CN205775821U - A kind of limit-type rubber earthquake isolation support - Google Patents
A kind of limit-type rubber earthquake isolation support Download PDFInfo
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- CN205775821U CN205775821U CN201620662264.8U CN201620662264U CN205775821U CN 205775821 U CN205775821 U CN 205775821U CN 201620662264 U CN201620662264 U CN 201620662264U CN 205775821 U CN205775821 U CN 205775821U
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- plate
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- rubber
- lower connecting
- upper junction
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Abstract
The utility model discloses a kind of limit-type rubber earthquake isolation support.Including upper junction plate, lower connecting plate and the laminated rubber component between upper junction plate and lower connecting plate, described laminated rubber component is fixed with upper junction plate, lower connecting plate respectively and is connected;The stopping means being provided with for reducing the described laminated rubber deformation of member it is positioned at laminated rubber member center between described upper junction plate and lower connecting plate.The limit-type rubber earthquake isolation support of this utility model can be when an earthquake occurs, it is achieved preferably Horizontal limiting ability and energy dissipation capacity, possesses again certain resistance to tension simultaneously.
Description
Technical field
This utility model relates to civil engineering, technical field of bridge engineering, be specifically related to a kind of for civil engineering structure,
The limit-type rubber earthquake isolation support of bridge structure.
Background technology
In Architectural Structure Design, basis and superstructure between shock insulation is set, shock mount can effectively alleviate earthquake
Disaster.Laminated rubber bases is a kind of shock isolating pedestal being most widely used at present, and it is handed over sheet metal by natural rubber thin layer
For overlapping, molded vulcanization forms, and has under higher vertical bearing capacity and less horizontal rigidity, geological process and can produce
Enough horizontal displacements, extending structure natural vibration period, isolating affection is obvious, has certain self-resetting capability simultaneously.Research is sent out
It is existing: when geological process is relatively big, and when greater level displacement occurs in Seismic Isolation of Isolation Layer, laminated rubber bases easily occurs that Ultimate Shear destroys,
Affecting the safety of building, reply bearing carries out the restriction of horizontal displacement;Additionally, it is normal stack rubber support energy-dissipating property, perpendicular
Not enough to tensile property, limit the scope of application.
In sum, exploitation one can level of isolation geological process, allow larger displacement, have preferable restraining ability and
The rubber earthquake isolation support of energy dissipation capacity, has important theory significance and actual application value.
Utility model content
The purpose of this utility model is on the basis of existing laminated rubber bases, makes improvements, it is provided that Yi Zhongneng
Enough realizing preferable Horizontal limiting ability and energy dissipation capacity, the limit-type rubber vibration isolation simultaneously possessing again certain resistance to tension props up
Seat.
To achieve these goals, this utility model adopts the following technical scheme that
A kind of limit-type rubber earthquake isolation support, including upper junction plate, lower connecting plate and be positioned at upper junction plate and lower connection
Laminated rubber component between plate, described laminated rubber component is fixed with upper junction plate, lower connecting plate respectively and is connected;
The spacing dress for reducing the described laminated rubber deformation of member it is additionally provided with between described upper junction plate and lower connecting plate
Put.
Described stopping means includes tubular guide, guide rod, ring baffle, circular baffle plate, the first spherical device, the second ball
Shape device and ring spring, wherein, tubular guide has a blind end and an opening, its blind end and the first ball
Shape device is fixing to be connected;
Be slidably connected in tubular guide described guide rod, and guide rod puts in the described circle of the fixing connection in the one end in tubular guide
Shape baffle plate, the guide rod other end and the second spherical device are fixing to be connected;The open end of tubular guide is fixing connects ring baffle;
Described ring spring is set in outside guide rod between circular baffle plate and ring baffle;
Between described first spherical device and upper junction plate, between the second spherical device and lower connecting plate, difference is the most rotating
It is fitting to connection.
Further, circular baffle plate is coated with the contact surface of tubular guide with contact surface, the guide rod of tubular guide
There is low-friction material, such as politef etc..
Further, the medial wall of described upper junction plate and lower connecting plate is provided with ball recess, described first spherical dress
Put, the second spherical device is embedded respectively in described ball recess, and the contact surface inlayed scribbles low-friction material, such as polytetrafluoroethyl-ne
Alkene etc..
Further, if described laminated rubber component includes that the dried layer rubber being alternately superimposed on together by molded vulcanization is thin
Layer and steel plate thin layer, and set envelope rigid plate and lower envelope rigid plate, wherein, topping rubber thin layer is fixing with upper envelope rigid plate even
Connecing, bottom rubber thin-bed is fixing with lower envelope rigid plate to be connected;Laminated rubber component is in sulfidation, and rubber thin-bed is thin with steel plate
The lateral surface self-assembling formation rubber cover of layer.
Further, described laminated rubber component is provided with the reserving hole channel for placing described stopping means.
The beneficial effects of the utility model are:
Described bearing provides vertical bearing capacity by laminated rubber component, bears bigger vertical pressure or vertical at bearing
Under geological process, ring spring deformed in tension, it is provided that certain opposition is to reduce the vertical deformation of laminated rubber component;
When bearing bears vertical tension, ring spring compressive deformation, it is provided that certain resistance to tension;Bearing is provided by stopping means
Horizontal limiting ability, under horizontal earthquake action, laminated rubber component has more soft horizontal rigidity, it is ensured that bearing produces arbitrarily
The horizontal displacement in direction;Ring spring is in stretching, form with elastic potential energy stores part seismic energy, guide rod in compression process
And the frictional force that spherical device utilizes contact surface to produce also can consume part seismic energy;After earthquake, bearing is at lamination
Rubber component and ring spring act on down jointly, it is possible to realize automatically reseting.
Accompanying drawing explanation
Fig. 1 is the structural representation of this practical limit-type rubber earthquake isolation support;
Fig. 2 is the limit device structure schematic diagram of this practical limit-type rubber earthquake isolation support;
1 is rubber thin-bed;2 is steel plate thin layer;3 is rubber cover;4 is upper envelope rigid plate;5 is lower envelope rigid plate;6
For reserving hole channel;7 is tubular guide;8 is guide rod;9 is ring baffle;10 is circular baffle plate;11 is the second spherical device;12
For ring spring;13 is low-friction material;14 is ball recess;15 is upper junction plate;16 is lower connecting plate;17 is first spherical
Device.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
A kind of limit-type rubber earthquake isolation support, including laminated rubber component, stopping means, upper junction plate
15 and lower connecting plate 16, described laminated rubber component is bolted to connection respectively with upper junction plate 15, lower connecting plate 16, limit
Position device is arranged in the through hole that laminated rubber member center is reserved, and passes through spherical female with upper junction plate 15, lower connecting plate 16
Groove 14 inlays connection.Upper junction plate 15 is connected by bolt and upper building are fixing, and lower connecting plate 16 is by bolt and bottom
Building is fixing to be connected.
Described laminated rubber component includes some rubber thin-beds 1 and steel plate thin layer 2, upper envelope rigid plate 4 and lower envelope rigid plate
5, wherein, some rubber thin-beds 1 are alternately superimposed on by molded vulcanization with some steel plate thin layers 2, and topping rubber thin layer is firm with upper envelope
Property plate 4 sulfuration is fixing connects, bottom rubber thin-bed is fixed with the sulfuration of lower envelope rigid plate 5 and is connected;Laminated rubber component was vulcanizing
Cheng Zhong, rubber thin-bed 1 and the lateral surface self-assembling formation rubber cover 3 of steel plate thin layer 2.
Additionally, laminated rubber member center arranges the reserving hole channel 6 of diameter d, highly h.
Above-mentioned stopping means includes the tubular guide 7 of a length of l and guide rod 8, ring baffle 9, circular baffle plate 10, spherical
Device 11, ring spring 12, wherein, tubular guide 7 top is bolted to connection with spherical device 11, bottom and annular
Baffle plate 9 is fixing to be connected, and tubular guide 7 is internal arranges guide rod 8 and ring spring 12;Guide rod 8 top is fixed with circular baffle plate 10
Connecting, bottom is bolted to connection through ring baffle 9 with spherical device 11, circular baffle plate 10 medial surface and guide rod side
It is coated with low-friction material 13, such as politef etc., makes the guide rod 8 can in tubular guide 7 slidably.
Ring spring 12 is enclosed within outside guide rod 8, and top is connected with circular baffle plate 10, and bottom is connected with ring baffle 9.
First spherical device is embedded in the ball recess that upper junction plate 15 is centrally disposed, and the second spherical device is embedded in down
In the ball recess that connecting plate 16 is centrally disposed, the contact surface inlayed scribbles low-friction material 13, such as politef etc., makes
One spherical device and the second spherical device are capable of rotating freely of any direction.
Above-mentioned bearing provides vertical bearing capacity by laminated rubber component, and laminated rubber component is bearing normal vertical lotus
Small vertical compression can occur during load, and therefore, only there is small tensile deformation in the ring spring 12 in stopping means,
Negligible.Under bearing bears bigger vertical pressure or Vertical Earthquake Loads, ring spring 12 becomes according to the tension and compression of bearing
Shape situation, produces contrary deformation, it is provided that certain opposition is to reduce the vertical deformation of laminated rubber component, wherein,
Laminated rubber component reserving hole channel 6 highly should be greater than the length of tubular guide 7 and guide rod 8l, i.e.h – l ≥δ v (bearing erects
To decrement).When bearing bears vertical tension, ring spring 12 compressive deformation, it is provided that certain resistance to tension.
Above-mentioned bearing provides Horizontal limiting ability by stopping means.Under horizontal earthquake action, laminated rubber component has
There is more soft horizontal rigidity, it is ensured that bearing produces the horizontal displacement of any direction, and the guide rod 8 in stopping means is at tubular guide
Slide in 7, drive ring spring 12 to produce bigger compression;When the circular baffle plate 10 on guide rod 8 top is close to tubular guide 7
During the ring baffle 9 of bottom, ring spring 12 reaches maximum compression deformation, and bearing reaches maximum horizontal displacement amount, i.e. δ h (bearing horizontal displacement);Ring spring 12 is deposited with the form of elastic potential energy in stretching, compression process
Storage part seismic energy, the frictional force that guide rod 8 and the first spherical device, the second spherical device utilize contact surface to produce also can disappear
Consumption part seismic energy.After earthquake, bearing is under laminated rubber component and ring spring 12 act on jointly, it is possible to realize certainly
Dynamic reset.
The laminated rubber component of above-mentioned bearing can be provided fortification against earthquakes according to actual requirement of engineering and locality with stopping means and be wanted
Seek the suitably sized and number of applications of selection;Bearing level depends on the intensity of stopping means selected materials, just to spacing performance
Degree;Between each several part component of bearing, it is not limited to, with the connected mode of upper and lower part building, the connected mode that bolt is fixing, this
Skilled person can convert other connected mode, as used welding, the mode such as hinged to connect.
By in above-described embodiment to the description of the structure arrangement of described limit-type rubber earthquake isolation support and vertical
Load-carrying properties, the analysis of Horizontal limiting ability, it can be seen that limit-type rubber earthquake isolation support disclosed in the utility model is existing
On the basis of having laminated rubber bases, it is capable of preferable Horizontal limiting ability and energy dissipation capacity by improvement, has again simultaneously
Standby certain resistance to tension.Described limit-type rubber earthquake isolation support has the little advantage that takes up space, and can apply at building, bridge
Deng engineering field, there is wide applicability.
Above example is only exemplary embodiment of the present utility model, is not used in restriction this utility model, and this practicality is new
The protection domain of type is limited by appended claims.Those skilled in the art can be in essence of the present utility model and protection
In the range of, this utility model is made various amendment or equivalent, this amendment or equivalent also should be regarded as in this reality
With in novel protection domain.
Claims (7)
1. a limit-type rubber earthquake isolation support, it is characterised in that include upper junction plate, lower connecting plate and be positioned at upper junction plate
And the laminated rubber component between lower connecting plate, described laminated rubber component is fixed with upper junction plate, lower connecting plate respectively and is connected;
It is positioned between described upper junction plate and lower connecting plate at laminated rubber member center and is provided with for reducing described laminated rubber
The stopping means of the deformation of member.
Limit-type rubber earthquake isolation support the most according to claim 1, it is characterised in that described stopping means includes that tubular is led
To part, guide rod, ring baffle, circular baffle plate, the first spherical device, the second spherical device and ring spring, wherein, tubular is led
To part, there is a blind end and the fixing connection of an opening, its blind end and the first spherical device;
Be slidably connected in tubular guide described guide rod, and guide rod puts in the described circular gear of the fixing connection in the one end in tubular guide
Plate, the guide rod other end and the second spherical device are fixing to be connected;The open end of tubular guide is fixing to be connected to enter guide rod
The ring baffle that row is spacing;Described ring spring is set in outside guide rod between circular baffle plate and ring baffle;
Between described first spherical device and upper junction plate, between the second spherical device and lower connecting plate, difference is rotating the most chimeric
Connect.
Limit-type rubber earthquake isolation support the most according to claim 2, it is characterised in that circular baffle plate and tubular guide
Contact surface, guide rod are coated with low-friction material with the contact surface of tubular guide.
Limit-type rubber earthquake isolation support the most according to claim 2, it is characterised in that described upper junction plate and lower connecting plate
Medial wall be provided with ball recess, described first spherical device, the second spherical device are embedded respectively in described ball recess,
The contact surface inlayed scribbles low-friction material.
Limit-type rubber earthquake isolation support the most according to claim 2, it is characterised in that described laminated rubber component includes leading to
If crossing molded vulcanization to be alternately superimposed on dried layer rubber thin-bed together and steel plate thin layer, and set envelope rigid plate and lower envelope rigidity
Plate, wherein, topping rubber thin layer is fixing with upper envelope rigid plate to be connected, and bottom rubber thin-bed is fixing with lower envelope rigid plate to be connected;Folded
Layer rubber component in sulfidation, the lateral surface self-assembling formation rubber cover of rubber thin-bed and steel plate thin layer.
Limit-type rubber earthquake isolation support the most according to claim 1, it is characterised in that described upper junction plate and lower connecting plate
Between be positioned at laminated rubber member center the reserving hole channel being provided with for placing described stopping means.
Limit-type rubber earthquake isolation support the most according to claim 6, it is characterised in that the height of described reserving hole channel is more than
Tubular guide and length l of guide rod.
Priority Applications (1)
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CN201620662264.8U CN205775821U (en) | 2016-06-29 | 2016-06-29 | A kind of limit-type rubber earthquake isolation support |
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CN201620662264.8U CN205775821U (en) | 2016-06-29 | 2016-06-29 | A kind of limit-type rubber earthquake isolation support |
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CN205775821U true CN205775821U (en) | 2016-12-07 |
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CN201620662264.8U Expired - Fee Related CN205775821U (en) | 2016-06-29 | 2016-06-29 | A kind of limit-type rubber earthquake isolation support |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108166707A (en) * | 2018-02-11 | 2018-06-15 | 四川中塑高分子材料有限公司 | It is a kind of to flexibly support foot and its ground cushion with support feet |
CN110259238A (en) * | 2019-06-14 | 2019-09-20 | 太原理工大学 | Streaming variant compound support damper in the cylinder of the outer lead-sheathing body of rigid sleeve slide bar |
CN110965463A (en) * | 2019-12-19 | 2020-04-07 | 安徽微威减震降噪技术研究院 | Rubber shock insulation support |
CN111254989A (en) * | 2020-03-18 | 2020-06-09 | 南京工业大学 | Spring core high damping rubber shock insulation support |
CN112431316A (en) * | 2020-11-19 | 2021-03-02 | 东莞理工学院 | Universal anti-pulling laminated rubber support |
-
2016
- 2016-06-29 CN CN201620662264.8U patent/CN205775821U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108166707A (en) * | 2018-02-11 | 2018-06-15 | 四川中塑高分子材料有限公司 | It is a kind of to flexibly support foot and its ground cushion with support feet |
CN108166707B (en) * | 2018-02-11 | 2024-08-30 | 四川中塑高分子材料有限公司 | Elastic supporting leg and floor mat with same |
CN110259238A (en) * | 2019-06-14 | 2019-09-20 | 太原理工大学 | Streaming variant compound support damper in the cylinder of the outer lead-sheathing body of rigid sleeve slide bar |
CN110259238B (en) * | 2019-06-14 | 2020-12-04 | 太原理工大学 | In-cylinder flow deformation composite support damper with rigid sleeve sliding rod externally coated with lead body |
CN110965463A (en) * | 2019-12-19 | 2020-04-07 | 安徽微威减震降噪技术研究院 | Rubber shock insulation support |
CN111254989A (en) * | 2020-03-18 | 2020-06-09 | 南京工业大学 | Spring core high damping rubber shock insulation support |
CN112431316A (en) * | 2020-11-19 | 2021-03-02 | 东莞理工学院 | Universal anti-pulling laminated rubber support |
CN112431316B (en) * | 2020-11-19 | 2022-03-22 | 东莞理工学院 | Universal anti-pulling laminated rubber support |
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Legal Events
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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: 20161207 Termination date: 20190629 |
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CF01 | Termination of patent right due to non-payment of annual fee |