| 摘要 |
The utility model relates to an automatic transmission (1) comprising a plurality of planetary gear sets (7, 17, 27) and a transmission shell (3) containing the planetary gear sets (7, 17, 27), wherein a first planetary gear set (7) is arranged in a manner of being the closest to an end cover (43), a second planetary gear set (17) is adjacent to the front side of the first planetary gear set (7), and the first planetary gear set (7) and the second planetary gear set (17) respectively comprise a solar wheels (7a, 17a), a pinions (7e, 17e) and a gear rings (7b, 17b); and the automatic transmission (1) further comprises an annular assembly plate (57) surrounding an input shaft (21), the assembly plate (57) is arranged between the first planetary gear set (7) and the second planetary gear set (17) in a manner of clamping the first planetary gear set (7) between the assembly plate (57) and the end cover (43), and is connected with the second gear ring (17b) on the front side of the automatic transmission. Therefore, the automatic transmission disclosed by the utility model has excellent assembly performance. |
