Municipal engineering drainage pipeline opening device

The utility model discloses a municipal engineering drainage pipeline opening device which comprises a base, a square groove B is formed in the base, a supporting seat and a filter plate are installed in the square groove B, a buffer plate is installed on the upper surface of the supporting seat, the filter plate is installed on the upper surface of the buffer plate, and reinforcing ribs are installed on the inner wall of the supporting seat. Cushion blocks are installed on the upper surfaces of the reinforcing ribs and located on the lower surface of the filter plate, clamping grooves are formed in the two sides of the upper surface of the base, connecting rods are installed on the two sides of the outer wall of the filter plate, fixing plates are installed at the other ends of the connecting rods, and the filter plate is in clearance connection with the clamping grooves in the upper surface of the base through the connecting rods on the outer wall. Threaded holes are formed in one side of the outer wall of