JP3324204B2 - Right and left slide type harvesting and conveying device of combine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine harvester / transfer device for sliding a combine.

[0002]

2. Description of the Related Art Conventionally, a combine that moves a mowing device in a lateral direction with respect to a chassis has been used to prevent the build-up of muddy soil on a side of uncultivated grain culm in a wetland and to mow the grain culm in a row without leaving uncut. Has been adopted. The combine harvester can cut the target culm row while passing the traveling device away from the root of the culm planting row to be cut and mowed in wetland work and cut next time, so the next row When cutting, reliable cutting can be performed without being disturbed by mud. In addition, by being able to cut the ridges, it is possible to reduce the area of the conventional pillow cutting, and it is possible to provide a machine that is pleasing to farmers.

[0003] Further, when the left and right 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 from side to side,
It is possible to provide an operator with a machine having a comfortable ride. Conventionally, in the above-mentioned left and right movable harvesting and transporting apparatus, conventionally, the relative position between the end of the front scraping transporting device of the pre-cutting device and the starting end of the cereal culm transporting device, and the end of the cereal culm transporting device However, the relationship between the section and the starting end of the feed chain of the threshing machine and the configuration of the take-off guide rod and the like were still insufficient. If the transfer guide rod is provided from the threshing machine side,
It is necessary to avoid when handling, and the operability will be poor.
I was

[0004]

The seed culm conveying device of this type of pre-cutting stalk that slides in the left and right direction has a starting end portion that moves left and right following the reaping device and the front scraping conveying device. And the other end must not move left or right in relation to the feed chain of the threshing machine in a fixed position.

[0005] The take-off guide rod facing the feed chain from the front side always secures a fixed position without sliding even if the cutting pretreatment device slides left and right in order to always surely guide the transfer of the grain stalk. It is necessary. Further, it is required that the relative position between the starting end of the grain culm transport device and the front scraping transport device does not change before and after sliding. Also, the transfer guide rod is not from the threshing machine side, but from the front
If you are facing the feed chain, avoid it when handling
Eliminates the need.

[0006]

The present invention employs the following technical means in order to solve the above-mentioned problems. That is, first, in the first invention, a threshing machine 3 provided with a feed chain 2 along a handle 1 is provided with a cereal stalk supply port 4 in the front side.
A support portion 7 for supporting a pre-cutting device 6 is provided at a front portion of a chassis 5 on which the cutting pre-processing device 6 is mounted, and the supporting portion 7 supports the cutting pre-processing device 6 so as to freely move in the left-right direction. 8
The lifting support frame 8 is provided with a guide device 9 for supporting and guiding the pre-cutting device 6 so as to be freely slidable left and right, and a left-right driving device 10 for driving the pre-cutting device 6 in the left-right direction. The harvesting culm can be inherited and transported between the end portion of the grain culm conveying device 11 of the cutting pre-processing device 6 and the start end of the feed chain 2. The starting end of the feed chain 2 is provided. In order to provide the takeover guide rod 12 provided facing the front side from the front, the stalk transport device 11 is extended upward from below.
The combining rod 36 is provided on a member that does not move in the left-right direction.

[0007] The second invention relates to the grain culm transport device 1
1 is moved to the left and right together with the pre-cutting device 6, and the starting end of the culm conveying device 11 and the front scraping conveying device 1 are moved.
3. The combine right-and-left slide type reaping and conveying device according to claim 1, wherein a relational position before and after with respect to an end portion of the third combiner does not change.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, the configuration will be described. Chassis 5
It has a crawler 14 and a cutting pre-processing device 6 is provided at the front,
At the upper part, a threshing machine 3 having a feed chain 2 is mounted with a cereal culm supply port 4 positioned on the front side. And the threshing machine 3 is configured to thresh the harvested culm supplied from the pre-cutting processing device 6.

The support section 7 is mounted at a high position on the front of the chassis 5, and supports the rear end of the lifting support frame 8 by pivoting. As described above, the lifting support frame 8 rotatably supports the rear end thereof on the horizontal axis, and connects the other end of the lifting cylinder device 1 having one end attached to the chassis 5 to an intermediate portion. The portion is provided with a guide wheel 16 for guiding the pre-cutting device 6.

The sliding frame 17 constituting the pre-cutting device 6
Is a weeding support rod 21, 21 ', 2 in which a weeding rod 20 is attached to the front end of a transmission case 18 arranged laterally at the rear and an angle member 19 similarly arranged laterally at the front side.
The sliding frame 17 is attached to the weeding support rods 21 and 21 "on both sides of the sliding frame 17 at the front lower position, and the mowing device 22 is attached thereto. ing.

[0011] The transmission structure to each part of the sliding frame 17 will be described. The telescopic shaft 23 has universal joints 24 and 24 'connected to both ends thereof, and has one end connected to the support part 4 of the chassis 2. The other end is connected to the transmission shaft 25 and the other end is connected to the transmission case 18 so as to be able to transmit, so that the transmission can be continued by expanding and contracting even if the sliding frame 17 slides in the left-right direction.

The mowing device 22 is provided in the transmission case 18.
It is configured so that it can slide in the left-right direction via the driving device 26 taken out from the device and perform a mowing action. Drive device 26
Is protected by the lifting support frame 8 located behind. Then, the sliding frame 17 moves the angle member 19 located behind the reaper 22 to the lifting support frame 8.
And a sliding ring 27 provided on a rear portion thereof is slidably fitted on a receiving rod 28 provided on the elevating support frame 8.

In this manner, the sliding frame 17 is supported by the guide device 9 including the guide wheel 16 and the receiving rod 28 of the elevating support frame 8 so as to be slidable left and right. The cereal stem raising device 29 has a raising lug 30, the start end of which is inclined forward with the end positioned upward and the rear end is positioned upward and rearward, and is movably supported by a support tube 31 projecting from the transmission case 18. ing.

The left and right driving device 10 comprises a screw rod 32 provided on the lifting and lowering support frame 8 and a screw receiving member 33 of the sliding frame 17, and the screw receiving member 33 is screwed to the screw rod 32. ing. That is, the screw rod 32 is rotatably mounted on the lifting support frame 8 in parallel with the receiving rod 28, and is driven by the motor 30. The motor 34 is configured to be able to drive forward or reverse by operating a switch on the driver's seat.

Reference numerals 35 and 35 'denote limit switches, which are provided on the left and right sides of the screw rod 32, and are turned on when the moving screw receiver 33 comes into contact with the motor 3 so that the motor 3 is turned on.
4 can be stopped. As shown in FIGS. 1 and 2, the take-off guide rod 12 is attached to an end of a receiving rod 28 having a base fixed to the lifting support frame 8 and extended upward.
6 is downwardly tensioned by a spring 37 so as to be freely rotatable up and down, and the front end is pressed against the feed chain 2 from the front side.

Therefore, the take-off guide rod 12 is kept at a fixed position even when the pre-cutting device 6 (sliding frame 17) slides in the left and right direction, and is fed without breaking its position relative to the feed chain 2. It is configured to be able to supply the threshing machine 3 by taking over the grain culm. The grain culm transport device 11 is a front scraping transport device 13 provided at a lower front portion of the pre-cutting device 6.
And an upper conveyor belt 39 so that the harvested culm can be relayed and conveyed to and from the feed chain 2 of the threshing machine 3 mounted at the rear.

As shown in FIGS. 2 and 6, the grain culm conveying device 11 includes a transmission sprocket 41, an intermediate sprocket 42, and a tip sprocket 43 mounted on a member 40 that can rotate together with the lifting support frame 8. , And a pair of tension sprockets 44, 44 'around which the chain 38 is wound. The transport frame 45 is provided with a support rod 4 that can turn around the axis of the transmission sprocket 41.
6, and a telescopic rod 47 is fitted to the front end portion so as to freely slide back and forth.

The tip sprocket 43 is provided with the telescopic rod 47.
The movable rod 48 is mounted on the tip of a moving rod 48 attached in parallel with the frame so that it can move along the transport frame 45. The above-mentioned pair of tension sprockets 4
The reference numerals 4 and 44 'are provided on both sides of an arm 49 provided so as to protrude from the support rod 46, and one side is pulled by a spring 51 of a swing arm 50 described later. Swing arm 50
Has a middle portion pivotally connected to the arm 49 and a base portion connected to the fixed-side member 40 by a connecting rod 52.
Are connected so as to be interlockable.

The stock chain 38 is composed of the transmission sprocket 41 and the intermediate sprocket 4
2, wound around a tip sprocket 43 and a pair of tension sprockets 44, 44 'as shown in FIG. The grain culm transport device 11 configured as described above is supported by the sliding frame 17 by a pantograph-type support frame 53, and has a configuration in which the distal end portion can slide left and right as the sliding frame 17 moves.

Next, the operation will be described. First,
The mowing pre-processing device 6 includes a transmission case 1 via a telescopic shaft 23.
The mowing device 22, the grain stalk raising device 29, and the grain stalk transport device 11 are driven by the rotating power transmitted into the inside 8. When the crawler 14 is driven to advance the chassis 5, the culm in the field is sown by the weeding rod 20 in the front,
The cereal stem raising device 29 reaches the start end and is raised by the lugs 30 to be in an upright state.

After the root of the cereal stalk is cut off by the reaper 22 and squeezed and conveyed by the front rake conveying device 13, the culm is inherited by the starting end of the cereal culm conveying device 11 and is conveyed further rearward and upward. Feed thien 2 of threshing machine 3
Is passed on to the beginning. As described above, the cereal stem is
The root of the stock is taken over by the feed chain 2 and the spike side enters the handling room through the grain stalk supply port 4 and is threshed.

At this time, the take-off guide rod 12 is moved from the terminal end of the stock chain 38 of the grain culm conveying device 11 to the feed chain 2.
The root portion of the conveyed grain culm delivered to the starting end portion is guided from above and guided to the position where the feed chain 2 is clamped. Therefore, the grain stem does not protrude upward, and is continuously and reliably supplied to the threshing machine 3.

Next, the operation of sliding the cutting pre-processing device 6 right and left will be described. First, when the motor 34 is driven by a switch operation, the mowing pre-processing device 6 rotates the screw rod 32 to move the screw holder 33 in the lateral direction.
On the rear side, a sliding ring 27 is supported by a receiving rod 28 and slides. On the front side, an angle member 19 is supported by a guide wheel 16 and a sliding frame 1 is supported.
7 is made to slide. In this manner, when the sliding frame 17 is slid in the lateral direction with respect to the elevating support frame 8, the weeding rod 20, the grain stem raising device 29, the reaper 22,
The pre-cutting device 6 including the grain stalk transport device 11 slides integrally.

In this case, the telescopic shaft 23 is connected to both ends of the universal joint 24, 24 'which is connected to both ends even when the distal end of the transmission case 18 slides sideways with respect to the base in a fixed position.
And the rotational power can be transmitted to the transmission case 18. Then, as shown in FIG. 5, the sliding frame 17 slides until the screw holder 33 comes into contact with one of the limit switches 35 and 35 ', and stops the motor 34 and stops sliding.

During such movement, the grain culm conveying device 11 moves in the same direction with the sliding frame 17 via the support frame 53, but the conveying frame 45 is moved by the transmission sprocket 41.
Of the end sprocket 4
3, the movable rod 48 is pulled backward via the connecting rod 52 and the swing arm 50, and slides while maintaining a position where the movable rod 48 does not protrude forward.

As described above, the chain sprocket 43 moves the leading sprocket 43 to the transport frame 45 as it slides.
When the retractable rod 47 and the movable rod 48 are retracted and become close to the intermediate sprocket 42 in a loose state, a pair of tension sprockets 44, 4
4 'acts and absorbs, and is properly transmitted to perform the transport action.

[0027]

As described above, first, in the first invention, the threshing machine 3 provided with the feed chain 2 along the handle 1 and the grain culm supply port 4 are positioned on the front side. A support portion 7 for supporting the pre-cutting device 6 is provided at a front portion of the undercarriage 5 on which the cutting device 5 is mounted. The raising and lowering support frame 8 is provided with a guide device 9 for supporting and guiding the pre-cutting device 6 so as to be freely slidable left and right, and a left-right driving device 10 for driving the pre-cutting device 6 in the left-right direction. The harvested culm can be inherited and transported between the end portion of the grain culm transport device 11 of the pre-cutting device 6 and the start end of the feed chain 2, and the start end of the feed chain 2 can be transferred from the front side. In providing the takeover guide rod 12 to be provided facing , the grain stalk transportation
A mounting rod 36 extending upward from below the device 11 is provided.
Since the mounting rod 36 is provided on the right and left slide-type reaping and conveying device of the combine, which is provided on a member that does not move in the left and right direction, in order to reduce the embankment on the grain culm stock in wetland work, Alternatively, even if the pre-cutting device is slid in the left-right direction to cut the row of grain stems at the ridge, the takeover guide rod is attached to the fixed non-slidable member on the side of the pre-cutting device 6. Has a feature that it can be secured without losing the relative position with the starting end of the feed chain.

Therefore, the cereal stem has an effect of being smoothly taken over by the take-off guide rod when the cereal culm is passed from the end of the cereal culm conveying device to the beginning of the feed chain. In particular, since the takeover guide rod 12 is provided on a member that does not move in the left-right direction on the side of the pre-cutting treatment device 6, the grain stalk passing through the transfer guide rod 12 is affected by the left-right movement of the pre-cutting device 6. Therefore, it is easy to follow the vertical movement of the pre-cutting device 6. That is, even if the pre-cutting device 6 is in a state of being raised to a certain extent, the grain stalk is smoothly transported by the transfer guide rod 12. Next, with the second invention, as the cereal culm transport device 11 is moved right and left together with the pre-cutting device 6, the start end of the cereal culm transport device 11 and the end portion of the front scraping transport device 13 The left and right sliding type reaping and conveying device according to claim 1, characterized in that the relative position before and after is not changed. It has the characteristic that the inheritance with the starting end of the culm conveying device can be accurately inherited without change even before and after the left and right slide of the pre-cutting device.

[Brief description of the drawings]

FIG. 1 is a plan view showing an essential part of an embodiment of the present invention.

FIG. 2 is a side view showing an essential part of one embodiment of the present invention.

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

FIG. 4 is a plan view showing a part of the embodiment of the present invention in section.

FIG. 5 is a plan view showing a part of an embodiment of the present invention.

FIG. 6 is an operation plan view showing an essential part of an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Handle, 2 ... Feed chain, 3 ... Threshing machine, 4 ... Grain stalk supply port, 5 ... Undercarriage, 6 ... Harvesting pre-processing device, 7 ... Support part,
8 lifting support frame, 9 guide device, 10 left / right drive device,
11 ... grain culm transport device, 12 ... takeover guide rod, 13 ... front scraping transport device.

Claims (2)

(57) [Claims] 1. A harvesting pretreatment device 6 is provided at a front portion of a chassis 5 on which a threshing machine 3 provided with a feed chain 2 along a handling port 1 is mounted with a grain stalk supply port 4 positioned on the front side. A supporting section 7 for supporting the apparatus is provided. The supporting section 7 is provided with an elevating support frame 8 for pivotally supporting the pre-cutting device 6 so as to freely move in the left and right direction. A guide device 9 for supporting and guiding the left and right slides 6 freely and a left and right drive device 10 for driving the pre-cutting device 6 in the left-right direction are provided. In order to be able to carry over the harvested culm between the start end of the feed chain 2 and the transfer guide rod 12 provided facing the front end of the feed chain 2 from the front side, the transfer of the culm is performed.
The mounting rod 36 extends upward from below the feeding device 11.
The mounting rod 36 is provided on a member that does not move in the left-right direction. 2. The front-rear relationship between the start end of the grain culm transport device 11 and the end portion of the front scraping transport device 13 as the grain culm transport device 11 moves left and right together with the pre-cutting device 6. The right and left sliding harvesting and conveying device of a combine according to claim 1, wherein the position does not change.