资源描述：
《液压支架相关英文资料和翻译.doc》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、附录ComplianceofhydraulicsystemanditsapplicationsinthrustsystemdesignofshieldtunnelingmachineAsthemostsignificantperformance,complianceofhydraulicsystemisdefinedasthecapacitytoaccommodatethesuddenchangeoftheexternalload.Duetothedifferentrequirementsofthecomplianttasks,theexistingmethodformechanicalsys
2、temscannotbeusedintheanalysisanddesignofthehydraulicsystem.Inthispaper,thedefinitionandexpressionofcomplianceofhydraulicsystemareproposedtoevaluatethecomplianceofthehydraulicsystemoperatingundersuddenchangeload.Becausetheunexpectedgeologicalconditionsduringexcavationmayexertsuddenchangeloadtotheshie
3、ldtunnelingmachine,thecompliancetheoryhasfoundarightapplicationinthethrusthydraulicsystem.Byanalyzingthebasicoperatingprincipleandthecommonlyusedarchitecturesofthethrusthydraulicsystem,acompliancebasedthrusthydraulicsystemdesignmethodispresented.Moreover,atunnelingcaseisinvestigatedinthepaperasanexa
4、mpletoexpoundthevalidationofdesignprocedure.Inconclusion,thecomplianceofthehydraulicsystemcanbeservedasanevaluationofthecapabilityinconformingtotheloadimpact,givingsupportsforthedesignofthethrusthydraulicsystemofshieldtunnelingmachines.compliance,hydraulicsystem,loadimpact,thrustsystemdesign,shieldt
5、unnelingmachine1、IntroductionDuetotheirhighdurability,highpower-to-weightratiosandrapidresponses,hydraulicdrivesystemshavebeenplayingaveryimportantroleinadiverserangeofapplicationsandindustries.Especiallyfortheheavy-dutymachinesandthoseoperatingundertheworstorextremeconditions,suchasconstructionmach
6、inery,hydraulicpowertransmissionisthebestandmostlyexclusivesolution.Anessentialissueinsuchapplicationsistheproperinteractionbetweentheactuatorandtheenvironment,becauseitisinevitableforhydraulicsystemstosufferconsiderablyheavyimpactloads.Insuchsituations,thehydraulicsystemshouldbecompliantwiththeexte
7、rnalloadappliedonit,andmakeastableresponseasmuchaspossibletotheenvironmentwhiletheenergyofimpactsisdissipatedandthedesiredworkingpressureisachieved.Thetransitionbetweenthenormalconditionstoimpactrespo
