Pipeline bus, and corrugated pipe expansion joint for pipeline bus

The invention relates to a pipeline bus, and a corrugated pipe expansion joint for the pipeline bus. The pipeline bus comprises two bus cylinders which are arranged at an interval in the left-right direction, and the opposite ends of the two bus cylinders are provided with connecting flanges. The corrugated pipe expansion joint comprises: a corrugated pipe body, wherein a fixed end flange is arranged at the right end of the corrugated pipe body, and a movable end flange is arranged at the left end of the corrugated pipe body; at least two adjusting rods, wherein each adjusting rod extends in the left-right direction, the left end of each adjusting rod and the movable end flange are assembled in a sliding mode in the left-right direction, the right end of each adjusting rod and the static end flange are fixedly assembled, in the circumferential direction of the corrugated pipe body, any two adjacent nut structures are in transmission connection through a synchronous transmission structure so as to achieve sync