Construction engineering protective net

The utility model relates to the field of protective nets, and discloses a constructional engineering protective net which comprises a pressing handle, a vertical rod, a folding frame and a top plate,the vertical rod is of a cylindrical hollow structure, racks are installed on the periphery of the inner wall of the vertical rod, the two ends of the top plate are both rotationally connected with gears, and the gears on the top plate are clamped with the racks on the vertical rod. The tail end of the pressing handle is rotationally connected with one side of a first rotating shaft, the other side of the first rotating shaft is rotationally connected with one face of a fixing plate, one side of the pressing handle is fixedly connected with one face of a clamping plate, the other face of theclamping plate abuts against a top plate, and a clamping groove is formed in the side, away from the pressing handle, of a vertical rod. And the clamping groove in the vertical rod is clamped with theclamping plate on the pres