CN205636472U - Girder construction that falls is prevented to whole buffering formula - Google Patents
Girder construction that falls is prevented to whole buffering formula Download PDFInfo
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- CN205636472U CN205636472U CN201620500609.XU CN201620500609U CN205636472U CN 205636472 U CN205636472 U CN 205636472U CN 201620500609 U CN201620500609 U CN 201620500609U CN 205636472 U CN205636472 U CN 205636472U
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- spring
- beam body
- connecting rod
- plate
- roof beam
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Abstract
The utility model relates to a girder construction that falls is prevented to whole buffering formula belongs to bridge structures engineering technical field, and at pre -buried spring -Damper between the roof beam body and the roof beam body or between the roof beam body and the abutment, this spring -Damper includes the shell body and set up at shell cavity's locating plate, spring, buffering elastomer, limiting plate and to the outer connecting rod that extends in by the shell body, set up fixture block and anchor block at the connecting rod end, the utility model discloses a vertical displacement between the spring -Damper control roof beam body and the pier stud increases the vertical contact between roof beam and the roof beam, avoids that the roof beam body takes place the roof beam in earthquake process, and safety stock is high, the wholeness can, spacing effect is better, the anti -seismic requirement who satisfies the bridge that can be fine.
Description
Technical field
This utility model belongs to bridge structure field of engineering technology, is specifically related to a kind of integrated buffer formula girder falling
Structure.
Background technology
In recent decades, earthquake occurs again and again, and Wenchuan earthquake is up to 8.0 grades, brings huge to the country and people
Big property loss, bridge compares weak link as antidetonation on traffic route, is easy to occur in earthquake
Destroying, bridge once destroys, and whole transportation network will sink into paralysis.Bridge modernization is flourish, coagulation
Soil bridge, steel bridge are built in a large number.Highway and railway norm were spacing for bridge and antishock device is not wanted in the past
Asking, therefore, bridge structure is typically not provided with anti-fall girder apparatus.Along with the continuous fast development of domestic economy,
Bridge earthquake resistance causes the concern of industry peer, and is increasingly paid attention to by people.
At present, the anti-fall girder apparatus of bridge mainly uses following two kinds of methods: pre-by bar planting method at pier stud
Bury steel plate, around pre-embedded steel slab, upwards weld stiffener as bridge falling-off prevention measures；Second, in beam body
Web outside passes through bar planting method pre-embedded steel slab, and around pre-embedded steel slab, weldering stiffener is arranged as girder falling downwards
Execute.Both approaches cannot coordinate the deformation of beam body and pier stud, and security performance is relatively low, can not between Liang Yuliang
Coordination stress, it is impossible to meet the overall performance requirement of bridge.
For the concrete beam bridge of some freely-supporteds, the beam that falls be easy in earthquake occur, this main cause be because of
For not having vertical linkage between girder and girder and abutment and girder, longitudinally displacement is occurred to make between Liang Yuliang
Stress can not be coordinated.
For some high intensity earthquakes, length travel is crossed and be will result directly in bridge beam body and cave in, and causes in traffic
Disconnected, bring great difficulty to earthquake relief work work.Therefore, those skilled in the art need to study a kind of anti-fall
Beam, energy dissipating good buffer effect, the whole of linear deformation between beam body and pier stud and beam body and beam body can be coordinated
Body buffering girder falling structure.
Summary of the invention
In order to solve the deficiency that above-mentioned prior art exists, this utility model provides a kind of energy dissipating buffering effect
Well, the integrated buffer formula girder falling structure of stress between beam body can be coordinated.
This utility model be the technical scheme is that this structure is included between beam body and beam body or beam body
And spring-damper pre-buried between abutment；
Above-mentioned spring-damper includes shell body and is arranged on the location-plate of shell inner cavity, spring, buffering elastic
Gonosome, limiting plate and the fixture block by the outward extending connecting rod of shell body, being arranged on connecting rod end and anchor
Block, shell body is inlaid in abutment or one section of beam body, and the fixture block of connecting rod end and anchor block are inlaid in and are somebody's turn to do
In another section of beam body that abutment or beam body adjoin, fixture block and shell body are connected by connecting rod, at shell body
Bottom is fixed with limiting plate, and connecting rod extends to the middle part of shell body inner chamber location-plate through the middle part of limiting plate,
Location-plate is fixed by nut with connecting rod, and buffering elastomer is sleeved on the connection between location-plate and limiting plate
On bar outer wall, and fix with limiting plate equipped with spring, one end of spring at the outer sheath of buffering elastomer,
The other end is fixed with location-plate.
Above-mentioned spring-damper is horizontally disposed with, and connecting rod is parallel with beam body.
Above-mentioned it is provided with cushion at the shell body of spring-damper and the outside of fixture block.
The top of the above-mentioned connecting rod minimum range away from shell body inwall is 15～25mm.
Distance between top and the location-plate of above-mentioned buffering elastomer is 8～12mm.
Integrated buffer formula girder falling structure of the present utility model, by between beam body and beam body or beam body with
Pre-buried spring-damper between abutment, is advanced and buffering elastomer, bullet by the connecting rod of spring-damper
The different field of loads of spring, it is achieved the stress consumption in various degree of beam body or buffering, it is ensured that between beam body with
And between beam body and abutment, coordinate stress, coordinate the linear deformation between beam body and beam body, effectively prevent beam body
Come off, this utility model energy dissipating good buffer effect, simple in construction, be suitable to popularization and application on real bridge.
Accompanying drawing explanation
Fig. 1 is the integrated buffer formula girder falling structural representation of embodiment 1.
Fig. 2 is the structural representation of spring-damper 2 in Fig. 1.
Detailed description of the invention
In conjunction with drawings and Examples, the technical solution of the utility model is further described, but this reality
It is not limited only to following enforcement situation with novel.
Embodiment 1
As shown in Figure 1, the integrated buffer formula girder falling structure of the present embodiment is in 0# abutment 1 and 1# beam body 3
And 1# beam body 3 and 2# beam body 3,2# beam body 3 and 3# beam body 3,3# beam body 3 and 4# beam body 3,4#
Beam body 3 and 1# abutment 1 are all machined with and the groove of spring-damper 2 structure matching, the most pre-in each groove
It is embedded with spring-damper 2, makes to be connected by the spring-damper 2 being horizontally mounted between two sections of beam body 3, for
Avoid firmly contacting between spring-damper 2 with beam body 3, in groove, be laid with rubber buffer bed course 29,
Being wrapped in the outside of spring-damper 2, play cushioning effect, the thickness of cushion 29 is 50mm.
See Fig. 2, the spring-damper 2 of the present embodiment be by shell body 21, location-plate 22, spring 24,
Buffering elastomer 23, limiting plate 25, connecting rod 26, fixture block 27 and anchor block 28 combination are constituted.Shell
Body 21 is rectangle steel case, is fixed by bolts in the groove of 0# abutment 1, at 1# beam bottom shell body 21
Fixture block 27 it is embedded with, by the connection of horizontal positioned between fixture block 27 and shell body 21 in the groove of body 3
Bar 26 connects, and one end of connecting rod 26 extends to shell body 21 inner chamber, separately through shell body 21 sidewall
It is threaded on the outer wall of one end, by anchor block 28, the end of connecting rod 26 is fixed with fixture block 27, from
And make to be connected between 0# abutment 1 with 1# beam body 3.The inner chamber right side wall of shell body 21 is fixed with spacing
Plate 25, the center of limiting plate 25 outwardly extends to the outside of shell body 21, and at center
Position is machined with female thread, and connecting rod 26 extends in shell body 21 through the center of limiting plate 25,
Being set with the buffering elastomer 23 of hollow tubular structures in connecting rod 26, the diameter of buffering elastomer 23 is
350mm, a length of 680mm, the opposite side at buffering elastomer 23 is provided with location-plate 22, connects
The top of bar 26 is extended to outside location-plate 22 through location-plate 22 and is fixed by nut, connecting rod 26
Top distance shell body 21 left side wall horizontal range be 20mm, buffering elastomer 23 Distance positioning plate
Horizontal range between 22 is 10mm, the buffering elastomer 23 between location-plate 22 and limiting plate 25
Outside is also equipped with spring 24, i.e. one end of spring 24 and is fixed on location-plate 22, and the other end is fixed on
On limiting plate 25, spring 24 diameter is 400mm, and length is 700mm.
The company between connection and 4# beam body 3 and 1# abutment 1 between other 1# beam body 3 to 4# beam body 3
Connect the connected mode between equal and above-mentioned 0# abutment 1 and 1# beam body 3 identical, the like.
When 1# beam body 3 occurs displacement, when displacement is less than 1cm, spring 24 stress of 0# abutment 1,
Time between 1～2cm, spring 24 and the common stress of buffering elastomer 23, the at this moment spring of 1# beam body 3 right-hand member
24 have begun to assist stress, when beam body 3 occurs big displacement (during more than 2cm), at 1# beam body 3 right-hand member
The connecting rod 26 of the spring-damper 2 installed is pushed up on shell body 21, transmits successively, is achieved in that beam
Jointly coordinating stress between body 3, when thin tail sheep, the displacement of beam body 3 can be played very by spring 24
Good cushioning effect, can meet bridge earthquake resistance requirement under different earthquake level, and beam body 3 is assisted with beam body 3
Adjust stress, the generation of restrainer accident.
Embodiment 2
The top of the connecting rod 26 of the present embodiment extends to outside location-plate 22 through location-plate 22 and passes through spiral shell
Female fixing, the horizontal range of top distance shell body 21 left side wall of connecting rod 26 is 15mm, buffering elastic
Horizontal range between gonosome 23 Distance positioning plate 22 is 8mm, at location-plate 22 and limiting plate 25
Between buffering elastomer 23 outside be also equipped with spring 24, i.e. one end of spring 24 and be fixed on location-plate
On 22, the other end is fixed on limiting plate 25.
Other parts and annexation thereof are same as in Example 1.
Embodiment 3
The connecting rod 26 of the present embodiment extends in shell body 21 through the center of limiting plate 25, is connecting
Being set with the buffering elastomer 23 of hollow tubular structures on bar 26, the opposite side at buffering elastomer 23 is pacified
Equipped with location-plate 22, the top of connecting rod 26 extends to outside location-plate 22 through location-plate 22 and passes through
Nut is fixed, and the horizontal range of top distance shell body 21 left side wall of connecting rod 26 is 25mm, buffering
Horizontal range between elastomer 23 Distance positioning plate 22 is 12mm, at location-plate 22 and limiting plate
It is also equipped with spring 24, i.e. one end of spring 24 outside buffering elastomer 23 between 25 to be fixed on calmly
On the plate 22 of position, the other end is fixed on limiting plate 25.
Other parts and annexation thereof are same as in Example 1.
The above creates preferred embodiment for this utility model, not in order to limit this utility model creation,
Every within this utility model creative spirit and principle, any modification, equivalent substitution and improvement etc. made,
Within should be included in the protection domain that this utility model is created.
Claims (5)
1. an integrated buffer formula girder falling structure, it is characterised in that: it is included in beam body (3) and beam body (3)
Between or beam body (3) and abutment (1) between pre-buried spring-damper (2)；
Described spring-damper (2) include shell body (2 1) and the location-plate (2 2) being arranged on shell inner cavity,
Spring (2 4), buffering elastomer (2 3), limiting plate (2 5) and stretched out by shell body (2 1)
Connecting rod (2 6), the fixture block (2 7) being arranged on connecting rod (2 6) end and anchor block (2 8), shell
Body (2 1) is inlaid on abutment (1) or one section of beam body (3), the fixture block of connecting rod (2 6) end
(2 7) and anchor block (2 8) are inlaid in another section beam body (3) adjacent with this abutment (1) or beam body (3)
On, fixture block (2 7) and shell body (2 1) are connected by connecting rod (2 6), at shell body (2 1)
Bottom is fixed with limiting plate (2 5), and connecting rod (2 6) extends to shell through the middle part of limiting plate (2 5)
The middle part of body (2 1) inner chamber location-plate (2 2), location-plate (2 2) and connecting rod (2 6) pass through nut
Fixing, buffering elastomer (2 3) is sleeved on the connecting rod between location-plate (2 2) and limiting plate (2 5)
On (2 6) outer wall, and at the outer sheath of buffering elastomer (2 3) equipped with spring (2 4), spring (2 4)
One end and limiting plate (2 5) fix, the other end is fixed with location-plate (2 2).
Integrated buffer formula girder falling structure the most according to claim 1, it is characterised in that: described spring
Antivibrator (2) is horizontally disposed with, and connecting rod (2 6) is parallel with beam body (3).
Integrated buffer formula girder falling structure the most according to claim 1 and 2, it is characterised in that: at bullet
The shell body (2 1) of spring antivibrator (2) and the outside of fixture block (2 7) are provided with cushion (2 9).
Integrated buffer formula girder falling structure the most according to claim 1 and 2, it is characterised in that: described
The top of connecting rod (2 6) minimum range away from shell body (2 1) inwall is 15～25mm.
Integrated buffer formula girder falling structure the most according to claim 1, it is characterised in that: described buffering
Distance between top and the location-plate (2 2) of elastomer (2 3) is 8～12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500609.XU CN205636472U (en) | 2016-05-27 | 2016-05-27 | Girder construction that falls is prevented to whole buffering formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620500609.XU CN205636472U (en) | 2016-05-27 | 2016-05-27 | Girder construction that falls is prevented to whole buffering formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205636472U true CN205636472U (en) | 2016-10-12 |
Family
ID=57053202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620500609.XU Expired - Fee Related CN205636472U (en) | 2016-05-27 | 2016-05-27 | Girder construction that falls is prevented to whole buffering formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205636472U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056509A (en) * | 2018-09-25 | 2018-12-21 | 中铁二院工程集团有限责任公司 | A kind of separate type abutment being suitable for double track railway ultra-wide steel truss girder |
| CN110965456A (en) * | 2019-12-20 | 2020-04-07 | 中国地震局工程力学研究所 | Synchronous limiting and beam falling preventing device based on energy dissipation type structure |
| CN111075112A (en) * | 2019-11-25 | 2020-04-28 | 海南大学 | Self-resetting enhanced column base and construction and installation method thereof |
-
2016
- 2016-05-27 CN CN201620500609.XU patent/CN205636472U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109056509A (en) * | 2018-09-25 | 2018-12-21 | 中铁二院工程集团有限责任公司 | A kind of separate type abutment being suitable for double track railway ultra-wide steel truss girder |
| CN111075112A (en) * | 2019-11-25 | 2020-04-28 | 海南大学 | Self-resetting enhanced column base and construction and installation method thereof |
| CN110965456A (en) * | 2019-12-20 | 2020-04-07 | 中国地震局工程力学研究所 | Synchronous limiting and beam falling preventing device based on energy dissipation type structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20170527 |