龙门式起重机的设计.doc
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1、摘 要龙门式起重机是一种重要的物料搬运设备,广泛应用于厂矿、车站、港口、电站等 生产领域中。随着经济的发展,它不仅在国民经济中占有重要的位置,而且在社会生产 和生活的领域的应用也不断扩大。国内各生产企业都在各自所属的领域内扩展产品种类 及优化产品性能,采用一些先进的技术来开发自己的产品或通过引进国外先进技术来提 高产品质量。本文首先简要介绍了课题的研究背景和意义,以及龙门起重机的发展趋势与结构分 类然后列出了450t38m龙门起重机设计的基本的参数,完成450t38m龙门起重机总体 的设计计算了该龙门起重机受到的静载荷、 动载荷、风载荷、偏斜运行时的水平侧向力、碰撞力等等计算了龙门起重机的轮压
2、,校核了起重机的稳定性、正常工作状态和非正常 工作状态的防风抗滑安全性。 以及对龙门式起重机的金属结构设计和计算,对龙门式起重 机的小车起升机构和行走机构进行了设计与计算,对龙门式起重机的大车行走机构进行 了设计与计算。关键词 起重机,结构设计,起升机构,行走机构;Abstract Gantry crane is a kind of important material handling equipment, it is widely used in factories and mines, stations, ports, power plants and other areas of pr
3、oduction. With the development of economy. It not only in the national economy occupies an important position, and application in the field of social production and life also is expanding constantly. Domestic production enterprises are in their respective areas of extended product type and the optim
4、ization of product performance, uses some advanced technologies to develop their own products or through the introduction of foreign advanced technology to raise the quality of products. The wind proof and skid resistance safety. And for gantry crane metal structure design and calculation of stabili
5、ty check, a gantry crane wheel pressure calculated in this paper, we first introduce the research background and the significance of the topic, and gantry crane development trend and structure divided into and list the 450t. 38m gantry crane design of basic parameters, completes the 450t. 38m gantry
6、 cranes overall design static load by the gantry crane is calculated, dynamic load, wind load, running deviation of lateral force, collision force and so on crane and normal working state and non normal working state The design and calculation of the hoisting mechanism and the running mechanism of t
7、he hoisting mechanism of Longmen crane are designed and calculated. Keywords crane, structure design, lifting mechanism, running mechanism;目 录1起重机的总体设计主要内容包括以下方面11.1门式起重机总体设计方案确定11.1.1起重机的设计参数是指11.2龙门起重机的总体方案和基本参数确定11.2.1起重机各构件质量数据如下113主起升机构的设计21.3.1选择钢丝绳21.3.2选用钢丝绳标记如下31.4门架的结构选择型式41.4.1门架的主要尺寸的确定4
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