Pay-off reel device of tubular strander

The utility model relates to the technical field of cables, in particular to a tubular strander pay-off reel device which comprises a bottom plate, rollers are arranged on two sides of the bottom end of the bottom plate, a mounting plate is arranged at the top end of the bottom plate, mounting frames are arranged on two sides of the top end of the mounting plate, a fixing shaft is arranged on one side of the top of each mounting frame, and an unwinding roller is arranged between the mounting frames. In the using process, firstly, when the unwinding roller is replaced, only a first motor needs to be started, the first motor drives a transmission rod, the transmission rod drives a threaded rod through a second bevel gear and a first bevel gear, the threaded rod rotates to drive a threaded pipe to ascend, so that a movable frame ascends and makes contact with a rotating rod, and at the moment, a second motor is started; the second motor drives the two-way screw to rotate, the two-way screw drives the moving bloc