井架立柱加强板的焊接裂纹分析及控制  

Analysis and Control of Crack in Reinforced Plate Welding Joint of Mast Main Beam

作　　者：李唐都 徐学利[1] 王建林[2] 刘宏亮[2] 孙娟[2] 

机构地区：[1]西安石油大学材料科学与工程学院,西安710065 [2]宝鸡石油机械有限责任公司,陕西宝鸡721002

出　　处：《石油矿场机械》2013年第12期87-90,共4页Oil Field Equipment

摘　　要：在K型井架制造和使用过程中,立柱加强板的焊接接头经常出现延迟裂纹。对裂纹进行分析,认为焊接接头的拘束应力是产生延迟裂纹的主要原因。通过在接头形式、焊接方法、焊接顺序、焊接规范以及焊前准备等方面采取措施,有效地避免了立柱加强板焊接接头中的延迟裂纹的产生,确保井架的使用安全。During manufacturing and using of the K type mast, delay crack was often found in the reinforced plate welding joint of main beam. By analyzing the reason of the crack, a conclusion was drawn that restraint stress was the main factor. So control measures have been adopted from joint shape,weld method, weld order, weld standard and pre-weld preparation, and good results have been achieved during the actual manufacture process.

关 键 词：K型井架 焊接 裂纹 分析 

分 类 号：TE923.06[石油与天然气工程—石油机械设备]