Water conservancy pipeline supporting device

The utility model discloses a water conservancy pipeline supporting device which comprises a bottom plate, a supporting column installed on the top of the bottom plate, a transverse plate installed on the top of the supporting column and a limiting adjusting mechanism arranged on the upper portion of the transverse plate. The two movable plates are arranged on the left side and the right side of the top of the transverse plate correspondingly. Through mutual cooperation of the moving plate, the fixing shaft, the annular plate, the connecting plate, the mounting block, the arc-shaped clamping block, a pulling plate, a sliding groove, a sliding block, a positioning rod, a positioning groove, an elastic piece, a limiting block, a limiting groove, a fixing groove, a forward rotating threaded rod, a reverse rotating threaded rod, a threaded block and a rotating block, pipelines of different sizes can be conveniently supported, limited and fixed; and meanwhile, the stability during supporting is guaranteed, the sit