Frequency-regulation amplitude-variable automobile suspension characteristic detection table

A technology of automobile suspension and testing platform, which is applied in the direction of vehicle suspension/shock absorbing mechanism testing, vehicle testing, and measuring devices, etc., and can solve problems such as incapable performance of automobile suspension, uncontrollable vibration frequency, and unadjustable eccentricity

Inactive Publication Date: 2007-03-28
JILIN UNIV
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0006] 1. Existing vehicle suspension characteristic test benches can only sweep the left and right wheels from high frequency to low frequency. The vibration frequency cannot be controlled, and the sweep time cannot be controlled.
[0007] 2. The eccentric distance of the eccentric mechanism of the existing automobile suspension characteristic testing platform cannot be adjusted, so the amplitude of the vibrating plate of the testing platform is fixed, and it cannot simulate the actual road conditions for real-time input
[0008] 3. The detection

Method used

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  • Frequency-regulation amplitude-variable automobile suspension characteristic detection table
  • Frequency-regulation amplitude-variable automobile suspension characteristic detection table
  • Frequency-regulation amplitude-variable automobile suspension characteristic detection table

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Embodiment Construction

[0033] The present invention has several implementation modes. Firstly, the specific implementation mode of the over-vehicle protection device combined with the prior art and having frequency modulation, variable amplitude and implementation of new technical solutions will be described.

[0034] From the installation position, the frequency modulation and variable amplitude vehicle suspension characteristic testing platform can be divided into the main machine part installed on the foundation in the pit. The other working part is the measurement and control part, which is installed in a place that is convenient for operation and observation of test conditions, and it mainly solves data collection, analysis and processing, and instruction issuance. The part of the main machine installed on the foundation in the pit is composed of a frame 1 and two sets of the same excitation table 2. This part is the vibration source, which provides input characteristics for simulating the actua...

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Abstract

This invention discloses a property test desk for FM variable amplitude car hangers, which fixes two same sets of exciting desks with FM and variable amplitude function at either end of a straight frame oppositely and the axes of two rotation mandrels contained in the exciting desks share one, the function is realized by the frequency adjust device and the amplitude regulation device, the car protection device is fixed on the base located above two vibration rest frames in the vibration maintenance and a guiding unit and below the vibration board, which realizes the active vibration of right and left exciting desks.

Description

technical field [0001] The invention relates to a detection device for automobile performance, in particular to a detection platform for suspension characteristics of small automobiles. Background technique [0002] At present, domestic and foreign automobile suspension characteristic test benches generally adopt resonant test benches. According to the different detection parameters, the resonant testing platform can be divided into two types: force-measuring and amplitude-measuring testing platforms. Among them, the force-measuring test bench is widely used. [0003] The automobile suspension characteristic dynamometer test bench uses the principle of detecting the wheel and road grounding force to quickly evaluate the quality and performance of the automobile suspension, and uses the measurement standards recommended by the European Shock Absorber Manufacturers Association (EUSAMA). The steady-state load on a car wheel is defined as the static ground force between the wh...

Claims

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Application Information

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IPC IPC(8): G01M17/007G01M17/04
Inventor 苏建许向国张立斌陈熔苏丽俐刘凤勇潘洪达刘玉梅何凤江戴建国
Owner JILIN UNIV
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