JP5034680B2 - Combine - Google Patents

Description

  The present invention relates to a combine equipped with a cereal sieving device for weeding a planted cereal.

Conventionally, for example, in Patent Document 1, a cut grass side weed body is provided so as to be rotatable inward and left and right, and left and left by a left and right operation of a remote control lever provided on a back portion of a raising case. An arrangement configured to rotate to the inside (inside) or to the right (outside) is disclosed.
JP 2006-158332 A

  In the above-mentioned conventional device, the remote control lever is raised and installed at the back of the case, so that it interferes with the cereal after being raised, and there is a problem that hinders the subsequent raising and transportation. In addition, in the case where the grain raising device located on the rightmost side is arranged in front of the front operation box on the front side of the driver's seat, the remote control lever has an arch-like shape protruding on the operation box by raising the cutting part. There was a problem that the raised range of the cutting part was restricted due to interference with the fixed handle.

  It is an object of the present invention to dispose a remote control lever at an appropriate position that does not interfere with the raising and transporting of the cereal, to prevent interference with the cereal after raising, and to operate the remote control lever when the mowing unit is raised And to prevent interference with the fixed handle 杆.

In order to solve the above problems, the present invention has taken the following technical means.
That is, the invention described in claim 1 cuts off the cereals that have been planted, and the edible body (11) that divides the planted cereals left and right, the pulling device (12) that causes the cereals after weeding, and the cereals that have been raised. A mowing unit (4) having a mowing device (13) is provided so as to be movable up and down with respect to the vehicle body, and a right weed body (11R) provided at a position on the driver seat (5) side of the mowing unit (4) A left and right pivotally mounted around the shaft (16), an arched handle (7) is projected upward from the front operation panel (6) in front of the driver seat (5), and the left and right of the handle (7) forming a high handle portion (7a) by increasing the outward end side, to form low handle portion (7b) in the lateral direction inner end side of the handle (7) to be lower than the outer end, the cause At the rightmost lifting transmission pipe (22) side of the lifting transmission pipe that is transmitted to the sliding device (12) It is, and the lower handle portion at a position of the right side of the remote control lever (20) for turning operation the right amount Sotai the (11R) to the right and left, and causes rightmost case (12R) of (7b) The remote control lever (20) is placed at a position facing forward, the remote control lever (20) is bent toward the left side at the middle portion, and the remote control lever (20) pivotally supported by the left and right pin shaft (24) is pushed down forward. The right weed body (11R) rotates to the left side to narrow the weed width, and the right weed body (11R) rotates to the right side by lifting the remote control lever (20) to the right, so that the weed width is reduced. it is obtained by the structure and the co Nbain spread.

According to a second aspect of the present invention, the front end portion of the narrow guide (29) disposed on the rear side of the right weed body (11R) is moved together with the right weed body (11R) by the operation of the remote control lever (20). The combine according to claim 1, wherein the combine is configured to move left and right .

According to a third aspect of the present invention, there is provided a centralized oil pump (27) having an oil operation lever (26) on an operation frame (23) connected to the pulling transmission pipe (22) and supporting the remote operation lever (20). The combine according to claim 1 or claim 2 is attached.
According to a fourth aspect of the present invention, the central oil pump (27) is operated by operating the oil operation lever (26) in the left-right direction orthogonal to the operation direction of the remote operation lever (20) in plan view. The combine according to claim 3, which is configured as described above.

According to the invention described in claim 1, the remote control lever ( 20 ) for rotating the weed body ( 11 ) to the left and right is the right outer side of the raising case ( 12R ) located on the rightmost side of the cutting part ( 4 ). The remote control lever ( 20 ) is moved to the driving position because it is disposed at a position facing the front of the lower handle portion ( 7 b ) of the handle ( 7 ) protruding on the front operation panel ( 6 ). Can be operated easily. Further, since the handle ( 7 ) is configured so that the left side is lower than the right side, the remote control lever ( 20 ) does not interfere with the handle ( 7 ) even if the cutting part ( 4 ) is greatly raised upward. The raising / lowering range of a cutting part ( 4 ) can be taken large.
According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the narrow guide (29) disposed on the rear side of the right weed body (11R) by the operation of the remote control lever (20). Since the front end part of the sword moves to the left and right together with the right weed body (11R), it is possible to prevent the crawler from being stepped on by the crawler during the middle split operation.
According to the invention described in claim 3, in addition to the effects of the invention described in claim 1 or 2, the remote control lever (20) and the central oil pump (27) are attached to the operation frame (23). The remote control lever (20) and the central oil pump (27) can be easily attached and detached from the cutting part (4).
According to the invention described in claim 4, in addition to the effect of the invention described in claim 3, the lubrication operation lever (26) is operated in the left-right direction orthogonal to the operation direction of the remote operation lever (20) in plan view. Thus, the central oil pump (27) can be operated.

An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a side view of a combine. This traveling vehicle body 1 includes a pair of left and right traveling crawlers 2 and 2, and a cutting portion 4 is installed at the front portion of a threshing device 3 mounted on the rear portion. The side portion of the mowing unit 4 is provided with a driving operation unit including a driver's seat 5 and an operation box 6 and the like, and a Glen tank G for temporarily storing threshing grains is provided behind the driving operation unit. Yes.

  An arch-shaped fixed handle 杆 (handle) 7 protrudes on the operation box 6, and the fixed handle 杆 7 includes a high-level handle portion 7 a with the right side raised upward and a low-level handle portion 7 b with the left side lowered downward. It is comprised so that it may consist of. On the right side of the operation box 6 is installed a steering operation lever 8 that controls the advancing direction of the machine body in the left-right direction on the front side of the high-level handle portion 7a and controls the cutting unit 4 to move up and down by the front-back operation. Has been. The steering operation lever 8 is operated left and right or back and forth with the wrist placed on the high-level handle portion 7a. A shift lever 10 and the like are disposed on the side operation box 9 on the left side of the driver's seat.

  The mowing unit 4 is a weed body 11, 11, 11... That splits the raised cereal to the left and right, a three-row cereal raising device 12, 12, 12 that causes the cereal after weeding, The reaper includes a reaping device 13 for harvesting the cereal after harvesting, a transporting device 14 for scraping and transporting the cereal after harvesting, and the like. Each weed body 12, 12... Is attached to the tip of a weed support rod 15 projecting forward from the mowing device 13 side.

  The right weeding body 11R located on the driver's seat 6 side, i.e., on the already-cut ground side, is provided in the middle part of the weeding support rod 15 so that the tip side rotates toward the left inner side or the right outer side. It pivots around the vertical axis 16 in the vertical direction. A tension spring 19 is provided between the balance arm 17 that rotates integrally with the right weed body 11R and the stay 18 that protrudes from the proximal end side of the weed support rod 15, so that the right weed body 11R is always left inward. It is set as the structure urged | biased in the direction rotated toward. The right weed body 11R and the remote control lever 20 that remotely controls the rotation operation of the right weed body 11R are connected by a connecting member 21 such as a wire. Or it is set as the structure which rotates to the right outer side.

The remote control lever 20 is a lower handle of the fixed handle 杆 7 projecting on the front operation box (front operation panel) 6 on the front side of the driver seat 5 on the right outer side of the raising case 12R located on the rightmost side. was placed in front corresponding to the part 7b, pivotally movably backward tilting operation through the lateral transverse pin axis 24 from the rightmost argument raised transmission pipe 22 to the operation frame 23 is projected on the right side ing. Therefore, when the remote control lever 20 is pushed downward and forward, the tip of the right weed body 11R rotates to the left inner side, the weed width is narrowed, and the amount of cereal introduced into the weed width is reduced. . Also, when the remote control lever 20 is pulled upward and rearward, the right weed body 11R rotates in the direction to open to the right outer side, the weed width becomes wider, and the amount of introduced cereals increases. Yes.

The operation load for pulling up the remote control lever 20 rearward and upward is heavier than the operation load for pressing down the front and lower. That is, when the remote control lever 20 is lifted rearward and upward, the weeding body 11R is configured to rotate to the right outer side against the tension spring 19 so that the operation load is increased and the push-down operation is performed. The operation load is lightened so that the herbicidal body can be quickly rotated and returned by the repulsive action of the tension spring 19 . The remote control lever 20 is easier to operate when it is pulled upward and rearward than when it is pushed downward .

The operation frame 23 that supports the remote control lever 20 is attached to the rigidly constructed pull-up transmission pipe 22 , so that a stable support structure can be obtained, no special support frame is required, and the operation frame 23 is implemented at low cost. Can do. In addition, a central oil pump 27 having an oil operation lever 26 is attached to the operation frame 23, and the operation frame 23 is raised and disposed between the case 12R and the operation frame 23. The central oil pump 27 can effectively use the space between the operation frame 23 and the raising case 12R, and can be attached to and detached from the cutting portion with the central oil pump 27 and the remote control lever 20 assembled to the operation frame 23 . Assembling work can be facilitated. The oil supply operation lever 26 is configured to operate the centralized oil supply pump 27 by an operation in the lateral direction that is perpendicular to the operation direction of the remote control lever 20 that operates in the front-rear direction. Since the centralized oil pump 27 is raised rightward and arranged behind the case 12R , the space between the right side surface of the raising case 12R and the rear front operation box 6 where the grain candy is not conveyed can be used effectively.

Further, as shown in FIG. 3, the remote control lever 20 is raised in the side view and positioned outside the case 12R at any operation locus position in the front-rear and up-down directions, and the tip end side of the lever is raised in the front view. The remote control lever 20 is bent inward from the middle portion so as to overlap with 12R. According to this, the field of view from the driving operation position of the operator seated in the driver's seat toward the right weeding body is not obstructed, and the fielding performance can be improved by improving the field of view.

  In addition, the narrow guide 29 located on the already-cut ground side of the combine is configured so as to move integrally with the movement of the right weed body 11R to prevent the crawler from stepping on the crawler during the middle split operation.

The embodiment shown in FIGS. 8 and 9 is different from the arch-shaped fixed handle 杆 in front view, and has an inverted L-shaped cantilever handle 25 in front view on the outer end side (right side) of the operation box 6. Is. That is, the cantilever handle 25, while disposed at the front side of the steering lever 8, standing supported from the outer end portion in a cantilever front operation box 6, the inner end arched handle operation box 6 The fixed handle portion is not provided. Therefore, according to this embodiment, since there is no obstacle due to the handle on the inner end side of the operation box 6 , interference with the remote control lever 20 or the lubrication operation lever 26 arranged in front of the cutting portion is caused. Disappear. Furthermore, by also positioned within lacking the handle portion in pull-raised case 12R, it is possible to significantly up the lifting range of the reaper.

Next, the embodiment shown in FIGS. 10 to 12 will be described.
As shown in FIG. 10, in the multi-row cutting combine, an input transmission case 31 in which a cutting input shaft 30 input from the engine E is mounted on an interior shaft is installed on a suspension base 32 erected from the vehicle body side, and input transmission is performed. A vertical frame 33 extending forward from an intermediate portion of the case; a gate-shaped frame 34 including an intermediate horizontal member 34a extending from the front end of the vertical frame to the left and right sides; and intermediate vertical members 34b and 34c extending forward from both ends of the intermediate horizontal member; Each device of the cutting unit 4 is installed by a cutting transmission case 35 that is supported by the front end portion of the portal frame and extends in the horizontal direction so that it can be transmitted, and the entire cutting unit rotates the cutting input shaft 30. It is configured to move up and down as a fulcrum.

  A vertical transmission shaft 36 is mounted in the vertical frame 33, an intermediate horizontal transmission shaft 37 a and intermediate vertical transmission shafts 37 b and 37 c are mounted in the portal frame 34, and a clipper type cutting device is provided in the cutting transmission case 35. 13, a cutting transmission shaft 39 for driving the take-up conveying device 38, the pulling device 12 and the like is erected and linked to the input transmission shaft 30 through a bevel gear mechanism G1, G2, G3, G4, G5 so as to be rotationally driven. Yes.

  Further, as shown in FIG. 10, the preprocessing unit (the pulling device, the take-up conveying device, the mowing device, etc.) of the cutting unit 4 is divided into left and right parts so as to be composed of a left front processing unit 4L and a right front processing unit 4R. It is composed. In the portal frame 34, safety devices (safety clutches) S1 and S2 for keeping the power transmission load to the left and right pre-processing units 4L and 4R safely are arranged outside the frames 34a and 34a. This facilitates maintenance.

  In the embodiment shown in FIGS. 11 and 12, an L-shaped frame 43 is used in place of the portal frame 34 (34a, 34b, 34c) as shown in FIG. In other words, the vertical frame 33 extends from the input transmission case 31 to the cutting transmission case 35 of the one-side preprocessing unit 4R and is connected straight, and the L-shaped frame 43 extends from the middle part of the vertical frame 33 in the horizontal direction. A horizontal member 43a and a vertical member 43b extending forward from the end of the horizontal member and connected to the cutting transmission case 35 of the other side pre-processing portion 4L, and a transmission shaft 44a in the L-shaped frame, The left pre-processing unit 4L is driven through 44b and the cutting transmission shaft 39.

According to the L-shaped frame configuration, the transmission configuration can be simplified as compared with the portal frame configuration, and the pre-processing unit can be supported more firmly.
Reference numeral 45 denotes a reinforcing member that connects the input transmission case 31 and the L-shaped frame 43 and is provided in parallel with the vertical frame 33.

  As shown in FIG. 11, the L-shaped frame 43 portion is provided with a vertical support shaft 40 in the vertical direction that allows the left front processing portion 4L to swing open / close outwardly among the left and right preprocessing portions 4L, 4R. The non-raising action surfaces of the raising case are configured to be split surfaces, and the raising drive case 41 part for raising the raising drive shaft 42 in the upper part of the raising device 12 and the cutting transmission case 35 part. Is configured to be separable as a divided part.

  Moreover, as shown in FIG.11 and FIG.13, the rotation fulcrum of the left pre-processing part 4L by the said vertical support shaft 40 is offset further to the left rather than the feed chain 3a of the threshing apparatus 3, and the left pre-processing part divided into 2 parts The amount of swing opening is increased to facilitate maintenance.

  Furthermore, as shown in FIG. 14, the left pre-processing unit 4L is configured to be detachable, and a combined combine capable of changing the cutting width can be configured by replacing the removed portion with a pre-processing unit having a different cutting width. For example, by removing the left front processing unit 4L having the 4-row cutting width shown in FIG. 11 (see FIG. 14) and replacing it with the pre-processing unit 4L having the 2-row cutting width as shown in FIG. Can be changed to combine. Moreover, as shown in FIG. 14, by removing only the left front processing unit 4L, it becomes possible to travel on the road with an application range of a small special width, and it is not necessary to remove the entire cutting unit.

Combine side view Combine front view Top view of the main part Front view of the main part Top view of the main part Side view of the main part of the combine Front view of the main part Combine front view Front view of the main part, Transmission route diagram of the main part of the combine of another embodiment Plan view of the main part of the combine of another embodiment Same as above Top view of the main part of the combine Top view of the main part Top view of the main part

4 Cutting part 5 Driver's seat 6 Front operation box (front operation panel)
7 Fixed handle 杆 (handle)
7a High handle portion 7b Low handle portion 8 Steering lever 11 Weed
11R Right content Sotai 12 Pick device 12R pull-raised case 13 cutting device 15 minute grass supporting rod 16 the vertical axis (vertical axis)
20 Remote control lever 21 Connecting member
22 Pulling up transmission pipe
24 pin shaft
26 Lubrication control lever
27 Centralized oil pump
29 Narrow Guide

Claims (4)

A cutting part provided with a weeding body (11) for weeding the planted cereals to the left and right, a pulling device (12) for raising the cereals after weeding, and a reaping device (13) for reaping the raised cereals (4) is provided so that it can be raised and lowered with respect to the vehicle body, and the right weed body (11R) provided at the position on the driver's seat (5) side of the mowing part (4) is rotated left and right around the vertical axis (16). The arch-shaped handle (7) protrudes upward from the front operation panel (6) in front of the driver's seat (5), and the handle (7) is raised at the outer end in the left-right direction. Forming a portion (7a), and forming the lower handle portion (7b) by making the inner end side in the left-right direction of the handle (7) lower than the outer end side,
A remote control lever that is attached to the rightmost raising transmission pipe (22) side of the raising transmission pipe that is transmitted to the raising device (12) and that rotates the right weed body (11R) left and right ( 20) is arranged at a position on the right side of the rightmost raising case (12R) and at a position facing the front of the lower handle portion (7b) , and the remote control lever (20) is placed on the left side at the middle portion. Bend towards
By pushing down the remote control lever (20) pivotally supported by the pin shaft (24) in the left-right direction, the right weed body (11R) rotates to the left side, and the weed width is narrowed. right minute Sotai by pulling 20) rearward (co 11R) is configured to spread min grasses width by rotating the right Nbain. The front end portion of the narrow guide (29) disposed on the rear side of the right weed body (11R) is moved left and right together with the right weed body (11R) by the operation of the remote control lever (20). Item 1. A combine according to item 1. The centralized oil pump (27) having an oil supply operation lever (26) is attached to an operation frame (23) connected to the pulling transmission pipe (22) and supporting the remote operation lever (20). The combine according to claim 2. The centralized oil pump (27) is configured to operate by operating the oil supply operation lever (26) in a left-right direction orthogonal to the operation direction of the remote control lever (20) in plan view. Combine.

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