SPATIAL SPRING VIBRATORY INSULATOR Russian patent published in 2018 - IPC F16F7/08 F16F15/04 F16F9/30 

FIELD: machine building.

SUBSTANCE: invention relates to machine building and can be used for the process equipment protection against vibration. Spatial spring vibration isolator contains base, post (4), spring type elastic elements and supporting units. Post (4) is made in the form of rod with threaded end perpendicular to the base and rigidly fixed therein, on which the U-shaped base (3) fixing the spring type resilient element (2) by means of elastic elements located in the of the U-shaped base (3) grooves by means of cover (5) and cylindrical elastic washer (6) mounted on the rod are installed. Fixing the elastic element (2) elastic elements are made with stiffness greater than the elastic element (2) stiffness. To reduce the oscillations amplitude at resonant modes, between the elastic element (2) and the base additional resilient damping element (10) is mounted. Additional resilient damping element (10) is made in the form of damper comprising a body and a piston located therein, body is made in the form of a cylinder with a bottom, in which a piston is arranged made in the form of cup with parallel to each other and coaxial to the body top and bottom collars, which are located relative to the body inner surface with a gap, and between the collars friction material is located. Spring located between the piston and the body bottom rests against the piston lower surface, wherein the cavity between the piston and the body bottom, in which the spring is located, is filled with a friction material with a higher friction coefficient, and the piston upper collar upper surface rests against the elastic ring connected to the locking member made, for example, in the form of a locking ring fixed in the cylinder body inner surface groove, at that, through the resilient ring the locking element contacts the piston upper collar upper surface, holding it in its original state. As the located between the piston collars friction material, a sintered friction material based on copper containing zinc, iron, lead, graphite, vermiculite, copper, chromium, antimony and silicon is used. Located between the piston and the body bottom spring is made in the form of a conical spring, which turns are covered with a vibration damping material, for example, polyurethane.

EFFECT: increase in the vibration isolation effectiveness.

1 cl, 5 dwg