盾構掘進試驗系統(tǒng)的研制.pdf

1、北京交通大學碩士學位論文盾構掘進試驗系統(tǒng)的研制姓名：李賢妮申請學位級別：碩士專業(yè)：機械電子工程指導教師：周明連20071201JE京交通人避之碩七學能論文ABSTRACTABSTRA(XABSTRACT：Shieldmethodisawayoftunnellinginsoftsoilorrock，acuttingheadcutstherockorsoilcontinuouslyandvarioussupportmaterialsarei

2、nstalledinthetunnelafterCUtShieldmethodhasmanyadvantages，suchashighspeed，highprecision，smallvibration，lownoise，haslittleimpactonthesurroundingbuildings，etcItisimportanttesearchanddevelophigh—efficiencyeconomicalshieldtec

3、hnologywhichisusefulforthedevelopmentofurbanundergroundengineering，ThisthesisintroducedanewdevelopedshieldtunnellingtestsystemThistestsystemincludedtestrigsoilbox，cuttingheadconveyersystem，hydraulicsystem，andmeasurements

4、ystemThetestsystemwasusedforexcavatingexperimentsindifferentsoilandrock，andtheresultsoftheexperimentwillbeusedtosupportforbettertunnellingorganizationForcesonknifewhencuttingsoilorrockwereanalysedandcalculatedbasedonsoil

5、androckmechanicsFurthermore，theforceandtorqueofeachknifewascalculatedbythreetheoreticalmethodsTheparametersofthecuttingwereobtainedbythetheoreticalcalculation，andthemethodalsofoundedtheoptimizationofthearrangementandshap

6、eofthecuttingtoolsBasedOnparametersobtainedbytheoreticalstudytheoverallmechanicalsystemwasdesigned。Partssuchascutterhead，drivensystem，thrustsystem，conveyersystemandsoilboxalldesignedthroughcalculationThehydraulicsystemwa

7、salsodesignedthroughdetailedcalculation。Allstandardpartsinvolvedinthetestsystemincludedhydrauliccomponent，gearboxandsensorswereselectedbycalculation。AfterthemechanicalsystemweremanufacturedandinstalledaPCbasedatacollecti

8、ngsystemwasdevelopedThedatacollectingandprocessingsystemwasdevelopedbyLabVIEWsoftware，whichhasfunctionsofcalibrationofthesystem，selftestsystem，dataacquisitionandprocessingandSOon，Thissystemsignificantlysimplifiedtheexper

9、imentalprocess，avoidingthetroubleandelTOISofmanualacquisitionoflargeamountsofdataThereal—timeacquisitionandprocessingofdataismoleperfecttothemodelsystem。AllsystemwasdebuggedafterdevelopedandputintouseintheexperimentsAman