CN206512589U - A kind of longitudinal girder falling of bridge and crash device - Google Patents
A kind of longitudinal girder falling of bridge and crash device Download PDFInfo
- Publication number
- CN206512589U CN206512589U CN201720170471.6U CN201720170471U CN206512589U CN 206512589 U CN206512589 U CN 206512589U CN 201720170471 U CN201720170471 U CN 201720170471U CN 206512589 U CN206512589 U CN 206512589U
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- CN
- China
- Prior art keywords
- beam body
- bridge
- damper
- longitudinal girder
- girder falling
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of longitudinal girder falling of bridge and crash device, include the damper at the adjacent beam body two ends of connection；Also include rigid link, one end is fixedly connected with bridge pier, and the other end is slidably connected with beam body；Also include the elastic support being arranged between bridge pier and beam body；Sliding displacement amplitude and rigid link are limited to close to the Slideslip dissipation seismic energy of bridge pier one by damper, prevent beam body from longitudinally colliding, under big shake effect, rigid link tension so limit beam body to deviate the lateral movement of bridge pier one, the generation of restrainer accident, the overall anti-seismic performance of bridge structure is improved, service life is extended.
Description
Technical field
The utility model is related to bridge earthquake resistance and field of shock absorption, and in particular to a kind of longitudinal girder falling of bridge and collision dress
Put.
Background technology
In the late three decades, domestic and international earthquake disaster takes place frequently, many bridge collapses or major injury, has cut off earthquake region traffic
Lifeline, causes huge life and property loss；Include in all previous earthquake Bridge typical damage form：Fall beam earthquake, branch
Seat sliding, expansion joint destruction, block destruction, adjacent girder collision earthquake and abutment crack earthquake；Current Short/Medium Span Bridge is general
All over laminated rubber bearing is used, the sliding mechanism of laminated rubber bearing helps to reduce the seismic response of substructure, and one
Determine to protect bridge pier and basis in degree from larger eaerthquake damage；But, under geological process, laminated rubber bearing is frequent
Because antiskid Lack of support causes girder to slide, when girder displacement is excessive, cause beam body longitudinal impact, expansion joint and block
Destroy；When producing larger pier beam relative displacement, due to the deficiency and then the earthquake that causes girder to come off of support width,
Have a strong impact on the development of rescue work after shake.
Utility model content
The utility model provides a kind of for consuming its energy when beam body sidesway occurs for earthquake and realizing multistage antidetonation
Bridge longitudinal direction girder falling and crash device.
The technical solution adopted in the utility model is：A kind of longitudinal girder falling of bridge and crash device, including connect adjacent
The damper at beam body two ends；Also include rigid link, one end is fixedly connected with bridge pier, and the other end is slidably connected with beam body；Also wrap
Include the elastic support being arranged between bridge pier and beam body.
Further, the damper connects beam body by spacing steel plate device.
Further, the rigid link is provided with spherical connecting portion with beam body connection end；Beam body correspondence position is set
There is the chute coordinated with connecting portion, connecting portion can be slided in chute.
Further, the elastic support includes rubber support and is arranged on the bearing cushion block of its underpart.
Further, the rigid link is connected by the pre-embedded steel slab being arranged on bridge pier with bridge pier.
Further, the damper is elastic-plastic damper.
Further, the damper is bolted spacing steel plate device.
Further, the spacing steel plate device is fixed in beam body by pre-embedded bolt.
Further, the damper is viscous damper.
The utility model beneficial effect is：
(1) the utility model is provided with damper and rigid link, passes through damper limitation sliding position under small shake effect
Amplitude and rigid link are moved to close to the Slideslip dissipation energy of bridge pier one, prevents beam body from longitudinally colliding；Under big shake effect,
Rigid link tension so limit beam body to deviate the lateral movement of bridge pier one, restrainer accident occur；Improve the whole of bridge structure
Body anti-seismic performance, extends service life；
(2) damper damages and is easy to repair after failing and changes in the utility model, practical and convenient；
(3) the utility model can adjust it by changing the damping parameter of damper and changing rigid link construction size
Earthquake isolation effect；
(4) the utility model is simple in construction, easy construction, cost are low, with preferable future in engineering applications.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model cross-sectional view.
Fig. 3 is the structural representation of damper in the utility model.
In figure：1- bridge piers, 2- bearing cushion blocks, 3- rubber supports, 4- beam bodies, 5- connecting portions, 6- chutes, 7- dampers, 8-
Spacing steel plate device, 9- rigid links, 10- pre-embedded steel slabs, 11- bolts, 12- pre-embedded bolts.
Embodiment
The utility model is described further with specific embodiment below in conjunction with the accompanying drawings.
As Figure 1-3, a kind of longitudinal girder falling of bridge and crash device, it is characterised in that：Including connecting adjacent beam body 4
The damper 7 at two ends；Also include rigid link 9, one end is fixedly connected with bridge pier 1, and the other end is slidably connected with beam body 4；Also wrap
Include the elastic support being arranged between bridge pier 1 and beam body 4.
Further, the damper 7 connects beam body 4 by spacing steel plate device 8.
Further, the rigid link 9 is provided with spherical connecting portion 5 with the connection end of beam body 4；The correspondence position of beam body 4
The chute 6 coordinated with connecting portion 5 is provided with, connecting portion 5 can be slided in chute 6.
Further, the elastic support includes rubber support 3 and is arranged on the bearing cushion block 2 of its underpart.
Further, the rigid link 9 is connected by the pre-embedded steel slab 10 being arranged on bridge pier 1 with bridge pier 1.
Further, the damper 7 is elastic-plastic damper.
Further, the damper 7 connects spacing steel plate device 8 by bolt 11.
Further, the spacing steel plate device 8 is fixed in beam body 4 by pre-embedded bolt 12.
Further, the damper 7 is viscous damper.
In use, being provided with bearing cushion block 2 and common laminated rubber bearing 3 on the top surface of bridge pier 1, beam body 4 is supported in commonly
On laminated rubber bearing 3；The adjacent both ends of bridge pier 1, which are supported in, in beam body 4 connects a fluid viscous damper 7；Viscous damper 7 leads to
Cross bolt 11 and spacing steel plate device 8 links together, spacing steel plate device 8 pre-embedded bolt 12 on corner is fixed on box beam abdomen
Plate both sides；Rigid link 9 is included, one end is fixedly connected with bridge pier 1, and the other end is slidably connected with beam body 4；The one end of rigid link 9 leads to
The connecting portion 5 for crossing bulbous configuration is stuck in the chute 6 of the correspondence position of beam body 4 setting, and the other end is welded on the pre-embedded steel slab of bridge pier 1
On 10；Spherical connecting portion 5 can form a kind of longitudinal girder falling and crash device in chute 6 slidably；In small shake
Under effect, by the limitation of damper 7 sliding amplitude and rigid link 9 to close to the Slideslip dissipation seismic energy of bridge pier 1 one, prevent
The longitudinal direction of beam body 4 collides；Big shake effect under, the tension of rigid link 9 so limit beam body 4 to deviate the lateral movement of bridge pier 1 one,
Restrainer accident occurs, and improves the overall anti-seismic performance of bridge structure, extends service life；The utility model gives full play to
The effect and rigid link 9 restrainer, the effect for mitigating earthquake of viscous damper limitation slip locations amplitude, are served very
Good subtracts function of shock insulation, and significantly improves the security of bridge structure.
For Bridge Earthquake Resistance Design key should be should reasonably stopping means and necessary support width to avoid
Beam, while also to carry out damping using longitudinal slip effect, reduces the seismic response of substructure as much as possible；Given this inventor sets
Count a kind of low cost, the longitudinal girder falling of the simple bridge of construction and crash device；In the sliding displacement of small shake effect lower limit beam body 4
Amplitude and simultaneously dissipation seismic energy, prevent the longitudinal direction of beam body 4 from colliding；Under big shake effect, with reducing substructure as far as possible
Ring and answer, restrainer accident occurs；The utility model is arranged on the joint portion of bent cap and beam body, for occurring beam body in earthquake
Its energy is consumed during sidesway and the target of multistage antidetonation is realized.
Claims (9)
1. a kind of longitudinal girder falling of bridge and crash device, it is characterised in that：Damper including connecting adjacent beam body (4) two ends
(7)；Also include rigid link (9), one end is fixedly connected with bridge pier (1), and the other end is slidably connected with beam body (4)；Also include setting
Put the elastic support between bridge pier (1) and beam body (4).
2. the longitudinal girder falling of a kind of bridge according to claim 1 and crash device, it is characterised in that：The damper
(7) beam body (4) is connected by spacing steel plate device (8).
3. the longitudinal girder falling of a kind of bridge according to claim 1 and crash device, it is characterised in that：The rigid link
(9) beam body (4) connection end is provided with spherical connecting portion (5)；Beam body (4) correspondence position is provided with to be coordinated with connecting portion (5)
Chute (6), connecting portion (5) can be slided in the chute (6).
4. the longitudinal girder falling of a kind of bridge according to claim 1 and crash device, it is characterised in that：The elastic support
Including rubber support (3) and it is arranged on the bearing cushion block (2) of its underpart.
5. the longitudinal girder falling of a kind of bridge according to claim 1 and crash device, it is characterised in that：The rigid link
(9) it is connected by the pre-embedded steel slab (10) being arranged on bridge pier (1) with bridge pier (1).
6. the longitudinal girder falling of a kind of bridge according to claim 1 and crash device, it is characterised in that：The damper
(7) it is elastic-plastic damper.
7. the longitudinal girder falling of a kind of bridge according to claim 2 and crash device, it is characterised in that：The damper
(7) spacing steel plate device (8) is connected by bolt (11).
8. the longitudinal girder falling of a kind of bridge according to claim 2 and crash device, it is characterised in that：The spacing steel plate
Device (8) is fixed in beam body (4) by pre-embedded bolt (12).
9. the longitudinal girder falling of a kind of bridge according to claim 1 and crash device, it is characterised in that：The damper
(7) it is viscous damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720170471.6U CN206512589U (en) | 2017-02-24 | 2017-02-24 | A kind of longitudinal girder falling of bridge and crash device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720170471.6U CN206512589U (en) | 2017-02-24 | 2017-02-24 | A kind of longitudinal girder falling of bridge and crash device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206512589U true CN206512589U (en) | 2017-09-22 |
Family
ID=59869346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720170471.6U Expired - Fee Related CN206512589U (en) | 2017-02-24 | 2017-02-24 | A kind of longitudinal girder falling of bridge and crash device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206512589U (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374335A (en) * | 2018-05-10 | 2018-08-07 | 长安大学 | A kind of multiple protective girder girder falling and energy-consuming device and preparation method thereof |
| CN108425318A (en) * | 2018-05-04 | 2018-08-21 | 西南交通大学 | A kind of Precast Concrete Segmental Bridges bridge pier bridge |
| CN109056505A (en) * | 2018-09-27 | 2018-12-21 | 北方民族大学 | A kind of bridge earthquake resistance limiting device being convenient for changing |
| CN111155418A (en) * | 2020-01-15 | 2020-05-15 | 东南大学 | Beam falling prevention device and method using fabricated bridge hanging point structure |
| CN111455823A (en) * | 2020-04-30 | 2020-07-28 | 重庆交通大学 | Longitudinal beam falling prevention device |
| CN111501530A (en) * | 2020-05-20 | 2020-08-07 | 中国地震局工程力学研究所 | Vibration-damping locking type device for preventing box girder from falling |
| CN111945547A (en) * | 2020-07-29 | 2020-11-17 | 河海大学 | Mortar tenon interlink anti-seismic connecting structure used between box girder-shaped bridge plates and control method |
| CN112064492A (en) * | 2020-08-17 | 2020-12-11 | 中铁大桥局集团有限公司 | Vertical vibration damping of girder and vertical damping device and large-span bridge |
| CN112342901A (en) * | 2020-11-05 | 2021-02-09 | 贵州路桥集团有限公司 | Elevated steel-concrete composite beam with high bearing capacity |
| CN112502021A (en) * | 2020-11-05 | 2021-03-16 | 贵州路桥集团有限公司 | Elevated steel-concrete composite beam with steel bar reinforced structure |
| CN113136789A (en) * | 2021-05-06 | 2021-07-20 | 中国地震局工程力学研究所 | Rotary box girder anti-falling device |
| CN113152253A (en) * | 2021-04-19 | 2021-07-23 | 中国石油大学(华东) | Simply supported bridge anti-falling beam connecting device with dual guarantee |
| CN115058958A (en) * | 2022-06-10 | 2022-09-16 | 中南大学 | Method capable of transferring earthquake risk of CRTS II-shaped bridge-rail system |
| CN116446266A (en) * | 2023-04-24 | 2023-07-18 | 石家庄铁道大学 | Beam falling prevention damping device and beam falling prevention damping system |
-
2017
- 2017-02-24 CN CN201720170471.6U patent/CN206512589U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108425318A (en) * | 2018-05-04 | 2018-08-21 | 西南交通大学 | A kind of Precast Concrete Segmental Bridges bridge pier bridge |
| CN108374335A (en) * | 2018-05-10 | 2018-08-07 | 长安大学 | A kind of multiple protective girder girder falling and energy-consuming device and preparation method thereof |
| CN109056505A (en) * | 2018-09-27 | 2018-12-21 | 北方民族大学 | A kind of bridge earthquake resistance limiting device being convenient for changing |
| CN109056505B (en) * | 2018-09-27 | 2024-03-01 | 北方民族大学 | Bridge anti-seismic limiting device convenient to replace |
| CN111155418A (en) * | 2020-01-15 | 2020-05-15 | 东南大学 | Beam falling prevention device and method using fabricated bridge hanging point structure |
| CN111155418B (en) * | 2020-01-15 | 2021-08-06 | 东南大学 | Beam falling prevention device and method using fabricated bridge hanging point structure |
| CN111455823B (en) * | 2020-04-30 | 2021-07-27 | 重庆交通大学 | Longitudinal beam falling prevention device |
| CN111455823A (en) * | 2020-04-30 | 2020-07-28 | 重庆交通大学 | Longitudinal beam falling prevention device |
| CN111501530A (en) * | 2020-05-20 | 2020-08-07 | 中国地震局工程力学研究所 | Vibration-damping locking type device for preventing box girder from falling |
| CN111945547A (en) * | 2020-07-29 | 2020-11-17 | 河海大学 | Mortar tenon interlink anti-seismic connecting structure used between box girder-shaped bridge plates and control method |
| CN111945547B (en) * | 2020-07-29 | 2021-12-14 | 河海大学 | Mortar tenon interlink anti-seismic connecting structure used between box girder-shaped bridge plates and control method |
| CN112064492B (en) * | 2020-08-17 | 2022-03-18 | 中铁大桥局集团有限公司 | Vertical vibration damping of girder and vertical damping device and large-span bridge |
| CN112064492A (en) * | 2020-08-17 | 2020-12-11 | 中铁大桥局集团有限公司 | Vertical vibration damping of girder and vertical damping device and large-span bridge |
| CN112502021A (en) * | 2020-11-05 | 2021-03-16 | 贵州路桥集团有限公司 | Elevated steel-concrete composite beam with steel bar reinforced structure |
| CN112342901A (en) * | 2020-11-05 | 2021-02-09 | 贵州路桥集团有限公司 | Elevated steel-concrete composite beam with high bearing capacity |
| CN113152253A (en) * | 2021-04-19 | 2021-07-23 | 中国石油大学(华东) | Simply supported bridge anti-falling beam connecting device with dual guarantee |
| CN113136789A (en) * | 2021-05-06 | 2021-07-20 | 中国地震局工程力学研究所 | Rotary box girder anti-falling device |
| CN113136789B (en) * | 2021-05-06 | 2022-06-24 | 中国地震局工程力学研究所 | Rotary box girder anti-falling device |
| CN115058958A (en) * | 2022-06-10 | 2022-09-16 | 中南大学 | Method capable of transferring earthquake risk of CRTS II-shaped bridge-rail system |
| CN116446266A (en) * | 2023-04-24 | 2023-07-18 | 石家庄铁道大学 | Beam falling prevention damping device and beam falling prevention damping system |
| CN116446266B (en) * | 2023-04-24 | 2023-11-17 | 石家庄铁道大学 | Beam falling prevention damping device and beam falling prevention damping system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20200224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |