Asphalt concrete wear resistance testing device

The utility model discloses an asphalt concrete wear resistance testing device, and particularly relates to the technical field of asphalt concrete test.The asphalt concrete wear resistance testing device comprises an operation table, an L-shaped installation plate is fixedly connected to the top of the outer surface of the operation table, and an electric telescopic rod is fixedly installed at the top of the outer surface of the L-shaped installation plate; a dustproof grinding device is arranged between the output end of the electric telescopic rod and the operation table, a penetrating placement groove is formed in the inner wall of the operation table, and the dustproof grinding device can be matched with a first ring clamping block and a first ring clamping groove under the action of a rotating disc to seal the top of a working groove; and under the action of a brush rod on a semicircular grinding piece, the chippings on the outer surface of a material being ground can be scraped off, and under the actio