双梁中轨箱型桥式起重机方案设计书(含CAD图纸)(1).docVIP

目 录 内容摘要 1 1.绪 论 3 1.1桥式起重机的介绍 3 1.2桥式起重机设计的总体方案 3 1.3主梁和桥架的设计 3 1.4端梁的设计 4 2.选型计算部分 4 2.1主起升机构的设计 4 2.2副起升机构的设计 8 2.3小车运行机构 11 2.4大车运行机构的设计 16 3.结构计算部分 20 3.1桥架尺寸的确定 20 3.2主梁尺寸 21 3.3主端梁界面 22 3.4端梁截面尺寸的确定 23 3.5主.端梁截面几何性质 24 3.6载荷 25 3.7扭转载荷 28 3.8主梁的计算 28 3.9端梁的计算 38 3.10稳定性 39 3.11总功率 41 总结 42 参考文献 43 致谢 44 附录：全套CAD图纸，装配图A0，零件图A1 如需联系作者QQ 401339828 内容摘要：这次毕业设计是针对毕业实习中桥式起重机所做的具体到吨位级别的设计。随着我国制造业的发展，桥式起重机越来越多的应用到工业生产当中。在工厂中搬运重物，机床上下件，装运工作吊装零部件，流水线上的定点工作等都要用到起重机。起重机中种数量最多，在大小工厂之中均有应用的就是小吨位的起重机，小吨位的桥式起重机广泛的用于轻量工件的吊运，在我国机械工业中占有十分重要的地位。但是，我国现在应用的各大起重机还是仿造国外落后技术制造出来的，而且已经在工厂内应用了多年，有些甚至还是七八十年代的产品，无论在质量上还是在功能上都满足不了日益增长的工业需求。如何设计使其成本最低化，布置合理化，功能现代化是我们研究的课题。本次设计就是对小吨位的桥式起重机进行设计，主要设计内容是50t/10t桥式起重机的结构及运行机构，其中包括桥架结构的布置计算及校核，主梁结构的计算及校核，端梁结构的计算及校核，主端梁连接以及大车运行机构零部件的选择及校核。 关键词：起重机 大车运行机构 桥架 主端梁 小吨位 Abstract：The graduation project is a bridge crane for the graduation field work done by the tonnage level specific to the design. As Chinas manufacturing industry, more and more applications crane to which industrial production. Carry a heavy load in the factory, machine parts up and down, the work of lifting parts of shipment, assembly line work should be fixed on the crane is used. The largest number of species of cranes, both in the size of the factory into the application is small tonnage cranes, bridge cranes small tonnage of lightweight parts for a wide range of lifting, in Chinas machinery industry plays a very important position. However, our current application, or copy large crane behind the technology produced abroad, and has been applied in the factory for many years, and some 70 to 80 years of products, both in quality or functionality are not growing to meet the industrial demand. How to design it the lowest cost, rationalize the layout, function modernization is the subject of our study. This design is for small tonnage bridge crane design, the main design elements are 50t/10t crane structure and operation of institutions, including the bridge structure, calculation