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基于提梁机液压系统故障的分析与排除方法研究.docx

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基于提梁机液压系统故障的分析与排除方法研究 Abstract Asanimportantdeviceinthemanufacturingindustry,theliftingmachineplaysacrucialroleintheliftingandtransportationofvariousmaterialsandequipment.However,thehydraulicsystemoftheliftingmachineispronetovariousfailures,whichaffectstheproductionefficiency.Thispaperaimstoanalyzeandeliminatethehydraulicsystemfailuresoftheliftingmachine,providingareferenceforthemaintenanceandimprovementofmanufacturingequipment. Keywords:liftingmachine,hydraulicsystem,failureanalysis,troubleshooting 1.Introduction Theliftingmachineiswidelyusedinvariousindustriessuchasmetallurgy,machinery,chemicalindustry,andtransportation.Thehydraulicsystemisanessentialpartoftheliftingmachine.Itprovidespowerforlifting,lowering,andtransportingthecargo.Thehydraulicsystemisacomplexsystemthatincludesvariouscomponentssuchaspumps,valves,cylinders,hoses,andfilters.Anyfailureofthesecomponentswillcausetheliftingmachinetomalfunction,whichwillaffecttheproductionefficiency. 2.FailureAnalysis 2.1HydraulicOilLeakage Hydraulicoilleakageisacommonprobleminthehydraulicsystemofliftingmachines.Theleakageofhydraulicoilwillnotonlyreducethehydraulicoillevelbutalsocauseenvironmentalpollution.Themainreasonsforhydraulicoilleakageareasfollows: -Thesealingringisdamagedorworn,causingoilleakagefromthegap; -Thejointofthepipelineisnottight,causingoilleakagefromtheconnection; -Thesurfaceofthepipelineisdamaged,causingoilleakagefromthecrack. 2.2UnstableLifting Theliftingmachinecannotmaintainstablelifting,whichaffectsthesafetyofliftingandtheaccuracyofcargodelivery.Themainreasonsforunstableliftingoftheliftingmachineareasfollows: -Thehydraulicpumpfailstodeliversufficientoil; -Thereversingvalveisblocked,resultingininadequatehydraulicpressureinthecylinder; -Theloadisunevenlydistributed,causingthehydrauliccylindertotilt. 2.3SlowLiftingSpeed Theliftingspeedisslow,whichaffectstheefficiencyofproduction.Themainreasonsforslowliftingoftheliftingmachineareasfollows: -Thehydraulicoilisinsufficient,resultingininsufficienthydraulicp