The invention discloses a chain transmission middle-mounted wheel core drive electric drive automatic speed change system. The system comprises a power input mechanism, a drive wheel, a speed reduction input mechanism arranged on a middle shaft outside the wheel, a wheel installation shaft connected with the middle shaft outside the wheel through a chain transmission assembly and a gear shifting transmission mechanism arranged on the wheel installation shaft, wherein the power input mechanism transmits power to the driving wheel through the speed reduction input mechanism, the chain transmission assembly, the wheel installation shaft and the gear shifting transmission mechanism in sequence. The system is advantaged in that the reduction ratio is increased, so a high-speed motor can be adopted for driving, motor efficiency is improved, the endurance mileage is increased, meanwhile, a chain transmission mode is reserved, the acceleration and deceleration impact of the two-wheeled vehiclecan be buffered, the distance change between chain wheels caused by up-and-down oscillation of a suspension system is reduced, and two-gear shifting can be realized; the electric two-wheeled vehiclehas strong climbing and heavy load capacities, the motor can be always located on the efficient platform, and motor efficiency is further improved.

    本发明公开了一种链条传动中置式轮芯驱动电驱动自动变速系统,包括动力输入机构、驱动轮、设置在轮外中间轴上的减速输入机构、通过链条传动组件与轮外中间轴连接的车轮安装轴以及设置在车轮安装轴上的换挡传动机构,动力输入机构依次通过减速输入机构、链条传动组件、车轮安装轴和换挡传动机构将动力传递给驱动轮。采用以上方案,增大了减速比,从而能够采用高速电机作为驱动,提高了电机效率,增加了续航里程,同时保留链条传动的方式,可以缓冲两轮车加减速的冲击,减小悬挂系统上下震荡造成链轮之间的距离变化,并且能够实现两挡换挡,不仅使电动两轮车具有强大的爬坡和重载能力,而且使电机能够始终处于高效平台上,进一步提高了电机效率。


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    Title :

    Chain transmission middle-mounted wheel core drive electric drive automatic speed change system


    Additional title:

    链条传动中置式轮芯驱动电驱动自动变速系统


    Contributors:
    XUE RONGSHENG (author) / ZHANG YINHANG (author) / CHEN JUNJIE (author) / WANG JING (author) / CHEN TONGHAO (author) / SHU LEI (author) / TAN ZHIKANG (author) / DENG TIANYI (author) / DENG YUNFAN (author) / LIANG PINQUAN (author)

    Publication date :

    2021-03-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer



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