The utility model relates to the field of machinary. Three -dimensional rotary device with reeving system is prevented to two -stage circuit, including three -dimensional rotary device main part, three -dimensional rotary device main part includes first rotating member, second rotating member, the outer wall of second rotating member is connected to the inner wall of first rotating member through the pivot, a gear motor is connected to first rotating member, is equipped with drive second rotating member on the second rotating member for first the 2nd gear motor of rotating member pivoted, a gear motor is equipped with the first electrical slip ring of leading with the junction of first rotating member, and the junction of first rotating member and second rotating member is equipped with the second and leads electrical slip ring, and it is the center pin sliding ring that the first electrical slip ring of leading leads electrical slip ring with the second. The utility model discloses a rotation of first rotating member and second rotating member realizes three -dimensional rotation, through the rotatory circumstances of a gear motor and the 2nd gear motor first rotating member of realization single?control and second rotating member, chooses to the center pin sliding ring through the sliding ring, prevents the circuit winding.