| 摘要 |
An emergency moving device of an elevator includes a main moving gear and a reduction gear, both disposed on the top of the elevator car. Chains are passed under a respective one of several gears connected to shafts of the reduction gear. The chains are connected to a first connector, which is disposed above the car, and is connected to steel ropes of the car. When a breakdown of the elevator causes the car to stop between two of the floors, the passengers can, contro l an emergency power supply to activate. A fall prevention member to free the carriage from the first connector for permitting the carriage to move down relative t o the first connector; the emergency power also activates a braking switch of the main gear for same to turn in order to drive the reduction gear and the gears connected to the chains for lowering the car.
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