JPH0880104A - Crawler type passenger management machine - Google Patents

Abstract

(57) [Summary] [Purpose] Adjust the distance between the left and right crawlers 5 in the passenger management machine. By this adjustment, the chrome frame 4 is adjusted by a simple structure and operation so as not to come into contact with crops, ridges, or the like. [Structure] A chrome frame 4 having front and rear end wheels 1 and 2 and an intermediate wheel 3 along a running surface is crossed over these wheels 1, 2 and 3. An upper frame 10 having a mission case 7 having a drive spout rocket 6 for driving the triangular top of the la 5, an engine E and a driver's seat 8, and having a lift arm 34 for a working machine 9 mounted thereon.
On the other hand, the structure of the crawler type passenger management machine which is provided so that the tread can be adjusted by moving left and right.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crawler-type riding management machine, which can be used as a management work machine which has a triangular crawler and travels to attain a high vehicle height.

[0002]

2. Description of the Related Art Since a riding management machine performs work such as cultivating and weeding while traveling between crops and between ridges, it has a high vehicle height and various types of work. Since the work machine is installed, it is necessary to adjust the left and right crawler positions according to the ridge width and the crop cultivation width.

[0003]

SUMMARY OF THE INVENTION According to the present invention, there is provided a chrome frame 4 having end wheels 1 and 2 and an intermediate wheel 3 in the front-rear direction along a running surface. , A transmission case 7 having a drive sprocket 6 for driving a triangular top of a crawler 5 which is hung over the engine 3, and an engine E.
And a driver's seat 8 and a crawler-type riding management machine which is provided so that the tread can be adjusted by moving left and right with respect to an upper frame 10 on which a lift arm 34 for a working machine 9 is mounted. The configuration is as follows.

[0004]

When the engine E on the upper frame 10 is driven, the drive sprocket 6 is rotated through the transmission mechanism in the mission case 7. The crawler 5 wound around the drive sprocket 6 travels on the traveling surface while being guided by the front and rear end wheels 1, 2 and the intermediate wheel 3.

When adjusting the tread between the left and right crawlers 5, the crawler frame 4 is used with respect to the upper frame 10.
Move it to the left and right to secure it,
The position interval of LA 5 can be changed. In this way, the left and right side portions of the upper frame 10 having a high vehicle height are used to move and adjust the color cradle frame 4 having the color crawlers 5 to the left and right. The tread can be adjusted so that it is difficult to contact crops, ridges, etc. by translating it along with the lower crawler 5 across the position.

Further, in this tread adjustment, the upper frame 10 has the transmission case 7, the engine E, the driver's seat 8, the lift arm 34, etc., so that the positions of the left and right drive sprockets 6 are set. It suffices if the movement is adjusted so as to face the crawler 5 position, and a simple structure and operation can be achieved.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS.
Is a pair of left and right independent structures. On the lower side portion 11 of each of the left and right color roller frames 4, the front end rolling wheel 1, the rear end rolling wheel 2, the intermediate rolling wheel 3 and the like are arranged so as to be in rolling contact with each other on substantially the same plane. The lower part of 5 can be bridged. Of these, the rear end rolling wheel 2 is slidably inserted into the pipe of the lower side portion 11 by a slider-12, and is moved forward and backward by a telescopic cylinder C1 between the rear end rolling wheel 2 and the lower side portion 11 so as to move the crow wheel. Adjust the tension of 5. Further, the upper side portion 13 and the lower side portion 11 of the chrome frame 4 are rigidly connected by a front side portion 40 and a rear side portion 41 which are connected to each other at a high vehicle height at front and rear end portions.

The upper frame 10 is formed integrally by connecting vertical frames 17 in the front-rear direction with horizontal frames 16. In addition, the mission case 7 is supported between the horizontal frame 16 and the vertical frame 17, and an engine base 18 is provided so as to project in front of which the engine E is mounted.
A seat base 19 is provided on the rear side to support the driver's seat 8. A step floor 20 for receiving the feet of the driver is attached to the upper surface of the upper frame 10.

The upper side portion 13 of the chrome frame 4 is
The vertical frame 17 of the upper frame 10 is positioned on both left and right sides of the vertical frame 17, and the guide frame 4 extends inward from the upper side 13.
4 is projected and the guide frame 44 is provided so as to be able to extend and contract right and left along a slide frame 45 formed of a square pipe on the vertical frame 17 side. In this way, the guide frame 4
4 and the slide frame 44 may be expanded and contracted to move the left and right crawler frames 4 to the left and right to manually adjust the tread, but between the slide frame 45 and the guide frame 44. It is also possible to provide a telescopic cylinder at.

In the mission case 7, the traveling drive shaft 53 is projected to the left and right sides of the lower end, and the sprocket shaft 21 is connected to the outer end thereof.
1 to the upper side 13 of the chrome frame 4 with the bracket 22
Bearing on. The drive sprocket 6 is attached to the end of the sprocket shaft 21 on the outer side of the crawler frame 4 and is positioned within the winding range of the crawler 5.

A transmission case, a steering clutch, and the like are provided in the mission case 7, and the power input from the engine E by the belt 23 is transmitted to the left and right sprockets 21, and the belt 24 is inserted in the middle thereof. Through the upper frame 1
0 PTO shaft 25 mounted on the PTO transmission case 2
6 is transmitted to the input shaft. 27 is a hydraulic pump. An operation mechanism such as a clutch lever 28, a shift lever 29, and a steering lever 30 is provided on the mission case 7, and a lift lever 31 is provided on the side of the driver's seat 8. The expandable cylinder C1 expands and contracts by hydraulic pressure or electric rotation.

The working machine 9 exemplifies a cultivator having a rotary weeding claw 32, but a lift arm 3 which vertically rotates about a lift shaft 33 with respect to a rear portion of the upper frame 10.
4, the lift arm 34 can be moved up and down by expanding and contracting the lift cylinder 35 by the hydraulic pressure of the hydraulic pump 27. 36 is a transmission shaft that interlocks between the PTO shaft 25 and the input shaft of the working machine 9. 37 is a ridge,
38 indicates a groove and 39 indicates a crop.

The front side portion 40 and the rear side portion 41 are
The lower end portion is connected to the lower side portion 11 as high as possible, and the upper end portion is provided obliquely toward the upper side portion 13 located on the inner side of the drive sprocket 6, so that the ridges 37, the crop 39, etc. can be easily straddled. . The extendable guide frame
The position of the frame 14 and the slide frame 15 may be fixed by pulling out and inserting the lock pin in the tread adjustment by the manual operation. At the same time, the expansion and contraction between the drive shaft 42 and the sprocket shaft 21 may be expanded and contracted by spline fitting, or may be fixed at a fixed adjustment position by a connecting pin.

4 to 7, the difference from the above example is that
For each upper frame 10, attach each color frame 4
The upper frame 10 is rotatably supported around the sprocket shaft 21, and the rotational angle of the upper frame 10 with respect to the chlora frame 4 is adjusted by connecting the telescopic cylinder C2 extending and contracting between them. The front and rear balance of the aircraft and the balance on sloping ground will be secured. The sprocket shaft 21
The bracket 22 for supporting the outer frame is attached to an outer frame 43 having a structure different from that of the crawler frame 4.
As in the above example, the guide frame 14 is provided inside the frame 43 so that the tread can be adjusted between the guide frame 14 and the slide frame 15 of the upper frame 10.

On the outside of the bracket 22, a metal boss 44 that is fitted directly around the sprocket shaft 21 or is rotatably fitted around a boss shaft around the sprocket shaft 21 is provided with the front side. The portion 40 and the rear side portion 41 are connected to each other to form the chrome frame 4 in a triangular shape in a side view. The telescopic cylinder C2 is provided between the rear portion of the lower side portion 11 and the outer frame 43 and is telescopically extended to adjust the inclination of the upper frame 10 integrated with the outer frame 43 in the front-rear direction. .

Therefore, the outer frame 43 is connected to the vertical frame 1
By adjusting the left and right movement to 7
You can adjust the tread of. Moreover, due to the expansion and contraction cylinder C2 between the outer frame 43 and the chrome frame 4,
Upper frames such as the outer frame 43 and the vertical frame 17
You can also adjust the posture of the mouse 10. At this time
Since the drum 4 rotates around the sprocket shaft 21, the tension change of the crawler 5 is small. The telescopic cylinder C2 is a double-acting type, and is telescopically extended by a hydraulic circuit having a switching valve 46 that is switched by the operation lever 45. T is a tank port.

In FIG. 8, the difference from the above example is that the P
To adapt the TO transmission case 26 to the height of the work machine,
The expansion / contraction cylinder C3 is adjusted up and down by hydraulic expansion / contraction. The PTO transmission case 26 is supported via an arm 48 which is rotatable around a transmission shaft 47 of the belt 24,
The position around the transmission shaft 47 can be adjusted by expanding and contracting the expansion cylinder C3 between the transmission case 7 and the transmission case 7.

By the upper and lower sides of the transmission case 26, the PTO
The bending angle of the universal joint of the transmission shaft 36 between the shaft and the input shaft on the working machine 9 side can be reduced, and smooth transmission can be performed.

[Brief description of drawings]

FIG. 1 is a side view.

FIG. 2 is a plan view.

FIG. 3 is a partial front view.

FIG. 4 is a side view showing another embodiment.

FIG. 5 is a plan view thereof.

FIG. 6 is a front view of a part thereof.

FIG. 7 is a hydraulic circuit diagram thereof.

FIG. 8 is a side view showing a part of another embodiment.

[Explanation of symbols]

 1 Front End Roller Wheel 2 Rear End Roller Wheel 3 Intermediate Roller Wheel 4 Crawler Frame 5 Crawler 6 Drive Sprocket 7 Mission Case 8 Driver's Seat 9 Working Machine 10 Upper Frame 34 Liftarm E Engine

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Masato Nagai, No. 1 Yakura, Tobe-cho, Iyo-gun, Ehime Prefecture, Engineering Department, Iseki Agricultural Machinery Co., Ltd. Department

Claims (1)

[Claims] 1. The end rollers 1, 2 in the front-rear direction along the running surface.
And a transmission frame having a drive sprocket 6 for driving a triangular top portion of a crawler 5 which is hung over the rolling wheels 1, 2 and 3 and a crawl frame 4 having an intermediate rolling wheel 3. The upper frame 10 including the engine 7, the engine E and the driver's seat 8 and having the lift arm 34 for the working machine 9 mounted thereon is moved laterally to the left and right to adjust the tread. -La-type passenger management machine.