Positioning device for glass curtain wall construction

The utility model relates to a positioning device for glass curtain wall construction, which aims to solve the technical problem of low installation efficiency at present, and comprises a vehicle body and a positioning component, the positioning assembly is arranged on the vehicle body; the positioning assembly comprises a wedge-shaped block, a fixed block, a sliding groove, a driving motor, a sliding block, a lead screw, a positioning plate, an air pump and a suction cup. The wedge-shaped block is fixedly arranged on the vehicle body; the fixed block is arranged on the wedge block in a penetrating manner, and the end part of the fixed block is fixedly connected with the vehicle body; a sliding groove is formed in the fixing block. The driving motor is connected with the inner wall of the chute through a bolt A; the sliding block is slidably arranged in the sliding groove. The end of the sliding block penetrates through the sliding groove and extends to the outside. The lead screw is fixedly connected with th