Multi-directional supporting device for fabricated building

The invention relates to the technical field of fabricated buildings, in particular to a multi-directional supporting device for a fabricated building, which comprises a mounting seat and two supporting plates hinged to each other, one supporting plate is mounted on the mounting seat, and the other supporting plate can turn over on the horizontal plane; a mounting shell is arranged on one supporting plate, a spline shaft is slidably embedded in the mounting shell, and the spline shaft is connected to the mounting shell through a first spring; a fixing shell is arranged on the other supporting plate, and a spline groove is formed in the fixing shell; two first limiting rods slidably penetrate through the mounting shell in the radial direction of the mounting shell, the two first limiting rods are connected to the mounting shell through third springs, and two first limiting grooves are formed in the spline shaft; the supporting plate is slidably connected with pressing bases in the thickness direction of the su