FIELD: machine engineering.
SUBSTANCE: vibration isolation device contains a housing, a screw-connected nut located in it and rod mechanism that connects the nut to a vibration-insulating object. The nut has a groove of T-shaped profile. The profile of the rod of the rod mechanism corresponds to the profile of the groove and is intended for interaction with it. The elastic element, installed between the insulated object and the base, is made in the form of a cylindrical spring with a built-in dry friction damper. The spring consists of two parts with on-coming ends. The first spring part has rectangular section turns with rounded edges, and the second part is made hollow. The on-coming end of the first part is located in the cavity of the second part. The segmental profile gaps of the contacting spring parts are filled with antifriction lubricant. The sealing collar is mounted on the end of the second part of the spring. The first part of the screw spring is enclosed by the tube of polyurethane. The gaps between the spring and the tube are filled with crumb of friction material.
EFFECT: raised efficiency of oscillation damping.
2 dwg
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