Oil cylinder guide mechanism, telescopic arm and engineering machinery
A technology of guiding mechanism and construction machinery, applied in the direction of cranes, etc., can solve the problems of bending of the telescopic oil cylinder, labor and time-consuming, and high replacement cost of the telescopic oil cylinder
Pending Publication Date: 2021-05-28
SANY AUTOMOBILE HOISTING MACHINERY
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Problems solved by technology
However, under actual working conditions, the telescopic arm is often overloaded, which directly causes the telescopic cylinder to bend and cannot work normally.
The arm needs to be disassembled for maintenance and replacement, and the cost of telescopic oil cylinder replacement is high, labor-intensive and time-consuming
Method used
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[0023] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0024] In the description of the present invention, it should be understood that the positive direction of "X" in the drawings represents the left, and correspondingly, the reverse of "X" represents the right; the positive direction of "Y" represents the front, correspondingly, The reverse direction of "Y" represents the rear; the positive direction of "Z" represents the upper direction, and correspondingly, the reverse direction of "Z" represents the downward direction, and the orientation or positional relationship indicated by the terms "X", "Y", and "Z" are Based on the orientation or positional relationship shown in the drawings of the specification, it is only for the convenience of describing the present invention and simplifying the...
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The invention provides an oil cylinder guide mechanism, a telescopic arm and engineering machinery. The oil cylinder guide mechanism comprises a mounting rack, a first guide structure and a second guide structure, the mounting rack is suitable for being connected with a telescopic oil cylinder in the telescopic arm, and the first guide structure is arranged on the mounting rack or the telescopic oil cylinder. The second guide structure is arranged on the mounting rack. The first guide structure comprises a first roller, and the first roller is suitable for abutting against the inner wall of the telescopic arm. The second guide structure comprises a second roller, the second roller abuts against the inner wall of the telescopic arm, and the first roller and the second roller are located on the upper side and the lower side of the mounting rack correspondingly. According to the invention, the first guide structure is arranged on the mounting rack or the telescopic oil cylinder, so that the distance between the mounting rack and the inner wall of the telescopic arm is reduced, the loaded deformation distance of the telescopic oil cylinder is limited, the deformation of the telescopic oil cylinder is inhibited, and the probability of bending of the telescopic oil cylinder is reduced.
Description
technical field [0001] The invention relates to the technical field of construction machinery, in particular to an oil cylinder guide mechanism, a telescopic arm and construction machinery. Background technique [0002] In construction machinery, such as a double-cylinder rope-row telescopic boom truck crane, the telescopic boom is its core working part. When the telescopic arm is working, it realizes the telescopic action through the internal telescopic oil cylinder. Therefore, the trouble-free operation of the telescopic oil cylinder is directly related to whether the boom can work normally. However, under actual working conditions, the telescopic arm is often overloaded, which directly causes the telescopic cylinder to bend and cannot work normally. The arm needs to be disassembled for maintenance and replacement after shutdown, and the replacement cost of the telescopic oil cylinder is high, labor-intensive and time-consuming. Contents of the invention [0003] The p...
Claims
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Login to View More IPC IPC(8): B66C23/683B66C23/693
CPCB66C23/68B66C23/707
Inventor 李鹏举游浩杰邢伟
Owner SANY AUTOMOBILE HOISTING MACHINERY