The invention provides elevator car roof safe protective guards which comprise a left protective guard, a right protective guard, a front protective guard and a rear protective guard. The front protective guard is composed of a fixed protective guard body and a movable protective guard body. The movable protective guard body is movably connected with the left protective guard. The fixed protective guard body is fixedly connected with the right protective guard. The fixed protective guard body is connected with the movable protective guard body through latch locks. A support touch plate is mounted on the movable protective guard body. A safe switch is mounted on the fixed protective guard body. In a normal state, the movable protective guard body is in a closed state, the support touch plate makes contact with the safe switch, and an elevator runs normally. When maintenance is carried out, the movable protective guard body is opened, the safe switch is switched off, a car roof overhaul switch is then pressed down, the elevator stops working, the movable protective guard body is then closed, and the protective guards are arranged on the periphery of a car roof. The elevator car roof safe protective guards have the advantages that the area of safety protection of the car roof is enlarged, the intensity of the protective guards can be improved, and the elevator car roof safe protective guards are high in safety factor, simple in structure and convenient to mount.


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    Title :

    Elevator car roof safe protective guards


    Contributors:
    LI HONGLI (author) / SHEN YAN (author) / YANG YAN (author)

    Publication date :

    2015-04-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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