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Air bag type floating loading mechanism

A loading mechanism and airbag-type technology, which is applied in the field of airbag-type floating loading mechanism, can solve the problems of unpublished bridge durability wheel load test device loading mechanism, etc., and achieve the effect of reducing self-weight, reducing running resistance, and authentic experimental data

Pending Publication Date: 2022-07-15
SHANDONG JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no experimental device for the bridge durability wheel load test in the prior art, and the prior art does not disclose a loading mechanism for the bridge durability wheel load test device and simulated vehicles repeatedly rolling the bridge and the road surface

Method used

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  • Air bag type floating loading mechanism
  • Air bag type floating loading mechanism
  • Air bag type floating loading mechanism

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The upper end of the airbag 2 is sealed and fixed at the bottom of the first loading wheel box seat 401. The left and right ends of the first loading wheel box seat 401 are each supported by two pins through bearings to support the four first loading wheels 301. The lower end of the airbag 2 is connected to the airbag bottom plate. 201 is sealed and seated on the loading body 1. The left and right ends of the first loading wheel box seat 402 are also supported by two pin shafts through bearings, respectively, and the two second loading wheels 302 are supported. The first loading wheel box seat 402 is hinged to the upper surface of the loading body 1 through the shaft pin sensor 7 101; One end of the bridge deck reaction force of the loading body 1 is applied by the rolling wheel 8, the suspension, the loading body 1, the airbag bottom plate 201, the airbag 2, the first loading wheel box seat 401, the pin shaft, the bearing, and the first loading wheel 301 On the track, ...

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Abstract

The invention discloses an air bag type floating loading mechanism, and belongs to the technical field of bridge experiment equipment. The invention discloses an air bag type floating loading mechanism which comprises a loading main body, a loading wheel, a rolling wheel, an air bag and a pressure sensor, the loading wheel is arranged on the upper surface of the loading main body; a first central shaft of the loading wheel is parallel to the upper surface and is vertical to the length direction of the loading main body; the loading wheels comprise a first loading wheel and a second loading wheel, the first loading wheel is located at the left part of the upper surface, and the second loading wheel is located at the right part of the upper surface; the rolling wheel is arranged on the lower surface; a second central shaft of the rolling wheel is parallel to the first central shaft; the air bag is arranged between the first loading wheel and the upper surface; the pressure sensor is connected between the second loading wheel and the upper surface. The air bag type floating loading mechanism is used in bridge durability wheel load experiment equipment, a loading wheel is in floating uniform force contact operation with a track, and a plurality of rolling wheels are in floating uniform force contact operation with a bridge floor; and the application range of the loading vehicle is expanded.

Description

technical field [0001] The invention relates to an airbag-type floating loading mechanism, which belongs to the technical field of bridge experimental equipment. Background technique [0002] Bridge durability wheel load test is to test and test the durability of solid bridges and pavement materials and structures of different lengths. In the process of bridge durability wheel load experiments, it is necessary to simulate the process of vehicles repeatedly rolling over bridges and pavements. At present, there is no experimental device for bridge durability wheel load experiment in the prior art, nor does the prior art disclose a loading mechanism used for bridge durability wheel load experiment device or simulating vehicle for repeated rolling of bridges and pavements. SUMMARY OF THE INVENTION [0003] The purpose of the present invention is to overcome the above-mentioned deficiencies of the prior art, and to provide a loading mechanism for a bridge durability wheel load...

Claims

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Application Information

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IPC IPC(8): G01M5/00G01N3/36G01N3/04
CPCG01M5/0008G01N3/36G01N3/04G01N2203/0676G01N2203/0073
Inventor 冯冰张鹏阮久宏贾倩管志光张吉卫杨福广王刚吴清珍国兴玉冯晋祥韩鹰王慧君
Owner SHANDONG JIAOTONG UNIV
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