JPS6040095Y2 - Combine operation lever device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an operating lever device for a combine, which includes a threshing section having a handling barrel and the like, and a reaping section having a cutting blade, etc., and which transmits and operates the driving force to each of the above sections as appropriate.

Conventionally, as shown in Japanese Utility Model Publication No. 48-26654, a single operation lever is used to simultaneously switch the cutting blade and feed chain into the operating and deactivating states during reaping and threshing work.
In addition, there is a technique in which the cutting blade is stopped when only threshing is performed, and only the feed chain is activated or deactivated. There was also a technique to form them into shapes.

However, in the above-mentioned conventional technology, it is not possible to switch the reaping section between activation and deactivation while threshing is being performed, so even if the state of uncut culms in the field changes during the harvesting operation, The speed change operation of the reaping section can be easily performed in accordance with the change, but when stopping the reaping and changing the speed, threshing must also be stopped each time, and there is a problem in that it is not easy to improve the efficiency of the harvesting operation.

Furthermore, as shown in Japanese Utility Model Application Publication No. 51-354, there was a conventional technique in which the reaping section was switched between operating and stopping states while the threshing section was operating by operating a single lever. However, in a structure that changes the reaping speed in response to changes in the uncut culm condition in the field, the reaping section's speed change mechanism can be easily connected to the control lever, and is operated by a specially provided speed change lever. It is necessary to
There is a problem in that the structure of the operating lever and the handling cannot be easily simplified.

However, in the present invention, a single operating lever that is interlocked and connected to a threshing clutch and a reaping latch that drive and control the threshing section and the reaping section, respectively, is inserted through a T-shaped lever guide groove, and the operating lever is moved back and forth and left and right. In a combine harvester in which the threshing clutch and the reaping latch are operated by operating the threshing clutch and the reaping latch, in the vertical groove portion of the lever guide groove, the threshing clutch is operated by one person at one end that intersects with the horizontal groove portion of the guide groove, and the threshing clutch is operated by one person at the other end. At the same time, the operating lever is connected to the threshing clutch so that the lever guide groove is in the horizontal groove, and the reaping latch is connected in the horizontal groove part of the lever guide groove at the middle part that intersects with the vertical groove part of the guide groove, and the reaping latch is connected in the horizontal groove part in the horizontal groove part of the lever guide groove. 1
The operating lever is connected to the reaping latch so that the operator can switch between high-speed and low-speed drive.

Therefore, by positioning the operating lever at the intersection of the vertical and horizontal grooves of the lever guide groove and holding the reaping latch in one position with the threshing clutch alone, the reaping section can be easily accessed during cleaning or maintenance inspection of the threshing section. By stopping the drive of the threshing section and driving the reaping section at high or low speed after driving the threshing section, during the reaping and threshing operation,
In response to changes in the growth status of uncut culms in the field (for example, local lodging of shell culms), the reaping speed can be changed using the operating lever without stopping the drive of the threshing section. With the conventional structure that changes gears, the threshing clutch could not be turned to 1 until the threshing and sorting material in the threshing section was completely sent out. However, the reaping speed can be changed arbitrarily using the operating lever even during the harvesting process, which improves the efficiency of the harvesting process by continuously reaping and threshing, and simplifies handling operations compared to the conventional method. This is something that can be achieved.

An embodiment of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a schematic side view of the combine harvester, and FIG. 2 is a plan view of the same. In the figure, 1 is a truck frame equipped with left and right running rollers 2. and a machine stand attached via the lifting cylinder 5; 6, a threshing section that incorporates a handling cylinder 7, etc., and is mounted on the machine stand 3; 8, a culm conveying chain 9, a cutting blade 10, etc., for threshing; A reaping section 11 provided in front of the section 6 is a feed chain 1 for feeding the culm inherited from the reaping section 8 to the threshing section 6.
Reference numeral 2 denotes an engine that appropriately drives the running rollers 2, the threshing section 6, and the reaping section 8; 13, the paddy receiving stand on which the grain lifting cylinder 14 for removing grains from the threshing section 6 faces; and 15, the truck frame. 1 is a driver's cab supported by 1, 16 is a driver's seat, 17 is a driving operation panel, and 18 is a latch for running (not shown)
The main clutch levers 119, 19 that drive and control the rollers 2 running through the steering operation side clutch lever 12
0 is an operation lever that drives and controls the threshing section 6 and the reaping section 8 via a threshing and reaping latch (not shown), 21 is a traveling main gear shift lever, 22 is a traveling auxiliary gear shift lever, 23 is an elevation operation lever, and 24 is a circle. This clutch lever is configured to drive the threshing section 6 and the reaping section 8 to continuously reap and thresh the husks.

As shown in FIGS. 3 to 5, a T-shaped lever guide groove 25 is formed on the operation panel 17, and the operation lever 20
Insert the middle part into the groove 25.

In addition, a fixed culm 26 is installed inside the operation panel 17, and the lower end of the vertical punch 27 is supported by the fixed culm 26 through a pin 28 so that it can only be tilted back and forth, and this driving force is transmitted to the threshing section 6. A threshing clutch wire 29 to be connected to a threshing clutch (not shown) such as a tension clutch is connected to the lower end of the continuous punch 30, and the continuous pestle 3 is connected to the upper end of the vertical punch 27.
0 upper end is attached via a ball joint 31 that can rotate in any direction, and the lever guide groove 25
In the vertical groove portion of the guide groove 25, the operating lever 20 is linked with the threshing clutch so that one end of the guide groove 25 intersects with the horizontal groove portion is in the threshing clutch 1-man position, and the other end is the threshing clutch 1-man disengagement. There is.

Further, the lower end of the operating lever 20 is supported in the middle of the vertical punch 27 via a pin 32 so as to be tiltable only to the left and right,
The middle of the horizontal culm 33 installed laterally in the left-right direction is fixed to the lower end of the operating lever 20.

A high-speed and low-speed reaping latch wire 3 is connected to a reaping latch (not shown) such as a conventional double tension clutch that transmits this high-low-speed driving force to the reaping unit 8.
4.35 is connected to the lower ends of a pair of continuous punches 36, 37, and the upper ends of each continuous punch 36, 37 are attached to both ends of the horizontal culm 33 via ball joints 38, 39 that can rotate in any direction. Then, in the horizontal groove portion of the lever guide groove 25, the reaping latch is set to one-handed operation at the intermediate portion where it intersects with the longitudinal groove portion of the guide groove 25, and the reaping latch is set to one-person operation at both ends to switch to high-speed or low-speed drive. The operating lever 20 is connected to the reaping latch.

The present invention is constructed as described above, and the bar 20 is operated as described above.
tilt back and forth along the T-shaped lever guide groove 25,
It controls the drive of the threshing section 6, and rotates the vertical punch 27 in the forward direction together with the lever 20 about the pin 28.
0, the threshing clutch wire 29 is pulled, and the threshing section 6 is driven with the lever 20 moved to the forward position as shown in FIGS. 3 to 5.

Next, when the operating lever 20 is tilted to the left or right along the T-shaped lever guide groove 25 while the threshing section 6 is kept driven as described above, the horizontal culm 33 is tilted to the left along with the lever 20 about the pin 32. direction or rotate it to the right,
The reaping latch wire 34 or 35 is pulled through the continuous pestle 36 or 37 to drive the reaping section 8 at high or low speed.

In addition, since each of the above-mentioned continuous punches 30 and 36.37 is connected to the vertical punch 27 and the horizontal culm 33 by ball joints 31 and 38.39, when rotating the operating lever 20 back and forth, each continuous punch 36 and 37 hardly move, and the lever 2
When turning 0 left and right, the continuous punch 30 does not move, and only the above-mentioned effect can be obtained.

As is clear from the above embodiments, the present invention has a single operating lever 20 inserted through the T-shaped lever guide groove 25 to be interlocked and connected to a threshing clutch and a reaping latch that drive and control the threshing section 6 and the reaping section 8, respectively. In the combine harvester in which the threshing clutch and the reaping latch are operated by moving the operating lever 20 back and forth and left and right, the lever guide groove 2
In the longitudinal groove section 5, the operating lever 20 is connected to the threshing clutch so that one end of the guide groove 25 intersects with the horizontal groove section is in the threshing clutch 1-man position, and the other end is the threshing clutch 1-man operation. At the same time, in the lateral groove portion of the lever guide groove 25, the reaping latch is set to one-off at the intermediate portion where it intersects with the longitudinal groove portion of the guide groove 25, and the reaping latch is set to one-off at both ends to switch to high-speed or low-speed drive. The operating lever 20 is connected to the reaping latch, and the operating lever 20 is located at the intersection of the vertical groove and the horizontal groove of the lever guide groove 25.
By positioning the threshing clutch 1 and holding the reaping latch in the 1st position, it is possible to safely stop the drive of the reaping unit 8 during cleaning or maintenance inspection of the threshing unit 6, and also to safely perform threshing. By driving the reaping section 8 at high or low speed after driving the section 6, it is possible to prevent changes in the growth condition of uncut culms in the field (for example, local lodging of grain culms) during the reaping and threshing operation. The reaping speed can be changed using the operating lever 20 without stopping the drive of the threshing section 6. For example, in the conventional structure in which the reaping speed is changed after the first threshing clutch is disengaged, the threshed and sorted material in the threshing section 6 is completely removed. Since the threshing clutch could not be set to 1 until after the grain had been sent out, it was not possible to immediately change the reaping speed in response to changes in the situation during the harvesting operation, but the reaping speed could not be changed even during the harvesting operation. This can be done arbitrarily using the operating lever 20, and has practical effects such as improving the efficiency of harvesting operations by performing continuous reaping and threshing compared to the conventional method, and simplifying handling operations. .

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and Fig. 1 is a schematic side view of the combine harvester, Fig. 2 is a plan view of the same, Fig. 3 is an explanatory diagram of the operation of the main parts, and Fig. 4 is an illustration of the main parts. FIG. 5 is an enlarged side view, and FIG. 5 is an enlarged front view thereof. 6... Threshing section, Grain... Reaping section, 20...
...Operation lever, 25...Lever guide groove.

Claims (1)

[Claims for Utility Model Registration] A single operating lever 2 that is interlocked and connected to a threshing clutch and a reaping latch that drive and control the threshing section 6 and reaping section 8, respectively.
0 is inserted into a T-shaped lever guide groove 25, and the operating lever 20 is moved back and forth and left and right to operate the threshing clutch and the reaping latch, and is characterized by meeting the following requirements A and B. Combine harvester operating lever device. A: In the vertical groove portion of the lever guide groove 25, set the operating lever 20 so that one end of the lever intersects with the horizontal groove of the guide groove 25 is in the threshing clutch 1-man position, and the other end is in the threshing clutch 1-man position. be linked with the threshing clutch. B: In the horizontal groove portion of the lever guide groove 25, the reaping latch should be set to 1-handed at the middle portion where it intersects with the longitudinal groove portion of the guide groove 25, and the reaping latch should be set to 1-handed at both ends to switch to high-speed or low-speed drive. (Connecting the operating lever 20 with the reaping latch.