水潤滑徑向滑動軸承試驗臺的研制.pdf

1、華中科技大學碩士學位論文水潤滑徑向滑動軸承試驗臺的研制姓名：劉麗萍申請學位級別：碩士專業(yè)：機械電子工程指導教師：唐群國20110118II華中科中科技大學碩士學位論大學碩士學位論文AbstractRadialjournalbearingsarekeycomponentsinthepurewaterlubricatedhydraulicpumpmot.Itsstructuresperfmanceparametershavesubstant

2、ialinfluenceonthecapabilityreliabilityservicelifeofthehydraulicpumpmot.Basedonthewkingenvironmentoperatingconditionsofthehydraulicpumpmotestablishingperfectingthedesigntheyofthewaterlubricatedjournalbearingisofgreatimpta

3、ncefthedevelopmentofwaterhydraulicpowertransmissiontechnology.Asaresulttheresearchonthewaterlubricatedradialjournalbearingtestbedisbecominganurgentproblemtobesolved.Awaterlubricatedradialjournalbearingtestbedisintroduced

4、inthispaper.Itiscomposedbyamechanicalsystemahydraulicsystemasignaltestingsystem.Themechanicalsystemconsistsofahousingblockashaftthejournalbearingtobetestedabearingbracketaloadingcylinderetc.Thehydraulicsystemcanbedivided

5、intoalubricationsystemaloadingsystembothofwhicharepoweredbythesamewaterhydraulicpump.Withcrespondingadjustmentofthehydraulicsystemitcanachieveeitherhydrodynamichydrostaticlubrication.Thesignaltestingsystemisadatacollecti

6、ngprocessingsystembasedonthesoftwareLabVIEW.Itcandynamicallystaticallyrealtimedisplaytheperfmanceparametersofthejournalbearing.Indertoprobeintotheflowfieldofthewaterlubricatedradialjournalbearingbasedonthefundamentalthei

7、esofthehydrostatichydrodynamiclubricationthispaperrespectivelyresearchesontheflowfieldsimulationofthehydrostatichydrodynamicjournalbearing.Thelawsthatloadcarryingcapacitychangeswitheccentricitysupplyinghydraulicpressureu

8、nderhydrostaticconditionhavebeenobtained.Therulesthatwaterfilmpressurewaterfilmrigidityloadcarryingcapacityangleofdisplacementchangeswitheccentricityunderhydrodynamicconditionhavealsobeenacquiredwhichcanprovidetheyreferr

9、encesupptfthejournalbearingtestresearch.Experimentsonthehydrostaticradialjournalbearingarecarriedoutonthetestbed.Therulesthatthefrictiontqueeccentricityangleofdisplacementwaterfilmchangewithtimehavebeenobtainedwhichcanpr