Rotary controllable pay-off rack

The utility model discloses a pay-off rack with controllable rotation. Support plate, wherein the hydraulic cylinder and the controller are arranged on the supporting plate. The friction block is arranged on an output shaft of the hydraulic cylinder; the lower cover plate is arranged above the supporting plate; the upper cover plate is connected with the lower cover plate through a connecting shaft; one end of the fixed cylinder is connected with the lower cover plate through a bearing, and the other end penetrates through the upper cover plate and is detachably connected with the upper coverplate; the supporting part is arranged in the fixed cylinder; wherein the friction rings are arranged at the two ends of the fixing cylinder, the fixing shaft is arranged on the supporting plate, thesupporting rod is arranged above the fixing shaft, the second limiting wheel and the first limiting wheel are movably installed on the supporting rod, the detection component is used for detecting whether paying off is finishe