a型门式起重机主梁结构设计

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1、东华理工大学长江学院毕业设计题目：32/5tA型门式起重机主梁结构设计和主起升机构设计英文题目：32/5tAtypegantrycranemaingirderstructureandhoistingmechanismdesign学生姓名：吴壮飞学号：08311122专业：机械工程及其自动化（机械制造）系别：机械与电子工程系指导教师：黄伟莉二零一二年六月摘要本次设计为32/5tA型双梁门式起重机结构设计；门式起重机实现港口货场装卸作业效率，减轻工人劳动强度，改善工人操作条件；是货场重要的起重运输机械。A

2、型双梁门式起重机主要由双主梁四刚支腿以及马鞍上下横梁组成门式起重机的主要金属结构。本次设计主要是主梁结构和主起升机构的设计计算，主梁结构主要考虑载荷稳定性的计算,主起升机构主要考虑整个机构部件的选择,并使之满足起重机所要完成的吨位要求。关键字：A型门式起重机主梁结构主起升机构AbstractThedesignforthe32/5tAdual-beamstructuredesigngantrycrane;Gantrycranetoachieveoperatingefficiencyoftheportlo

3、adingandunloadingfreightyard，Workerstoreducelaborintensityandimproveconditionsforworkerstooperate;Gantrycranewasliftingthefreightyardimportanttransportmachinery；Adual-beamgantrycranemainlyfromtwomainbeam，tworigidoutrigger,fourthesaddleandbeamsoftopandbo

4、ttomgantrycraneofthemainmetalstructure.Themaingirderstructureanddesignisthedesignandcalculationofthehostingmechanismandstructureofthemaingirdermainconsiderationthestabilityofloadcalculation,theliftingmechanismmainconsiderationthewholeorganizationthechoi

5、ceoftheparts,andwiththatofcranearetryingtoaccomplishthetonnagerequirements.Keyword：Adual-beamgantrycraneMaingirderstructureMainhoistingmechanism目录绪论.........................................................................................................

6、.............................10.1结构简介......................................................................................................................10.2发展现状..........................................................................................

7、............................10.3研究目的和意义..........................................................................................................20.4本课题的主要内容................................................................................................

8、......21主梁结构设计..................................................................................................................31.1主梁截面的几何参数........................................................................................