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通过对历次货车动力学试验结果和沈大线转8A转向架货车提速试验结果归纳整理,运用数理统计的方法从安全限度和不利速度区两个方面对装用转8A型转向架的货车提速的运行安全性进行了分析和评估。提出了装用转8A型转向架的货车可以满足80km/h速度级(80±5km/h)安全运行的要求,当需超过80km/h速度级时应对其作改进研究。
Through the test results of the previous truck dynamics and the speed-raising test results of the freight car with 8A turning bogie on Shen-Da line, the statistic method is used to speed up the running of the truck equipped with Zhuan 8A bogie from the safety limits and unfavorable speed zones Security was analyzed and evaluated. It is proposed that a truck equipped with Zhuan 8A bogie can meet the requirements of safe operation at a speed of 80km / h (80 ± 5km / h) and should be improved when it exceeds 80km / h.