CN208701500U - A kind of girder falling bridge extension joint - Google Patents
A kind of girder falling bridge extension joint Download PDFInfo
- Publication number
- CN208701500U CN208701500U CN201820476351.3U CN201820476351U CN208701500U CN 208701500 U CN208701500 U CN 208701500U CN 201820476351 U CN201820476351 U CN 201820476351U CN 208701500 U CN208701500 U CN 208701500U
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- CN
- China
- Prior art keywords
- support beam
- supporting box
- bridge
- movable
- girder falling
- Prior art date
- 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 girder falling bridge extension joints, including two supporting box and support beam, equal activity is plugged with same support beam in two supporting box, two supporting box are equipped with side bar, and support beam is equipped with central sill, connection grillage is fixedly installed on two supporting box internal box walls respectively, and two connection grillages are flexibly connected with support beam, the support beam both ends have been movably connected with beam casing plate.Bridge stretching structure facility is double telescopic by the utility model, first is flexible between supporting box and support beam again, second is flexible between beam casing plate and support beam again, under normal circumstances, bridge superstructure moves in safe range, when bridge structure meets with the effect of super expected earthquake, stiffener plays pulling force effect to beam casing plate, beam casing plate is driven to move in restriction range along support beam, to hold bridge superstructure, so that bridge superstructure is not fallen beam, avoids bridge collapse.
Description
Technical field
The utility model relates to telescopic device technical field, specially a kind of girder falling bridge extension joint.
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..
In present bridge extension joint, do not have girder falling function, collapse-proof systems, which are that one kind is novel, subtracts antidetonation
Design and reinforcement means prevent beam from falling off from support, and coupling beam device is the final safety precautions in collapse-proof systems, and one
As need to specially be arranged in Bridge Design, increase bridge overall cost, and installation maintenance is inconvenient, in consideration of it, it is proposed that one
Kind girder falling bridge extension joint is for solving the above problems.
Utility model content
The purpose of this utility model is to provide a kind of girder falling bridge extension joints, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of girder falling bridge extension joint, including
Two supporting box and support beam, activity is plugged with same support beam, two branch in two supporting box
It supports cabinet and is equipped with side bar, and support beam is equipped with central sill, is fixedly installed with respectively on two supporting box internal box walls
Grillage is connected, and two connection grillages are flexibly connected with support beam, the support beam both ends have been movably connected with beam
Cage plate, and two beam casing plates are connected on two supporting box far from one end of support beam.
Preferably, the support beam both ends are equipped with movable chamber, and sliding mouth is respectively equipped in two movable chambers, two work
Move it is intracavitary be respectively equipped with the first movable inner panel, and two first movable inner panels mutually from one end be respectively fixedly connected with connection and drawn
Muscle, and mutually from side, activity runs through two sliding mouths respectively for two connection lacing wires, and is fixedly connected respectively with two connection grillages.
Preferably, stiffener is respectively equipped in two supporting box, and two stiffeners are annular plate, it is described two to add
Strength plate upper end is fixedly connected to side bar, and two stiffeners and two beam casing plates are fixedly connected.
Preferably, two second movable inner panels are located in two movable chambers, and two the described second movable inner panel phases
From one end be respectively fixedly connected with beam casing plate.
Preferably, cushion, and cushion lateral surface are socketed on the described first movable inner panel and the second movable inner panel
It is coated with anti-corrosion layer.
Compared with prior art, the utility model has the beneficial effects that
Bridge stretching structure facility is double telescopic by the utility model, and first is between supporting box and support beam again
It is flexible, second be again it is flexible between beam casing plate and support beam, under normal circumstances, bridge superstructure is in safe range
Mobile, when bridge structure meets with the effect of super expected earthquake, stiffener plays pulling force effect to beam casing plate, drives beam casing plate along branch
Support crossbeam moves in restriction range, to hold bridge superstructure, bridge superstructure is made not fall beam, guarantees bridge peace
Entirely, bridge collapse is avoided.
Detailed description of the invention
Fig. 1 is the utility model section view；
Fig. 2 is the utility model beam casing plate and stiffener attachment structure schematic diagram.
In figure: 1 central sill, 2 side bars, 3 supporting box, 4 connection grillages, 5 support beams, 6 first movable inner panels, 7 beam casing plates,
8 stiffeners, 9 second movable inner panels, 10 connection lacing wires.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
A kind of girder falling bridge extension joint referring to FIG. 1-2, including two supporting box 3 and support beam 5, two
Equal activity is plugged with same support beam 5 in supporting box 3, and two supporting box 3 are equipped with side bar 2, and set in support beam 5
There is central sill 1, is fixedly installed with connection grillage 4 on two 3 internal box walls of supporting box respectively, and two connection grillages 4 are equal and support
Crossbeam 5 is flexibly connected, and 5 both ends of support beam are equipped with movable chamber, and sliding mouth is respectively equipped in two movable chambers, two movable chambers
Inside be respectively equipped with the first movable inner panel 6, and two first movable 6 phases of inner panel from one end be respectively fixedly connected with connection lacing wire
10, and from side, activity runs through two sliding mouths to two 10 phases of connection lacing wire respectively, and fixes connect with two connection grillages 4 respectively
It connects, guarantees a heavy telescopic effect of bridge stretching structure, 5 both ends of support beam have been movably connected with beam casing plate 7, and two beams
Cage plate 7 is connected on two supporting box 3 far from one end of support beam 5, is respectively equipped with and is put more energy into two supporting box 3
Plate 8, and two stiffeners 8 are annular plate, two 8 upper ends of stiffener are fixedly connected to side bar 2, and two 8 Hes of stiffener
Two beam casing plates 7 are fixedly connected, and two second movable inner panels 9 are located in two movable chambers, and two second movable inner panels 9
Mutually from one end be respectively fixedly connected with beam casing plate 7, when bridge structure meet with super expected earthquake act on when, stiffener is to beam casing plate
7 pulling force effects drive beam casing plate 7 to move in restriction range along support beam 5, to hold bridge superstructure, make
Bridge superstructure does not fall beam, guarantees to be socketed with cushion on the movable inner panel 6 of bridge security first and the second movable inner panel 9,
And cushion lateral surface is coated with anti-corrosion layer, guarantees the buffer function of two movable inner panels, and improves cushion service life.
Working principle: bridge stretching structure facility is double telescopic by the utility model, and first is supporting box 3 and branch again
Stretching between crossbeam 5 is supportted, second is stretching between beam casing plate 7 and support beam 5 again, under normal circumstances, bridge top knot
Structure moves in safe range, and when bridge structure meets with the effect of super expected earthquake, stiffener 8 plays pulling force effect to beam casing plate 7,
It drives beam casing plate 7 to move in restriction range along support beam 5, to hold bridge superstructure, makes bridge superstructure
Beam is not fallen, guarantees bridge security, avoids bridge collapse.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of girder falling bridge extension joint, including two supporting box (3) and support beam (5), it is characterised in that: two
Equal activity is plugged with same support beam (5) in the supporting box (3), and two supporting box (3) are equipped with side bar
(2), and support beam (5) is equipped with central sill (1), is fixedly installed with connection respectively on two supporting box (3) internal box walls
Grillage (4), and two connection grillages (4) are flexibly connected with support beam (5), support beam (5) both ends activity respectively
It is connected with beam casing plate (7), and two beam casing plates (7) are connected to two supporting box (3) far from the one end of support beam (5)
On.
2. a kind of girder falling bridge extension joint according to claim 1, it is characterised in that: the support beam (5) two
End is equipped with movable chamber, and sliding mouth is respectively equipped in two movable chambers, and the first movable inner panel is respectively equipped in two movable chambers
(6), and two first movable inner panels (6) mutually from one end be respectively fixedly connected with connection lacing wire (10), and two connection lacing wires
(10) mutually from side, activity runs through two sliding mouths respectively, and is fixedly connected respectively with two connection grillages (4).
3. a kind of girder falling bridge extension joint according to claim 2, it is characterised in that: in two supporting box (3)
It is respectively equipped with stiffener (8), and two stiffeners (8) are annular plate, described two stiffener (8) upper ends are fixedly connected to
Side bar (2), and two stiffeners (8) are fixedly connected with two beam casing plates (7).
4. a kind of girder falling bridge extension joint according to claim 3, it is characterised in that: two second movable inner panels
(9) be located in two movable chambers, and two second movable inner panels (9) mutually from one end be respectively fixedly connected with beam casing
Plate (7).
5. a kind of girder falling bridge extension joint according to claim 4, it is characterised in that: the described first movable inner panel
(6) and on the second movable inner panel (9) it is socketed with cushion, and cushion lateral surface is coated with anti-corrosion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820476351.3U CN208701500U (en) | 2018-04-04 | 2018-04-04 | A kind of girder falling bridge extension joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820476351.3U CN208701500U (en) | 2018-04-04 | 2018-04-04 | A kind of girder falling bridge extension joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208701500U true CN208701500U (en) | 2019-04-05 |
Family
ID=65912031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820476351.3U Expired - Fee Related CN208701500U (en) | 2018-04-04 | 2018-04-04 | A kind of girder falling bridge extension joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208701500U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904822A (en) * | 2019-12-25 | 2020-03-24 | 中国地震局工程力学研究所 | Easy-to-maintain embedded bridge anti-falling beam and bridge connecting structure thereof |
-
2018
- 2018-04-04 CN CN201820476351.3U patent/CN208701500U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110904822A (en) * | 2019-12-25 | 2020-03-24 | 中国地震局工程力学研究所 | Easy-to-maintain embedded bridge anti-falling beam and bridge connecting structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190807 Address after: 610000 Room 302, 3rd Floor, Unit 2, Building 9, No. 2, Wuxing Second Road, Wuhou District, Chengdu City, Sichuan Province Patentee after: Kaitian Construction Development Group Co.,Ltd. Address before: 610000 No. 1 Floor 250, No. 97 Jiangxi Lane, Pitong Town, Pidu District, Chengdu City, Sichuan Province Patentee before: CHENGDU LINGLINGQI TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |