CN105650180A - Ultralow-frequency and shock-resistance metamaterial vibration isolating device - Google Patents
Ultralow-frequency and shock-resistance metamaterial vibration isolating device Download PDFInfo
- Publication number
- CN105650180A CN105650180A CN201610123969.7A CN201610123969A CN105650180A CN 105650180 A CN105650180 A CN 105650180A CN 201610123969 A CN201610123969 A CN 201610123969A CN 105650180 A CN105650180 A CN 105650180A
- Authority
- CN
- China
- Prior art keywords
- meta materials
- locating cover
- vibration piece
- vibration isolating
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
-
- 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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
-
- 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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- 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
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/128—Vibration-dampers; Shock-absorbers using plastic deformation of members characterised by the members, e.g. a flat strap, yielding through stretching, pulling apart
-
- 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
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
Abstract
The invention belongs to the technical field of vibration reduction and noise reduction, and in particular, relates to a metamaterial vibration isolating technology. A ultralow-frequency and shock-resistance metamaterial vibration isolating device comprises a metamaterial vibration isolating part (1), a lower positioning cover (2), an upper positioning cover (3), an inner limiting shell (4), an outer limiting shell (5), a lower bolt set (6) and an upper bolt set (7). The ultralow-frequency and shock-resistance metamaterial vibration isolating device theoretically can realize any low frequency range, so that the metamaterial vibration isolating device can bear higher static load on an online elastic deformation section, and can realize ultralow-frequency vibration isolating effect of a vibration isolating system on a ultralow-frequency vibration isolating section; and the metamaterial vibration isolating device is high in shock resistance, and can improve the safety of the vibration isolating system. The metamaterial vibration isolating part is not limited by a base material, so that the adaptability is wide.
Description
Technical field
The invention belongs to noise reduction technology field, particularly to Meta Materials vibration isolation technique.
Background technology
Widely using of the raising that cabin comfortableness required along with people and precision instrument and equipment, the vibration and noise reducing problem of ship's space increasingly comes into one's own. Particularly in precision instrument system, can being effectively isolated system micro breadth oscillation in low-frequency range or ultralow frequency range, the runnability for improving system is particularly important. Meta Materials isolation mounting is the vibration isolator utilizing Meta Materials Technology design to obtain, by carrying out ordered structure design in material key physical size, it is made to obtain tradition intrasonic shock proof extraordinary physical property not available for vibration isolator, rigidity can be reduced as much as possible, thus realizing superlow frequency vibration isolating under the premise keeping bigger bearing capacity. Being characterized in utilizing existing base material, controlled the impedance of vibration isolator by the method for engineer, thus being effectively improved the vibration isolating effect of the ultralow frequency range of vibrating isolation system, this is significant for the low-frequency range radiated noise reducing ship's space.
Tradition vibrating isolation system is the vibration isolator adopting spring or rubber to be made mostly, and it is generally linear vibrating isolation system. To reduce the natural frequency of system, will with the quality of the rigidity reducing system or increase system for cost, but in actual engineering design, consider the stability of vibrating isolation system, the minimum rigidity of system and the biggest quality are all finite values, and therefore conventional linear vibration isolator is difficult to superlow frequency vibration isolating. Loggers company of Holland is a kind of spherical rubber vibration isolator for naval vessel subsidiary engine that naval develops, and it can only realize the low frequency vibration isolation performance that natural frequency is 5��9Hz. In addition, rubber shock absorber listed in " warship vibration isolator for ship series world map " (first edition), its essential core parts are rubber, anti-vibration performance is determined by rubber itself completely, thus design the type isolation mounting is typically involved the research and development of elastomeric material self, add design difficulty and the cycle of vibration isolator. And air bag vibration isolator engineering can realize the vibration isolation of lower frequency, but its normal operation needs a set of auxiliary device of optional equipment, and less natural frequency can make airbag chamber building volume and displacement excessive and cause the instability of position control, cause air bag cannot normal operation, therefore air bag vibration isolator is also difficult to the anti-vibration performance of ultralow natural frequency.
Summary of the invention
It is an object of the invention to: providing a kind of intrasonic shock resistance Meta Materials isolation mounting, can not only realize superlow frequency vibration isolating performance, but also can be deformed by self self adaptation and realize shock resistance, the radiated noise solving low-frequency range is difficult to
To the problem effectively controlled.
The technical scheme is that a kind of intrasonic shock resistance Meta Materials isolation mounting, it includes: Meta Materials vibration piece, lower locating cover, upper locating cover, interior position-restricted housing, outer position-restricted housing, lower bolt group, upper bolt group;
Meta Materials vibration piece obtains after being formed multi hole surface structure tailing edge normal extension setpoint distance by multiple hexagonal two dimension single cell structure close-packed arrays, and the unit being wherein positioned at border is the half of two dimension single cell structure;
Two ends, lower locating cover left and right are provided with installing hole, and upper surface centre position is provided with " returning " shape boss groove matched with Meta Materials vibration piece bottom surface, and is provided with square through hole at " returning " shape boss groove center;
Upper locating cover is square structure, its lower surface is provided with and the flange matched outside Meta Materials vibration piece end face, and centre is provided with the square boss matched with lower locating cover square through hole, its upper surface centre is provided with square boss, and square boss center is provided with tapped through hole;
Interior position-restricted housing surrounds Meta Materials vibration piece one week, and the top of interior position-restricted housing is connected with upper locating cover, and the upper position at interior position-restricted housing inner surface is provided with two or more tabletting, and tabletting is inserted in the hole of Meta Materials vibration piece top boundary unit;
Outer position-restricted housing surrounds interior position-restricted housing one week, and the bottom of outer position-restricted housing is connected with lower locating cover, and the position, middle and lower part of position-restricted housing inner surface is provided with two or more tabletting outside, and tabletting is inserted in the hole of Meta Materials vibration piece bottom boundary unit;
Meta Materials vibration piece is between upper locating cover and lower locating cover, positioned by " returning " shape boss groove of the flange of upper locating cover lower surface and lower locating cover upper surface, and the upper surface of Meta Materials vibration piece is glued together with the lower surface of upper locating cover, the lower surface of Meta Materials vibration piece is glued together with the upper surface of lower locating cover; Upper locating cover and lower locating cover square boss and square through hole by centre position therebetween coordinates.
Beneficial effect:
(1) under the combined effect of upper locating cover and lower locating cover, it is ensured that Meta Materials vibration piece is merely able to move on vertical; Under the combined effect of interior position-restricted housing and outer position-restricted housing, spacing on vertical of Meta Materials vibration piece can be realized, namely Meta Materials vibration piece is merely able in certain stroke range to move up and down, can also ensure that Meta Materials vibration piece will not cause the generation of " degumming " phenomenon because external force is excessive simultaneously under external force.
(2) present invention utilizes Meta Materials technology, carries out ordered structure design in the key physical size of Meta Materials vibration piece, it is achieved the impedance of isolation mounting and the Quantitative design of rigidity, can realize arbitrarily low frequency range in theory; Make the online resilient deformation section of Meta Materials isolation mounting can carry bigger dead load, and be capable of the superlow frequency vibration isolating effect of vibrating isolation system in superlow frequency vibration isolating section.
(3) Meta Materials isolation mounting designed in the present invention has strong shock resistance, it is possible to increase the safety of vibrating isolation system. When the size of externally applied load is much larger than the rated load of isolation mounting; hole in Meta Materials vibration piece is stacked to form compact zone under elastic buckling deforms; enter shock resistance section; the rigidity making Meta Materials vibration piece suddenly increases and realizes adaptive guard function; thus ensureing that isolation mounting is not destroyed, it is ensured that system can normal operation. Meta Materials vibration piece in the present invention is not by the restriction of base material, wide adaptability.
(4) based on Meta Materials designing technique, any materials can serve as the base material of Meta Materials vibration piece in theory, therefore more flexible choosing of base material, by the means of chemistry, base material can be modified simultaneously, realize specific performance targetedly, as improved the intensity of material, radioresistance, high temperature resistant, improvement of damping, fire-retardant, aging resistance etc.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of the present invention;
Fig. 2 and Fig. 3 is the exploded perspective view of the present invention;
Fig. 4 is the structural representation after cutting interior position-restricted housing and outer position-restricted housing open;
The axle that Fig. 5 is the present invention surveys half sectional view;
Fig. 6 is the internal structure schematic diagram of the present invention;
The structural representation of Meta Materials vibration piece in Fig. 7 present invention;
Fig. 8 is the two-dimentional single cell structure of Meta Materials vibration piece in the present invention;
Fig. 9 is the forward sectional view of the present invention;
Figure 10 is the forward sectional view after removing upper and lower locating cover and upper and lower bolt group;
Figure 11 is the side sectional view after the present invention removes upper and lower bolt group;
Figure 12 is the Figure 11 after removing upper and lower locating cover;
Figure 13 is the Figure 11 after removing inside and outside position-restricted housing.
Detailed description of the invention
Referring to accompanying drawing, a kind of intrasonic shock resistance Meta Materials isolation mounting, it includes: Meta Materials vibration piece 1, lower locating cover 2, upper locating cover 3, interior position-restricted housing 4, outer position-restricted housing 5, lower bolt group 6, upper bolt group 7;
The multi hole surface structure that Meta Materials vibration piece 1 is formed according to cycle ordered arrangement by limited two dimension single cell structure obtains along its normal extension, and the first row on close upper and lower surface and last column structure are the half of single cell structure; The profile of Meta Materials vibration piece 1 two dimension single cell structure is a hexagon including 4 hypotenuses and 2 vertical edges;
Lower locating cover about 2 two ends are provided with installing hole, upper surface centre position is provided with " returning " shape boss groove matched with Meta Materials vibration piece 1 bottom surface, and it is provided with square through hole inside " returning " shape boss groove, being provided externally with multiple equally spaced screw clearance holes at " returning " shape boss groove, its lower surface is plane;
Upper locating cover 3 is square structure, lower surface is provided with and the flange matched outside Meta Materials vibration piece 1 end face near outer edge, it is provided with multiple equally spaced screw clearance holes at this flange outer portion, and centre is provided with the square boss matched with lower locating cover 2 square through hole, its upper surface centre is provided with square boss, and square boss center is provided with tapped through hole;
Interior position-restricted housing 4 has two, the two collectively constitutes an entirety, it has outside upper and lower turnup structure, around Meta Materials vibration piece 1 one weeks, and the height of lower flange is more than the height of upper overturning, being provided with on the upper overturning of interior position-restricted housing 4 and upper locating cover 3 screw clearance holes screwed hole one to one, be provided with multiple tabletting in the upper position within interior position-restricted housing 4, these tablettings are inserted in the half of hexagonal hole of the first row of Meta Materials vibration piece 1 just;
Outer position-restricted housing 5 has two, the two collectively constitutes an entirety, it has inside upper and lower turnup structure, around interior position-restricted housing 4 one weeks, and the height of lower flange is more than the height of upper overturning, the lower flange of position-restricted housing 5 is provided with and lower locating cover 2 screw clearance holes screwed hole one to one outside, and the internal position, middle and lower part of position-restricted housing 5 is provided with multiple tabletting outside, and these tablettings are inserted in the half of hexagonal hole of last column of Meta Materials vibration piece 1 just;
Meta Materials vibration piece 1 is between upper locating cover 3 and lower locating cover 2, positioned by " returning " shape boss groove of the flange of upper locating cover 3 lower surface and lower locating cover 2 upper surface, and the upper surface of Meta Materials vibration piece 1 is glued together with the lower surface of upper locating cover 3, the lower surface of Meta Materials vibration piece 1 is glued together with the upper surface of lower locating cover 2; Upper locating cover 3 and lower locating cover 2 square boss and square through hole by centre position therebetween coordinates; Interior position-restricted housing 4 has two, and the tabletting in its internal upper position is inserted in the half of hexagonal hole of Meta Materials vibration piece 1 the first row, and is fixed on upper locating cover 3 by upper bolt group 7; Outer position-restricted housing 5 has two, and the tabletting on its internal position, middle and lower part is inserted in the half of hexagonal hole of Meta Materials vibration piece 1 last column, and is fixed on lower locating cover 2 by lower bolt group 6;
Under the combined effect of upper locating cover 3 and lower locating cover 2, it is ensured that Meta Materials vibration piece 1 is merely able to move on vertical; Under the combined effect of interior position-restricted housing 4 and outer position-restricted housing 5, spacing on vertical of Meta Materials vibration piece 1 can be realized, namely Meta Materials vibration piece 1 is merely able in certain stroke range to move up and down, can also ensure that Meta Materials vibration piece 1 will not cause the generation of " degumming " phenomenon because external force is excessive simultaneously under external force.
According to practical engineering application requirement, in above-mentioned a kind of intrasonic shock resistance Meta Materials isolation mounting, in the hexagon of Meta Materials vibration piece 1 two dimension single cell structure, the span of hypotenuse length L is 3��150mm, the span of vertical edge length H is 2��150mm, the span of hypotenuse wall thickness tL is 1.5��30mm, the span of vertical edge wall thickness tH is 1.5��30mm, the span of the angle theta between hypotenuse and vertical edge is 5��180 ��, and the span of the normal extension length D of Meta Materials vibration piece 1 multi hole surface structure is 20��2000mm.
For improving result of use further, can in intrasonic shock resistance Meta Materials isolation mounting lower locating cover 2 lower surface, on locating cover 3 upper surface respectively vulcanize and have one layer of rubber.
Claims (3)
1. an intrasonic shock resistance Meta Materials isolation mounting, it is characterized in that: it includes: Meta Materials vibration piece (1), lower locating cover (2), upper locating cover (3), interior position-restricted housing (4), outer position-restricted housing (5), lower bolt group (6), upper bolt group (7);
Described Meta Materials vibration piece (1) obtains after being formed multi hole surface structure tailing edge normal extension setpoint distance by multiple hexagonal two dimension single cell structure close-packed arrays, and the unit being wherein positioned at border is the half of described two dimension single cell structure;
Described lower locating cover (2) two ends, left and right are provided with installing hole, and upper surface centre position is provided with " returning " shape boss groove matched with described Meta Materials vibration piece (1) bottom surface, and is provided with square through hole at described " time " shape boss groove center;
Described upper locating cover (3) is square structure, its lower surface is provided with and the flange matched outside described Meta Materials vibration piece (1) end face, and centre is provided with the square boss matched with described lower locating cover (2) square through hole, its upper surface centre is provided with square boss, and square boss center is provided with tapped through hole;
Described interior position-restricted housing (4) was around described Meta Materials vibration piece (1) a week, the top of described interior position-restricted housing (4) is connected with described upper locating cover (3), upper position at described interior position-restricted housing (4) inner surface is provided with two or more tabletting, and described tabletting is inserted in the hole of described Meta Materials vibration piece (1) top boundary unit;
Described outer position-restricted housing (5) was around described interior position-restricted housing (4) weeks, the bottom of described outer position-restricted housing (5) is connected with described lower locating cover (2), being provided with two or more tabletting in the position, middle and lower part of described outer position-restricted housing (5) inner surface, described tabletting is inserted in the hole of described Meta Materials vibration piece (1) bottom boundary unit;
Described Meta Materials vibration piece (1) is positioned between described upper locating cover (3) and described lower locating cover (2), positioned by " returning " shape boss groove of the flange of described upper locating cover (3) lower surface and described lower locating cover (2) upper surface, and the upper surface of described Meta Materials vibration piece (1) is glued together with the lower surface of described upper locating cover (3), the lower surface of described Meta Materials vibration piece (1) is glued together with the upper surface of described lower locating cover (2); Described upper locating cover (3) and described lower locating cover (2) square boss and square through hole by centre position therebetween coordinates.
2. a kind of intrasonic shock resistance Meta Materials isolation mounting according to claim 1, it is characterized in that: in the hexagon of described Meta Materials vibration piece (1) two dimension single cell structure, the span of described hypotenuse length L is 3��150mm, the span of described vertical edge length H is 2��150mm, the span of described hypotenuse wall thickness tL is 1.5��30mm, the span of described vertical edge wall thickness tH is 1.5��30mm, the span of the angle theta between described hypotenuse and described vertical edge is 5��180 ��, the span of the normal extension length D of described Meta Materials vibration piece (1) multi hole surface structure is 20��2000mm.
3. a kind of intrasonic shock resistance Meta Materials isolation mounting according to claim 1 and 2, is characterized in that: described lower locating cover (2) lower surface, described upper locating cover (3) upper surface respectively vulcanizes one layer of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123969.7A CN105650180B (en) | 2016-03-04 | 2016-03-04 | A kind of ultralow frequency shock resistance Meta Materials isolation mounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610123969.7A CN105650180B (en) | 2016-03-04 | 2016-03-04 | A kind of ultralow frequency shock resistance Meta Materials isolation mounting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105650180A true CN105650180A (en) | 2016-06-08 |
| CN105650180B CN105650180B (en) | 2017-10-13 |
Family
ID=56493184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610123969.7A Active CN105650180B (en) | 2016-03-04 | 2016-03-04 | A kind of ultralow frequency shock resistance Meta Materials isolation mounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105650180B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567900A (en) * | 2016-11-01 | 2017-04-19 | 中国船舶重工集团公司第七〇九研究所 | Metamaterial vibration isolator |
| CN106679913A (en) * | 2017-01-17 | 2017-05-17 | 中国船舶重工集团公司第七〇九研究所 | Device for testing mechanical performance of metamaterial vibration isolators |
| CN108895105A (en) * | 2018-07-06 | 2018-11-27 | 中国船舶重工集团公司第七〇九研究所 | A kind of adaptive high overload impact isolating structure based on lock energy Meta Materials |
| CN108930746A (en) * | 2018-07-06 | 2018-12-04 | 中国船舶重工集团公司第七〇九研究所 | A kind of Meta Materials vibration isolator with adjustable nonlinear mechanics feature |
| CN112049885A (en) * | 2019-06-06 | 2020-12-08 | 中国船舶重工集团公司第七一九研究所 | Nonlinear metamaterial vibration isolator with quasi-zero rigidity |
| CN113864395A (en) * | 2021-09-06 | 2021-12-31 | 苏州淡珀科技有限公司 | Vibration and noise reduction device for metamaterial |
| CN114726152A (en) * | 2022-06-10 | 2022-07-08 | 季华实验室 | Noise reduction motor |
| CN115263993A (en) * | 2022-07-08 | 2022-11-01 | 天津大学 | Sensor metamaterial vibration isolator for underwater vehicle |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10148236A (en) * | 1996-09-19 | 1998-06-02 | Mitsubishi Heavy Ind Ltd | Vibration control device for multistory parking facility |
| US20090230278A1 (en) * | 2008-03-13 | 2009-09-17 | Rocky Research | Sensor mount assembly |
| CN201461844U (en) * | 2009-06-30 | 2010-05-12 | 武汉船舶设计研究所 | Metal rubber vibration isolator |
| CN102720785A (en) * | 2012-05-29 | 2012-10-10 | 北京航空航天大学 | Internally hollow metal rubber vibration isolator with negative Poisson's ratio characteristic |
| CN102840261A (en) * | 2012-08-31 | 2012-12-26 | 中国舰船研究设计中心 | Laminated metal vibration isolator |
| CN103967987A (en) * | 2014-05-15 | 2014-08-06 | 江苏海事职业技术学院 | Adjustable damping device for ship base |
| CN204300206U (en) * | 2014-08-18 | 2015-04-29 | 张云鹏 | Linear anti-vibration, non-linear resisting strong impact type vibration isolator |
| CN103514873B (en) * | 2013-09-13 | 2015-12-09 | 西安交通大学 | A kind of low frequency vibration isolation composite sandwich structural |
| CN205479070U (en) * | 2016-03-04 | 2016-08-17 | 武汉第二船舶设计研究所 | Ultralow frequency super material isolation mounting that shocks resistance |
-
2016
- 2016-03-04 CN CN201610123969.7A patent/CN105650180B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10148236A (en) * | 1996-09-19 | 1998-06-02 | Mitsubishi Heavy Ind Ltd | Vibration control device for multistory parking facility |
| US20090230278A1 (en) * | 2008-03-13 | 2009-09-17 | Rocky Research | Sensor mount assembly |
| CN201461844U (en) * | 2009-06-30 | 2010-05-12 | 武汉船舶设计研究所 | Metal rubber vibration isolator |
| CN102720785A (en) * | 2012-05-29 | 2012-10-10 | 北京航空航天大学 | Internally hollow metal rubber vibration isolator with negative Poisson's ratio characteristic |
| CN102840261A (en) * | 2012-08-31 | 2012-12-26 | 中国舰船研究设计中心 | Laminated metal vibration isolator |
| CN103514873B (en) * | 2013-09-13 | 2015-12-09 | 西安交通大学 | A kind of low frequency vibration isolation composite sandwich structural |
| CN103967987A (en) * | 2014-05-15 | 2014-08-06 | 江苏海事职业技术学院 | Adjustable damping device for ship base |
| CN204300206U (en) * | 2014-08-18 | 2015-04-29 | 张云鹏 | Linear anti-vibration, non-linear resisting strong impact type vibration isolator |
| CN205479070U (en) * | 2016-03-04 | 2016-08-17 | 武汉第二船舶设计研究所 | Ultralow frequency super material isolation mounting that shocks resistance |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106567900A (en) * | 2016-11-01 | 2017-04-19 | 中国船舶重工集团公司第七〇九研究所 | Metamaterial vibration isolator |
| CN106567900B (en) * | 2016-11-01 | 2018-11-20 | 中国船舶重工集团公司第七一九研究所 | Meta Materials vibration isolator |
| CN106679913A (en) * | 2017-01-17 | 2017-05-17 | 中国船舶重工集团公司第七〇九研究所 | Device for testing mechanical performance of metamaterial vibration isolators |
| CN106679913B (en) * | 2017-01-17 | 2023-06-27 | 中国船舶重工集团公司第七一九研究所 | Metamaterial vibration isolator mechanical property testing device |
| CN108895105A (en) * | 2018-07-06 | 2018-11-27 | 中国船舶重工集团公司第七〇九研究所 | A kind of adaptive high overload impact isolating structure based on lock energy Meta Materials |
| CN108930746A (en) * | 2018-07-06 | 2018-12-04 | 中国船舶重工集团公司第七〇九研究所 | A kind of Meta Materials vibration isolator with adjustable nonlinear mechanics feature |
| CN112049885A (en) * | 2019-06-06 | 2020-12-08 | 中国船舶重工集团公司第七一九研究所 | Nonlinear metamaterial vibration isolator with quasi-zero rigidity |
| CN113864395A (en) * | 2021-09-06 | 2021-12-31 | 苏州淡珀科技有限公司 | Vibration and noise reduction device for metamaterial |
| CN114726152A (en) * | 2022-06-10 | 2022-07-08 | 季华实验室 | Noise reduction motor |
| CN115263993A (en) * | 2022-07-08 | 2022-11-01 | 天津大学 | Sensor metamaterial vibration isolator for underwater vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105650180B (en) | 2017-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105650180A (en) | Ultralow-frequency and shock-resistance metamaterial vibration isolating device | |
| CN102518727B (en) | Totally-closed rigidity adjustable type vibration isolator | |
| CN103398139B (en) | Dish-shaped rubber quasi-zero stiffness vibration isolator | |
| CN204140882U (en) | There is the sealing device for stern tube of pooling feature | |
| CN202402559U (en) | Passive low frequency vibration isolator | |
| US10054187B2 (en) | Liquid-charged antivibration device | |
| CN103939520B (en) | A kind of passive vibration isolation device being applicable to low-frequency vibration | |
| CN104061277A (en) | Metal rubber crystal oscillator damping device | |
| CN105065527A (en) | Air spring vibration isolator with diaphragm | |
| CN111075884B (en) | Shock absorber based on Stewart configuration | |
| CN107178422B (en) | A vibration/noise reduction silence case for diesel generator | |
| CN205479070U (en) | Ultralow frequency super material isolation mounting that shocks resistance | |
| CN104315060A (en) | Triangular stable support type vibration isolator | |
| WO2016175291A1 (en) | Liquid-filled vibration-damping device | |
| Anvar | Numerical and experimental analysis of metamaterials with quasi-zero effect for vibration isolation | |
| CN204651000U (en) | Vehicle-mounted hard disks shock-damping structure | |
| CN210218544U (en) | External bidirectional damping device for inertial navigation unit of unmanned aerial vehicle | |
| CN103016610A (en) | Three-direction metal rubber vibration isolator and array thereof | |
| CN104948650A (en) | Adaptive equal-stiffness vibration isolator based on air floatation and magnetic floatation combination three-directional decoupling | |
| CN205033938U (en) | Oil tank | |
| CN207333541U (en) | Suitable for the damping of ship bearing | |
| CN202628911U (en) | Magnetic shockproof device | |
| CN220342642U (en) | Sensor high-frequency vibration conduction blocking structure for unmanned vehicle controller | |
| US20230349151A1 (en) | Sound absorber and sound absorbing device | |
| CN213354858U (en) | Combined navigation system for assembling tail part of machine body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Hong Inventor after: Wang Xinliang Inventor after: Zhao Zhigao Inventor after: You Zhuo Inventor after: Wang Lei Inventor after: Xiao Qianjin Inventor after: He Peng Inventor after: Zhang Anfu Inventor after: Zhang Mangong Inventor after: Wu Tao Inventor before: Xiao Qianjin Inventor before: Zhang Mangong Inventor before: You Zhuo Inventor before: Chen Hong Inventor before: Zhao Zhigao Inventor before: Wu Tao Inventor before: Wang Xinliang Inventor before: Wang Lei Inventor before: He Peng Inventor before: Zhang Anfu |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |