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Automatic adjustment brake drum

An automatic adjustment, brake drum technology, applied in slack adjusters, brake types, drum brakes, etc., can solve the problems of constant brake arm travel, large braking sliding distance, and reduced braking effect, and achieves the best performance. Uniform force, avoid dislocation, reduce wear effect

Pending Publication Date: 2018-01-16
泰州市扬帆车件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, if the friction plate on the existing hub expansion brake shoe is worn, the braking effect will be reduced due to the same stroke of the braking force arm, the brake will fail, and the braking sliding distance will be large. It is necessary to manually adjust the left and right shoes to open outwards , so that the friction plate and the brake hub maintain a reasonable gap to achieve the braking effect

Method used

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  • Automatic adjustment brake drum
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Embodiment Construction

[0025] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments.

[0026] Such as Figure 1-7 As shown, an automatic adjustable brake drum brake includes a casing 1, and the inner side of the casing 1 is provided with a power transmission device 2, a centering shaft 3, a shoe block 4, an adjustment gear 5 and a hand brake support plate 6; the shoe block 4 is symmetrically arranged On both sides of the power transmission device 2 and the centering shaft 3, one end of the hand brake support plate 6 is fixed on the shoe 4, and the other end has a waist-shaped hole and a limit adjustment tooth 7, and the pin 16 is connected with the adjustment tooth at the waist-shaped hole. The gear 5 is movably connected; one end of the adjustment gear 5 is inserted into the shoe 4 on the other side, and the hand brake support plate 6 and the adjustment gear 5 are set through the meshing of the limit adjustment tooth 7. 1 opens outwards...

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Abstract

The invention discloses an automatic adjustment brake drum. The automatic adjustment brake drum includes a housing (1); a power transmission device (2), a centralizing shaft (3), hoof blocks (4), an adjustment gear (5), and a hand brake supporting plate (6); the hoof blocks (4) are symmetrically arranged on two sides of the power transmission device (2) and the centralizing shaft (3); one end of the hand brake supporting plate (6) is fixedly arranged on the hoof blocks (4), and a waist-shaped hole and a limiting adjustment tooth (7) are formed in and arranged on the other end of the hand brakesupporting plate (6); the waist-shaped hole is movably connected to the adjustment gear (5) through a pin (16); the hand brake supporting plate (6) is engaged with the adjustment gear (5) through thelimiting adjustment tooth (7); the adjacent hoof blocks (4) open outward in the housing (1) with the power transmission device (2), and the other ends rotate around the centralizing shaft (3) with arotation supporting block (9). The automatic adjustment drum is reasonable in structural design, is easy to produce, and is easy to assemble.

Description

technical field [0001] The invention relates to a brake device, in particular to an automatic adjustment brake drum brake. Background technique [0002] At present, if the friction plate on the existing hub expansion brake shoe is worn, the braking effect will be reduced due to the same stroke of the braking force arm, the brake will fail, and the braking sliding distance will be large. It is necessary to manually adjust the left and right shoes to open outwards , so that the friction plate and the brake hub maintain a reasonable gap to achieve the braking effect. Contents of the invention [0003] The purpose of the present invention is to overcome the problems of the prior art and provide an automatic adjustment brake drum brake. [0004] An automatic adjusting brake drum brake of the present invention comprises a casing, and the inner side of the casing is provided with a power transmission device, a centering shaft, a shoe block, an adjustment gear and a hand brake su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D51/20F16D65/52
Inventor 杨荣富施国华
Owner 泰州市扬帆车件有限公司
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