The invention discloses an elevator hall door lock. The elevator hall door lock comprises a locking assembly, a control center and an auxiliary system for feeding whether a hall door is locked or not back to the control center. The locking assembly comprises a locking part for locking the hall door and a driving device. When an elevator car reaches the needed floor, the control center controls the driving device to remove locking of the locking part to the hall door. The electronic control manner is adopted to remove the locking state of the hall door, the door lock is simple in structure and safe and reliable in use, when the hall door is in the unlocking state, the auxiliary system enables the control center of an elevator not to respond to the elevator operating request, the phenomenon that under the unlocking state of the hall door, the elevator car continues to run is avoided, and safety of people is ensured.
Elevator hall door lock
2016-02-24
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |
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