PROBLEM TO BE SOLVED: To provide a telescopic boom type work machine capable of reducing vibration of a boom in a telescopic motion and easily coping with even when vibration of the boom is generated with time.SOLUTION: A telescopic boom type work machine includes: a telescopic boom which has a telescopic structure with a plurality of cylindrical booms including a base end boom and a tip end boom; and a dynamic vibration absorber having a spring part and a mass part in which at least one end of the spring part is fixed to the telescopic boom.SELECTED DRAWING: Figure 3

    【課題】伸縮時のブームの振動を抑制できるとともに、経時的にブームの振動が生じるようになった場合にも容易に対応できる伸縮ブーム式作業機を提供する。【解決手段】伸縮ブーム式作業機は、基端ブーム及び先端ブームを含む複数の筒状のブームからなるテレスコピック構造を有する伸縮ブームと、ばね部及び質量部を有し、ばね部の少なくとも一端が伸縮ブームに固定される動吸振器と、を備える。【選択図】図3


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    Title :

    TELESCOPIC BOOM TYPE WORK MACHINE


    Additional title:

    伸縮ブーム式作業機


    Contributors:
    KUME KASUMI (author)

    Publication date :

    2018-04-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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