CN2584936Y - Multi-layer structure vibration damper capable of bearing space loading - Google Patents
Multi-layer structure vibration damper capable of bearing space loading Download PDFInfo
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- CN2584936Y CN2584936Y CN 02291136 CN02291136U CN2584936Y CN 2584936 Y CN2584936 Y CN 2584936Y CN 02291136 CN02291136 CN 02291136 CN 02291136 U CN02291136 U CN 02291136U CN 2584936 Y CN2584936 Y CN 2584936Y
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- elastic element
- vibration isolator
- layer structure
- bear
- elastomer
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Abstract
The utility model provides a multi-layer structure vibration isolator capable of bearing space loads, which relates to a vibration isolating device and comprises elastic elements (2) and an elastic clamp hoop (3), wherein, each of the elastic elements (2) has a sliver-shaped structure with a bend angle at the middle part, the elastic clamp hoop (3) is tightly fixed on the outer part of an elastic body (6) formed by that at least two elastic elements (2) form a bundle, and the outer surfaces of the elastic elements (2) are close contacted with each other. The utility model solves the problem of poor capacity of bearing space loads of existing vibration isolators. The vibration isolator is suitable for the damping vibration attenuation for aviation, aerospace, national defence, traffic, light industry, various civil machines, etc. under special type conditions of high temperature, low temperature, corrosive environments, shock loads, space loading action, etc.
Description
Technical field: the utility model relates to a kind of isolation mounting.
Background technique: any mechanical device and equipment are owing to be subjected to the influence of self part material, processing, assembling and external environment, to produce vibration inevitably in the working procedure, generation of vibration not only influences the normal performance of machinery performance, and the noise of vibration generation also is unfavorable for operator's physical and mental health, therefore, vibration insulation and noise reduction is one of hot issue of being concerned about of people always.Yet because the machinery purposes is different, structure varies, existing any vibration isolator all can not satisfy the demand of all operating modes, so along with improving constantly of machinery performance, demand is very necessary to satisfy more widely to develop various novel vibration isolators.And also there is the relatively poor problem of ability of bearing space load in existing vibration isolator.
The model utility content: the utility model provides a kind of vibration isolator that can bear the multi-layer structure of space load, and it has solved the relatively poor problem of ability that existing vibration isolator bears space load.The utility model includes elastic element 2 and flexible collar 3, elastic element 2 is long strip structures that there is bend angle at the middle part, flexible collar 3 is fastened at least two elastic elements 2 and forms a branch of and the outside elastomer 6 that forms, and the outer surface of elastic element 2 is closely contact each other.Elastic element 2 is angled in middle bent to be in order to ensure that vibration isolator can bear space load.Flexible collar 3 depends on the size that need be applied to elastic element surface uniform load along the elastic deformation amount's of four direction size, promptly depends on the elastic damping performance of vibration isolator.By changing the length of quantity, sectional dimension or its two straight flanges of elastic element in the vibration isolator, can be so that vibration isolator has different rigidity, the impacting force of flexible collar makes even contact between the elastic element surface, has ensured that this vibration isolator has higher and stable dry-friction damping performance.This vibration isolator has following performance characteristics: each element of 1, forming vibration isolator is made by metallic material, and therefore, this vibration isolator has high temperature resistant, low temperature resistant, anticorrosive, non-ageing characteristic; 2, during crooked 90 ° of elastic element, make this vibration isolator can either bear thrust load with the elastic element parallel axes, ensured that again this vibration isolator has the ability of bearing space load; 3, the impacting force of material, quantity, cross section, monolateral length and the flexible collar by changing elastic element etc. can make vibration isolator have different rigidity and damping capacity, and being easy to form series product satisfies different demands; 4, when the equal in length of two straight flanges of this vibration isolator elastic element, when flexible collar quantity equates, can guarantee that vibration isolator has identical vibration frequency and stable damping capacity in three orthogonal directions.This vibration isolator is applicable to the damping vibration attenuation under extraordinary operating modes such as high temperature, low temperature, corrosive environment, impulsive load, space loading such as Aeronautics and Astronautics, national defence, communications and transportation, light industry and various civilian machineries.
Description of drawings: Fig. 1 is the structural representation of vibration isolator in the embodiment one, Fig. 2 is the plan view of Fig. 1, Fig. 3 is the structural representation of elastic element 2 in the embodiment one, Fig. 4 is the A-A sectional view of Fig. 1, Fig. 5 is the structural representation of flexible collar 3 in the embodiment one, Fig. 6 is the left view of Fig. 5, and Fig. 7 is the sectional view of elastic element 2 and clip 3 in the embodiment two, and Fig. 8 is the sectional view of elastic element 2 and clip 3 in the embodiment three.
Embodiment one: consult Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the vibration isolator of present embodiment is made up of upper support element 1, elastic element 2, flexible collar 3, lower support element 4 and alignment pin 5, the bending angle at elastic element 2 middle parts is 90 °, the equal in length of 2 liang of straight flanges of elastic element, the cross section of elastic element 2 is a square, n
2It is foursquare elastomer 6 (wherein n is at least 2) that the side of individual elastic element 2 closely contacts a branch of formation of composition cross section.Flexible collar 3 is and the identical polygon structure of elastomer 6 cross section limit number that the side of polygonal flexible collar 3 is the arc that concaves, and can make the flexible collar 3 that is fastened on elastomer 6 outsides have the certain deformation amount like this when elastic element 2 distortion.A plurality of flexible collar 3 are equally spaced respectively to be fastened on two straight flanges of elastomer 6.Fixedly connected with lower support element 4 with upper support element 1 by bearing pin 5 respectively in the two ends of elastomer 6.
Embodiment two: consult Fig. 7, what present embodiment and embodiment one were different is, the cross section of elastic element 2 is flat rectangle, and a plurality of elastic elements 2 stack mutually that to form a branch of formation cross section be the elastomer 6 of rectangle.Other composition is identical with embodiment one with annexation.
Embodiment three: consult Fig. 8, what present embodiment and embodiment one were different is that the cross section of elastic element 2 is an equilateral triangle, n
2It is the elastomer 6 (wherein n is at least 2) of equilateral triangle that the side of individual elastic element 2 closely contacts a branch of formation of composition cross section.Other composition is identical with embodiment one with annexation.
Claims (9)
1, can bear the vibration isolator of the multi-layer structure of space load, it includes elastic element (2) and flexible collar (3), it is characterized in that elastic element (2) is the long strip structure that there is bend angle at the middle part, flexible collar (3) is fastened at least two elastic elements (2) and forms a branch of and the outside elastomer (6) that forms, and the outer surface of elastic element (2) is closely contact each other.
2, the vibration isolator that can bear the multi-layer structure of space load according to claim 1 is characterized in that the bending angle at elastic element (2) middle part is 90 °.
3, the vibration isolator that can bear the multi-layer structure of space load according to claim 1 and 2 is characterized in that the equal in length of elastic element (2) two straight flanges.
4, the vibration isolator that can bear the multi-layer structure of space load according to claim 3 is characterized in that the cross section of elastic element (2) is square, n
2It is foursquare elastomer (6) that the side of individual elastic element (2) closely contacts a branch of formation of composition cross section.
5, the vibration isolator that can bear the multi-layer structure of space load according to claim 3, the cross section that it is characterized in that elastic element (2) is flat rectangle, it is the elastomer (6) of rectangle that a plurality of elastic elements (2) stack a branch of formation of composition cross section mutually.
6, the vibration isolator that can bear the multi-layer structure of space load according to claim 3, the cross section that it is characterized in that elastic element (2) is an equilateral triangle, n
2It is the elastomer (6) of equilateral triangle that the side of individual elastic element (2) closely contacts a branch of formation of composition cross section.
7, according to claim 1,2,4, the 5 or 6 described vibration isolators that can bear the multi-layer structure of space load, it is characterized in that flexible collar (3) is and the identical polygon structure of elastomer (6) limit, cross section number, the side of polygonal flexible collar (3) is the arc that concaves.
8, the vibration isolator that can bear the multi-layer structure of space load according to claim 7 is characterized in that on equally spaced respectively two straight flanges that are fastened on elastomer (6) of a plurality of flexible collar (3).
9, the vibration isolator that can bear the multi-layer structure of space load according to claim 1 and 2 is characterized in that fixedlying connected with lower support element (4) with upper support element (1) by bearing pin (5) respectively in the two ends of elastomer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02291136 CN2584936Y (en) | 2002-12-17 | 2002-12-17 | Multi-layer structure vibration damper capable of bearing space loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02291136 CN2584936Y (en) | 2002-12-17 | 2002-12-17 | Multi-layer structure vibration damper capable of bearing space loading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2584936Y true CN2584936Y (en) | 2003-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02291136 Expired - Fee Related CN2584936Y (en) | 2002-12-17 | 2002-12-17 | Multi-layer structure vibration damper capable of bearing space loading |
Country Status (1)
| Country | Link |
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| CN (1) | CN2584936Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374825A (en) * | 2021-06-18 | 2021-09-10 | 中国航发沈阳发动机研究所 | Variable-rigidity and variable-damping clamp bracket for aero-engine and preparation method thereof |
-
2002
- 2002-12-17 CN CN 02291136 patent/CN2584936Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113374825A (en) * | 2021-06-18 | 2021-09-10 | 中国航发沈阳发动机研究所 | Variable-rigidity and variable-damping clamp bracket for aero-engine and preparation method thereof |
| CN113374825B (en) * | 2021-06-18 | 2022-07-19 | 中国航发沈阳发动机研究所 | Variable-rigidity variable-damping clamp bracket for aero-engine and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |