Research on a Method for Adjusting Preloading Parameters of Urban Rail vehicle doors

The passenger compartment door is an important facility for ensuring the safe operation of urban rail vehicles.There are a large number of doors in the passenger compartment of urban rail vehicles, with a large effective opening and uniform distribution, which requires high reliability to ensure the safety of passengers.According to the statistics of faulty components in the application site and maintenance operations, a large proportion of passenger compartment doors have faults. If a single urban rail door fails, it will cause the entire train to be unable to be put into operation. The adjustment of door parameters is related to the safe operation and life safety of urban rail vehicles, and operators must be required to have professional skills and proficiency.Aiming at the mechanical parameters which lead to the high fault rate of passenger compartment door,this paper proposes a method of adjusting the preloading parameters of urban rail doors based on self-developed laser adjustment equipment, which provides theoretical and practical basis for the adjustment of passenger compartment doors.