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Vehicle steering device and control method

A technology of a steering device and a control method, which is applied in the direction of a fluid steering mechanism, etc., can solve problems such as high price, unrealizable functions, and low reliability of a two-way plunger pump, and achieve the effects of simple structure, low implementation cost, and convenient installation

Active Publication Date: 2016-03-30
河北雷萨重型工程机械有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this structure requires a bidirectional radial piston pump with suitable performance and reliable quality. Without a suitable bidirectional piston pump, this function cannot be realized
The price of existing plunger pumps is usually high, and when using a two-way plunger pump, a specific axle is required to match the two-way plunger pump, and the reliability of the two-way plunger pump is not high during use

Method used

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  • Vehicle steering device and control method
  • Vehicle steering device and control method
  • Vehicle steering device and control method

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Embodiment Construction

[0023] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0024] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying Describes, but does not indicate or imply that the device or element referred...

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Abstract

The invention discloses a vehicle steering device and a control method. The vehicle steering device comprises a steering control mechanism, a steering power assisting mechanism connected with the steering control mechanism, a steering transmission mechanism connected with the steering power assisting mechanism and wheels of the vehicle and a bidirectional acting air cylinder, wherein the bidirectional acting air cylinder is provided with a first cavity and a second cavity and connected with the steering transmission mechanism so as to follow with the steering transmission mechanism when the steering power assisting mechanism works and drive the steering transmission mechanism to perform action and drive the wheels to sheer off when the steering power assisting mechanism stops working. Emergent steering of the wheels of the vehicle is performed by using the bidirectional acting air cylinder of the vehicle steering device, and the bidirectional acting air cylinder is simple in structure and is conveniently installed on a vehicle body of the vehicle. In addition, the bidirectional acting air cylinder is also conveniently connected with the steering transmission mechanism so as to be matched with the steering transmission mechanism, the implementation cost is low, and the reliability during working is high.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to a vehicle steering device and a control method for the vehicle steering device. Background technique [0002] "GB / T7258" stipulates that "when turning at a speed of 10km / h and a turning diameter of 24m, the steering force should be less than 588N when the power steering fails, and the action time should not exceed 6 seconds." In order to comply with this regulation, the usual structure is: the power port is drawn out from the wheel rotation system, a two-way radial piston pump is added, and it is connected in parallel with the engine steering pump through the confluence valve to ensure the required flow of the system. However, this structure requires a bidirectional radial piston pump with suitable performance and reliable quality. Without a suitable bidirectional piston pump, this function cannot be realized. The price of the existing plunger pump is usually very high, and when using...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D5/06B62D5/18
Inventor 徐加凌唐玲
Owner 河北雷萨重型工程机械有限责任公司
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