《ld型电动单梁桥式起重机》

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1、Abstract:Thegraduationprojectisabridgecraneforthegraduationfieldworkdonebythetonnagelevelspecifictothedesign.AsChina'smanufacturingindustry,moreandmoreapplicationscranetowhichindustrialproduction.Carryaheavyloadinthefactory,machinepartsupanddown,thew

2、orkofliftingpartsofshipment,assemblylineworkshouldbefixedonthecraneisused.Thelargestnumberofspeciesofcranes,bothinthesizeofthefactoryintotheapplicationissmalltonnagecranes,bridgecranessmalltonnageoflightweightpartsforawiderangeoflifting,inChina'smach

3、ineryindustryplaysaveryimportantposition.However,ourcurrentapplication,orcopylargecranebehindthetechnologyproducedabroad,andhasbeenappliedinthefactoryformanyyears,andsame70to80yearsofproducts,bothinqualityorfunctionalityarenotgrowingtomeettheindustri

4、aldemand.Howtodesignitthelowestcost,rationalizethelayout,functionmodernizationisthesubjectofourstudy.Thisdesignisforsmalltonnagebridgecranedesign,themaindesignelementsare16/3.2tcranestructureandoperationofinstitutions,includingthebridgestructure,calc

5、ulationandcheckingthelayout,themainbeamstructurecalculationandchecking,endbeamscalculationandchecking,themainendbeamconnectandrunthecartandcheckingbodypartsofchoice.Keywords：Crane；Themovingmainframe；Bridge；Mainbeamandendbeam；Smalltonnage-30-目录Error!N

6、obookmarknamegiven.一概述··············································································11.单梁桥式起重机的工作方式················································12.单梁桥式起重机的机构特点················································13.桁架梁和箱的比较·············

7、··············································14.LD型电动单梁桥式起重机各部件作用····································15.运行机构······································································36.发展趋势································································

8、······47.工作条件及设计要求·························································4-30-8.型式及设计的构造特点······················································5二选择电动葫芦的型号规格·······················································6三主梁设计计算····························