涡流位移传感器在外伸梁自动焊接控制中的应用

Application of eddy displacement sensor in box girder's automatic welding

通过对涡流式位移传感器的特性研究,采用以传感器输出特性曲线在一定区间内的拟合直线作为控制特性曲线、设定规定门限区和一定反向调节量的控制方法,得到了在保证一定的跟踪精度条件下的焊枪稳定。在此基础上设计并研制了具有高度和横向跟踪的两侧对称斜角自动焊设备,较好地满足了生产需求。

By studying the characteristics of the eddy displacement sensor, it adopts the control method which include using the fitting line of sensor＇s output characteristic curve in certain block as control characteristic curve, and stipulating door limit district and a certain of backward overshoot, the stabilization of welding torch is gained under the certain track precision. On this basis, a kind of symmetry bevel automatic welding equipment with vertical and horizontal Lraeking system is designed, which has met the production requirement well.