Double overrunning clutch shaft sleeve output automatic transmission main shaft assembly of planetary gear train input

The invention discloses a double overrunning clutch shaft sleeve output automatic transmission main shaft assembly of planetary gear train input. Planetary deceleration input is adopted; a transmission system includes a low-speed gear transmission mechanism, a reverse transmission mechanism and an adaptive transmission component; and the reverse mechanism has a first transmission ratio capable oftransferring the reverse power from a subshaft to a main shaft, the low-speed gear transmission mechanism has a second transmission ratio capable of transferring the low speed gear power from the subshaft to the main shaft, and the first transmission ratio is greater than or equal to the second transmission ratio. By means of the double overrunning clutch shaft sleeve output automatic transmissionmain shaft assembly of the planetary gear train input, the overall structure is simple and compact by using the reasonable coordination of two overrunning clutches; the reverse transmission, the low-speed gear transmission an