CN104674973B - There is the earthquake isolating equipment of tensile property - Google Patents
There is the earthquake isolating equipment of tensile property Download PDFInfo
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- CN104674973B CN104674973B CN201510071280.XA CN201510071280A CN104674973B CN 104674973 B CN104674973 B CN 104674973B CN 201510071280 A CN201510071280 A CN 201510071280A CN 104674973 B CN104674973 B CN 104674973B
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- isolation layer
- seismic isolation
- isolation
- upper bracket
- bracket
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Abstract
The present invention relates to a kind of earthquake isolating equipment with tensile property, including Seismic Isolation of Isolation Layer top board and Seismic Isolation of Isolation Layer base plate, described Seismic Isolation of Isolation Layer base plate is provided with buttress, it is provided with shock isolating pedestal between described buttress and Seismic Isolation of Isolation Layer top board, it is provided with tensile device between described Seismic Isolation of Isolation Layer top board and Seismic Isolation of Isolation Layer base plate, described tensile device includes upper bracket and the lower bracket that least one set is correspondingly arranged up and down, described upper bracket is fixed on Seismic Isolation of Isolation Layer top board, described lower bracket is fixed on Seismic Isolation of Isolation Layer base plate, the upper end of the lower end of described upper bracket and lower bracket is equipped with electric magnet, two pieces of electric magnet peers are correspondingly arranged.The earthquake isolating equipment of the present invention, is prevented from during shock isolating pedestal tension wrecking it is ensured that the mechanical property of shock isolating pedestal；It both can apply to the rubber support tension of newly-built shock insulation engineering and had designed it can also be used to carry out tension protection to the rubber support of built shock insulation engineering；Structure is simple, and stress clearly, facilitates implementation.
Description
Technical field
The invention belongs to Architectural Structure Design field is and in particular to a kind of earthquake isolating equipment with tensile property.
Background technology
Laminated rubber bases are applied at most in current isolation structure, and technology is relatively also ripe, laminated rubber bases
Feature is that vertically pressurized rigidity is very big, and its vertical limit tension is then much smaller than vertical limit compressive stress, this is because lamination
The tensile capacity of rubber support mainly to be ensured by cohering between rubber and steel plate, when bearing tension, internal meeting
Produce a lot of micropores, these internal injuries can reduce the mechanical property of bearing.Therefore, using the isolation structure of laminated rubber bases
In design, typically require rubber support that tension should not occur.But in Practical Project, due to construction error, earthquake isolating equipment performance
The many factors such as deviation, larger tilting moment, rubber earthquake isolation support is still likely to occur tension and even destroys.Therefore, in reality
Consideration is needed to take measures on customs clearance to prevent rubber support from tensile failure occurring in engineering design.Existing tensile measure is main at present
It is to be vertically connected between plate in shock isolating pedestal to add metal bracelet, cable wire etc., it is not pressurized that these chains and cable wire have a tension
Feature, rubber support tension can be prevented, but these metal bracelets or cable wire also can limit shock insulation to a certain extent and prop up
The horizontal displacement of seat, thus affect the isolating affection of structure.
In view of the foregoing, each rubber support producer, scientific research institution etc. are all carrying out correlational study work at present, strive sending out
Brighter can prevent rubber support tensile failure, and the method not affecting its isolating affection.The present invention be exactly in order to meet on
State the earthquake isolating equipment with tensile property requiring and studying a kind of practicality obtaining, its technical scheme is novel, aufbauprinciple letter
Single understandable, there is preferable promotion and use value.
Content of the invention
For defect present in prior art, the present invention provides a kind of earthquake isolating equipment with tensile property, Neng Goufang
Only there is tensile failure it is ensured that the mechanical property of shock isolating pedestal in shock isolating pedestal；Structure is simple, and stress clearly, facilitates implementation.
For reaching object above, the technical solution used in the present invention is：A kind of earthquake isolating equipment with tensile property is provided,
Including Seismic Isolation of Isolation Layer top board and Seismic Isolation of Isolation Layer base plate, described Seismic Isolation of Isolation Layer base plate is provided with buttress, between described buttress and Seismic Isolation of Isolation Layer top board
It is provided with shock isolating pedestal, be provided with tensile device between described Seismic Isolation of Isolation Layer top board and Seismic Isolation of Isolation Layer base plate, described tensile device is included at least
One group of upper bracket being correspondingly arranged and lower bracket, described upper bracket is fixed on Seismic Isolation of Isolation Layer top board, described lower bracket
It is fixed on Seismic Isolation of Isolation Layer base plate, the lower end of described upper bracket and the upper end of lower bracket are equipped with electric magnet, two blocks of electric magnet
Peer is correspondingly arranged.
Further, described tensile device includes multigroup upper bracket being correspondingly arranged and lower bracket, multigroup described top
Support and lower bracket rounded structure arrangement.
Further, described upper bracket is L-shaped structure, including vertical component effect and horizontal part；Described lower bracket is inverted L
Shape structure, including vertical component effect and horizontal part.
Further, the horizontal part of described upper bracket is provided with power contacting plate；Set on the vertical component effect of described lower bracket
There is power contacting plate, two panels power contacting plate is correspondingly arranged, and leaves spacing between two panels power contacting plate.
Further, the spacing between the vertical component effect of described upper bracket and the horizontal part of lower bracket is more than shock isolating pedestal water
Straight snips shear deformation design maximum value.
Further, between the width of described electric magnet is more than between the vertical component effect of upper bracket and the horizontal part of lower bracket
Away from.
Further, described shock isolating pedestal is rubber earthquake isolation support.
The Advantageous Effects of the present invention are：
(1) earthquake isolating equipment of the present invention, by being provided with tensile device, is prevented from shock isolating pedestal and tensile failure occurs, protect
The mechanical property of card shock isolating pedestal；
(2) tensile device of the present invention and shock isolating pedestal are separate, and therefore, this tensile device both can apply to
The rubber support tension design of newly-built shock insulation engineering, can be used for carrying out tension protection to the rubber support of built shock insulation engineering again；
(3) structure is simple, and stress clearly, facilitates implementation.
Brief description
Fig. 1 is the structural representation of earthquake isolating equipment of the present invention；
Fig. 2 is A-A sectional view in Fig. 1；
Fig. 3 is enlarged drawing at B in Fig. 1；
Fig. 4 is the circuit diagram of magnetic effect of electric current in the present invention.
In figure：
1- shock isolating pedestal 2- buttress 3- Seismic Isolation of Isolation Layer top board 4- Seismic Isolation of Isolation Layer base plate
5- upper bracket 6- lower bracket 7- electric magnet 8- power contacting plate
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in further detail.
As shown in figure 1, being the structural representation of the earthquake isolating equipment with tensile property that the present invention provides, this earthquake isolating equipment
Including Seismic Isolation of Isolation Layer top board 3 and Seismic Isolation of Isolation Layer base plate 4, Seismic Isolation of Isolation Layer base plate 4 is provided with buttress 2, sets between buttress 2 and Seismic Isolation of Isolation Layer top board 3
There is shock isolating pedestal 1, this shock isolating pedestal 1 is rubber earthquake isolation support, its upper and lower side is fixing with Seismic Isolation of Isolation Layer top board 3 and buttress 2 respectively to be connected
Connect, so that total both can bear compressed stress, level is to the effect that can play shock insulation again.Seismic Isolation of Isolation Layer top board 3
It is provided with tensile device and Seismic Isolation of Isolation Layer base plate 4 between, this tensile device includes upper bracket 5 and the bottom that least one set is correspondingly arranged
Support 6, upper bracket 5 is fixed on Seismic Isolation of Isolation Layer top board 3, and lower bracket 6 is fixed on Seismic Isolation of Isolation Layer base plate 4, under upper bracket 5
The upper end of end and lower bracket 6 is equipped with electric magnet 7, and two pieces of electric magnet peers are correspondingly arranged.This tensile device can carry perpendicular
Nogata to tension it is ensured that shock isolating pedestal 1 will not be destroyed by vertical direction tension.In order to ensure the intensity of support, on
Portion's support 5 and lower bracket 6 are all using rigid material.
As shown in Figure 1, 2, tensile device includes multigroup upper bracket 5 being correspondingly arranged and lower bracket 6, and multigroup top is propped up
Frame and lower bracket rounded structure arrangement, electric magnet 7 adopts ring electromagnet simultaneously.Multigroup upper bracket and lower bracket bag
Include four groups, five groups or six groups etc..Upper bracket 5 is L-shaped structure, and including vertical component effect and horizontal part, electric magnet is arranged on horizontal part
On；Lower bracket 6 is inverted L-shaped structure, and including vertical component effect and horizontal part, electric magnet is suspended on horizontal part.Need explanation
, the structural shape of upper bracket 5 and lower bracket 6, quantity and specification etc. can determine according to Practical Project stress demand.
As shown in figure 3, the horizontal part of upper bracket 5 is provided with power contacting plate 8；The vertical component effect of lower bracket 6 is provided with
Power contacting plate 8, two panels power contacting plate is correspondingly arranged, and leaves fine pitch between two panels power contacting plate, this spacing big
I determines according to calculating.Two panels power contacting plate 8 is metal contact chip, plays on and off switch effect, when shock isolating pedestal 1 occurs
Deformed in tension exceed two panels power contacting plate 8 setting spacing when, two block power supply contact chips 8 will contact, thus connecting electricity
Source makes two pieces of electric magnet 7 moments produce two opposing magnetic fields, according to Magnet homopolar-repulsion principle, between two blocks of electric magnet 7
The active force that repels each other will stop rigid support 5 and support 6 move toward one another, then reaches restriction aseismatic bearing by the transmission effect of power
The purpose of 1 deformed in tension, protection shock isolating pedestal 1 will not occur tensile failure.
The present invention is to ensure that tensile device will not have a negative impact to the horizontal displacement of shock isolating pedestal, upper bracket 5
Interval S 1 between the horizontal part of vertical component effect and lower bracket 6 must deform design maximum value more than shock isolating pedestal 1 horizontal shear.?
During design, between the width S 2 of ring electromagnet 7 should be greater than between the vertical component effect of upper bracket 5 and the horizontal part of lower bracket 6
Away from S1, during preventing the deformation of shock isolating pedestal occurred level, upper and lower electric magnet 7 position deviation is larger, affects repulsion effect.Additionally,
Power contacting plate 8 adopts level to scalable design, to prevent from making it be destroyed during the deformation of shock isolating pedestal occurred level.
As shown in figure 4, being the electrical schematic diagram of magnetic effect of electric current in the present invention.This circuit is by two blocks of electric magnet 7, resistance R, electricity
Stream A and power contacting plate 8 series connection form primary Ioops, and power contacting plate 8 is equivalent to power switch key, by setting shock isolating pedestal
Whether deformation amount controlling power on.If the amount of force of repelling each other between two blocks of electric magnet 7 need to be changed, can be by adjusting resistance
R to realize it is also possible to be realized by adjusting the winding turns in electric magnet 7 to change the electric current A in circuit.
In sum, the present invention, according to magnetic effect of electric current, innovatively proposes for electric magnet technology to be applied to earthquake isolating equipment, fills
Divide the principle using electric magnet homopolar-repulsion, prevent rubber support from tensile failure occurring.With electric magnet homopolar-repulsion principle, can
So that being not in directly contact between main bearing member, friction and hard collision will not be produced, thereby may be ensured that shock insulation
The horizontal mechanical property of bearing is unaffected.
Electromagnet apparatus in the present invention, only just can be automatically when rubber support deformed in tension exceedes a certain setting limit value
Switch on power generation magnetic pole, plays repulsion effect.The method one is can be with energy saving, and two is to avoid permanent magnet long-time
Place or using after demagnetization phenomenon occurs.Tensile device in the present invention, can by adjust ring electromagnet in current intensity,
The measures such as the annular magnet coil quantity of adjustment change repulsion size, thus the shock insulation position of different stress demands can be flexibly applied to
Put.
The earthquake isolating equipment of the present invention is not limited to above-mentioned specific embodiment, and those skilled in the art are according to the skill of the present invention
Art scheme draws other embodiments, also belongs to the technological innovation scope of the present invention.
Claims (7)
1. a kind of earthquake isolating equipment with tensile property, including Seismic Isolation of Isolation Layer top board (3) and Seismic Isolation of Isolation Layer base plate (4), described Seismic Isolation of Isolation Layer
Base plate (4) is provided with buttress (2), is provided with shock isolating pedestal (1), it is characterized in that between described buttress (2) and Seismic Isolation of Isolation Layer top board (3)：
It is provided with tensile device, described tensile device includes least one set and corresponds between described Seismic Isolation of Isolation Layer top board (3) and Seismic Isolation of Isolation Layer base plate (4)
The upper bracket (5) of setting and lower bracket (6), described upper bracket (5) is fixed on Seismic Isolation of Isolation Layer top board (3), described bottom
Support (6) is fixed on Seismic Isolation of Isolation Layer base plate (4), and the lower end of described upper bracket (5) and the upper end of lower bracket (6) are equipped with electricity
Magnet (7), two pieces of electric magnet peers are correspondingly arranged.
2. there is the earthquake isolating equipment of tensile property as claimed in claim 1, it is characterized in that：Described tensile device includes multigroup right
The upper bracket (5) that should arrange and lower bracket (6), multigroup described upper bracket (5) and the rounded structure cloth of lower bracket (6)
Put.
3. there is the earthquake isolating equipment of tensile property as claimed in claim 2, it is characterized in that：Described upper bracket (5) is tied for L-shaped
Structure, including vertical component effect and horizontal part；Described lower bracket is inverted L-shaped structure, including vertical component effect and horizontal part.
4. there is the earthquake isolating equipment of tensile property as claimed in claim 3, it is characterized in that：On the horizontal part of described upper bracket
It is provided with power contacting plate；The vertical component effect of described lower bracket is provided with power contacting plate, and two panels power contacting plate is correspondingly arranged, and two
Spacing is left between piece power contacting plate.
5. the earthquake isolating equipment with tensile property as described in any one of claim 1-4, is characterized in that：Described upper bracket
Spacing (S1) between vertical component effect and the horizontal part of lower bracket is more than shock isolating pedestal (1) horizontal shear and deforms design maximum value.
6. there is the earthquake isolating equipment of tensile property as claimed in claim 5, it is characterized in that：The width (S2) of described electric magnet is big
Spacing (S1) between the vertical component effect and the horizontal part of lower bracket (6) of upper bracket (5).
7. there is the earthquake isolating equipment of tensile property as claimed in claim 1, it is characterized in that：Described shock isolating pedestal (1) is rubber
Shock isolating pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071280.XA CN104674973B (en) | 2015-02-11 | 2015-02-11 | There is the earthquake isolating equipment of tensile property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071280.XA CN104674973B (en) | 2015-02-11 | 2015-02-11 | There is the earthquake isolating equipment of tensile property |
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| Publication Number | Publication Date |
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| CN104674973A CN104674973A (en) | 2015-06-03 |
| CN104674973B true CN104674973B (en) | 2017-03-01 |
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| CN201510071280.XA Active CN104674973B (en) | 2015-02-11 | 2015-02-11 | There is the earthquake isolating equipment of tensile property |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100289B (en) * | 2017-04-06 | 2019-10-08 | 北京建筑大学 | A kind of shock insulation automatic spacing system |
| CN108360367B (en) * | 2018-02-09 | 2019-06-07 | 石家庄铁道大学 | A kind of antidetonation does not fall bridge pier |
| CN108385510B (en) * | 2018-02-09 | 2019-05-07 | 石家庄铁道大学 | A kind of electromagnetic type bridge earthquake resistance anti-fall girder apparatus |
| CN108612214A (en) * | 2018-04-27 | 2018-10-02 | 北京工业大学 | Elastic reset resistance to plucking earthquake isolating equipment |
| CN108660944B (en) * | 2018-07-06 | 2021-06-22 | 重庆三峡学院 | Bridge rotation construction method |
| CN116005814A (en) * | 2023-01-09 | 2023-04-25 | 江苏华泰路桥建设集团有限公司 | Combined limiting device for rubber vibration isolation support |
| CN116556756A (en) * | 2023-05-30 | 2023-08-08 | 中国地震局工程力学研究所 | Pressure-shear combined three-dimensional vibration isolation device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09268800A (en) * | 1996-04-02 | 1997-10-14 | Hitachi Metals Ltd | Seismic isolator |
| DE102008042478A1 (en) * | 2008-09-30 | 2010-04-08 | Gerb Schwingungsisolierungen Gmbh & Co Kg | Method for damping vibrations acting on object to be protected e.g. building, involves partially absorbing static dead weight of vibrating mass by magnetic forces that act between elements of vibration damper |
| CN103046647B (en) * | 2013-01-09 | 2016-06-08 | 北京建筑工程学院 | Mechanism protected by a kind of circular non contact rubber bearing |
| CN103184749A (en) * | 2013-03-14 | 2013-07-03 | 北京工业大学 | Base isolation non-contact limit system |
| CN103806570B (en) * | 2014-01-29 | 2015-09-02 | 中国航空规划建设发展有限公司 | The integral type shock isolating pedestal tensile device of anti-torsion |
| CN104110076B (en) * | 2014-06-23 | 2016-08-24 | 同济大学 | A kind of spacing combined shock isolating pedestal of tension |
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2015
- 2015-02-11 CN CN201510071280.XA patent/CN104674973B/en active Active
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