The invention relates to the technical field of elevators, and discloses an elevator pit door opening device which comprises a wall body and an elevator pit landing door, the elevator pit landing door is located in the wall body, an elevator door lock is arranged on the front face of the elevator pit landing door, and a door opening assembly is arranged on the front face of the wall body; the door opening assembly comprises two pulleys, pull wires are attached to the outer surfaces of the two pulleys, and a limiting plate is fixedly installed on the surface of the wall body. According to the elevator pit door opening device, the pull wire is pulled downwards through the pull handle, the pull wire is connected with the action hook, so that the action hook is driven to move upwards, the return spring is compressed, meanwhile, the action hook pokes a lock hook of an elevator door lock upwards, an elevator pit landing door can be opened, and the effect of opening the elevator pit landing door from the interior of a pit is achieved; and when the handle is loosened, the return spring can be reset and rebound, so that the action hook moves downwards, and the opening and closing of the elevator pit landing door cannot be influenced after the worker goes out.

    本发明涉及电梯技术领域,且公开了电梯底坑开门装置,包括墙体和电梯底坑层门,所述电梯底坑层门位于墙体的内部,所述电梯底坑层门的正面设置有电梯门锁,所述墙体的正面设置有开门组件;所述开门组件包括有数量为两个的滑轮,两个所述滑轮的外表面贴合有拉线,所述墙体的表面固定安装有限位板。该电梯底坑开门装置,通过利用拉手向下拉动拉线,拉线与动作勾连接,从而会带动动作勾向上运动,对回位弹簧进行压缩,同时动作勾会将电梯门锁的锁钩向上拨动,从而可将电梯底坑层门打开,实现了从底坑内打开电梯底坑层门的作用,松开拉手,回位弹簧会发生复位回弹,使动作勾向下移动,工作人员出去后,也不会对电梯底坑层门的启闭造成影响。


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    Title :

    Elevator pit door opening device


    Additional title:

    一种电梯底坑开门装置


    Contributors:
    ZHANG SHIDONG (author) / HUI XIAOBING (author) / CHEN XIAOFEI (author) / HAO LU (author) / DING YATONG (author)

    Publication date :

    2023-07-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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