JP7127772B2 - crop harvester - Google Patents

Description

The present invention relates to a crop harvester for harvesting crops in a field.

An edamame harvester, which is an example of a crop harvester, has a configuration as disclosed in Patent Document 1. In Patent Document 1, a harvesting unit for harvesting crops in a field, a conveying body for conveying the crops harvested by the harvesting unit to the rear side while holding the base of the plant in a sideways posture, and a conveying unit arranged on the right side of the conveying unit. A separate section is provided.

In Japanese Patent Laid-Open No. 2004-100000, a separation unit includes an upper rotating body that is rotationally driven around an upper shaft center in a direction intersecting the conveying body in a plan view, and a lower shaft center that is below the upper shaft center and along the upper shaft center. A lower rotating body that is rotationally driven is provided.
The crops transported by the conveying body pass between the upper rotating body and the lower rotating body, and the upper rotating body and the lower rotating body hit the crops, thereby separating and collecting the fruits from the crops.

JP-A-6-78620

Crops such as green soybeans may have many fruits and branches or few fruits and branches depending on the growth of the crop.
The present invention is intended to improve the performance of separating nuts from crops in a crop harvester configured to separate nuts from crops by passing the crops between an upper rotating body and a lower rotating body that are rotationally driven. It is an object.

The crop harvester of the present invention is
a harvesting unit for harvesting crops in a field;
a conveying body that holds the root of the crop harvested by the harvesting section in a sideways posture and conveys it to the rear side;
and a separation unit disposed on the right or left side of the carrier,
The separation unit includes an upper rotating body that is rotationally driven around an upper shaft center in a direction that intersects with the conveying body in a plan view, and a lower shaft center that is below the upper shaft center and along the upper shaft center. A lower rotating body that is rotationally driven is provided,
The crops transported by the conveying body pass between the upper rotating body and the lower rotating body, and the crops are hit by the upper rotating body and the lower rotating body, whereby the fruits are separated from the crops,
a space changing unit for changing a vertical space between the upper rotating body and the lower rotating body ;
The interval changing unit is
a support plate to which a bearing for rotatably supporting the upper rotating body is connected;
a boss connected to the support plate;
a bolt that is rotatably supported by a lateral portion of the wall portion of the separating portion about a vertical axis and is inserted into the boss portion;
an operation part connected to the head of the bolt;
upper and lower disc springs attached to the bolts and sandwiching the lateral portion;
a nut attached to the bottom of the lower disc spring of the bolt;
a spring mounted between the boss portion of the bolt and the nut .

According to the present invention, the vertical interval between the upper rotor and the lower rotor is increased or decreased based on the state of the crop, such as a state in which there are many fruits or branches, or a state in which there are few fruits or branches. For example, it can be set to an appropriate value according to the state of the crop.
As a result, it is possible to avoid a state in which the fruits of the crop are damaged because the vertical distance between the upper rotating body and the lower rotating body is too small for the crop, and the vertical distance between the upper rotating body and the lower rotating body is too small for the crop. It is possible to avoid a situation in which the fruit is too large to be sufficiently separated from the crop, thereby improving the separation performance of the fruit from the crop.

In the present invention,
The space changing unit vertically changes the position of a portion of the upper rotator opposite to the conveying body , thereby changing the inclination angle of the upper rotator in the vertical direction, thereby changing the vertical space. It is preferable to change

In crops, there are often only stems near the base of the crop, and many fruits and branches are often attached to the upper part of the crop. As a result, the vicinity of the base of the crop is often in a constant state regardless of the growth condition of the crop, and the upper part of the crop may have more or less fruits and branches depending on the growth condition of the crop.

In the above-described state, when the base of the crop is held by the conveying body and the crop is conveyed in a sideways position, the upper part of the crop is positioned on the opposite side of the conveying body between the upper rotating body and the lower rotating body. will do.

According to the present invention, the vertical spacing between the portions of the upper rotating body and the lower rotating body on the opposite side of the transport body can be changed with high accuracy. As a result, in the vertical gap between the upper rotating body and the lower rotating body, the portion corresponding to the upper part of the crop with many fruits and branches (the portion on the opposite side of the conveying body in the upper rotating body and the lower rotating body) By changing the interval with high accuracy, it is possible to improve the separation performance of the fruit from the crop.

In the present invention,
a portion of the upper rotating body and a portion of the lower rotating body opposite to the transporting body are rotatably supported by the wall portion on the opposite side of the transporting body in the separation section;
It is preferable that the space changing portion is provided on the wall portion of the separating portion on the opposite side of the conveying body.

According to the present invention, by providing the interval changing portion on the wall portion of the separating portion on the opposite side of the conveying body, the wall portion of the separating portion on the opposite side of the conveying member can also be used as a support member for the interval changing portion. Therefore, it is advantageous in terms of structural simplification.

In the present invention,
A cover is operable between a closed position that covers the upper side of the separating section and an open position that opens the upper side of the separating section,
The space changing unit changes the vertical space by vertically changing the position of a portion of the upper rotator opposite to the conveying body to change the tilt angle of the upper rotator in the vertical direction. It is preferable to

According to the present invention, a cover is provided to cover the upper side of the separation section, and by operating the cover to the open position, maintenance work inside the separation section can be easily performed from the upper side of the separation section. can be improved.

When changing the vertical spacing between the upper rotating body and the lower rotating body, according to the present invention, since the position of the portion of the upper rotating body opposite to the transport body is changed vertically, the spacing changing section is located in the separating section. placed in a relatively high position. Accordingly, by operating the cover to the open position, the interval changing section can be easily operated from above the separating section, resulting in good workability.

In the present invention,
It is preferable that the interval changer vertically changes the position of the bearing that rotatably supports the portion of the upper rotating body opposite to the conveying body.

According to the present invention, by vertically changing the position of the bearing portion, it is possible to vertically change the position of the portion of the upper rotor on the opposite side of the conveying body without applying excessive force to the rotation of the upper rotor. .

In the present invention,
The first interval changing portion and the second interval changing portion are provided,
The first space changing section vertically changes the position of a portion of the upper rotor opposite to the conveying body to change the tilt angle of the upper rotor in the vertical direction, thereby changing the change the vertical spacing,
The second space changing unit vertically changes the position of the conveying body side portion of the upper rotating body to change the inclination angle in the vertical direction of the upper rotating body, thereby increasing the vertical space. It is preferable to change

Depending on the type of crop and the state of growth of the crop, there are many fruits and branches overall, there are few fruits and branches overall, and fruits and branches are gathered at the top of the crop. , and a state in which the fruits and branches of the crop are gathered near the base of the plant.

According to the present invention, the vertical spacing between the portions of the upper rotating body and the lower rotating body on the opposite side of the transport body can be changed with high accuracy by the first spacing changer.
The second interval changer can accurately change the vertical interval between the portion of the upper rotating body and the lower rotating body on the conveying body side.
By operating both the first and second space changers, it is possible to change the vertical space between the upper rotating body and the lower rotating body with high accuracy as a whole.

As a result, in the vertical spacing between the upper rotating body and the lower rotating body, the vertical spacing between appropriate portions of the upper rotating body and the lower rotating body can be accurately changed according to various conditions of the crop. It is possible to improve the actual separation performance.

In the present invention,
a portion of the upper rotating body and a portion of the lower rotating body opposite to the transporting body are rotatably supported by the wall portion on the opposite side of the transporting body in the separation section;
a first said interval changing portion is provided on said wall portion on the opposite side of said carrier in said separating portion;
parts of the upper rotating body and the lower rotating body on the transport body side are rotatably supported by the wall part of the separating part on the transport body side,
It is preferable that the second space changing portion is provided on the wall portion of the separating portion on the carrier side.

According to the present invention, by providing the first and second interval changing portions on the wall portion on the opposite side of the carrier in the separation portion and the wall portion on the side of the carrier, the wall portion on the opposite side of the carrier in the separation portion and the carrier Since the body-side wall portion can also be used as a support member for the first and second interval changing portions, it is advantageous in terms of structural simplification.

In the present invention,
A cover is operable between a closed position that covers the upper side of the separating section and an open position that opens the upper side of the separating section,
The first space changing unit vertically changes the position of a portion of the upper rotor opposite to the conveying body to change the inclination angle in the vertical direction of the upper rotor, thereby changing the vertical direction. change the interval,
The second space changing unit changes the vertical space by vertically changing the position of the conveying body side portion of the upper rotating body to change the inclination angle of the upper rotating body in the vertical direction. It is preferable to

According to the present invention, a cover is provided to cover the upper side of the separation section, and by operating the cover to the open position, maintenance work inside the separation section can be easily performed from the upper side of the separation section. can be improved.

When changing the vertical interval between the upper rotating body and the lower rotating body, according to the present invention, the positions of the portion of the upper rotating body opposite to the conveying member and the portion of the conveying member side are changed vertically. and a second spacing changer are arranged at a relatively high position in the separating section. As a result, by operating the cover to the open position, the first and second interval changing sections can be easily operated from above the separation section, resulting in good workability.

In the present invention,
the first interval changing unit vertically changes the position of the bearing portion that rotatably supports a portion of the upper rotating body opposite the conveying body;
It is preferable that the second interval changer vertically changes the position of the bearing that rotatably supports the conveying body side portion of the upper rotating body.

According to the present invention, by vertically changing the position of the bearing portion, the positions of the portion of the upper rotating body opposite to the conveying body and the portion of the conveying body side of the upper rotating body can be vertically moved without applying excessive force to the rotation of the upper rotating body. can be changed.

In the present invention,
A drive shaft to which power is transmitted is provided, and the transmission shaft is connected to the drive shaft via a universal joint,
a portion of the upper rotating body on the opposite side of the conveying body and the transmission shaft are connected via a universal joint,
It is preferable that power of the drive shaft is transmitted to the upper rotating body via the transmission shaft.

According to the present invention, power is transmitted from the drive shaft to a portion of the upper rotating body opposite to the carrying body, and the power is transmitted to the upper rotating body without difficulty without being affected by the carrying body. can do.

According to the present invention, since the portion of the upper rotating body opposite to the conveying member and the drive shaft are connected by the transmission shaft and the universal joint, the portion of the upper rotating member opposite to the conveying member and the driving shaft are connected. Therefore, by bending the transmission shaft and the universal joint, the position of the portion of the upper rotor on the opposite side of the conveying body can be changed up and down. , the position of the portion of the upper rotating body opposite the carrier can be changed up and down.

It is a left side view of an edamame harvester. It is a top view of an edamame harvester. FIG. 4 is a cross-sectional plan view of the vicinity of the rear portion of the harvesting section and the first lower rotating body and the second lower rotating body of the separating section; 4 is a cross-sectional plan view of the vicinity of the first upper rotating body and the second upper rotating body of the separation section; FIG. FIG. 10 is a left side view of the vicinity of the conveying end portion of the first conveying body, the conveying starting end portion of the second conveying body, and the attitude changing portion; It is a longitudinal rear view of the vicinity of the conveyance starting end of the second conveying body, the second upper rotating body, and the second lower rotating body of the separating section. It is a longitudinal rear view of the vicinity of the opposite side of the second conveying body in the second upper rotating body and the second lower rotating body of the separation unit. It is a longitudinal rear view of the vicinity of the opposite side of the second conveying body in the first upper rotating body and the first lower rotating body of the separating section. It is a front view near the 1st space|interval change part (1st upper rotating body). It is a front view near the 1st space|interval change part (2nd upper rotary body). FIG. 5 is an exploded perspective view of the vicinity of a second interval changer (first upper rotating body and second upper rotating body); It is a schematic diagram showing a transmission system from the engine to each part. FIG. 4 is a cross-sectional view of the first upper rotating body and the first lower rotating body as viewed from the second conveying body; FIG. 10 is a cross-sectional view of the second upper rotating body and the second lower rotating body as viewed from the second conveying body; FIG. 10 is a cross-sectional view of the second upper rotating body and the second lower rotating body as viewed from the second conveying body; FIG. 10 is a cross-sectional view of the second upper rotating body and the second lower rotating body as viewed from the second conveying body;

1 to 16 show an edamame harvester as an example of a crop harvester.
1 to 16, F indicates the "forward direction" of the airframe 1, B indicates the "backward direction" of the airframe 1, U indicates the "upward direction" of the airframe 1, and D indicates the "downward direction" of the airframe 1. direction. R indicates the "rightward direction" of the aircraft 1, and L indicates the "leftward direction" of the aircraft 1. As shown in FIG.

(Overall configuration of green soybean harvester)
As shown in FIGS. 1 and 2, a machine body 1 is supported by right and left crawler type traveling devices 2, and a harvesting section 3 is provided on the front left part of the machine body 1. An operating section 4 is provided on the right side of the section. A separation section 5 is provided at the rear of the machine body 1 , and a support table 6 and a work deck 7 are provided at the right side of the machine body 1 .

(Composition of the harvesting section)
As shown in FIGS. 1, 2, and 3, right and left driven pulleys 45 are rotatably supported in the front portion of the harvesting section 3 around an axis P1 extending in the oblique vertical direction. At the rear portion of the portion 3, right and left drive pulleys 46 are rotatably supported around an axis P2 along the oblique vertical direction. In this case, the axis P1 and the axis P2 are parallel to each other.

A right first carrier 8 made of a rubber belt is attached across the right driven pulley 45 and the right drive pulley 46 . A left first carrier 8 made of a rubber belt is attached across the left driven pulley 45 and the left drive pulley 46 .

Right and left first transport bodies 8 are fitted over the entire length of the harvesting station 3 . A large number of rollers 47 are rotatably supported in the harvesting section 3, and the rollers 47 support the opposite side of the first conveying body 8 from the mating portion (crop A pinching portion). Right and left dividers 48 and a subsoiler 49 are attached to the front part of the harvesting section 3 .

The harvesting section 3 is supported along the front-rear direction on the left part of the front part of the machine body 1 in a slanted posture when viewed from the side 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. It is
In the first conveying body 8, near the driven pulley 45 is the conveying starting end portion 8a, and near the driving pulley 46 is the conveying terminal end portion 8b. As a result, the right and left first conveying bodies 8 are linearly directed obliquely upward to the rear side from the conveying starting end 8a to the conveying terminal end 8b of the first conveying bodies 8 without being twisted. has been deferred.

(Structure of second carrier)
As shown in FIGS. 1, 3, 5, and 6, 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 on the left front part of the machine body 1 around a lateral axis, and a rotating wheel 57 rotates around a lateral axis on the left rear part of the machine body 1. freely supported.

A second conveying body 9 (corresponding to a conveying body) is attached across the drive sprocket 32 a of the drive mechanism 32 and the rotating wheels 55 , 56 , 57 . The second carrier 9 is a chain made of metal, and is provided with a triangular convex portion facing outward when viewed from the side. The drive sprocket 32a of the drive mechanism 32 rotates the second carrier 9 clockwise in FIG.

The second conveying body 9 extends rearward from the conveying end portion 8b of the first conveying body 8 and is arranged along the front-rear direction on the left side of the body 1, and on the right side of the second conveying body 9. A separating section 5 is arranged. In the second conveying body 9, the portion between the rotating wheel 55 and the rotating wheel 56 is the transport starting end portion 9a, and the vicinity of the rotating wheel 57 is the transport terminal end portion 9b.

As shown in FIGS. 1 and 5, the front portion (rotary wheel 55) of the transport start end 9a of the second transport body 9 is the rear portion (rotary wheel 56 part) of the transport start end 9a of the second transport body 9. part), and the transport start end 9a of the second transport body 9 is arranged in an obliquely upward inclined posture along the lower side of the transport end part 8b of the first transport body 8. there is
A portion of the second conveying body 9 extending from the rear portion (rotary wheel 56 portion) of the conveying start end portion 9a to the conveying end portion 9b is arranged in a substantially horizontal posture in a side view.

(Configuration of guide rail)
As shown in FIGS. 1, 5 and 6, the guide rail 13 has short channel-shaped members arranged in a line along the front-rear direction with the open side facing downward, and the adjacent front and rear channel-shaped members are arranged in the vertical direction. are connected to each other by pins so as to bend A guide rail 13 extends rearward along the upper side of the second carrier 9 .

A support frame 58 is supported in the front-rear direction on the upper left portion of the body 1 . A large number of support rods 59 are supported by the support frame 58 so as to be vertically movable, and the aforementioned pins for connecting the channel-shaped members of the guide rail 13 are supported below the support rods 59. The guide rail 13 (channel member) is supported so as to be vertically movable. A spring 60 is provided to bias the support rod 59 downward, and the guide rail 13 is pressed against the second carrier 9 .

In the guide rail 13, the leading channel-shaped member on the side of the conveying starting end portion 9a of the second conveying body 9 is the conveying starting end portion 13a. The transport start end 13a of the guide rail 13 is located slightly behind the rear portion (rotary wheel 56 portion) of the transport start end 9a of the second transport body 9. As shown in FIG.

With the above configuration, the root A1 of the crop A is positioned between the second conveying body 9 and the guide rail 13, as described later in (State of the Harvesting Section in the Overall Harvesting Flow of the Green Soybean Harvesting Machine). When the crop A is pinched, the root A1 of the crop A bends the guide rail 13 and lifts it upward. stock source A1 is clamped by a sufficient clamping force.

A guide member 61 made of a round bar is attached to the transfer starting end portion 13 a of the guide rail 13 . The guide member 61 extends forward along the second transport body 9, and extends diagonally upward in a side view from the rear portion (rotary wheel 56 portion) of the transport start end 9a of the second transport body 9. has been extended to Since the guide member 61 is attached to the transfer start end portion 13 a of the guide rail 13 , the guide member 61 moves vertically together with the transfer start end portion 13 a of the guide rail 13 .

(Structure of Posture Changer)
As shown in FIGS. 1, 2 and 5, a posture changer 62 is attached to the upper portion of the transport end portion 8b of the first transport body 8. As shown in FIGS. The posture changing section 62 is provided with a guide section 63 , an endless rotating body 64 and a claw body 65 .

Two sets of guide portions 63 are provided, one on the upper side and the other on the lower side. It is arranged obliquely to the side (right side).

The power transmitted to the first conveying body 8 (driving pulley 46) is branched and transmitted to the endless rotating body 64, and the endless rotating body 64 is driven to rotate clockwise in FIG. The claws 65 are attached to the endless rotating body 64 at predetermined intervals along the moving direction of the endless rotating body 64 and are rotated clockwise in FIG. 2 integrally with the endless rotating body 64 .

(Structure of Separation Unit)
As shown in FIGS. 1, 2 and 3, a separation section 5 is provided on the right side of the second carrier 9 .
The separation unit 5 includes a first upper rotating body 11 (corresponding to the upper rotating body), a first lower rotating body 12 (corresponding to the lower rotating body), a second upper rotating body 21 (corresponding to the upper rotating body), and a second lower rotating body. A rotating body 22 (corresponding to a lower rotating body) is provided.

In the separation section 5, the recovery conveyor 10 is arranged along the front-rear direction below the first upper rotating body 11 and the first lower rotating body 12, and the second upper rotating body 21 and the second lower rotating body 22. It is

A transfer conveyor 14 is provided along the left-right direction below the rear portion of the collection conveyor 10, and a discharge conveyor 15 is provided behind the rear portion of the collection conveyor 10 at a predetermined interval. A winnow 16 is provided at the end.

As shown in FIGS. 3, 4 and 6, wall portions 43 and 44 are provided in the separation portion 5 on the opposite side of the second carrier 9 . The wall portion 43 is arranged in the front-rear direction (parallel to the second carrier 9) in plan view, and the wall portion 44 is arranged obliquely to intersect the front-rear direction (the second carrier 9) in plan view.

Wall portions 40, 54, and 58a on the side of the second carrier 9 are provided in the separating portion 5, and the wall portions 40, 54, and 58a are arranged in the front-rear direction (parallel to the second carrier 9) in plan view. there is As shown in FIGS. 6 and 11, the wall portion 58a is a surface of the support frame 58 on the separating portion 5 side, and the wall portion 40 is a plate-like member connected to the wall portion 58a of the support frame 58. As shown in FIGS.

An opening 66 is provided along the second transport body 9 between the upper wall parts 40 and 58a and the lower wall part 54. The crop A enters the separating section 5 from the opening 66 in a sideways attitude and is transported rearward.

As shown in FIGS. 1, 2 and 3, a cover 53 is provided on the top of the separation section 5. As shown in FIGS. The cover 53 slides in the front-rear direction between a closed position (see FIGS. 1 and 2) that covers the upper side of the separating section 5 and an open position that opens the upper side of the separating section 5 at a position behind the closed position. Manipulatively supported.

(Arrangement of first upper rotating body and first lower rotating body, arrangement of second upper rotating body and second lower rotating body in separating section)
As shown in FIGS. 3, 4, and 8, in the separation section 5, the first upper rotating body 11 is rotatably mounted on the wall portion 44 and the wall portion 40 around the first upper shaft core P11 (corresponding to the upper shaft core). supported throughout.
The first lower rotating body 12 is rotatable about a first lower shaft center P12 (corresponding to a lower shaft center) along the first upper shaft center P11 on the lower side of the first upper shaft center P11. It is supported across the wall portion 54 .

As shown in FIGS. 3, 4, 6, and 7, in the separating section 5, the second upper rotary body 21 is rotatably connected to the wall section 44 around a second upper shaft core P21 (corresponding to the upper shaft core). It is supported across the wall portion 40 .
The second lower rotating body 22 is rotatable about a second lower shaft center P22 (corresponding to a lower shaft center) along the second upper shaft center P21 on the lower side of the second upper shaft center P21. It is supported across the wall portion 54 .

As shown in FIGS. 3 and 4, the first upper rotating body 11 and the first lower rotating body 12 are closer to the transport starting end of the second transport body 9 than the second upper rotating body 21 and the second lower rotating body 22 are. It is arranged on the 9a side (front side).

The portions of the first upper rotating body 11 and the first lower rotating body 12 on the side of the second conveying body 9 are positioned closer to the second conveying body 9 than the portions of the first upper rotating body 11 and the first lower rotating body 12 on the opposite side of the second conveying body 9. , so that the first upper rotating body 11 and the first lower rotating body 12 (the first upper shaft center P11 and the first lower shaft center P12) are positioned on the transport start end 9a side (front side) of the second transport body 9. , are arranged obliquely (intersecting) with respect to the second carrier 9 in a plan view.

The parts of the second upper rotating body 21 and the second lower rotating body 22 on the side of the second conveying body 9 are positioned closer to the second conveying body 9 than the parts of the second upper rotating body 21 and the second lower rotating body 22 on the opposite side of the second conveying body 9 . , so that the second upper rotating body 21 and the second lower rotating body 22 (the second upper shaft center P21 and the second lower shaft center P22) are positioned on the side (front side) of the conveying starting end portion 9a of the second conveying body 9. , are arranged obliquely (intersecting) with respect to the second carrier 9 in a plan view.

than the angle B1 between the first upper rotating body 11 and the first lower rotating body 12 (the first upper shaft center P11 and the first lower shaft center P12) and the second conveying body 9; The angle B2 between the lower rotating body 22 (the second upper shaft center P21 and the second lower shaft center P22) and the second conveying body 9 is set to be large.

As a result, the second upper rotating body 21 and the second lower rotating body 22 (the second upper shaft center P21 and the second lower shaft center P22) are rotated by the first upper rotating body 11 and the first lower rotating body 12 (the first upper rotating body). The posture is closer to the posture perpendicular to the second carrier 9 in plan view than the shaft center P11 and the first lower shaft center P12).

(Configuration of first upper rotating body, first lower rotating body, second upper rotating body, and second lower rotating body)
As shown in FIGS. 3, 4, 13 and 14, the first upper rotating body 11 is provided with a shaft portion 11a and two striking portions 11b and 11c. Similarly, the first lower rotating body 12, the second upper rotating body 21, and the second lower rotating body 22 have shaft portions 12a, 21a, and 22a and two striking portions 12b, 12c, 21b, 21c, 22b, and 22c. is provided.

In 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), shaft portions 11a, 12a, 21a, and 22a are formed in the shape of a hexagonal shaft. 1 upper shaft center P11 (first lower shaft center P12, second upper shaft center P21, second lower shaft center P22).

In the first upper rotating body 11 (the first lower rotating body 12, the second upper rotating body 21, the second lower rotating body 22), the striking portions 11b, 11c, 12b, 12c, 21b, 21c, 22b, and 22c are plate-shaped. , are connected to the shaft portions 11a, 12a, 21a, 22a with a phase difference of 180 degrees from each other and extend radially outward. Rims 11d, 12d, 21d and 22d made of hard rubber are attached to the outer ends of the striking portions 11b, 11c, 12b, 12c, 21b, 21c, 22b and 22c.

As shown in FIGS. 13 and 14, the diameter D1 of the locus of rotation of the first upper rotor 11 and the diameter D1 of the locus of rotation of the first lower rotor 12 are set to be the same. The diameter D2 of the locus of rotation of the second upper rotor 21 and the diameter D2 of the locus of rotation of the second lower rotor 22 are set to be the same.

The striking parts 11b, 11c, 12b, 12c of the first upper rotating body 11 and the first lower rotating body 12 are stronger than the striking parts 21b, 21c, 22b, 22c of the second upper rotating body 21 and the second lower rotating body 22. It is configured to be long in the radial direction.
Thereby, the diameter D1 of the rotation trajectories of the first upper rotating body 11 and the first lower rotating body 12 is set to be larger than the diameter D2 of the rotation trajectories of the second upper rotating body 21 and the second lower rotating body 22. ing.

(Configuration of transmission system from engine to each part)
As shown in FIG. 12, an engine 18 is supported in the lower portion of the operating section 4, a transmission case 19 is supported in the center of the front portion of the machine body 1, and a hydrostatic continuously variable transmission 20 is mounted in the transmission case. 19.

The power of the engine 18 is transmitted to the input shaft of the continuously variable transmission 20 via the transmission belt 24, and the power of the continuously variable transmission 20 is transmitted to the auxiliary transmission (not shown) inside the transmission case 19 and the like. It is transmitted to the traveling device 2 via. The power of the continuously variable transmission 20 is transmitted to the harvesting section 3 (driving pulley 46 ) and the posture changing section 62 via the gear transmission mechanism 25 and the transmission belt 23 .

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 drive mechanism 32 rotates the second carrier 9. .

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 collection conveyor 10 is transmitted to the conveyor 14 via the transmission belt 37, the bevel gear type transmission mechanism 38 and the transmission chain 39, and the conveyor 14 is rotationally driven. The power of the transmission shaft 28 is transmitted to the winnow 16 via the transmission belt 33, and the winnow 16 is driven to rotate.

(Configuration of Transmission System of First Upper Rotating Body, First Lower Rotating Body, Second Upper Rotating Body and Second Lower Rotating Body in Separation Section)
As shown in FIGS. 4, 7 and 8, the wall portion 44 is provided with the first interval changing portions 41 and 51 (corresponding to the interval changing portion) (corresponding to the first interval changing portion). A portion of the first upper rotating body 11 (shaft portion 11a) opposite to the second conveying body 9 is rotatably supported by the first interval changing portion 41, and the shaft portion 21a of the second upper rotating body 21 A portion on the opposite side of the second conveying body 9 is rotatably supported by the first interval changing portion 51 .

As shown in FIGS. 4, 5 and 6, the wall portion 40 is provided with second space changing portions 42 and 52 (corresponding to second space changing portions). A portion of the shaft portion 11a of the first upper rotating body 11 on the side of the second conveying member 9 is rotatably supported by the second interval changing portion 42, and the second conveying member of the shaft portion 21a of the second upper rotating member 21 is rotatably supported. A portion on the body 9 side is rotatably supported by the second interval changing portion 52 .

As shown in FIGS. 5, 6, 7 and 8, bearings 67 are provided on the walls 44,54. A portion of the shaft portion 12 a of the first lower rotating member 12 opposite to the second conveying member 9 and a portion thereof on the second conveying member 9 side are rotatably supported by the bearing portions 67 of the wall portions 44 and 54 . A portion of the shaft portion 22a of the second lower rotating member 22 opposite to the second conveying member 9 and a portion thereof on the second conveying member 9 side are rotatably supported by the bearing portions 67 of the wall portions 44 and 54, respectively.

As shown in FIGS. 3, 4, 7 and 8, walls 68 and 69 are provided outside the wall 44, over which a drive shaft 70 is supported. A transmission belt 34 is attached to the pulley 70c of the drive shaft 70, and the power of the transmission shaft 28 is transmitted to the drive shaft 70 via the transmission belt 34 (the structure of the transmission system from the engine to each part described above). and FIG. 12).

Above the drive shaft 70, the drive shaft 71 is supported across the walls 68 and 69, and the transmission gear 70a of the drive shaft 70 and the transmission gear 71a of the drive shaft 71 are engaged. The drive shafts 72 and 73 are supported by the wall portion 69, a transmission chain 74 is attached across the sprocket 70b of the drive shaft 70 and the sprocket 72a of the drive shaft 72, and the sprocket 71b of the drive shaft 71 and the drive shaft 73 are connected. A transmission chain 75 is attached across the sprocket 73a.

A transmission shaft 76 is connected to the drive shaft 72 via a universal joint 77, and the transmission shaft 76 is connected via the universal joint 77 to a portion of the shaft portion 12a of the first lower rotating body 12 opposite to the second carrier 9. It is connected. A transmission shaft 76 is connected to the drive shaft 70 via a universal joint 77, and the transmission shaft 76 is connected via the universal joint 77 to a portion of the shaft portion 22a of the second lower rotating body 22 opposite to the second carrier 9. It is connected.

A transmission shaft 78 is connected to the drive shaft 73 via a universal joint 79, and the transmission shaft 78 is connected via the universal joint 79 to a portion of the shaft portion 11a of the first upper rotating body 11 opposite to the second carrier 9. It is connected. A transmission shaft 78 is connected to the drive shaft 71 via a universal joint 79, and the transmission shaft 78 is connected via the universal joint 79 to a portion of the shaft portion 21a of the second upper rotating body 21 opposite to the second carrier 9. It is connected.

With the above configuration, as shown in FIG. 12, the power of the drive shaft 70 is transmitted to the second lower rotating body 22 via the transmission shaft 76, and the transmission gear 70a of the drive shaft 70, the transmission gear 71a of the drive shaft 71, The power is transmitted to the second upper rotating body 21 via the drive shaft 71 and the transmission shaft 78 .

The power of the drive shaft 70 is transmitted to the first lower rotating body 12 via the transmission chain 74, the drive shaft 72 and the transmission shaft 76, and the transmission gear 70a of the drive shaft 70, the transmission gear 71a of the drive shaft 71 and the transmission chain 75 , the drive shaft 73 and the transmission shaft 78 to the first upper rotating body 11 . be.

(Rotational direction of first upper rotating body and first lower rotating body, rotating direction of second upper rotating body and second lower rotating body)
As shown in FIGS. , a rotation phase setting unit 80 is provided in the separation unit 5 .

The rotation phase setting unit 80 includes a gear mechanism by which the drive shafts 70, 71, 72, and 73, the transmission gears 70a and 71a of the drive shafts 70 and 71, and the transmission gears 70a and 71a of the drive shafts 70 and 71 mesh, and a transmission chain. 74, 75, etc. are provided. In this case, instead of the transmission chains 74, 75, it is also possible to use a plurality of transmission gears (not shown).

As described below, the rotation phase setting unit 80 sets the rotation directions C1 and C2 of the first upper rotating body 11 and the first lower rotating body 12, and sets the second upper rotating body 21 and the second lower rotating body 22. are set.

As shown in FIGS. 8 and 14, the drive shaft 70 drives the second lower rotating body 22 to rotate in the rotational direction C2. is transmitted to the drive shaft 71 as power in the opposite direction, and the second upper rotating body 21 is rotationally driven in the rotation direction C1.

As a result, the striking portions 21b and 21c of the second upper rotating body 21 and the striking portions 22b and 22c of the second lower rotating body 22 move the portion between the second upper rotating body 21 and the second lower rotating body 22 to the second position. The rotation direction C1 of the second upper rotating body 21 and the rotating direction C2 of the second lower rotating body 22 are set so as to move toward the transport start end portion 9a of the second transport body 9 .

As shown in FIGS. 4, 7 and 8, the power of the drive shaft 71 is transmitted to the drive shaft 73 as power in the same direction via the transmission chain 75. As shown in FIG. The rotating body 11 is rotationally driven in the same rotational direction C1 as the second upper rotating body 21 .

As shown in FIGS. 3, 7 and 8, the power of drive shaft 70 is transmitted to drive shaft 72 as power in the same direction via transmission chain 74. As shown in FIG. The rotating body 12 is rotationally driven in the same rotational direction C<b>2 as the second lower rotating body 22 .

As a result, the striking parts 11b and 11c of the first upper rotating body 11 and the striking parts 12b and 12c of the first lower rotating body 12 move the portion between the first upper rotating body 11 and the first lower rotating body 12 to the first position. The rotation direction C1 of the first upper rotating body 11 and the rotating direction C2 of the first lower rotating body 12 are set so as to move toward the transport start end portion 9a of the second transport body 9 .

(Rotation Phase of First Upper Rotating Body and First Lower Rotating Body)
The rotation phase setting unit 80 sets the rotation phases of the first upper rotating body 11 and the first lower rotating body 12 as described below.

As shown in FIGS. 3, 4, 7 and 8, the transmission gear 70a of the drive shaft 70 and the transmission gear 71a of the drive shaft 71 are configured to have the same diameter, and the number of rotations of the second lower rotating body 22 (unit time The number of revolutions per unit time) (angular velocity) and the number of revolutions of the second upper rotor 21 (the number of revolutions per unit time) (angular velocity) are the same.

A sprocket 70b of the drive shaft 70 and a sprocket 71b of the drive shaft 71 are configured to have the same diameter, and a sprocket 72a of the drive shaft 72 and a sprocket 73a of the drive shaft 73 are configured to have the same diameter. The sprockets 72a, 73a of the drive shafts 72, 73 are configured to have a slightly larger diameter than the sprockets 70b, 71b of the drive shafts 70, 71 respectively.

As a result, the number of revolutions (number of revolutions per unit time) (angular velocity) of the first upper rotor 11 and the number of revolutions (number of revolutions per unit time) (angular velocity) of the first lower rotor 12 are the same. It's becoming
The rotational speeds of the second upper rotating body 21 and the second lower rotating body 22 are slightly higher than the rotating speeds of the first upper rotating body 11 and the first lower rotating body 12 .

As shown in FIG. 13, the rotational phase of the striking portions 11b and 11c of the first upper rotating body 11 and the rotational phase of the striking portions 12b and 12c of the first lower rotating body 12 are set to differ by 90 degrees. .

When the striking part 11b of the first upper rotating body 11 passes through the portion between the first upper rotating body 11 and the first lower rotating body 12, then the striking part 12b of the first lower rotating body 12 moves to the first It passes through the portion between the upper rotating body 11 and the first lower rotating body 12 .

Next, the striking portion 11c of the first upper rotating body 11 passes through the portion between the first upper rotating body 11 and the first lower rotating body 12, and then the striking portion 12c of the first lower rotating body 12 It passes through the portion between the first upper rotating body 11 and the first lower rotating body 12 .

In this manner, the striking portions 11b and 11c of the first upper rotating body 11 and the striking portions 12b and 12c of the first lower rotating body 12 move the portion between the first upper rotating body 11 and the first lower rotating body 12. alternately pass each other.

One of the striking parts 11b and 11c of the first upper rotating body 11 and the striking parts 12b and 12c of the first lower rotating body 12 passes through the portion between the first upper rotating body 11 and the first lower rotating body 12. Then, the other of the striking parts 11b and 11c of the first upper rotating body 11 and the striking parts 12b and 12c of the first lower rotating body 12 is positioned between the first upper rotating body 11 and the first lower rotating body 12. , the first time T1 has the same length in each of the striking portions 11b and 11c of the first upper rotating body 11 and the striking portions 12b and 12c of the first lower rotating body 12. It is.

(Rotation Phases of Second Upper Rotating Body and Second Lower Rotating Body)
The rotation phase setting unit 80 sets the rotation phases of the second upper rotating body 21 and the second lower rotating body 22 as described below.

As shown in FIG. 14, the rotational phase of the striking portions 21b and 21c of the second upper rotating body 21 and the rotational phase of the striking portions 22b and 22c of the second lower rotating body 22 are less than 90 degrees (larger angle) than 90 degrees. ) are set differently.

As shown in FIGS. 14 and 15, when the striking portion 21b of the second upper rotating body 21 passes through the portion between the second upper rotating body 21 and the second lower rotating body 22, the second lower rotating body A striking portion 22 b of the body 22 passes through a portion between the second upper rotating body 21 and the second lower rotating body 22 .

Next, as shown in FIG. 16, the hitting portion 21c of the second upper rotating body 21 passes through the portion between the second upper rotating body 21 and the second lower rotating body 22, and then the second lower rotating body 22 passes through a portion between the second upper rotating body 21 and the second lower rotating body 22 .

In this way, the striking portions 21b and 21c of the second upper rotating body 21 and the striking portions 22b and 22c of the second lower rotating body 22 move the portion between the second upper rotating body 21 and the second lower rotating body 22. alternately pass each other.

As shown in FIG. 14, the striking portion 21b of the second upper rotating body 21 passes through the portion between the second upper rotating body 21 and the second lower rotating body 22, and then the second lower rotating body 22 A second time T21 is assumed until the hitting portion 22b passes through the portion between the second upper rotating body 21 and the second lower rotating body 22. As shown in FIG.

As shown in FIG. 16, the striking portion 21c of the second upper rotating body 21 passes through the portion between the second upper rotating body 21 and the second lower rotating body 22, and then the second lower rotating body 22 Until the striking part 22c passes through the portion between the second upper rotating body 21 and the second lower rotating body 22, it is the same second time T21 as described above.

As shown in FIG. 15, the hitting portion 22b of the second lower rotating body 22 passes through the portion between the second upper rotating body 21 and the second lower rotating body 22, and then the second upper rotating body 21 A second time T22 is assumed until the striking portion 21c passes through the portion between the second upper rotating body 21 and the second lower rotating body 22. As shown in FIG.

As shown in FIG. 16, the hitting portion 22c of the second lower rotating body 22 passes through the portion between the second upper rotating body 21 and the second lower rotating body 22, and then the second upper rotating body 21 Until the striking part 21b passes through the portion between the second upper rotating body 21 and the second lower rotating body 22, it is the same second time T22 as described above.

In this case, the rotational phase of the striking portions 21b and 21c of the second upper rotating body 21 and the rotational phase of the striking portions 22b and 22c of the second lower rotating body 22 are different by an angle smaller (larger) than 90 degrees. , the second time T21 is set to be shorter than the second time T22.

Comparing the aforementioned (rotational phases of the first upper rotating body and the first lower rotating body) and the first time T1 (see FIG. 13) with the second times T21 and T22, the second upper rotating body 21 and the second Since the rotation speed of the lower rotor 22 is slightly higher than the rotation speeds of the first upper rotor 11 and the first lower rotor 12, the second times T21 and T22 are longer than the first time T1. set to short.
In this case, the second time T21 may be set shorter than the first time T1, and the first time T1 may be set shorter than the second time T22.

(Structure of the first interval changing section)
As shown in FIGS. 4, 7, 8, 9, and 10, the wall portion 44 is opposite to the first upper rotating body 11 and the first lower rotating body 12 (the second upper rotating body 21 and the second lower rotating body 22). A guide portion 81 is connected to the side surface along the vertical direction, and a flat support plate 82 is supported by the guide portion 81 so as to be vertically slidable along the wall portion 44 .

A bearing portion 83 is connected to the support plate 82, and the portion of the shaft portion 11a (shaft portion 21a) of the first upper rotating member 11 (second upper rotating member 21) opposite to the second conveying member 9 serves as the bearing. It is rotatably supported by the portion 83 . As described in (Configuration of transmission system of first upper rotating body and first lower rotating body, second upper rotating body and second lower rotating body in separating section), first upper rotating body 11 (second A transmission shaft 78 is connected via a universal joint 79 to a portion of the shaft portion 11 a (shaft portion 21 a ) of the upper rotary member 21 ) opposite to the second conveying member 9 .

A bolt 84 is rotatably supported on a horizontal portion 44a of the upper portion of the wall portion 44, and the head portion of the bolt 84 is connected to a flat plate-like operation portion 84a. A disc spring 85 and a nut 86 are attached to the bolt 84, and the lateral portion 44a of the wall portion 44 is sandwiched between the upper and lower disc springs 85. Even if the bolt 84 is rotated, the lateral portion of the wall portion 44 is held. The bolt 84 is prevented from moving up and down with respect to 44a.

A boss portion 82a is connected to the support plate 82, and a female screw portion is formed on the inner surface of the boss portion 82a. A bolt 84 is inserted into a boss portion 82 a of the support plate 82 , and a spring 87 is attached between the boss portion 82 a of the support plate 82 and a nut 86 .
As described above, the first interval changing portions 41 and 51 include the support plate 82 (boss portion 82a), the bolt 84 (operating portion 84a), the disc spring 85, the nut 86, the spring 87, and the like.

(Structure of the second interval changing section)
As shown in FIGS. 4 and 11, in the wall portion 40, a guide portion is provided on the surface of the first upper rotating body 11 and the first lower rotating body 12 (the second upper rotating body 21 and the second lower rotating body 22). 81 are connected along the vertical direction. A support plate 82 that is bent into an angle shape in a plan view is supported by a guide portion 81 so as to be slidable in the vertical direction along the wall portion 40 .

A bearing portion 83 is connected to the support plate 82 , and the portion of the shaft portion 11 a (shaft portion 21 a ) of the first upper rotating body 11 (second upper rotating body 21 ) on the second transfer body 9 side is the bearing portion 83 . is rotatably supported by

A bolt 84 is rotatably supported on a horizontal portion 88 in the upper portion of the separation portion 5 , and a flat plate-like operation portion 84 a is connected to the head of the bolt 84 . A disc spring 85 and a nut 86 are attached to the bolt 84 , and the lateral portion 88 is sandwiched between the upper and lower disc springs 85 . are prevented from moving to

A boss portion 82a is connected to the support plate 82, and a female screw portion is formed on the inner surface of the boss portion 82a. A bolt 84 is inserted into a boss portion 82 a of the support plate 82 , and a spring 87 is attached between the boss portion 82 a of the support plate 82 and a nut 86 .
As described above, the second interval changing portions 42 and 52 include the support plate 82 (boss portion 82a), the bolt 84 (operating portion 84a), the disc spring 85, the nut 86, the spring 87, and the like.

(Operation state of the first interval changing section and the second interval changing section)
As shown in FIGS. 1 and 2, when the cover 53 is operated to the closed position, the first interval changing portions 41, 51 and the second interval changing portions 42, 52 are positioned below the cover 53. , is covered by a cover 53 . When the cover 53 is operated to the open position, the operating portion 84a of the bolt 84 is exposed at the first interval changing portions 41, 51 and the second interval changing portions 42, 52. As shown in FIG.

As shown in FIGS. 4, 7 and 8, in the first interval changing portions 41, 51 and the second interval changing portions 42, 52, when the operation portion 84a of the bolt 84 is held and the bolt 84 is rotated, the bolt 84 and The support plate 82 is vertically slidable by a screw action with the boss portion 82a of the support plate 82. As shown in FIG.

In the first interval changing portions 41 and 51, the position of the bearing portion 83 is changed up and down as the support plate 82 is slid in the vertical direction, and the shaft of the first upper rotating body 11 (the second upper rotating body 21) is moved. The position of the portion of the portion 11a (shaft portion 21a) opposite to the second carrier 9 is changed up and down.

As a result, the shaft portion 11a (shaft portion 21a) of the first upper rotor 11 (second upper rotor 21) on the side of the second conveying member 9 (second interval changing portions 42, 52) serves as a fulcrum, and the The vertical inclination angle of the shaft portion 11a (shaft portion 21a) of the first upper rotor 11 (second upper rotor 21) is changed, and the first upper rotor 11 and the first lower rotor 12 move vertically. The spacing (the vertical spacing between the second upper rotating body 21 and the second lower rotating body 22) is changed.

In this case, the transmission shaft 78 and the universal joint 79 are vertically bent with respect to the drive shafts 71 and 73, so that the shaft portion 11a (shaft portion 21a) of the first upper rotor 11 (second upper rotor 21) is rotated. is allowed to change the position of the opposite part of the second carrier 9 at .

As shown in FIGS. 4, 6, and 11, in the second interval changing portions 42 and 52, as the support plate 82 is vertically slid, the position of the bearing portion 83 is changed up and down so that the first upper rotating body 11 (second upper rotating body 21), the position of the shaft portion 11a (shaft portion 21a) of the shaft portion 11a (shaft portion 21a) on the side of the second conveying body 9 is vertically changed.

As a result, the shaft portion 11a (shaft portion 21a) of the first upper rotary member 11 (second upper rotary member 21) on the opposite side of the second conveying member 9 (first interval changing portions 41 and 51) is used as a fulcrum. , the inclination angle in the vertical direction of the shaft portion 11a (shaft portion 21a) of the first upper rotor 11 (second upper rotor 21) is changed so that the first upper rotor 11 and the first lower rotor 12 (the vertical interval between the second upper rotating body 21 and the second lower rotating body 22) is changed.

By operating both the first interval changers 41, 51 and the second interval changers 42, 52, the overall position of the shaft portion 11a (shaft portion 21a) of the first upper rotor 11 (second upper rotor 21) is changed. is vertically changed, and the vertical interval of the shaft portion 11a (shaft portion 21a) of the first upper rotating body 11 (second upper rotating body 21) is changed as a whole.

When the rotation operation of the bolt 84 is stopped, the spring 87 presses the boss portion 82a and the nut 86 of the support plate 82, so that the disc spring 85 is pressed from above and below by the lateral portion 44a and lateral portion 88 of the wall portion 44. , the bolt 84 is held so as not to rotate due to the frictional resistance between the disc spring 85 and the lateral portions 44 a and 88 of the wall portion 44 .

(The state of the harvesting section in the flow of the entire harvest of the green soybean harvester)
Regarding the overall flow of harvesting in the green soybean harvester, the state of each part is as follows from this section (in the overall flow of harvesting of the green soybean harvester, the collection conveyor in the separation section, the transfer conveyor and the discharge conveyor) state) will be described in order.

As shown in FIGS. 1 and 2 , in the harvesting section 3 , when the divider 48 is in contact with the field and the subsoiler 49 is in the field, the machine body 1 is moved forward to divide the crop A in the field by the divider 48 . , while the subsoiler 49 is breaking up the field, the crop A in the upright position of the field enters the conveying start end portions 8a of the first conveying bodies 8 on the right and left sides.

The right and left first conveying bodies 8 hold the crop A in a standing posture in the field from the right and left sides, and the right and left first conveying bodies 8 pull out and lift the crop A, and the crop A stands up. It is conveyed obliquely upward and rearward along the harvesting section 3 while being maintained in the posture.

When the crop A reaches the conveying end portion 8b of the first conveying body 8, the posture changing portion 62 changes the transfer portion from the conveying end portion 8b of the first conveying body 8 to the conveying starting end portion 9a of the second conveying body 9. The upright posture of the crop A is changed to a sideways lying posture on the separating section 5 side, and the upper portion of the crop A falls down and enters the opening 26a of the dustproof cover 26.例文帳に追加

As described above, the root A1 of the crop A is transferred to the transport start end portion 9a of the second carrier 9, and the root A1 of the crop A lying sideways is connected to the second carrier 9 and the guide rail. 13 and the crop A is conveyed rearward by the second conveying body 9 .

(State at the separation section (first upper rotating body and first lower rotating body) in the flow of the entire harvest of the green soybean harvester)
As shown in FIGS. 3 and 6, the root A1 of the crop A lying sideways is sandwiched (held) between the second conveying body 9 and the guide rail 13, and the crop A is conveyed rearward. Then, the crop A enters the separating section 5 through the opening 66 of the separating section 5 and is conveyed from the conveying starting end 9a of the second conveying body 9 toward the conveying end 9b.

In the separating section 5, the crop A first enters between the first upper rotating body 11 and the first lower rotating body 12, and as shown in FIG. and the hitting portions 12b and 12c of the first lower rotating body 12 alternately and repeatedly hit the crop A, and the fruit A2 is separated from the crop A and dropped onto the collection conveyor 10 (the configuration of the separating portion described above). )reference).

In this case, since each of the first time T1 (see (Rotation phase of the first upper rotating body and the first lower rotating body) described above) has the same length, the striking portion 11b of the first upper rotating body 11 , 11c and the hitting portions 12b and 12c of the first lower rotating body 12 alternately and repeatedly hit the crop A at the same first time T1.

As shown in FIGS. 3 and 4, the first upper rotating body 11 and the first lower rotating body 12 are arranged at an angle B1 with respect to the second conveying body 9 (the above-mentioned (at the separation section) Arrangement of first upper rotating body and first lower rotating body, arrangement of second upper rotating body and second lower rotating body))).
As shown in FIG. 13, the rotation direction C1 of the first upper rotor 11 and the rotation direction C2 of the first lower rotor 12 are set (the rotation direction of the first upper rotor and the first lower rotor described above). direction, direction of rotation of the second upper rotator and second lower rotator))).

Due to the tilted arrangement and the rotational directions C1 and C2 of the first upper rotating body 11 and the first lower rotating body 12, the striking portions 11b and 11c of the first upper rotating body 11 and the striking portions 12b and 12b of the first lower rotating body 12 are provided. When 12c hits the crop A, while the root A1 of the crop A is held by the second carrier 9, the crop A is pulled upward from the root A1 side (the side of the second carrier 9). A component of force is generated. As a result, the crop A is not compressed toward the root A1 and buckled and bent, and the fruit A2 is separated from the crop A without difficulty.

(State at the separation section (second upper rotating body and second lower rotating body) in the flow of the entire harvest of the green soybean harvester)
In the separation section 5, the crop A next enters between the second upper rotor 21 and the second lower rotor 22, and as shown in FIGS. The hitting parts 21b, 21c and the hitting parts 22b, 22c of the second lower rotating body 22 alternately and repeatedly hit the crop A, and the fruits A2 remaining on the crop A are separated without leaving any residue on the collecting conveyor 10. (See (Structure of Separation Unit) above).

In this case, since the second times T21 and T22 are shorter than the first time T1 (see (Rotation phase of the second upper rotating body and the second lower rotating body) described above), the striking part of the second upper rotating body 21 21b, 21c and the striking parts 22b, 22c of the second lower rotating body 22 hit the crop A, It is more than the number of hits to A.

Since each of the second times T21 and T22 has a different length, after the striking part 21b of the second upper rotating body 21 hits the crop A, the second lower rotating body can be hit without delay after the short second time T21. 22 strikes the crop A. After a slightly longer time T22, the striking part 21c of the second upper rotating body 21 hits the crop A, and after a short second time T21, the striking part 22c of the second lower rotating body 22 hits the crop A without delay. hit.

As a result, the striking parts 21b and 21c of the second upper rotating body 21 and the striking parts 22b and 22c of the second lower rotating body 22 simultaneously strike the crop A (in the short second time T21). can get.

As shown in FIGS. 3 and 4, the second upper rotating body 21 and the second lower rotating body 22 are arranged at an angle B2 with respect to the second conveying body 9 (the above-mentioned (at the separation section) Arrangement of first upper rotating body and first lower rotating body, arrangement of second upper rotating body and second lower rotating body))).
As shown in FIGS. 14, 15, and 16, the rotation direction C1 of the second upper rotor 21 and the rotation direction C2 of the second lower rotor 22 are set (the first upper rotor and the first lower rotor described above). Rotation direction of rotor, rotation direction of second upper rotor and second lower rotor))).

Due to the inclined arrangement and rotation directions C1 and C2 of the second upper rotating body 21 and the second lower rotating body 22, the striking parts 21b and 21c of the second upper rotating body 21 and the striking parts 22b and 22b of the second lower rotating body 22 are formed. When 22c hits the crop A, while the root A1 of the crop A is held by the second carrier 9, the crop A is pulled upward from the root A1 side (the side of the second carrier 9). A component of force is generated. As a result, the crop A is not compressed to the side of the root A1 and buckled and bent, and the fruit A2 is separated from the crop A without difficulty.

(In the entire harvest flow of the green soybean harvester, the state of the collection conveyor, transfer conveyor, and discharge conveyor in the separation section)
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, and separated. The fruits A2 that have been picked drop onto the collecting conveyor 10. - 特許庁When the fruit A2 is separated from the crop A, debris such as leaves is also separated and dropped onto the collecting conveyor 10. - 特許庁The crop A from which the fruit A2 has been separated is discharged from the conveying end portion 9b of the second conveying body 9 to the field.

A collecting conveyor 10 is driven to rotate rearward, and the actual A2 and scraps dropped on the collecting conveyor 10 are conveyed rearward by the collecting conveyor 10 and dropped from the rear of the collecting conveyor 10 to a conveying conveyor 14.例文帳に追加

The wind carrying the winnow 16 flows from the lower side of the recovery conveyor 10 to the rear side, passes between the recovery conveyor 10 and the discharge conveyor 15, and flows over the discharge conveyor 15 to the rear side.
When the fruit A2 and scraps fall from the rear part of the collection conveyor 10, the fruit A2 fall against the carrying wind of the winnow 16 and fall onto the transfer conveyor 14.例文帳に追加The scraps are blown by the carrying wind of the winnow 16 and ride on the discharge conveyor 15, and the scraps on the discharge conveyor 15 are conveyed rearward by the discharge conveyor 15 and discharged to the field.

The conveyer 14 is driven to rotate toward the support table 6 , and a large number of collection boxes 17 are placed on the support table 6 . Fruits A2 that have fallen onto the conveyor 14 are conveyed to the support table 6 side by the conveyor 14 and put into a recovery box 17 located at the end of the conveyance of the conveyor 14 . When the collection box 17 positioned at the terminal end of the transfer conveyor 14 becomes full, the auxiliary worker on the work deck 7 replaces it with an empty collection box 17 .

(First alternative embodiment of the invention)
The first spacing changing portion 41 may be provided on the first lower rotating body 12 and the second spacing changing portion 42 may be provided on the first upper rotating body 11 as described above.
The first interval changing portion 41 may be provided on the first upper rotating body 11 as described above, and the second interval changing portion 42 may be provided on the first lower rotating body 12 (wall portion 54).
Both the first interval changing portion 41 and the second interval changing portion 42 may be provided on the first lower rotating body 12 .
The second interval changing portion 42 may be eliminated and the first interval changing portion 41 may be provided, or the first interval changing portion 41 may be eliminated and the second interval changing portion 42 may be provided. may

(Second alternative embodiment of the invention)
The first spacing changing portion 51 may be provided on the second lower rotating body 22 and the second spacing changing portion 52 may be provided on the second upper rotating body 21 as described above.
The first interval changing portion 51 may be provided on the second upper rotating body 21 as described above, and the second interval changing portion 52 may be provided on the second lower rotating body 22 (wall portion 54).
Both the first interval changing portion 51 and the second interval changing portion 52 may be provided on the second lower rotating body 22 .
The second interval changing portion 52 may be eliminated and the first interval changing portion 51 may be provided, or the first interval changing portion 51 may be eliminated and the second interval changing portion 52 may be provided. may

(Third alternative embodiment of the invention)
In the first upper rotating body 11, only one striking portion 11b may be provided, or three or more striking portions 11b and 11c may be provided.
In the first lower rotating body 12, only one hitting portion 12b may be provided, or three or more hitting portions 12b and 12c may be provided.
In the second upper rotating body 21, only one striking portion 21b may be provided, or three or more striking portions 21b and 21c may be provided.
In the second lower rotating body 22, only one hitting portion 22b may be provided, or three or more hitting portions 22b and 22c may be provided.

(Fourth alternative embodiment of the invention)
In the first upper rotating body 11 and the first lower rotating body 12, the rotation phase of the striking parts 11b and 11c of the first upper rotating body 11 and the rotating phase of the striking parts 12b and 12c of the first lower rotating body 12 are It may be set differently for an angle slightly larger than 90 degrees and an angle slightly smaller than 90 degrees. According to this configuration, a plurality of first times T1 having slightly different lengths are generated.

(Fifth alternative embodiment of the invention)
The portions of the first upper rotating body 11 and the first lower rotating body 12 on the side of the second conveying body 9 are positioned closer to the second conveying body 9 than the portions of the first upper rotating body 11 and the first lower rotating body 12 on the opposite side of the second conveying body 9. , the first upper rotating body 11 and the first lower rotating body 12 (the first upper shaft center P11 and the first lower shaft center P12) so as to be located on the side (rear side) of the conveying end portion 9b of the second conveying body 9. may be arranged obliquely (intersecting) with respect to the second carrier 9 in plan view.

According to this configuration, the striking portions 11b and 11c of the first upper rotating body 11 and the striking portions 12b and 12c of the first lower rotating body 12 are located between the first upper rotating body 11 and the first lower rotating body 12. to the conveying end portion 9b side of the second conveying member 9, the rotating direction C1 of the first upper rotating member 11 and the rotating direction C2 of the first lower rotating member 12 may be set.

(Sixth alternative embodiment of the invention)
The parts of the second upper rotating body 21 and the second lower rotating body 22 on the side of the second conveying body 9 are positioned closer to the second conveying body 9 than the parts of the second upper rotating body 21 and the second lower rotating body 22 on the opposite side of the second conveying body 9 . , the second upper rotating body 21 and the second lower rotating body 22 (the second upper shaft center P21 and the second lower shaft center P22) so as to be located on the side (rear side) of the conveying end portion 9b of the second conveying body 9. may be arranged obliquely (intersecting) with respect to the second carrier 9 in plan view.

According to this configuration, the striking portions 21b and 21c of the second upper rotating body 21 and the striking portions 22b and 22c of the second lower rotating body 22 are located between the second upper rotating body 21 and the second lower rotating body 22. The rotation direction C1 of the second upper rotator 21 and the rotation direction C2 of the second lower rotator 22 may be set so that the .

(Seventh alternative embodiment of the invention)
3, 7, 8 and 12, the power of the transmission shaft 28 may be transmitted to the drive shaft 71 via the transmission belt 34. FIG.

The transmission gears 70a and 71a are provided on the drive shafts 72 and 73 instead of the drive shafts 70 and 71 so that the power of the transmission shaft 28 is transmitted to the drive shaft 71 or 73 via the transmission belt 34. You may
According to this configuration, the power of the drive shaft 72 is transmitted to the drive shaft 70 via the transmission chain 74 and the power of the drive shaft 73 is transmitted to the drive shaft 71 via the transmission chain 75 .

(Eighth alternative embodiment of the invention)
A harvesting section 3 (first conveying body 8), a second conveying body 9 and a guide rail 13 may be provided on the right part of the front part of the machine body 1. According to this configuration, the separation section 5 is provided on the left side of the second carrier 12 and the guide rail 13 .

The present invention can be applied not only to green soybean harvesters but also to crop harvesters for harvesting crop A such as soybeans. It can also be applied to a crop harvester that harvests the crop A while cutting it with a cutter or the like and leaving the roots in the field.

3 Harvesting Unit 5 Separating Unit 9 Conveying Body 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)
41, 51 first interval changing portion (interval changing portion)
42, 52 second interval changing portion (interval changing portion)
40, 54, 58a wall portion 44 wall portion
44a sideways part
53 cover
71, 73 drive shaft 77 universal joint 78 transmission shaft
82 support plate
82a boss
83 bearing
84 volts
84a operation unit
85 disc spring
86 nut
87 spring
88 sideways part
A Crop A1 Root A2 Fruit P11 First upper axis (upper axis)
P12 First Lower Shaft Center (Lower Shaft Center)
P21 Second upper shaft center (upper shaft center)
P22 Second Lower Shaft Center (Lower Shaft Center)

Claims (10)

a harvesting unit for harvesting crops in a field;
a conveying body that holds the root of the crop harvested by the harvesting section in a sideways posture and conveys it to the rear side;
and a separation unit disposed on the right or left side of the carrier,
The separation unit includes an upper rotating body that is rotationally driven around an upper shaft center in a direction that intersects with the conveying body in a plan view, and a lower shaft center that is below the upper shaft center and along the upper shaft center. A lower rotating body that is rotationally driven is provided,
The crops transported by the conveying body pass between the upper rotating body and the lower rotating body, and the crops are hit by the upper rotating body and the lower rotating body, whereby the fruits are separated from the crops,
a space changing unit for changing a vertical space between the upper rotating body and the lower rotating body ;
The interval changing unit is
a support plate to which a bearing for rotatably supporting the upper rotating body is connected;
a boss connected to the support plate;
a bolt that is rotatably supported on a sideways portion of the wall portion of the separation portion and inserted into the boss portion;
an operation part connected to the head of the bolt;
upper and lower disc springs attached to the bolts and sandwiching the lateral portion;
a nut attached to the bottom of the lower disk spring of the bolt;
a spring mounted between the boss on the bolt and the nut . The space changing unit vertically changes the position of a portion of the upper rotator opposite to the conveying body , thereby changing the inclination angle of the upper rotator in the vertical direction, thereby changing the vertical space. A crop harvester according to claim 1, modified. a portion of the upper rotating body and a portion of the lower rotating body opposite to the transporting body are rotatably supported by the wall portion on the opposite side of the transporting body in the separation section;
3. The crop harvester according to claim 2, wherein the interval changing portion is provided on the wall portion of the separating portion on the opposite side of the conveying body. A cover is operable between a closed position that covers the upper side of the separating section and an open position that opens the upper side of the separating section,
The space changing unit changes the vertical space by vertically changing the position of a portion of the upper rotator opposite to the conveying body to change the tilt angle of the upper rotator in the vertical direction. The crop harvester according to claim 2 or 3. 5. The crop harvesting machine according to claim 4, wherein the interval changing portion vertically changes the position of the bearing portion that rotatably supports the portion of the upper rotating body opposite to the conveying body. The first interval changing portion and the second interval changing portion are provided,
The first space changing section vertically changes the position of a portion of the upper rotor opposite to the conveying body to change the tilt angle of the upper rotor in the vertical direction, thereby changing the change the vertical spacing,
The second space changing unit vertically changes the position of the conveying body side portion of the upper rotating body to change the inclination angle in the vertical direction of the upper rotating body, thereby increasing the vertical space. A crop harvester according to claim 1, modified. a portion of the upper rotating body and a portion of the lower rotating body opposite to the transporting body are rotatably supported by the wall portion on the opposite side of the transporting body in the separation section;
a first said interval changing portion is provided on said wall portion on the opposite side of said carrier in said separating portion;
parts of the upper rotating body and the lower rotating body on the transport body side are rotatably supported by the wall part of the separating part on the transport body side,
7. The crop harvesting machine according to claim 6, wherein the second interval changing portion is provided on the wall portion of the separating portion on the carrier side. A cover is operable between a closed position that covers the upper side of the separating section and an open position that opens the upper side of the separating section,
The first space changing unit vertically changes the position of a portion of the upper rotor opposite to the conveying body to change the inclination angle in the vertical direction of the upper rotor, thereby changing the vertical direction. change the interval,
The second space changing unit changes the vertical space by vertically changing the position of the conveying body side portion of the upper rotating body to change the inclination angle of the upper rotating body in the vertical direction. Crop harvester according to claim 6 or 7. the first interval changing unit vertically changes the position of the bearing portion that rotatably supports a portion of the upper rotating body opposite the conveying body;
9. The crop harvesting machine according to claim 8, wherein the second interval changer vertically changes the position of the bearing portion that rotatably supports the portion of the upper rotating body on the carrier side. A drive shaft to which power is transmitted is provided, and the transmission shaft is connected to the drive shaft via a universal joint,
a portion of the upper rotating body on the opposite side of the conveying body and the transmission shaft are connected via a universal joint,
The crop harvester according to any one of claims 1 to 9, wherein power of said drive shaft is transmitted to said upper rotating body via said transmission shaft.

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