The utility model relates to an it accomplishes steel wire operation's support device not occupy rig, including strutting arrangement and detachably set up down the last strutting arrangement of lower strutting arrangement upper end. Strutting arrangement includes first supporting mechanism and the second supporting mechanism that the horizontal spacing set up down, upward be equipped with the hanger plate on the strutting arrangement, the hanger plate is located top between first supporting mechanism and the second supporting mechanism, be equipped with two at least lewis holes that supply the steel wire to wear to establish on the hanger plate. The utility model discloses set up independent support device and supply steel wire operation, not only can install the steel wire riser under the condition that does not account for the rig, accomplish steel wire operation to effectual control operating risk improves the operating efficiency, reduces the operating risk.