75m长钢轨采用普通平车运输方案研究.pdfVIP

文章编号: 1003-1421(2016)05-0084-07 中国分类号: U294.6 文献标识码:B DOI: 10. 16668/j.cnki.issn. 1003-1421.2016.05. 18 75 m t是钢轨采用普通平草 运输方案研究 Study on Transport Program of 75 m Long Rails by Ordinary Flat Car 马王坤 MA Yu-k.un (中国铁道科学研究院运输及经济研究所，北京 100081) (Transportation and Economics Research Institute , China Academy of Railway Scienc白， Beijing 100081 , China) 摘 要z 依据《铁路货物装载加固规则)) ，针对75 m 长钢轨的截面特性和长度规 格，结合车辆选择和装载加固装置设计，通过基本力学计算、座架有限元强度计 算、装载加固强度计算和车辆动力学计算，研究制定75 m 长钢轨普通平车运输装 载加固方案。试验结果表明，方案满足实际运输要求。 关键词=长钢轨运输:装载加固g 普通平车g 铁路 Abstract: According to Rules of Railway Freights Loading and Reinforcement, targeting with the cross section characteristics and length specification of 75m long rails , combining with vehicle selection and design of loading reinforcement equipment , through calculation of basic mechanics, pedestal strength by finite element method (FEM), loading and reinforcement strength and vehicle dynamics , the transport loading reinforcement program of 75m long rails by 。rdinary flat car was studied and established. The test result shows the program could satisfy the requirements of actual transportation. Key Words: Long Rails Transportation; Loading and Reinforcement; Ordinary Flat Car; Railway EMG 第38卷第5期 75 m 长铜轨采用普通平车运输方案研究马王坤 离过大时，钢轨会产生较大挠度，引起振动问题。 针对川长钢轨的截面特性和长度规格，依据 I ((铁路货物装载加固规则)) (以下简称《加规)) ) 依据不超载、不偏重、不集重的技术要求，当采 的技术要求[l] ，通过基本力学计算、钢轨加固强度 用 5辆换长1.5 平车连挂时，运输车组的中部车辆沿 计算、加固装置有限元计算及车辆动力学计算，研 车辆横中心线对称布置