CN219011441U - Road surface rainwater drainage system and road surface rainwater drainage unit thereof - Google Patents
Road surface rainwater drainage system and road surface rainwater drainage unit thereof Download PDFInfo
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- CN219011441U CN219011441U CN202320142961.0U CN202320142961U CN219011441U CN 219011441 U CN219011441 U CN 219011441U CN 202320142961 U CN202320142961 U CN 202320142961U CN 219011441 U CN219011441 U CN 219011441U
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Abstract
The utility model discloses a road surface rainwater drainage system and a road surface rainwater drainage unit thereof, wherein the road surface rainwater drainage unit comprises a drainage groove and a filter screen, the drainage groove is provided with a first side wall facing to the road surface side and a second side wall far away from the road surface side, the height of the first side wall is lower than that of the second side wall, the upper ends of the first side wall and the second side wall horizontally extend towards the road surface side to form a first transverse wall and a second transverse wall, and a gap between the first transverse wall and the second transverse wall forms a drainage outlet; the filter screen is matched with the shape of the water outlet, and is arranged in the water outlet. According to the utility model, the water outlet is of an open structure with two open ends, the die is simple to manufacture, the water discharge amount is increased, and the road surface water accumulation during large rainfall can be avoided; in addition, the outlet protrudes out of the first side wall of the groove body, the vertical precision of the drainage groove can be guaranteed by directly pressing the first side wall of the groove body on a paved road surface, construction is convenient, a gap between the bottom surface of the outlet and the road surface is small, the workload of cement joint filling is small, and construction efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of pavement rainwater drainage systems, in particular to a pavement rainwater drainage system and a pavement rainwater drainage unit thereof.
Background
Urban road surfaces are mostly cement concrete road surfaces and asphalt concrete road surfaces, and the water permeability is poor. In order to prevent water accumulation and quickly drain road surface rainwater, and maintain normal traffic and safety of vehicles and pedestrians, the road is provided with a road surface rainwater drainage system.
The existing road surface rainwater drainage system is characterized in that drainage ditches are dug out on two sides of a road generally, strip-shaped iron grates are paved on the drainage ditches, the design that the drainage ditches and the iron grates occupy the road surface, wheels and pedestrians are pressed on the road surface, damage is easily caused, the service life is low, and the maintenance cost is high.
For this reason, chinese patent No. CN 112999726B discloses a rainwater drainage unit for municipal road surface, which comprises a road and blocking blocks arranged on both sides of the road, wherein the blocking blocks are arranged along the length direction of the road in an array, the blocking blocks are provided with cavities penetrating through both ends of the blocking blocks, one side of the blocking block close to the road is provided with a water outlet, the water outlet is communicated with the cavities, and one side of the water outlet close to the road is provided with a filtering grid. This scheme sets up the outlet in the side of backstop piece, no longer occupies the road surface, however, this scheme has following problem:
first, the outlet digs out in the side of blocking the piece, and the interval sets up, and is in small quantity, is difficult to handle the problem of road surface ponding when rainfall precipitation is big.
Second, the drain is flush with the road surface and the filter grid is inconvenient to install and replace.
Thirdly, the blocking block structure is not reasonable enough, and the construction quality and the drainage performance are required to be further improved.
In view of this, there is a need for improvements in existing road surface rainwater drainage systems to improve drainage performance, facilitate installation of the filter grid, and improve construction efficiency and quality.
Disclosure of Invention
In order to overcome the defects, the technical problem to be solved by the utility model is to provide a road surface rainwater drainage system and a road surface rainwater drainage unit thereof, so as to solve the problems that the installation of a filtering grid in the prior art is inconvenient, and the drainage performance, the construction efficiency and the construction quality are to be further improved.
To this end, the present utility model provides a pavement rainwater drainage unit comprising:
the drainage tank comprises a tank body, wherein the tank body is a U-shaped tank with an upward opening, the U-shaped tank is provided with a first side wall facing a road surface side and a second side wall far away from the road surface side, the height from the first side wall to the bottom surface of the tank body is lower than the height from the second side wall to the bottom surface of the tank body, the upper end of the first side wall horizontally extends towards the road surface side to form a first transverse wall, the upper end of the second side wall horizontally extends towards the road surface side to form a second transverse wall, and a gap between the first transverse wall and the end part of the second transverse wall forms a drainage outlet; a bottom plate is arranged on the bottom surface of the groove body, and is in a horizontal plate shape;
the filter screen is matched with the shape of the water outlet and is arranged in the water outlet.
In the above technical solution, preferably, an end face of the second transverse wall is flush with an end face of the first transverse wall.
In the above technical solution, preferably, the first side wall and the second side wall are respectively perpendicular to the bottom plate, the outer arc surface of the groove body is tangent to the bottom plate, and the intersection of the top surface of the bottom plate and the outer arc surface of the groove body is in arc transition connection.
In the above technical solution, preferably, the outer end surface of the filter screen is flush with the outer end surface of the drain outlet, and the filter screen is provided with a strip-shaped through hole longitudinally arranged.
In the above technical solution, preferably, two ends of the bottom plate are flush with outer side surfaces of the first side wall and the second side wall.
In the above technical solution, preferably, a positioning step is respectively provided on the top surface of the first transverse wall and the bottom surface of the second transverse wall, the filter screen is installed in the drain outlet, and the inner end surface abuts against the positioning step.
In the above technical solution, preferably, grooves and ribs that are mutually inserted and matched are provided on two side end surfaces of the drainage groove.
The utility model also provides a road surface rainwater drainage system, which comprises drainage ditches arranged on two sides of a road surface, wherein the drainage ditches are formed by sequentially splicing a plurality of road surface rainwater drainage units end to end, the top surface of each drainage ditch is paved with a road tooth stone, and the road surface rainwater drainage units are the road surface rainwater drainage units.
In the above-described aspect, preferably, a bottom surface of the drain opening is pressed against the road surface.
In the above technical solution, preferably, a bottom edge of the filter screen is higher than the road surface.
According to the technical scheme, the road surface rainwater drainage system and the road surface rainwater drainage unit thereof provided by the utility model solve the problem that the drainage performance, construction quality and drainage performance of the prior art are to be further improved. Compared with the prior art, the utility model has the following beneficial effects:
firstly, the drainage tank is adopted to splice the combined structure, and the construction efficiency is high.
And the water outlet is formed by a gap between the first transverse wall and the second transverse wall, is of an open structure with two open ends, and is simple in die manufacture. After the drainage grooves are assembled and combined, the filter screen is equal to the drainage grooves in length, the strip-shaped integral road surface rainwater drainage units are formed along the road surface, the drainage outlet is consistent with the length of the road surface, the drainage amount is increased, and the road surface ponding during large rainfall can be avoided.
Thirdly, the outlet protrudes out of the first side wall of the groove body, a step is formed on the bottom surface of the outlet, after the groove body is placed in the groove, the step formed by the outlet is directly pressed on the paved road surface, so that the vertical precision of the drainage groove can be guaranteed, the construction is convenient, and the requirements on constructors are low. In addition, the gap between the drainage groove and the road surface is small in the gap between the bottom surface of the drainage opening and the road surface, the workload of cement caulking is small, the construction efficiency is improved, and the construction period is shortened.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will make brief description and illustrations of the drawings used in the description of the embodiments of the present utility model or the prior art. It is obvious that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of a pavement rainwater drainage system provided by the utility model;
FIG. 2 is a cross-sectional view of the pavement rainwater drainage system provided by the utility model;
FIG. 3 is a schematic diagram of a pavement rainwater drainage unit according to the present utility model;
FIG. 4 is a schematic view showing an exploded construction of the pavement rainwater drainage unit according to the present utility model;
FIG. 5 is a cross-sectional view of a drain tank according to the present utility model;
fig. 6 is a schematic view of a reinforcement cage according to the present utility model.
In fig. 1 to 6, the correspondence of the components is as follows:
the road surface rainwater drainage system comprises a drainage ditch 1, a road surface 2, a road surface rainwater drainage unit 3 and a curb stone 4;
a drainage tank 30, a filter screen 40 and a reinforcement cage 50;
the device comprises a groove body 31, a first side wall 32, a second side wall 33, a first transverse wall 34, a second transverse wall 35, a water outlet 36, a bottom plate 37, a positioning step 38 and a groove 39;
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without making any inventive effort are intended to fall within the scope of the present utility model.
In order to make the explanation and the description of the technical solution and the implementation of the present utility model clearer, several preferred embodiments for implementing the technical solution of the present utility model are described below.
In this document, the terms "inner, outer", "front, rear", and "left, right" are expressions based on the usage status of the product, and it is apparent that the usage of the corresponding terms does not limit the scope of the present solution.
Referring to fig. 1, fig. 1 is a schematic diagram of a road surface rainwater drainage system provided by the present utility model, and fig. 2 is a cross-sectional view of a road surface rainwater drainage system provided by the present utility model.
As shown in fig. 1 and 2, the road surface rainwater drainage system provided by the utility model comprises drainage ditches 1 arranged on two sides of a road surface 2, wherein the drainage ditches 1 are formed by sequentially splicing a plurality of road surface rainwater drainage units 3 end to end, and a road tartar 4 is paved on the top surface of the drainage ditches 1.
As shown in fig. 3 and 4, the road surface rainwater drainage unit includes a drainage tank 30 and a filter screen 40, and the drainage tank 30 is an integrally formed structure.
As shown in fig. 5, the drain tank 30 includes a tank body 31, the tank body 31 is a U-shaped tank with an upward opening, the tank body 31 (U-shaped tank) has a first side wall 32 facing the road surface side and a second side wall 33 facing away from the road surface side, the height from the first side wall 32 to the bottom surface of the tank body 31 is lower than the height from the second side wall 33 to the bottom surface of the tank body 31, the upper end of the first side wall 32 extends horizontally toward the road surface side to form a first lateral wall 34, the upper end of the second side wall 33 extends horizontally toward the road surface side to form a second lateral wall 35, and the end face of the second lateral wall 35 is flush with the end face of the first lateral wall 34. The gap between the ends of the first and second cross walls 34, 35 forms a drain opening 36.
The bottom surface of the tank body 31 is provided with a bottom plate 37, and the bottom plate 37 is in a horizontal plate shape. The first side wall 32 and the second side wall 33 are respectively perpendicular to the bottom plate 37, the outer arc surface of the groove body 31 is tangent to the bottom plate 37, and the intersection of the bottom plate 37 and the outer arc surface of the groove body 31 is in arc transition connection. Both ends of the bottom plate 37 are flush with the outer side surfaces of the first side wall 32 and the second side wall 33.
The filter screen 40 is shape-fitted with the drain opening 36 and is installed in the drain opening 36, with the outer end surface of the filter screen 40 being flush with the outer end surface of the drain opening 36. The filtering net 40 is provided with a longitudinal strip-shaped through hole for rainwater to flow through and filtering sundries. The top surface of the first transverse wall 34 and the bottom surface of the second transverse wall 35 are respectively provided with a positioning step 38, the filter screen 40 is arranged in the water outlet 36, and the inner end surface of the filter screen 40 is abutted against the positioning steps 38, so that the filter screen 40 is convenient to install and replace.
Referring to fig. 3 and 4 again, grooves and ribs which are mutually inserted and matched are formed on two side end surfaces of the drainage groove 30, for example, a groove 39 is formed on one side, a rib which is matched with the groove 39 is formed on the other side, and the rib and the groove are used for splicing and combining two adjacent drainage grooves 30. On the one hand, the assembly is convenient, on the other hand also makes a plurality of water drainage grooves form wholly, avoids individual water drainage grooves to produce displacement or deformation because of the road surface subsides, bumps into etc. in the use, causes the filter screen to warp, influences the drainage effect, inconvenient change.
In the utility model, the tank body 31 is designed into a U-shaped groove form, and rainwater entering through the filter screen 40 can quickly slide down to the bottom of the tank along the tank body 31 and flow along the tank body 31.
Traditional road surface rainwater drainage unit, the filter screen is usually parallel and level with the lateral wall surface of water drainage tank towards the road surface, and when the water drainage tank was installed in the slot, because the perpendicular precision of water drainage tank is more difficult to control, the width of slot is great, and the gap is great after the water drainage tank installation, and cement caulking's work load is big, and is higher to constructor's requirement, and construction cycle is long, and construction cost is high. According to the scheme of the utility model, the water outlet 36 protrudes out of the first side wall 32, the first transverse wall 34 of the water outlet 36 forms a step, after the groove body 31 is placed in the groove, the step formed by the water outlet 36 is directly pressed on a paved road surface, so that the vertical precision of the water outlet groove can be ensured, the construction is convenient, and the requirement on constructors is low. In addition, the gap between the drain groove and the road surface is the gap between the bottom surface of the drain opening 36 and the road surface, and the road surface has high flatness, so the gap is small, the workload of cement caulking is small, the construction efficiency is improved, and the construction period is shortened.
In addition, the utility model changes the traditional design of digging a filter screen mounting opening on the side wall of the drainage tank, the drainage opening 36 is formed by the first transverse wall 34 and the second transverse wall 35, and is of an open structure with two open ends, and the die is simple to manufacture. After the drainage grooves are assembled and combined, the strip-shaped integral pavement rainwater drainage units are formed along the pavement, so that the drainage amount is increased, and the pavement ponding during large rainfall can be avoided.
In the present utility model, the drain tank 30 may be prefabricated and formed of resin or concrete, wherein concrete is preferably prefabricated and a reinforcement cage is provided to improve strength.
As shown in fig. 5, the reinforcement cage 50 includes a bottom plate reinforcement 51 and a channel reinforcement 52, and the bottom plate reinforcement 52 is bound into a rectangular grid shape. The tank reinforcing bars 52 include longitudinal reinforcing bars 521 which are adapted to the sectional shape of the tank, and a plurality of the longitudinal reinforcing bars 521 are arranged at intervals and are fixedly connected by a plurality of transverse reinforcing bars 522, and the lower parts of the longitudinal reinforcing bars 521 are fixedly connected with the bottom plate reinforcing bars 51.
The construction method of the utility model comprises the following steps:
firstly, digging grooves on two sides of a compacted road, putting single groove bodies 31 into the grooves, pressing a water outlet 36 on the road surface, sequentially splicing and combining the groove bodies 31, filling gaps between the water outlet 36 and the road surface with cement, and finally installing a filter screen 40.
In the utility model, the end or the middle part of the drainage ditch 1 is provided with the reservoir, and rainwater is collected into the reservoir through the drainage outlet of each road surface rainwater drainage unit, so that the reservoir can be used as urban landscaping water, and the secondary utilization of the rainwater is realized.
The utility model is oriented to the development trend of future smart cities, the water outlet is arranged below the curbstone, the length of the water outlet is completely consistent with the length of the road surface, no dead angle is formed in accumulated water on the road surface, the water inlet of the drainage pipeline has a filtering function, rainwater is ensured to flow into the drainage pipe network after being filtered, the phenomenon that the drainage flow is influenced by excessive sludge of the drainage pipeline for a long time is prevented, a water pool is arranged at the terminal after the rainwater flows into the drainage pipeline, and the filtered rainwater is used as urban landscaping water.
By combining the description of the specific embodiments, the road surface rainwater drainage system and the road surface rainwater drainage unit provided by the utility model have the following advantages compared with the prior art:
firstly, adopt hidden U type pipeline, standardized one shot forming, can splice the combination, the efficiency of construction is high.
And the water outlet is formed by a gap between the first transverse wall and the second transverse wall, is of an open structure with two open ends, and is simple in die manufacture. After the drainage grooves are assembled and combined, the filter screen is equal to the drainage grooves, the strip-shaped integral road surface rainwater drainage units are formed along the road surface, the height of the water leakage gap is about 20mm, the drainage amount is increased at the bottom of the roadside steps, and the road surface ponding during large rainfall can be avoided.
Thirdly, the outlet protrudes out of the first side wall of the groove body, a step is formed on the bottom surface of the outlet, after the groove body is placed in the groove, the step formed by the outlet is directly pressed on the paved road surface, so that the vertical precision of the drainage groove can be guaranteed, the construction is convenient, and the requirements on constructors are low. In addition, the gap between the drainage groove and the road surface is small in the gap between the bottom surface of the drainage opening and the road surface, the workload of cement caulking is small, the construction efficiency is improved, and the construction period is shortened.
Fourth, the bottom plate that sets up on the bottom surface of cell body places the bottom plate in the slot on the one hand, and the bottom surface and the laminating of slot bottom surface of bottom plate conveniently control the straightness that hangs down of cell body, on the other hand, between the sand stone can be filled bottom plate and cell body lower part extrados, make the cell body fixed more firm.
Fifth, the water outlet presses on the road surface, the filter screen covers the water leakage seam, play the filtering effect of leaking, the base of the filter screen is higher than the road surface, make things convenient for the installation and the change of filter screen. The method is suitable for new city construction and old city transformation.
Finally, it is also noted that the terms "comprises," "comprising," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can learn the structural changes made under the teaching of the present utility model can fall within the scope of the present utility model if the present utility model has the same or similar technical solutions.
Claims (10)
1. A pavement rainwater drainage unit, comprising:
the drainage tank comprises a tank body, wherein the tank body is a U-shaped tank with an upward opening, the U-shaped tank is provided with a first side wall facing a road surface side and a second side wall far away from the road surface side, the height from the first side wall to the bottom surface of the tank body is lower than the height from the second side wall to the bottom surface of the tank body, the upper end of the first side wall horizontally extends towards the road surface side to form a first transverse wall, the upper end of the second side wall horizontally extends towards the road surface side to form a second transverse wall, and a gap between the first transverse wall and the end part of the second transverse wall forms a drainage outlet; a bottom plate is arranged on the bottom surface of the groove body, and is in a horizontal plate shape;
the filter screen is matched with the shape of the water outlet and is arranged in the water outlet.
2. The pavement rainwater drainage unit of claim 1, wherein an end surface of the second transverse wall is flush with an end surface of the first transverse wall.
3. The pavement rainwater drainage unit according to claim 1, wherein the first side wall and the second side wall are perpendicular to the bottom plate respectively, the outer arc surface of the groove body is tangent to the bottom plate, and the intersection of the top surface of the bottom plate and the outer arc surface of the groove body is in arc transition connection.
4. The pavement rainwater drainage unit according to claim 1, wherein the outer end surface of the filter screen is flush with the outer end surface of the drainage outlet, and the filter screen is provided with a longitudinally arranged strip-shaped through hole.
5. The pavement rainwater drainage unit of claim 1, wherein the two ends of the bottom plate are flush with the outer side surfaces of the first and second side walls.
6. The pavement rainwater drainage unit according to claim 1, wherein the top surface of the first transverse wall and the bottom surface of the second transverse wall are respectively provided with a positioning step, the filter screen is installed in the water outlet, and the inner end surface abuts against the positioning step.
7. The pavement rainwater drainage unit according to claim 1, wherein grooves and ribs which are mutually inserted and matched are arranged on two side end faces of the drainage groove.
8. The utility model provides a road surface rainwater drainage system, includes the escape canal that sets up in the road surface both sides, the escape canal comprises a plurality of road surface rainwater drainage units concatenation in proper order from beginning to end, lay a way tartar on the top surface of escape canal, its characterized in that, road surface rainwater drainage unit is the road surface rainwater drainage unit of any one of claims 1-7.
9. The system of claim 8, wherein a bottom surface of the drain opening presses against the road surface.
10. The system of claim 9, wherein a bottom edge of the filter screen is higher than the road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320142961.0U CN219011441U (en) | 2023-01-11 | 2023-01-11 | Road surface rainwater drainage system and road surface rainwater drainage unit thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320142961.0U CN219011441U (en) | 2023-01-11 | 2023-01-11 | Road surface rainwater drainage system and road surface rainwater drainage unit thereof |
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| Publication Number | Publication Date |
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| CN219011441U true CN219011441U (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320142961.0U Active CN219011441U (en) | 2023-01-11 | 2023-01-11 | Road surface rainwater drainage system and road surface rainwater drainage unit thereof |
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| CN (1) | CN219011441U (en) |
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2023
- 2023-01-11 CN CN202320142961.0U patent/CN219011441U/en active Active
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