Rubble spreading device for pavement construction

The utility model discloses a rubble spreading device for pavement construction, and relates to the technical field of road pavement. Comprising a spreading front frame, two fixing plates are fixedly arranged on the inner wall of the spreading front frame, a spreading structure is arranged on the two fixing plates in a sliding mode, and the spreading structure comprises a spreading outer frame, a rotating shaft rod, a rotating disc, a plurality of stirring rods, a main meshing assembly and an auxiliary meshing assembly. Through a spreading outer frame, a rotating shaft rod, a rotating disc and a stirring rod, gravels can be laid along a road surface, the gravels are scattered on the ground and are dispersed, and meanwhile, the dispersion surface of the gravels is kept plane, so that the gravels are continuously laid, and the gravels spreading effect is improved; by means of the main meshing assembly, the auxiliary meshing assembly, the supporting frame, the auxiliary double-chain-wheel shaft and the connectin