風電制動器鉗體振動穩(wěn)定性分析與設計.pdf

1、大連理工大學碩士學位論文風電制動器鉗體振動穩(wěn)定性分析與設計姓名：趙興華申請學位級別：碩士專業(yè)：機械設計及理論指導教師：董惠敏20091201風電制動器鉗體結構穩(wěn)定性分析與設計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