低速重载齿轮箱箱体性能评价的新方法.pdf

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1、机床与液压Jun．2013HydromechatronicsEngineeringVo1．41No．12DOI：10．3969／j．issn．1001-3881．2013．12．006ANewMethodinPerformanceEvaluationofLargeandHeavy—loadGearboxCasingWANGHaixiaLuoyangInstituteofScienceandTechnology，Luoyang471023，ChinaAbstract：Basedoftheelasticdeformationtheo

2、~。considedngtheinfluenceoftheelasticde．formationofgearcaseonthetransmissionsysteminlowspeedandheavygearbox，thepaperproposedaconceptofcoaxialofsetdegreeanditscalculationformula．Thenanewmethodwasadoptedtoevaluatetheperformanceofgearcaseconsideringthecoaxialofsetdegree．

3、Takingaparticularcenterdrivereducerforexample．thefiniteelementmethodwasutilizedtoanalyzetheperformanceofgearcase．Finally，thefeasibilityofthenewevaluationmethodwasverifiedinpracticeworking，whichlaidfoundationfortheperformanceevaluationstandardsestablishmentofthegea~ox

4、casing．Keywords：largeandheavy-loadgearbox，gearboxcasingevaluationmethod，coaxialofsetde—gree，elasticdeformationtheorycasing．Theperformanceof1．Introductionvaluatedbythecalculationofdstrainvalue[2—4]．DuetoWiththelarge—scaledevelopmentofengineeringcontinuousincreasi“goft

5、ransmissionloading，themachinery，miningmachinery，largeagriculturalandgearboxcasingcannotbedesignedsimplifiedasrigidindustrialequipment，geartransmissiondevicee—bodyanymore『5—6]．Thusthestudyofaneweva1．volvesintohighpower，heavy—loadandeficientuationmethodhasanimportantsi

6、gnificancetoopti—ones．Themajorworkingloadheavy-loadgearboxmizethecasingstructureandtoimprovethestabilitysufferedcanproducelargerelasticdeformationsothatandreliabilityofgearbox．thegearboxcasingwillbecomeinstabilityandfail-Basedonelasticdeformationtheory，thispaperure．M

7、eanwhile，thespacepositionofgeartransmis-proposedanewmethodthatcoaxialoffsetdegreeisa—sionpartscanbeeasilychangedthatwillreducethedoptedtoevaluatetheperformanceofgearboxcasing．bearingcapacityofthegear．Therefore，reasonableOnegearboxcasingofcenterdrivereducerwasana—desi

8、gnofcasingisgreatimportanttotheresearchandlyzedbyemployingtheFEM，andthecoaxialoffsetdevelopmentoflowspeedandheavygeartransmis—degre