Welding working platform for steel structure

The utility model relates to the technical field of working platforms, and discloses a welding working platform for a steel structure, which comprises a working platform main body, the upper end of the working platform main body is provided with a placing plate, and the upper end of the working platform main body is provided with a limiting chute. The placing plate is arranged at the upper end of the workbench body, the limiting sliding groove is formed in the upper end of the workbench body, and the limiting sliding block matched with the limiting sliding groove is fixedly connected to the lower end of the placing plate, so that the placing plate is replaceable, and the placing plate is convenient to replace when being damaged after being used for a long time; the arc-shaped inserting rods are arranged in the mounting cavity of the workbench body in a penetrating mode, the arc-shaped inserting rods are fixedly sleeved with the connecting springs, the other ends of the connecting springs are fixedly connected