A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The present invention relates to a safety manhole, comprising: a manhole frame formed with an aperture having an empty inner portion; a manhole cover connected to the manhole frame, and opening and closing a part of the aperture of the manhole frame; and an auxiliary safety unit disposed between the manhole cover and the manhole frame, and opening and closing the aperture of the manhole frame while being separately operated with respect to movement of the manhole cover. An object of the present invention is to provide a new type of safety manhole which is able to prevent an occurrence of a safety accident in advance by preventing the aperture of the manhole frame from being opened as soon as the manhole cover is opened.
본 발명은 안전 맨홀에 관한 것으로서, 내부가 빈 개구를 형성하는 맨홀 프레임; 상기 맨홀 프레임에 연결되며, 상기 맨홀 프레임의 개구를 일부 개폐하는 맨홀 커버; 및 상기 맨홀 커버와 상기 맨홀 프레임 사이에 배치되며, 상기 맨홀 커버의 동작과 무관하게 별개로 동작되면서 상기 맨홀 프레임의 개구를 개폐하는 개구 개폐용 보조 안전유닛을 포함한다.
The present invention relates to a safety manhole, comprising: a manhole frame formed with an aperture having an empty inner portion; a manhole cover connected to the manhole frame, and opening and closing a part of the aperture of the manhole frame; and an auxiliary safety unit disposed between the manhole cover and the manhole frame, and opening and closing the aperture of the manhole frame while being separately operated with respect to movement of the manhole cover. An object of the present invention is to provide a new type of safety manhole which is able to prevent an occurrence of a safety accident in advance by preventing the aperture of the manhole frame from being opened as soon as the manhole cover is opened.
본 발명은 안전 맨홀에 관한 것으로서, 내부가 빈 개구를 형성하는 맨홀 프레임; 상기 맨홀 프레임에 연결되며, 상기 맨홀 프레임의 개구를 일부 개폐하는 맨홀 커버; 및 상기 맨홀 커버와 상기 맨홀 프레임 사이에 배치되며, 상기 맨홀 커버의 동작과 무관하게 별개로 동작되면서 상기 맨홀 프레임의 개구를 개폐하는 개구 개폐용 보조 안전유닛을 포함한다.
Safety manhole
안전 맨홀
OH JIN HWAN (author)
2018-01-08
Patent
Electronic Resource
Korean