Collector ring assembly for ship

The invention discloses a collector ring assembly for a ship. The collector ring assembly comprises a power supply box, a power output device and a signal output device, wherein the power output device comprises an iron disk, a lower end cover arranged above the iron disk, a connecting plate which is fixedly connected with the lower end cover by means of a first insulating tube, and a power output assembly; the power output assembly comprises copper slip rings and a slip ring fixing plate; the copper slip rings are vertically arranged between the slip ring fixing plate and the connecting plate by means of the first insulating tube; a copper brush yoke is fixedly arranged on the first insulating tube and is connected with the copper slip rings through leads; a carbon brush is fixedly arranged on the copper brush yoke; the signal output device comprises a steel roller, an upper end cover and a signal output assembly; the signal output assembly is a conducting slip ring; an upper shaft head of the conducting sli