The elevator door limiting device for elevator maintenance comprises a machine body, a main cavity is formed in the machine body, two main shafts are symmetrically and rotationally installed between the upper wall and the lower wall in the main cavity, each main shaft is sequentially provided with a winding wheel and a worm wheel from top to bottom, and a limiting inhaul cable is wound around each winding wheel; a worm is rotationally installed in the middle of the side wall of the main cavity, the two worm wheels are symmetrically matched on the two sides of the worm, two guide cavities are formed in the positions, located on the two sides of the main cavity, in the machine body, two guide wheels are rotationally installed in each guide cavity, and two limiting sliding grooves are symmetrically formed in the outer side wall of the machine body. Limiting anti-reverse protection is achieved in a worm and gear driving mode, the limiting distance is adjusted in a dual-mode mode through manual and electric control, the functions of limiting adjustment and rapid unlocking and returning are achieved through the sectional design of the main shaft, the structure is simple, operation is convenient, and safety and reliability are higher.

    本发明公开了一种电梯维保用电梯门限位装置,包括机体,所述机体内设有主腔,所述主腔内上下壁之间对称转动安装有两个主轴,每个所述主轴上从上到下依次安装有收卷轮和蜗轮,每个所述收卷轮上均盘绕有限位拉索,所述主腔侧壁上居中转动安装有蜗杆,两个所述蜗轮对称配合在蜗杆的两侧,所述机体内位于主腔的两侧设有两个导向腔,每个所述导向腔内均转动安装有两个导向轮,所述机体的外侧壁上对称开设有两个限位滑槽。本发明通过蜗轮蜗杆的驱动方式实现限位防逆保护,通过手动和电动控制实现双模式调节限位距离,通过主轴的分段式设计实现限位调节和快速解锁并返回的功能,结构简单、操作方便且安全性和可靠性更高。


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    Title :

    Elevator door limiting device for elevator maintenance


    Additional title:

    一种电梯维保用电梯门限位装置


    Contributors:
    XIN JINGKE (author) / ZHANG JIAN (author)

    Publication date :

    2022-06-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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