A vehicle steering power-assisted system

A power steering and automobile technology, applied in the direction of steering mechanism, electric steering mechanism, power steering mechanism, etc., can solve the problems of insufficient lightness of steering, small power steering, difficult to control, etc. The effect of small power steering

Pending Publication Date: 2017-11-21
ANHUI ANQING SHASHI AUTO PARTS
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In the existing hydraulic power steering system, since the power steering pump and the engine crankshaft are directly connected through the V-belt transmission, when the vehicle speed is relatively low, the speed of the power steering pump directly driven by the engine is also low due to the low engine speed. It is also small, so that the steering is not light enough when the vehicle is at low speed; when the vehicle is running at high speed, the engine speed is high, and the power steering pump directly driven by the engine is also at high speed. floating, hard to control

Method used

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  • A vehicle steering power-assisted system

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Embodiment Construction

[0015] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, or in a specific orientation. construction and operation, therefore, should not be construed as limiting the invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance.

[0016] In the description of the present...

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Abstract

A vehicle steering power-assisted system comprises a controller, a vehicle speed sensor, a variable-frequency controller, a motor, a gear and a rack, wherein the vehicle speed sensor is electrically connected with the controller, the controller, the variable-frequency controller and the motor are electrically connected in sequence, an output shaft of the motor is in transmission connection with the gear, and the gear is meshed with the rack. According to the vehicle steering power-assisted system, the steering power assisting magnitude can be changed, it is guaranteed that steering is flexible when a vehicle runs at a low speed, steering is stable during high-speed running of the vehicle, and the energy can be saved.

Description

technical field [0001] The invention relates to the technical field of automobile steering systems, in particular to an automobile steering assist system. Background technique [0002] A car steering system is a driving control system that controls the movement of the wheels through the steering wheel to change the direction of the car. Automobile steering system usually adopts mechanical structure to realize automobile steering, but in the case of heavy vehicle, slow speed or sharp turn, mechanical steering system requires the driver to exert a large force on the steering wheel. In order to reduce the strength of the driver's steering wheel, a power steering system is usually set to assist the driver in adjusting the direction of the car. [0003] In the existing hydraulic power steering system, since the power steering pump and the engine crankshaft are directly connected through the V-belt drive, when the vehicle speed is relatively low, the speed of the power steering p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04
CPCB62D5/04B62D5/046
Inventor 沙济祥
Owner ANHUI ANQING SHASHI AUTO PARTS
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