Pavement crack repairing device for traffic engineering construction

The invention discloses a pavement crack repairing device for traffic engineering construction. The device comprises a main box body. A rolling shaft is installed in the main box body, the rolling shaft is provided with a roll-shaped seam attaching belt and a framework, the lower portion of the main box body is provided with an outlet section obliquely extending outwards, and the outlet section isprovided with an inner layer, an outer layer and a middle layer in the working direction of a repairing device; and a front seam attaching belt outlet located in the inner layer, a middle framework outlet located in the middle layer, and a rear seam attaching belt outlet located in the outer layer are included. Outlet ends of the front seam attaching belt outlet, the middle framework outlet and the rear seam attaching belt outlet are located on the same straight line, and an included angle of 3-10 degrees is formed between each outlet end and a horizontal line. The width of the front seam attaching belt outlet is con