Device for monitoring deformation of gas pipeline interface

The utility model discloses a device for monitoring the deformation of a gas pipeline interface, which comprises two symmetrically arranged mounting rings, the two mounting rings are both semicircular, an interface body is arranged between the two mounting rings, the two ends of the interface body are both provided with pipelines, and the two ends of the interface body are respectively provided with a gas pipeline. A plurality of contact wheels which are arranged in the circumferential direction are arranged in the two mounting rings, the contact wheels make contact with the outer wall of the interface body, cavities are formed in the two mounting rings, and a plurality of connecting mechanisms used for connecting the contact wheels are arranged on the cavities and the inner walls of the mounting rings; and a plurality of moving mechanisms for moving the connecting mechanism are arranged on the two inner walls of the cavity. According to the utility model, the plurality of contact wheels are arranged to be in