CN101451342B - Bridge expansion joint device preventing extra large vertical rotation angle displacement - Google Patents
Bridge expansion joint device preventing extra large vertical rotation angle displacement Download PDFInfo
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- CN101451342B CN101451342B CN2008101635779A CN200810163577A CN101451342B CN 101451342 B CN101451342 B CN 101451342B CN 2008101635779 A CN2008101635779 A CN 2008101635779A CN 200810163577 A CN200810163577 A CN 200810163577A CN 101451342 B CN101451342 B CN 101451342B
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Abstract
The invention discloses a bridge expansion joint device for resisting dislocation of an extra large vertical corner, which comprises a first beam body, a second beam body, and a first movable comb-like plate and a second movable comb-like plate. The ends of the first movable comb-like plate and the second movable comb-like plate are provided with comb teeth which are mutually intersected and arranged at intervals. The comb teeth of the first movable comb-like plate and the second movable comb-like plate span the whole bridge expansion joint. Meanwhile, gaps are reserved between the bottoms of the first movable comb-like plate and the second movable comb-like plate and the beam bodies. A slide block is arranged at the bottom of the end of each comb tooth on the first movable comb-like plate and the second movable comb-like plate, and the roots of the first movable comb-like plate and the second movable comb-like plate are rotatably arranged above corresponding beam bodies. When the two beam bodies have vertical corner dislocation, end warping or sinking due to an external force such as loading, the movable comb-like plate on each beam body can rotate correspondingly to the beam body, and each comb tooth is adjusted correspondingly and smoothly, so that each movable comb-like plate keeps smooth, the whole expansion joint device is prevented from being damaged and ensures smooth and safe passing of each vehicle.
Description
Technical field
The present invention relates to a kind of field, shrinkage joint of bridge, particularly a kind of stroke is at the bridge expansion joint installation of the preventing extra large vertical rotation angle displacement more than 300 millimeters.
Background technology
Existing bridge expansion joint installation is applicable to that the beam body adopts on the combined bridge engineering of steel case beam and concrete beam or employing concrete beam and concrete beam more.But, along with the continuous development of bridge construction technology, stride the footpath greatly, super large is striden the steel case beam suspension cable in footpath and tiltedly drawn combined bridge more and more to be praised highly, and existing bridge expansion joint installation can not well be suitable for wherein.
In existing bridge expansion joint installation, adopting fixedly, the comb type stretching device of pecten and the cooperation of movable pecten is a kind of preferably, especially use stroke in the super-huge bridge expanssion joint more than 300 millimeters, the patent No. that formerly proposes as me is that the Chinese invention patent " a kind of especially big anti-flexible comb type bridge expansion joint installation " of ZL200410049491.5 (notification number is CN1333137C) is exactly like this, this bridge expansion joint installation comprises fixedly pecten and the movable pecten that is separately positioned on the bridge expanssion joint two curb girder bodies, wherein, first end of movable pecten be provided with broach and with the fixedly mutual transpostion interval setting of each broach of pecten, the second bottom portion of movable pecten is provided with rotating shaft, and the two ends of this rotating shaft are articulated on the axle bed of directly or indirectly fixing with the beam body.Because its stretching motion finished by movable pecten, does not have vertical transition gap, and connect into an integral body, so shockproof properties is good with bridge floor, road surface, vehicle ' is steady, comfortable, has avoided jumping car phenomenon effectively, make vehicle smooth-going, cosily cross; Simultaneously, second end of movable pecten is designed to and can rotates, make produce deflection deformation at the beam body, beam-ends upwarps or when sinking, to rotate between movable pecten and the beam body, thereby make expansion gap device have the effect that anti-crawl agentdefiection becomes, and make movable pecten keep smooth attitude, and avoid whole expansion gap device therefore to cause damage, the smooth-going safety of assurance vehicle is passed through.
Existing bridge expansion joint installation, have only the body of its movable pecten to cross over zone, shrinkage joint between the beam body, fixedly the pecten body with and broach all be (also therefore it being referred to as " fixedly pecten ") that is fixed on the beam surface and is not moved or rotates relative to the beam body, the broach of movable pecten and fixedly the broach of pecten be to be close on that beam body at fixing pecten place, existing this bridge expansion joint installation in actual applications, fixedly that beam body at pecten place generally is the concrete beam that can not produce big vertical deflection.
But, if the beam body that existing this bridge expansion joint installation is applied directly to both sides all adopts steel case beam or has among the bridge of other type of big vertical deflection, and the beam body is under the vehicular load effect, can produce deflection deformation, beam-ends upwarps or sinks, vertical corner reciprocal takes place, at this moment, because the broach of movable pecten, fixedly the body of pecten with and broach be close on the beam surface, the relative beam body of the terminal meeting of the broach of movable pecten upwarps and conflicts with the beam surface, if meet vehicle weight this moment again, will cause the damage of whole expansion gap device, the safety that has a strong impact on vehicle is passed through.Therefore, for the beam body of both sides the bridge of big vertical deflection is arranged all, existing bridge expansion joint installation all can not well be suitable for.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of beam body in both sides still can keep the bridge expansion joint installation of smooth preventing extra large vertical rotation angle displacement when being subjected under the external force effect such as load vertical corner reciprocal to take place at above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the bridge expansion joint installation of this preventing extra large vertical rotation angle displacement, include and be positioned at first of bridge expanssion joint both sides, the second two beam bodies and be arranged on the first movable pecten on the first beam body, first end of this first movable pecten is provided with broach, it is characterized in that: on the described second beam body, be provided with the second movable pecten, first end of this second movable pecten has the mutual transpostion interval setting of each broach of broach and the described first movable pecten equally, and, both broach all are positioned on another relative curb girder body end across crossing whole bridge expanssion joint, simultaneously, described first, leave spacing between the bottom of the second movable pecten and the corresponding beam body, described first, each broach end bottom on the second movable pecten is provided with and the contacted slide block in corresponding beam surface, and described first, the root of the second movable pecten then is arranged on the corresponding beam body in rotating mode;
The root of described first, second movable pecten is fixing with corresponding beam body generation by the bolt that evenly is provided with, and, also be provided with a holddown spring between the top of each bolt and the inwall of respective bolt holes.
Described slide block can be the block of ganoid arbitrary shape, but for the end that makes described each broach upwarp at beam body relatively, when sinking, can reduce friction with corresponding beam surface, thereby reduce conflict power between broach end and the beam body, described slide block can be made curved in the both sides, front and back that broach is provided with on the direction, like this, the slide block both sides have slick and sly transition part, make that the deflection of the relative beam body of broach is more suitable sliding.
And described first, the second movable pecten root rotating set-up mode on corresponding beam body can adopt existing various technology, but for making device simpler, the practice of construction of being more convenient for is installed, can be in the following way: described first, the second bottom portion of the second movable pecten is provided with rotating shaft, the two ends of this rotating shaft are articulated on the axle bed of directly or indirectly fixing with corresponding beam body, described axle bed is by the last axle bed that respectively has semi-cylindrical recesses, following axle bed involutes, and axle bed links together by the bolt group after rotating shaft installs with following axle bed on this.
The rotating shaft of described first, second movable pecten bottom can be an independent workpiece is fixed on corresponding movable pecten second end by welding or other fixed forms bottom, also can be under the permission of manufacturing process, with first, second movable pecten be integrally manufactured; Described axle bed has two at least, lay respectively at the two ends of rotating shaft, but in order to play supporting role better, position at corresponding rotating shaft middle part also can be provided with one or more axle bed, the axis hole of this axle bed is promptly run through at the rotating shaft middle part, and second end of first, second movable pecten then has breach to hold axle bed in the relevant position.
For making movable pecten when the beam body rotates relatively, can be spacing preferably on the beam body of correspondence, the root of described first, second movable pecten can be fixing with corresponding beam body generation by the bolt that evenly is provided with, and, also be provided with a holddown spring between the top of each bolt and the inwall of respective bolt holes, make movable pecten have certain activity space by holddown spring.
For preventing when the rotational deformation, the root of first, second movable pecten and bridge deck pavement take place to conflict and damage bridge deck pavement, can be respectively arranged with crashproof baffle plate between the bridge deck pavement on the root of described first, second movable pecten and the corresponding beam body;
For further strengthening crashproof dynamics, protect bridge deck pavement, that side relative with movable pecten that is positioned at crashproof baffle plate on described first, second beam body can also be provided with crashproof stiffened panel.
Since be positioned on the bridge expanssion joint be across the broach of first, second movable pecten, fall under the bridge expanssion joint between each broach for preventing dust and water droplet, can be provided with a dustproof waterstop between described first, second beam body.
Compared with prior art, the invention has the advantages that: by---matching model of movable pecten is designed to movable pecten---matching model of movable pecten original fixedly pecten, make the pecten on the bridge expanssion joint two curb girder bodies all adopt the movable pecten of beam body activity relatively, and the root of each movable pecten all relatively the beam body rotate; And the slide block of each broach bottom of movable pecten, make two movable pectens when stretching and rotating, each broach can both move or do adaptive corner reciprocal reposefully on the beam surface, and assurance broach bottom does not contact with the beam surface, thereby stopped the broach end because of rupturing with the conflict of beam surface, guarantee vehicle steadily passing through on expansion gap device, wherein, the height of slide block is that the spacing of broach bottom surface and beam surface is that size according to vertical corner reciprocal decides; So, when two beam bodies of both sides, shrinkage joint because of being subjected to that vertical corner reciprocal takes place down in external force effects such as load, beam-ends upwarps or when sinking, all the beam body rotates movable pecten on each beam body relatively, each broach all can do corresponding adjustment smoothly, thereby make each movable pecten can both keep smooth attitude, avoid whole expansion gap device therefore to cause damage, the smooth-going safety of assurance vehicle is passed through.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is for removing the structural representation behind the second movable pecten among Fig. 1.
Fig. 4 is the structural representation of the first movable pecten in the embodiment of the invention.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 4, be the embodiment that first, second beam body that is applied to the bridge expanssion joint both sides all adopts steel case beam, the bridge expansion joint installation of this preventing extra large vertical rotation angle displacement includes the first beam body 1 and the second beam body 2 that are positioned at the bridge expanssion joint both sides, is arranged on the first movable pecten 3 on the first beam body 1 and is arranged on and be provided with the second movable pecten 4 on the second beam body 2;
Wherein, first end of this first movable pecten 3 is provided with broach 31, first end of this second movable pecten 4 has each broach 31 mutual transpostion interval setting of the broach 41 and the described first movable pecten 3 equally, and both broach 31,41 all are positioned on that beam body of relative opposite side end across crossing whole bridge expanssion joint;
Simultaneously, between the bottom of the described first movable pecten 3 and the first beam body 1, leave spacing between the bottom of the second movable pecten 4 and the second beam body 2, the root of described first, second movable pecten 3,4 then is arranged on the corresponding beam body in rotating mode, and each the broach 41 terminal bottom on each broach 31 on the described first movable pecten 3 and the second movable pecten 4 all are provided with and the contacted slide block 5 in corresponding beam surface, and this slide block 5 is curved in the both sides, front and back that broach is provided with on the direction;
The root of described first movable pecten 3, the second movable pecten 4 is fixing with corresponding beam body generation by the bolt 92 that evenly is provided with, and, also be provided with a holddown spring 93 between the top of each bolt 92 and the inwall of respective bolt holes;
Rotating setting is in the following way on corresponding beam body for described first, second movable pecten 3,4 roots: the second bottom portion of described first movable pecten 3, the second movable pecten 4 is provided with rotating shaft 6, the two ends of this rotating shaft 6 are articulated on the axle bed of fixing with corresponding beam body 7, described axle bed 7 by the last axle bed 71 that respectively has semi-cylindrical recesses, down axle bed 72 involute and, axle bed 71 and following axle bed 72 connect by bolt group 91 this on;
In the present embodiment, position at the described rotating shaft of correspondence 6 middle parts also is provided with axle bed 7, the axis hole of this axle bed 7 is promptly run through at rotating shaft 6 middle parts, and it also is like this in the relevant position with second end that holds axle bed 7, the second movable pectens 4 that second end of the first movable pecten 3 then has breach 32;
In addition, also be respectively arranged with a crashproof baffle plate 81 between the bridge deck pavement 11 on the root of described first, second movable pecten 3,4 and the corresponding beam body; That side relative with corresponding movable pecten that is positioned at crashproof baffle plate 81 on each beam body also is provided with crashproof stiffened panel 82; And, also be provided with a dustproof waterstop 12 between first, second beam body 1,2.
Claims (7)
1. the bridge expansion joint installation of a preventing extra large vertical rotation angle displacement, include and be positioned at first of bridge expanssion joint both sides, the second two beam bodies (1,2) and be arranged on the first movable pecten (3) on the first beam body (1), first end of this first movable pecten (3) is provided with broach (31), it is characterized in that: on the described second beam body (2), be provided with the second movable pecten (4), first end of this second movable pecten (4) has broach (41) and the mutual transpostion interval setting of each broach (31) of the described first movable pecten (3) equally, and, both broach (31,41) all end is positioned on another relative curb girder body across crossing whole bridge expanssion joint, simultaneously, described first, the second movable pecten (3,4) leave spacing between bottom and the corresponding beam body, described first, the second movable pecten (3,4) each broach (31 on, 41) terminal bottom is provided with and the contacted slide block in corresponding beam surface (5), and described first, the second movable pecten (3,4) root then is arranged on the corresponding beam body in rotating mode;
The root of described first, second movable pecten (3,4) is fixing with corresponding beam body generation by the bolt (92) that evenly is provided with, and, also be provided with a holddown spring (93) between the top of each bolt (92) and the inwall of respective bolt holes.
2. the bridge expansion joint installation of preventing extra large vertical rotation angle displacement according to claim 1, it is characterized in that: described slide block (5) is curved in the both sides, front and back that broach is provided with on the direction.
3. the bridge expansion joint installation of preventing extra large vertical rotation angle displacement according to claim 1 and 2, it is characterized in that described first, the second movable pecten (3,4) rotating setting is in the following way on corresponding beam body for root: described first, the second movable pecten (3,4) the second bottom portion is provided with rotating shaft (6), the two ends of this rotating shaft (6) are articulated on the axle bed of directly or indirectly fixing with corresponding beam body (7), described axle bed (7) is by the last axle bed (71) that respectively has semi-cylindrical recesses, following axle bed (72) involutes, and axle bed on this (71) links together by bolt group (91) with following axle bed (72).
4. the bridge expansion joint installation of preventing extra large vertical rotation angle displacement according to claim 3, it is characterized in that: the position at the described rotating shaft of correspondence (6) middle part also is provided with axle bed (7), the axis hole of this axle bed (7) is promptly run through at rotating shaft (6) middle part, and second end of first, second movable pecten (3,4) then has breach to hold axle bed (7) in the relevant position.
5. the bridge expansion joint installation of preventing extra large vertical rotation angle displacement according to claim 1 and 2 is characterized in that: also be respectively arranged with a crashproof baffle plate (81) between the bridge deck pavement (11) on the root of described first, second movable pecten (3,4) and the corresponding beam body.
6. the bridge expansion joint installation of preventing extra large vertical rotation angle displacement according to claim 5, it is characterized in that: that side relative with movable pecten that is positioned at crashproof baffle plate (81) on described first, second beam body also is provided with crashproof stiffened panel (82).
7. the bridge expansion joint installation of preventing extra large vertical rotation angle displacement according to claim 1 and 2 is characterized in that: also be provided with a dustproof waterstop (12) between described first, second beam body (1,2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101635779A CN101451342B (en) | 2008-12-24 | 2008-12-24 | Bridge expansion joint device preventing extra large vertical rotation angle displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101635779A CN101451342B (en) | 2008-12-24 | 2008-12-24 | Bridge expansion joint device preventing extra large vertical rotation angle displacement |
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| Publication Number | Publication Date |
|---|---|
| CN101451342A CN101451342A (en) | 2009-06-10 |
| CN101451342B true CN101451342B (en) | 2010-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101635779A Active CN101451342B (en) | 2008-12-24 | 2008-12-24 | Bridge expansion joint device preventing extra large vertical rotation angle displacement |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296531B (en) * | 2011-05-19 | 2013-10-30 | 成都市新筑路桥机械股份有限公司 | Large-displacement comb-type bridge expansion device with capability of multidirectional dislocation |
| CN103882806B (en) * | 2014-04-14 | 2015-11-18 | 长沙理工大学 | A kind of modularization three-dimensional regulates steel comb plate, comb joint stretching device and mounting method thereof |
| CN104018425B (en) * | 2014-06-24 | 2016-10-26 | 宁波路宝科技实业集团有限公司 | A kind of quick-replaceable bridge expansion joint installation and installation method thereof |
| CN105951590A (en) * | 2016-07-01 | 2016-09-21 | 合肥国本桥梁特种构件有限公司 | Comb type bridge expansion and contraction device |
| CN106891433B (en) * | 2017-03-02 | 2019-09-03 | 上海建工材料工程有限公司 | A kind of Precast Concrete Box Girder comb board fixer |
| CN107687126A (en) * | 2017-09-29 | 2018-02-13 | 衡水旗舰桥隧橡塑有限公司 | The construction method of shallow embedding formula Multidirectional displacement bridge expansion device and bridge extension joint |
| CN108560412A (en) * | 2018-07-02 | 2018-09-21 | 衡水双盛工程橡胶有限公司 | A kind of modular big corner damping shock absorption Multidirectional displacement bridge expansion device |
| CN110241719B (en) * | 2019-07-25 | 2024-06-25 | 郑州东辰科技有限公司 | Comb-tooth type telescopic device and telescopic member |
| CN111705638B (en) * | 2020-05-21 | 2024-07-30 | 浙江立信建设集团有限公司 | Municipal bridge expansion joint |
| CN111809514A (en) * | 2020-07-31 | 2020-10-23 | 成都市长大路桥科技有限公司 | Riding type comb plate expansion device |
| CN113235416B (en) * | 2021-06-02 | 2022-12-20 | 广州市第三市政工程有限公司 | Miscellaneous-clamping-preventing multiple water stopping device for expansion joint of bridge and implementation method thereof |
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2008
- 2008-12-24 CN CN2008101635779A patent/CN101451342B/en active Active
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Address after: 315000 Ningbo high tech Industrial Group Co., Ltd., 96 Hibiscus Road, Ningbo High-tech Zone, Zhejiang Patentee after: Xu Bin Address before: 315800 Ningbo road Bao Technology Industrial Group Co., Ltd. 205 Mount Huangshan West Road, Beilun District, Ningbo, Zhejiang Patentee before: Xu Bin |