CN202298447U - Micro particle damping support - Google Patents
Micro particle damping support Download PDFInfo
- Publication number
- CN202298447U CN202298447U CN2011203317284U CN201120331728U CN202298447U CN 202298447 U CN202298447 U CN 202298447U CN 2011203317284 U CN2011203317284 U CN 2011203317284U CN 201120331728 U CN201120331728 U CN 201120331728U CN 202298447 U CN202298447 U CN 202298447U
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- microparticle
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- upper base
- seat board
- block
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Abstract
The utility model relates to a micro particle damping support. The micro particle damping support comprises upper and lower seat plates, stop blocks, buffer plates, a middle plate, an abrasion reducing plate, a sliding short column, and a micro particle damping system device (comprising a fixed block, a micro particle damping material and a sliding sleeve). A micro particle damping system is arranged on each of two transverse sides of the lower seat plate, the fixed block is reliably connected with the lower seat plate, the sliding sleeve is arranged on the fixed block, the micro particle damping material is filled in the sliding sleeve, the upper end of the sliding short column is assembled with the upper seat plate, and the lower end of the sliding short column is assembled with the sliding sleeve. By the support, friction energy dissipation and micro particle damping energy dissipation can simultaneously play roles under the action of an earthquake, so that earthquake response can be effectively reduced; when large longitudinal horizontal displacement exceeds the limitation, the longitudinal stop block is in contact with the lower seat plate to limit continuous displacement of the upper structure; and when the transverse motion displacement value of the support exceeds a design value, the transverse stop block is in contact with the lower seat plate to start limiting, so that the phenomenon of transverse limiting failure caused by vertical combined vibration is avoided.
Description
Technical field
The utility model belongs to civil engineering, earthquake engineering technical field, is specifically related to a kind of novel vibration absorption and isolation support that friction energy-dissipating, damping energy dissipation effect are combined: be particularly related to a kind of microparticle damping shock absorption bearing.
Background technology
In recent decades, vibration absorption and isolation support subtracts the important measures of shock insulation as bridge, has obtained increasing attention, and has obtained great development.Pot rubber bearing, lead core rubber support, FPS (friction pendulum hammer body system) have progressively obtained using widely, and become the main flow of domestic and abroad bridge bearing.In several kinds of vibration absorption and isolation supports, pot rubber bearing is when meeting with earthquake or great vibratility and impact, and the horizontal movement between the upper and lower seat board can not get efficient buffer; The lead core rubber support energy dissipation capacity is strong; The order of seats internal force that temperature, the deformation of creep such as creep cause is less; But the cutting performance of bearing receives the influence of vertical load bigger; And along with the increase of lead for retractable pencil, the bearing automatic recovery ability weakens gradually, can not in the earthquake motion with multiple spectra effect, effectively subtract shock insulation; Strong, the friction energy-dissipating stable performance of the automatic recovery ability of FPS (friction pendulum hammer body system), but in the process of friction energy-dissipating, can cause the vertical displacement of beam-ends and produce time internal force.
All deficiencies in view of above-mentioned dissimilar bearings existence; We are on the basis of common spherical bearing, benzvalene form aseismatic bearing; In conjunction with damper device principle that in the large bridge seismic design, often adopts at present and novel microparticle damping material, a kind of microparticle damping shock absorption of concept design bearing.
At present domestic benzvalene form aseismatic bearing commonly used, ball steel vibration absorption and isolation support under geological process, rely on when sliding each other between the upper and lower seat board friction energy-dissipating at the contact surface place, thereby consume the energy of earthquake, reduce the earthquake response of structure, play the effect that subtracts shock insulation.But such scheme still comes with some shortcomings, and when meeting with earthquake or great vibratility and impact, only relies on friction energy-dissipating, and the horizontal movement between the upper and lower seat board can not get efficient buffer.Therefore, be necessary the bridge pad in the prior art is done further to improve.
Summary of the invention
The purpose of the utility model is to provide a kind of microparticle damping shock absorption bearing that can cushion the horizontal movement between the upper and lower seat board of severe earthquake action undersetting effectively and can effectively consume energy.
For reaching above purpose, the solution that the utility model adopts is: the advantage of benzvalene form aseismatic bearing (or ball steel shock mount) before absorbing, adopt friction energy-dissipating, and reduce earthquake response; Adopt microparticle damping energy dissipation simultaneously on this basis, reduce earthquake response with the friction energy-dissipating co-operation; Adopt vertical block, horizontal block is adopted in spacing bearing length travel, and spacing bearing lateral displacement strengthens shock resistance and quake-resistant safety coefficient.
The microparticle damping shock absorption bearing that the utility model proposes; Comprise that having pedestal and pedestal has following seat board, the upper base plate in a chamber and be stacked and placed on first buffer board, intermediate plate, wearing plate and second buffer board in the said seat chamber successively; Also include slip short column, vertical block, horizontal block and microparticle damping system; Each anchoring of vertical down either side of said upper base plate has one group of vertical block; Each anchoring of horizontal every side-lower of said upper base plate has one group of horizontal block, and the height of vertical block and horizontal block all should be able to guarantee when bearing is shifted, can suitable contacting be arranged with following seat board; Said microparticle damping system is arranged on down the seat board both lateral sides, and said microparticle damping system comprises fixed block, microparticle damping material and sliding sleeve; Fixed block is symmetrically fixed on down the seat board top; The sliding sleeve two ends are installed on respectively on the fixed block, and the microparticle damping material is filled in the sliding sleeve, upper base plate both sides fluting; The upper end of slip short column is fixed in the groove of upper base plate, and the lower end and the sliding sleeve of slip short column are fixed.
In the utility model, said particle damping material is made up of metal, small metal particles or other composite materials is processed.
In the utility model, said vertical block inboard is bonded with the 3rd buffer board.
In the utility model, laterally the block inboard is bonded with the 4th buffer board.
In the utility model, be provided with sealing ring between said first buffer board and the intermediate plate, said intermediate plate constitutes a slide plate chamber towards a surface of said wearing plate.
In the utility model, four bights of following seat board respectively offer down the seat board bolt hole, and following seat board is fixed through following seat board bolt and the built-in fitting on following seat board bolt hole and the bridge pier.
In the utility model, four bights of upper base plate respectively offer the upper base plate bolt hole, and upper base plate is fixed through upper base plate bolt and upper base plate bolt hole and girder bottom surface.
In the utility model, the shape of said upper base plate, following seat board, block is cuboid.
In the utility model, the 3rd buffer board is a rubber tile, is bonded in the block inboard through macromolecule polymeric material.
In the utility model, be provided with sealing ring between said first buffer board and the intermediate plate, said first buffer board is a rubber tile, and said intermediate plate constitutes a slide plate chamber towards a surface of said wearing plate, and intermediate plate is a steel plate.
In the utility model, said wearing plate is located in the described slide plate chamber, and wearing plate is polyfluortetraethylene plate or high molecular abrasion-proof plate.
In the utility model, said second buffer board is a corrosion resistant plate.
In the utility model, during use, this microparticle damping shock absorption bearing is fixed by bolt that passes down four bight bolts hole of seat board and the built-in fitting on the bridge pier.
The advantage of the technical scheme that the utility model provides:
1) given full play to the advantage of benzvalene form aseismatic bearing (or ball steel shock mount), under the vertical load effect that beam-ends transmits, vertical bearing capacity is big; Beam-ends rotates flexibly; The friction energy-dissipating stable performance.
2) under geological process, when bearing slided, friction energy-dissipating and microparticle damping energy dissipation played a role simultaneously, have effectively reduced the earthquake response of structure, have strengthened its shock resistance.Wherein the microparticle damping system plays one's part to the full; Fill the metal or the nonmetal granule of right quantity in the quill, when the slip of bearing drives the slip of slip short column, cause between the microparticle and microparticle in the cavity, constantly bump and friction between microparticle and the barrel; Carry out momentum-exchange; Consume the structural vibrations energy, thereby structural vibrations is decayed rapidly, reach the purpose of damping.
3) to compare advantage with the supporting use of conventional damper+bearing outstanding for microparticle damping shock absorption bearing: friction energy-dissipating and damping energy dissipation are combined, avoided before with bearing and damper the two as two supporting uses of parts, good economy performance; Adopted microparticle damping material (metal or nonmetal granule) can significantly improve structural damping, and through coming to adjust flexibly structural damping through adopting different microparticle damping materials; Can adapt to rugged environment (such as high temperature, severe cold etc.), durability is strong.
4) when the bearing displacement surpasses permissible value, block is participated in the displacement of restriction bearing.Through the position of appropriate design block, improved the spacing ability of bearing, strengthened shock resistance.
5) can effectively control three direction displacement, can improve especially have that vertical combination vibration possibly cause in length and breadth to spacing failure phenomenon.
In a word, the utility model is applicable on the building of railway bridge, road bridge, urban viaduct and various large-scale suspension frame structures and so on, plays cushioning effect.
Description of drawings
Fig. 1 is the horizontal enforcement package assembly diagram of the utility model.
Fig. 2 implements the package assembly diagram longitudinally for the utility model.
Fig. 3 is the vertical view of the utility model structure.
Label among the figure: 1 is following seat board, and 2 is upper base plate, and 3 is first buffer board, and 4 is intermediate plate, and 5 is wearing plate; 6 is second buffer board, 7 slip short columns, and 8 is vertical block, and 9 is the microparticle damping material, and 10 is the slide plate chamber; 11 is the 3rd buffer board, and 12 are following seat board bolt hole, 13 damping system fixed blocks, and 14 is horizontal block; 15 are following seat board bolt, and 16 is the upper base plate bolt, 17 damping system sliding sleeves, and 18 is sealing ring; 19 is pedestal, and 20 is the 4th buffer board, and 21 is the seat chamber, and 22 is the upper base plate bolt hole.
The specific embodiment
Can be expressly understood the technical spirit and the beneficial effect of the utility model more for the auditor that the makes Patent Office especially public; The applicant general combines accompanying drawing to elaborate with the mode of embodiment below; But the description to embodiment all is not the restriction to the utility model scheme, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be regarded as the category of the utility model.
Embodiment 1: ask for an interview Fig. 1 and Fig. 2, the following seat board 1 of a rectangle is fixed with the bridge pier of bridge under user mode, respectively offers seat board bolt hole 12 down in four bights of following seat board 1 for this reason, and using down, seat board bolt 15 will descend seat board 1 and the built-in fitting on the bridge pier to fix.Following seat board 1 towards on the central authorities of a side hollow out the seat chamber 21 that is formed with a ring-type, in this chamber 21, set gradually first buffer board 3, intermediate plate 4, wearing plate 5 and second buffer board 6 from bottom to up.First buffer board 3 is a rubber tile, and intermediate plate 4 is a steel plate, and wearing plate 5 is polyfluortetraethylene plate or high molecular abrasion-proof plate, and second buffer board 6 is a corrosion resistant plate.Wherein, between first buffer board 3 and intermediate plate 4, be provided with sealing ring 18, and intermediate plate 4 is formed with a slide plate chamber 10, wearing plate 5 is positioned at this slide plate chamber 10.
The upper base plate 2 of one rectangle, fixing with the girder bottom surface (the beam body of also claiming bridge) of bridge under user mode, respectively offer upper base plate bolt hole 22 in four bights of upper base plate 2 for this reason, with upper base plate bolt 16 upper base plate 2 and girder bottom surface are fixed.
Illustrate jointly by Fig. 1 and Fig. 2, be provided with vertical block 8, this vertical block 8 and upper base plate 2 positive connection in upper base plate 2 vertical both sides; Simultaneously be provided with horizontal block 14, this horizontal block 14 and upper base plate 2 positive connection in upper base plate 2 both lateral sides.
Vertically block 8 is anchored on the upper base plate 2, and its height should be able to guarantee when the bearing vertical shift, can suitable contacting be arranged with following seat board 1, so that can be successful spacing.The 3rd buffer board 11 is bonded in vertical block 8 inboards with the organic polymer binding material.
Laterally block 14 is anchored on the upper base plate 2; Its height should be able to guarantee when the bearing transverse shift, can suitable contacting be arranged with following seat board 1; So that the generation of effectively anti-falling stop beam; Laterally the position of block 14 should confirm that the 4th buffer board 20 is bonded in horizontal block 14 inboards with the organic polymer binding material according to the maximum transversal level in-migration that the upper and lower seat board design of bearing allows.
Be arranged on seat board 1 both lateral sides down as the main technical points of the utility model in the microparticle damping system; Damping system fixed block 13 and following seat board 1 positive connection; Damping system sliding sleeve 17 is installed on the fixed block, and microparticle damping material (metal or nonmetal granule) is filled in sliding sleeve 17 the insides, and the upper end and the upper base plate 2 of the short column 7 that slides simultaneously assemble; The lower end and the sliding sleeve of slip short column assemble; The inner sleeve of sliding sleeve is fixed on the fixed block in the sliding process, and the outer sleeve stub that and then slides slides together, and the slip stub stirs the microparticle damping material; The outer sleeve of sliding sleeve will combine with inner sleeve, prevents leaking outside of microparticle damping material in the sliding process.
Under geological process, when bearing slided, friction energy-dissipating and microparticle damping energy dissipation played a role simultaneously, have effectively reduced the earthquake response of structure, have strengthened its shock resistance of bridge.In addition; When bearing surpassed certain design load at the lengthwise movement shift value, the buffer board 11 on vertical block 8 contacts beginning with following seat board spacing, meanwhile; When bearing surpassed certain design load at the transverse movement shift value, the buffer board 20 on the horizontal block 14 contacts beginning with following seat board spacing.
As a kind of conversion of the embodiment of the invention, the bearing that cooperates with microparticle damping system device can adopt pot bearing, spherical bearing, also can adopt other types and index.
As another conversion of the embodiment of the invention, said microparticle damping system device planar both lateral sides is arranged the energy dissipation capacity of bearing when mainly strengthening longitudinal sliding motion; Also can arrange the energy dissipation capacity of bearing when mainly strengthening laterally slip in vertical both sides; Also can arrange simultaneously to both sides in length and breadth simultaneously, strengthen vertically simultaneously, the energy dissipation capacity of bearing when laterally sliding.
As another conversion of the embodiment of the invention, all can design adjustment as required as the size of microparticle damping system device parameters such as (microparticle kind, particle diameter, filling rate, granular mass) comparing, slip short column (parameters such as quantity, intensity) and block, the strength of materials, modulus of elasticity etc.
The above-mentioned description to embodiment all is not the restriction to the utility model scheme; Therefore; Protection scope of the present invention not only is confined to the foregoing description; Anyly only as long as use microparticle damping system device of the present invention on the seat structure, all should be regarded as dropping within protection scope of the present invention for pro forma but not substantial various modification and improvement according to what the utility model design had been done.
Claims (7)
1. microparticle damping shock absorption bearing; Comprise and have pedestal (19) and pedestal (19) have following seat board (1), the upper base plate (2) in a chamber (21) and be stacked and placed on first buffer board (3), intermediate plate (4), wearing plate (5) and second buffer board (6) in the said seat chamber (21) successively; It is characterized in that: also include slip short column (7), vertical block (8), horizontal block (14) and microparticle damping system; Each anchoring of vertical down either side of said upper base plate (2) has one group of vertical block (8); Each anchoring of horizontal every side-lower of said upper base plate (2) has one group of horizontal block (14), and the height of vertical block (8) and horizontal block (14) all should be able to guarantee when bearing is shifted, can suitable contacting be arranged with following seat board (1); Said microparticle damping system is arranged on down seat board (1) both lateral sides, and said microparticle damping system comprises fixed block (13), microparticle damping material (9) and sliding sleeve (17); Fixed block (13) is symmetrically fixed on down seat board (1) top; Sliding sleeve (17) two ends are installed on respectively on the fixed block (13); Microparticle damping material (9) is filled in sliding sleeve (17) lining; Upper base plate (2) both sides fluting, the upper end of slip short column (7) is fixed in the groove of upper base plate (2), and the outer sleeve of the lower end of slip short column (7) and sliding sleeve (17) is fixed.
2. microparticle damping shock absorption bearing according to claim 1 is characterized in that said particle damping material (9) is made up of metal, small metal particles or other composite materials is processed.
3. microparticle damping shock absorption bearing according to claim 1 is characterized in that said vertical block (8) inboard is bonded with the 3rd buffer board (11).
4. microparticle damping shock absorption bearing according to claim 1 is characterized in that horizontal block (14) inboard is bonded with the 4th buffer board (20).
5. microparticle damping shock absorption bearing according to claim 1 is characterized in that being provided with sealing ring (18) between said first buffer board (3) and the intermediate plate (4), and said intermediate plate (4) constitutes a slide plate chamber (10) towards a surface of said wearing plate (5).
6. microparticle damping shock absorption bearing according to claim 1; It is characterized in that four bights of seat board (1) respectively offer down seat board bolt hole (12) down, following seat board (1) is through seat board bolt (15) and following seat board bolt hole (12) are fixed with the built-in fitting on the bridge pier down.
7. microparticle damping shock absorption bearing according to claim 1 is characterized in that four bights of upper base plate (2) respectively offer upper base plate bolt hole (22), and upper base plate (2) is fixed with the girder bottom surface through upper base plate bolt (16) and upper base plate bolt hole (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203317284U CN202298447U (en) | 2011-09-06 | 2011-09-06 | Micro particle damping support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203317284U CN202298447U (en) | 2011-09-06 | 2011-09-06 | Micro particle damping support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202298447U true CN202298447U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203317284U Expired - Fee Related CN202298447U (en) | 2011-09-06 | 2011-09-06 | Micro particle damping support |
Country Status (1)
| Country | Link |
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| CN (1) | CN202298447U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404870A (en) * | 2014-11-26 | 2015-03-11 | 成都市新筑路桥机械股份有限公司 | Large-tonnage marine corrosion prevention metal damping seismic mitigation and isolation steel supporting seat |
| CN105178173A (en) * | 2015-07-02 | 2015-12-23 | 河北航科工程检测设备技术有限公司 | Movable support with seismic isolation and reduction functions |
| CN105803930A (en) * | 2016-05-20 | 2016-07-27 | 成都市新筑路桥机械股份有限公司 | Fixed three-layer composite shock absorption device |
| 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 |
| CN107044084A (en) * | 2017-06-14 | 2017-08-15 | 西南交通大学 | A kind of two direction two-stage displacement-limited with dissipation block spherical bearing |
| CN107675614A (en) * | 2017-11-16 | 2018-02-09 | 北京工业大学 | Lantern bone formula ball shaped steel bearing |
| CN110212688A (en) * | 2019-06-24 | 2019-09-06 | 中车永济电机有限公司 | A kind of particle damped vibration attenuation end cap and the main generator using the end cap |
| CN112647608A (en) * | 2019-10-11 | 2021-04-13 | 刘念 | Horizontal shock-absorbing structure for building engineering |
| CN112878525A (en) * | 2021-01-22 | 2021-06-01 | 厦门路桥工程设计院有限公司 | Self-resetting micro-particle spring damper |
| CN115949278A (en) * | 2023-03-10 | 2023-04-11 | 福建省中霖工程建设有限公司 | Tensile shock isolation device based on high bearing capacity |
| CN116927063A (en) * | 2023-09-15 | 2023-10-24 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Bridge structure with anti-falling beam system with anti-seismic toughness |
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2011
- 2011-09-06 CN CN2011203317284U patent/CN202298447U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404870B (en) * | 2014-11-26 | 2016-04-27 | 成都市新筑路桥机械股份有限公司 | The damping of large-tonnage anti-marine corrosion metal subtracts shock insulation steel support |
| CN104404870A (en) * | 2014-11-26 | 2015-03-11 | 成都市新筑路桥机械股份有限公司 | Large-tonnage marine corrosion prevention metal damping seismic mitigation and isolation steel supporting seat |
| CN105178173A (en) * | 2015-07-02 | 2015-12-23 | 河北航科工程检测设备技术有限公司 | Movable support with seismic isolation and reduction functions |
| CN105803930A (en) * | 2016-05-20 | 2016-07-27 | 成都市新筑路桥机械股份有限公司 | Fixed three-layer composite shock absorption device |
| 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 |
| 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 |
| CN107044084A (en) * | 2017-06-14 | 2017-08-15 | 西南交通大学 | A kind of two direction two-stage displacement-limited with dissipation block spherical bearing |
| CN107675614A (en) * | 2017-11-16 | 2018-02-09 | 北京工业大学 | Lantern bone formula ball shaped steel bearing |
| CN107675614B (en) * | 2017-11-16 | 2023-06-20 | 北京工业大学 | Lantern bone type spherical steel support |
| CN110212688A (en) * | 2019-06-24 | 2019-09-06 | 中车永济电机有限公司 | A kind of particle damped vibration attenuation end cap and the main generator using the end cap |
| CN112647608A (en) * | 2019-10-11 | 2021-04-13 | 刘念 | Horizontal shock-absorbing structure for building engineering |
| CN112878525A (en) * | 2021-01-22 | 2021-06-01 | 厦门路桥工程设计院有限公司 | Self-resetting micro-particle spring damper |
| CN115949278A (en) * | 2023-03-10 | 2023-04-11 | 福建省中霖工程建设有限公司 | Tensile shock isolation device based on high bearing capacity |
| CN116927063A (en) * | 2023-09-15 | 2023-10-24 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Bridge structure with anti-falling beam system with anti-seismic toughness |
| CN116927063B (en) * | 2023-09-15 | 2024-02-02 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Bridge structure with anti-falling beam system with anti-seismic toughness |
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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 |
Granted publication date: 20120704 Termination date: 20140906 |
|
| EXPY | Termination of patent right or utility model |