CN217869949U - Hidden drainage system of steel box girder pedestrian overpass - Google Patents
Hidden drainage system of steel box girder pedestrian overpass Download PDFInfo
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- CN217869949U CN217869949U CN202121829097.9U CN202121829097U CN217869949U CN 217869949 U CN217869949 U CN 217869949U CN 202121829097 U CN202121829097 U CN 202121829097U CN 217869949 U CN217869949 U CN 217869949U
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Abstract
The utility model belongs to the technical field of municipal works, especially, relate to a hidden drainage system of steel box girder pedestrian bridge. Filter screens are embedded in the water drainage holes on the inner side and the outer side of the hollow water retaining seat in the left side of the pedestrian bridge base; the water-permeable filling is arranged in the hollow water retaining seat, the bottom of the hollow water retaining seat is connected with an integrated water conduit, and the lower end of the integrated water conduit is connected with a first water conduit through a switching assembly; a plant carrying platform is arranged on the outer sides of the integrated water diversion pipe and the first water diversion pipe; the first water conduit is connected with the second water conduit, the integrated water conduit is connected with the third water conduit, and the second water conduit and the third water conduit are hidden and arranged inside the box girder section of the ladder way. The integrated drainage system solves the problem of bridge floor ponding at the corners of the bridge floor due to the fact that the number of the drainage openings is small, and meanwhile, the problem of blockage of the drainage holes due to large-diameter sundries is solved, and finally, the integrated drainage pipeline is adopted, so that the efficiency of the drainage system is improved, and the drainage capacity of the bridge floor is effectively improved.
Description
Technical Field
The utility model belongs to the technical field of municipal works, especially, relate to a hidden drainage system of steel box girder pedestrian bridge.
Background
With the rapid development of cities, pedestrian overpasses have become necessary public infrastructures for safe travel of pedestrians, traffic jam and safety accidents caused by the conflict between pedestrian flow and traffic flow are avoided, and the pedestrian overpasses are widely applied to city construction, particularly to the construction of extra-large cities. The steel box girder is used as a structural form of a bridge, is widely applied to the construction of urban pedestrian overpasses, and has the advantages that: light dead weight, convenient construction, less pollution, high reliability, excellent earthquake resistance and the like.
Through investigation, in most urban pedestrian overpasses, particularly in areas with high rainfall, such as the middle part and the south part, in rainy days, the accumulated water on the bridge floor of the urban pedestrian overpass is serious, and a drainage system of the bridge cannot effectively and timely drain rainwater into a road drainage system. In the past, the durability of the bridge-related member was affected to some extent. Meanwhile, most of the drainage facilities of the urban pedestrian overpass are hung outside the steel box girder, so that the urban pedestrian overpass visually brings a feeling of influencing urban landscape.
SUMMERY OF THE UTILITY MODEL
Aiming at solving the problems of the defects and the shortcomings of the prior art; an object of the utility model is to provide a simple structure, reasonable in design, convenient to use's steel box girder pedestrian overpass hide drainage system, this drainage system has solved city pedestrian overpass bridge floor ponding and because of the pleasing to the eye problem of city pedestrian overpass that drainage facility caused.
In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a pedestrian bridge base, a hollow water retaining seat, a filter screen, water permeability filling, fixed angle iron, an integrated water conduit, a first water conduit, a switching assembly, a plant carrying platform, a second water conduit and a third water conduit; a hollow water retaining seat is arranged on the left side of the pedestrian bridge base, and filter screens are embedded in water drainage holes on the inner side and the outer side of the hollow water retaining seat; the water-permeable filling is arranged inside the hollow water-retaining seat, the bottom of the hollow water-retaining seat is connected with an integrated water diversion pipe, and the integrated water diversion pipe is fixed on the pedestrian bridge base through a fixed angle iron; the lower end of the integrated water conduit is connected with a first water conduit through a switching assembly; a plant carrying platform is arranged on the outer sides of the integrated water diversion pipe and the first water diversion pipe; the first water conduit is connected with the second water conduit, the integrated water conduit is connected with the third water conduit, and the second water conduit and the third water conduit are hidden and arranged inside the box girder section of the ladder way.
Preferably, the adapter assembly consists of an adapter rotary seat and an adapter pipeline.
Preferably, the plant carrying platform is arranged on the outer side of a cantilever of the full-bridge main beam and is provided with 1% -3% of longitudinal gradient, the center line of the platform is the highest, the ladder way side is the lowest, the two sides of the plant carrying platform are symmetrically arranged, and the tail end of the plant carrying platform is connected with the second water conduit through the switching assembly.
Preferably, the first water conduit is fixed at the inner side of the bottom of the plant platform deck through a fixing pipe clamp, and the first water conduit and the plant platform deck keep the same gradient.
Preferably, the pedestrian bridge base is arranged in a one-way 1% transverse slope mode, and the full-bridge drainage system drains water on one side.
Preferably, the tail ends of the second water diversion pipe and the third water diversion pipe are connected with a municipal rainwater well or a municipal sewage pipeline.
After the structure is adopted, the utility model discloses beneficial effect does: it adopts logical formula discharge outlet in traditional city steel box girder pedestrian overpass drainage system's laying, has solved the bridge floor corner because of the bridge floor ponding problem that the discharge outlet number is less causes, the discharge outlet inboard has set up the water permeability material simultaneously for secondary filter bridge floor rainwater, stopped the discharge outlet jam problem because of heavy-calibre debris cause, adopt the integration drainage pipeline at last, promoted this drainage system's efficiency, increased bridge floor drainage ability effectively.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial enlarged view of the drainage system of the present invention;
fig. 3 is a schematic structural diagram of the adapter assembly 8 according to the present invention;
FIG. 4 is a schematic side view of the drain line of the present invention;
FIG. 5 is a top view of the pipeline connection of the ladder way of the present invention;
description of reference numerals: pedestrian bridge base 1, cavity manger plate seat 2, filter screen 3, water permeability fill 4, fixed angle bar 5, integration inlet pipe 6, first inlet pipe 7, switching subassembly 8, plant microscope carrier 9, second inlet pipe 10, third inlet pipe 11, fixed pipe strap 12.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.
Referring to fig. 1 to 5, the following technical solutions are adopted in the present embodiment: the water-retaining device comprises a pedestrian bridge base 1, a hollow water-retaining seat 2, a filter screen 3, water-permeable fillers 4, fixed angle irons 5, an integrated water conduit 6, a first water conduit 7, a switching assembly 8, a plant carrying platform 9, a second water conduit 10 and a third water conduit 11; a hollow water retaining seat 2 is arranged on the left side of the pedestrian bridge base 1, and filter screens 3 are embedded in water drainage holes on the inner side and the outer side of the hollow water retaining seat 2; the inside of the hollow water retaining seat 2 is provided with a water permeable filling 4, the bottom of the hollow water retaining seat 2 is connected with an integrated water conduit 6, and the integrated water conduit 6 is fixed on the pedestrian bridge base 1 through a fixed angle iron 5; the lower end of the integrated water conduit 6 is connected with a first water conduit 7 through a switching assembly 8; and the plant carrying platform 9 is arranged on the outer sides of the integrated water conduit 6 and the first water conduit 7; the first water conduit 7 is connected with the second water conduit 10, the integrated water conduit 6 is connected with the third water conduit 11, and the second water conduit 10 and the third water conduit 11 are hidden and arranged inside the section of the box girder of the ladder way.
The adapter assembly 8 consists of an adapter rotary seat 81 and an adapter pipeline 82; the plant carrying platform 9 is arranged on the outer side of a cantilever of the full-bridge main beam, is provided with a longitudinal gradient of 1% -3%, is symmetrically arranged on two sides with the center line of the bridge platform as the highest and the side of the ladder way as the lowest, and the tail end of the plant carrying platform 9 is connected with the second water conduit 10 through the switching assembly 8; rainwater which flows into the first water conduit 7 from the bridge deck and flows into the plant carrying platform 9 from the rain shed can be discharged conveniently; the fixed pipe clamp 12 is made of galvanized flat steel. The plant carrying platform 9 is formed by welding two steel plates with the thickness of 16mm in an angle of 120 degrees, is arranged on the outer side of a cantilever of a full-bridge girder, and the outermost side of the plant carrying platform is smaller than the distance of the outermost side of the canopy; the first water conduit 7 is fixed at the inner side of the bottom of the plant carrying platform 9 through a fixed pipe clamp 12, and keeps the same gradient with the plant carrying platform 9. The tail ends of the second water diversion pipe 10 and the third water diversion pipe 11 are connected with a municipal rainwater well or a municipal sewage pipeline.
Further, the pedestrian bridge base 1 is arranged in a one-way 1% transverse gradient mode, and the full-bridge drainage system is used for single-side drainage. The water permeability inside the hollow water retaining seat 2 is filled 4, the upper surface cross slope and the bridge deck cross slope keep the same gradient. The lower side of the water permeable packing 4 is provided with support members arranged at equal intervals.
Further, fixed angle bar 5 adopt 5mm thick conventional specification, specifically refer to bridge length and decide, fixed angle bar 5 lays in filter screen 3 downside, and 5 one side welding of fixed angle bar are on the girder, are used for protecting the bridge deck pavement on the one hand, are used for the peripheral hardware welding on the other hand.
Furthermore, drainage pipelines (the second water conduit 10 and the third water conduit 11) for diversion uniformly adopt 10mm-20mm, materials are uniformly PVC pipes, and the sizes of the integrated water conduit 6 and the first water conduit 7 need to be customized according to different bridge sizes.
The working principle of the specific embodiment is as follows: firstly, rainwater on the bridge floor flows to the left side under the gradient action of 1% of the bridge floor, enters the hollow water retaining seat 2 after being filtered by the filter screen 3 on the surface of the inner side through-drainage type drainage hole, and then permeates the interior of the integrated water diversion pipe 6 after being secondarily filtered by the water permeability filling 4; rainwater in the integrated water conduit 6 mainly flows downwards into the first water conduit 7; and discharged through the second water conduit 10 at the end of the first water conduit 7; when the rainfall is overlarge and the first water conduit 7 is saturated, the rainwater in the integrated water conduit 6 is directly discharged through the third water conduit 11 at the tail end; rainwater falling from the ceiling of the pedestrian bridge drops inside the plant stage 9 and enters the filter screen 3 on the surface of the through drain hole outside the hollow water deflector 2 to be guided, filtered and drained.
After the structure is adopted, the utility model discloses beneficial effect does: it adopts logical formula discharge outlet in traditional city steel box girder pedestrian overpass drainage system's laying, has solved the bridge floor corner because of the bridge floor ponding problem that the discharge outlet number is less causes, the discharge outlet inboard has set up the water permeability material simultaneously for secondary filter bridge floor rainwater, stopped the discharge outlet jam problem because of heavy-calibre debris cause, adopt the integration drainage pipeline at last, promoted this drainage system's efficiency, increased bridge floor drainage ability effectively.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. The utility model provides a hidden drainage system of steel box girder pedestrian overpass which characterized in that: the water-retaining device comprises a pedestrian bridge base (1), a hollow water-retaining seat (2), a filter screen (3), water-permeable fillers (4), fixed angle irons (5), an integrated water conduit (6), a first water conduit (7), a switching assembly (8), a plant carrying platform (9), a second water conduit (10) and a third water conduit (11); a hollow water retaining seat (2) is arranged on the left side of the pedestrian bridge base (1), and filter screens (3) are embedded in water drainage holes on the inner side and the outer side of the hollow water retaining seat (2); the water permeable filling (4) is arranged inside the hollow water retaining seat (2), the bottom of the hollow water retaining seat (2) is connected with an integrated water conduit (6), and the integrated water conduit (6) is fixed on the pedestrian bridge base (1) through a fixed angle iron (5); the lower end of the integrated water conduit (6) is connected with a first water conduit (7) through a switching assembly (8); a plant carrying platform (9) is arranged on the outer sides of the integrated water conduit (6) and the first water conduit (7); the first water conduit (7) is connected with the second water conduit (10), the integrated water conduit (6) is connected with the third water conduit (11), and the second water conduit (10) and the third water conduit (11) are hidden and arranged inside the box girder section of the ladder way.
2. The hidden drainage system of the steel box girder pedestrian overpass of claim 1, characterized in that: the switching assembly (8) consists of a switching rotary seat (81) and a switching pipeline (82).
3. The hidden drainage system of the steel box girder pedestrian overpass of claim 1, wherein: plant microscope carrier (9) establish in the full-bridge girder cantilever outside, and be equipped with 1% -3% vertical slope to the abutment central line is the highest, and the ladder way side is minimum, bilateral symmetry arranges, plant microscope carrier (9) end is connected with second leading water pipe (10) through adapter assembly (8).
4. The hidden drainage system of the steel box girder pedestrian overpass of claim 1, characterized in that: the first water guide pipe (7) is fixed on the inner side of the bottom of the plant carrying platform (9) through a fixed pipe clamp (12) and keeps the same gradient with the plant carrying platform (9).
5. The hidden drainage system of the steel box girder pedestrian overpass of claim 1, characterized in that: the pedestrian bridge base (1) is arranged in a one-way 1% transverse slope mode, and a full-bridge drainage system drains water on one side.
6. The hidden drainage system of the steel box girder pedestrian overpass of claim 1, wherein: the tail ends of the second water conduit (10) and the third water conduit (11) are connected with a municipal rainwater well or a municipal sewage pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829097.9U CN217869949U (en) | 2021-08-06 | 2021-08-06 | Hidden drainage system of steel box girder pedestrian overpass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121829097.9U CN217869949U (en) | 2021-08-06 | 2021-08-06 | Hidden drainage system of steel box girder pedestrian overpass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217869949U true CN217869949U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121829097.9U Active CN217869949U (en) | 2021-08-06 | 2021-08-06 | Hidden drainage system of steel box girder pedestrian overpass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217869949U (en) |
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2021
- 2021-08-06 CN CN202121829097.9U patent/CN217869949U/en active Active
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