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    • 12. 发明授权
    • Torque transmission system
    • 扭矩传动系统
    • US4515575A
    • 1985-05-07
    • US291946
    • 1981-08-11
    • Hiroji KinbaraKazuma MatsuiYoshiyuki HattoriHideyuki HayakawaMasaaki TakizawaMasaru TamuraYasunobu Jufuku
    • Hiroji KinbaraKazuma MatsuiYoshiyuki HattoriHideyuki HayakawaMasaaki TakizawaMasaru TamuraYasunobu Jufuku
    • F16H9/18F16H61/662F16H11/06
    • F16H61/66227
    • A torque transmission system has driving and driven pulley units around which an endless V-belt extends. Each pulley unit has a stationary pulley part rotatable with a shaft and a movable pulley part disposed to define with the stationary pulley part a circumferentially continuous groove for receiving the V-belt. The movable pulley parts of the pulley units are axially resiliently biased so that the radii of the circle along which the V-belt engages the driving and driven pulley units are varied to change the speed-change ratio of the transmission system. The movable pulley part of the driven pulley unit is axially shifted by the action of fly weights held between a stationary plate fixed to the shaft and a holder fixed to the movable pulley part. One of the holder, movable pulley part and stationary plate is provided with surfaces extending parallel to the axis of the shaft and directed radially inwardly to radially inwardly support the fly weights when they are centrifugally moved to their radially outermost positions whereby the axial thrust force imparted by the radially outward movement of the fly weights to the V-belt is limited.
    • 扭矩传递系统具有驱动和从动皮带轮单元,环形V形带围绕该单元延伸。 每个滑轮单元具有可转动的固定皮带轮部分,可转动的滑轮部分和可动滑轮部分设置成与固定滑轮部分形成用于接收V形皮带的周向连续凹槽。 滑轮单元的可动滑轮部分被轴向弹性偏置,使得V形皮带与驱动和从动皮带轮单元接合的圆的半径变化以改变传动系统的变速比。 从动带轮单元的可动皮带轮部分通过固定在固定在轴上的固定板和固定在可动皮带轮部分上的保持架之间的飞轮的作用而轴向移动。 保持器,可动滑轮部分和固定板中的一个设置有平行于轴的轴线延伸的表面,并且当它们离心地移动到其径向最外侧的位置时径向向内径向向内支撑飞行重物,由此赋予轴向推力 通过飞镖的径向向外运动到V形带受到限制。