High-pressure sealing magnetic transmission device

The high-pressure sealing magnetic transmission device comprises a driving rotor assembly, a sealing isolation assembly and a driven rotor assembly, the sealing isolation assembly comprises an isolation sleeve and a centering assembly, a first sealing cavity is formed in the isolation sleeve in the axial direction, and the driven rotor assembly is arranged in the first sealing cavity; a containing groove is formed in the isolation sleeve in the circumferential direction, the containing groove is formed in the outer side of the first sealing cavity in a surrounding mode, a groove opening of the containing groove faces upwards, and the driving rotor assembly is arranged in the containing groove; the driving rotor assembly is connected with the input shaft in a sliding mode in the axial direction, the centering assembly is arranged on the outer side of the isolation sleeve in a sleeving mode and fixed to a rack, and the centering assembly can be locked or unlocked relative to the isolation sleeve. According to t