液压驱动水下摩擦焊机研制  

Development of hydraulic driven underwater friction welding machine

作　　者：曹军[1] 杨帆[1] 黄江中[1] 周灿丰[2] 焦向东[2] 高辉[2] 郭丽峰[2] 

机构地区：[1]海洋石油工程股份有限公司,天津市300451 [2]北京石油化工学院能源工程先进连接技术北京市高等学校工程研究中心,102617

出　　处：《焊接》2014年第8期44-48,2-3,共5页Welding & Joining

基　　金：国家高技术研究发展计划(863计划)资助项目(2011AA090302);国家自然科学基金资助项目(51109005);北京市自然科学基金资助项目(3122016);北京市教育委员会科技计划资助项目(KM201310017007)

摘　　要：针对水下结构物维修的需要,研制了液压驱动水下摩擦焊机。该摩擦焊机的主要特点是:主轴结构设计合理,能够满足高速重载运转的需要;主轴材料选择与密封设计,使得主轴可以长期应用于水下;主轴内部安装了转速传感器和磁致伸缩式位移传感器,能够很好地实现主轴转速和主轴位移测量;控制系统成功地实现了主轴转速、主轴进给速度和压力等焊接参数的自动控制,自动焊接程序可以根据塞棒烧损长度设置合适的焊接参数组合。试验表明,液压驱动水下摩擦焊机可以完成水下摩擦焊接,焊接接头强度超过母材强度的80%,对于海洋平台结构物的水下维修、牺牲阳极更换接线螺柱安装等具有较好的应用前景。A hydraulic driven underwater friction welding machine was developed according to requirement of underwater structure repairing.The friction welding machine has a series of features such as reasonable structure design to satisfy high speed and large load application,material selection and sealing design to be able to used in water,rotation speed sensor and magneto strictive sensor to measure rotation speed and displacement of the friction welding spindle accurately,automatic control of rotation speed,displacement and pressures,and automatic welding procedure to select welding parameters according to stud burn- off distance.Underwater friction welding test is successfully carried out and the joint can reach up to above 80% tensile strength of base metal,which shows a bright future for underwater repairing application of platform structure and underwater replacement of sacrificed anode.

关 键 词：液压驱动水下摩擦焊机 摩擦焊接主轴 自动焊接程序 水下摩擦焊试验 

分 类 号：TP333.35[自动化与计算机技术—计算机系统结构]