1、武汉科技大学本科毕业设计 I 摘 要 桥式起重机使厂矿企业实现机械化生产，减轻繁重体力劳动的重要设备。在一些连续性生产流程中他有事不可或缺的工艺设备。目前，桥式起重机被广泛应用在国民经济建设各个领域，产品也已经形成多个系列。随着经济建设的发展，用户对其性能要求越来越高，这需要我们从其零件着手，优化设计，提高桥式起重机的综合经济效益。 本文主要介绍了桥式起重机的整体设计理论和设计过程，其中重点设计了桥式起重机的起升机构和运行机构。主要包括桥式起重机小车运行机构的整体设计及传动机构的布置、起升机构的计算、小车运行机构计算。还有起 升机构卷筒组的设计计算和吊具的设计计算。 关键词 ：桥式起重机；起重
2、机小车；卷筒；吊具 武汉科技大学本科毕业设计 II Abstract Bridge crane to enable the realization of mechanical production of Factories and mines to reduce the importance of heavy equipment manual In some of the continuity of the production process it is essential for process equipment It can be in plant ， warehouse use ，a
3、lso son of the use of open-air yard ， is a most widely used mechanical crane At present the bridge crane is widely used in various fields of national economic construction， the production has also formed a number of series With the development of the economic construction, users increasingly high pe
4、rformance requirements so its design requirements has become more sophisticated， Which require us to proceed from the parts And optimize the design improve the comprehensive cost-effective bridge crane This article mainly introduced the entire design theory and design process of bridge-type hoist cr
5、ane， which focused on the design of the bridge crane hoisting mechanism and operation of institutions Including major bridge crane car running in the overall design and layout of the transmission mechanism， the lifting bodies， agencies calculate car running Since there are groups or institutions reel and hook the design and calculation of the design group Key words： bridge-type hoist crane； crane trolley； reel； hook
