机车调簧研究与车体调簧试验台设计

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1、中南大学硕士学位论文机车调簧研究与车体调簧试验台设计姓名：杨振祥申请学位级别：硕士专业：交通运输工程指导教师：潘迪夫;付俊英20061101确性。通过对实际各型机车车体的检测与调簧试验，还发现机车车体设计制造过程中存在的问题，并提出了相应的改进性建议。同时，论文对后续研究工作提出了进一步的设想和打算。关键词机车：轴重分配；二系载荷；调簧；试验台lIABSTRACTTheuniformityofloaddistributionoflocomotivewheels(axles)playsallessentia

2、lroleintheadherenceofhaulingcapabilityanddynamicandbrakeperformanceforhigh-speedandheavy—loadlocomotives．Forthelocomotivewithsecondaryhangingstructure，itssupportingspringloaddistributionisthemainfactortoinfluenceweightdistributionoflocomotivewheels(axles)

3、．Thestaticallyindeterminatesupportingstructure,timdeviationofsyntheticalrigidityanddeformationintheelasticconnectionbetweeneachwheelsetandlocomotiveandthedeviationofthegravitycenteroflocomotiveshallconsequentionallycauseloadoneachwhcelsetnotuniform．Theemp

4、hasisofthispaperistominimizetheultimatedeviationofeachwheelloadfrommeanloadbyadjustingactualdeformation(addwasher，“springadjustmem’1forshort)associatingwithactualsyntheticalrigidityofeachspringsupportingonthebasisofmeasuringthevalueofgravitycenterdeviatio

5、n．Contentsasfollowing：1．EducetheminimumvalueofthemaximaldeviationsofeachwhcelsetloadfrommeaIlloadwhenlocomotivegravitycenterdeviationisknown，2．Givetheschemetodistilbutethewhcelsetloadundertheminimumstatus．3．GivethewaytOreachthestatusbyadjustingthethicknes

6、sofprimaryandsecondaryspring4．Givethemaximumaccepteddeviationvalueofgravitycenterofeachtypelocomotiveifme吼aboveperfectstatusby删ustingspringunderexistingmanufacturestandardoflocomotiveAccordingtotheconclusionresultingfromabovestudy,twoprojectstosolvethespr

7、ingadjustmentproblemarebroughtforward．Theyarcdesignrespectivelyforbogieloadtestingspringtest-rigandlocomotivebodyloadtestingspringtest-fig·ThefirstspringandthesecondaryspringarcadjusteAintheirowntest-rig·Bythereseagfch,thispa：perputsforwarddesignrequireme

8、ntsforthetwotest-rigs’manufacture．Italsogivesthemainintroductionofspecificdevelopmentanddesignrelatingtothelocomotivebodyloadtestingspringtest-rig．TheaxleloaddistributionisnotIlluniform，thisismainlyduetoimperfectdis