PROBLEM TO BE SOLVED: To provide a mobile crane capable of minimizing workspace needed on a construction site to perform assembly.SOLUTION: At least one connection means is provided in a revolving super structure of a mobile crane, and at least two means to be connected are provided in a ballast fitting device. The ballast fitting device can be connected to the revolving super structure in a plurality of positions different in distance from a rotating shaft of the revolving super structure via the means to be connected. The ballast fitting device, which has a curved and/or U-shaped ballast frame in a horizontal plane, can be coupled to the revolving super structure in two positions to be capable of reaching each other by rotation around a vertical axis.SELECTED DRAWING: Figure 1b

    【課題】組立てのために建設現場において必要となる作業スペースを最小化できる移動式クレーンを提供する。【解決手段】少なくとも1つの接続手段が移動式クレーンの上部旋回体に設けられかつ少なくとも2つの被接続手段がバラスト取付装置に設けられ、バラスト取付装置は、被接続手段を介して、上部旋回体の回転軸からの距離が異なる複数の位置で上部旋回体に連結可能である。バラスト取付装置は、水平面内で湾曲したおよび/またはU字状のバラストフレームを有していて、鉛直軸回りの回転により相互に到達可能な2つの位置で上記上部旋回体に連結可能である。【選択図】図1b


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    Title :

    MOBILE CRANE COMPRISING ADJUSTABLE BALLAST FITTING DEVICE


    Additional title:

    調節可能なバラスト取付装置を備えた移動式クレーン


    Contributors:

    Publication date :

    2018-01-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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