Floor support plate steel structure frame

The invention discloses a floor support plate steel structure frame which comprises a supporting plate, a first supporting column and a mounting plate, a gear box is mounted at the top of a protection pipe, a first lead screw is mounted at the top of the gear box, a gear is mounted on the outer wall of the first lead screw, a second lead screw is mounted on the front face of a baffle, and a rotating disc is mounted on the front face of the second lead screw. A handle is installed on the front of the turntable. A first lead screw and a second lead screw are installed to adjust the height of a pressure-resistant plate, a plug pin is pulled out, a rotary disc is rotated through a handle, the rotary disc drives the second lead screw and a gear to rotate, the first lead screw drives the pressure-resistant plate and a telescopic inner pipe to move up and down together, and when the position of the pressure-resistant plate is determined, the plug pin is inserted again; the pressure-resistant plate can enhance the pr