牵引机设备：履带式牵引，履带按轴向对称均匀分布，夹紧放松通过滑块丝杠电动调节，由摆线针轮减速机通过链条及万向节传动轴带动蜗轮减速机来带动履
带传动，胶块采用硅胶材质，牵引时能够更好地夹紧管材行进，机架采用型钢制作，全程采用变频调速控制， 牵引稳定，能够与主机同步工作。
Traction machine: crawler type traction, the crawler is symmetrically and evenly distributed in axial direction, the clamping and relaxation are
electrically adjusted by slider lead screw, the cycloidal pinwheel reducer drives the worm gear reducer through the ch