The invention discloses a parallel shaft type heavy
truck single-motor three-gear
electric drive axle device, and relates to an
electric vehicle power device, the parallel shaft type heavy
truck single-motor three-gear
electric drive axle device comprises a motor, the motor is in power connection with a first output shaft, the first output shaft is provided with a first gear shifter, and the first gear shifter is used for transmitting power to a first shaft sleeve or a three-gear change gear
assembly; the first shaft sleeve is used for transmitting power to the first-gear change gear
assembly and the second-gear change gear
assembly; the differential mechanism is in power connection with a
left half shaft and a right half shaft of a vehicle
power output shaft, and the three-gear change gear assembly is in power connection with the
planet row. The second shaft sleeve is in power connection with the second gear shifter and the
planet row at the same time, and the second gear shifter is used for transmitting
power output by the first-gear speed change gear assembly or the second-gear speed change gear assembly to the second shaft sleeve. The invention further discloses a control method of the parallel shaft type heavy
truck single-motor three-gear
electric drive axle device. The
planet row three-gear speed change is adopted, the overall structure is compact, the integration degree is high, and the assembly size and cost are low.