| 摘要 |
An auto-transmission of two-grade is provided to increase the durability and the stability by solving overload when a gear is inserted with an electronic device. A decelerator(1) decelerates the rotation of a wheel drive motor, and the axis(2) of the decelerator is combined with the primary axis(5). A first primary gear(3) and the second primary gear(4) are unified on the primary axis by a certain space. The wheel drive motor and decelerator on the primary shaft are combined with a load(6), and one side of the load is inserted in a sleeve(7). A sleeve guide reciprocates with supporting the wheel drive motor and the decelerator.
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