Interconnecting pipeline connecting structure for maintenance gas mother pipe and compressed air mother pipe

The utility model provides an interconnection pipeline connecting structure for an overhaul gas mother pipe and a compressed air mother pipe, and belongs to the technical field of high-pressure pipeline connection. Comprising a compressed air mother pipe and a maintenance gas mother pipe, flange plates are fixedly connected to the compressed air mother pipe and the maintenance gas mother pipe, a sealing assembly is arranged between the pair of flange plates, and the pair of flange plates are fixedly connected through a plurality of bolts and nuts. According to the utility model, the reinforcing assembly is arranged to reinforce the joint of the compressed air mother pipe and the maintenance gas mother pipe, so that the bending strength and the torsional strength of the joint are improved, and the vibration of the compressed air mother pipe and the maintenance gas mother pipe when the compressed air is conveyed and the stress concentration at the joint caused by the installation position factor of the maintena