The lawn mower, also known as the lawn mower, consists of a cutter disc, an engine, a running wheel, a running mechanism, a blade, an armrest and a control part. It consists of a parallel four-bar lifting device, a frame, a left and right single-wing weeding device, a whole machine deviation adjustment device, a comb tooth rotating bevel gear speed-increasing transmission mechanism and a comb tooth profiling depth adjustment device; the efficiency is 8 to 10 times higher than that of manual weeding, the seedling injury rate is low, and the seedling removal cleaning rate is high.
