架空輸電線防振器的力學(xué)性能分析及安裝設(shè)計(jì).pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文架空輸電線防振器的力學(xué)性能分析及安裝設(shè)計(jì)姓名：徐宏波申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：固體力學(xué)指導(dǎo)教師：牛忠榮張長會(huì)20090301TheanalysisofmechanicalpropertiesandinstallationdesignofantivibrationdevicesontransmissionlineAbstractWiththeapplicationacrossawiderangeofthewide—s

2、pantransmissionline，aeolianvibrationleadstransmissionlinetoshockinworkItdamagesthedevicesofthetransmissionlineandyieldsshortcircuiton—lineThisproblemhasbeenattendedbymanyscientistsandengineersAfteraseriesoftheinvestigati

3、onandanalysisforrelevantinformation，theantivibrationofthetransmissionconductorlineandthemechanicalperformanceoftheanti—vibrationdevicesarestudiedinthisthesisStartingthebasictheoryofaeolianvibration，mechanicalmodeloftheda

4、mpercalledFR3areestablishedThenaturalfrequencyofFR一3isobtainedbytheanalyticalwaySimultaneouslythefiniteelementmethodisusedtosimulatethenaturalfrequencyAnotherimportantpropertyofthedamperisenergypowerThepresentthesisinves

5、tigatestheinfluenceofenergy—consumingpowercausedbysomestructuralparametersofthedamperAsaresult，someconstructivesuggestionsfordesignofthedamperaregivenMoreover，anexperimentalmethodcalledvibrationhammertestisusedtofindthen

6、aturalfrequencyofthedamperFR3Inthetests，boththepercussionmethodandresonancemethodarerespectivelyadoptedtocollecttheinformationofthevibrationmodesComparativelytheresonancemethodisbeuerthanthepercussionmethodtogaintheaccur

7、atenaturalfrequencyFurthermore，inthemeasurementofresonancemethodtherehavetwomethodsconstantdisplacementmethodandconstantvelocitymethod，andthelateriSbetterthantheformerFinallythetypeselection，numberandinstalledlocationoft