Auxiliary rotating device for pipeline welding

The utility model discloses an auxiliary rotating device for pipeline welding. The auxiliary rotating device comprises a clamping rotating piece. The clamping rotating piece comprises two clamping mechanisms, the two clamping mechanisms are movably assembled on the butt-welded and spliced pipeline, the clamping mechanisms are driven, and the clamping mechanisms drive the pipeline to rotate. The butt welding device has the advantages that butt welding joints of two spliced pipelines can be welded by rotating butt welding spliced pipelines, and the like. 本实用新型公开了一种管道焊接辅助旋转装置，包括夹持旋转件；所述夹持旋转件包括两个夹持机构，所述两个夹持机构活动拼装于对焊拼接的管道上，驱动所述夹持机构，所述夹持机构则带动管道转动。本实用新型具有能转动对焊拼接的管道，从而对两拼接管道的对焊口进行焊接等特点。