The invention provides an electric engineering vehicle drive axle assembly and an electric engineering van, the electric engineering vehicle drive axle assembly comprises an axle housing assembly, a main speed reducer and a power output device, the main speed reducer and the power output device are arranged on the axle housing assembly, and the main speed reducer comprises an input shaft connected with the power output device; the high-speed-stage sun gear is arranged on the input shaft, the high-speed-stage planet carrier is arranged at one end of the first transmission shaft, the high-speed-stage planet gear is rotatably arranged on a high-speed-stage planet shaft of the high-speed-stage planet carrier and meshed with the high-speed-stage sun gear, and the high-speed-stage inner gear ring is arranged on the axle housing assembly and meshed with the high-speed-stage planet gear. A low-speed sun gear, a low-speed planet carrier arranged at one end of the second transmission shaft, a low-speed planet gear rotationally arranged on a low-speed planet shaft of the low-speed planet carrier and meshed with the low-speed sun gear, and a low-speed inner gear ring arranged on the axle housing assembly and meshed with the low-speed planet gear are arranged at the other end of the first transmission shaft; the reduction ratio is large, a transmission chain is short, the transmission efficiency is more efficient and reliable, and the size is smaller.
本发明提供了一种电动工程车辆驱动桥总成及电动工程车,包括桥壳总成,设置于所述桥壳总成上的主减速器和动力输出装置,主减速器包括有与动力输出装置连接的输入轴,设置于输入轴上的高速级太阳轮、设置于第一传动轴一端的高速级行星架、可转动设置于高速级行星架的高速级行星轴上与高速级太阳轮啮合的高速级行星轮、设置于桥壳总成上与高速级行星轮啮合的高速级内齿圈、第一传动轴的另一端设置有低速级太阳轮、设置于第二传动轴一端的低速级行星架、可转动设置于低速级行星架的低速级行星轴上与低速级太阳轮啮合的低速级行星轮、设置于桥壳总成上与低速级行星轮啮合的低速级内齿圈;减速比大,传动链短,传动效率更加高效可靠,且体积更小。
Electric engineering vehicle drive axle assembly and electric engineering vehicle
一种电动工程车辆驱动桥总成及电动工程车
2024-11-26
Patent
Electronic Resource
Chinese
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