JP3791125B2 - Combine - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a combine that is an agricultural machine.
[0002]
[Problems to be solved by the invention]
In the harvesting operation of the combine, by moving the harvesting device to the non-reaching height and stopping the transmission of the feed chain etc. of this harvesting device and the threshing device, the movement of the grain feeder by detection by the handling depth sensor, In other words, when the depth control is performed, the grain habit may be disturbed or the depth control may be out of order when the subsequent work is resumed.
[0003]
[Means for Solving the Problems]
The present invention deals with the supply depth of the cereal panicle portion supplied to the threshing device 3 while conveying and supplying the culm harvested by the reaping device 1 to the feed chain 4 of the threshing device 3 by the cereal conveying device 2. In a combine that adjusts the depth of handling to the threshing device 3 by moving the culm conveying device 2 while detecting with the depth sensor 5, the reaping device 1 is automatically moved by raising the vehicle body 6 to a certain non-cutting position. In addition, the driving of the reaping device 1, the culm transporting device 2 and the feed chain 4 is stopped, and the culm being transported stops during the transport of the reaping device 1, the culm transporting device 2 and the feed chain 4. In such a state, the handling depth movement of the cereal conveying device 2 is not performed by the handling depth check device 7 regardless of whether the handling depth sensor 5 is detected, and further, the cutting blade device 23 of the reaping device 1, Grain mashing device 8 24, and, the cutting current feeding device consisting Atsumarioku apparatus 25 and the like, when configured to move from side to side by the slide cylinder 38 hydraulically extendable relative reaper frame 20, frame 20 reaper the said slide cylinder 38 The tip of the piston rod 39 that is connected to one side and moves in the slide cylinder 38 is connected to the cutting slide frame 43 side. The cutting slide frame 43 is connected to the guide tube 44 that is fixed to the lower end of the cutting frame 20. The hydraulic hoses 51 and 52, which are configured to be fitted and supported so as to be movable left and right and connected to the slide cylinder 38 integrated with the cutting frame 20 side via the elbow 55, are configured to have a coupler 56 at the tip. The coupler 56 of the hose 51, 52 is attached to the tip of the hydraulic hose 49, 50 on the hydraulic pump side, Cutting device 1 vertically rotatably it has been the coupler 57 and the mating releasably structure fixed to a part of the left bracket 19 that支架 the combine structure characterized by.
[0004]
【The invention's effect】
When the reaping device 1 is lowered to the reaping position and reaped, the cereal that is harvested by the reaping device 1 is conveyed by the cereal conveying device 2 and is inherited by the feed chain 4 of the threshing device 3, and the head portion is threshed. It is fed into the device 3 and threshed. In this cereal conveying device 2, the feeding device for the head is detected by the handling depth sensor 5, and the cereal conveying device 2 is moved so that proper supply to the threshing device 3 is performed, and the handling depth control is performed. Done. Here, when the reaping device 1 is raised to a non-reaching position by a certain amount, this automatically stops the reaping device 1, the culm conveying device 2, and the feed chain 4, and the culm being transported In a state where the harvesting device 1, the corn straw conveying device 2, and the feed chain 4 are stopped in the middle of conveyance, the handling depth check device 7 stops the handling depth control of the corn straw conveying device 2. Further, depending on the situation, a cutting and feeding device including the cutting blade device 23 of the cutting device 1, the culm pulling device 8, the culm picking device 24, the collecting device 25, and the like is attached to the cutting frame 20. It is moved left and right by a slide cylinder 38 that is hydraulically expanded and contracted.
[0005]
Therefore, regardless of whether the handling depth sensor 5 detects the culm, the cereal transporting device 2 that is not being transported is not moved. At the time of resuming the cutting by lowering, it is possible to perform appropriate handling depth control starting from the handling depth posture position at the time of harvesting stop. In addition, maintenance and inspection work is facilitated in a combine that can offset the cutting position with respect to the vehicle body 6.
[0006]
【Example】
The combine is provided with a harvesting device 1 having a harvesting device 1 and a harvesting device 1 having a harvesting device 2 for holding and transporting the harvested harvested rice cake to the threshing device 3 on the front side of the vehicle body 6. And the threshing device 3 in a self-deleting form that takes over the cereals sent from the cereal transporting device 2 and threshs and sorts them along the cereal transfer port 11 of the threshing chamber 10. Mount on top.
[0007]
On the vehicle body 6 having the crawler traveling device 12, the control table 13, the cockpit 14, the engine under the engine cover 15, the Glen tank 16 that stores the threshing selected grains, and the grains in the Glen tank 16 are out of the machine. The cerealing auger 17 to be taken out is mounted. The reaping device 1 has a bracket 19 provided on a traveling transmission case 18 in front of the threshing device 3 and supports the rear end upper portion of the reaping frame 20 so as to be pivotable up and down around the lifting shaft 21, and the hydraulic pressure of the lift cylinder 22. It is moved up and down with respect to the vehicle body 6 by expansion and contraction.
[0008]
The reaping device 1 includes a cutting blade device 23, a culm pulling device 8, a culm picking device 24, a collecting device 25 for collecting and harvesting the chopped cereal, and a collecting device 25. It is composed of a grain haul transport device 2 and the like comprising a stock transport chain 26 and a tip transport lug 27 for transporting to the starting end portion of the feed chain 4 while inheriting and transporting the produced grain straw.
[0009]
The grain straw transporting device 2 is slidably supported by a handling depth arm 28 whose rear portion is pivotally supported around the lifting shaft 21 and which is pivoted up and down by an electric handling depth motor M1 attached to the bracket 19. 29, and the front end side is moved up and down by the rotation of the handling arm 28. By moving the front end of the grain masher 2 in the vertical slimming direction with respect to the collecting device 25 and changing the takeover position of the harvesting and collecting grain masher to the slimming direction, the standard handling deep position to the deep handling position To the shallow handling position.
[0010]
The handling depth sensor 5 that controls the handling depth motor M1 that constitutes the handling depth control device is provided in the middle of the cereal carrying device 2, and the position of the tip of the carrying cereal is brought into contact with the handling depth sensor 5. Is detected to be too shallow, the handling depth motor M1 is driven via the controller CR to lower the front end of the grain feeder 2 and move the takeover position of the slime to the stockholder side. Return to. On the other hand, when the handling depth sensor 5 detects that the depth is too deep, it is operated reversely to return to the standard handling depth position. In this way, an appropriate handling depth is maintained and controlled.
[0011]
The transmission mechanism from the engine to each part of the traveling device 12, the reaping device 1, and the threshing device 3 travels through the mechanism in the transmission case 30 on the vehicle body 6 and then travels through the belt 31 and the hydraulic continuously variable transmission HST. The traveling device 12 can be transmitted in conjunction with the transmission gears in the shaft 18, and each part of the cutting device 1 in conjunction with the transmission mechanism in the cutting frame 20 via the belt 32 and the cutting input shaft 35 on the central portion of the lifting shaft 21. , And can be transmitted to each part of the threshing device 3 via the belt 33, and can transmit the auger shaft of the threshing auger 17 of the grain tank 16 via the belt 34.
[0012]
The transmission of the threshing device 3 to the feed chain 4 is transmitted from the cutting input shaft 34 through the drive shaft 36 of the cereal conveying device 2. In the transmission case 30, there is provided a cutting clutch for turning on and off the transmission to the belt 32, and this cutting clutch is operated by the electric clutch motor M2 to turn on and off the transmission to each part of the cutting device 1 and the feed chain 4.
[0013]
The handling depth check device 7 arranges the handling depth sensor 5 and the cutting device height sensor 37 on the input side of the controller CR. The reaping device height sensor 37 detects the ascending position of the reaping device 1 with respect to the vehicle body 6, and includes a potentiometer that detects the elevation angle of the reaping frame 20, a stroke sensor that detects the amount of expansion and contraction of the lift cylinder 22, and the like. It is good to comprise. Further, a handling depth motor M2 is provided on the output side, and handling depth control for moving the cereal conveyance device 2 as described above can be performed by the handling depth sensor 5.
[0014]
Furthermore, when the reaping device height sensor 37 detects that the reaping device 1 is raised to a certain non-reaching position, the clutch motor M2 is output to disengage the clutch, and the reaping device 1 and the feed chain 4 are transmitted. Cut it off. Moreover, simultaneously with the output of the clutch motor M2, the output of the handling depth motor M1 for moving the grain feeder 2 is stopped. When the cutting device 1 is lowered to the cutting height, the clutch motor M2 is output by the detection of the cutting device height sensor 37 to turn on the transmission clutch of the cutting device 1 and the feed chain 4, and the control of the handling depth check device 7 is performed. Is set to a state in which handling depth control is performed.
[0015]
In such a state that the reaping device 1 is raised, the cereal conveyance of the cereal conveying device 2 is stopped, the feed chain 4 is stopped, and the conveying cereal is stopped in the middle of the conveyance, the handling depth The handling depth movement of the grain feeder 2 by the check device 7 is not performed regardless of the handling depth sensor 5, so there is little disturbance of the grain straw, and when the harvesting device 1 is lowered and the harvesting is resumed Can start the working depth control from the working depth position when the cutting is stopped.
[0016]
4 and 5, the point different from the above example is that a cutting and collecting device including the cutting blade device 23 of the cutting device 1, the culm pulling device 8, the culm picking device 24, the collecting device 25, and the like. The cutting position can be offset with respect to the vehicle body 6 as a configuration in which the cutting frame 20 can be moved left and right by a slide cylinder 38 that is hydraulically expanded and contracted. The slide cylinder 38 is connected to one side of the cutting frame 20, and the tip of the piston rod 39 is connected to the cutting slide frame 43 side in which the weeding rod 40, the pulling frame 41, the collecting frame 42, and the like are integrated.
[0017]
The slide frame 43 is fitted and supported by a guide tube 44 fixed to the lower end of the cutting frame 20 so as to be movable left and right. Inside the cutting frame 20, the slide frame 43, the pulling frame 41, the collecting frame 42, etc., transmission mechanisms 45 to 48 that are linked from the cutting input shaft 35 to each part of the cutting device 1 are provided.
The slide cylinder 38 connects hydraulic hoses 49 to 52 and the like to the control valve of the hydraulic circuit. An oil seal 54 is fitted near the piston 53 at the head of the piston rod 39 inserted into the slide cylinder 38. When the oil seal 54 is broken, the oil leakage is caused from the A side to the B side due to the volume or area ratio between the area A on the piston rod 39 side and the area B on the opposite side in the cylinder with the piston 53 as a boundary. Although easy, it is difficult to leak from the B side to the A side. That is, when the slide cylinder 38 cannot hydraulically expand and contract due to a failure in the hydraulic circuit, the piston 53 moves to the area B side, and the reaping device 1 moves in the direction opposite to the control table 13 side and is offset. When the reaping device 1 is to be retracted to the cab 13 when in the state, the reaping device 1 may be pushed manually, and the piston 53 is easily moved from the area B side to the A side.
[0018]
The hydraulic hoses 51 and 52 connected to the slide cylinder 38 integral with the cutting frame 20 side via the elbow 55 have a coupler 56 at the tip, and are attached to the tips of the hydraulic hoses 49 and 50 on the hydraulic pump side. The coupler 57 can be connected by being fitted and fixed to a part of the bracket 19. As a result, when the cutting frame 20 is attached to and detached from the vehicle body 6, the coupling and separation of the hydraulic hoses 49, 50 and 51, 52 can be easily performed by fitting / removing the couplers 56, 57.
[0019]
In FIG. 6, the point different from the above example is that the compressor 58 used in the cabin air conditioner covering the upper part of the combiner's cockpit 14 and the control table 13 of the combine is transmitted to the belts 59 and 60 and the arrangement of each part. Regarding the mechanism. In order to prevent the vibration of the engine E from being directly transmitted to the compressor 58 and to make the whole compact, a counter shaft 62 is pivotally supported on a bracket 61 on which the compressor 58 is mounted, and the counter shaft 62 pulley 63 and the compressor 58 are The belt 60 is stretched between the pulley 64 and tensioned by the tension pulley 65. An arm 66 is attached to the bracket 61 so that the tension pulley 65 can be moved and adjusted.
[0020]
A counter pulley 67 is provided on the opposite side of the counter shaft 62 and is transmitted to the engine E by a belt 59. The belt 59 is supported by a tension pulley 67 supported by the bracket 61 via an arm 68. Tighten. The compressor 58 is disposed in the middle of the space between the engine E and the counter shaft 62, and the tension pulleys 65 and 67 are disposed close to each other.
[0021]
The bracket 61 having the compressor 58 is attached to the base 74 on the vehicle body 6 side by bolting. The arm 68 of the tension pulley 67 is rotatable around an arm shaft 69 below the arm 66, and a spring 71 is provided between the tip of the arm 68 and the bearing bracket 70 of the counter shaft 62. The belt 59 is tensioned. Reference numeral 72 denotes this adjusting bolt, and 73 denotes an adjusting bolt for the tension pulley 65.
[Brief description of the drawings]
FIG. 1 is a block diagram of a handling depth check device unit.
FIG. 2 is a side view of a cutting transmission mechanism.
FIG. 3 is a side view of the combine.
FIG. 4 is a perspective view of a cutting frame portion and a front sectional view of the slide cylinder portion.
FIG. 5 is a plan view of a cutting frame portion.
FIG. 6 is a perspective view of a compressor transmission portion, an enlarged perspective view of a part thereof, and a side view.
FIG. 7 is a plan view and a side view thereof.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Harvesting device 2 Grain feeder 3 Threshing device 4 Feed chain 5 Handling depth sensor 6 Car body 7 Handling depth check device 8 Grain raising device
19 Bracket 20 Cutting frame 23 Cutting blade device 24 Grain picking device 25 Collecting device 38 Slide cylinder
39 piston rod
43 Cutting slide frame
44 guide tube
49 hydraulic hose
50 hydraulic hose
51 Hydraulic Hose
52 hydraulic hose
55 elbow
56 coupler
57 coupler

Claims (1)

The grain panicle part supplied to this threshing device (3) while conveying and supplying cereals harvested by the reaping device (1) to the feed chain (4) of the threshing device (3) by the cereal conveying device (2) In the combine for adjusting the handling depth to the threshing device (3) by moving the cereal conveying device (2) while detecting the supply depth of the chopping by the handling depth sensor (5), the reaping device (1) Automatically stops driving the reaping device (1), the culm transporting device (2) and the feed chain (4) by ascending to a certain non-reaching position with respect to the vehicle body (6). In the state where the reaping device (1), the cereal conveying device (2), and the feed chain (4) are stopped during the conveying, the handling depth of the cereal conveying device (2) is controlled by the handling depth check device (7). The movement is configured not to be performed regardless of whether the handling depth sensor (5) is detected, In addition, a cutting and feeding device comprising the cutting blade device (23), the culm pulling device (8), the culm scraping device (24), the collecting device (25) and the like of the reaping device (1). When the slide cylinder (38) hydraulically expands and contracts with respect to the cutting frame (20) is configured to move left and right, the slide cylinder (38) is connected to one side of the cutting frame (20), and the slide cylinder (38) The tip of the piston rod (39) moving inside is connected to the cutting slide frame (43) side, and the cutting slide frame (43) is fixed to the lower end of the cutting frame (20). 44) hydraulic hoses (51, 52) which are configured to be fitted and supported so as to be movable to the left and right, and are connected to a slide cylinder (38) integral with the cutting frame (20) side via elbows (55). Has a coupler (56) at the tip, and the coupler (56) of the hydraulic hose (51, 52) is attached to the tip of the hydraulic hose (49, 50) on the hydraulic pump side, and the cutting device (1 ) And a coupler (57) fixed to a part of the left bracket (19) that is pivotably supported up and down .

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