FIELD: machine building.
SUBSTANCE: vibration absorber contains intermediate mass, the upper and three lower elastic elements, the mass of the dynamic absorber and the elastic elements connecting this mass with the intermediate mass. Said intermediate mass is made in the form of a rigid body with an internal closed cavity filled with a viscous liquid. Above mass of the dynamic absorber is made in the form of a piston located in this cavity with axial channels. Said upper elastic element is made in the form of an elastic-damping cylindrical helical spring, the coils of which are covered with polyurethane. Above three lower elastic elements are made in the form of vibration supports, comprising a body and an elastic element made of elastomer.
EFFECT: enabling an increase in the vibration absorption efficiency.
1 cl, 4 dwg
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