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作 者:桂鹏千 田松亚[1] 杨柱 李晓波[1] GUI Pengqian TlAN Songya YANG Zhu LI Xiaobo(College of Mechanical and Electronic Engineering, Hohai University, Changzhou 213022, China)
出 处:《电焊机》2017年第9期34-38,共5页Electric Welding Machine
摘 要:膜式水冷壁广泛应用于锅炉工业中,但由于在其工作环境中高温烟气对水冷壁产生高温腐蚀及气流磨损,需要在水冷壁表面堆焊一层耐热、耐蚀材料。为了保证获得低稀释率的堆焊焊缝,采用立向下焊接工艺。设计了水冷壁自动堆焊设备,包括用于将水冷壁铅直固定的管排架和焊接平台所在的门架,门架顶部的电机带动装有焊接平台的横梁上下运动,完成从上往下的焊接操作,同时焊接平台在横梁电机驱动下作左右运动,完成水冷壁的整个表面堆焊。焊接前,通过焊接平台上的1个旋转电机和2个微调电机调整焊枪位姿;焊接过程中,传感器反馈焊枪距水冷壁左右、前后的距离,两个微调电机调整焊枪与水冷壁的距离,使焊枪始终跟踪所需的焊接位置。该设备使用8个电机来实现焊枪的多轴运动,需要构建驱动系统和控制系统。根据各机构机械运动的要求,采用SIZER软件配置驱动系统和控制系统,获得各电气元器件的型号和设备技术数据,为自动堆焊设备的研制打下基础。Membrane wall has been widely applied in boiler industry,but it is corroded and worn by the high temperature flue gas and the airflow in the working environment,so a layer of heat resistant and corrosion resistant material should be welded on the surface of the membrane walLIn order to ensure low dilution rate,vertical down welding is used. Automatic welding equipment is designed, including pipe racks for fixed membrane wall straight and the frame with the beam driven by the motors on the top of the frame to move from top to down. In the meantime,the wehting platform is driven by the motors on the beam to move from left to right,and then complete surfacing of the membrane wall.Befi^l~ welding,the welding torch gesture is adjusted by a rotating motor and two adjusting motors on the welding platform.In welding,the distance between the welding torch and the membrane wall is detected by sensors and adjusted by the two adjusting motors in order to track the welding position. The device uses eight motors to achieve multi-axis motion of the torch,which requires the construction of drive system and control system.According to the requirements of the mechanical nmvement, the SIZER software is used to configure the drive system and control system, technical data of all electrical components in the equipment are achieved,and foundation is laid for the production of the automatic welding equipment.
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