2023年第14期中国高新科技61ROADTRAFFICI道路交通降低两万吨重载列车纵向力精准操纵研究刘剑国能朔黄铁路发展有限责任公司机辆分公司,河北沧州062350摘要:文章阐述了朔黄铁路两万吨重载列车运行过程中,通过调整空气制动缓解地点位置、降低空气制动缓解机车再生力值、减少空气制动周期等措施,将两万吨重载列车在长大下坡道区段运行中存在的安全风险降至最低。结合朔黄铁路两万吨重载列车开行7年来的基础数据梳理分析,并参照朔黄铁路公司两万吨综合检测(试验)机车的运行数据进行研究,提出一套降低列车在长大下坡道区段的精准操纵办法,从而降低列车纵向受力,提升两万吨重载列车运行品质。关键词:两万吨;纵向力;精准;缓解文献标识码:A中图分类号:U268文章编号:2096-4137(2023)14-61-03D0l:10.13535/j.cnki.10-1507/n.2023.14.15Researchonreducingthelongitudinalforceprecisioncontrolof2ooo0tonsofheavy-haultrainsLIUJianMachineryBranch,GuonengShuohuangRailwayDevelopmentCo.,Ltd.,Cangzhou062350,ChinaAbstract:Thispapermainlyexpoundstheoperationprocessof200o0tonsofheavy-loadtrainofShuohuangRailway,bycleverlyadjustingthepositionoftheairbrakingreliefsite,reducingtheregenerativeforcevalueoftheairbrakingrelieflocomotive,reducingtheairbrakingcycleandothermeasures,minimizethesafetyrisksof20000-tonheavytrainsinlongdownhillsections.Combinedwiththeanalysis,comparisonandintegrationofthebasicdataofthe20000-tonheavy-haultrainsofShuohuangRailwayinthepastsevenyears,accordingtotheoperationdataof20000tonscomprehensivetesting(test)locomotiveofShuohuangRailwayCompany,determineasetofscientificandprecisecontrolmethodstoreducethetraininthelongdownhillsection,toreducethelongitudinalforceofthetrain,improvetheoperationqualityof2ooo0-tonheavy-haultrains,makecontributionstotheconstructionofworld-classleveltransportationenterprise.Keywords:20oootons;longitudinalforce;precision;relief朔黄铁路西起山西省神池县神池南站,东至河北省黄骅市黄骅港站,正线总长598km,自西向东海拔高度差达1527m,重车线最大上坡道为4%、最大下坡道为12%,最小曲线半径400m。其中,长大下坡道主要集中在神池南站到西柏坡站间区段,尤其是神池南站至原平南站间和南湾站至西柏坡站间,这两个...