电子水平仪英文文献

《电子水平仪英文文献》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、学士学位论文英文翻译部分题目：电子水平仪设计院（系）专业学生学号班号指导教师翻译提交日期哈尔滨工业大学教务处制StudyonaNewHighAccuracyDual-axisElectronicLevelAbstractThestudyandthedevelopmentofanewdual-axis,highaccuracyandlowcostelec-troniclevelhavebeenintroduced.Inthispaper,theideaoftheoveralldesignisdescribed,a

2、ndthede-terminationforthemainmechanicalandelectronicparameters,includingtheoveralltesting,hasbeendiscussedindetail.Baseduponthepracticalcharacteristicandthespecificationsoftheinstrument,itwillbewidelyusedinthefieldofmachinetool,automobile,airplaneandshipping

3、manufactures.KeyWords:Electroniclevel;Platespring;LVDT;Tiltmeasurement1IntroductionThenewdual-axiselectronicleveliscalledtiltsensortoo.Itisauniquetiltmeasuringsystemcapableofsimultaneouslyrecordingthedegreeanddirectionoftiltwithhighaccuracyupto1arc-sec.withi

4、narangeof400arc-sec.,upto3arc-sec.withinarangeof800arc-sec.Ithasareadingresolutionupto0.1arc-sec.TheworkingprincipleoftheinstrumentisshowninFig.1.Itiscomposedofthreeparts.Onepartisthecombinationofthesupportframeandthebase.Anotherpartisstationarywork-piece5fi

5、xedonthetopofsup-portframe.Thethirdpartistheswingwork-piece2.Thework-pieces5and2areconnectedbyapairofdoubleplatesprings3.Duringmeasurementifthesurfacewhichtheinstrumentissetonistilt,thewholestructureoftheinstrumentwilltilttoo.Buttheswingwork-piece2willmoveba

6、ckalongthereversedirectiontothetiltbythegravity.Therefore,thecoilandthecoreoftheLVDT(linearvariabledifferentialtransformer)willhaverelativedisplacement,andtherelativedisplacementwillbeconvertedtoanalogvoltageoutput.Thepairofplatespringsareguidewaytokeepthesw

7、ingwork-piece2moving.Fig.1Thestructureoftheelectroniclevel.Becauseofthesimplestructureoftheinstrument,itisworkingwithoutwearandtear,alsonocrossinfluenceuponthefunctionorprecision.Itissuitableforwidefieldofapplicationinqualityassuranceandengineering,twoexampl

8、esaregivenasfollows.compensatethetiltofameasuredequipmentcanbereached.Thepurposeofusinganotherheadoftheinstrumentisthesameasinaboveexample.1.1CheckingtheflatnessofmeasuringtablesTheapplicationpr