Abstract:In view of the specialty of the dismantlewheel equipment and its tyres, a set of special equipment was designed to dismantle and remove the tyres of light rail handily efficiently and safely. In the system, the way of PLC controlling hydraulic system was adopted. In its hydraulic system, the control model of the hydraulic valve block was adopted, so the system had compact structure, easy installation and maintenance. At present, the equipment has been put into normal use.