The invention relates to a two-gear planetary speed change mechanism and a vehicle transmission system, belongs to the technical field of vehicle transmission, and solves the problems that in the prior art, a speed reducer of a hub electric drive vehicle is large in size and small in reduction ratio. Comprising a speed reducer shell, an input component (IN), an output component (OUT), a common planet row (PGS1), a double-inner-meshing planet row (GCR1), a transmission component and a synchronizer (TBQ), wherein the input component (IN) is in transmission connection with the common planet row (PGS1), and the common planet row (PGS1) is fixedly connected with the input end of the transmission component; the output end of the transmission component is fixedly connected with the double-inner-meshing planet row (GCR1), and the double-inner-meshing planet row (GCR1) is in transmission connection with the output component (OUT). And a synchronizer (TBQ) which enables the ring gear (R1) of the common planet row (PGS1) to be selectively connected with the speed reducer housing or the input component (IN). The speed change mechanism is compact in structure, small in size, light in weight and high in power density.
本发明涉及一种两挡行星变速机构及车辆传动系统,属于车辆传动技术领域,解决了现有技术中轮毂电驱动车辆的减速器体积大、减速比小的问题。包括减速器壳体和设置于减速器壳体内的输入构件(IN)、输出构件(OUT)、普通行星排(PGS1)、双内啮合行星排(GCR1)、传动构件以及同步器(TBQ);其中,输入构件(IN)与普通行星排(PGS1)传动连接,普通行星排(PGS1)与传动构件的输入端固定连接;传动构件的输出端与双内啮合行星排(GCR1)固定连接,双内啮合行星排(GCR1)与输出构件(OUT)传动连接;同步器(TBQ),使得普通行星排(PGS1)的齿圈(R1)可选择地与减速器壳体或者输入构件(IN)连接。本发明的变速机构结构紧凑、体积小、重量轻、功率密度高。
Two-gear planetary speed change mechanism and vehicle transmission system
一种两挡行星变速机构及车辆传动系统
2024-07-09
Patent
Electronic Resource
Chinese
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