Auxiliary tool for plugging air bag during detection and repair of drainage pipe network

The utility model belongs to the technical field of drainage pipe network repair, and discloses an auxiliary tool for air bag plugging during drainage pipe network detection and repair, which comprises a base station, a drainage pipe is fixedly mounted in the base station, a fixing rod is fixedly connected to one side of a moving mechanism, a rotating mechanism is arranged at the right end of the fixing rod, and a second plugging mechanism is arranged on the rotating mechanism. A servo motor rotates to drive a lead screw to rotate, the lead screw rotates to enable a moving plate to do linear reciprocating motion, the moving plate moves to drive an air bag to move in the direction of a drainage pipe, the air bag moves to enter the drainage pipe, an air source is started, and the air bag is inflated through an air inlet pipe and a connecting pipe; therefore, the air bag is bulged to be in close contact with the inner wall of the drainage pipe, primary plugging is achieved, the end opening of the drainage pipe i