Collision test device and method of train equivalent-scaling model

Abstract

The invention relates to a collision test device and method of a train equivalent-scaling model. The device is composed of a control system, a force measuring wall, a train equivalent scaling model, a driving vehicle and a driving vehicle launching system. A track is arranged on the foundation between the driving vehicle launching system and the force measuring wall; and the driving vehicle and the train equivalent scaling model are arranged on the track. The control system is connected with the driving vehicle launching system and a driving vehicle brake unit; the driving vehicle brake unit is arranged on the track between one end, facing the force measuring wall, of the driving vehicle before speeding up and the force measuring wall. Speed measuring and trigger devices are arranged at two sides of the track between the force measuring wall and the driving vehicle brake unit. And a tracking light source and an image collection system are installed above the force measuring wall or at the side of the force measuring wall. In addition, according to the method, the equivalent scaling model moves to hit the force measuring wall or the equivalent scaling model stands still, thereby obtaining relates data of the collision. Therefore, factors causing training climbing, skipping and Z-shaped derail and the like can be determined precisely; the test difficulty is reduced; and the test cost is saved.

Description

technical field [0001] The invention relates to a collision test device and method for a train equivalent scaled-down model. Background technique [0002] Studying the causes and failure modes of train collisions and verifying the impact resistance of trains are important ways to reduce train collision accidents. Because the cost of full-scale train physical crash test is too expensive, the train scale model crash test system and simulation method are new and effective means and methods in the study of train crashworthiness. At present, scale model test technology is widely used in various engineering fields, including aerospace, automobile, vehicle-axle coupling, bridge and tunnel, construction, ammunition, crustal movement, component material properties, etc. For the research on the scale model of trains, Gipson G.S et al. theoretically explained that as long as the physical parameters are reasonably reduced, the derailment, large plastic deformation, fracture failure, co...

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