JP2003009635A - Combine harvester - Google Patents

Abstract

PROBLEM TO BE SOLVED: To embody an operation guide panel which can enlarge the operation range of a main speed change lever to highly improve its operability, because the main speed change lever among various operation levers is especially highly frequently operated, while the guide panel portions of the other operation levers are approximately disposed on the same place. SOLUTION: This combine harvester is formed with the higher face of the operation guide panel 17 of the main speed change lever 14 in a higher swollen form than the operation guide panel 18 of the other operation levers.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a combine for cutting grain culms and threshing, and particularly to various operating levers.
The structure of the operation panel that guides

[0002]

2. Description of the Related Art Conventionally, the guide panel portions of various operation levers are generally formed on substantially the same plane.

[0003]

SUMMARY OF THE INVENTION The present invention has the largest operating range, because the operating frequency of the main shift lever is the highest among the various operating levers. It is to realize an operation guide panel that is extremely easy to operate. To achieve this object, the present invention takes the following technical means.

[0004]

That is, the first concrete means for solving the problems in the present invention is the main shift lever.
The surface of the operation guide panel 17 of No. 14 is formed so as to bulge higher than the operation guide panel 18 of the other operation lever.

The operation of the first concrete means is that the operation guide panel 17 surface of the main shift lever 14 is moved to another operation lever.
The operation guide panel 18 is formed so as to bulge higher than the above. A second concrete means for solving the problems in the present invention is the same as the first concrete means, except that the operation guide panels 17 and 18 for the main shift lever and other operation levers are provided.
Is connected to the side operation box 12 installed on the lateral side of the driver's seat 11, and the operation guide panels 17, 18 are provided with a main shift lever 14 on the driver's seat 11 side and a throttle lever around the outside thereof. It is characterized in that various operation levers such as 19, a sub-shift lever 20 and a mowing and threshing clutch lever 21 are arranged.

The operation of the second concrete means is that the operation guide panels 17, 18 of the main shift lever and other operation levers are used.
Is connected to the side operation box 12 installed on the lateral side of the driver's seat 11, and the operation guide panels 17, 18 are provided with a main shift lever 14 on the driver's seat 11 side and a throttle lever around the outside thereof. Various operation levers such as 19, the auxiliary shift lever 20 and the mowing / threshing clutch lever-21 are arranged.

A third concrete means for solving the problems in the present invention is the same as the first concrete means, wherein a switch panel 22 is arranged in the vicinity of the operation guide panel 17 of the main shift lever 14 and both of them are arranged. It is characterized by being integrally molded. The operation of the third concrete means is the main shift lever.
Switch panel 2 near the operation guide panel 17
2 is arranged so that both are integrally molded.

A fourth concrete means for solving the problems in the present invention is the third concrete means, wherein the switch panel 22 is arranged at a rear portion of the operation guide panel 17 of the main shift lever 14. It is characterized by being done. The operation of the fourth concrete means is the switch panel 22.
Is arranged at the rear of the operation guide panel 17 of the main shift lever 14.

A fifth concrete means for solving the problems in the present invention is the third concrete means or the fourth concrete means, wherein the switch panel 22 is a main shift lever.
It is characterized in that it is configured to be lower than the upper surface of the operation guide panel 14 of 14. The action of the fifth concrete means is as follows.
The switch panel 22 is configured to be lower than the upper surface of the operation guide panel 17 of the main shift lever 14.

[0010]

According to the first concrete means of the present invention, since the operation guide portion of the main shift lever is formed so as to be bulged upward, the operation range of the main shift lever (stroke guide). The groove can be made longer, which makes it easier to adjust the vehicle speed and improves operability. Further, since the operation guide portion is located at a high position, the operator can easily recognize the vehicle speed mark and the workability can be improved.

According to the second concrete means of the present invention, the effect of the first concrete means can be obtained. In addition to this, in addition to this, the operation guide panel portion of the main shift lever and other respective operation levers. The operation guide panel portion can be easily integrated with the operation guide panel portion, and the operation guide panel is coupled and arranged on the side operation box, whereby the strength and rigidity of the both can be firmly maintained. In addition, the space in the side operation box can be effectively used to effectively arrange the levers.

According to the third concrete means of the present invention, in addition to the effect of the first concrete means, the operation guide panel and the switch panel of the main shift lever are integrally formed, and therefore, they are separately formed. It can be implemented at a lower cost than the constituent ones. Moreover, since the main shift lever and the switch panel are arranged close to each other, the operability of the switch is improved.

According to the fourth concrete means of the present invention, in addition to the effect of the third concrete means, by disposing the switch panel behind the main shift lever guide, another operation lever can be provided. The space of the guide panel portion can be effectively used. According to the fifth specific means of the present invention, in addition to the effects of the third or fourth specific means, visibility is improved when the switch panel surface is below the operation guide panel surface of the main shift lever. There is an effect that the operation is improved and the operation is facilitated.

[0014]

BEST MODE FOR CARRYING OUT THE INVENTION First, a configuration example of a combine will be described as one embodiment. The traveling vehicle body 1 has traveling crawlers 2 and 2 on the ground contact side, and a threshing device 3 is mounted on the upper portion. In front of the traveling vehicle body 1, a harvesting unit 4 for raising and harvesting grain culms and feeding and transporting them to the threshing device 3 is vertically movable. The reaping unit 4 is supported by a reaping support frame 6 which rotates vertically with a reaping input shaft 5 laid laterally with respect to the vehicle body 1 as a fulcrum, and is lifted and lowered by a reaper lift cylinder 7 which expands and contracts by hydraulic pressure. I am trying. The reaper raising / lowering lever (power steering) 8 is configured to control the raising and lowering of the reaper 4 by a forward and backward swinging operation.

The operation section 9 includes a front operation box 10 standing upright from the front end of the step floor, a driver's seat 11 mounted on a support member standing upright from the rear end of the step floor, and the driver's seat 11 It consists of a side operation box 12 installed on the left lateral side. Side operation box 12
Is box-shaped and is long in the front-rear direction, and its front end is connected and held to the left end of the front operation box 10.

An engine 13 is mounted below the driver's seat 11, and the traveling crawlers 2 and 2 are driven from the engine 13 through an HST (hydraulic continuously variable transmission) and a mission device in a traveling mission case. It is driven.
The main shift lever (HST lever) 14 is configured to drive the HST by swinging operation in the front-rear direction and control forward and backward movement of the machine body. A grain tank 15 is mounted on the side of the thresher 3 behind the operation unit 9. Reference numeral 16 is a discharge auger.

On the side operation box 12, an operation guide panel 17 for the main shift lever 14 and an operation guide panel 18 for other various operation levers described later are integrally formed and provided. The operation guide panel 17 of the shift lever 14 is formed so as to bulge higher than the upper surface of the operation guide panel 18 of other various operation levers.

Therefore, the guide groove 14a of the main shift lever 14 provided on the operation guide panel 17 is formed to be long in the front-rear direction, and the operation label can be largely drawn along the guide groove. Further, on the other operation guide panel 18 side, various operation levers, that is, a throttle lever 19, a sub-shift lever 20, a mowing and threshing clutch lever 21 and the like are arranged, and each lever guide groove. 1
9a, 20a, 21a are provided.

The main shift lever 14 is arranged on the driver's seat 9 side, and the other various operation levers are the various levers 19 and 2.
0 and 21 are arranged around the outside of the main shift lever 14.
The operation guide panels 17 and 18 of these levers are integrally connected and held on the side operation box 12.

A switch panel 22 is arranged close to the rear portion of the operation guide panel 17, and both panels 17, 22 are provided.
Both have a structure integrally molded. The switch panel 22 is configured to be higher than the operation guide panel 18 and lower than the operation guide panel 17 on the main shift lever 14 side. Switch panel 2
A handle depth adjustment manual switch 24, a handle depth control automatic switch 25, a direction control automatic switch 26, and the like are provided in the inside 2, and an opening / closing panel 23 that is detachable by a screw 27 is provided on the upper surface of the switch panel 22. ing.

The operation guide panel 17 is provided with a seal member 28 in the guide groove 14a of the main shift lever 14 so as to block the hot air blown from below. The seal member 28 is fixed by a receiving plate 30 from below with a stopper plate 29.

As described above, when the rotating parts are transmitted, the combine performs the cutting and threshing operation of the grain culms in the field while the main body gear lever 14 is operated and the traveling crawler 2 is driven to advance the machine body. . Then, the grain culms are raised by the reaping unit 4, the stock source is reaped, and the grain culms are successively conveyed upward and supplied to the threshing device 3. Then, the grain culms are subjected to the threshing action by the threshing device 3 and the sorted grains are stored in the grain tank 15.

Next, another embodiment of the operation panel will be described. In FIGS. 6 and 7, 31 is an operation panel, 32 is a cutting clutch lever guide groove, 33 is a sub-shift lever guide groove, 34 is a slit (cut) 34a at the center, and mounting holes 34b are at both ends. The rubber seal plate 35 has a guide groove 35a, a bending rib 35b, and a holding plate having a mounting hole 35c.

As shown in FIG. 8, a seal plate 34 is brought into contact with the inner side surface of the operation panel 31 corresponding to the guide grooves 32 (33), and is pressed by a holding plate 35 from below to tighten the plate. The fixing fixture 36 is used for tightening and fixing. Conventionally, as shown in FIG. 9, since a bending rib 31a for lever guide is provided on the operation panel 31 portion, a deep groove is formed between the operation panel upper surface and the seal surface. It became a pile of straw debris. According to the embodiment of the present invention, since there is almost no step (about the plate thickness) between the operation panel surface and the seal surface, it is possible to prevent the accumulation of straw waste as in the conventional case. Rather, since the bending ribs 35b are provided on the side of the holding plate 35, the bending of the holding plate itself is eliminated, and the seal plate can be held securely.

Further, as shown in FIG. 10, the height H ₁ of the step between the pressing surface of the pressing plate 35 and the mounting surfaces at both ends is determined by the step height between the inner surface of the operation panel 31 and the attachment piece 31a welded to the operation panel. By setting the height higher than the height H ₂ (H ₁ > H ₂ ), the seal plate can be reliably pressed against the operation panel surface.

When the guide groove 32 provided on the operation panel 31 is configured to be relatively long, the seal plate is strongly pressed by the pressing plate, but due to the bending of the operation panel side, the seal intermediate portion is formed. There was a problem that the slit part of the hit was misaligned and opened in the left-right direction. In order to prevent the seal plate from opening, an opening preventing plate 37 for restricting the widthwise opening of the seal plate middle portion
To provide. The opening prevention plate 37 is fixedly provided on the operation panel 31 side as shown in FIGS.
3, as shown in FIG. 14, the opening prevention plate 3 is provided on the pressing plate 35 side.
7 may be integrally configured and provided. Therefore, the opening prevention plate 37 can reliably prevent the seal plate 34 from opening in the width direction.

15 to 17, the operation panel 31 is shown.
In the operation frame 38 for mounting and supporting the
The operation frame 38a on the front side is lowered downward, and the operation frame 38b on the rear side is raised higher than that on the front side and arranged in a stepped shape. The operation panel 31 is mounted and supported on the operation frame 38 via front and rear support stations 39 and 40.

By lowering the operation frame 38a on the front side, a space with the operation panel 31 can be secured, and the main shift lever 14, the throttle lever 19 and the auxiliary shift gear can be secured without removing the operation panel. It is possible to easily perform maintenance of the operation mechanism by the lever 20, the mowing and threshing clutch lever 21 and the like.

The operation frame 38b on the rear side is positioned high above in order to secure the exhaust passage (exhaust air space K) of the engine E, thereby improving the exhaust blow-by. Further, in the mounting structure of the operation frame 38, the front end side of the operation frame 38 is mounted and supported on the support frame of the driver's seat 11 via the support member 41, and the operation frame 3 is provided.
The middle part of 8 is a mission case via a support frame 42.
The operation frame is connected and supported, and the rear end side of the operation frame is connected and supported by a traveling frame 45 via a rear frame 44 fixed to a mounting piece 43 integral with the operation frame. In short, the front and rear ends of the operating frame should be fixed at the right side of the operating frame, and the middle part should be fixed at the left side of the operating frame. It is connected and held by three-point support in plan view. That is, a triangle is formed by connecting the support portions at these three points, and the support structure is strong in terms of strength. Therefore, by adopting such a supporting structure, the frame structure can sufficiently withstand the operating load applied during operation of each lever, and the three-point supporting structure forms a triangle, so that a strong supporting structure is obtained. Become.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of the present invention.

FIG. 2 is a side view of a main part according to the embodiment of the present invention.

FIG. 3 is a plan view of a main part according to the embodiment of the present invention.

FIG. 4 is a side view of a main part according to the embodiment of the present invention.

FIG. 5 is a perspective view of a main part according to the embodiment of the present invention.

FIG. 6 is an exploded plan view of another embodiment of the present invention.

FIG. 7 is another embodiment of the present invention and is an exploded side view of the same.

FIG. 8 is a cut-away front view of a main part of another embodiment of the present invention.

FIG. 9 is another embodiment of the present invention and is a cut-away front view (prior art) of a main part.

FIG. 10 is a cut-away side view of a main part of another embodiment of the present invention.

FIG. 11 is another embodiment of the present invention and is a plan view of a main part.

12 is another embodiment of the present invention, which is a cross-sectional view taken along line S-S of FIG. 11.

FIG. 13 is another embodiment of the present invention, and is a perspective view of a main part and a sectional view taken along line S1-S1.

FIG. 14 is another embodiment of the present invention, and is a perspective view of a main part and a sectional view taken along the line S2-S2.

FIG. 15 is a plan view of an essential part of another embodiment of the present invention.

FIG. 16 is a side view of a main part according to another embodiment of the present invention.

FIG. 17 is a side view of a main part according to another embodiment of the present invention.

[Explanation of symbols]

1 Traveling Vehicle 2 Traveling Crawler 3 Threshing Device 4 Mowing Unit 5 Mowing Input Shaft 6 Mowing Support Frame 7 Mowing Lifting Cylinder-8 Mowing Lifting Lever 9 Driving Section 10 Front Operating Box 11 Driver's Seat 12 Side Operating Box 13 Engine 14 Main shift lever 17 Operation guide panel 18 Operation guide panel 19 Throttle lever 20 Auxiliary shift lever 21 Mowing and threshing clutch lever 22 Switch panel 23 Open / close panel 24 Manual depth control manual switch 25 Handling depth control automatic switch 26 Direction control automatic switch

Claims (5)

[Claims] 1. A combine characterized in that an operation guide panel surface of the main shift lever is formed so as to bulge higher than an operation guide panel portion of another operation lever. 2. The operation guide panels of the main shift lever and other operation levers are combined and arranged on a side operation box installed on the lateral side of the driver's seat. 2. The combiner according to claim 1, wherein the shift lever is provided with various operation levers such as a throttle lever, an auxiliary shift lever, a mowing and threshing clutch lever, and the like around the outside thereof. 3. The combine according to claim 1, wherein a switch panel is arranged in the vicinity of the operation guide panel of the main shift lever, and both are integrally molded. 4. The combine according to claim 3, wherein the switch panel is arranged at a rear portion of the operation guide panel portion of the main shift lever. 5. The combine according to claim 3, wherein the switch panel is formed lower than an upper surface of an operation guide panel of the main shift lever.