The invention provides a marine manhole cover supporting double-side opening. The marine manhole cover comprises a cover plate and an annular seat plate, wherein the outer diameter of the cover plate is larger than the inner diameter of the annular seat plate, and is smaller than the outer diameter of the annular seat plate; the cover plate is connected with the back side of the annular seat plate through a plurality of inner connecting pieces; the edge of the back side of the annular seat plate is connected with an outer annular bottom plate through a plurality of outer connecting pieces; the outer annular seat plate is fixedly connected with a wall plate of a ship body; the front and back sides of the cover plate are provided with handles; inner annular bottom plate is fixed on the back side of the annular seat plate; the cover plate is connected with the inner annular bottom plate through a plurality of inner connecting pieces. Through cooperation of the cover plate and the annular seat plate, double-side opening of the manhole cover can be realized, the problem that workers cannot walk through by opening the conventional manhole cover from both sides is solved, and great convenience is brought to the movement of the workers in the ship body. The marine manhole cover has the advantages of simple structure, safety, reliability and low cost.


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    Title :

    Marine manhole cover supporting double-side opening


    Contributors:
    ZHANG SHIMING (author) / WU KUN (author)

    Publication date :

    2015-07-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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