JPH0889054A - Slide-type reaping device of combine - Google Patents

Abstract

PURPOSE: To provide a reaping device capable of being automatically moved laterally to a receiving side when the revolution of a motor becomes below a predetermined value. CONSTITUTION: This slide-type reaping device of a combine is constructed as follows. A motor 3 and a thresher 4 are mounted on a vehicle stand 2 having a traveling device 1. A pretreating reaping device 7 having a reaping device 5 and a crop stem conveying device 6 is installed and held to be vertically movable in front of the thresher 4. The reaping device 5 is installed to be laterally movable based on a usual received position in the pretreating reaping device 7 and capable of returning the received position when the revolution of the motor becomes below a predetermined value.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a harvesting device that slides laterally and is used for combine harvesters.

[0002]

2. Description of the Related Art Conventionally, combine harvesters for moving a mowing device laterally with respect to a chassis have been used to mow grain culms at ridges in a field. In this way, the combine harvester can reduce the area of pillow cutting conventionally performed when it is possible to mow the ridge, and can provide a farmer with a pleasing machine.

If the left and right slide type mowing device is constructed in association with the automatic direction control device, both lateral movement of the mowing device and automatic direction control correspond to each other. The number of conversions can be reduced, and the operator can be provided with a machine that is comfortable to ride on.

[0004]

During the work, the mowing device which slides in the lateral direction performs the mowing work while advancing forward in a state of protruding laterally outward with respect to the chassis having the traveling device. During such work, the prime mover
It continues to rotate at high speed to withstand the work load. And
When you stop working and move to another place,
It is a normal operation to slide to the storage position of the mowing pretreatment device by operating the operator, but in reality, the operator forgets to operate and may move forward in a protruding state and damage it.

As described above, the reaping device has the problems of not only being damaged but also lacking in safety when it is run on the road or mounted on a truck while sliding laterally.

[0006]

The present invention takes the following technical means in order to solve the above problems. That is, the prime mover 3 is mounted on the chassis 2 having the traveling device 1.
And threshing device 4 are mounted, and a mowing pretreatment device 7 having a mowing device 5 and a grain culm conveying device 6 is provided on the front side of the threshing device 4 so as to be vertically moved up and down. In the device 7, the mowing device 5 is provided so as to be movable laterally with respect to the normal storage position, and the mowing device 5 can return to the storage position when the rotation speed of the prime mover 3 drops below a predetermined rotation speed. Is a combine harvester of the slide type.

[0007]

EXAMPLE First, the structure will be described. Chassis 2
It has a crawler as the traveling device 1, a cutting pretreatment device 7 is provided at the front part, and a threshing device 4 is mounted on the upper part with a prime mover 3 for transmitting each rotating part of the machine body and a grain culm supply port 8 on the front side. are doing. The threshing device 4 is provided with a feed chain 10 along the upper handling chamber 9 and a sorting chamber 11 below the feeding chamber 10.

An elevating and lowering support frame 12 for supporting the reaping pretreatment device 7 has its rear end pivotally attached to the front part of the chassis 2 and the support part 13 which is raised and installed in front of the threshing device 4. The intermediate portion is connected to the other end of the hydraulic cylinder device 14 having one end attached to the chassis 2 and the end portion is provided with a roller 15 for slidably guiding the cutting pretreatment device 7. I am configuring.

Further, the pre-mowing treatment device 7 has a transmission case 16 laterally arranged at the rear portion and an angle member 17 similarly arranged laterally at the front side thereof, and a weeding rod 18 is attached to the tip end thereof. At the front lower position of the sliding frame 20 which is integrally framed by the support rods 19, 19 ', 19 ", the cutting device 5 is hung between the grass support rods 19, 19" on both sides. Installed and configured.

The sliding frame 20 engages the angle member 17 on the rear side of the reaping device 5 with the roller 15 of the elevating and lowering support frame 12 so that the sliding frame 21 can move left and right, and the sliding ring 21 provided on the rear portion.
Is slidably fitted to a receiving rod 22 provided on the lifting support frame 12. In this way, the sliding frame 20 is fixed to the fixed rod 2.
The sliding ring 21 fitted to the 2 is configured to be slidable in the lateral direction.

One end of the screw rod 23 is rotatably supported by the elevating and lowering support frame 12, the other end of the screw rod 23 is borne by the receiving rod 22, and a control motor 24 is attached to the end thereof.
Further, the sliding frame 20 has a structure in which the rear portion 20a is screwed into the screw rod 23, and when the screw rod 23 is driven, the sliding frame 20 is laterally moved by a spiral. The grain culm erecting device 25 has a erecting lug and is inclined with its starting end portion positioned downwardly and forwardly and its terminal end portion positioned rearward and upward, and protruding from the transmission case 16.
It is supported by 6 for transmission.

The telescopic shaft 27 has universal joints 28 and 28 'connected to both ends thereof, and one end thereof is supported by the support portion 1 of the chassis 2.
3 is connected to the transmission portion and the other is connected to the transmission case 16 so that it can be transmitted. Next, the controller 29 will be described. In the embodiment shown in the drawings, when the prime mover 3 becomes equal to or lower than a predetermined rotation speed, the reaping device 5 automatically laterally moves and returns to the storage position. First, the rotation sensor 30 is provided in the rotating portion of the prime mover 3 so as to detect the number of rotations thereof, and the detected data is sent as a signal to the controller 29. The control motor 24 is controlled and driven based on the output signal from the controller 29, but the rotation sensor 30 is used.
If the data transmitted from is below a predetermined number of rotations,
The control motor 24 is configured to be driven in a direction in which the sliding frame 20 having the reaping device 5 is slid to the storage position (position within the vehicle width) side.

That is, the screw rod 23 is driven by the control motor 24 to rotate and slide the sliding frame 20 toward the storage position. The grain culm transporting device 6 is arranged on the side of the sliding frame 20 and transports the harvested grain culm to the starting end of the feed chain 10. Then, in order to perform a normal operation, a manual switch for a reaping slide is provided in the cockpit to control the motor 24.
Is configured so that it can be turned on and off and can be rotated normally and reversely.
In this case, the control motor 24 is provided with a sensor for detecting grain culms on the weed supporting rods 19 ', detects a row of grain culms planted in the field, and is turned on to drive the screw rod 23. However, the harvesting device 5 may be configured to be slidable in the left-right direction.

Reference numeral 31 indicates a grain tank. Another Embodiment Another embodiment shown in FIGS. 6 and 7 will be described. The reaping device 40 is provided with a left shunt rod 41 and a right shunt rod 41 'on both sides, and a direction sensor 42 is attached to the left shunt rod 41 and a right shunt rod 4 is provided.
1'is provided with a cutting width slide sensor-43. Then, the traveling direction control mechanism uses the direction sensor-4.
2 advances while detecting the grain culm row planted in the field, sends the data to the controller 44, and outputs it to the switching valve 51 of the hydraulic device for intermittently operating the side clutch (not shown) by the output signal. It is configured to do.

When the cutting width slide sensor 43 detects a grain culm, the cutting width slide mechanism sends the data to the controller 44 so that the right splitting rod 41 'is moved to the left and right with respect to the left splitting rod 41. The cutting width of the cutting device 40 that is moved to the cutting device 40 can be changed and adjusted.
The sliding movement frame 45 to which the base of the above is attached is supported by the fixed machine frame 46 so as to be slidable left and right, and the spiral shaft 47 and the control motor 48.
It is configured so that it can be moved in the left and right directions by and. The control motor 48 is constructed so that it can be driven in the forward and reverse directions based on the output signal from the controller 44.

Reference numeral 49 is a transmission case, which has a transmission shaft incorporated therein. Reference numeral 50 denotes a reaping drive device. In this another embodiment, with the above-described configuration, when the inner cutting width slide sensor-43 detects a grain culm, the right sward rod 41 'moves to the right in a direction to widen the cutting width. Explaining that, the control motor 48 has an inner cutting width slide sensor.
Based on the detection signal sent from 43, the output signal from the controller 44 is output and driven. Then
As a result of the sliding movement frame 45 being moved to the outside (right side) by the spiral shaft 47 that is rotated, the right shunt rod 41 ′ widens the interval (cutting width) with the left shunt rod 41.

As described above, the cutting width can be automatically adjusted. Next, the operation of the embodiment of the present invention will be described. First, the mowing pretreatment device 7 includes the telescopic shaft 2
The harvesting device 5, the grain culm raising device 25, and the grain culm transporting device 6 are driven by the rotational power transmitted to the transmission case 16 via 7. Then, the traveling device 1 is driven to drive the chassis 2
When moving forward, the grain culms in the field are erected by being reached by the leading end portion of the grain culm raising device 25 after being weeded by the front shunt rods 18.

In the grain culm, the stock of the grain is cut by the harvesting device 5, held by the grain culm transporting device 6 and transported to the upper rear portion, and is inherited by the leading end portion of the feed chain 10 of the threshing device 4, and the tip portion is threshed. It is supplied to the handling room 9 of the device 4. Then, the grain culms are threshed in the handling chamber 9, fall into the sorting chamber 11 below, and are sorted by the combined action of the sorting wind and the swing sorting shelf.

The grains thus sorted are stored in the grain tank 31 and filled in the paddy bag. Now, thereupon, the pre-mowing treatment device 7 causes the chassis 2 to move toward the traveling direction.
When the grain row on the left side is to be mowed by sliding to the left side, the switch (not shown) is operated to drive the control motor 24 and rotate the screw rod 23. Then, in the sliding frame 20, the threaded portion of the rear portion 20a is guided to the screw rod 23, and further,
The sliding ring 21 is guided by the receiving rod 22 while being supported, and the front angle member 17 slides in the direction of the arrow shown in FIG. 1 while being guided and supported by the roller 15.

Therefore, the pre-mowing treatment device 7 includes the chassis 2
It is possible to slide the reaping device 5 to the target row of planted grain culms by sliding to the left side of, and to trim the grain culm in that portion. Further, when the pre-mowing processing device 3 is configured in association with the direction control device of the chassis 2, before the steering of the traveling device 1, first, the mowing device 5 slides, and thereafter, the traveling device 1 by the shortage. Undercarriage 2 if direction is controlled
The steering angle of the vehicle can be small, and it is possible to reduce the loss of the riding comfort of the operator.

As described above, while the reaping pretreatment device 7 is slid to the left side in the traveling direction of the chassis 2, while the reaping and threshing work is continued, the rotation sensor 30 is operated by the prime mover 3.
Constantly detects the number of rotations of the controller and outputs data to the controller 29.
Are sending as. When the rotation speed of the prime mover 3 becomes lower than the reference data, the controller 29 outputs an output signal to reversely drive the control motor 24 to drive the pre-mowing processing device 7. A return id is made to the storage position side of the vehicle body 2.

Then, the mowing pretreatment device 7 has the screw rod 23.
Based on the rotation of the vehicle, the vehicle slides in the opposite direction to return to the storage position within the vehicle width of the chassis 2. As described above, the prime mover 3 interrupts the mowing threshing work and turns,
When the vehicle moves on the road or is loaded on a truck, the rotation of the cutting device is slower than that of the work, so that the harvesting device 5 can be automatically stored.

Therefore, the pre-mowing treatment device 7 can be automatically returned to its original position without worrying about forgetting to store it. Therefore, there is no damage and safe work can be performed.

[0024]

As described above, according to the present invention, the prime mover 3 and the threshing device 4 are mounted on the chassis 2 having the traveling device 1, and the harvesting device 5 and the grain are provided in front of the threshing device 4. A mowing pretreatment device 7 having a culm conveying device 6 is provided so as to be vertically movable up and down, and the mowing device 5 is provided in the mowing pretreatment device 7 so as to be laterally movable with respect to a normal storage position. Since the mowing device 5 is configured to be able to return to the storage position when the rotation speed of the prime mover 3 drops below a predetermined rotation speed, the mowing pretreatment device reduces the rotation speed of the prime mover when the work is interrupted. Along with that, it is automatically slid to the storage position of the chassis. Therefore, the pre-mowing treatment device has a feature that it is possible to protect the device from damage without worrying about forgetting the storing operation and to perform the work safely.

[Brief description of drawings]

FIG. 1 is a partially cutaway plan view showing an embodiment of the present invention.

FIG. 2 is a side view showing a part of the embodiment of the present invention in a cutaway manner.

FIG. 3 is a block circuit diagram showing an embodiment of the present invention.

FIG. 4 is a plan view of the combine according to the embodiment of the present invention.

FIG. 5 is a side view of the combine according to the embodiment of the present invention.

FIG. 6 is a plan view showing the operation of the main part of another embodiment of the present invention.

FIG. 7 is a block circuit diagram showing another embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Traveling device 2 Chassis 3 Motor 4 Threshing device 5 Mowing device 6 Grain-carrying device 7 Mowing pretreatment device

Claims (1)

[Claims] 1. A prime mover 3 is mounted on a chassis 2 having a traveling device 1.
And a threshing device 4 are mounted on the front side of the threshing device 4, and a mowing pretreatment device 7 having a mowing device 5 and a grain culm transporting device 6 is vertically supported to be provided on the front side of the threshing device 4. In the device 7, the mowing device 5 is provided so as to be movable laterally with respect to the normal storage position, and the mowing device 5 can return to the storage position when the rotation speed of the prime mover 3 drops below a predetermined rotation speed. Combine harvester