A arresting gear for track transportation?vehicles door system

The utility model discloses an arresting gear for track transportation?vehicles door system, a normal during operation of system keeps the braking clearance between stopper stator and the stopper rotor, and mutual independence when track transportation?vehicles operation in -process, when the passenger misses the operation emergency release of operate door system inside, triggers earlier and separates the lock -switch, and a door system sent the brake singal this moment, and messenger arresting gear works, and a door system can't open and shut, guarantees passenger's safety, when the train was allowwed to be opened the door, the door system cut off the power supply to arresting gear, forfeiture braking effect, and simple structure, simple to operate, arresting gear independently exist, and the convenience is maintained and is changed, practices thrift the maintenance cost, has good application prospect. 本实用新型公开了种用于轨道交通车辆门系统的制动装置，门系统正常工作时，制动器定子与制动器转子之间保留制动间隙，相互独立，当轨道交通车辆运行过程中，当有乘客误操作门系统内部的操作紧急解锁时，先触发解锁开关，此时门系统