| 摘要 |
PURPOSE: A lock device for main controller of electric train is provided to prevent accidents by preventing the movement of a master controller to a powering position from a neutral position if a locking canceling grip does not be pushed. CONSTITUTION: A lock device for main controller of electric train comprises a locking shaft, a grip(6), a star wheel(9), and a stopper wheel(13). The locking shaft is installed in a steering wheel(3) and moves up and down through a main shaft. The grip is combined with the upper end of the locking shaft. A corner part of a fan-shaped star wheel is fixed to the main shaft. A rectangular hole is formed on the center area of the star wheel. The star wheel selects an emergency braking position, braking position, neutral position, and powering position. |
