武汉理工大学物流工程学院秦皇岛港务集团有限公司:,,LabView,,:;;RealTimeMonitoring&DiagnosisSystemforBearingFaultsinSlewingGearofPortalCraneSchoolofLogisticsEngineeringofWuhanUniversityofTechnologyXiaoHanbinYeYixiChenGuanQinhuangdaoPortGroupCoLtdHuLijieAbstract:Tothefaultdiagnosisforthebearingofslewinggearofportportalcranes,thispaperdesignsasetoffaultrealtimemonitoring&diagnosissystemwhichusesthevibratedanalysisasthediagnosismethod,takestheLabViewasasoftwareplatform,andcomposesofthetimefieldanalysis,frequencyfieldanalysis,correlationanalysisandwaveletanalysistoestimatethefaultscausesinthebearingsIthasawell-doneapplicationKeywords:crane;slewingbearing;faultdiagnosissystem,,,,Fourier[1],,,,,,1回转支承的结构及常见故障类型3,1,,22,3,,,,[2]2:;12231413,,,,,,,2检测系统的设计,,,,[3]2120071(171)221,,:(1),,,,,,(2),,,,(3),,21,AB,CD,,,,100Hz22[4],NILabView6i,33:,,,,,,;,;3,,,,,FFT,,,,,FFT,,,,,,,,,,221时域分析,,,,,2PortOperation2007No1(SerialNo171),,,,05g(g=9.81m/s2),005g,002g,,,,,,222频域分析,,,,223相关分析2,,,,,,,,,,5000m/s,,,,,,224小波分析,,,,,,,,,,,3实际应用,,44LabView[5],,,100Hz20036,,,2,3,3,31,()(1)1/g2003-062003-092004-020090009602200033005600730017002900361,23()1,311,20039320071(171),,,32,,,,,,,,,,,22,322,2/g2003-060100562003-09000582004-020009933,,FFT,(5),,FFT,,,55,20036,32,,,,,34,,db10,7,d1~d77,5,7,,(3),d53,20042200391,d733d5d7/g2003-062003-092004-02d5000493100052310011400d7000401700039190004967635(d5)7(d7)FFTd5,,7,(d1d2d3),d5d7d5d7FFT,3d5FFT,d7FFTEFT,4PortOperation2007No1(SerialNo171)63d5d7FFT,,,,4结语,,,520071(171)[1],[J]:,2004(6):840-843[2][D]:,2004[3][D]:,2005[4],!![M]:,1999[5],[M]:,1988:430063,1040:2006-07-24∀∀∀常开电气有限公司常州基腾电气有限公司:,,,,:;;;PLCIntelligentCableDrumEquipment-FrequencyConversionPowerCableDrumChangzhouElectricSwitchLtdGuWenyiYanJunchaoChangzhouJITENGElectricityLtdLiJinlinYaoMaopinAbstract:Thispapermainlyintroducestheprincipleandcontrollingmethodforthefrequencyconversioncabledruminconsiderationoftherequirementofcranetothecabledrums'performanceAccordingtothedrumscontrolledbyfrequencyconversionmethodintheworld,akindofnewandintegratedcontrollingcabledrumwithhighqualityoffrequencyconversiontechnologyisdevelopedandithasusedinpracticeKeywords:intelligence;frequencyconversion;powercabledrum;insidePLC1电缆卷筒的发展3:;;,,,,4:,,,,,2,,,,,,3,,,;,,,,,36PortOperation2007No1(SerialNo171)