PROBLEM TO BE SOLVED: To suppress swing in tower strut upon deconstruction and the like.SOLUTION: A tower crane comprises a traveler 2, a rotator 3 rotatably arranged on the traveler 2, a tower boom 20 attached to rotator 3 in a manner capable of standing/falling, a tower jib 40 attached to an upper edge part of the tower boom 20 in a manner capable of standing/falling, a tower jib standing/falling assistant member 80 rotatably arranged on an upper edge of the tower boom 20 for standing/falling of the tower jib 40, and a tower jib assistant member jointing mechanism 180 jointing the tower jib assistant member 80 on the tower boom 20 in a detachable manner.SELECTED DRAWING: Figure 33

    【課題】分解の際等における、タワーストラットの揺動を抑制する。【解決手段】走行体2と、走行体2に旋回可能に設けられた旋回体3と、旋回体3に起伏可能に取付けられたタワーブーム20と、タワーブーム20の上端部に起伏可能に取付けられたタワージブ40と、タワーブーム20の上端に回動可能に設けられた、タワージブ40を起伏するためのタワージブ起伏補助部材80と、タワージブ補助部材80をタワーブーム20に解放可能に連結するタワージブ補助部材連結機構180とを備える。【選択図】図33


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    Titel :

    TOWER CRANE


    Weitere Titelangaben:

    タワークレーン


    Beteiligte:
    MAEHARA YUKIO (Autor:in)

    Erscheinungsdatum :

    28.12.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B66C Krane , CRANES



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