CN204252309U - Can automatic homing granule damper - Google Patents
Can automatic homing granule damper Download PDFInfo
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- CN204252309U CN204252309U CN201420581528.8U CN201420581528U CN204252309U CN 204252309 U CN204252309 U CN 204252309U CN 201420581528 U CN201420581528 U CN 201420581528U CN 204252309 U CN204252309 U CN 204252309U
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- damper
- cavity
- slide block
- slideway
- particle swarm
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Abstract
The utility model relates to one can automatic homing granule damper, comprises damper cavity, particle swarm, padded coaming and multi-stage friction pendulum bearing.Damper cavity is cylinder or cuboid, it can be single cavity, also can in level or/and vertically set up multiple subregion, tiling one deck particle swarm in each subregion cavity, cavity inner wall is pasted with padded coaming, help particles collision consumes energy, and by damper cavity being fixed on multi-stage friction pendulum bearing, bearing is made up of multistage variable curvature slide plane, multiple slide block and dead bolt plate.Damper cavity is fixed on the multi-stage friction pendulum bearing of four, bottom, and between the base and cover plate of friction pendulum, arranges stopping means, with the swing preventing it excessive.At wind or/and earthquake etc. effect under this damper can with agent structure motion and move, tunable agent structure natural frequency on the one hand, on the other hand by the vibrational energy of the friction of particle swarm, rolling, slip, collision transfer and dissipative structure, the effect of power consumption after adding padded coaming, especially can be increased.
Description
Technical field
The utility model belongs to field of civil engineering, being specially one is fixed on multi-stage friction pendulum bearing, by particles collision damping is provided can automatic homing granule damper, civil structure (comprising highrise building, tall and slender structure and bridge construction etc.) vibration isolation field can be applied to.
Background technology
Friction pendulum support has simple structure, compact conformation, the flexible advantage of rotation, be widely used in the vibration isolation field of civil structure (comprising highrise building, tall and slender structure and bridge construction etc.), such as, be installed on constructure body structure and basic junction, bridge pad place.Can extending structure natural vibration period through well-designed arc sliding face, play cushioning effect; Slide plane friction factor through appropriate design can play again good power consumption effect.But independent friction pendulum support decides because of the requirement for installation site the vibration isolation field that it can not be applied to a lot of existing building, simultaneously because single-stage friction pendulum slip radius fixedly causes friction energy-dissipating ability to have a definite limitation.
Recently, particle damping due to concept simple, with low cost, be applicable to the adverse circumstances such as high temperature, radiation, corrosion, can also utilize cavity ready-made or subsidiary in structure, its damping action does not also limit by direction.These advantages are that the extensive use of particle damping in engineering practice provides possibility.But granule damper also has the restriction of himself deficiency, the collision of such as particle and cavity mostly is elastic collision, and energy by collision is limited in one's ability; Traditional granule damper endoparticle is stacked, and significantly limit the locomitivity of particle like this, and effectiveness in vibration suppression is not good.
Multi-stage friction can be put bearing and is combined with granule damper by automatic homing granule damper by the utility model, can damper be positioned on structure, effectively can utilize space, accomplish to have complementary advantages, and adopt improvement bearing to be multi-stage friction pendulum bearing, formed a kind of easy for installation, cheap, energy dissipation capacity is good, the On A Retrofitted Damper of excellent durability, has great engineering significance.
Utility model content
The purpose of this utility model is to propose one can automatic homing granule damper, this device puts the respective advantage of bearing and granule damper in conjunction with multi-stage friction, and improved, separate by damper cavity, only one deck particle swarm is held in each cavity, ensure the locomitivity playing particle swarm to greatest extent, and paste padded coaming at cavity inside, strengthen the energy dissipation capacity of collision.The utility model has abandoned common single-stage friction pendulum support, use multi-stage friction pendulum bearing instead, the moving radius of damper can be increased, increase friction energy-dissipating, by damper cavity body being fixed on the multi-stage friction pendulum bearing in four bights, cavity just can swing on circular arc slideway with friction pendulum support cover plate.The design in the special joint of slide block and cover plate can ensure that damper cavity remains level in motion process, and the motion of this damper is not by the constraint in direction, all has oscillation damping and energy dissipating effect to the vibration of any direction.Meanwhile, the collision not only between particle, between particle and damper cavity, friction can dissipation energy, and in multi-stage friction pendulum bearing swing process, the friction between slide block and slideway also can dissipate vibrational energy.The arranging of stopping means can ensure damper at superpower wind or/and under action of strong earthquake, is unlikely to the excessive and impact structure of amplitude of fluctuation and produces and destroy.
To achieve these goals, the utility model takes following technical scheme.
What the utility model proposes can automatic homing granule damper, comprise damper cavity 1, particle swarm 2, padded coaming 3 and multi-stage friction pendulum bearing 4, damper cavity 1 is cylinder or cuboid cavity, damper cavity 1 is one or more, the horizontal or vertical direction of multiple damper cavity 1 is arranged, each damper cavity 1 inside tiling one deck particle swarm 2, damper cavity 1 inwall is pasted with padded coaming 3, wherein: bottom damper cavity 1, surrounding is fixed on four multi-stage friction pendulum bearings 4 respectively, can keep level when damper cavity 1 is globally slided with slide block, each multi-stage friction pendulum bearing (4) is by cover plate 5, base 7, first slide block 8, first slideway 9, stopping means 10, second slide block 11 and the second slideway 12 form, cover plate 5 and base 7 positioned opposite, its both sides are connected by two dead bolt plates 6, cover plate 5 bottom part down and base (7) over top all have the first concave ball shape, described first concave ball shape surface forms two the first slideways 9, described first slide block 8 is positioned on the first slideway 9, two pieces of relative first slide blocks 8 all have the second concave ball shape, described second concave ball shape surface forms two the second slideways 12, two the second slideways 12 are provided with the second slide block 11, the two ends of described second slide block 11 lay respectively on two the second slideways 12, between cover plate 5 and base 7, junction is provided with stopping means 10.
In the utility model, described particle swarm 2 is made up of some spheric granules, one or more in steel ball, concrete ball, glass marble or Ceramic Balls, particle swarm 2 is 40% ~ 80% of damper cavity 1 horizontal area in horizontal plane projected area, and particle swarm 2 volume is 5% ~ 20% of damper cavity 1 volume.
In the utility model, described padded coaming 3 adopts any one or several in rubber, foamed plastics or expanded polyethylene foam.To increase energy by collision ability.
In the utility model, described first slide block 8 and the first slideway 9 contact position scribble composite friction material, and described first slide block 8 is identical with the radius of the first slideway 9.
In the utility model, described second slide block 11 and the second slideway 12 contact position scribble composite friction material, and described second slide block 11 is identical with the radius of the second slideway 12.
In the utility model, adopt four multi-stage friction pendulum bearings 4, be positioned over four bights bottom damper cavity 1.Four multi-stage friction pendulum bearing 4 models are identical, can play damping effect to the vibration of horizontal any direction.
In the utility model, stopping means 10 is set between the cover plate 5 and base 7 of multi-stage friction pendulum bearing 4.Do not work under this stopping means 10 has thin tail sheep, the function that pulling force prevents amplitude of fluctuation excessive is provided under Large travel range.
Effect of the present utility model is: the collision of particle swarm is moved by damper cavity and excites, and the frequency of damper provides primarily of multi-stage friction pendulum bearing, and by arranging stopping means to adjust.Multi-stage friction pendulum bearing can provide level to the swing of any direction, so the vibration of this damper to horizontal any direction has effectiveness in vibration suppression, and due to the multi-stage friction pendulum bearing adopted, the obvious utility model of moving radius of granule damper increases, and sliding friction power consumption obviously increases.Adopt the method for additional cushion material, increase particle and cavity collide the energy consumed, and improve energy efficiency.The utility model structural form is simple, the particle of reliable durable cheapness is adopted to provide carrier as additional damping, in conjunction with the advantage of tuned mass damper and granule damper, the friction of being put bearing by frequency modulation mass, particles collision and friction, multi-stage friction carrys out consumed energy, reduce the cost of conventional damper, thus applicability and economy stronger.
Accompanying drawing explanation
Fig. 1 is can the positive elevational schematic view of automatic homing granule damper;
Fig. 2 is can the floor map of automatic homing granule damper;
Fig. 3 be can automatic homing granule damper partly cut open floor map;
Fig. 4 is can the elevational schematic view of automatic homing granule damper bearing;
Number in the figure: 1-damper cavity, 2-particle swarm, 3-padded coaming, 4-multi-stage friction pendulum bearing, 5-cover plate, 6-dead bolt plate, 7-base, the 8-the first slide block, the 9-the first slideway, 10-stopping means, the 11-the second slide block, the 12-the second slideway.
Detailed description of the invention
Detailed description of the invention of the present utility model is described in detail below in conjunction with accompanying drawing.
Embodiment 1: as Fig. 1-Fig. 4 damper cavity 1, particle swarm 2, padded coaming 3 and multi-stage friction pendulum bearing 4.Multi-stage friction pendulum bearing is made up of cover plate 5, base 7, first slide block 8, first slideway 9, stopping means 10, second slide block 11 and the second slideway 12.Wherein: the first slideway 9, second slideway 12 of multi-stage friction pendulum bearing 4 is the concave ball shape surface of stainless steel material making, and scribble composite friction material in the first slide block 8, second slide block 11 bottom surface, produce frictional force when the first slide block 8 or the second slide block 11 slide on the first slideway 9 or the second slideway 12 and assist consumed energy, friction material often adopts polytetrafluoroethylene (PTFE) (PTFE), first slide block 8 bottom surface radius is identical with bottom first slideway 9 radius, and the second slide block 11 bottom surface radius is identical with bottom second slideway 12 radius.Fix four multi-stage friction pendulum bearings 4 at damper cavity 1 time corner place respectively, thus can level be kept when damper cavity 1 is globally slided with slide block.Damper cavity 1 is cuboid or cylindrical cavity.Damper cavity 1 can be one or more, and multiple damper cavity 1 can be arranged in horizontal or vertical direction, and each cavity 1 inside tiling one deck particle swarm 2, damper cavity 1 inwall is pasted with padded coaming 3.Damper cavity 1 is fixed on the cover plate 5 of four multi-stage friction pendulum bearings 4, is provided with stopping means 10, to prevent it, excessive swing occurs between cover plate 5 and base 7.At wind or/and under geological process, this device can be in the horizontal direction, vibrate along multiple directions, on the one hand by tuning structure natural frequency, on the other hand by the kinetic energy of the rolling of particle swarm 2, slip, friction, collision transfer and dissipative structure, pasting padded coaming 3 can increase the energy that collision dissipates.And for multi-stage friction pendulum bearing, the frictional force produced when the first slide block 8 or the second slide block 11 slide on the first slideway 9 or the second slideway 12 also can consumed energy.
Damper cavity 1 is by the cuboid cavity of the thick Plate Welding of 5mm ~ 10mm, at inwall and the bottom surface stickup padded coaming 3 of cavity.Padded coaming 3 can use the materials such as rubber, foamed plastics or expanded polyethylene foam to make, and thickness is at about 5mm.Damper cavity 1 is fixed on the cover plate 5 of four multi-stage friction pendulum bearings 4, and cover plate 5 times company first slide block 8, first slide blocks 8 swing along circular arc first slideway 9.The radius of curvature of Frequency Design first slideway 9 as requested, makes damper frequency and structure frequency coordinate.Stopping means 10 does not work under thin tail sheep, provides the tie-down cable compared with high-tensile strength during Large travel range.In one or more damper cavity 1, put one deck particle swarm 2, particle swarm 2 should be 40% ~ 80% of damper cavity 1 horizontal area in horizontal plane projected area, and the volume of particle swarm 2 should be 5% ~ 20% of damper cavity 1 volume.In transport damper process, can prevent the swing of damper by installing dead bolt plate 6, dead bolt plate 6 requires to have certain bending stiffness, is in use removed by dead bolt plate 6 and just can realize swinging.
Claims (5)
1. can automatic homing granule damper, comprise damper cavity (1), particle swarm (2), padded coaming (3) and multi-stage friction pendulum bearing (4), damper cavity (1) is cylinder or cuboid cavity, damper cavity (1) is one or more, the horizontal or vertical direction of multiple damper cavity (1) is arranged, each damper cavity (1) inside tiling one deck particle swarm (2), damper cavity (1) inwall is pasted with padded coaming (3), it is characterized in that: damper cavity (1) bottom surrounding is fixed on four multi-stage frictions pendulum bearing (4) respectively, can keep level when damper cavity (1) is globally slided with slide block, each multi-stage friction pendulum bearing (4) is by cover plate (5), base (7), first slide block (8), first slideway (9), stopping means (10), second slide block (11) and the second slideway (12) composition, cover plate (5) and base (7) positioned opposite, its both sides are connected by two dead bolt plates (6), cover plate (5) bottom part down and base (7) over top all have the first concave ball shape, described first concave ball shape surface forms two the first slideways (9), described first slide block (8) is positioned on the first slideway (9), two pieces of relative first slide blocks (8) all have the second concave ball shape, described second concave ball shape surface forms two the second slideways (12), two the second slideways (12) are provided with the second slide block (11), the two ends of described second slide block (11) lay respectively on two the second slideways (12), between cover plate (5) and base (7), junction is provided with stopping means (10).
2. according to claim 1 can automatic homing granule damper, it is characterized in that described particle swarm (2) is made up of some spheric granules, it is the one in steel ball, concrete ball, glass marble or Ceramic Balls, particle swarm (2) is 40% ~ 80% of damper cavity (1) horizontal area in horizontal plane projected area, and particle swarm (2) volume is 5% ~ 20% of damper cavity (1) volume.
3. according to claim 1 can automatic homing granule damper, it is characterized in that described padded coaming (3) adopts any one in rubber, foamed plastics or expanded polyethylene foam.
4. according to claim 1 can automatic homing granule damper, it is characterized in that described first slide block (8) and the first slideway (9) contact position scribble composite friction material, described first slide block (8) is identical with the radius of the first slideway (9).
5. according to claim 1 can automatic homing granule damper, it is characterized in that described second slide block (11) and the second slideway (12) contact position scribble composite friction material, described second slide block (11) is identical with the radius of the second slideway (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581528.8U CN204252309U (en) | 2014-10-10 | 2014-10-10 | Can automatic homing granule damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581528.8U CN204252309U (en) | 2014-10-10 | 2014-10-10 | Can automatic homing granule damper |
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| Publication Number | Publication Date |
|---|---|
| CN204252309U true CN204252309U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420581528.8U Expired - Fee Related CN204252309U (en) | 2014-10-10 | 2014-10-10 | Can automatic homing granule damper |
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| CN (1) | CN204252309U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297618A (en) * | 2015-09-12 | 2016-02-03 | 宁波大学 | Curved surface hinged sliding friction-roller rolling friction combination isolation bearing |
| CN107012787A (en) * | 2017-04-09 | 2017-08-04 | 北京工业大学 | It is a kind of to match somebody with somebody particles filled spacing Seismic Design of Continuous Girder Bridges self-locking bearing using multistage |
| CN110219381A (en) * | 2019-07-03 | 2019-09-10 | 安徽工程大学 | A kind of lift granular pattern energy by collision damper |
| CN110454538A (en) * | 2019-07-05 | 2019-11-15 | 同济大学 | A kind of combined type nesting piezo-electric damping device for floatation type offshore wind generating |
| CN110219381B (en) * | 2019-07-03 | 2024-04-26 | 安徽工程大学 | Lifting particle type collision energy dissipation damper |
-
2014
- 2014-10-10 CN CN201420581528.8U patent/CN204252309U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105297618A (en) * | 2015-09-12 | 2016-02-03 | 宁波大学 | Curved surface hinged sliding friction-roller rolling friction combination isolation bearing |
| CN105297618B (en) * | 2015-09-12 | 2017-03-08 | 宁波大学 | A kind of curved surface cuts with scissors sliding friction roller bearing rolling friction combined isolation bearing |
| CN107012787A (en) * | 2017-04-09 | 2017-08-04 | 北京工业大学 | It is a kind of to match somebody with somebody particles filled spacing Seismic Design of Continuous Girder Bridges self-locking bearing using multistage |
| CN107012787B (en) * | 2017-04-09 | 2019-02-26 | 北京工业大学 | It is a kind of to utilize the multistage self-locking support of Seismic Design of Continuous Girder Bridges for matching particles filled limit |
| CN110219381A (en) * | 2019-07-03 | 2019-09-10 | 安徽工程大学 | A kind of lift granular pattern energy by collision damper |
| CN110219381B (en) * | 2019-07-03 | 2024-04-26 | 安徽工程大学 | Lifting particle type collision energy dissipation damper |
| CN110454538A (en) * | 2019-07-05 | 2019-11-15 | 同济大学 | A kind of combined type nesting piezo-electric damping device for floatation type offshore wind generating |
| CN110454538B (en) * | 2019-07-05 | 2020-11-27 | 同济大学 | Composite nested piezodamper for floating offshore wind driven generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20171010 |