高压注射泥浆泵可靠性-分析与参数优化

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1、performancegearlessmudpump．Atpresentthesinglefunctiontriplemudpump(referredto嬲triplePump)iswidespreadusedontheoildrillingindomestic，whichhasmanyshortcomings，such嬲largevolume，lowreliability,lowefficiency,shortlifeofthefunctionalunitandSOon．Mostmudpumpparametersareu

2、sedformanyyearsfromtheforeignmudpumpparameters，whichjustonlycouldmeetthebasicrequirementsofdrilling．Thispaperfocusesreliabilityanalysisunderfailurerelmedofthehigh—pressureinjectionmudpumpsystem．嬲wellasthemaincomponentsofpower’Smechanicsandfatigueanalysis，finallypa

3、rametersoptimizationandthetopologicaloptimization,obtainedsomeresultsofengineeringapplicationvalue．Thisthesisincludesthefollowingseveralparts：Firstly,throughtheresearchandanalysisoftheexistinghigh—pressureinjectionmudpump’Smechanism，thefaulttreeanalysisusesthemudp

4、umpsystemforfailureanalysis．Consideringthecorrelationfailurebetweenparts，combinedwiththeunionandintersectionoperationofstochasticevent，calculatedthefailurerelatedreliabilityofmudpump、jl，itllthereliabilitymethod，andproposedmethodofcalculationofitsreliability,andatt

5、hesametimeproposedthemethodofimprovingthereliabilityofmudpump．Secondly'bysimplifyingthemudpumpstructure，establishedtheequationofmotionandtheanalyticcalculationmodel，tofindoutmovementrulesandstressofmudpump．Establishthree-dimensionalsolidmodelofmudpump、析th3Dmechani

6、calsoftwarePRO／E，toachievethedynamicssimulationofthemudpump．IntheWorkbenchfiniteelementsoftware，theimportantcomponents(crank,theringge码ete)ofthepowerofmudpumpwereanalyzed诵mmechanicssimulationandfatigue，togainthereasonsforfailureofthevariouscomponentsandtheneedfori

7、mprovement．Thirdly,optimizingthesmallgearaxleparameterofthemudpumppowerwitIltheoptimizedsoftwareMATLAB，andwiⅡlthefiniteelementanalysissoftwareWorkbenchforconnectingrodontopologicaloptimization,thentheoptimizationresultswaschecked，SO嬲toimprovetheoverallfunctionofth

8、emudpump，andthefurtherproofthattheoptimizationdesignmethodisfeasibleandeffective．KEYWORDS：themudpump，reliability,thefiniteelementsimulation,optimization