Solar photovoltaic fixing support capable of preventing wind and sand

The utility model relates to the technical field of solar photovoltaic modules. The utility model relates to a solar photovoltaic fixing support, in particular to a sandstorm-proof solar photovoltaicfixing support. U-shaped supporting frame, supporting plates are fixedly mounted at the two ends of the bottom of the U-shaped supporting frame; a top plate is arranged at the top of the U-shaped supporting frame; a plurality of filtering holes which are uniformly distributed are formed in the bottom and the top plate of the U-shaped supporting frame; insertion grooves are formed in the four corners of the top of the U-shaped supporting frame. Inserting blocks are fixedly mounted at four corners of the bottom of the top plate; a workbench is arranged at the bottom end of the U-shaped supporting frame. A bidirectional lead screw is arranged at the bottom end of the U-shaped supporting frame; guiding rods are arranged on the two sides of the two-way lead screw, a connecting plate is connected to the top of the workb