Disc-type servomotor direct-driving device suitable for self-adaptable power-assisted steering of automobile

A power steering and servo motor technology, which is applied to electromechanical devices, electric steering mechanisms, electrical components, etc., can solve the problems of slow response, large space occupation, and complicated mechanism, and achieves the effect of fast response speed, simple loop and small size

Inactive Publication Date: 2013-07-10
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current automobile steering control system has the disadvantages of complex mechanism, large space occupation and slow response

Method used

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  • Disc-type servomotor direct-driving device suitable for self-adaptable power-assisted steering of automobile
  • Disc-type servomotor direct-driving device suitable for self-adaptable power-assisted steering of automobile
  • Disc-type servomotor direct-driving device suitable for self-adaptable power-assisted steering of automobile

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] refer to figure 1 , a disc servo motor direct drive device suitable for automobile adaptive power steering, including a rack shaft 12, the left end of the rack shaft 12 is connected to the left steering wheel 14 through the left tie rod 10, the left trapezoidal arm 11 in turn, and the gear The rack on the bar shaft 12 meshes with the gear at one end of the pinion shaft 13, the other end of the pinion shaft 13 is connected through the universal joint 15, the steering column 2 and the steering wheel 1 in turn, and one end of the right tie rod 9 is passed through the right steering trapezoidal arm 8 is connected to the right steering wheel 7, the right end of the rack shaft 12 is connected to the other end of the right tie rod 9 through the first power booster motor connection mechanism, and the torque sensor 3 installed on the steering column 2 is connected to t...

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Abstract

The invention relates to a disc-type servomotor direct-driving device suitable for self-adaptable power-assisted steering of an automobile. The disc-type servomotor direct-driving device comprises a rack shaft, wherein the right end of the rack shaft is connected with the other end of a right horizontal pull rod through a first power-assisting motor connecting mechanism or a second power-assisting motor connecting mechanism; a torque sensor installed on a steering column is connected with a disc-type motor of the first power-assisting motor connecting mechanism or the second power-assisting motor connecting mechanism through an electronic control unit; and power provided by the disc-type motor for steering is adopted to reduce the hand power of an operator for steering, and when the operator rotates a steering wheel leftward or rightward, the first power-assisting motor connecting mechanism or the second power-assisting motor connecting mechanism provides the rack shaft and the right horizontal pull rod with power for leftward movement or rightward movement, so as to enable s left steering wheel and a right steering wheel to rotate. The disc-type servomotor direct-driving device provided by the invention has the advantages of simple mechanism, small occupied space and quick response speed.

Description

technical field [0001] The invention relates to the field of automobile steering systems, in particular to a disc servo motor direct drive device suitable for automobile adaptive power steering. Background technique [0002] The electric power steering system (EPS) is based on the traditional mechanical steering system, according to the torque signal acting on the steering wheel and the vehicle speed signal, the electronic control device makes the motor generate an auxiliary force of corresponding magnitude and direction to assist the driver A servo system that performs steering operations and obtains the best steering characteristics. The electric power steering system can provide the best power assistance under various driving conditions, reduce the disturbance to the steering system caused by uneven road surfaces, improve the steering characteristics of the car, reduce the steering force when the car is running at low speed, and improve the speed of the car when driving a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D5/04H02K7/10
Inventor 赵升吨赵磊张崎井庆祝王增宝马海宽
Owner XI AN JIAOTONG UNIV
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