Square tube assembly type inner mold supporting device

The utility model discloses a square tube assembly type internal mold supporting device, which relates to the technical field of building equipment, and comprises a pull rod, a supporting structure is arranged on the pull rod, and the supporting structure comprises a longitudinal supporting device and a transverse supporting device; the longitudinal supporting device comprises a panel and a connecting mechanism; the panel comprises a square frame, and the two sides of the square frame are movably connected with one side of an L-shaped supporting rod. The connecting mechanism is sleeved and fixed on the pull rod, and the two panels are respectively connected to the top and the bottom of the connecting mechanism; the transverse supporting device comprises webs, the webs are door-shaped supporting frames, the number of the webs is two, and the webs are movably connected to the two sides of the pull rod correspondingly, so that the hollow slab is not prone to deformation and displacement in the concrete pouring p