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Bolt hanging is one of the common ways of rail vehicle hanging equipment. In this paper, the assembly structure of a type of EMU and converter is taken as the research object, and the load values at the four suspension points are calculated by theoretical calculations. A simulation model of a single hanger is established, and the simulation is determined by reference to the theoretical calculation under working conditions, the stress distribution at the hanging points under different loads was studied. The results show that under different loading conditions, the stress distribution of beam is basically the same. The maximum stress of the beam occurs at the point where it contacts the bolt head. Compared with other regions, the stress at the corner of the T-slot of the beam is also larger.

Research of Installation Stress of EMU Aluminum Alloy Beam and its Connecting Structure