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.Thisplatel

2、iesinaplaneplatethatcutsacrossthecenterlineofthedriveshaftandcylinderbarrelanddoesnotrotate.Inafixed-displacementpump,thecamplatewillberigidlymountedinapositionsothatitintersectsthecenterlineofthecylinderbarrelatanangleapproximately25degreesfromperpendicular.Variable

3、-deliveryaxialpistonpumpsaredesigned,sothattheanglethatthecamplatemakeswithaperpendiculartothecenterlineofthecylinderbarrelmaybevariedfromzeroto20or25degreestooneorbothsides.Oneendofeachpistonrodisheldincontactwiththecamplateasthecylinderblockandpistonassemblyrotates

4、withthedriveshaftThiscausesthepistonstoreciprocatewithinthecylinders.Thelengthofthepistonstrokeisproportionaltotheanglethatthecamplateissetfromperpendiculartothecenterlineofthecylinderbarrel.Avariationofaxialpistonpumpisthebent-axistypeshowninfigure4-14.Thistypedoesn

5、othaveatiltingcamplateasthein-linepumpdoes.Instead,thecylinderblockaxialisvariedfromthedriveshaftaxis.Theendsoftheconnectingrodsareretainedinsocketsonadiscthatturnswiththedriveshaft.Thecylinderblockisturnedwiththedriveshaftbyauniversaljointassemblyattheintersectionof

6、thedriveshaftandthecylinderblockshaft,Inordertovarythepumpdisplacement,thecylinderblockshaftandvalveplatearemountedinayokeandtheentireassemblyisswunginanarearoundapairofmountingpintlesattackedtothepumphousing.Figure4-14Bent–axisaxialpistonpumpThepumpingactionoftheaxi

7、alpistonpumpismadepossiblebyauniversaljointorlink.Figure4-15isaseriesofdrawingsthatillustrateshowtheuniversaljointisusedintheoperationofthispump.First,arockerarmisinstalledonahorizontalshaft.(Seefig4-15viewA)Thearmisjoinedtotheshaftbyapinsothatitcanbeswungbackandfort

8、h,asindicatedinviewB。Next,aringisplacedaroundtheshaftandsecuredtotherockerarmsotheringcanturnfromlefttorightasshowninviewC,Thisprov