Self-powered water-blocking yarn stranding device

The utility model relates to a self-powered water-blocking yarn stranding device. The device comprises water-blocking yarn lapping heads, a support rod, power transmission chains, a speed reducer and an electric motor, wherein the number of the water-blocking yarn lapping heads is three, and each is connected with the end part of the support rod; and the number of the power transmission chains is two, and is the two are respectively connected between the support rod and the speed reducer and between the speed reducer and the electric motor. Compared with the prior art, the self-powered water-blocking yarn stranding device has the beneficial effects that water-blocking yarns can be uniformly and tightly wound on the conductor, the adding quantity of the water-blocking yarns can be reduced, and the device has a simple structure and a wide application range.