Steel structure support convenient to disassemble

The utility model relates to the technical field of steel structures, in particular to a steel structure support convenient to disassemble, which can carry out adaptive lifting adjustment on an actual steel structure, is more convenient to assemble and disassemble, and improves the practicability. Comprising a supporting base, fixing pieces, a transmission box, a screwing handle, a driving bevel gear, a first bevel gear, a bevel gear connecting rod, a second bevel gear, a driven bevel gear, a screw rod, a screw tube, a steel structure assembling supporting frame and an assembling opening, the front side and the rear side of the supporting base are connected with the inner ends of the fixing pieces correspondingly, and the top end of the supporting base is connected with the bottom end of the transmission box; the top ends of the two sets of driven bevel gears are connected with the bottom ends of a set of screws correspondingly, the two sets of screws are rotationally connected to the left side and the right