CN223921985U - Bridge deck longitudinal drainage structure - Google Patents
Bridge deck longitudinal drainage structureInfo
- Publication number
- CN223921985U CN223921985U CN202520145131.2U CN202520145131U CN223921985U CN 223921985 U CN223921985 U CN 223921985U CN 202520145131 U CN202520145131 U CN 202520145131U CN 223921985 U CN223921985 U CN 223921985U
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- Prior art keywords
- collecting tank
- pipe
- water
- bridge deck
- water collecting
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Abstract
本实用新型涉及排水设施的技术领域，特别是涉及一种桥梁桥面纵向排水结构；其保证排水顺畅性的同时，对小颗粒石子等进行集中截留，减少排水管道堵塞情况发生的同时提高小颗粒石子清理便捷性；包括集污池、第一连通管、竖向排水管和沿桥梁纵向布置的集水槽，所述集水槽上铺设有雨水箅子，所述第一连通管的一端伸入至集污池内上部，所述第一连通管的另一端伸入至集水槽内，所述竖向排水管的顶部自集污池底部伸入至集污池内，所述竖向排水管的顶部安装有罩帽，所述罩帽的内径大于竖向排水管的外径，所述罩帽的底部低于竖向排水管的顶部，所述罩帽内壁和竖向排水管外壁之间形成环形进流通道。
This utility model relates to the technical field of drainage facilities, and in particular to a longitudinal drainage structure for bridge decks. It ensures smooth drainage while centrally intercepting small pebbles, reducing drainage pipe blockage and improving the ease of cleaning small pebbles. It includes a sludge collection tank, a first connecting pipe, a vertical drainage pipe, and a water collection trough arranged longitudinally along the bridge. A rain grate is laid on the water collection trough. One end of the first connecting pipe extends into the upper part of the sludge collection tank, and the other end extends into the water collection trough. The top of the vertical drainage pipe extends from the bottom of the sludge collection tank into the tank. A cap is installed on the top of the vertical drainage pipe, the inner diameter of which is larger than the outer diameter of the vertical drainage pipe, and the bottom of which is lower than the top of the vertical drainage pipe. An annular inflow channel is formed between the inner wall of the cap and the outer wall of the vertical drainage pipe.
Description
Technical Field
The utility model relates to the technical field of drainage facilities, in particular to a bridge deck longitudinal drainage structure.
Background
As is well known, in order to rapidly remove accumulated water on a bridge deck, rainwater is prevented from being accumulated on the bridge deck and penetrating into a beam body to affect the durability of the bridge, a longitudinal and transverse slope drainage system is required to be arranged on the bridge deck in the design of the bridge, the transverse slope drainage mainly depends on the slope angle of the bridge deck to realize the drainage of the rainwater into the longitudinal drainage systems on two sides, and the longitudinal drainage system collects the rainwater and then concentrates and outwards drains the rainwater.
The utility model discloses a longitudinal drainage device for a bridge, which comprises a longitudinal drain pipe pre-buried at the bottom of a bridge guardrail, wherein a plurality of water collecting tanks with downward inclined bottoms are arranged on a bridge deck close to the longitudinal drain pipe at intervals, the water collecting tanks are communicated with the longitudinal drain pipe through transverse connecting pipes, and a grate plate is arranged at a water inlet of each transverse connecting pipe. In order to facilitate rainwater to collect in, the water collecting tank is of a horn-shaped structure with a large inlet and a small outlet. In order to avoid water accumulation in the water collecting tank, the lowest point of the water collecting tank is not lower than the lowest point of the transverse connecting pipe. In order to facilitate replacement, the grate plate is screwed on the vertical face of the bridge guardrail.
However, when the device is implemented, the defects that the grating plate can filter and intercept sundries such as broken stones and fallen leaves, but partial small particles or fallen leaves enter the pipeline to easily cause blockage of the pipeline are found, and the aperture on the grating plate needs to be synchronously reduced to reduce the entry of small particles, thereby affecting the drainage smoothness of rainwater, easily causing water accumulation on the bridge floor and having certain use limitation are found.
Disclosure of utility model
(One) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the bridge deck longitudinal drainage structure which can ensure the smoothness of drainage, simultaneously concentrate and intercept small particle stones and the like, reduce the occurrence of blockage of a drainage pipeline and improve the convenience of cleaning the small particle stones.
(II) technical scheme
In order to achieve the purpose, the technical scheme is that the bridge deck longitudinal drainage structure comprises a sewage collecting tank, a first communication pipe, a vertical drain pipe and a water collecting tank which is longitudinally arranged along a bridge, wherein a rainwater grate is paved on the water collecting tank, one end of the first communication pipe stretches into the upper part in the sewage collecting tank, the other end of the first communication pipe stretches into the water collecting tank, the top of the vertical drain pipe stretches into the sewage collecting tank from the bottom of the sewage collecting tank, a cover cap is arranged at the top of the vertical drain pipe, the inner diameter of the cover cap is larger than the outer diameter of the vertical drain pipe, the bottom of the cover cap is lower than the top of the vertical drain pipe, an annular inflow channel is formed between the inner wall of the cover cap and the outer wall of the vertical drain pipe, and the height of the communication position of the first communication pipe and the sewage collecting tank is at least 0.4m higher than the top of the cover cap.
Preferably, the water collecting tanks are two groups, and the two groups of water collecting tanks are symmetrically arranged on two sides of the sewage collecting tank.
Preferably, the vertical drain pipe is provided with a venturi tube and a second communicating tube, one end of the second communicating tube extends into a throat part on the venturi tube, the other end of the second communicating tube extends into one side of the water collecting tank, which is close to the sewage collecting tank, from the bottom in the water collecting tank, and further, the communicating position of the first communicating tube and the water collecting tank is higher than the communicating position of the second communicating tube and the water collecting tank.
Preferably, the water inlet of the second communicating pipe is flush with the inner bottom wall of the water collecting tank, and the water inlet of the second communicating pipe is provided with a floor drain.
Preferably, one end of the inner bottom wall of the water collecting tank, which is far away from the sewage collecting tank, is higher than one end of the inner wall of the water collecting tank, which is close to the sewage collecting tank.
Preferably, the inner wall of the sewage collecting tank is fixedly provided with a supporting frame, a filter basket is placed at the supporting frame, a lifting rod is fixedly installed in the middle of the filter basket, the top of the sewage collecting tank is hinged with a sealing cover allowing water to flow through, further, the sealing cover can adopt a hollowed-out cover, a grid cover or a fence rod type cover, so that part of rainwater directly enters the sewage collecting tank through an upper port of the sewage collecting tank through the sealing cover, and the filter basket is lower than the communicating position of the first communicating pipe and the sewage collecting tank.
Preferably, the cover cap is provided with a conical shell part, the top of the conical shell part is provided with a horizontal supporting table, the top of the horizontal supporting table is tightly contacted with the bottom of the filter basket, and the cover cap is further positioned below the middle part of the filter basket.
(III) beneficial effects
Compared with the prior art, the bridge deck longitudinal drainage structure has the beneficial effects that the bridge deck longitudinal drainage structure is characterized in that transverse rainwater on the bridge deck is collected intensively through the water collecting tank, the rainwater in the water collecting tank enters the sewage collecting tank through the first communication pipe to settle, small particles in the rainwater are settled intensively to the bottom in the sewage collecting tank under the action of gravity, when the liquid level in the sewage collecting tank is higher than the top of the vertical drainage pipe, sewage in the sewage collecting tank flows into the vertical drainage pipe through the annular inflow channel and forms a siphon effect, the accumulated water in the sewage collecting tank is sucked into the vertical drainage pipe and is discharged outwards, the smoothness of drainage is ensured, and meanwhile, small particle stones and the like are trapped intensively, so that the blocking condition of the drainage pipe is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic top plan view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the structure of FIG. 2 at A-A in accordance with the present utility model;
FIG. 4 is a schematic view of a partially enlarged structure of the present utility model at B in FIG. 3;
FIG. 5 is a schematic view of a partially enlarged structure of FIG. 3C in accordance with the present utility model;
The reference sign is 1, a dirt collecting tank; 2, a first communication pipe, 3, a vertical drain pipe, 4, a water collecting tank, 5, a rainwater grate, 6, a hood, 7, a venturi tube, 8, a second communication pipe, 9, a floor drain, 10, a support, 11, a filter basket, 12, a lifting rod, 13, a sealing cover, 14, a conical shell, 15 and a horizontal support.
Detailed Description
In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings.
The longitudinal drainage device for the bridge, which is disclosed by the background art, has the advantages that the grating plate can filter and intercept sundries such as broken stones and fallen leaves, but still has partial small particle stones or fallen leaves which enter the pipeline to easily cause blockage of the pipeline, and the aperture on the grating plate is required to be synchronously reduced to reduce the entry of small particles, so that the drainage smoothness of rainwater is affected, the bridge floor ponding is easily caused, and the longitudinal drainage device has certain use limitation.
In order to solve the technical problem, the utility model provides a bridge deck longitudinal drainage structure which is applied to bridge deck drainage.
It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
Example 1
Referring to fig. 1-3, a bridge deck longitudinal drainage structure specifically comprises a sewage collecting tank 1, a first communication pipe 2, a vertical drainage pipe 3 and a water collecting tank 4 longitudinally arranged along a bridge, wherein a rainwater grate 5 is paved on the water collecting tank 4, one end of the first communication pipe 2 stretches into the upper part in the sewage collecting tank 1, the other end of the first communication pipe 2 stretches into the water collecting tank 4, the top of the vertical drainage pipe 3 stretches into the sewage collecting tank 1 from the bottom of the sewage collecting tank 1, a hood 6 is arranged at the top of the vertical drainage pipe 3, the inner diameter of the hood 6 is larger than the outer diameter of the vertical drainage pipe 3, the bottom of the hood 6 is lower than the top of the vertical drainage pipe 3, an annular inflow channel is formed between the inner wall of the hood 6 and the outer wall of the vertical drainage pipe 3, and further, the height of the communication position of the first communication pipe 2 and the sewage collecting tank 1 is at least 0.4m higher than the top of the hood 6.
Specifically, referring to fig. 3 and 5, a supporting frame 10 is fixedly installed on the inner wall of the sewage collecting tank 1, a filter basket 11 is placed at the supporting frame 10, a lifting rod 12 is fixedly installed in the middle of the filter basket 11, a sealing cover 13 allowing water to pass through is hinged to the top of the sewage collecting tank 1, further, the sealing cover 13 can be a hollowed-out cover, a grid cover or a bar-type cover, so that part of rainwater directly enters the sewage collecting tank 1 through an upper port of the sewage collecting tank 1 through the sealing cover 13, and the filter basket 11 is lower than the communication position of the first communication pipe 2 and the sewage collecting tank 1.
Specifically, the cover cap 6 is provided with a conical shell part 14, the top of the conical shell part 14 is provided with a horizontal supporting table 15, the top of the horizontal supporting table 15 is in close contact with the bottom of the filter basket 11, and the cover cap 6 is further positioned below the middle of the filter basket 11.
According to the bridge deck longitudinal drainage structure provided by the embodiment, the filtering basket 11 can filter rainwater entering the sewage collecting tank 1 so as to reduce the falling leaves or particles in the rainwater entering the sewage collecting tank 1, when the filtering basket 11 is too much, the sealing cover 13 is opened, an operator holds the lifting rod 12 to remove the filtering basket 11 from the sewage collecting tank 1 and then intensively clean the filtering objects so as to provide convenience for operation, the particles passing through the filtering basket 11 are in contact with the hood 6, the particles can be prevented from directly falling into the vertical drain pipe 3 under the action of the hood 6, when the particles are in contact with the conical shell 14 on the hood 6, the particles slide along the conical shell 14 under the impact of gravity and water flow, so that the particles fall into the position of the inner wall of the sewage collecting tank 1 far away from the vertical drain pipe 3, sedimentation of the particles towards the position of the vertical drain pipe 3 is reduced, siphonage of the particles into the vertical drain pipe 3 is reduced, the horizontal support 15 can support the bottom of the filtering basket 11, and the middle part of the filtering basket 11 is prevented from bearing too much filtering objects and then concaved.
Example 2
For further optimization of the bridge deck longitudinal drainage structure provided in embodiment 1, please refer to fig. 1 or fig. 2 specifically, the water collecting tanks 4 are two groups, and the two groups of water collecting tanks 4 are symmetrically arranged at two sides of the sewage collecting tank 1.
Specifically, referring to fig. 3, the vertical drain pipe 3 is provided with a venturi tube 7 and a second communicating tube 8, one end of the second communicating tube 8 extends into a throat portion on the venturi tube 7, the other end of the second communicating tube 8 extends into one side of the water collecting tank 4 adjacent to the sewage collecting tank 1 from the bottom portion in the water collecting tank 4, and further, the communicating position between the first communicating tube 2 and the water collecting tank 4 is higher than the communicating position between the second communicating tube 8 and the water collecting tank 4.
Specifically, the water inlet port of the second communicating pipe 8 is flush with the inner bottom wall of the water collecting tank 4, and the water inlet end of the second communicating pipe 8 is provided with a floor drain 9.
Specifically, one end of the inner bottom wall of the water collecting tank 4 far away from the sewage collecting tank 1 is higher than one end of the inner wall of the water collecting tank 4 close to the sewage collecting tank 1.
According to the bridge deck longitudinal drainage structure, the water collecting area of the drainage mechanism in the bridge deck longitudinal direction can be increased by the two groups of water collecting grooves 4, rainwater on the bridge deck is discharged outwards, the rainwater in the two water collecting grooves 4 is concentrated by the sewage collecting tank 1 and discharged outwards through the vertical drainage pipe 3, sufficient flow in the vertical drainage pipe 3 is guaranteed, when water flows through the venturi pipe 7, negative pressure is generated at the throat of the venturi pipe 7, water accumulated in the water collecting grooves 4 can be sucked into the vertical drainage pipe 3 through the second communicating pipe 8, excessive accumulation of rainwater in the water collecting grooves 4 is reduced, rainwater is prevented from overflowing the top of the water collecting grooves 4, drainage smoothness in the water collecting grooves 4 is improved, water flow entering the second communicating pipe 8 can be filtered by the floor drain 9, particles are reduced, the bottom wall in the water collecting grooves 4 is inclined towards the sewage collecting tank 1 at a certain slope angle, the particles and the like can be gathered towards the position close to the sewage collecting tank 1 while the drainage smoothness of the water collecting grooves 4 is improved, and the residual rainwater in the water collecting grooves 4 is reduced.
The bridge deck longitudinal drainage structure provided by the utility model has the following using process that transverse rainwater on the bridge deck is collected in a concentrated manner through the water collecting tank 4, the rainwater in the water collecting tank 4 enters the sewage collecting tank 1 through the first communication pipe 2 to be settled, small particles in the rainwater are settled to the inner bottom of the sewage collecting tank 1 in a concentrated manner under the action of gravity, when the liquid level in the sewage collecting tank 1 is higher than the top of the vertical drain pipe 3, sewage in the sewage collecting tank 1 flows into the vertical drain pipe 3 through the annular inflow channel to form a siphon effect, and the accumulated water in the sewage collecting tank 1 is sucked into the vertical drain pipe 3 and then discharged.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, or communicable with each other, directly connected, indirectly connected through an intervening medium, or in communication between two elements or in an interactive relationship between two elements, unless otherwise explicitly specified. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (7)
1. The utility model provides a bridge deck vertical drainage structure, its characterized in that, including dirt collection pond (1), first connecting pipe (2), vertical drain pipe (3) and along bridge vertical arrangement's water catch bowl (4), rainwater grate (5) have been laid on water catch bowl (4), upper portion in dirt collection pond (1) is stretched into to the one end of first connecting pipe (2), the other end of first connecting pipe (2) stretches into in water catch bowl (4), in dirt collection pond (1) bottom stretches into dirt collection pond (1) from the top of vertical drain pipe (3), cap (6) are installed at the top of vertical drain pipe (3), the internal diameter of cap (6) is greater than the external diameter of vertical drain pipe (3), the bottom of cap (6) is less than the top of vertical drain pipe (3), form annular inflow passageway between cap (6) inner wall and the vertical drain pipe (3) outer wall.
2. The bridge deck longitudinal drainage structure according to claim 1, wherein the water collecting tanks (4) are two groups, and the two groups of water collecting tanks (4) are symmetrically arranged at two sides of the sewage collecting tank (1).
3. The bridge deck longitudinal drainage structure according to claim 2, wherein the vertical drain pipe (3) is provided with a venturi tube (7) and a second communicating tube (8), one end of the second communicating tube (8) extends into a throat part on the venturi tube (7), and the other end of the second communicating tube (8) extends into one side, adjacent to the sewage collecting tank (1), in the water collecting tank (4) from the inner bottom of the water collecting tank (4).
4. A bridge deck longitudinal drain according to claim 3, characterized in that the water inlet port of the second communicating pipe (8) is flush with the inner bottom wall of the water collecting sump (4), and the water inlet end of the second communicating pipe (8) is provided with a floor drain (9).
5. The bridge deck longitudinal drainage structure according to claim 2, wherein the end of the inner bottom wall of the water collecting tank (4) far away from the sewage collecting tank (1) is higher than the end of the inner wall of the water collecting tank (4) near to the sewage collecting tank (1).
6. The bridge deck longitudinal drainage structure according to claim 1, wherein a support frame (10) is fixedly arranged on the inner wall of the sewage collecting tank (1), a filter basket (11) is arranged at the support frame (10), a lifting rod (12) is fixedly arranged in the middle of the filter basket (11), and a sealing cover (13) allowing water to flow through is hinged to the top of the sewage collecting tank (1).
7. The bridge deck longitudinal drainage structure according to claim 6, wherein the cap (6) is provided with a cone-shaped shell part (14), the top of the cone-shaped shell part (14) is provided with a horizontal supporting table (15), and the top of the horizontal supporting table (15) is in close contact with the bottom of the filter basket (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520145131.2U CN223921985U (en) | 2025-01-22 | 2025-01-22 | Bridge deck longitudinal drainage structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520145131.2U CN223921985U (en) | 2025-01-22 | 2025-01-22 | Bridge deck longitudinal drainage structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223921985U true CN223921985U (en) | 2026-02-17 |
Family
ID=98759815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520145131.2U Active CN223921985U (en) | 2025-01-22 | 2025-01-22 | Bridge deck longitudinal drainage structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223921985U (en) |
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2025
- 2025-01-22 CN CN202520145131.2U patent/CN223921985U/en active Active
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