PROBLEM TO BE SOLVED: To enable an operator to perform slinging work to a counterweight without getting on and off a top surface of the counterweight.SOLUTION: A pair of left and right hanging members 15 for lifting and fixing, each of the pair comprising an upper pin 26, and a lowest pin 29 or a fixed weight pin 30, and a link member 27, is provided on side faces of additional weights 25 and 25a. The upper pin 26 and the lowest pin 29 or the fixed weight pin 30 are pierced into the link member 27. The link member 27 is movable along the upper pin 26 and rotatable around the upper pin 26.SELECTED DRAWING: Figure 3

    【課題】作業者がカウンタウエイトの上面に乗降することなく、カウンタウエイトへの玉掛作業を行うことができるようにする。【解決手段】追加ウエイト25および25aの側面には、上部ピン26と最下部ピン29または固定ウエイトピン30およびリンク部材27からなる吊り上げおよび固定のための吊り具部材15が左右一対に備えられ、リンク部材27は上部ピン26と最下部ピン29または固定ウエイトピン30に突き通されている。リンク部材27は上部ピン26に沿って移動可能であり、上部ピン26を中心に回動可能である。【選択図】図3


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    Title :

    LIFTING MECHANISM OF COUNTERWEIGHT


    Additional title:

    カウンタウエイトの吊り上げ機構


    Contributors:

    Publication date :

    2016-06-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES / E02F Baggern , DREDGING



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