Profiling welding clamp multipoint welding mechanism for multifunctional commercial vehicle body floor assembly

The utility model discloses a profiling welding clamp multipoint welding mechanism for multifunctional commercial vehicle body floor assembly, which comprises a floor assembly fixture, a trolley and a support device; a trolley limit device is arranged on the floor assembly fixture; a slide rail is arranged on the trolley along the transverse direction; a slide rail, a profiling welding clamp and an operating lever are arranged on the support device along the transverse direction. The utility model has the advantages that no plug welding hole CO2 is punched for plug welding connection so that the vehicle body welding accuracy is improved; the welding process is simplified; the production rhythm is improved and the multipoint welding with one profiling welding clamp is realized. When in use, parts of the floor assembly are positioned and pressed tightly on the floor assembly fixture; the trolley is ensured to be in the correct position through the limit device; the operating lever is adopted to push the profili