Metal roof assembly type supporting stand column threaded connection

The utility model provides a metal roof assembly type supporting stand column threaded connection, which comprises a main body operation assembly and a branch operation assembly, the branch operation assembly is arranged on the outer side wall of the main body operation assembly, and the main body operation assembly comprises a purline, a lower supporting column, an upper supporting column, an external thread, an internal thread, a rock wool plate and a connecting circular plate. A lower supporting column is welded to the upper surface of the purline, an external thread is arranged on the outer side wall of the lower supporting column, an upper supporting column is in threaded connection with the outer side wall of the lower supporting column through the external thread, and an internal thread is arranged on the inner side wall of the upper supporting column, so that the construction period is more controllable, and the production efficiency is far higher than that of manual operation; errors of a fabricated