Wheel hub of wind-powered generator

The utility model relates to a wheel hub of a wind-powered generator, which comprises a spherical main body, a spindle connecting flange and a plurality of blade connecting flanges that are arranged on the main body, wherein the blade connecting flanges are symmetrically arranged along the circumferential direction of the main body; the wheel hub is characterized in that a plurality of manholes and flow-guiding cover fitting seats are arranged on the outer wall of the main body of the wheel hub, wherein the manholes are communicated with the interior and the exterior of the main body of the wheel hub; and mounting holes corresponding to the flow-guiding cover fitting seats are formed on the end surface of the spindle connecting flange of the main body of the wheel hub. Since the flow-guiding cover fitting seats are arranged on the wheel hub, during installation, the flow-guiding covers with doors and windows and the mounting holes on the end surface of the spindle connecting flange are fixed on the main body