JP2009027966A - Combine harvester - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a combine harvester which can pick up planted grain straws of three rows with a pair of pick-up devices, and can simultaneously avoid the body breakage of the pick-up grain straws. <P>SOLUTION: A distance W1 between a central divider 12C placed at the center of three dividers 12L, 12C and 12R arranged in the lateral direction of a travel machine frame and the first outer divider 12R placed on one outside is set to be larger than a distance W2 between the central divider 12C and the second outer divider 12L placed on the other outside. Further, a ground altitude H1 at the lower end 31b of the pick-up case 31 in the first pick-up device 30R acting on planted grain straws from the central divider 12C and the first outer divider 12R is set to be larger than a ground altitude H2 at the lower end 33b of the pick-up case 33 in the second pick-up device 30L acting on planted grain straws from the central divider 12C and the second outer divider 12L. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention is a first pulling device that acts on the planted cereal from the middle divider located in the middle of the three dividers arranged in the transverse direction of the traveling machine body and the first outer divider located on the outside of one, A second pulling device that acts on a planted culm from the middle divider of the three dividers and the second outer divider located on the other outer side is provided in the cutting part, the first pulling device and In the second pulling device, a pulling case, a pulling claw that pulls out from the pulling case and protrudes into the path to move up the pulling path, and moves down the return path to return to the pulling path. It is related to the combine which is equipped with.

  In the above-described combine, two planting ridges are caused by the first raising device and the second raising device, and three planting items are produced by the first raising device and the second raising device. Conventionally, for example, there has been one described in Patent Document 1 as one that has made it possible to perform both the raising process of the planted cereal rice cake.

The combine described in Patent Literature 1 includes three weeding tools (corresponding to a divider) and two pulling devices that are arranged side by side in the lateral direction of the traveling machine body at the front part of the cutting part.
A weeding tool located in the middle of the three weeding tools (hereinafter referred to as a middle weeding tool) and a weeding tool located on the passenger seat side with respect to this middle weeding tool (hereinafter referred to as a seat) The spacing between the middle weeding tool and the weeding tool located on the opposite side of the passenger seat side with respect to the middle weeding tool (hereinafter referred to as the anti-seat side weeding tool). It is larger than the interval between the middle and lower wings. It is possible to introduce planting stems of two planting strips by means of grass tools.
Planting stems of one planting strip from the middle weed tool and the anti-seat side weed tool are caused by the raising device located on the opposite side of the passenger seat side of the two raising devices. Is done.
The planting stems of the two planting strips from the middle weed tool and the seat side weed tool are the raising device (hereinafter referred to as the seat side raising device) located on the passenger seat side of the two raising devices. To be processed.
That is, the seat side pulling device is provided with a stem raising mechanism that is located along the lateral direction of the fuselage at the bottom of the seat side pulling device. This stem-and-raise claw that raises the stem and moves its action path is the side where the seat-side weed tool of the device is located by raising the plant-side stem from the mid-weed tool and the seat-side weed tool. The sheet is pulled and conveyed to the opposite side to be fed to the seat side and is supplied to the raising action path of the device.

Japanese Patent Publication No.57-12562

When the above-mentioned conventional technology is adopted so as to enable the raising processing of the three-row planted cereal by the pair of the first elevating device and the second elevating device, the culm of the cereal is broken. There was a case that it was easy to occur.
In other words, the interval between the middle divider located in the middle of the three dividers and the first outer divider located outside one is larger than the gap between the middle divider and the second outer divider located outside the other. In addition, when the two planted culms from the middle divider and the first outer divider are configured to be triggered and processed by the first raising device, the planted culm from the first outer divider and the middle divider is In particular, the planted culm located in the vicinity of the first outer divider is supplied to the raising path of the first raising device in a state where the slimming is caused by the first raising and the device is bent by the pulling of the claws.
When the above-mentioned conventional technology is adopted, the planted culm drawn from the first outer divider to the first raising device's raising path moves from the front of the first raising device to the rear as the cutting part advances. However, the slimming is caused by the first raising and the ground height of the device is low, so that it can pass under the case, and the slimming is likely to occur.

  The objective of this invention is providing the combine which is easy to avoid the above-mentioned body breaking while being able to perform the raising process of the three-row planted cereal grain by a pair of raising apparatus.

This 1st invention is the 1st raising apparatus which acts on the planted cereal grain from the middle divider located in the middle of the three dividers arranged in the horizontal direction of the traveling machine body and the first outer divider located on the one outer side And a second pulling device that acts on the planted culm from the middle divider of the three dividers and the second outer divider located outside the other, in the cutting part,
The first pulling device and the second pulling device have a pulling case, a pulling case protruding from the pulling case, projecting into the path, moving up the trigger path, and moving down the return path to move the trigger In a combine equipped with a raised claw that returns to the path,
An interval between the middle divider and the first outer divider is set to be larger than an interval between the middle divider and the second outer divider;
The ground height of the lower end of the pulling case in the first pulling device is set larger than the ground height of the lower end of the pulling case in the second pulling device.

  According to the configuration of the first aspect of the present invention, a planted culm of one planting line is introduced between the middle divider and the first outer divider, and the single planted cereal is separated by the middle divider and the first outer divider. A single raising device is introduced between the middle divider and the second outer divider, and this one planted potato is introduced into the second by the middle divider and the second outer divider. Can be fed to the pulling device. In addition to this, two planted grain culms are introduced between the middle divider and the first outside divider, and the two cultivated grains are first caused by the middle divider and the first outside divider. Introducing a planted culm of one planting line between the middle divider and the second outer divider, this single planted culm is caused to a second raising device by the middle divider and the second outer divider. Can be supplied.

  Moreover, according to the structure of this 1st invention, the ground height of the lower end of the raising case in the 1st raising apparatus is set larger than the ground height of the lower end of the raising case in the 2nd raising apparatus. Therefore, the planted cereal grains that move from the front of the first raising device to the rear in the state of being drawn to the first raising device from the vicinity of the first outside divider have a high ground height of the first raising device. As a result, the lower end of the case is passed through, so that the bending angle of the slime becomes large and the slimming is unlikely to occur.

  Therefore, the work of raising and treating two rows of planted cereals with a pair of raising devices of the first raising device and the second raising device is also caused by raising and treating the three rows of planted cereals. Although the work can also be performed, it is possible to perform a smooth work that is less likely to cause clogging and posture disorder of the transported culm due to the broken culm of the planted culm attracted to the first pulling device it can.

In the second invention, the first pulling device is positioned in front of the driving unit of the traveling machine body so as to overlap the driving unit and the traveling machine body in the front-rear direction,
The position of the front end of the first outer divider and the position of the lateral end of the crawler belt in the crawler belt in the crawler traveling device located behind the first external divider coincide or substantially coincide with each other in the lateral direction of the traveling machine.
The position of the tip of the second outer divider and the position of the lateral end of the crawler belt in the crawler traveling device located behind the second outer divider coincide or substantially coincide with each other in the lateral direction of the traveling machine. Yes.

  According to the configuration of the second aspect of the present invention, the distance between the tips of the first outer divider and the second outer divider is the distance between the crawler lateral outer ends of the left and right traveling devices (hereinafter referred to as a tread of the traveling machine body). The cutting part can be operated immediately before the stepping allowance of the traveling machine body in a state that is the same as or almost the same.

  Therefore, it is possible not only to raise and treat the three-row planted cereal by a pair of raising devices of the first raising device and the second raising device, but also to set up by the left and right crawler traveling devices. It is possible to perform good mid-cutting and surrounding cutting work that does not cause trampling of cereals.

Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a left side view of an entire combine according to an embodiment of the present invention. FIG. 2 is an overall plan view of the combine according to the embodiment of the present invention. FIG. 3 is a front view of the combine according to the embodiment of the present invention. FIG. 4 is a right side view of the entire combine according to the embodiment of the present invention. As shown in these drawings, a combine according to an embodiment of the present invention includes a traveling machine body including a pair of left and right crawler traveling devices 1 and 1 (hereinafter, abbreviated as traveling device 1), and a body of the traveling machine body. A cutting part 3 connected to the front part of the frame 2, a threshing device 4 and a grain tank 5 provided side by side in the lateral direction of the traveling machine on the rear side of the machine frame 2 are configured. This combine harvests rice and wheat.

  That is, the traveling aircraft includes the pair of left and right traveling devices 1, 1, a driving unit 6 provided on one end side in the lateral direction of the vehicle body at the front of the aircraft frame 2, and a driving seat 7 provided in the driving unit 6. And a driving section equipped with an engine 8 provided below.

  As shown in FIGS. 2, 3, and 4, the driving unit 6 includes the driving seat 7, a driving unit floor 60 provided in front of the driving seat 7, and a front of the driving seat 7. A control tower 61 standing on the operation unit floor 60 is provided.

  The control tower 61 includes a fixed handle 62 and an operation lever 63 that protrude upward from the control tower 61, and includes a headlamp 64 provided in front of the control tower 61. The operating lever 63 is operated to swing in the lateral direction of the traveling machine body, thereby operating a steering clutch (not shown) to drive and stop the pair of left and right traveling devices 1 and 1 separately. Perform the steering operation.

  The reaping part 3 includes a reaping part frame 10 connected to a lateral end opposite to the operation part side of the front part of the body frame 2 so as to be swingable up and down. The cutting unit frame 10 includes a main frame 10a connected to the machine frame 2 so as to be swingable up and down, and three weed frames 10b connected side by side to the front end of the main frame 10a in the horizontal direction of the machine body. ing.

  The mowing unit 3 is provided with dividers 12L, 12C, and 12R provided at the front ends of the weeding frames 10a when the mowing unit frame 10 is swung up and down with respect to the body frame 2 by the hydraulic cylinder 11. Are moved up and down to a lowering working state where the lowering is close to the ground, and a rising non-working state where the dividers 12L, 12C and 12R are raised higher from the ground.

  When the mowing unit 3 is in the descending work state and the traveling machine body is driven, the mowing unit 3 raises and processes the planted culm to be harvested from each of the dividers 12L, 12C, and 12R, and performs the mowing process. The straw is supplied to the threshing feed chain 4a of the threshing device 4. The threshing device 4 supplies the tip side to a handling room (not shown) while squeezing and conveying the stock side of the harvested cereal rice cake in the rear direction of the machine body by the threshing feed chain 4a, and performs the threshing process. The grain tank 5 is supplied with and stores threshed grains from the threshing device 4.

  The mowing unit 3 will be described in detail. As shown in FIGS. 1, 2, and 3, the cutting unit 3 includes the cutting unit frame 10 and the dividers 12 </ b> L, 12 </ b> C, and 12 </ b> R, and is slightly behind the three aircraft 12 </ b> L, 12 </ b> C, and 12 </ b> R. A pair of left and right pulling devices 30L and 30R provided side by side in the lateral direction of the traveling machine body, and a clipper-shaped mowing device 13 connected to each weed frame 10b behind the pulling devices 30L and 30R. The feeding device 14 has a conveying start end positioned above the reaping device 13.

The mowing unit 3 includes the three dividers 12L, 12C, and 12R in the arrangement shown in FIGS.
That is, among the three dividers 12L, 12C, and 12R, the divider 12R that is located on the outer side of the driving unit in the lateral direction of the traveling machine body is defined as the first outside divider 12R, and among the three dividers 12L, 12C, and 12R, The divider 12L located outside the driving unit side in the lateral direction of the traveling machine body is the second outer divider 12L, and the divider 12C located in the middle of the three dividers 12L, 12C, 12R is the middle divider 12C. And The distance between the tips of the first outer divider 12R and the second outer divider 12L is the maximum cutting width W of the cutting unit 3, and the distance W1 between the tips of the first outer divider 12R and the middle divider 12C is The second outer divider 12 </ b> L and the middle divider 12 </ b> C are provided in an arrangement state that is larger than the interval W <b> 2 between the tips.

  Further, the position of the tip A of the first outer divider 12R and the position of the lateral outer end B of the crawler belt 1a of the traveling device 1 located behind the first outer divider 12R are substantially equal in the lateral direction of the traveling body. The position of the tip C of the second outer divider 12L coincides with the position of the traveling machine body lateral outer end D of the crawler belt 1a in the traveling device 1 located behind the second outer divider 12L in the lateral direction of the traveling machine body. It is prepared in the arrangement state.

The mowing unit 3 includes the pair of left and right pulling devices 30L and 30R in the arrangement state shown in FIGS.
That is, of the pair of left and right pulling devices 30L and 30R, the pulling device 30R located on the driving side is the first pulling device 30R, and the pulling device 30L located on the opposite side from the driving side is the second pulling device. The device 30L. The raising path 32 located on the lateral end side of the raising case 31 of the first raising apparatus 30R is opposed to the raising path 34 located on the lateral end side of the raising case 33 of the second raising apparatus 30L. It is prepared in a suitable arrangement.

  Further, the distance S1 in the lateral direction of the traveling machine body between the raising path side end 31a of the raising case 31 in the first raising device 30R and the tip of the middle divider 12C, and the raising in the second raising device 30L. It is provided in an arrangement state in which the distance S2 in the lateral direction of the traveling machine body between the raising path side end 33a of the case 33 and the tip of the middle divider 12C is equal.

  Further, the height of the lower end 31b of the raising case 31 in the first raising device 31R from the ground G, that is, the ground height H1 in the state where the cutting unit 3 is lowered to the lowering working state is the second raising device 30L. The height of the lower end 33b of the pull-up case 33 from the ground G, that is, an arrangement state that is larger than the ground height H2 is provided.

  Further, the side end side of the raising case 31 of the first raising device 30R is positioned in front of the driving unit 6 in the front-rear direction of the driving unit 6 with the cutting unit 3 lowered to the lowering operation state. It is prepared in the arrangement state to do.

  FIG. 5 is a front view of the first pulling device 30R. As shown in FIG. 2 and FIG. 2, the first pulling device 30 </ b> R includes the pulling case 31 and a pair of left and right guide ring bodies 35, 36 provided at the lower part inside the pulling case 31. A sprocket 37 and a tension ring 38 provided at the upper part inside the pulling case 31, and an endless chain type wound around the guide ring 35 and 36, the sprocket 37 and the tension ring 38. The pull-up chain 39 is provided.

  The raising case 31 has an inclined posture in which the lower end portion of the raising case 31 is positioned on the rear side of the body of the first outer divider 12R, and the upper end side is positioned on the rear side of the body. The pulling chain 39 includes pulling claws 39 a provided at a plurality of locations in the circumferential direction of the pulling chain 39. Each raising claw 39a is supported by the raising chain 39 so that it can swing up and down.

  The pull-up chain 39 is driven by the sprocket 37, and rotates along the sprocket 37, the tension ring body 38, and the pair of guide ring bodies 35 and 36 to move and move the pull-up claws 39a. . Thereby, each raising claw 39a raises the lower side of the case 31 to the lower side 31b of the running body, and is located along the case lower end 31b from one end side on the side where the first divider 12R is located. Move toward the other end. At this time, the peripheral surfaces of the pair of guide ring bodies 35 and 36 and the upright guide 41 which is raised between the pair of guide ring bodies 35 and 36 and supported by the case 31 are raised and the claw 39a is raised. The raising claw 39a is raised and brought into an upright posture with respect to the chain 39 by contacting the base, and the raising claw 39a is engaged with the planting cereal plantation side from the first divider 12R. The planted cereal is pulled up and pulled up toward the path 32 so as to be pulled out from the case 31 into the pulling path 40.

  The pulling claw 39a that has reached the end of the pulling path 40 is guided by the peripheral surface of the guide wheel body 36 to enter the pulling path 32, and moves upward along the pulling path 32. At this time, an upright guide 42 that is raised between the guide wheel body 36 and the sprocket 37 and supported by the case 31 is raised up to come into contact with the base of the claw 39a, and the raised claw 39a is raised. The elevating position is maintained with respect to the chain 39 and is raised so that the tip side of the claw 39a is raised and acted on the planted stem ridges from the first divider 12R and the middle divider 12C. The state of being raised from the case 31 and protruding into the path 32 is maintained.

  The raising claw 39 a that reaches the upper end of the raising path 32 is guided by the sprocket 37 to be raised and enters the return path 43 located inside the case 31, and moves downward along the return path 43. When the raising claw 39a is raised and enters the case, the leading end of the raising claw 39a comes into contact with the falling guide 44 and is subjected to a falling operation. As a result, the raised claw 39a moves downward along the return path 43 in a lying posture.

  The raising claw 39a that has reached the end of the return path 43 is guided by the peripheral surface of the guide wheel body 35 and returns to the pulling path 40, and moves again along the pulling path 40. The raising claw 39a that reaches the end of the return path 43 abuts on the standing guide 45 and receives the standing operation. As a result, the raising claw 39a reaching the end of the return path 43 returns to the pulling path 40 in a state where the posture has changed from the lying position to the standing position, and returns from the pulling path 40 to the pulling path 32.

  FIG. 5 is a front view of the second pulling device 30L. As shown in FIG. 2 and FIG. 2, the second pulling device 30 </ b> L includes the pulling case 33, a guide wheel body 46 provided at a lower portion inside the pulling case 33, and the pulling case 33. A sprocket 47 and a tension ring body 48 provided on the inner upper side of the case 33, and an endless chain type pulling chain 49 wound around the guide ring body 46, the sprocket 47 and the tension ring body 48. Configured.

  The raising case 33 has an inclined posture in which the lower end portion of the raising case 33 is located on the rear side of the second outer divider 12L, and the upper end side is located on the rear side of the fuselage. The pulling chain 49 is provided with pulling claws 49 a provided at a plurality of locations in the circumferential direction of the pulling chain 49. Each raising claw 49a is supported by the raising chain 49 so as to be able to swing up and down.

  The pulling chain 49 is driven by the sprocket 47, and rotates along the sprocket 47, the tension ring body 48, and the guide ring body 46 to move each pulling claw 49a. Thereby, each raising claw 49a moves along the peripheral surface of the guide wheel body 46 from the side where the second divider 12L is located toward the raising path 34 under the raising case 33. At this time, the peripheral surface of the guide wheel body 46 is raised and comes into contact with the base portion of the claw 49a to erect, and the raised claw 49a is raised to a standing position with respect to the chain 49, and the tip of the raised claw 49a is raised. The side is locked to the plant side of the planted culm from the second divider 12 </ b> L, the planted culm is raised and supplied to the path 34, and is protruded downward from the case 33.

  The pulling claw 49a that has moved below the pulling case 33 along the guide ring body 46 is guided by the peripheral surface of the guide ring body 46 to enter the pulling path 34, and moves upward along the pulling path 34. . At this time, the standing guide 50 that is raised between the guide wheel body 46 and the sprocket 47 and supported by the case 33 is raised and comes into contact with the base of the claw 49a so that the raising claw 49a is raised. The elevating position is maintained with respect to the chain 49, and the erect end of the claw 49a is caused to elevate (i.e., raise) the pedicle stem from the second divider 12L and the middle divider 12C. The state of being raised from the case 33 and protruding into the path 34 is maintained.

  The raising claw 49a that reaches the upper end of the raising path 34 is guided by the sprocket 47, enters the return path 51 located inside the case 33, and moves down the return path 51. When the pulling claw 49a is lifted and enters the case, the leading end of the pulling claw 49a comes into contact with the falling guide 52 and receives a falling operation. As a result, the raised claw 49a moves downward along the return path 51 in a lying posture. The raising claw 49 a that has reached the end of the return path 51 is guided by the peripheral surface of the guide wheel body 46 and returns to the raising path 34. The raising claw 49a that has reached the end of the return path 51 is brought into contact with the standing guide 53 and is subjected to the standing operation, and the posture is changed from the lying posture to the standing posture and is returned to the path 34.

The pulling chain 39 of the first pulling device 30R and the pulling chain 49 of the second pulling device 30L are raised in the state in which the pulling claws 39a, 49a are attached at the same interval (raising claw pitch). 49a. The length of the raising claw 39a of the first raising device 30R is raised from the raising case 31 and projecting into the path 32, and the length of the raising claw 49a of the second raising device 30L is raised from the raising case 33 and projected into the path 34. The raising claw 39a of the first raising device 30R and the raising claw 49a of the second raising device 30L have the same claw length so that the lengths to be equalized.
That is, the detachment of the cereal from between the raising claw 39a located in the raising path 32 of the first raising device 30R and the raising claw 49a located in the raising path 34 of the second raising device 30L. The raising claw 39a that moves up the raising path 32 of the first raising device 30R and the raising claw 49a that moves up the raising path 34 of the second raising device 30L are in contact with each other. become.

  FIG. 6 is a plan view of the mowing unit 3 and the traveling device 1 in the state of turning mowing. The cutting operation is performed in a state where the already cut ground is located on the side of the traveling machine body on the side of the driving unit and the uncut area is located on the side of the traveling machine body opposite to the driving unit side. In this figure, a indicates a planted culm that is to be cut, b indicates a planted culm in an uncut area, and c indicates a stump in an already cut area. As shown in this figure, in the cutting operation, the cutting unit 3 uses the second outside divider 12L to divide the planted culm into a target to be harvested and a non-mowed target to move the planted culm to be harvested backward. Guide and weed the planted cereals of the two planting strips by the middle divider 12C and guide them backward. In other words, a planted grain culm a is planted between the first outer divider 12R and the middle divider 12C, and one planted grain is planted between the second outer divider 12L and the middle divider 12C.稈 a is introduced. The mowing unit 3 raises the planted cereals from the first outer divider 12R and the middle divider 12C by the raising claws 39a of the first raising device 30R and supplies them to the path 32 to cause the second raising. The planted culm from the divider 12L and the middle divider 12C is raised by the second raising device 30L by the raising claws 49a and supplied to the path 34 to be raised and processed. The stock raising side of the planted cereal rice cake on which the first pulling device 30R acts is transferred to the reaping device 13 by the locking arm 57 of the endless rotating belt 56 of the auxiliary conveying device 55R located behind the first pulling device 30R. The auxiliary arm of the endless rotating belt 56 of the auxiliary conveying device 55L positioned behind the second elevating device 30L is placed on the stock raising side of the planted cereal cocoon on which the second elevating device 30L acts. 57, the edible corn straw a that is auxiliary conveyed toward the reaping device 13 and is raised and processed by both the raising devices 30L and 30R is reaped by the reaping device 13. Feeding device while feeding the harvested cereal from the reaping device 13 to the rear side of the machine body by the engaging arm 57 of the endless rotating belt 56 of the pair of left and right auxiliary conveying devices 55L and 55R and the scraping protrusion of the conveying rotating body 58 14, and is supplied to the start end of the threshing feed chain 4 a of the threshing device 4 by being fed backward by the supply device 14. (Two kinds of planted cereals are harvested.)

  FIG. 7 is a plan view of the middle cutting operation and the surrounding cutting operation of the cutting unit 3 and the traveling device 1. The middle cutting work is performed in a state where uncut ground is located on both sides of the traveling machine body. The surrounding mowing work is performed while traveling along the heel with the heel positioned on one side of the traveling machine body. In this figure, “a” indicates a planted culm to be cut and “b” represents a planted culm to be non-reached. As shown in this figure, the mowing unit 3 divides the planted culm into a harvesting target and a non-reaching target by the first outer divider 12R and the second outer divider 12L in the middle cutting operation and the surrounding cutting operation. Grass, introducing two planting ridges cereal a between the first outer divider 12R and the middle divider 12C, and one planting row between the second outer divider 12L and the middle divider 12C Introduce cereal meal a. The mowing unit 3 raises and processes the planted cereals from the first outer divider 12R and the middle divider 12C by the first raising device 30R. In other words, the planted culm from the first outside divider 12R is pulled up by the pulling claw 39a that moves along the pulling path 40 and pulled toward the path 32, and is merged with the planted culm from the middle divider 12C and is pulled up. 32 to cause and process. The planted culm a from the second outer divider 12L and the middle divider 12C is raised and supplied to the raising path 34 of the device 30R to cause the raising. The stock raising side of the planted cereal grains on which the first pulling device 30R acts is auxiliary conveyed toward the reaping device 13 by the locking arm 57 of the endless rotating belt 56 of the auxiliary conveying device 55R, and the second pulling is caused. The planted side of the planted cereal cocoon on which the device 30L acts is auxiliary conveyed toward the mowing device 13 by the locking arm 57 of the endless rotation belt 56 of the auxiliary conveying device 55L, and both pulling devices 30L, 30R are The planted culm a to be raised and processed is cut by the cutting device 13. Supplying the harvested cereal from the reaping device 13 while feeding it to the rear side of the machine body by the engaging arm 57 of the endless rotating belt 56 of the pair of left and right auxiliary conveying devices 55L and 55R and the scooping protrusion of the conveying rotating body 58. It supplies to the apparatus 14, and it conveys to a machine body back direction with this supply apparatus 14, and supplies it to the start end part of the threshing feed chain 4a of the threshing apparatus 4. (Treatment of Sanjo planted cereals)

  FIG. 8 is a plan view of the cutting unit 3 having the second embodiment structure. When the mowing unit 3 provided with the second embodiment structure and the mowing unit 3 provided with the first embodiment structure described above are compared, the interval W1 between the middle divider 12C and the first outer divider 12R is equal to the middle divider 12C and the first divider 12C. The point which is larger than the interval W2 between the outer divider 12L and the ground height H1 of the lower end 31b of the raising case 31 of the first raising device 30R is the lower end of the raising case 33 of the second raising device 30L. It has the same configuration in that it is larger than the ground height H2 of 33b. The mowing unit 3 provided with the second embodiment structure is different from the mowing unit 3 provided with the first embodiment structure in the arrangement of the first raising device 30R and the second raising device 30L in the longitudinal direction of the traveling machine body. It has a configuration. Next, the different configuration will be described.

The mowing unit 3 having the second embodiment structure has the first pulling device 30R and the second pulling device 30R raised in a state where the first pulling device 30R is slightly biased to the rear side of the traveling machine body with respect to the second pulling device 30L. Device 30L.
That is, the cutting unit 3 having the second embodiment structure is a slightly longer traveling machine body than the second pulling device 30L by the first pulling device 30R for raising the planted culm from the first outer divider 12R and the middle divider 12C. Raise and process on the rear side.

  FIG. 9 is a plan view of the cutting unit 3 having the third embodiment structure. When the mowing unit 3 having the third embodiment structure and the mowing unit 3 having the first embodiment structure described above are compared, the interval W1 between the middle divider 12C and the first outer divider 12R is equal to the middle divider 12C and the first divider 12C. The point which is larger than the interval W2 between the outer divider 12L and the ground height H1 of the lower end 31b of the raising case 31 of the first raising device 30R is the lower end of the raising case 33 of the second raising device 30L. It has the same configuration in that it is larger than the ground height H2 of 33b. The mowing unit 3 provided with the second embodiment structure is different from the mowing unit 3 provided with the first embodiment structure in the arrangement of the first raising device 30R and the second raising device 30L in the longitudinal direction of the traveling machine body. It has a configuration. Next, the different configuration will be described.

The mowing unit 3 having the third embodiment structure has the first pulling device 30R and the second pulling device 30R in a state where the first pulling device 30R is slightly biased forward of the traveling machine body relative to the second pulling device 30L. Device 30L.
That is, the cutting unit 3 having the third embodiment structure is a traveling machine body slightly raised from the first outside divider 12R and the middle divider 12C by the first raising device 30R and the second raising device 30L. Raise and process on the front side.

[Another Example]
In place of the cutting portion 3 of the above-described embodiment, the position of the tip A of the first outer divider 12R, and the position of the traveling machine body lateral outer end B of the crawler belt 1a in the traveling device 1 located behind the first outer divider 12R, Coincide with each other in the lateral direction of the traveling machine body, and the position of the tip C of the second outer divider 12L and the position of the traveling machine body lateral outer end D of the crawler belt 1a in the traveling device 1 located behind the second outer divider 12L travel. The configuration matched in the lateral direction of the airframe, or the position of the tip A of the first outer divider 12R and the position of the lateral end B of the traveling body of the crawler belt 1a in the traveling device 1 located behind the first outer divider 12R. The traveling machine body lateral outer end of the crawler belt 1a in the traveling device 1 that coincides in the lateral direction of the traveling machine body and that is located at the tip C of the second outer divider 12L and the rear side of the second outer divider 12L. In the positions traveling machine body transverse direction may be carried out employing substantially matched configuration. In these cases, the object of the present invention can be achieved.

  Instead of the cutting part 3 of the above-described embodiment, a divider 12L located on the opposite side to the driving part side in the traveling body lateral direction of the three dividers 12L, 12C, 12R, and a divider 12C located in the middle The interval between the tips is set to be larger than the interval between the tips of the divider 12R located on the operation unit side and the divider 12C located in the middle, and the operation unit side of the pair of left and right pulling devices 30L and 30R The distance between the raising path side end of the raising case of the raising device 30L located on the opposite end side and the divider 12C located in the middle in the lateral direction of the traveling machine body is the raising device 30R located on the driving unit side. It may be implemented by adopting a configuration that is set to be larger than the interval between the raising case side end of the raising case. In this case also, the object of the present invention can be achieved. In this case, among the three dividers, the divider located on the lateral outer side opposite to the driving part side is referred to as a first outer divider, the divider located on the lateral outer side on the driving part side is referred to as a second divider, and the driving part. The pulling device 30L located on the opposite side to the side is referred to as a first pulling device, and the pulling device 30R located on the operating unit side is referred to as a second pulling device.

Combine left side view Overall plan view of combine Combine front view Right side view of the entire combine Front view of pulling device Plan view of the cutting unit and the traveling device in the state of turning and cutting Plan view of the mowing part and the traveling device in the state of mid-cutting and surrounding cutting Plan view of the cutting part with the second embodiment structure Plan view of the cutting part with the third embodiment structure

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Traveling device 1a Crawler belt 3 Cutting part 12R First outer divider 12C Middle divider 12L Second outer divider 30R First raising device 30L Second raising device 31 First raising device raising case 31b First raising device The lower end 32 of the first raising device The raising path 33 of the first raising device The raising case 33b of the second raising device The lower end 34 of the raising case of the second raising device The raising route 39a of the second raising device Lifting claw 49a of the first raising device Lifting claw 43 of the second raising device 43 Return path 51 of the first raising device 51 Return path A of the second raising device C Tip of the first outer divider C Tip of the second outer divider W1 Distance between the first outer divider and the middle divider W2 Distance between the second outer divider and the middle divider H1 Ground height H2 of the lowering case of the first pulling device Pulling case of the second pulling device Bottom ground height

Claims (2)

A first pulling device that acts on a planted culm from an intermediate divider located in the middle of the three dividers arranged in the lateral direction of the traveling machine body and a first outer divider located outside one of the dividers, and the three dividers A second pulling device that acts on the planted culm from the middle divider and the second outer divider located outside the other of the middle divider,
The first pulling device and the second pulling device have a pulling case, a pulling case protruding from the pulling case, projecting into the path, moving up the trigger path, and moving down the return path to move the trigger A combine that has a raised claw to return to the path,
An interval between the middle divider and the first outer divider is set to be larger than an interval between the middle divider and the second outer divider;
The combine in which the ground height of the lower end of the pulling case in the first pulling device is set larger than the ground height of the lower end of the pulling case in the second pulling device. The first pulling device is positioned in front of the driving unit of the traveling machine body so as to overlap in the longitudinal direction of the driving unit and the traveling machine body,
The position of the front end of the first outer divider and the position of the lateral end of the crawler belt in the crawler belt in the crawler traveling device located behind the first external divider coincide or substantially coincide with each other in the lateral direction of the traveling machine.
The position of the tip of the second outer divider and the position of the lateral end of the crawler belt in the crawler traveling device located behind the second outer divider coincide or substantially coincide with each other in the lateral direction of the traveling machine. The combine according to claim 1.

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