The utility model belongs to the technical field of mechanical equipment and a small -size takeover assembly welding construction installation equipment is disclosed, include base, production workstation, initiatively go out the holding strip and coil and driven holding strip dish, base one end is equipped with the dress ring, the base top is passed through the bolt and is connected with the cylinder, bolt and production workstation connection of after section are passed through to cylinder one end, the production workstation other end passes through the lead screw, the slider is connected with driven holding strip dish, cylinder one end is passed through the bolt and is connected with the bearing frame, the bearing frame top is equipped with the slider to the clamp plate, the slider is equipped with the bearing clamp plate to the clamp plate top. The utility model discloses can be fast accurate location, the design has been confirmed to the effectual stability of guaranteeing the frock, practicality rationality with economic relief product quality requirement and this takeover assembly welding construction installation equipment be a high efficiency, safe and reliable, practicality, flexibility and the assembly welding frock that is used for guaranteeing weld quality and product design structure.