Current-collecting ring

The utility model discloses a current-collecting ring. The key points of the technical scheme is that: the current-collecting ring comprises a plurality of electric rings, a sleeve and electric poles, wherein the sleeve is located in the center of the electric rings and penetrates the entire current-collecting ring, upper and lower ends of each electric ring are provided with spaced railings, and the electric poles respectively penetrates the electric rings and the spaced railings; and the current-collecting ring is characterized in that upper and lower ends of the spaced railings are provided with wind producing rings, upper and lower end surfaces of the wind producing rings are respectively attached to the spaced railings and the electric rings, each wind producing ring comprises a plurality of first wind producing blocks which are evenly arranged around each wind producing ring, and the outer end surface of each first wind producing block is an arc surface protruding outwardly. The current-collecting ring