Coal-rock mass fracture self-repairing device

The utility model relates to a coal and rock mass fracture self-repairing device, which can effectively solve the problem of generation of coal and rock mass fractures, and adopts the technical scheme that the coal and rock mass fracture self-repairing device comprises a control device and a gas-liquid device, the control device comprises a bracket, a plugging liquid tank, a display screen, a nitrogen tank and a controller, and the plugging liquid tank and the nitrogen tank are arranged on the bracket; the plugging liquid tank is connected with the controller through a first pipeline, the nitrogen tank is connected with the controller through a second pipeline, the controller is connected with the display screen, the gas-liquid device is composed of a gas-liquid separation switch, a gas-liquid separation switch pipeline and a gas-liquid coexisting grouting pipeline, the gas-liquid separation switch comprises a positive and negative steering engine, a transmission shaft and a fixing frame, the positive and neg