The utility model relates to a wheel hub cover and wind generating set for wind generating set. The wheel hub cover covers the body and has the upwind -side who keeps away from the cabin and set up including the cover body for the wind generating set, is equipped with the manhole of fleing on the cover body, flee the manhole setting at the tip that covers upwind -side physically. The utility modeldiscloses an upwind -side tip that the manhole setting of will fleing was personally experienced sth. Part of the body at wheel hub cover, stop can not make in any position the position change of themanhole of fleing for one's life after making the wheel hub cover rotatory, it sets up and to make the rope that suspends in midair avoid the position of blade completely to flee the position of manhole simultaneously, avoid personnel to be blown the back striking on suspending the rope in midair on the blade, cause the secondary accident, and simultaneously, the setting of this position of manhole owing to flee, it can satisfy the operation requirement to need not to set up a plurality of manholes of fleing, spare part has been saved, the present invention reduces a processing working procedure, thus the cost is reduced, the sealing performance of wheel hub cover has been improved.