JP2956416B2 - Left and right slide type harvester - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a left-right sliding type mowing device, and is used for combine harvesters and the like.

[0002]

2. Description of the Related Art Conventionally, a combine for moving a cutting device in a lateral direction with respect to a chassis has been employed in a field for cutting a culm in a row. As described above, when the combine can cut the ridge, the area of the conventional pillow cutting can be reduced, and a machine that can be enjoyed by farmers can be provided.

Further, when the right and left sliding type mowing device is configured in association with an automatic direction control device, it is possible to reduce the change of direction of the chassis in the left and right direction, so that the operator can ride comfortably. It can provide a good machine. However, a conventional device, for example, a left-right driving device provided for moving the reaping device in the left-right direction as in the configuration shown in JP-A-3-98506, approaches a field scene near the reaping device. It is usually located in a different position.

[0004] As described above, the left-right driving device has a defect that when it is at a low position, mud from a field adheres and cannot be used for a long time.

[0005]

In the configuration in which the reaper can slide in the left-right direction, the durability of the portion that supports the reaper and guides it freely and slidably is required. It has become. In particular, since a series of these devices support a mowing device near a field scene, it is difficult to provide them far from the ground, and it is inevitable to be at a low position.

[0006] Therefore, it is important that the drive device is devised so that mud from the field does not adhere to the drive device to realize a device that can withstand long-term use.

[0007]

According to the present invention, the following technical measures are taken to solve the above-mentioned problems. That is, a support portion 4 for supporting the pre-cutting device 3 is provided at a front portion of the undercarriage 2 having the traveling device 1, and the support portion 4 is provided with an elevating support frame 5 for supporting the pre-cutting device 3 so as to freely move left and right. And a pivoting guide frame 6 for supporting and guiding the cutting pretreatment device 3 so that the cutting pretreatment device 3 can slide freely left and right. A sliding fitting portion 7 for supporting the cutting pre-processing device 3 so as to be freely slidable is provided in the upper rear portion and near the front of the upper portion of the lifting support frame 5. This is a right and left slide type mowing device provided with a left and right driving device 8 that slides the mowing preprocessing device 3 in the left and right direction between the preprocessing device 3 and the support portion 4.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the configuration will be described. Chassis 2
A crawler 9 is provided as the traveling device 1, a pre-cutting device 3 is provided at a front portion, and a well-known threshing device (not shown) is mounted at an upper portion. The threshing device is configured to thresh the harvested culm supplied from the pre-cutting treatment device 3.

The supporting portion 4 is mounted on the front of the chassis 2 so as to rise up to a high position, and pivotally supports the rear end of the lifting support frame 5. The lifting support frame 5 supports the rear end as described above, connects the other end of the lifting cylinder device 10 having one end attached to the chassis 2 to the intermediate portion, and connects the other end to the leading end. 3 of a pipe material for guiding the slide 3 freely.
And a sliding guide 6 composed of

The sliding frame 12 constituting the pre-cutting device 3
Is a weed supporting rod 16, 16 ', in which a weeding rod 15 is attached to the front end of a transmission case 13 arranged laterally at the rear and an angle member 14 similarly arranged laterally at the front side.
6 ". The sliding frame 12 is mounted at the front lower position between the weed supporting rods 16 and 16" at the front lower position, and the mowing device 17 is attached. ing.

The sliding frame 12 is mounted on the reaper 17.
Is freely engaged with the rail 11 of the lifting and lowering support frame 5 in the left and right direction, and a sliding ring 18 provided at the rear is provided.
Is slidably fitted to a receiving rod 19 provided on the lifting support frame 5. Thus, the sliding frame 12 is configured to be slidable left and right by the sliding fitting portion 7 including the receiving rod 19 and the sliding ring 18.

The reaping device 17 is, as shown in FIG.
Mounting flange 2 provided on weed support rods 16, 16 "
Since the angle member 14 can be adjusted up and down with respect to 0, the cutting height can be adjusted by adjusting the angle member 14. That is, the reaper 17 is
When the adjustment is performed as described above, the sliding frame 12 moves up and down with the receiving rod 19 of the lifting and lowering support frame 5 as a fulcrum. As shown in FIG. Can be.

The grain stem raising device 21 has a raising lug 22 and can be transmitted to a support cylinder 23 protruding from the transmission case 13 by inclining the start end downward and forward with the end end upward. It is supported by. And the left and right driving device 8
A screw holder 24 provided near the sliding ring 18 of the lifting support frame 5
The screw rod 25 attached to the sliding frame 12 is inserted through the motor so that the screw rod 25 can be driven by the motor 26.

The telescopic shaft 27 has universal joints 28 and 28 ′ connected to both ends, respectively, and has one end connected to the support portion 4 of the chassis 2.
, And the other is communicatively connected to the transmission case 13. In the case of the embodiment shown in FIG. 2, the sliding fitting portion 7 and the left and right driving device 8 are disposed above the front portion of the crawler 9 in a side view and provided at a position where mud in the field does not reach. ing.

In the embodiment shown in FIG. 5, when the lifting cylinder device 10 is mounted as a pair of left and right supporting frames 5 in a state of being interposed therebetween, the support can be stably and surely raised and lowered. is there. The motor 26 for driving the screw rod 25 is driven by a switch provided in the cockpit. In some cases, the motor 26 is provided with a sensor for detecting the culm on the weed support rod 16 ', detects the planting sequence of the cereal culm in the field, is turned on, and is turned on. May be driven to slide the reaper 17 in the left-right direction.

Reference numeral 29 denotes a grain culm conveying device. Further, as shown in FIG. 2, the left and right driving device 8 and the sliding fitting portion 7 are located above the starting end of the crawler 9.
Next, the operation will be described. First, in the pre-cutting device 3, the cutting device 17, the grain stalk raising device 21, and the grain stalk transport device 29 are driven by the rotational power transmitted into the transmission case 13 via the telescopic shaft 27. And Crow
When the car 9 is driven to advance the undercarriage 2, the culm in the field is weeded by the weeding rod 15 at the front and then reaches the beginning end of the cereal cultivation raising device 21 and is raised by the lug 22. And become upright.

Then, the seeds of the cereals are cut off by the reaper 17 and conveyed to the upper rear part by the cereal culm conveying device 29 to be supplied to a threshing machine (not shown). Now, during such an operation, the drive fitting portion 7 and the left and right drive device 8 are located above the crawler 9, and particularly in the configuration example shown in the embodiment shown in FIG. Since the mud is extremely small, smooth operation is not impaired, rust is not generated, and the device has high durability.

In order to cut the ridge, the pre-cutting device 3 operates a switch (not shown) to operate the motor 2.
6 is driven. Then, the sliding frame 12 moves to one side with the rotation of the screw rod 25 screwed into the screw holder 24 provided on the lifting support frame 5, and slides the reaping device integrally. At this time, the sliding ring 12 slides at the rear end of the sliding frame 12 with respect to the receiving rod 19, and the angle member 14 engages with the rail 11, which is the sliding guide 6, at the front. Move to one side while being guided in the state.

Therefore, the pre-cutting device 3 can slide to one side to move the cutting device 17 to the side of the ridge, and can cut the grain culm in that portion. When the pre-cutting device 3 is configured in association with the direction control device of the undercarriage 2, the cutting device 17 first slides before steering of the traveling device 1, and then the traveling device 1 If the direction is controlled, the steering angle of the chassis 2 may be small, and the ride comfort of the operator can be reduced.

[0020]

As described above, according to the present invention, a support for supporting the pre-cutting device is provided at the front of the undercarriage having the traveling device, and the support is capable of freely moving the pre-cutting device left and right. The lifting support frame is pivotally mounted, and the lifting support frame is provided with a sliding guide portion at its front portion for supporting and guiding the cutting pretreatment device so as to be freely slidable in the left and right directions. A slidable fitting portion for slidably supporting the pre-cutting device is provided, and the reaping pre-treatment device is slid in the left-right direction between the cutting pre-processing device and the support portion near the sliding fitting portion. Since the left and right driving device is provided, the sliding fitting portion and the left and right driving device can be protected from mud in the field, and this is a unique device capable of realizing a highly durable device.

[Brief description of the drawings]

FIG. 1 is a plan view showing a part of an embodiment of the present invention in a cutaway manner.

FIG. 2 is a side view partially broken away showing another embodiment of the present invention.

FIG. 3 is a side view showing a part of one embodiment of the present invention.

FIG. 4 is a side view showing the operation of one embodiment of the present invention.

FIG. 5 is a front view showing a part of one embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Running device 2 Undercarriage 3 Cutting pretreatment device 4 Support part 5 Elevating support frame 6 Sliding guide part 7 Sliding fitting part 8 Left and right drive

Claims (2)

(57) [Claims] 1. A support portion 4 for supporting a pre-cutting device 3 is provided at a front portion of a chassis 2 having a traveling device 1, and the support portion 4 supports the pre-cutting device 3 so as to freely move in the left-right direction. provided the support frame 5 pivotally mounted, together with the said elevating support frame 5 forms a sliding guide 6 for transverse sliding freely supported guide 3 pretreatment apparatus reaper said its front sliding guide After part 6
Near the front of the upper part of the lifting support frame 5
Sliding fitting part 7 which supports the cutting pretreatment device 3 in a sliding manner.
And the cutting pre-processing device 3 is provided near the sliding fitting portion 7.
A left-right sliding harvesting device comprising a left-right drive device 8 for sliding the pre-cutting device 3 in the left-right direction between the cutting device and the support portion 4. 2. A support 4 for supporting the pre-cutting device 3 is provided at a front portion of the chassis 2 having the traveling device 1, and the supporting portion 4 supports the pre-cutting device 3 so as to freely move left and right. provided the support frame 5 pivotally mounted, together with the said elevating support frame 5 forms a sliding guide 6 for transverse sliding freely supported guide 3 pretreatment apparatus reaper said its front sliding guide After part 6
Near the front of the upper part of the lifting support frame 5
Sliding fitting part 7 which supports the cutting pretreatment device 3 in a sliding manner.
And the cutting pre-processing device 3 is provided near the sliding fitting portion 7.
A left-right driving device 8 for sliding the pre-cutting device 3 in the left-right direction is provided between the right-hand driving device 8 and the supporting portion 4. Right and left slide-type mowing device.