A correction method for automobile steering mechanism
A technology of steering mechanism and correction method, applied in the direction of angle/taper measurement, etc., can solve the problems of different left and right deflection angles of wheels, deviation of automatic steering wheel return ability, etc., to improve maneuverability, small relative slip, The effect of reducing the probability of traffic accidents
Active Publication Date: 2019-04-16
绍兴熔岩机械有限公司
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Problems solved by technology
When the driver deflects the steering wheel clockwise and counterclockwise at the same angle, if the position of the tie rods on both sides of the car steering mechanism is not accurate, the angles of deflection of the wheels to the left and right will be different, which will increase the probability of traffic accidents. Self-correcting ability can also produce deviations
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[0026] Such as Figure 1 to Figure 6 Shown, be a kind of correction method for automobile steering mechanism involved in the present invention, comprise the steps:
[0027] (a) Install the automobile steering mechanism: connect the steering wheel 1 to the recirculating ball steering system 2. The recirculating ball steering system 2 is one of the most widely used structural types at home and abroad. Generally, there are two-stage transmission pairs. The first stage It is the screw nut transmission pair, and the second stage is the rack and pinion fan transmission pair. In order to reduce the friction between the steering screw and the steering nut, the threads of the two are not in direct contact, and multiple steel balls are installed between them to achieve rolling friction. Both the steering screw and the nut are machined with cross-sectional profiles, which are approximately semicircular spiral grooves composed of two or three non-concentric arcs. The helical grooves of ...
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The invention discloses an automobile steering mechanism correction method comprising the following steps: (a) an automobile steering mechanism is installed, (b) a measurement mechanism is installed, (c) a slide rail and a pressure transducer are mounted, (d) wheel alignment is conducted via the pressure transducer, (e) a steering wheel rotary angle transmitter is mounted on a steering wheel, and (f) the automobile steering mechanism is detected and corrected. According to the automobile steering mechanism correction method, a deflection angle and an arrangement altitude of the pressure transducer are consistent with distance between the pressure transducer and automobile wheels, automobile wheel data detected via the pressure transducer is enabled to have reference value, horizontal positions of two horizontal pull rods on a positive track gauge rod can be respectively corrected via deflecting force of the steering wheel which rotates clockwise and deflecting force of the steering wheel which rotates anticlockwise, that relative sliding between automobile wheels and a ground surface is enabled to be as small as possible during automobile turning processes can be ensured, probability of traffic accidents can be lowered, good automatic returning capability of the steering wheel can be achieved, and maneuvering performance of an automobile can be improved.
Description
technical field [0001] The invention relates to the technical field of automobile device calibration, in particular to a calibration method for a steering mechanism of an automobile. Background technique [0002] The vehicle steering mechanism is a mechanism used to control the driving direction of various wheeled or tracked vehicles. [0003] During the driving process of the car, it is necessary to change its driving direction frequently according to the will of the driver, which is the so-called car steering. As far as wheeled vehicles are concerned, the way to achieve vehicle steering is that the driver deflects the wheels (steering wheels) on the vehicle steering axle (generally the front axle) at a certain angle relative to the longitudinal axis of the vehicle through a set of special mechanisms. When the car is running in a straight line, the steering wheel is often affected by the lateral disturbance force of the road surface, and automatically deflects to change th...
Claims
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IPC IPC(8): G01B5/25
CPCG01B5/25
Inventor 丁元超杨建军
Owner 绍兴熔岩机械有限公司