CN202359496U - Vibration-attenuation noise-reduction type bridge expansion joint device - Google Patents
Vibration-attenuation noise-reduction type bridge expansion joint device Download PDFInfo
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- CN202359496U CN202359496U CN2011205239059U CN201120523905U CN202359496U CN 202359496 U CN202359496 U CN 202359496U CN 2011205239059 U CN2011205239059 U CN 2011205239059U CN 201120523905 U CN201120523905 U CN 201120523905U CN 202359496 U CN202359496 U CN 202359496U
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- beam body
- transverse joint
- expansion joint
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Abstract
The utility model relates to a vibration-attenuation noise-reduction type bridge expansion joint device which comprises a first beam (1), a second beam (2), a transverse joint plate (3) and a fixed comb plate (4). The first end of the transverse joint plate (3) is fixed on the first beam (1), and the second end is located on the second beam (2) and can move relative to the second beam (2); the second end of the transverse joint plate (3) is provided with comb teeth (31); the first end of the fixed comb plate (4) is also provided with comb teeth (41); the comb teeth (41) of the fixed comb plate (4) and the comb teeth (31) of the transverse joint plate (3) are arranged crosswise at internals; a stainless steel slide (5), a damping vibration-attenuation pad (6) and an elastic adhesive material layer (7) are arranged between the bottom of the fixed comb plate (4) and the surface of the second beam (2) from top to bottom. Compared with the prior art, the utility model has the advantages that the damping vibration-attenuation pad and the elastic adhesive material layer are combined together so that the vibration of the comb plate arranged above the damping vibration-attenuation pad and the elastic adhesive material layer can be damped effectively, the noise generated by the comb plate can be absorbed effectively and the generation and the diffusion of the noise of the expansion joint device can be reduced, and the expansion joint device is environment friendly.
Description
Technical field
The utility model relates to the technical field of bridge expanssion joint, particularly a kind of vibration and noise reducing type bridge expansion joint installation.
Background technology
Along with the fast development of economy, communications and transportation cause, the load and the magnitude of traffic flow of vehicle increase gradually, and the traffic noise problems of being brought by vehicular traffic such as bridge vibration become increasingly conspicuous.The harm of noise is many-sided; It can influence people's talk, thinking and sleep, makes that the people is irritated, slow in reacting, operating efficiency reduces, and disperses people's notice; Gently then cause operating irregularity, heavy then the health of people's hearing, vision and other aspect is suffered damage.Special in the modern city of means of transportation highly dense; Human residential space and road traffic facility are closely adjacent; The growth of the magnitude of traffic flow makes traffic nuisance obviously outstanding, and traffic noise is as one of main traffic nuisance, and the living environment to the townsfolk causes severe contamination.A main source of traffic noise is the disturbance that vibration that bridge vibration and vehicle produce when crossing bridge expanssion joint causes near the air draught body structure surface; This type of noise frequency is mainly below 100Hz; Belong to low-frequency noise, wherein the influence with the noise on human body in the 5-50Hz scope is bigger.
The bridge vibration radiation traffic noise pollution problem that is caused by driving is remarkable day by day, directly has influence on people's life.Therefore, how to handle transport development and human settlement the protection relation become the new problem that the Bridges in Our Country construction faces.Vibration in the time of effectively reducing vehicle through bridge expanssion joint, minimizing noise take place, and the harm that reduces people's life and health has important practical significance.
The utility model content
The utility model technical problem to be solved is to above-mentioned prior art present situation a kind of vibration and noise reducing type bridge expansion joint installation to be provided; Damping was carried out in the vibration of pecten when it can effectively be directed against vehicle through bridge expanssion joint; Absorb the noise that pecten produces effectively; Thereby reduce generation, the diffusion of expansion gap device noise, environmental protection more.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: this vibration and noise reducing type bridge expansion joint installation; Comprise first, second two beam bodies of being positioned at bridge seam both sides, be arranged on the transverse joint plate on the first beam body and be arranged on the fixedly pecten on the second beam body; Wherein, First end of this transverse joint plate is positioned at bridge through set bolt and stitches on the first beam body of a side, and second end is positioned on the second beam body of bridge seam opposite side and can moves relative to this second beam body, and second end of transverse joint plate has broach; Fixedly first end of pecten have too broach and with transverse joint plate on the mutual transpostion interval setting of each broach, it is characterized in that:
Be disposed with stainless steel slide plate, damping vibration attenuation pad, elastomeric adhesives layer from top to down between the bottom of said fixedly pecten and the second beam surface.
Preferably, said damping vibration attenuation pad adopts elastomeric material, and the elastomeric adhesives layer adopts resinae elastoplasticity concrete.
Preferably; Rebasing of said damping vibration attenuation is evenly equipped with a plurality of convexities, and convexity can be tapered or semicircle, so that concrete is when actual building; The damping vibration attenuation pad can with the elastic concrete layer effectively, combine reliably, with effects such as the vibration isolation that guarantees to be brought into play, damping energy dissipatings in use.
Preferably, said stainless steel slide plate and damping vibration attenuation pad can be connected as a single entity, and both can pass through directly bonding, or process one through mutual combization.
Preferably, the first beam body is provided with in that side of bridge seam and supports supporting plate and the deep floor that supports thereunder, and first end of transverse joint plate is positioned on this support supporting plate, between first end of this support supporting plate surface and transverse joint plate, also is provided with vibration damping holder.This design has vibration isolation and damping energy dissipating effect in order to the vibration of the transverse joint plate of damping first beam body top, further reduces overall noise.
The structure of the utility model can apply to fixedly pecten---movable pecten pattern (being that transverse joint plate is movable pecten); Or fixing pecten---fixing pecten pattern (be transverse joint plate be fixedly pecten); Or movable pecten---movable pecten pattern, or among the bridge expansion joint structure of other pattern.
Compared with prior art, the advantage of the utility model is: through the setting of stainless steel slide plate, damping vibration attenuation pad, elastomeric adhesives layer; Wherein, The elastomeric adhesives layer has the interconnect function of good leveling effect and reliable bonding to the damping vibration attenuation spacer; And the elastomeric adhesives layer has good corrosion-resistanting waterproofing performance, in the actual installation process, plays the leveling effect, can play vibration isolation, damping energy dissipating and corrosion-resistant effect simultaneously; Damping vibration attenuation pad, the combination of elastomeric adhesives layer are provided with the vibration that the ability effective damping is positioned at the pecten of both tops, absorb the noise that pecten produces effectively, thereby reduce generation, the diffusion of expansion gap device noise, very environmental protection.The utility model simple in structure, it is easy to mat formation, utilization easy to implement.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 be among Fig. 1 A-A to sectional view.
Fig. 3 is the partial enlarged drawing of I portion among Fig. 2.
The specific embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Like Fig. 1, Fig. 2, shown in Figure 3, this vibration and noise reducing type bridge expansion joint installation comprises the first beam body 1 that is positioned at bridge seam both sides, the second beam body 2, is arranged on the transverse joint plate 3 on the first beam body 1 and is arranged on the fixedly pecten 4 on the second beam body 2;
Wherein, First end of this transverse joint plate 3 is positioned at bridge through set bolt 32 and stitches on the first beam body 1 of a side; And second end is positioned on the second beam body 2 of bridge seam opposite side and can moves relative to this second beam body 2; Second end of transverse joint plate 3 equally spaced is provided with a plurality of broach 31, fixedly first end of pecten 4 be provided with too a plurality of broach 41 and with transverse joint plate 3 on each broach 31 mutual transpostion interval setting;
In the present embodiment, first end of transverse joint plate 3 is provided with rotating shaft and axle bed, can carry out laterally with the beam body, the corner reciprocal on vertical, and be a movable pecten;
Be disposed with stainless steel slide plate 5, damping vibration attenuation pad 6, elastomeric adhesives layer 7 from top to down between the bottom of said fixedly pecten 4 and the second beam body, 2 surfaces;
Broach 31 on second end of transverse joint plate 3 can be free to slide on stainless steel slide plate 5, and stainless steel slide plate 5 is connected as a single entity with damping vibration attenuation pad 6;
Damping vibration attenuation pad 6 adopts elastomeric material; Damping vibration attenuation pad 6 bottoms are evenly equipped with a plurality of protruding 61; Elastomeric adhesives layer 7 adopts concrete, and during cast in situs, damping vibration attenuation pad 6 penetrates among the elastomeric adhesives layer 7 through a plurality of protruding 61 of its bottom; Both reliably are located by connecting together, guarantee effects such as vibration isolation that both are in use possessed at bridge expansion joint installation, damping energy dissipating;
And; The sidewall that the first beam body 1 is positioned at that side of bridge seam is provided with support supporting plate 11 and the deep floor 12 that supports thereunder; First end of transverse joint plate 3 is positioned on this support supporting plate 11; These support supporting plate 11 surfaces are provided with vibration damping holder 8, in order to reduce the oscillation intensity of transverse joint plate 3 first ends, also have the energy-eliminating shock-absorbing effect.
Claims (4)
1. vibration and noise reducing type bridge expansion joint installation; Comprise first, second two beam bodies (1,2) of being positioned at bridge seam both sides, be arranged on the transverse joint plate (3) on the first beam body (1) and be arranged on the fixedly pecten (4) on the second beam body (2); Wherein, First end of this transverse joint plate (3) is positioned at bridge through set bolt (32) and stitches on the first beam body (1) of a side; The second beam body (2) of bridge seam opposite side is last also can be moved relative to this second beam body (2) and second end is positioned at; Second end of transverse joint plate (3) has broach (31), fixedly first end of pecten (4) have too broach (41) and with transverse joint plate (3) on each other transpostion interval setting of each broach (31), it is characterized in that:
Be disposed with stainless steel slide plate (5), damping vibration attenuation pad (6), elastomeric adhesives layer (7) from top to down between the bottom of said fixedly pecten (4) and second beam body (2) surface.
2. vibration and noise reducing type bridge expansion joint installation according to claim 1 is characterized in that: said damping vibration attenuation pad (6) bottom is evenly equipped with a plurality of convexities (61).
3. vibration and noise reducing type bridge expansion joint installation according to claim 1 is characterized in that: said stainless steel slide plate (5) is connected as a single entity with damping vibration attenuation pad (6).
4. according to claim 1 or 2 or 3 described vibration and noise reducing type bridge expansion joint installations; It is characterized in that: the first beam body (1) is provided with in that side of bridge seam and supports supporting plate (11) and the deep floor (12) that supports thereunder; First end of transverse joint plate (3) is positioned on this support supporting plate (11), between first end of this support supporting plate (11) surface and transverse joint plate (3), also is provided with vibration damping holder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205239059U CN202359496U (en) | 2011-12-15 | 2011-12-15 | Vibration-attenuation noise-reduction type bridge expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205239059U CN202359496U (en) | 2011-12-15 | 2011-12-15 | Vibration-attenuation noise-reduction type bridge expansion joint device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202359496U true CN202359496U (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205239059U Expired - Lifetime CN202359496U (en) | 2011-12-15 | 2011-12-15 | Vibration-attenuation noise-reduction type bridge expansion joint device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202359496U (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 |
| 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 |
| CN104818669A (en) * | 2015-05-11 | 2015-08-05 | 苏交科集团股份有限公司 | Sliding seamless telescoping device |
| CN111472269A (en) * | 2020-04-24 | 2020-07-31 | 河南交通职业技术学院 | Basalt fiber comb plate type telescopic device |
-
2011
- 2011-12-15 CN CN2011205239059U patent/CN202359496U/en not_active Expired - Lifetime
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 |
| 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 |
| CN104818669A (en) * | 2015-05-11 | 2015-08-05 | 苏交科集团股份有限公司 | Sliding seamless telescoping device |
| CN111472269A (en) * | 2020-04-24 | 2020-07-31 | 河南交通职业技术学院 | Basalt fiber comb plate type telescopic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |