体外预应力张拉修复桥式起重机主梁下挠分析  

Analysis of Main-Beam Turndown for the Body-out Pre-stress Stretching Repairing Overhead Crane

作　　者：唐书华[1] 

机构地区：[1]安阳钢铁股份有限公司,河南安阳455004

出　　处：《冶金设备》2007年第6期69-71,共3页Metallurgical Equipment

摘　　要：通过对起重机工作特点及场所的说明,找出主梁下挠的原因及主梁下挠对起重机的危害,提出体外预应力张拉修复技术的原理及修复方案,解决了主梁下挠的问题。It analysed that the character and site of overhead crane,find out the reason of main-beam turn- down and the harm to the crane,put forward the principle of body-out pre-stress stretching repairing technology and repairing programe,solved the problem of main-beam turn down.

关 键 词：体外 预应力张力 修复 主梁下挠 分析及研究 

分 类 号：TH215[机械工程—机械制造及自动化]