CN106522086B - Multidirectional displacement bridge expansion device - Google Patents
Multidirectional displacement bridge expansion device Download PDFInfo
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- CN106522086B CN106522086B CN201611135757.7A CN201611135757A CN106522086B CN 106522086 B CN106522086 B CN 106522086B CN 201611135757 A CN201611135757 A CN 201611135757A CN 106522086 B CN106522086 B CN 106522086B
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- plate
- seam
- fixed
- slide plate
- upper strata
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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
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of Multidirectional displacement bridge expansion device, including across seam beam, fixed beam, upper strata transverse joint plate, movable fishback, fixed broach plate, movable end protection component, bearing block and bearing limiting etc.；The hollow section structure for filling slightly expanded concrete for inside across seam beam, described to be mounted on bearing block across seam beam one end band bearing, another end carriage lower band piston shoes are fallen between fixed beam, can be relatively moved between beam and fixed beam across stitching；Upper strata transverse joint plate and movable fishback are free of nose of comb with being connected by screw bolts across seam beam, and nose of comb is mutually twisted with fixed broach plate plate nose of comb, and movable fishback can slide between fixed top surface of the beam and fixed broach plate.The present invention has many advantages, such as clear and definite simple in structure, stress, super large displacement, multi-directional deflection, safety durable, convenient to install and maintain, noise reduction, automatically cleaning.
Description
Technical field
The present invention relates to science of bridge building field, more particularly, to a kind of Multidirectional displacement bridge expansion device.
Background technology
With Bridges in Our Country construction increasingly towards greatly across, heavy duty direction develop, the requirement to bridge extension joint is also got over
Come higher, bridge extension joint has to convenient towards multi-directional deflection, damping vibration-isolating, noise reduction environmental protection, safety durable, maintenance
Etc. development.Multi-directional deflection telescopic device used in the country of China Loads of Long-span Bridges mainly has external import and Ningbo road treasured etc. at present
Domestic production producer produces；External import multi-directional deflection telescopic device is complicated, involves great expense, and domestic manufacturer produces multidirectional
Displacement expansion device steel using amount is big, multi-directional deflection function scarce capacity, and then the service life period is generally partially short.In conclusion
Big displacement Multidirectional displacement bridge expansion device generally existing is complicated at present, multi-directional deflection function is poor, maintains not
Conveniently, the defects of economic and practical is poor.
Invention content
The purpose of the invention is to overcome the shortcomings of above-mentioned background technology, a kind of simple in structure, installation and repair are provided
It is quick and convenient, multi-directional deflection performance is good, safety durable, economical and practical Multidirectional displacement bridge expansion device.
A kind of Multidirectional displacement bridge expansion device provided by the invention, including across seam beam, fixed beam, upper strata transverse joint plate, work
Dynamic fishback, fixed broach plate, movable end protection component, bearing block and bearing limiting；It is described micro- swollen for internal filling across seam beam
The hollow section structure of swollen concrete, described to be mounted on bearing block across seam beam one end band bearing, another end carriage lower band piston shoes are fallen
Between fixed beam, it can be relatively moved between seam beam and fixed beam；Upper strata transverse joint plate and movable fishback are free of nose of comb
With being connected by screw bolts across seam beam, nose of comb is mutually twisted with fixed broach plate nose of comb, and movable fishback can be in fixed back
It is slided between face and fixed broach plate broach.
Further, the bearing block is MGB materials.
Further, it is described across having the first slide plate under seam beam and fixed beam, there are the second slide plate, movable comb under fixed broach plate
There is third slide plate under tooth plate, the lower section of first slide plate, the second slide plate and third slide plate is steel fiber concrete layer, fixed
Beam, the first slide plate are anchored at by the first pre-embedded bolt component in steel fiber concrete layer, can be on the first slide plate across seam beam
It is free to slide；Second slide plate, third slide plate are anchored at by the second pre-embedded bolt component in steel fiber concrete layer, movable broach
Plate can be free to slide on the second slide plate, third slide plate；First slide plate, the second slide plate, third slide plate are MGB materials.
Further, the upper strata transverse joint plate is installed on seam beam, and transverse joint plate is completely covered across seam beam and across seam beam
Between gap, can prevent sandstone rubbish from entering on waterstop component.
Further, the upper strata transverse joint plate across seam beam end position by weakening upper strata transverse joint plate section, Neng Gou
When beam-ends rotates, upper strata transverse joint plate can adapt to rotational deformation, and upper strata transverse joint plate is enable to keep close at any time with fixed beam
Patch state.
Further, the upper strata transverse joint plate, movable fishback, fixed broach plate are equipped with anti-skid structure, increase driving
Safety.
Further, telescopic device protects component equipped with movable end, and movable end protection component contains high-strength anti-aging rubber,
The high-strength anti-aging rubber is arranged between seam beam movable end and beam body.
Further, all components of the telescopic device are standardized designs in order to which piecemeal repairs.
Further, the telescopic device is two-layer composite, and primary structure member is across seam beam.
Multidirectional displacement bridge expansion device provided by the invention has the beneficial effect that：
(1) the more other big displacement multi-directional deflection telescopic devices of the present invention, main force structure are across seam beam, are adopted across seam beam
With the hollow section structure of internal filling slightly expanded concrete, compared to traditional pure steel plate design, steel using amount is less, more passes through
Ji is practical；In addition, be freely supported structure across stitching beam, it can be around bearing block rotation and transverse shifting, and it is truly realized telescopic device
The separation of movable end and beam-ends makes the more existing big displacement multi-directional deflection telescopic device of the present invention more robust.
(2) since sliding material of the present invention is MGB materials, make the present invention that there is good damping effect, increase driving
Comfort level reduces driving noise.
(3) all being covered across seam beam by transverse joint plate in the present invention, can prevent the rubbish such as sandstone from entering during use
Waterstop extends the service life of waterstop.
(4) since what the present invention innovated uses composite construction, big girder span seam, thin plate dystopy is stretched, the traditional big position of summit
Move the structure type of multi-directional deflection telescopic device.
(5) since component of the present invention is standardized designs, modular manufacturing, there is installation rapid and convenient, maintenance
The characteristics of facilitating.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is that the present invention indulges bridge to structure diagram；
Fig. 2 is the section plan of Fig. 1；
Fig. 3 is across seam girder construction schematic diagram in the present invention；
Fig. 4 is the section plan of Fig. 3；
Fig. 5 is direction across bridge structure diagram of the present invention；
Fig. 6 is movable fishback partial schematic diagram in the present invention；
Fig. 7 is partial enlarged view of the present invention.
Icon：1- is across seam beam；2- fixed beams；3- upper stratas transverse joint plate；4- activity fishbacks；5- fixed broach plates；
6- movable ends protect component；7- bearing blocks；8- bearings limit；The first slide plates of 9-；The second slide plates of 10-；11- thirds are slided
Plate；12- the first pre-embedded bolt components；13- the second pre-embedded bolt components；14- third pre-embedded bolt components；15- waterstops
Component；16- asphalt mixture surfacings；17- steel fiber concrete layers；101- bearings；102- piston shoes；103- metallic studs.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Multidirectional displacement bridge expansion device provided in an embodiment of the present invention, including across seam beam 1, fixed beam 2, upper strata transverse joint plate
3rd, movable fishback 4, fixed broach plate 5, movable end protection component 6, bearing block 7 and bearing limiting 8 etc.；Referring to Fig. 1-Fig. 5 institutes
Show, across hollow section structure of the seam beam 1 for internal filling slightly expanded concrete, across 1 one end of seam beam, band bearing 101 is mounted on bearing
On seat 7, another end carriage lower band piston shoes 102 are fallen between fixed beam 2, can be relatively moved between seam beam 1 and fixed beam 2；On
Layer transverse joint plate 3 and movable fishback 4 are free of nose of comb with being connected by screw bolts across seam beam 1, nose of comb and 5 broach of fixed broach plate
End is mutually twisted, and movable fishback 4 can slide between 5 broach of 2 top surface of fixed beam and fixed broach plate.
In the above-mentioned technical solutions, bearing block 7 is MGB materials, and material property is high for intensity, and damped coefficient is big, friction
Coefficient is small, rotation and relatively transverse movement can be easily realized between seam beam 1 and bearing block 7, so as to have this telescopic device
Multi-directional deflection truly.
Across having the first slide plate 9 under seam beam 1 and fixed beam 2, there is the second slide plate 10 under fixed broach plate 5, under movable fishback 4
There is a third slide plate 11, the lower section of the first slide plate 9, the second slide plate 10 and third slide plate 11 is steel fiber concrete layer 17, fixed beam
2nd, the first slide plate 9 is anchored at by the first pre-embedded bolt component 12 in steel fiber concrete layer 17, can be slided across seam beam 1 first
It is free to slide on plate 9；Second slide plate 10, third slide plate 11 are anchored at steel fiber concrete layer by the second pre-embedded bolt component 13
On 17, movable fishback 4 can be free to slide on the second slide plate 10, third slide plate 11.
Wherein, it can ensure that bridge extension joint is integrally connect more steady with two beam bodies using steel fiber concrete layer 17
It is fixed, will not damage junction due to frequent stress, it is corresponding, should be also equipped on the surface of beam body steel fiber concrete layer 17 with
Isolation asphalt mixture surfacing 16 is in direct contact with telescopic device, prevents the damage of asphalt mixture surfacing 16；Bearing block 7 also leads to
It crosses and is fixed with 17 phase of steel fiber concrete layer, to ensure the stabilization rotated across seam beam 1, specifically, bearing block 7 is pre-buried by third
Bolt assembly 14 is fixedly connected with steel fiber concrete layer 17.
First slide plate 9, the second slide plate 10, third slide plate 11 are MGB materials, and material has intensity height, damped coefficient
Greatly, friction coefficient is small.The features such as corrosion-resistant, can improve driving comfort, reduce noise when driving passes through telescopic device.
Metallic stud 103 is welded with by peg rifle across the top of seam beam 1, upper strata transverse joint plate 3 can by metallic stud 103
Dismounting is fixedly mounted on seam beam 1, and upper strata transverse joint plate 3 is completely covered across seam beam 1 and the gap between beam 1 is stitched, can
It prevents the rubbish such as sandstone from entering on waterstop component 15, increases the service life of waterstop component 15.
Shown in Figure 2, upper strata transverse joint plate 3, movable fishback 4, fixed broach plate 5 are equipped with anti-skid structure, anti-Slipped Clove Hitch
Structure can be the design of some cuts or some tiny protrusions, increase the safety of driving by increasing friction coefficient.
It is shown in Figure 6, upper strata transverse joint plate 3 across seam 1 end position of beam by weakening 3 section of upper strata transverse joint plate, can
When beam-ends rotates, upper strata transverse joint plate 3 can adapt to rotational deformation, and upper strata transverse joint plate 3 is enable to be protected at any time with fixed beam 2
Close-fitting state is held, improve the comfort level of driving and reduces driving noise.
Shown in Figure 7, telescopic device protects component 6 equipped with movable end, and movable end protection component 6 is containing high-strength anti-aging
Rubber, high-strength anti-aging rubber are fixed between seam beam 1 and beam body, specifically, being to be bolted on beam body and across seam
On the identical position of 1 height of beam；Telescopic device can be made to adapt to the rotation of vertical and horizontal direction in this way, improve the work of telescopic device
Performance can make driving face continuous, improve driving comfort level；Telescopic device and spanning can be separated again, occur to turn in telescopic device
Junction steel fiber reinforced concrete is from destroying when dynamic.
Referring to shown in Fig. 1-Fig. 7, all components of telescopic device are standardized designs, quick and easy for installation, and when repair can
With uninterrupted traffic, piecemeal repair；Practical telescopic device is two-layer composite, and main primary structure member is across seam beam 1；It needs
The bridge of different stroke requirements can need to only adjust the sectional dimension across seam beam 1 and fixed beam 2 according to actual conditions.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical features into
Row equivalent replacement；And these modifications or replacement, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (9)
1. a kind of Multidirectional displacement bridge expansion device, it is characterised in that：Including across seam beam (1), fixed beam (2), upper strata transverse joint plate
(3), movable fishback (4), fixed broach plate (5), movable end protection component (6), bearing block (7) and bearing limiting (8)；It is described
It is described to pacify across seam beam (1) one end band bearing (101) across hollow section structure of the seam beam (1) for internal filling slightly expanded concrete
On bearing block (7), another end carriage lower band piston shoes (102) are fallen between fixed beam (2), across seam beam (1) with fixed beam (2) it
Between can relatively move；Upper strata transverse joint plate (3) and movable fishback (4) without nose of comb with being connected by screw bolts across stitching beam (1),
Nose of comb is mutually twisted with fixed broach plate (5) nose of comb, and movable fishback (4) can be in fixed beam (2) top surface and fixed broach
It is slided between plate (5) broach.
2. a kind of Multidirectional displacement bridge expansion device as described in claim 1, it is characterised in that：The bearing block (7) is MGB materials
Material.
3. a kind of Multidirectional displacement bridge expansion device as described in claim 1, it is characterised in that：It is described across seam beam (1) and solid
Determine have the first slide plate (9) under beam (2), have the second slide plate (10) under fixed broach plate (5), have third cunning under movable fishback (4)
Plate (11), the lower section of first slide plate (9), the second slide plate (10) and third slide plate (11) is steel fiber concrete layer (17),
Fixed beam (2), the first slide plate (9) are anchored at by the first pre-embedded bolt component (12) in steel fiber concrete layer (17), across seam
Beam (1) can be free to slide on the first slide plate (9)；Second slide plate (10), third slide plate (11) pass through the second pre-embedded bolt group
Part (13) is anchored in steel fiber concrete layer (17), and movable fishback (4) can be in the second slide plate (10), third slide plate (11)
It is upper free to slide；First slide plate (9), the second slide plate (10), third slide plate (11) are MGB materials.
4. a kind of Multidirectional displacement bridge expansion device as described in claim 1, it is characterised in that：The upper strata transverse joint plate (3)
It is installed on seam beam (1), upper strata transverse joint plate (3) is completely covered across seam beam (1) and the gap between seam beam (1), can be prevented
Only sandstone rubbish is entered on waterstop component (15).
5. a kind of Multidirectional displacement bridge expansion device as claimed in claim 4, it is characterised in that：The upper strata transverse joint plate (3)
Across seam beam (1) end position by weakening upper strata transverse joint plate (3) section, can be when beam-ends rotates, upper strata transverse joint plate
(3) rotational deformation is can adapt to, upper strata transverse joint plate (3) is made close-fitting state can be kept at any time with fixed beam (2).
6. a kind of Multidirectional displacement bridge expansion device as claimed in claim 4, it is characterised in that：The upper strata transverse joint plate (3),
Movable fishback (4), fixed broach plate (5) are equipped with anti-skid structure, increase the safety of driving.
7. a kind of Multidirectional displacement bridge expansion device as described in claim 1, it is characterised in that：Telescopic device is equipped with movable end
Component (6) is protected, containing high-strength anti-aging rubber, the high-strength anti-aging rubber is arranged on across seam movable end protection component (6)
Between beam movable end and beam body.
8. a kind of Multidirectional displacement bridge expansion device as described in claim 1, it is characterised in that：All components of telescopic device are equal
For standardized designs in order to which piecemeal repairs.
9. a kind of Multidirectional displacement bridge expansion device as described in claim 1, it is characterised in that：Telescopic device is two-layer compound
Structure, primary structure member are across seam beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135757.7A CN106522086B (en) | 2016-12-07 | 2016-12-07 | Multidirectional displacement bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611135757.7A CN106522086B (en) | 2016-12-07 | 2016-12-07 | Multidirectional displacement bridge expansion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106522086A CN106522086A (en) | 2017-03-22 |
| CN106522086B true CN106522086B (en) | 2018-06-26 |
Family
ID=58341878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611135757.7A Active CN106522086B (en) | 2016-12-07 | 2016-12-07 | Multidirectional displacement bridge expansion device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106522086B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201942997U (en) * | 2010-12-17 | 2011-08-24 | 成都市新筑路桥机械股份有限公司 | Bending-deformation-resistance comb tooth type bridge telescopic device |
| CN102767137B (en) * | 2012-08-15 | 2014-09-03 | 上海汇城建筑装饰有限公司 | Anti-seismic large deformation expansion device of comb plate |
| CN203625769U (en) * | 2013-10-30 | 2014-06-04 | 上海汇城建筑装饰有限公司 | Box body type anti-seismic comb plate expansion and contraction device |
| KR101607531B1 (en) * | 2013-12-04 | 2016-04-05 | 대창이엔지 주식회사 | Bridge expansion joint with shear type bolt |
| CN105113399B (en) * | 2015-08-14 | 2017-01-04 | 山东公路机械厂 | Float tooth-like big displacement quantity bridge extension joint |
| CN206428580U (en) * | 2016-12-07 | 2017-08-22 | 中交铁道(武汉)建设科技有限公司 | Multidirectional displacement bridge expansion device |
-
2016
- 2016-12-07 CN CN201611135757.7A patent/CN106522086B/en active Active
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| Publication number | Publication date |
|---|---|
| CN106522086A (en) | 2017-03-22 |
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