To provide a quay crane with improved seismic isolation performance by lengthening a characteristic period.SOLUTION: A quay crane comprises: a first seismic isolation device 14 having upper and lower flanges arranged with intervals in a vertical direction z, and a slide mechanism 18 installed on the lower flange and supporting the upper flange with respect to the lower flange in a state of being movable in a transverse direction x; and a second seismic isolation device 15 having a restoring mechanism 22 that is arranged between the upper and lower flanges and generates a restoring force on the upper flange that has moved in the transverse direction x with respect to the lower flange, in addition to the upper flange 16, the lower flange 17, and the slide mechanism 18. One of a seaside seismic isolator or a landside seismic isolator is composed of the first seismic isolator 14, and the other is composed of the second isolator 15.SELECTED DRAWING: Figure 8

    【課題】固有周期を長周期化することで免震性能を向上した岸壁クレーンを提供する。【解決手段】上下方向zに間隔をあけて配置される上フランジおよび下フランジと、下フランジに設置されていて下フランジに対して上フランジを横行方向xに移動可能とする状態で支持するスライド機構18とを有する第一免震装置14と、上フランジ16と下フランジ17とスライド機構18とに加えて、上フランジと下フランジとの間に配置されていて下フランジに対して横行方向xに移動した上フランジに復元力を発生させる復元機構22を有する第二免震装置15とを備えていて、海側免震装置または陸側免震装置の一方が第一免震装置14で構成されていて、他方が第二免震装置15で構成される。【選択図】図8


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    Title :

    QUAY CRANE


    Additional title:

    岸壁クレーン


    Contributors:
    OBAMA YU (author) / HORIE MASAHITO (author) / IZUMO KOICHI (author)

    Publication date :

    2023-08-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES / F16F SPRINGS , Federn



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