Elevator car door up-down locking device

The invention discloses an elevator car door up-and-down locking device. The device comprises a car door upper locking mechanism, the car door upper locking mechanism comprises a lock seat and a lock hook, a guide rail is arranged in the middle of a door machine, and the guide rail comprises a horiz...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GAN QIANGBAO, SU SHIYAN, TAN XIAOHENG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The invention discloses an elevator car door up-and-down locking device. The device comprises a car door upper locking mechanism, the car door upper locking mechanism comprises a lock seat and a lock hook, a guide rail is arranged in the middle of a door machine, and the guide rail comprises a horizontally-distributed lifting maintaining section and slope sections which are symmetrically distributed at the two ends of the lifting maintaining section and incline downwards; car door lower locking mechanisms are symmetrically arranged on the two sides of the guide rail, and each car door lower locking mechanism comprises a plug pin mechanism and a lifting mechanism which are distributed on the same side; each bolt mechanism comprises a bolt arranged on the lower portion of a car door plate, and a limiting hole where each bolt can be inserted is formed in the bottom face of a sill groove located below the bolt; and one end of each lifting mechanism is provided with a roller capable of rolling along the guide rail