CN203065958U - Fiber cloth constraint-type rubber supporting seat - Google Patents
Fiber cloth constraint-type rubber supporting seat Download PDFInfo
- Publication number
- CN203065958U CN203065958U CN 201220699381 CN201220699381U CN203065958U CN 203065958 U CN203065958 U CN 203065958U CN 201220699381 CN201220699381 CN 201220699381 CN 201220699381 U CN201220699381 U CN 201220699381U CN 203065958 U CN203065958 U CN 203065958U
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- supporting seat
- fiber cloth
- cloth
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Abstract
The utility model relates to a fiber cloth constraint-type rubber supporting seat which comprises an upper end steel plate for installing and a lower end steel plate for installing. Screw holes for installing are formed in the steel plates. A rubber layer which adopts a hollow-type fiber cloth to wrap is filled in the cavity between the upper end steel plate and the lower end steel plate, and a layer or a plurality of layers of fiber clothes which are needed by a design are wrapped at the outer side of the whole supporting seat. The fiber cloth constraint-type rubber supporting seat constrains horizontal expanding of the rubber layer and improves bearing capability, and the rubber layer has good hysteretic behavior, so that earthquake energy can be depleted. In addition, a series of inherent characters of heat resistance, fatigue resistance, creep resistance and the like of the fiber cloth are adopted. On the other hand, the hollow-type fiber cloth constraint-type rubber supporting seat improves internal damping of the supporting seat and has good capability of damping dissipation energy. All in all, the fiber cloth constraint-type rubber supporting seat is simple in structure, convenient to manufacture and use, safe, light in mass, stable in earthquake resistant behavior, low in manufacturing cost, capable of being manufactured into different shapes according to the need and capable of being used for fixing an old supporting seat.
Description
Technical field
The utility model design belongs to civil engineering, bridge pad technical field, is applicable to that railway bridge, road bridge, urban viaduct etc. play the damper effect.Be specifically related to a kind of with fibrous composite and the damper bearing that combines: be particularly related to a kind of cloth constraint formula 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.Cloth and composite material thereof are to be accompanied by the development of military project cause and the new material of growing up, and belong to high-new technology products, have a series of excellent properties such as high specific strength, high ratio modulus, high temperature resistant, corrosion-resistant, creep resistant.Have the shock damping characteristic specific to seismic field, but the absorbing vibration ripple makes anti-earthquake ability and flexural strength improve tens times.In domestic in recent years bridge pad, pot rubber bearing, lead core rubber support, FPS(friction pendulum hammer body system) obtained using widely.Pot rubber bearing is when meeting with earthquake or great vibratility and impact then, 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 is subjected to the influence of vertical load bigger, and the increase along with lead for retractable pencil, the bearing automatic recovery ability weakens gradually, can not effectively subtract shock insulation in the earthquake motion with multiple spectra effect; FPS(friction pendulum hammer body system) automatic recovery ability is strong, friction energy-dissipating stable, but can cause the vertical displacement of beam-ends and produce time internal force in the process of friction energy-dissipating.
In view of all deficiencies that above-mentioned dissimilar bearings exist, we are combined with rubber phase in conjunction with present tencel composite material on the basis of general spherical shape bearing, benzvalene form aseismatic bearing, and design forms a kind of constraint formula neoprene bearing of cloth.
China utility model patent notice of authorization CN2118858U discloses a kind of antidetonation neoprene bearing.The Ji end of two " U " type energy consumers is fixedly connected, some layers of steel plate are set in its cavity and are full of rubber, and wrap up one deck rubber in the whole appearance of " U " type energy consumer.Adopt " U " type energy consumer, increased the hysteresis performance of neoprene bearing, improved the dynamic shear modulus of bearing under big shear strain, improved the anti-seismic performance of neoprene bearing.This uses novel structure simple, easy to use, safe, cheap, and anti-seismic performance is stable.
China utility model patent notice of authorization CN2319623Y discloses a kind of rubber aseismatic bearing.Employing has the lid on tooth limit and pallet is formed energy consumer, in the cavity between lid and pallet some layers of steel plate is set, and is full of rubber between steel plate interval and steel plate and lid, pallet, and wraps up one deck rubber at lid and the whole appearance of pallet.And can be made into different shape.The advantage of this utility model is that employing has the lid on tooth limit and the energy consumer of supporting plate composition has increased the hysteretic energy performance of neoprene bearing, thereby has improved the anti-seismic performance of neoprene bearing; Employing has the lid on tooth limit and the energy consumer that pallet is formed, and can make difform rubber aseismatic bearing as requested, can satisfy the requirement of antidetonation and variations in temperature and distortion simultaneously.
But above-mentioned two patented technology schemes all have common deficiency: the one, under the earthquake motion effect, can not effectively consume the portion of energy of earthquake, and can not well play antihunt action.The 2nd, when meeting with earthquake or great vibratility and impact, the horizontal movement between the upper and lower seat board can not get efficient buffer and resets (earthquake resetting later).Therefore, be necessary the bridge pad in the prior art is done further to improve.
Summary of the invention
The purpose of this utility model is to provide a kind of cloth constraint formula neoprene bearing, and described device can effectively cushion horizontal movement between the upper and lower seat board of severe earthquake action undersetting, and constraint rubber layer lateral expansion improves supporting capacity.The temperature that can effectively overcome bearing becomes and distortion, and decay resistance is strong, excelling in fatigue property.
For reaching above purpose, the utility model adopts the scheme that solves to be: the advantage of antidetonation neoprene bearing before absorbing, and adopt rubber as inner packing material, have the hysteresis performance of rubber, earthquake energy.Adopt cloth, constraint rubber lateral expansion improves supporting capacity.Utilize series of characteristics such as intrinsic high temperature resistant, the endurance of cloth, creep resistant, shock damping in addition.Improve the internal damping of bearing, and weight is compared reduction much with the laminated rubber bearing of same size.Compare with the existing shock insulation steel support that subtracts commonly used, weight and the cost of cloth constraint formula neoprene bearing have more had reduction significantly, have damping energy dissipation ability preferably simultaneously, thereby make the extensive utilization that subtracts the shock insulation Seismic Design Method become possibility.
Accordingly, the cloth constraint formula neoprene bearing that the utility model proposes, comprise rubber layer 1, upper end steel plate 2, lower end steel plate 3 and cloth 4, upper end steel plate 2 is positioned at lower end steel plate 3 tops, be placed with the cavity of being formed by rubber layer 1 between upper end steel plate 2 and the lower end steel plate 3, described rubber layer 1 is for placing layer by layer, the periphery of rubber layer 1 is coated with cloth 4, described cloth 4 is for full wafer form or hollow out form are coated on outside the rubber layer 1, and the cavity periphery between upper end steel plate 2 and the lower end steel plate 3 is enclosed with one deck or some layers of cloth 4.
In the utility model, described upper end steel plate 2 and lower end steel plate 3 can be designed to rectangle or circle according to actual needs, or the actual needs shape.
In the utility model, be equipped with bolt hole 5 on described upper end steel plate 2 and the lower end steel plate 3.
Advantage of the present utility model is:
1, adopts cloth parcel rubber layer, effectively cushion horizontal movement between the upper and lower seat board of severe earthquake action undersetting.Retrain the rubber layer lateral expansion, improved supporting capacity.And rubber layer itself has good hysteresis performance, can earthquake energy.
2,, adopt cloth parcel rubber layer, utilized series of characteristics such as intrinsic high temperature resistant, the endurance of cloth, creep resistant on the one hand, and this also is that traditional rubber layer is not available.On the other hand, cloth retrains formula rubber layer bearing, has improved the internal damping of bearing, has good damping energy dissipation ability.
3, adopt hollow out form cloth parcel layering rubber layer, can be good at deformability, improve internal damping, consume the energy that earthquake produces.And can wrap up one deck or some layers of cloth as required.Or according to bearing stressed and anamorphic effect, adopt part to wrap up the cloth method.
In a word, the utility model simple structure, production and easy to use, safety.Quality is light, anti-seismic performance is stable, and is cheap.And can be used for old bearing and reinforce use.
Description of drawings
Accompanying drawing is embodiment of the present utility model, wherein:
Fig. 1 cloth constraint formula neoprene bearing schematic diagram.
Fig. 2 rectangular fiber cloth constraint formula neoprene bearing cloth schematic diagram.
Fig. 3 circular fiber cloth constraint formula neoprene bearing cloth schematic diagram.
Fig. 4 cloth constraint formula neoprene bearing sectional drawing.
Number in the figure: 1 is rubber layer, and 2 is the upper end steel plate, and 3 is the lower end steel plate, and 4 is cloth.
The specific embodiment
For the auditor that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates by reference to the accompanying drawings in the mode of embodiment below, but all be not restriction to the utility model scheme to the description of embodiment, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.
Embodiment 1: referring to Fig. 1, Fig. 2, Fig. 3, rectangle or circular lower end steel plate 3 are fixed with the bridge pier of bridge under the use state, and the bolt hole 5. of having offered all around of lower end steel plate 3 is used for lower end steel plate 3 and the built-in fitting on the bridge pier are fixed for this reason.Rectangle or circular upper end steel plate 2, fixing with the girder bottom surface (the beam body that also claims bridge) of bridge under the use state, around upper end steel plate 2, offer bolt hole 5 for this reason, with bolt hole 5 upper end steel plate 2 and girder bottom surface are fixed.
Ginseng Fig. 2 and Fig. 3 be full of the layering rubber layer 1 that cloth is wrapped up in the cavity between upper end steel plate 2 and lower end steel plate 3, and cloth 4 can be selected different hollow out forms as required.And wrap up some cloth 4 according to actual needs in rubber layer 1 outside, and be integrated with epoxide resin material more afterwards, form fibre restriction formula neoprene bearing.
Referring to Fig. 4, the sectional drawing of circular fiber cloth constraint formula neoprene bearing.The parcel number of plies of the cloth of the number of plies of parcel layering rubber layer 1, the hollow out form of cloth 4, whole bearing outside can be selected according to actual conditions certainly.
Claims (3)
1. a cloth retrains the formula neoprene bearing, it is characterized in that comprising rubber layer (1), upper end steel plate (2), lower end steel plate (3) and cloth (4), upper end steel plate (2) is positioned at lower end steel plate (3) top, be placed with the cavity of being formed by rubber layer (1) between upper end steel plate (2) and the lower end steel plate (3), described rubber layer (1) is for placing layer by layer, the periphery of rubber layer (1) is coated with cloth (4), described cloth (4) is for full wafer form or hollow out form are coated on outside the rubber layer (1), and the cavity periphery between upper end steel plate (2) and the lower end steel plate (3) is enclosed with one deck or some layers of cloth (4).
2. cloth constraint formula neoprene bearing according to claim 1 is characterized in that described upper end steel plate (2) and lower end steel plate (3) are rectangle or circle.
3. cloth constraint formula neoprene bearing according to claim 1 is characterized in that being equipped with bolt hole (5) on described upper end steel plate (2) and the lower end steel plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220699381 CN203065958U (en) | 2012-12-18 | 2012-12-18 | Fiber cloth constraint-type rubber supporting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220699381 CN203065958U (en) | 2012-12-18 | 2012-12-18 | Fiber cloth constraint-type rubber supporting seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203065958U true CN203065958U (en) | 2013-07-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220699381 Expired - Fee Related CN203065958U (en) | 2012-12-18 | 2012-12-18 | Fiber cloth constraint-type rubber supporting seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203065958U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032671A (en) * | 2014-06-17 | 2014-09-10 | 同济大学 | High-damp rubber supporting seat compositing high-strength fine steel wire mesh with reinforced steel fibers |
| CN108824182A (en) * | 2018-09-04 | 2018-11-16 | 南京林业大学 | A kind of FRP constraint type pot rubber bearing |
| CN108824179A (en) * | 2018-08-21 | 2018-11-16 | 南京林业大学 | A kind of enhanced rubber support of constraint |
| CN114277954A (en) * | 2022-01-21 | 2022-04-05 | 广州大学 | Three-dimensional bar-shaped constraint shock insulation and vibration reduction support and manufacturing method thereof |
| CN115306050A (en) * | 2022-07-11 | 2022-11-08 | 路安交科(北京)监测科技有限公司 | Brush type three-dimensional shock isolator |
-
2012
- 2012-12-18 CN CN 201220699381 patent/CN203065958U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104032671A (en) * | 2014-06-17 | 2014-09-10 | 同济大学 | High-damp rubber supporting seat compositing high-strength fine steel wire mesh with reinforced steel fibers |
| CN104032671B (en) * | 2014-06-17 | 2016-08-24 | 同济大学 | High-strength fine and closely woven steel wire steel fibre of putting more energy into is combined high-damp rubber support |
| CN108824179A (en) * | 2018-08-21 | 2018-11-16 | 南京林业大学 | A kind of enhanced rubber support of constraint |
| CN108824182A (en) * | 2018-09-04 | 2018-11-16 | 南京林业大学 | A kind of FRP constraint type pot rubber bearing |
| CN114277954A (en) * | 2022-01-21 | 2022-04-05 | 广州大学 | Three-dimensional bar-shaped constraint shock insulation and vibration reduction support and manufacturing method thereof |
| CN114277954B (en) * | 2022-01-21 | 2023-03-14 | 广州大学 | Three-dimensional bar-shaped constraint shock insulation and vibration reduction support and manufacturing method thereof |
| CN115306050A (en) * | 2022-07-11 | 2022-11-08 | 路安交科(北京)监测科技有限公司 | Brush type three-dimensional shock isolator |
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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: 20130717 Termination date: 20151218 |
|
| EXPY | Termination of patent right or utility model |