船舶推進(jìn)軸系十字軸萬(wàn)向節(jié)力學(xué)特性研究.pdf

1、江蘇科技大學(xué)碩士學(xué)位論文船舶推進(jìn)軸系十字軸萬(wàn)向節(jié)力學(xué)特性研究姓名：艾維申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：輪機(jī)工程指導(dǎo)教師：方開(kāi)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