Kochetov's symmetric beaded mesh vibration isolator

FIELD: machine building.

SUBSTANCE: invention relates to machine building. The vibration isolator contains a base, elastic mesh elements, upper and lower press washers. The base is located in the middle part of the vibration isolator and is designed as a plate with fastening holes. The mesh elastic elements are rigidly connected to a foundation by means of backup rings. In the upper mesh elastic element at the centre the damper of dry abrasion is axisymmetrically located. The damper is designed as the upper press washer, rigidly joint with centred ring enclosed by the axially located ring, rigidly connected with the base.

EFFECT: higher efficiency of vibration isolation in resonance mode, simplified design and assembly.

4 cl, 2 dwg

 

The invention relates to machine building, instrument-making and can be used for isolation of process equipment, machines, devices.

The closest technical solution to the declared object is vibration absorber according to the patent of Russian Federation №2288388, F16F 15/06 containing the base, the elastic net element and washer, interacting with sleeves.

A disadvantage of the known device is the complexity and lack of efficiency at resonance due to the lack of damping.

Technical result - increase the effectiveness of vibration isolation in a resonant mode and a simplified design and installation.

This is achieved in that in the vibration damper symmetric chybova mesh containing the base, the elastic mesh elements that interact with the base, the base is located in the middle part of the insulator and is made in the form of a plate with mounting holes and mesh elastic elements, top with the top of the pressure washer and the bottom of the lower pressure plate, rigidly connected with the base by means of support rings, mesh upper elastic element, in the centre asymmetrically is a dry friction damper, made in the form of the upper pressure washer rigidly connected to a centrally located ring, covered, coaxially located ring, W is stco connected to the base.

In Fig.1 shows a General view of insulator chyboveho mesh of Fig.2 is a frontal section.

Vibration absorber symmetric shibby mesh comprises a base 1, which is located in the middle part of the insulator and is made in the form of a plate with mounting holes 2, and mesh elastic elements, the top 7 with the upper pressure plate 5 and the lower 8 - from the bottom of the pressure washer 10 are rigidly connected with the base 1 by means of support rings 6 and 9, the upper mesh elastic element 7, in the center, asymmetrically is a dry friction damper, made in the form of the upper pressure washer 5, rigidly connected with a centrally located ring 4 covered coaxially located ring 3, which is rigidly connected to the base 1.

The density of the mesh structure elastic mesh element is in an optimal range of values: 1.2 g/cm3...2.0 g/cm3and the material elastic wire mesh elements - steel EI-708, and its diameter is optimum interval values 0,09 0,15 mm...mm

The density of the mesh structure of the outer layers of elastic mesh element is 1.5 times the density of the mesh structure of the inner layers of elastic mesh element.

Elastic mesh elements 7 and 8 may be made from a combination of mesh cage filled uh what atomeromu, for example, polyurethane.

Vibration absorber symmetric shibby net works as follows.

Fluctuations vibroisolating object (not shown) located on the top cover of the washer 5, the elastic mesh elements 7 and 8 are perceived both vertical and horizontal loads, thus weakening the dynamic impact on vibrotherapy object, i.e. it gives a spatial and vibration protection shock protection.

1. Vibration absorber symmetric shibby mesh containing the base, the elastic mesh elements that interact with the base, wherein the base is located in the middle part of the insulator and is made in the form of a plate with mounting holes and mesh elastic elements, top with the top of the pressure washer and the bottom with the bottom of the pressure washer, rigidly connected with the base by means of support rings, mesh upper elastic element in the center asymmetrically is a dry friction damper, made in the form of the upper pressure washer rigidly connected to a centrally located ring covered coaxially located ring rigidly connected to the base.

2. Vibration absorber symmetric shibby net under item 1, characterized in that the density of the mesh structure elastic mesh element is about the optimum range of values: 1.2 g/cm 3÷2.0 g/cm3and the material elastic wire mesh elements - steel EI-708, and its diameter is in the optimal range of values of 0.09 mm÷0,15 mm

3. Vibration absorber symmetric shibby net under item 1, characterized in that the density of the mesh structure of the outer layers of elastic mesh element is 1.5 times the density of the mesh structure of the inner layers of elastic mesh element.

4. Vibration absorber symmetric shibby net under item 1, characterized in that the elastic mesh elements are made from a combination of mesh cage filled with elastomer, for example polyurethane.



 

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