桥式起重机课程设计

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1、共 33 页 第 1 页 摘要摘要 随着现代科学技术的迅速发展，工业生产规模的扩大和自动化程度的提 高，起重机在现代化生产过程中应用越来越广，作用愈来愈大，对起重机的 要求也越来越高。尤其是计算机技术的广泛应用，许多跨学科的先进设计方 法出现，这些都促使起重机的技术进入崭新的发展阶段。 本起重机为 16t 桥式起重机。本课题主要对起重机的起升机构进行总体 设计，起升机构有一台电动机，一台减速器，一台轮式制动器，一套卷筒装 置和上滑轮装置构成。要求起重设备运行平稳,定位准确, 安全可靠, 技术性 能先进。 本文简要地介绍了起重机的性能、结构、发展状况等，并参照起重机 设计规范(GB3811-83

2、)及起重机设计手册对起重机起升机构及其零部件 进行设计计算，从方案论证到具体设计计算，充分发挥了计算机在整体设计 中的作用，从而提高了设计质量、缩短了设计周期，提高了工作效率 关键词：起重机，桥式起重机，起升机构设计 共 33 页 第 2 页 Abstract With fast developments of the modern technology, the expansion of in dustrial production and the growth of the automatic level, applications of the carnes in the modern

3、manufacture has been more and more extensive, the effect has been bigger and bigger. Higher and higher requirement has been caused. Especially, with the broad application of computer technology and the appearance of the advanced design method of a lot of inter discipline, which urge the technology o

4、f the carne into a brand-new seedtime. This carne is a kind of 16t bridge carnes for hydropowerstation. This paper focuses on design ofhoisting mechanism of the carne, including the main and assistanthoisting mechanism with electromotors, reducers, brake staffs, drumdevices and pulley gears. The car

5、ne is required to be stables, highaccuracy, safety, reliability and advanced technology. This text briefly introduce the carnes capability, structure, theactuality of development, and so on, referring to “Design criterion of carne” (GB3811-83) and design and calculate of thehoisting mechanism and it

6、s accessory in “Design handbook ofcarne”. From scheme demonstrating to designing and calculating, ittakes full advantage of the computer in the whole design to raisethe quality of the design, cut the cycle of the design, improve thework efficiency. Key words: carne, Bridge Crane, design of the hoisting mechanism 共 33 页 第 3 页 目录目录 摘要1 Abstract 2 目录3 第 1 章 绪论5 1.1 起重机起升机构设计要求.5 1.2 起重机工作过程分析.6 1.3 课题关键问题及难点.6 第 2 章 起升机构的设计7 2.1 钢丝绳的选择.7 2.1.1 钢丝绳最大静拉力.7 2.1.2 选择钢丝绳.8 2.2 滑轮.8 2.2.1 材