桥式起重机主梁下挠的矫正

Adjustment of the transfers member bend of overhead travelling crane

介绍了桥式起重机主梁下挠的产生原因,对几种下挠矫正方法进行了对比,并详细叙述了1998年3月对2#桥式起重机主梁下挠矫正的过程,分析了通过矫正所取得的技术经济效果。

This thesis introduces a cause of overhead travelling crane's transfers member bending, comparing several processes of straighten it. And describe in details the way that a overhead travelling crane been straightened on march 1998. And conduct a investigation into the effectiveness of technical and eeonomical through the straighten.