-1-QTZ25型塔式起重機變幅機構(gòu)摘要塔式起重機是一種塔身豎立而起重臂回轉(zhuǎn)的起重機械，。它具有適用范圍廣，回轉(zhuǎn)半徑大，起升高度較高、效率高、操作簡便，安裝和拆卸較為方便等特點。目前在我國建筑安裝工程中已得到廣泛應(yīng)用，特別是在高層工業(yè)和民用建筑中，已成為一種必不可少的施工機械。我對QTZ塔式起重機方面的書籍進行參考和了解，結(jié)合已學(xué)專業(yè)基礎(chǔ)知識，理解融合，并運用Matlab對變幅機構(gòu)進行仿真模擬設(shè)計，對工作裝置進行參數(shù)優(yōu)化。變幅機構(gòu)設(shè)計：1）建立變幅機構(gòu)的數(shù)學(xué)模型；2）選用約束優(yōu)化方法中的二次序列規(guī)劃法進行設(shè)計優(yōu)化；3）編寫Matlab計算機程序；4）準(zhǔn)備必要的工作機構(gòu)的設(shè)計初始數(shù)據(jù)并上機計算；5）最后對計算機求得的結(jié)果進行必要的結(jié)構(gòu)強度、精度分析,最終完成本課題的研究關(guān)鍵詞：塔式起重機，變幅機構(gòu)，二次序列規(guī)劃法-2-TheDesignofQTZ25CraneLufferAbstractTowercraneisakindofhoistingmachinerywhosetowerbodystandsupandgibbetrevolvesIthassomeparticular：wideapplicability，largeradiusofgyration，higherliftingaltitude，highefficiency，handyoperationandmoreconvenientremovalAtpresent，ithadbeenusedextensivelyinconstructionfieldengineering，especiallyinhigherlevelindustryandcivilianconstruction，itbecameakindofrequisiteconstructionmachineryIconsultedandlearnedaboutsomebooksontowercrane，combinedsomebackgroundelementaryknowledgeaboutthespeciality，andproceedanaloguesimulationtolufferwithMatlabThedesignofluffer：1)establishluffersmathematicalmodel；2)attachthequadricsequencemethodofplanningofconstrainedoptimizationfordesignoptimization；3)writecomputerprogram；4)preparenecessaryprimarydataofoperatingmechanismsdesigningandcountwithcomputer；5)Inspectthestrengthofstructureandanalyzeprecisionwhichcamefromtheoutcome，atlastfinishtheresearchdesignofthistopicAnewkindsandwichstructure.KeyWords：TowercraneisakindofhoistingmachinerywhosetowerbodystandsupandgibbetrevolvesIthassomeparticular：wideapplicability，largeradiusofgyration，higherliftingaltitude，highefficiency，handyoperationandmoreconvenientremovalAtpresent，ithadbeenusedextensivelyinconstructionfieldengineering，especiallyinhigherlevelindustryandcivilianconstruction，itbecameakindofrequisiteconstructionmachineryIconsultedandlearnedaboutsomebooksontowercrane，combinedsomebackgroundelementaryknowledgeaboutthespeciality，andproceedanaloguesimulationtolufferwithMatlabThedesignofluffer：1)establishluffersmathematicalmodel；2)attachthequadricsequencemethodofplanningofconstrainedoptimizationfordesignoptimization；3)writecomputerprogram；4)preparenecessaryprimarydataofoperatingmechanismsdesigningandcountwithcomputer；5)Inspe