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强大的风力和铁路电气化改造,使新疆风区停站车辆的防溜成了亟待解决问题。分析了车辆溜逸力的来源,构建了车辆溜逸阻力分析图,改进了防溜设备(一对能承受176.4 kN力的铁鞋及其止动器和左右螺母式手制动机),根据来袭大风风力,计算出防溜逸阻力需求,制定了防溜决策。如对一列挂有50辆空敝货物列车的防溜决策是:7至9级风可用2-4个手制动机来防溜,10至11级风时,用配对的铁鞋及其止动器再加拧2个手制动机来防溜;12至17级风时,除用铁鞋及其止动器外,还须分别加拧4,8,12,18,24,31个手制动机来防溜。用有限元分析软件ANSYS对铁鞋、止动器及手制动机进行强度分析,通过调整结构强度富裕部位和改进薄弱环节,提高防溜设备的可靠性。本文所探讨的防溜决策和改进设计的防溜设备,用来指导车辆防溜工作,极大地提高了效率。
The strong wind power and the electrification of the railway have made the anti-slip of stopping vehicles in the windy area of Xinjiang a problem to be solved urgently. Based on the analysis of the origin of the slip force of the vehicle, the analysis diagram of the slip resistance of the vehicle is built, and the anti-slip equipment (a pair of iron shoes capable of withstanding 176.4 kN force and its left and right hand type handbrake) Strike wind gale, calculated anti-slip resistance requirements, developed anti-slip policy. For example, the anti-slip policy of hanging a train with 50 empty cargoes on an empty train is that the wind from 7 to 9 winds can be used to prevent slippery when 2-4 hand-made motives are used, and when the winds from 10 to 11 winds, Actuator twisting 2 hand brake to prevent slippery; 12-17 wind, in addition to using iron shoes and its stopper, also have to add 4,8,12,18,24,31 Hand brake to prevent slippery. Using ANSYS finite element analysis software to analyze the strength of iron shoe, stopper and hand brake, improve the reliability of anti-slip equipment by adjusting the position of rich structure and improving the weak link. The anti-slip decisions discussed in this article and the improved anti-slip equipment designed to guide vehicle anti-slip work have greatly increased efficiency.