Waterproof drainage structure for highway construction

Abstract

The utility model relates to the technical field of civil engineering, and disclose a kind of highway construction waterproof drainage structure, including drainage well, the surface of drainage well is provided with hierarchical filtering assembly, the downside of drainage well is provided with automatic control and is discharged component, hierarchical filtering assembly includes the installation slot being opened in the surface of drainage well.The highway construction waterproof drainage structure, through the double-layer design of the coarse filtration of first filter screen cooperation second filter screen precision filtration, effectively improve impurity interception rate, large particle impurities are intercepted by first filter screen, small silt is blocked by second filter screen, the sand content of rainwater discharged into subsequent pipeline is effectively reduced, completely solve the pain point that fine silt infiltrates pipeline long-term deposition and leads to blockage, reduce pipeline excavation repair cost, combined with the synergistic effect of flow guide groove, flow guide cover and flow guide plate, form the complete path of directional water collection, concentrated flow guide, steady flow output, can solve the problem that traditional no flow guide is easily retained and easily impacted.

Description

Technical Field

[0001] This utility model relates to the field of civil engineering technology, and in particular to a waterproof and drainage structure for highway construction. Background Technology

[0002] In highway construction and operation and maintenance, waterproofing and drainage systems are core ancillary facilities that ensure the durability of highway structures and traffic safety. Their performance directly affects the service life and maintenance costs of highways. Currently, traditional highway construction waterproofing and drainage structures have many technical pain points in practical applications and are difficult to adapt to the needs of modern highways for efficient drainage, low-consumption maintenance, and long-term seepage prevention. Therefore, highway construction waterproofing and drainage structures are modular engineering structure systems specifically designed for the field of highway infrastructure. With the core objectives of efficiently draining rainwater from the road surface and preventing water erosion of the highway structure, they integrate multiple functions such as directional water guidance, graded filtration, smooth flow guidance, automatic drainage control, and sealing and seepage prevention. They are key ancillary facilities for the durability protection of highway subgrade and pavement and the guarantee of traffic safety in rainy weather.

[0003] However, existing waterproofing and drainage structures for highway construction have the following drawbacks:

[0004] (1) Traditional highway waterproofing and drainage structures are mostly single-level filters and lack directional flow guidance. They rely on single-level coarse filtration to intercept large particles of impurities. Fine mud, sand and debris may easily seep into the pipes. Long-term deposition may cause pipe blockage. At the same time, rainwater is likely to form eddies and stagnation in the structure or directly impact the pipe joints, thereby aggravating component wear.

[0005] (2) Traditional highway waterproofing and drainage structures mostly adopt fixed openings or single baffles for manual control. When it rains lightly, the open drainage may easily cause the sewer to overflow with odors and mud and sand to backflow. When it rains heavily, the fixed channel may not have enough drainage capacity, which may easily cause water accumulation on the road. At the same time, relying on manual opening and closing of the baffle makes it difficult to automatically adjust the size of the drainage channel according to the real-time rainfall, resulting in a delayed response in rainy weather.

[0006] Therefore, this utility model provides a waterproof drainage structure for highway construction. Utility Model Content

[0007] (a) Technical problems to be solved

[0008] The problem solved by this utility model is to provide a more practical waterproof and drainage structure for highway construction, which solves the problems mentioned in the background art, such as most of them being single-level filters and lacking directional flow guidance, and mostly using fixed openings or single baffles for manual control.

[0009] (II) Technical Solution

[0010] To achieve the above objectives, this utility model is implemented through the following technical solution: a waterproof drainage structure for highway construction, including a drainage well, wherein a graded filter assembly is provided on the surface of the drainage well, and an automatic drainage control assembly is provided on the lower side of the drainage well;

[0011] The graded filtration assembly includes an installation groove formed on the surface of a drainage well. Each of the four corners of the installation groove has a first threaded groove. A first filter screen is installed on the surface of the installation groove. Each of the four corners of the first filter screen has a first threaded hole corresponding to the first threaded groove. The inner walls of both the first threaded groove and the first threaded hole are threaded with first bolts. The first bolts are compatible with the first threaded groove and the first threaded hole. A flow guide is fixedly connected to the bottom of the drainage well. A flow guide hole is formed on the surface of the flow guide. A U-shaped mounting plate is fixedly connected to the inner wall of the flow guide hole. Each of the four corners of the U-shaped mounting plate has a second threaded groove. A second filter screen is installed on the surface of the U-shaped mounting plate. Each of the four corners of the second filter screen has a second threaded hole corresponding to the second threaded groove. The inner walls of both the second threaded groove and the second threaded hole are threaded with second bolts. The second bolts are compatible with the second threaded groove and the second threaded hole.

[0012] The automatic control assembly includes rotating shafts on both sides of the flow guide. Movable baffles are rotatably connected to the surfaces of the rotating shafts. One side of each movable baffle has a rotating hole adapted to the rotating shaft. The two movable baffles are symmetrically arranged and located at the bottom of the flow guide. Limiting baffles are fixedly connected to both sides of the flow guide. The two limiting baffles are symmetrically arranged, and two sleeves are fixedly connected to the top of each limiting baffle. Movable grooves are formed on the top of the two sleeves, and adjusting rods are movably connected to the inner walls of the movable grooves. Cavities are formed inside each of the two sleeves, and springs are connected between the adjusting rods and opposite sides of the cavities. The top of the adjusting rods is fixedly connected to the bottom of the movable baffles.

[0013] Optionally, a guide plate is fixedly connected to the inner wall of the guide hole. The surface of the guide plate has a rectangular hole, and the inner wall of the rectangular hole is set at a chamfer. The guide plate is located below the second filter screen and receives rainwater filtered by the second filter screen. The chamfered rectangular hole guides the water flow in a direction and accelerates its passage, avoiding stagnation and eddies in the drainage well, and improving the smoothness of drainage.

[0014] Optionally, sealing strips are fixedly connected to the opposite sides of the two movable baffles. The two sealing strips are made of rubber. The rubber elasticity fills the gap between the two movable baffles, enhancing the sealing of the bottom of the drainage well and preventing water leakage and seepage during drainage.

[0015] Optionally, the two sleeves have limiting grooves inside, and limiting blocks are slidably connected to the inner sidewalls of the limiting grooves. One side of the limiting block is fixedly connected to the surface of the adjusting rod. When the adjusting rod moves up and down along the movable groove of the sleeve, it slides with the limiting groove to restrict the movement trajectory of the adjusting rod and prevent it from deviating or shaking.

[0016] Optionally, a guide channel is provided on the surface of the drainage well, and inclined guide grooves are provided on all four sides of the guide channel. The guide channel is located on the upper side of the installation groove and is larger than the area of ​​the installation groove. The inclined guide grooves guide rainwater to flow quickly into the guide channel. Then, by utilizing the position and area difference between the guide channel and the installation groove, the rainwater is efficiently and centrally introduced into the installation groove, so that the rainwater can smoothly enter the first filter screen for filtration.

[0017] Optionally, the air guide is provided with mounting grooves on both sides, and two mounting blocks are fixedly connected to the inner sidewalls of the two mounting grooves. The rotating shaft is fixedly connected between the two mounting blocks to provide a fixed space for the mounting blocks. The mounting blocks provide stable support for the rotating shaft, ensuring that the rotating shaft is accurately positioned and not easily displaced.

[0018] (III) Beneficial Effects

[0019] This utility model provides a waterproof and drainage structure for highway construction, which has the following beneficial effects:

[0020] 1. The waterproof and drainage structure for this highway construction utilizes a double-layer design with a first coarse filter and a second fine filter to effectively improve the impurity interception rate. Large particles of impurities are intercepted by the first filter, while fine silt is blocked by the second filter. This effectively reduces the sand content of rainwater discharged into subsequent pipes, completely solving the problem of blockage caused by long-term accumulation of fine silt in the pipes. It also reduces the cost of pipe excavation and repair. Combined with the synergistic effect of the guide channel, guide cover, and guide plate, it forms a complete path for directional water collection, centralized flow guidance, and stable flow output, which can solve the problems of easy retention and impact in traditional non-guided systems.

[0021] 2. The waterproof and drainage structure of this highway construction uses spring support and sealing strips. Under normal conditions, the movable baffle is partially closed, and the sealing strip fills the gaps to effectively block the overflow of sewer odors. At the same time, it prevents mud and sand from flowing back into the guide hood when there is no rain, and avoids impurities clogging the second filter. It is especially suitable for roads around residential areas and schools, improving the air quality around the road. At the same time, the opening of the baffle is automatically adjusted by the dynamic balance of water flow pressure and spring force. It is slightly open in light rain, half open in moderate rain, and fully open in heavy rain, which fully adapts to different rainfall needs and significantly reduces the risk of driving accidents in rainy weather. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the drainage well structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the limiting baffle structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the air guide cover structure of this utility model;

[0025] Figure 4 This is a schematic diagram of the spring structure of this utility model.

[0026] In the diagram: 1. Drainage well; 2. Staged filtration assembly; 201. First filter screen; 202. First bolt; 203. Flow guide; 204. U-shaped mounting plate; 205. Second filter screen; 206. Second bolt; 3. Automatic drainage control assembly; 301. Rotating shaft; 302. Movable baffle; 303. Limiting baffle; 304. Sleeve; 305. Adjusting rod; 306. Spring; 4. Flow guide plate; 5. Sealing strip; 6. Limiting block. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0028] Please see Figures 1 to 4 This utility model provides a technical solution: a waterproof drainage structure for highway construction, including a drainage well 1, a graded filter assembly 2 on the surface of the drainage well 1, and an automatic drainage control assembly 3 on the lower side of the drainage well 1.

[0029] The graded filtration assembly 2 includes an installation groove formed on the surface of the drainage well 1. Each of the four corners of the installation groove has a first threaded groove. A first filter screen 201 is installed on the surface of the installation groove. The first filter screen 201 performs initial coarse filtration on the rainwater entering the drainage well 1, intercepting large particles such as road debris, gravel, and plastic bags to prevent them from entering the drainage well 1 and causing blockage, thus ensuring initial unobstructed drainage. Each of the four corners of the first filter screen 201 has a first threaded hole corresponding to the first threaded groove. The inner walls of both the first threaded groove and the first threaded hole are threaded with first bolts 202, which are compatible with the first threaded groove and the first threaded hole. A flow guide 203 is fixedly connected to the bottom of the drainage well 1. The surface of the flow guide 203 has flow-guiding holes. 03. The rainwater filtered by the first filter screen 201 is guided to converge along its inclined inner wall to avoid the rainwater spreading at the bottom of the drainage well 1 to form eddies or dead corners. A U-shaped mounting plate 204 is fixedly connected to the inner wall of the guide hole. The four corners of the U-shaped mounting plate 204 are provided with second threaded grooves. The surface of the U-shaped mounting plate 204 is equipped with a second filter screen 205. The second filter screen 205 performs secondary fine filtration on the rainwater flowing in through the guide hole, intercepting fine mud, dust, fibers and other tiny impurities, and further purifying the rainwater. The four corners of the second filter screen 205 are provided with second threaded holes corresponding to the second threaded grooves. The inner walls of the second threaded grooves and the second threaded holes are threaded with second bolts 206. The second bolts 206 are adapted to the second threaded grooves and the second threaded holes.

[0030] The automatic drainage control assembly 3 includes rotating shafts 301 disposed on both sides of the flow guide shroud 203. Movable baffles 302 are rotatably connected to the surface of the rotating shafts 301. One side of each movable baffle 302 has a rotating hole adapted to the rotating shaft 301. The movable baffles 302 adjust the size of the drainage channel by changing their opening and closing angle around the rotating shafts 301. The two movable baffles 302 are symmetrically arranged and located at the bottom of the flow guide shroud 203. Limiting baffles 303 are fixedly connected to both sides of the flow guide shroud 203. The two limiting baffles 303 are symmetrically arranged and limit the maximum opening and closing angle of the movable baffles 302. To prevent excessive rotation of the movable baffle 302 and to avoid excessive stretching of the spring 306 leading to elastic decay, two sleeves 304 are fixedly connected to the top of each of the two limit baffles 303. The top of each sleeve 304 has a movable groove, and an adjusting rod 305 is movably connected to the inner wall of the movable groove. Each sleeve 304 has a cavity inside, and a spring 306 is connected between the adjusting rod 305 and the opposite side of the cavity. The spring 306 dynamically balances with the water pressure through compression and rebound cycles, determining the opening angle of the movable baffle 302. The top of the adjusting rod 305 is fixedly connected to the bottom of the movable baffle 302.

[0031] A guide plate 4 is fixedly connected to the inner wall of the guide hole. A rectangular hole is opened on the surface of the guide plate 4. The inner wall of the rectangular hole is set at a chamfer. The guide plate 4 is located below the second filter screen 205 and receives the rainwater filtered by the second filter screen 205. The chamfered rectangular hole guides the water flow in a direction and accelerates its passage, avoiding stagnation and eddy current in the drainage well 1, and improving the smoothness of drainage.

[0032] Each of the two movable baffles 302 is fixedly connected to a sealing strip 5 on the opposite side. The two sealing strips 5 are made of rubber. The rubber elasticity fills the gap between the two movable baffles 302 to enhance the sealing of the bottom of the drainage well 1 and prevent water leakage and seepage during drainage.

[0033] The two sleeves 304 have limit grooves inside, and limit blocks 6 are slidably connected to the inner sidewalls of the limit grooves. One side of the limit block 6 is fixedly connected to the surface of the adjusting rod 305. When the adjusting rod 305 moves up and down along the movable groove of the sleeve 304, it slides with the limit groove to limit the movement trajectory of the adjusting rod 305 and prevent it from deviating or shaking.

[0034] The surface of the drainage well 1 is provided with a guide channel, and inclined guide grooves are provided on all four sides of the guide channel. The guide channel is located on the upper side of the installation groove and is larger than the area of ​​the installation groove. The inclined guide grooves guide rainwater to flow quickly into the guide channel. Then, by utilizing the position and area difference between the guide channel and the installation groove, the rainwater is efficiently and centrally introduced into the installation groove, so that the rainwater can smoothly enter the first filter screen 201 for filtration.

[0035] The flow guide 203 has mounting slots on both sides, and two mounting blocks are fixedly connected to the inner sidewalls of the two mounting slots. The rotating shaft 301 is fixedly connected between the two mounting blocks, providing a fixed space for the mounting blocks. The mounting blocks provide stable support for the rotating shaft 301, ensuring that the rotating shaft 301 is accurately positioned and not easily displaced.

[0036] In this invention, the working steps of the device are as follows:

[0037] First step: During rainfall, rainwater is quickly collected from the road surface by the inclined diversion channels on all four sides of the diversion channel. It then automatically flows into the installation channel below. The rainwater flowing into the installation channel first passes through the first filter screen 201, which intercepts large particles of impurities such as dead branches, gravel, plastic bags, and fallen leaves, achieving preliminary filtration and preventing them from entering the drainage well 1. The coarsely filtered rainwater flows quickly downward through the inclined inner wall of the diversion cover 203 into the diversion hole. Next, it flows through the second filter screen 205 on the surface of the U-shaped installation plate 204, which intercepts fine impurities such as mud, dust, and fibers in the rainwater, further filtering it. Then, the clean rainwater after being finely filtered by the second filter screen 205 falls into the diversion plate 4 fixed on the inner side wall of the diversion hole. Finally, the rainwater flows smoothly downward along the inverted angle for drainage.

[0038] The second step: When there is no rain or light rain, the spring 306 is in a naturally extended state, so that the sealing strip 5 on the opposite side of the movable baffle 302 fits tightly, filling the gap of the baffle and blocking the overflow of sewer odor and backflow of mud and sand. When the rainfall increases, the rainwater guided by the guide plate 4 continues to fall on the top of the movable baffle 302. When the water pressure gradually increases and exceeds the initial elastic force of the spring 306, the adjusting rod 305 is pushed down and the spring 306 is compressed. Then the movable baffle 302 moves down with the adjusting rod 305 and slowly opens around the rotating shaft 301. The rainwater is slowly discharged through the gap of the movable baffle 302, which not only meets the drainage needs, but also avoids the opening being too large and causing odor to overflow. In the event of heavy rain, the limiting baffle 303 is located on the lower side of the movable baffle 302 to prevent the movable baffle 302 from rotating excessively and causing the spring 306 to stretch and fail, thus ensuring the stability of the opening of the movable baffle 302.

[0039] It should be noted that the device structure and accompanying drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0040] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A waterproof and drainage structure for highway construction, comprising a drainage well (1), characterized in that: The surface of the drainage well (1) is provided with a graded filter assembly (2), and the lower side of the drainage well (1) is provided with an automatic drainage control assembly (3); The graded filtration assembly (2) includes an installation groove formed on the surface of the drainage well (1). Each of the four corners of the installation groove has a first threaded groove. A first filter screen (201) is installed on the surface of the installation groove. Each of the four corners of the first filter screen (201) has a first threaded hole corresponding to the first threaded groove. The inner walls of the first threaded groove and the first threaded hole are threaded with first bolts (202). The first bolts (202) are compatible with the first threaded groove and the first threaded hole. A flow guide (203) is fixedly connected to the bottom of the drainage well (1). The surface of the cover (203) is provided with a guide hole, and a U-shaped mounting plate (204) is fixedly connected to the inner wall of the guide hole. The four corners of the U-shaped mounting plate (204) are provided with second threaded grooves. The surface of the U-shaped mounting plate (204) is provided with a second filter screen (205). The four corners of the second filter screen (205) are provided with second threaded holes corresponding to the second threaded grooves. The inner walls of the second threaded grooves and the second threaded holes are threaded with second bolts (206). The second bolts (206) are adapted to the second threaded grooves and the second threaded holes. The automatic control assembly (3) includes rotating shafts (301) disposed on both sides of the flow guide (203). Movable baffles (302) are rotatably connected to the surface of the rotating shafts (301). One side of each movable baffle (302) has a rotating hole adapted to the rotating shaft (301). The two movable baffles (302) are symmetrically arranged and located at the bottom of the flow guide (203). Limiting baffles (303) are fixedly connected to both sides of the flow guide (203). 3) The two limit baffles (303) are symmetrically arranged. The top of each of the two limit baffles (303) is fixedly connected to two sleeves (304). The top of each of the two sleeves (304) is provided with a movable groove. An adjusting rod (305) is movably connected to the inner side wall of the movable groove. The inside of each of the two sleeves (304) is provided with a cavity. A spring (306) is connected between the adjusting rod (305) and the opposite side of the cavity. The top of the adjusting rod (305) is fixedly connected to the bottom of the movable baffle (302).

2. The waterproofing and drainage structure for highway construction according to claim 1, characterized in that: A guide plate (4) is fixedly connected to the inner wall of the guide hole. A rectangular hole is opened on the surface of the guide plate (4). The inner wall of the rectangular hole is set at a chamfer. The guide plate (4) is located below the second filter screen (205).

3. The waterproofing and drainage structure for highway construction according to claim 1, characterized in that: Each of the two movable baffles (302) has a sealing strip (5) fixedly connected to one side of its opposite side. The two sealing strips (5) are made of rubber.

4. The waterproofing and drainage structure for highway construction according to claim 1, characterized in that: The two sleeves (304) have limiting grooves inside, and the inner sidewalls of the limiting grooves are slidably connected to limiting blocks (6). One side of the limiting blocks (6) is fixedly connected to the surface of the adjusting rod (305).

5. A waterproof and drainage structure for highway construction according to claim 1, characterized in that: The surface of the drainage well (1) is provided with a guide channel, and inclined guide grooves are provided on all four sides of the guide channel. The guide channel is located on the upper side of the installation groove and is larger than the area of ​​the installation groove.

6. A waterproof and drainage structure for highway construction according to claim 1, characterized in that: The flow guide (203) has mounting grooves on both sides, and two mounting blocks are fixedly connected to the inner sidewalls of the two mounting grooves. The rotating shaft (301) is fixedly connected between the two mounting blocks.

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