文章编号:1002-7602(2023)05-0162-05关于货运机车与货运车辆连挂互钩差超限的原因分析与建议郑和平,刘海东(中车齐齐哈尔车辆有限公司大连研发中心,辽宁大连116052)摘要:介绍了货运机车与货运车辆在运用过程中出现的互钩差超限故障,通过故障现场调研,确定故障的表现形式主要为车钩支撑座与冲击座卡滞、钩尾销挡板变形脱落。对故障进行了理论分析研究,得出故障的主要原因为:个别70t级货车钩尾销挡板变形丢失;冲击座与车钩支撑座卡滞造成货车车钩钩高偏低;个别机车车钩的钩高偏高,超出标准规定的最高限值;测量线路不平及测量误差。结合现场调研和理论研究分析情况,从货运机车、货运车辆运用管理方面提出了解决互钩差超限的措施。关键词:机车;货车;连挂;互钩差;超限中图分类号:U270.34文献标志码:Bdoi:10.3969/j.issn.1002-7602.2023.05.031收稿日期:2021-09-15;修回日期:2023-05-29第一作者:郑和平(1982—),男,正高级工程师。AnalysisandSuggestionsontheCauseofExcessiveHeightDifferenceofCentralHorizontalLinesBetweenFreightLocomotiveCouplerandFreightCarCouplerZHENGHeping,LIUHaidong(DalianR&DCenter,CRRCQiqiharRollingStockCo.,Ltd.,Dalian116052,China)Abstract:Thispaperintroducesthefaultofexcessiveheightdifferenceofcentralhorizontallinesbetweenfreightlocomotivecouplerandfreightcarcouplerinoperation.Afteron-siteinvestigation,itisdeterminedthatthefaultmainlyembodiesintheclampingstagnationbetweencouplersupportseatandimpactseat,andthedeformationanddetachmentofthecoupleryokekeybaffle.Theoreticalanalysisandresearchhavebeencarriedoutonfaults,concludingthemaincausesasfollows:deformationandlossofthecoupleryokekeybaffleofindividual70tfreightcars;thestagnationbetweencouplersupportseatandimpactseatleadstolowercouplerheightoffreightcars;thecouplerheightofindividuallocomotivecouplersishigher,exceedingthemaximumlimitspecifiedinthestandard;measuringlineunevennessandmeasurementerror.Combinedwithfieldinvestigationandtheoreticalanalysis,thispaperputsforwardsomemeasurestosolvethefaultintermsofoperationandmanagementoffreightlocomotivesandfreightcars.Keywords:locomotive;freightcar;coupling;heightdifferenceofcentralhorizontallinesbetweencouplers;excessive2018年以...
