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中厚板大刚度密集焊缝结构的高水头深孔弧形工作闸门的焊接,是闸门制造中的关键之一。黄河龙羊峡水电站泄洪底孔偏心铰弧形工作闸门是国内首先设计制造的新型弧门。本文在试验和分析的基础上,制订了一套较为合理的组装、焊接工艺方案,并实现了对弧门的门叶结构焊接变形和焊缝质量的控制。
The welding of the high-head deep-hole arc work gate in the heavy-duty medium and large-rigidity welded seam structure is one of the key points in the gate manufacture. Yellow River Longyangxia Hydropower Station flood discharge bottom hole eccentric hinge arc work gate is the first design and manufacture of a new type of arc door. Based on the test and analysis, a set of more reasonable assembly and welding process scheme is developed, and the control of the welding deformation and weld quality of the door leaf structure of the arc door is realized.