RU2019133955A - VIBRATION ISOLATOR WITH PENDULUM SUSPENSION - Google Patents

Claims (5)

1. A vibration isolator with a pendulum suspension, containing an elastic element interacting with the base and a pendulum suspension, the pendulum suspension is made in the form of a threaded rod with a spherical profile at one of its ends and a threaded sleeve connected to it, also having a spherical profile, both spherical profiles of the pendulum suspension interact with the conical surfaces, respectively, of the lower and upper plates, and the elastic element is made in the form of a package of successively connected elastic elements that are connected along the inner diameter with the outer surface of the sleeve, one end rigidly fixed to the base, and the other entering along a sliding fit into a guide sleeve, characterized in that the disk-type elastic element package consists of interconnected external and internal annular elastic conical disks contains at least one external and two internal annular elastic conical disks located between the base made in vi de glass, against which one of the inner discs abuts, and a cover made in the form of a T-shaped disc with a through hole, in which a centering mandrel is installed, fixed to the base through an elastic gasket with a screw, while the outer and inner annular elastic conical discs are made in in the form of truncated conical surfaces and contain at least three radial grooves directed from the larger base of the truncated cone to the smaller base, and each of the radial grooves ends with a hole. 2. Vibration isolator with a pendulum suspension according to claim 1, characterized in that the package of series-connected disk-type elastic elements, made in the form of annular conical springs, which have conjugation of the lateral conical surfaces of the outer annular elastic conical disk with the lateral conical surfaces of the inner annular elastic conical disks made in the form of spherical segments of radius R, available on each of the discs in the amount of two, located respectively at the larger base of the truncated cone and the smaller base of each of the discs, while the spherical segments are made in one piece with the conical surfaces of each of the discs and are directed in different directions from the generatrix conical surface. 3. Vibration isolator with a pendulum suspension according to claim 1, characterized in that in the package of series-connected disk-type elastic elements made in the form of annular conical springs, on the base, along the perimeter of the bottom of the glass, there is a ring made of vibration damping material having an internal profile, equidistant the profile of the outer spherical segment of the inner ring in contact with it, resting on the base, and on the cover, under the shelf of the T-shaped disk, there is a ring of vibration damping material having an outer profile equidistant to the profile of the inner spherical segment of the ring contacting with it, abutting against the cover. 4. A vibration isolator with a pendulum suspension according to claim 3, characterized in that the ring located on the cover, under the shelf of the T-shaped disk, having an external profile equidistant to the profile of the inner spherical segment of the ring contacting with it, abutting against the cover, is made of sintered friction material based on copper, which contains zinc, iron, lead, graphite, vermiculite, copper, chromium, antimony and silicon, with the following ratio of components, wt. %: zinc 6.0 ÷ 8.0 iron 0.1 ÷ 0.2 lead 2.0 ÷ 4.0 graphite 3.0 ÷ 7.0 vermiculite 8.0 ÷ 12.0 chromium 4.0 ÷ 6.0 antimony 0.05 ÷ 0.1 silicon 2.0 ÷ 3.0 copper rest