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Passenger vehicle body structure torsion rigid test restraining and loading device

A loading device and torsional stiffness technology, which is applied in the testing of machines/structural components, measuring devices, and vehicle testing, can solve problems such as the high price of general-purpose hydraulic force devices, the influence of restraint devices and the stiffness of loading devices, etc., and meet the requirements of The effect of test accuracy and reliability, cost reduction, and strong versatility

Inactive Publication Date: 2003-03-26
TSINGHUA UNIV
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  • Application Information

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Problems solved by technology

[0004] (2) The rigidity of its restraint device and loading device cannot affect the test results
The general hydraulic force tester can not only be used to test the torsional stiffness of the body-in-white, but also can be used for other tests, but the general hydraulic force tester is expensive, and a hydraulic force tester that can be used for the torsional stiffness test of the body-in-white structure is priced at 300,000 RMB about

Method used

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  • Passenger vehicle body structure torsion rigid test restraining and loading device
  • Passenger vehicle body structure torsion rigid test restraining and loading device
  • Passenger vehicle body structure torsion rigid test restraining and loading device

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Embodiment Construction

[0027] The device comprises two parts, a restraint device and a loading device fixed on the workbench. The specific structure and preferred mode of the present invention are further described below in conjunction with the accompanying drawings:

[0028] 1. Constraint device: such as figure 1 , figure 2 Shown, this device is made up of left and right rear support 4,6 and connecting part 3,7. On the left and right rear suspensions on the vehicle body, the support position (the connecting surface of the suspension top and the vehicle body) is connected with the bearing by the connecting part, and the connecting parts 3, 7 can adopt the hinge that only allows the vehicle body to rotate around the X axis passing through the connecting point. The left and right rear supports 4 and 6 are fixed on the T-shaped worktable whose fixed position can be adjusted, and can adapt to different vehicles by adjusting the fixed positions of the left and right rear supports.

[0029] 2. Loading ...

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Abstract

This invention relates to a restraining and loading devices for flexural stiffness test to passenger white car body structure containing a restraining device and a loading device fixed on the working table in which the restraining device comprises adjustable right and elft rear bearing and connection component connecting the bearing and bearing position on the right and left rear hanger and the said loading device comprises adjustable force transferring unit and lead-serew forcing device. Compared with the present flexural stiffness test device for passenger white car body widely used in our country and abroad, this invented device is in common use (not necessary to develop specific clamping devices and force transferring units to different types of cars) with tremedous low cost.

Description

technical field [0001] The invention relates to a torsional stiffness test restraint and loading device for a body-in-white structure of a passenger car, belonging to the technical field of automotive product testing. Background technique [0002] Torsional stiffness is one of the properties that must be met by the body-in-white structure of a passenger car. In the development process of passenger car products, it is necessary to test the torsional stiffness of the body-in-white structure to evaluate whether the developed body-in-white structure meets the performance requirements of torsional stiffness. Therefore, the torsional stiffness test system of the body-in-white structure is an indispensable equipment for the development of passenger car products. The restraint and loading device is the main equipment of the body-in-white structure torsional stiffness test system. In "Automobile Strength" edited by the Japan Automotive Technology Association and "Automotive Design"...

Claims

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Application Information

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IPC IPC(8): G01L5/00G01M5/00G01M17/00
Inventor 范子杰陈宗渝
Owner TSINGHUA UNIV
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