The invention relates to the technical field of planetary gear set transmission, and discloses a coaxial transmission device, a power system and a vehicle, the coaxial transmission device comprises a shell assembly, a planet carrier assembly, a sun wheel assembly, a planet wheel assembly and a differential mechanism assembly, and an inner gear ring part is arranged in the shell assembly; the planet carrier assembly is rotationally arranged in the shell assembly around the axis of the planet carrier assembly, and a driving cavity and an output cavity are formed in the planet carrier assembly in the axial direction of the planet carrier assembly. The sun gear assembly is rotationally arranged in the driving cavity around the axis of the sun gear assembly and is in transmission connection with a rotating shaft of the rotating driving device; the multiple planet wheel assemblies are evenly distributed in the circumferential direction of the planet carrier assembly, and the two ends of a rotating shaft of each planet wheel assembly are connected with the planet carrier assembly. The differential assembly is rotationally arranged in the output cavity around the output axis of the differential assembly, and a planetary gear component of the differential assembly is fixedly connected with the planetary carrier assembly; the problems that a coaxial transmission device is poor in dynamic balance performance and poor in NVH performance can be solved.
本申请涉及行星齿轮组传动技术领域,公开了一种同轴传动装置、动力系统及车辆,包括壳体组件、行星架组件、太阳轮组件、行星轮组件和差速器组件,壳体组件内设置有内齿圈部件;行星架组件绕其轴线转动设置在壳体组件内,行星架组件沿其轴向设置有驱动腔和输出腔;太阳轮组件绕其轴线转动设置在驱动腔内,太阳轮组件用于与旋转驱动装置的旋转轴传动连接;行星轮组件设置有多个,且沿行星架组件的周向均布,行星轮组件的转轴的两端均与行星架组件连接;差速器组件绕其输出轴线转动设置在输出腔内,差速器组件的行星齿部件与行星架组件固定连接;能够解决同轴传动装置动平衡性能差,以及NVH性能差的问题。
Coaxial transmission device, power system and vehicle
同轴传动装置、动力系统及车辆
2025-04-25
Patent
Electronic Resource
Chinese
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