CN211973097U - Drainage device of expansion joint and bridge expansion joint - Google Patents
Drainage device of expansion joint and bridge expansion joint Download PDFInfo
- Publication number
- CN211973097U CN211973097U CN202020437456.5U CN202020437456U CN211973097U CN 211973097 U CN211973097 U CN 211973097U CN 202020437456 U CN202020437456 U CN 202020437456U CN 211973097 U CN211973097 U CN 211973097U
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- expansion joint
- drainage
- gap
- expansion
- drainage device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000011229 interlayer Substances 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000010426 asphalt Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a bridge drainage technology field, concretely relates to drainage device and bridge expansion joint of expansion joint. A drainage system for an expansion joint, comprising: the drainage groove is pre-buried at one side below the gap of the expansion joint; the water diversion structure is embedded on the opposite side below the gap of the expansion joint, one end of the water diversion structure extends into the drainage groove, and the extending length of the water diversion structure is not smaller than the maximum telescopic distance of the gap of the expansion joint. The utility model provides a drainage device and bridge expansion joint at thorough expansion joint of drainage.
Description
Technical Field
The utility model relates to a bridge drainage technology field, concretely relates to drainage device and bridge expansion joint of expansion joint.
Background
Bridge expansion joints are very important auxiliary facilities of bridge structures and are used for adjusting bridge deck displacement of bridges caused by vehicle load and temperature change so as to adapt to stable passing of bridge load. The installation is generally finished by reserving notches and beam embedded parts at the branch connection ends. The expansion joint has serious water leakage due to the action of vehicle load on the upper part of the bridge and the complex bridge deck environment. The existing solutions include installing a Z-shaped rubber band, a U-shaped aluminum plate, a stainless steel water stop band or packing an elastic waterproof composite material in the gap of the expansion joint. Because bridge floor rubbish, stones and other sundries are filled, the Z-shaped rubber belt is easy to damage under the action of a vehicle, bridge floor water directly flows into the bridge from the space between the beams at the expansion joint part, and if the traffic flow is large, the rubber belt is frequently replaced; after the U-shaped aluminum plate runs for a period of time on the bridge, sundries are filled in the U-shaped aluminum plate, under the action of extension and shortening of the beam body, the sundries damage the U-shaped aluminum plate and even affect the expansion and contraction of the beam body, once the U-shaped aluminum plate is damaged, the waterproof facilities can be replaced only by replacing the expansion joints, and the replacement is difficult; the plugging material needs to be filled by sectional construction, the plugging is incomplete, the problem of water leakage exists, the elastic material is aged, water leakage occurs, and the replacement is difficult.
Therefore, chinese patent document CN209066265U discloses a transverse drainage device for an expansion joint of an asphalt pavement bridge, which includes a longitudinal interlayer water collection tank, which is arranged in a reserved slot opening of the expansion joint, an opening is arranged on a vertical straight edge of the water collection tank and is tightly attached to a pavement layer, a drainage opening is arranged on a horizontal straight edge of the water collection tank near the side of a bridge deck, interlayer seepage water is transversely drained to the reserved drainage opening through the drainage tank, and the drainage opening is connected with a drainage pipe embedded in a beam body. Although the interlayer water seepage in the pavement layer can be collected, guided and discharged, the problem that the replacement is difficult once the drainage device is damaged and the drainage device is damaged still exists when the expansion joint stretches and contracts because the volume of the drainage device is fixed and only the water in the asphalt can seep out.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming expansion joint drainage device among the prior art and can not all collect the ponding through the expansion joint seepage, the not thorough defect of drainage, expansion joint gap block up the problem that influences the roof beam body and stretch out and draw back to a drainage device and the bridge expansion joint at the thorough expansion joint of drainage is provided.
In order to solve the technical problem, the utility model provides a drainage device, include:
the drainage groove is pre-buried at one side below the gap of the expansion joint;
the water diversion structure is embedded on the opposite side below the gap of the expansion joint, one end of the water diversion structure extends into the drainage groove, and the extending length of the water diversion structure is not smaller than the maximum telescopic distance of the gap of the expansion joint.
The drainage device at expansion joint, the water conservancy diversion structure includes pre-buried the installed part of the relative opposite side of the below at expansion joint with locate water conservancy diversion spare in the installed part, water conservancy diversion spare with the connection is dismantled to the installed part, and keeps away from the one end of installed part extends to in the water drainage tank.
The drainage device of expansion joint, water conservancy diversion spare includes interior the elastic component of establishing in the installed part and with the slope that the elastic component is connected, the shaping has the permission on the installed part the first opening that the slope extends out.
The drainage device of expansion joint, the installed part be with the frame of elastic part form adaptation, the frame perpendicular to the flexible direction in the gap at expansion joint is provided with at least one and is suitable for the elastic part with the second opening that the installed part breaks away from.
The drainage device at expansion joint, the installed part is fan-shaped frame, the elastic part include the horizontal plate and with the horizontal plate is the arc that the contained angle set up, the radian of arc with the radian of fan-shaped frame is unanimous.
The drainage device at the expansion joint is characterized in that the height of the drainage groove close to the first side wall of the flow guide structure is lower than the height of the drainage groove far away from the second side wall of the flow guide structure, and the first side wall and the second side wall are arranged oppositely.
The drainage device of the expansion joint is characterized in that a cover plate is further arranged on the second side wall, and an extension space of the flow guide structure is reserved between the cover plate and the first side wall.
The drainage device of the expansion joint is characterized in that a drainage pipe is arranged in the drainage groove, and at least one drainage port is arranged in the direction, perpendicular to the expansion direction of the gap of the expansion joint, of the drainage pipe.
The drainage device of expansion joint, the water drainage tank with the water conservancy diversion structure is the steel.
The bridge expansion joint comprises the drainage device of the expansion joint.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a drainage device at expansion joint, when the gap at expansion joint is flexible, because the drainage device that is located the gap below at expansion joint includes water drainage tank and water conservancy diversion structure two parts, and is located the both sides at gap respectively, the length of the one end that the water conservancy diversion structure extends to in the water drainage tank is not less than the biggest flexible distance in gap, even consequently guaranteed that the width at gap changes, the ponding homoenergetic through the gap seepage is collected and is discharged in getting into the water drainage tank smoothly under the guide of water conservancy diversion structure, the drainage performance has been guaranteed, the problem of expansion joint leakage has effectively been solved.
2. The utility model provides a drainage device at expansion joint, water conservancy diversion spare are dismantled with the installed part and are connected, can in time change the water conservancy diversion spare, prolong the life of buildings such as bridge.
3. The utility model provides a drainage device at expansion joint, the setting up of elasticity portion can adapt to the two-way cross slope at expansion joint in the water conservancy diversion spare, reduces the noise when making the bridge vibrations such as vehicle simultaneously.
4. The utility model provides a drainage device at expansion joint, the flexible direction in the gap at frame perpendicular to expansion joint is provided with at least one and is suitable for the opening that elasticity portion and installed part break away from, is convenient for dismantle the width direction of water conservancy diversion spare along the expansion joint.
5. The utility model provides a drainage device at expansion joint, the height that highly is less than the second lateral wall of keeping away from the water conservancy diversion structure of the first lateral wall that the water drainage tank is close to the water conservancy diversion structure for the extension of the rake of water conservancy diversion spare forms certain space of stepping down for during ponding flows in the water drainage tank smoothly, the installation of the expansion joint of being convenient for simultaneously is fixed.
6. The utility model provides a bridge expansion joint has effectively solved leaking of expansion joint and debris jam influence the flexible problem of the roof beam body, and drainage effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a drainage device for an expansion joint provided by the present invention after a drainage channel and a rectangular plate are installed;
FIG. 2 is a schematic view of the cover plate and arcuate plate of FIG. 1 after installation;
FIG. 3 is a schematic view of FIG. 2 after installation of drainage pipes and expansion joints;
fig. 4 is a schematic view of fig. 3 after installation of the baffle.
Description of reference numerals:
1. an expansion joint; 2. a gap; 3. a water discharge tank; 4. a mounting member; 5. a flow guide member; 6. an elastic portion; 7. an inclined portion; 8. a cover plate; 9. a drain pipe; 10. a bridge; 11. and (5) anchoring the expansion joint with ribs.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 4, an embodiment of the drainage device for an expansion joint takes bridge drainage as an example, and includes a drainage channel 3 pre-embedded at one side below a gap 2 of an expansion joint 1 and a diversion structure pre-embedded at the opposite side below the gap 2 of the expansion joint 1, that is, the drainage channel 3 and the diversion structure are arranged along the expansion direction of the gap 2 of the expansion joint 1. The drainage channel 3 with the water conservancy diversion structure is the steel, is difficult for rustting, and life is longer. One end of the flow guide structure extends into the drainage groove 3, and the extension length of the flow guide structure is not less than the maximum telescopic distance of the gap 2 of the expansion joint 1. When the gap 2 at expansion joint 1 takes place to stretch out and draw back in the bridge use, because the extending length of water conservancy diversion structure is not less than the biggest flexible distance of gap 2 at expansion joint 1, the one end of water conservancy diversion structure can not break away from water drainage tank 3 all the time promptly, the change only be the projected area of water conservancy diversion structure in water drainage tank 3, consequently guaranteed that the ponding through 2 seepage in gap all can be followed the water conservancy diversion structure and assembled and discharge in water drainage tank 3.
Specifically, the water conservancy diversion structure includes pre-buried installed part 4 of the relative opposite side of the below at expansion joint 1 with locate water conservancy diversion spare 5 in the installed part 4, water conservancy diversion spare 5 with installed part 4 is dismantled and is connected, and keeps away from the one end of installed part 4 extends to in the water drainage tank 3. The water conservancy diversion spare 5 is established including interior elastic part 6 in the installed part 4 and with slope 7 that elastic part 6 is connected, elastic part 6 include the horizontal plate and with the horizontal plate is the arc that the contained angle set up, and horizontal plate and arc pass through welded fastening, and the arc is 1/4 circular arcs, and slope 7 is the slope board fixed with the junction of horizontal plate and arc. The mounting part 4 is a fan-shaped frame matched with the elastic part 6 in shape, and the radian of the arc-shaped plate is consistent with that of the fan-shaped frame. The mounting 4 comprises a rectangular plate and an 1/4 arc fixed to one leg of the rectangular plate, the other end of the arc forming a first opening with the other leg of the rectangular plate allowing the inclined portion 7 to extend out. The frame perpendicular to the flexible direction of the gap 2 at expansion joint 1 is provided with two second openings that are suitable for elastic part 6 with installed part 4 breaks away from, when needing to change water conservancy diversion spare 5, only need along the width direction of the gap 2 at expansion joint 1 with it pull out from installed part 4 can.
The longitudinal section of water drainage tank 3 is the U style of calligraphy, water drainage tank 3 is close to highly being less than of the first lateral wall of water conservancy diversion structure is kept away from the height of the second lateral wall of water conservancy diversion structure, first lateral wall with the second lateral wall sets up relatively. The inclined portion 7 of the deflector 5 extends over the first side wall to above the drain channel 3. The upper part of the second side wall is arranged basically flush with the upper part of the mounting part 4 so as to ensure the mounting stability of the expansion joint 1.
For further facilitating installation of the expansion joint 1, a cover plate 8 is further arranged on the second side wall, one end, close to the flow guide structure, of the cover plate 8 is higher than the other end, far away from the flow guide structure, of the cover plate 8, and an extension space of the flow guide structure is reserved between the cover plate 8 and the first side wall.
For the corruption that prevents water drainage tank 3, be equipped with drain pipe 9 in the water drainage tank 3, drain pipe 9 is the HDPE material, drain pipe 9 perpendicular to the flexible direction in gap 2 at expansion joint 1 is provided with two outlets. The accumulated water collected in the water discharge pipe 9 is directly discharged through the water discharge ports at both sides.
As an alternative embodiment, the flow guiding element 5 is a flow guiding plate detachably connected to the mounting element 4, and one end of the flow guiding plate is formed with a bending part clamped with the mounting element 4.
As an alternative embodiment, the mounting member 4 and the elastic portion 6 may also be rectangular, triangular, etc., as long as they are fittingly fixed.
The elastic part 6 of the flow guide piece 5 comprises 1/4 circular arc plates and horizontal steel plates, the rigidity of the steel plates is lower after the steel plates are opened, and the elastic part can adapt to a bidirectional 1.5% -2% cross slope during installation; adopt the spring steel simultaneously, can block into installed part 4, when preventing that the vehicle from making the roof beam body vibrations, sound takes place for water conservancy diversion spare 5. The diversion part 5 can be replaced, and the problem that the service life of the bridge (30-100 years) is not matched with that of the diversion part 5 (5-10 years) can be solved.
A bridge expansion joint comprises a drainage device of the expansion joint.
During construction, as shown in fig. 1, an expansion joint anchoring rib 11 is embedded at an expansion joint 1 of a bridge 10, and a drainage groove 3 and a right-angle plate of a mounting part 4 are embedded below a reserved groove of the expansion joint 1. As shown in fig. 2, a cover plate 8 is welded to the drain tank 3, and 1/4 circular arcs are welded to the right-angle plate, while a first opening is reserved. As shown in fig. 3, the drain pipe 9 is placed in the drain tank 3, and the expansion joint 1 is installed into the reserve tank. As shown in fig. 4, the deflector 5 is installed along the second opening of the mounting member 4 while the inclined portion 7 protrudes from the first opening between the rectangular plate and the circular arc and extends above the drain pipe 9, completing the installation.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. A drainage device for an expansion joint, comprising:
the drainage groove (3) is pre-buried at one side below the gap (2) of the expansion joint (1);
the water conservancy diversion structure, it is pre-buried in the relative opposite side of gap (2) below of expansion joint (1), the one end of water conservancy diversion structure extends to in water drainage tank (3), just the extension length of water conservancy diversion structure is not less than the biggest flexible distance of gap (2) of expansion joint (1).
2. The drainage device at an expansion joint according to claim 1, wherein the flow guide structure comprises a mounting part (4) embedded at the other opposite side below the expansion joint (1) and a flow guide part (5) arranged in the mounting part (4), the flow guide part (5) is detachably connected with the mounting part (4), and one end far away from the mounting part (4) extends into the drainage groove (3).
3. The drainage system for an expansion joint according to claim 2, wherein the deflector (5) comprises an elastic part (6) internally provided in the mounting member (4) and an inclined part (7) connected to the elastic part (6), and the mounting member (4) is formed with a first opening allowing the inclined part (7) to extend.
4. A drainage means for an expansion joint according to claim 3, characterized in that the mounting member (4) is a frame adapted to the shape of the elastic portion (6), and the frame is provided with at least one second opening adapted to the elastic portion (6) to be detached from the mounting member (4) perpendicularly to the expansion direction of the gap (2) of the expansion joint (1).
5. The drainage device for an expansion joint according to claim 4, wherein the mounting member (4) is a fan-shaped frame, the elastic part (6) comprises a horizontal plate and an arc plate arranged at an included angle with the horizontal plate, and the radian of the arc plate is consistent with that of the fan-shaped frame.
6. The drainage device for expansion joints according to any one of claims 1 to 5, wherein the height of the drainage channel (3) near a first side wall of the flow guide structure is lower than the height of a second side wall far from the flow guide structure, and the first side wall and the second side wall are arranged oppositely.
7. The drainage device for an expansion joint according to claim 6, wherein a cover plate (8) is further disposed on the second side wall, and an extension space of the flow guiding structure is reserved between the cover plate (8) and the first side wall.
8. The drainage system for expansion joints according to any one of claims 1 to 5, characterized in that a drainage pipe (9) is provided in the drainage channel (3), and at least one drainage opening is provided in the drainage pipe (9) perpendicular to the expansion direction of the gap (2) of the expansion joint (1).
9. The drainage device for expansion joints according to any one of claims 1 to 5, wherein the drainage channel (3) and the flow guide structure are both made of steel.
10. A bridge expansion joint, comprising a drainage means for an expansion joint according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020437456.5U CN211973097U (en) | 2020-03-30 | 2020-03-30 | Drainage device of expansion joint and bridge expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020437456.5U CN211973097U (en) | 2020-03-30 | 2020-03-30 | Drainage device of expansion joint and bridge expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211973097U true CN211973097U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020437456.5U Expired - Fee Related CN211973097U (en) | 2020-03-30 | 2020-03-30 | Drainage device of expansion joint and bridge expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211973097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305062A (en) * | 2020-03-30 | 2020-06-19 | 北京市市政专业设计院股份公司 | Drainage device of expansion joint and bridge expansion joint |
| CN113774786A (en) * | 2021-09-17 | 2021-12-10 | 山东省交通规划设计院集团有限公司 | Water tank drainage system used between bridge deck expansion joints and bridge body |
-
2020
- 2020-03-30 CN CN202020437456.5U patent/CN211973097U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111305062A (en) * | 2020-03-30 | 2020-06-19 | 北京市市政专业设计院股份公司 | Drainage device of expansion joint and bridge expansion joint |
| CN113774786A (en) * | 2021-09-17 | 2021-12-10 | 山东省交通规划设计院集团有限公司 | Water tank drainage system used between bridge deck expansion joints and bridge body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Fan Li Inventor after: Zhao Ke Inventor after: Xu Linfeng Inventor after: Shao Yateng Inventor after: Shi Qingsheng Inventor before: Fan Li Inventor before: Zhao Ke Inventor before: Xu Linfeng Inventor before: Shaoyateng Inventor before: Shi Qingsheng |
|
| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |