Adjustable installing, welding and positioning device for reinforcing ribs of box girder plate unit

The utility model relates to the field of auxiliary devices for welding steel box girders, in particular to a box girder plate unit reinforced rib adjustable installing, welding and positioning device which comprises a bottom bearing assembly, a first transverse rail, a second transverse rail, a transverse driving assembly, a movable bearing vehicle, a vertical driving assembly and a welding head bearing assembly. The box girder plate unit reinforced rib adjustable installing, welding and positioning device is scientific in overall structural design, and has the following technical characteristics and advantages in specific use: the structural composition is simple, and the installation is convenient; and the moving displacement control precision is high, the welding position is accurate, the labor intensity of operators is reduced, and the welding operation efficiency of the welding gun is improved. 本实用新型涉及钢箱梁焊接用辅助装置领域，尤其是涉及一种箱梁板单元加筋肋可调节组焊定位装置，包括，底部承载合件、第一横轨、第二横轨、横向驱动组件、移动承载车、竖向驱动组件及焊头承载合件，所述的底部承载合件铺设在水平地面上，