The invention discloses a lower-end friction wheel driving mechanism for a handrail belt of an escalator. The escalator comprises a step chain and the handrail belt. The lower end friction wheel driving mechanism comprises a rotary chain wheel in transmission fit with the step chain, a first chain wheel arranged on a central shaft of the rotary chain wheel, a friction wheel in transmission fit with the hand strap, and a second chain wheel arranged on a central shaft of the friction wheel; the driving chain is connected between the first chain wheel and the second chain wheel; and the auxiliary tensioning device is used for adjusting the tightness degree of the driving chain. The structure of the escalator or the moving sidewalk is used for replacing a conventionally-adopted handrail belt auxiliary driving device, a motor does not need to be additionally arranged for providing driving force, lower end auxiliary driving is effectively provided for the handrail belt, the manufacturing cost is saved, and the structure is safe and reliable.

    本发明公开了一种扶梯扶手带的下端摩擦轮驱动机构,所述扶梯包括梯级链和扶手带;所述下端摩擦轮驱动机构包括与梯级链传动配合的回转链轮、设置于回转链轮的中心轴上的第一链轮、与扶手带传动配合的摩擦轮、设置于摩擦轮的中心轴上的第二链轮、连接于第一链轮和第二链轮之间的驱动链条以及用于调节驱动链条松紧程度的辅助张紧装置。本发明利用扶梯或自动人行道的自身结构,代替常规采用的扶手带辅助驱动装置,不需要额外增加马达提供驱动力,有效为扶手带提供下端辅助驱动,节约制造成本,且结构安全可靠。


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    Title :

    Lower end friction wheel driving mechanism of escalator hand strap


    Additional title:

    一种扶梯扶手带的下端摩擦轮驱动机构


    Contributors:
    LI JUN (author) / YANG LIYONG (author) / LI HONGBIN (author)

    Publication date :

    2023-05-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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