Tool for assembling reformer tube fitting

The utility model relates to a tool for assembling reformer tube fittings. Comprising a positioning wooden plug (1), a three-section type telescopic rod, a fastening bolt (3), an arc-shaped top plate (4), a ruler lock (7) and a supporting leg (8), the positioning wooden plug (1) is connected with the top of the telescopic rod in an inserted mode, and the arc-shaped top plate (4) is arranged on the telescopic rod and used for marking the assembly height of a pipe fitting. The ruler lock (7) is arranged at the bottom of the outer-layer rod section (6), the supporting leg (8) is rotatably arranged on the outer-layer rod section (6), a locking bolt is arranged at the side part of the supporting leg (8), and the locking bolt penetrates through an arc-shaped groove of the ruler lock (7) and is used for fastening the supporting leg (8) at a fixed angle. According to the device, the straightness and the uniform height of pipe fitting assembly are effectively improved, the working efficiency is effectively improved, a