Design and Mechanical Properties Analysis of Variable Buffer-Force Planing Energy-Absorbing Device for Rail Vehicles
Source abstract
Abstract
Collisions between rail transit vehicles are unavoidable. In order to alleviate the disaster caused by the collision, energy-absorbing and shock-absorbing materials are generally installed at the front end of the rail vehicle. In this paper, a variable buffer-force planing energy-absorbing device for rail transit vehicles was prepared. The buffer force was changed by length (Dx), angle (A) and thickness (W). First, we manufactured one type of material, and data were obtained through experimentation. Second, we used Ls-DYNA to simulate this material, and determined the accuracy between the simulation and the test. Third, various parameters of the material were simulated by Ls-DYNA. The results show that changing Dx greatly affects the performance of the material, W has no obvious effect on the performance, and A is important for the materials properties. Based on finite element simulation, the functional model relationship between the average force and various parameters was deduced. This lays the groundwork for the application of the variable buffer-force planing energy absorbing device.
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Research context
OpenAlex topics: Transportation Safety and Impact Analysis · Cellular and Composite Structures · High-Velocity Impact and Material Behavior
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Mechatronics Engineering, Harbin Institute of Technology, Harbin 150001, China
Shenzhen Cansinga Technology Co., Ltd., Shenzhen 518000, China
School of Mechanical Engineering, Shandong University of Technology, Zibo 255000, China
References (40)
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