Quasi-static compression test device for anti-collision column of end wall of vehicle body
A technology of compression test and anti-collision column, which is applied in the direction of measuring device, railway vehicle test, mechanical component test, etc., can solve the problems of poor universality of test device and achieve good universality
Active Publication Date: 2021-12-21
CRRC TANGSHAN CO LTD
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[0005] The embodiment of the present application provides a quasi-static compression test device for the anti-collision column of the car body end wall, which is mainly used to solve the problem of poor universality of the test device in the related technology
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[0031] In the relevant test standards for rail vehicles, the quasi-static compression test of the anti-collision column at the end wall of the car body needs to be carried out using a full-scale model of the entire vehicle or the driver's cab. The test using the model requires a redesign of the mold, which is arranged separately. The material increases the operating procedure, so the whole vehicle is generally selected for the test in the actual test.
[0032] In the scheme of the related art, the quasi-static compression test of the anti-collision column on the end wall of the car body usually uses a rigid wall as the restraint end, the end wall on one side of the car body is abutted against the rigid wall, and the loading device is installed on the other side of the car body. Side load is applied. The loading device is connected to the foundation through the fixing base, and the fixing base and the foundation are connected and fixed by anchor bolts. A load sensor and a disp...
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The embodiment of the invention provides a quasi-static compression test device for an anti-collision column of an end wall of a vehicle body. Thequasi-static compression test device comprises a main body frame and a loading device; the main body frame comprises a first rod piece, a second rod piece, a fixed part and a movable part; the second rod piece and the first rod piece are oppositely arranged; the fixed part and the movable part are arranged at the two ends of the first rod piece and the second rod piece respectively, the loading device comprises a support and a loading assembly, the first end of the support abuts against the movable part, the loading assembly is arranged at the second end of the support, and the loading assembly is used for applying a load to a to-be-tested vehicle body. The loading assembly is provided with a load sensor used for recording the load applied by the loading assembly and a displacement sensor used for recording the displacement of the output end of the loading assembly. By adopting the scheme of the embodiment of the invention, the device can be suitable for the test of to-be-tested vehicle bodies with different lengths, and is good in universality.
Description
technical field [0001] The present application relates to a quasi-static compression test technology for a rail vehicle, in particular to a quasi-static compression test device for an anti-collision post on a car body end wall. Background technique [0002] The end wall is an important part of the rail vehicle body, and the strength of the end wall directly affects the overall strength of the car body. Among the parts that make up the end wall, the anti-collision column is the main pressure bearing and absorbing part, so measuring the energy that can be absorbed by the end wall anti-collision column can reflect the overall strength of the car body end wall to a certain extent. At present, the quasi-static compression test method is generally used to measure the energy that can be absorbed by the anti-collision pillars of the end wall of the car body, that is, to apply a large load to the anti-collision pillars of the end wall of the car body, and record the plasticity of the...
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Login to View More IPC IPC(8): G01M17/08G01M13/00
CPCG01M17/08G01M13/00
Inventor 霍鑫龙丁学彬王云峰薛彬彬黄金宝郭强薛春生
Owner CRRC TANGSHAN CO LTD