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Vehicle service brake and parking brake interlocking device and control method thereof

A technology of service braking and interlocking devices, applied in the direction of braking transmissions, brakes, brake components, etc., can solve the problems of brake overload, brake life reduction, braking performance degradation, etc., to eliminate brake overload and improve performance and service life, increasing the effect of safety

Inactive Publication Date: 2016-09-21
CHERY COMML VEHICLE ANHUI
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] At present, although the service brake device and the parking brake device of domestic light-duty trucks are independent of each other, for the air-cut brake type that uses a spring brake cylinder as the parking brake, the difference between the service brake and the parking brake Interlocking is often not possible
If the driver misuses the service brake and the parking brake at the same time, it will cause the brake to be overloaded, further resulting in a decrease in braking performance and a reduction in the life of the brake.

Method used

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  • Vehicle service brake and parking brake interlocking device and control method thereof

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Embodiment Construction

[0017] The present invention will be described in detail below according to the accompanying drawings, which is a preferred embodiment among various implementations of the present invention.

[0018] In a preferred embodiment, a vehicle service brake and parking brake interlock device mainly includes an air compressor, an air dryer, a four-circuit protection valve, a hand brake valve, a foot brake valve, a load sensing ratio Valves, quick release valves, two-way check valves, air storage tanks, spring brake chambers and other component assemblies. It can realize the interlock between the service brake and the parking brake, completely eliminate the brake overload caused by misoperation, and increase the safety of the operation during the braking process. In the present invention, a two-way one-way valve is added in the parking brake control air circuit, which is associated with the service brake circuit. When the parking brake is working, there is no air pressure in the parki...

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Abstract

The invention relates to a vehicle service brake and parking brake interlocking device and a control method thereof. The vehicle service brake and parking brake interlocking device comprises a service brake circuit, a load sensing proportion valve, a two-way check valve, a service brake chamber and a spring brake chamber, wherein the service brake circuit is connected to the load sensing proportion valve, the load sensing proportion valve is connected with the two-way check valve through a first pipeline, the two-way check valve is connected to the spring brake chamber, and the load sensing proportion valve is connected with the service brake chamber through a second pipeline. Regardless of any operation mode of a driver, a service brake device and a parking brake device work alternatively, brake overload caused by misoperation of the driver is eliminated, performance of brakes is improved, and the service life of the brakes is prolonged.

Description

technical field [0001] The invention relates to a vehicle braking system, in particular to an interlocking device for vehicle service braking and parking braking and a control method thereof. Background technique [0002] At present, although the service brake device and the parking brake device of domestic light-duty trucks are independent of each other, for the air-cut brake type that uses a spring brake cylinder as the parking brake, the difference between the service brake and the parking brake Interlocking is often not possible. If the driver makes a wrong operation to make the service brake and the parking brake work at the same time, it will cause the brake to be overloaded, which will further cause a decrease in braking performance and a reduction in the life of the brake. Contents of the invention [0003] The purpose of the present invention is to provide a vehicle service brake and parking brake interlock device and its control method, by adding a two-way check...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/26B60T15/36
CPCB60T13/26B60T15/36
Inventor 廖洪波唐庆伟杨远渊郭磊吴耀斌朱宏献
Owner CHERY COMML VEHICLE ANHUI
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