吊车梁下挠缺陷的修复技术

Repair Technology of Bending Defect for Crane Beam

吊车梁下挠是引发吊车安全事故的原因之一,采用拉杆预应力法和火焰加热法对不同吨位的吊车主梁下挠进行修复,在实际生产中取得较好的效果。

The bending of crane beam is one of the causes resulted in the accident of crane. Beams of different capacities are repaired with adopting the drawbar PC method and flame heating method. The result is good.