大型重載消防試驗吊頂液壓升降機械系統(tǒng)設(shè)計.pdf

1、洳專：j、碩士學位論文⑧論文題目太型重夔澄陵達墅雖亟遺壓丑隆扭越丕統(tǒng)遮讓作者姓名互圈4指導教師盆基副麴攫：abstractFireeomesintobeingwiththediscoverandu∞ofthefirewhichisboundl】pwiththedevelopmentofhumancivilizationTherapiddevelopmentofthesocietyhasaremarkableeffectontheways

2、ofproducingandlifetopeopleWiththeincreasingofplaceswherehavemanypeople，dangerousandhavelargescaleandcomplexbuildings，andtheuseofnewtechnologynewmaterial，newtechnics，andnewenergysourcesaddthefactorandriskoffireFromthetren

3、dofthedevelopmentofinternationalanddomesticfiresciencedevelopment，forstudyingtheprincipleofthefire，findingnewfireresistantmaterial，needentitativefiretestFireTestoflargespaceisoneofthemostimportantfiretestsInordertosimula

4、tethefirescenemoreactuallyinwhichdoingaseriesoffiretests，wecanuselmsystemtocontroltheheightofthetestceilingaccuratelysimulatingtheceilingheightofrealbuildingfacilitiesBasedontherequestofTianjinFireResearchInstitute，haved

5、esignedhydraulicliftinganddescendingmechanicalsystemThissystemcalldrivea33meterX33meterand75ton’Sfullloadingfacilityliftinganddescendingfrom3meterheightto24meterheightandorientateatanyheightThesystemcanalsocontrolthefaci

6、lityreal—time，hasthefunctionthatthespeedcanbeaccommodatedproportionallyAndthesystemisreliablemultifunctionalandSOellreItCansatisfytheneedofentitativefiretestThecontentofthispapercanbedividedintosixchaptersThesummaryofeac

7、hchapterisasfollows：Inchapter1，itgivesareviewofdeveloptendsofthefiretestandthestatusquooftherelatingtechnologyresearchonliftsystemdomesticandabroadThischapteralsogivesadescriptionofthenecessityhavingfiretestinarealscenea

8、ndbringsouttheresearchstargetandmeaningagainsttheliftsystemInchapter2，thefeaturesandtechnicalrequirementoftheloadareanalyzedComparedwitllthefeaturesofgearracktypewinchtypeandhydraulictypethesethreeliftingmodesinthecondit

9、ionofthelargeheavydutyfivewholestructurearrangementschemesareproposedAfterdemonstrationweselected齟arrangementschemethatfourcylindersidearrangement，2：1mechanicalcounterweightInthischapteranelectrohydraulicproportionalsync