Fan-shaped steel plate curved surface forming device

The invention provides a fan-shaped steel plate curved surface forming device, which comprises a fixed platform and a movable support arranged on two sides and the upper part of the platform. The movable support comprises an upper hydraulic portal frame and supporting and moving components on the bottom parts of two sides; a plurality of soffit formworks are perpendicularly arranged on the platform, and are connected with a plurality of double-layer clamp plates welded and fixed onto the platform through bolts; a horizontal cross beam is arranged above the hydraulic portal frame; two groups of movable hydraulic pushing devices are arranged on the bottom part of the cross beam in a hanging way; vertical rotating pressure devices are arranged on the bottom parts of the movable hydraulic pushing devices; and each pressure device comprises an iron block with grooves in the upper part and the lower part, and two cylindrical iron rods welded in the upper groove and the lower groove of the iron block so as to form a