RU2019133975A - SPATIAL VIBRATION INSULATOR WITH PACKAGE SPRING SPRINGS - Google Patents

Claims (4)

1. Vibration isolator spatial with a package of Belleville springs, consisting of a frame that includes a left elastic damping element made in the form of a package of Belleville springs, and a right elastic damping element made, for example, in the form of a cylindrical helical spring, the coils of which are covered with vibration damping material, for example polyurethane the frame of the vibration isolator is made in the form of supporting plates attached symmetrically to the sleeve with a bottom, made in the form of a cylindrical shell, in which the mechanism of spatial stabilization of the platform for installing the vibration isolator is located, characterized in that the mechanism of spatial stabilization is located in the sleeve of the frame of the vibration isolator, and is made in the form of an axisymmetrically located support rod in it, rigidly connected in the upper part with a platform for installing a vibration-insulated object, and in the lower part rigidly connected with a supporting disk, which is mounted on a toroidal pneumatic elastic e a tape in contact with a triangular profile ring fixed simultaneously on the bottom of the sleeve and its inner side surface. 2. Vibration isolator spatial with a package of Belleville springs, consisting of interconnected external and internal annular elastic conical disks, consists of a set of Belleville springs, which includes at least two pairs of Belleville springs, each pair consisting of opposite located and movably connected to each other by large bases of conical discs, and the number of pairs of discs in a set of such springs can be different depending on the stiffness and magnitude of the spring travel, and the set of Belleville springs is located in a cylindrical body, the lower part of which is rigidly connected to the base having a centering a cylindrical collar, into which the smaller base of the conical discs of one of the pairs movably enters, and in the upper part of the housing is movable, with a gap there is a cover with a centering cylindrical collar, on which the smaller base of another pair from a set of Belleville springs is centered, while on the cylindrical surface of the housing it can be you the groove is full to reduce its radial stiffness, with large bases, opposed and connected to each other, conical disks of each pair, enter with a gap into the body, based on its inner cylindrical surface, and the smaller bases of the conical disks of adjacent pairs are interconnected by a damping element, which is made in the form of an axisymmetrically installed set of Belleville springs, a three-stage disk, along the central part of which the smaller bases of adjacent pairs of Belleville springs are based, and the conical disks are coated on both sides or on one side with vibration damping material, for example polyurethane, while the set of Belleville springs are made with the alternate use of conical discs in each of the pairs of Belleville springs with and without covering them with vibration damping material, characterized in that the central part of the damping element, which is made in the form of an axisymmetrically installed set of Belleville springs , a three-stage disk, on which the smaller bases of adjacent pairs of Belleville springs are based, is made of a friction material of a composition including the following components, at their ratio, in wt. %: a mixture of resole and novolac phenol-formaldehyde resins in a ratio of 1: (0.2-1.0) 28 ÷ 34%, - a fibrous mineral filler containing glass roving or a mixture of glass roving and basalt fiber in a ratio of 1: (0.1-1, 0) 12 ÷ 19%, - graphite 7 ÷ 18%, - friction modifier containing carbon black in the form of a mixture with kaolin and silicon dioxide 7 ÷ 15%, - barite concentrate 20 ÷ 35%, - talc 1.5 ÷ 3, 0%, and a mesh damper is fixed on the cover of the Belleville spring package, containing a base, an elastic mesh element and washers interacting with bushings, the base is made in the form of a plate with mounting holes, the main mesh elastic element, the lower part rests on the base and is fixed with a lower washer, rigidly connected to the base, and the upper part is fixed by an upper thrust washer rigidly connected to a centrally located piston, covered with a gap, a coaxially located sleeve rigidly connected to the base, and between the lower end of the piston and the bottom of the sleeve races an elastic element is placed, and the elastic element between the lower end of the piston and the bottom of the liner is made of a combined mesh frame filled with an elastomer, for example polyurethane, or, mesh, with the parameters of the mesh structure as in the main elastic mesh element. 3. A spatial vibration isolator with a package of Belleville springs according to claim 1, characterized in that the central part of the damping element, which is made in the form of an axisymmetrically installed set of Belleville springs, a three-stage disk, on which the smaller bases of adjacent pairs of Belleville springs are based, is made of sintered friction an iron-based material containing the following components in their ratio, wt%: copper 5.0-7.0 graphite 4.0-5.0 asbestos 2.0-3.0 silicon carbide 4.0-6.0 iron sulfate 5.0-6.0 cobalt 3.0-4.0 phosphoric slag 3.0-4.0 iron rest