深海电机旋转轴密封性能研究

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1、西南交通大学硕士学位论文深海电机旋转轴密封性能研究姓名：邹波中请学位级别：硕士专业：驱动技术与智能系统指导教师：邓斌于兰英20080501西南交通大学硕士研究生学位论文第11页AbstractWiththeexploitationgoingoninsea,thedeep一seamotorwhichisthecoreofdeep一seamotoristhepartofunderwaterequipmentisusedwidely.Thesea1keyproblemwhenthecommonmotorworksi

2、ndeep一sea,especial1ytherotatingshaftseal,itsperformancewi11haveadirectimpactonthemotor^Sworking.Accordingt0thedifferentworkingdepthscopeofm0t0r,theshaftsealcanbedividedintotw0•1nthes•1s:pressurerotatingsealandpressuretypescompensationr0tatingsea1.Firstly,th

3、eperformance0fmechanica1sealswhichusedinpressurer0tatingsealwasana1yzed.Them0de10fsea1ringwasaccomplishedwithANSYSS0ftware.Withtheradialandaxialf0rce,there1ationbetweencontactpressureandparametersofsealringswasd■1scussed.Theanalysisresu1ts•1nd•1catedthat,th

4、econtactpressure•1ncreasedastheloadc0efficient,springpressureandmediumpressureincreasing,andtheroleofmed■1umpressureismostobvious.MediumPressureisenvironmentfactor,SOwhenthesea1ingperformancesatisfied,asma11er10adcoefficientandspringParseps0ssursiesb1he•ou1

5、dbechoosed.Thecontactpressuredecreasedastheendfacewidth■1ncreasing,>S0thebiggeronewasagoodch0■1ce•Thesealingpressureofpressurec0mpensationrotatingsealwasingsand1ipsealswereusedsma11,s00•rf0rthistypeseal.Andthekeyproblemc0ns■1sted■1nhowthetremendouspressure0

6、fwaterw0u1dimpactonseals.Throughthes•1mu1ationof0.ring,theresuIts■1nd■1catedthatseawaterpressurehada1•1tt1eeffectonthecontactpressureofsea1itSVa1ueanddistributionrelatedt0thesurP1usandmarginofmediumPressure•somesuggestionwasgavefordes•1gnanduseofO-ringworki

7、ngindeep—sea•Thestudyonthesimu1ati0ntest•1svejryimportant.HighpressureVesse1androtatingshaft1ipsealswerdes■1gned■1nthispaper^andprovidingthc0nd•1t•10n0fhigh-pressureSimulati

8、hroughfinitee1ementca1cu1at■10nandresultsoftrial.Somepreparat•10nwasdonetothenextfu「rtheana1ys■1s0flipsealusedindeep—sea•西南交通大学硕士研究生学位论文第1II页Thr0ughtheanalysisaboutcontactPressure0fthetwotypedeep一seam0