CN203668818U - Drum-shaped composite rubber anti-seismic support of bridge - Google Patents
Drum-shaped composite rubber anti-seismic support of bridge Download PDFInfo
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- CN203668818U CN203668818U CN201320788984.5U CN201320788984U CN203668818U CN 203668818 U CN203668818 U CN 203668818U CN 201320788984 U CN201320788984 U CN 201320788984U CN 203668818 U CN203668818 U CN 203668818U
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- composite rubber
- rubber drum
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Abstract
The utility model relates to a drum-shaped composite rubber anti-seismic support of a bridge. The drum-shaped composite rubber anti-seismic support is formed by a composite rubber drum, a high-strength rope net and a rubber drum shell. The high-strength rope net with the isotropic constraint capacity is tightly wrapped on the composite rubber drum. The composite rubber drum is sleeved with the high-strength rope net, and the high-strength rope net is sleeved with the rubber drum shell. The rubber drum shell is tightly wrapped on the combination of the inner rubber drum and the high-strength rope net in a rubber vulcanized mode. Lateral expansion of rubber is limited through the wrapped high-strength rope net, and the bearing capacity is greatly improved. When the drum-shaped composite rubber anti-seismic support is normally used, the requirements of temperature changes and vehicle impact force can be met; under the effect of a moderate earthquake or a great earthquake, the rubber support can slightly slide and rotate so that the earthquake force transmitted to the lower structure of the bridge can be reduced. In addition, constraint fibers with the characteristics such as inherent high-temperature resistance, fatigue resistance and creep resistance are applied to the rubber support. To sum up, the drum-shaped composite rubber anti-seismic support is simple in structure, convenient and safe to produce and use, light in weight, stable in anti-seismic performance and low in manufacturing cost, and parameters of components can be adjusted according to actual demands.
Description
Technical field
The utility model belongs to civil engineering, bridge pad technical field, is applicable to railway bridge, road bridge, urban viaduct etc. and plays cushioning effect.Be specifically related to a kind of shock mount that composite material and rubber phase are combined: be particularly related to a kind of drum type compounded rubber shock-absorbing bridge support.
Background technology
In recent years, vibration absorption and isolation support subtracts the important measures of shock insulation as bridge, obtained increasing attention, and has obtained great development.Composite material is to be accompanied by the development of military project cause and the new material of growing up, and belongs to high-new technology products, has a series of excellent properties such as high specific strength, high ratio modulus, high temperature resistant, corrosion-resistant, creep resistant.There is shock damping characteristic specific to seismic field, can absorbing vibration ripple, make earthquake-proof ability and flexural strength improve tens times.
Chinese utility model patent notice of authorization 203065958U discloses a kind of cloth constraint formula neoprene bearing, in cavity between upper and lower side steel plate, be full of the rubber layer that adopts hollow out form cloth parcel, and the one deck or the some layers of cloth that need in the parcel design of the outside of overall bearing.Utilize cloth to retrain rubber layer lateral expansion, improve supporting capacity and rubber layer itself and there is good Hysteresis Behavior, can earthquake energy.In addition, the series of characteristics such as intrinsic high temperature resistant, the endurance of cloth, creep resistant have been utilized.
Chinese invention patent notice of authorization 103334376A discloses a kind of compounded rubber ball shock-absorbing bridge support, is made up of inner compounded rubber ball, high-strength netting and outside rubber spherical shell.The structure composition of inner compounded rubber spheroid and the existence of wrapping up high-strength netting have retrained the level of inner compounded rubber ball after pressurized effectively to distortion, have improved greatly the vertical bearing capacity of bearing.When normal use, the utility model can play by distortion the effect of fixed bearing; Do the used time compared with small earthquake, the utility model can be out of shape and be consumed the effect energy that earthquake produces bridge by bearing; Under severe earthquake action, the utility model can occur to slide and rotate, and effectively reduces the seismic forces demand of substructure.The utility model is simple in structure, easy to make, cost performance is high, has higher economic benefit and social benefit.
But above-mentioned two patented technology schemes all come with some shortcomings: cloth constraint formula neoprene bearing Lack of support, and under geological process, horizontal distortion is limited.Although compounded rubber ball shock-absorbing bridge support bearing capacity, shear resistance increase, when under large shake effect, vertical bridge, to rolling with direction across bridge, need to be combined use with stopping means.In addition, the horizontal movement between upper and lower seat board can not get effectively buffering and reset (in earthquake reset later).Therefore, be necessary the bridge pad in prior art to be improved further.
In view of the deficiency that above-mentioned dissimilar bearing exists, we,, on the basis of cloth constraint formula neoprene bearing, compounded rubber ball shock-absorbing bridge support, are combined with rubber phase in conjunction with current advanced composite material (ACM), a kind of drum type compounded rubber of design forming shock mount.
Summary of the invention
The utility model utilizes new material, overcome above-mentioned bearing deficiency, provide one to possess higher vertical bearing capacity, meet normal usage function, and can, by a small amount of slip and the rotation of bearing under middle shake or large shake effect, reduce the neoprene bearing that is delivered to substructure seismic forces.
For reaching above object, the utility model adopts following solution: bearing adopts overall drum type, compounded rubber drum adopts composite rubber material, at the high-strength netting of compounded rubber drum outer wrapping, and vulcanizes outward and forms outer layer rubber drum shell at the assembly of compounded rubber drum and high-strength netting.Wherein compounded rubber drum comprises netting frame construction, and the composite rubber material of the fibrous material that can be also even admixture is made; Parcel can adopt multiple material with high-performance netting, as high tensile steel wire, macromolecular fibre cloth etc.; Its objective is in the time that bearing is subject to load action, compounded rubber drum is given full play to the tensile property of fibrous composite together with high-strength netting, in the distortion of space constraint core rubber bodies, far exceed the built-in steel-sheet effect of contraction of traditional neoprene bearing, thereby can greatly increase the axial carrying capacity of bearing.
At normal operating condition or compared with under small earthquake, drum type compounded rubber shock-absorbing bridge support deforms under superstructure load action, and bearing has the function identical with traditional laminated rubber bearing.Under middle shake or severe earthquake action, utilize the frictional force of drum type compounded rubber shock-absorbing bridge support and bearing pad stone, bearing generation shear strain, consumed energy; Meanwhile, rubber bodies makes the girder of bridge with bearing, a small amount of slip and corner, unlikely destruction occur in seismic process.Thereby ensure the traffic capacity after bridge shake; Meanwhile, because drum type compounded rubber shock-absorbing bridge support has isotropic feature, bearing is applied widely, and can play a role to the earthquake motion input from all directions.
The drum type compounded rubber shock-absorbing bridge support the utility model proposes, formed by compounded rubber drum 1, high-strength netting 2 and rubber drum shell 3, wherein: described compounded rubber drum 1 and rubber drum shell 3 are all drum type structure, in compounded rubber drum 1, are furnished with equably about bundle fiber according to rule; Described high-strength netting 2 is closely wrapped in outside compounded rubber drum 1; Assembly and the rubber drum shell 3 of described compounded rubber drum 1 and high-strength netting 2 are nested with mutually.
In the utility model, described high-strength netting 2 adopts high tensile steel wire or high-intensity fiber to make, and establishment is triangular mesh.
In the utility model, the external diameter of described rubber drum shell 3 is greater than the diameter of the combination drum body of compounded rubber drum 1 and high-strength netting 2, and rubber drum shell 3 even thickness, can change according to structure and designing requirement.
In the utility model, described compounded rubber drum 1, high-strength netting 2 are entirety with the 3 three's sulfurations of rubber drum shell.
In the utility model, described compounded rubber drum 1 is solid bulging body.Can be to comprise the solid bulging body of inner netting frame construction, the composite rubber material of the fibrous material that can be also even admixture be made solid bulging body.
In the utility model, described high-strength netting must be woven into the grid with isotropism restriction ability (as triangle), meanwhile, closely wraps up compounded rubber drum.
The advantage of the technical scheme that the utility model provides:
1) existence that the structure of compounded rubber drum body composition and appearance are wrapped up high-strength netting has retrained the lateral deformation of rubber bodies after pressurized effectively, has improved greatly the vertical bearing capacity of bearing.
2) friction factor of rubber and pier (beam) body is greater than the friction factor of polytetrafluoro slide plate and steel plate, in compared with small earthquake situation, by bearing sliding and shear strain, can consume and shake more the effect energy that bridge is produced.
3), under severe earthquake action, can there is a small amount of slip and corner in bearing, effectively reduce the seismic forces demand of substructure, compares normal stack neoprene bearing and have more excellent damping and isolation effect.
4) drum type structure does not only have directive constraint in the time reducing the Earthquake horizontal component of horizontal direction, and can also reduce structure in vertical seismic components.
In a word, the utility model is applicable on the building of railway bridge, road bridge, urban viaduct and various suspension frame structures and so on, rises and subtracts function of shock insulation.
Brief description of the drawings
Fig. 1 is overall diagram of the present utility model.
Fig. 2 is the utility model longitudinal section.
Fig. 3 is sectional elevation of the present utility model.
Fig. 4 is enforcement assembling schematic diagram of the present utility model.
Number in the figure: 1 is compounded rubber drum, and 2 is high-strength netting, and 3 is rubber drum shell.
Detailed description of the invention
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, applicant elaborates the mode with embodiment below by reference to the accompanying drawings.
Embodiment 1: ask for an interview Fig. 1, Fig. 2, Fig. 3 and Fig. 4, drum type compounded rubber shock-absorbing bridge support, is made up of compounded rubber drum 1, high-strength netting 2 and rubber drum shell 3.
Be solid bulging body as one of technical essential of the present utility model compounded rubber drum 1, comprise the approximately bundle fiber presenting according to certain rule, the arrangement of about bundle fiber in drum body is each to identical, is in order to ensure that drum body is isotropic in the time moving.
High-strength netting 2 as one of technical essential of the present utility model adopts high tensile steel wire, or high-intensity fiber etc. has the material of stronger resistance to tension.
High-strength netting 2 as one of technical essential of the present utility model is woven into the triangular mesh with isotropism restriction ability, closely wraps up compounded rubber drum 1 in space.
As the rubber drum shell 3 of one of technical essential of the present utility model for to make by the vulcanization of rubber outside the assembly of compounded rubber drum 1 and high-strength netting 2, the assembly of closely knit parcel compounded rubber drum 1 and high-strength netting 2; External diameter is greater than the diameter of the combination drum body of compounded rubber drum 1 and high-strength netting 2, and drum thickness of the shell is even.
As another conversion of the utility model embodiment, the solid bulging body that the composite rubber material of described compounded rubber drum can be also even admixture fibrous material is made.
As another conversion of the utility model embodiment, intensity, the modulus of elasticity etc. of the netting material of described high-strength netting 2, rope silk sectional dimension, spacing, the number of turns, netting grid configuration, the number of plies and manufactured materials all can need to be adjusted according to design.
As another conversion of the utility model embodiment, can need to design and adjust according to mechanics and structure for the concrete shape of rubber drum shell 3 and the thickness that wrap up compounded rubber drum 1 and high-strength netting 2 assemblys.
Above-mentioned is not all the restriction to the utility model scheme to the description of embodiment; therefore; protection domain of the present utility model is not only confined to above-described embodiment; any what make according to the utility model design is only pro forma but not substantial various amendment and improvement, within all should being considered as dropping on protection domain of the present utility model.
Claims (5)
1. a drum type compounded rubber shock-absorbing bridge support, formed by compounded rubber drum (1), high-strength netting (2) and rubber drum shell (3), it is characterized in that: described compounded rubber drum (1) and rubber drum shell (3) are all drum type structure, in compounded rubber drum (1), be furnished with equably about bundle fiber according to rule; Described high-strength netting (2) is closely wrapped in outside compounded rubber drum (1); Assembly and the rubber drum shell (3) of described compounded rubber drum (1) and high-strength netting (2) are nested with mutually.
2. drum type compounded rubber shock-absorbing bridge support according to claim 1, it is characterized in that described high-strength netting (2) adopts high tensile steel wire or high-intensity fiber to make, and establishment is triangular mesh.
3. drum type compounded rubber shock-absorbing bridge support according to claim 1, it is characterized in that the external diameter of described rubber drum shell (3) is greater than the diameter of the combination drum body of compounded rubber drum (1) and high-strength netting (2), rubber drum shell (3) even thickness, can change according to structure and designing requirement.
4. drum type compounded rubber shock-absorbing bridge support according to claim 1, is characterized in that described compounded rubber drum (1), high-strength netting (2) are entirety with rubber drum shell (3) three sulfuration.
5. drum type compounded rubber shock-absorbing bridge support according to claim 1, is characterized in that described compounded rubber drum (1) is for solid bulging body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788984.5U CN203668818U (en) | 2013-12-05 | 2013-12-05 | Drum-shaped composite rubber anti-seismic support of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320788984.5U CN203668818U (en) | 2013-12-05 | 2013-12-05 | Drum-shaped composite rubber anti-seismic support of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203668818U true CN203668818U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320788984.5U Expired - Fee Related CN203668818U (en) | 2013-12-05 | 2013-12-05 | Drum-shaped composite rubber anti-seismic support of bridge |
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| CN (1) | CN203668818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824182A (en) * | 2018-09-04 | 2018-11-16 | 南京林业大学 | A kind of FRP constraint type pot rubber bearing |
-
2013
- 2013-12-05 CN CN201320788984.5U patent/CN203668818U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108824182A (en) * | 2018-09-04 | 2018-11-16 | 南京林业大学 | A kind of FRP constraint type pot rubber bearing |
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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: 20140625 Termination date: 20161205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |