20t多功能鐵路起重機(jī)的設(shè)計(jì)與主要鋼結(jié)構(gòu)優(yōu)化.pdf

1、分類號：UDC：密級：y』1404823學(xué)校代號：10150學(xué)號：G200224峽童交道義摯工程碩士學(xué)位論文201多功能鐵路起重機(jī)的設(shè)計(jì)與主要鋼結(jié)構(gòu)優(yōu)化DesignandOptimizationofMainStructuresin20tUniversalRailwayCrane學(xué)生姓名：校內(nèi)導(dǎo)師及職稱：企業(yè)導(dǎo)師及職稱：工程領(lǐng)域：研究方向：申請學(xué)位：論文答辯日期：學(xué)位授予單位：賈志學(xué)謝素明教授范國海高工機(jī)械工程機(jī)械優(yōu)化設(shè)計(jì)與機(jī)械CAD工程

2、碩士2007定大連交通大學(xué)大連交通大學(xué)T程碩十學(xué)位論文AbstractRightnow，toenhancetheprogressofmodernizationforrailwaylocomotiveandrollingstockisofvitalandurgenttaskamongitemsforstridingdevelopmentofrailwaysWiththeuprisingmovementofChineserailwaysan

3、dprogressofelectricrailroad，thesmalltonnagefullhydraulicrailwaycranebecomesmoreurgentlyneededfordevelopmentwithcharacteristicsoffastspeedselfpropelledrunningandhighspeedintrainformation，hence，thehighlevelrequirementisres

4、ultedintermsoftrainformationandselfpropelledrunningspeedofrailwaycraneForNS0201Atype20tuniversalfunctionrailwaycrane，itattachesgreatimportanceindesignThisessaypresentsseveralitemsregardingtesearchasfollows：Firstly，mainpe

5、rformancedataandtechnicalparametersofthecranearepresentedsuchaserectionandmaintenanceoftheelectricpoleandsteeltoweroftheelectricrailroad，installationofthetracklineandhooklifting，bucketgrabbingandmagneticpanellifting，main

6、mechanismofthestructuresuchasthesteelstructure，powertransmissionsystem，hydraulictransmission，operation，airbrakeandpowerplantaswellSecondly，onthebasisofthegeometricalfeatureoftheundercarriageandtherotationplatform，themode

7、lforFEAisestablishedStrengthandrigidityoftheundercarriageandtherotationplatformisalsocarriedoutasperGB／T38111983“DesignSpecificationoftheCrane”toensurethedesignsatisfyingthetechnicalspecificationThirdly，optimumdesignofth

8、eundercarriageandrotationplatformwithIDEASsoftwareisperformedThecalculationresultsindicatethatstrengthandrigidityoftheundercarriageandtherotationplatformsatisfiestherequirementTheweightoftherotationplatformhasbeenreduced

9、by77％from3435tinto3172tSuchimprovementhasresultedinmorereasonablestructure，lowercostandenhancementoftheperformanceandflexibilityTheweightoftheundercarriagealsohasbeenreducedby106％froml104tinto987tSuchimprovementhasachiev