Horn sounding tester of steering wheel

Abstract

The invention relates to the technical field of machinery, in particular to a horn sounding tester of a steering wheel. A steering wheel clamping device is arranged on a trolley; the bottom of the steering wheel clamping device is an angle-adjustable base; the angle-adjustable base is pivoted with the bottom of a steering wheel rotary part; an adjustable sample clamping device is connected to thesteering wheel; an X / Y / Z three-direction movement device is connected above the adjustable sample clamping device; a vertical-direction movement device in the three-direction movement device is connected with an air cylinder which is arranged in the vertical direction through a rail; a piston rod at the bottom of the air cylinder is connected with a touch pressing head; and the horn sounding tester of the steering wheel comprises a micro computer which is embedded with LabVIEW processing software. Compared with the prior art, the invention has the advantages that: the real vehicle state is simulated, and an angle of the steering wheel is adjusted by using the angle-adjustable base; the X / Y / Z three-dimensional movement of a sounding impact head can be realized; and the horn sounding testerof the steering wheel operates in a high temperature and low temperature interchange environment and is stable in operation performance and accurate in test data.

Description

technical field [0001] The invention relates to the technical field of machinery, in particular to a steering wheel horn sounding test machine. Background technique [0002] With the development of the automobile industry and the improvement of the technical requirements for automobile safety, various automobile steering wheel horn sounding simulation test methods have emerged as the times require. One of the test methods for simulating the sound of the car steering wheel horn is the steering wheel horn test machine. [0003] The requirements for the horn ringing test are: [0004] 1. Use a hemispherical impact head with a diameter of 19mm, according to the actual vehicle conditions in the impact direction and load direction; [0005] 2. Environmental requirements, the temperature can be adjusted from 80° to -35°; [0006] 3. Current 0~5A, Voltage 0~36V, Force 0~100N, Speed ​​0~250mm / s, Displacement 0~500mm, Frequency 10~90cycles / min, 2 counts: horn click count and imp...

AI Technical Summary

Problems solved by technology

[0007] Due to design reasons, the existing testing machine has the following problems: 1. Because the sample holder and impact mechanism are fixed, the impact direction and load direction cannot be adjusted, so the sample cannot be tested in the real vehicle state; 2. The air-cooled impact mechanism is used, and the cooling effect is not ideal; after the impact mechanism is placed in a high and low temperature environment box, the mechanical system becomes dull, resulting in excessive force values

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