Dual-purpose electric roller skates

The utility model relates to a pair of roller skates and particularly relates to a pair of dual-purpose electric roller skates. The pair of dual-purpose electric roller skates comprises skate bodies and bearing supports arranged at the bottoms of the skate bodies, wherein the bearing supports are fixedly provided with motors; the shafts of the motors are provided with belt wheels; the power lines of the motors pass through gaps of the bearing supports so as to be connected with power supplies and controllers; the front ends of the bearing supports are provided with front wheels; the rear ends of the bearing supports are provided with rear wheels at which axles are arranged; after two ends of each axle penetrate through a bearing, one end of each axle is fastened by a nut and the other end of each axle is fastened by virtue of a clutch; the bearings are arranged in bearing chambers fixed by virtue of bearing seats which are fixed on the bearing supports; the clutches are connected with the belt wheels by virtu