Strengthening and assistant device for vibration damper of motor tricycle

The utility model discloses a strengthening and assistant device for a vibration damper of a motor tricycle, which is composed of a fork type upper bracket and a fork type guide sleeve device matched with the fork type upper bracket, and the fork type upper bracket and the fork type guide sleeve device are sheathed into integration; a compression spring is sheathed between the two devices; the lower part of the whole device is arranged on a front wheel spindle; the upper part is arranged on a piston rod of a main vibration damper and between an upper base of a spring and a triangle support bracket. When a front wheel generates relative movement, the fork type auxiliary vibration damper and the main vibration damper simultaneously acts on the tricycle. The utility model enhances service life and safety of a vibration damper mechanism.