Driveway analogue simulation test stand

Abstract

The invention discloses a simulating test table of vehicle channel spectrum. The experimental table comprises a vibrating table (3) and a base (1) set up and down, characterized with: one end of the base (1) exceeds the vibrating table (3) and extends with a vertical plate (9). Four vertical vibrating exciters and a group of vertical extension springs are set between top surfaces of the vibratingtable (3) and the base (1). A horizontal vibrating exciter and a group of vertical extension springs are set between the end face of the vibrating table (3) and the vertical plate (9); each of said four vertical vibrating exciters and a group of vertical extension springs is composed of a stepping motor (4) and a crank swing block mechanism. The test table of the invention under united effect of five vibrating exciters and two groups of vertical extension springs is controlled by corresponding software, capable of simulating movements of lying, bending down, horizontal swing, vertical movement, jump and tumbling and so on when the vehicle steers on actual roadway.

Description

A vehicle road spectrum simulation simulation test-bed technical field The invention relates to an automobile Dow Spectrum simulation test device, which is suitable for testing the influence of road irregularity excitation on the reliability of car interior components or the air flow and pollutant distribution in the car. Background technique The existing road simulation experiment devices can be divided into a simulation test device for defining a road surface by multiple reference systems and a simulation test device for defining a single reference system according to different reference frames defined by the road surface. The Journal of System Simulation disclosed a road simulation shaker designed by Yang Yun et al. (Yang Yun, Shen Yili, Cao Yang, etc. Development of the road simulation shaker and its control system [Journal of System Simulation, 2004, 16(5): 1044 ~1046)]), the vibrating table is a simulation test device defined by the above-mentioned reference system,...

AI Technical Summary

Problems solved by technology

The scheme of this patent application has the advantages of relatively completely simulating the road surface conditions to obtain extreme driving conditions, but its complex structure only needs to test the reliability of the components above the vehicle frame or the air flow and pollution in the vehicle due to the excitation of the road irregularity. It is not necessary for the influence of material distribution, and the performance ratio is greatly reduced

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