桥式起重机毕业设计说明书详解.doc

桥式起重机毕业设计说明书 桥式起重机毕业设计,本人QQ740215186,验证时请说”桥式起重机”,桥式起重机毕业设计全部有什么不清楚的加我QQ ,想要预览什么图 可以先发过去截图 浙江大学毕业设计 2 浙江大学毕业设计 摘 要 关键词：桥式起重机；起重机小车；起重机大车；运行机构；起升机构；桥架机构；卷筒；减速器。 3 浙江大学毕业设计 Abstract This article mainly introduced the entire design theory and design process of bridge crane,which elaborated domestic and foreign crane development status.Among of them,it focused on the design of the bridge crane operation of institutions and hoisting mechanism.The overall design that mainly includes the integral design of bridge crane car mechanism and transmission layout;thecalculation of crane small car mechanism; the integral design of the cart mechanism;and bridge structure design calculation;and so on.Inaddition, thispaper involves bearing choice,coupling choice,motor choice,along with reducer choice and checking. In the design process of this paper, mainly adopts methods of documentation, methods of the design of hardware,and discussion were used.Combined with the domestic and foreign research development.Referenced some machining workshop crane used performance parameters,thus the design of crane system was completed. Keywords: Bridge crane; Crane small car; Crane cart; operating mechanism;Hoisting mechanism; Bridge institutions; drum;reducer. 4 浙江大学毕业设计 目 录 摘要 .................................................................................................................. 1 Abstract ........................................................................................................... 4 第一章 绪论 .................................................................................................. 8 1.1 概述 .......................................................................................................................... 8 1.2 桥式起重机发展概述 .............................................................................................. 8 1.2.1 国外桥式起重机发展动向 ......................................................................... 9 1.2.2 国内桥式起重机发展动向 ..................