Quick-assembly and quick-disassembly rotor device of centrifugal blower

The utility model relates to a centrifugal blower quick-assembly quick-disassembly rotor device, which comprises an impeller, a hub, a main shaft, an expansion sleeve and a pressing sleeve, one end of the main shaft is connected with a prime mover, the other end of the main shaft forms an optical axis section, the optical axis section of the main shaft is sleeved with the hub, and the impeller and the hub are welded or riveted into a whole; an expansion sleeve and a pressing sleeve are installed between the hub and the main shaft, one side of the pressing sleeve is adjacent to the expansion sleeve, and the other side of the pressing sleeve extends to the outer portion of the hub and abuts against a pressing plate. The pressing plate is connected with the hub and the main shaft through compression bolts, and the pressing plate compresses the compression sleeve and the expansion sleeve. The utility model has the advantages that the structure is simple, the processing and manufacturing requirements are low, the