Disclosed is a manhole device capable of preventing collisions and safety accidents of equipment during opening and closing. According to an aspect of the present invention, a manhole device for opening and closing an entrance formed in a hull of an offshore structure comprises: a cover part which covers the doorway and is hinged to the hull; and an angle adjustment part installed on the cover part and supported between the hull and the cover part to limit the open angle of the cover part.

    맨홀장치가 개시된다. 본 발명의 일 측면에 따른 맨홀장치는, 해양 구조물의 선체에 형성된 출입구를 개폐하는 맨홀장치로서, 출입구를 덮으며 선체에 힌지 연결된 덮개부 및 덮개부에 설치되고 선체와 덮개부 사이에 지지되어 덮개부의 열린 각도를 제한하는 각도 조절부를 포함한다.


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    Title :

    Manhole device


    Additional title:

    맨홀장치


    Publication date :

    2021-11-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / E05C Riegel oder Feststellvorrichtungen für Flügel, insbesondere für Türen oder Fenster , BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS



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