Running vehicle body
A work machine and vehicle body technology, which is applied to the lifting device of agricultural machinery, agricultural machinery and implements, agriculture, etc., to achieve the effects of miniaturization, prevention of unstable left and right tilt posture, and cost reduction
Inactive Publication Date: 2011-06-01
ISEKI & CO LTD
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- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0003] According to the above-mentioned background art, the rotary hydraulic cylinder for changing the relative height of the left and right wheels must be separated from the above-mentioned hydraulic cylinder, and the structure becomes very large and the cost increases
Moreover, if the roll hydraulic cylinder malfunctions, the left and right tilting posture of the vehicle body may become worse.
Method used
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Embodiment Construction
[0028] One embodiment of the present invention will be described below.
[0029] 1 and 2 are overall side views and plan views of the walk-type rice transplanter 1 . This walk-behind rice transplanter 1 is provided with the engine 2 that is arranged on the front end portion of body; The main transmission case 3 that is arranged on the rear side of this engine 2; ; drive with the driving force from this travel transmission box 4 and become the wheel 5 of each traveling car body on the left and right; The main frame 6 extending backward from the rear side of the main transmission box 3; Case 7; The rear frame 8 bent from the rear side of the rice transplanting transmission case 7 and extending obliquely upward; and the operating handle 9 installed on the rear end of the rear frame 8. A plurality of (4) seedling planting devices 10 are installed in the bottom of the above-mentioned transplanting transmission box 7, and the front side of the rear frame 8 is provided with a seedli...
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The invention relates to a running vehicle body which arranges a cutting notch into which a left-right central portion of a relay connecting rod component on a piston rod, and arranges a connection shaft connected with the piston rod and upper and lower directions of the relay connecting rod component; the piston rod communicated with the connection shaft or the relay connecting rod component is provided with a first hole with the diameter of aperture being larger than the diameter of the connection shaft; the relay connecting rod component is provided with a front face that left and right two end parts at bottom surface of the cutting notch contact with the front side of the relay connecting rod component and move backwards along with the backward movement of the bottom surface; the relay connecting rod component is also provided with left and right connection parts which enable the left and right connecting rod to communicate between the left and right two ends of the relay connecting rod component; the left and right connection parts of the left and right connecting rods that are communicated respectively are provided with second holes with the diameter of aperture being largerthan the diameter of the connection shaft; left-right compression springs are respectively provided between the left and right connection parts as well as at left and right fixing fixtures of the rear end part of the left and right connecting rods.
Description
technical field [0001] The present invention relates to a traveling vehicle body of a working machine provided with left and right wheels. Background technique [0002] Among traveling bodies such as walking rice transplanters, there is known a traveling body having a structure in which: left and right wheels are provided; The transmission box; the left and right arms that rotate integrally with the left and right driving transmission box; the relay link part that moves forward and backward following the advance and retreat of the piston rod of the hydraulic lift cylinder; and the left and right arms that respectively connect the relay link part end and the left and right connecting rods between the above-mentioned left and right arms, and the above-mentioned piston rod protrudes to the rear side to move the left and right wheels downward. The travel vehicle body acts on the left and right central parts of the relay link member from the front end of the piston rod through ...
Claims
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IPC IPC(8): B60K17/32A01C11/00A01B63/10
Inventor 石田伊佐男荒木正胜玉井利男
Owner ISEKI & CO LTD