CN213954526U - Water delivery pipeline for large-span flexible suspension bridge - Google Patents
Water delivery pipeline for large-span flexible suspension bridge Download PDFInfo
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- CN213954526U CN213954526U CN202022368000.0U CN202022368000U CN213954526U CN 213954526 U CN213954526 U CN 213954526U CN 202022368000 U CN202022368000 U CN 202022368000U CN 213954526 U CN213954526 U CN 213954526U
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- suspension bridge
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- limiting device
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Abstract
The utility model discloses a conduit for a large-span flexible suspension bridge, the water hammer prevention air valve (3) is arranged at the midspan position of the suspension bridge (1), and spherical universal joints (2) are arranged at the midspan positions of a cable tower (4) and the suspension bridge (1) at the two sides of the suspension bridge (1); the steel corrugated expansion joint (5) is arranged at the midpoint position of two adjacent spherical universal joints (2); the sliding pipeline support (6) is uniformly arranged on a main truss girder (8) of the suspension bridge, the sliding pipeline support (6) is composed of a roller shaft pad groove (7), a roller shaft (10), a pipe support (11) and a limiting device (12), the problem of deformation coupling in the prior art is solved, a water conveying pipeline is sensitive to deformation, the deformation is too large, the pipeline is easy to damage, and therefore the water conveying safety is affected.
Description
Technical Field
The utility model relates to water delivery engineering technical field, more specifically are a conduit for flexible suspension bridge of large-span.
Background
At present, when encountering obstacles such as large rivers, water conveying pipelines usually adopt a pipe bridge form to span. On one hand, the suspension cable pipe bridge has the advantages of good construction conditions, large span, attractive bridge shape and the like.
But on the other hand has the following remarkable characteristics: firstly, the suspension bridge has large span and soft structure, is a flexible bridge, and the water pipeline is a flexible pipeline, and the two may have resonance.
Secondly, the suspension bridge is very sensitive to wind load, pipeline water hammer and other vibration loads, the bridge is large in deformation, and the deformation direction is a multi-dimensional direction.
Thirdly, the water conveying pipeline and the suspension bridge have the problem of deformation coupling, the water conveying pipeline is sensitive to deformation, and the pipeline is easy to damage due to overlarge deformation, so that the water conveying safety is influenced.
Therefore, a structure for solving the above problems is urgently needed.
Disclosure of Invention
The utility model aims to overcome the shortcomings of the background art, and provides a conduit for a large-span flexible suspension bridge.
The utility model aims at being implemented through the following technical scheme: a water pipeline for a large-span flexible suspension bridge comprises a suspension bridge, a spherical universal joint, a water hammer prevention air valve, a cable tower, a steel corrugated expansion joint, a sliding pipeline support, a roll shaft pad groove, a main truss girder, a vibration reduction rubber pad, a roll shaft, a pipe support, a limiting device and a pipeline;
the water hammer preventing air valve is arranged at the midspan position of the suspension bridge, and spherical universal joints are arranged at the midspan positions of the cable towers at two sides of the suspension bridge and the suspension bridge;
the steel corrugated expansion joint is arranged at the midpoint position of two adjacent spherical universal joints;
the sliding pipeline support is uniformly arranged on the main truss girder of the suspension bridge and consists of a roll shaft pad groove, a roll shaft, a pipe support and a limiting device,
the roll shaft pad groove is connected with the main truss girder in a welding mode, a vibration-damping rubber pad is arranged in the roll shaft pad groove, the roll shaft is arranged in the roll shaft pad groove, the pipe support is arranged on the roll shaft and is connected with a pipeline arranged above in a welding mode,
the limiting device is a door-shaped steel frame formed by welding three I-shaped steel bars, and the door-shaped steel frame is connected with the main truss girder of the suspension bridge in a welding mode.
In the above technical scheme: the roll shaft, the pipe support and the pipeline are positioned in the limiting device.
The utility model has the advantages of as follows: 1. the utility model discloses a with the coordination and the coupling of large-span flexible suspension bridge deformation, ensured the pipeline safe operation.
2. The water hammer prevention air valve in the utility model can avoid the resonance influence of the pipeline water hammer effect on the suspension bridge; the spherical universal joint enables the pipeline to adapt to the change of the rotation angle of the large-span suspension bridge; the expansion joint of the steel corrugated pipe and the sliding pipeline support enable the pipeline to adapt to the deformation of each dimension of the large-span suspension bridge;
3. the utility model discloses each component all adopts welded connection, simple structure, safe and reliable, construction convenience.
Drawings
Fig. 1 is a plan view of the present invention.
Fig. 2 is an elevation view of the present invention.
Fig. 3 is an elevation view of the sliding pipe support of the present invention.
Fig. 4 is a cross-sectional view taken along line I-I in fig. 3.
In the figure: suspension bridge 1, spherical universal joint 2, water hammer prevention air valve 3, cable tower 4, steel corrugated expansion joint 5, sliding pipeline support 6, roller shaft pad groove 7, main truss girder 8, vibration reduction rubber pad 9, roller shaft 10, pipe support 11, limiting device 12, pipeline 13 and door-shaped steel frame 14
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to FIGS. 1-4: a water pipeline for a large-span flexible suspension bridge comprises a suspension bridge 1, a spherical universal joint 2, a water hammer prevention air valve 3, a cable tower 4, a steel corrugated expansion joint 5, a sliding pipeline support 6, a roll shaft pad groove 7, a main truss girder 8, a vibration reduction rubber pad 9, a roll shaft 10, a pipe support 11, a limiting device 12 and a pipeline 13;
the water hammer prevention air valve 3 is arranged at the midspan position of the suspension bridge 1 to reduce the influence of gas vibration on the suspension bridge 1 in the operation process;
the cable towers 4 on the two sides of the suspension bridge 1 and the midspan position of the suspension bridge 1 are both provided with spherical universal joints 2;
the steel corrugated expansion joint 5 is arranged at the midpoint position of two adjacent spherical universal joints 2;
the sliding pipeline support 6 is uniformly arranged on a main truss beam 8 of the suspension bridge, the sliding pipeline support 6 consists of a roll shaft pad groove 7, a roll shaft 10, a pipe support 11 and a limiting device 12,
the roll shaft pad groove 7 is connected with the main truss girder 8 in a welding mode.
A vibration-damping rubber pad 9 is arranged in the roll shaft pad groove 7 to reduce vertical vibration of the pipeline,
the roll shaft 10 is placed in the roll shaft pad groove 7 and axially deformed through the sliding transmission pipeline 13.
The pipe support 11 is placed on the roll shaft 10 and is connected with the pipeline 13 arranged above by welding,
the limiting device 12 is formed by welding three I-shaped steel bars to form a door-shaped steel frame 14, and the door-shaped steel frame 14 is connected with the main truss girder 8 of the suspension bridge in a welding mode.
The roll shaft 10, the pipe support 11 and the pipeline 13 are positioned in the limiting device 12. The limiting device 12 is used for limiting the horizontal displacement and the vertical displacement of the pipeline 13.
The utility model discloses a following specific work process: large-span suspension bridge 1 is at wind load, during great displacement and corner of production under the effect such as pipeline vibration load, stop device 12 has fine constraint effect to the pipeline 13 displacement of corresponding production, and spherical universal joint 2 can make pipeline 13 rotate in order to adapt to large-span suspension bridge 1's corner, and when pipeline 13 took place axial displacement under the temperature action or under certain bridge specific operating mode, steel corrugated expansion joint 5 and sliding pipe support 6 can effectually adapt to this kind of axial displacement and change, finally the utility model discloses can realize coordinating and coupling with the deformation of large-span flexible suspension bridge 1, ensure pipeline 13 operation safe and reliable.
The above-mentioned parts not described in detail are prior art.
Claims (2)
1. The utility model provides a raceway for flexible suspension bridge of large-span which characterized in that: the device comprises a suspension bridge (1), a spherical universal joint (2), a water hammer prevention air valve (3), a cable tower (4), a steel corrugated expansion joint (5), a sliding pipeline support (6), a roll shaft pad groove (7), a main truss girder (8), a vibration reduction rubber pad (9), a roll shaft (10), a pipe support (11), a limiting device (12) and a pipeline (13);
the water hammer preventing air valve (3) is arranged at the midspan position of the suspension bridge (1), and spherical universal joints (2) are arranged at the midspan positions of the cable towers (4) at the two sides of the suspension bridge (1) and the suspension bridge (1);
the steel corrugated expansion joint (5) is arranged at the midpoint position of two adjacent spherical universal joints (2);
the sliding pipeline support (6) is uniformly arranged on a main truss girder (8) of the suspension bridge, the sliding pipeline support (6) consists of a roll shaft pad groove (7), a roll shaft (10), a pipe support (11) and a limiting device (12),
the roll shaft pad groove (7) is connected with the main truss girder (8) in a welding mode, a vibration damping rubber pad (9) is arranged in the roll shaft pad groove (7), the roll shaft (10) is placed in the roll shaft pad groove (7), the pipe support (11) is placed on the roll shaft (10) and is connected with a pipeline (13) arranged above in a welding mode,
the limiting device (12) is characterized in that a door-shaped steel frame (14) is formed by welding three I-shaped steel bars, and the door-shaped steel frame (14) is connected with the main truss girder (8) of the suspension bridge in a welding mode.
2. The water pipeline for the large-span flexible suspension bridge according to claim 1, characterized in that: the roll shaft (10), the pipe support (11) and the pipeline (13) are positioned in the limiting device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022368000.0U CN213954526U (en) | 2020-10-22 | 2020-10-22 | Water delivery pipeline for large-span flexible suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022368000.0U CN213954526U (en) | 2020-10-22 | 2020-10-22 | Water delivery pipeline for large-span flexible suspension bridge |
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| Publication Number | Publication Date |
|---|---|
| CN213954526U true CN213954526U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022368000.0U Active CN213954526U (en) | 2020-10-22 | 2020-10-22 | Water delivery pipeline for large-span flexible suspension bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983235A (en) * | 2021-10-31 | 2022-01-28 | 南京苏夏设计集团股份有限公司 | Long-distance bridge-following laying steam pipeline fixing structure and laying method |
-
2020
- 2020-10-22 CN CN202022368000.0U patent/CN213954526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983235A (en) * | 2021-10-31 | 2022-01-28 | 南京苏夏设计集团股份有限公司 | Long-distance bridge-following laying steam pipeline fixing structure and laying method |
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