Gas path control system for vehicle lift bridge

A kind of air circuit control, vehicle technology

Active Publication Date: 2016-05-11
WUHU KAIKING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Both the lifting operation and the braking operation need to use compressed gas, the control system is complicated and the cost is high, and when the

Method used

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  • Gas path control system for vehicle lift bridge

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Embodiment Construction

[0013] figure 1 It is a schematic diagram of the air circuit control system used in the lifting axle of the vehicle according to the present invention. Depend on figure 1 It can be known from the structure shown that this kind of air circuit control system for vehicle lift axles includes a lifting control air circuit composed of a load-carrying air bag 1, a lifting air bag 2, an air storage tank 4, a pressure regulating valve 5, a solenoid valve 6 and a switch 8, and The brake control air circuit is composed of the brake chamber 3, the air storage tank 4, the pressure regulating valve 5, the solenoid valve 6, the relay valve 7 and the switch 8, and the carrying airbag 1 passes through the solenoid valve 6 and the pressure regulating valve 5 is connected to the air storage tank 4, the air chamber 3 is connected to the branch road connecting the carrying air bag 1 and the electromagnetic valve 6 through the relay valve 7, and the lifting air bag 2 is connected to the air storag...

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PUM

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Abstract

The invention discloses a gas path control system for a vehicle lift bridge. The gas path control system comprises an elevating control gas path formed by a bearing air bag (1), a lifting air bag (2), an air storing cylinder (4), a pressure regulating valve (5), an electromagnetic valve (6) and a switch (8), and a brake control gas path formed by a brake air chamber (3), the air storing cylinder (4), the pressure regulating valve (5), the electromagnetic valve (6), a relay valve (7) and the switch (8), the bearing air bag (1) is connected with the air storing cylinder (4) through the electromagnetic valve (6) and the pressure regulating valve (5) in sequence, the air chamber (3) is connected to a branch where the bearing air bag (1) and the electromagnetic valve (6) are connected through the relay valve (7), and the lifting air bag (2) is connected with the air storing cylinder (4) through the electromagnetic valve (6) and the pressure regulating valve (5) in sequence. The gas path control system disclosed by the invention is a gas control system which is reliable and simple to elevate and brake and low in cost, and further ensures the lift bridge is not braked in the lifting state and normally braked while descending to bear loads.

Description

technical field [0001] The invention relates to the field of control systems for lift axles of commercial vehicles, in particular to an air circuit control system for lift axles of vehicles. Background technique [0002] In recent years, the role of lifting axles in transport vehicles has been more and more widely accepted and applied. When the vehicle is fully loaded, the lifting bridge is lowered to carry the load; when the vehicle is empty or lightly loaded, the lifting bridge can be lifted to reduce the frictional resistance between the tire and the ground, reduce fuel consumption, and reduce tire wear. [0003] Usually, the lift axle of a commercial vehicle is lifted and lowered by controlling the inflation and deflation of the air bag. Both the lifting operation and the braking operation need to use compressed gas, the control system is complicated and the cost is high, and when the lifting axle is lifted, its air chamber is still braking, which wastes compressed gas ...

Claims

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Application Information

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IPC IPC(8): B60G17/015B60G17/052B60G17/0195B60T13/68
CPCB60G17/0155B60G17/0195B60G17/052B60G2204/40B60T13/683
Inventor 孙玉园代一文陈红李仁合朱张玲谢达明唐钢孙营
Owner WUHU KAIKING TECH
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