The utility model discloses a kind of equipment for identifying hoop deformation arrangement line drawing, including support table, the upper surface of the support table is fixed with vibration plate, special track is fixed with on the vibration plate, the output end of the special track is fixedly connected with slide, the just below of the slide, support column is fixed with on the upper surface of support table, flat feeder is fixed with above the support column, the output end of the flat feeder is fixedly connected with support, line drawing pen is fixed with on the support;Accurately detect hoop deformation through special track, ensure that line drawing position is accurate, line is neat and beautiful, flat feeder can make line drawing mechanism uniform motion, the marking line drawn is more normative, equipment can continuous automatic operation, without manual frequent operation, can effectively reduce the working intensity of operator, make it free from repetitive tedious manual labor.