supply device for supplying a liquid medicine. The powder supply devices such as the fertilizer application device, the drug application device, and the seeding device, and the liquid supply devices such as the liquid fertilizer supply device and the liquid medicine supply device are collectively referred to as an agricultural supply device.

  As the seeding device, a device dedicated to seeding that does not include a seedling planting device may be used, and other powder body supply devices and liquid supply devices may be configured as dedicated devices.

1 Hopper (reservoir)
2 Fertilizer feeding part (feeding part)
4 Residue outlet 5 Residue collection cylinder 6 Opening 35 Screw b Discharge flow path P Horizontal axis

Claims (7)

A storage section for storing agricultural supplies; and a delivery section for sending out agricultural supplies in the storage section; a residue outlet is provided at a position on the upper side of the delivery section, and the residue is discharged from the residue outlet. In the agricultural supply device provided to allow the residue to be collected outside the machine through the residue collection cylinder,
When the storage section is installed, a discharge flow path leading from the residue discharge port to the residue collection cylinder is closed, and when the storage section is tilted around a horizontal axis, the discharge flow path becomes the residue collection It is configured such that the residue in the storage portion positioned higher than the residue collection cylinder flows into the residue collection cylinder through the discharge flow path, in communication with the cylinder. Agricultural supply device characterized.   An opening communicating with the residue discharge port is formed on the outer periphery of the residue collection cylinder, the opening of the residue collection cylinder is closed in the installation posture of the storage section, and the storage section is tilted around the horizontal axis. 2. The agricultural supply according to claim 1, wherein the storage section and the residue collection cylinder are rotated relative to each other so that the opening is opened and the discharge channel is in communication with the residue collection cylinder. apparatus.   The agricultural supply apparatus according to claim 1 or 2, wherein a plurality of the delivery sections and the residue discharge ports are provided, and the plurality of residue discharge ports are connected in parallel to the residue collection cylinder.   The agricultural supply apparatus as described in any one of Claims 1-3 provided with the screw which transfers a residue in the said residue collection cylinder.   The agricultural supply apparatus according to claim 4, wherein the conveyance pitch on the conveyance lower side is made longer than the conveyance upper side of the screw.   Agricultural supply wherein the agricultural supply is a granular material, a powdery material, or a mixed powder of both, the storage part is a hopper for storing the agricultural supply, and the delivery part is provided below the hopper The agricultural supply apparatus as described in any one of Claims 1-5 comprised by the supply roll which pays out a supply.   The agricultural supply apparatus according to any one of claims 1 to 6, wherein the residue collection cylinder is a strength member that supports the storage unit and the delivery unit.

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