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沈阳化工大学科亚学院学士学位论文摘要 随着我国科技建设的不断推进，我国在生产等各个领域的建设规模也在不断扩大，同时促进了我国机械化建设水平的提高。所以，先进的机械设备将会成为促进施工速度的重要保障，同时也是保障工程质量的物质保证。起重机械在煤矿,码头等实现机械化,自动化以及提高劳动生产量方面发挥了重要作用。起重机械一般以间歇,重复的方法进行工作，取物装置的起升,下降或者平移等完成运送货物。在工作进行中，工作范围相对来说较大，且危险因素较多。 因此，在起重机的设计，制造过程中，设计参数和设计要素就相对重要，主要设计参考的几个要素包括：起重绳索，绞车及锚碇，轮胎起重机和汽车起重机，缆索起重机，桩基，构件装卸运输与堆放等。 设备管理是企业经营的重要环节，通过各种技术,经济和组织等措施，对现有设备进行规划,设计，使用,维修,改造,直至完全报废等全过程的管理。我国对安全生产方面一直都相当重视，但是在执行和客观的条件方面都有许多不确定的不安全因素，尤其是在人为方面，由于生产者忽视安全生产的作用，往往会造成很大的安全事故。我们应该从这些相当重大的生产事故中吸取教训，防患于未然，最根本的最重要的就是从起重机械的设计和管理等一些方面做起，保证产品的质量，尽量减少事故的发生。 关键词:起升机构； 小车运行机构； 门式起重机Abstract With the continuous advance of Chinas economic construction, manufacturing and other areas of the building are getting bigger, while promoting improvement in the level of mechanization. Therefore, advanced machinery and equipment has become an important guarantee to promote the construction speed, but also ensure the quality of the material guarantee. Lifting machinery in the mines, docks and other mechanization, automation, and improve labor productivity has played an important role. Lifting generally intermittent, repetitive approach to work, extract lifting devices, down or panning, etc. to achieve delivery of goods. In the course of their work, the scope of work is relatively large, and a lot of risk factors. So, in crane design, manufacturing process, design parameters and design elements is quite important, the main design elements of reference include: lifting rope, all kinds of pulleys, winches and anchor, mast, truck crane stack components such as transportation and handling. Device management is an important part of business, through a variety of technical, economic and organizational measures for existing equipment planning, design, manufacture, installation, use, maintenance, alteration, until the retirement of the whole process of management. Management objective is to obtain a better job running effect, that is, we should give full play to the effectiveness of the device, but also the pursuit cycle cost of the most economical. Our country has always attached great importance to production safety, but in the execution, command and objective conditions, there are many uncertain factors of insecurity, especially in human terms, because producers ignore the role of production safety, often cause significant security incidents. We should start with the production of these major accidents learn and take preventive measures, the most important of the most fundamental is from the crane design, manufacture, use and management to start a series of aspects, to ensure product quality, as far as possible reduce accidents.construction, mechanization and automation are also rising, with this adaptation of crane technology is developing rapidly, increasing product range, range more widely.Key Words：Hoisting mechanism； Trolley run institutions； Gantry crane目 录 TOC o 1-3 h u HYPERLINK l _Toc13745 第一章 引言 PAGEREF _Toc13745 1 HYPERLINK l _Toc26737 1.1 门式起重机的用途以及工作特点 PAGEREF _Toc26737 1 HYPERLINK l _Toc7325 1.2 门式起重机分类及其应用 PAGEREF _Toc7325 1 HYPERLINK l _Toc30532 1.3 门式起重机的主要参数 PAGEREF _Toc30532 2 HYPERLINK l _Toc11391 1.4 门式起重机的表示方法 PAGEREF _Toc11391 3 HYPERLINK l _Toc32047 1.5 门式起重机的选用 PAGEREF _Toc32047 3 HYPERLINK l _Toc14887 1.6 门式起重机的传动过程和工作原理 PAGEREF _Toc14887 4 HYPERLINK l _Toc13717 1.7 门式起重机国内外研究历史与现状 PAGEREF _Toc13717 4 HYPERLINK l _Toc11771 1.8 本次起重机设计的结构图 PAGEREF _Toc11771 5 HYPERLINK l _Toc16291 第二章计算 PAGEREF _Toc16291 6 HYPERLINK l _Toc10573 2.1 载荷情况 PAGEREF _Toc10573 6 HYPERLINK l _Toc8923 2.1.1 正常的载荷 PAGEREF _Toc8923 6 HYPERLINK l _Toc6977 2.1.2 工作最大载荷 PAGEREF _Toc6977 7 HYPERLINK l _Toc10445 2.1.3 非工作最大载荷 PAGEREF _Toc10445 7 HYPERLINK l _Toc27169 2.2 起重机设计算依据 PAGEREF _Toc27169 8 HYPERLINK l _Toc15792 2.2.1 起重机设计依据 PAGEREF _Toc15792 8 HYPERLINK l _Toc15373 2.2.2 起重机设计参数 PAGEREF _Toc15373 8 HYPERLINK l _Toc22212 2.3 起重机截面特性设计计算 PAGEREF _Toc22212 9 HYPERLINK l _Toc616 2.31 主梁截面几何设计 PAGEREF _Toc616 9 HYPERLINK l _Toc5268 2.3.2 支腿截面特性 PAGEREF _Toc5268 10 HYPERLINK l _Toc17779 2.4 主梁设计计算及校核 PAGEREF _Toc17779 12 HYPERLINK l _Toc18590 2.4.1 主梁计算载荷与内力 PAGEREF _Toc18590 12 HYPERLINK l _Toc23025 2.4.2 主梁强度计算 PAGEREF _Toc23025 16 HYPERLINK l _Toc236 2.4.3 主梁工字钢下翼缘局部集中应力 PAGEREF _Toc236 16 HYPERLINK l _Toc14545 2.4.4 合成应力 PAGEREF _Toc14545 17 HYPERLINK l _Toc4500 2.5 支腿设计计算及校核 PAGEREF _Toc4500 19 HYPERLINK l _Toc12582 2.5.1 支腿几何参数 PAGEREF _Toc12582 19 HYPERLINK l _Toc4938 2.5.2 支腿强度计算 PAGEREF _Toc4938 20 HYPERL