Welding-line deviation prevention device of butt welded tube

摘要: The invention relates to a welding seam anti-deflection device for straight welded pipe. is characterized in that slide blocks are arranged both ends of the top face base, lower parts two provided with manual block opening-closing mechanisms; insides opposite side faces upper worm wheel-and-worm gear drive twisting roll mechanism consisting wheel, gear, hand shaft, and seat; inside seat an opening on one shaft roll, seat, which opening, connected end wheel other inserted blocks; segment sleeved fixing sleeves, between sleeves fixedly meshed wheel; extended out blocks, rotated by hands realize rotation driven seat. has advantages reasonable design, compact structure, high production efficiency, low cost, safe operation, convenient use like.