轴向柱塞泵-外文资料翻译中英对照

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1、广东技术师范学院天河学院本科毕业设计外文翻译译文学生姓名院(系)广东技术师范学院天河学院专业班级机械设计制造及其自动化指导教师完成日期外文出处:////0>.AxialPistonPumpsInaxialpistonpumpsofthein-linetype,wherethecylindersandthedriveshaftareparallel,thereciprocatingmotioniscreatedbyacamplate,alsoknownasawobbleplate,tiltingplate,orswashplate.T

2、hisplateliesinaplaneplatethatcutsacrossthecenterlineofthedriveshaftandcylinderbarrelanddoesnotrotate.Inafixed-displacementpump,thecamplatewillberigidlymountedinapositionsothatitintersectsthecenterlineofthecylinderbarrelatanangleapproximately25degreesfromperpendicular.V

3、ariable-deliveryaxialpistonpumpsaredesigned,sothattheanglethatthecamplatemakeswithaperpendiculartothecenterlineofthecylinderbarrelmaybevariedfromzeroto20or25degreestooneorbothsides.Oneendofeachpistonrodisheldincontactwiththecamplateasthecylinderblockandpistonassemblyro

4、tateswiththedriveshaftThiscausesthepistonstoreciprocatewithinthecylinders.ThelengthofthepistonstrokeisproportionaltotheanglethatthecamplateissetfromperpendiculartothecenterlineofthecylinderbarrelAvariationofaxialpistonpumpisthebent-axistypeshowninfigure4-14.Thistypedoe

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

6、thedriveshaftandthecylinderblockshaft,Inordertovarythepumpdisplacement,thecylinderblockshaftandvalveplatearemountedinayokeandtheentireassemblyisswunginanarearoundapairofmountingpintlesattackedtothepumphousingFigure4-14Bent?axisaxialpistonpumpThepumpingactionoftheaxialp

7、istonpumpismadepossiblebyauniversaljointorlink.Figure4-15isaseriesofdrawingsthatillustrateshowtheuniversaljointisusedintheoperationofthispumpFirst,arockerarmisinstalledonahorizontalshaft.Seefig4-15viewAThearmisjoinedtotheshaftbyapinsothatitcanbeswungbackandforth,asindi

8、catedinviewB。Next,aringisplacedaroundtheshaftandsecuredtotherockerarmsotheringcanturnfromlefttorightasshowninviewC,Th