The invention relates to a three-wheel combined type antiskid tire which comprises a rotary shaft. A support, a main gear and a clutch disc are arranged on the rotary shaft; three connecting shafts are uniformly distributed and connected between the support and the clutch disc; the clutch disc is in sliding fit to the connecting shafts; a sub gear and a wheel are arranged on each connecting shaft;the sub gears mesh with the main gear and are fixed with the wheels; the wheels and the connecting shafts are in running fit; an installation groove is formed in the clutch disc; a spring and a firstplane billiard bearing are arranged in the installation groove; the spring contacts one side of the first plane billiard bearing; the other side of the first plane billiard bearing contacts the maingear; a second plane billiard bearing and a rotary plate are arranged on the rotary shaft on the outer wall of the clutch disc; one side of the second plane billiard bearing contacts the clutch disc;the other side of the second plane billiard bearing is matched with a frame in a limiting way through a limiting device; a right arc-shaped clutch bevel cutter is arranged on the other side of the second plane billiard bearing; and a left arc-shaped clutch bevel cutter is arranged on a rotary plate and is matched with the right arc-shaped clutch bevel cutter.