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    • 4. 发明授权
    • Drive assembly for a web spreading roll
    • 驱动组件用于卷筒纸卷
    • US5810237A
    • 1998-09-22
    • US834081
    • 1997-04-14
    • Timo EskolaLeo Kurkinen
    • Timo EskolaLeo Kurkinen
    • B65H23/195D21F1/40D21F7/02B65H20/00F16G1/28F16H7/00
    • D21F7/02
    • A drive assembly for operatively rotating a web spreading roll of a paper mill or the like utilizes a toothed belt for transferring rotational motion from a motor-operated driving toothed pulley to a freewheeling or otherwise rotatably mounted driven toothed pulley. The driven pulley is, in turn, coupled to at least one of the plural rotary driven roll segments of and that are carried on the curved shaft of the web spreading roll. To minimize wear on the toothed belt, the driving and driven pulleys are fixedly mounted in positions of permanent alignment with one another, as by mounting both the drive motor and the driven pulley on the shaft bearings housing located at one end of the spreading roll shaft. A flexible coupling, as in the form of a rubber or otherwise suitably resilient bellows or the like, connects the driven pulley to the at least one roll segment for transferring rotation of the driven pulley to the roll segment so as to operatively rotate the web spreading roll.
    • 用于可操作地旋转造纸机等的卷筒纸传播辊的驱动组件利用齿形传送带将旋转运动从马达驱动的带齿滑轮传递到空转或其它可旋转地安装的从动齿轮。 从动皮带轮又连接到多个旋转从动辊段中的至少一个,并且承载在卷材卷筒的弯曲轴上。 为了最小化带齿带上的磨损,驱动和从动皮带轮固定地安装在彼此永久对准的位置,因为通过将驱动马达和从动皮带轮安装在位于扩展辊轴的一端的轴轴承壳体上 。 如橡胶或其它合适的弹性波纹管等形式的柔性联轴器将从动滑轮连接到至少一个滚动部分,用于将从动滑轮的旋转传递到滚动部分,以便可操作地旋转卷筒纸传播 滚。