地铁车辆客室车门啸叫原因分析与对策

Analysis of the Metro Carriage Door Squeaking and Countermeasures

介绍了广州地铁A2型车辆客室车门产生啸叫的现状。从车门后密封胶破损或老化变形、车门对中调整、车门门槛高度调整、车门"V"型调整、车门传动丝杆及铜螺母磨耗状态等多方面分析了车门产生啸叫故障的原因,并制定了解决车门啸叫问题的技术对策。

The carriage door squeaking of Guangzhou metro Type A2 vehicle is introduced.The causes of door squeaking are analyzed from aspects of the sealing failure and aging deformation,adjustment of the door and threshold height,"V"model adjustment,and the state of drive screws and copper nuts,a detailed technical solution is developed so as to solve the door squeaking problems.