桥式起重机主梁安全性分析(2)

1、. 桥式起重机的主梁安全性分析摘要 本文主要对桥式起重机的主要金属结构进行了简单介绍力学性分析和安全性验证和事故案例分析等。主梁力学性分析和安全性验证主要包括主梁在受主要力时的强度，以及刚度的验算等等。随着我国制造业的发展，桥式起重机越来越多的应用到工业生产当中。在工厂中搬卸重物，机床上下件，装运工作吊装零部件，流水线上的定点工作等都要用到起重机。起重机中种数很多，在大小工厂中均有应用的就是小吨位的起重机，小吨位桥式起重机广泛的应用于轻量工件的吊运，在我国机械工业中占有十分重要的地位。但是，但是我国现在应用的各大起重机还是仿造国外落后技术制造出来的，而且已经在工厂内应用了多年，有些甚至还是七八

2、十年代的产品无论在质量上还是在功能上和安全性上都满足不了日益增长的工业需求。使其成本低化布置合理化，功能现代化，运行安全化是我们的研究课题。本论文就是对小吨位桥式起重机进行力学性受力分析进而分析桥式起重机其主要机构之一主梁的安全性能。关 键 词：桥式起重机 ， 安全性 ， 主梁 ，应力 ，强度 ，刚度。 精品.the main girder bridge crane safety analysis author shuai zheng tutor : yanping wuabstran this paper focuses on the main bridge crane metal stru

3、cture is simply introduced mechanics analysis and safety test, etc. main girder mechanics analysis, and security verification mainly includes the main girder by the strength of the force, and the stiffness checking the and so on. along with the development of the manufacturing industry in our countr

4、y, bridge crane more and more applied to industrial production of. in a factory moved discharge weight, up and down a machine, shipping work hoisting parts, the assembly line pointing work with crane. crane species in many, in the size of the factory are the application is small tonnage crane, small

5、 tonnage bridge crane widely used in light of the workpiece hoisting, mechanical industry in china occupies very important position. but, but our country now the application of the big crane or counterfeit foreign backward technology made out, and it was already factory in the application for many y

6、ears, and some even or the s and s products both in quality and in function and safety are cant satisfy the growing industrial demand. the low cost of reasonable layout, function modernization, safety operation of our research subject. this paper is to the small tonnage bridge crane mechanical sex s

7、tress analysis and then analyzes the main bridge crane girder of one of the safety performance of the organization. keywords：bridge crane, security, girders, stress, intensity stiffness.精品.目 录 桥式起重机的主梁安全性分析11主要结构简介2 1.1主梁的介绍21.2 端梁的介绍22 起重机主要尺寸32.1主梁尺寸32.2端梁尺寸32.3主梁腹板高度32.4主梁截面尺寸43 主梁的计算53.1计算载荷53.2主梁垂直最大弯矩63.3主梁水平最大弯矩73.4主梁强度验算83.5主梁垂直刚度验