On-site laminated construction jig frame for large-span arched prestressed roof panel

The utility model belongs to the field of buildings, and particularly relates to an on-site laminated construction jig frame for a large-span arched prestressed roof panel, which comprises a jig frame base and a lifting frame, the jig frame base comprises two pieces of horizontal channel steel arranged in parallel and a plurality of steel wire sleeves connected with the two pieces of horizontal channel steel. The lifting frame comprises a plurality of groups of vertical channel steel units which are vertically connected with the horizontal channel steel; each group of vertical channel steel units comprises two pieces of vertical channel steel which are symmetrically arranged and are respectively connected with the two pieces of horizontal channel steel; the vertical channel steel is provided with a plurality of round holes used for being connected with a roof panel side mold. The construction jig frame is easy to manufacture, small in occupied area, high in rigidity, not prone to deformation and capable of ef