To provide a crane boom that can prevent buckling of the wire guide.SOLUTION: There is provided a boom comprising a box-shaped boom body 51 with a top surface 541, a winch wire guide 60 arranged so that it faces the top surface 541 and hangs over the boom body 51 in the left-right direction, and a pair of support plates 63 and 64 provided at the right and left ends of the boom body 51. The pair of support plates 63 and 64 have a through hole 71 through which the winch wire guide 60 is passed and a through hole 72 for suspending a boom 50.SELECTED DRAWING: Figure 3

    【課題】ワイヤガイドの座屈を防止することができるクレーン用ブームを提供する。【解決手段】ブームは、上面541を有する箱状のブーム本体51と、上面541と対向し且つブーム本体51の左右方向に掛け渡すように配置されたウインチワイヤガイド60と、ブーム本体51の右端部及び左端部に設けられた一対の支持板63、64とを備える。一対の支持板63、64は、ウインチワイヤガイド60が貫通される貫通孔71と、ブーム50を吊るための貫通孔72とを有する。【選択図】図3


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    Title :

    CRANE BOOM


    Additional title:

    クレーン用ブーム


    Contributors:

    Publication date :

    2021-10-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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