Auxiliary positioning device for butt joint of arc-shaped steel beams

The utility model discloses an auxiliary positioning device for butt joint of arc-shaped steel beams, which comprises a supporting component, a positioning component and a positioning component, the supporting component comprises a horizontal plate, the horizontal plate is fixed at the bottom of a box beam, and one end of the horizontal plate extends out to support the arc-shaped steel beams to be butt-jointed; the adjusting assembly comprises a fixing plate fixed to the bottom of the horizontal plate and two limiting rods connected to the fixing plate in a sliding mode, and the two limiting rods are located on the left side and the right side of the horizontal plate correspondingly; and the driving part is used for driving the limiting rod to slide on the fixing plate. Compared with the prior art, the supporting assemblies are arranged to support the arc-shaped steel beams, so that splicing of the arc-shaped steel beams is more stable; the positions of the arc-shaped steel beams are adjusted by arranging the