Air blower of snow sweeper

The invention discloses an air blower of a snow sweeper, relates to the technical field of centrifugal air blower equipment, and solves the problem that the existing air blower cannot meet the requirements of the arrangement structure, the outlet flow rate, the energy efficiency and the like of the snow sweeper. Comprising a machine shell, a rotor set and a prime motor, the machine shell comprises a supporting installation base, a front side plate and a rear side plate, the supporting installation base is located on one side of the periphery of the machine shell, the front side plate is located at one end of the machine shell, the rear side plate is located at the other end, an air inlet is formed in the front side plate, and an air outlet is formed in the periphery of the machine shell; the rotor set comprises a main shaft and an impeller connected to the main shaft, the outer side of the rear side plate is connected with a bearing seat, the impeller is located in the machine shell, the main shaft is connect