The invention provides a screw elevator. The screw elevator comprises a car and a driving device driving the car to run, the driving device comprises a motor, a gear speed reduction box, a nut and a screw, the motor and the nut are fixed on the car at intervals, the nut and the screw are meshed in transmission, and the motor drives the nut to drive the car to reciprocate axially along the screw via the gear speed reduction box. Noise generated during running of the elevator can be reduced, comfort level of users riding the elevator is improved, and ascending and descending of the car is facilitated after revolving speed turns low after transmission by the gear speed reduction box.
Screw elevator
2015-09-02
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |