Heat treatment device for turnout switch rail

The utility model discloses a heat treatment device for a turnout switch rail, and belongs to the technical field of turnout production. The device comprises a conveying structure, a medium-frequency heating furnace and an air cooling structure, the air cooling structure comprises a rack, a lifting frame, a top air cooling assembly, two side air cooling assemblies and a floating air cooling assembly, the top air cooling assembly is located over a steel rail, and a plurality of air nozzles are arranged on the lower side of the top air cooling assembly; the two side air cooling assemblies are located on the left side and the right side of the upper portion of the steel rail correspondingly. A fixed beam is arranged on the rear side of the lifting frame; the floating air cooling assembly is arranged in the front-back direction and hung on the fixed beam, pulleys are arranged on the front side and the rear side of the bottom of the floating air cooling assembly in the left-right direction, the floating air coolin