JP2019118274A - Combine-harvester - Google Patents

Abstract

To solve the problem in which: conventionally a reaping and conveying device is hung by a support arm of a raking-in reel; the support arm is positioned above a top face of the reaping and conveying device; and the reaping and conveying device interferes with transporting grain culm.SOLUTION: A combine-harvester is given in which: a reaping device 4 is installed including a grass-dividing reaping and conveying device 11 arranged in front of a traveling device 2 and reaping stem parts of soy beans and the like on the ridge of a farm field to convey the stem parts to the rear side; the grass-dividing reaping and conveying devices 11 are multiply and parallely arranged at the front part of an auger table 10 of the reaping device 4; each of the grass-dividing reaping and conveying devices 11 has a pair of right and left conveyor belts 14 with transportation rags 13; a cutting blade 15 is arranged in conveyance passage of the conveyor belts 14; a front side of the grass-dividing reaping and conveying device 11 is vertically raised around the center of the turning support point at the rear side by an actuator 17; and the actuator 17 is installed at a portion lower than the top face of the grass-dividing reaping and conveying device 11.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a combine for harvesting soybeans and the like.

  Conventionally, a plurality of reaper transport devices (row crop units) configured by winding an endless transport belt having a transport lug between a driven wheel and a drive wheel that are rotated on the vertical axis are arranged in parallel in the left-right direction at a predetermined interval. The configuration provided is known (see Patent Document 1).

Japanese Patent Application Publication No. 2004-113020

In the above-mentioned known example, since the cutting and conveying device is replaced with the scratching reel and attached, the hanging and supporting structure of the scratching reel is adopted.
Therefore, the support arm is located above the upper surface of the reaper transport device, and there is a problem that the support arm interferes with the grain gravel being transported by the reaper transport device.
The present application is devised to suppress the occurrence of head loss by devising the configuration of the sorting, harvesting, and conveying apparatus of the harvesting apparatus.

The invention according to claim 1 is provided with a reaper 4 having a parting reaper conveyer 11 for cutting and transporting stems of soybeans and the like at the foot of a field in front of a traveling device 2; A plurality of conveying devices 11 are arranged in parallel in the front part of the auger table 10 of the mowing device 4, and each of the weed mowing and conveying devices 11 has a pair of left and right conveying belts 14 with conveying lugs 13. The cutting blade 15 is provided at the same time, and the front side of the branching mowing and transporting apparatus 11 is moved up and down by the actuator 17 at the center of the rear side rotation fulcrum. The combine is provided at the lower side.
The invention according to claim 2 is a combine in which a long hole 19 is provided in a connecting portion between the actuator 17 and the sorting / removing device 11.
According to a third aspect of the present invention, the actuator 17 is a combine in which the upper and lower cylinders 18 are provided as a pair on the left and right of the separating apparatus for harvesting, harvesting and conveying 11.
According to the fourth aspect of the present invention, the conveyor belts 14 of the sorting, harvesting and conveying apparatus 11 are formed by arranging a plurality of conveying lugs 13 side by side at predetermined intervals, and the pair of conveying belts 14 of the sorting, harvesting and conveying apparatus 11 is formed. It is considered as a combine in which the movement loci of the conveyance lugs 13 overlap in a plan view.
According to the fifth aspect of the present invention, the conveyor belts 14 of the sorting, harvesting and conveying apparatus 11 are arranged side by side vertically, and the upper and lower conveyor belts 14 are combined so as to have the same length.
In the invention according to claim 6, the drive chain case 30 of the cutting blade 15 is installed below the cutting blade 15, and the vicinity of the lowest point of the driving chain case 30 or the cutting blade 15 is the center of the transport passage in the left-right direction. The combine is disposed so as to be in the vicinity of a certain transport unit center 31.
According to the seventh aspect of the present invention, the drive of the drive chain case 30 is combined by an actuator 33 independent of the transport unit drive unit 32.
The invention according to claim 8 is a combination in which the gauge wheel 28 is automatically lowered when the cutting blade 15 is loaded with a certain amount or more, and the transport belt 14 is relatively raised.

According to the first aspect of the present invention, compared with the vertical mechanism provided with the wire for moving up and down the conventional branching mowing and transporting apparatus 11, interference between the vertical mechanism and the grain scale can be prevented, and mowing can be performed favorably.
According to the second aspect of the present invention, the vertical movement of the front portion of the sorting, mowing and transporting apparatus 11 due to the unevenness of the field during traveling is absorbed.
According to the third aspect of the present invention, the upper and lower transport belts 14 on the left and right of the sorting, cropping and transporting apparatus 11 can be uniformly moved up and down, and the working posture of the sorting, cropping, and transporting apparatus 11 can be stabilized.
According to the invention of claim 4, the conveying power of the grain scale of the parting, harvesting, and conveying apparatus 11 can be improved.
According to the fifth aspect of the present invention, the transport posture in the vertical direction of the grain crucible of the sorting, cropping and transporting apparatus 11 can be stabilized, and the transport power can be improved.
In the invention of claim 6, since the vicinity of the lowest point of the drive chain case 30 or the cutting blade 15 is disposed near the conveyance section center 31 which is the center in the left-right direction of the conveyance passage, the cutting blade 15 Smooth cutting of grain stalks (stem part of straw crop) can be done smoothly.
In the invention of claim 7, the drive of the drive chain case 30 is performed by the actuator 33 independent of the transport unit drive unit 32, so that the drive speed of the cutting blade 15 can be optimized. Smooth cutting of (the stem part of the crop of mulberry) can be done smoothly.
In the invention of claim 8, the gauge wheel 28 is automatically lowered when the cutting blade 15 is loaded with a certain amount of load or more, and the conveying belt 14 is relatively raised. Can be prevented from rushing into the ground.

Top view of the combine. The side view of a part mowing conveyance device part. The side view which omitted the actuator part. The same plan view. The top view of the engine vicinity. Rear view near the gear case. The same side view. Same part sectional view.

One embodiment of the present invention will be described with reference to the drawings. 3 is a threshing device, 4 is a harvesting device provided in front of the threshing device 3, 5 is a gren tank for storing grains threshed by the threshing device 3, 6 is a gren It is a control unit provided in front of the tank 5.
The reaper 4 is a so-called row crop for harvesting crops (soybeans etc.) of a persimmon on a field, and a plurality of sorting / removal transport devices 11 are provided on the front part of the auger table 10 with the auger 8 pivoted. Arrange in parallel (Figure 2).
Each of the mowing and transporting apparatuses 11 is provided with a branching body 12 at the foremost portion, and a pair of left and right conveying belts 14 with conveying lugs 13 behind the branching bodies 12 and cutting blades below the conveying path of the conveying belt 14 ( A disk cutter 15 is provided and configured (FIG. 2).
The sorting / harvesting conveyance device 11 is configured such that a rotary transmission shaft 16 (described later) provided on the rear side moves up and down the front side of the splitting / harvesting conveyance device 11 by using an actuator 17 as a pivot. It is provided below the upper surface of the mowing and transporting apparatus 11.

Therefore, compared with the up-and-down mechanism which provided the wire which raises and lowers the conventional parting reaper transport apparatus 11, interference with an up-and-down mechanism and a grain basket can be prevented, and reaping can be performed favorably.
The actuator 17 is configured by providing a pair of upper and lower cylinders 18 on the left and right. The upper and lower cylinders 18 are respectively disposed on the left side of the leftmost lumber feeding and conveying apparatus 11 and on the right side of the rightmost mowing and feeding apparatus 11.
Therefore, the upper and lower transport belts 14 on the left and right of the sorting, cropping and transporting apparatus 11 can be uniformly moved up and down, and the working posture of the sorting, cropping, and transporting apparatus 11 can be stabilized.
A long hole 19 is provided in the connecting portion between the actuator 17 and the sorting / removing and conveying apparatus 11 (FIG. 2).
Therefore, the up-and-down motion of the front part of the parting reaper conveying apparatus 11 resulting from the unevenness | corrugation of the field in driving | running | working is absorbed.

That is, the upper part of the support 23 is fixed to the main frame 22 of the separating / harvesting / harvesting / conveying device 11 having the front roller 20 and the rear roller 21 pivoted around the conveying belt 14 described later. The long hole 19 is provided in the stay 24.
The base of the upper and lower cylinder 18 is rotatably mounted on the auger table 10 side, and the mounting portion (not shown) at the tip of the upper and lower cylinder 18 is mounted vertically movable in the elongated hole 19.
Therefore, when the rod of the upper and lower cylinder 18 is extended, the mounting portion engages with the inner upper edge of the long hole 19 to move the transport belt 14 upward, but the gauge wheel 28 provided on the main frame 22 during normal reaping work Is pushed up by the protrusion of the field, the inner upper edge of the long hole 19 moves upward with respect to the mounting portion, and the upward movement of the transport belt 14 is permitted.

The transport belt 14 wound around the front roller 20 and the rear roller 21 is configured to move linearly from the front roller 20 toward the rear roller 21.
A plurality of protrusions protruding in the radial direction are provided on the outer periphery of the upper and lower surfaces of the rear roller 21. Reference numeral 27 denotes a rotational trajectory of the projection.
Therefore, the grain scale conveyed to the rear roller 21 by the conveyance belt 14 is fed rearward by the projection, and prevents the occurrence of clogging near the end of conveyance by the conveyance belt 14.
A plurality of conveyor belts 14 of the above-mentioned mowing and harvesting and conveying apparatus 11 are formed side by side at predetermined intervals in the left-right direction, and the movement locus of the conveyance lugs 13 of the pair of conveying belts 14 of each bifurcating and mowing and conveying apparatus 11 is a plan view And overlap each other.
Therefore, the conveyance power of the grain crucible of the parting reaper conveying apparatus 11 can be improved.

The conveying belts 14 of the sorting, cutting and conveying apparatus 11 are arranged in a pair in the upper and lower direction, and the tip movement locus of the conveying lugs 13 of the lower conveying belts 14 among the upper and lower conveying belts 14 corresponds to that of the conveying lugs 13 of the upper conveying belts 14. Position it in front of the tip movement trajectory.
Therefore, it is possible to scrape the lower part of the grain of the crop first, and to increase the transport power.
The transport belts 14 of the sorting, cropping and transporting apparatus 11 may be arranged in pairs, upper and lower, and the upper and lower transport belts 14 may have the same length.
The drive chain case 30 of the cutting blade 15 is installed below the cutting blade 15 so that the vicinity of the lowest point of the driving chain case 30 or the cutting blade 15 is in the vicinity of the transfer section center (transfer passage) 31 (FIG. 4) ).
Therefore, the cutting blade 15 can smoothly and favorably cut the grain scale (the stem portion of the crop).

The drive chain case 30 is driven by an actuator 33 which is independent of the transport unit drive unit 32 that drives the transport belt 14 of the sorting / removing transport device 11.
Therefore, the driving speed of the cutting blade 15 can be optimized, and the cutting of the grain weir (the stem portion of the crop of straw) by the cutting blade 15 can be smoothly and favorably.
The actuator 33 is attached to the side of the main frame 22 of the sorting and harvesting conveyance device 11, and the base of the drive chain case 30 is attached to the actuator 33.
Therefore, when the transport belt 14 moves upward by the upper and lower cylinders 18, the actuator 33 and the drive chain case 30 move upward together.
The conveyance unit drive unit 32 is provided in a gear box 36 by shafting a lower portion of a drive shaft (not shown) of the rear side roller 21 which stands upward on the gear box 36 in which the rotation transmission shaft 16 is shafted. The rear roller 21 is driven by a bevel gear (not shown). Reference numeral 37 denotes a transmission case incorporating a drive shaft.

Although not shown, the rotary transmission shaft 16 is provided to connect both the left and right gearboxes 36 of the left and right part harvesting / harvesting conveyance device 11, and the auger 8 is driven to the end of the rotary transmission shaft 16. Drive rotation is transmitted.
Further, an arm 40 in the front-rear direction in which the front end moves up and down is provided below the transport belt 14, and the gauge wheel 28 is axially mounted on the tip of the arm 40. A stay 42 is provided on the arm 40, a rod end of a gauge wheel elevating cylinder 43 is attached to the stay 42 so that height position adjustment is possible, and a base of the gauge wheel elevating cylinder 43 is attached to the fixed side of the reaper 4.
Therefore, in the normal reaping work state, the gauge wheel 28 supports the front portion of the mowing and transporting apparatus 11, and the gage wheel 28 moves up and down with the mowing and transporting apparatus 11 with the rotational transmission shaft 16 as a pivot.

However, when a certain load or more is applied to the cutting blade 15, the gauge wheel 28 is automatically lowered, and the transport belt 14 is relatively lifted.
Therefore, it can prevent that conveyance belt 14 and cutting blade 15 rush into earth.
That is, when a certain load or more is applied to the cutting blade 15, the gauge wheel lifting and lowering cylinder 43 is extended, and the gauge wheel 28 is automatically lowered relative to the main frame 22 of the sorting and mowing and transporting device 11, thereby relative The transport belt 14 is raised.
The height position of the conveyance lug 13 of the conveyor belt 14 relative to the gauge wheel 28 can be adjusted by changing the attachment position of the rod end of the gauge wheel elevating cylinder 43 with respect to the stay 42, and the conveyor belt in the field Initial setting of the height position of the conveyance lug 13 of 14 can be performed.

The output pulley 51 of the engine 50 is provided on the right side (outside) of the engine 50 with respect to the direction of movement of the engine 50 via the output pulley 51, and a gear case 52 is provided between the engine 50 and the grain tank 5 An intermediate pulley 53 is axially mounted on the gear case 52 by means of the intermediate left and right shafts 54, and a belt 55 is wound around the intermediate pulley 53 and the output pulley 51 (FIG. 5).
An intermediate longitudinal shaft 56 is rotatably mounted on the gear case 52, and the intermediate lateral shaft 54 and the intermediate longitudinal shaft 56 are rotationally transmitted in the gear case 52 by bevel gears (not shown). An intermediate pulley 58 is provided on the intermediate front and rear shafts 56. An output case 60 is provided at a predetermined position inside the gear case 52, and a tank output shaft 61 is axially mounted on the output case 60. The tank output shaft 61 transmits rotation to a discharge device (not shown) provided in the grain tank 5. (Figure 6).

A compressor 62 is provided above the gear case 52 (upper surface), and a belt 65 is wound around an input pulley 63 of the compressor 62 and an output pulley 64 provided on the intermediate left and right shafts 54.
Therefore, the compressor 62 can be provided by utilizing the space above the gear case 52, and the compressor 62 is positioned in the space K behind the engine 50 having a low ambient temperature through which the engine exhaust air passes in plan view. It is done.
In addition, although the structure which arrange | positions the gear case 52 in a high position is arbitrary, the gear case 52 is mounted in the upper surface of the support stand 70 in this example.
Inside the gear case 52 is provided a hydraulic pump 67 for supplying oil to a hydraulic motor (actuator 33) 66 serving as a drive source of the cutting blade 15 of the sorting and harvesting conveyance device 11. Connected so as to rotate integrally with the intermediate left and right shafts 54.

Therefore, in the narrow space between the engine 50 and the gren tank 5, together with the transmission mechanism to the gren tank 5, the hydraulic pump 67 of the sorting, mowing and transporting apparatus 11 can be disposed, and the space can be used effectively.
Further, since the hydraulic pump 67 is mounted on the upper surface of the support 70 together with the gear case 52, the positional relationship between the hydraulic pump 67 and the gear case 52 is not changed, and the mounting of the hydraulic pump 67 on the gear case 52 is facilitated.
The filler cap 76 of the filler plug 75 of the gear case 52 is provided on the rear side of the compressor support frame 78 above the cover 79 of the gear case 52.
Therefore, the gear case 52 can be refueled without removing the compressor 62 and the lid 79.
Further, the drain 80 of the gear case 52 is provided at the rear of the lowest surface of the gear case 52.
Therefore, the lubrication of the gear case 52 and the waste oil can be performed from the rear of the gear case 52 to facilitate the operation.

That is, although the engine 50 is on the front side of the gear case 52, when the glen tank 5 on the rear side of the gear case 52 is opened outward at the rear fulcrum, a working space is created on the rear side of the gear case 52. Easy to do.
A tension rod 84 of a tension pulley 83 of a belt 55 wound around an intermediate pulley 53 is attached to an output pulley 51 of the engine 50 and a gear case 52 on a compressor support frame 78 above the gear case 52.
Therefore, the support structure of the tension mechanism can be shared by the compressor support frame 78.

An intermediate output pulley 85 to the compressor 62 is provided coaxially with the intermediate pulley 53, and the base of the tension arm 89 of the tension pulley 88 of the belt 87 wound between the intermediate output pulley 85 and the input pulley 86 And the longitudinal axis 90 of the compressor support frame 78 located at the rear of the compressor 62 which is the rear of the tension pulley 88, and the fixing bolt 91 of the tension arm 89 is the longitudinal axis which is the rear of the input pulley 86 and the tension pulley 88 Fix it to 90.
Therefore, the tension adjustment is facilitated.

The belt stopper 94 of the belt 93 at the intermediate pulley 58 portion of the belt 93 wound around the intermediate pulleys 58 of the intermediate front and rear shafts 56 of the gear case 52 and the output pulley 92 of the tank output shaft 61 of the output case 60 The frame 78 and the support 70 are provided.
Further, the belt stopper 95 of the belt 93 in the portion of the output pulley 92 is fixed to the body frame 1 below the output case 60.
Therefore, the belt 93 and the belt stopper 95 can be replaced from the rear of the gear case 52.
An adjuster bolt 98 of a tension cable 97 of a tension pulley 96 of a belt 93 is provided on the compressor support frame 78 side.

(Function of the embodiment)
This invention is the above-mentioned composition, and when it makes a body run by run device 2, it runs so that a pair of conveyance belts 14 of right and left of division reaper transportation device 11 may be located above the ridge of a field. The stem portion of the grain enters the movement path of the conveyance belt 14 and is fed backward by the conveyance lug 13 of the conveyance belt 14, and the lower part of the grain crucible is cut by the cutting blade 15 which is rotated, The transport device 11 transports and supplies the auger 8 above the rotating auger 8, and the transport elevator supplies the threshing device 3 to the threshing machine 3 for threshing.
The dividing and transporting apparatus 11 is configured such that the front side of the dividing and harvesting apparatus 11 is moved up and down by the actuator 17 at the center of the rear side pivot point, and the actuator 17 is above the upper surface of the dividing and transport apparatus 11. As compared with the up-and-down mechanism provided with the wire for moving up and down the conventional parting-and-growing conveying apparatus 11, interference with the up-and-down mechanism and the grain can be prevented, and mowing can be performed favorably.

Since the long hole 19 is provided at the connecting portion between the actuator 17 and the sorting and transporting device 11, the vertical movement of the front portion of the splitting and transportation device 11 due to the unevenness of the field during traveling is absorbed.
Since the actuator 17 is provided with a pair of upper and lower cylinder elongated holes 19, the upper and lower transport belts 14 on the left and right of the sorting and mowing and transporting apparatus 11 can be evenly moved, and the working posture of the sorting and mowing and transporting apparatus 11 can be stabilized.
The conveyor belt 14 is wound around the front roller 20 and the rear roller 21, and a plurality of projections projecting in the radial direction are provided on the outer periphery of the upper and lower surfaces of the rear roller 21. The grain gravel conveyed up to is transported backward by the projection to prevent the occurrence of clogging near the end of conveyance by the conveyance belt 14.

The conveyance belts 14 of the sorting / cutting / conveying device 11 are formed by arranging a plurality of conveying lugs 13 in parallel at predetermined intervals, and the movement locus of the conveying lugs 13 of the pair of conveying belts 14 of the dividing / cutting / conveying device 11 is plan view In the above configuration, the transfer ability of the grain reed of the parting, harvesting, and conveying apparatus 11 can be improved.
Since the conveyor belts 14 of the sorting, cropping and conveying apparatus 11 are arranged in pairs vertically, and the upper and lower conveyor belts 14 have the same length, it is possible to stabilize the conveying posture in the vertical direction of the grain scale of the branching, cropping and conveying apparatus 11, The conveying power can be improved.

  DESCRIPTION OF SYMBOLS 3 ... threshing apparatus, 4 ... reaping apparatus, 5 ... gren tank, 6 ... control part, 10 ... auger table, 11 ... division grass repelling conveying apparatus, 13 ... conveyance lug, 14 ... conveyance belt, 15 ... cutting blade, 16 ... Rotary transmission shaft 17 Actuator 18 Upper and lower cylinders 19 Long hole 20 Front roller 21 Rear roller 22 Main frame Support 23 Stay 24 28 Gauge wheel 30 Drive chain case, 31: Transport unit center, 32: Transport unit drive unit, 33: Actuator, 50: Engine, 51: Output pulley, 52: Gear case, 53: Intermediate pulley, 54: Intermediate lateral axis, 55: Belt, 56 ... intermediate front and rear shaft, 58 ... intermediate pulley, 60 ... output case, 61 ... tank output shaft, 62 ... compressor, 63 ... input pulley, 64 ... output pulley, 65 ... bell , 67: hydraulic pump, 68: input shaft, 70: support base, 75: filler opening, 76: filler cap, 78: compressor support frame, 79: lid, 80: drain, 83: tension pulley, 84: tension rod , 85: intermediate output pulley, 86: input pulley, 87: belt, 88: tension pulley, 89: tension arm, 90: longitudinal rod, 91: fixing bolt, 92: output pulley, 93: belt, 94: belt stopper , 95: belt stopper, 96: tension pulley, 97: tension cable, 98: adjuster bolt.

Claims (8)

  In front of the traveling device (2) is provided a reaper (4) having a split mowing and transporting device (11) for harvesting and transporting stems of soybeans and the like at the foot of the field backwards; A plurality of (11) are arranged in parallel at the front part of the auger table (10) of the reaper (4), and each of the weed reaping and conveying devices (11) is a pair of left and right conveyor belts (14) with a conveyor lug (13) The cutting blade (15) is provided in the transport path of the transport belt (14), and the front side of the lawn mower transport device (11) is raised and lowered by the actuator (17) at the center of the pivot on the rear side. And the actuator (17) is provided below the upper surface of the sorting / removing and conveying apparatus (11).   The combine according to claim 1, wherein a long hole (19) is provided at a connecting portion between the actuator (17) and the sorting / harvesting conveyance device (11).   The combine according to claim 1 or claim 2, wherein the actuator (17) is provided with a pair of upper and lower cylinders (18) on the left and right of the sorting and harvesting conveyance device (11).   In the invention according to claim 1 or claim 2 or claim 3, the conveyor belts (14) of the above-mentioned sorting / harvesting conveyance apparatus (11) are formed by arranging a plurality of conveyance lugs (13) in parallel. A combined harvester according to claim 1, wherein the movement trajectories of the transfer lugs (13) of the pair of transfer belts (14) of the sorting / harvesting transfer apparatus (11) overlap in plan view.   In the invention according to claim 1 or claim 2 or claim 3 or claim 4, the conveying belts (14) of the above-mentioned mowing and transporting apparatus (11) are arranged in pairs, upper and lower conveying belts (14). Combine with the same length.   In the invention according to claim 1 or claim 2 or claim 3 or claim 4 or claim 5, the drive chain case (30) of the cutting blade (15) is installed below the cutting blade (15) The combine case is arranged so that the lowermost point of the chain case (30) or the cutting blade (15) is in the vicinity of the conveyance section center (31) which is the center in the left-right direction of the conveyance passage.   The combine drive according to claim 6, wherein the drive chain case (30) is driven by an actuator (33) independent of the transport unit drive unit (32).   The gauge wheel (28) is automatically lowered when a load of a certain level or more is applied to the cutting blade (15), and the conveyor belt (14) is relatively moved. Combine with the configuration to rise.

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