Construction project installation positioning device

The utility model discloses a construction engineering installation positioning device which comprises a base, a left supporting frame and a right supporting frame are fixedly connected to the left portion and the right portion of the upper end of the base respectively, and a driving assembly is arranged on the left supporting frame. The driving assembly comprises a first motor, the output end of the first motor penetrates through the left supporting frame and is fixedly connected with a one-way lead screw, the outer surface of the one-way lead screw is movably connected with a lifting plate, and a positioning assembly is arranged on the surface of the lifting plate; the positioning assembly comprises a second motor, a bidirectional lead screw, a clamping plate and a placing plate, a sliding groove is formed in the middle of the upper end of the placing plate, and two positioning blocks are arranged in the sliding groove. The two-way lead screw is driven by the second motor to rotate, two clamping plates of t