Repair device for rotary connector and pipeline connection box of full-fracture-surface tunnel boring machine

A repair device for a rotary connector and a pipeline connection box of a full-fracture-surface tunnel boring machine applied in the field of full-fracture-surface tunnel boring machines comprises a first positioning barrel, sliding sleeves, a first fixing ring, press rings, a second fixing ring and a second positioning barrel. The first fixing ring and the second fixing ring which play a role in positioning the center are installed on a main driver through reamed holes and bolts, the sliding sleeves are installed on the first fixing ring and the second fixing ring through the press rings and socket screws, and the first positioning barrel and the second positioning barrel which play a role in relocating the rotating center of a fixing plate penetrate through the sliding sleeves to be connected with the fixing plate of the pipeline connection box. The repair device is small in structural size and high in sealing performance, abrasion resistance and long in service life, will not cause the drift phenomenon of