Accurate positioning and anti-deformation device for H-shaped steel beam end plate welding

The utility model discloses an accurate positioning and anti-deformation device for welding an H-shaped steel beam end plate, which comprises a supporting platform and an adjusting and fixing device,the supporting platform is used for placing H-shaped steel, and the adjusting and fixing device is used for adjusting the longitudinal position and the horizontal position of the end plate. The adjusting and fixing device comprises a lifting platform, a longitudinal fine adjustment device and a horizontal adjustment device, the horizontal adjustment device is arranged on the top of the lifting platform, and the longitudinal fine adjustment device is fixed to the horizontal adjustment device. According to the utility model, the end plates and the H-shaped steel can be accurately positioned, deviation between an actual node form and a designed node form is avoided, and the stress performance of an actual component is ensured; and the temporary rigidity before welding can be improved, and thephenomenon of end plate w