To provide an erecting/inclining type mast structure with superior rigidity in a main frame portion.SOLUTION: A rotational structure unit 3 is composed of rotational units 11, 11 arranged on a stage ST with space in between as well as extending along the stage ST respectively rotating with a virtual central line IL as center. A mast structure 5 is composed of a frame structure including: main frames 13, 13 with one end fixed to rotational units 11, 11 and the other end coupled to each other; sub-frames 15, 15 with one end fixed to the rotational units 11, 11 and the other end fixed to the main frame; and a reinforcement frame 17. In addition, a supporting structure 7 for supporting the mast structure 5 in an erected state is included.SELECTED DRAWING: Figure 1

    【課題】メインフレーム部分の剛性を高めた起倒式マスト構造物を提供する。【解決手段】回転構造部3は、ステージST上に間隔を開けて配置され且つステージSTに沿って延びる仮想中心線ILを中心としてそれぞれ回転する回転部11,11から構成されている。マスト構造物5は、一端が回転部11,11に固定され他端が相互に連結されたメインフレーム13,13と、一端が回転部11,11に固定され他端がメインフレームに固定されたサブフレーム15,15と、補強フレーム17とを備えた骨組構造からなる。さらに、起立した状態においてマスト構造体5を支持する支持構造物7を備えている。【選択図】 図1


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    Title :

    ERECTING/INCLINING TYPE MAST STRUCTURE


    Additional title:

    起倒式マスト構造物


    Contributors:

    Publication date :

    2020-08-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



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