The invention provides a pipeline conveying car. The pipeline conveying car comprises a car body, a controlling room is disposed on the upper portion of the car body, wheels are disposed at the bottom of the car body, a support is disposed on one side of the car body, retractable rods are disposed on the lower portion of the support, at least two retractable rods are arranged on the support, spherical rotating shafts are mounted at bottoms of the retractable rods, transverse rods are mounted on the spherical rotating shafts, sides of the transverse rods are movably connected with the spherical rotating shafts, other sides of the transverse rods are connected with vertical rods, two groups of combined bodies of the transverse rods and the vertical rods are designed, the two groups of combined bodies are symmetrical with the retractable rods as axes, and connecting portions of the two groups of combined bodies are fixed through bolts. The pipeline conveying car has the advantages that the structure is simple, the usage is convenient, pipelines can be kept smooth and steady during pipeline conveying, and the conveying efficiency is high.