CN101725108A - Bridge expansion joint device with ability of vertical deflection - Google Patents
Bridge expansion joint device with ability of vertical deflection Download PDFInfo
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- CN101725108A CN101725108A CN200910157037A CN200910157037A CN101725108A CN 101725108 A CN101725108 A CN 101725108A CN 200910157037 A CN200910157037 A CN 200910157037A CN 200910157037 A CN200910157037 A CN 200910157037A CN 101725108 A CN101725108 A CN 101725108A
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- pit
- leg
- supporting base
- ability
- vertical deflection
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Abstract
The invention discloses a bridge expansion joint device with the ability of vertical deflection, comprising a transverse joint plate (3) over the bridge expansion joint. At least one downwardly-protruding support arm (32) is arranged at the bottom of the second end of the transverse joint plate (3); the tail end surface (32a) of each support arm (32) is an arc surface corresponding to each support arm (32); corresponding holders (4) are fixed on the bridge body; each holder (4) is provided with a pit (41) the bottom of which is matched with the tail end surface (32a) of the support arm (32); the pit (41) is slightly larger than the corresponding support arm (32); and the tail end of each support arm (32) is supported in the corresponding pit (41). Compared with the prior art, the invention ensures that the support arm at the bottom of the transverse joint plate can rotate freely in the pit of the holder along the second end of the transverse joint plate relative to the rotating direction of the bridge body during vertical corner deflection of the bridge body so that the surface of the transverse joint plate maintains smooth all the time for vehicles to pass successfully; besides, as the holder has a relatively small thickness, therey the invention is particularly suitable for the application environment with a thinner bridge deck pavement layer.
Description
Technical field
The present invention relates to the technical field of bridge expanssion joint, particularly a kind of bridge expansion joint installation with ability of vertical deflection.
Background technology
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.
In this solution, movable pecten bottom needs to be provided with and the consistent rotating shaft of movable pecten width, some axle beds need be fixed in the surface of beam body, for guaranteeing that axle bed countershaft 360 degree directions all have support force preferably, axle bed all need possess certain thickness up and down, and after installing, the surface of movable pecten need flush with the road surface, under the thin environment of the bridge deck pavement of beam surface, the axle bed of movable pecten bottom just can't reach the thickness that needs, thereby being implemented in this environment of this solution is very unsuitable.And the enforcement structure of this solution is comparatively complicated, and the installation coupling is also more exquisite.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of bridge expansion joint installation with ability of vertical deflection at above-mentioned prior art present situation, it is when the beam body generation vertical corner reciprocal of both sides, it is smooth that transverse joint plate still can keep, and it is simple in structure, with low cost, be particularly useful for the thin applied environment of bridge deck pavement.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: this has the bridge expansion joint installation of ability of vertical deflection, comprise across the transverse joint plate on bridge expanssion joint, the first beam body of relative bridge expanssion joint one side of second end of this transverse joint plate is fixed, first end of this transverse joint plate is positioned on the second beam body of bridge expanssion joint opposite side and can moves relative to this second beam body, it is characterized in that: the second bottom portion of described transverse joint plate is provided with at least one leg that protrudes downwards, the terminal surface of each leg is a cambered surface, and, corresponding each leg, be fixed with corresponding supporting base on the first beam body, each supporting base is provided with the pit of the slyness that bottom and the terminal surface of leg match, the size of pit is bigger slightly than corresponding leg, and the end of each leg just is supported in the pit of corresponding supporting base.
Described leg can be made into the shape of any appropriate, as long as its terminal surface is a cambered surface, thereby when beam body generation vertical corner reciprocal, leg can along second end of transverse joint plate relative to the rotation direction of the first beam surface thereupon in the pit at supporting base slick and sly the rotation get final product.
Preferably, described leg can be strip and along the width setting of transverse joint plate, the cross section of leg is back taper, and this leg can make second end of transverse joint plate obtain stronger support force.Generally, module unit transverse joint plate bottom can be provided with two such legs.
Correspondingly, described supporting base also is strip and along the width setting of transverse joint plate, the cross section of its pit also is back taper, during actual fabrication, the size of pit is bigger slightly than the outline of leg, there are a determining deviation in the inwall of pit and leg, make leg have certain inclination in pit and rotate leeway.The quantity of the supporting base that one module unit transverse joint plate bottom is provided with can be consistent with leg quantity, also a supporting base can only be set, and at this moment, the length of supporting base is wanted long enough and can be supported all legs.
Preferably, the two ends that described supporting base is positioned at pit can respectively be provided with a baffle plate, and when this baffle plate can prevent actual enforcement, the outer materials such as concrete of supporting base entered pit and hinder leg free movable in pit.
Preferably, described leg can be the shape of inverted cone, and like this, the terminal surface of leg is an arc surface, more approaches sphere and can slick and sly rotate.
Preferably, described leg can be cylindrical shape, and its terminal surface is a semi-sphere, is more conducive to the slyness of leg in pit like this and rotates.
Correspondingly, described supporting base can be the square shape, and surperficial central authorities have the pit of a back taper, and same, during actual fabrication, the size of pit is bigger slightly than the outline of leg, makes leg have certain inclination in pit and rotates leeway.The quantity of the supporting base that one module unit transverse joint plate bottom is provided with is consistent with the quantity of leg.
Can also be provided with soft corner pad between the surface of described supporting base and the bottom of transverse joint plate, when making the relative supporting base vertical corner of transverse joint plate, have certain elasticity leeway between transverse joint plate bottom and the supporting base, prevent the damage on supporting base surface.
Described supporting base can directly be fixed on the first beam surface when building, also can be fixing with the first beam body indirectly by parts such as U type dowels.
Compared with prior art, the invention has the advantages that: by the matching design of transverse joint plate bottom supports and supporting base, make the first beam body when vertically corner reciprocal taking place, the leg of transverse joint plate bottom can freely rotate in the pit at supporting base relative to the rotation direction of the first beam body along second end of transverse joint plate, promptly, vertical corner reciprocal is made in the supporting base and the first beam surface second end of leg and transverse joint plate relatively, and that the surface of transverse joint plate can keep all the time is smooth, guarantee that vehicle waltzs through the bridge expanssion joint surface, simultaneously, this bridge expansion joint structure is simple, and is with low cost, and, because only need being positioned at the supporting base of its below, leg provides 180 supporting forces of spending on the directions at the most, the supporting base general thickness is not very high, and so, the present invention just is specially adapted to the thin applied environment of bridge deck pavement.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention one.
Fig. 2 is the structural representation of movable pecten in the embodiment of the invention one.
Fig. 3 is the structural representation of supporting base in the embodiment of the invention one.
Fig. 4 is the structural representation of supporting base in the embodiment of the invention two.
Fig. 5 is the structural representation of the embodiment of the invention three.
Fig. 6 is the structural representation of movable pecten in the embodiment of the invention three.
Fig. 7 is the structural representation of supporting base in the embodiment of the invention three.
Fig. 8 is the partial cross sectional views of supporting base in the embodiment of the invention three.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Embodiment one:
As Fig. 1～shown in Figure 3, the bridge expansion joint installation that this has ability of vertical deflection comprises 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 movable pecten 3 on the first beam body 1 and is arranged on fixedly pecten 7 on the second beam body 1;
Wherein, the first beam body 1 of relative bridge expanssion joint one side of second end of described movable pecten 3 is fixing, first end of movable pecten 3 is positioned on the second beam body 2 of bridge expanssion joint opposite side across crossing bridge expanssion joint, and can move relative to this second beam body 2, this activity pecten 3 is transverse joint plate, first end of movable pecten 3 be provided with broach 31 and with fixedly each broach 71 mutual transpostion interval setting of pecten 7, movable pecten 3 and fixedly built layer of concrete 12 between the end of pecten 7 and the road surface 11 on the respective beam body;
The second bottom portion of described movable pecten 3 is provided with two legs 32 that protrude downwards, referring among Fig. 1 shown in the dotted line, each leg 32 is strip and along the width setting of movable pecten 3, the cross section of each leg 32 is back taper, and its terminal surface 32a is a cambered surface;
And, corresponding each leg 32, be fixed with two supporting bases 4 on the first beam body 1, each supporting base 4 also is strip and is arranged under the corresponding leg 32 along the width of movable pecten 3, each supporting base 4 is provided with the pit 41 of the slyness that bottom and the terminal surface 32a of leg 32 match, the cross section of pit 41 also is back taper, the size of pit 41 is bigger slightly than corresponding leg 32, the end of each leg 32 just is supported in the pit 41 of corresponding supporting base 4, so, when the beam body vertical when corner reciprocal takes place, the leg 32 of movable pecten 3 bottoms can freely rotate in the pit 41 at supporting base 4 relative to the rotation direction of the first beam body along second end of movable pecten 3, thereby makes movable pecten 3 surperficial maintenances smooth.
In addition, also be provided with soft corner pad 5 between the bottom of the surface of described supporting base 4 and movable pecten 3, movable pecten 3 takes place fixing by the equally distributed J type set bolt 6 and the first beam body 1, also be provided with holddown spring 61 between the head of this set bolt 6 and the movable pecten 3 so that the displacement of the movable pecten 3 relative first beam bodies 1 more freely, stable.
In the present embodiment, the two ends that each supporting base 4 is positioned at strip pit 41 respectively are provided with a baffle plate 42, and the top of the top of baffle plate 41 and supporting base 4 flushes;
Each supporting base 4 is pre-buried muscle 13 welding of the U type on being embedded in the first beam body 1 by two steel columns 43 that are arranged on its bottom, are embedded among the layer of concrete 12 afterwards again.
Embodiment two:
As shown in Figure 4, embodiments of the invention two are with the distinctive points of embodiment one: each supporting base 4 by the U type dowel 44 that is arranged on its bottom the relative first beam body 1 fixing.
Embodiment three:
As Fig. 5～shown in Figure 8, embodiments of the invention three are with the distinctive points of embodiment one: described leg 32 is the shape of inverted cone, and its terminal surface 32a is a cambered surface, referring among Fig. 5 shown in the dotted line;
And described supporting base 4 is the square shape, and surperficial central authorities have the pit 45 of a back taper.
Claims (9)
1. bridge expansion joint installation with ability of vertical deflection, comprise across the transverse joint plate on bridge expanssion joint (3), the first beam body (1) of relative bridge expanssion joint one side of second end of this transverse joint plate (3) is fixing, first end of this transverse joint plate (3) is positioned at the second beam body (2) of bridge expanssion joint opposite side and goes up and can move relative to this second beam body (2), it is characterized in that: the second bottom portion of described transverse joint plate (3) is provided with at least one leg (32) that protrudes downwards, the terminal surface (32a) of each leg (32) is a cambered surface, and, corresponding each leg (32), be fixed with corresponding supporting base (4) on the first beam body (1), each supporting base (4) is provided with the pit (41) of the slyness that bottom and the terminal surface (32a) of leg (32) match, the size of pit (41) is bigger slightly than corresponding leg (32), and the end of each leg (32) just is supported in the pit (41) of corresponding supporting base (4).
2. the bridge expansion joint installation with ability of vertical deflection according to claim 1 is characterized in that: described leg (32) is strip and along the width setting of transverse joint plate (3), the cross section of leg (32) is back taper.
3. the bridge expansion joint installation with ability of vertical deflection according to claim 2 is characterized in that: described supporting base (4) also is strip and along the width setting of transverse joint plate (3), the cross section of its pit (41) also is back taper.
4. the bridge expansion joint installation with ability of vertical deflection according to claim 3 is characterized in that: the two ends that described supporting base (4) is positioned at pit (41) respectively are provided with a baffle plate (42).
5. the bridge expansion joint installation with ability of vertical deflection according to claim 1 is characterized in that: described leg (32) is the shape of inverted cone.
6. the bridge expansion joint installation with ability of vertical deflection according to claim 5 is characterized in that: described supporting base (4) is the square shape, and surperficial central authorities have the pit (41) of a back taper.
7. the bridge expansion joint installation with ability of vertical deflection according to claim 1 is characterized in that: described leg (32) is cylindrical shape, and its terminal surface (32a) is a semi-sphere.
8. the bridge expansion joint installation with ability of vertical deflection according to claim 7 is characterized in that: described supporting base (4) is the square shape, and surperficial central authorities have the pit (41) of a back taper.
9. according to the described bridge expansion joint installation of arbitrary claim in the claim 1 to 8, it is characterized in that: also be provided with soft corner pad (5) between the bottom of the surface of described supporting base (4) and transverse joint plate (3) with ability of vertical deflection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910157037A CN101725108A (en) | 2009-12-31 | 2009-12-31 | Bridge expansion joint device with ability of vertical deflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910157037A CN101725108A (en) | 2009-12-31 | 2009-12-31 | Bridge expansion joint device with ability of vertical deflection |
Publications (1)
| Publication Number | Publication Date |
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| CN101725108A true CN101725108A (en) | 2010-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910157037A Pending CN101725108A (en) | 2009-12-31 | 2009-12-31 | Bridge expansion joint device with ability of vertical deflection |
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| CN (1) | CN101725108A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277829A (en) * | 2011-05-16 | 2011-12-14 | 西安中交土木科技有限公司 | Module broach plate type multi-directional shift bridge expandable device and installation method thereof |
| CN105463987A (en) * | 2015-12-30 | 2016-04-06 | 中铁第四勘察设计院集团有限公司 | Modularized, large-corner and multi-way displacement extension device and bridge |
| CN105510020A (en) * | 2016-01-20 | 2016-04-20 | 宁波大学 | Variable-width bridge expansion joint test platform and construction method thereof |
| CN109072572B (en) * | 2016-03-29 | 2020-11-17 | 毛雷尔工程有限公司 | Transition structure for bridging building gap |
| CN114263104A (en) * | 2022-01-18 | 2022-04-01 | 西安茜草工程技术有限公司 | Bridge expansion joint device |
| CN115646773A (en) * | 2022-10-25 | 2023-01-31 | 东杰智能科技集团股份有限公司 | Telescopic overhead spraying line hanger rail in drying furnace and construction method thereof |
-
2009
- 2009-12-31 CN CN200910157037A patent/CN101725108A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102277829A (en) * | 2011-05-16 | 2011-12-14 | 西安中交土木科技有限公司 | Module broach plate type multi-directional shift bridge expandable device and installation method thereof |
| CN105463987A (en) * | 2015-12-30 | 2016-04-06 | 中铁第四勘察设计院集团有限公司 | Modularized, large-corner and multi-way displacement extension device and bridge |
| CN105463987B (en) * | 2015-12-30 | 2017-11-28 | 中铁第四勘察设计院集团有限公司 | Modularization, big corner, multi-directional deflection retractor device and bridge |
| CN105510020A (en) * | 2016-01-20 | 2016-04-20 | 宁波大学 | Variable-width bridge expansion joint test platform and construction method thereof |
| CN105510020B (en) * | 2016-01-20 | 2017-09-29 | 宁波大学 | A kind of variable-width bridge expanssion joint test platform and its construction method |
| CN109072572B (en) * | 2016-03-29 | 2020-11-17 | 毛雷尔工程有限公司 | Transition structure for bridging building gap |
| CN114263104A (en) * | 2022-01-18 | 2022-04-01 | 西安茜草工程技术有限公司 | Bridge expansion joint device |
| CN114263104B (en) * | 2022-01-18 | 2024-06-14 | 西安茜草工程技术有限公司 | Bridge expansion joint device |
| CN115646773A (en) * | 2022-10-25 | 2023-01-31 | 东杰智能科技集团股份有限公司 | Telescopic overhead spraying line hanger rail in drying furnace and construction method thereof |
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Open date: 20100609 |