Supporting frame for municipal pipeline installation

The utility model relates to a municipal pipeline installation supporting frame which comprises a fixed base, a rectangular plate is fixedly arranged in the middle of the top end of the fixed base, the top end of the rectangular plate is sleeved with a rectangular sleeve block, a supporting plate is fixedly installed on the vertical outer wall of the rectangular sleeve block, a sliding groove is formed in the top end of the supporting plate, and two sliding blocks are slidably connected into the sliding groove; arc-shaped limiting blocks are fixedly installed at the top ends of the two sliding blocks, the positions of the two arc-shaped limiting blocks are aligned, right-hand and left-hand threaded rods are rotationally connected to the groove walls of the two sides of the sliding grooves, the two ends of the right-hand and left-hand threaded rods are in threaded connection with the middles of the corresponding sliding blocks, and first bevel gears are fixedly installed at the ends, away from the rectangular