Position fixing device of universal supporting device

The invention discloses a position fixing device of a universal supporting device, and belongs to the technical field of universal supporting devices, the position fixing device comprises a fixing disc, a supporting module is arranged on the top surface of the fixing disc, a fixing hole is formed in the fixing disc, the fixing hole is circular, a supporting plate is arranged on the top of the supporting module, and the supporting plate is arranged on the top of the supporting module. A fixing assembly is arranged at the top of the supporting plate, an adjusting assembly is arranged in the supporting plate, and a dismounting assembly is arranged at the top of the supporting plate; according to the stone paving device, the fixing assembly is arranged, through the design, a buckle plate is conveniently mounted and dismounted through a clamping block and a clamping hole, the use flexibility of the stone paving device is improved, the position of a stone is further fixed through the buckle plate after the stone is