Electric locomotive side wall filter

The utility model discloses an electric locomotive side wall filter, which relates to the field of electric locomotives and comprises a frame and a plurality of threaded holes. A plurality of filter screen assemblies are arranged on the side wall of the frame, and each filter screen assembly is composed of a plurality of filter screens; the filter screen comprises a filter screen body arranged on the side wall of the frame, the filter screen body is of a V-shaped structure, the two sides of the end, close to the frame, of the filter screen body are each provided with a connecting plate and a plurality of semicircular holes, and bolts are arranged in the semicircular holes; cylinders and connecting holes are arranged at one end of the filter screen body away from the frame; a plurality of through holes are formed in the side wall of the filter screen body; a connecting shaft is arranged between every two adjacent filter screens in each filter screen assembly, and the two ends of each connecting shaft extend in