Novel hole sealing device

The utility model belongs to the technical field of hole sealing equipment, and particularly relates to a novel hole sealing device which comprises a plugging pipe, the two ends of the plugging pipe are a sealed end and an open end respectively, a sealing rubber plug is fixedly connected to the peripheral wall of the plugging pipe, and the outer diameter of the sealing rubber plug is gradually increased in the direction from the sealed end to the open end of the plugging pipe. A partition plate and an abutting assembly are arranged in the plugging pipe, the partition plate is fixedly connected with the inner wall of the plugging pipe, an adjusting rod is in threaded connection with the partition plate, and a conical part and a threaded part in threaded connection with the partition plate are arranged on the adjusting rod; the abutting assembly comprises a plurality of abutting rods, a plurality of radial sliding grooves allowing the abutting rods to slide are formed in the pipe wall of the plugging pipe, one