A hydraulic system for anti-loss joints of a vehicle transport vehicle
A hydraulic system and pressure joint technology, applied in the direction of fluid pressure actuators, etc., can solve the problems of complex structure, safety accidents, large space occupation, etc., and achieve the effect of improving safety factor, preventing safety accidents, and reasonable design layout
Active Publication Date: 2018-04-20
长久汽车制造有限公司
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Problems solved by technology
In the process of use, due to the poor pressure-holding performance of the simple hydraulic cylinder, there is self-dropping, poor self-locking performance, and poor reliability.
If the oil return pipe of the hydraulic cylinder bursts accidentally or the hydraulic system fails, the lifting platform will quickly fall due to gravity, which will easily cause a safety accident
In order to prevent such accidents, the structure of hydraulic cylinder plus hydraulic lock (two-way hydraulic control check valve) is basically adopted. This structure is relatively complicated, takes up a large space, and costs high. In addition, the reliability of the hydraulic lock needs to be further improved. Therefore, We propose a vehicle transporter anti-loss joint hydraulic system to solve the above problems
Method used
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[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0015] refer to figure 1 , a hydraulic system for an anti-loss joint of a vehicle transport vehicle, comprising an anti-loss joint, the anti-loss joint includes a joint body 1, a current limiting plate 2, an adjusting screw 3, a spring 4 and an anti-loosening nut 5, and one part of the joint body 1 There is an A-end interface on the side, and the A-end interface is connected to the oil pipe of the vehicle transporter. The other side of the joint body 1 is provided with a B-end interface. The B-end interface is connected to the oil cylinder of the vehicle transporter. The middle position of the joint body 1 is opened. There are multiple overcurrent ports 6, and the ov...
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The invention discloses an anti-decompression connector hydraulic system of a vehicle carrier vehicle. The anti-decompression connector hydraulic system comprises an anti-decompression connector. The anti-decompression connector comprises a connector body, a current-limiting piece, an adjusting screw, a spring and an anti-dropping nut. One side of the connector body is provided with an A-end connector, the A-end connector is connected with an oil pipe of the vehicle carrier vehicle, the other side of the connector body is provided with a B-end connector, the B-end connector is connected with an oil cylinder of the vehicle carrier vehicle, the middle position of the connector body is provided with a plurality of overflow ports, one side, close to the B-end connector, of the inside of the connector body, is further provided with a clamping groove, and the clamping groove is horizontally disposed at the middle position of the overflow port and communicated with the B-end connector. One end of the spring is fixedly connected with the inner wall of the clamping groove, the other end of the spring is connected with the current-limiting piece, and the spring sleeves the adjusting screw. The anti-decompression connector hydraulic system is reasonable in design, simple in structure and easy to implement, responds sensitively and is high in reliability, and a safety factor of the hydraulic system is effectively improved.
Description
technical field [0001] The invention relates to the technical field of vehicle transport vehicles, in particular to a hydraulic system for anti-pressure loss joints of the vehicle transport vehicle. Background technique [0002] The current vehicle transporter lifting platform is multi-purpose hydraulic cylinder, hydraulic cylinder plus wire rope pulley block, hydraulic cylinder plus chain pulley block and other structures. In the process of use, due to the poor pressure-holding performance of the simple hydraulic cylinder, there is self-dropping, poor self-locking performance, and poor reliability. If the oil return pipe of the hydraulic cylinder bursts accidentally or the hydraulic system fails, the lifting platform will quickly fall due to gravity, which will easily cause a safety accident. In order to prevent such accidents, the structure of hydraulic cylinder plus hydraulic lock (two-way hydraulic control check valve) is basically adopted. This structure is relatively ...
Claims
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IPC IPC(8): F15B15/14F15B15/26
CPCF15B15/1423F15B15/26
Inventor 付立乐陆平戴世伟任传霄
Owner 长久汽车制造有限公司