JPH0823751A - Guide device for grain culm of combine harvester - Google Patents

Abstract

PURPOSE:To equalize the relative position of a guide device for unreaped grain culms relatively to a reaping part even when the reaping part is moved in the right and left directions in setting the guide device for the unreaped grain culms in a combine harvester equipped with the reaping part capable of performing the reciprocating movement in the right, left and vertical directions. CONSTITUTION:This guide device for grain culms of a combine harvester is constituted by pivoting a front end of a guide device 9 for unreaped grain culms capable of guiding the unreaped culms in the lateral part of a reaping and moving part A, supporting the rear end thereof on the rear end of the machine body or the rear of a thresher 3 so as to enable the sliding, connecting the middle part of the guide device 9 for the unreaped grain culms with an elastic body 9a and installing an arm having a locking device for supporting the guide device 9 for the unreaped grain culms in a state thereof housed in the inside, a state of the guide device overhanging to the outside and any middle state of both the states in the reaping moving part A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine culm guide device.

[0002]

2. Description of the Related Art A conventional uncut grain culm guide device for guiding uncut grain culms to the lateral side of a combine is disclosed in Japanese Utility Model Publication No. Hei 1-99112. A lock device for overhanging the weeding rod over the uncut side of the traveling machine body to the uncut side of the traveling mechanism or for storing it in the traveling machine side when supporting the weeding rod over the uncut side lateral surface of the traveling mechanism. Is attached to the traveling machine body.

[0003]

In the combine harvester uncut grain guidance device described above, when the cutting pretreatment mechanism is laterally moved in the left-right direction, as shown in FIG. Since the relative position of the weeding rod relative to the mechanism changed, the guidance of the uncut culm from the lateral side to the lateral side of the pre-cutting mechanism became insufficient, and the planted culm contacted the pre-cutting mechanism. There were drawbacks such as falling over and dropping the grain from the planted culm. The present invention is intended to solve such a problem.

[0004]

Means for Solving the Problems The combine grain culm guide device according to the present invention solves the above problems and has the following configuration. That is, in the combined grain culm guide device having the above-described configuration, the front end portion of the uncut grain culm guide device 9 for guiding the uncut culm is provided with the cutting moving section A.
While being pivotally supported on the side part of, the rear end is slidably supported by the rear part of the machine body and the rear part of the threshing device 3, and the middle part of the uncut grain culm guide device 9 is connected by an elastic body 9a, An arm 10 having a lock device 11 for supporting the uncut grain culm culvert guide device 9 inside, bulged outward, and any intermediate state between these states is attached to the reaping moving section A. It was used as a combine grain culm guide device.

[0005]

When the combine is run, the grain culms sown by the weeding tool 4 and caused by the raising device 5 are
It is cut by the cutting blade device 7 and is conveyed from the starting end portion to the terminating end portion of the stock source conveying device 6 of the cutting movement section A. Stock carrier device 6
The grain culm transported to the end portion of is passed to the vertical transport device 8 and transported to the rear threshing device 3.

In cutting work in a wetland, the cutting moving part A is laterally adjusted with respect to the machine body to prevent muddy soil from rising to the uncut grain side and to leave uncut grain at the edge. It is used to eliminate. When the reaper moving unit A moves in the left-right direction, the vertical transport device 8 also moves left and right following the movement of the reaper moving unit A, and the cut grain culms are transferred from the stock carrier transport device 6 to the vertical transport device 8 and then vertically. It is smoothly transported from the transport device 8 to the threshing device 3.

In the combine having the above-mentioned structure, the front end portion of the uncut grain culm guide device 9 for guiding the uncut culms is provided with the cutting moving section A.
While being pivotally supported on the side part of, the rear end is slidably supported by the rear part of the machine body and the rear part of the threshing device 3, and the middle part of the uncut grain culm guide device 9 is connected by an elastic body 9a, An arm 10 with a lock device 11 for supporting the uncut grain culm stalk guide device 9 inside, in a state of overhanging to the outside, and in an intermediate position between these two states was attached to the cutting moving part A. Thereby, even if the reaping moving unit A moves to the left and right and stops at any position, the uncut grain culm guide device 9 is further extended laterally from the outer surface of the reaping moving unit A, The planted culm is guided further outward from the outer surface of the reaping moving section A, without being caught by the reaping moving section A or the like.
The vegetation is smoothly guided.

[0008]

1 and 2 show a combine in which an uncut grain culm guide device 9 of the present invention is embodied. In front of the combine body, a cutting moving part A capable of moving the planted culm in the left-right direction and in the vertical direction, and a rear threshing device 3
There is provided a mowing unit B including a vertical conveyor 8 for conveying the grain culms cut toward

When the combine is run, the grain culms that have been weeded by the weeding tool 4 and caused by the raising device 5 are mowed by the cutting blade device 7, and the starting end portion of the stock-source transporting device 6 of the mowing moving unit A is cut. From the end to the end. The grain culm transported to the terminal end of the stock source transporting device 6 is taken over by the vertical transporting device 8 and transported toward the rear threshing device 3 and subjected to threshing selection.

Next, the horizontal movement of the reaping moving unit A shown in FIGS. 3 and 4 will be described. The lower rear part of the vertical transport device 8 is
It is supported rotatably up and down by a support portion 12 provided at the front part of the traveling machine body 2, and the vertical conveyance device 8 is supported movably up and down by an elevating and lowering support frame 13 that moves in the vertical direction of the machine body. In addition, the raising and lowering support frame 13 is provided with a reaping moving section A movably in the left-right direction of the machine body. Mowing moving part A
Is the guide shaft 15 provided at the rear part of the lift support frame 13.
And supported by the locking body 18 provided in the reaper moving section A,
Further, the front part thereof is supported by a support body 17 provided on the front part of the elevating and lowering support frame 13 and a guide rail 16 provided on the reaper moving part A, and is movable in the left-right direction. The boss 19 provided on the elevation support frame 13 and the drive shaft 20 on the side of the reaper moving section A are screw-fitted, and the left and right moving means 14 (in this embodiment, an electric motor, but other methods may be used). When the drive shaft 20 is rotated in the normal and reverse directions, the reaper moving unit A moves in the left-right direction. Raising device 5, harvesting source transport device 6, cutting blade device 7 of reaping moving section A
The transmission system for driving is driven by being input through a universal joint 21 which is expandable and contractible.

In the combine having such a structure, the front end portion of the uncut grain culm guide device 9 is rotatably supported on the side portion of the cutting moving portion A, and the rear end portion of the rear portion of the machine body or the threshing device 3. The rear part is slidably supported, and the uncut grain culm guide device 9 is further provided.
The middle part is connected by an elastic body 9a. The state in which the uncut grain culm culvert guide device 9 is housed inside or bulged outward, and the arm 10 having the lock device 11 for locking at an arbitrary intermediate position between the reaping moving part A side. Attached to. The lock device 11 is attached to the rear side of the support rod 4a on which the weeding tool 4 is attached to the front side.

5 and 6, the support rod 4a and the locking device 11 are shown.
And the arm 10 is shown. A support body 4b is provided on the support rod 4a, and the lock device 11 is pivotally supported by a pin 11d supported by the support body 4b. The pin 1
1d is provided with a pipe 11a, and an arm 10 for accommodating the uncut grain culm guide device 9 inside or protruding to the outside is slidably supported by the pipe 11a. Lock plates 11c are provided at both ends via tension springs 11b.

As shown in FIG. 7, lock plates 11c provided at both ends of the pipe 11a are attached to tension springs 11b.
Is always pulled toward the pipe 11a, the hole of the lock plate 11c and the arm 10 rub against each other, and the arm 1
0 is locked. Therefore, the uncut grain culm guide device 9 does not move. When moving the arm 10, lock plates 11c provided at both ends of the pipe 11a as shown in FIG.
Are parallel to each other along the end surface of the lock plate 11c, so that the hole of the lock plate 11c and the arm 10 are
Since the friction is released, the arm 10 can move in the pipe 11a, and the uncut grain culm guide device 9 moves. Since the lock plate 11c is released by a human hand, the length of the pipe 11a in the longitudinal direction is such a length that a person can easily release it. Since it is such a lock device 11,
The arm 10 can be locked to the pipe 11a at any position,
The uncut grain culm guide device 9 can also be locked at any position.

FIG. 9 shows the positional relationship between the reaping moving section A and the uncut grain culm guide device 9 when the reaping moving section A moves in the left-right direction. The state of (a) of FIG.
Shows the state where it has moved to the right end with respect to the airframe, and (b) shows the state where it has moved to the left end. As described above, since the lock device 11 is provided in the reaper moving unit A, the reaper moving unit A
No matter what position the aircraft is in the left-right direction,
The lock device 11 moves in the left-right direction together with the cutting moving part A, and therefore, the uncut grain culm guide device 9 for the cutting moving part A.
Does not change, and the planted culm is guided further outward from the outer surface of the cutting moving part A, and is not caught by the cutting moving part A or the machine body.

Further, since the rear portion of the uncut grain culm guide device 9 is slidably received by the slide receiver 22, the reaper moving unit A moves in the left and right direction or in the up and down direction, and from the inside storage position to the outside. It is possible to absorb the amount of change in the length when the uncut grain culm guide device 9 is taken in and out in the section of the overhang position. Further, an elastic body 9 is provided in the middle part of the uncut grain culm guide device 9.
Since "a" is provided, it is possible to absorb the amount of change in the front part and the rear part of the uncut grain culm guide device 9 and also to absorb the impact when the obstacle comes into contact with it, thereby protecting the machine body. Conventionally,
A spring or a mechanical link mechanism was used instead of the elastic body 9a, but there was a problem that the uncut crop culm was caught due to the convex portion. However, since the elastic body 9a is formed by the curved surface portion, the planted culm is not caught.

FIG. 10 shows another embodiment of the rear portion of the uncut grain culm guide device 9. Instead of the slide receiver 22, a bar 9b is pivotally supported by a rotation fulcrum 9c, and the bar 9b is pivotally supported.
Supported in the uncut grain culm guide device 9 slidably in the longitudinal direction. As a result, it is possible to absorb the amount of change in the length of the uncut grain culm guide device 9 when the cutting moving unit A is moved in the left-right direction and the vertical direction, and between the storage position to the inside and the protruding position to the outside. The amount of change in length when moved can also be absorbed.
Further, since the bar 9b extends rearward from the rotation fulcrum 9c and is formed in a curved surface shape between the uncut grain culm guide device 9 and a sliding portion in the longitudinal direction, if the planting Even if the standing grain culm enters the space between the uncut grain culm guide device 9 and the machine body,
When the machine body moves, it passes smoothly without being caught in the rotation fulcrum 9c and the like.

FIG. 11 shows an uncut grain culm guide device 9 and an arm 1.
In the shape of the plate 10a connecting 0, the front side in the machine body traveling direction has a curved surface shape. This allows
Even if the planted grain culm enters the space between the uncut grain culm guide device 9 and the reaping section B, the planted grain culm will pass smoothly with respect to the movement of the machine body. In FIG. 12, the front part, the rear part, and the arm 10 of the uncut grain culm guide device 9 are connected and configured by the elastic connection body 9d. Conventionally, in the case of laying down and cutting, a large load acts on the reaping moving section A, and the uncut grain culm guide device 9 may be deformed due to the load also acting. By doing so, resistance can be absorbed by the elastic connecting body 9d, and particularly resistance in the direction of the arm 10 can be absorbed, so damage to the lock device 11, the uncut grain culm guide device 9, etc. can be prevented. Further, even if an obstacle comes into contact with the uncut grain culm guide device 9 from any direction, the elastic connection body 9d can absorb the impact, and the uncut grain culm guide device 9 and the machine body are protected from the impact. Can be protected.

According to the above-mentioned structure, the relative position of the uncut grain culm guide device 9 does not change with respect to the outer surface of the cutting moving part A, so that the planted grain culm is not caught in the cutting moving part A or the like. You will be guided smoothly as the aircraft moves.

[0019]

EFFECTS OF THE INVENTION Since the present invention is configured as described above, the uncut grain culm guide device 9 extends from the outwardly projecting position to the inwardly accommodating position even when the cutting moving part A moves in the left-right direction.
It can be freely moved and fixed, and the mowing moving part A
The uncut grain culm guide device 9 can be projected and adjusted on the basis of the outer side surface of the, and the planted grain culm is guided further outward from the outer side surface of the reaping moving section A and caught on the reaping moving section A or the like. Instead, the guidance will be smooth.

[Brief description of drawings]

FIG. 1 Side view of combine

FIG. 2 is a plan view of the combine.

[Fig. 3] Side view near the reaper

FIG. 4 is a plan view of the reaper moving unit.

FIG. 5 is a plan view of an uncut grain culm guide device.

FIG. 6 Side view

FIG. 7 is a diagram showing the operating state of the lock device.

FIG. 8 is a release state diagram of the lock device.

[Fig. 9] Fig. 9 is an operation diagram of the cutting moving part and the uncut grain culm guide device.

FIG. 10 is a plan view.

FIG. 11 is a plan view.

FIG. 12 is a plan view.

[Explanation of symbols]

A Mowing moving part B Mowing part 1 Traveling device 2 Traveling machine 3 Threshing device 4 Weeding tool 4a Support rod 4b Supporting body 5 Raising device 6 Stock-source transporting device 7 Cutting blade device 8 Vertical transporting device 9 Uncut grain culm guiding device 9a Elastic body 9b Bar 9c Rotation fulcrum 9d Elastic connection body 10 Arm 10a Plate 11 Lock device 11a Pipe 11b Tension spring 11c Lock plate 11d Pin 12 Support part 13 Lifting support frame 14 Left and right moving means 15 Guide shaft 16 Guide rail 17 Support body 18 Locking body 19 Boss 20 Drive shaft 21 Universal joint 22 Slide receiver

Claims (1)

[Claims] 1. A threshing device 3 is provided above a traveling machine body 2 having a traveling device 1, and a weeding tool 4, a raising device 5, a cutting blade device 7 and a stock source transport are provided in front of the threshing device 3. The harvesting moving part A which is composed of the device 6 and can reciprocate in the left-right direction and can move up and down, and the grain culm transported to the terminal end of the stock-source transporting device 6 of the harvesting moving part A are taken over, An uncut grain culm guide device 9 for guiding the uncut culms, which is a combine of a vertically transporting device 8 that can be moved up and down and that is conveyed toward the threshing device 3.
While pivoting the front end portion of the above to the side portion of the cutting moving portion A,
The rear end is slidably supported by the rear part of the machine body and the rear part of the threshing device 3, and the middle part of the uncut grain culm guide device 9 is made of an elastic body
An arm 1 having a lock device 11 which is connected by a and supports the uncut grain culm guide device 9 inside, in a state where it is projected outside, and in any intermediate state between these two states.
0 is attached to the reaper moving unit A, and is a combine grain culm guide device.