The utility model relates to the technical field of
welding equipment parts, in particular to a
wind power generation
tower barrel section
welding auxiliary device which comprises an extension rod, the extension rod is in a hollow state, the extension rod is of a relative rotation structure, the extension rod is fixedly connected with a plurality of sets of fixing bases, and one end of each fixing base is fixedly connected with an adaptive
assembly. A plurality of sets of supporting arms are rotationally connected to the fixing base, connecting arms are rotationally connected to the supporting arms, and a
polishing assembly is fixedly connected to one end of each connecting arm; the adaptive
assembly is used for adjusting the position of the fixed seat to adapt to power generation
tower shell rings with different sizes; the
polishing assembly is used for cleaning and
polishing the inner wall of the power generation
tower shell ring, after the device is installed in place, the polishing assembly can be started to clean and polish the inner wall of the power generation tower shell ring, it is guaranteed that the surface of the inner wall is smooth, and good working conditions are provided for follow-up
welding operation. Compared with the prior art, the welding efficiency and the welding quality are improved, and safe and reliable operation of the power generation tower shell ring is guaranteed.