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Brake assembly with corner type brake shoe friction plate abrasion alarm device

A technology of alarm device and friction plate, applied in the direction of brake type, mechanical equipment, etc., can solve the problem of traffic accident material waste, and achieve the effect of long service life, high reliability and high cost performance.

Pending Publication Date: 2019-06-14
FAW JIEFANG AUTOMOTIVE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a brake assembly with a simple structure and a wear warning device for the friction lining of the corner brake, which solves the problem of traffic accidents caused by excessive wear of the brake shoe friction lining of the drum brake or material waste caused by early replacement. question

Method used

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  • Brake assembly with corner type brake shoe friction plate abrasion alarm device
  • Brake assembly with corner type brake shoe friction plate abrasion alarm device
  • Brake assembly with corner type brake shoe friction plate abrasion alarm device

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Embodiment Construction

[0033] refer to figure 1 , a brake assembly with a corner-type brake shoe friction plate wear alarm device, including a brake base plate 1, a camshaft 2, a camshaft washer 3, a brake shoe pin 4, a return spring 5, a tension Spring 6, active brake shoe with friction plate assembly 7, driven brake shoe with friction plate assembly 8, front dust plate 9, rear dust plate 10, dust plate connecting bolt 11, cam bracket 12 , Cam bracket connecting bolt 13, spring brake cylinder 14, spring washer-fastening spring brake cylinder 15, nut-fastening spring brake cylinder 16, automatic adjustment arm 17, adjustment gasket 18, automatic adjustment arm bracket 19, Automatic adjustment arm bracket connecting bolt 20, automatic adjustment arm bracket fixing bolt 21, brake friction pad wear alarm sensor 22, brake friction pad wear alarm sensor fixed stop 23, retaining spring 24, brake friction pad wear alarm sensor positioning pin 25. Spring brake cylinder fixing pin 26, flat gasket 27, cotter...

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Abstract

The invention provides a brake assembly with a corner type brake shoe friction plate abrasion alarm device. The brake assembly comprises a brake bottom plate, a cam shaft, an active brake shoe iron belt friction plate assembly, a driven brake shoe iron belt friction plate assembly, a cam support, a spring brake cylinder, an automatic adjusting arm, a brake friction plate abrasion alarm sensor andother parts. According to the brake assembly, the brake friction plate abrasion alarm sensor is used for detecting the adjustment angle difference value between the automatic adjusting arm and the camshaft to judge whether the brake shoe friction plate reaches the abrasion limit, a corner displacement signal is converted into an electric signal, and then the electric signal is converted into a sound, light and other signals to give an alarm to a driver in the driving room. According to the brake assembly, the brake assembly body does not need to be changed, only the cam shaft needs to be correspondingly changed, the abrasion limit of the brake shoe friction plate can be monitored, the brake friction plate abrasion alarm sensor can be repeatedly used, and the service life is long.

Description

technical field [0001] The invention belongs to the field of automobile manufacturing, in particular to a brake assembly with a corner type brake shoe friction plate wear alarm device. Background technique [0002] Commercial vehicle brakes are divided into drum brakes and disc brakes. Drum brakes are the best choice for most domestic medium and heavy commercial vehicle manufacturers due to their low price and stable braking performance. Drum brakes generate braking torque through friction between the brake shoe friction plate and the brake drum, thereby stopping the vehicle. After the drum brake is used for a period of time, the brake shoe friction plate will be worn due to friction. At present, the domestic method of judging the wear of the brake shoe friction plate is to observe the wear of the brake shoe friction plate through the observation hole set on the dust plate. During the use of the vehicle, the driver is often required to pass through the observation hole of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D66/02
Inventor 何昆健胡晓吴丹梁银银
Owner FAW JIEFANG AUTOMOTIVE CO
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