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Brake horseshoe

A technology of brake shoes and brake shoes, which is applied in the direction of brake parts, brake types, mechanical equipment, etc., can solve the problems of easy sliding and dislocation of friction plates, alarm of friction plate wear, and misplacement of friction plates, etc., to protect personal safety and property safety, manufacturing cost reduction, and the effect of simplification of fixtures

Inactive Publication Date: 2012-09-19
GUANGZHOU ZHONGBO BRAKE SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above problems, the present invention provides a brake shoe, the brake shoe can not only meet all the functions of the existing brake shoe, but also can position the friction plate to solve the problem that the friction plate may be misplaced, and at the same time, It also has the function of friction plate wear alarm
[0008] When the friction plate is bonded to the brake shoe, just align one end of the friction plate with the corresponding positioning alarm boss. During the binding and baking process, the friction plate can only move slightly within the maximum tolerance range of the position of the positioning alarm boss. , so as to solve the problem of inaccurate initial positioning of the friction plate and the easy sliding and misalignment of the friction plate during the bundling and baking process

Method used

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Examples

Experimental program
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Embodiment 1

[0029] like figure 1 , figure 2 As shown, a brake shoe includes a web 1 and a wing 2, the wing (2) is connected with the arc-shaped outer periphery of the web 1, and the wing 2 is arched; it also includes a positioning alarm boss 3 , the positioning alarm boss 3 is located on the contact surface between the wing plate 2 and the friction plate 4 .

[0030] The positioning alarm boss 3 is stamped from the wing plate 2 without additional process and does not increase the manufacturing cost.

[0031] like Figure 4 As shown, the height of the positioning alarm boss 3 is L1 is 1 mm, and the height of the positioning alarm boss 3 is the limit thickness of the allowable wear of the friction plate 4 required by the design.

[0032] There are four positioning alarm bosses 3, two of which form a group, and one group is located on the starting angle α of the brake shoe (that is, the angle to the center line 5 is α), where as shown in the figure, α =30°; the other group is located at...

Embodiment 2

[0036] A brake shoe, comprising a web 1 and a wing 2, the wing 2 is connected to the arc-shaped outer periphery of the web 1, the wing 2 is arched; it also includes a positioning alarm boss 3, the positioning alarm The boss 3 is located on the contact surface between the wing plate 2 and the friction plate 4 .

[0037] The positioning alarm boss 3 is stamped from the wing plate 2 without additional process and does not increase the manufacturing cost.

[0038] The height of the positioning alarm boss 3 is 0.5 mm, and the height of the positioning alarm boss 3 is the limit thickness of the allowable wear of the friction plate 4 required by the design.

[0039] The positioning alarm boss 3 surrounds the friction plate 4 to form a continuous strip-shaped protrusion. The friction plate 4 is completely limited in the space enclosed by the protrusion.

[0040] When the friction plate 4 is bonded with the brake shoe, just align one end of the friction plate 4 with the corresponding...

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Abstract

The invention provides a brake horseshoe, belonging to the technical field of automobile brake parts. The brake horseshoe comprises a web plate, a wing plate and a positioning alarm boss, wherein the arc-shaped peripheries of the wing plate and the web plate are connected; the wing plate is arch-shaped; and the positioning alarm boss is arranged on the contact surface between the wing plate and a friction plate. By setting the positioning alarm boss, the friction plate can be positioned accurately and an abrasion alarm function is provided, thereby reducing the rejection rate caused by inaccurate positioning of the friction plate in the production process, simplifying a frock clamp for binding devices, reducing the production cost and improving the quality stability of products. The brake horseshoe can be widely applied to automobile drum brakes.

Description

technical field [0001] The invention relates to a component of a drum brake for automobile braking, in particular to a brake shoe. Background technique [0002] In the process of automobile braking, the drum brake is an important part that provides braking force, and the brake shoe is a key part in the drum brake. Generally speaking, the brake shoe is bonded by the brake shoe and the friction plate through glue. Knots or rivets riveted. [0003] Although the existing drum brake has a very mature structure and has been used for many years, it has the following two deficiencies: [0004] One, there is no friction plate positioning device on the brake shoe. There is no positioning device on the shoe, which will lead to inaccurate positioning when the brake shoe is bonded to the friction lining, resulting in poor consistency of the starting angle of the friction lining, thereby affecting the consistency of the brake performance. Even though the current brake shoe manufacturer...

Claims

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Application Information

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IPC IPC(8): F16D65/08F16D66/02
Inventor 莫广远
Owner GUANGZHOU ZHONGBO BRAKE SYST CO LTD
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