Metal lockrand plate and fixing device

The metal lockrand plate fixing device comprises a U-shaped steel purline and a metal lockrand plate which are arranged in the same direction, a fixing support is connected to the U-shaped steel purline, an inner hook is arranged at the opening end of the upper portion of the U-shaped steel purline, a hook clamping part matched with the inner hook is arranged on the lower portion of the fixing support, and the U-shaped steel purline is connected with the metal lockrand plate. An arc-shaped panel meshing part is arranged at the upper end of the fixed support, and a first meshing part and a second meshing part which are matched with the arc-shaped panel meshing part are arranged at the two ends of the metal lockrand plate respectively. According to the roof panel connecting and fixing device with high wind resistance and the metal lockrand plate used in cooperation with the roof panel connecting and fixing device, the purline and the roof panel are arranged in the same direction, the fixing support is connected