Automobile power steering system development and performance detection platform

Abstract

The invention provides an automobile power steering system development and performance detection platform which comprises a base, wherein a rail disc guide rail is arranged on the base, rail discs are symmetrically arranged in the length direction of the rail disc guide rail, and rail disc horizontal drive devices are connected between the rail discs and the base. The upper surface of each rail disc is symmetrically provided with two arc rail disc sliding grooves in the direction perpendicular to the rail disc guide rail. The two rail disc sliding grooves are respectively provided with a roller set support, the two roller set supports are provided with roller sets, and the roller sets are arranged in wheel tooth-shaped belts in a sleeved mode. Steering wheels are arranged on a front axle and pressed on the tooth-shaped belts, a torque steering wheel is connected with a steering device, a steering column is provided with a hydraulic / electric power mechanism, and the steering device is connected with the steering wheels. An output shaft of a wheel drive servo motor is connected with a main reducer and a differential assembly. The platform on a stage achieves establishment and restoration of complexity of actual running conditions of the steering wheels to the maximum, the structure is simple, and operation is convenient.

Description

technical field [0001] The invention belongs to the technical field of machinery, and in particular relates to a research and development and performance testing platform of an automobile power steering system. This platform is suitable for the development and testing of various forms of automotive power steering systems such as hydraulic power steering systems and electric power steering systems. Background technique [0002] Heavy-duty vehicles or cars equipped with ultra-low pressure tires have relatively high resistance when turning, especially when turning in situ or parking. In order to reduce the fatigue of drivers, especially female drivers, and improve the handling performance and comfort of vehicles, Adopting power steering is a good solution to the problem. At present, the hydraulic power steering system is widely used in heavy vehicles and passenger vehicles, and its technology is mature. In addition, with the improvement of people's awareness of energy saving ...

AI Technical Summary

Problems solved by technology

At present, many domestic manufacturers and scientific research institutions are studying the subject of power steering systems, especially the research and development of electric power steering system (EPS) controllers, and are also developing corresponding test platforms. However, the current platforms of similar platforms The frame is relatively simple, the simulation function is very limited, and the simulation accuracy is not high. For example, the patent application CN202024896U "closed-loop automobile steering system resistance torque simulation device" published on November 2, 2011 can only be used to assist the EPS controller. development and testing of the most basic performance, it is not yet possible to simulate the steering system and the driving environment on the bench

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