JP7081764B2 - Crop harvester - Google Patents

Description

The present invention relates to a crop harvester that harvests crops in a field.

Some green soybean harvesters, which are an example of crop harvesters, have a configuration as disclosed in Patent Document 1. In Patent Document 1, a harvesting section for harvesting crops in a field, a transporting body for holding the crops harvested by the harvesting section in a lying position and transporting them to the rear side, and a separating section arranged on the right side of the transporting body. Is provided.

In Patent Document 1, a rotating body that is rotationally driven around an axis in a direction intersecting the carrier in a plan view is provided in the separated portion. As the crop is transported by the carrier, the rotating rotating body hits the crop, and the fruit is separated and collected from the crop.

Japanese Unexamined Patent Publication No. 2000-201519

In a crop harvester as in Patent Document 1, if the separation action of the separation part is only applied to a specific part of the crop, not all the fruits can be separated from the crop, and the fruits that are not separated into the crop remain. there is a possibility.

INDUSTRIAL APPLICABILITY According to the present invention, in a crop harvester in which a crop harvested by a harvesting unit is transported in a sideways posture by a transporter and the fruit is separated from the crop by a separating unit and collected, the performance of separating and collecting the fruit of the crop is improved. The purpose is to improve.

The crop harvester of the present invention
The harvesting department that harvests the crops in the field,
An endless lower carrier that is rotationally driven around the horizontal axis,
An upper carrier that is arranged along the upper side of the lower carrier and is rotationally driven around a lateral axis so that a portion facing the lower carrier moves in the same direction as the lower carrier.
A separation portion arranged on the side of the lower carrier and the upper carrier is provided.
The root of the crop harvested by the harvesting section is sandwiched between the lower carrier and the upper carrier in a sideways posture, and the lower carrier and the upper carrier are rotationally driven. The crops are transported, and the fruits are separated and collected from the transported crops by the separation section.
A speed difference is provided between the rotation speed of the lower carrier and the rotation speed of the upper carrier .
In the portion where the lower carrier and the upper carrier face each other, the lower carrier and the upper carrier do not come close to each other beyond a predetermined vertical interval set in advance. A lower positioning unit for determining a position and an upper positioning unit for determining the position of the upper carrier are provided.

According to the present invention, the root of the crop in the sideways posture is sandwiched between the lower carrier and the upper carrier, and the lower carrier and the upper carrier are rotationally driven to transport the crop. , A speed difference is provided between the rotation speed of the lower carrier and the rotation speed of the upper carrier. For example, the rotation speed of the upper carrier is set to be slightly lower (slightly higher) than the rotation speed of the lower carrier.

As a result, in addition to the crop being transported by the lower carrier and the upper carrier, the lateral axis passing through the stem of the crop due to the speed difference between the rotational speed of the lower carrier and the rotational speed of the upper carrier. The crop rotates around the core.
As mentioned above, when the crop rotates, the separation action of the separation part is applied to each part of the crop, so that it can be separated from the crop without leaving fruit, and the separation of the fruit of the crop and The recovery performance can be improved.

In a state where the lower carrier and the upper carrier are rotationally driven so that a speed difference occurs between the rotational speed of the lower carrier and the rotational speed of the upper carrier, for example, the lower carrier and the upper carrier Upon contact, the lower carrier and the upper carrier may be damaged due to the speed difference described above.

According to the present invention, by providing a lower positioning unit and an upper positioning unit that determine the positions of the lower transport body and the upper transport body so that the lower transport body and the upper transport body do not approach each other beyond a predetermined vertical interval. It is possible to avoid a state in which the lower carrier and the upper carrier come into contact with each other and are damaged.

The crop harvester of the present invention
The harvesting department that harvests the crops in the field,
An endless lower carrier that is rotationally driven around the horizontal axis,
An upper carrier that is arranged along the upper side of the lower carrier and is rotationally driven around a lateral axis so that a portion facing the lower carrier moves in the same direction as the lower carrier.
A separation portion arranged on the side of the lower carrier and the upper carrier is provided.
The root of the crop harvested by the harvesting section is sandwiched between the lower carrier and the upper carrier in a sideways posture, and the lower carrier and the upper carrier are rotationally driven. The crops are transported, and the fruits are separated and collected from the transported crops by the separation section.
A speed difference is provided between the rotation speed of the lower carrier and the rotation speed of the upper carrier.
In the portion where the lower carrier and the upper carrier face each other, one of the lower carrier and the upper carrier has a bent portion that bends to a side away from the other of the lower carrier and the upper carrier. And, an urging mechanism for urging the bent portion to the other side of the lower carrier and the upper carrier is provided .

According to the present invention, the root of the crop in the sideways posture is sandwiched between the lower carrier and the upper carrier, and the lower carrier and the upper carrier are rotationally driven to transport the crop. , A speed difference is provided between the rotation speed of the lower carrier and the rotation speed of the upper carrier. For example, the rotation speed of the upper carrier is set to be slightly lower (slightly higher) than the rotation speed of the lower carrier.
As a result, in addition to the crop being transported by the lower carrier and the upper carrier, the lateral axis passing through the stem of the crop due to the speed difference between the rotational speed of the lower carrier and the rotational speed of the upper carrier. The crop rotates around the core.
As mentioned above, when the crop rotates, the separation action of the separation part is applied to each part of the crop, so that it can be separated from the crop without leaving fruit, and the separation of the fruit of the crop and The recovery performance can be improved.
When the root of the crop is sandwiched between the lower carrier and the upper carrier, the lower carrier or the upper carrier bends at the portion of the crop root.
According to the present invention, for example, when the upper carrier is configured to bend upward due to the origin of the crop, the bent portion of the upper carrier is urged to the lower side (lower carrier side) by the urging mechanism. For example, when the lower carrier is configured to bend downward by the stock of the crop, the bent portion of the lower carrier is urged to the upper side (upper carrier side) by the urging mechanism.
As a result, the lower carrier and the upper carrier can surely pinch the root of the crop, and the certainty of the transport of the crop can be improved.

In the present invention
In the separation portion, an upper rotating body that is rotationally driven around the upper shaft core in a direction intersecting the lower carrier and the upper carrier in a plan view, and an upper rotating body that is rotationally driven around the upper shaft core and along the upper shaft core below the upper shaft core. A lower rotating body that is rotationally driven is provided around the lower shaft core.
It is preferable that the crop to be transported passes between the upper rotating body and the lower rotating body, and the fruit is separated from the crop by hitting the crop with the upper rotating body and the lower rotating body.

According to the present invention, in the separation portion, a sideways up-rotating body and a down-rotating body are provided, and the crop in the sideways posture passes between the up-rotating body and the down-rotating body, and is on the upper side of the crop in the sideways posture. The upper rotating body hits, and the lower rotating body hits the underside of the crop in a sideways posture.
In the above-mentioned state, when the crop rotates around the lateral axis passing through the stem of the crop, it is possible to obtain a state in which the upper rotating body and the lower rotating body evenly hit each part of the crop. It becomes possible to separate without leaving, and it is possible to improve the separation and recovery performance of crop fruits.

In the present invention
The lower-carrying body and the upper-carrying body-side portion of the upper-rotating body and the lower-rotating body are more than the parts of the upper-rotating body and the lower-rotating body on the opposite side of the lower-carrying body and the upper-carrying body. The upper rotating body and the lower rotating body are arranged so as to be inclined in a plan view with respect to the lower transport body and the upper transport body so as to be located on the transport start end side of the lower transport body and the upper transport body. Being done
The upper rotating body and the lower rotating body push the crop passing between the upper rotating body and the lower rotating body toward the lower transport body and the transport start end portion of the upper transport body. And it is preferable that the rotation direction of the lower rotating body is set.

According to the present invention, when the upper rotating body and the lower rotating body hit the crop passing between the upper rotating body and the lower rotating body, the root of the crop is sandwiched between the lower and upper transport bodies. A component force is generated to pull out the crop from the stock origin side (lower transport body side and upper transport body side) toward the upper side.
As a result, the crop is not compressed to the root side and buckled and bent, and the fruit can be separated from the crop without difficulty.

It is a left side view of the edamame harvester. It is a top view of the edamame harvester. It is a cross-sectional plan view in the vicinity of the first lower rotating body and the second lower rotating body of the rear part of a harvesting part and a separation part. It is a left side view of the lower carrier, the upper carrier, and the urging mechanism. It is a left side view near the rear part of the harvesting part, the transporting start portion of the lower transport body and the upper transport body, the front part of the urging mechanism, and the posture changing part. It is sectional drawing of the 1st upper rotating body (the second upper rotating body) and the 1st lower rotating body (the second lower rotating body). It is a perspective view of the vicinity of the transport start end portion of the lower transport body and the upper transport body. It is an exploded perspective view of the lower carrier and the upper carrier. It is an exploded perspective view of the urging mechanism. It is a vertical sectional left side view of the lower carrier, the upper carrier, and the urging mechanism. It is a vertical sectional rear view of a lower carrier, an upper carrier, and an urging mechanism. It is a vertical sectional left side view of the lower carrier, the upper carrier, and the urging mechanism showing the sandwiched state of the crop.

1 to 12 show an example of a crop harvester, a green soybean harvester.
In FIGS. 1 to 12, F indicates the "forward direction" of the aircraft 1, B indicates the "rear direction" of the aircraft 1, U indicates the "upward" of the aircraft 1, and D indicates the "downward" of the aircraft 1. "Direction" is shown. R indicates the "right direction" of the aircraft 1, and L indicates the "left direction" of the aircraft 1.

(Overall composition of edamame harvester)
As shown in FIGS. 1 and 2, the machine body 1 is supported by the right and left crawler type traveling devices 2, and the harvesting part 3 is provided on the left side of the front part of the machine body 1, and the front part of the machine body 1 is provided. A driving unit 4 is provided on the right side of the unit.

A separation portion 5 is provided at the rear portion of the machine body 1, and a lower transport body 9 and an upper transport body 10 are provided on the left side of the separation portion 5. A support base 6 and a work deck 7 are provided on the right side of the machine body 1, and a collection box 17 is placed on the support base 6.

(Structure of harvesting department)
As shown in FIGS. 1, 2, and 3, in the front portion of the harvesting portion 3, the right and left driven pulleys 45 are rotatably supported around the axis P1 along the diagonal vertical direction. In the rear part of the harvesting part 3, the right and left drive pulleys 46 are rotatably supported around the axis P2 along the diagonal vertical direction. The shaft core P1 and the shaft core P2 are parallel to each other.

A rubber belt-made right carrier 8 is attached to the right driven pulley 45 and the right drive pulley 46. A rubber belt-made left carrier 8 is attached to the left driven pulley 45 and the left drive pulley 46.

The right and left carriers 8 are aligned over the entire length of the harvesting section 3. A large number of rollers 47 are rotatably supported by the harvesting portion 3, and the rollers 47 support the opposite side of the mating portion (the sandwiching portion of the crop A) of the carrier 8. Right and left dividers 48 and subsoilers 49 are attached to the front of the harvesting section 3.

The harvesting part 3 is supported along the front-rear direction on the left part of the front part of the aircraft 1 in a slanted posture in a side view so that the front part of the harvesting part 3 is on the lower side and the rear part of the harvesting part 3 is on the upper side. Has been done.
In the transport body 8, the vicinity of the driven pulley 45 is the transport start end portion 8a, and the vicinity of the drive pulley 46 is the transport end portion 8b. As a result, the right and left transport bodies 8 are linearly extended toward the rear side on the diagonally upper side without being twisted from the transport start end portion 8a to the transport end portion 8b of the transport body 8. There is.

(Structure of separation part)
As shown in FIGS. 1, 2, and 3, the separating portion 5 is provided on the machine body 1. In the separating portion 5, the first upper rotating body 11 (corresponding to the upper rotating body), the first lower rotating body 12 (corresponding to the lower rotating body), the second upper rotating body 21 (corresponding to the upper rotating body), and the second lower A rotating body 22 (corresponding to a lower rotating body) is provided.

In the separation unit 5, a recovery conveyor 13 is provided along the front-back walking on the lower side of the first upper rotating body 11, the first lower rotating body 12, the second upper rotating body 21, and the second lower rotating body 22. ..
A conveyor 14 is provided on the lower side of the rear part of the collection conveyor 13 along the left-right direction, and a discharge conveyor 15 is provided on the rear side from the rear part of the collection conveyor 13 at a predetermined interval. The wall insert 16 is provided on the conveyor belt.

As shown in FIG. 3, wall portions 43 and 44 are provided on the right side of the separation portion 5. The wall portion 43 is arranged in the front-rear direction in a plan view, and the wall portion 44 is arranged diagonally so as to intersect the front-rear direction in a plan view. A wall portion 29 is provided on the left side of the separation portion 5. The wall portion 29 is arranged in the front-rear direction in a plan view, and an opening 29a (see FIG. 11) along the front-rear direction is provided in the wall portion 29.

(Structure of 1st upper rotating body and 1st lower rotating body, 2nd upper rotating body and 2nd lower rotating body)
As shown in FIGS. 3 and 6, in the first upper rotating body 11 (first lower rotating body 12, second upper rotating body 21 and second lower rotating body 22), the shaft portion 18 and the two striking portions 19 And are provided.

The shaft portion 18 is formed in a hexagonal shaft shape. The striking portion 19 is formed in a flat plate shape, is connected to the shaft portion 18 with a phase difference of 180 degrees from each other, and extends outward in the radial direction. A hard rubber edge 20 is attached to the outer end of the hitting portion 19.

As shown in FIG. 6, the diameter D1 of the rotation locus of the first upper rotating body 11 and the diameter D1 of the rotation locus of the first lower rotating body 12 are set to be the same. The diameter D1 of the rotation locus of the second upper rotating body 21 and the diameter D1 of the rotation locus of the second lower rotating body 22 are set to be the same, and the second upper rotating body 21 (second lower rotating body 22). The diameter D1 of the rotation locus of the above is set to be slightly smaller than the diameter D1 of the rotation locus of the first upper rotating body 11 (first lower rotating body 12).

(Arrangement of 1st upper rotating body and 1st lower rotating body, 2nd upper rotating body and 2nd lower rotating body)
As shown in FIGS. 3, 5 and 6, the first upper rotating body 11 rotatably rotates around the first upper shaft core P11 (corresponding to the upper shaft core), and the bearing 23 extends over the wall portion 44 and the wall portion 29. Is supported by.

The first lower rotating body 12 can rotate around the first lower shaft core P12 (corresponding to the lower shaft core) along the first upper shaft core P11 on the lower side of the first upper shaft core P11, with the wall portion 44. It is supported by a bearing 23 over the wall portion 29.

The second upper rotating body 21 is rotatably supported around the second upper shaft core P21 (corresponding to the upper shaft core) by a bearing 23 over the wall portion 44 and the wall portion 29.
The second lower rotating body 22 rotatably around the second lower shaft core P22 (corresponding to the lower shaft core) along the second upper shaft core P21 on the lower side of the second upper shaft core P21 with the wall portion 44. It is supported by a bearing 23 over the wall portion 29.

As shown in FIG. 3, the first upper rotating body 11 and the first lower rotating body 12 are closer to the transport starting end portion 9a (upper) of the lower transport body 9 than the second upper rotating body 21 and the second lower rotating body 22. It is arranged on the transport start end portion 10a side of the transport body 10 (see (overall configuration of the lower transport body) (overall configuration of the upper transport body) described later).

The portion of the first upper rotating body 11 and the first lower rotating body 12 on the lower conveying body 9 and the upper conveying body 10 side is the lower conveying body 9 and the upper conveying body in the first upper rotating body 11 and the first lower rotating body 12. The first upper rotating body 11 and the first lower so as to be located on the transport starting end portion 9a side (the transport starting end portion 10a side of the upper transport body 10) (front side) with respect to the portion on the opposite side of the lower transport body 9. The rotating body 12 (first upper shaft core P11 and first lower shaft core P12) is arranged so as to be inclined (crossed) with respect to the lower transport body 9 and the upper transport body 10 in a plan view.

The portion of the second upper rotating body 21 and the second lower rotating body 22 on the lower conveying body 9 and the upper conveying body 10 side is the lower conveying body 9 and the upper conveying body in the second upper rotating body 21 and the second lower rotating body 22. The second upper rotating body 21 and the second lower so as to be located on the transport starting end portion 9a side (the transport starting end portion 10a side of the upper transport body 10) (front side) with respect to the portion on the opposite side of the lower transport body 9. The rotating body 22 (second upper shaft core P21 and second lower shaft core P22) is arranged so as to be inclined (crossed) with respect to the lower transport body 9 and the upper transport body 10 in a plan view.

The second upper rotating body is larger than the angle B1 between the first upper rotating body 11 and the first lower rotating body 12 (the first upper shaft core P11 and the first lower shaft core P12) and the lower transport body 9 and the upper transport body 10. The angle B2 between the 21 and the second lower rotating body 22 (the second upper shaft core P21 and the second lower shaft core P22) and the lower transport body 9 and the upper transport body 10 is set to be large.

(Rotation direction and rotation phase of the first upper rotating body and the first lower rotating body, the second upper rotating body and the second lower rotating body)
As shown in FIG. 3, a drive shaft is connected to a portion of the shaft portion 18 of the first upper rotating body 11 (second upper rotating body 21) on the opposite side of the lower transport body 9 and the upper transport body 10 via a transmission shaft 24. 25 is connected, and by the power of the drive shaft 25, the first upper rotating body 11 (the second upper rotating body 21) is rotated in the rotation direction C1 (the crop A is the transport starting end portion 9a side of the lower transport body 9 (upper transport). It is rotationally driven (see FIG. 6) in the direction (in the direction of being pushed by the transport starting end portion 10a side) of the body 10.

A drive shaft 25 is connected to a portion of the shaft portion 18 of the first lower rotating body 12 (second lower rotating body 22) on the opposite side of the lower transport body 9 and the upper transport body 10 via a transmission shaft 24. Due to the power of the drive shaft 25, the first lower rotating body 12 (second lower rotating body 22) is rotated in the direction opposite to the rotation direction C1 (the crop A is on the transport starting end portion 9a side (upper) of the lower transport body 9). It is rotationally driven in the direction (in the direction of being pushed by the transport start end portion 10a side) of the transport body 10 (see FIG. 6).

As shown in FIG. 6, in the first upper rotating body 11 and the first lower rotating body 12, the striking portion 19 of the first upper rotating body 11 and the striking portion 19 of the first lower rotating body 12 rotate first. The rotation phase of the striking portion 19 of the first upper rotating body 11 and the striking of the first lower rotating body 12 so as to alternately pass between the body 11 and the first lower rotating body 12 (so as not to pass at the same time). The rotation phase of the unit 19 is set to be offset.

In the second upper rotating body 21 and the second lower rotating body 22, the striking portion 19 of the second upper rotating body 21 and the striking portion 19 of the second lower rotating body 22 are the second upper rotating body 21 and the second lower rotating body 21. The rotation phase of the striking portion 19 of the second upper rotating body 21 and the rotation phase of the striking portion 19 of the second lower rotating body 22 so as to alternately pass between the body 22 and the body 22 (so as not to pass at the same time). , It is set to shift.

(Structure of posture change part and dustproof cover)
As shown in FIGS. 1 and 2, a posture changing portion 62 is attached to the upper portion of the transport end portion 8b of the transport body 8.

The posture changing portion 62 is provided with a guide portion 63, an endless rotating body 64, and a claw body 65. The guide portion 63 is provided with two sets of upper side and lower side, extends to the rear side from the transport end portion 8b of the transport body 8, and is slanted to the side (right side) closer to the separation portion 5 in a plan view. Is arranged.

The power transmitted to the carrier 8 (drive pulley 46) is branched and transmitted to the endless rotating body 64, and the endless rotating body 64 is rotationally driven in the clockwise direction of FIG. The claw body 65 is attached to the endless rotating body 64 at predetermined intervals along the moving direction of the endless rotating body 64, and is rotationally driven in the clockwise direction of FIG. 2 together with the endless rotating body 64.

A dustproof cover 26 is provided so as to be located on the right side of the posture changing portion 62. The dustproof cover 26 is formed in a box shape by combining plate materials, and an opening 26a is opened on the left side of the dustproof cover 26.

The dustproof cover 26 corresponds to the entrance of the separation portion 5, and the upper part of the crop A collapses as described later (state in the harvesting portion in the flow of the entire harvest of the edamame harvester). Then, it enters the opening 26a of the dustproof cover 26, and enters the separation portion 5 from the dustproof cover 26.

(Overall configuration of the lower carrier)
As shown in FIGS. 1, 4 and 5, the drive mechanism 27 is provided with a drive sprocket 27a in which the drive mechanism 27 is supported on the left side of the machine body 1 and is rotationally driven around the axis in the left-right direction. Rotating wheels 55 and 56 are rotatably supported around the left-right axis in the front part of the left part of the machine body 1, and the rotating wheel 57 rotates around the axis in the left-right direction in the rear part of the left part of the machine body 1. It is supported freely.

The lower carrier 9 is attached to the drive sprocket 27a of the drive mechanism 27 and the rotary wheels 55, 56, 57, and the lower carrier 9 is placed in the front-rear direction on the left side of the machine body 1 (left side of the separation part 5). It is arranged along. The lower carrier 9 is rotationally driven in the clockwise direction of FIGS. 1 and 4 by the drive sprocket 27a of the drive mechanism 27.

The lower transport body 9 extends to the rear side from the transport end portion 8b of the transport body 8, and in the lower transport body 9, the portion between the rotary ring 55 and the rotary wheel 56 is the transport start end portion 9a. The vicinity of the rotary wheel 57 is the transport end portion 9b.

The front portion of the transport start end portion 9a of the lower transport body 9 (the portion of the rotary wheel 55) is arranged at a position lower than the rear portion of the transport start end portion 9a of the lower transport body 9 (the portion of the rotary wheel 56). The transport start end portion 9a of the lower transport body 9 is arranged in an obliquely upward inclined posture along the lower side of the transport end portion 8b of the transport body 8.
A portion of the lower transport body 9 extending from the rear portion of the transport start end portion 9a (the portion of the rotary wheel 56) to the transport end portion 9b is arranged in a substantially horizontal posture in a side view.

(Specific configuration of the lower carrier)
As shown in FIGS. 7 and 8, the lower carrier 9 is provided with a first portion 31, a second portion 32, a pin 34, and a collar 35.

The first portion 31 is formed in an elongated flat plate shape (link shape), and a triangular protruding portion 31a is provided in the front-rear central portion in a side view. The second portion 32 is formed in an elongated flat plate shape (link shape) like the first portion 31, and a triangular protruding portion 32a is provided in the front-rear central portion in a side view.

The front portion and the rear portion of the first portion 31 are overlapped while the first portion 31 is arranged alternately in the left-right direction. The front portion and the rear portion of the second portion 32 are overlapped while the second portion 32 is arranged alternately in the left-right direction. With the collar 35 arranged between the first portion 31 and the second portion 32, the pin 34 is inserted and the pin 34 is attached to the first portion 31 and the second portion 32.

As a result, the first portion 31 is connected by the pin 34, the second portion 32 is connected by the pin 34, and the lower carrier 9 is configured in an endless chain shape. The first portion 31 and the second portion 32 are arranged at intervals corresponding to the length of the collar 35, and the first portion 31 and the second portion 32 can be freely bent at the portion of the pin 34.

(Support configuration of lower carrier)
As shown in FIGS. 4, 7, 10 and 11, an elongated support member 30 is connected to the wall portion 29 over the position of the rotary ring 55 and the position of the rotary wheel 57, and the pin 34 in the lower carrier 9 is connected to the wall portion 29. And the collar 35 are placed on the support member 30. As a result, the portion of the lower transport body 9 extending from the rear portion of the transport start end portion 9a (the portion of the rotary wheel 56) to the transport end portion 9b is arranged in a substantially horizontal posture in a side view.

When the lower carrier 9 is rotationally driven by the drive mechanism 27, the pin 34 and the collar 35 move along the support member 30, so that the first portion 31 and the second portion 32 rotate from the position of the rotary wheel 55. Move towards the position of the wheel 57.

As shown in FIGS. 7 and 11, in the lower carrier 9, the first portion 31 is arranged on the left side of the support member 30 and on the side far from the separation portion 5. The second portion 32 is arranged on the right side of the support member 30 and is arranged on the side close to the separation portion 5, and slightly penetrates into the opening 29a of the wall portion 29.

The support member 30 is inserted between the first portion 31 and the second portion 32 in front view, and the position of the lower carrier 9 (first portion 31 and second portion 32) in the left-right direction is determined by the support member 30. Has been done.

As shown in FIGS. 4 and 5, the first portion 31 and the second portion 32 are arranged so as to be lined up along the moving direction of the lower carrier 9, and the position of the rotary wheel 55 and the position of the rotary wheel 57 are arranged. The protrusion 31a of the first portion 31 and the protrusion 32a of the second portion 32 project upward.

As shown in FIGS. 10 and 11, the right and left lower positioning portions 33 having a cross-sectional angle shape are connected to the wall portion 29, and the lower positioning portion 33 is the position of the rotary ring 56 and the position of the rotary ring 57. It is provided over. In the lower carrier 9, the right end of the pin 34 is located below the right lower positioning portion 33, and the left end of the pin 34 is located below the left lower positioning portion 33.
As a result, the floating of the lower carrier 9 is suppressed between the position of the rotary wheel 56 of the lower carrier 9 and the position of the rotary wheel 57, and the position of the lower carrier 9 is determined.

(Overall configuration of the upper carrier)
As shown in FIGS. 1, 4 and 5, a drive sprocket 28a which is supported by the drive mechanism 28 at the rear portion of the left portion of the machine body 1 and is rotationally driven around the axis in the left-right direction is provided in the drive mechanism 28. There is. Rotating wheels 37 and 38 are rotatably supported around the left-right axis at the front of the left side of the machine 1, and the rotating wheel 39 is rotatably supported around the left-right axis of the machine 1 from the front to the rear of the left side of the body 1. It is rotatably supported around it.

The upper carrier 10 is attached over the drive sprocket 28a of the drive mechanism 28 and the rotary wheels 37, 38, 39, and the upper carrier 10 is placed in the front-rear direction on the left portion of the machine body 1 (left side of the separation portion 5). It is arranged along. The upper carrier 10 is rotationally driven in the counterclockwise direction of FIGS. 1 and 4 by the drive sprocket 28a of the drive mechanism 28.

The upper transport body 10 extends rearward from the vicinity of the transport start end portion 9a of the lower transport body 9, and in the upper transport body 10, the portion between the rotary wheel 37 and the rotary wheel 38 is the transport start end portion 10a. The vicinity of the drive sprocket 28a of the drive mechanism 28 is the transport end portion 10b.

The front portion (portion wheel 37 portion) of the transport start end portion 10a of the upper transport body 10 is arranged at a position above the rear portion (portion wheel 38 portion) of the transport start end portion 10a of the upper transport body 10. The transport start end portion 10a of the upper transport body 10 is arranged in an obliquely upward tilted posture.
A portion of the upper transport body 10 extending from the rear portion of the transport start end portion 10a (the portion of the rotary wheel 38) to the transport end portion 10b is arranged in a substantially horizontal posture in a side view.

(Specific configuration of the upper carrier)
As shown in FIGS. 7 and 8, the upper carrier 10 is provided with a first portion 51, a second portion 52, a pin 40, and a collar 53.

The first portion 51 is formed in an elongated flat plate shape (link shape), and a triangular protrusion 51a is provided in the front-rear central portion in a side view. The second portion 52 is formed in an elongated flat plate shape (link shape) like the first portion 51, and a triangular protruding portion 52a is provided in the front-rear central portion in a side view.

The front portion and the rear portion of the first portion 51 are overlapped while the first portion 51 is arranged alternately in the left-right direction. The front portion and the rear portion of the second portion 52 are overlapped while the second portion 52 is arranged alternately in the left-right direction. With the collar 53 arranged between the first portion 51 and the second portion 52, the pin 40 is inserted and the pin 40 is attached to the first portion 51 and the second portion 52.

As a result, the first portion 51 is connected by the pin 40, the second portion 52 is connected by the pin 40, and the upper carrier 10 is configured in an endless chain shape. The first portion 51 and the second portion 52 are arranged at intervals corresponding to the length of the collar 53, and the first portion 51 and the second portion 52 can be freely bent at the portion of the pin 40.

(Support configuration of upper carrier)
As shown in FIGS. 10 and 11, the right upper positioning portion 54 having a cross-sectional angle shape is connected to the upper edge portion of the opening 29a in the wall portion 29, and the right upper positioning portion 54 is a rotating wheel. It is arranged over the position of 38 and the position of the drive sprocket 28a of the drive mechanism 28.

As shown in FIGS. 4 and 7, the support frame 58 is connected to the upper part of the wall portion 29 in the front-rear direction, and the flat plate-shaped support member 61 is connected to the support frame 58 and extends downward. Has been done.

As shown in FIGS. 10 and 11, the left upper positioning portion 54 having a cross-sectional angle shape is connected to the lower edge portion of the support member 61, and the left upper positioning portion 54 is the position of the rotary wheel 38. And the position of the drive sprocket 28a of the drive mechanism 28.

In the upper carrier 10, the right end portion of the pin 40 is on the right upper positioning portion 54, and the left end portion of the pin 40 is on the left upper positioning portion 54.
As a result, between the position of the rotary wheel 38 of the upper transport body 10 and the position of the drive sprocket 28a of the drive mechanism 28, the transport ends from the rear portion (the portion of the rotary wheel 38) of the transport start end portion 10a of the upper transport body 10. The portion extending over the portion 10b is arranged in a substantially horizontal posture in a side view, the hanging of the upper transport body 10 is suppressed, and the position of the upper transport body 10 is determined.

The upper carrier 10 can be bent at the portion of the pin 40. Since the position of the upper transport body 10 is determined by the upper positioning portion 54, the upper transport body 10 can be bent upward so that the pin 40 is separated upward from the upper positioning portion 54.

When the upper carrier 10 is rotationally driven by the drive mechanism 28, the pin 40 moves along the upper positioning portion 54, so that the first portion 51 and the second portion 52 move from the position of the rotary wheel 38 to the drive mechanism 28. Moves toward the position of the drive sprocket 28a.

As shown in FIGS. 7 and 11, in the upper carrier 10, the first portion 51 is arranged on the side far from the separating portion 5, and the second portion 52 is arranged on the side closer to the separating portion 5. The positions of the upper carrier 10 (first portion 51 and second portion 52) in the left-right direction are determined by the right and left upper positioning portions 54.

As shown in FIGS. 4 and 5, the first portion 51 and the second portion 52 are arranged so as to be arranged along the moving direction of the upper carrier 10, the position of the rotary wheel 38 and the drive sprocket 28a of the drive mechanism 28. The protrusion 51a of the first portion 51 and the protrusion 52a of the second portion 52 project downward over the position of.

(Structure of urging mechanism)
As shown in FIGS. 4, 5 and 7, when the portion between the position of the rotary wheel 38 and the position of the drive sprocket 28a of the drive mechanism 28 is bent upward in the upper carrier 10, the upper carrier 10 is bent. The urging mechanism 66 that urges the portion to the lower side (lower carrier 9 side) is supported by the support frame 58.

As shown in FIGS. 9 and 10, the urging mechanism 66 is provided with a first rail portion 41, a second rail portion 42, a pin 36, a connecting member 50, a support rod 59, a spring 60, and a connecting member 50. ..

The plate material is bent into a channel shape to form the first rail portion 41, and the first rail portion 41 includes an upper portion 41a and lateral portions 41b and 41c extending downward from the upper portion 41a. Is provided. In the first rail portion 41, the front-rear lengths of the lateral portions 41b and 41c are longer than the front-rear lengths of the upper portion 41a, and the portions protruding from the upper portions 41a of the lateral portions 41b and 41c are rounded. The hole-shaped opening 41d is opened.

A plate-shaped right and left second rail portion 42 is provided, and an elongated hole-shaped opening 42a is opened in the second rail portion 42. The second rail portion 42 is inserted into the first rail portion 41, and the first rail portion 41 and the second rail portion 42 are connected to each other.

The first rail portion 41 and the second rail portion 42 are arranged side by side. In the first rail portion 41 and the second rail portion 42 arranged side by side, the second rail portion 42 is inserted inside the lateral side portions 41b and 41c of the first rail portion 41, and the opening of the first rail portion 41 is inserted. A pin 36 is attached over the 41d and the opening 42a of the second rail portion 42.
As a result, the first rail portion 41 and the second rail portion 42 are connected by the pin 36 and can be bent at the portion of the pin 36.

As shown in FIGS. 9, 10 and 11, a pipe-shaped guide member 67 is attached to the support frame 58 along the vertical direction, and the support rod 59 is inserted into the guide member 67 so as to be vertically movable.

A ring-shaped fixing member 68 and a fixing pin 69 are attached to the upper end of the support rod 59. When the stopping member 68 and the fixing pin 69 hit the upper end portion of the guide member 67, the lower limit position of the vertical movement of the support rod 59 is determined.

A connecting member 50 is connected to the lower end of the support rod 59. The connecting member 50 is provided with a circular receiving portion 50a, a retaining portion 50b in which the edge portion of the receiving portion 50a is bent upward, and a lateral portion 50c in which the edge portion of the receiving portion 50a is bent downward. ..

When the pin 36 is attached over the opening 41d of the first rail portion 41 and the opening 42a of the second rail portion 42, the pin 36 is also inserted into the opening of the lateral portion 50c of the connecting member 50. The connecting member 50 (support rod 59) is connected to the first rail portion 41 and the second rail portion 42.

A receiving member 70 is attached to the lower end of the guide member 67, and a spring 60 is attached over the receiving portion 50a of the connecting member 50 and the receiving member 70, and the support rod 59 is moved downward by the spring 60. Being urged.

In the state where the support rod 59 is located at the lower limit position, the spring 60 is in a state of being slightly compressed from the free length, and an initial biasing force is generated in the spring 60. The disconnection of the connecting member 50 from the receiving portion 50a of the spring 60 is prevented by the retaining portion 50b of the connecting member 50.

(Positional relationship between lower carrier, upper carrier and urging mechanism)
As shown in FIGS. 4 and 5, the rear portion of the transport start end portion 10a of the upper transport body 10 (the portion of the rotary wheel 38) is the rear portion of the transport start end portion 9a of the lower transport body 9 (rotary ring 56) in a side view. It is located slightly behind (the part of). The transport end portion 10b of the upper transport body 10 is located slightly behind the transport end portion 9b of the lower transport body 9 in a side view.

As shown in FIG. 11, the second portion 52 of the upper carrier 10 is arranged on the side (left side) far from the separation portion 5 with respect to the second portion 32 of the lower carrier 9 in the rear view and the plan view. It is arranged between the first portion 31 and the second portion 32 of the lower carrier 9. The first portion 51 of the upper transport body 10 is arranged on the side (left side) far from the separation portion 5 with respect to the first portion 31 of the lower transport body 9 in the rear view and the plan view. The first portion 31 of the lower carrier 9 is arranged between the first portion 51 and the second portion 52 of the upper carrier 10 in a rear view and a plan view.

In a state where the positions of the lower transport body 9 and the upper transport body 10 are determined by the lower positioning portion 33 and the upper positioning portion 54, the protrusion 52a of the second portion 52 of the upper transport body 10 is the lower transport body 9. It is slightly above the collar 35, and the protrusion 31a of the first portion 31 of the lower carrier 9 is slightly below the collar 53 of the upper carrier 10. The protrusions 51a of the first portion 51 of the upper carrier 10 and the protrusions 52a of the second portion 52, and the protrusions 31a of the first portion 31 of the lower carrier 9 and the protrusions 32a of the second portion 32 are side surfaces. It overlaps visually.

As a result, in the portion where the lower transport body 9 and the upper transport body 10 face each other, as shown in FIG. 11, the lower transport body 9 and the upper transport body 10 are brought into contact with each other beyond a predetermined vertical interval set in advance. The position of the lower carrier 9 is determined by the lower positioning unit 33 and the position of the upper carrier 10 is determined by the upper positioning unit 54 so as not to approach each other.

In the urging mechanism 66, with the support rod 59 positioned at the lower limit position, the lower ends of the first rail portion 41 and the second rail portion 42 are in contact with the collar 53 of the upper carrier 10 from above. ing. With the support rod 59 positioned at the lower limit position, the spring 60 is in a state of being slightly compressed from the free length, and an initial biasing force is generated in the spring 60.

As shown in FIG. 12, when the upper carrier 10 is bent upward, the first rail portion 41 and the second rail portion 42 corresponding to the bent portion of the upper carrier 10 are lifted, the spring 60 is compressed, and the spring 60 is compressed. The bent portion of the upper transport body 10 is urged to the lower side (lower transport body 9 side) by the spring 60, the first rail portion 41, and the second rail portion 42.

(In the flow of the whole harvest of the edamame harvester, the state at the harvesting part)
Regarding the overall flow of harvesting in the edamame harvester, the state of each part is described below from this section (in the overall flow of harvesting of the edamame harvester, the collection conveyor, the transport conveyor and the discharge at the separation part. The state on the conveyor) will be described in order.

As shown in FIGS. 1 and 2, in the harvesting section 3, when the aircraft 1 is advanced while the divider 48 is in contact with the field and the subsoiler 49 is in the field, the crop A in the field is separated by the divider 48. , While the field is collapsed by the subsoiler 49, the crop A in the upright posture of the field enters the transport start end portion 8a of the right and left transport bodies 8.

The right and left carriers 8 hold the crop A in the upright position of the field from the right and left sides, and the right and left carriers 8 pull out and lift the crop A to maintain the crop A in the upright position. However, it is conveyed to the rear side diagonally above along the harvesting portion 3.

When the crop A reaches the transport end portion 8b of the transport body 8, the posture changing portion 62 causes the crop A to stand up at the transfer portion from the transport end portion 8b of the transport body 8 to the transport start end portion 9a of the lower transport body 9. Is changed to the sideways posture on the side of the separation portion 5, and the upper part of the crop A enters the opening 26a of the dustproof cover 26 so as to collapse.

(In the flow of the entire harvest of the edamame harvester, the state of transporting the crop by the second carrier and the guide rail)
As the upper part of the crop A collapses into the opening 26a of the dustproof cover 26, the stock source A1 of the crop A is handed over to the transport start end portion 9a of the lower transport body 9, and the crop A is in a sideways posture. The stock source A1 of the crop A is sandwiched between the transport start end 9a of the lower transport body 9 and the transport start end 10a of the upper transport body 10.

At the transport start end 10a of the upper transport body 10, the rotary wheel 38 is movably supported upward from the positions shown in FIGS. 4 and 5, and a spring for urging the rotary body 38 downward (not shown). Is provided. As a result, the transport start end portion 10a and the rotary wheel 38 of the upper transport body 10 move upward, so that the stock owner A1 of the crop A in the sideways posture is moved to the transport start end portion 9a of the lower transport body 9 and the upper transport body 10. It is smoothly sandwiched between the transport starting end portion 10a and the transport starting end portion 10a.

As shown in FIG. 12, when the stock source A1 of the crop A is sandwiched between the lower transport body 9 and the upper transport body 10, the upper transport body 10 is bent upward by the stock source A1 of the crop A. The first rail portion 41 and the second rail portion 42 corresponding to the bent portion of the upper carrier 10 are lifted, the spring 60 is compressed, and the urging force of the spring 60 causes the stock A1 of the crop A to be the lower carrier. It is sandwiched between 9 and the upper carrier 10 with sufficient holding force.

When the lower carrier 9 and the upper carrier 10 are rotationally driven while the stock A1 of the crop A in the sideways posture is sandwiched between the lower carrier 9 and the upper carrier 10, the crop A Since the stock source A1 is transported to the rear side, the crop A enters the inside of the separation portion 5 from the opening 29a (see FIG. 11) of the wall portion 29, and the transport start ends of the lower transport body 9 and the upper transport body 10. It is conveyed from 9a and 10a toward the transfer end portions 9b and 10b.

The rotation speed (movement speed) V1 of the lower transport body 9 is set to be slightly higher than the rotation speed (movement speed) V2 of the upper transport body 10, and is higher than the rotation speed (movement speed) V1 of the lower transport body 9. A speed difference is provided between the rotation speed (moving speed) V2 of the carrier 10.

As a result, the crop A becomes the rotation speed (movement speed) V1 of the lower transport body 9 and the rotation speed (movement speed) V2 of the upper transport body 10 while being transported to the rear side by the lower transport body 9 and the upper transport body 10. Due to the speed difference between them, they rotate in the rotation direction C3 around the lateral axis passing through the stem of the crop A.

(In the flow of the entire harvest of the edamame harvester, the state at the separation part (first upper rotating body and first lower rotating body, second upper rotating body and second lower rotating body))
As shown in FIGS. 2 and 3, when the crop A in the sideways posture is transported to the rear side by the lower transport body 9 and the upper transport body 10, in the separation portion 5, the crop A is first the first upper rotating body. It enters between 11 and the first lower rotating body 12.

As shown in FIG. 6, the striking portion 19 of the first upper rotating body 11 and the striking portion 19 of the first lower rotating body 12 are alternately and repeatedly in a state of hitting the crop A, and the crop A is in a state of hitting the lower transport body 9 and the upper transport. The fruit A2 is separated from the crop A and dropped onto the recovery conveyor 13 in a state of being pushed toward the transport starting ends 9a and 10a of the body 10 (see the above-mentioned (configuration of the separation portion)).

Next, the crop A enters between the second upper rotating body 21 and the second lower rotating body 22. The striking portion 19 of the second upper rotating body 21 and the striking portion 19 of the second lower rotating body 22 alternately and repeatedly hit the crop A, and the crop A is in a state of hitting the crop A, and the crop A is the transport starting end portion 9a of the lower transport body 9 and the upper transport body 10. , The fruit A2 is separated from the crop A and falls on the recovery conveyor 13 in a state of being pushed to the side of 10a.

In this case, as shown in FIG. 12, the crop A is rotated in the rotation direction C3 around the lateral axis passing through the stem of the crop A while being transported to the rear side.
When the crop A rotates in the rotation direction C3, the striking portion 19 of the first upper rotating body 11 (second upper rotating body 21) and the striking portion 19 of the first lower rotating body 12 (second lower rotating body 22). However, it comes into contact with each part of the crop A and is separated from the crop A without leaving the fruit A2.

As shown in FIGS. 2 and 3, the first upper rotating body 11 and the first lower rotating body 12 are tilted with respect to the lower transport body 9 and the upper transport body 10 at an angle B1. The second upper rotating body 21 and the second lower rotating body 22 are tilted with respect to the lower conveying body 9 and the upper conveying body 10 at an angle B2.
As shown in FIG. 6, the rotation direction C1 of the first upper rotating body 11 (second upper rotating body 21) and the rotation direction C2 of the first lower rotating body 12 (second lower rotating body 22) are set. ..

As a result, when the striking portion 19 of the first upper rotating body 11 (second upper rotating body 21) and the striking portion 19 of the first lower rotating body 12 (second lower rotating body 22) hit the crop A, the crop A With the stock A1 sandwiched between the lower transport body 9 and the upper transport body 10, the crop A is to be pulled out from the stock source A1 side (lower transport body 9 and upper transport body 10 side) toward the upper side. Since the force is generated, the crop A is not compressed toward the stock origin A1 and buckled and bent, and the fruit A2 is reasonably separated from the crop A.

(In the flow of the entire harvest of the edamame harvester, the state of the collection conveyor, the transfer conveyor and the discharge conveyor at the separation part)
As shown in FIGS. 1, 2 and 3, the fruit A2 is separated from the crop A by the first upper rotating body 11, the first lower rotating body 12, the second upper rotating body 21 and the second lower rotating body 22. The fruit A2 is dropped onto the collection conveyor 13. When the fruit A2 is separated from the crop A, the debris such as leaves is also separated and falls on the collection conveyor 13.

The crop A from which the fruit A2 is separated is transported to the rear side and released to the field from the transport end portions 9b and 10b of the lower transport body 9 and the upper transport body 10.
The collection conveyor 13 is rotationally driven toward the rear side, and the actual A2 and the scraps that have fallen on the collection conveyor 13 are conveyed to the rear side by the collection conveyor 13 and fall from the rear part of the collection conveyor 13 to the transfer conveyor 14.

The transport wind of the wall insert 16 flows from the lower side to the rear side of the recovery conveyor 13, passes between the recovery conveyor 13 and the discharge conveyor 15, and flows to the rear side on the upper side of the discharge conveyor 15.
When the fruit A2 and the debris fall from the rear part of the recovery conveyor 13, the fruit A2 falls on the conveyor 14 against the wind of the wall insert 16. The waste is blown off by the transport wind of the wall insert 16 and rides on the discharge conveyor 15, and the waste on the discharge conveyor 15 is transported to the rear side by the discharge conveyor 15 and discharged to the field.

The conveyor 14 is rotationally driven toward the support base 6, and a large number of collection boxes 17 are placed on the support base 6. The actual A2 that has fallen on the conveyor 14 is conveyed to the support base 6 side by the conveyor 14, and is put into the collection box 17 located at the end of the conveyor 14. When the collection box 17 located at the transfer end of the transfer conveyor 14 is full, the auxiliary worker of the work deck 7 replaces the collection box 17 with an empty collection box 17.

(First Different Form of Implementation of the Invention)
In FIG. 12, the rotation speed (movement speed) V1 of the lower transport body 9 is set to be slightly lower than the rotation speed (movement speed) V2 of the upper transport body 10, and the rotation speed (movement speed) of the lower transport body 9 is set. A speed difference may be provided between V1 and the rotation speed (movement speed) V2 of the upper carrier 10.

According to this configuration, the crop A is transported to the rear side by the lower transport body 9 and the upper transport body 10, and the rotation speed (movement speed) V1 of the lower transport body 9 and the rotation speed (movement speed) of the upper transport body 10 are used. Due to the velocity difference with V2, it rotates around the lateral axis passing through the stem of crop A in the direction opposite to the rotation direction C3.

(Second alternative form of carrying out the invention)
The upper positioning unit 54 is configured so that the upper carrier 10 does not move from the position shown in FIG. 11 to the upper side or the lower side, and the position of the lower carrier 9 does not move from the position shown in FIG. 11 to the upper side. The lower positioning unit 33 may be configured so as to be movable on the lower side.

According to this configuration, the urging mechanism 66 may be arranged under the lower carrier 9. As a result, the lower carrier 9 is bent downward by the stock A1 of the crop A, and in the urging mechanism 66, the first rail portion 41 and the second rail portion 42 corresponding to the bent portion of the lower carrier 9 are formed. It is lowered, the spring 60 is compressed, and the urging force of the spring 60 causes the stock A1 of the crop A to be sandwiched between the lower carrier 9 and the upper carrier 10 with sufficient holding force.

(Third alternative form of carrying out the invention)
The portion of the first upper rotating body 11 and the first lower rotating body 12 on the lower conveying body 9 and the upper conveying body 10 side is the lower conveying body 9 and the upper conveying body in the first upper rotating body 11 and the first lower rotating body 12. The first upper rotating body 11 and the first lower rotating body 12 (so as to be located on the transport end portions 9b, 10b side (rear side) of the lower transport body 9 and the upper transport body 10 with respect to the portion on the opposite side of the 10 The first upper shaft core P11 and the first lower shaft core P12) may be arranged so as to be inclined (crossed) with respect to the lower transport body 9 and the upper transport body 10 in a plan view.

According to this configuration, the striking portion 19 of the first upper rotating body 11 and the striking portion 19 of the first lower rotating body 12 move the crop A to the transport end portions 9b and 10b of the lower transport body 9 and the upper transport body 10. The rotation directions C1 and C2 of the first upper rotating body 11 and the first lower rotating body 12 may be set so as to be pushed.

(Fourth Different Embodiment of the Invention)
The portion of the second upper rotating body 21 and the second lower rotating body 22 on the lower conveying body 9 and the upper conveying body 10 side is the lower conveying body 9 and the upper conveying body in the second upper rotating body 21 and the second lower rotating body 22. The second upper rotating body 21 and the second lower rotating body 22 (so as to be located on the transport end portions 9b, 10b side (rear side) of the lower transport body 9 and the upper transport body 10 with respect to the portion on the opposite side of the 10 The second upper shaft core P21 and the second lower shaft core P22) may be arranged so as to be inclined (crossed) with respect to the lower transport body 9 and the upper transport body 10 in a plan view.

According to this configuration, the striking portion 19 of the second upper rotating body 21 and the striking portion 19 of the second lower rotating body 22 push the crop A toward the transport end portions 9b and 10b of the lower transport body 9 and the upper transport body 10. As described above, the rotation directions C1 and C2 of the second upper rotating body 21 and the second lower rotating body 22 may be set.

(Fifth alternative form of carrying out the invention)
A harvesting unit 3 (transport body 8), a lower transport body 9, and an upper transport body 10 may be provided on the right side of the front portion of the machine body 1. According to this configuration, the separation portion 5 is provided on the left side of the lower transport body 9 and the upper transport body 10.

The present invention can be applied not only to a edible bean harvester but also to a crop harvester that harvests crop A such as soybeans. It can also be applied to a crop harvester that harvests crop A while leaving the root in the field by cutting with a cutter or the like.

3 Harvesting part 5 Separation part 9 Lower transport body 9a Transport start end 10 Upper transport body 10a Transport start end 11 First upper rotating body (upper rotating body)
12 First lower rotating body (lower rotating body)
21 Second upper rotating body (upper rotating body)
22 Second lower rotating body (lower rotating body)
33 Lower positioning part 54 Upper positioning part 66 Bounce mechanism A Crop A1 Stock origin A2 Actual C1 Rotation direction C2 Rotation direction P11 1st upper shaft core (upper shaft core)
P12 1st lower shaft core (lower shaft core)
P21 2nd upper shaft core (upper shaft core)
P22 2nd lower shaft core (lower shaft core)
V1 rotation speed V2 rotation speed

Claims (4)

The harvesting department that harvests the crops in the field,
An endless lower carrier that is rotationally driven around the horizontal axis,
An upper carrier that is arranged along the upper side of the lower carrier and is rotationally driven around a lateral axis so that a portion facing the lower carrier moves in the same direction as the lower carrier.
A separation portion arranged on the side of the lower carrier and the upper carrier is provided.
The root of the crop harvested by the harvesting section is sandwiched between the lower carrier and the upper carrier in a sideways posture, and the lower carrier and the upper carrier are rotationally driven. The crops are transported, and the fruits are separated and collected from the transported crops by the separation section.
A speed difference is provided between the rotation speed of the lower carrier and the rotation speed of the upper carrier .
In the portion where the lower carrier and the upper carrier face each other, the lower carrier and the upper carrier do not come close to each other beyond a predetermined vertical interval set in advance. A crop harvester provided with a lower positioning unit for determining a position and an upper positioning unit for determining the position of the upper carrier . The harvesting department that harvests the crops in the field,
An endless lower carrier that is rotationally driven around the horizontal axis,
An upper carrier that is arranged along the upper side of the lower carrier and is rotationally driven around a lateral axis so that a portion facing the lower carrier moves in the same direction as the lower carrier.
A separation portion arranged on the side of the lower carrier and the upper carrier is provided.
The root of the crop harvested by the harvesting section is sandwiched between the lower carrier and the upper carrier in a sideways posture, and the lower carrier and the upper carrier are rotationally driven. The crops are transported, and the fruits are separated and collected from the transported crops by the separation section.
A speed difference is provided between the rotation speed of the lower carrier and the rotation speed of the upper carrier.
In the portion where the lower carrier and the upper carrier face each other, one of the lower carrier and the upper carrier has a bent portion that bends to a side away from the other of the lower carrier and the upper carrier. A crop harvester provided with an urging mechanism for urging the bent portion to the other side of the lower carrier and the upper carrier . In the separation portion, an upper rotating body that is rotationally driven around the upper shaft core in a direction intersecting the lower carrier and the upper carrier in a plan view, and an upper rotating body that is rotationally driven around the upper shaft core and along the upper shaft core below the upper shaft core. A lower rotating body that is rotationally driven is provided around the lower shaft core.
The invention according to claim 1 or 2 , wherein the transported crop passes between the upper rotating body and the lower rotating body, and the fruit is separated from the crop when the upper rotating body and the lower rotating body hit the crop. Crop harvester. The lower-carrying body and the upper-carrying body-side portion of the upper-rotating body and the lower-rotating body are more than the parts of the upper-rotating body and the lower-rotating body on the opposite side of the lower-carrying body and the upper-carrying body. The upper rotating body and the lower rotating body are arranged so as to be inclined in a plan view with respect to the lower transport body and the upper transport body so as to be located on the transport start end side of the lower transport body and the upper transport body. Being done
The upper rotating body and the lower rotating body push the crop passing between the upper rotating body and the lower rotating body toward the lower transport body and the transport start end portion of the upper transport body. The crop harvester according to claim 3 , wherein the rotation direction of the lower rotating body is set.

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