Drainage integrated pavement structure

Abstract

The invention relates to the technical field of road engineering, and discloses a drainage integrated pavement structure which comprises an asphalt pavement, the two sides of the surface of the asphalt pavement are arranged to be inclined, a protective cover is fixedly installed on the inclined surface, and a plurality of connecting plates are fixedly installed on the surface of the protective cover; through grooves for guiding are formed in the two sides of the surface of the asphalt pavement, a permeable surface layer is arranged at the bottom of the asphalt pavement, guiding grooves are formed in the two sides of the surface of the permeable surface layer, clamping plates are clamped in the guiding grooves, and filtering assemblies are fixedly installed at the edges of the bottoms of the guiding grooves. A drainage base layer is fixedly mounted at the bottom of the permeable surface layer, an absorption layer is fixedly mounted at the bottom of the drainage base layer, and diversion trenches are formed in the two sides of the surface of the absorption layer. The filter cartridge is driven by the servo motor to rotate for self-cleaning, so that the technical bottleneck that pores of a permeable material are easy to block is fundamentally solved, the frequency and the cost of manual flushing maintenance are remarkably reduced, and long-term stability of a pavement drainage function is ensured.

Description

Technical Field

[0001] This invention relates to the field of road engineering technology, specifically to an integrated drainage pavement structure. Background Technology

[0002] Traditional urban road drainage relies mainly on the cross slope of the road surface to collect rainwater into the curbside ditch, and then discharge it into the underground pipe network through storm drains. This "rapid drainage" mode is prone to overloading the pipe network and causing water accumulation on the road surface during heavy rainfall. Furthermore, it cannot effectively intercept pollutants such as road surface oil and heavy metal particles carried in the initial rainwater, resulting in non-point source pollution.

[0003] While permeable pavements promoted in recent years can achieve rainwater infiltration, they suffer from the following bottlenecks: Pores are easily clogged, making maintenance difficult: Permeable pores are easily blocked by silt and organic matter, leading to a rapid decline in permeability. Traditional maintenance methods such as high-pressure washing are inefficient and easily damage the structure. Lack of tiered treatment and intelligent control capabilities: They cannot differentiate between different levels of rainwater pollution (e.g., collecting heavily polluted initial rainwater and reusing or infiltrating clean later rainwater), nor can they automatically warn and clean based on clogging conditions. Single-function structural layers lack integration: Each structural layer (such as the permeable surface layer, drainage base layer, and water storage layer) functions relatively independently, failing to form a coordinated and intelligent integrated system of "infiltration, retention, storage, purification, and utilization."

[0004] Therefore, there is an urgent need for an innovative pavement structure with long-term permeability, intelligent sewage cleaning, rainwater and sewage separation and rainwater resource utilization capabilities. Summary of the Invention

[0005] The purpose of this invention is to provide an integrated drainage pavement structure to solve the problems mentioned in the background art, such as the ease of clogging and maintenance of existing permeable pavements, and the lack of pollutant classification treatment and intelligent control.

[0006] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution:

[0007] The present invention is an integrated drainage pavement structure, including an asphalt pavement. Both sides of the surface of the asphalt pavement are set as inclined, and a protective cover is fixedly installed on the inclined surface. Several connecting plates are fixedly installed on the surface of the protective cover. Both sides of the surface of the asphalt pavement are provided with through grooves for guidance.

[0008] The bottom of the asphalt pavement is provided with a permeable surface layer. Guide grooves are provided on both sides of the surface of the permeable surface layer. A snap-fit ​​plate is snapped into the inside of the guide groove. A filter assembly is fixedly installed at the bottom edge of the guide groove. A drainage base layer is fixedly installed at the bottom of the permeable surface layer.

[0009] An absorbent layer is fixedly installed at the bottom of the drainage base layer. A flow guide groove is provided on both sides of the surface of the absorbent layer. A storage component is provided inside the flow guide groove. An anti-seepage isolation layer is provided at the bottom of the absorbent layer.

[0010] Furthermore, the filter assembly includes an inclined frame fixedly installed at the bottom edge of the guide groove. A filter cylinder is rotatably connected to one side of the bottom of the inclined frame, and a positioning cover is rotatably connected to the bottom of the filter cylinder. A rotation groove is formed on one side of the surface of the positioning cover. Connecting plates are fixedly installed on both sides of the bottom of the inclined frame. A positioning block is fixedly installed on the bottom of the connecting plate. An installation groove is formed inside the positioning block. A servo motor is fixedly installed inside the installation groove. A meshing plate is fixedly installed at the output end of the servo motor. The meshing plate rotates inside the rotation groove.

[0011] The core self-cleaning filter unit at the front end of the water permeation path. The filter cartridge is used to intercept larger particles and suspended solids; the servo motor can drive the meshing plate, which in turn drives the filter cartridge to rotate or vibrate slowly on its axis, causing the pollutants attached to the outside of the cartridge to be shaken off to the collection area below, achieving automatic cleaning without manual cleaning.

[0012] Furthermore, the surface of the filter cartridge has interlocking grooves that mesh with the surface of the interlocking plate, and the interlocking plate drives the filter cartridge to rotate.

[0013] The meshing threads and meshing plates ensure reliable power transmission and make the rotational movement of the filter cartridge precise and controllable.

[0014] Furthermore, the surface of the positioning block is provided with several through grooves in the horizontal direction, the through grooves are located above the guide grooves, and the through grooves guide the sewage.

[0015] The through-channel serves as a collection and guidance channel for the water flow after preliminary filtration, guiding it in an orderly manner to the next treatment stage.

[0016] Furthermore, the storage assembly includes a filter frame fixedly installed in the guide channel and slidably connected inside the guide channel. A blocking block is provided below the filter frame, and several telescopic rods are fixedly installed at the bottom of the blocking block. Springs are sleeved on the surface of the telescopic rods, and a limiting plate is fixedly installed at the bottom of the telescopic rods. A drainage channel is provided on one side of the inner wall of the guide channel, and a guide pipe is fixedly installed inside the drainage channel. A storage tank for storing sewage is provided at one end of the guide pipe, and the storage tanks are connected to each other through connecting pipes.

[0017] It achieves intelligent separation of rainwater and sewage and collection of pollutants. The filter frame can further trap fine particulate matter; the blocking block supported by springs and telescopic rods constitutes a "pressure-triggered valve".

[0018] Furthermore, the size of the blocking block is adapted to the size of the drainage channel, the blocking block can seal the drainage channel, and the downward movement of the blocking block can open the drainage channel.

[0019] When there is no water flow or the water pressure is low, the spring lifts the blocking block, closing the drainage channel leading to the storage tank, allowing relatively clean water to seep into the water or be directed to the reuse system. When the rainfall intensity is high and the water flow impact force is strong, the water pressure overcomes the spring force and presses down the blocking block, opening the drainage channel and guiding the highly polluted initial runoff into the storage tank for temporary storage, before being sent to the wastewater treatment plant.

[0020] Furthermore, sliding blocks are fixedly installed on both sides of the surface of the filter frame. The sliding blocks slide inside the flow guide groove, and the filter frame can be quickly installed and replaced through the flow guide groove.

[0021] The modular filter frame makes it easy to remove for cleaning or replacement periodically, making maintenance extremely convenient.

[0022] Furthermore, the drainage base layer surface is provided with insertion grooves on both sides, the size of the insertion grooves is adapted to the size of the inclined frame, and the insertion grooves are sealed to both sides of the inclined frame.

[0023] The plug-in groove enables a tight and quick connection and seal between the filter assembly and the drainage base layer, preventing short circuits in the water flow and ensuring that all water flows are filtered.

[0024] Furthermore, the absorbent layer has a cavity inside, one end of which is connected to the interior of the storage tank, and the other end of which is connected to an external water storage tank.

[0025] The absorption layer itself has water storage and slow release functions. Its cavity can be regarded as an underground invisible water storage module, which can slowly replenish the surrounding soil or export the supernatant after sedimentation in the storage pool or the clean rainwater collected directly to the storage pool for reuse, thus realizing the resource utilization of rainwater.

[0026] The present invention has the following beneficial effects:

[0027] This invention solves the technical bottleneck of easy clogging of permeable material pores by using a servo motor to drive the filter cylinder to rotate and self-clean, significantly reducing the frequency and cost of manual flushing and maintenance, and ensuring the long-term stability of road drainage function.

[0028] This invention utilizes a storage component that automatically switches the flow direction based on water pressure, directing heavily polluted initial rainwater into a storage tank for centralized treatment, while guiding relatively cleaner later rainwater into infiltration or a reuse system. This effectively reduces non-point source pollution, aligning with the "source reduction and process control" concept of sponge cities.

[0029] This invention employs a modular and detachable design for its core functional units, such as the filter assembly and storage assembly. Structures such as snap-fit ​​plates and sliding blocks allow for quick and localized maintenance tasks, including dredging and filter media replacement, without the need for large-scale road excavation. This significantly improves maintenance efficiency and reduces total lifecycle costs. Attached Figure Description

[0030] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 This is a schematic diagram of the disassembled structure of the present invention;

[0033] Figure 3 This is a schematic diagram of the filter component structure of the present invention;

[0034] Figure 4 This is a schematic diagram of the storage component structure of the present invention;

[0035] Figure 5 This is a schematic diagram of the asphalt pavement structure of the present invention.

[0036] The attached diagram lists the components represented by each number as follows:

[0037] In the diagram: 1. Asphalt pavement; 2. Protective cover; 3. Connecting plate; 4. Permeable surface layer; 5. Clip plate; 6. Filter assembly; 61. Inclined frame; 62. Filter cylinder; 63. Positioning cover; 64. Connecting plate; 65. Positioning block; 66. Servo motor; 67. Engaging plate; 7. Drainage base layer; 8. Absorbent layer; 9. Storage assembly; 91. Filter frame; 92. Blocking block; 93. Telescopic rod; 94. Spring; 95. Limiting plate; 96. Guide pipe; 97. Storage tank; 10. Impermeable isolation layer. Detailed Implementation

[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] Please see Figures 1-5As shown, the present invention is an integrated drainage pavement structure, including an asphalt pavement 1. Both sides of the surface of the asphalt pavement 1 are set as inclined, and a protective cover 2 is fixedly installed on the inclined surface. Several connecting plates 3 are fixedly installed on the surface of the protective cover 2. Both sides of the surface of the asphalt pavement 1 are provided with through grooves for guidance.

[0040] The bottom of the asphalt pavement 1 is provided with a permeable surface layer 4. Guide grooves are provided on both sides of the surface of the permeable surface layer 4. A snap-fit ​​plate 5 is snapped into the inside of the guide groove. A filter component 6 is fixedly installed at the bottom edge of the guide groove. A drainage base layer 7 is fixedly installed at the bottom of the permeable surface layer 4. Insertion grooves are provided on both sides of the surface of the drainage base layer 7. The size of the insertion groove is adapted to the size of the inclined frame 61. The insertion groove is sealed to both sides of the inclined frame 61.

[0041] An absorbent layer 8 is fixedly installed at the bottom of the drainage base layer 7. A flow guide groove is provided on both sides of the surface of the absorbent layer 8. A storage component 9 is provided inside the flow guide groove. An anti-seepage isolation layer 10 is provided at the bottom of the absorbent layer 8. A cavity is provided inside the absorbent layer 8. One end of the cavity is connected to the inside of the storage tank 97, and the other end of the cavity is connected to the outside water storage tank.

[0042] The filter assembly 6 includes an inclined frame 61 fixedly installed at the bottom edge of the guide channel. A filter cylinder 62 is rotatably connected to one side of the bottom of the inclined frame 61. A positioning cover 63 is rotatably connected to the bottom of the filter cylinder 62. A rotating groove is opened on one side of the surface of the positioning cover 63. Connecting plates 64 are fixedly installed on both sides of the bottom of the inclined frame 61. A positioning block 65 is fixedly installed on the bottom of the connecting plate 64. An installation groove is opened inside the positioning block 65. A servo motor 66 is fixedly installed inside the installation groove. A meshing plate 67 is fixedly installed at the output end of the servo motor 66. The meshing plate 67 rotates inside the rotating groove. The surface of the filter cylinder 62 has meshing patterns that mesh with the surface of the meshing plate 67. The meshing plate 67 drives the filter cylinder 62 to rotate. Several through grooves are opened laterally on the surface of the positioning block 65. The through grooves are located above the guide channel and guide the sewage.

[0043] Rainwater flows to both sides through the asphalt pavement 1, and then enters the permeable surface layer 4 through the through-channel. The snap-fit ​​plate 5 on the permeable surface layer 4 will perform the first filtration and guidance of the rainwater. The rainwater enters the inclined frame 61 along the guide and flows downward through the inclined frame 61 into the filter cylinder 62. After the sensor detects that the rainwater has entered the filter cylinder 62, it will start the servo motor 66. Its output end will drive the meshing plate 67 to rotate. When the meshing plate 67 rotates, it will drive the filter cylinder 62 to rotate through the rotating groove. The rainwater inside the filter cylinder 62 will rotate accordingly. The rainwater is thrown out by the rotation of the filter cylinder 62, while foreign objects are retained inside the filter cylinder 62. After the rainwater undergoes a second filtration, it flows downward and enters the absorption layer 8 through the drainage base layer 7. The downward guiding structure accelerates the flow speed of the rainwater, speeds up the rainwater discharge efficiency, and filters foreign objects from the rainwater.

[0044] The storage component 9 includes a filter frame 91 fixedly installed in the guide channel and slidably connected inside the guide channel. A blocking block 92 is provided below the filter frame 91. Several telescopic rods 93 are fixedly installed at the bottom of the blocking block 92. Springs 94 are sleeved on the surface of the telescopic rods 93. A limiting plate 95 is fixedly installed at the bottom of the telescopic rods 93. A drainage channel is opened on one side of the inner wall of the guide channel. A guide pipe 96 is fixedly installed inside the drainage channel. A storage tank 97 for storing sewage is provided at one end of the guide pipe 96. The storage tanks 97 are connected to each other by a connecting pipe. The size of the blocking block 92 is adapted to the size of the guide channel. The blocking block 92 can seal the drainage channel. The blocking block 92 can open the drainage channel by moving downward. Sliding blocks are fixedly installed on both sides of the surface of the filter frame 91. The sliding blocks slide inside the guide channel. The sliding blocks can quickly install and replace the filter frame 91 through the guide channel.

[0045] When rainfall is excessive, the rainwater will first be filtered through the filter frame 91. After the impurities in the sewage are filtered out, they will fall downwards onto the surface of the blocking block 92. If there is too much rainwater inside the diversion channel, it will squeeze the blocking block 92 downwards. The blocking block 92 will then squeeze the spring 94 on the telescopic rod 93 on the surface of the limiting plate 95, causing the blocking block 92 to move downwards. The drainage channel on the inner wall of the diversion channel will then be exposed, and the rainwater will enter the storage tank 97 through the guide pipe 96 for sedimentation. When needed, it can be pumped out and used by a water pump or other means. When the rainfall decreases, the spring 94 on the surface of the telescopic rod 93 will drive the blocking block 92 upwards to seal the drainage channel, improving the efficiency of quickly adjusting the drainage volume for different rainfall amounts, reducing manual operation, and the stored rainwater can be used for irrigation of farmland.

[0046] Working Principle: When rainfall is low, rainwater infiltrates through the through-channels of the asphalt pavement 1 or the permeable surface layer 4. Large particles are intercepted as it flows through the filter cylinder 62, which rotates periodically for self-cleaning. Water flows through the through-channels of the positioning block 65 into the guide channel. At this time, the water pressure is low, and the blocking block 92, under the action of the spring 94, closes the drainage channel, allowing water to seep into the absorption layer 8 for storage or infiltration. When rainfall is high, the increased high-intensity runoff pressure overcomes the elastic force of the spring 94, pressing down the blocking block 92 and opening the drainage channel. Heavily polluted initial rainwater is further filtered by the filter frame 91 and then quickly discharged into the storage tank 97 through the guide pipe 96 for temporary sedimentation. Wastewater in the storage tank 97 is periodically transported out for treatment. The filter frame 91 can be removed for cleaning. Clean rainwater collected in the absorption layer 8 and storage tank 97 can be piped to a reservoir for reuse. The system's operating status can be monitored, enabling intelligent management.

[0047] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A drainage integrated pavement structure, comprising an asphalt pavement (1), wherein both sides of the surface of the asphalt pavement (1) are set as inclined, a protective cover (2) is fixedly installed on the inclined surface, and a plurality of connecting plates (3) are fixedly installed on the surface of the protective cover (2), and through grooves for guidance are opened on both sides of the surface of the asphalt pavement (1), characterized in that: The bottom of the asphalt pavement (1) is provided with a permeable surface layer (4). Guide grooves are provided on both sides of the surface of the permeable surface layer (4). A snap-fit ​​plate (5) is snapped into the inside of the guide groove. A filter assembly (6) is fixedly installed at the bottom edge of the guide groove. A drainage base layer (7) is fixedly installed at the bottom of the permeable surface layer (4). An absorbent layer (8) is fixedly installed at the bottom of the drainage base layer (7). A flow guide groove is provided on both sides of the surface of the absorbent layer (8). A storage component (9) is provided inside the flow guide groove. An anti-seepage isolation layer (10) is provided at the bottom of the absorbent layer (8).

2. The integrated drainage pavement structure according to claim 1, characterized in that: The filter assembly (6) includes an inclined frame (61) fixedly installed at the bottom edge of the guide groove. A filter cylinder (62) is rotatably connected to one side of the bottom of the inclined frame (61). A positioning cover (63) is rotatably connected to the bottom of the filter cylinder (62). A rotating groove is provided on one side of the surface of the positioning cover (63). A connecting plate (64) is fixedly installed on both sides of the bottom of the inclined frame (61). A positioning block (65) is fixedly installed on the bottom of the connecting plate (64). An installation groove is provided inside the positioning block (65). A servo motor (66) is fixedly installed inside the installation groove. A meshing plate (67) is fixedly installed at the output end of the servo motor (66). The meshing plate (67) rotates inside the rotating groove.

3. The integrated drainage pavement structure according to claim 2, characterized in that: The surface of the filter cylinder (62) has meshing patterns that mesh with the surface of the meshing plate (67), and the meshing plate (67) drives the filter cylinder (62) to rotate.

4. The integrated drainage pavement structure according to claim 2, characterized in that: The surface of the positioning block (65) is provided with several through grooves in the horizontal direction. The through grooves are located above the guide grooves and guide the sewage.

5. The integrated drainage pavement structure according to claim 1, characterized in that: The storage component (9) includes a filter frame (91) fixedly installed in the guide channel and slidably connected inside the guide channel. A blocking block (92) is provided below the filter frame (91). Several telescopic rods (93) are fixedly installed at the bottom of the blocking block (92). Springs (94) are sleeved on the surface of the telescopic rods (93). A limiting plate (95) is fixedly installed at the bottom of the telescopic rods (93). A drainage channel is provided on one side of the inner wall of the guide channel. A guide pipe (96) is fixedly installed inside the drainage channel. A storage tank (97) for storing sewage is provided at one end of the guide pipe (96). The storage tanks (97) are connected to each other through connecting pipes.

6. The integrated drainage pavement structure according to claim 5, characterized in that: The size of the blocking block (92) is adapted to the size of the guide channel. The blocking block (92) can seal the drainage channel. The blocking block (92) can open the drainage channel by moving downward.

7. The integrated drainage pavement structure according to claim 5, characterized in that: Sliding blocks are fixedly installed on both sides of the surface of the filter frame (91). The sliding blocks slide inside the guide groove. The sliding blocks can quickly install and replace the filter frame (91) through the guide groove.

8. The integrated drainage pavement structure according to claim 1, characterized in that: The drainage base layer (7) has insertion grooves on both sides of its surface. The size of the insertion grooves is adapted to the size of the inclined frame (61). The insertion grooves seal both sides of the inclined frame (61).

9. The integrated drainage pavement structure according to claim 1, characterized in that: The absorbent layer (8) has a cavity inside, one end of which is connected to the interior of the storage tank (97), and the other end of which is connected to the external water storage tank.

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