摘要
通过对起重机工作特点及场所的说明,分析了门式起重机主梁下挠原因,阐述主梁下挠对起重机使用性能的影响因素,提出了主梁下挠处理技术,解决了主梁下挠的问题。
The reason for girder downwarping of gantry crane is analyzed in this article via its operational site and environ- mental features, and the impact factor to service performance of gantry crane is expounded, the processing technique is put forward to settle this roblem.
出处
《甘肃冶金》
2013年第1期51-53,共3页
Gansu Metallurgy
关键词
门式起重机
主梁
下挠
处理技术
预应力矫正
gantry crane
girder
downwarping
processing technique
preload stress remedy