Hole sealing device and kit for downlink pressure measuring drill hole and using method of hole sealing device

The invention relates to a hole sealing device and kit for a downlink pressure measuring drill hole and a using method of the hole sealing device, and belongs to the technical field of coal mine safety. The hole sealing device comprises a pressure measuring pipe, a pressing disc and a chuck, wherein the pressure measuring pipe is arranged in the direction of a connecting line between the pressingdisc and the chuck, the pressing disc is fixedly arranged on the pressure measuring pipe, a retaining clamping foot is arranged on the chuck, and an air bag and a hole sealing material bag are arranged between the pressing disc and the chuck. The hole sealing kit comprises the hole sealing device and further comprises a mechanical driving unit, wherein the mechanical driving unit drives the pressure measuring pipe to move in the extending direction of the pressure measuring pipe. The using method provides the hole sealing device and comprises the following steps that the hole sealing device isplaced in the drill hole;