Steel structure truss welding device

The invention relates to the technical field of truss welding, in particular to a steel structure truss welding device which comprises a truss welding platform fixedly provided with clamping and fixing equipment and further comprises a welding moving frame slidably installed on the truss welding platform. A lifting support plate is fixedly mounted on the welding moving frame; the welding monitoring mechanism is connected with the lifting supporting plate and located above the truss welding platform, and the welding monitoring mechanism comprises a welding lifting assembly, a web member monitoring assembly and a welding detection control roller; according to the welding device for the steel structure truss, it can be guaranteed that welding seams with the corresponding lengths are accurately welded, the situation that welding is conducted in advance or delayed is avoided, meanwhile, the welding speed can be monitored in real time, and the welding quality and effect are guaranteed. 本发明涉及桁架焊接技术领域，具体是一种钢结构桁架焊接装置，