The lifting mechanism comprises a limiting seat arranged on a cross beam of a lift car, a synchronous rod is arranged on the limiting seat, a trigger swing arm and a speed limiting connecting arm are arranged at the end of the synchronous rod, the trigger swing arm is connected with safety tongs, and the speed limiting connecting arm is connected with a speed limiting steel wire rope; the safety tongs are matched with the limiting sliding rail and comprise a tongs body, a fixed brake pad and a movable brake pad, the fixed brake pad and the movable brake pad are oppositely arranged in the tongs body, the movable brake pad is connected with the tongs body through a sliding seat, and a connecting pin is arranged at the bottom end of the movable brake pad; the trigger swing arm is provided with a sliding groove, and the connecting pin is arranged in the sliding groove and can slide relative to the sliding groove. Correspondingly, the invention further discloses an elevator. When the speed of the lift car exceeds the maximum preset value, the safety tongs can be quickly triggered, so that the lift car is gradually decelerated, and the safety of personnel in the lift car under extreme conditions is ensured.

    本发明公开了一种电梯用的提拉机构,包括设于轿厢的横梁上的限位座,所述限位座上设有同步杆,所述同步杆的端部设有触发摆臂和限速连接臂,所述触发摆臂与安全钳连接,所述限速连接臂与限速钢丝绳连接;所述安全钳与限位滑轨配合设置,包括钳体、固定刹车片和活动刹车片,所述固定刹车片和活动刹车片相向设于所述钳体中,所述活动刹车片通过滑动座与所述钳体连接,底端设有连接销;所述触发摆臂设有滑动槽,所述连接销设于所述滑动槽中,并能相对所述滑动槽滑动。相应地,本发明还公开了一种电梯。采用本发明,当轿厢的速度超过最大预设值时,能够快速触发安全钳,从而使轿厢逐渐减速,保证极端情况下轿厢内的人员安全。


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    Title :

    Lifting mechanism for elevator and elevator


    Additional title:

    一种电梯用的提拉机构及一种电梯


    Contributors:

    Publication date :

    2025-02-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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