联杆连接属于轧压设备的最昂贵的部件。在修配性生产和备用零件供应中,占有重要地位。研究和分析保证提高联杆结构的耐久性因素,是改善轧机工作经济指标的迫切任务。在万能联杆工作可靠性中,重要的意义在于活节强度计算的准确性。现有的联 Link connection belongs to the most expensive part of the rolling equipment. In the repair of production and spare parts supply, occupy an important position. Research and analysis to ensure the durability of the link structure to improve the factors that is an urgent task to improve mill economic indicators. In the reliability of universal joint work, the important significance lies in the accuracy of joint strength calculation. Existing association