Emergency drive unit for an elevator machinery

摘要

An emergency drive unit (16) for an elevator motor, used to move an elevator by means of a drive unit and a gear rim mounted on the rotor disc (6). The drive unit consists of a drive motor (17). When the motor is started, the power of the motor is transmitted by means of a gear wheel (18) to the gear rim (19), placed in conjunction with the brake rim (20) on the periphery of the rotor (6). The emergency drive unit is provided with a drive unit containing buttons for moving the elevator in the up and down directions as well as the required means for locking the electric drive of the elevator. The drive unit may also consist of a manual latch placed on the gear rim. <IMAGE>