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Test bed for leaf spring for automobile suspension

The technology of a leaf spring and a test bench is applied to the test bench of an automobile suspension leaf spring, and the field of the test bench in the design and manufacture of the leaf spring of the automobile suspension, which can solve the deviation of the test accuracy and cannot simulate the working state of the leaf spring. and other issues to achieve the effect of improving efficiency and reducing development costs and cycles

Active Publication Date: 2015-09-30
HUNAN UNIV AISHENG AUTO TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, it is very important to develop a new type of accurate leaf spring test bench to solve the problems that the current bench cannot simulate the actual working state of the leaf spring and the deviation of test accuracy.

Method used

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  • Test bed for leaf spring for automobile suspension
  • Test bed for leaf spring for automobile suspension
  • Test bed for leaf spring for automobile suspension

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Experimental program
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Effect test

Embodiment Construction

[0030] The leaf spring test bench of the present invention is an innovation for possible problems in the experimental data of the existing traditional leaf spring test bench.

[0031] Such as figure 1 Shown is the structure diagram of the leaf spring test bench of the present invention, the test bench can be applied to various types of leaf springs, and leaf springs of different lengths can be installed in the width direction of the bench. Such as Figure 4 As shown, the coordinate system of the leaf spring test bench, the X direction, the Y direction and the Z direction represent the transverse, longitudinal and vertical directions respectively.

[0032] Such as figure 1As shown, the automobile suspension leaf spring test bench of the present invention includes a main console 16, a column 1 on the main console 16 and a test bench frame bearing beam 7, and the main loading hydraulic cylinder fixed bracket 2 is located at the column 1 The upper part of the main loading hydra...

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Abstract

The invention relates to development of a novel test bed for a leaf spring for an automobile suspension. The test bed is characterized in that the test bed can accurately simulate suspension leaf spring stiffness performance and perform fatigue life tests. The test bed can accurately extract a mounting hard spot of the leaf spring and accurately simulate an actual automobile mounting environment, the leaf spring is mounted through front and back lug supports, stress and jump of the leaf spring during loading completely conform to the actual automobile state, so that the actual stress of the leaf spring is simulated accurately, and the accuracy of the leaf spring bed tests is improved. The novel bed can quickly and accurately extract leaf spring performance data and perform fatigue tests at the automobile design stage and precisely simulate the motion track and stress of the leaf spring in an actual working condition; the test equipment is applicable to various leaf springs, integrates a static stiffness test and a fatigue test of the leaf spring, accurately reflects the problem about design of state leaf springs and can assist an automobile enterprise in discovering problems at the design stage to a great extent, the product quality is improved, the whole automobile development period is shortened, and the cost and risks are reduced.

Description

technical field [0001] The invention relates to a test bench for automobile suspension leaf springs, in particular to a test bench for the design and manufacture of automobile suspension leaf springs, and belongs to the technical field of automobile manufacturing and testing. Background technique [0002] Leaf spring is one of the most widely used springs in automobile suspension system. In addition to acting as an elastic element, it also acts as a guiding system, and the friction between multiple leaf springs also acts as a damping system. Because of its simple structure, convenient maintenance and relatively low cost, the leaf spring has been widely used in the field of automobiles, especially in trucks and mini-cars. [0003] The country has legal requirements for the test of the leaf spring of the automobile suspension. The main engine factory will carry out the fatigue test of the leaf spring in advance before the relevant institutions stipulated by the state, and carr...

Claims

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Application Information

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IPC IPC(8): G01M13/00
Inventor 康百川王彬宋凯杨光德唐慎玉伍初东
Owner HUNAN UNIV AISHENG AUTO TECH DEV
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