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    • 6. 发明授权
    • Multiple-speed winch or drum drive
    • 多速绞车或鼓式传动
    • US4453430A
    • 1984-06-12
    • US196687
    • 1980-10-14
    • Leslie J. Sell
    • Leslie J. Sell
    • B66D1/22B66D1/44F16H3/66F16H57/10
    • F16H3/666B66D1/22B66D1/44
    • A transmission suitable for use in a winch, wire line drum, or other vertical hoisting device is provided with independently actuatable disc clutches for actuating various planetary gear sets to vary the speed through at least three speed ranges. The gear sets and clutches are immersed in oil, and control means are provided to energize the clutches always in sets of two so that only one disc clutch remains disengaged to minimize the viscous drag of the disengaged clutch in the oil. The planetary sets and clutches form the transmission between an input shaft and an output drive assembly. In the preferred embodiment, a final multiple-speed drive assembly is provided to increase the three-speed ratios to six-speed ratios to obtain a wide speed range.
    • 适用于绞盘,钢丝绳滚筒或其他垂直提升装置的传动装置设置有独立可致动的盘式离合器,用于致动各种行星齿轮组,以通过至少三个速度范围改变速度。 齿轮组和离合器被浸入油中,并且提供控制装置以使离合器总是以两组的形式通电,使得只有一个盘离合器保持分离,以使分离的离合器在油中的粘滞阻力最小化。 行星齿轮组和离合器在输入轴和输出驱动组件之间形成传动装置。 在优选实施例中,提供最终的多速驱动组件以将三速比增加到六速比以获得宽的速度范围。