The present invention relates to a manhole cover opening and closing device. The disclosed manhole cover opening and closing device includes: a moving part movable along the ground and fixed to a designated position on the ground; a rope part coupled to a manhole cover for closing a manhole on the ground; an elevation part connected to the rope part, coupled to the moving part, and elevating the rope part; and a plurality of weight distributing roller parts spaced apart from the moving part and rotatably coupled thereto, supporting the rope part at a plurality of points, and distributing the weight of the manhole cover coupled to the rope part. An objective of the present invention is to provide the manhole cover opening and closing device capable of stably opening or closing the manhole cover by distributing the weight of the manhole cover.

    맨홀 뚜껑 개폐장치에 대한 발명이 개시된다. 개시된 맨홀 뚜껑 개폐장치는: 지면을 따라 이동가능하며, 지면 상에서 지정된 위치에 위치고정되는 이동부와, 지면의 맨홀을 폐쇄하는 맨홀뚜껑과 결합되는 로프부와, 로프부와 연결되고, 이동부에 결합되며, 로프부를 승강시키는 승강부와, 이동부에 이격되어 회전가능하게 결합되고, 로프부를 복수 지점 지지하여 로프부에 결합된 맨홀뚜껑의 무게를 분산하는 복수개의 무게분산롤러부를 포함하는 것을 특징으로 한다.


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    Title :

    OPENING AND CLOSING DEVICE FOR MANHOLE COVER


    Additional title:

    맨홀 뚜껑 개폐장치


    Contributors:

    Publication date :

    2023-02-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / E02D FOUNDATIONS , Gründungen



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