PROBLEM TO BE SOLVED: To position a flip link or the like with respect to a mast support bracket in a state where a mast has been removed from the mast support bracket of a crane body.SOLUTION: A crane tool 33 attached to a mast support bracket in place of a mast is configured by including: arms 34, 35 that are positioned between the mast support bracket and link plates of a flip link and rotatably attached to mast pins; pin insertion holes 34A, 35A that are provided to the base ends of the arms 34, 35; stoppers 37, 38 that are provided to the arms 34, 35 so as to extend in the axial direction of the mast pins and interposed between the mast support bracket and the link plates; a switch detection plate 39 that is provided to the tips of the arms 34, 35; and a holding pin 41 that is inserted into pin insertion holes 34H, 35H provided to the arms 34, 35 and a through-hole of a mast pin link.SELECTED DRAWING: Figure 9

    【課題】クレーン本体のマスト支持ブラケットからマストを取外した状態で、マスト支持ブラケットに対するフリップリンクの位置決め等を行う。【解決手段】マストに代えてマスト支持ブラケットに取付けられるクレーン治具33を、マスト支持ブラケットとフリップリンクの各リンク板との間に位置してマストピンに回動可能に取付けられたアーム34,35と、各アーム34,35の基端に設けられたピン挿嵌孔34A,35Aと、各アーム34,35にマストピンの軸方向に延びて設けられマスト支持ブラケットと各リンク板との間に介在するストッパ37,38と、各アーム34,35の先端に設けらたスイッチ検出板39と、各アーム34,35に設けられたピン挿通孔34H,35Hとマストピンリンクの貫通孔とに挿通された保持ピン41とを含んで構成する。【選択図】図9


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    Title :

    CRANE TOOL USED FOR HYDRAULIC CRANE


    Additional title:

    油圧クレーンに用いられるクレーン治具


    Contributors:

    Publication date :

    2018-10-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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