Instant heating device for road asphalt

The utility model discloses a road asphalt instant heating device, which belongs to the technical field of road construction and comprises a support base for moving, a heating barrel arranged above the support base and used for heating asphalt, and a crushing box arranged on one side of the heating barrel and used for crushing the asphalt, a first motor is fixedly mounted on one side of the crushing box, an output shaft of the first motor penetrates into an inner cavity of the crushing box and is fixedly connected with a driving roller, and a driven roller is arranged on one side of the driving roller and located in the inner cavity of the crushing box; the end, away from the first motor, of the driving roller and the two ends of the driven roller are rotationally connected with the inner wall of the smashing box, and a plurality of fan-ring-shaped smashing blocks are welded to the periphery of the driving roller and the periphery of the driven roller. According to the instant heating device for the road asph