Steel pipe conveying line

The utility model belongs to the technical field of conveying equipment in an automatic steel pipe machining system, and particularly relates to a steel pipe conveying line. The conveying lines are arranged in parallel, the adjacent conveying lines or the conveying lines and the adjacent steel pipe receiving devices are partially arranged in parallel, and the parallel sections of the conveying lines are provided with steel pipe line changing devices. The conveying line comprises a support, a V-shaped groove is formed in the top of the support, a notch is formed in the bottom of the V-shaped groove, carrier rollers arranged on the support at intervals are exposed out of the notch, and each carrier roller is connected with a torque input element. A plurality of broken parts are distributed in the V-shaped groove in the length direction, pipe shifting claws are arranged at the broken parts, the pipe shifting claws on the same conveying line are divided into one group or a plurality of groups, and the pipe shifti