Cup-shaped abrasive cloth wheel grinding head special for railway track polishing and derusting machine

The utility model discloses a cup-shaped abrasive cloth wheel grinding head special for a railway track polishing and derusting machine. The cup-shaped abrasive cloth wheel grinding head special for the railway track polishing and derusting machine comprises an end cover, wherein a center hole and a plurality of screw holes which are formed around the center hole and fixedly connected to the end face of the lower portion of a transmission shaft are formed in the end cover, a round groove used for fixing abrasive cloth pieces is formed in one side of the end cover, the abrasive cloth pieces incline by certain angles, so that a compact circular shape is formed, the end cover is driven by a motor to drive the abrasive cloth pieces to rotate, and thus polishing and derusting of a track are achieved. The cup-shaped abrasive cloth wheel grinding head special for the railway track polishing and derusting machine has the advantages of being large in abrasion area, elastic, beinot stuck under the overload condition, small in vibration and low in weight, the overall weight of the railway track polishing and derusting machine is reduced, and the accidents that people are injured due to cracking of the grinding head can be prevented.