The invention discloses a planetary gear type three-gear transmission for a new energy automobile, which comprises an input shaft, an output shaft, a driving motor, three brakes, three planetary gear trains arranged in parallel, a sun gear in transmission connection with the input shaft, a planet gear meshed with the sun gear, a planet carrier in transmission connection with the input shaft and a planet gear ring meshed with the planet gear, the planetary gear ring is braked through a brake, and the input shaft and the output shaft are parallel. Relative smoothness of the vehicle gear shifting process can be guaranteed, the situation of vehicle power interruption in the gear shifting process is reduced, the vehicle running smoothness is improved, the utilization rate of a motor and a battery can be improved, the problems that the size of the motor is large and the like are solved, more feasible schemes are provided for a pure electric vehicle in the field of multi-gear transmissions, and the practicability is high. And the efficiency, performance and driving experience of the vehicle are improved.
本发明公开了一种行星齿轮式新能源汽车用三挡变速器,包括输入轴、输出轴、驱动电机、3个制动器、以及3个平行布置的行星轮系,与输入轴传动连接的太阳轮、与太阳轮啮合的行星轮、与输入轴传动相连的行星架和与行星轮啮合的行星齿圈,行星齿圈借助制动器制动,输入轴和输出轴相互平行。本发明可以保证车辆换挡过程相对平顺,减少在换挡过程中发生车辆动力中断的情况,提高车辆运行的平顺性,有助于提高电机和电池的利用率,解决电机尺寸大等问题,为纯电动汽车在多挡位变速器领域提供更多的可行方案,提高车辆的效率、性能和驾驶体验。
Planetary gear type three-gear transmission for new energy automobile
一种行星齿轮式新能源汽车用三挡变速器
2024-08-16
Patent
Electronic Resource
Chinese
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