CN103352423B - A kind of bridge expansion joint installation of antiseismic displacement - Google Patents
A kind of bridge expansion joint installation of antiseismic displacement Download PDFInfo
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- CN103352423B CN103352423B CN201310318260.9A CN201310318260A CN103352423B CN 103352423 B CN103352423 B CN 103352423B CN 201310318260 A CN201310318260 A CN 201310318260A CN 103352423 B CN103352423 B CN 103352423B
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Abstract
A kind of bridge expansion joint installation of antiseismic displacement, comprise and be separately positioned on the first movable pecten on bridge expanssion joint both sides first beam body and the second beam body and the second movable pecten, this first movable pecten and the second movable pecten are respectively arranged with comb in respective opposite end and transpostion interval is arranged mutually, wherein said first movable pecten makes the end of its comb be positioned on the second beam body across bridge expanssion joint, further, the first movable pecten and the second movable pecten are arranged on each self-corresponding beam body in the mode of the relative beam body lateral rotation of energy respectively.Compared with prior art, to pecten and the rigid damage to whole bridge expansion joint installation when the present invention effectively can avoid earthquake displacement, the shock resistance of expansion gap device is improved.
Description
Technical field
The present invention relates to bridge expansion joint installation, particularly relate to a kind of bridge expansion joint installation of antiseismic displacement.
Background technology
Bridge expanssion joint is the requirement in order to meet bridge floor distortion, the device arranged between two beam-ends, between beam-ends and abutment or in the articulated position of bridge.In existing bridge expansion joint installation, no matter be that digital modeling or comb are board-like, its longitudinal extension function all can meet the flexible needs of bridge beam body, as publication number is: disclose a kind of bridge expansion joint installation in the Chinese invention patent " a kind of comb type bridge expansion joint device " of CN1958959A, it comprises and is separately positioned on fixing pecten on bridge expanssion joint two curb girder body and movable pecten, wherein movable pecten is placed on bridge expanssion joint, fixing pecten and movable pecten are respectively provided with comb in end relative separately and transpostion interval is arranged mutually, and, comb on movable pecten is positioned on bridge expanssion joint.This invention can make the longitudinal extension campaign of bridge complete on bridge expanssion joint, can improve the longitudinal extension amount of bridge, significantly shortens movable pecten body length, reduces manufacturing cost, ensures the smooth-ride of vehicle.
And for example the patent No. is: the disclosed bridge expansion joint installation of the Chinese invention patent " a kind of super anti-flexible comb type bridge expansion joint apparatus " of ZL200410049491.5 has the multidirectional change functions such as vertical corner, horizontal, oblique and torsion.But when generation earthquake, especially special violent earthquake, transversion malposition motion will be produced between bridge beam body, above-mentioned each bridge expansion joint installation all can not meet this dislocation motion displacement needs, as: modulus type bridge expansion joint installation is under this transversion malposition motion effect, the damage phenomenons such as supporting traverse fractures, bearing comes off can be produced, and the board-like bridge expansion joint installation of comb is under this transversion malposition motion effect, comb easily wrecks, bolt frangibility comes off, thus causes whole expansion gap device to damage.
Summary of the invention
Technical problem to be solved by this invention is the bridge expansion joint installation providing a kind of antiseismic displacement for prior art, the pecten of this kind of bridge expansion joint installation can rotation displacement mutually during bridge beam body generation transversion malposition displacement under earthquake state, and after earthquake terminates still resilient and keep that expansion gap device is complete not to be damaged.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of bridge expansion joint installation of antiseismic displacement, comprise and be separately positioned on the first movable pecten on bridge expanssion joint both sides first beam body and the second beam body and the second movable pecten, this first movable pecten and the second movable pecten are respectively arranged with comb in respective opposite end and transpostion interval is arranged mutually, wherein said first movable pecten makes the end of its comb be positioned on the second beam body across bridge expanssion joint, it is characterized in that: the first movable pecten and the second movable pecten are arranged on each self-corresponding beam body in the mode of the relative beam body lateral rotation of energy respectively.
The set-up mode of the relative beam body lateral rotation of described first movable pecten energy, specific as follows: between described first movable pecten and described first beam body, to be provided with the first fixed base plate, the end of described first movable pecten is provided with set bolt, this set bolt is arranged in and is arranged on circular hole on the first fixed base plate and extends to the first beam body inside and be fixed on described first fixed base plate by described first movable pecten, is fixed on the first beam body by described first fixed base plate simultaneously; The nearly comb place of described first movable pecten is provided with rotating bolt, and this rotating bolt is arranged in the mounting hole that is arranged on the first fixed base plate, and is fixed on the first fixed base plate by nut.
The set-up mode of the relative beam body lateral rotation of described second movable pecten energy, specific as follows: between described second movable pecten and described second beam body, to be provided with the second fixed base plate, the end of described second movable pecten is provided with set bolt, this set bolt is arranged in and is arranged on circular hole on the second fixed base plate and extends to the second beam body inside and be fixed on described first fixed base plate by described second movable pecten, is fixed on the second beam body by described second fixed base plate simultaneously; Simultaneously described second movable pecten is also provided with rotating bolt, this rotating bolt is arranged in the mounting hole that is arranged on the second fixed base plate, is fixed on the second fixed base plate equally by nut.
Further, above-mentioned rotating bolt is also provided with a Compress Spring, and, this Compress Spring is to being located at described first fixed base plate or between described second fixed base plate and described nut, the transversion malposition of Compress Spring to each movable pecten moves and can play effective cushioning effect, and the elastic potential energy of Compress Spring accumulation contributes to each movable pecten and restores to the original state after earthquake.
Construct for ease of actual installation, described first movable pecten is single interdigitated electrode structure or many interdigitated electrode structures, equally, described second movable pecten is also single interdigitated electrode structure or many interdigitated electrode structures, namely according to actual needs, the comb of first, second movable pecten can be various ways, and the first movable pecten and the second movable pecten can carry out the combination of various ways to meet various different needs.
Interference is resisted mutually, the rounded ends respectively with arc of described first movable pecten and the second movable pecten when rotating for preventing the end of adjacent fingers plate.
Further, between the tip-clearance of first, second movable pecten described, fill elastic filling material, effectively can alleviate the rigid contact in the rotation process of each movable pecten end like this, extend the application life of each movable pecten.
For preventing dust and water droplet from falling under bridge expanssion joint between each comb, between first, second fixed head described, be provided with a dust-proof water-stopping band.
Compared with prior art, the invention has the advantages that: the first movable pecten and the second movable pecten are arranged on each self-corresponding beam body in the mode of the relative beam body lateral rotation of energy respectively, when there is transversion malposition displacement in such bridge beam body under earthquake state, can corresponding lateral rotation be there is in the movable pecten of bridge expansion joint installation between beam body or between movable pecten and movable pecten, to pecten and the rigid damage to whole bridge expansion joint installation when effectively can avoid earthquake displacement, improve the shock resistance of expansion gap device.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 Bridge expansion gap device;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 is the perspective view of embodiment 1 Bridge expansion gap device;
Fig. 4 is the second fixed base plate structural representation in Fig. 3;
Fig. 5 is the other direction structural representation of the second fixed base plate in Fig. 3;
Fig. 6 is the perspective view of embodiment 2 Bridge expansion gap device;
Second fixed base plate structural representation in Fig. 7 Fig. 6.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment 1:
As shown in Fig. 1 ~ 5, the bridge expansion joint installation of the antiseismic displacement in the present embodiment, comprise the first movable pecten 4 and the second movable pecten 5 be separately positioned on bridge expanssion joint 3 both sides first beam body 1 and the second beam body 2, first movable pecten 4 and the second movable pecten 5 are respectively provided with single comb 41 in respective opposite end, 51 also transpostion interval settings mutually, and the first movable pecten 4 is arranged on each self-corresponding beam body 1,2 in the mode of the relative beam body lateral rotation of energy with the second movable pecten 5.Particularly: between the first movable pecten 4 and the first beam body 1, be provided with the first fixed base plate 9, the end of the first movable pecten 4 is provided with set bolt 6, this set bolt 6 to be arranged in the circular hole be arranged on the first fixed base plate 9 13 and to extend to the first beam body 1 inside and be fixed on the first fixed base plate 9 by the first movable pecten 4, is fixed on the first beam body 1 by the first fixed base plate 9 simultaneously; The nearly comb place of the first movable pecten 4 is provided with rotating bolt 7, and this rotating bolt 7 is arranged in the mounting hole 12 that is arranged on the first fixed base plate 9, and is fixed on the first fixed base plate 9 by nut 72; The second fixed base plate 8 is provided with between second movable pecten 5 and the second beam body 2, the end of the second movable pecten 5 is provided with set bolt 6, this set bolt 6 to be arranged in the circular hole 13 be arranged on the second fixed base plate 8 and to extend to the second beam body 2 inside and be fixed on the first fixed base plate 9 by the second movable pecten 5, is fixed on the second beam body 2 by the second fixed base plate 8 simultaneously; Meanwhile, the comb 51 of the second movable pecten 5 is also provided with rotating bolt 7, this rotating bolt 7 is arranged in the mounting hole 12 that is arranged on the second fixed base plate 8, is fixed on the second fixed base plate 8 equally by nut 72.Above-mentioned rotating bolt 7 is provided with a Compress Spring 71, and, this Compress Spring 71 is to being located at the first fixed base plate 9 or between the second fixed base plate 8 and nut 72, Compress Spring 71 is to each movable pecten 4, the transversion malposition of 5 moves and can play effective cushioning effect, and the elastic potential energy that Compress Spring 71 is accumulated contributes to each movable pecten 4,5 restore to the original state after earthquake.Wherein, as shown in Figure 4 and Figure 5, waist-shaped hole 12 and circular hole 13 are uniformly laterally arranged at the two ends of the second fixed base plate 8 structure of the second fixed base plate 8, and waist-shaped hole 12 and circular hole 13 one_to_one corresponding, structure and second fixed base plate 8 of the first fixed base plate 9 are similar, no longer carry out illustrating and describing at this.
Interference is resisted mutually when rotating for preventing the end of adjacent pecten, the rounded ends respectively with arc of the first movable pecten 4 and the second movable pecten 5, further, at first, second movable pecten 4, elastic filling material 10 is filled between the tip-clearance of 5, as expanded material etc., the rigid contact of each movable pecten in rotation process effectively can be alleviated like this, the application life of prolongation activity pecten.Simultaneously for preventing dust and water droplet from falling under bridge expanssion joint 3 between each comb, at first, second fixed base plate 9, a dust-proof water-stopping band 11 is set between 8.
Embodiment 2:
As shown in Figure 6 and Figure 7, the difference of this bridge expansion joint installation and embodiment 1 is: the first movable pecten 4 and the second movable pecten 5 are many interdigitated electrode structures, particularly, the first movable pecten 4 and the second movable pecten 5 are all with 3 comb 41,51, and each movable pecten 4,3 comb 41,51 in 5 are evenly arranged, with relative movable pecten 4, comb 41,51 transpostion interval of 5.In embodiment 2, the structure of the second fixed base plate 8 as shown in Figure 7, one circular hole 13 is set in the middle part of one end of second fixed base plate 8, the other end evenly arranges 3 waist-shaped holes 12, correspond respectively to the rotating bolt 7 on the set bolt 6 of the second movable pecten 5 end in Fig. 6 and comb, structure and second fixed base plate 8 of the first fixed base plate 9 are similar, no longer carry out illustrating and describing at this.
Claims (7)
1. the bridge expansion joint installation of an antiseismic displacement, comprise and be separately positioned on the first movable pecten (4) on bridge expanssion joint (3) both sides first beam body (1) and the second beam body (2) and the second movable pecten (5), this first movable pecten (4) and the second movable pecten (5) are respectively arranged with comb (41 in respective opposite end, 51) and mutually transpostion interval is arranged, wherein said first movable pecten (4) makes the end of its comb (41) be positioned on the second beam body (2) across bridge expanssion joint (3), it is characterized in that: the first movable pecten (4) and the second movable pecten (5) are arranged on each self-corresponding beam body (1 in the mode of the relative beam body lateral rotation of energy respectively, 2) on,
The set-up mode of the relative beam body lateral rotation of described first movable pecten (4) energy, specific as follows: between described first movable pecten (4) and described first beam body (1), to be provided with the first fixed base plate (9), the end of described first movable pecten (4) is provided with set bolt (6), this set bolt (6) is arranged in and is arranged on circular hole (13) on the first fixed base plate (9) and extends to the first beam body (1) inside and be fixed on described first fixed base plate (9) by described first movable pecten (4), described first fixed base plate (9) is fixed on the first beam body (1) simultaneously, the nearly comb place of described first movable pecten (4) is provided with rotating bolt (7), this rotating bolt (7) is arranged in the mounting hole (12) that is arranged on the first fixed base plate (9), and is fixed on the first fixed base plate (9) by nut (72),
The set-up mode of the relative beam body lateral rotation of described second movable pecten (5) energy, specific as follows: between described second movable pecten (5) and described second beam body (2), to be provided with the second fixed base plate (8), the end of described second movable pecten (5) is provided with described set bolt (6), this set bolt (6) is arranged in and is arranged on circular hole (13) on the second fixed base plate (8) and extends to the second beam body (2) inside and be fixed on described second fixed base plate (8) by described second movable pecten (5), described second fixed base plate (8) is fixed on the second beam body (2) simultaneously, the comb (51) of simultaneously described second movable pecten (5) also arranges described rotating bolt (7), this rotating bolt is arranged in the mounting hole (12) that is arranged on the second fixed base plate (8), is fixed on described second fixed base plate (8) by described nut (72) equally.
2. the bridge expansion joint installation of antiseismic displacement according to claim 1, it is characterized in that: described rotating bolt (7) is also provided with a Compress Spring (71), further, this Compress Spring (71) is to being located between described first fixed base plate (9) and described nut (72).
3. the bridge expansion joint installation of antiseismic displacement according to claim 1, it is characterized in that: described rotating bolt (7) is also provided with a Compress Spring (71), further, this Compress Spring (71) is to being located between described second fixed base plate (8) and described nut (72).
4. the bridge expansion joint installation of the antiseismic displacement according to claim arbitrary in claims 1 to 3, it is characterized in that: described first movable pecten (4) is single interdigitated electrode structure or many interdigitated electrode structures, equally, described second movable pecten (5) is also single interdigitated electrode structure or many interdigitated electrode structures.
5. the bridge expansion joint installation of antiseismic displacement according to claim 4, is characterized in that: described first movable pecten (4) and the second movable pecten (5) have the rounded ends of arc respectively.
6. the bridge expansion joint installation of antiseismic displacement according to claim 5, is characterized in that: be filled with elastic filling material (10) between the tip-clearance of described first movable pecten (4) and the second movable pecten (5).
7. the bridge expansion joint installation of antiseismic displacement according to claim 6, is characterized in that: be provided with a dust-proof water-stopping band (11) between first, second fixed base plate described (9,8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310318260.9A CN103352423B (en) | 2013-07-24 | 2013-07-24 | A kind of bridge expansion joint installation of antiseismic displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310318260.9A CN103352423B (en) | 2013-07-24 | 2013-07-24 | A kind of bridge expansion joint installation of antiseismic displacement |
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| CN103352423A CN103352423A (en) | 2013-10-16 |
| CN103352423B true CN103352423B (en) | 2015-12-09 |
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| CN201310318260.9A Active CN103352423B (en) | 2013-07-24 | 2013-07-24 | A kind of bridge expansion joint installation of antiseismic displacement |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103730838A (en) * | 2013-11-25 | 2014-04-16 | 安徽鑫辰电气设备有限公司 | Sliding type power transformation cabinet bottom plate |
| CN104727219A (en) * | 2015-04-03 | 2015-06-24 | 衡水布朗科技有限公司 | Modularized multi-directional shifting comb-shaped bridge expansion device |
| CN107151973B (en) * | 2017-05-16 | 2019-10-18 | 同济大学 | Plane reeve formula anticollision limit comb teeth retractor device |
| CN108560411A (en) * | 2018-06-28 | 2018-09-21 | 衡水中铁建工程橡胶有限责任公司 | A kind of vibration and noise reducing bridge extension joint and its maintenance replacing options |
| CN111705641A (en) * | 2020-07-01 | 2020-09-25 | 西安华盾工程科技有限公司 | Bridge expansion device with horizontally-rotatable fixed end |
| CN112681124B (en) * | 2020-12-26 | 2022-07-01 | 朱锋 | Comb-tooth-shaped damping displacement bridge expansion device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3854159A (en) * | 1973-09-24 | 1974-12-17 | Acme Highway Prod | Composite expansion joint assembly |
| CN1162585C (en) * | 2002-07-24 | 2004-08-18 | 徐斌 | Comb-type expansion-contraction unit with very large displacement for bridge |
| CN100406650C (en) * | 2005-06-05 | 2008-07-30 | 徐斌 | Modular comb type expansion joint installation of girder capable of resisting super displacement |
| JP2007032057A (en) * | 2005-07-26 | 2007-02-08 | Concrete Fukugo Kozo Kenkyu Kiko:Kk | Expansion device of bridge joint section and joint method of bridge |
| CN201704619U (en) * | 2010-05-10 | 2011-01-12 | 吴国庆 | Multidirectional displacement bridge expansion device |
| CN202099738U (en) * | 2011-05-19 | 2012-01-04 | 成都市新筑路桥机械股份有限公司 | Large displacement multi-directional deflection comb tooth-type bridge expansion device |
| CN102808377A (en) * | 2012-08-17 | 2012-12-05 | 长安大学 | Comb plate type bridge expansion device with spatial multi-direction shift function for bridge expansion joint |
| CN203411892U (en) * | 2013-07-24 | 2014-01-29 | 宁波路宝科技实业集团有限公司 | Bridge expansion joint device capable of resisting earthquake displacement |
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Address after: 315000 96 Hibiscus Road, Ningbo high tech Zone, Zhejiang Patentee after: Ningbo Roaby Technology Industrial Group Co., Ltd. Address before: 315800 No. 205 Mount Huangshan West Road, Beilun District, Ningbo, Zhejiang. Patentee before: Ningbo Roaby Technology Industrial Group Co., Ltd. |
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