Disclosed in the present invention is a manhole cover opening and closing device that can more stably open and close a manhole cover, as well as automatically perform the lifting operation of the manhole cover. The disclosed manhole cover opening and closing device comprises: a support unit which is provided with a variable shape and is movable; a lifting unit coupled to the support unit and operated to selectively lift; and a lifting unit which is coupled to the lifting unit and fastened to multiple points of the manhole cover to support multiple points of the manhole cover.
맨홀뚜껑 개폐장치에 대한 발명이 개시된다. 개시된 맨홀뚜껑 개폐장치는: 형상이 가변되도록 구비되며, 이동 가능한 지지부와, 지지부에 결합되고, 선택적으로 승강되게 작동되는 승강부와, 승강부에 결합되고, 맨홀뚜껑의 복수 지점과 체결되어 상기 맨홀뚜껑의 복수지점을 지지하는 인상부를 포함하는 것을 특징으로 한다.
OPENING AND CLOSING APPARATUS FOR MANHOLE COVER
맨홀뚜껑 개폐장치
2024-01-26
Patent
Electronic Resource
Korean
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 |