CN208280316U - A kind of vertical micro-stretching shock isolating pedestal - Google Patents
A kind of vertical micro-stretching shock isolating pedestal Download PDFInfo
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- CN208280316U CN208280316U CN201820700048.7U CN201820700048U CN208280316U CN 208280316 U CN208280316 U CN 208280316U CN 201820700048 U CN201820700048 U CN 201820700048U CN 208280316 U CN208280316 U CN 208280316U
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- top plate
- isolation
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- support top
- pressure spring
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Abstract
The utility model discloses a kind of vertical micro-stretching shock isolating pedestals, including the rubber earthquake isolation support among support top plate and base-plate is arranged in, support top plate is connect by upper pre-embedded bolt with top Seismic Isolation of Isolation Layer structure, base-plate is anchored on lower branch pier structure by lower pre-embedded bolt, its main feature is that support top plate is arranged in top Seismic Isolation of Isolation Layer structure as under the pre-embedded steel slab of anchor connection, upper pre-embedded bolt is set with pressure spring after passing through pre-embedded steel slab and support top plate, and vertical micro drafting device is formed by stop nut and the fastening of upper pre-embedded bolt, the support top plate is crimped by the pretightning force of pressure spring with pre-embedded steel slab；The pressure spring both ends are equipped with gasket.The utility model has resistance to capsizing strong compared with prior art, and performance is stablized, and greatly improves the resistance to capsizing of entire rubber vibration isolation system, preferably resolves the problem of skyscraper shock isolating pedestal tensile stress transfinites.
Description
Technical field
The utility model relates to architectural engineering technical field of isolation, especially a kind of micro-stretching for adapting to vertical deformation every
Shake support.
Background technique
The shock insulation of architectural engineering is the natural vibration period by extending structure, reduces the input of horizontal earthquake action, to subtract
The earthquake response of small superstructure is effectively improved the anti-seismic performance of structure, is set with reaching protection interior of building personnel and instrument
Standby safety.It is preferable that the technology is particluarly suitable for site condition, and the higher area of earthquake intensity uses.In existing vibration-isolating system
In, laminated rubber damping bearing shock isolation system is mainly used for isolating horizontal earthquake action, has become vibration-isolating system in the world at present
Mainstream.With seismic isolation technology can effectively reduce skyscraper superstructure seismic acceleration reaction, skyscraper use every
Shake technology has significant advantage.
However, high-level structure topples, effect is obvious, and structure depth-width ratio is larger, and the pressure at structural edge position is larger, and
The tensile property of laminated rubber damping bearing is obviously weak compared to compressive property, therefore tilting moment is easy to cause to act on lower rubber
The tension of support is damaged, or even is destroyed.This usually at the critical main contral parameter of high-rise rubber earthquake isolation support architecture Design,
Laminated rubber damping bearing system is affected in the promotion and application of skyscraper, also limits skyscraper project in highlight lines
The development of earthquake territory.In recent years, Architectural Structure Design related specifications more have revision, the requirement provided fortification against earthquakes is improved, and to every
The tensile stress limit value control for shaking rubber support is then more stringent, so that the weakness of shock isolating pedestal tensile property is more prominent.
Utility model content
The purpose of this utility model be in view of the deficiencies of the prior art and design a kind of vertical micro-stretching shock isolating pedestal, adopt
With the micro-stretching structure of pressure spring and stop nut composition, the vertical rigidity of rubber earthquake isolation support is effectively reduced, reduces rubber vibration isolation
The practical tensile stress of support, tilting moment are undertaken by other rubber earthquake isolation supports, and it is common preferably to have played rubber earthquake isolation support group
The ability for playing limiting performance, greatly improves the resistance to capsizing of entire rubber vibration isolation system, preferably resolves skyscraper
The problem of shock isolating pedestal tensile stress transfinites, structure is simple, and installation and repairing is convenient, and performance is stablized, and is especially suitable for high intensity Zone
The promotion and application of the laminated rubber damping bearing of skyscraper.
Purpose of the utility model is realized as follows: a kind of vertical micro-stretching shock isolating pedestal, including be arranged on support top
Rubber earthquake isolation support among plate and base-plate, support top plate are connect by upper pre-embedded bolt with top Seismic Isolation of Isolation Layer structure, support
Bottom plate is anchored on lower branch pier structure by lower pre-embedded bolt, its main feature is that the setting of support top plate is being anchor with top Seismic Isolation of Isolation Layer structure
Under the pre-embedded steel slab being solidly connected, upper pre-embedded bolt, which passes through, is set with pressure spring after pre-embedded steel slab and support top plate, and by stop nut with
Upper pre-embedded bolt fastening forms vertical micro drafting device, and the support top plate is crimped by the pretightning force of pressure spring with pre-embedded steel slab；Institute
Pressure spring both ends are stated equipped with gasket.
The vertical micro drafting device is several and is symmetricly set in the Seismic Isolation of Isolation Layer structure of top.
The utility model has resistance to capsizing strong compared with prior art, performance stablize, greatly improve entire rubber every
The resistance to capsizing of shake system preferably resolves the problem of skyscraper shock isolating pedestal tensile stress transfinites, and structure is simple, installation
Maintenance is convenient, is especially suitable for the promotion and application of the laminated rubber damping bearing of high intensity Zone skyscraper.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the inode enlarged drawing of Fig. 1；
Fig. 3 is the utility model lateral deformation schematic diagram；
Fig. 4 is Fig. 3'sNode enlarged drawing.
Specific embodiment
Refering to 1 ~ attached drawing of attached drawing 2, the utility model by the rubber that is arranged between support top plate 10 and base-plate 11 every
It shakes support 6 to form, it is under the pre-embedded steel slab 9 being fixedly connected that the support top plate 10, which is arranged in top Seismic Isolation of Isolation Layer structure 7,；It is described
Upper pre-embedded bolt 4 is equipped in top Seismic Isolation of Isolation Layer structure 7；The upper pre-embedded bolt 4 sequentially passes through pre-embedded steel slab 9 and support top plate 10
Suit pressure spring 1 is set with afterwards, and forms vertical micro drafting device by stop nut 2 and the fastening of upper pre-embedded bolt 4；Vertical micro- drawing
Device is stretched to be several and be symmetricly set in top Seismic Isolation of Isolation Layer structure 7；The support top plate 10 by pressure spring 1 pretightning force with it is pre-buried
Steel plate 9 crimps；1 both ends of pressure spring are equipped with gasket 3；The base-plate 11 is anchored by lower pre-embedded bolt 5 and lower branch pier structure 8
Connection.
Refering to 3 ~ attached drawing of attached drawing 4, after top Seismic Isolation of Isolation Layer structure 7 bears lateral force, rubber earthquake isolation support 6 is in the horizontal direction
Lateral deformation occurs, top Seismic Isolation of Isolation Layer structure 7 and lower branch pier structure 8 generate lateral displacement difference Δ 1, meanwhile, top Seismic Isolation of Isolation Layer knot
Structure 7 bears overturning moment, and rubber earthquake isolation support 6 bears vertical force.When vertical force is pulling force, the drawing of top Seismic Isolation of Isolation Layer structure 7
Power reaches pressure spring 1 by upper pre-embedded bolt 4, and pressure spring 1 is pressurized, and micro-displacement Δ 2 occurs, is embodied in pre-embedded steel slab 9 and rubber vibration isolation
There is a micro-displacement difference Δ 2 between the support top plate 10 of support 6.At this point, the sum of stretching displacement of Δ 2 and rubber earthquake isolation support 6 is just
It is total vertical displacement of the top Seismic Isolation of Isolation Layer 7 at the support position, it is seen that be made of upper pre-embedded bolt 4 with pressure spring 1 and stop nut 2
The vertical deformation of vertical micro drafting device, rubber earthquake isolation support 6 reduces, therefore its strain and stress also accordingly reduces.This is micro-
Stretching device, which is equivalent to, gives conventional shock isolating pedestal one pressure spring 1 of series connection, has changed the vertical rigidity of traditional rubber shock isolating pedestal (just
Degree becomes soft), when support pulling force reaches the limit value of General Purpose Rubber shock isolating pedestal, the utility model can lean on the compression of pressure spring 1
A thin tail sheep is discharged, to protect the safety of rubber earthquake isolation support 6.In entire rubber earthquake isolation support system, building
The support in corner, the support on periphery or core shell corner, periphery reaches tensile stress limit value at first under tilting moment.This
When, other supports still have the space for promoting tensile stress, and a kind of vertical micro-stretching rubber earthquake isolation support is set to shock-insulation building
The position that maximum tension stress occurs, can reduce the practical tensile stress of rubber earthquake isolation support, and similar peak clipping Pinggu acts on, tilting moment
It is undertaken by other rubber earthquake isolation supports, then just improves the resistance to capsizing of entire rubber vibration isolation system, preferably resolve height
The problem of layer architectural vibration-insulation support tensile stress transfinites.
Above to be only further described to the utility model, not to limit this patent, all is the utility model
Equivalence enforcement is intended to be limited solely by within the scope of the claims of this patent.
Claims (2)
1. a kind of vertical micro-stretching shock isolating pedestal, including be arranged the rubber in support top plate (10) and base-plate (11) centre every
It shakes support (6), support top plate (10) is connect by upper pre-embedded bolt (4) with top Seismic Isolation of Isolation Layer structure (7), and base-plate (11) is under
Pre-embedded bolt (5) is anchored on lower branch pier structure (8), it is characterised in that support top plate (10) setting with top Seismic Isolation of Isolation Layer structure
(7) under the pre-embedded steel slab (9) of anchor connection, upper pre-embedded bolt (4) passes through pre-embedded steel slab (9) and support top plate (10) is set with afterwards
Pressure spring (1), and vertical micro drafting device, the support top plate (10) are formed by stop nut (2) and upper pre-embedded bolt (4) fastening
It is crimped by the pretightning force of pressure spring (1) with pre-embedded steel slab (9)；Pressure spring (1) both ends are equipped with gasket (3).
2. vertical micro-stretching shock isolating pedestal according to claim 1, it is characterised in that the vertical micro drafting device is several
And it is symmetricly set in top Seismic Isolation of Isolation Layer structure (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820700048.7U CN208280316U (en) | 2018-05-11 | 2018-05-11 | A kind of vertical micro-stretching shock isolating pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820700048.7U CN208280316U (en) | 2018-05-11 | 2018-05-11 | A kind of vertical micro-stretching shock isolating pedestal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208280316U true CN208280316U (en) | 2018-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820700048.7U Active CN208280316U (en) | 2018-05-11 | 2018-05-11 | A kind of vertical micro-stretching shock isolating pedestal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374494A (en) * | 2018-05-11 | 2018-08-07 | 中船第九设计研究院工程有限公司 | A kind of vertical micro-stretching shock isolating pedestal |
-
2018
- 2018-05-11 CN CN201820700048.7U patent/CN208280316U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374494A (en) * | 2018-05-11 | 2018-08-07 | 中船第九设计研究院工程有限公司 | A kind of vertical micro-stretching shock isolating pedestal |
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