Heat supply pipeline construction device

The invention provides a heat supply pipeline construction device which comprises two cross beams arranged in parallel, connecting blocks are integrally arranged at the two ends of the lower portion of each cross beam, a pneumatic supporting assembly is installed at one end of each cross beam, single-side moving pipe clamping base assemblies are arranged on the front side and the rear side between the two cross beams, and each pneumatic supporting assembly comprises a supporting column. An air cylinder is arranged on one side of the supporting column, the single-side moving pipe clamping base assembly comprises a U-shaped steel frame, and a partition block is integrally arranged in the U-shaped steel frame. According to the construction device, the motor is connected with an external power source, the motor drives the lead screw to rotate, so that the sliding block and the movable pipe clamping base move, a pipeline is fixed through the movable pipe clamping base and the fixed pipe clamping base, after the pi