CN102561177A - Comb teeth type anti-deflection bridge expansion device - Google Patents
Comb teeth type anti-deflection bridge expansion device Download PDFInfo
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- CN102561177A CN102561177A CN2010105934762A CN201010593476A CN102561177A CN 102561177 A CN102561177 A CN 102561177A CN 2010105934762 A CN2010105934762 A CN 2010105934762A CN 201010593476 A CN201010593476 A CN 201010593476A CN 102561177 A CN102561177 A CN 102561177A
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- beam body
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- movable comb
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Abstract
The invention discloses a comb teeth type anti-deflection bridge expansion device, comprising a first girder body (1), a second girder body (2), a fixed comb-teeth plate (3) and a movable comb-teeth plate (5), wherein a girder gap is arranged between the first girder body (1) and the second girder body (2); a rotating base (6) is arranged on the first girder body (1); the end part of the movable comb-tooth plate (5) is connected to the rotating base (6); and a shearing spring (7) is connected between the middle part of the movable comb-tooth plate (5) and the girder body (1). The comb teeth type anti-deflection bridge expansion device has the advantages of simple structure, convenience for installation, maintenance and disassembly and good vibration isolation effect and solves the problems that a rubber floating plate vibration isolator is easy to age and short in service life.
Description
Technical field
The invention belongs to the bridge technology field, relate to a kind of anti-crawl agentdefiection concretely and become the interdigitated electrode structure bridge extension joint.
Background technology
Traditional comb plate stretching device can satisfy the beam body in elongation and the contraction of suitable bridge to direction; But in bridges such as cable stayed bridge, suspension bridge, arc beam bridge, especially when and when beam body stroke is between 160～480mm, the beam body except under car load and temperature effect, can take place vertically, the vertical deflection; Under other factors such as wind-force; Can occurred level the horizontal corner and the wrench deformation of direction, between the broach of traditional interdigitated electrode structure stretching device for rigidity contacts, under the lateral deformation effect; Broach wrecks easily, thereby causes the damage of whole stretching device.Simultaneously again because of in car load effect following time, certain upwarp and sink will appear in beam body generation deflection deformation, beam-ends, and traditional comb plate stretching device profile of tooth steel plate at this moment also will upwarp thereupon and sink, and so also can cause the damage of whole stretching device.
Summary of the invention
The purpose of this invention is to provide a kind of cheap, replacing convenience, can adapt to, prevented that the anti-crawl agentdefiection that broach fractures from becoming the interdigitated electrode structure bridge extension joint around degree and multi-direction displacement deformation situation.
Technical scheme of the present invention is following:
A kind of anti-crawl agentdefiection becomes the interdigitated electrode structure bridge extension joint; Comprise the first beam body, the second beam body, fixed fingers plate, movable comb plate, have the beam seam between the said first beam body and the second beam body, said fixed fingers plate is fixed on the said second beam body; Said movable comb plate one end is connected with the said first beam body; Other end overlap joint is on the said second beam body, and the comb teeth part of movable comb plate matches with the comb teeth part of said fixed fingers plate, and the said first beam body is provided with rotation seat; Said movable comb plate end is connected on the said rotation seat, is connected with shear spring between the middle part of said movable comb plate and the said beam body.
Under of the effect of beam body in car load; When producing deflection deformation, certain upwarp or sink will appear in the beam body, and this moment, movable comb plate was under the effect of rotation seat and shear spring; Rightabout motion will appear; Be that sinking or upwarping will appear in movable comb plate, thereby the bond end of guaranteeing movable comb plate remains the applying with the second beam body, the phenomenon of effectively avoiding jumping car takes place; Guarantee steady, comfortable the passing through of vehicle ability, and the application life of also having guaranteed whole stretching device.
Shear spring one end is fixed on the movable comb plate, when assembling, its movable comb plate is given certain pretightning force; The broach and the second beam body of movable comb plate are fit together closely; Even under the situation of the process that car load is arranged, shear spring can discharge certain pretightning force earlier like this, subsequently when movable comb plate rebounds; Shear spring gives one of which downward pulling force, can make so also the phenomenon of falling through can not occur between broach and the second beam body of movable comb plate.
Said rotation seat comprises dimple, protruding seat, and the formation spherical rotation cooperates between said dimple and the protruding seat.
Spherical rotation and the common adjustment that realizes movable comb plate of cooperating of shear spring.
Said dimple and protruding seat are structure as a whole through the rubber layer sulfuration.
Said shear spring comprises skeleton, and the rubber bodies of sulfuration on skeleton has connecting hole on the said skeleton, is connected with movable comb plate with the said first beam body respectively through this connecting hole.
Be fixed with junction plate on the said first beam body, said shear spring is connected with said junction plate.
Be equipped with corrosion resistant plate on the said second beam body.
Said fixed fingers plate is fixed through U-bolt, and this U-bolt is embedded in the said second beam body.
Beneficial effect: the present invention mainly through to the design of movable comb plate connected mode, satisfies deformation requirements through self-regulation, guarantees that vehicle can steady, comfortable passing through, and prevents that broach from fractureing to have guaranteed the application life of whole stretching device.
Description of drawings
The present invention will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 structural representation of the present invention;
Fig. 2 is the vertical view that movable comb plate cooperates with the fixed fingers plate among Fig. 1;
Fig. 3 is the structural representation of rotation seat;
Fig. 4 is the structural representation of shear spring;
Fig. 5 is the annexation figure of movable comb plate and rotation seat.
The specific embodiment
Like Fig. 1,2,3,4, shown in 5: a kind of anti-crawl agentdefiection becomes the interdigitated electrode structure bridge extension joint; Comprise the first beam body 1, the second beam body 2, fixed fingers plate 3, movable comb plate 5; Has the beam seam between the said first beam body 1 and the second beam body 2; Said fixed fingers plate 3 is fixed on the said second beam body 2, and said movable comb plate 5 one ends are connected with the said first beam body 1, and the other end overlaps on the said second beam body 2; And the comb teeth part of movable comb plate 5 matches with the comb teeth part of said fixed fingers plate 3; It is characterized in that: the said first beam body 1 is provided with rotation seat 6, and said movable comb plate 5 ends are connected on the said rotation seat 6, are connected with shear spring 7 between the middle part of said movable comb plate 5 and the said beam body 1.
Said rotation seat 6 comprises dimple 6a, protruding seat 6b, and the formation spherical rotation cooperates between said dimple 6a and the protruding seat 6b.
Said dimple 6a and protruding seat 6b are structure as a whole through rubber layer 6c sulfuration.
Said shear spring 7 comprises skeleton 7a, and the rubber bodies 7b of sulfuration on skeleton 7a has connecting hole 7c on the said skeleton 7a, is connected with movable comb plate 5 with the said first beam body 1 respectively through this connecting hole 7c.
Be fixed with junction plate 1a on the said first beam body 1, said shear spring 7 is connected with said junction plate 1a.
Be equipped with corrosion resistant plate 8 on the said second beam body 2.
Said fixed fingers plate 3 is fixing through U-bolt 9, and this U-bolt 9 is embedded in the said second beam body 2.
The present invention is the deficiency that overcomes traditional comb plate stretching device; The technical scheme that adopts is: the fixed fingers plate of this interdigitated electrode structure stretching device and movable comb plate are separately positioned on the two curb girder bodies of bridge expanssion joint; The mutual transpostion interval setting of the broach of movable end and the broach of fixed end, the broach of fixed fingers plate and movable comb plate places on the corrosion resistant plate, is convenient to broach and is better moving on direction along bridge; Simultaneously under corrosion resistant plate, also be provided with rubber pad, when car load is passed through.Can play certain cushioning effect to broach.Nut is fixed on the M20 U-bolt on the fixed fingers plate, and embedded bar 18 and concrete pouring are welded with the M20 U-bolt, thereby played the fixedly effect of fixed fingers plate together simultaneously.Reinforcing bar 12 welds together with embedded bar, and angle steel 10 welds together with reinforcing bar 12, and sealing joint strip 11 is fixed on the angle steel 10; Shear spring is fixed on the movable comb plate with bolt 8, when assembling, its movable comb plate is given certain pretightning force; The broach and the corrosion resistant plate of movable comb plate are fit together closely; Even under the situation of the process that car load is arranged, shear spring can discharge certain pretightning force earlier like this, subsequently when movable comb plate rebounds; Shear spring gives one of which downward pulling force, can make so also the phenomenon of falling through can not occur between broach and the corrosion resistant plate of movable comb plate.Fixedly journal stirrup 30 is welded in the connection, and shear spring is connected with fixing journal stirrup 30.Rotation seat is connected on the movable comb plate through bolt, and rotation seat is through being connected with the M20 U-bolt with nut simultaneously, and the M20 U-bolt welds with embedded bar again; Thereby reach the fixedly purpose of rotation seat, also let rotation seat and beam body form an integral body simultaneously, under of the effect of beam body in car load; When producing deflection deformation, certain upwarp or sink will appear in the beam body, and this moment, movable comb plate was under the effect of rotation seat and shear spring; Rightabout motion will appear; Be that sinking or upwarping will appear in movable comb plate, thereby guarantee to be close between the corrosion resistant plate on movable comb plate and the fixed fingers plate, effectively avoid jumping the phenomenon generation of car; Guarantee steady, comfortable the passing through of vehicle ability, and the application life of also having guaranteed whole stretching device.
Claims (7)
1. an anti-crawl agentdefiection becomes the interdigitated electrode structure bridge extension joint; Comprise the first beam body (1), the second beam body (2), fixed fingers plate (3), movable comb plate (5); Has the beam seam between the said first beam body (1) and the second beam body (2); Said fixed fingers plate (3) is fixed on the said second beam body (2), and said movable comb plate (5) one ends are connected with the said first beam body (1), and the other end overlaps on the said second beam body (2); And the comb teeth part of movable comb plate (5) matches with the comb teeth part of said fixed fingers plate (3); It is characterized in that: the said first beam body (1) is provided with rotation seat (6), and said movable comb plate (5) end is connected on the said rotation seat (6), is connected with shear spring (7) between the middle part of said movable comb plate (5) and the said beam body (1).
2. a kind of anti-crawl agentdefiection according to claim 1 becomes the interdigitated electrode structure bridge extension joint, it is characterized in that: said rotation seat (6) comprises dimple (6a), protruding seat (6b), and the formation spherical rotation cooperates between said dimple (6a) and the protruding seat (6b).
3. a kind of anti-crawl agentdefiection according to claim 1 becomes the interdigitated electrode structure bridge extension joint, it is characterized in that: said dimple (6a) is structure as a whole through rubber layer (6c) sulfuration with protruding seat (6b).
4. become the interdigitated electrode structure bridge extension joint according to claim 1,2 or 3 described a kind of anti-crawl agentdefiections; It is characterized in that: said shear spring (7) comprises skeleton (7a); The rubber bodies (7b) of sulfuration on skeleton (7a); Have connecting hole (7c) on the said skeleton (7a), be connected with movable comb plate (5) with the said first beam body (1) respectively through this connecting hole (7c).
5. a kind of anti-crawl agentdefiection according to claim 4 becomes the interdigitated electrode structure bridge extension joint, and it is characterized in that: be fixed with junction plate (1a) on the said first beam body (1), said shear spring (7) is connected with said junction plate (1a).
6. become the interdigitated electrode structure bridge extension joint according to claim 1,2 or 3 described a kind of anti-crawl agentdefiections, it is characterized in that: be equipped with corrosion resistant plate (8) on the said second beam body (2).
7. become the interdigitated electrode structure bridge extension joint according to claim 1,2 or 3 described a kind of anti-crawl agentdefiections, it is characterized in that: said fixed fingers plate (3) is fixing through U-bolt (9), and this U-bolt (9) is embedded in the said second beam body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105934762A CN102561177A (en) | 2010-12-17 | 2010-12-17 | Comb teeth type anti-deflection bridge expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105934762A CN102561177A (en) | 2010-12-17 | 2010-12-17 | Comb teeth type anti-deflection bridge expansion device |
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| Publication Number | Publication Date |
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| CN102561177A true CN102561177A (en) | 2012-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2010105934762A Pending CN102561177A (en) | 2010-12-17 | 2010-12-17 | Comb teeth type anti-deflection bridge expansion device |
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| CN (1) | CN102561177A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767135A (en) * | 2012-07-20 | 2012-11-07 | 武汉臣基工程科技有限公司 | Bridge expansion joint with multidirectional displacement function |
| CN102767136A (en) * | 2012-08-15 | 2012-11-07 | 上海汇城建筑装饰有限公司 | Anti-seismic small deformation expansion device of comb plate |
| CN102767137A (en) * | 2012-08-15 | 2012-11-07 | 上海汇城建筑装饰有限公司 | Anti-seismic large deformation expansion device of comb plate |
| 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 |
| CN110485285A (en) * | 2019-08-20 | 2019-11-22 | 宁波路宝科技实业集团有限公司 | A kind of multi-directional deflection bridge expansion joint installation |
| CN110485285B (en) * | 2019-08-20 | 2024-04-26 | 宁波路宝科技实业集团有限公司 | Multidirectional displacement bridge expansion joint device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2709511Y (en) * | 2004-06-04 | 2005-07-13 | 成都市新筑路桥机械股份有限公司 | Expansion device of superlarge displacement bridge |
| CN2769332Y (en) * | 2005-03-11 | 2006-04-05 | 李树奎 | Special reversal compressing support for bridge expansion apparatus |
| CN101392500A (en) * | 2008-10-30 | 2009-03-25 | 上海汇城建筑装饰有限公司 | Multiaspect displacement bridge retractor device |
| CN201428109Y (en) * | 2009-04-17 | 2010-03-24 | 吴国庆 | Multidirectional shift bridge expansion device |
| CN101782124A (en) * | 2009-01-21 | 2010-07-21 | 鞍山重型矿山机器股份有限公司 | Shear spring |
-
2010
- 2010-12-17 CN CN2010105934762A patent/CN102561177A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2709511Y (en) * | 2004-06-04 | 2005-07-13 | 成都市新筑路桥机械股份有限公司 | Expansion device of superlarge displacement bridge |
| CN2769332Y (en) * | 2005-03-11 | 2006-04-05 | 李树奎 | Special reversal compressing support for bridge expansion apparatus |
| CN101392500A (en) * | 2008-10-30 | 2009-03-25 | 上海汇城建筑装饰有限公司 | Multiaspect displacement bridge retractor device |
| CN101782124A (en) * | 2009-01-21 | 2010-07-21 | 鞍山重型矿山机器股份有限公司 | Shear spring |
| CN201428109Y (en) * | 2009-04-17 | 2010-03-24 | 吴国庆 | Multidirectional shift bridge expansion device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767135A (en) * | 2012-07-20 | 2012-11-07 | 武汉臣基工程科技有限公司 | Bridge expansion joint with multidirectional displacement function |
| CN102767135B (en) * | 2012-07-20 | 2014-06-25 | 武汉臣基工程科技有限公司 | Bridge expansion joint with multidirectional displacement function |
| CN102767136A (en) * | 2012-08-15 | 2012-11-07 | 上海汇城建筑装饰有限公司 | Anti-seismic small deformation expansion device of comb plate |
| CN102767137A (en) * | 2012-08-15 | 2012-11-07 | 上海汇城建筑装饰有限公司 | Anti-seismic large deformation expansion device of comb plate |
| CN102767137B (en) * | 2012-08-15 | 2014-09-03 | 上海汇城建筑装饰有限公司 | Anti-seismic large deformation expansion device of comb plate |
| CN102767136B (en) * | 2012-08-15 | 2014-09-03 | 上海汇城建筑装饰有限公司 | Anti-seismic small deformation expansion device of comb plate |
| 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 |
| CN110485285A (en) * | 2019-08-20 | 2019-11-22 | 宁波路宝科技实业集团有限公司 | A kind of multi-directional deflection bridge expansion joint installation |
| CN110485285B (en) * | 2019-08-20 | 2024-04-26 | 宁波路宝科技实业集团有限公司 | Multidirectional displacement bridge expansion joint device |
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Application publication date: 20120711 |