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Electromechanical brake and automobile

An electronic mechanical brake and brake technology, which is applied in the direction of mechanical equipment, brake actuators, gear transmission mechanisms, etc., can solve the problems of inability to achieve braking, poor braking effect, and small braking clamping force, etc. Good dynamic effect, reduced output power, and adjustable brake clearance

Active Publication Date: 2012-04-11
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the braking clamping force generated by the motor transmission torque is small, and it cannot be braked under a large braking clamping force, and the braking effect is poor.

Method used

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  • Electromechanical brake and automobile
  • Electromechanical brake and automobile
  • Electromechanical brake and automobile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Such as figure 1 As shown, in this embodiment, the electromechanical brake includes a brake caliper body 4, a brake disc 1, a friction plate 2, a power mechanism that can push the friction plate 2 forward to clamp the brake disc 1, and can automatically The gap self-adjusting mechanism 3 for adjusting the braking gap between the moving mechanism and the friction plate 2.

[0032] Wherein, the power mechanism includes a motor 9, an electromagnetic clutch 7, a torque amplification mechanism, a motion mechanism for converting the rotational motion of the motor 9 into a linear motion, and an elastic mechanism.

[0033] In this embodiment, the torque amplification mechanism adopts a reduction mechanism 8, the input end of the reduction mechanism 8 is connected to the output shaft of the motor 9, and the output end of the reduction mechanism 8 is connected to the input end of the motion mechanism, so the motor 9 The rotation output torque is output to the kinematic mechanism...

Embodiment 2

[0051] The difference between this embodiment and Embodiment 1 is that this embodiment does not have the gap self-adjusting mechanism 3 in Embodiment 1. Wherein, the front end of the rotating shaft 6 can directly contact with the friction plate 2, and the brake can be realized by eliminating the gap between the brake disc 1 and the friction plate 2.

[0052] Other structures and uses in this embodiment are the same as those in Embodiment 1, and will not be repeated here.

Embodiment 3

[0054] The difference between this embodiment and Embodiment 1 is that this embodiment does not have the elastic mechanism in Embodiment 1.

[0055] Other structures and uses in this embodiment are the same as those in Embodiment 1, and will not be repeated here.

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PUM

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Abstract

The invention provides an electromechanical brake which comprises a braking caliper body, a braking disc, a friction plate and a power mechanism, wherein the power mechanism can push the friction plate to move forwards so as to clamp the braking disc; the power mechanism comprises a motor and a moving mechanism which is connected with the output end of the motor; the friction plate is arranged in the front of the moving mechanism; the power mechanism also comprises an elastic mechanism which is sleeved on the moving mechanism and limited between inner surfaces of the moving mechanism and the braking caliper body; before the moving mechanism moves forwards, the elastic mechanism is in a compression state; and when the moving mechanism performs linear movement forwards, elastic potential energy in the elastic mechanism is released so as to push the moving mechanism to move forwards in a accelerating way. Accordingly, the invention provides an automobile which comprises the brake. The brake generates braking clamping force through coupling output torque of the elastic mechanism and the motor; when the motor outputs lower power, larger braking clamping force is realized; the response time of a braking system is shortened; and a braking effect is better.

Description

technical field [0001] The invention belongs to the technical field of automobile manufacturing, and in particular relates to an electromechanical brake and an automobile including the electromechanical brake. Background technique [0002] With the development of automobile technology, people have put forward higher requirements for the power, economy, safety, maneuverability and comfort of automobiles. The mechanical system in automobiles is gradually converting to electromechanical systems, and more efficient, Energy-saving electro-mechanical braking system. [0003] The electromechanical braking system uses electronic components to replace some mechanical components, and replaces all the brake pipelines with wires, which saves a lot of valve components in the braking system, shortens the braking response time, improves the braking performance, and saves In addition, the electronic control unit ECU is used for the overall control of the braking system, and each brake has ...

Claims

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Application Information

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IPC IPC(8): F16D65/18F16D121/24
Inventor 高国兴杜金枝王陆林张世兵
Owner CHERY AUTOMOBILE CO LTD