本科毕业设计立体车库的机械系统设计

本本科科毕毕业业设设计计题目立体车库的机械系统设计专业机械设计制造及其自动化作者姓名学号单位机械与工程学院指导教师2015年5月教务处编原创性声明本人郑重声明：所提交的学位论文是本人在导师指导下，独立进行研究取得的成果。除文中已经注明引用的内容外，论文中不含其他人已经发表或撰写过的研究成果，也不包含为获得聊城大学或其他教育机构的学位证书而使用过的材料。对本文的研究作出重要贡献的个人和集体，均已在文中以明确方式标明。本人承担本声明的相应责任。学位论文作者签名：日期指导教师签名：日期摘要随着我国国民经济的快速发展，汽车越来越多地进入普通家庭，使得我国城市停车难问题日益加剧。机械式立体车库占地少、布局灵活、高效节能，成为目前解决停车难问题的重要方式之一，其中以升降横移式立体车库应用最为广泛。本文结合实际情况，对两层升降横移式立体车库进行结构设计，给出工程项目施工的全部技术资料。立体车库的结构设计包括车库主体框架、传动系统、载车板以及安全防坠落装置。首先，根据车库施工现场场地限制与车库设计要求确定车库主体框架和载车板的结构形式与总体尺寸；设计主传动系统、横移传动机构和安全防坠落装置的结构，并对主传动轴进行设计和强度校核。其次，采用有限元技术对车库主体框架钢结构进行不同工况条件下的稳定性分析。关键词：立体车库升降横移式结构设计有限元分析IAbstractWiththedevelopmentofthenationaleconomyinourcountry,moreandmorehouseholdpassengervehiclesareenteringthecommonfamilies，whichaggravatetheparkingproblems.Mechanicalstereogaragehasmanyadvantages，forexample，highspaceutilizationandenergyconservation．Itbecomesthefirstchoiceforsolvingtheproblemsofhardparking．Especially,lift—slidingtypestereogarageisthemostwidelyused．Combinedwithspecificengineering，themaincontentsinthispaperareasfollows：Firstly,structuredesignofthetwo·-layerlift·-slidingtypestereogaragewasfinished.SOassemblingtypeloadingPalletisfiniteelementanalysiswascompletedanditsstressanddeformationwereobtainedinthispaper,whichprovidedreferenceandbasisforassemblingtypeloadingpalletisstructuredesignandimprovement．KEYWORDS；lift—slidingtype；structuredesign；finiteelementanalysis(FEA)II目录立体车库的机械系统设计.................................................................................................................21绪论...............................................................................................................................................21．1课题研究的背景和意义....................................................................................................21．1．1论文研究的背景..................................................................................................21．1．2本文研究意义......................................................................................................21．2机械式立体车库国内外发展与现状.................................................................................31．2．1国外研究现状......................................................................................................31．2．2国内研究现状......................................................................................................52升降横移式立体车库结构设计.................................................................................................62．1升降横移式立体车库结构................................................................................................62．1．1升降横移式立体车库结构形式...........................................................................62.1.2车库主体钢结构设计..............................................................................................72．2传动系统设计....................................................................................................................92．2．1提升电机的选择..................................................................................................92．2．2提升链条链轮的选择及计算..............................................................................92.3立体车库升降横移机构设计.........................................................................................122.3.1横移机构设计.......................................................................................................122.3.2载车板设计.......................................................................................................122.3.3安全防护机构.....................................................................................................133立体车库钢结构框架分析.........................................................................................................143．1有限元分析方法概述......................................................................................................143．1．1有限单元法分析基本步骤................................................................................153．2立体车库主体框架结构建模及受力分析.......................................................................153．2．1车库主体框架几何模型的建立.........................................................................153．2．2车库主体结构力学分析及简化.........................................................................163.2.4立体车库的载荷工况.................................................................................174总结与展望...............................................................................................................................184．1总结..................................................................................................................................184．2展望..................................................................................................................................18参考文献...........................................................................................................................................20致谢...................................................................................................................................................21立体车库的机械系统设计1绪论1．1课题研究的背景和意义1．1．1论文研究的背景随着汽车数量的激增，我国城市交通压力大大增加，迫切需要新建