Interlayer cable pay-off rack for subway power supply system

The utility model discloses an interlayer cable pay-off rack for a subway power supply system, which belongs to the technical field of power construction and comprises a rotating part, a pay-off rack and a pay-off rack body. The supporting part is arranged below the rotating part, movably connected with the rotating part and used for supporting the rotating part and the cable; the rotating part comprises a connecting shaft and a sleeve arranged on the periphery of the connecting shaft in a sleeving mode. The supporting part comprises a base and a cable tray arranged on the base; a through hole is formed in the center of the cable tray, a first bearing is fixed in the through hole, and an inner ring of the first bearing is connected with one end of the connecting shaft. The cable pay-off rack solves the technical problems that a pay-off reel is complex in structure and large in size, and a cable is prone to twisting and knotting after paying off, and achieves the technical effects that the cable pay-off rack i