High-precision blue light projection control instrument for wall body and secondary structure

The utility model discloses a high-precision blue light projection control instrument for a wall body and a secondary structure, which comprises a base and a foot screw connected with the lower surface of the base and used for adjusting the balance of the base, the adjustable collimation semiconductor lasers are located on the left side and the right side of the upper surface of the base and are symmetrically arranged, the vertical flatness control vertical collimation semiconductor laser is located on the rear side face of the base, and the column-in-column wall side laser plummet is located on the rear side face of the base. The device is portable, flexible, simple in structure, easy and convenient to operate, high in control precision, capable of being used repeatedly, practical, applicable and high in universality. The construction efficiency of the wall can be effectively improved, meanwhile, the perpendicularity and flatness quality of the wall are guaranteed, constructional column positioning, construc