To suppress the transportation height of a gantry, a lower spreader, and an upper spreader when they are integrally transported.SOLUTION: An upper spreader 70 has an upper spreader sheave 75 around which a derricking rope 23 is wound together with a lower spreader sheave 65 and is attachable to and detachable from a compression member 40. The compression member 40 is arranged such that a longitudinal direction of the compression member 40 becomes a horizontal direction. A state in that the upper spreader 70 is mounted on the compression member 40 is defined as a prescribed arrangement β. In the case of the prescribed arrangement β, an upper end of the upper spreader 70 is arranged at the same height as an upper end of the lower spreader 60 or at a lower side Z2.SELECTED DRAWING: Figure 3

    【課題】ガントリ、下部スプレッダ、および上部スプレッダが一体的に輸送される際の輸送高さを抑制する。【解決手段】上部スプレッダ70は、下部スプレッダシーブ65との間に起伏ロープ23が掛け回される上部スプレッダシーブ75を有し、コンプレッションメンバ40に着脱可能である。コンプレッションメンバ40の長手方向が水平方向となるようにコンプレッションメンバ40が配置され、かつ、コンプレッションメンバ40に上部スプレッダ70が取り付けられた状態を、所定配置βとする。所定配置βのとき、上部スプレッダ70の上端は、下部スプレッダ60の上端に対して、同じ高さまたは下側Z2に配置される。【選択図】図3


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    Titel :

    DERRICKING DEVICE


    Weitere Titelangaben:

    起伏装置


    Beteiligte:
    KOIZUMI YUKIO (Autor:in) / YAMAGAMI TAKANOBU (Autor:in) / NAKATSUKASA KENICHI (Autor:in) / INADA KEIKO (Autor:in) / WATANABE TAKUYA (Autor:in) / ARITA RYUICHI (Autor:in)

    Erscheinungsdatum :

    27.02.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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