To achieve, in a luffing cylinder mounting part for a telescopic boom, manufacturing effect and weight reduction of a boom system in addition to higher allowable load.SOLUTION: In a telescopic boom in which, in order to fix at least one luffing cylinder, at least one luffing cylinder mounting part, in particular, a coupling part is provided in the middle of a lower shell of a bolt support part, at least two closed metal-plate-box structures for transmitting load to the structure of the telescopic boom from the luffing cylinder mounting part is provided on a support metal plate of the luffing-cylinder mounting part.SELECTED DRAWING: Figure 1

    【課題】伸縮ブームのラフィングシリンダ取付部において、より高い許容荷重に加え、ブームシステムの製作上の効果及び重量節減を達成する。【解決手段】少なくとも1つのラフィングシリンダを固定するために、少なくとも1つのラフィングシリンダ取付部、特にボルト支持部の下側シェル中央に結合部が設けられる伸縮ブームに関し、ラフィングシリンダ取付部から伸縮ブームの構造への荷重伝達のための、少なくとも2つの閉じた金属板箱構造が、ラフィングシリンダ取付部の支持金属板に設けられる。【選択図】図1


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    Title :

    TELESCOPIC BOOM AND MOBILE CRANE


    Additional title:

    伸縮ブーム及び移動式クレーン


    Contributors:

    Publication date :

    2018-12-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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