Described is a shielding installation device in large tires and a shielding installation method in large tires. The device comprises a shaft, a reducer, a motor, a base, and a frame. The shielding installation method comprises different sequential steps, configured for installation of shielding on the thread of a large tire. The device and method of use of this device can allow a safe and practical installation of shielding in large vehicles, solving the serious safety problem related to traditional techniques of installation of this element.