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A self-energizing brake-by-wire

A brake-by-wire, self-energizing technology, applied in the direction of brake type, axial brake, brake components, etc., can solve problems such as incorrect braking

Active Publication Date: 2021-01-15
ZHEJIANG NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The free gap of the disc brake is very small, when the contact between the friction plate and the brake disc occurs due to impurities, unevenness and other reasons, due to the self-energizing characteristics of the wedge mechanism, it is easy to cause wrong braking

Method used

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  • A self-energizing brake-by-wire
  • A self-energizing brake-by-wire

Examples

Experimental program
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Effect test

Embodiment Construction

[0021]Reference attachmentfigure 1 , A detailed description of an embodiment of the present invention.

[0022]Such asfigure 1 As shown, a self-energizing line control actuator includes a brake caliper body 1, a brake disc 16 is arranged in the caliper of the brake caliper body 1, and friction plates 15 are arranged on both sides of the brake disc 16, and one is installed on the brake. On the caliper body 1, one is installed on the large piston 14. The large piston 14 is installed on the brake caliper body 1 through the large sealing ring 23. There is a relatively large friction force between the contact surface of the large sealing ring 23 and the large piston 14. When the displacement of the large piston 14 is within the elastic deformation range of the large sealing ring 23, there is no relative movement between the contact surface of the large sealing ring 23 and the large piston 14. The other end of the large piston 14 has an inclined surface, which is installed in cooperation wit...

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PUM

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Abstract

The invention discloses a self-boosting wire-controlled brake. The self-boosting wire-controlled brake comprises a motor, a transmission mechanism, a one-way clutch, a cam, a large piston, a small piston, an elastic positioning device and the like, wherein the motor drives the one-way clutch to rotate through the transmission mechanism, the one-way clutch is engaged to drive the cam to move, the large piston and a brake caliper body are driven to move in opposite directions, and friction plates are tightly pressed by the same force from the two sides of a brake disc, so that the high-efficiency self-boosting brake effect is achieved, and wrong autonomous braking caused by other factors is avoided at the same time. According to the self-boosting wire-controlled brake, the structure is simple, the work is reliable, the braking efficiency is high, the brake clearance can be automatically adjusted, the influence caused by abrasion of the friction plates can be compensated, the design of the control system is simplified, and the self-boosting wire-controlled brake can be applied to driving braking and parking braking.

Description

Technical field[0001]The present invention relates to the field of brakes, in particular, it can replace the existing floating caliper disc hydraulic brake, and realize the friction plate clamps the brake disc with the same pressure from both sides in an electronically controlled mechanical manner, and at the same time, the brake gap can be adjusted , A wire-controlled mechanical brake with adjustable braking intensity, especially a self-energizing wire-controlled actuator.Background technique[0002]Brake-by-wire technology is a new type of braking technology that has emerged in recent years. It does not rely on a mechanical or hydraulic connection between the brake and the brake pedal. The control system receives the information from the sensor to control the operation of the motor. The stable and reliable brake control. At present, there are mainly two types: electronic hydraulic brake system (EHB) and electromechanical brake system (EMB). The brake-by-wire system is conducive to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D55/226F16D65/097F16D65/14F16D65/52F16H63/34F16D121/24F16D125/52F16D125/58F16D125/28F16D127/06F16D129/06
CPCF16D55/226F16D65/0973F16D65/14F16D65/52F16D2121/24F16D2125/28F16D2125/52F16D2125/58F16D2127/06F16D2129/06F16H63/345F16H63/3458F16H63/3475
Inventor 董颖常占辉
Owner ZHEJIANG NORMAL UNIVERSITY
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