Electric automobile variable-speed transmission device
A variable-speed transmission and electric vehicle technology, applied to multi-ratio transmissions, transmissions, gear transmissions, etc., can solve the problems of inconvenient disassembly and maintenance, high cost, and complexity, and achieve the effect of simple and compact structure and saving space
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Embodiment 2
[0048] refer to image 3 The difference between this embodiment and Embodiment 1 is that the left output shaft and the right output shaft of the planetary gear extend to the outside of the transmission housing 1, and the lock 25 is arranged on the left output shaft and the right output shaft of the planetary gear. At the end of the shaft, such arrangement can make the installation, disassembly and maintenance of the locking device 25 more convenient, and the action of the locking device 25 and the transmission inside the transmission housing 1 do not affect each other.
Embodiment 3
[0050] refer to Figure 4 The difference between the present embodiment and the second embodiment is that a chute 29 is provided symmetrically on the gear carrier 5, and a driving device 30 is fixedly connected in the chute 29, and the driving device 30 can be a push rod motor or an air cylinder. Among them, it is preferably a push rod motor, and the end of the beam 28 away from the planetary wheel 27 is fixedly connected to the end of the output shaft of the push rod motor and is slidably connected in the chute 29, that is, the drive of the planetary wheel 27 on the beam 28 can be realized by the push rod motor The descending gear carrier 5 slides radially, thereby realizing the relative separation of the planetary gear 27 from the left side gear 10 and the right side gear 11, and finally realizing the purpose of shifting the car to neutral.
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