Transmitting device suitable for various specifications of gears

The utility model discloses a transmitting device suitable for various specifications of gears. The transmitting device comprises a clamping clip for clamping two sides of a flange of a gear, a transverse moving member for driving the clamping clip to transversely move, and a telescopic member for connecting the clamping clip with the transverse moving member, wherein the clamping clip comprises clamping plates for clamping clamping teeth of the gear, a hinge for connecting the clamping clip with the telescopic member, and a telescopic rod assembly for connecting the hinge with a carrying part; the telescopic rod assembly comprises inner pipes fixed on the clamping plates and provided with through holes, outer pipes which sleeve the inner pipes and are connected to the hinge, a plurality of positioning holes formed in the outer pipes, and lead screws passing through the through holes and the positioning holes. The transmitting device is provided with a telescopic rod which can be used for controlling a distance between the hinge and the carrying part, so that gears are wide in specifications, and the transmitting device is suitable for all gears regardless of diameters; meanwhile, the transmitting device can be used for sending the gear to a position of a machining tool accurately, is automatic in the whole process, has a labor-saving effect and is high in efficiency.