JPH099774A - Apparatus for bundling in combine harvester - Google Patents

Abstract

PURPOSE: To enable the sure release of waste straws bundled in a constant amount with an apparatus for bundling in a combine harvester to an already reaped field on the right side of a locus in the forward direction of the machine body and prevent the front, rear, left and right widths of a machine body from expanding when housing the apparatus for bundling. CONSTITUTION: This apparatus B for bundling in a combine harvester is arranged under a waste straw discharging port on the rear surface of the combine harvester and obtained by securing an installation seat 1 to a rear cover 38 under the discharging port, pivoting a short link 2 on the already reaped side of the installation seat 1 and a long link 3 on the unreaped side so as to enable the respective rotation in the rear horizontal direction, providing an accumulating member for waste straws at the rear of the short link 2 and long link 3 and forming the accumulating member so as to enable the changeover from a housed position and an operating position protruded to the already reaped side.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a converging device for concentrating a certain amount of combine harvested straw after threshing and then discharging the combine.

[0002]

2. Description of the Related Art Conventionally, a structure in which a cutter or a bundling device is arranged in the rear part of a combine and a focusing device is attached to the rear of the combine, or a structure in which the bundling device is directly mounted in the rear part of the combine is known. This bundling device discharges the straw after threshing to the rear from the tail of the fuselage in fixed amounts, but if it is discharged to the rear as it is, the crawler will catch the culm and disturb the bundle, or it will step on and dirty it. As shown in FIG. 8, the focusing device is rotatably pivoted horizontally on the rear surface of the combine, the mounting seat of the pivot shaft is fixed to the right end of the rear surface, and the focusing device is rotated to move in the traveling direction. It was fixed at a certain angle to the culm and the culms were discharged to the field on the right side in the direction of travel, which had already been cut. When the focusing device is not used, it can be stored on the rear surface of the combine.

[0003]

SUMMARY OF THE INVENTION In the prior art,
In the configuration in which the focusing device is rotated obliquely rearward and discharged to the right side in the traveling direction of the combine, as shown in FIG. 8, the mounting seat of the turning fulcrum of the focusing device is removed from the side of the machine body so that the combiner can be discharged to the cut side. It was placed outside the right side. However, even if the focusing device is returned and stored after the work, the structure is such that it does not completely fit in the width of the machine body, and sometimes things are caught when the combine is transported, which is an obstacle to storage. In addition, since the rotating portion has only one supporting portion, it is difficult to obtain sufficient rigidity. Therefore, there is a demand for a rigid focusing device that does not extend beyond the width of the machine body when the focusing device is housed.

[0004]

The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described. That is, in the bundling device provided on the rear surface of the combine below the straw discharge port, a mounting seat is fixedly mounted on the rear cover below the discharge port, and a short link is provided on the already cut side of the mounting seat and a long link is provided on the uncut side. Each of the links is pivotally supported in the rear horizontal direction, and the straw gathering members are connected to the rear portions of the short links and the long links, and the gathering members are arranged in a storage position parallel to the rear cover and to the already cut side. It is configured so that it can be switched to a projecting work position.

[0005]

With the above-mentioned structure, the present invention provides
By moving the focusing device to the right in rear view of the machine using links with different lengths, the focusing device can be made to project rightward and rearward with respect to the traveling direction, and the culm can be cut in the traveling direction. Can be discharged to the side. Further, when the focusing device is stored using the link, the focusing device can be stored within the lateral width of the machine body by moving the focusing frame to the left. Further, by changing the fixed position of the link, the projecting direction of the receiving plate can be changed, and when it is stored, it can be shortened in the vertical direction.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the configuration of the present invention will be described with reference to the accompanying drawings. 1 is a rear view of a combine adopting the present invention, FIG. 2 is a plan view in which the focusing device of the present invention is attached to a rear part of the combine, FIG. 3 is a perspective view showing a fastening structure of a focusing receiving pipe, and FIG. 4 is a focusing receiving pipe. Is a sectional plan view showing the fastening structure of
FIG. 5 is a perspective view of the locking portion of the return spring, FIG. 6 is a side view in which the focusing device is attached to the rear part of the combine, FIG. 7 is a side view showing a state in which the focusing device is housed, and FIG. 8 is a work of the conventional focusing device. It is a top view showing a state.

As shown in FIG. 1, in the rear part of the combine A, the straw that has been threshed by the threshing device is conveyed backward by the straw chain 35. The straw chain 3
As shown in FIG. 6, below the number 5, straw cutters 36 and 37 having a plurality of rotary blades are arranged in parallel on the rotary shaft. A switching cover is provided above the straw cutters 36, 37. By opening and closing the switching cover, the straw conveyed by the straw chain 35 is guided to or cut by the straw cutters 36, 37. Without exit 40
Further, it is sent to the bundling device or the bundling device B and discharged to the field.

The structure of the focusing device B of the present invention will be described with reference to FIGS. At the right side of the rear cover 38 of the combine body, a mounting seat 1 configured in a U-shape in side view is fixed so that the rear side is open. At the left and right ends of the mounting seat 1,
A short link 2 and a long link 3 having different lengths are rotatably supported horizontally. To the other ends of the short link 2 and the long link 3, a focusing frame 4 which constitutes a stacking member is connected by pivot shafts 5a and 5b having a vertical axis.
The focusing frame 4 is formed in a U shape in a side view,
By pivotally supporting the rear ends of the links 2 and 3, the focusing frame 4 is moved left and right to form a link mechanism that switches one side to the storage position and the other side to the working position.

Stays 7 and 8 are fixed to both ends of the focusing frame 4. As shown in FIGS. 5 and 6, the stay 7 on the right side extends vertically from the focusing frame 4 and
The cover 24 is fixed on the upper part, and the bolts and nuts 10 are on the lower part.
The stay 9 is screwed together by using. As shown in FIGS. 3 and 4, a central portion of a support shaft 11 having a shaft center in the left-right direction is pivotally supported at the lower end of the stay 9, and is sandwiched by a collar 12 and a washer 13. The left end of the support shaft 11 is rotatably inserted into the right end of a focusing receiving pipe 14 to be described later.
The right end of 1 is rotatably inserted into the focusing receiving pipe 15,
A locking body 16 is fixed to the center of the support shaft 11.

As shown in FIG. 3, the locking body 16 is formed in a substantially triangular shape in a side view, the spring locking portion 16a is extended rearward, and the base of the spring locking portion 16a has a quadrangular shape. A fitting hole 16b is opened, a fitting groove 16c is cut out at a concentric position on the upper outer periphery, and a contact portion 16d is formed in the upper front part. The spring locking portion 16a is bent and the locking hole 1 is formed in the central portion.
6e is opened, and a return spring 26 described later is locked.
Further, a stopper 23 is projected from the left side surface of the stay 9, and the abutment portion 16d comes into contact with the stopper 23 to restrict upward rotation of the locking body 16.

At the right end of the focusing receiving pipe 14, there is fixedly mounted a fastening body 17 having a substantially V-shape in side view.
One end of 7 projects forward to form a connecting plate 17a, and the other end projects rearward to form a fitting plate 17b. On the other hand, the left end of the focusing receiving pipe 15 is provided with a connecting plate 15a projecting forward. The connecting rod 1 is provided between the end 15a and the tip of the connecting plate 17a.
It is connected and fixed by 8. Then, the fitting plate 17
The tip of b is bent to the right and has a wedge portion 17 having a taper.
c is formed, and the wedge portion 17c is fitted into the fitting hole 1 of the locking body 16.
6b or the fitting groove 16c. Further, the left end of the focusing receiving pipe 14 is pivotally supported on the lower portion of the stay 8 so as to be slidable left and right, and the right end of the focusing receiving pipe 14 is loosely fitted to the left side of the support shaft 11, and the focusing receiving pipe 15
The left end of is loosely fitted to the right side of the support shaft 11.

.. are fixed to the focusing receiving pipe 14 and the focusing receiving pipe 15 at regular intervals, and the receiving plate 20 receives the straw at each of the fixed members 19. Is fixed. Left and right receiving plates 20 ', 20'
Is a shape that is curved outward and forms a large area for receiving falling straw. The fixed body 19
A push spring 21 is provided on the outer circumference of the focusing receiving pipe 14 between the left side fixing plate 19 and the stay 8.
Is fitted on the outside, and the focusing receiving pipe 14 is biased rightward.

Therefore, the focusing receiving pipe 14 is slid to the left side against the pressing spring 21, and the wedge portion 17c is fitted into the fitting hole 16.
b, the focusing receiving pipe 14 and the focusing receiving pipe 15 that are integrally connected by a connecting rod 18
Is rotated about the support shaft 11 to insert the wedge portion 17c into the fitting hole 1
6b, by inserting it according to the urging force of the push spring 21, the receiving plate 20 can be fixed in a working state in which it is overhanging in the rearward horizontal direction, and when the wedge portion 17c is inserted in alignment with the fitting groove 16c, the receiving plate 20 is moved upward. It can be turned to the stored state.

As shown in FIG. 5, the upper portion of the stay 7 described above is fixed to the center of the inner surface 24a of the cover 24 in the left-right direction, and the stay 7 divides the inside of the cover 24 into the left and right sides. A base portion 25a of a metering lever 25 is pivotally supported on the right side portion, and the metering lever 25 is provided with a hole portion 7 opened in the stay 7.
It projects rightward from a, and a lever guide hole is opened in the vertical direction on the right side surface of the cover 24, and a position changing groove 24b is formed in the side portion of this lever guide hole so that the adjusting lever 25 can be set at an arbitrary position. It can be engaged. The metering lever 2
An upper portion of the return spring 26 is locked in the middle of the return spring 26, and the other end of the return spring 26 is locked in a locking hole 16e opened in the spring locking portion 16a. The body 16 is urged to rotate upward, and the contact portion 16d is in contact with the stopper 23.

As shown in FIGS. 6 and 7, a guide rod mounting seat 30 is provided on the upper surface of the upper cover 39 which covers the upper part of the straw discharging chain 35.
A fixing screw 31 ・ 31 is screwed on the fixing screw 31 ・ 3.
1 rotatably supports the base portions of the guide rods 32, 32. The guide rod 32 has an L-shape, projects downward from the rear, and has a lower end extending to a rear position of the receiving plate 20. .
Then, at the time of work, the fixing screws 31, 31 are loosened and the guide rods 32, 32 are projected rearward so that the lower end is located between the receiving plates 20 and 20 to prevent the straw from falling.
Tighten the fixing screws 31, 31 to fix. During non-working, the guide rods 32, 32 are rotated along the rear surface of the combine to be fixed in the housed state. A sink plate 28 is rotatably supported below the discharge port 40 on the rear surface of the combine, and a guide plate 29 is provided on the left rear surface of the focusing frame 4.
Is fixed, and the rear portion of the sink plate 28 is placed on the upper surface of the guide plate 29.

Short link 2 for rotating the focusing frame 4
The structure of rotating the long link 3 between the working position and the storage position will be described. The pivotal support of the short link 2 is provided on the center side of the right end of the mounting seat 1, and the long link 3 is provided on the left side of the mounting seat 1.
Has a pivotal branch. Further, as shown in FIG. 2, a fixing portion 4b is formed on the right side of the upper surface of the focusing frame 4, and an arc-shaped elongated hole 4c centering on the fixing bolt 5a is opened in the fixing portion 4b. ing. On the other hand, on the upper surface of the short link 2, a bolt 27 with a handle is screwed through the long hole 4c, and the bolt 27 with a handle is tightened to fix the link mechanism. With such a configuration, the pivotal support portion of the short link 2 on the fuselage side can be provided without protruding beyond the width of the fuselage. Then, the greater the difference between the short link 2 and the long link 3, the greater the angle at which the focusing device B can be directed to the non-crop side. Also,
The shorter the short link 2, the longer it will be discharged from the combine,
When stored, it can be stored closer to the center of the aircraft.

With this configuration, when the bolt 27 with the handle is loosened and the focusing frame 4 is moved to the right, the focusing frame 4 is focused by the short link 2 and the long link 3 in the traveling direction of the machine body. B can be arranged diagonally to the right. At that time, the bolt 27 with the handle slides to the left side position of the elongated hole 4c, and the focusing device B can be fixed as the working position by tightening the bolt 27 with the handle at that position. Further, the focus receiving pipe 14 is rotated to move the wedge portion 17 of the fastening body 17.
When c is fitted in the fitting hole 16b of the locking body 16, the receiving plates 20, 20, ... Can be projected rearward as shown in FIG.

The straw that has been conveyed rearward by the straw chain 35 exits from the discharge port 40, and the sink plate 2 is discharged.
8 and the guide plate 29 to guide the receiving plate 20.2.
0 ... When the weight of the accumulated straw is larger than the holding force of the receiving plates 20, 20 ... accumulated by the return spring 26 set by the adjusting lever 25, the receiving plate 20.
20 ... is rotated downward, the straws are bundled and discharged to the right of the progress trace of the machine body, and after the straws are discharged, the receiving plate 20, 20 ... .. returns to its original position, and the contact portion 16d comes into contact with the stopper 23 and stops.

At the end of the work, the bolt 27 with the handle is loosened and the focusing frame 4 is moved to the left side so as to be in the storage position parallel to the rear cover 38. After that, when the focusing receiving pipe 14 and the focusing receiving pipe 15 are moved to the left side against the urging force of the pushing spring 21, the wedge portion 17c is disengaged from the fitting hole 16b, so that the fastening body 17 is rotatable. When it is rotated upward, as shown in FIG.
The receiving plates 20, 20 ... Can be arranged upward,
At that position, the wedge portion 17c can be inserted into the fitting groove 16c by moving to the right side according to the urging force of the push spring 21, so that the rotation of the focusing receiving pipes 14 and 15 is fixed and the receiving plate 20. 20 ... can be stored in the upward direction. At this time, since the guide plate 29 placed on the sink plate 28 moves forward, the sink plate 28
Rotates downward.

[0020]

The present invention, having the above-mentioned configuration, has the following effects. That is, since it is supported by two links with different lengths, the conveying angle of straw can be set large, the focusing device can be positioned further to the side of the right side surface of the main body, and it is larger to the side than the traveling trajectory of the aircraft. It becomes possible to discharge the straw to the distant field, and the crawler does not step on the discharged straw and stain it or break the bundle. Also, the mounting position of the focusing device is not limited to the end (right end) on the already mowed side, and the range of the mounting position is widened and the degree of freedom is increased. Then, by selecting the length of the link, the discharge position can be set to the proper position. Further, when the focusing device is stored, it can be stored without protruding laterally beyond the lateral width of the machine body, and an obstacle or the like is not caught at the protruding portion. In addition, conventionally, it was supported at one point on the already reaped side,
Since the focusing device has the two-point support structure by the link mechanism, it can be firmly supported.

[Brief description of drawings]

FIG. 1 is a rear view of a combine adopting the present invention.

FIG. 2 is a plan view in which the focusing device of the present invention is attached to the rear part of the combine.

FIG. 3 is a perspective view showing a fastening structure of a focusing receiving pipe.

FIG. 4 is a plan cross-sectional view showing a fastening structure of a focusing receiving pipe.

FIG. 5 is a perspective view of a locking portion of a return spring.

FIG. 6 is a side view in which the focusing device is attached to the rear part of the combine.

FIG. 7 is a side view showing a state in which the focusing device is housed.

FIG. 8 is a plan view showing a working state of a conventional focusing device.

[Explanation of symbols]

 A combine B focusing device 1 mounting seat 2 short link 3 long link 4 focusing frame 20 receiving plate 38 rear cover 40 outlet

Claims (1)

[Claims] 1. A focusing device provided below a straw outlet on the rear surface of a combine, wherein a mounting seat is fixedly mounted on a rear cover below the outlet, and a short link is provided on the already trimmed side of the mounting seat and an uncut The long links are rotatably pivoted in the rear horizontal direction, and the short link and the rear part of the long link are connected to a stacking member of straw, and the stacking member is in a storage position parallel to the rear cover.
A combine focusing device, characterized in that it can be switched to a work position protruding toward the already reaped side.