The utility model relates to a tool used in power line construction of power transmission and transformation, in particular to a seven-wheel paying-off tackle. The seven-wheel paying-off tackle comprises a triangular connecting plate, wherein two angle ends of the triangular connecting plate are respectively connected with a stripy bracket; a wheel shaft is arranged under the triangular connecting plate; the two ends of the wheel shaft are respectively fixed at the middle parts of the two brackets; the wheel shaft between the two brackets are provided with seven pulleys in parallel; and the outer edge of each pulley is provided with a round wheel groove. The seven-wheel paying-off tackle can be matched with a traction traveling plate so as to enable the traction traveling plate to pass through the seven-wheel paying-off tackle smoothly and further guarantee the paying-off safety, and has the advantages of simple structure and easiness in implementation.