Quantitative return disc brake of electric vehicle

A technology of disc brakes and electric vehicles, applied in the direction of brake types, slack adjusters, mechanical equipment, etc., can solve the problems of inconvenient quantitative return and affecting the braking effect of disc brakes, so as to improve the braking effect and increase the sensitivity Effect

Active Publication Date: 2019-04-12
SHANDONG JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a quantitative return disc brake for an electric vehicle, to solve the problem that the existing disc brake proposed in the above background technology is inconvenient fo

Method used

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  • Quantitative return disc brake of electric vehicle
  • Quantitative return disc brake of electric vehicle
  • Quantitative return disc brake of electric vehicle

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Embodiment Construction

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] see Figure 1-5, an embodiment provided by the present invention: a quantitative return disc brake for an electric vehicle, including a groove 1, a mounting seat 2, a first friction plate 18, a second friction plate 19, a first oil cylinder 26 and a brake caliper The piston 31 is provided with a fixed plate 15 under the mounting seat 2, and a guide pin 11 is welded on one side of the fixed plate 15. , the inner wall of the mounting seat 2 at the positi...

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Abstract

The invention discloses a quantitative return disc brake of an electric vehicle. The quantitative return disc brake comprises a groove, a mounting base, a first friction lining, a second friction lining, a first oil cylinder and a brake caliper piston; a fixing plate is arranged below the mounting base, and one side of the fixing plate is welded with a guide pin; and the bottom end of the mountingbase is arranged on the outer side of the guide pin in a sleeved manner, and the inner side of the mounting base is provided with a groove. According to the quantitative return disc brake, a second oil cylinder is arranged in the brake caliper piston, and a second guide piston in the second oil cylinder is connected with a connecting rod extending to the outside wall of the second friction lining, so that the wear loss of the second fiction lining can be detected by using balls on the connecting rod in the braking process by the second friction lining conveniently; a limiting sleeve in the first oil cylinder is moved closely to the brake caliper piston, and the brake caliper piston and a brake disc are kept for a certain distance all the time after use; and the moving distance of the brake caliper piston is reduced during next braking, so that the braking sensitivity and the braking effect are improved.

Description

technical field [0001] The invention relates to the technical field of electric vehicles, in particular to a quantitative return disc brake for electric vehicles. Background technique [0002] The rotating element in the disc brake friction pair is a metal disc that works on the end face, called the brake disc. The friction element clamps the brake disc from both sides to produce braking, and the fixed element has various structural forms. Disc brakes can be divided into caliper disc brakes and full disc types. Electric vehicles use caliper disc brakes, and most of them use floating caliper disc brakes. [0003] When the driver of the vehicle performs a brake operation, a piston provided, for example, in the brake caliper is slid and displaced toward the brake disc by supplying hydraulic pressure from the outside, and the friction pad is pressed toward the brake disc by the piston. , so that the braking force is applied to the brake disc. On the other hand, when the brake o...

Claims

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Application Information

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IPC IPC(8): F16D66/02F16D65/72
CPCF16D65/72F16D66/02
Inventor 王金波杨君衣丰艳徐向阳胡东海周稼铭张进海
Owner SHANDONG JIAOTONG UNIV
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