CN109083002A - A kind of high-damping shock-absorbing bridge support - Google Patents
A kind of high-damping shock-absorbing bridge support Download PDFInfo
- Publication number
- CN109083002A CN109083002A CN201811334316.9A CN201811334316A CN109083002A CN 109083002 A CN109083002 A CN 109083002A CN 201811334316 A CN201811334316 A CN 201811334316A CN 109083002 A CN109083002 A CN 109083002A
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- China
- Prior art keywords
- backplate
- sleeve
- bottom plate
- cylinder
- bridge support
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present embodiments relate to a kind of high-damping shock-absorbing bridge supports, including bottom plate, cylinder-shaped backplate, top plate and sleeve, the top plate is fixedly connected with sleeve, the sleeve is nested in cylinder-shaped backplate, the cylindrical shape backplate is fixed on bottom plate, tetrafluoroethene slide plate is provided on the cylindrical shape backplate inner close fitting bottom plate, compound rubber ball is installed in the cylinder-shaped backplate, gap setting has damping spring between the cylindrical shape backplate and sleeve, the top plate is connected by anchor bolt A with floorings, and the bottom plate is connected by anchor bolt B with bridge pier.Structure of the embodiment of the present invention is simple, effectively floorings and bridge pier are linked together, it ensure that bridge pad top plate and bottom plate can carry out a certain range of sliding in the horizontal direction by the compound rubber ball in cylinder-shaped backplate, there is certain compression deformation in vertical direction, not only meet the needs of displacement deformation during bridge normal operation, moreover it is possible to play the role of damping energy consumption.
Description
Technical field
The present invention relates to technical field of bridge engineering, and in particular to a kind of high-damping shock-absorbing bridge support.
Background technique
Bridge is the important channel of communications and transportation, and the vibration of bridge floor can seriously affect the service life of bridge, especially encounter earthquake
Disaster etc., it is badly damaged to will cause bridge, leads to interruption of communication, causes heavy economic losses.Therefore, it is needed in bridge structure
Effective damping, shock insulation protection are carried out, bridge pad, which deforms to dissipate by horizontal shear, shakes generated energy, protects bridge
Superstructure is from eaerthquake damage.
Shock-absorbing bridge support is often all huger and heavy at present, and when shock absorber part destroys, reparation is more troublesome,
The flexibility of replacement is lower.In addition some smaller bridge pads are also developed, but damping effect is undesirable, is especially sending out
When Radix Rehmanniae shakes, current bridge pad therefore is developed one kind and can be cut down vertically for the abatement poor effect of transverse energy wave
The bridge pad that energy wave can cut down transverse energy wave again is very necessary.
Summary of the invention
The embodiment of the present invention is designed to provide a kind of high-damping shock-absorbing bridge support, to solve existing highway bridge support
The undesirable problem of damping effect.
To achieve the above object, the embodiment of the present invention provides a kind of high-damping shock-absorbing bridge support, by top plate and bottom
Compound rubber ball is set between plate, and damping spring is horizontally set, solves bridge pad both horizontally and vertically
Finite displacement plays the effect of damping antidetonation, and concrete scheme is as follows:
A kind of high-damping shock-absorbing bridge support, including bottom plate, cylinder-shaped backplate, top plate and sleeve, the top plate and sleeve
It is fixedly connected, the sleeve is nested in cylinder-shaped backplate, and the cylindrical shape backplate is fixed on bottom plate, by floorings and bridge pier
It links together, is provided with tetrafluoroethene slide plate on the cylindrical shape backplate inner close fitting bottom plate, prevents sleeve lower end surface and bottom plate
Between wear, compound rubber ball is installed in the cylinder-shaped backplate, guarantees that level can be slided between top plate and bottom plate, vertically
It can compress, gap setting has damping spring between the cylindrical shape backplate and sleeve, further plays and subtracts in the horizontal direction
Isolating affection, the top plate are connected by anchor bolt A with floorings, and the bottom plate is connected by anchor bolt B with bridge pier；
Further, the material of the bottom plate, cylinder-shaped backplate, top plate and sleeve is steel alloy, it is ensured that bridge pad
Mechanical property；
Further, the bottom plate and top plate with a thickness of 100~150mm, the thickness of the cylindrical shape backplate and sleeve
For 50~80mm；
Further, one ring-shaped rubber bar around its inner sidewall is set in the cylinder-shaped backplate inner sidewall, prevents
Cylinder-shaped backplate and sleeve frictional dissipation；
Further, the cross-sectional diameter of the sleeve is greater than compounded rubber bulb diameter, guarantees that compound rubber ball can be with water
Flat to roll, the diameter of the compound rubber ball is greater than 50~100mm of sleeve height, it is ensured that has certain decrement, is vertically rising
To buffer function；
Further, the gap between the cylinder-shaped backplate and sleeve is 50~80mm, it is ensured that between top plate and bottom plate
Horizontal direction has certain free gap, plays damping effect in the horizontal direction；
Further, a ring is arranged between edge and sleeve on the cylinder-shaped backplate has retractility around its gap
Dust ring prevents the impurity such as dust from entering cylinder-shaped backplate, influences the rolling of compound rubber ball；
Further, the compound rubber ball is made of internal compound rubber ball, high-strength netting and external rubber spherical shell, institute
Internal compound rubber ball is stated by the high-strength netting tight with isotropism restriction ability, then is nested in external ball shell
It is interior, the intensity of compound rubber ball and the transversely deforming amount after compression has been effectively ensured；
Further, it is provided with reinforcing rib between the bottom plate and cylinder-shaped backplate outer wall, further increases bottom plate and circle
Intensity between tubular backplate.
Further, the high-strength netting is made of high tensile steel wire or high-intensity fiber, effectively increases compound rubber ball
Intensity；
Further, the internal compound rubber ball and external rubber spherical shell use natural rubber or high-damping rubber material
It is made, the damping ratio of bridge pad can be effectively improved, so that bridge pad has more excellent damping and isolation effect.
The embodiment of the present invention has the advantages that
The embodiment of the present invention provides a kind of high-damping shock-absorbing bridge support, and structure is simple, effectively by floorings and bridge pier
It links together, ensure that bridge pad top plate and bottom plate in the horizontal direction can be with by the compound rubber ball in cylinder-shaped backplate
A certain range of sliding is carried out, there is certain compression deformation in vertical direction, during not only meeting bridge normal operation
The needs of displacement deformation, moreover it is possible to play the role of damping energy consumption.
Detailed description of the invention
Fig. 1 is a kind of cross-section diagram for high-damping shock-absorbing bridge support that the embodiment of the present invention 1 provides.
Fig. 2 is a kind of cross-sectional view of the compound rubber ball for high-damping shock-absorbing bridge support that the embodiment of the present invention 1 provides.
In figure: 1. bottom plates, 2. cylinder-shaped backplates, 3. top plates, 4. sleeves, 5. tetrafluoroethene slide plates, 6. compound rubber balls, 7.
Damping spring, 8. anchor bolt A, 9. floorings, 10. anchor bolt B, 11. bridge piers, 12. ring-shaped rubber bars, 13. dust rings, 14. inside are multiple
Close ball, 15. high-strength nettings, 16. outside rubber spherical shells, 17. reinforcing ribs.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the invention enforceable qualifications so that those skilled in the art understands and reads, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the present invention
Under the effect of can be generated and the purpose that can reach, it should all still fall in disclosed technology contents and obtain the model that can cover
In enclosing.Meanwhile cited such as "upper", "lower", " left side ", the right side in this specification ", the term of " centre ", be merely convenient to chat
That states is illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing skill without essence
It is held in art, when being also considered as the enforceable scope of the present invention.
Embodiment 1
As shown in Fig. 1~2, a kind of high-damping shock-absorbing bridge support include the bottom plate 1 of alloy steel, cylinder-shaped backplate 2,
Top plate 3 and sleeve 4；The bottom plate 1 and top plate 3 with a thickness of 150mm, the cylindrical shape backplate 2 and sleeve 4 with a thickness of
80mm；The top plate 3 is fixedly connected with sleeve 4, and the cylindrical shape backplate 2 is fixed on bottom plate 1, the bottom plate 1 and cylindrical shape
Reinforcing rib 17 is provided between 2 outer wall of backplate, the sleeve 4 is nested in cylinder-shaped backplate 2, the cylindrical shape backplate 2 and set
Gap between cylinder 4 is 80mm, and gap setting has damping spring 7 between the cylindrical shape backplate 2 and sleeve 4, in the cylinder
A ring-shaped rubber bar 12 around its inner sidewall is arranged in 2 inner sidewall of shape backplate, edge and sleeve 4 on the cylinder-shaped backplate 2
Between the dust ring 13 that a ring has retractility around its gap is set, be provided on the cylindrical shape backplate 2 inner close fitting bottom plate 1
Tetrafluoroethene slide plate 5 is equipped with compound rubber ball 6 in the cylinder-shaped backplate 2, and the cross-sectional diameter of the sleeve 4 is greater than multiple
6 diameter of ball is closed, the diameter of the compound rubber ball 6 is greater than 4 height 100mm of sleeve, and the compound rubber ball 6 is multiple by inside
It closes ball 14, high-strength netting 15 and external rubber spherical shell 16 to form, the internal compound rubber ball 14 is by with isotropism
15 tight of high-strength netting of restriction ability, then be nested in external ball shell 16, the high-strength netting 15 is using high-strength
Steel wire is made, and the internal compound rubber ball 14 and external rubber spherical shell 16 are made using natural rubber material, the top
Plate 3 is connected by anchor bolt A8 with floorings 9, and the bottom plate 1 is connected by anchor bolt B10 with bridge pier 11.
The embodiment of the present invention 1 provides a kind of high-damping shock-absorbing bridge support, and structure is simple, effectively by floorings and bridge pier
It links together, ensure that bridge pad top plate and bottom plate in the horizontal direction can be with by the compound rubber ball in cylinder-shaped backplate
A certain range of sliding is carried out, there is certain compression deformation in vertical direction, during not only meeting bridge normal operation
The needs of displacement deformation, moreover it is possible to play the role of damping energy consumption.
Embodiment 2
A kind of high-damping shock-absorbing bridge support includes bottom plate 1, cylinder-shaped backplate 2, top plate 3 and the sleeve 4 of alloy steel；
The bottom plate 1 and top plate 3 with a thickness of 100mm, the cylindrical shape backplate 2 and sleeve 4 with a thickness of 60mm；The top plate 3 with
Sleeve 4 is fixedly connected, and the cylindrical shape backplate 2 is fixed on bottom plate 1, is arranged between 2 outer wall of the bottom plate 1 and cylinder-shaped backplate
There is reinforcing rib 17, the sleeve 4 is nested in cylinder-shaped backplate 2, the gap 60mm between the cylindrical shape backplate 2 and sleeve 4,
Gap setting has damping spring 7 between the cylindrical shape backplate 2 and sleeve 4, is arranged one in cylinder-shaped 2 inner sidewall of backplate
Around the ring-shaped rubber bar 12 of its inner sidewall, a ring is set around its gap along between sleeve 4 on the cylinder-shaped backplate 2
Dust ring 13 with retractility is provided with tetrafluoroethene slide plate 5 on the cylindrical shape backplate 2 inner close fitting bottom plate 1, in the circle
Tubular backplate 2 is equipped with compound rubber ball 6, and the cross-sectional diameter of the sleeve 4 is greater than 6 diameter of compound rubber ball, described compound
The diameter of ball 6 is greater than 4 height 80mm of sleeve, and the compound rubber ball 6 is by internal compound rubber ball 14,15 and of high-strength netting
External rubber spherical shell 16 forms, and the internal compound rubber ball 14 is close by the high-strength netting 15 with isotropism restriction ability
Package, then be nested in external ball shell 16, the high-strength netting 15 is made of high-intensity fiber, the internal compounded rubber
Ball 14 and external rubber spherical shell 16 are made using high-damping rubber material, and the top plate 3 passes through anchor bolt A8 and 9 phase of floorings
Even, the bottom plate 1 is connected by anchor bolt B10 with bridge pier 11.
The embodiment of the present invention 2 provides a kind of high-damping shock-absorbing bridge support, and structure is simple, effectively by floorings and bridge pier
It links together, ensure that bridge pad top plate and bottom plate in the horizontal direction can be with by the compound rubber ball in cylinder-shaped backplate
A certain range of sliding is carried out, there is certain compression deformation in vertical direction, during not only meeting bridge normal operation
The needs of displacement deformation, moreover it is possible to play the role of damping energy consumption.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of high-damping shock-absorbing bridge support, it is characterised in that: the high-damping shock-absorbing bridge support includes bottom plate (1), circle
Tubular backplate (2), top plate (3) and sleeve (4), the top plate (3) are fixedly connected with sleeve (4), and the sleeve (4) is nested in circle
In tubular backplate (2), the cylindrical shape backplate (2) is fixed on bottom plate (1), described cylindrical shape backplate (2) inner close fitting bottom plate (1)
On be provided with tetrafluoroethene slide plate (5), be equipped with compound rubber ball (6) in the cylinder-shaped backplate (2), the cylindrical shape backplate
(2) gap setting has damping spring (7) between sleeve (4), and the top plate (3) is connected by anchor bolt A (8) with floorings (9),
The bottom plate (1) is connected by anchor bolt B (10) with bridge pier (11).
2. high-damping shock-absorbing bridge support according to claim 1, it is characterised in that: the bottom plate (1), cylinder-shaped backplate
(2), the material of top plate (3) and sleeve (4) is steel alloy.
3. high-damping shock-absorbing bridge support according to claim 1, it is characterised in that: the bottom plate (1) and top plate (3)
With a thickness of 100~150mm, it is described cylindrical shape backplate (2) and sleeve (4) with a thickness of 50~80mm.
4. high-damping shock-absorbing bridge support according to claim 1, it is characterised in that: in the cylinder-shaped backplate (2)
A ring-shaped rubber bar (12) around its inner sidewall is arranged in side wall.
5. high-damping shock-absorbing bridge support according to claim 1, it is characterised in that: the cross section of the sleeve (4) is straight
Diameter is greater than compound rubber ball (6) diameter, and the diameter of the compound rubber ball (6) is greater than 50~100mm of sleeve (4) height.
6. high-damping shock-absorbing bridge support according to claim 1, it is characterised in that: the cylindrical shape backplate (2) and set
Gap between cylinder (4) is 50~80mm.
7. high-damping shock-absorbing bridge support according to claim 1, it is characterised in that: on the cylinder-shaped backplate (2)
Along be arranged between sleeve (4) ring around its gap have retractility dust ring (13).
8. high-damping shock-absorbing bridge support according to claim 1, it is characterised in that: the compound rubber ball (6) is by interior
Portion's compound rubber ball (14), high-strength netting (15) and external rubber spherical shell (16) form, described internal compound rubber ball (14) quilt
High-strength netting (15) tight with isotropism restriction ability, then be nested in external ball shell (16).
9. high-damping shock-absorbing bridge support according to claim 8, it is characterised in that: the high-strength netting (15) is using high
Strong steel wire or high-intensity fiber are made, and the internal compound rubber ball (14) and external rubber spherical shell (16) use natural rubber or height
Damping rubber material is made.
10. high-damping shock-absorbing bridge support according to claim 1, it is characterised in that: the bottom plate (1) and cylinder-shaped shield
Reinforcing rib (17) are provided between plate (2) outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334316.9A CN109083002A (en) | 2018-11-09 | 2018-11-09 | A kind of high-damping shock-absorbing bridge support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334316.9A CN109083002A (en) | 2018-11-09 | 2018-11-09 | A kind of high-damping shock-absorbing bridge support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109083002A true CN109083002A (en) | 2018-12-25 |
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ID=64844775
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811334316.9A Pending CN109083002A (en) | 2018-11-09 | 2018-11-09 | A kind of high-damping shock-absorbing bridge support |
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| CN (1) | CN109083002A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110175426A (en) * | 2019-05-31 | 2019-08-27 | 中铁二院工程集团有限责任公司 | Railroad bridge Elasto-plastic Metal limits shock absorption energy consuming device design method |
| CN110184904A (en) * | 2019-06-24 | 2019-08-30 | 浙江海洋大学 | A kind of novel beam bridge energy-absorbing shock mount |
| CN114263290A (en) * | 2022-01-21 | 2022-04-01 | 广州大学 | Three-dimensional reticular constraint shock insulation and vibration reduction support and manufacturing method thereof |
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| DE102009030538A1 (en) * | 2009-06-24 | 2010-12-30 | Günther Tröster e.K. | Structure/structure component for e.g. roofing, has vibration damping device comprising vibration damper, where two parts of component are connected together by vibration damper such that vibrations of one of parts are damped to other part |
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| CN207419247U (en) * | 2018-02-26 | 2018-05-29 | 衡水泰威新材料科技股份有限公司 | A kind of NEW TYPE OF COMPOSITE friction pendulum subtracts shock insulation spherical bearing |
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| DE102009030538A1 (en) * | 2009-06-24 | 2010-12-30 | Günther Tröster e.K. | Structure/structure component for e.g. roofing, has vibration damping device comprising vibration damper, where two parts of component are connected together by vibration damper such that vibrations of one of parts are damped to other part |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110175426A (en) * | 2019-05-31 | 2019-08-27 | 中铁二院工程集团有限责任公司 | Railroad bridge Elasto-plastic Metal limits shock absorption energy consuming device design method |
| CN110184904A (en) * | 2019-06-24 | 2019-08-30 | 浙江海洋大学 | A kind of novel beam bridge energy-absorbing shock mount |
| CN114263290A (en) * | 2022-01-21 | 2022-04-01 | 广州大学 | Three-dimensional reticular constraint shock insulation and vibration reduction support and manufacturing method thereof |
| CN114263290B (en) * | 2022-01-21 | 2023-02-03 | 广州大学 | Three-dimensional reticular constraint shock insulation and vibration reduction support and manufacturing method thereof |
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Application publication date: 20181225 |
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