The invention discloses an automobile, an electric drive axle and a double-planetary-wheel type speed reducer assembly. The double-planetary-wheel type speed reducer assembly comprises a first input shaft, a second input shaft, a center shaft, a first planetary gear train and a second planetary gear train. The first input shaft and the second input shaft are respectively in transmission connection with the central shaft through gear reduction mechanisms, and the first input shaft and the gear reduction mechanism between the first input shaft and the central shaft as well as the second input shaft and the gear reduction mechanism between the second input shaft and the central shaft are symmetrically arranged relative to the central shaft; the center shaft is in transmission connection with a sun gear shaft of the first planetary gear train, a planet carrier of the first planetary gear train is in transmission connection with a sun gear shaft of the second planetary gear train, and a planet carrier of the second planetary gear train serves as an output end. By applying the scheme, the dynamic property of the whole vehicle and the system cost can be considered through structural optimization, and meanwhile, the influence from road surface impact load can be effectively reduced.
本发明公开一种汽车、电驱桥及双行星轮式减速器总成,该双行星轮式减速器总成包括第一输入轴、第二输入轴、中心轴、第一行星轮系和第二行星轮系;所述第一输入轴和第二输入轴分别通过齿轮减速机构传动连接至所述中心轴,且所述第一输入轴及其与所述中心轴之间的齿轮减速机构,与所述第二输入轴及其与所述中心轴之间的齿轮减速机构,相对于所述中心轴轴对称设置;所述中心轴与所述第一行星轮系的太阳轮轴传动连接,所述第一行星轮系的行星架与所述第二行星轮系的太阳轮轴传动连接,并以所述第二行星轮系的行星架为输出端。应用本方案,通过结构优化可兼顾整车动力性和系统成本,同时可有效降低来自路面冲击载荷的影响。
Automobile, electric drive axle and double-planet-wheel type speed reducer assembly
一种汽车、电驱桥及双行星轮式减速器总成
2022-12-09
Patent
Electronic Resource
Chinese
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