Pressure monitoring system of automobile lifting machine
A pressure monitoring and lift technology, which is used in the testing of fluid pressure actuation systems, measuring fluid pressure, and fluid pressure actuating devices, etc. It can solve problems such as no pressure detection function, damage to vehicle parts, and large vehicle impact. , to achieve the effect of improving service life, reducing impact force and avoiding damage
Active Publication Date: 2021-03-09
CHENGDU IND VOCATIONAL TECHN COLLEGE
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- Claims
- Application Information
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Problems solved by technology
However, the existing lifts usually use a hydraulic cylinder to control the lifting of the vehicle to be repaired. The hydraulic cylinder is a direct wash-down lift, which does not have a pressure detection function. Damage to vehicle parts
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[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0022] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...
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The invention discloses a pressure monitoring system of an automobile lifting machine. The pressure monitoring system comprises a base and a lifting platform, a lifting mechanism is connected betweenthe base and the lifting platform and comprises two X-shaped lifting frames, an upper connecting rod and a lower connecting rod are connected between the two X-shaped lifting frames, a first hydrauliccylinder is connected between the upper connecting rod and the base, and a second hydraulic cylinder is connected between the lower connecting rod and the base; a hydraulic control system comprises acontroller, an oil tank, a hydraulic pump, a throttle valve, an electromagnetic reversing valve and a pressure sensor, the pressure sensor is connected with the first hydraulic cylinder, and the controller is connected with the throttle valve, the electromagnetic reversing valve and the pressure sensor respectively; and when the lifting platform lowers to a position close to the base, the pressure sensor detects that the pressure of a rodless cavity of the first hydraulic cylinder reaches a certain value, the controller controls the flow of the throttling valve to be decreased, the pressure of the rodless cavity of the first hydraulic cylinder is slowly decreased, the lifting platform slowly descends, and therefore the impact force of the lifting platform on a vehicle during descending ofa vehicle is reduced.
Description
technical field [0001] The invention belongs to the technical field of automobile maintenance, and in particular relates to a pressure monitoring system of an automobile lift. Background technique [0002] With the rapid development of social economy, people are using cars more and more widely. During the use of cars, cars often break down and need to be repaired. Auto repair is a general term for car maintenance and repair. It is to check the faulty car through technical means to find out the cause of the fault, and take certain measures to eliminate the fault and restore it to a certain performance and safety standard. Automobile maintenance includes automobile overhaul and automobile minor repair. Automobile overhaul refers to the method of repairing or replacing any parts of the automobile, restoring the complete technical condition of the automobile and restoring the life of the automobile. The minor repair of automobiles refers to: the operational repair of ensuring o...
Claims
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IPC IPC(8): B66F7/08B66F7/28F15B19/00G01L11/00
CPCB66F7/0658B66F7/08B66F7/28F15B19/00G01L11/00
Inventor 陶沙沙
Owner CHENGDU IND VOCATIONAL TECHN COLLEGE