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目錄
第一章 前言·······················································1
1.1 塔式起重機概述··············································1
1.2 塔式起重機的發(fā)展趨勢········································1
第二章 總體設計··················································2
2.1 概述························································2
2.2 確定總體設計方案············································2
2.2.1 金屬結構················································2
2.2.2 工作機構···············································19
2.2.3 安全保護裝置···········································27
2.3 總體設計設計總則···········································29
2.3.1 整機工作級別 ··········································29
2.3.2 機構工作級別···········································29
2.3.3主要技術性能參數······································· 30
2.4 平衡臂與平衡重的計算·······································30
2.5 起重特性曲線···············································32
2.6 塔機風力計算·············································· 34
2.6.1 工作工況Ⅰ·············································34
2.6.2 工作工況Ⅱ·············································38
2.6.3 非工作工況Ⅲ···········································40
2.7整機的抗傾翻穩(wěn)定性·········································43
2.7.1工作工況Ⅰ·············································44
2.7.2工作工況Ⅱ·············································45
2.7.3工作工況Ⅲ·············································46
2.7.4工作工況Ⅳ·············································47
2.8固定基礎穩(wěn)定性計算·········································49
第三章 塔頂的總體結構和受力分析······························51
3.1 塔頂總體···················································51
3.1 塔頂尺寸設計···············································52
3.1 塔頂受力分析···············································53
第四章 塔頂的模型簡化和有限元分析····························55
4.1 塔頂模型建立的幾點簡化及分析過程···························55
4.2 塔頂結構的有限元分析·······································55
4.2.1塔頂模型的建立·········································56
4.2.2有限元分析計算·········································57
第五章 塔頂受力校核
5.1 塔頂穩(wěn)定性校核·············································71
5.2 塔頂剛度校核···············································72
5.3 塔頂強度校核···············································72
第六章 畢業(yè)設計小結···········································73
致謝·····························································75
主要參考文獻····················································76