CN210975524U - Bridge expansion joint - Google Patents
Bridge expansion joint Download PDFInfo
- Publication number
- CN210975524U CN210975524U CN201921838544.XU CN201921838544U CN210975524U CN 210975524 U CN210975524 U CN 210975524U CN 201921838544 U CN201921838544 U CN 201921838544U CN 210975524 U CN210975524 U CN 210975524U
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- section steel
- noise reduction
- expansion joint
- water stop
- bridge expansion
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Abstract
The utility model relates to a bridge expansion joint. Including left shaped steel and right shaped steel, still include the elastic water stop, it has the first board of making an uproar to all lead to be equipped with on left shaped steel and the right shaped steel, it is provided with first through-hole on the first board of making an uproar to fall, the first board of making an uproar that falls of left shaped steel and correspondence encloses into first holding tank, enclose into the second holding tank between the first board of making an uproar that falls of right shaped steel and correspondence, the both ends of elastic water stop block card respectively in first holding tank and second holding tank, all be provided with first block portion on left shaped steel and the right shaped steel, all be provided with second block portion on each first board of making an uproar that falls, it falls the board still all to be fixed with the second on left shaped steel and the right shaped steel, it is provided with the second through-hole on the board to. Through adopting the utility model discloses a bridge expansion joint, the first board of making an uproar and the second of making an uproar fall the noise that the board produced when can effectual absorption vehicle current of making an uproar, reduced the noise, avoided causing the influence to resident on every side.
Description
Technical Field
The utility model relates to a bridge expansion joint.
Background
The bridge is common basic municipal engineering in market life, and the bridge is mainly used for communicating two sides of a river channel or a canyon, so that the bridge is convenient to pass. Because the flexible phenomenon can appear in the use of bridge, in order to avoid the flexible and destroyed problem of bridge that leads to of bridge, the bridge need set up expansion joint device in the work progress. However, most of the existing expansion joint devices do not have the noise reduction effect, and when a vehicle passes through the expansion joint device, the vehicle can generate large noise, so that residents around a bridge are easily affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bridge expansion joint for solve among the prior art bridge expansion joint device and do not have the technical problem of noise reduction effect.
The utility model discloses a bridge expansion joint adopts following technical scheme:
the bridge expansion joint comprises left section steel and right section steel which are arranged in a mirror symmetry mode, the cross sections of the left section steel and the right section steel are both inverted L types, the bridge expansion joint further comprises an elastic water stop belt arranged between the left section steel and the right section steel, a first noise reduction plate is arranged on the left section steel and the right section steel in a guiding mode, a first through hole is formed in the first noise reduction plate, the first through hole is an S-shaped channel formed by connecting a plurality of vertical sections and a plurality of horizontal sections in a staggered mode, the left section steel and the corresponding first noise reduction plate are enclosed into a first accommodating groove, a second accommodating groove is enclosed between the right section steel and the corresponding first noise reduction plate, two ends of the elastic water stop belt are clamped in the first accommodating groove and the second accommodating groove respectively, first stopping parts used for stopping the upper side of the elastic water stop belt are arranged on the left section steel and the right section steel, second noise reduction plates used for stopping the lower side of the elastic water stop belt are arranged on each of the first noise reduction plate, second noise reduction plate is arranged on the left section steel and the right section steel, and the second noise reduction plate are both made of elastic water stop belt, and noise reduction air bags are made of the elastic water stop belt, and noise reduction plates, and noise reduction materials are arranged on the left section steel and the second noise reduction plates in a.
Has the advantages that: through adopting the utility model discloses a bridge expansion joint, the first board of making an uproar and the second of making an uproar fall the noise that the board produced when can effectual absorption vehicle current to reduce the noise, avoided causing the influence to the resident on every side. In addition, the setting of board of making an uproar can also play filterable effect, has avoided directly falling on the elasticity waterstop such as stone, gravel, has avoided falling into more debris on the elasticity waterstop, and makes the gasbag at elasticity waterstop both ends deviate from the condition in first holding tank and the second holding tank.
Further, the elastic water stop is W-shaped.
Furthermore, the elastic water stop is internally provided with a buffer hole.
Furthermore, a plurality of first through holes are arranged on the first noise reduction plate in a matrix shape.
Furthermore, the aperture of each first through hole is 5 mm-15 mm, and the distance between any two adjacent first through holes is 20 mm-50 mm.
Furthermore, a plurality of second through holes are arranged on the second noise reduction plate in a matrix shape.
Furthermore, the aperture of each second through hole is 7 mm-20 mm, and the distance between any two adjacent second through holes is 10 mm-60 mm.
Further, the one end of the first noise reduction plate is a T-shaped guide rail, and T-shaped guide grooves are formed in the left section steel and the right section steel.
Further, the sound absorbing material is an aluminum sound absorbing material.
Drawings
Fig. 1 is a schematic cross-sectional view of an overall structure of an embodiment of the bridge expansion joint of the present invention;
fig. 2 is a schematic perspective view of a first noise reduction plate according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a second noise reduction plate according to an embodiment of the present invention.
The reference numerals are explained below:
1-left section steel, 2-right section steel, 3-elastic water stop, 301-buffer hole, 302-elastic air bag, 4-first noise reduction plate, 401-T type guide rail, 402-first through hole, 21-vertical section, 22-horizontal section, 403-second stopping part, 5-second noise reduction plate, 501-second through hole and 6-first stopping part.
Detailed Description
For better illustration of the objects, technical solutions and advantages of the present invention, the following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses an embodiment at bridge expansion joint:
as shown in fig. 1 to 3, the bridge expansion joint includes a left section steel 1 and a right section steel 2 which are arranged in mirror symmetry, the cross sections of the left section steel 1 and the right section steel 2 are both inverted L types, the bridge expansion joint further includes an elastic water stop 3 installed between the left section steel 1 and the right section steel 2, the left section steel 1 and the right section steel 2 are all provided with a first noise reduction plate 4 in a guiding manner, the first noise reduction plate 4 is provided with a first through hole 402, the first through hole 402 is an S-shaped channel formed by a plurality of vertical sections 21 and a plurality of horizontal sections 22 which are connected in a staggered manner, the left section steel 1 and the corresponding first noise reduction plate 4 enclose a first accommodating groove, the right section steel 2 and the corresponding first noise reduction plate 4 enclose a second accommodating groove, two ends of the elastic water stop 3 are respectively clamped in the first accommodating groove and the second accommodating groove, the left section steel 1 and the right section steel 2 are both provided with a first noise reduction stop portion 6 for stopping the upper side of the elastic water stop 3, each first noise reduction plate 4 is provided with a second noise reduction plate 3, the left section steel 1 and the right section steel 2 are both provided with a noise reduction air bag, the second noise reduction plate 3, the elastic water stop portion 3 and the second noise reduction plate 3 are both provided with a noise reduction air bag 501, the second noise reduction air bag 5, the second noise reduction plate 3 is provided with the noise reduction air bag, the noise reduction.
Specifically, in the present embodiment, the left steel 1 and the right steel 2 are both L types and are arranged in mirror symmetry, since the left steel 1 and the right steel 2 have the same shape and structure, the left steel 1 is described as an example, the left steel 1 includes a horizontal flat plate portion that is horizontal and a vertical flat plate portion that is vertical, a T-shaped guide groove is formed in the vertical flat plate portion, a notch of the T-shaped guide groove faces to the right side, the vertical flat plate portion is provided with a first noise reduction plate 4 in a guiding manner, one side of the first noise reduction plate 4 is provided with a T-shaped guide rail 401, the first noise reduction plate 4 is assembled in a guiding manner by a mutual blocking action of the T-shaped guide rail 401 and the T-shaped guide groove, the first noise reduction plate 4 and the horizontal flat plate portion are parallel, the first noise reduction plate 4, the vertical flat plate portion and the horizontal flat plate portion enclose a first accommodating groove, which needs to be described is formed by enclosing the vertical flat plate portion, the horizontal flat plate portion of the right steel 2 and the first noise reduction plate 4 assembled in the right steel 2, and the first noise reduction plate 4 enclose a second accommodating groove, the horizontal flat plate portion, the first accommodating groove 4 and the second groove 4 are formed by enclosing a small elastic retaining groove, the first accommodating groove 4 is formed by the horizontal retaining groove, the first accommodating groove 4, the second groove 4 is formed by the second groove, the first accommodating groove 4 is formed by the horizontal groove, the second groove 4 is formed by the horizontal groove, the first groove 4 is easily formed by the elastic retaining structure, the first groove 4, the second groove 4 is formed by the second groove, the elastic retaining structure is easily removed, the first groove structure is formed by the second groove, the second groove is formed by the first groove 4 is easily, the second groove 4 is formed by the left steel 2, the.
Still all being fixed with a second on left side shaped steel 1 and the right side shaped steel 2 in this embodiment and falling board 5 of making an uproar, the second falls board 5 of making an uproar and is a flat board, and the second falls the material of board 5 of making an uproar and be aluminium sound absorbing material, specifically is aluminium fiberboard. The second on left shaped steel 1 and right shaped steel 2 falls board 5 of making an uproar all is located the top of elastic water stop 3 and staggers from top to bottom the setting, as shown in fig. 1, the second falls the board 5 of making an uproar and fixes on the horizontal flat plate portion of left shaped steel 1 on left shaped steel 1, and the second of right shaped steel 2 falls board 5 of making an uproar and also corresponds and fixes on the horizontal flat plate portion of right shaped steel 2 to the second falls the board 5 of making an uproar and is located the second on right shaped steel 2 and falls the top of board 5 of making an uproar on left shaped. In this embodiment, each second noise reduction plate 5 is provided with a plurality of second through holes 501, the diameter of each second through hole 501 is 10mm, in other embodiments, the diameter of each second through hole 501 may also be 7mm or 20mm, and the distance between any two adjacent second through holes 501 is 20mm, in other embodiments, the distance may also be 10mm or 60 mm. In this embodiment, the second through holes 501 of the second noise reduction plate 5 are arranged in a matrix.
In the embodiment, the first noise reduction plate 4 is provided with a plurality of first through holes 402, the diameter of each first through hole 402 is 10mm, and in other embodiments, the diameter of each first through hole 402 may be 5mm or 15mm, and the distance between any two adjacent first through holes 402 is 30mm, and in other embodiments, the distance may be 20mm or 50 mm. The first through holes 402 are also arranged in a matrix, and each of the first through holes 402 is provided in a region between the T-shaped rail 401 and the second blocking portion 403. In order to achieve better noise reduction effect, the first through hole 402 is configured as an S-shaped curved channel, so that the sound wave entering into the first through hole can be more obstructed, and more energy of the sound wave is consumed, thereby achieving better noise reduction effect. In this embodiment, the first noise reduction plate 4 is also made of an aluminum sound absorption material, specifically, an aluminum powder sintered plate.
The bridge expansion joint of this embodiment is when using, and the first board 4 and the second board 5 of making an uproar can absorb the produced noise of vehicle current to the influence to the resident on every side has been avoided. In addition, the setting of board 5 of making an uproar can also play filterable effect in the second, has avoided the condition that directly falls on elastic water stop 3 such as stone, gravel, has avoided deviating from and wearing and tearing of elastic water stop 3, has prolonged elastic water stop 3's life.
The foregoing embodiments have been described primarily with reference to the principles, essential features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (9)
1. The bridge expansion joint is characterized by comprising a left section steel and a right section steel which are arranged in a mirror symmetry mode, wherein the sections of the left section steel and the right section steel are both of an inverted L type, the bridge expansion joint further comprises an elastic water stop belt arranged between the left section steel and the right section steel, the left section steel and the right section steel are both provided with a first noise reduction plate in a guiding mode, the first noise reduction plate is provided with a first through hole, the first through hole is an S-shaped channel formed by a plurality of vertical sections and a plurality of horizontal sections in a staggered mode, the left section steel and the corresponding first noise reduction plate are enclosed into a first accommodating groove, the right section steel and the corresponding first noise reduction plate are enclosed into a second accommodating groove, two ends of the elastic water stop belt are respectively clamped in the first accommodating groove and the second accommodating groove, the left section steel and the right section steel are both provided with a first stopping portion used for stopping the upper side of the elastic water stop belt, each first noise reduction plate is provided with a second stopping portion used for stopping the lower side of the elastic water stop belt, the left section steel and the right section steel are both fixed with a second noise reduction plate, the left section steel and the right section steel are both made of an elastic water stop belt, and the elastic water stop belt, the elastic air bag is made of the elastic noise reduction plate, and the second.
2. The bridge expansion joint of claim 1, wherein: the elastic water stop is W-shaped.
3. The bridge expansion joint of claim 2, wherein: the inside of elastic water stop is provided with the buffer hole.
4. The bridge expansion joint of claim 1, wherein: a plurality of first through holes are arranged on the first noise reduction plate in a matrix shape.
5. The bridge expansion joint of claim 4, wherein: the aperture of each first through hole is 5 mm-15 mm, and the distance between any two adjacent first through holes is 20 mm-50 mm.
6. The bridge expansion joint of claim 1, wherein: and a plurality of second through holes are arranged on the second noise reduction plate in a matrix shape.
7. The bridge expansion joint of claim 6, wherein: the aperture of each second through hole is 7 mm-20 mm, and the distance between any two adjacent second through holes is 10 mm-60 mm.
8. A bridge expansion joint according to any one of claims 1 to 7, wherein: the one end of the first noise reduction plate is a T-shaped guide rail, and T-shaped guide grooves are formed in the left section steel and the right section steel.
9. A bridge expansion joint according to any one of claims 1 to 7, wherein: the sound absorption material is aluminum sound absorption material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838544.XU CN210975524U (en) | 2019-10-30 | 2019-10-30 | Bridge expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921838544.XU CN210975524U (en) | 2019-10-30 | 2019-10-30 | Bridge expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210975524U true CN210975524U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921838544.XU Active CN210975524U (en) | 2019-10-30 | 2019-10-30 | Bridge expansion joint |
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| CN (1) | CN210975524U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629666A (en) * | 2019-10-30 | 2019-12-31 | 中国建筑第七工程局有限公司 | Bridge expansion joint |
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2019
- 2019-10-30 CN CN201921838544.XU patent/CN210975524U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629666A (en) * | 2019-10-30 | 2019-12-31 | 中国建筑第七工程局有限公司 | Bridge expansion joint |
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