子母剪式舉升機(jī)

1、陜西理工學(xué)院畢業(yè)設(shè)計（論文）子母剪式舉升機(jī)設(shè)計作者：楚斌（陜西理工學(xué)院機(jī)械工程學(xué)院機(jī)自071班陜西漢中723003）指導(dǎo)老師：何亞娟[摘要摘要]本設(shè)計在考慮典型的汽車舉升機(jī)的結(jié)構(gòu)形式和實(shí)際工況條件基礎(chǔ)上，依據(jù)有限元、虛擬裝配技術(shù)及結(jié)構(gòu)優(yōu)化設(shè)計等理論，建立舉升機(jī)ProE三維實(shí)體模型，CAD作圖，并進(jìn)行虛擬裝配，獲得舉升機(jī)在載荷工況作用下的應(yīng)力、應(yīng)變及變形狀況，進(jìn)一步提高舉升機(jī)的穩(wěn)定性及安全性。[關(guān)鍵詞關(guān)鍵詞]子母剪式舉升機(jī)ProECADS

2、heartypeelevatmachinedesignAuths:ChuBin（Grade07Class1Majmachinedesignmanufactureautmation，schoolofMechanicalEngineering，ShaanxiUniversityofTechnology，Hanzhong723003，Shaanxi）Tut:HeYaJuanAbstract：Thedesignofthecarliftincon

3、sideringthestructureofthetypicalfmonthebasisofactualwkingconditionsbasedonfiniteelementmethodstructuraloptimizationofvirtualassemblytechnologydesigntheytheLiftProEthreedimensionalsolidmodelCADMappingthevirtualassemblyacc

4、esstolifttheloadunderconditionsofstressstraindefmationconditionstofurtherimprovethestabilitysafetyoflift.Keywds：PictureScissLiftProECAD陜西理工學(xué)院畢業(yè)設(shè)計（論文）3.1.2計算液壓缸的推力...................................123.2舉升機(jī)的力學(xué)分析與計算.......

5、..........................123.2.1舉升機(jī)最低狀態(tài)時，各臂受力情況....................133.2.2舉升機(jī)舉升到最高位置時，各臂受力情況..............143.2.3剪刀式舉升機(jī)構(gòu)主要受力桿件強(qiáng)度校核計算............143.2.4連接螺栓的校核....................................183.3結(jié)構(gòu)加強(qiáng)措施..............

6、.............................213.4本章小結(jié)...............................................21第4章液壓系統(tǒng)和電氣系統(tǒng)的選擇...........................234.1液壓系統(tǒng)................................................234.1.1液壓系統(tǒng)組成.....................

7、.................234.2液壓系統(tǒng)的選擇.........................................254.2.1汽車舉升機(jī)液壓系統(tǒng)設(shè)計要求........................254.2.2液壓系統(tǒng)的設(shè)計.....................................264.3液壓缸的計算與選型.....................................274.

8、3.1液壓缸的安裝位置..................................274.3.2舉升機(jī)液壓缸推力及行程的確定.....................284.3.3液壓缸的選型.....................................284.4液壓泵的計算與選型.....................................284.4.1液壓泵工作壓力的計算...............