大尺寸欧标球铰支座的设计要点及工程应用

Design Key Points and Engineering Application of Large Size European Standard Spherical Bearing

以L体育场工程为实例,介绍了球铰支座应用欧标规范的设计要点。依据欧标对荷载组合进行分析,筛选出用于验算球形支座不同部件的控制工况。以手算试算为基础,验算了支座顶板、底板、PTFE滑板、螺栓等关键部件的强度,考虑了可更换设计的操作空间,初步确定了支座的几何参数。再通过有限元建模分析,验证手算的计算结果,优化部件的设计,最终确定设计方案。为同类工程的支座设计提供了借鉴。

This article takes the L Stadium engineering as the example to introduce the key points of spherical bearing design based on BS EN standard. The different load combinations according to BS EN standard are analyzed and selected as governing load cases to do the design. The strength of bearing top plate,bottom plate,PTFE sliding sheets and bolts are initially verified by hand-calculation methods considering the operation space of bearing installation and replacement. And finite element analysis method is used to verify and optimize the design. This article can be referable for spherical bearing design in similar project.