CN201942997U - Bending-deformation-resistance comb tooth type bridge telescopic device - Google Patents
Bending-deformation-resistance comb tooth type bridge telescopic device Download PDFInfo
- Publication number
- CN201942997U CN201942997U CN2010206649681U CN201020664968U CN201942997U CN 201942997 U CN201942997 U CN 201942997U CN 2010206649681 U CN2010206649681 U CN 2010206649681U CN 201020664968 U CN201020664968 U CN 201020664968U CN 201942997 U CN201942997 U CN 201942997U
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- beam body
- plate
- movable comb
- electrode structure
- comb plate
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Abstract
The utility model discloses a bending-deformation-resistance comb tooth type bridge telescopic device, which comprises a first beam body (1), a second beam body (2), a fixed comb tooth plate (3) and a movable comb tooth plate (5), wherein beam seams are formed between the first beam body (1) and the second beam body (2), a rotating seat (6) is arranged on the first beam body (1), the end part of the movable comb tooth plate (5) is connected onto a rotating seat (6), and a shearing spring (7) is connected between the middle part of the movable comb tooth plate (5) and the beam body (1). The bending-deformation-resistance comb tooth type bridge telescopic device has a simple structure and is convenient to install, maintain and dismount, the problems that a vibration isolator of a rubber floating plate in the prior art is easy to age and the service life is short are solved, and the vibration isolation effect is good.
Description
Technical field
The utility model belongs to the bridge technology field, relates to a kind of anti-crawl agentdefiection concretely and becomes 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, the horizontal corner and the wrench deformation of meeting occurred level direction, be the rigidity contact between the broach of traditional interdigitated electrode structure stretching device, 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.
The utility model content
The purpose of this utility model has provided a kind of cheap, replacing convenience, can adapt to winding degree and multi-direction displacement deformation situation, prevents that the anti-crawl agentdefiection that broach fractures from becoming the interdigitated electrode structure bridge extension joint.
The technical solution of the utility model is as follows:
A kind of anti-crawl agentdefiection becomes the interdigitated electrode structure bridge extension joint, comprise the first beam body, the second beam body, the fixed fingers plate, movable comb plate, has the beam seam between the described first beam body and the second beam body, described fixed fingers plate is fixed on the described second beam body, described movable comb plate one end is connected with the described first beam body, the other end is overlapped on the described second beam body, and the comb teeth part of movable comb plate matches with the comb teeth part of described fixed fingers plate, the described first beam body is provided with rotation seat, described movable comb plate end is connected on the described rotation seat, is connected with shear spring between the middle part of described movable comb plate and the described 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; 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 energy, 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 downward pulling force, can make so also the phenomenon of falling through can not occur between the broach of movable comb plate and the second beam body.
Described rotation seat comprises dimple, protruding seat, and the formation spherical rotation cooperates between described dimple and the protruding seat.
Spherical rotation and the common adjustment that realizes movable comb plate of cooperating of shear spring.
Described dimple and protruding seat are structure as a whole by the rubber layer sulfuration.
Described shear spring comprises skeleton, and the rubber bodies of sulfuration on skeleton has connecting hole on the described skeleton, is connected with movable comb plate with the described first beam body respectively by this connecting hole.
Be fixed with junction plate on the described first beam body, described shear spring is connected with described junction plate.
Be equipped with corrosion resistant plate on the described second beam body.
Described fixed fingers plate is fixed by U-bolt, and this U-bolt is embedded in the described second beam body.
Beneficial effect: the utility model mainly by to the design of movable comb plate connected mode, satisfies deformation requirements by self-regulation, guarantees that vehicle can steady, comfortable passing through, and prevents from that broach from fractureing to have guaranteed the application life of whole stretching device.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 structural representation of the present utility model;
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
As 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 described first beam body 1 and the second beam body 2, described fixed fingers plate 3 is fixed on the described second beam body 2, described movable comb plate 5 one ends are connected with the described first beam body 1, the other end is overlapped on the described second beam body 2, and the comb teeth part of movable comb plate 5 matches with the comb teeth part of described fixed fingers plate 3, it is characterized in that: the described first beam body 1 is provided with rotation seat 6, described movable comb plate 5 ends are connected on the described rotation seat 6, are connected with shear spring 7 between the middle part of described movable comb plate 5 and the described beam body 1.
Described rotation seat 6 comprises dimple 6a, protruding seat 6b, and the formation spherical rotation cooperates between described dimple 6a and the protruding seat 6b.
Described dimple 6a and protruding seat 6b are structure as a whole by rubber layer 6c sulfuration.
Described shear spring 7 comprises skeleton 7a, and the rubber bodies 7b of sulfuration on skeleton 7a has connecting hole 7c on the described skeleton 7a, is connected with movable comb plate 5 with the described first beam body 1 respectively by this connecting hole 7c.
Be fixed with junction plate 1a on the described first beam body 1, described shear spring 7 is connected with described junction plate 1a.
Be equipped with corrosion resistant plate 8 on the described second beam body 2.
Described fixed fingers plate 3 is fixing by U-bolt 9, and this U-bolt 9 is embedded in the described second beam body 2.
The utility model 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, being convenient to broach 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, angle steel 10 welds together with reinforcing bar 12, 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 like this under the situation of the process that car load is arranged, shear spring can discharge certain pretightning force earlier, when the bounce-back of movable comb plate, shear spring gives an one downward pulling force subsequently, can make so also the phenomenon of falling through can not occur between the broach of movable comb plate and the corrosion resistant 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 by bolt; rotation seat is by being connected with the M20 U-bolt with nut simultaneously; the M20 U-bolt welds with embedded bar again; thereby reach the fixedly purpose of rotation seat; simultaneously also allow rotation seat and beam body form an integral 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; 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 that vehicle can be steadily; comfortable passes through, and has also guaranteed the application life of 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 described first beam body (1) and the second beam body (2), described fixed fingers plate (3) is fixed on the described second beam body (2), described movable comb plate (5) one ends are connected with the described first beam body (1), the other end is overlapped on the described second beam body (2), and the comb teeth part of movable comb plate (5) matches with the comb teeth part of described fixed fingers plate (3), it is characterized in that: the described first beam body (1) is provided with rotation seat (6), described movable comb plate (5) end is connected on the described rotation seat (6), is connected with shear spring (7) between the middle part of described movable comb plate (5) and the described 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: described rotation seat (6) comprises dimple (6a), protruding seat (6b), and the formation spherical rotation cooperates between described 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: described dimple (6a) is structure as a whole by 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: described shear spring (7) comprises skeleton (7a), the rubber bodies (7b) of sulfuration on skeleton (7a), have connecting hole (7c) on the described skeleton (7a), be connected with movable comb plate (5) with the described first beam body (1) respectively by 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 described first beam body (1), described shear spring (7) is connected with described 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 described 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: described fixed fingers plate (3) is fixing by U-bolt (9), and this U-bolt (9) is embedded in the described second beam body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206649681U CN201942997U (en) | 2010-12-17 | 2010-12-17 | Bending-deformation-resistance comb tooth type bridge telescopic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206649681U CN201942997U (en) | 2010-12-17 | 2010-12-17 | Bending-deformation-resistance comb tooth type bridge telescopic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201942997U true CN201942997U (en) | 2011-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206649681U Expired - Fee Related CN201942997U (en) | 2010-12-17 | 2010-12-17 | Bending-deformation-resistance comb tooth type bridge telescopic device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201942997U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493337A (en) * | 2011-12-15 | 2012-06-13 | 宁波路宝科技实业集团有限公司 | Vibration damping and noise reduction type bridge expansion joint device |
| CN106522086A (en) * | 2016-12-07 | 2017-03-22 | 中交铁道(武汉)建设科技有限公司 | Multidirectional deflection bridge telescoping device |
| 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 |
-
2010
- 2010-12-17 CN CN2010206649681U patent/CN201942997U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493337A (en) * | 2011-12-15 | 2012-06-13 | 宁波路宝科技实业集团有限公司 | Vibration damping and noise reduction type bridge expansion joint device |
| CN106522086A (en) * | 2016-12-07 | 2017-03-22 | 中交铁道(武汉)建设科技有限公司 | Multidirectional deflection bridge telescoping device |
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20171217 |
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| CF01 | Termination of patent right due to non-payment of annual fee |