CN204626691U - Subtract shock insulation aseismatic bearing - Google Patents
Subtract shock insulation aseismatic bearing Download PDFInfo
- Publication number
- CN204626691U CN204626691U CN201520354354.6U CN201520354354U CN204626691U CN 204626691 U CN204626691 U CN 204626691U CN 201520354354 U CN201520354354 U CN 201520354354U CN 204626691 U CN204626691 U CN 204626691U
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- China
- Prior art keywords
- intermediate plate
- seat board
- hyperboloid
- spheroid
- lower seat
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- Vibration Prevention Devices (AREA)
Abstract
The utility model belongs to bearing technical field, discloses one and subtracts shock insulation aseismatic bearing.Its technical characteristics is: comprise upper base plate, intermediate plate and lower seat board, flat frictional pair is provided with between upper base plate and intermediate plate, hyperboloid spheroid is provided with between described intermediate plate and lower seat board, sphere friction pair is provided with between intermediate plate and hyperboloid spheroid, lower peripheral surface friction pair is provided with between hyperboloid spheroid and lower seat board, lower seat board is provided with the fixing stressed collar of shearing bolt, stressed collar and intermediate plate match, and the upper side of intermediate plate is provided with the fixing flexible member of bolt.The anti-bearing of damper provided by the utility model, have can universal load-supporting, universal rotational, damper antidetonation, structure advantage of homing after external force disappears can be made, be applicable to Longspan Bridge and space truss structure, the building being particularly useful for highly seismic region uses.
Description
Technical field
the utility model belongs to bearing technical field, particularly relate to a kind of building trade large span grid structure and bridge use subtract shock insulation aseismatic bearing.
Background technology
at present, domestic use in construction work have shock mount, vibration absorption and isolation support and lead core rubber support etc. for the bearing supported on large span grid structure and bridge.Shock mount is made up of upper base plate, lower seat board, polyfluortetraethylene plate, intermediate plate, flexible member etc.There is the effect of bearing pressure He realizing displacement and damping.But there is no isolation function, restricted by elastic elements and damping energy dissipation is only applicable to small and medium intensity area of alkaline.Although vibration absorption and isolation support have employed hyperbolic spherical structure, during earthquake, can isolation energy dissipation be subtracted, bearing normal displacement and earthquake displacement regardless of, because bi-curved swing can cause girder construction to produce vertical displacement during earthquake, be unfavorable for the work of beam body.Cause face of balancing oversize after normal displacement superposes with earthquake displacement, cause waste of material.Although lead core rubber support can play the effect subtracting shock insulation, by the restriction of its structure, the needs of Large travel range and the requirement of large horizontal force can not be met.Having is exactly that its outer layer rubber long term exposure of lead core rubber support is easy to aging outside again, reduces its application life.
Utility model content
the technical problems to be solved in the utility model be just to provide one not only can antidetonation, but also can damping, also can shock insulation realize normal displacement and be separated with earthquake displacement, what external force also can set back after disappearing subtracts shock insulation aseismatic bearing.
for solving the problems of the technologies described above, the technical solution adopted in the utility model is: comprise upper base plate, intermediate plate and lower seat board, flat frictional pair is provided with between upper base plate and intermediate plate, hyperboloid spheroid is provided with between described intermediate plate and lower seat board, sphere friction pair is provided with between intermediate plate and hyperboloid spheroid, lower peripheral surface friction pair is provided with between hyperboloid spheroid and lower seat board, lower seat board is provided with the fixing stressed collar of shearing bolt, stressed collar and intermediate plate match, and the upper side of intermediate plate is provided with the fixing flexible member of bolt.
provided by the utility modelly subtract shock insulation aseismatic bearing, under normal circumstances, owing to being subject to variations in temperature, upper base plate is made to produce displacement, and the super high molecular weight plane slide plate that flat frictional pair is cheated by band depot fat and mirror face stainless steel form, when there being lubrication, its friction factor is lower can be controlled within 0.01, thus can meet temperature movement under normal circumstances.The upper side of intermediate plate is provided with the fixing flexible member of bolt, and flexible member can after temperature movement have changed, and external force sets back after disappearing.When building structure that upper base plate bears its support descends enormous power, power is passed to intermediate plate by upper base plate, and power is passed to hyperboloid spheroid by intermediate plate again, and hyperboloid spheroid utilizes its spherical structure power to be spread equably and gives lower seat board.When power be large seismic forces or the vibration force brought due to impact force, wind or other factors or shearing time, the stressed meeting of lower seat board makes hyperboloid spheroid move relative to lower seat board, when power arrives greatly necessarily degree of holding, shear studs is cut off, stressed collar falls down, the spacing releasing of hyperboloid spheroid, hyperboloid spheroid is had an effect, depot fat is not with to cheat super high molecular weight sphere slide plate because upper sphere friction pair and lower peripheral surface friction pair adopt, its friction factor is impelled to increase, in slipping, dissipation energy is more, thus more earthquake kinetic energy can be absorbed, reach the object of shock-damping energy-dissipating.And now hyperboloid spheroid take part in the displacement under geological process, increases the natural vibration period of beam body, thus also reaches the object subtracting shock insulation.Thus avoid the infringement of external force to building structure.
Accompanying drawing explanation
fig. 1 is the structural representation that the utility model subtracts shock insulation aseismatic bearing.
Detailed description of the invention
below in conjunction with accompanying drawing, the structure subtracting shock insulation aseismatic bearing provided by the utility model is described further.
as shown in Figure 1, the utility model subtracts shock insulation aseismatic bearing and comprises upper base plate 1, intermediate plate 2, hyperboloid spheroid 3 and lower seat board 4, flat frictional pair 5 is provided with between upper base plate 1 and intermediate plate 2, sphere friction pair 6 is provided with between intermediate plate 2 and hyperboloid spheroid 3, lower peripheral surface friction pair 7 is provided with between hyperboloid spheroid 3 and lower seat board 4, lower seat board 4 is provided with the fixing stressed collar 9 of shearing bolt 8, stressed collar 9 and intermediate plate 2 match, and the upper side of intermediate plate 2 is provided with the fixing flexible member 11 of bolt 10.
provided by the utility modelly subtract shock insulation aseismatic bearing, lower peripheral surface friction pair 7 is embedded in the end face of lower seat board 4, hyperboloid spheroid 3 is arranged on above lower peripheral surface friction pair 7, upper sphere friction pair 6 is embedded in the bottom surface of intermediate plate 2, flexible member 11 bolt 10 is fixed on the upper side of intermediate plate 2, flexible member 11, upper sphere friction pair 6 are arranged on hyperboloid spheroid 3 together with intermediate plate 2, stressed collar 9 shearing bolt 8 is fixed on lower seat board 4, flat frictional pair 5 is embedded in the end face of intermediate plate 2, and upper base plate 1 is arranged on above flat frictional pair 5.Upper base plate 1 and flat frictional pair 5 form displacement sliding pair, realize the displacement of normal temperature change.Upper sphere friction pair 6 and hyperboloid spheroid 3 form revolute pair above, realize the rotation displacement of structure.When earthquake, horizontal force makes shearing bolt 8 cut off greatly to a certain extent, when stressed collar 9 departs from lower seat board 4, form swing friction pair below lower peripheral surface friction pair 7 and hyperboloid spheroid 3, make hyperboloid spheroid 3 swing the input of kinetic potential transformation and friction energy-dissipating reduction seismic energy, realize shock-damping energy-dissipating.The sidewall of upper base plate 1 and the sidewall of lower seat board 4 all design the requirement that certain thickness realizes antidetonation.
provided by the utility modelly subtract shock insulation aseismatic bearing, under normal circumstances, owing to being subject to variations in temperature, upper base plate 1 is made to produce displacement, and the super high molecular weight plane slide plate that flat frictional pair 5 is cheated by band depot fat and mirror face stainless steel form, when there being lubrication, its friction factor is lower can be controlled within 0.01, thus can meet temperature movement under normal circumstances.The upper side of intermediate plate 2 is provided with the fixing flexible member 11 of bolt 10, and flexible member 11 can after temperature movement have changed, and external force sets back after disappearing.When building structure that upper base plate 1 bears its support descends enormous power, power is passed to intermediate plate 2 by upper base plate 1, and power is passed to hyperboloid spheroid 3 by intermediate plate 2 again, and hyperboloid spheroid 3 utilizes its spherical structure power to be spread equably and gives lower seat board 4.When power is large seismic forces or due to impact force, when the vibration force that wind or other factors are brought or shearing, the stressed meeting of lower seat board 4 makes hyperboloid spheroid 3 move relative to lower seat board 4, when power arrives greatly necessarily degree of holding, shearing bolt 8 is cut off, stressed collar 9 falls down, the spacing releasing of hyperboloid spheroid 3, hyperboloid spheroid 3 is had an effect, depot fat is not with to cheat super high molecular weight sphere slide plate because upper sphere friction pair 6 and lower peripheral surface friction pair 7 adopt, its friction factor is impelled to increase, in slipping, dissipation energy is more, thus more earthquake kinetic energy can be absorbed, reach the object of shock-damping energy-dissipating.And now hyperboloid spheroid 3 take part in the displacement under geological process, increases the natural vibration period of beam body, thus also reaches the object subtracting shock insulation.Thus avoid the infringement of external force to building structure.
the anti-bearing of damper provided by the utility model, flat frictional pair 5, upper sphere friction pair 6 and lower peripheral surface friction pair 7 have employed super-high molecular weight polyethylene sliding plate, this slide plate case unit capacity is more than the twice of common tetrafluoro slide plate, reduce the volume of bearing, reduce the steel using amount of bearing, thus reduce the cost of bearing, thus reduce construction costs.The anti-bearing of damper provided by the utility model, have can universal load-supporting, universal rotational, damper antidetonation, structure advantage of homing after external force disappears can be made, be applicable to Longspan Bridge and space truss structure, the building being particularly useful for highly seismic region uses.The shock insulation aseismatic bearing that subtracts provided by the utility model is not limited only to said structure, but no matter is which kind of form, as long as structure is identical with the utility model, all falls into the utility model protection domain.
Claims (1)
1. subtract shock insulation aseismatic bearing, comprise upper base plate, intermediate plate and lower seat board, flat frictional pair is provided with between upper base plate and intermediate plate, it is characterized in that: between described intermediate plate and lower seat board, be provided with hyperboloid spheroid, sphere friction pair is provided with between intermediate plate and hyperboloid spheroid, lower peripheral surface friction pair is provided with between hyperboloid spheroid and lower seat board, lower seat board is provided with the fixing stressed collar of shearing bolt, stressed collar and intermediate plate match, and the upper side of intermediate plate is provided with the fixing flexible member of bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520354354.6U CN204626691U (en) | 2015-05-28 | 2015-05-28 | Subtract shock insulation aseismatic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520354354.6U CN204626691U (en) | 2015-05-28 | 2015-05-28 | Subtract shock insulation aseismatic bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204626691U true CN204626691U (en) | 2015-09-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520354354.6U Expired - Fee Related CN204626691U (en) | 2015-05-28 | 2015-05-28 | Subtract shock insulation aseismatic bearing |
Country Status (1)
| Country | Link |
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| CN (1) | CN204626691U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201094A (en) * | 2015-10-08 | 2015-12-30 | 中交公路长大桥建设国家工程研究中心有限公司 | X-type anisotropism friction double-pendulum vibration reduction and isolation support |
| CN105401592A (en) * | 2015-11-13 | 2016-03-16 | 中国电力科学研究院 | Shock-insulation and vibration-reduction table and construction method thereof |
| CN105484362A (en) * | 2016-01-13 | 2016-04-13 | 广州大学 | Shock insulation support suitable for super-intensity earthquake action |
| CN105696720A (en) * | 2016-01-26 | 2016-06-22 | 广州大学 | Structure electromagnetic variable damping active and passive control combined tuning control device |
| CN106284061A (en) * | 2016-09-27 | 2017-01-04 | 成都市大通路桥机械有限公司 | A kind of change type friction pendulum damper bearing |
| CN115142338A (en) * | 2022-06-22 | 2022-10-04 | 中交公路长大桥建设国家工程研究中心有限公司 | High-performance spherical seismic mitigation and isolation support capable of quickly replacing vulnerable components |
-
2015
- 2015-05-28 CN CN201520354354.6U patent/CN204626691U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201094A (en) * | 2015-10-08 | 2015-12-30 | 中交公路长大桥建设国家工程研究中心有限公司 | X-type anisotropism friction double-pendulum vibration reduction and isolation support |
| CN105401592A (en) * | 2015-11-13 | 2016-03-16 | 中国电力科学研究院 | Shock-insulation and vibration-reduction table and construction method thereof |
| CN105484362A (en) * | 2016-01-13 | 2016-04-13 | 广州大学 | Shock insulation support suitable for super-intensity earthquake action |
| CN105484362B (en) * | 2016-01-13 | 2018-01-26 | 广州大学 | A kind of shock isolating pedestal suitable for super earthquake intensity geological process |
| CN105696720A (en) * | 2016-01-26 | 2016-06-22 | 广州大学 | Structure electromagnetic variable damping active and passive control combined tuning control device |
| CN105696720B (en) * | 2016-01-26 | 2018-01-12 | 广州大学 | A kind of structure electromagnetism variable damping master passively controls compound tuning control system |
| CN106284061A (en) * | 2016-09-27 | 2017-01-04 | 成都市大通路桥机械有限公司 | A kind of change type friction pendulum damper bearing |
| CN115142338A (en) * | 2022-06-22 | 2022-10-04 | 中交公路长大桥建设国家工程研究中心有限公司 | High-performance spherical seismic mitigation and isolation support capable of quickly replacing vulnerable components |
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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: 20150909 Termination date: 20210528 |