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.Thisplateliesinaplaneplatethatcutsacros

2、sthecenterlineofthedriveshaftandcylinderbarrelanddoesnotrotate.Inafixed-displacementpump,thecamplatewillberigidlymountedinapositionsothatitintersectsthecenterlineofthecylinderbarrelatanangleapproximately25degreesfromperpendicular.Variable-deliveryaxialpistonpumpsaredesigned,sothattheanglethatthe

3、camplatemakeswithaperpendiculartothecenterlineofthecylinderbarrelmaybevariedfromzeroto20or25degreestooneorbothsides.OneendofeachpistonrodisheldincontactwiththecamplateasthecylinderblockandpistonassemblyrotateswiththedriveshaftThiscausesthepistonstoreciprocatewithinthecylinders.Thelengthofthepist

4、onstrokeisproportionaltotheanglethatthecamplateissetfromperpendiculartothecenterlineofthecylinderbarrel.Avariationofaxialpistonpumpisthebent-axistypeshowninfigure4-14.Thistypedoesnothaveatiltingcamplateasthein-linepumpdoes.Instead,thecylinderblockaxialisvariedfromthedriveshaftaxis.Theendsoftheco

5、nnectingrodsareretainedinsocketsonadiscthatturnswiththedriveshaft.Thecylinderblockisturnedwiththedriveshaftbyauniversaljointassemblyattheintersectionofthedriveshaftandthecylinderblockshaft,Inordertovarythepumpdisplacement,thecylinderblockshaftandvalveplatearemountedinayokeandtheentireassemblyiss

6、wunginanarearoundapairofmountingpintlesattackedtothepumphousing.Figure4-14Bent–axisaxialpistonpumpThepumpingactionoftheaxialpistonpumpismadepossiblebyauniversaljointorlink.Figure4-15isaseriesofdrawingsthatillustrateshowtheuniversaljointisusedintheoperationofthispump.First,arockerarmisinstalledon

7、ahorizontalshaft.(Seefig4-15viewA)Thearmisjoinedtotheshaftbyapinsothatitcanbeswungbackandforth,asindicatedinviewB。Next,aringisplacedaroundtheshaftandsecuredtotherockerarmsotheringcanturnfromlefttorightasshowninviewC,Thisprov