Prefabricated template supporting structure of reverse conical structure of pre-sedimentation sedimentation tank

A prefabricated formwork supporting structure of an inverted-cone-shaped structure of a pre-sedimentation sedimentation tank comprises a cross beam, a longitudinal beam, an inclined strut and a formwork fixing piece, a cross beam notch with threads is formed in the upper surface of the cross beam, a longitudinal beam notch is formed in one side face of the longitudinal beam, connecting plates are integrally connected to the two side faces of the bottom end of the longitudinal beam, and threaded holes are formed in the connecting plates; the longitudinal beams penetrate through the threaded holes in the connecting plates through bolts to be connected into the transverse beam notches, inclined strut notches are formed in the two side faces of the inclined struts, the two ends of the inclined struts are obliquely connected with positioning plates, positioning holes with threads are formed in the positioning plates, and the two ends of the inclined struts penetrate through the positioning holes in the positioning