CN109837833A - A kind of bridge vibration absorber - Google Patents
A kind of bridge vibration absorber Download PDFInfo
- Publication number
- CN109837833A CN109837833A CN201910115423.0A CN201910115423A CN109837833A CN 109837833 A CN109837833 A CN 109837833A CN 201910115423 A CN201910115423 A CN 201910115423A CN 109837833 A CN109837833 A CN 109837833A
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- bridge
- fixedly connected
- support
- spring
- vibration
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Abstract
The invention discloses a kind of bridge vibration absorbers, belong to bridge field, including several support bridge piers, support pier coping portion is fixedly connected with bridge floor, the bridge floor is slidably connected by bolt and support bridge pier, the limit sliding chutes being fixedly connected at left and right sides of the support bridge pier below bridge floor, position limiting slide block is slidably connected on the inside of limit sliding chutes, turning joint is fixedly connected with below the position limiting slide block, it is fixedly connected with swing connecting bar below the turning joint, is fixedly connected with the support of bearing in the middle part of support bridge pier.Vibration damping is carried out by double vibration absorber when use, so that it is guaranteed that effectiveness in vibration suppression, when device Oscillation Amplitude is larger, swing connecting bar will drive gear rotation, then the first spring is compressed by driving rack and sliding locating piece, carries out preliminary vibration damping, while vibration reduction support bar and horizontal vibration damping bottom plate compression second spring carry out further vibration damping, vibrational energy is thoroughly absorbed, guarantees bridge security.
Description
Technical field
The present invention relates to bridge field, specifically a kind of bridge vibration absorber.
Background technique
Bridge refers generally to be erected in rivers,lakes and seas, the structures for making traffic etc. that can smoothly pass through.It is modern to adapt to
The transportation industry of high speed development, bridge be also extended to across mountain stream, unfavorable geology or meet other traffic need and set up make
Current more convenient and fast building.Bridge is generally made of superstructure, substructure, support and attached structure, top knot
Structure is also known as bridge span structure, is across the primary structure of obstacle；Substructure includes abutment, bridge pier and basis；Support is spanning knot
The load transfer device of the bearing place setting of structure and bridge pier or abutment；Attached structure then refer to transition slab at bridge head, truncated cone banking, shore protection,
Training works etc., but existing bridge do not have efficient buffer shock-absorbing protection in the transverse direction of bridge, are not able to satisfy user
Use demand.
Chinese patent (Authorization Notice No.: CN207567647U) discloses a kind of vibration absorber for bridge thus, packet
Bridge floor is included, the lower section of the bridge floor is equipped with bridge pier, and the top side of the bridge pier offers mounting groove, and the bottom side of the bridge floor is fixed to be connected
It is connected to connecting column, the connecting column is slidably mounted in mounting groove, and the two sides of connecting column are welded with sliding shoe, the installation
The two sides of slot are equipped with the sliding cavity being provided on bridge pier, and one end of the sliding shoe extends in sliding cavity, and is welded with cunning
Movable plate, the sliding panel are symmetrically welded far from the side of sliding shoe there are two the first bar, and two the first bars are hollow structure, and two
The second bar is slidably fitted in a first bar, one end of second bar extends to outside the first bar.Though the device can be right
Bridge carries out vibration damping, but the device vibration damping facility is single, and effectiveness in vibration suppression is bad.Those skilled in the art propose one kind thus
Bridge vibration absorber, to solve the problems, such as to propose in above-mentioned background.
Summary of the invention
The purpose of the present invention is to provide a kind of bridge vibration absorbers, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of bridge vibration absorber, including several support bridge piers, support pier coping portion are fixedly connected with bridge floor, and the bridge floor passes through
Bolt is slidably connected with support bridge pier, and the limit being fixedly connected to below bridge floor at left and right sides of the support bridge pier is sliding
Slot slidably connects position limiting slide block on the inside of limit sliding chutes, is fixedly connected with turning joint below the position limiting slide block, and described turn
It is fixedly connected with swing connecting bar below dynamic hinge, the support of bearing, rotation on the outside of the support of bearing are fixedly connected in the middle part of support bridge pier
It is connected with positioning rotating shaft, is fixedly connected with driven gear on the outside of positioning rotating shaft, driven gear is fixedly connected with swing connecting bar outer end,
The sliding locating piece above the support of bearing, fixed company above sliding locating piece are slidably connected on the outside of the support bridge pier
It is connected to the first spring, first outer spring end is fixed below bridge floor, and bilateral symmetry is fixedly connected with below sliding locating piece
Driving rack, driving rack are meshed with driven gear；Support connection bottom bar is fixedly connected between the adjacent support bridge pier,
Several second springs are fixedly connected with above support connection bottom bar, are fixedly connected with horizontal vibration damping bottom plate, water at the top of second spring
Vibration reduction support bar is fixedly connected with above flat vibration damping bottom plate, vibration reduction support bar is fixed below bridge floor.
As a further solution of the present invention: being fixedly connected with several sub-trusses, sub-truss on the support bridge pier
Top is fixedly connected with several fixing tightwires, and fixing tightwire outer end is fixedly connected with bridge floor different location.
As further scheme of the invention: the fixing tightwire is no less than stereotyped writing.
As further scheme of the invention: the diameter of the fixing tightwire is not less than 10mm.
As further scheme of the invention: the vibration reduction support bar is fixedly connected with position with bridge floor and is located at adjacent supports
The middle of bridge pier.
As further scheme of the invention: first spring and second spring are metal material.
As further scheme of the invention: the second spring is three.
As further scheme of the invention: the stiffness factor of first spring is greater than the stiffness system of second spring
Number.
Compared with prior art, the beneficial effects of the present invention are: the configuration of the present invention is simple, easy to use, when use, passes through
Double vibration absorber carries out vibration damping, so that it is guaranteed that effectiveness in vibration suppression, when device Oscillation Amplitude is larger, swing connecting bar will drive gear
Rotation then compresses the first spring by driving rack and sliding locating piece, carries out preliminary vibration damping, while vibration reduction support bar and water
Flat vibration damping bottom plate compression second spring carries out further vibration damping, thoroughly absorbs vibrational energy, guarantees bridge security, be worthy to be popularized.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of bridge vibration absorber；
Fig. 2 is the fit structure schematic diagram of position limiting slide block and limit sliding chutes in a kind of bridge vibration absorber；
Fig. 3 is schematic cross-sectional view at A-A in a kind of bridge vibration absorber；
In figure: 1- supports bridge pier, 2- bridge floor, 3- sub-truss, 4- fixing tightwire, 5- position limiting slide block, 6- turning joint, 7- to swing
Connecting rod, the 8- support of bearing, 9- positioning rotating shaft, 10- driven gear, 11- driving rack, 12- sliding locating piece, the first spring of 13-,
14- second spring, 15- horizontal vibration damping bottom plate, 16- vibration reduction support bar, 17- limit sliding chutes, 18- support connection bottom bar.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment one: Fig. 1-3, a kind of bridge vibration absorber, including several support bridge piers 1,1 top of support bridge pier are please referred to
It is fixedly connected with bridge floor 2, the bridge floor 2 is slidably connected by bolt and support bridge pier 1, and 1 left and right sides of support bridge pier is
The limit sliding chutes 17 for being located at 2 lower section of bridge floor are fixedly connected with, 17 inside of limit sliding chutes slidably connects position limiting slide block 5, described
It is fixedly connected with turning joint 6 below position limiting slide block 5, is fixedly connected with swing connecting bar 7, support bridge below the turning joint 6
It is fixedly connected with the support of bearing 8 in the middle part of pier 1, positioning rotating shaft 9 is rotatably connected on the outside of the support of bearing 8, is fixed on the outside of positioning rotating shaft 9
It is connected with driven gear 10, driven gear 10 is fixedly connected with 7 outer end of swing connecting bar, and 1 outside of support bridge pier sliding connects
It is connected to the sliding locating piece 12 for being located at 8 top of the support of bearing, slides and is fixedly connected with the first spring 13 above locating piece 12, it is described
2 lower section of bridge floor is fixed in first spring, 13 outer end, and 12 lower section bilateral symmetry of sliding locating piece is fixedly connected with driving rack 11, passes
Carry-over bar 11 is meshed with driven gear 10；
Bridge is in use when bridge floor 1 receives biggish vibration, and meeting is micro up and down between 2 adjacent supports bridge pier 1 of bridge floor
It floats, bridge floor 2 pushes at this time, and position limiting slide block 5 is driven to push, and position limiting slide block 5 will move outward during pushing, while band
Dynamic bottom driven gear 10 rotates, and the rotation of driven gear 10 just will drive driving rack 11 and move upwards, and driving rack 11 is upward
Movement will compress the first spring 13 by sliding locating piece 12, and the first spring 13 absorbs vibration, to subtracting in the middle part of bridge floor 2
Vibration.
Several sub-trusses 3 are fixedly connected on the support bridge pier 1, if being fixedly connected at the top of sub-truss 3 solid
Determine cable wire 4,4 outer end of fixing tightwire is fixedly connected with 2 different location of bridge floor.
The fixing tightwire 4 is no less than stereotyped writing.
The diameter of the fixing tightwire 4 is not less than 10mm.
Embodiment two: the present embodiment is further improved as a upper embodiment: fixed between the adjacent support bridge pier 1
It is connected with support connection bottom bar 18, is fixedly connected with several second springs 14 above support connection bottom bar 18, second spring 14 is pushed up
Portion is fixedly connected with horizontal vibration damping bottom plate 15, and vibration reduction support bar 16, vibration reduction support are fixedly connected with above horizontal vibration damping bottom plate 15
Bar 16 is fixed on the lower section of bridge floor 2, while while moving downward in the middle part of bridge floor 2 can drive horizontal vibration damping bottom by support connection bottom bar 18
Plate 15 move downward compressing second spring 14, second spring 14 will further vibration damping, improve the stability of bridge, it is ensured that peace
Entirely.
The vibration reduction support bar 16 is fixedly connected with the middle that position is located at adjacent supports bridge pier 1 with bridge floor 2.
First spring 13 and second spring 14 are metal material.
The second spring 14 is three.
The stiffness factor of first spring 13 is greater than the stiffness factor of second spring 14.
The working principle of the invention is: the bridge in the present invention in use when bridge floor 1 receives biggish vibration,
Meeting micro floating up and down between 2 adjacent supports bridge pier 1 of bridge floor, bridge floor 2 pushes at this time, drives position limiting slide block 5 to push, position limiting slide block
It will be moved outward during 5 pushings, while bottom driven gear 10 being driven to rotate, the rotation of driven gear 10 just will drive biography
Carry-over bar 11 moves upwards, and driving rack 11, which moves upwards, to compress the first spring 13, the first bullet by sliding locating piece 12
Spring 13 absorbs vibration, can connect bottom bar 18 by support to when carrying out vibration damping in the middle part of bridge floor 2, while moving downward in the middle part of bridge floor 2
Drive horizontal vibration damping bottom plate 15 move downward compressing second spring 14, second spring 14 will further vibration damping, improve bridge
Stability, it is ensured that safety.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (8)
1. a kind of bridge vibration absorber, including several support bridge piers (1), support bridge pier (1) top is fixedly connected with bridge floor (2),
The bridge floor (2) is slidably connected by bolt and support bridge pier (1), is fixedly connected at left and right sides of the support bridge pier (1)
Limit sliding chutes (17) below bridge floor (2), limit sliding chutes (17) inside slidably connect position limiting slide block (5), the limit
Turning joint (6) are fixedly connected with below position sliding block (5), which is characterized in that are fixedly connected with pendulum below the turning joint (6)
Dynamic connecting rod (7), support bridge pier (1) middle part are fixedly connected with the support of bearing (8), are rotatably connected to positioning on the outside of the support of bearing (8)
Shaft (9), positioning rotating shaft (9) outside are fixedly connected with driven gear (10), and driven gear (10) and swing connecting bar (7) outer end are solid
Fixed connection, support bridge pier (1) outside slidably connects the sliding locating piece (12) above the support of bearing (8), sliding
It being fixedly connected with the first spring (13) above dynamic locating piece (12), the first spring (13) outer end is fixed below bridge floor (2),
Bilateral symmetry is fixedly connected with driving rack (11) below sliding locating piece (12), driving rack (11) and driven gear (10) phase
Engagement；Support connection bottom bar (18) is fixedly connected between the adjacent support bridge pier (1), support connection bottom bar (18) top is solid
Surely it is connected with several second springs (14), is fixedly connected with horizontal vibration damping bottom plate (15), horizontal vibration damping at the top of second spring (14)
It is fixedly connected with vibration reduction support bar (16) above bottom plate (15), vibration reduction support bar (16) is fixed below bridge floor (2).
2. bridge vibration absorber according to claim 1, which is characterized in that be fixedly connected on the support bridge pier (1)
Several sub-trusses (3), sub-truss (3) top are fixedly connected with several fixing tightwires (4), fixing tightwire (4) outer end and bridge
Face (2) different location is fixedly connected.
3. bridge vibration absorber according to claim 2, which is characterized in that the fixing tightwire (4) is no less than stereotyped writing.
4. bridge vibration absorber according to claim 3, which is characterized in that the diameter of the fixing tightwire (4) is not less than
10mm。
5. bridge vibration absorber according to claim 1 to 4, which is characterized in that the vibration reduction support bar (16) and bridge
Face (2) is fixedly connected with the middle that position is located at adjacent supports bridge pier (1).
6. bridge vibration absorber according to claim 5, which is characterized in that first spring (13) and second spring
It (14) is metal material.
7. bridge vibration absorber according to claim 6, which is characterized in that the second spring (14) is three.
8. bridge vibration absorber according to claim 7, which is characterized in that the stiffness factor of first spring (13) is big
Stiffness factor in second spring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910115423.0A CN109837833B (en) | 2019-02-14 | 2019-02-14 | Bridge vibration damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910115423.0A CN109837833B (en) | 2019-02-14 | 2019-02-14 | Bridge vibration damper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109837833A true CN109837833A (en) | 2019-06-04 |
| CN109837833B CN109837833B (en) | 2020-11-03 |
Family
ID=66884675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910115423.0A Active CN109837833B (en) | 2019-02-14 | 2019-02-14 | Bridge vibration damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109837833B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576203A (en) * | 2020-06-01 | 2020-08-25 | 重庆交通大学 | Bridge damping device with buffering performance |
| CN111733997A (en) * | 2020-07-01 | 2020-10-02 | 蚌埠龙淮建筑科技有限公司 | Dynamic balance type building shock absorption damper |
| CN112342897A (en) * | 2020-10-30 | 2021-02-09 | 重庆交通大学 | Bridge pier antidumping structure |
| CN112376411A (en) * | 2020-11-23 | 2021-02-19 | 常熟市宝德桥梁构件有限公司 | Bridge beam supports with hierarchical shock attenuation |
| CN112647403A (en) * | 2020-12-30 | 2021-04-13 | 李灵芳 | Public road bridge roof beam buffering damping device |
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| DE2921828A1 (en) * | 1978-05-31 | 1979-12-06 | Freyssinet Int Stup | SUPPORT WITH HIGH INNER DAMPING FOR CONSTRUCTION |
| EP2314770A1 (en) * | 2009-10-21 | 2011-04-27 | Fundacion Cartif | Semi-active system for vibration suppression in pedestrian footbridges and such like |
| US20120176003A1 (en) * | 2009-09-29 | 2012-07-12 | Dong Ho Ha | Resilient bridge support having a piezoelectric device |
| KR101261781B1 (en) * | 2012-12-14 | 2013-05-07 | 알.제이. 왓슨, 아이앤씨. | Multiple sliding isolation bearing |
| CN107905090A (en) * | 2017-12-14 | 2018-04-13 | 浙江万瑞建设有限公司 | A kind of municipal administration bridge earthquake resistance structure and construction method |
| CN207633231U (en) * | 2017-11-01 | 2018-07-20 | 金丽梅 | One kind being used for bridge maintaining supporting rack |
| CN208009225U (en) * | 2017-12-27 | 2018-10-26 | 樊金 | A kind of damping bridge structure |
| CN109235233A (en) * | 2018-10-22 | 2019-01-18 | 北方民族大学 | A kind of high energy dissipation type bridge earthquake resistance device |
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2019
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2921828A1 (en) * | 1978-05-31 | 1979-12-06 | Freyssinet Int Stup | SUPPORT WITH HIGH INNER DAMPING FOR CONSTRUCTION |
| US20120176003A1 (en) * | 2009-09-29 | 2012-07-12 | Dong Ho Ha | Resilient bridge support having a piezoelectric device |
| EP2314770A1 (en) * | 2009-10-21 | 2011-04-27 | Fundacion Cartif | Semi-active system for vibration suppression in pedestrian footbridges and such like |
| KR101261781B1 (en) * | 2012-12-14 | 2013-05-07 | 알.제이. 왓슨, 아이앤씨. | Multiple sliding isolation bearing |
| CN207633231U (en) * | 2017-11-01 | 2018-07-20 | 金丽梅 | One kind being used for bridge maintaining supporting rack |
| CN107905090A (en) * | 2017-12-14 | 2018-04-13 | 浙江万瑞建设有限公司 | A kind of municipal administration bridge earthquake resistance structure and construction method |
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| CN109235233A (en) * | 2018-10-22 | 2019-01-18 | 北方民族大学 | A kind of high energy dissipation type bridge earthquake resistance device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111576203A (en) * | 2020-06-01 | 2020-08-25 | 重庆交通大学 | Bridge damping device with buffering performance |
| CN111576203B (en) * | 2020-06-01 | 2021-08-17 | 重庆交通大学 | Bridge damping device with buffering performance |
| CN111733997A (en) * | 2020-07-01 | 2020-10-02 | 蚌埠龙淮建筑科技有限公司 | Dynamic balance type building shock absorption damper |
| CN112342897A (en) * | 2020-10-30 | 2021-02-09 | 重庆交通大学 | Bridge pier antidumping structure |
| CN112342897B (en) * | 2020-10-30 | 2022-04-08 | 重庆交通大学 | Bridge pier antidumping structure |
| CN112376411A (en) * | 2020-11-23 | 2021-02-19 | 常熟市宝德桥梁构件有限公司 | Bridge beam supports with hierarchical shock attenuation |
| CN112376411B (en) * | 2020-11-23 | 2021-09-21 | 常熟市宝德桥梁构件有限公司 | Bridge beam supports with hierarchical shock-absorbing function |
| WO2022104845A1 (en) * | 2020-11-23 | 2022-05-27 | 常熟市宝德桥梁构件有限公司 | Bridge support base provided with tiered vibration isolation |
| CN112647403A (en) * | 2020-12-30 | 2021-04-13 | 李灵芳 | Public road bridge roof beam buffering damping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109837833B (en) | 2020-11-03 |
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Effective date of registration: 20201225 Address after: 330000 no.1426 ganjiangzhong Avenue, Honggutan New District, Nanchang City, Jiangxi Province (4th floor, Hongde new building) Patentee after: Jiangxi Transportation Engineering Group Co.,Ltd. Address before: Room 201, unit 4, building 1, No. 395, 644 Branch Road, Shuanggang East Street, Nanchang Economic and Technological Development Zone, Jiangxi 330000 Patentee before: Zhang Wei |
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