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A vehicle crash dynamics test device and test method

A vehicle collision and test device technology, which is applied in the field of collision dynamics test, can solve the problems that the test vehicle and the test car have no protective measures, and the test vehicle cannot conduct value research, etc., so as to save test costs, the overall structure is simple and reasonable, and improve efficiency effect

Active Publication Date: 2017-04-05
CRRC QINGDAO SIFANG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The test rig and the test method can significantly improve the accuracy of the speed control of the test vehicle during the test, but the test vehicle and the test car in the test rig do not have any protective measures, and at the same time, the test rig can only control the test vehicle in the longitudinal direction. research on the dynamic performance of the test vehicle, but it is impossible to conduct value research on the dynamic performance of the test vehicle in the vertical direction

Method used

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  • A vehicle crash dynamics test device and test method
  • A vehicle crash dynamics test device and test method
  • A vehicle crash dynamics test device and test method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Such as figure 1 As shown, a kind of vehicle collision dynamics test device provided by the present invention comprises a test bench 1, a test vehicle 2 and a power vehicle 3, a track 4 is installed on the test bench 1, and the test vehicle 2 and the power vehicle 3 run on the track 4 .

[0033] In order to simplify the test difficulty, the test vehicle 2 adopts a simplified vehicle. The structure, organization and performance of the simplified vehicle are the same as the real vehicle, but the size is scaled down. The front end of the test vehicle 2 is provided with a matching coupler buffer device, a crushing pipe, an end energy-absorbing device, etc. The vehicle body itself has sufficient rigidity as the real vehicle, and each vehicle body is connected by a coupling device. During the collision process, the above-mentioned structures cooperate with each other to absorb energy.

[0034] The power vehicle 3 is installed at the rear of the test vehicle 2 and is driven ...

Embodiment 2

[0059] The box-shaped structure 8 can also adopt an integral structure, regardless of the upper and lower parts. When testing the longitudinal and vertical dynamic performance of the test vehicle 2 at the same time, the two box-shaped structures 8 can be turned upside down as a whole, and the upper top plate 10 The mounting holes 14 on the extensions 12 on both sides are fixed on the test bench 1 by bolts.

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Abstract

The invention relates to a vehicle collision dynamic test device and method. The vehicle collision dynamic test device comprises a test bed and a tested vehicle, wherein the tested vehicle runs along a track. The vehicle collision dynamic test device is characterized by further comprising a protective device, the protective device extends in the longitudinal direction of the tested vehicle and is wholly portal-shaped, and the tested vehicle runs in the space defined by the protective device. The vehicle collision dynamic test device is simple and reasonable in whole structure and convenient to install and operate and can effectively ensure the safety of a multiple-vehicle collision dynamic test and the stability of the whole structure. Multiple-vehicle-body longitudinal dynamic test study can be performed, study on contents of longitudinal and vertical dynamic tests of multiple vehicle bodies can be further achieved through simple turnover and inversion of the protective device, study on different property tests can be completed within short time, the efficiency of test study can be improved, test cost can be effectively saved, a basis can be provided for vehicle dynamic simulating calculation, and further the reliability of a train energy distribution scheme can be ensured.

Description

technical field [0001] The invention relates to a vehicle collision dynamics test device and a test method, belonging to the technical field of collision dynamics tests. Background technique [0002] With the continuous development of my country's rail transit industry, especially the popularization of high-speed EMUs in China, more and more people pay attention to the safety of vehicle operation, and vehicle collision safety is a very important part of vehicle operation safety. [0003] Train collision safety protection technology is divided into two aspects: "active safety protection technology" and "passive safety protection technology". "Active safety protection technology" is necessary for safe operation of trains. Proper use can effectively prevent collision accidents. It mainly includes train grid and train control technology, reasonable and sound railway signal and alarm system, railway boundary safety protection, etc. But "active safety protection technology" is no...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M7/08G01M17/08
Inventor 车全伟张寅河梁建英丁叁叁龚明田爱琴
Owner CRRC QINGDAO SIFANG CO LTD
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