Continuous welding device for beam column type bridge guardrail stand column

The invention discloses a continuous welding device for beam-column type bridge guardrail stand columns, and belongs to the technical field of welding equipment for bridge guardrail stand columns. The continuous welding device comprises a workbench, supports are fixedly connected to the periphery of the bottom end of the workbench, positioning plates are fixedly installed on the two sides of the upper surface of the workbench, and a supporting plate is fixedly connected to the outer side wall of the workbench; an air cylinder is installed at the top end of the supporting plate, a die casting is installed at the bottom end of the supporting plate, a transverse rod is fixedly connected to the inner side wall of the supporting plate, and a sliding motor is slidably connected to the top end of the transverse rod; the welding device is novel in design, capable of preventing sparks from splashing in the welding process, safe and reliable, capable of discharging waste gas generated in the welding process, high in en