CN106286701A - A kind of elastic circular antivibrator with metal-rubber - Google Patents
A kind of elastic circular antivibrator with metal-rubber Download PDFInfo
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- CN106286701A CN106286701A CN201610898575.9A CN201610898575A CN106286701A CN 106286701 A CN106286701 A CN 106286701A CN 201610898575 A CN201610898575 A CN 201610898575A CN 106286701 A CN106286701 A CN 106286701A
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- Prior art keywords
- rubber
- elastic ring
- metal
- lug boss
- outer lug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
Abstract
A kind of elastic circular antivibrator with metal-rubber, including the elastic ring being connected to outside rolling bearing, elastic ring is thin-wall tubular structure, elastic ring inner and outer wall is respectively equipped with the protruding inner convex platform of regular rectangular shape and outer lug boss, inner convex platform and outer lug boss are uniformly distributed along elastic ring circumference respectively, filler metal rubber between each two outer lug boss, metal-rubber is by elastic ring, outer lug boss, casing and bearing flange are spacing, elastic ring rigidity is big, damp little, metal-rubber rigidity is little, damping is big, elastic ring and metal-rubber are mutually coupled effect, the present invention can be at oil-air lubrication, in the high-speed rotor system of the rolling bearing supporting of fog lubrication, the support stiffness of regulation system also suppresses the vibration of rotor, simple in construction, it is easy to assembling.
Description
Technical field
The present invention relates to the elastic bearing technical field of high-speed rotor system, be specifically related to a kind of bullet with metal-rubber
Property ring type antivibrator.
Background technology
In Modern High-Speed rotating machinery, such as aero-engine, gas turbine, turbocharger etc., rotor usually works
At first critical speed, even more than Multi-critical speed, neighbouring at rotor or when accelerating by critical speed, rotor-support-foundation system
Have the biggest vibration.Therefore, rotor-support-foundation system is increased flexible damping support, system can be regulated by changing support stiffness
Critical speed, and by increasing the damping of supporting structure, effectively suppress the vibration of rotor, thus ensure the safe and reliable of system
Run.
The sixties in 20th century, squeeze film damper (SFD) applied, and its simple in construction, volume are little, lightweight, resistance
Damping characteristics is good, reliability is high, the most notable to the inhibition of rotor oscillation.But squeeze film damper is nonlinear dampling
Device, its oil film rigidity increases with squeezing action and increases, and squeezing action its nonlinear degree the biggest is the strongest.Therefore,
High-speed rotor system under this supporting structure, it is possible to bistable state can be occurred to jump, the phenomenon such as locked and non-coordinating precession, from
And produce high vibration, even damage equipment.Therefore, Russia scholar proposes a kind of elastic ring squeeze film damper, changes
It is apt to the nonlinearity problem of squeeze film damper.But the antivibrator of which kind of version the most above-mentioned, is required for little
Gap feeds substantial amounts of lubricating oil thus produces squeeze film.In the rotating machinery of oil gas or fog lubrication, owing to using
Be the mode of micro lubricating, it is impossible to produce the squeeze film needed, therefore, it is difficult to apply such antivibrator, typically
All use the mode of non-yielding prop so that rotor is sorry critical operation.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of radial direction with metal-rubber
Elastic circular antivibrator, can regulate system in the high-speed rotor system that the rolling bearing of oil-air lubrication, fog lubrication supports
Support stiffness and suppress the vibration of rotor, simple in construction, be easy to assembling.
In order to achieve the above object, present invention employs techniques below scheme:
A kind of elastic circular antivibrator with metal-rubber, including the elastic ring 1 being connected to outside rolling bearing 6, elastic
Ring 1 is thin-wall tubular structure, and elastic ring 1 inner and outer wall is respectively equipped with the protruding inner convex platform 2 of regular rectangular shape and outer lug boss 3, interior
Boss 2 and outer lug boss 3 are uniformly distributed along elastic ring 1 circumference respectively, filler metal rubber 5 between each two outer lug boss 3, metal rubber
Glue 5 is spacing by elastic ring 1, outer lug boss 3, casing 7 and bearing flange 8, and elastic ring 1 rigidity is big, it is little to damp, metal-rubber 5 rigidity
Little, damping is big.
Described metal-rubber 5 is wound around by tinsel and cold stamping forms, and metal-rubber 5 length and width parameter is by required damping meter
Calculate gained.
Described inner convex platform 2 and outer lug boss 3 are interspersed, and are i.e. inner convex platform 2---outer lug boss 3----along elastic ring 1 circumference
Inner convex platform 2---outer lug boss 3 moves in circles.
Described inner convex platform 2 and outer lug boss 3 number, width parameter are by required elastic ring 1 Rigidity Calculation gained.
Described elastic ring 1 is divided into Split type flexible ring and two kinds of integrated elastic ring, when the rolling bearing 6 little employing of span
Integrated elastic ring, is provided with the perforate 4 for oil spout or steady pin effect, inner convex platform 2 and outer lug boss 3 in the middle part of integrated elastic ring
Length is more than rolling bearing 6 width, and outer lug boss 3 height is higher than inner convex platform 2；Rolling bearing 6 span big Split type flexible ring.
The invention have the benefit that
The elastic cellular material of a kind of homogenizing that metal-rubber 5 is made up of tinsel, it is intrinsic that it had both had selected metal
Characteristic, there is again the same elasticity of rubber and damping action, can the vibration of absorption system well, compare with rubber, also
There is the life-span long, high-low temperature resistant, high reliability.
Rotor in working order under, eccentric force extruding elastic ring 1, thus extrude metal-rubber 5, elastic ring 1 rigidity is big, resistance
Buddhist nun is little, and metal-rubber 5 rigidity is little, damping is big, and both are mutually coupled effect, provides enough rigidity and damping for supporting system；
Along with the increase of dynamic force, the rigidity of metal-rubber 5 and damping also increase, improve the non-thread of film damper height
Property, it is provided that enough dampings, and then improve the pressure distribution of rotor-bearing system, thus improve whole supporting system
Damping behavior, is adapted to bigger out-of-balance force.
Elastic ring 1 has the strongest adaptivity, and when transcritical regime, inner convex platform 2 and outer lug boss 3 contact condition are constantly sent out
Changing, the system critical speed of causing is continually changing, and improves vibrational state.
Accompanying drawing explanation
Fig. 1-a is the axonometric drawing of integral type elastic ring；Fig. 1-b is the axonometric drawing of Split type flexible ring.
Fig. 2-a is the sectional view of the rotor-support-foundation system of the elastic circular antivibrator with metal-rubber；Fig. 2-b is in Fig. 2-a
Using the A-A of integrated elastic ring to echelon sectional view, Fig. 2-c is the left sectional view using Split type flexible ring in Fig. 2-a.
Detailed description of the invention
The present invention is described in detail with embodiment below in conjunction with the accompanying drawings.
With reference to Fig. 1-a, Fig. 1-b, Fig. 2-a, Fig. 2-b, Fig. 2-c, a kind of elastic circular antivibrator with metal-rubber, bag
Including the elastic ring 1 being connected to outside rolling bearing 6, elastic ring 1 is thin-wall tubular structure, and elastic ring 1 inner and outer wall is respectively equipped with
Inner convex platform 2 and outer lug boss 3, inner convex platform 2 and outer lug boss 3 that regular rectangular shape is protruding are uniformly distributed along elastic ring 1 circumference respectively, convex
Platform 2 and outer lug boss 3 are interspersed, and are i.e. inner convex platform 2---outer lug boss 3----inner convex platform 2---outer lug boss 3 along elastic ring 1 circumference
Moving in circles, filler metal rubber 5 between each two outer lug boss 3, metal-rubber 5 is wound around by tinsel and cold stamping forms, gold
Genus rubber 5 length and width parameter is by required Damping calculating gained, and metal-rubber 5 is by elastic ring 1, outer lug boss 3, casing 7 and bearing flange 8
Spacing, elastic ring 1 rigidity is big, it is little to damp, and metal-rubber 5 rigidity is little, damping is big.Described inner convex platform 2 and outer lug boss 3 number,
Width parameter is by required elastic ring 1 Rigidity Calculation gained.
With reference to Fig. 1-a, Fig. 1-b, described elastic ring 1 is divided into Split type flexible ring and two kinds of integrated elastic ring, works as rolling
Dynamic bearing 6 span little employing integrated elastic ring, is provided with in the middle part of integrated elastic ring for oil spout or the perforate of steady pin effect
4, inner convex platform 2 and outer lug boss 3 length are more than rolling bearing 6 width, and outer lug boss 3 height is higher than inner convex platform 2, and inner convex platform 2 is used for shaking
The adjustment of contact condition during dynamic state；Rolling bearing 6 span big Split type flexible ring.
The operation principle of the present invention is:
Elastic ring 1 rigidity is big, it is little to damp, and metal-rubber 5 rigidity is little, damping is big, and both are mutually coupled effect, improves and props up
Hold the rigidity of system, and provide enough dampings for supporting system.Metal-rubber 5 damping is the non-linear increasing letter of axle journal eccentricity
Number, in the case of eccentricity is less, damping substantially linear damping；Become greatly along with eccentricity or rotating speed increases, damp non-thread
Property increase, to rotor-support-foundation system amplitude suppressing, especially to suppression critical speed vibrational state play an important role.
Elastic ring 1 also has the strongest adaptivity.During work, elastic ring 1 is in metal-rubber 5 and the phase of rotor unbalance power
Under interaction, inner convex platform 2 and outer lug boss 3 contact condition constantly change, and slide displacement even can occur, cause support stiffness
Change the most therewith with critical speed, thus avoid the larger vibration peak value being likely to occur.
Example provided above is only the preferred embodiment of the present invention, generally according to institute in the claims in the present invention and description of the invention
The simple equivalence made changes and modifies, and all should belong to the present invention and protect the scope of covering.
Claims (5)
1. there is an elastic circular antivibrator for metal-rubber, including being connected to rolling bearing (6) elastic ring (1) outward, bullet
Property ring (1) be thin-wall tubular structure, it is characterised in that: elastic ring (1) inner and outer wall is respectively equipped with protruding interior of regular rectangular shape
Boss (2) and outer lug boss (3), inner convex platform (2) and outer lug boss (3) are uniformly distributed along elastic ring (1) circumference respectively, each two evagination
Filler metal rubber (5) between platform (3), metal-rubber (5) is by elastic ring (1), outer lug boss (3), casing (7) and bearing flange
(8) spacing, elastic ring (1) rigidity is big, it is little to damp, and metal-rubber (5) rigidity is little, damping is big.
A kind of elastic circular antivibrator with metal-rubber the most according to claim 1, it is characterised in that: described gold
Belonging to rubber (5) to be formed by tinsel winding cold stamping, metal-rubber (5) length and width parameter is by required Damping calculating gained.
A kind of elastic circular antivibrator with metal-rubber the most according to claim 1, it is characterised in that: described is interior
Boss (2) and outer lug boss (3) are interspersed, i.e. along elastic ring (1) circumference---outer lug boss (3)----inner convex platform that is inner convex platform (2)
(2)---outer lug boss (3) moves in circles.
A kind of elastic circular antivibrator with metal-rubber the most according to claim 1, it is characterised in that: described is interior
Boss (2) and outer lug boss (3) number, width parameter are by required elastic ring (1) Rigidity Calculation gained.
A kind of elastic circular antivibrator with metal-rubber the most according to claim 1, it is characterised in that: described bullet
Property ring (1) is divided into Split type flexible ring and two kinds of integrated elastic ring, when rolling bearing (6) span little employing integrated elastic
Ring, is provided with the perforate (4) for oil spout or steady pin effect, inner convex platform (2) and outer lug boss (3) length in the middle part of integrated elastic ring
More than rolling bearing (6) width, outer lug boss (3) height is higher than inner convex platform (2)；The big Split type flexible of rolling bearing (6) span
Ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898575.9A CN106286701A (en) | 2016-10-14 | 2016-10-14 | A kind of elastic circular antivibrator with metal-rubber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898575.9A CN106286701A (en) | 2016-10-14 | 2016-10-14 | A kind of elastic circular antivibrator with metal-rubber |
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| CN106286701A true CN106286701A (en) | 2017-01-04 |
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| CN201610898575.9A Pending CN106286701A (en) | 2016-10-14 | 2016-10-14 | A kind of elastic circular antivibrator with metal-rubber |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099300A (en) * | 2017-11-28 | 2018-06-01 | 嘉峪关天源新材料有限责任公司 | A kind of welding metal shock reducing plate |
| CN108131421A (en) * | 2017-12-27 | 2018-06-08 | 哈尔滨广瀚燃气轮机有限公司 | A kind of elastic ring squeeze film damper with special-shaped aperture |
| CN108397885A (en) * | 2017-07-18 | 2018-08-14 | 奥克斯空调股份有限公司 | A kind of damping shaft, air exhausting structure and air conditioner |
| CN109185381A (en) * | 2018-09-30 | 2019-01-11 | 中南大学 | A kind of combined elastic ring squeeze film damper |
| CN109505921A (en) * | 2018-11-29 | 2019-03-22 | 天津大学 | A kind of projective table type squeeze film damper |
| CN110848029A (en) * | 2019-11-19 | 2020-02-28 | 中国人民解放军总参谋部第六十研究所 | Elastic ring type damping structure for high-rotating-speed engine |
| CN111288125A (en) * | 2020-02-12 | 2020-06-16 | 常州工学院 | Planetary gear transmission system with high-damping high-flexibility bearing nested structure |
| CN111637149A (en) * | 2020-05-27 | 2020-09-08 | 西安交通大学 | Foil gas bearing with elastic damping structure |
| CN113481557A (en) * | 2021-07-30 | 2021-10-08 | 湖州金久金属表面处理有限公司 | Electroplating process for irregular metal workpiece |
| CN114688180A (en) * | 2022-03-29 | 2022-07-01 | 内蒙古工业大学 | Driven plate assembly of arc-shaped metal rubber torsion damper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769611Y (en) * | 2004-11-04 | 2006-04-05 | 北京航空航天大学 | Adaptive squeezing oil film damper with metal rubber external ring |
| CN101922503A (en) * | 2010-08-11 | 2010-12-22 | 洛阳轴研科技股份有限公司 | Designing method of high-speed ball bearing formed by sandwich integral damping outer circle |
| CN102338158A (en) * | 2011-09-15 | 2012-02-01 | 西安交通大学 | Elastic ring and integral-type elastic ring damper utilizing same |
| CN105003593A (en) * | 2015-07-17 | 2015-10-28 | 厦门理工学院 | Hybrid bearing supporting shock absorber used for cone shaft |
-
2016
- 2016-10-14 CN CN201610898575.9A patent/CN106286701A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2769611Y (en) * | 2004-11-04 | 2006-04-05 | 北京航空航天大学 | Adaptive squeezing oil film damper with metal rubber external ring |
| CN101922503A (en) * | 2010-08-11 | 2010-12-22 | 洛阳轴研科技股份有限公司 | Designing method of high-speed ball bearing formed by sandwich integral damping outer circle |
| CN102338158A (en) * | 2011-09-15 | 2012-02-01 | 西安交通大学 | Elastic ring and integral-type elastic ring damper utilizing same |
| CN105003593A (en) * | 2015-07-17 | 2015-10-28 | 厦门理工学院 | Hybrid bearing supporting shock absorber used for cone shaft |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397885B (en) * | 2017-07-18 | 2023-07-18 | 奥克斯空调股份有限公司 | Damping shaft, air outlet structure and air conditioner |
| CN108397885A (en) * | 2017-07-18 | 2018-08-14 | 奥克斯空调股份有限公司 | A kind of damping shaft, air exhausting structure and air conditioner |
| CN108099300A (en) * | 2017-11-28 | 2018-06-01 | 嘉峪关天源新材料有限责任公司 | A kind of welding metal shock reducing plate |
| CN108131421A (en) * | 2017-12-27 | 2018-06-08 | 哈尔滨广瀚燃气轮机有限公司 | A kind of elastic ring squeeze film damper with special-shaped aperture |
| CN109185381A (en) * | 2018-09-30 | 2019-01-11 | 中南大学 | A kind of combined elastic ring squeeze film damper |
| CN109505921A (en) * | 2018-11-29 | 2019-03-22 | 天津大学 | A kind of projective table type squeeze film damper |
| CN110848029A (en) * | 2019-11-19 | 2020-02-28 | 中国人民解放军总参谋部第六十研究所 | Elastic ring type damping structure for high-rotating-speed engine |
| CN111288125A (en) * | 2020-02-12 | 2020-06-16 | 常州工学院 | Planetary gear transmission system with high-damping high-flexibility bearing nested structure |
| CN111288125B (en) * | 2020-02-12 | 2021-03-19 | 常州工学院 | Planetary gear transmission system with high-damping high-flexibility bearing nested structure |
| CN111637149A (en) * | 2020-05-27 | 2020-09-08 | 西安交通大学 | Foil gas bearing with elastic damping structure |
| CN113481557A (en) * | 2021-07-30 | 2021-10-08 | 湖州金久金属表面处理有限公司 | Electroplating process for irregular metal workpiece |
| CN113481557B (en) * | 2021-07-30 | 2023-12-15 | 湖州金久金属表面处理有限公司 | Electroplating process for irregular metal workpiece |
| CN114688180A (en) * | 2022-03-29 | 2022-07-01 | 内蒙古工业大学 | Driven plate assembly of arc-shaped metal rubber torsion damper |
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Application publication date: 20170104 |