JP7103593B2 - 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, the first right and left transporters that hold the crops in the field from the right and left sides, lift them from the field and transport them to the rear side, and the roots of the crops in the sideways posture are held on the rear side. A second transport body for transporting and a separating portion for separating the fruits from the crops transported by the second transport body are provided.

As a result, in Patent Document 1, the crop in the upright posture of the field is sandwiched and lifted by the first transport body, and the posture is gradually changed to the sideways posture while the crop is transported by the first transport body.
At the transport end portion of the first transport body, the crop is in a sideways posture, and the crop in the sideways posture is delivered from the transport end portion of the first transport body to the transport start end portion of the second transport body. The crop is transported to the rear side in a sideways posture by the second carrier, and while the crop is transported by the second carrier, the fruit is separated from the crop by the separation part, and the separated fruit is collected. ..

According to Patent Document 1, the transport start end portion of the first transport body is rotationally driven around the axis in the vertical direction, and the crop in the upright posture of the field is sandwiched by the first transport body. The transport end portion of the first transport body is rotationally driven around the axis in the left-right direction, and the transport end portion of the first transport body is configured so that the crop is changed to a sideways posture. ..

As a result, at the transport start end portion and the transport end portion of the first transport body, the shaft cores on which the first transport body is rotationally driven are orthogonal to each other, and the first transport body moves from the transport start end portion to the transport end portion. It is in a state of being twisted over.

Japanese Unexamined Patent Publication No. 2000-201519

In Patent Document 1, when the crop is transported by the first transport body, the posture of the crop is changed from the standing posture to the lying posture at the same time as the crop is transported to the rear side. There is a possibility that pinching and transportation will not be performed stably.

As described above, when the crop is sandwiched and transported by the first carrier, the sandwiched portion of the crop of the first carrier is supported from the opposite side of the crop in order to ensure that the crop is sandwiched. It is necessary to provide rollers and guides.

However, if the first transport body is twisted from the transport start end portion to the transport end portion as in Patent Document 1, it becomes difficult to provide the above-mentioned rollers, guides, and the like. If the number of rollers, guides, and the like described above is small (if they are not provided), the crops may not be stably pinched and transported by the first transporter.

An object of the present invention is to configure a crop harvester provided with a first transporter, a second transporter, and a separation unit so that the first transporter can stably pinch and transport crops. ..

The crop harvester of the present invention
Rotationally driven around the axis along the diagonal vertical direction, the crops in the field are sandwiched from the right and left sides and lifted from the field, and the lifted crops are transported to the rear side diagonally above while maintaining the upright posture. With the first right and left carriers,
A second carrier that is rotationally driven around the axis in the left-right direction, holds the root of the crop in a sideways position, and transports it to the rear side.
It is provided with a separating portion which is arranged on the right or left side of the second carrier and separates the fruits from the crops transported by the second carrier.
The transport routes of the crops by the left and right first transporters are formed linearly in a plan view, and the transport routes of the crops by the second transporters are formed linearly in a plan view.
A plan view of the crop from the transport end portion of the first transport body so as to change the posture so that the portion with the fruit of the crop is on the side closer to the separation portion with respect to the root of the crop. In the region where the transport end of the first transport body diagonally intersects the transport start end of the second transport body, the guide is provided to contact the portion of the crop that bears fruit, and the crop is contacted and transported. It is equipped with a posture change section that changes the posture of the crop by applying force .

According to the present invention, the crops in the upright posture of the field are sandwiched from the right side and the left side by the first right and left transporters and lifted from the field, and the crops are transported to the rear side while being maintained in the upright posture.
When the crop in the standing posture reaches the transport end portion of the first transport body, the crop in the standing posture is in a sideways posture at the transfer portion from the transport end portion of the first transport body to the transport start end portion of the second transport body. It is changed and delivered to the transport start end of the second transport body.
The crop whose posture has been changed to the sideways posture is transported by the second carrier, and the fruit is separated from the crop transported by the second carrier by the separation portion, and the separated fruit is collected.

As described above, according to the present invention, after the crop in the upright posture of the field is lifted from the field by the first transporter, the crop is transported to the rear side while being maintained in the upright posture. Is stably pinched and transported. As a result, the harvesting performance of the crop harvester can be improved.

According to the present invention, since the first transport body is not in a state of being twisted from the transport start end portion to the transport end portion, a roller or a guide that supports the sandwiched portion of the crop of the first transport body from the opposite side of the crop. Etc. can be provided without difficulty. In this respect as well, it is advantageous for the first transporter to stably pinch and transport the crops.

At the delivery portion from the transport end portion of the first transport body to the transport start end portion of the second transport body, the crop in the standing posture is changed to the sideways posture and delivered to the transport start end portion of the second transport body. According to the present invention, a posture changing portion for changing the posture of the crop in the standing posture to the lying posture is provided.

As a result, the crop in the standing posture is changed to the sideways posture without difficulty and is delivered to the transport start end portion of the second transport body, and is delivered from the transport end portion of the first transport body to the second transport body. The crops can be smoothly delivered to the starting end of the transport, and the harvesting performance of the crop harvester can be improved.

In the present invention
The posture changing portion moves in the transport direction of the crop along the guide portion that diagonally intersects the transport end portion of the first transport body and the transport start end of the second transport body in a plan view. , It is preferable to include a plurality of claw bodies that operate integrally with the driven endless rotating body .

According to the present invention, when the crop is delivered from the transport end portion of the first transport body to the transport start end portion of the second transport body, the posture changing portion is moved from the transport end portion of the first transport body to the upper portion of the crop. It acts, and the posture change part allows the crop in the standing posture to change its posture to the sideways posture without difficulty.

In the present invention
A stalk guide portion for guiding the stalk of the crop to the transport start end side of the second transport body is provided at a position between the transport end portion of the first transport body and the posture change portion in a side view. It is preferable to have it.

According to the present invention, when the crop is delivered from the transport end portion of the first transport body to the transport start end portion of the second transport body, the stem portion of the crop is moved to the transport start end portion side of the second transport body by the stem guide portion. Since it is guided to, it becomes difficult for the root of the crop to separate from the transport start end of the second transport body.
As a result, it is possible to improve the certainty of holding the root of the crop by the transport start end of the second transport, and the crop from the transport end of the first transport to the transport start of the second transport. The delivery can be performed smoothly, and the harvesting performance of the crop harvester can be improved.

In the present invention
It is preferable that an upper guide portion for guiding the upper part of the crop to the transport start end portion side of the second transport body is provided at a position above the posture change portion in a side view.

According to the present invention, when the crop is delivered from the transport end portion of the first transport body to the transport start end portion of the second transport body, the posture changing portion is moved from the transport end portion of the first transport body to the upper portion of the crop. In addition to acting, the upper guide part acts on the upper part of the posture change part in the crop, so that the posture change part and the upper guide part allow the crop in the standing posture to change its posture to the sideways posture without difficulty. Become.

In the present invention
The endless rotating body of the posture changing portion is attached to a drive sprocket arranged at a predetermined interval along the moving direction of the endless rotating body, and the plurality of claw bodies project outward from the endless rotating body. It is preferable that the working posture is freely switchable between the working posture and the non-working posture that falls along the endless rotating body .

According to the present invention, the claw body (endless rotating body) of the posture changing portion moves along the guide portion, so that the crop is pushed from the transport end portion side of the first transport body to the transport start end side of the second transport body. While being operated, the guide part of the posture change part changes the posture of the crop in the standing posture to the sideways posture.
As a result, when the crop is delivered from the transport end portion of the first transport body to the transport start end portion of the second transport body, the crop does not stay in the posture change portion, and the crop in the standing posture is generated by the posture change portion. You will be able to change your posture to a sideways posture without difficulty.

In the present invention
A distribution transmission unit arranged between the transport end portion of the first transport body and the posture change portion, and
A transmission unit that transmits power to the distribution transmission unit from a position outside the portion that sandwiches the crop by the first carrier, and a transmission unit.
A lower transmission shaft that transmits the power transmitted to the distribution transmission unit to the first carrier located below the distribution transmission unit, and a lower transmission shaft.
It is preferable that the power transmitted to the distribution transmission unit is provided with an upper transmission shaft that transmits the power transmitted to the posture changing unit located above the distribution transmission unit.

According to the present invention, when the posture changing portion is arranged at a position above the transport end portion of the first transport body, the space between the posture change portion and the transport end portion of the first transport body is effectively used. Therefore, the transmission system to the posture changing portion and the first carrier can be compactly arranged, which is advantageous in terms of simplification of the structure of the transmission system.

According to the present invention, the transmission system is arranged above the transport end portion of the first transport body, and the transmission system is not arranged below the transport end portion of the first transport body.
As a result, the transmission system is not placed near the root of the crop at the place where the crop in the standing posture is changed to the lying posture, so that the posture changing part makes it impossible for the crop in the standing posture to be in the lying posture. The posture will be changed without any notice.

It is a left side view of the edamame harvester. It is a top view of the edamame harvester. It is the schematic which shows the transmission system from an engine to each part. It is a top view of the harvesting part. It is a top view of the rear part of a harvesting part and the vicinity of a separating part. FIG. 5 is a cross-sectional view seen from the VI-VI direction in FIG. FIG. 5 is a cross-sectional view taken from the direction of VII-VII in FIG. It is a left side view of the vicinity of the transport end portion of the first transport body, the transport start end portion of the second transport body, the posture changing portion, and the dustproof cover. It is a top view of the vicinity of the transport end portion of the first transport body, the transport start end portion of the second transport body, and the posture changing portion. It is a vertical sectional rear view which shows the transmission system of the 1st carrier and the attitude change part. It is a perspective view of the vicinity of the transport end portion of the first transport body, the transport start end portion of the second transport body, and the dustproof cover. It is a top view of the vicinity of the transport end portion of the first transport body and the transport start end portion of the guide rail. It is a vertical sectional rear view in the vicinity of the transport start end portion of the second transport body and the transport start end portion of the guide rail. It is a vertical sectional rear view in the vicinity of a second carrier and a guide rail.

1 to 14 show an example of a crop harvester, a green soybean harvester.
In FIGS. 1 to 14, 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 body 1 is supported by the right and left crawler type traveling devices 2, the harvesting part 3 is provided on the left side of the front part of the body 1, and the front part of the 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 support base 6 and a work deck 7 are provided at the right side of the machine body 1.

(Overview of the harvest flow in the edamame harvester)
As shown in FIGS. 1 and 2, the harvesting section 3 is provided with right and left first transport bodies 11 that are rotationally driven around the shaft cores P1 and P2 along the oblique vertical direction.

As the machine 1 advances, the crop A in the upright posture of the field is sandwiched from the right and left sides by the right and left first transporters 11 in the harvesting section 3, and the crops are sandwiched by the right and left first transporters 11. A is pulled out and lifted, and the crop A is transported to the harvesting portion diagonally to the upper rear side along the 3 while being maintained in the upright posture.

On the left side of the separating portion 5, a second transport body 12 that is rotationally driven around the axis in the left-right direction extends rearward from the transport end portion 11b of the first transport body 11, and the second transport body 12 A guide rail 13 is arranged along the line.

When the crop A reaches the transport end portion 11b of the first transport body 11, the crop A in the standing posture is moved from the transport end portion 11b of the first transport body 11 to the transport start end portion 12a of the second transport body 12. The posture is changed to the sideways posture on the separating portion 5 side, and the posture is changed to the transport start end portion 12a of the second transport body 12.
The plant A1 (see FIGS. 5 and 8) of the crop A in the sideways posture is sandwiched (held) between the second carrier 12 and the guide rail 13, and the crop A is rearwarded by the second carrier 12. Will be transported to.

As shown in FIGS. 1, 5, 6 and 7, the separation unit 5 includes two sets of upper and lower rotating bodies 8 and two sets of upper and lower rotating bodies 9 which are rotationally driven around the axis in the left-right direction, and rotating bodies 8, A collection conveyor 10 arranged on the lower side of the collection conveyor 10 in the front-rear direction, a transfer conveyor 14 arranged on the lower side of the rear portion of the collection conveyor 10 along the left-right direction, and a predetermined collection conveyor 10 from the rear side to the rear side. A discharge conveyor 15 arranged at intervals and a wall insert 16 arranged under the collection conveyor 10 are provided.

When the crop A in the sideways posture is transported to the rear side by the second transport body 12, the crop A first passes between the upper and lower rotating bodies 8, and the rotation of the rotating body 8 causes the crop A to grow. A2 is separated, and the separated real A2 falls on the collection conveyor 10.

The crop A then passes between the upper and lower rotating bodies 9, and the rotation of the rotating body 9 separates the fruit A2 from the crop A, and the separated fruit A2 falls on the collection conveyor 10. The crop A from which the fruit A2 has been separated is released into the field from the transport end portion 12b of the second transport body 12. When the fruit A2 is separated from the crop A by the rotating bodies 8 and 9, debris such as leaves also falls on the collection conveyor 10.

The collection conveyor 10 is rotationally driven toward the rear side, and the actual A2 and the scraps that have fallen on the collection conveyor 10 are conveyed to the rear side by the collection conveyor 10 and fall from the rear part of the collection conveyor 10 to the transfer conveyor 14.

The transport wind of the wall insert 16 flows from the lower side to the rear side of the collection conveyor 10, passes between the collection conveyor 10 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 waste fall from the rear part of the collection conveyor 10, 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.

As shown in FIGS. 2 and 5, 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 end of the transfer 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.

(Structure of transmission system from engine to each part)
As shown in FIG. 3, the engine 18 is supported in the lower part of the driving unit 4. A mission case 19 is supported at the center of the left and right sides of the front portion of the airframe 1, and a hydrostatic continuously variable transmission 20 is connected to the mission case 19.

The power of the engine 18 is transmitted to the input shaft of the continuously variable transmission 20 via the transmission belt 21, and the power of the continuously variable transmission 20 transmits the auxiliary transmission (not shown) inside the mission case 19. It is transmitted to the traveling device 2 via. The power of the continuously variable transmission 20 is transmitted to the transmission shaft 26 via the gear transmission mechanism 22, the transmission belt 23, the transmission shaft 24, and the transmission belt 25, and is transmitted from the transmission shaft 26 to the harvesting unit 3 and the posture changing unit 62 (described later). (Refer to (Structure of posture change part)).

The power of the engine 18 is transmitted to the drive mechanism 32 via the transmission belt 27, the transmission shaft 28, the transmission belt 29, the transmission shaft 30, and the transmission belt 31, and the second carrier 12 is rotationally driven by the drive mechanism 32. ..

The power of the transmission shaft 28 is transmitted to the collection conveyor 10 and the discharge conveyor 15 via the transmission belt 34, the gear type transmission mechanism 35, and the transmission belt 36, and the collection conveyor 10 and the discharge conveyor 15 are rotationally driven.
The power of the recovery conveyor 10 is transmitted to the transfer conveyor 14 via the transmission belt 37, the transmission mechanism 38 of the bevel gear type, and the transmission chain 39, and the transfer conveyor 14 is rotationally driven.

The power of the transmission shaft 28 is transmitted to the wall insert 16 via the power transmission belt 33, and the wall insert 16 is rotationally driven. The power of the transmission shaft 28 is transmitted to the rotating bodies 8 and 9 via the transmission belt 34, the transmission shaft 40 and the transmission belts 41 and 42, and the rotating bodies 8 and 9 are rotationally driven.

(Structure of harvesting section (first carrier))
As shown in FIGS. 1, 2 and 4, in the harvesting section 3, right and left linear support frames 43 are provided, and the support frame 44 extends to the lower side of the right and left support frames 43. It is connected.

In the front part of the right and left support frames 43, the right and left driven pulleys 45 are rotatably supported around the shaft core P1 along the diagonal vertical direction. At the rear of the right and left support frames 43, the right and left drive pulleys 46 are rotatably supported around the shaft core P2 along the oblique vertical direction. In this case, the shaft core P1 and the shaft core P2 are parallel to each other.

A rubber belt-made right first carrier 11 is attached over the right driven pulley 45 and the right drive pulley 46. A rubber belt-made left first carrier 11 is attached over the left driven pulley 45 and the left drive pulley 46.

The right and left first transport bodies 11 are aligned over the entire length of the support frame 43. A large number of rollers 47 are rotatably supported by the support frame 43, and the rollers 47 support the opposite side of the mating portion (the sandwiching portion of the crop A) of the first transport body 11.
Right and left dividers 48 and subsoilers 49 are attached to the front of the right and left support frames 43.

The right and left support frames 43 are supported at equal intervals in the left-right direction, with the front part of the support frame 43 on the lower side and the rear part of the support frame 43 on the upper side in an oblique position when viewed from the side. The frame 43 is supported by the left portion of the front portion of the machine body 1 along the front-rear direction.

In the first transport body 11, the vicinity of the driven pulley 45 is the transport start end portion 11a, and the vicinity of the drive pulley 46 is the transport end portion 11b. As a result, the right and left first transport bodies 11 are linearly directed to the rear side diagonally upward from the transport start end portion 11a to the transport end portion 11b of the first transport body 11 without being twisted. It has been postponed.

(Structure of drive system of harvesting part)
As shown in FIGS. 5, 8 and 9, the drive case 50 is supported on the upper side of the transport end portion 11b of the first transport body 11 on the right, and on the upper side of the transport end portion 11b of the first transport body 11 on the left. The drive case 51 is supported, and the posture changing portion 62 (see (configuration of the posture changing portion) described later) is supported on the upper side of the drive case 51.

The drive shaft 52 is supported by the drive cases 50 and 51 along the shaft core P2, and the drive pulley 46 is connected to the lower part of the drive shaft 52. The transmission shaft 53 is laterally supported by the drive cases 50 and 51, and the bevel gear 52a of the drive shaft 52 and the bevel gear 53a of the transmission shaft 53 are in mesh with each other.

The transmission shaft 26 (see FIG. 3) is arranged below the transport end portion 11b of the first transport body 11 along the left-right direction, and is formed on the pulley 26a of the transmission shaft 26 and the pulley 53b of the transmission shaft 53. A transmission belt 54 is attached over the entire area.

With the above configuration, the power of the transmission shaft 26 is transmitted to the drive shaft 52 via the transmission belt 54 and the transmission shaft 53, and the right drive shaft 52 (right drive pulley 46) is rotationally driven to drive the right drive shaft 52. The first carrier 11 is rotationally driven in the counterclockwise directions of FIGS. 4 and 5. The left drive shaft 52 (left drive pulley 46) is rotationally driven, and the left first carrier 11 is rotationally driven clockwise in FIGS. 4 and 5.

(Structure of the second carrier)
As shown in FIGS. 1, 2, 3 and 8, a drive mechanism 32 is supported on the left side of the machine body 1, and the drive mechanism 32 is provided with a drive sprocket 32a that is rotationally driven around an axis in the left-right direction. ing. Rotating wheels 55 and 56 are rotatably supported around the left-right axis at the front of the left side of the machine 1, and the rotating wheels 57 rotate around the left-right axis at the rear of the left side of the body 1. It is supported freely.

The second carrier 12 is attached to the drive sprocket 32a of the drive mechanism 32 and the rotating wheels 55, 56, 57. The second carrier 12 is a metal chain, and is provided with a triangular convex portion in a side view toward the outside. The drive sprocket 32a of the drive mechanism 32 rotationally drives the second carrier 12 in the clockwise directions of FIGS. 1 and 8.

The second transport body 12 extends rearward from the transport end portion 11b of the first transport body 11 and is arranged on the left portion of the machine body 1 along the front-rear direction, and is arranged on the right side of the second transport body 12. The separation unit 5 is arranged. In the second transport body 12, the portion between the rotary wheel 55 and the rotary wheel 56 is the transport start end portion 12a, and the vicinity of the rotary wheel 57 is the transport end portion 12b.

As shown in FIGS. 1 and 8, the front portion (the portion of the rotary wheel 55) of the transport start end portion 12a of the second transport body 12 is the rear portion (the rotary wheel 56) of the transport end portion 11b of the first transport body 11 . The transport start end portion 12a of the second transport body 12 is arranged in an obliquely upward inclined posture along the transport end portion 11b of the first transport body 11.
A portion of the second transport body 12 extending from the rear portion (portion of the rotating wheel 56) of the transport start end portion 12a to the transport end portion 12b is arranged in a substantially horizontal posture in a side view.

(Guide rail configuration)
As shown in FIGS. 1, 8, 11 and 14, a support frame 58 is supported in the upper part of the left portion of the machine body 1 along the front-rear direction, and a large number of support rods 59 can move up and down on the support frame 58. Is supported by.

In the guide rail 13, short channel-shaped members are arranged in a row along the front-rear direction with the open side facing downward, and adjacent front-rear channel-shaped members are connected to each other by pins so as to bend in the vertical direction. ..

The guide rail 13 extends rearward along the upper side of the second carrier 12. The above-mentioned pin for connecting the channel-shaped member of the guide rail 13 is supported on the lower portion of the support rod 59, and the guide rail 13 (channel-shaped member) is supported so as to be vertically movable. A spring 60 for urging the support rod 59 downward is provided, and the guide rail 13 is pressed against the second carrier 12.

In the guide rail 13, the leading channel-shaped member of the second transport body 12 on the transport start end portion 12a side is the transport start end portion 13a. The transport start end portion 13a of the guide rail 13 is located slightly behind the rear portion (portion wheel 56 portion) of the transport start end portion 12a of the second transport body 12.

With the above configuration, as described later (state of the crop at the delivery portion from the transport end portion of the first transport body to the transport start end portion of the second transport portion), the stock source A1 of the crop A is second transported. When it is sandwiched between the body 12 and the guide rail 13, the guide rail 13 is lifted upward by the stock A1 of the crop A so as to bend, and the second carrier 12 and the second carrier 12 are lifted by the urging force of the spring 60. The origin A1 of the crop A is sandwiched between the guide rail 13 and the guide rail 13 with sufficient holding force.

(Structure of guide member)
As shown in FIGS. 8, 11, 12, and 14, a guide member 61 made of a round bar member is provided. A guide member 61 is attached to the side surface 13a1 of the guide rail 13 on the side close to the separation portion 5 of the transport start end portion 13a, and the guide member 61 extends forward along the second transport body 12.

The guide member 61 extends diagonally upward and forward from the rear portion (the portion of the rotating wheel 56) of the transport start end portion 12a of the second transport body 12 (see FIG. 8).
The guide member 61 extends diagonally to the left from the rear portion (the portion of the rotating wheel 56) of the transport start end portion 12a of the second transport body 12 toward the left first transport body 11 in a plan view. (See FIG. 12).

Since the guide member 61 is attached to the transport start end portion 13a of the guide rail 13, the guide member 61 moves up and down integrally with the transport start end portion 13a of the guide rail 13.

(Positional relationship between the first carrier, the second carrier and the guide rail)
As shown in FIGS. The transport start end portion 12a of the transport 12 is arranged at a position below the transport end portion 11b of the first transport body 11 in a side view.

The second carrier 12 is transported in a plan view with respect to the virtual line B1 extending from the right and left first transport bodies 11 facing each other and in contact with each other along the transport direction of the first carrier 11. The second carrier 12 is arranged so that the left and right central portions 12c of the starting end portion 12a are displaced to a position closer to the separating portion 5 (right side).

As shown in FIGS. 12 and 14, the side surface 13a1 on the side (right side) of the guide rail 13 near the separation portion 5 is the side surface 12a1 on the side (right side) of the second carrier 12 near the separation portion 5. , It is arranged between the side surface 12a2 on the far side (left side).

The side surface 13a2 on the side (left side) far from the separation portion 5 in the guide rail 13 is the side farther from the separation portion 5 (left side) with respect to the side surface 12a2 on the side farther (left side) from the separation portion 5 in the second carrier 12 in a plan view. It is located on the left side).

As shown in FIGS. 5 and 8, the rear portion (the portion of the rotating wheel 56) of the transport start end portion 12a of the second transport body 12 is on the rear side of the transport end portion 11b of the first transport body 11 in a side view. It is placed in position. The transport start end portion 13a of the guide member 61 and the guide rail 13 is arranged at a position on the rear side of the transport end portion 11b of the first transport body 11 in a side view.

The transport end portion 11b of the first transport body 11 is in a state of being inserted between the front end portion of the guide member 61 and the transport start end portion 12a of the second transport body 12 in a side view, and the front end portion of the guide member 61. Is arranged at a position above the transport end portion 11b of the first transport body 11 in a side view.

(Structure of posture change part)
As shown in FIGS. 1 and 2, the posture changing portion 62 is attached to the upper portion of the transport end portion 11b (drive case 51) of the first transport body 11.

As shown in FIGS. 8, 9 and 10, the posture changing portion 62 is provided with a guide portion 63, an endless rotating body 64, and a claw body 65.
Two sets of guide portions 63, one on the upper side and the other on the lower side, are provided, and the guide portion 63 is provided in a plan view from the transport end portion 11b (drive case 51) of the first transport body 11 toward the transport start end portion 12a of the second transport body 12. It is arranged so as to be inclined diagonally on the side (right side) close to the separation portion 5. In the guide portion 63, the side portion on the side (right side) closer to the separation portion 5 is the guide portion 63a.

In the drive case 51, the drive shaft 52 extends upward, the transmission shaft 66 is rotatably supported at the position of the shaft core P2 in the guide portion 63, and the drive shaft 52 and the transmission shaft 66 connect the connecting member 67. It is connected via.

A drive sprocket 68 is rotatably supported between the upper and lower guide portions 63, and a transmission chain 69 is attached over the sprocket 66a of the transmission shaft 66 and the drive sprocket 68.

A driven sprocket 70 is rotatably supported between the upper and lower guide portions 63, and the driven sprocket 71 is fitted onto the transmission shaft 66 so as to be relatively rotatable. A chain-shaped endless rotating body 64 is attached between the upper and lower guide portions 63 over the driving sprocket 68 and the driven sprockets 70 and 71.

As a result, the power of the drive shaft 52 is transmitted to the drive sprocket 68 via the transmission shaft 66 and the transmission chain 69, the drive sprocket 68 is rotationally driven, and the endless rotating body 64 is rotationally driven in the clockwise direction of FIG. Will be done.

The claw body 65 is attached to the endless rotating body 64 at a predetermined interval along the moving direction of the endless rotating body 64. The claw body 65 is attached to the endless rotating body 64 so that the posture can be freely changed to an acting posture in which the claw body 65 projects outward from the endless rotating body 64 and a non-acting posture in which the claw body falls down along the endless rotating body 64.

When the claw body 65 is integrally driven to rotate clockwise in FIG. 9 together with the endless rotating body 64, when the claw body 65 reaches the driving sprocket 68, the claw body 65 is operated in a non-acting posture and is driven from the driving sprocket 68. It is operated to the working posture from the vicinity slightly past the sprocket 70.
When the claw body 65 is operated to the working posture slightly past the driven sprocket 70, it moves from the driven sprocket 71 to the driving sprocket 68 while being maintained in the working posture, and when it reaches the driving sprocket 68, it is operated to the non-acting posture. ..

(Positional relationship between the posture changing part and the first and second conveyors)
As shown in FIGS. 1 and 8, the posture changing portion 62 is located at the upper side of the transport end portion 11b (drive case 51) of the first transport body 11 and the transport end portion 11b of the first transport body 11 in a side view. It is arranged over a position away from (drive case 51) on the rear side.

As shown in FIGS. 1 and 8, the posture changing portion 62 is arranged obliquely upward in a side view from the position above the transport end portion 11b (drive case 51) of the first transport body 11. And, as shown in FIG. 9, it overlaps with the transport start end portion 12a of the second transport body 12 in a plan view.

As shown in FIGS. 2 and 9, in the posture changing portion 62, the guide portion 63a of the guide portion 63 is from the transport end portion 11b (drive case 51) of the first transport body 11 to the transport start end portion 12a of the second transport body 12. It is arranged so as to be inclined toward the side (right side) close to the separation portion 5 in a plan view.

The endless rotating body 64 is rotationally driven around the axis along the vertical direction, and is driven along the guide portion 63a of the guide portion 63 from the transport end portion 11b (drive case 51) side of the first transport body 11. 2 The transport starting end portion 12a of the transport body 12 is in a state of moving to the position of the drive sprocket 68.

(Positional relationship of transmission system to posture change part and first carrier)
As shown in FIG. 10, the distribution transmission unit 72 is arranged at a position between the transportation end portion 11b and the posture changing unit 62 of the first transport body 11 on the left, and the distribution transmission unit 72 is in a state of being arranged. , The drive case 51, the bevel gear 52a of the drive shaft 52, and the bevel gear 53a of the transmission shaft 53 are provided.

A transmission unit 73 for transmitting power to the distribution transmission unit 72 from a position on the left outer side of the portion sandwiching the crop A by the first transport body 11 is provided, and the transmission unit 73 is provided with a transmission shaft 53 and a transmission. A pulley 53b of the shaft 53 and a transmission belt 54 are provided.

The drive shaft 52 is a lower transmission shaft that transmits the power transmitted to the distribution transmission unit 72 to the left first transport body 11 located below the distribution transmission unit 72. The upper transmission shaft 66 transmits the power transmitted to the distribution transmission unit 72 to the posture changing unit 62 located above the distribution transmission unit 72.

The transmission unit 74 is arranged at a position above the transfer end portion 11b of the first transport body 11 on the right, and the drive case 50, the bevel gear 52a of the drive shaft 52, and the transmission shaft 53 are arranged in the transmission unit 74. Bevel gear 53a is provided.

A transmission unit 75 for transmitting power to the transmission unit 74 from a position on the right outside of the portion sandwiching the crop A by the first transport body 11 is provided, and the transmission unit 75 includes a transmission shaft 53 and a transmission shaft. A pulley 53b of 53 and a transmission belt 54 are provided.
The lower transmission shaft that transmits the power transmitted to the transmission unit 74 to the right first transport body 11 located below the transmission unit 74 is the drive shaft 52.

(Structure of stock yuan support)
As shown in FIGS. 8, 11 and 13, the root A1 of the crop A is placed on the lower side of the second transport body 12 at a position far from the separation portion 5 (left side) in a plan view with respect to the transport start end portion 12a. A flat plate-shaped stock base support portion 76 that receives from the above and guides it to the rear side is arranged. The stock base support portion 76 extends diagonally downward and forward along the transport start end portion 12a of the second transport body 12 from the rear portion (the portion of the rotary wheel 56) of the transport start end portion 12a of the second transport body 12. ing.

(Structure of stock yuan guide section)
As shown in FIGS. 8, 11, 12, and 13, at the transport start end portion 12a of the second transport body 12, the stock source guide is along the side surface 12a2 on the side (left side) far from the separation portion 5 of the second transport body 12. A portion 77 is arranged, and the stock origin guide portion 77 prevents the stock origin A1 of the crop A from separating from the transport start end portion 12a of the second transport body 12.

The stock base guide portion 77 is formed in the shape of a round bar. The rear end of the stock guide portion 77 is arranged in the vicinity of the transport start end 13a of the guide rail 13, and the stock guide portion 77 extends forward along the transport start end 12a of the second transport body 12. Has been done. The stock source guide portion 77 extends from the front portion (the portion of the rotating wheel 55) of the transport start end portion 12a of the second transport body 12 to the side (left side) away from the transport start end portion 12a of the second transport body 12. ing.

A support shaft 77a facing in the left-right direction is connected to the front end of the stock guide portion 77. The support shaft 77a of the stock base guide portion 77 is slidably supported in the left-right direction by the support portion 78 attached to the machine body 1, and the front end portion of the stock base guide portion 77 is the transport start end portion of the second transport body 12. A spring 79 urging on the 12a side (right side) is attached to the support shaft 77a of the stock guide portion 77.

A support shaft 77b facing in the vertical direction is connected to the rear end of the stock guide portion 77. The support shaft 77b of the stock base guide portion 77 is slidably supported in the vertical direction on the front portion of the support frame 58, and the rear end portion of the stock base guide portion 77 is on the transport start end portion 12a side of the second transport body 12. A spring 80 for urging (lower side) is attached to a support shaft 77b of the stock guide portion 77.

(Structure of stem guide part)
As shown in FIGS. 4, 8, 11, 12, and 13, the stem portion of the crop A is placed at a position between the transport end portion 11b of the first transport body 11 and the posture changing portion 62 in a side view. A stem guide portion 81 for guiding the transport start end portion 12a (right side) of the 12 is provided.

The stalk guide portion 81 is formed in a round bar shape, and the stalk guide portion 81 is arranged along the upper part of the transport end portion 11b of the first transport body 11 on the left and is attached to the harvest portion 3. ..
The front portion 81a of the stem portion guide portion 81 is located in front of the front portion (the portion of the rotating wheel 55) of the transport start end portion 12a of the second transport body 12, and the first transport body 11 on the left in a plan view. It extends to the side (left side) away from the transport end portion 11b.

The rear portion 81b of the stem portion guide portion 81 is located near the upper side of the rear portion (the portion of the rotating wheel 56) of the transport start end portion 12a of the second transport body 12, and the transport start end of the second transport body 12 in a plan view. It extends to the portion 12a side (right side).

(Structure of upper guide part)
As shown in FIGS. 1, 2, 8 and 9, the upper guide portion 82 that guides the upper part of the crop A to the transport start end portion 12a side of the second transport body 12 at the position above the posture change portion 62 in the side view. Is provided.

The upper guide portion 82 is formed in a flat plate shape, and is attached to the upper guide portion 63 along the guide portion 63a of the upper guide portion 63 in the posture changing portion 62. The upper guide portion 82 is set in an oblique posture so that the portion above the portion attached to the upper guide portion 63 faces the transport end portion 11b side (right side) of the first transport body 11 on the right in a plan view. ing.

(Composition of rear guide and dustproof cover)
As shown in FIGS. 1, 8 and 11, the rear guide portion 83 is connected to the front end portion of the support frame 58. The rear guide portion 83 is formed in a flat plate shape, and is set in an oblique posture so as to face the transport end portion 11b side (left side) of the first transport body 11 on the left in a plan view.

As shown in FIGS. 1, 2, 8 and 11, the dustproof cover 84 is attached to the machine body 1 so as to be located on the right side of the posture changing portion 62. The dustproof cover 84 is formed in a box shape by a plate material, and an opening 84a is opened in the left portion (the portion on the posture changing portion 62 side) of the dustproof cover 84.

(The state of the crop at the transfer portion from the transport end of the first carrier to the transport start of the second carrier)
At the transfer portion from the transport end portion 11b of the first transport body 11 to the transport start end portion 12a of the second transport body 12, the crop A in the standing posture is changed to the sideways posture, and the posture of the first transport body 11 is changed. The stock owner A1 of the crop A whose posture has been changed from the transport end portion 11b to the sideways posture is sandwiched between the second transport body 12 and the guide rail 13.
The flow of crop A in the above-mentioned state will be described as follows.

As shown in FIGS. 1, 2 and 4, when the aircraft 1 is advanced in the state where the divider 48 is in contact with the field and the subsoiler 49 is in the field in the harvesting section 3, the crop A in the field is divided by the divider 48. Then, 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 11a of the first transport body 11 on the right and left.

The right and left first transporters 11 sandwich the crop A in the upright posture of the field from the right and left sides, and the right and left first transporters 11 pull out and lift the crop A, and the crop A stands up. While being maintained in the posture, it is transported to the harvesting section diagonally to the upper rear side along 3.

As shown in FIGS. 8, 9, 11 and 12, when the crop A in the standing posture reaches the transport end portion 11b of the first transport body 11, the stock source A1 of the crop A is received from below by the stock source support portion 76. While doing so, the left portion of the stock source A1 of the crop A comes into contact with the stock source guide portion 77, and the stock source A1 of the crop A is guided to the transport start end portion 12a of the second transport body 12.

Next, in a state where the crop A is sandwiched between the first transporters 11 on the right and left, the stock source A1 of the crop A is placed between the transport start end portion 12a of the second transporter 12 and the stock source guide portion 77. It is sandwiched and comes into contact with the transport start end portion 12a of the second transport body 12, and the stock source A1 of the crop A is in a state of being received from below by the stock source support portion 76.

In a state where the crop A is sandwiched by the first transporters 11 on the right and left, the stem portion of the crop A comes into contact with the stem guide portion 81, and the transport start end portion 12a side (right side) of the second transporter body 12). Will be guided to.
The rotation of the claw body 65 (endless rotating body 64) of the posture changing portion 62 causes the upper portion of the crop A to enter between the claw bodies 65, and the upper guide portion 82 comes into contact with the upper portion of the crop A.

As a result, the crop A is transported to the rear side (second transport body 12 side) by the right and left first transport bodies 11, and the stock source A1 of the crop A is transported by the transport start end portion 12a of the second transport body 12. The plant A1 is in a state of lying down a little.

By rotationally driving the claw body 65 (endless rotating body 64) of the posture changing portion 62, the upper portion of the crop A is conveyed by the claw body 65 along the guide portion 63a of the guide portion 63. The push operation is performed from the end portion 11b toward the transport start end portion 12a of the second transport body 12.

The guide portion 63a and the claw body 65 of the guide portion 63 separate the crop A from the transport end portion 11b of the first transport body 11 from the portion of the crop A with the fruit A2 with respect to the stock A1 of the crop A. The posture is changed to the sideways lying posture on the side closer to the part 5 (right side). The upper guide portion 82 assists the posture change of the crop A to the sideways posture described above.

Next, as shown in FIGS. 8, 9 and 13, when the crop is separated from the transport end portion 11b of the first transport body 11 to the rear side, the posture of the crop A is changed to the sideways posture by the posture change portion 62.
The stock source A1 of the crop A whose posture has been changed from the transport end portion 11b of the first transport body 11 to the sideways posture is sandwiched between the transport start end portion 12a of the second transport body 12 and the stock base guide portion 77. , It is in a state of getting on the transport start end portion 12a of the second transport body 12.

At the same time, the upper part of the crop A falls into the opening 84a of the dustproof cover 84, and the upper part of the crop A is guided toward the opening 84a of the dustproof cover 84 by the rear guide portion 83.

Next, the origin A1 of the crop A in the sideways posture is guided between the second transport body 12 and the transport start end portion 13a of the guide rail 13 by the guide member 61, and the second transport body 12 and the guide rail 13 The crop A is transported to the rear side in a sideways posture by the second transport body 12 and the guide rail 13.

(Another Embodiment of the Invention)
In the posture changing portion 62, the endless rotating body 64 and the claw body 65 may be abolished, and the posture changing portion 62 may be configured by the guide portion 63.
The posture changing portion 62 may be arranged between the transport end portion 11b of the first transport body 11 and the transport start end portion 12a of the second transport body 12 in a side view.

A harvesting portion 3 (first transport body 11), a second transport body 12, and a guide rail 13 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 second transport body 12 and the guide rail 13.

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 or the like.

5 Separation part 11 1st carrier 11b Transport end of 1st carrier 12 2nd carrier 12a Transport start of 2nd carrier 52 Drive shaft (lower transmission)
62 Posture change part 63 Guide part 64 Endless rotating body 65 Claw body 66 Transmission shaft (upper transmission shaft)
72 Distribution transmission part 73 Transmission part 81 Stem guide part 82 Upper guide part A Crop A1 Crop origin A2 Crop fruit P1, P2 Axial core

Claims (6)

Rotationally driven around the axis along the diagonal vertical direction, the crops in the field are sandwiched from the right and left sides and lifted from the field, and the lifted crops are transported to the rear side diagonally above while maintaining the upright posture. With the first right and left carriers,
A second carrier that is rotationally driven around the axis in the left-right direction, holds the root of the crop in a sideways position, and transports it to the rear side.
It is provided with a separating portion which is arranged on the right or left side of the second carrier and separates the fruits from the crops transported by the second carrier.
The transport routes of the crops by the left and right first transporters are formed linearly in a plan view, and the transport routes of the crops by the second transporters are formed linearly in a plan view.
A plan view of the crop from the transport end portion of the first transport body so as to change the posture so that the portion with the fruit of the crop is on the side closer to the separation portion with respect to the root of the crop. In the region where the transport end of the first transport body diagonally intersects the transport start end of the second transport body, the guide is provided to contact the portion of the crop that bears fruit, and the crop is contacted and transported. A crop harvester equipped with a posture change part that changes the posture of a crop by applying force . The posture changing portion moves in the transport direction of the crop along the guide portion that diagonally intersects the transport end portion of the first transport body and the transport start end of the second transport body in a plan view. The crop harvester according to claim 1 , further comprising a driven endless rotating body and a plurality of claw bodies that operate integrally . A stalk guide portion for guiding the stalk of the crop to the transport start end side of the second transport body is provided at a position between the transport end portion of the first transport body and the posture change portion in a side view. The crop harvester according to claim 1 or 2 . One of claims 1 to 3 , wherein an upper guide portion for guiding the upper part of the crop to the transport start end portion side of the second transport body is provided at a position above the posture change portion in a side view. The crop harvester described in. The endless rotating body of the posture changing portion is attached to a drive sprocket arranged at a predetermined interval along the moving direction of the endless rotating body, and the plurality of claw bodies project outward from the endless rotating body. The crop harvester according to any one of claims 2 to 4, which is configured to be freely switchable between an working posture and a non-acting posture that falls along an endless rotating body . A distribution transmission unit arranged between the transport end portion of the first transport body and the posture change portion, and
A transmission unit that transmits power to the distribution transmission unit from a position outside the portion that sandwiches the crop by the first carrier, and a transmission unit.
A lower transmission shaft that transmits the power transmitted to the distribution transmission unit to the first carrier located below the distribution transmission unit, and a lower transmission shaft.
The crop harvester according to claim 5 , further comprising an upper transmission shaft that transmits the power transmitted to the distribution transmission unit to the posture changing unit located above the distribution transmission unit.

Images