To provide a winch drum having an attachable-detachable structure of a kicker easy in replacement in maintenance while having excellent wear durability.SOLUTION: In a winch drum having a kicker 36 for guiding the winding direction of a rope on and after a second layer on an inner surface of a flange 34, the kicker is formed in a trapezoidal shape in a cross-sectional shape, and has a shape of forming a flange inner surface part as a wide lower bottom 36b in a trapezoid and forming the highest part of a projection end as an upper bottom 36c, and a kicker recessed part 36f for fitting an attachable-detachable kicker member 38 is arranged in a position of the highest part of the projection end, and is constituted by fitting the kicker member to the kicker recessed part. The kicker member has a projection surface 42 projecting from the kicker recessed part by a preset projection quantity in a state of fitting to the kicker recessed part, and a chamfer part 43 larger than the projection quantity in the chamfering quantity in the projection direction is arranged on the projection surface.SELECTED DRAWING: Figure 5

    【課題】優れた摩耗耐久性を有しつつ、保守の際には交換が容易なキッカーの着脱構造を備えたウインチドラムを提供する。【解決手段】フランジ34の内面に2層目以降のロープの巻方向をガイドするためのキッカー36を有するウインチドラムにおいて、前記キッカーは、断面形状が台形状に形成され、フランジ内面部を台形における幅広の下底36bとし、突出端の最高部を上底36cとした形状を有し、突出端の最高部の位置には、着脱可能なキッカー部材38を嵌装させるキッカー凹部36fが設けられ、該キッカー凹部にキッカー部材を嵌装して構成されている。また、キッカー部材は、キッカー凹部に嵌装した状態で、あらかじめ設定された突出量だけキッカー凹部から突出する突出面42を有し、該突出面には、突出方向における面取り量が前記突出量よりも大きい面取り部43が設けられている。【選択図】図5


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    Title :

    WINCH DRUM


    Additional title:

    ウインチドラム


    Contributors:

    Publication date :

    2022-04-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B66D Haspeln , CAPSTANS



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