摘要
介绍了卸船机大平衡梁和中平衡梁钢结构大面积开裂的情况,制定了裂纹修复前的跟踪管理措施,分析了开裂成因并制定了裂纹修复方案,对平衡梁裂纹修复前的顶升和修复后的加固方案进行设计和计算。
This paper introduces the large-area cracking of steel structure of large and middle balance beams of the ship unloader,establishes the track and management measures before crack repair,analyzes causes and prepares the crack repair plan to design and calculate the jacking before crack repair of balance beam and reinforcement scheme after repair.
出处
《起重运输机械》
2015年第7期103-108,共6页
Hoisting and Conveying Machinery
关键词
抓斗卸船机
平衡梁
裂纹
顶升
焊接
加强板
grab ship-unloader
balance beam
crack
jacking
welding
reinforcing plate
