CN207582286U - A kind of hemisphere convex type rubber damping bearing of urban viaduct - Google Patents
A kind of hemisphere convex type rubber damping bearing of urban viaduct Download PDFInfo
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- CN207582286U CN207582286U CN201721519622.0U CN201721519622U CN207582286U CN 207582286 U CN207582286 U CN 207582286U CN 201721519622 U CN201721519622 U CN 201721519622U CN 207582286 U CN207582286 U CN 207582286U
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- rubber
- steel basin
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- support plate
- damping
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Abstract
The utility model discloses a kind of hemisphere convex type rubber damping bearings of urban viaduct, including upper anchoring rods, upper bracket plate, lower support plate, intermediate rubber body, lower anchoring rods, upper steel basin, lower steel basin, ring-shaped rubber, upper bracket plate upper end is equipped with more upper anchoring rods, lower support plate lower end is equipped with more lower anchoring rods, ring-shaped rubber there are one being set between lower steel basin and upper bracket plate lower part, ring-shaped rubber and lower steel basin upper surface and upper bracket plate lower surface close adhesion, if intermediate rubber body is spaced bonding successively by several floor height damping rubber pieces and dried layer steel plate, vulcanize, wherein the upper surface of topmost high-damping rubber piece and the lower surface of lowest part high-damping rubber piece are both provided with several hemisphere protrusion, the geometric dimension all same of each hemisphere protrusion.The hemisphere convex type rubber damping bearing of the utility model urban viaduct can realize that bridge vertically subtracts vibration isolation function, and limit bridge direction across bridge and vertical bridge simultaneously to displacement to ensure bridge security.
Description
Technical field
The utility model belongs to the hemisphere convex type rubber of bridge decreasing vibration technique field more particularly to a kind of urban viaduct
Vibration damping holder.
Background technology
Urban viaduct is promoted and answers in many cities as a kind of effective ways for solving urban traffic blocking
With.But even pass through residential quarter intensive in city, commercial center, cultural center, high-tech since most of elevated lines are close
Skill industry park etc., they also bring serious ambient vibration problem while trip is convenient for people to.Such as Beijing, Shanghai, wide
Big city as state, the shortest distance of the elevated line from building only have several meters, the ambient vibration induced to neighboring buildings,
Human body and various instrument and equipments cause serious negative effect.Thus in the construction of urban viaduct to bridge in itself
Subtract vibration isolation and propose requirements at the higher level.Ambient vibration problem is caused for overpass vehicle in Practical Project, research is generally bridge both at home and abroad
Beam support carries out Vehicle-bridge Coupling Analysis as non-yielding prop, has ignored its shadow for causing to vibrate to bridge vehicle as sinking support
It rings, and concern level subtracts shock insulation function and is not concerned with vertically subtracting vibration isolation function more than existing highway bridge bearing.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of hemisphere convex type rubber damping of urban viaduct
Bearing realizes that bridge vertically subtracts vibration isolation function, and limit bridge direction across bridge and vertical bridge simultaneously to displacement to ensure bridge security.
Technical solution is used by the utility model solves its technical problem：It is convex to provide a kind of hemisphere of urban viaduct
Formula rubber damping bearing is played, including upper anchoring rods, upper bracket plate, lower support plate, lower anchoring rods, upper steel basin, lower steel basin, is further included
Intermediate rubber body, ring-shaped rubber, the upper surface of upper steel basin are fixedly connected with the lower surface of upper bracket plate, the lower surface of lower steel basin with
The upper surface of lower support plate is fixedly connected, and upper bracket plate upper end is equipped with more upper anchoring rods, and lower support plate lower end is equipped under more
Anchoring rods are set between lower steel basin and upper bracket plate lower part there are one ring-shaped rubber, ring-shaped rubber and lower steel basin upper surface and on
Support plate lower surface close adhesion, if intermediate rubber body by several floor height damping rubber pieces and dried layer steel plate be spaced successively bonding,
Vulcanize, if the wherein upper surface of topmost high-damping rubber piece and the lower surface of lowest part high-damping rubber piece is both provided with
Dry hemisphere protrusion, the geometric dimension all same of each hemisphere protrusion.Upper hemispherical protrusion and a floor height damping rubber piece topmost
It is integrated, lower hemisphere protrusion is integrated with a bottom floor height damping rubber piece.Lower steel basin play positioning intermediate rubber and
Constrain the effect of intermediate rubber lateral expansion.The rigidity of ring-shaped rubber body is smaller than the rigidity of intermediate rubber body, therefore main carrying
Intermediate rubber body is remained with vibration isolation, and ring-shaped rubber mainly causes the compression of intermediate rubber body excessive load is excessive, prevents
Lower steel basin forms rigid contact with upper bracket plate lower surface, weakens effectiveness in vibration suppression.In addition ring-shaped rubber also acts as the intermediate rubber of positioning
Colloid, the effect born bearing tensile stress, constrain lower support plate lateral displacement.
By above-mentioned technical proposal, upper bracket plate sets four upper anchoring rods, stretch into the upper steel basin of upper bracket plate and with it is upper
Steel basin is rigidly connected, and lower support plate sets four lower anchoring rods, stretches into lower support plate and is rigidly connected with lower support plate.Upper branch
Seat board is closely welded with upper steel basin, and lower support plate is closely welded with lower steel basin.
By above-mentioned technical proposal, dustband is equipped between upper steel basin and lower support plate, upper steel basin inner wall is equipped with a circle rubber
Film, rubber membrane are bonded with upper steel basin inner tight.Dustband can prevent external dust, rainwater from entering Seat Seal mechanism, rubber
Film can prevent from colliding between steel basin and steel basin when bearing has lateral displacement, in upper bracket slab basin and undersetting slab basin
Between formed buffering resistance to compression, vibration isolation protective effect.
By above-mentioned technical proposal, upper bracket plate lower surface and lower support plate upper surface respectively bond one layer of modified tetrafluoroethene
Plate, the upper hemispherical protrusion of intermediate rubber body and lower hemisphere protrusion respectively with upper modified tetrafluoroethene plate and lower modified tetrafluoro second
Alkene plate is contacted but is not bonded.Modified tetrafluoroethene slide plate has from sliding and wearability, can effectively reduce intermediate rubber and up and down
The friction of support plate.
By above-mentioned technical proposal, hemisphere protrusion is equally spaced by the center of circle of high-damping rubber piece along radial direction.It is identical
Hemisphere protrusion can ensure that each hemisphere protrusion rigidity is identical, uniform force.
The diameter of intermediate rubber body is more smaller than undersetting slab basin internal diameter.In the external wall of intermediate rubber and undersetting slab basin
Wall incomplete contact between.It is possible thereby to meet the needs of lateral displacement, make bearing rotation flexible.
The utility model generate advantageous effect be：(1) vibration damping holder provided by the utility model, intermediate rubber body is by height
If damping rubber piece is inlayed with dried layer steel plate, bonds, vulcanized, vertical rigidity can ensure to hold overpass superstructure
Power is carried, reduces the deflection of bridge span under dynamic vehicle load effect, and embedded with several steel plates being evenly arranged inside rubber, it can operative constraint
The lateral expansion of rubber.
(2) the utility model use high-damping rubber, principle be absorb vibrational energy and reduce bridge superstructure and
Coupling stiffness between bridge pier reduces the intrinsic frequency of bridge superstructure, allows the excited frequency of extraneous inputted vibration with being
The ratio between system intrinsic frequency increases to vibration damping section, and bearing is made to realize vibration-damping function by way of energy consumption and shift frequency.
(3) the utility model is different from existing rubber support, upper and lower surface and the upper bracket plate following table of existing rubber support
Face and lower support plate upper surface close adhesion, and the utility model intermediate rubber body is respectively equipped with several hemisphere protrusion up and down,
The each one block of modified tetrafluoroethene plate of bonding in upper bracket plate lower surface and lower support plate upper surface, the hemisphere above and below intermediate rubber body are convex
It rises and contacts but do not bond with modified tetrafluoroethene plate, contact becomes point contact, and the external diameter of intermediate rubber is less than lower steel from face
Basin internal diameter can greatly reduce the friction of rubber and upper lower support plate, meet the needs of lateral displacement, and horizontal displacement is increased
Greatly, rotation is flexible.
(4) the utility model intermediate rubber body is respectively provided with several hemisphere protrusion up and down, is formed with upper lower support plate several
A point contact, it can disperse the stress that holder top transmits well compared with plane contact and single spherical crown contact, by
Each hemisphere protrusion undertakes, and can greatly improve the contact strength of bearing, and the rigidity of each hemisphere protrusion can make intermediate rubber
The rigidity of colloid reduces so that the load compressive deformation performance of the utility model is more preferable, and effectiveness in vibration suppression becomes apparent from.
(5) the utility model is different from existing bearing, and existing bearing is integrally contacted with upper and lower abutment surface, if contact
It is destroyed at face one, then being inconjunction with the contact surface on periphery can also be affected so that friction increase generates crack and influences
The stress of bearing entirety, and the utility model intermediate rubber is respectively provided with several hemisphere protrusion up and down, these protrusions are cooperated with each other
It cooperates, but respectively undertakes respective stress, to be destroyed even if there are one protrusions, entire intermediate rubber will not be influenced
The effectiveness in vibration suppression to bearing.
(6) the utility model is bridge fixed vibration damping holder, and simple in structure and reasonable design realizes overhead road of city
Bridge subtracts vibration isolation function.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is that the hemisphere convex type rubber damping bearing frontal planar section of the utility model embodiment urban viaduct shows
It is intended to；
Fig. 2 is the hemisphere convex type rubber damping bearing schematic three dimensional views of the utility model embodiment urban viaduct.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
In the utility model embodiment, a kind of hemisphere convex type rubber damping bearing of urban viaduct is provided, including upper
Anchoring rods, upper bracket plate, lower support plate, lower anchoring rods, upper steel basin, lower steel basin, further include intermediate rubber body, ring-shaped rubber, on
The upper surface of steel basin is fixedly connected with the lower surface of upper bracket plate, and the lower surface of lower steel basin and the upper surface of lower support plate are fixed and connected
It connects, upper bracket plate upper end is equipped with more upper anchoring rods, and lower support plate lower end is equipped with more lower anchoring rods, lower steel basin and upper bracket plate
It is set between lower part there are one ring-shaped rubber, ring-shaped rubber and lower steel basin upper surface and upper bracket plate lower surface close adhesion, in
If rubber bodies are spaced bonding with dried layer steel plate by several floor height damping rubber pieces, vulcanize successively between, wherein topmost high resistant
The upper surface of Buddhist nun's sheet rubber and the lower surface of lowest part high-damping rubber piece are both provided with several hemisphere protrusion, each hemisphere protrusion
Geometric dimension all same.Upper hemispherical protrusion with topmost a floor height damping rubber piece be integrated, lower hemisphere protrusion with most
A floor height damping rubber piece is integrated below.Lower steel basin plays positioning intermediate rubber and constrains the work of intermediate rubber lateral expansion
With.The rigidity of ring-shaped rubber body is smaller than the rigidity of intermediate rubber body, therefore main carrying and vibration isolation remain intermediate rubber body,
Ring-shaped rubber mainly load it is excessive cause intermediate rubber body compression it is excessive, prevent lower steel basin from being formed with upper bracket plate lower surface
Rigid contact weakens effectiveness in vibration suppression.In addition ring-shaped rubber also acts as positioning intermediate rubber body, bears under bearing tensile stress, constraint
The effect of support plate lateral displacement.
Further, upper bracket plate sets four upper anchoring rods, stretches into the upper steel basin of upper bracket plate and firm with upper steel basin
Property connection, lower support plate sets four lower anchoring rods, stretches into lower support plate and be rigidly connected with lower support plate.Upper bracket plate with
Upper steel basin closely welds, and lower support plate is closely welded with lower steel basin.
Further, dustband is equipped between upper steel basin and lower support plate, upper steel basin inner wall is equipped with a circle rubber membrane, rubber
Film is bonded with upper steel basin inner tight.Dustband can prevent external dust, rainwater from entering Seat Seal mechanism, and rubber membrane can be
It when bearing has lateral displacement, prevents from colliding between steel basin and steel basin, be formed between upper bracket slab basin and undersetting slab basin
Buffer resistance to compression, vibration isolation protective effect.
Further, upper bracket plate lower surface and lower support plate upper surface respectively bond one layer of modified tetrafluoroethene plate, intermediate
The upper hemispherical protrusion of rubber bodies connects with lower hemisphere protrusion with upper modified tetrafluoroethene plate and lower modified tetrafluoroethene plate respectively
It touches but does not bond.Modification tetrafluoroethene slide plate is slided with oneself and wearability, can effectively reduce intermediate rubber and upper lower support plate
Friction.
Further, hemisphere protrusion is equally spaced by the center of circle of high-damping rubber piece along radial direction.Identical hemisphere
Protrusion can ensure that each hemisphere protrusion rigidity is identical, uniform force.
The diameter of intermediate rubber body is more smaller than lower steel basin internal diameter.The external wall of intermediate rubber not exclusively connects with lower steel basin inner wall
It touches.It is possible thereby to meet the needs of lateral displacement, make bearing rotation flexible.
In the preferred embodiment of the utility model, referring to Fig. 1-Fig. 2, the hemisphere convex type rubber of urban viaduct is provided
Vibration damping holder, including upper anchoring rods 1, upper bracket plate 2, lower support plate 3, upper modified tetrafluoroethene slide plate 4, intermediate rubber body 5, ring
Shape rubber 6, rubber membrane 7, dustband 8, lower anchoring rods 9, lower modified tetrafluoroethene slide plate 10, steel plate 11, upper steel basin 12, lower steel basin
13rd, hemisphere protrusion 14.Upper bracket plate 2 sets four upper anchoring rods 1, stretches into the upper steel basin 12 of upper bracket plate 2 and has just connect therewith, under
Support plate 3 sets four anchoring rods 9, stretches into lower support plate 3 and has just connect therewith.Upper bracket plate 2 is closely welded with upper steel basin 12, under
Support plate 3 is closely welded with lower steel basin 13.Lower steel basin 13 plays positioning intermediate rubber body 5 and constraint intermediate rubber body 5 is lateral
The effect of expansion.
Referring to Fig. 1-Fig. 2, dustband 8 is equipped between upper steel basin 12 and lower support plate 3, upper 12 inner wall of steel basin is equipped with a circle
Rubber membrane 7, rubber membrane 7 have certain thickness, are bonded with upper 12 inner tight of steel basin.Dustband can prevent external dust, rainwater
Into Seat Seal mechanism, rubber membrane can prevent from colliding between steel basin and steel basin when bearing has lateral displacement, in upper steel basin
Buffering resistance to compression, vibration isolation protective effect are formed between 12 and lower steel basin 13.
Referring to Fig. 1-Fig. 2, set between 3 lower part of upper steel basin 12 and lower support plate there are one ring-shaped rubber 6, ring-shaped rubber 6 with
Lower 13 upper surface of steel basin and 2 lower surface close adhesion of upper bracket plate.The rigidity of ring-shaped rubber is smaller than the rigidity of intermediate rubber body,
Therefore main carrying and vibration isolation remains intermediate rubber body, and ring-shaped rubber mainly leads to intermediate rubber body pressure load is excessive
It contracts excessive, prevents lower steel basin 13 from forming rigid contact with upper bracket plate lower surface, weaken effectiveness in vibration suppression.In addition ring-shaped rubber also rises
To positioning intermediate rubber, the effect born bearing tensile stress, constrain lower support plate lateral displacement.
Referring to Fig. 1,2 lower surface of upper bracket plate and 3 upper surface of lower support plate respectively bond one layer of modified tetrafluoroethene slide plate 4.
Modification tetrafluoroethene slide plate 4 is slided with oneself and wearability, can effectively reduce the friction of intermediate rubber and upper lower support plate.
Referring to Fig. 1 and Fig. 2, intermediate rubber body has several hemisphere protrusions 14, upper hemispherical protrusion and topmost one about 5
Layer rubber is integrated, and lower hemisphere protrusion is integrated with bottom one layer of rubber, and each hemisphere protrusion 14 is identical, by center of circle edge
Radial direction is equally spaced, and is uniformly distributed increases successively from inside to outside.Identical hemisphere protrusion can ensure each hemisphere protrusion
Rigidity is identical, uniform force.
Referring to Fig. 1 and Fig. 2, intermediate rubber body 5 is inlayed with steel plate 11 by multilayer high-damping rubber, bonded, vulcanized,
With several hemisphere protrusion, making it have vertical rigidity can ensure on overpass for topmost rubber layer and lowest part rubber layer
The bearing capacity of portion's structure, and can operative constraint rubber lateral expansion.
Referring to Fig. 1,5 diameter of intermediate rubber body is more smaller than lower 13 internal diameter of steel basin, in 5 outer wall of intermediate rubber body and lower steel basin 13
Wall incomplete contact between it is possible thereby to meet the needs of lateral displacement, makes bearing rotation flexible.
The utility model uses with hemisphere protrusion and is embedded with the rubber of steel plate and upper lower support plate soap-free emulsion polymeization formula arrangement,
Its vertical rigidity can ensure the bearing capacity to urban viaduct, reduce the deflection of bridge span under Vehicle Load, while can generate
Enough horizontal cross rigidity and longitudinal rigidity ensure that bridge security to limit the horizontal horizontal and vertical displacement of bridge.
The utility model subtracts vibration isolation suitable for urban viaduct, in use, bearing is mounted on bridge and pier
Between platform, enable the bearing that there is enough vertical rigidities and vertical damping, reduction vehicle generates weak in operation
It shakes phenomenon, that realizes urban viaduct subtracts vibration isolation.In addition, the bearing uses the rubber with hemisphere protrusion to replace commonly round
Or square rubber block, contact strength is improved from Multi-contact, reduces the vertical rigidity of rubber, is improved under load action
Compressive deformation performance realizes damping effect, can be with large-scale popularization application.
It should be understood that for those of ordinary skills, can be improved or converted according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (5)
1. a kind of hemisphere convex type rubber damping bearing of urban viaduct, including upper anchoring rods, upper bracket plate, lower support plate,
Lower anchoring rods, upper steel basin, lower steel basin, which is characterized in that further include intermediate rubber body, ring-shaped rubber, the upper surface of upper steel basin with
The lower surface of upper bracket plate is fixedly connected, and the lower surface of lower steel basin is fixedly connected with the upper surface of lower support plate, in upper bracket plate
End is equipped with more upper anchoring rods, and lower support plate lower end is equipped with more lower anchoring rods, is equipped between lower steel basin and upper bracket plate lower part
One ring-shaped rubber, ring-shaped rubber and lower steel basin upper surface and upper bracket plate lower surface close adhesion, if intermediate rubber body by
If dried layer high-damping rubber piece is spaced bonding with dried layer steel plate, vulcanizes successively, wherein topmost high-damping rubber piece is upper
Surface and the lower surface of lowest part high-damping rubber piece are both provided with several hemisphere protrusion, and the geometric dimension of each hemisphere protrusion is equal
It is identical.
2. the hemisphere convex type rubber damping bearing of urban viaduct according to claim 1, which is characterized in that upper bracket
Plate sets four upper anchoring rods, stretches into the upper steel basin of upper bracket plate and is rigidly connected with upper steel basin, lower support plate sets four
Lower anchoring rods are stretched into lower support plate and are rigidly connected with lower support plate.
3. the hemisphere convex type rubber damping bearing of urban viaduct according to claim 1 or 2, which is characterized in that on
Dustband is equipped between steel basin and lower support plate, upper steel basin inner wall is equipped with a circle rubber membrane, rubber membrane and upper steel basin inner tight
Fitting.
4. the hemisphere convex type rubber damping bearing of urban viaduct according to claim 1 or 2, which is characterized in that on
Respectively one layer of modified tetrafluoroethene plate of bonding, the upper hemispherical of intermediate rubber body are raised for support plate lower surface and lower support plate upper surface
It contacts but does not bond with upper modified tetrafluoroethene plate and lower modified tetrafluoroethene plate respectively with lower hemisphere protrusion.
5. the hemisphere convex type rubber damping bearing of urban viaduct according to claim 1 or 2, which is characterized in that half
Ball protrusion is equally spaced by the center of circle of high-damping rubber piece along radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721519622.0U CN207582286U (en) | 2017-11-15 | 2017-11-15 | A kind of hemisphere convex type rubber damping bearing of urban viaduct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721519622.0U CN207582286U (en) | 2017-11-15 | 2017-11-15 | A kind of hemisphere convex type rubber damping bearing of urban viaduct |
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| Publication Number | Publication Date |
|---|---|
| CN207582286U true CN207582286U (en) | 2018-07-06 |
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|---|---|---|---|
| CN201721519622.0U Expired - Fee Related CN207582286U (en) | 2017-11-15 | 2017-11-15 | A kind of hemisphere convex type rubber damping bearing of urban viaduct |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724231A (en) * | 2017-11-15 | 2018-02-23 | 武汉理工大学 | A kind of hemisphere convex type rubber damping bearing of urban viaduct |
| CN109339271A (en) * | 2018-10-15 | 2019-02-15 | 东南大学 | Assembled viscoplasticity vibration damping/shake device and its vibration damping/shake method |
| CN112962435A (en) * | 2021-01-25 | 2021-06-15 | 沈义秀 | Anti-overturning support for bridge |
-
2017
- 2017-11-15 CN CN201721519622.0U patent/CN207582286U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107724231A (en) * | 2017-11-15 | 2018-02-23 | 武汉理工大学 | A kind of hemisphere convex type rubber damping bearing of urban viaduct |
| CN109339271A (en) * | 2018-10-15 | 2019-02-15 | 东南大学 | Assembled viscoplasticity vibration damping/shake device and its vibration damping/shake method |
| CN112962435A (en) * | 2021-01-25 | 2021-06-15 | 沈义秀 | Anti-overturning support for bridge |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20201115 |
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| CF01 | Termination of patent right due to non-payment of annual fee |