Expanding tire machine is divided into two claws enlarge tire machine and four claws enlarge tire machine, commonly used for two claws enlarge tire machine. Mainly by the outside inside the frame, hook, hook, hoisting device and compressed air piping, etc. Two claw hook over before the cylinder of the rotation, also can be made with the piston rod shaft after the forward movement. Four claw within a hook can also as before with the hook of the rotating cylinder, and in the cylinder and the connecting rod under the action of radial shrinkage or expansion. When lifting device at the center of the tyres up to the frame position, and the internal and external hook hook, respectively, after the seam allowance on either side of the tire, through the hook of the forward and two bead is relatively open. Tire bead scope expanding tire machine for 13 ~ 22 in.

Local expansion is tire machine repair tyre inner cavity, will on both sides of the tire bead distance between local open with the equipment. Is made up of frame, cone roller, retractor and transmission device, etc. Operation, tire vertical on the two cone roller, when the motor drives the rack in the center screw upward vertical movement, the connecting rod and hook according to certain trajectory, so that the shaft on the local tire crown of cone roller will be jacked up, retractor seam allowance on either side of the hook on the tyres, respectively, and the two bead local relatively open. Local expansion tire machine is suitable for tyre specifications range to 6.00-16-12.00-22.