Non-bearing type vehicle body assembling and welding tool

The utility model relates to the technical field of automobile industry processing, and discloses a non-bearing type automobile body assembling and welding tool which comprises cross beams, first longitudinal beams are fixedly connected to the front sides and the rear sides of the middles of the multiple cross beams, second longitudinal beams are fixedly connected to the front sides and the rear sides of the multiple cross beams, and a plurality of third longitudinal beams are fixedly connected to the bottom ends of the two second longitudinal beams. The bottoms of the two third longitudinal beams are fixedly connected with first positioning reinforcing beams, and the right sides of the top ends of the first positioning reinforcing beams are fixedly connected with first reinforcing beams. According to the tool, it is guaranteed that the tool can be tightly attached to the characteristic part of the protective type vehicle body, meanwhile, the vehicle body can be accurately positioned in the longitudinal direc