大型铸造起重机回转式龙门吊具轴断裂分析

Fracture analysis of load-bearing shaft of rotary gantry lifting attachment for large ladle crane

分析了200 t大型铸造起重机回转式龙门吊具承载吊叉轴的断裂原因,提出并实施了相应的改进措施,为同类起重机的设计、使用和维护提供参考。

The paper analyses reasons for fracture of load-bearing shaft of rotary gantry lifting attachment for the 200 t large ladle crane,and puts forward improvement measures,providing references for the same type crane design,use and maintenance.