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目錄
第1章 前言······················································1
1.1 塔式起重機概述··············································1
1.2 塔式起重機的發(fā)展情況········································1
1.3 塔式起重機的發(fā)展趨勢·······································3
第2章 總體設(shè)計··················································5
2.1 概述······················································· 5
2.2 確定總體設(shè)計方案············································5
2.2.1 金屬結(jié)構(gòu)···············································5
2.2.2 工作機構(gòu)···············································22
2.2.3 安全保護裝置···········································29
2.3 總體設(shè)計設(shè)計總則···········································32
2.3.1 整機工作級別 ··········································32
2.3.2 機構(gòu)工作級別···········································32
2.3.3主要技術(shù)性能參數(shù)······································· 33
2.4 平衡重的計算···············································33
2.5 起重特性曲線···············································35
2.6 塔機風(fēng)力計算·············································· 36
2.6.1 工作工況Ⅰ············································37
2.6.2 工作工況Ⅱ············································41
2.6.3 非工作工況Ⅲ···········································43
2.7整機的抗傾翻穩(wěn)定性·········································45
2.7.1工作工況Ⅰ············································46
2.7.2工作工況Ⅱ············································47
2.7.3非工作工況Ⅲ··········································49
2.7.4工作工況Ⅳ············································50
2.8固定基礎(chǔ)穩(wěn)定性計算·········································51
第3章 塔身的有限元分析設(shè)計···································53
3.1 塔身模型簡化···············································53
3.2 有限元分析計算·············································54
3.2.1 方案一···············································54
3.2.2 方案二··············································79
3.2.3 方案三··············································98
第4章 塔身的受力分析計算····································121
4.1 穩(wěn)定性校核················································121
4.2 塔身的剛度檢算············································122
4.3 塔身的強度校核············································124
4.4 鏈接套焊縫強度的計算······································125
4.5 塔身腹桿的計算············································126
4.6 高強度螺栓強度的計算······································127
第5章 畢業(yè)設(shè)計小結(jié)···········································129
致謝·····························································130
主要參考文獻····················································131