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.

2、Thisplateliesinaplaneplatethatcutsacrossthecenterlineofthedriveshaftandcylinderbarrelanddoesnotrotate.Inafixed-displacementpump,thecamplatewillberigidlymountedinapositionsothatitintersectsthecenterlineofthecylinderbarrelatanangleapproximately25degreesfrompe

3、rpendicular.Variable-deliveryaxialpistonpumpsaredesigned,sothattheanglethatthecamplatemakeswithaperpendiculartothecenterlineofthecylinderbarrelmaybevariedfromzeroto20or25degreestooneorbothsides.Oneendofeachpistonrodisheldincontactwiththecamplateasthecylinde

4、rblockandpistonassemblyrotateswiththedriveshaftThiscausesthepistonstoreciprocatewithinthecylinders.Thelengthofthepistonstrokeisproportionaltotheanglethatthecamplateissetfromperpendiculartothecenterlineofthecylinderbarrel.Avariationofaxialpistonpumpisthebent

5、-axistypeshowninfigure4-14.Thistypedoesnothaveatiltingcamplateasthein-linepumpdoes.Instead,thecylinderblockaxialisvariedfromthedriveshaftaxis.Theendsoftheconnectingrodsareretainedinsocketsonadiscthatturnswiththedriveshaft.Thecylinderblockisturnedwiththedriv

6、eshaftbyauniversaljointassemblyattheintersectionofthedriveshaftandthecylinderblockshaft,Inordertovarythepumpdisplacement,thecylinderblockshaftandvalveplatearemountedinayokeandtheentireassemblyisswunginanarearoundapairofmountingpintlesattackedtothepumphousin

7、g.Figure4-14Bent–axisaxialpistonpumpThepumpingactionoftheaxialpistonpumpismadepossiblebyauniversaljointorlink.Figure4-15isaseriesofdrawingsthatillustrateshowtheuniversaljointisusedintheoperationofthispump.First,arockerarmisinstalledonahorizontalshaft.(Seefi

8、g4-15viewA)Thearmisjoinedtotheshaftbyapinsothatitcanbeswungbackandforth,asindicatedinviewB。Next,aringisplacedaroundtheshaftandsecuredtotherockerarmsotheringcanturnfromlefttorightasshowninviewC,Thisprov