Maintenance and repair device for road and bridge construction

The utility model is suitable for the technical field of road and bridge surface repair, and provides a maintenance and repair device for road and bridge construction. A guide sliding groove is formed in the top of the moving trolley. Two symmetrical positioning columns are fixed to the top of the moving trolley. A leveling assembly is arranged between the two positioning columns in a sleeved and matched mode. The leveling assembly comprises a U-shaped sleeving frame; two symmetrical guide sliding frames are fixed to the top in the U-shaped sleeving frame. Sliding blocks are in sliding fit with the two guide sliding frames; a leveling plate is fixed on one side of the two sliding blocks; a rectangular groove is formed in the center of one side of the leveling plate; a hinge column is fixed in the rectangular groove; arc-shaped frames are fixed to the sides, away from the guide sliding grooves, of the tops of the moving vehicles; an arc-shaped block is in sliding fit in the arc-shaped frame; hinge seats are fi