Pulley wire-type driver robot for vehicle tests

Abstract

The invention belongs to the technical field of automatic driving devices for vehicle tests and relates to a pulley wire-type driver robot for vehicle tests, and the robot comprises a fixed bottom plate, a rotating bottom plate arranged on the fixed bottom plate, clutch mechanical legs of the same structure, a brake mechanical leg, a throttle mechanical leg and a shifting mechanical arm, wherein the individual mechanical legs are arranged on the rotating bottom plate and driven by corresponding driving units of the same structure to perform reciprocating linear motion along a pedal pressing direction; each mechanical leg comprises a telescopic link outer tube, a telescopic link inner tube, a spherical universal joint and a clamping plate for fixing the mechanical leg on a pedal; and the driving unit comprises a servomotor, a speed reduction unit, a driving rod, a compression spring, a steel wire rope, a large pulley and a small pulley. The pulley wire-type driver robot for the vehicle tests has the advantages of occupying less space, having light weight and long service life and being installed rapidly and conveniently.

Description

technical field [0001] The invention relates to an electric driving device capable of replacing human drivers in automobile tests. The invention belongs to the technical field of automatic driving devices for automobile testing. Background technique [0002] In recent years, the rapid growth of car ownership has led to the gradual emergence of pollution problems caused by harmful substances in car exhaust. For this reason, the state promulgated and implemented strict vehicle emission standards to limit the content of harmful substances in exhaust gas. The durability cycle test takes a long time. During the test, the accuracy and repeatability of vehicle speed tracking depend on the driving skills and reaction speed of the test personnel, and the cycle speed is constantly changing. The test requires that the vehicle speed error must be controlled within 2km / h , thus reducing the reliability of the emission test data. The noise from the dynamometer equipment, the pollution ...

AI Technical Summary

Problems solved by technology

[0006] For the mechanical transmission form of the car test driving robot, the rack and pinion type can be used. The advantage of this form is accurate positioning, but the disadvantage is that the structure is complex, the rack stroke is large, and the size of the whole machine is large; the angle control two-force rod type has the advantages of The structure is simple and maintenance-free, but the control is complex; the pulley wire type has a compact structure, reduces the overall volume, is easy to install and maintain, and has precise control

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