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Automobile electronic mechanical brake system wheel rim self-powered type brake executing mechanism

A technology of mechanical braking and automotive electronics, applied in the direction of brake actuators, gear transmission mechanisms, mechanical equipment, etc., can solve problems such as inability to shunt currents, and achieve the effects of reduced wear, compact structure, and rapid dynamic response

Active Publication Date: 2017-02-15
JIANGSU UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the current EMB systems are single-motor actuators, which fail to make full use of the vehicle's braking energy to drive the friction brake, and cannot share the vehicle's braking load to reduce the wear of the friction brake pair.
So far, the wheel self-powered brake actuators of automotive electromechanical brake systems have rarely been mentioned.

Method used

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  • Automobile electronic mechanical brake system wheel rim self-powered type brake executing mechanism
  • Automobile electronic mechanical brake system wheel rim self-powered type brake executing mechanism
  • Automobile electronic mechanical brake system wheel rim self-powered type brake executing mechanism

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Experimental program
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Embodiment Construction

[0027] In describing the present invention, it is to be understood that the terms "radial", "axial", "upper", "lower", "top", "bottom", "inner", "outer" etc. indicate orientation Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation , and therefore cannot be construed as a limitation of the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0028] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "setting", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detac...

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Abstract

The invention relates to the technical field of vehicle brake, in particular to an automobile electronic mechanical brake system wheel rim self-powered type brake executing mechanism. The mechanism comprises a brake executing part and a regenerative motor part. The brake executing part comprises a stepping motor, a planetary gear mechanism, a lead screw and nut mechanism, a brake caliper body and the like. The regenerative motor part comprises an electromagnetic clutch and a regenerative motor. The electromagnetic clutch and the regenerative motor are arranged in the axial direction of the brake disc. When an automobile is braked, the electromagnetic clutch is preferentially controlled to be engaged, the brake disc drives the regenerative motor to rotate, automobile brake energy is converted into electric energy, and brake torque is provided. When the brake torque provided by the regenerative motor is not enough, the stepping motor is controlled to rotate, and a friction block is pushed by the planetary gear mechanism and the lead screw and nut mechanism to the brake disc to implement friction brake. The automobile electronic mechanical brake system wheel rim self-powered type brake executing mechanism has the advantages of being compact in structure, convenient to arrange, good in dynamic property, easy to integrate and control and the like, and recycled brake energy can be directly utilized for driving the brake executing mechanism to act.

Description

technical field [0001] The invention relates to the technical field of vehicle braking, in particular to a wheel-edge self-powered braking actuator of an automotive electromechanical braking system. Background technique [0002] The braking system is one of the important components of the automobile chassis, which is directly related to the comprehensive performance of the automobile and the safety of life and property. Although the traditional hydraulic and pneumatic braking systems can meet the requirements of the existing braking regulations, there are complex pipeline arrangements, relying on vacuum booster devices, slow braking response speed, non-active adjustment of braking torque, and difficulty in matching Inadequacies such as other system integration control are not suitable for the development requirements of automobile, especially electric vehicle chassis integration control. [0003] The electronically controlled braking system realizes the decoupling of the br...

Claims

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Application Information

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IPC IPC(8): F16D55/225F16D61/00F16D65/18F16D65/847F16D66/02F16D121/24F16D121/14F16D123/00
CPCF16D55/225F16D61/00F16D65/18F16D65/847F16D66/022F16D2065/783F16D2121/14F16D2121/24F16D2123/00
Inventor 王奎洋张兰春邵超超赖晓杰王忠收童欣卞军军唐金花
Owner JIANGSU UNIV OF TECH
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