Modularized multi-loop high-pressure cooling slip ring

The invention discloses a modular multi-loop high-pressure cooling slip ring which comprises a mandrel, a bearing assembly and an outer ring stator assembly, and the outer ring stator assembly is rotatably arranged on the mandrel in a sleeving mode through the bearing assembly. A plurality of oil duct pipelines which are not communicated with one another are arranged in the core shaft, and a plurality of oil outlets communicated with the oil duct pipelines are formed in the outer surface of the core shaft; a plurality of hydraulic oil way annular grooves are formed in the outer ring stator assembly in the circumferential direction, oil inlets communicating with the hydraulic oil way annular grooves are formed in the outer side of the outer ring stator assembly, and the ends, away from the oil inlets, of the hydraulic oil way annular grooves communicate with the oil outlets in the mandrel; a plurality of coolant ring grooves are formed in the outer ring stator assembly in the circumferential direction, through