The invention discloses an automatic speed change electric tractor wheel edge driving device, system and method in the technical field of wheel edge driving, and the device has a two-gear speed changefunction and can meet the requirements of an electric tractor for speed when the electric tractor travels on a normal road surface and the requirements for power under the tillage working condition at the same time. The device comprises a high-speed-stage planetary gear mechanism, a low-speed-stage planetary gear mechanism, a first electromagnetic clutch and a second electromagnetic clutch. The output end of a motor rotor is in transmission connection with a first sun gear of the high-speed-stage planetary gear mechanism, and a first planet carrier of the high-speed-stage planetary gear mechanism is in transmission connection with a second sun gear of the low-speed-stage planetary gear mechanism; the second sun gear is engaged with a plurality of second planet gears, the second planet gears are engaged with a second inner gear ring, and the second inner gear ring is fixedly connected with an output hub; and the first electromagnetic clutch and the second electromagnetic clutch are used for switching between a driving mode and a farming mode.
本发明公开了轮边驱动技术领域的一种自动变速电动拖拉机轮边驱动装置、系统及方法,装置具有两档变速功能,能同时满足电动拖拉机在正常路面行驶时对速度的要求和耕作工况下对动力的要求。包括高速级行星齿轮机构、低速级行星齿轮机构、第一电磁离合器和第二电磁离合器;电机转子的输出端与所述高速级行星齿轮机构的第一太阳轮传动连接,所述高速级行星齿轮机构的第一行星架与所述低速级行星齿轮机构的第二太阳轮传动连接;所述第二太阳轮与多个第二行星轮分别啮合,多个所述第二行星轮分别与第二内齿圈啮合,所述第二内齿圈与输出轮毂固定连接;第一电磁离合器和第二电磁离合器用于在行驶模式和耕作模式之间进行切换。
Automatic speed change electric tractor wheel edge driving device, system and method
一种自动变速电动拖拉机轮边驱动装置、系统及方法
2021-04-02
Patent
Electronic Resource
Chinese
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