Electric movingdoor for track vehicle

• Main Authors: SHIWEN ZENG, CHAO CHEN, SONGNAN XU
• Format: Patent
• Language: English
• Published: 01.10.2003
• Edition: 7
• Subjects: BODY DETAILS OR KINDS OF RAILWAY VEHICLES; BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; FIXED CONSTRUCTIONS; KEYS; LOCKS; PERFORMING OPERATIONS; RAILWAYS; SAFES; TRANSPORTING; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

The utility model relates to an electric moving door for a track vehicle, which comprises a door leaf, a bearing guide device, a drive device, a door lock, a door control unit, an internal emergency unlocking device, an external emergency unlocking device and an exit service lock device, wherein, the door leaf is connected with a mechanism through a frame for carrying a door, and the door control unit is arranged in the mechanism; the internal emergency unlocking device and the external emergency unlocking device are connected with the door lock by wire cables; the exit service lock device is arranged on the door leaf; the drive device comprises a motor, sliding friction type screw rods and screw nuts; the motor is connected with the sliding friction type screw rods; the screw nuts can move on the screw rods and are connected with the frame for carrying a door. The bearing guide device comprises an upper slideway, bearing rollers, anti-pumping rollers and the frame for carrying a door; the bearing rollers and the anti-pumping rollers are arranged on the frame for carrying a door and move on the lower part and the upper part of a die cavity of the upper slideway; the frame for carrying a door is connected with the door leaf. The door lock comprises a lock hook, a deflector rod and a lock pin. The utility model has the characteristics of high reliability, high safety, good maintainability, long service life, low life cycle cost, etc.