PROBLEM TO BE SOLVED: To provide an unloader which suppresses generation of rotation moment in a trolley with a vertical direction as a central axis.SOLUTION: In an unloader on which four drums D1-D4 for delivering and winding ropes R1-4 respectively are arranged, a land side support drum D1 and a sea side support drum D2 are oppositely arranged in a sea-land direction, a land side opening/closing drum D3 and a sea side opening/closing drum D4 are oppositely arranged in the sea-land direction, and the ropes delivered from the respective drums D1-D4 are coupled to a grab bucket 6 via sheaves S1-S4 installed at ends of a boom and a girder extending in the sea-land direction and sheaves S11, S21, S31, S41 installed on a trolley 5.SELECTED DRAWING: Figure 2

    【課題】トロリに上下方向を中心軸とする回転モーメントが発生することを抑制するアンローダを提供する。【解決手段】ロープR1〜4の繰り出しおよび巻き取りをそれぞれ行なう四つのドラムD1〜D4を配置されるアンローダにおいて、陸側支持ドラムD1と海側支持ドラムD2とを海陸方向に対向配置して、陸側開閉ドラムD3と海側開閉ドラムD4とを海陸方向に対向配置して、各ドラムD1〜D4から繰り出されるロープを、海陸方向に延設されるブームおよびガーダの端部にそれぞれ設置されるシーブS1〜S4と、トロリ5に設置されるシーブS11、S21、S31、S41とを経由してグラブバケット6に連結する。【選択図】図2


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    Title :

    UNLOADER AND MANUFACTURING METHOD OF UNLOADER


    Additional title:

    アンローダおよびアンローダの製造方法


    Contributors:
    NAGANO TORU (author)

    Publication date :

    2018-01-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66C Krane , CRANES



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