船舶推進軸系十字軸萬向節(jié)力學特性研究.pdf

1、江蘇科技大學碩士學位論文船舶推進軸系十字軸萬向節(jié)力學特性研究姓名：艾維申請學位級別：碩士專業(yè)：輪機工程指導教師：方開翔20070322AbstractIIAbstractCrossuniversaljointsareusuallyusedbetweenserieswoundshaftinginshippropulsionsystem.Theeffectofcrossuniversaljointscouldtransferpowertsi

2、oncounteractradialerraxialerrangleerrwhiletheyalsobringadditionalloadvibrationnoisetotheshafting.Theuniversalcrossjointsarepronetotransfigurationflawdamagebecauseofthecomplicacyoffcesonthem.Sotheirservicelivesarelimitedt

3、heseaffecttheshaftingsecurity.Thisthesisuses3Dsoftwaretoestablishtheshipshaftingaccdingtoaship’spropulsionshaftingdesigndrawing.Themaincontentsofthisthesisaregivenasfollows:FirstlydeducedthemotionlawofNcrossuniversaljoin

4、tsinseriesbasedonkinematicsanalysisofsinglecrossuniversaljoint.ProgrammedthemodelwithMATLABsoftwaregotthekinematicsacteristicofshaftingwithmultiplecrossuniversaljoints.Presentedtheprincipleoftherotatespeedthetquetheangul

5、araccelerationofeachshaftconnectbydifferentcrossjointsangle.Theconclusioncanbeusedfshaftingassemblymanualsupplyreferencestovibrationnoisecontrol.SecondlyusedPROEtoestablishadynamicmodelofshipshaftingaccdingtooneshipdesig

6、ndrawingsimulatedthedynamicbehavisofthecrossheadsinputoutputshaft’sbearings.Thisthesisanalyzedthefceofcrossheadswhentheshaftingwasrotatingunderthestartuppowerratingtheoutcomecouldbeusedfcrossjointsstressdistributionstudy

7、crossjointshapedesignthatcouldprolongitsservicetime.Therelationofcrossjoint’sfixangletobearing’sfcealsowasdiscussedinthisthesistheprinciplesuppliedreferencestocontroltheshipexcitingfrombearing.Thirdlyadjustedthemodelthat

8、imptedfromPROEthenusedANSYSoperationtoperfmasurfacetosurfacecontactanalysis.Giventhewaytodefinesimplifiedconstraintcontactpairswhenthecrossjointfcedindangerousstatethensolvedthecontactproblemreviewtheresultanalyzedthestr

9、essdistribution.Givensomeadvicetodesignsuitablecrossjointshapethatcouldweakenstressinhomogeneitycoulddecreesitsmaximumfcethiswasdoneftheoptimizeddesignofcrossuniversaljoint.Keywd:propulsionshaftinguniversalcrossjointvibr