CN108487060A - A kind of highway bridge fishback telescopic device - Google Patents
A kind of highway bridge fishback telescopic device Download PDFInfo
- Publication number
- CN108487060A CN108487060A CN201810569739.2A CN201810569739A CN108487060A CN 108487060 A CN108487060 A CN 108487060A CN 201810569739 A CN201810569739 A CN 201810569739A CN 108487060 A CN108487060 A CN 108487060A
- Authority
- CN
- China
- Prior art keywords
- broach
- seam
- fishback
- highway bridge
- telescopic device
- 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.)
- Pending
Links
- 230000009975 flexible effect Effects 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 14
- 238000010276 construction Methods 0.000 claims abstract description 8
- 230000002687 intercalation Effects 0.000 claims abstract description 4
- 238000009830 intercalation Methods 0.000 claims abstract description 4
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 4
- 239000004700 high-density polyethylene Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 claims description 2
- 229920000178 Acrylic resin Polymers 0.000 claims description 2
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 239000011354 acetal resin Substances 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920006324 polyoxymethylene Polymers 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 244000126211 Hericium coralloides Species 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of highway bridge fishback telescopic devices, including fixed broach plate, connect across seam fishback, the fixed broach that connect with fixed broach plate and with across seam fishback multiple across seam broach, the fixed broach is arranged with across seam broach for the intercalation that interlocks；The fixed broach inlays the joinery and its construction of occlusion with being both provided with across the adjacent vertical side of seam broach, and the joinery and its construction includes that the groove of fixed broach vertical side lower end and the convex block across seam broach vertical side lower end, the groove match with convex block；It is described to be connected with flexible transition plate across the setting of seam broach side across separate on seam fishback.The present invention can both ensure across the free to slide of seam broach horizontal direction, displacement load force can be transmitted again, increase broach intensity and globality, driving passes through flatness, improve service life, simultaneously because foring the flexible constraint support limited up and down, it will not deform and upwarp across seam broach, therefore ensure that traffic safety.
Description
Technical field
The present invention relates to a kind of traffic highway bridge fishback telescopic device technical field, specifically a kind of highway bridge comb
Tooth plate telescopic device.
Background technology
Expansion Units for Highway Bridges is one of the important component of highway bridge construction, and function is to make bridge structure object
Under the action of the factors such as temperature change and concrete or steel contraction, creeping displacement and dynamic load, it can keep freely more
The flexible of direction is tieed up, to adapt to the various modifications of highway bridge structure, being ensured in highway bridge normal operation for one must can not
Few structural devices.
With increasing sharply for the volume of traffic and heavy goods vehicles, especially overloading is serious in recent years, keeps highway bridge flexible
The destruction situation of device is increasingly severe, is exposed in air in the wild for a long time in the telescopic device use of highway bridge, uses ring
Border is more severe, is most to be subject to destroy in bridge structure and be relatively difficult to the position repaired.Existing telescopic device uses completely
Simple steel manufacture, connects although with different mechanical structures and designs, but be not fully solved telescopic device there are the problem of.
Telescopic device rigidity and flexibility are difficult to reach balance and take into account, and increase the flexibility of telescopic device, then it cannot be guaranteed that the driving at expansion joint
The end of safety and highway safety bridge member；The rigidity for increasing telescopic device, then can not usually adapt to the more of expansion joint position
To displacement, lead to the fracture damage of the components such as telescopic device installation anchoring piece.
Expansion Units for Highway Bridges is generally various types comb teeth retractor device in the prior art, by docking fishback
Block interts to realize its retractility mutually, but each adjacent fingers vertical side is plane, and it is cantilever to cause each broach
The free end state of beam, the deformation of broach independent stressed limit constraint support without upper and lower vertical direction from each other, can not be mutual
Alternation position load force according to legend is easy fatigue fracture, leads to serious traffic safety accident；In addition installation and in use, broach very
It is easy to form hanging stress, under the vehicle-mounted pressure effect of long-term dynamics, broach may be deformed and be upwarped, therefore be seriously affected
Traffic safety.
Invention content
The purpose of the present invention is to provide a kind of highway bridge fishback telescopic devices, to solve to carry in above-mentioned background technology
The problem of going out.
To achieve the above object, the present invention provides the following technical solutions：
A kind of highway bridge fishback telescopic device, including fixed broach plate, across seam fishback, connect with fixed broach plate
Fixed broach and with across seam fishback connect it is multiple across seam broach, the fixed broach with across seam broach be interlock intercalation cloth
It sets；The fixed broach inlays the joinery and its construction of occlusion, the Tenon knot with being both provided with across the adjacent vertical side of seam broach
Structure includes the groove of fixed broach vertical side lower end and the convex block across seam broach vertical side lower end, the groove and convex block
Match；It is described to be connected with flexible transition plate across the setting of seam broach side across separate on seam fishback, it is described logical across seam fishback
It crosses flexible transition plate to be anchored in built-in fitting, the built-in fitting is the concrete layer for being embedded in Highway Bridge Expansion Joint supporting station
In.
As a further solution of the present invention：It is provided at least one set of fixed broach on the fixed broach plate.
As further scheme of the invention：One group of bolt is at least set on the fixed broach plate and fixed broach
Hole.
As further scheme of the invention：The fixed broach plate is integrally formed with fixed broach, is be bonded, riveting
Or it is detachably connected.
As further scheme of the invention：It is described to be integrally formed with across seam broach across seam fishback, is be bonded, riveting
Or it is detachably connected.
As further scheme of the invention：The fixed broach plate is with direction in fixed broach across seam fishback side
It is both provided with the shovel plastering cover of inclination arrangement.
As further scheme of the invention：It is adjacent between stitching broach across seam fishback on be provided with inclination arrangement
Main exhaust slot.
As further scheme of the invention：The fixed broach and it is both provided with inclination arrangement across seam broach two sides
Auxiliary exhaust slot.
As further scheme of the invention：The auxiliary exhaust slot extends to corresponding fixed broach or across seam broach
Free end, and auxiliary exhaust trench bottom height extends along direction and is gradually lower.
As further scheme of the invention：The flexible transition plate is with the polypropylene modification butylbenzene rubber of carbon fiber modifying
One in glue, ultra-high molecular weight polyethylene UHMWPE, high density polyethylene, polyamide, acrylic resin, acetal resin
Kind or a variety of compositions arbitrarily combined are material.
Compared with prior art, the beneficial effects of the invention are as follows：1, the present invention is by fixed broach and across the adjacent of seam broach
Vertical side is designed as corresponding groove and convex block, can not only ensure across the free to slide of seam broach horizontal direction, but also can pass
Alternation position load force, increases broach intensity and globality, and driving improves service life, simultaneously because foring by flatness
The flexible constraint support limited up and down will not be deformed across seam broach and be upwarped, therefore ensure that traffic safety.
2, by the material property of flexible transition plate, it is adapted to the multi-faceted deformation of the present invention.Except with all steel across seam comb
The vertical rigidity of tooth plate rigidity, and vertical load can be born and adapted to outside beam-ends rotation, also using flexible transition plate itself
Flexibility can be such that the multiple-directional rotating of highway bridge component and displacement is easier to, and effectively absorb impact load caused by driving, significantly
Driving noise of the vehicle by telescopic device is reduced, is suitable for modularization highway bridge component, Longspan Bridge, simply supported beam are continuous
The highway bridges such as slab bridge and multi-span continuous bridge are installed and used.
Description of the drawings
Fig. 1 is the mounting structure schematic diagram of highway bridge fishback telescopic device.
Fig. 2 is the vertical view of highway bridge fishback telescopic device.
Fig. 3 is fixed broach and assembling schematic diagram when stitching broach cooperation in the present invention.
Fig. 4 is the sectional view of fixed broach in the present invention.
Fig. 5 is in the present invention across the sectional view of seam broach
Fig. 6 is fixed broach and stereogram when stitching broach cooperation in the present invention.
In figure：1- fixed broach, 2- across seam broach, 3- grooves, 4- convex blocks, 5- fixed broach plates, 6- across seam fishback,
7- shovels plastering cover, 8- main exhaust slots, 9- auxiliary exhaust slots, 10- bolts hole, 11- concrete layers, the expansion joints 12-, 13- flexible transitions
Plate.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1：Please refer to Fig.1-6, a kind of highway bridge fishback telescopic device, including fixed broach plate 5, comb across seam
Tooth plate 6, the fixed broach 1 being connect with fixed broach plate 5 and with across seam fishback 6 connect it is multiple across stitch broach 2, wherein each
One group of fixed broach 1 is provided on fixed broach plate 5, each across seam fishback 6 on be provided with six groups across seam broach 2；It is described solid
Determine broach 1 to arrange for staggeredly intercalation with across seam broach 2；The fixed broach 1 is respectively provided with across the adjacent vertical side of seam broach 2
There is a joinery and its construction for inlaying occlusion, the joinery and its construction includes the groove 3 of 1 vertical side lower end of fixed broach and across seam broach
The convex block 4 of 2 vertical side lower ends, the groove 3 match with convex block 4；It is described separate across seam broach 2 one on fishback 6 across stitching
Side setting is connected with flexible transition plate 13, described to be anchored in built-in fitting by flexible transition plate 13 across seam fishback 6, described
Built-in fitting is embedded in the concrete layer 11 of Highway Bridge Expansion Joint supporting station.
Operation principle：The present invention is designed as corresponding groove 3 by fixed broach 1 and across the neighboring vertical side of seam broach 2
And convex block 4, it can not only ensure across the free to slide of seam 2 horizontal direction of broach, but also displacement load force can be transmitted, it is strong to increase broach
Degree and globality, driving improve service life by flatness, simultaneously because the flexible constraint support limited up and down is formd,
It will not deform and upwarp across seam broach 2, therefore ensure that traffic safety.
By the material property of flexible transition plate 13, it is adapted to the multi-faceted deformation of the present invention.Except with all steel across seam comb
The vertical rigidity of tooth plate rigidity, and vertical load can be born and adapted to outside beam-ends rotation, also using flexible transition plate itself
Flexibility can be such that the multiple-directional rotating of highway bridge component and displacement is easier to, and effectively absorb impact load caused by driving, significantly
Driving noise of the vehicle by telescopic device is reduced, modularization highway bridge component, Longspan Bridge, simply supported beam are particularly suitable for
The highway bridges such as Continuous Slab Bridge and multi-span continuous bridge are installed and used.
It should be noted that the flexible transition plate 1 is integrally formed with across seam fishback 6, is be bonded, riveting or detachably
Connection, but it is not limited to above-mentioned connection type.
And split type fixed broach plate 5 is used, in repair, it is only necessary to replace the single fixed broach plate 5 of damage i.e.
Can, do not have to whole replacement, reduce maintenance difficulties, improves maintenance efficiency, reduce cost.
Embodiment 2：It is same as Example 1, the difference is that being provided with six groups of groups on each fixed broach plate 5 fixes comb
Tooth 1.Using the fixed broach plate 5 of monoblock type, when mounted, ensure each fixed broach 1 in same reference plane, improves installation
Efficiency.
Embodiment 3：It is same as Example 1, the difference is that towards across seam in the fixed broach plate 5 and fixed broach 1
6 side of fishback is both provided with the shovel plastering cover 7 of inclination arrangement.Due in the use of the present invention, in the horizontal direction across seam broach 2
It is free to slide, when its with fixed broach plate 5 apart from farther out when, between fixed broach plate 5 or fixed broach 1 is combed with across seam
Between tooth plate 6 generate one be easy accommodate dust open slot, after long-time use, dust can block the open slot, cause across
Stitching broach 2 in the horizontal direction cannot continue free to slide, it is made to lose flexible effect, therefore the present invention passes through and shovels plastering cover
7 setting can root out dust automatically while stitching broach 2 and sliding, especially especially suitable for there is the area of sand dust environment,
Greatly extend the service life of the present invention.
Embodiment 4：It is same as Example 1, the difference is that adjacent being arranged across on seam fishback 6 between stitching broach 2
There are the main exhaust slot 8 of inclination arrangement, the fixed broach 1 and the auxiliary for being both provided with inclination arrangement across 2 two sides of seam broach to arrange
Air drain 9, the auxiliary exhaust slot 9 extend to corresponding fixed broach 1 or the free end across seam broach 2, and auxiliary exhaust slot 9
Bottom level extends along direction and is gradually lower.The setting of main exhaust slot 8 and auxiliary exhaust slot 9, primarily to solving because of vapour
In wheel tyre pressure contracting open slot caused by air the case where noise, especially suitable for the expansion joint of urban elevated road bridge,
Achieve the purpose that noise reduction.
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 of 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
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements 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 embodiment being appreciated that.
Claims (10)
1. a kind of highway bridge fishback telescopic device, which is characterized in that including fixed broach plate, across seam fishback and fixation
Fishback connection fixed broach and with across seam fishback connect it is multiple across seam broach, the fixed broach with across stitch broach be
Staggeredly intercalation is arranged；The fixed broach inlays the joinery and its construction of occlusion with being both provided with across the adjacent vertical side of seam broach,
The joinery and its construction includes the groove of fixed broach vertical side lower end and the convex block across seam broach vertical side lower end, described
Groove matches with convex block；It is described across on seam fishback far from being connected with flexible transition plate across the setting of seam broach side, it is described across
Seam fishback is anchored at by flexible transition plate in built-in fitting, and the built-in fitting is embedded in Highway Bridge Expansion Joint supporting station
In concrete layer.
2. highway bridge fishback telescopic device according to claim 1, which is characterized in that set on the fixed broach plate
It is equipped at least one set of fixed broach.
3. highway bridge fishback telescopic device according to claim 1, which is characterized in that the fixed broach plate and solid
Determine that one group of bolt hole is at least arranged on broach.
4. highway bridge fishback telescopic device according to claim 1, which is characterized in that the fixed broach plate with it is solid
Determine broach to be integrally formed, be bonded, rivet or be detachably connected.
5. highway bridge fishback telescopic device according to claim 1, which is characterized in that it is described across seam fishback with across
Seam broach is integrally formed, is bonded, rivets or is detachably connected.
6. highway bridge fishback telescopic device according to claim 1, which is characterized in that the fixed broach plate with it is solid
Determine on broach towards the shovel plastering cover for being both provided with inclination arrangement across seam fishback side.
7. highway bridge fishback telescopic device according to claim 6, which is characterized in that adjacent between stitching broach
Across the main exhaust slot for being provided with inclination arrangement on seam fishback.
8. highway bridge fishback telescopic device according to claim 6, which is characterized in that the fixed broach and across seam
Broach two sides are both provided with the auxiliary exhaust slot of inclination arrangement.
9. highway bridge fishback telescopic device according to claim 8, which is characterized in that the auxiliary exhaust slot extends
To corresponding fixed broach or across the free end for stitching broach, and auxiliary exhaust trench bottom height extends along direction and gradually becomes
It is low.
10. highway bridge fishback telescopic device according to any one of claims 1 to 8, which is characterized in that described soft
Property rebound is with the polypropylene modification butadiene-styrene rubber, ultra-high molecular weight polyethylene UHMWPE, high density polyethylene (HDPE) of carbon fiber modifying
One or more compositions arbitrarily combined in HDPE, polyamide, acrylic resin, acetal resin are material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810569739.2A CN108487060A (en) | 2018-06-05 | 2018-06-05 | A kind of highway bridge fishback telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810569739.2A CN108487060A (en) | 2018-06-05 | 2018-06-05 | A kind of highway bridge fishback telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108487060A true CN108487060A (en) | 2018-09-04 |
Family
ID=63342140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810569739.2A Pending CN108487060A (en) | 2018-06-05 | 2018-06-05 | A kind of highway bridge fishback telescopic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108487060A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158457A (en) * | 2019-06-06 | 2019-08-23 | 桂迎生 | A kind of highway bridge fishback telescopic device |
| CN112962445A (en) * | 2021-04-02 | 2021-06-15 | 安徽安能建设集团有限公司 | Seamless large-displacement highway walking bridge expansion device |
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| US20070044257A1 (en) * | 2004-01-08 | 2007-03-01 | Bin Xu | Large resisting distortion comb-type bridge expansion joint |
| CN101705657A (en) * | 2009-11-20 | 2010-05-12 | 徐斌 | Comb plate for bridge expansion joint device |
| CN201627141U (en) * | 2010-03-04 | 2010-11-10 | 上海汇城建筑装饰有限公司 | Anti-fall toothed crossover joint simply-supported comb-tooth-shaped expansion device |
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| CN205295928U (en) * | 2016-01-11 | 2016-06-08 | 衡水宝力工程橡胶有限公司 | Comb tooth extending device capable of changing positions in multiple directions |
| CN205893909U (en) * | 2016-08-16 | 2017-01-18 | 河南工程学院 | Road bridge expansion joint |
| CN208455468U (en) * | 2018-06-05 | 2019-02-01 | 吴昊 | A kind of highway bridge fishback telescopic device |
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2018
- 2018-06-05 CN CN201810569739.2A patent/CN108487060A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2649639Y (en) * | 2003-07-28 | 2004-10-20 | 赵志刚 | Improved durable, water-proofing, dust-free and shockproof expansion apparatus |
| US20070044257A1 (en) * | 2004-01-08 | 2007-03-01 | Bin Xu | Large resisting distortion comb-type bridge expansion joint |
| CN101705657A (en) * | 2009-11-20 | 2010-05-12 | 徐斌 | Comb plate for bridge expansion joint device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110158457A (en) * | 2019-06-06 | 2019-08-23 | 桂迎生 | A kind of highway bridge fishback telescopic device |
| CN112962445A (en) * | 2021-04-02 | 2021-06-15 | 安徽安能建设集团有限公司 | Seamless large-displacement highway walking bridge expansion device |
| CN112962445B (en) * | 2021-04-02 | 2023-01-17 | 安徽安能建设集团有限公司 | Seamless large-displacement highway walking bridge expansion device |
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