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Vehicle electronic mechanical brake actuator

A mechanical and actuator technology, which is applied in the direction of brake actuators, mechanical equipment, gear transmission mechanisms, etc., can solve the problems of complex structure and pipeline layout, increased difficulty of assembly and maintenance, and increased hydraulic pressure to achieve heat dissipation And the effect of convenient layout, compact structure and high transmission efficiency

Inactive Publication Date: 2015-07-29
JILIN UNIV
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  • Summary
  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Due to the continuous improvement of people's requirements for braking performance, a large number of electronic control systems have been added to traditional hydraulic or air brake technology, such as anti-lock braking system (ABS), traction control system (TCS), and vehicle stability control system (ESP). After waiting, the structure and pipeline layout become more and more complicated, the hidden danger of hydraulic (air) circuit leakage also increases, and the difficulty of assembly and maintenance also increases

Method used

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  • Vehicle electronic mechanical brake actuator
  • Vehicle electronic mechanical brake actuator

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Embodiment Construction

[0016] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] A vehicle electromechanical brake actuator structure, such as figure 1 shown.

[0018] The power source is the motor 2 encapsulated in the motor outer shell 1, the motor 2 is a DC brushless motor, the motor outer shell 1 is connected with the harmonic reducer rigid wheel 3 and the bracket 4 through fastening screws, and the motor outer shell 1 is connected with the harmonic The bolt holes of the rigid wheel 3 of the wave reducer are through holes without threads, while the bolt holes on the bracket 4 are through holes with threads. The bracket 4 is fixedly connected with the brake caliper body 5 through a lock nut 8 .

[0019] The power of the motor 2 is transmitted to the harmonic reducer through the motor shaft 15, wherein the motor shaft 15 is directly connected with the harmonic generator 18 of the harmonic reducer through the tr...

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Abstract

The invention discloses a vehicle electronic mechanical brake actuator. The vehicle electronic mechanical brake actuator comprises the structure that a motor shell is connected with a harmonic gear reducer rigid gear and a bracket through fastening screws; the bracket is fixedly connected with a brake caliper body through a locking nut; power of a motor is transmitted to a harmonic gear reducer through a motor shaft; flexible wheel gears at the two ends of a long shaft are inserted into harmonic gear reducer rigid gear grooves; a flexible gear is connected with a screw nut of a ball screw through a fastening screw to transmit torque; a groove is formed in the screw nut; a bump on the bracket is embedded into the groove and is in clearance fit with the groove; a guide key is arranged between the ball screw and the bracket; the bracket is contacted with the left end of the ball screw; the ball screw is sequentially connected with a linear pushing block, a brake friction block and a brake disc; a brake friction sheet is arranged in a clamping groove of the brake caliper body; a brake disc is fixed to a wheel hub; the linear pushing block is arranged in a cavity of the brake caliper body. The vehicle electronic mechanical brake actuator is simple and compact in structure and good in brake performance.

Description

technical field [0001] The invention belongs to the technical field of automobile brake systems, and relates to a vehicle electromechanical brake actuator. Background technique [0002] The electromechanical brake is to change the part originally driven by hydraulic pressure or compressed air to be driven by an electric motor, so as to improve the response speed and increase the braking efficiency, etc. At the same time, it also greatly simplifies the structure and reduces the difficulty of assembly and maintenance. Due to the continuous improvement of people's requirements for braking performance, a large number of electronic control systems have been added to traditional hydraulic or air brake technology, such as anti-lock braking system (ABS), traction control system (TCS), and vehicle stability control system (ESP). After waiting, the structure and pipeline layout become more and more complicated, the hidden danger of hydraulic (air) circuit leakage also increases, and t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D65/16F16D123/00F16D121/14F16D121/24F16D125/34
Inventor 赵阳邓伟文吴坚谢志伟耿石峰洪涛汶
Owner JILIN UNIV
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