風(fēng)電制動(dòng)器鉗體振動(dòng)穩(wěn)定性分析與設(shè)計(jì).pdf

1、大連理工大學(xué)碩士學(xué)位論文風(fēng)電制動(dòng)器鉗體振動(dòng)穩(wěn)定性分析與設(shè)計(jì)姓名：趙興華申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：機(jī)械設(shè)計(jì)及理論指導(dǎo)教師：董惠敏20091201風(fēng)電制動(dòng)器鉗體結(jié)構(gòu)穩(wěn)定性分析與設(shè)計(jì)DesignandStabilizationAnalysisoftheCaliperConstructioninWind—drivenGeneratorAbstractTheconstructionstabilizationofcaliperhasdirectlyi

2、mpactonthesafetyofGeneratorastheimportantpartofWind—DrivenGeneratorbrakesystemLowervibrationhasalotofinfluenceonthelifeandstabilizationofcaliperBringdownthefatiguedamageofthecaliperbyreducinglowervibrationdisplacementofc

3、aliperwillbesignificantforimprovingthebrakingefficiencyThispaperstudiedtheconstructionstabilizationofSVENDBORGBrakeofDHIDCWGroupCompany，avoidsquealfrequencyandreducethedisplacementoflowervibrationbymodifyingthecaliper’Sc

4、onstructionparameterstoenhancethestabilizationofcaliperOnthisfoundation，anddesignanewcaliperwithoptimalstructureFirstly，theworkingprincipleandstructureofbrakeisdiscussedThefiniteelementmodelwhichisestablishedbasedontheca

5、liperstructureThebrake’Seighthnaturalfrequencyneartosquealfrequencywhichisthemostimportantcauseforsquealbymodelanalysis，theresultprovidesthetheorybasisforanalyzingtheconstructionstabilizationofbrakeSecondly，thepaperintro

6、ducedthetheoryofHarmonicResponseAnalysisandgettheconclusionthatchangingtheconstructionparametersCanimprovethestabilizationofbrakebasedonHarmonicResponseAnalysisofcaliperStructuralimprovementisdoneaccordingtothestructureo

7、fthecaliperThecaliper’STopologyOptimizationshouldmakethechangeofitsstructurestiffnessandnaturefrequencyaslittleaspossibleonthebasisofsatisfyingtheintensityTherefore，todotheStaticAnalysisandModalAnalysisoncaliperbecomesne

8、cessaryThestressanddisplacementdistributionofthecaliperaregotbythestaticanalysisThroughModalAnalysis，thispapergainNatureFrequencyandModeShapeAftertheTopologyOptimalAnalysisthispaperfigureouttheoptimalmaterialdistribution

9、structureanddesignanidealmodelofbrakeAtlast，designtheoptimalstructureofcaliperisobtainedbasedontheidealmodelandstructuredimensionthroughHarmonicResponseAnalysisofcaliperKeyWords：Brake；HarmonicResponseAnalysis；Caliper；Top