轴向柱塞泵的外文资料参考模板

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1、外文翻译译文外文出处：http://www.tpub.com/content/engine/14105/css/14105_58.htmAxialPistonPumpsInaxialpistonpumpsofthein-linetype,wherethecylindersandthedriveshaftareparallel,thereciprocatingmotioniscreatedbyacamplate,alsoknownasawobbleplate,tiltingplate,orswashplate.Thisplateliesinap

2、laneplatethatcutsacrossthecenterlineofthedriveshaftandcylinderbarrelanddoesnotrotate.Inafixed-displacementpump,thecamplatewillberigidlymountedinapositionsothatitintersectsthecenterlineofthecylinderbarrelatanangleapproximately25degreesfromperpendicular.Variable-deliveryaxial

3、pistonpumpsaredesigned,sothattheanglethatthecamplatemakeswithaperpendiculartothecenterlineofthecylinderbarrelmaybevariedfromzeroto20or25degreestooneorbothsides.OneendofeachpistonrodisheldincontactwiththecamplateasthecylinderblockandpistonassemblyrotateswiththedriveshaftThis

4、causesthepistonstoreciprocatewithinthecylinders.Thelengthofthepistonstrokeisproportionaltotheanglethatthecamplateissetfromperpendiculartothecenterlineofthecylinderbarrel.Avariationofaxialpistonpumpisthebent-axistypeshowninfigure4-14.Thistypedoesnothaveatiltingcamplateasthei

5、n-linepumpdoes.Instead,thecylinderblockaxialisvariedfromthedriveshaftaxis.Theendsoftheconnectingrodsareretainedinsocketsonadiscthatturnswiththedriveshaft.Thecylinderblockisturnedwiththedriveshaftbyauniversaljointassemblyattheintersectionofthedriveshaftandthecylinderblocksha

6、ft,Inordertovarythepumpdisplacement,thecylinderblockshaftandvalveplatearemountedinayokeandtheentireassemblyisswunginanarearoundapairofmountingpintlesattackedtothepumphousing.Figure4-14Bent–axisaxialpistonpumpThepumpingactionoftheaxialpistonpumpismadepossiblebyauniversaljoin

7、torlink.Figure4-15isaseriesofdrawingsthatillustrateshowtheuniversaljointisusedintheoperationofthispump.First,arockerarmisinstalledonahorizontalshaft.(Seefig4-15viewA)Thearmisjoinedtotheshaftbyapinsothatitcanbeswungbackandforth,asindicatedinviewB。Next,aringisplacedaroundthes

8、haftandsecuredtotherockerarmsotheringcanturnfromlefttorightasshowninviewC,Thisprov