To provide a counterweight capable of reducing a burden on a worker who operates a truck and a method of moving the counterweight.SOLUTION: A counterweight 4 includes a pallet 40 and a weight main body 37. The pallet 40 supports the weight main body 37 and is lifted by a mast of a crane integrally together with the weight main body 37. A plurality of outriggers 54 of the pallet 40 are extendable and contractible. An outer cylinder lower end part 541A of an outer cylinder 541 of the outrigger 54 is arranged above a pallet carrying platform lower end part 40S of the pallet 40 so that a truck load-carrying platform of a self-traveling truck can easily enter a lower part of a pallet carrying platform 40H while passing through a lower part of a float 542A when the outriggers are contracted.SELECTED DRAWING: Figure 6

    【課題】台車を操作する作業者の負担を低減することが可能なカウンタウエイトおよびカウンタウエイトの移動方法を提供する。【解決手段】カウンタウエイト4は、パレット40とウエイト本体37とを有する。パレット40はウエイト本体37を支持し、ウエイト本体37とともに一体でクレーンのマストによって吊り上げられる。パレット40の複数のアウトリガ54は伸縮可能とされる。アウトリガ54の外筒541の外筒下端部541Aが、パレット40のパレット荷台下端部40Sよりも上方に配置されるため、収縮時に自走台車の台車荷台がフロート542Aの下方を通過しながらパレット荷台40Hの下方に容易に進入することができる。【選択図】図6


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    Title :

    COUNTERWEIGHT AND METHOD OF MOVING COUNTERWEIGHT


    Additional title:

    カウンタウエイトおよびカウンタウエイトの移動方法


    Contributors:
    KOIZUMI YUKIO (author) / ETO TAKAO (author)

    Publication date :

    2021-09-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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