Underwater slip ring connecting device

The utility model provides an underwater slip ring connecting device. The underwater slip ring connecting device comprises a first underwater slip ring, a second underwater slip ring and a loose joint connecting section. The first end of the loose joint connecting section is connected with the second end of the underwater slip ring II; the first end of the second underwater sliding ring is connected with the first end of the first underwater sliding ring through a wire harness. The first steering plate is rotatably connected with the steering section, and the first end of the steering section is rotatably connected with the fixed seat; the first underwater sliding ring can rotate relative to the sliding ring assembly based on the first cylinder, and the second cylinder can rotate relative to the sliding ring assembly. The second underwater sliding ring can rotate relative to the sliding ring assembly based on the third cylinder, and the fourth cylinder can rotate relative to the sliding ring assembly. Therefo