design and calculation of metal structures includes structural design, to determine the size and strength check of main beam and side beam.РThe crane metal structure mainly solid web framework, this framework made bination welding of plate, it has good strength and stiffness, and meeting the requirements of the crane carrying capacity. Processing operations of welding frame structure is simple and process performance of it is well, and reduce manufacturing costs of crane.Р РKeywords: crane; bridge crane; main beam; side beam; metal structureР目录Р摘要?IРABSTRACT?IIР目录?IVР第1章绪论?1Р1.1 课题研究的意义及现状?1Р1.2 论文主要研究内容?6Р第2章整体方案设计?7Р2.1 主梁整体方案设计?7Р2.2 端梁整体方案设计?12Р2.3 主端梁连接整体方案设计?14Р第3章主梁设计计算?15Р3.1 主要技术参数选择?15Р3.2 主梁设计计算?16Р第4章端梁设计计算?31Р4.1 跨中截面设计计算?31Р4.2 支撑截面设计计算?33Р第5章结论?36Р参考文献?37Р致谢?38Р附件1?39Р附件2?50