Two -way mechanical friction damper and use vehicle of this attenuator

The utility model relates to a two -way mechanical friction damper and use vehicle of this attenuator. Two -way mechanical friction damper is provided with the guiding hole that supplies the piston rod direction to slide and pass including having piston cylinder, piston and the piston rod of end cover on, have the fixed elastomer that is provided with on the inner wall of piston cylinder in the pole chamber, and the elastomer has the roof pressure face of inseparable roof pressure on the outer peripheral face of piston rod so that the piston rod produces frictional force when the motion and between the roof pressure face. The roof pressure produces the normal pressure in the face of the outer peripheral face of piston rod, when the pulling piston rod, will produce certain frictional forcebetween elastomer and the piston rod, and the mechanical friction manner through this mechanism has realized the piston function that stop two -way optional position in the piston cylinder, when it isused for automobile lugga