CN218713697U - Sponge city road crossing catchment system - Google Patents
Sponge city road crossing catchment system Download PDFInfo
- Publication number
- CN218713697U CN218713697U CN202222934888.9U CN202222934888U CN218713697U CN 218713697 U CN218713697 U CN 218713697U CN 202222934888 U CN202222934888 U CN 202222934888U CN 218713697 U CN218713697 U CN 218713697U
- Authority
- CN
- China
- Prior art keywords
- water
- road
- sidewalk
- motor vehicle
- vehicle lane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model provides a road catchment system is walked in sponge city, include: the system comprises a concave greenbelt, a first water collecting system and a second water collecting system, wherein the concave greenbelt is used for absorbing water flow of a road, the first water collecting system is used for guiding water flow of a motor way and a non-motor way into the concave greenbelt, and the second water collecting system is used for guiding water flow of a sidewalk into the concave greenbelt; the concave green land is positioned beside the sidewalk and far away from the motor vehicle lane and the non-motor vehicle lane, and the height of the concave green land is lower than that of the motor vehicle lane and the non-motor vehicle lane; the first water collecting system penetrates through a sidewalk to guide water flow of a non-motor vehicle lane into a concave green land; the second water collecting system is positioned above the first water collecting system and guides the water flow of the sidewalk to a concave green land. The utility model discloses with the concave greenery patches of the two tunnel inflow road sides of road surface moisture of sponge urban road, wherein water flows into concave greenery patches from the road surface all the way, and another way water flows into concave greenery patches from the buried pipe of road surface below, improves road surface rainwater collection rate, realizes that the rainwater more than 70% on the road is absorbed through concave greenery patches.
Description
Technical Field
The utility model relates to a road drainage technical field especially relates to a road catchment system is walked in sponge city.
Background
The sponge city means that the city can have good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like a sponge.
The sponge city adopts the measures of seepage, stagnation, storage, purification, utilization, drainage and the like to absorb and absorb the rainfall on site, and because the road pavement occupies a large area, how to better introduce the rainwater paved on the road into the green land to be absorbed and absorbed is particularly important.
The conventional process can only guide nearby road surface rainwater into the adjacent green land in a way of opening the road teeth, and the paved road with the vertical road tooth sidewalk cannot be effectively utilized. In view of this, a new road water collecting system replacing the traditional road drainage system needs to be developed to increase the collection of rainwater on the paved road surface.
SUMMERY OF THE UTILITY MODEL
The utility model provides a road catchment system is walked in sponge city, the concave greenery patches of road side is flowed into to two tunnel inflow of road surface moisture, and wherein water flows into concave greenery patches from the road surface all the way, and another way water flows into concave greenery patches from the buried pipe of road surface below, improves road surface rainwater collection rate, realizes that the rainwater more than 70% on the road disappears through concave greenery patches.
Realize the utility model discloses the technical scheme of purpose as follows:
a sponge city crossing road water collecting system comprises a sidewalk, a motor vehicle lane and a non-motor vehicle lane, wherein the motor vehicle lane is connected with the non-motor vehicle lane in a direct mode, the non-motor vehicle lane is connected with the sidewalk in a direct mode, and the motor vehicle lane and the non-motor vehicle lane are lower than the sidewalk; sponge city road catchment system of passing includes: a recessed green space for receiving water flow from a road, a first water collection system for directing water flow from a motorway and a non-motorway into said recessed green space, a second water collection system for directing water flow from a sidewalk into said recessed green space;
the concave green land is positioned beside the sidewalk and far away from the motor vehicle lane and the non-motor vehicle lane, and the height of the concave green land is lower than the heights of the motor vehicle lane and the non-motor vehicle lane;
the first water collecting system guides the water flow of the non-motor vehicle lane to the concave green land through the sidewalk;
the second water collecting system is positioned above the first water collecting system, and the second water collecting system guides the water flow of the sidewalk to the concave green land.
The utility model discloses with the lower greenery patches of road surface moisture two way inflow road side, wherein water flows into lower greenery patches from the road surface all the way, and another way water flows into lower greenery patches from the pipe laying of road surface below, improves road surface rainwater collection rate, realizes that the rainwater more than 70% on the road is absorbed through lower greenery patches.
In one possible implementation mode, a standing road tooth is arranged at the joint of the sidewalk and the non-motor vehicle lane;
the first water collection system includes: the drainage grate comprises a plurality of drainage tubes, a plurality of water inlet grates and a plurality of water outlet grates, wherein the drainage tubes penetrate through the vertical channel teeth and the sidewalks;
each drainage tube is connected with a water inlet grate and a water outlet grate, the water flow of the non-motor vehicle lane flows through the water inlet grate to enter the drainage tube, and the water flow flowing out of the water outlet grate enters the lower concave green space unit.
The utility model discloses set up the purpose of intaking the double-edged fine-toothed comb and going out the water double-edged fine-toothed comb at the drainage tube, prevent that the debris on non-motor way and the debris of concave greenery patches unit from getting into in the drainage tube and causing the drainage tube to block up.
In one possible implementation, the first water collection system further includes: and a road surface slope unit for guiding the water of the motor vehicle lane to the non-motor vehicle lane.
The utility model discloses set up longitudinal gradient and cross slope on the road surface and ensure that motor vehicle lane's rainwater arrives into water grate department.
In one possible implementation mode, an arc-shaped transition section is arranged at the joint of the non-motor vehicle lane and the vertical road tooth;
the arc transition section is connected with the top surface of the vertical road tooth and the road surface of the non-motor vehicle road, and partial water flow of the sidewalk and the vertical road tooth flows into the drainage tube after flowing into the arc transition section.
The utility model discloses set up the arc changeover portion between standing a way tooth and non-motor way, the pavement that is close to the arc changeover portion goes up the rainwater and flows through and get into the arc changeover portion behind the standing a way tooth, flows into the drainage tube from the arc changeover portion again, sets up too much rainwater on the arc changeover portion effective control pavement and piles up influence pedestrian's safety.
In a possible implementation mode, the height of the arc-shaped transition section is consistent with that of the water inlet grate;
the height of the water inlet grate, the height of the guide pipe and the height of the water outlet grate are all consistent.
The utility model discloses highly setting up unanimous with arc changeover portion, the double-edged fine-toothed comb of intaking, guiding tube and play water double-edged fine-toothed comb, the double-edged fine-toothed comb of intaking is protected with the arc changeover portion mainly to consider that the rainwater of being convenient for flows, avoids non-motor to say that too big debris damage double-toothed comb of intaking.
In one possible implementation mode, a slope is arranged between the lower concave green space and the water outlet grate;
the water flow flowing out of the water outlet grate flows through the slope and then enters the concave green land.
In one possible implementation, the length of each drainage tube is greater than the sum of the width of the sidewalk and the width of the vertical road tooth;
the water inlet end of each drainage tube is aligned with the outer side face of the vertical road tooth, and the water outlet end of each drainage tube exceeds the side face of one side, away from the vertical road tooth, of the sidewalk.
In one possible implementation mode, the second water collecting system comprises a pavement of a sidewalk and an inclined surface for connecting the sidewalk and the water outlet grate, and the inclined surface is in direct contact with the pavement;
the water flow on the sidewalk enters the concave green land after flowing through the inclined plane.
In one possible implementation mode, a slope is arranged between the lower concave green space and the water outlet grate;
the top end of the slope is connected with the bottom surface of the water outlet grate, and the bottom end of the inclined surface is connected with the top surface of the water outlet grate;
the water flow on the sidewalk firstly flows through the inclined plane, then flows through the slope and finally enters the concave green land.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses with the concave greenery patches of the two tunnel inflow road sides of road surface moisture of sponge urban road, wherein water flows into concave greenery patches from the road surface all the way, and another way water flows into concave greenery patches from the buried pipe of road surface below, improves road surface rainwater collection rate, realizes that the rainwater more than 70% on the road is absorbed through concave greenery patches.
Drawings
Fig. 1 is a first plan view of a sponge city crossing road water collection system provided by the utility model;
fig. 2 is a plan view of a sponge city passing road water collection system provided by the utility model II;
FIG. 3 is a first cross-sectional view of c-c of FIG. 2;
FIG. 4 is a second sectional view taken along line c-c of FIG. 2;
FIG. 5 is a cross-sectional view taken along line b-b of FIG. 2;
fig. 6 is a vertical view of a road water collection system for sponge city passing;
in the figure, 100-concave greenery patches; 200-a first water collection system; 210-a drainage tube; 220-water inlet grate; 230-water outlet perforated strainer; 300-a second water collection system; 310-road surface; 320-inclined plane; 1-a non-motorized lane; 2-sidewalk; 3-vertical road teeth; 4-an arc transition section; 5-slope.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
In the description of the present embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the invention.
Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, an embodiment of the present invention provides a sponge city transit road water collection system, where a road includes a sidewalk 2, a motorway and a non-motorway 1, the motorway and the non-motorway 1 are connected in sequence, the non-motorway 1 and the sidewalk 2 are connected in sequence, and the motorway and the non-motorway 1 are lower than the sidewalk 2; sponge city road catchment system of passing includes: a recessed green 100 for accommodating water flow from a road, a first water collection system 200 for directing water flow from a motorway and a non-motorway 1 into the recessed green 100, a second water collection system 300 for directing water flow from a sidewalk 2 into the recessed green 100; the concave green 100 is positioned beside the sidewalk 2 and far away from the motor vehicle lane and the non-motor vehicle lane 1, and the height of the concave green 100 is lower than that of the motor vehicle lane and the non-motor vehicle lane 1; the first water collecting system 200 guides the water flow of the non-motor vehicle lane 1 to the concave green space 100 through the sidewalk 2; the second water collecting system 300 is located above the first water collecting system 200, and the second water collecting system 300 guides the flow of the water of the sidewalk 2 to the depressed green space 100.
The utility model discloses with the concave greenery patches 100 of two tunnel inflow road sides of road surface moisture, wherein water flows into concave greenery patches 100 from the road surface all the way, and another way water flows into concave greenery patches 100 from the pipe laying of road surface below, improves road surface rainwater collection rate, realizes that the rainwater more than 70% on the road is absorbed through concave greenery patches 100.
Based on the above solution, please continue to refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, it is preferable that the connection between the sidewalk 2 and the non-motor vehicle lane 1 is provided with a vertical road tooth 3; the first water collecting system 200 includes: a plurality of drainage tubes 210 penetrating through the vertical channel teeth 3 and the sidewalk 2, a plurality of water inlet grates 220 arranged at water inlet ends of the plurality of drainage tubes 210, and a plurality of water outlet grates 230 arranged at water outlet ends of the plurality of drainage tubes 210; each drainage pipe 210 is connected with a water inlet grate 220 and a water outlet grate 230, the water flow of the non-motor way 1 flows through the water inlet grate 220 to enter the drainage pipe 210, and the water flow flowing out of the water outlet grate 230 enters the lower concave green space 100.
The utility model discloses set up into water double-edged fine-toothed comb 220 and the purpose of play water double-edged fine-toothed comb 230 at drainage tube 210, prevent that the debris of non-motor way 1 and the debris of concave greenery patches 100 from getting into in the drainage tube 210 and causing drainage tube 210 to block up.
Based on the above solution, with continuing reference to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, it is preferable that the first water collecting system 200 further includes: the road surface slope unit that guides the motorway water to the non-motorway 1.
The utility model discloses set up longitudinal gradient and cross slope on the road surface and ensure that motor vehicle lane's rainwater arrives into water double-edged fine-toothed comb 220 department.
Based on the above solution, please continue to refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, preferably, an arc-shaped transition section 4 is arranged at the connection position of the non-motor vehicle lane 1 and the vertical road tooth 3; the arc transition section 4 is connected with the top surface of the vertical road tooth 3 and the pavement of the non-motor vehicle lane 1, and partial water flows of the sidewalk 2 and the vertical road tooth 3 flow to the arc transition section 4 and then enter the drainage pipe 210.
The utility model discloses set up arc changeover portion 4 between standing road tooth 3 and non-motor way 1, 2 on the pavement that are close to arc changeover portion 4 go up the rainwater and flow into arc changeover portion 4 behind standing road tooth 3, follow 4 inflow drainage tubes 210 of arc changeover portion again, set up too much rainwater on 4 effective control pavement of arc changeover portion 2 and pile up the influence pedestrian's safety.
Based on the above scheme, please continue to refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, preferably, the height of the arc-shaped transition section 4 is consistent with the height of the water inlet grate 220; the heights of the water inlet grate 220, the guide pipe and the water outlet grate 230 are all the same.
The utility model discloses highly setting unanimous with arc changeover portion 4, the grate of intaking 220, guiding tube and play water grate 230 mainly is the grate of intaking 220 is protected with arc changeover portion 4 in the rainwater of being convenient for flow, avoids the too big debris damage grate 220 of intaking in non-motor way 1 in view of.
Based on the above scheme, please continue to refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, preferably, a slope 5 is arranged between the lower concave green space 100 and the water outlet grate 230; the water flowing out of the water discharge grate 230 flows through the slope 5 and enters the lower concave green space 100.
Based on the above solution, with continued reference to fig. 1, 2, 3, 4, 5, and 6, it is preferred that the length of each draft tube 210 is greater than the sum of the width of the sidewalk 2 and the width of the incisors 3; the water inlet end of each drainage tube 210 is aligned with the outer side surface of the vertical channel tooth 3, and the water outlet end of each drainage tube 210 exceeds the side surface of the side of the sidewalk 2 far away from the vertical channel tooth 3.
Based on the above solution, please continue to refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, preferably, the second water collecting system 300 includes a pavement 310 of the sidewalk 2, and an inclined surface 320 connecting the sidewalk 2 and the water outlet grate 230, wherein the inclined surface 320 is directly connected with the pavement 310; the water on the sidewalk 2 flows through the inclined plane 320 and then enters the lower concave green space 100.
Based on the above scheme, please continue to refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, preferably, a slope 5 is arranged between the lower concave green space 100 and the water outlet grate 230; the top end of the slope 5 is connected with the bottom surface of the water outlet grate 230, and the bottom end of the inclined plane 320 is connected with the top surface of the water outlet grate 230; the water on the sidewalk 2 flows through the slope 320, then through the slope 5 and finally enters the concave green space 100.
The utility model discloses with the concave greenery patches 100 of the two tunnel inflow road sides of road surface moisture of sponge urban road, wherein water flows into concave greenery patches 100 from the road surface all the way, and another way water flows into concave greenery patches 100 from the pipe laying of road surface below, improves road surface rainwater collection rate, realizes that the rainwater more than 70% on the road is absorbed through concave greenery patches 100.
The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.
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. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A sponge city passing road water collection system comprises a sidewalk (2), a motor vehicle lane and a non-motor vehicle lane (1), wherein the motor vehicle lane and the non-motor vehicle lane (1) are connected in sequence, the non-motor vehicle lane (1) and the sidewalk (2) are connected in sequence, and the motor vehicle lane and the non-motor vehicle lane (1) are lower than the sidewalk (2); its characterized in that, road catchment system is walked in sponge city includes: a recessed greenbelt (100) for taking up water flow from a road, a first water collection system (200) for directing water flow from a motorway and a non-motorway (1) into the recessed greenbelt (100), a second water collection system (300) for directing water flow from a sidewalk (2) into the recessed greenbelt (100);
the concave green (100) is arranged beside the sidewalk (2) and far away from the motor vehicle lane and the non-motor vehicle lane (1), and the height of the concave green (100) is lower than that of the motor vehicle lane and the non-motor vehicle lane (1);
the first water collecting system (200) guides the water flow of the non-motor vehicle lane (1) into the concave green land (100) through the sidewalk (2);
the second water collecting system (300) is located above the first water collecting system (200), and the second water collecting system (300) guides the water flow of the sidewalk (2) to the concave green land (100).
2. The sponge city passing road catchment system according to claim 1, characterized in that a junction of the sidewalk (2) and the non-motorized vehicle lane (1) is provided with a vertical road tooth (3);
the first water collection system (200) comprises: a plurality of drainage tubes (210) penetrating through the vertical channel teeth (3) and the sidewalks (2), a plurality of water inlet grates (220) arranged at the water inlet ends of the drainage tubes (210), and a plurality of water outlet grates (230) arranged at the water outlet ends of the drainage tubes (210);
each drainage tube (210) is connected with a water inlet grate (220) and a water outlet grate (230), water in the non-motor vehicle lane (1) flows through the water inlet grate (220) and enters the drainage tube (210), and water flowing out of the water outlet grate (230) enters the concave green space (100).
3. The sponge city transit road collection system of claim 2, wherein the first collection system (200) further comprises: and a road surface slope unit which guides the water of the motor vehicle lane to the non-motor vehicle lane (1).
4. The sponge city passing road water collection system according to claim 2, characterized in that the junction of the non-motorized lane (1) and the vertical road tooth (3) is provided with an arc-shaped transition section (4);
the arc transition section (4) is connected with the top surface of the vertical road tooth (3) and the road surface of the non-motor vehicle lane (1) in a following way, and partial water flow of the sidewalk (2) and the vertical road tooth (3) flows to the arc transition section (4) and then enters the drainage pipe (210).
5. The sponge city road-crossing water collection system according to claim 4, wherein the height of the arc transition section (4) is consistent with that of the water inlet grate (220);
the heights of the water inlet grate (220), the drainage pipe (210) and the water outlet grate (230) are all consistent.
6. The sponge city road collection system of claim 2, wherein a slope (5) is provided between the concave green space (100) and the water outlet grate (230);
the water flow flowing out of the water outlet grate (230) flows through the slope (5) and then enters the concave green space (100).
7. The sponge city road-crossing water catchment system according to claim 2, characterized in that the length of each drainage tube (210) is greater than the sum of the width of the sidewalk (2) and the width of the vertical road tooth (3);
the water inlet end of each drainage tube (210) is aligned with the outer side surface of the vertical channel tooth (3), and the water outlet end of each drainage tube (210) exceeds the side surface of the side, away from the vertical channel tooth (3), of the sidewalk (2).
8. The sponge city passing road water collection system according to claim 1, wherein the second water collection system (300) comprises a pavement (310) of the sidewalk (2) and an inclined plane (320) connecting the sidewalk (2) and the water outlet grate (230), and the inclined plane (320) is in direct connection with the pavement (310);
the water flow on the sidewalk (2) enters the concave green land (100) after flowing through the inclined plane (320).
9. The sponge city road collection system of claim 8, wherein a slope (5) is provided between the concave green space (100) and the water outlet grate (230);
the top end of the slope (5) is connected with the bottom surface of the water outlet grate (230), and the bottom end of the inclined surface (320) is connected with the top surface of the water outlet grate (230);
the water flow on the sidewalk (2) flows through the inclined plane (320) firstly, then flows through the slope (5) and finally enters the concave green land (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222934888.9U CN218713697U (en) | 2022-11-04 | 2022-11-04 | Sponge city road crossing catchment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222934888.9U CN218713697U (en) | 2022-11-04 | 2022-11-04 | Sponge city road crossing catchment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218713697U true CN218713697U (en) | 2023-03-24 |
Family
ID=85604868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222934888.9U Active CN218713697U (en) | 2022-11-04 | 2022-11-04 | Sponge city road crossing catchment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218713697U (en) |
-
2022
- 2022-11-04 CN CN202222934888.9U patent/CN218713697U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218713697U (en) | Sponge city road crossing catchment system | |
| CN213358194U (en) | Permeable pavement structure | |
| CN210049052U (en) | Drainage curb structure | |
| CN210766240U (en) | Sponge type urban road structure | |
| CN214497045U (en) | Novel aerated concrete brick-containing recycled aggregate concrete permeable brick | |
| CN211898832U (en) | Urban road drainage and water storage structure | |
| CN210596885U (en) | Sponge urban road | |
| CN204715138U (en) | A kind of surface drainage | |
| CN210886975U (en) | Highway three-dimensional culvert drainage structures | |
| CN218621638U (en) | Municipal administration road that permeates water | |
| CN215949573U (en) | Tunnel waterproof drainage structure | |
| CN220789281U (en) | Roadbed for municipal road engineering | |
| CN218345843U (en) | Municipal administration road surface pavement rainwater collection device | |
| CN213772778U (en) | Tunnel antiseep combined type road surface | |
| CN215561642U (en) | Urban road edge structure capable of effectively increasing drainage efficiency | |
| CN210946363U (en) | Curb stone | |
| CN221094729U (en) | Municipal drainage road | |
| CN219099729U (en) | Assembly type permeable pavement concrete slab based on municipal road environment-friendly design | |
| CN210013084U (en) | Sponge city permeable pavement brick | |
| CN212958755U (en) | Underground tunnel drainage structure | |
| CN218508156U (en) | Town road design waterproof construction | |
| CN215329130U (en) | Town road paves road surface structure that permeates water | |
| CN216475111U (en) | Ecological slope protection system applied to landscaping | |
| CN213867177U (en) | Special road surface structure is collected to automatic water of sponge city permeable pavement | |
| CN211881229U (en) | Urban road is with hydrophobic greenbelt |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |