有哪些信誉好的足球投注网站- 1、本文档共131页，可阅读全部内容。
- 2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
- 3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击 这里二次下载。
- 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
查看更多
建 筑 工 程 学 院
本科毕业设计（论文）
题 目
QTZ40塔式起重机总体及塔身有限元分析法设计
学 科 专 业 机械设计制造及其自动化
辅 导 教 师
目录
前言······················································1
塔式起重机概述··············································1
塔式起重机的发展情况········································1
塔式起重机的发展趋势·······································3
总体设计··················································5
2.1 概述······················································· 5
2.2 确定总体设计方案············································5
2.2.1 金属结构···············································5
2.2.2 工作机构···············································22
2.2.3 安全保护装置···········································29
2.3 总体设计设计总则···········································32
2.3.1 整机工作级别 ··········································32
2.3.2 机构工作级别···········································32
2.3.3主要技术性能参数······································· 33
2.4 平衡重的计算···············································33
2.5 起重特性曲线···············································35
2.6 塔机风力计算·············································· 36
2.6.1 工作工况Ⅰ············································37
2.6.2 工作工况Ⅱ············································41
2.6.3 非工作工况Ⅲ···········································43
2.7整机的抗倾翻稳定性·········································45
2.7.1工作工况Ⅰ············································46
2.7.2工作工况Ⅱ············································47
2.7.3非工作工况Ⅲ··········································49
2.7.4工作工况Ⅳ············································50
2.8固定基础稳定性计算·········································51
塔身的有限元分析设计···································53
3.1 塔身模型简化···············································53
3.2 有限元分析计算·············································54
3.2.1 方案一···············································54
3.2.2 方案二··············································79
3.2.3 方案三·················
文档评论（0）