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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 actuator, etc., can solve problems such as wrong 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
  • A self-energizing brake-by-wire

Examples

Experimental program
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Embodiment Construction

[0026] Reference attached figure 1 , an embodiment of the present invention will be described in detail.

[0027] Such as figure 1As shown, a self-energizing brake-by-wire includes a brake caliper body 3 that can move on a guide pin 2 , and the guide pin 2 is fixed on a brake caliper bracket 1 . There is a brake disc 16 in the jaw of the brake caliper body 3, and there are friction plates 15 on both sides of the brake disc 16, one is installed on the brake caliper body 3, and the other is installed on the large piston 14, and the large piston 14 passes through the large seal. The ring 13 is installed on the brake caliper body 3, and there is a relatively large frictional force between the contact surface of the large seal ring 13 and the large piston 14. When the displacement of the large piston 14 is within the elastic deformation range of the large seal ring 13, the large seal There is no relative movement between the contact surfaces of the ring 13 and the large piston 14...

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PUM

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Abstract

The invention relates to a self-energizing brake-by-wire device. The brake comprises a motor, a transmission mechanism, a threaded mechanism, a large piston, a small piston, connecting rods with wedge-shaped adjusting mechanisms, an elastic positioning device and the like. The motor drives the threaded mechanism through the transmission mechanism, the threaded mechanism drives the connecting rodsto move, the large piston and a brake caliper body are driven to move in opposite directions, a friction plate is tightly pressed by the same force from the two sides of a brake disc, so that the high-efficiency self-energizing braking effect is achieved; and meanwhile, wrong autonomous braking caused by other factors is avoided; the self-energizing brake-by-wire device has the advantages that thestructure 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 plate can be compensated, and the design of a control system is simplified, and the self-energizing brake-by-wire device brake can be suitable for driving braking and parking braking.

Description

technical field [0001] The invention relates to the field of brakes, in particular, it can replace the existing floating caliper disc hydraulic brakes, realize friction discs clamping the brake discs from both sides with the same pressure in an electronically controlled manner, and at the same time realize adjustable brake clearances , a wire-controlled mechanical brake with adjustable braking strength, in particular a self-energizing wire-controlled brake. 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 mechanical or hydraulic connections between the brake and the brake pedal. The control system receives the information from the sensor to control the motor to work. Stable and reliable brake control. At present, there are mainly two types of electronic hydraulic braking system (EHB) and electromechanical braking system (EMB). The brake-by-wire system is conducive to the optimiz...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16D55/22F16D65/14F16D121/24F16D121/14
CPCF16D55/22F16D65/14F16D2121/14F16D2121/24
Inventor 董颖常占辉
Owner ZHEJIANG NORMAL UNIVERSITY