造船门式起重机主梁合拢工装

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0引言随着国家船舶和海工业的快速发展,对起重机的起重能力、跨度等提出越来越高的要求。当门式起重机跨度较大时,主梁长度较长,给运输带来了困难,此时需将主梁进行分段,再到现场进行组装。主梁现场组装后需要进行合拢缝的焊接、NDT检测、涂装等工作。因此,主梁现场合拢的合理施工直接影响着起重机的制作周期和成本。
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