Automatic welding device for municipal road and bridge pile foundation cage stirrups

The utility model discloses a municipal road and bridge pile foundation cage stirrup automatic welding device, and relates to the technical field of pile foundation cage stirrup welding, the municipal road and bridge pile foundation cage stirrup automatic welding device comprises a seam welder body, reinforcement cages are uniformly distributed on the inner side of the seam welder body, a fixing rod is installed at the bottom end of the seam welder body, and the outer side of the fixing rod is sleeved with a sliding sleeve; the longitudinal section of the sliding sleeve is of a U-shaped structure, and the top end of the sliding sleeve is connected with a supporting rod. According to the steel reinforcement cage and reinforcing rib welding point cooling device, the fixing rod and the draught fan are arranged so that air can be blown to a steel reinforcement cage and reinforcing rib welding point, the cooling speed of the welding point can be increased, and therefore the waiting time of workers can be effective