CN212427456U - Sidewalk rainwater guide opening and green belt rainwater guide opening - Google Patents

Sidewalk rainwater guide opening and green belt rainwater guide opening Download PDF

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CN212427456U
CN212427456U CN202020012586.4U CN202020012586U CN212427456U CN 212427456 U CN212427456 U CN 212427456U CN 202020012586 U CN202020012586 U CN 202020012586U CN 212427456 U CN212427456 U CN 212427456U
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prefabricated concrete
road
rainwater
road rainwater
rainwater guide
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翟俊
钱云
查张娅
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Suzhou University
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Suzhou University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/60Planning or developing urban green infrastructure

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Abstract

The utility model relates to a pavement rainwater is led mouth and greenbelt rainwater and is led mouth. Wherein, the rain water guide port of the sidewalk comprises prefabricated concrete and a drainage cast iron grate of the rain water guide port of the road; the road rainwater guide port prefabricated concrete comprises a plurality of road rainwater guide port prefabricated concrete unit bodies; the prefabricated concrete unit body of the road rainwater guide port comprises a first structure and a second structure; the first structure and the second structure are integrated; the upper surface of the first structure is an inclined surface; the upper surface of the second structure is an inclined surface; the lowest point of the inclined plane of the first structure is coincided with the lowest point of the inclined plane of the second structure; the length, the width and the thickness of the first structure are respectively consistent with those of the second structure; a plurality of road rainwater guide port prefabricated concrete unit bodies are sequentially arranged; the length of the road rain water guide opening precast concrete is consistent with that of the drainage cast iron comb. The utility model discloses flood disasters, supply groundwater source can be alleviated effectively to improve regional ecological environment.

Description

Sidewalk rainwater guide opening and green belt rainwater guide opening
The utility model relates to an invention name is prefabricated concrete of road rainwater bead and prefabricated concrete cell cube of road rainwater bead, application day is 2019 year 3 month 15 days, application number is 2019203326449 utility model application's division case application, belongs to another product technology part.
Technical Field
The utility model relates to an urban rainwater runoff handles the field, especially relates to a prefabricated concrete of modular urban road rainwater spigot.
Background
In recent decades, with the continuous development of urbanization, urban waterlogging becomes a hot problem concerned by people, urban roads are key areas for waterlogging, and with the proposal and practice of the concept of 'low-impact development' of sponge cities, the establishment of an efficient and green road rainwater drainage system becomes an important measure for solving the urban waterlogging. One of the causes of urban inland inundation is that the construction of large-area hard roads in the urbanization process fundamentally hinders the drainage of urban surface rainwater runoff, influences natural hydrologic cycle, causes a large amount of rainwater loss, and the problems of serious traffic surface ponding, rapid increase of drainage system pressure in the rain flood period and the like.
The urban road rainwater runoff treatment method is generally to collect road runoff into an urban rainwater pipe network in modes of open ditches, underdrains and the like. In order to discharge sewage, besides the pipe canal, some auxiliary structures are required to be arranged on the pipe canal system, and the urban road gutter inlet is one of the structures. Rainwater on the street road surface firstly flows into the drainage pipe channel through the connecting pipe through the rainwater inlet. The position of the rain inlet can ensure that the ground rainwater can be collected quickly and effectively. The rainwater collecting device is generally arranged at a certain distance of a crossroad, a roadside gutter and a low-lying place provided with road curbs to prevent rainwater from overflowing the road or causing water accumulation on the road and the low-lying area to obstruct traffic.
Traditional road inlet for stom water can only realize the collection of rainwater and discharge, directly discharges and easily causes outlet and water guide mouth jam problem, discharges into the growth that the urban green land also can influence the plant. Therefore, it is obviously necessary to design a road rainwater guide opening device capable of performing initial rainwater runoff purification.
Disclosure of Invention
The utility model aims at providing a design of prefabricated concrete of road rainwater lead mouth can realize the primary filter of road rainwater, reduces the road ponding problem under the rainstorm weather, alleviates the pressure of preventing waterlogging in the urban area, improves the utilization efficiency of water resource, carries out the supply of groundwater, can reduce the irrigation water yield of greenery patches simultaneously. Thereby effectively improving the regional ecological environment and reducing the capital of flood drainage and flood prevention facilities invested by the government.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a road rainwater guide port prefabricated concrete comprises a plurality of road rainwater guide port prefabricated concrete unit bodies; the prefabricated concrete unit body of the road rainwater guide port comprises a first structure and a second structure; the first structure and the second structure are integrated; the upper surface of the first structure is an inclined surface; the upper surface of the second structure is an inclined surface; the lowest point of the inclined plane of the first structure is coincided with the lowest point of the inclined plane of the second structure; the length, the width and the thickness of the first structure are respectively consistent with those of the second structure; the plurality of road rainwater guide port prefabricated concrete unit bodies are sequentially arranged.
A prefabricated concrete unit body for a road rainwater guide port; the prefabricated concrete unit body of the road rainwater guide port comprises a first structure and a second structure; the first structure and the second structure are integrated; the upper surface of the first structure is an inclined surface; the upper surface of the second structure is an inclined surface; the lowest point of the inclined plane of the first structure is coincided with the lowest point of the inclined plane of the second structure; the length, the width and the thickness of the first structure are respectively consistent with those of the second structure.
The preparation method of the road rainwater drainage opening precast concrete comprises the following steps of adding concrete into a road rainwater drainage opening precast concrete mould, removing the mould after curing and curing to obtain the road rainwater drainage opening precast concrete, wherein the road rainwater drainage opening precast concrete mould can be easily prepared by adopting a conventional method according to the structure of the road rainwater drainage opening precast concrete, the concrete is a commercially available product and generally comes from a concrete mixing company, and the formula and curing of the concrete are right for the technical effect of the utility model is not influenced.
The preparation method of the road rainwater drainage opening precast concrete unit body comprises the following steps of adding concrete into a road rainwater drainage opening precast concrete unit body mold, dismantling the mold after curing and curing to obtain the road rainwater drainage opening precast concrete unit body, wherein the road rainwater drainage opening precast concrete unit body mold can be easily prepared by adopting a conventional method according to the structure of the road rainwater drainage opening precast concrete unit body, the concrete is a commercially available product and generally comes from a concrete mixing company, and the formula and curing of the concrete are right, so that the technical effect of the utility model is not influenced.
A sidewalk rainwater guide port comprises prefabricated concrete and a drainage cast iron grate of a road rainwater guide port; the road rainwater guide port prefabricated concrete comprises a plurality of road rainwater guide port prefabricated concrete unit bodies; the prefabricated concrete unit body of the road rainwater guide port comprises a first structure and a second structure; the first structure and the second structure are integrated; the upper surface of the first structure is an inclined surface; the upper surface of the second structure is an inclined surface; the lowest point of the inclined plane of the first structure is coincided with the lowest point of the inclined plane of the second structure; the length, the width and the thickness of the first structure are respectively consistent with those of the second structure; the plurality of road rainwater guide port prefabricated concrete unit bodies are sequentially arranged; the length of the road rainwater guide opening precast concrete is consistent with that of the drainage cast iron comb.
Among the above-mentioned technical scheme, the inclined plane of second structure is towards drainage cast iron comb to the rainwater can directly get into current rainwater through drainage cast iron comb water conservancy diversion and collect the pipe network after the initial stage interception of road rainwater spigot precast concrete.
A green belt rainwater guide port comprises prefabricated concrete of a road rainwater guide port and a concave curb; the road rainwater guide port prefabricated concrete comprises a plurality of road rainwater guide port prefabricated concrete unit bodies; the prefabricated concrete unit body of the road rainwater guide port comprises a first structure and a second structure; the first structure and the second structure are integrated; the upper surface of the first structure is an inclined surface; the upper surface of the second structure is an inclined surface; the lowest point of the inclined plane of the first structure is coincided with the lowest point of the inclined plane of the second structure; the length, the width and the thickness of the first structure are respectively consistent with those of the second structure; the plurality of road rainwater guide port prefabricated concrete unit bodies are sequentially arranged; the length of the road rainwater guide opening precast concrete is consistent with that of the concave curb.
Among the above-mentioned technical scheme, the inclined plane of second structure is towards recessed formula curb to the rainwater can directly get into the greenbelt through recessed formula curb water conservancy diversion after the initial stage interception of road rainwater spigot precast concrete.
In the utility model, the inclined plane is a downward inclined plane according to the actual direction; the inclination angle of the inclined surface means that the surface forms an included angle with the horizontal plane, and the included angle is called as an inclination angle. Preferably, in the first structure, the inclination angle of the inclined plane is 9-10 degrees; in the second structure, the inclination angle of inclined plane is 3 ~ 4. The design of inclined plane can realize that the unit body all plays the water conservancy diversion effect in horizontal, radial direction, forms horizontal and radial two decurrent concave surfaces, realizes the two-way water conservancy diversion of rainwater.
In the present invention, the thickness refers to the thickness of the thickest part of the first structure or the second structure; the width of the prefabricated concrete unit bodies of all the road rainwater guide openings and the length of the prefabricated concrete forming the road rainwater guide openings; the length of the prefabricated concrete unit body of the road rainwater guide opening is the width of the prefabricated concrete of the road rainwater guide opening. The upper surface of the first structure and the upper surface of the second structure form the upper surface of the road rainwater guide port prefabricated concrete unit body, and the lower surface of the first structure and the lower surface of the second structure on the same plane form the lower surface of the road rainwater guide port prefabricated concrete unit body.
In the utility model, the upper surface of the first structure is a triangular structure; the upper surface of the second structure is a triangular structure; the lower surface of the road rainwater guide opening prefabricated concrete unit body is of a rectangular structure. Preferably, the long limit of the upper surface triangle-shaped structure of first structure with the long limit coincidence of the upper surface triangle-shaped structure of second structure to form the rivers passageway in first structure, second structure juncture, both played the rainwater water conservancy diversion and collected the function, can produce the separation effect to initial stage impurity again, for example some leaves, stone grain are difficult to flow to the outlet along with rainwater because inclined plane, interface sunken existence.
In the utility model, a plurality of road rainwater leading mouth prefabricated concrete unit bodies are arranged in sequence, and in the road rainwater leading mouth prefabricated concrete, in the adjacent road rainwater leading mouth prefabricated concrete unit bodies, the first structure of one road rainwater leading mouth prefabricated concrete unit body is contacted with the second structure of the other road rainwater leading mouth prefabricated concrete unit body; the adjacent road rainwater guide port prefabricated concrete unit bodies can be in physical connection or in a curing integrated structure, preferably in an integrated structure, can be prepared through a mold, and improves the stability of the guide port and the convenience and easiness in installation. Preferably, in the prefabricated concrete for the road rainwater guiding port, the inclined planes of the prefabricated concrete unit bodies for the adjacent road rainwater guiding ports are in the same direction, namely the lowest point of the upper surfaces of the prefabricated concrete unit bodies for the road rainwater guiding port is in a straight line (direction), so that a hierarchical structure can be formed.
Preferably, the length of the road rainwater drainage port prefabricated concrete unit body is 300mm, the width is 125 mm, the thickness is 50mm, and the length from the lowest point of the upper surface of the road rainwater drainage port prefabricated concrete unit body to the lower surface of the road rainwater drainage port prefabricated concrete unit body is 30 mm; the utility model discloses a prefabricated concrete design of road rainwater spigot has layering and slope structure, accords with the designing requirement and the relevant criterion of runoff slope in road place, can effectively collect the emission to the road rainwater in the certain limit.
The utility model discloses a value lies in perfecting the drainage function at traditional road inlet for stom water with a convenient cheap prefabricated concrete, has realized the initial stage interception of road rainfall runoff on original basis and has filtered and speed reduction treatment, has improved rainwater utilization efficiency, alleviates urban waterlogging problem effectively. The utility model also discloses an application of above-mentioned road rainwater spigot prefabricated concrete in preparing road rainwater spigot.
Because above-mentioned technical scheme uses, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses take the templated design, simple manufacture, construction cost and engineering cost are low.
2. The utility model discloses the flexibility ratio is high, the transportation and the loading and unloading of being convenient for, but wide application in urban road under all kinds of conditions.
3. The utility model discloses an installation directly replace traditional road inlet for stom water can, can not cause the road to destroy, be stealthy engineering auxiliary facilities.
Drawings
FIG. 1A is a schematic structural view (not labeled with a parameter diagram) of the prefabricated concrete unit body of the road rainwater guide port of the present invention;
FIG. 1B is a schematic structural view (labeled parameter diagram) of the prefabricated concrete unit body of the road rainwater guide port of the present invention;
FIG. 2 is a schematic view of the structure of the precast concrete for the rain water guide port of the road of the present invention;
FIG. 3 is a schematic structural view of the rainwater guiding port of the utility model applied to the near-pedestrian road;
FIG. 4 is a schematic structural view of the rain water guiding port applied to the road near green belt of the present invention;
the parts in the drawings are numbered as follows: the road rainwater guide port prefabricated concrete unit comprises a first structure 1, a second structure 2, a long edge 3, a road rainwater guide port prefabricated concrete unit body 4, road rainwater guide port prefabricated concrete 5, a drainage cast iron grate 6 and a concave curb 7.
Detailed Description
The following detailed description of the preferred embodiments of the invention, taken in conjunction with the accompanying drawings, enables those skilled in the art to more readily understand the advantages and features of the invention.
Example one
Referring to fig. 1A, a prefabricated concrete unit body for a road rainwater guide opening comprises a first structure 1 and a second structure 2; the first structure and the second structure are integrated; the upper surface of the first structure is a triangular inclined surface; the upper surface of the second structure is a triangular inclined surface; the lowest point of the inclined plane of the first structure is coincided with the lowest point of the inclined plane of the second structure; the long side 3 of the triangular structure on the upper surface of the first structure is superposed with the long side of the triangular structure on the upper surface of the second structure; the length, width and thickness of the first structure are respectively consistent with those of the second structure, wherein FIG. 1A is a diagram without labeled parameters
Referring to fig. 1B, which is a labeled parameter diagram, the inclined plane is a downward inclined plane, the length of the road rainwater inlet prefabricated concrete unit body is 300mm, the width is 125 mm, and the thickness is 50mm, the length of the lowest point of the upper surface of the road rainwater inlet prefabricated concrete unit body from the lower surface of the road rainwater inlet prefabricated concrete unit body is 30 mm, that is, the length of the lowest point of the upper surface of the road rainwater inlet prefabricated concrete unit body from the horizontal plane where the highest point of the upper surface of the road rainwater inlet prefabricated concrete unit body is 20 mm; thus, in the first configuration, the inclination of the inclined plane is arctan4/25, and in the second configuration, the inclination of the inclined plane is arctan 1/15.
The preparation method of the road rainwater drainage opening precast concrete unit body comprises the following steps of adding commercially available concrete into a road rainwater drainage opening precast concrete unit body mold prepared according to the conventional structure, and removing the mold after conventional curing and curing to obtain the road rainwater drainage opening precast concrete unit body.
The road rainwater guide port prefabricated concrete unit bodies can be combined into a plurality of road rainwater guide port prefabricated concrete, and a mold comprising the road rainwater guide port prefabricated concrete unit bodies can also be opened conventionally to be integrally molded into the road rainwater guide port prefabricated concrete.
Example two
Referring to the attached figure 2, the prefabricated concrete for the road rainwater guide port comprises a plurality of prefabricated concrete unit bodies 4 for the road rainwater guide port, which are integrally formed and sequentially arranged; the prefabricated concrete unit body of the road rainwater guide port comprises a first structure 1 and a second structure 2; the first structure and the second structure are integrated; the upper surface of the first structure is a triangular inclined surface; the upper surface of the second structure is a triangular inclined surface; the lowest point of the inclined plane of the first structure is coincided with the lowest point of the inclined plane of the second structure; the long side of the upper surface triangular structure of the first structure is superposed with the long side of the upper surface triangular structure of the second structure; the length, the width and the thickness of the first structure are respectively consistent with those of the second structure; in the road rainwater drainage opening prefabricated concrete, in the adjacent road rainwater drainage opening prefabricated concrete unit bodies, a first structure of one road rainwater drainage opening prefabricated concrete unit body is contacted with a second structure of the other road rainwater drainage opening prefabricated concrete unit body, an inclined plane of one adjacent road rainwater drainage opening prefabricated concrete unit body is contacted with a non-inclined plane (vertical plane) of the other adjacent road rainwater drainage opening prefabricated concrete unit body, and the section with each level higher is used for initially intercepting garbage and impurities in rainwater runoff.
The inclined surface is a downward inclined surface; the length of the road rainwater drainage port prefabricated concrete unit body is 300mm, the width is 125 mm, the thickness is 50mm, and the length from the lowest point of the upper surface of the road rainwater drainage port prefabricated concrete unit body to the lower surface of the road rainwater drainage port prefabricated concrete unit body is 30 mm; in the prefabricated concrete for the road rainwater guide port, the inclined planes of the prefabricated concrete unit bodies of the adjacent road rainwater guide ports face in the same direction, namely the lowest points of the upper surfaces of all the unit bodies are on a straight line, and the prefabricated concrete for the road rainwater guide port is 500mm in length, 300mm in width and 50mm in thickness. The unit body has a proper cross section, so that the rainwater impurity detention effect is achieved, the daily rainwater runoff is also suitable, and the concrete template is easy to manufacture.
The preparation method of the road rainwater guide opening precast concrete comprises the following steps of adding commercially available concrete into a road rainwater guide opening precast concrete mould prepared conventionally according to the structure, and removing the mould after conventional curing and curing to obtain the road rainwater guide opening precast concrete.
EXAMPLE III
Referring to the attached figure 3, the sidewalk rainwater guide opening comprises prefabricated concrete 5 of the road rainwater guide opening and a drainage cast iron grate 6; the road rainwater guide port prefabricated concrete of the second embodiment is applied to a road surface close to a pedestrian road. The road rainwater guide port prefabricated concrete is 500mm in length, 300mm in width and 50mm in thickness, the length of the road rainwater guide port prefabricated concrete is consistent with that of a drainage cast iron grate, the road rainwater guide port prefabricated concrete accords with relevant criteria of road site design and drainage gradient, the road rainwater guide port prefabricated concrete is divided into four stages of unit bodies with gradient on average, corresponding drainage gradients are designed in radial and transverse road directions, road rainwater diversion is carried out, and then road rainwater in a certain range is effectively collected and discharged. In fig. 3, arrows indicate the direction of rainwater flow, and dotted lines indicate that the prefabricated concrete of the road rainwater guide port is buried in the road surface.
Each level of prefabricated concrete unit body is inclined downwards in the drainage direction, so that two downward triangular concave surfaces in the transverse direction and the radial direction are formed, and the bidirectional diversion of rainwater is realized; four layers of unit bodies with average gradually-high height, the cross section with each level of height is used for intercepting rubbish and impurities in rainwater runoff in the initial stage, the inclined plane of the second structure is towards the drainage cast iron comb, after the prefabricated concrete template is intercepted in the initial stage and purified, collected road rainwater is discharged into the rainwater cast iron comb on the pedestrian road surface, and finally flows into the urban rainwater pipe network.
The sidewalk rainwater guide opening is used as follows: when the road rainwater runoff enters the sidewalk rainwater guide opening to prefabricate concrete, the prefabricated concrete modules are converged into the prefabricated concrete module from the transverse inclined surface and the radial inclined surface of the prefabricated concrete unit body respectively; rainwater which is converged into the rainwater guide port precast concrete completes initial impurity retention at a concave part formed by the inclined plane of the precast concrete monomer; the design of the drainage slope of the road is combined, the prefabricated concrete four-layer unit body with the average gradual height is formed, and the cross section with each level of height intercepts and filters garbage and impurities in the rainwater runoff again. At last through the rainwater runoff that the interception purifies inward drain cast iron comb through the inclined plane of prefabricated concrete monomer second structure, flow in urban rainwater pipe network, the utility model discloses the collection of nearly pedestrian road surface rainwater runoff is accelerated greatly and is discharged, through actual experiment (simulation rain and near rainwater leading edge rubbish impurity environment), the utility model discloses the average velocity of flow of nearly pedestrian road surface rainwater runoff of pavement rainwater leading edge improves about 38% than current rainwater entrance to 80% rubbish impurity in the rainwater runoff intercepts and filters, and current rainwater leading edge does not have rubbish impurity and intercepts and filtering capability. If the length between the lowest point of the upper surface of the prefabricated concrete unit body of the road rainwater guide port and the lower surface of the prefabricated concrete unit body of the road rainwater guide port is adjusted to be 20 mm, the section is too high, and generally rainwater cannot reach corresponding runoff, so that the average flow velocity of rainwater runoff is improved by about 12 percent compared with the existing rainwater channel port.
Example four
Referring to fig. 4, the green belt rainwater guide port comprises a road rainwater guide port prefabricated concrete 5 and a concave curb 7; the road rainwater guide opening prefabricated concrete is the road rainwater guide opening prefabricated concrete of the second embodiment, and is applied to a road surface close to a green belt. The prefabricated concrete of the road rainwater guide opening is 500mm in length, 300mm in width and 50mm in thickness, the length of the prefabricated concrete of the road rainwater guide opening is consistent with that of the recessed curb, relevant criteria of road field design and drainage gradient are met, the prefabricated concrete of the road rainwater guide opening is evenly divided into four stages of unit bodies with gradients, corresponding drainage gradients are designed in radial and transverse road directions, rainwater flow guiding is carried out on the road, and then rainwater on the road in a certain range is effectively collected and discharged. In fig. 4, arrows indicate the direction of rainwater flow, dotted lines indicate that the prefabricated concrete at the rainwater guide port of the road is buried in the road surface, and green plants grow on the green belt.
Each level of prefabricated concrete is inclined downwards in the drainage direction, so that two downward triangular concave surfaces in the transverse direction and the radial direction are formed, and the bidirectional diversion of rainwater is realized; four layers of unit bodies which are averagely gradually high, the cross section of each level of high is used for intercepting rubbish and impurities in rainwater runoff at the initial stage, the inclined plane of the second structure faces to the concave type curb, after the initial stage of the prefabricated concrete template is intercepted and purified, collected road rainwater is directly discharged into a roadside green belt through the concave type curb, and effective utilization of rainwater is achieved.
The green belt rainwater guide opening is used as follows: when road rainwater runoff enters the rainwater guide opening of the green belt to prefabricate concrete, the road rainwater runoff enters the prefabricate concrete module from the two horizontal and radial inclined planes of the prefabricate concrete monomer respectively; rainwater which is converged into the rainwater guide port precast concrete completes initial impurity retention at a concave part formed by the inclined planes of the precast concrete monomers, four layers of unit bodies with gradually increased heights are precast concrete by combining the design of the drainage gradient of the road, and the section with each level of height intercepts and filters garbage and impurities in rainwater runoff again; at last the rainwater runoff that purifies through the interception sinks recessed curb through the inclined plane of prefabricated concrete monomer second structure, directly arranges into the roadside green belt, realizes effectively utilizing of rainwater resource, the utility model discloses the collection of nearly pedestrian road surface rainwater runoff is accelerated greatly and is discharged, through the actual experiment (simulation raining and near rainwater drainage guide rubbish impurity environment), the utility model discloses the average flow rate of road surface rainwater runoff of greenbelt rainwater drainage guide improves about 35% than current rainwater drainage guide to 75% rubbish impurity intercepts and filters in the rainwater runoff, and current rainwater drainage guide does not have rubbish impurity and intercepts and filtering capability. If the length of the lowest point of the upper surface of the prefabricated concrete unit body of the road rainwater guide opening from the lower surface of the prefabricated concrete unit body of the road rainwater guide opening is adjusted to be 40 millimeters, the raised cross section is too small, the effect of rainwater impurity retention is not achieved, and the rainwater guide opening is caused to intercept and filter 35% of garbage impurities in rainwater runoff.
The above is only the embodiment of the present invention, not the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, or directly or indirectly, and the same principle is included in the protection scope of the present invention.

Claims (10)

1. A sidewalk rainwater guide opening is characterized by comprising prefabricated concrete and a drainage cast iron grate of a road rainwater guide opening; the road rainwater guide port prefabricated concrete comprises a plurality of road rainwater guide port prefabricated concrete unit bodies; the prefabricated concrete unit body of the road rainwater guide port comprises a first structure and a second structure; the first structure and the second structure are integrated; the upper surface of the first structure is an inclined surface; the upper surface of the second structure is an inclined surface; the lowest point of the inclined plane of the first structure is coincided with the lowest point of the inclined plane of the second structure; the length, the width and the thickness of the first structure are respectively consistent with those of the second structure; the plurality of road rainwater guide port prefabricated concrete unit bodies are sequentially arranged; the length of the road rainwater guide opening precast concrete is consistent with that of the drainage cast iron comb.
2. A sidewalk rainwater drainage guide according to claim 1, wherein the inclined surface is a downwardly inclined surface; in the first structure, the inclination angle of the inclined plane is 9-10 degrees; in the second structure, the inclination angle of the inclined plane is 3-4 degrees; the upper surface of the first structure is a triangular structure; the upper surface of the second structure is a triangular structure; the long side of the upper surface triangular structure of the first structure coincides with the long side of the upper surface triangular structure of the second structure.
3. A sidewalk rainwater drainage port according to claim 1, wherein the plurality of road rainwater drainage port prefabricated concrete unit bodies are of an integrated structure; in the road rainwater guide port prefabricated concrete, the directions of inclined planes of adjacent road rainwater guide port prefabricated concrete unit bodies are consistent.
4. A sidewalk rainwater drainage port according to claim 1, wherein in the road rainwater drainage port prefabricated concrete, in the adjacent road rainwater drainage port prefabricated concrete unit bodies, a first structure of one road rainwater drainage port prefabricated concrete unit body is in contact with a second structure of another road rainwater drainage port prefabricated concrete unit body.
5. A sidewalk drain spout according to claim 1, wherein the inclined surface of the second structure faces the drainage cast iron grate.
6. A green belt rainwater guide opening is characterized by comprising prefabricated concrete of a road rainwater guide opening and a concave curb; the road rainwater guide port prefabricated concrete comprises a plurality of road rainwater guide port prefabricated concrete unit bodies; the prefabricated concrete unit body of the road rainwater guide port comprises a first structure and a second structure; the first structure and the second structure are integrated; the upper surface of the first structure is an inclined surface; the upper surface of the second structure is an inclined surface; the lowest point of the inclined plane of the first structure is coincided with the lowest point of the inclined plane of the second structure; the length, the width and the thickness of the first structure are respectively consistent with those of the second structure; the plurality of road rainwater guide port prefabricated concrete unit bodies are sequentially arranged; the length of the road rainwater guide opening precast concrete is consistent with that of the concave curb.
7. The rain guide for the green belt of claim 6, wherein the inclined surface is a surface inclined downward; in the first structure, the inclination angle of the inclined plane is 9-10 degrees; in the second structure, the inclination angle of the inclined plane is 3-4 degrees; the upper surface of the first structure is a triangular structure; the upper surface of the second structure is a triangular structure; the long side of the upper surface triangular structure of the first structure coincides with the long side of the upper surface triangular structure of the second structure.
8. A rain guide for a green belt according to claim 6, wherein the prefabricated concrete units of the plurality of road rain guides are of an integral structure; in the road rainwater guide port prefabricated concrete, the directions of inclined planes of adjacent road rainwater guide port prefabricated concrete unit bodies are consistent.
9. The rain guide for green belts as claimed in claim 6, wherein in the prefabricated concrete for road rain guide, the prefabricated concrete units for adjacent road rain guide are arranged such that the first structure of the prefabricated concrete units for one road rain guide is in contact with the second structure of the prefabricated concrete units for another road rain guide.
10. A green belt rain guide according to claim 6, wherein the inclined surface of the second structure faces the recessed curb.
CN202020012586.4U 2019-03-15 2019-03-15 Sidewalk rainwater guide opening and green belt rainwater guide opening Active CN212427456U (en)

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CN201920332644.9U CN210049366U (en) 2019-03-15 2019-03-15 Road rainwater leading opening prefabricated concrete and road rainwater leading opening prefabricated concrete unit body
CN202020012586.4U CN212427456U (en) 2019-03-15 2019-03-15 Sidewalk rainwater guide opening and green belt rainwater guide opening

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