Road drainage facility suitable for environment sensitive area

Abstract

The utility model provides a road drainage facility suitable for an environment sensitive area, which comprises a road surface body, a slope body arranged on one side of the road surface body, a groove dug downwards between the road surface body and the slope body, a bottom wall arranged on the inner bottom surface of the groove, and a road surface end concrete side wall arranged on the side surface, close to the road surface body, of the bottom wall. The slope end concrete side wall is arranged on the side face, close to the slope body, of the bottom wall, the concrete middle wall is arranged on the top face of the bottom wall, by arranging the bottom wall, the concrete middle wall, the slope end concrete side wall, the road surface sewage side ditch, the slope surface water catchment side ditch and the drainage hole, it can be prevented that unpolluted rainwater on the slope surface converges into the oil-water separation pool, and the working pressure of the separation pool is effectively reduced; in addition, the size can be adjusted according to the road surface water collection amount and the slope surface water collection amount, and the flexibility is higher; and meanwhile, when the dangerous chemical vehicle leaks, the road surface side ditch can effectively collect leaked objects to the oil-water separation tank, so that the influence of pollutant infiltration on an environment sensitive area is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of drainage facilities technology, and in particular to a road drainage facility suitable for environmentally sensitive areas. Background Technology

[0002] During highway construction, due to factors such as topography, routes inevitably pass through environmentally sensitive areas such as water sources or nature reserves. According to relevant laws and regulations, initial rainwater runoff from road surfaces is polluting and should not be directly discharged into environmentally sensitive areas. Instead, road wastewater must be treated through oil-water separators and other methods before being discharged outside the environmentally sensitive areas. Therefore, the design of drainage facilities for highways in environmentally sensitive areas is essential.

[0003] In existing environmentally sensitive areas, excavated road sections often use uncovered drainage ditches to collect road wastewater and slope runoff simultaneously. Although this method is relatively inexpensive and simple to construct, it results in larger ditch sizes when the drainage section is long and the slope runoff is large. Furthermore, it is difficult to separate the road wastewater and slope runoff after they have converged. Oil-water separators have high water pressure and poor separation efficiency. Especially in cases of accidents such as leaks from high-risk transport vehicles, when the size of the ditch is large, the top height of the pollutants is relatively low. As a wide and shallow ditch, its flow velocity is relatively slow, making it difficult for the oil-water separator to effectively collect pollutants. The pollutants remain in the ditch for a long time and then infiltrate, which has a certain impact on environmentally sensitive areas.

[0004] Given the inadequacy of existing road surface sewage collection facilities in environmentally sensitive areas, it is essential to find a new type of drainage facility to ensure that road surface sewage can be treated in an oil-water separator before being discharged, thus avoiding any impact on environmentally sensitive areas.

[0005] Therefore, it is necessary to provide a new type of road drainage facility suitable for environmentally sensitive areas to solve the above-mentioned technical problems. Utility Model Content

[0006] The technical problem solved by this utility model is to provide a road drainage facility suitable for environmentally sensitive areas.

[0007] To solve the above-mentioned technical problems, this utility model provides a road drainage facility suitable for environmentally sensitive areas, comprising: a road surface body, a slope provided on one side of the road surface body, a trench excavated between the road surface body and the slope, a bottom wall provided on the inner bottom surface of the trench, a road end concrete side wall provided on the side of the bottom wall near the road surface body, a slope end concrete side wall provided on the side of the bottom wall near the slope, a concrete middle wall provided on the top surface of the bottom wall, a slope drainage ditch formed between the concrete middle wall and the slope end concrete side wall for draining water flow on the slope, a road sewage ditch formed between the concrete middle wall and the road end concrete side wall for draining sewage on the road surface body, and a plurality of drainage holes for seepage are provided on one side of the road end concrete side wall; and an anti-clogging mechanism provided on one side of the concrete middle wall to prevent the drainage holes from being blocked.

[0008] Preferably, a composite geomembrane is laid inside the trench, and the side of the concrete sidewall at the road end, the bottom surface of the bottom wall, and the side of the concrete sidewall at the slope end are in contact with the composite geomembrane.

[0009] Preferably, a number of guardrails for protection are fixedly installed on the top surface of the road surface body.

[0010] Preferably, a retaining wall is constructed on the top surface of the concrete sidewall at the slope end, the upper end of the retaining wall bends toward one side of the slope, multiple steel reinforcement bodies are pre-embedded inside the retaining wall, and several permeable holes for water permeability are opened on one side of the retaining wall.

[0011] Preferably, a plurality of fixed rods are pre-embedded on one side of the concrete wall. A lower end cap is fixedly installed at one end of each fixed rod, and an upper end cap is provided on the top surface of the lower end cap. A connecting rod is rotatably connected to the inner circular wall of the drain hole. A spiral blade is fixedly installed on the outer circular wall of the connecting rod. A plurality of baffles are fixedly installed on the outer circular wall of the connecting rod. A connecting block is fixedly installed at one end of the connecting rod, and the connecting block is rotatably connected to the lower end cap and the upper end cap.

[0012] Preferably, two support blocks are fixedly installed on the outer circular wall surface of the upper end cover and the outer circular wall surface of the lower end cover, and a threaded post is threadedly connected between the two support blocks.

[0013] Compared with related technologies, the road drainage facility provided by this utility model, suitable for environmentally sensitive areas, has the following beneficial effects:

[0014] This invention provides a road drainage facility suitable for environmentally sensitive areas. Through the coordinated arrangement of a base wall, concrete side walls at the road surface end, a concrete middle wall, concrete side walls at the slope end, road sewage ditches, slope catchment ditches, and drainage holes, it prevents uncontaminated rainwater from flowing into the oil-water separation tank, effectively reducing the working pressure on the separation tank. Furthermore, its dimensions can be adjusted according to the road surface and slope catchment volumes, offering greater flexibility. Simultaneously, when hazardous chemical vehicles leak, the roadside ditches effectively collect the leaked material into the oil-water separation tank, significantly reducing the impact of pollutant infiltration on environmentally sensitive areas. This invention can separate and utilize uncontaminated slope water, conserving water resources. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0016] Figure 2 This is a schematic diagram of the installation structure of the bottom wall and the concrete side wall at the road surface end of this utility model.

[0017] Figure 3 for Figure 2 A magnified schematic diagram of a portion of the structure of A in the diagram;

[0018] Figure 4 This is a schematic diagram of the connection structure between the drain hole and the connecting rod of this utility model;

[0019] Figure 5 This is a schematic diagram of the installation structure of the lower end cover and the upper end cover of this utility model.

[0020] Numbered in the diagram: 1. Road surface body; 2. Slope; 3. Base wall; 4. Anti-clogging mechanism; 5. Guardrail; 6. Concrete side wall at the end of the road surface; 7. Concrete central wall; 8. Concrete side wall at the end of the slope; 9. Composite geomembrane; 10. Retaining wall; 11. Reinforcing steel body; 12. Permeable hole; 13. Road surface sewage ditch; 14. Slope drainage ditch; 15. Drainage hole; 16. Connecting rod; 17. Helical blade; 18. Connecting block; 19. Fixing rod; 20. Lower end cap; 21. Upper end cap; 22. Connecting hole; 23. Baffle; 24. Support block; 25. Threaded column. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please refer to the following: Figure 1 - Figure 5 ,in, Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the installation structure of the bottom wall and the concrete side wall at the road surface end of this utility model. Figure 3 for Figure 2A magnified schematic diagram of a portion of the structure of A in the diagram; Figure 4 This is a schematic diagram of the connection structure between the drain hole and the connecting rod of this utility model; Figure 5 This is a schematic diagram of the installation structure of the lower and upper end caps of this utility model. A road drainage facility suitable for environmentally sensitive areas includes a road surface body 1, a slope 2 on one side of the road surface body 1, a trench excavated between the road surface body 1 and the slope 2, a bottom wall 3 on the inner bottom surface of the trench, and a concrete bottom wall 3 constructed on the inner bottom surface of the trench. A road surface end concrete side wall 6 is provided on the side of the bottom wall 3 near the road surface body 1, and a slope end concrete side wall 8 is provided on the side of the bottom wall 3 near the slope 2. A concrete middle wall 7 is provided on the top surface of the bottom wall 3. The bottom wall 3, the road surface end concrete side wall 6, the concrete middle wall 7, and the slope end concrete side wall 8 are all made of steel. The reinforced concrete structure is constructed with carpentry support. A slope drainage ditch 14 is formed between the concrete central wall 7 and the concrete side wall 8 at the slope end to drain water from the slope 2. A road sewage ditch 13 is formed between the concrete central wall 7 and the concrete side wall 6 at the road end to drain sewage from the road body 1. Several drainage holes 15 for seepage are opened on one side of the concrete side wall 6 at the road end. Sewage seeping into the road body 1 enters the road sewage ditch 13 through the multiple drainage holes 15. An anti-clogging mechanism 4 is set on one side of the concrete central wall 7 to prevent the drainage holes 15 from being blocked.

[0023] In the above method, rainwater falling onto the top surface of the road body 1 will be contaminated by the road body 1. At the same time, the rainwater will also collect on the slope 2. The road sewage ditch 13, formed by the concrete side wall 6 and the concrete middle wall 7 at the road end, can collect the sewage from the road body 1. The slope water collection ditch 14, formed by the concrete middle wall 7 and the concrete side wall 8 at the slope end, can collect the water flow from the slope 2. Some of the sewage on the road body 1 directly enters the interior of the road sewage ditch 13, while the sewage that seeps into the interior of the road body 1 will enter the interior of the road sewage ditch 13 through multiple drainage holes 15. This prevents the water flow on the slope 2 from flowing into the oil-water separation tank while efficiently and quickly collecting the sewage on the road body 1, reducing the water storage pressure of the oil-water separation tank, and achieving a better treatment effect.

[0024] The specific plan is as follows:

[0025] Preparation stage: According to the design drawings, mark the center line and edge line of the double ditch on both sides of the road body 1, check the accuracy of the layout, and ensure that the dimensions of the ditch meet the requirements;

[0026] Excavation stage: Use an excavator to excavate the trench, while taking care to protect the stability of slope 2. When the excavation reaches 10-15cm of the designed size, switch to manual excavation to ensure the trench size is accurate, remove debris from the trench, and ensure that the bottom of the trench is flat.

[0027] Construction phase: Compact the bottom of the trench to ensure foundation stability. Before concrete construction, lay a layer of sloping concrete sidewall 8 at the bottom to prevent water seepage from affecting the roadbed and environment. Use formwork or mechanical slipform construction in the trench. During construction, reserve drainage holes 15 on the road surface side. During construction, check the verticality, horizontality and thickness of the wall bottom to ensure that they meet the requirements.

[0028] The interior of the trench is lined with a composite geomembrane 9. The side of the concrete sidewall 6 at the road end, the bottom surface of the bottom wall 3, and the side of the concrete sidewall 8 at the slope end are in contact with the composite geomembrane 9. The concrete sidewall 8 at the slope end prevents the exchange of water between the road sewage ditch 13 and the surrounding soil.

[0029] In this method, the slope end concrete sidewall 8 can prevent groundwater in the surrounding soil from seeping into the road sewage ditch 13 and the slope water collection ditch 14. At the same time, the slope end concrete sidewall 8 can also prevent the water inside the road sewage ditch 13 and the slope water collection ditch 14 from exchanging with the surrounding soil, thereby ensuring the drainage effect.

[0030] Several guardrails 5 for protection are fixedly installed on the top surface of the road body 1. During the construction of the road body 1, connectors need to be pre-embedded in the road surface. When installing the guardrails 5, the guardrails 5 and the pre-embedded parts can be connected, which is stable and reliable.

[0031] In this method, the guardrail 5 can block vehicles on the road body 1, preventing them from entering the road sewage ditch 13 or the slope drainage ditch 14.

[0032] A retaining wall 10 is constructed on the top surface of the concrete side wall 8 at the slope end. The upper end of the retaining wall 10 bends toward one side of the slope 2. Multiple steel bars 11 are pre-embedded inside the retaining wall 10. The steel bars 11 can reinforce the retaining wall 10. Several permeable holes 12 for water permeability are opened on one side of the retaining wall 10.

[0033] In this method, the retaining wall 10 can block the soil rolling down the slope 2 and prevent the soil from entering the slope drainage ditch 14. Multiple steel bars 11 can reinforce the retaining wall 10 to prevent it from collapsing. The water collected on the slope 2 enters the interior of the slope drainage ditch 14 through the water-permeable holes 12 on the retaining wall 10.

[0034] Several fixing rods 19 are pre-embedded on one side of the concrete wall 7. A lower end cover 20 is fixedly installed on one end of the fixing rod 19. An upper end cover 21 is provided on the top surface of the lower end cover 20. A connecting rod 16 is rotatably connected to the inner circular wall of the drain hole 15. A spiral blade 17 is fixedly installed on the outer circular wall of the connecting rod 16. Several baffles 23 are fixedly installed on the outer circular wall of the connecting rod 16. When the wind blows the baffles 23, the baffles 23 drive the connecting rod 16 and the spiral blade 17 to rotate inside the drain hole 15. The rotation of the spiral blade 17 drives the oil stains blocked inside the drain hole 15 to move outward. A connecting block 18 is fixedly installed on one end of the connecting rod 16. The connecting block 18 is rotatably connected to the lower end cover 20 and the upper end cover 21. A connecting hole 22 is opened on one side of the upper end cover 21 and one side of the lower end cover 20. The outer circular wall of the connecting rod 16 is rotatably connected to the inner circular wall of the connecting hole 22.

[0035] In this method, the sewage on the road surface body 1 may carry oil. As the oil enters the road sewage ditch 13 through the drainage hole 15, it will block the inside of the drainage hole 15. When there is wind outdoors, the wind will drive multiple baffles 23 to rotate. The rotation of the baffles 23 will drive the connecting rod 16 to rotate. The rotation of the connecting rod 16 will cause the connecting block 18 to rotate between the lower end cover 20 and the upper end cover 21. The rotation of the connecting rod 16 will also drive the spiral blade 17 to rotate inside the drainage hole 15. The rotation of the spiral blade 17 will cause the oil blocked inside the drainage hole 15 to rotate outward along the drainage hole 15, preventing the drainage hole 15 from being blocked and facilitating the collection of sewage from the road surface body 14 on the slope.

[0036] Two support blocks 24 are fixedly installed on the outer circular wall of the upper end cover 21 and the outer circular wall of the lower end cover 20. A threaded post 25 is threaded between the two support blocks 24, and the upper end cover 21 and the lower end cover 20 can be locked together by the threaded post 25.

[0037] In this method, by setting the upper end cover 21, the operator places the upper end cover 21 on the top surface of the lower end cover 20, and the operator inserts the threaded post 25 into the inside of the support block 24 on the upper and lower end covers 20, thereby locking the upper end cover 21 and the lower end cover 20, and then using the upper end cover 21 and the lower end cover 20 to support the rotation of the connecting rod 16.

[0038] The working principle of the road drainage facility suitable for environmentally sensitive areas provided by this utility model is as follows: After rainwater or sewage falls on the surface of the road surface body 1, it is contaminated by the road surface body 1 and forms sewage. This sewage is collected through the road sewage ditch 13 between the concrete side wall 6 and the concrete central wall 7 at the end of the road surface. Some sewage flows directly into the ditch, while sewage that seeps into the interior of the road surface body 1 enters the road sewage ditch 13 through the drainage hole 15.

[0039] Secondly, rainwater or water flow on slope 2 is collected through slope drainage ditch 14 between concrete central wall 7 and slope end concrete side wall 8. Slope drainage ditch 14 is specifically used to collect uncontaminated slope rainwater to prevent it from mixing into the oil-water separation tank, thereby reducing the treatment pressure of the separation tank.

[0040] Finally, when the wind blows the baffle 23, the baffle 23 drives the connecting rod 16 to rotate, which in turn drives the spiral blade 17 to rotate within the drain hole 15. The rotation of the spiral blade 17 can discharge oil and other impurities that are clogging the drain hole 15, preventing the drain hole 15 from becoming blocked and ensuring the smooth flow of the drainage system. This achieves effective separation, efficient collection, and safe treatment of sewage from the road surface 1 and rainwater from the slope. At the same time, it also has the function of preventing hazardous chemical leaks and environmental pollution, and its flexible design improves the system's adaptability.

[0041] The above are merely embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A road drainage facility suitable for environmentally sensitive areas, characterized in that, include: A road surface body (1) is provided with a slope (2) on one side. A trench is excavated between the road surface body (1) and the slope (2). A bottom wall (3) is provided on the bottom surface of the trench. A road end concrete side wall (6) is provided on the side of the bottom wall (3) near the road surface body (1). A slope end concrete side wall (8) is provided on the side of the bottom wall (3) near the slope (2). A concrete middle wall (7) is provided on the top surface of the bottom wall (3). A slope surface drainage ditch (14) for draining water from the slope (2) is formed between the concrete middle wall (7) and the slope end concrete side wall (8). A road sewage ditch (13) for draining sewage from the road surface body (1) is formed between the concrete middle wall (7) and the road end concrete side wall (6). Several drainage holes (15) for seepage are opened on one side of the road end concrete side wall (6). Anti-clogging mechanism (4) is provided on the inside side of the concrete wall (7) to prevent the drain hole (15) from being blocked.

2. A road drainage facility suitable for environmentally sensitive areas according to claim 1, characterized in that, The trench is lined with a composite geomembrane (9), and the side of the concrete sidewall (6) at the road end, the bottom surface of the bottom wall (3), and the side of the concrete sidewall (8) at the slope end are in contact with the composite geomembrane (9).

3. A road drainage facility suitable for environmentally sensitive areas according to claim 2, characterized in that, Several guardrails (5) for protection are fixedly installed on the top surface of the road body (1).

4. A road drainage facility suitable for environmentally sensitive areas according to claim 1, characterized in that, A retaining wall (10) is constructed on the top surface of the concrete side wall (8) at the slope end. The upper end of the retaining wall (10) bends toward one side of the slope (2). Multiple steel reinforcement bodies (11) are pre-embedded inside the retaining wall (10). Several permeable holes (12) for water permeability are opened on one side of the retaining wall (10).

5. A road drainage facility suitable for environmentally sensitive areas according to claim 1, characterized in that, A number of fixing rods (19) are pre-embedded on one side of the concrete wall (7). A lower end cover (20) is fixedly installed on one end of the fixing rod (19). An upper end cover (21) is provided on the top surface of the lower end cover (20). A connecting rod (16) is rotatably connected to the inner circular wall of the drain hole (15). A spiral blade (17) is fixedly installed on the outer circular wall of the connecting rod (16). A number of baffles (23) are fixedly installed on the outer circular wall of the connecting rod (16). A connecting block (18) is fixedly installed on one end of the connecting rod (16). The connecting block (18) is rotatably connected to the lower end cover (20) and the upper end cover (21).

6. A road drainage facility suitable for environmentally sensitive areas according to claim 5, characterized in that, Two support blocks (24) are fixedly installed on the outer circular wall surface of the upper end cover (21) and the outer circular wall surface of the lower end cover (20), and a threaded post (25) is threaded between the two support blocks (24).

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