CN106337594B - Multistage spring granule damper - Google Patents
Multistage spring granule damper Download PDFInfo
- Publication number
- CN106337594B CN106337594B CN201610988353.6A CN201610988353A CN106337594B CN 106337594 B CN106337594 B CN 106337594B CN 201610988353 A CN201610988353 A CN 201610988353A CN 106337594 B CN106337594 B CN 106337594B
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- Prior art keywords
- damper
- inner chamber
- chamber body
- spring assembly
- spring
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention relates to a kind of multistage spring granule damper, including damper outer chamber, damper inner chamber body, inner chamber body spring assembly, outer chamber spring assembly, particle swarm, directional wheel, sliding slot, padded coaming and fixed structure.The inside and outside cavity of damper is rectangular parallelepiped structure, wherein particle swarm damper inner chamber body can be horizontal or/and vertically set up multiple subregions, one layer of metal of tiling or non-metallic particle group in each subregion cavity, padded coaming is pasted with inside inner chamber body, particles collision is helped to consume energy, the frequency of inner chamber body spring assembly and outer chamber spring assembly can be reasonably combined according to architectural characteristic.Under the effects that wind or/and earthquake, the energy of input is eventually transferred by damper inner chamber body by inner chamber body and outer chamber two-stage spring, the fully collision friction of the collision friction and particle of excitation internal cavity endoparticle and particle and internal cavity inner wall, so as to obtain better effectiveness in vibration suppression；Two-stage spring frequency it is reasonably combined, vibration damping frequency band is made to widen significantly.
Description
Technical field
The present invention relates to a kind of multistage spring granule dampers, are shifted by spring energy-storage and by energy, finally with
The multiple impacts of inner chamber body endoparticle and particle, particle and inner wall consume energy, and belong to civil structure vibration control field, can be used for
Skyscraper, tall and slender structure and bridge structure etc..
Background technology
In recent years, due to the rapid development of skyscraper so that the problems such as earthquake vibration, wind-induced vibration has obtained extensive
Pay attention to and study.The passive control technology such as energy-dissipating and shock-absorbing is widely used in reducing skyscraper under earthquake, wind-force effect
Vibratory response, wherein tuned mass damper（TMD）The advantages that having benefited from simple structure, low cost, is most widely used, but its
Also there is certain limitation, it is general only compared with effectively, changing in small frequency ranges to working environment quick first, vibration damping frequency band is narrow
Sense；Second is that control vibration is single, it is impossible to more vibration controls be effectively performed, so tuning traditional for large-scale tall buildings
Mass damper is not optimal vibration absorber.Sufficient momentum-exchange is generated between spring and structure, it can be increased and subtracted
It shakes effect；The in vivo particle of chamber can to greatest extent be absorbed in collision process by spring transfer come system vibration energy
Amount, and pass through and improve intergranular collision probability, the kinetic energy of system is fully consumed, improves damping efficiency.
The content of the invention
The deficiencies of in order to overcome existing tuning quality damper vibration damping frequency band narrow and control the vibration shape single, the present invention provides one
The multistage spring granule damper of kind, this damper are provided with two-stage in the impact damper structure with multi-grid particle vibration damping
Spring assembly realizes higher damping efficiency, to meet the actual demand of civil engineering.
To achieve these goals, the present invention adopts the following technical scheme that.
The present invention relates to a kind of multistage spring granule damper, including damper outer chamber 1, damper inner chamber body 2, inner cavity
Body spring assembly 3, outer chamber spring assembly 4, particle swarm 5, directional wheel 6, sliding slot 7, padded coaming 8, fixed structure 9.Wherein：Resistance
Buddhist nun's device outer chamber 1 is rectangular parallelepiped structure, and bottom is disposed with two sliding slots 7 along its length；Damper inner chamber body 2 is cuboid
Structure, damper inner chamber body 2 are located in damper outer chamber 1, and bottom is equipped with directional wheel 6, and damper inner chamber body 2 passes through orientation
Wheel 6 can slidably reciprocate in 1 inner bottom surface of damper outer chamber；Padded coaming 8 is pasted with inside damper inner chamber body 2, is damped
Several units are divided by horizontal or vertical partition inside device inner chamber body 2, particle swarm 5 is arranged in each unit；Damping
2 one side of device inner chamber body is connected by inner chamber body spring assembly 3 with 1 inner wall of damper outer chamber；1 one side of damper outer chamber passes through
Outer chamber spring assembly 4 is connected with fixed structure 9；The frequency of inner chamber body spring assembly 3 and outer chamber spring assembly 4 can be according to knot
Structure characteristic is reasonably combined；It, will be defeated by inner chamber body spring assembly 3 and outer chamber spring assembly 4 under the effects that wind or/and earthquake
The energy entered is eventually transferred into damper inner chamber body 2, fully between the particle swarm and particle swarm in excitation damper inner chamber body 2
Collision friction between collision friction and particle swarm 5 and 2 inner wall of damper inner chamber body, so as to obtain better effectiveness in vibration suppression；
Inner chamber body spring assembly 3 is reasonably combined with 4 frequency of outer chamber spring assembly, and vibration damping frequency band is made to widen significantly.
In the present invention, the particle swarm 5 is in the bottom surface face that the projected area of horizontal plane is 2 each unit of damper inner chamber body
Long-pending 20% ~ 100%.
In the present invention, the particle swarm 5 is made of several circular granulars, a diameter of 2mm-50mm of circular granular, granular material
Matter is metal or nonmetallic.
In the present invention, the padded coaming 8 is including any one or more in rubber, foamed plastics or knitted cotton, to increase
The dissipated energy of collision.
Compared with prior art, advantages of the present invention is as follows：
1）The advantage of the comprehensive a variety of dampers of the present invention, by a variety of vibration-absorbing mechanisms, reaches good effect, applies model
It encloses wider.Interior outer chamber two-stage spring frequency it is reasonably combined, make that vibration damping frequency band is wider, and effectiveness in vibration suppression is more preferable, tradition is adjusted relatively
For humorous mass damper, the demand of modern civil engineering can be better met.
2）Using the different particle swarm of size, can in point using space, increase intergranular contact friction, also have
Beneficial to the movement of particle, by partly taking small diameter particles, noise level during collision is effectively reduced.
3）Experiment shows that the effectiveness in vibration suppression of variable grain material does not have significant changes, therefore, can be in relatively broad model
Enclose the material of interior selection particle.
4）Damper structure form is simple in the present invention, can set different combination sides according to the characteristics of basic structure
Formula makes damper arrangement position more flexible, suitable for the geological process of different directions, to reach preferable damping effect.
Description of the drawings
Fig. 1 is the multistage spring granule damper front elevation view of the present invention；
Fig. 2 is the multistage spring granule damper side elevational view of the present invention；
Fig. 3 is the multistage spring granule damper top view of the present invention.
Figure label：1 is damper outer chamber, and 2 be damper inner chamber body, and 3 be inner chamber body spring assembly, and 4 be outer chamber
Spring assembly, 5 be particle swarm, and 6 be directional wheel, and 7 be sliding slot, and 8 be padded coaming, and 9 be fixed structure.
Specific embodiment
The specific embodiment that the invention will now be described in detail with reference to the accompanying drawings.
Embodiment 1：As shown in Figure 1, a kind of embodiment of present invention multistage spring granule damper, mainly includes damping
Device outer chamber 1, damper inner chamber body 2, inner chamber body spring assembly 3, outer chamber spring assembly 4, particle swarm 5, directional wheel 6, sliding slot
7th, padded coaming 8 and fixed structure 9.Damper outer chamber 1 is rectangular parallelepiped structure, and two sliding slots are arranged in bottom along its length
7；Damper inner chamber body 2 is rectangular parallelepiped structure, can be slidably reciprocated by directional wheel in external inside cavity bottom surface；Internal cavity
Padded coaming 8 is pasted with inside 2, internal cavity 2 carries out subregion by horizontal or vertical partition, and unit is arranged with particle
Group 5；Particle swarm 5 is made of metal of different sizes or nonmetallic circular granular；Internal cavity by inner chamber body spring assembly 3 with
Outer chamber 1 is connected；External cavity is connected by outer chamber spring assembly 4 with fixed structure 9；Inner chamber body spring assembly 3 and exocoel
The frequency of body spring assembly 4 can be reasonably combined according to architectural characteristic.Under the effects that wind or/and earthquake, by inner chamber body and outside
The energy of input is eventually transferred into damper inner chamber body by cavity two-stage spring, fully excites internal cavity endoparticle and particle
The collision friction of collision friction and particle and 2 inner wall of internal cavity, so as to obtain better effectiveness in vibration suppression；Two-stage spring frequency
Rate it is reasonably combined, vibration damping frequency band is made to widen significantly.
Its exterior cavity and internal cavity are formed by steel plate welding processing, are arranged on each unit of inner chamber body several
Particle, internal cavity inner wall, bottom surface and partition plate are covered with padded coaming.Inner chamber body is connected by spring assembly with external cavity,
And it can do in external cavity bottom and unidirectionally slidably reciprocate.External cavity is connected by one group of spring assembly with structure, in exocoel
Body bottom sets sliding slot so that external cavity can slidably reciprocate along orbital direction.Internal cavity and external cavity spring
Frequency is rationally set according to architectural characteristic, can widen the vibration damping frequency band of the present apparatus significantly.
Claims (4)
1. a kind of multistage spring granule damper, including damper outer chamber（1）, damper inner chamber body（2）, inner chamber body spring dress
It puts（3）, outer chamber spring assembly（4）, particle swarm（5）, directional wheel（6）, sliding slot（7）, padded coaming（8）And fixed structure（9）；
It is characterized in that：Damper outer chamber（1）For rectangular parallelepiped structure, bottom is disposed with two sliding slots along its length（7）；Damping
Device inner chamber body（2）For rectangular parallelepiped structure, damper inner chamber body（2）In damper outer chamber (1), bottom is equipped with directional wheel
（6）, damper inner chamber body（2）Pass through directional wheel（6）In damper outer chamber（1）Inner bottom surface slidably reciprocates；Damper inner cavity
Body（2）Inside is pasted with padded coaming（8）, damper inner chamber body（2）Inside is divided into several lists by horizontal or vertical partition
Member, each unit are arranged with particle swarm（5）；Damper inner chamber body（2）One side passes through inner chamber body spring assembly（3）With damper
Outer chamber（1）Inner wall is connected；Damper outer chamber（1）One side passes through outer chamber spring assembly（4）With fixed structure（9）It is connected；
Inner chamber body spring assembly（3）With outer chamber spring assembly（4）Frequency it is reasonably combined according to architectural characteristic；In wind or/and earthquake
Under effect, pass through inner chamber body spring assembly（3）With outer chamber spring assembly（4）The energy of input is eventually transferred into damper
Cavity（2）, fully in the collision friction and particle swarm and damper of the in vivo particle swarm in excitation damper inner cavity and particle swarm
Cavity（2）The collision friction of inner wall, so as to obtain better effectiveness in vibration suppression；Inner chamber body spring assembly（3）It is filled with outer chamber spring
It puts（4）Frequency it is reasonably combined, vibration damping frequency band is made to widen significantly.
2. multistage spring granule damper according to claim 1, it is characterised in that：Particle swarm（5）In the throwing of horizontal plane
Shadow area is the 20% ~ 100% of each unit base area of damper inner chamber body.
3. multistage spring granule damper according to claim 1, it is characterised in that：Particle swarm（2）By several circular
Grain composition, a diameter of 2mm-50mm of circular granular, particle material are metal or nonmetallic.
4. multistage spring granule damper according to claim 1, it is characterised in that：The padded coaming（8）For rubber,
It is any one or more in foamed plastics or knitted cotton, collide dissipated energy to increase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988353.6A CN106337594B (en) | 2016-11-10 | 2016-11-10 | Multistage spring granule damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610988353.6A CN106337594B (en) | 2016-11-10 | 2016-11-10 | Multistage spring granule damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106337594A CN106337594A (en) | 2017-01-18 |
| CN106337594B true CN106337594B (en) | 2018-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610988353.6A Expired - Fee Related CN106337594B (en) | 2016-11-10 | 2016-11-10 | Multistage spring granule damper |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930425B (en) * | 2017-04-14 | 2018-12-04 | 同济大学 | Suspension nested tunes liquid particles damper |
| CN107323542B (en) * | 2017-06-30 | 2019-04-02 | 武汉科技大学 | Semi-active type cab mounting isolation mounting |
| CN107905604A (en) * | 2017-08-14 | 2018-04-13 | 同济大学 | The ground brick granule damper suppressed suitable for skyscraper horizontal vibration |
| CN108385509B (en) * | 2018-01-18 | 2019-06-11 | 同济大学 | Particle swarm idler wheel cooperates with tuned damper |
| CN108547496B (en) * | 2018-03-30 | 2020-04-10 | 同济大学 | Composite magnetic rheological fluid particle damper |
| CN108625285A (en) * | 2018-06-14 | 2018-10-09 | 华东交通大学 | A kind of novel bridge damper structure |
| CN111075046B (en) * | 2019-12-31 | 2021-05-11 | 同济大学 | Volume-variable particle damper |
| CN111288113B (en) * | 2020-02-12 | 2020-11-03 | 中国地震局工程力学研究所 | Wide-frequency stable mechanical vibration reduction support of multiple tuned mass dampers |
| CN112096775B (en) * | 2020-09-23 | 2021-09-03 | 同济大学 | Constant-pressure piston type particle damper |
| CN113374105B (en) * | 2021-06-18 | 2022-08-02 | 中铁大桥局集团有限公司 | Common-mass multi-frequency tuning mass damping device and parameter design method thereof |
| CN115405007B (en) * | 2022-09-13 | 2024-06-11 | 西安热工研究院有限公司 | Nonlinear hybrid energy-consumption vibration damper |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05133139A (en) * | 1991-11-12 | 1993-05-28 | Fujita Corp | Damping device having sound insulating layer |
| CN202000509U (en) * | 2011-03-09 | 2011-10-05 | 北京工业大学 | Composite sealed damping control device for tuned mass damper |
| CN203174802U (en) * | 2013-04-08 | 2013-09-04 | 上海大学 | Three-dimensional multi-frequency tuned mass damper |
| CN203891246U (en) * | 2014-06-13 | 2014-10-22 | 山东大学 | Bidirectional frequency modulation and collision energy consumption vibration damper |
| CN104453004B (en) * | 2014-12-08 | 2016-08-24 | 同济大学 | A kind of mixing energy-eliminating shock-absorbing damping unit |
| CN105863097B (en) * | 2016-05-11 | 2017-12-26 | 同济大学 | Non-liner track formula cooperates with tuned damper |
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2016
- 2016-11-10 CN CN201610988353.6A patent/CN106337594B/en not_active Expired - Fee Related
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