吨级导梁式定点起吊架桥机研究

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1、,西南交通大学硕士研究生学位论文第17页西南交通大学硕士学位论文900吨级导梁式定点起吊架桥机研究姓名：冯燕申请学位级别：硕士专业：机械工程指导教师：杜海若20071001,西南交通大学硕士研究生学位论文第17页AbstractRailwayistheimportantfoundationalfacilitiesinacountry,whichpossessesthesignificantplaceandleadsthebackboneeffectsonthesynthetic,西南交通大学硕士研究生学位论

2、文第17页itransportationsystem.Thecapabilityofthemainlineisstillseriouslyinourcountryatpresent,andmostoftherailwaysarepassenger-cargomixedtrafficlines,excepttheQin-Shendedicatedpassengerline.Itisimpossibletomeettherunningtechnicalrequirementtobothhighspeedpass

3、engertrainandheavy-haulfreighttrainatthesametime.Thehigherdemandofpassenger-cargotransportedcan’tbesatisfiedalso.Buildingthededicatedpassengerlineandmakingpassengertransportandfreighttransportbeseparatedinthebusiesttrunklines，cansharplyraisethecapabilityof

4、railwaytransportation.Thetransferofpassengertrainsrunningintheexistinglineswillrelievetheoverbusysituationoftheexistinglinesandwillsatisfythetransportationrequirementofeconomiczonesandurbanareas.Todothatcandeveloptheheavyhaulgoodstransportationsotofitthede

5、velopingtransportationneeds.Inourcountry,anewlarge-scalewavehasemergedtobuildhighspeedrailroadastheconstructingofthefollowingdedicated-passenger-linesof"JingjinArea","Wuguang"Hening",“Zhengzhou-Xi'an"andsooninsuccession-Theworkneedsagreatquantityofhightonn

6、agebridgebeamerectingfacilities.Butthetraditionaloneshadalreadydissatisfiedinconstruction.Thereforethedevelopmentofhightonnagebridgebeamerectingmachineshouldbecarriedouttosatisfytheengineeringneeds.DF900guidingbeamnon-movingliftingbridgeerectionmachinewasm

7、anufacturedforconstructionofdedicatedpassengerlinespecially.Itsdesignabsorbedtheadvantagesofthesamekinddomesticandinternationalfacilities,,西南交通大学硕士研究生学位论文第17页anditssignificantfeatureswerefixed-pointholding,simplysupportedvia,liftingsystemunilayerwindedbywi

8、reropes,transform-spMioperatedeasilyandsoon;thewholemachineadoptesPLCtocontrolwhichpossessedthefunctionsofrealtimedisplayandmonitoring,warning;thedesignofsappressurewasreasonable;twotypeofoperatingsystemsmade