Flood prevention device with guardrail buffer dam

CN224930993UActive Publication Date: 2026-11-03ZHEJIANG HENGCHANG TECH CO LTD
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Patent Information

Application Number
CN202522514227.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-26
Publication Date
2026-11-03
Estimated Expiration
2035-11-26

AI Technical Summary

Technical Problem

Traditional stone railings have a fixed height and cannot be adjusted flexibly, which causes them to lose their protective effectiveness during extreme rainstorms or sudden rises in water levels. In addition, existing inflatable flood barriers have poor connection with stone railings, which can easily lead to protective failure.

Method used

A retractable airbag structure is installed between the stone railings. The inflation of the airbags is adjusted by streetlights and air pumps. Combined with dual power supply from solar energy and the city power grid, the airbags are pressed tightly between the drainage ditch and the streetlights after inflation, enhancing the flood control height. A rigid support system is formed by guide components and tie rods.

Benefits of technology

It enables flexible adjustment of the height of the flood control railing to adapt to changes in water level during the flood season, enhances compressive strength and structural stability, avoids the problem of insufficient fixed height of traditional railings, and also has a lighting function, thus realizing integrated flood control.

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Abstract

The utility model relates to the technical field of flood prevention technology discloses a kind of flood prevention device of guardrail buffer dam, after air bag inflation, it can be tightly close between the square box of two street lamps and drainage ditch, flexible promotion guardrail flood prevention height, accurate adaptation flood season water level change, avoid the problem of traditional guardrail "height fixed, insufficient response"; Street lamp, air pump both adopt solar power supply, city power grid double power supply, when city power grid power failure, solar power supply can also be switched to;The setting of guide component makes air bag guide air bag upward movement during inflation process, and the two sides of air bag can be supported, guarantee the compression strength after air bag inflation;In addition, flood prevention device can play lighting function in combination with street lamp, realize lighting, flood prevention integration.
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Description

Technical Field

[0001] This utility model relates to the field of flood control technology, and in particular to a flood control device with a guardrail buffer dam. Background Technology

[0002] Buffer dams are the core structure of water conservancy and flood control projects, and stone railings are their key protective units, undertaking core functions such as blocking the impact of water flow, stabilizing the dam structure, and ensuring flood control safety. Traditional stone railings achieve protection through methods such as stacking stones and pouring concrete, but they have the following technical drawbacks: the height of traditional stone railings is determined by fixed dimensions during construction and cannot be flexibly adjusted according to water level fluctuations during the flood season. When extreme rainstorms or upstream flood discharges cause a sudden rise in water level, the existing height is easily submerged, losing its protective effectiveness.

[0003] To address the shortcomings of traditional stone railings, the industry has explored various improvement methods, but all have significant technological gaps. For example, while inflatable flood barriers allow for height adjustment through inflation, traditional airbags are often independent units with poor integration with the stone railing, easily leading to a "separation of rigidity and flexibility" and resulting in protective failure. Therefore, there is an urgent need to design a new flood control device with integrated railings and buffer dams. Utility Model Content

[0004] The purpose of this utility model is to provide a flood control device with a guardrail buffer dam. By adding streetlights arranged in a row to the stone guardrail, and setting a retractable airbag structure between the stone guardrail and two adjacent streetlights, the flood control height can be increased after inflation.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a flood control device with a guardrail buffer dam, comprising multiple streetlights for installation on the guardrail of the buffer dam, a drainage ditch for installation on the guardrail of the buffer dam and located between two streetlights, an airbag disposed in the drainage ditch, a cover plate rotatably connected to the opening of the drainage ditch, and an air pump connected to the airbag; the lower end of each streetlight is a square box mounted on the guardrail, the top of each streetlight is provided with a solar panel, a controller and a battery are disposed inside the square box, the solar panel is signal-connected to the controller and charges the battery, and the streetlight is powered by both solar energy and the city power grid; a guide component is disposed between the two square boxes on both sides of the airbag to guide the airbag to move upward during the airbag inflation process, the airbag, after inflation, passes through the drainage ditch and pushes open the cover plate, the airbag, after inflation, presses against the drainage ditch and the square boxes of the two streetlights, the air pump is placed inside the square box and is signal-connected to the controller, and the air pump is powered by both solar energy and the city power grid.

[0006] By adopting the above technical solution, the inflated airbag can be pressed tightly between the drainage ditch and the square box of the two streetlights, flexibly increasing the flood control height of the guardrail and accurately adapting to changes in water level during the flood season, avoiding the problem of "fixed height and insufficient response" of traditional guardrails; both the streetlights and the air pump are powered by both solar power and the city power grid, and can be switched to solar power when the city power grid fails; the guide component guides the airbag to move upward during the inflation process and can support the sides of the airbag to ensure the compressive strength of the airbag after inflation; in addition, the flood control device combined with the streetlights can also provide lighting function, realizing the integration of lighting and flood control.

[0007] A further feature of this invention is that the cross-section of the drainage ditch is "U" shaped, and the two sides of the opening edge of the drainage ditch are provided with horizontal limiting portions extending in a direction toward each other; the two sides of the airbag are provided with horizontal groove portions into which the horizontal limiting portions are embedded during the inflation process.

[0008] By adopting the above technical solution, during the inflation process of the airbag, the horizontal limiting part of the opening edge of the drainage ditch is embedded in the horizontal groove on both sides of the airbag for limiting, so that the airbag will not fall off the drainage ditch after inflation, thereby improving the structural stability after being combined with the drainage ditch.

[0009] A further feature of this invention is that the airbag has a double-layer composite structure, comprising an outer woven fabric layer and an inner rubber layer composited within the outer woven fabric layer.

[0010] By adopting the above technical solution, the airbag has a double-layer composite structure, which includes a woven outer layer and a rubber inner layer composited in the woven outer layer. This can improve the wear resistance of the airbag and make the airbag less prone to damage during use.

[0011] A further feature of this invention is that the upper part of the airbag takes the shape of a right-angled trapezoid after inflation, the cover plate is hinged to the side of the drainage ditch near the water, and a connecting component is provided between the upper part of the airbag and its vertical sides after inflation.

[0012] By adopting the above technical solution, the upper part of the airbag takes the shape of a right trapezoid after inflation. The cover plate is hinged to the side of the drainage ditch near the water. A connecting component is provided between the vertical sides of the upper part of the airbag after inflation. At this time, the cover plate can serve as a protective plate for the side of the airbag near the water, further reducing the risk of tree trunks and other objects carried in the water puncturing the airbag.

[0013] A further feature of this invention is that the guiding component includes a guide rail disposed on the side of the square housing and extending in a vertical direction, and a slider connected to the side of the airbag and slidably connected to the guide rail.

[0014] By adopting the above scheme, the guide rail and slider are used to guide the airbag to move upward during the airbag inflation process, and to support both sides of the airbag.

[0015] A further feature of this invention is that it includes multiple columns for installation on the side of the dam body near the water area, multiple connecting lugs on the top of the airbag away from the water area, and multiple pull rods on the columns and hooked onto the connecting lugs.

[0016] By adopting the above technical solution, when the column is installed on the side of the dam body closest to the water, the connector can be installed in advance at the corresponding position on the dam body using expansion bolts. Then, when it is needed, the bottom of the column is fixed to the connector. In addition, the connecting lug at the top of the airbag is firmly connected to the dam body column by the tie rod, forming a rigid support system of "airbag-connecting lug-tie rod-column-dam body". When the water flow impacts the airbag, the tie rod can transfer the horizontal impact force to the dam body, preventing the airbag from overturning or shifting due to single-point force, and greatly enhancing the impact resistance stability of the overall structure. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is a partial structural schematic diagram of the present invention (dashed lines indicate the guide component, controller, battery, and air pump on one side);

[0019] Figure 3 This is a partial structural cross-sectional view of this utility model;

[0020] Figure 4 yes Figure 1 A magnified view of the area located at point A.

[0021] Reference numerals: 1. Streetlight; 11. Square box; 12. Solar panel; 13. Controller; 14. Battery; 2. Drainage ditch; 21. Horizontal limiting part; 3. Airbag; 31. Horizontal groove; 4. Cover plate; 5. Inflation pump; 6. Guide assembly; 61. Guide rail; 62. Slider; 7. Connecting assembly; 8. Column; 9. Connecting lug; 10. Pull rod. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings.

[0023] Example: A flood control device for a buffer dam with guardrails, such as Figure 1 and Figure 2As shown in the figure, the device includes a plurality of street lamps 1 adapted to be mounted on the guardrail of a buffer dam, a drainage ditch 2 adapted to be mounted on the guardrail of the buffer dam and located between two street lamps 1, an airbag 3 arranged in the drainage ditch 2, a cover plate 4 rotatably connected to the opening of the drainage ditch 2, and an air pump 5 communicated with the airbag 3.

[0024] As Figure 1 and Figure 2 shown, the lower end of the street lamp 1 is a square box body 11 mounted on the guardrail, a solar panel 12 is arranged on the top of the street lamp 1, a controller 13 and a storage battery 14 are arranged in the square box body 11, the controller 13 is in signal connection with the bulb of the street lamp 1, the solar panel is in signal connection with the controller 13 and charges the storage battery 14, and the street lamp 1 adopts dual power supply of solar energy and urban power grid. A guide assembly 6 for guiding the airbag 3 to move upward during the inflation process of the airbag 3 is arranged between the square box bodies 11 on both sides of the airbag 3. After being inflated, the airbag 3 penetrates out of the drainage ditch 2 and pushes open the cover plate 4, and the inflated airbag 3 abuts tightly between the drainage ditch 2 and the square box bodies 11 of the two street lamps 1. The air pump 5 is arranged in the square box body 11 and is in signal connection with the controller 13, and the air pump 5 adopts dual power supply of solar energy and urban power grid.

[0025] As Figures 1 to 3 shown, the cross section of the drainage ditch 2 is in a "U" shape, and the edges of the openings on both sides of the drainage ditch 2 are provided with horizontal limiting portions 21 extending toward the direction of approaching each other; both sides of the airbag 3 are provided with horizontal groove portions 31 for the horizontal limiting portions 21 to be embedded in during the inflation and expansion process.

[0026] As Figures 1 to 3 shown, the airbag 3 has a double-layer composite structure, and the airbag 3 includes a woven fabric outer layer and a rubber inner layer compounded inside the woven fabric outer layer. The upper half of the airbag 3 assumes a right trapezoidal shape after being inflated, the cover plate 4 is hinged on the side of the drainage ditch 2 close to the water area, a connecting assembly 7 is arranged between the vertical side surface of the inflated upper half of the airbag 3 and the cover plate 4, and the connecting assembly 7 is a buckle sewn on the airbag 3, passing through the connecting sleeve on the back of the cover plate 4 and then fixed on the airbag 3.

[0027] As Figure 2 shown, the guide assembly 6 includes a guide rail 61 arranged on the side surface of the square box body 11 and extending in the vertical direction, and a sliding block 62 connected with the side surface of the airbag 3 and slidably connected to the guide rail 61.

[0028] As Figures 1 to 4As shown, the system also includes multiple columns 8 for installation on the side of the dam body near the water level, multiple connecting lugs 9 located on the top of the airbag 3 away from the water level, and multiple tie rods 10 mounted on the columns 8 and hooked onto the connecting lugs 9. One end of each tie rod 10 is bolted to the column 8 so that the tie rod 10 can rotate. When the column 8 is installed on the side of the dam body near the water level, a connector (not shown in the figure) can be pre-installed at the corresponding location on the dam body using expansion bolts. Then, when needed (e.g., if a significant rise in water level is predicted), the bottom of the column 8 is fixed to the connector, and it can be removed when not in use.

[0029] Implementation Results: After inflation, the airbag 3 can be pressed tightly between the drainage ditch 2 and the square box 11 of the two streetlights 1, flexibly increasing the flood control height of the guardrail and accurately adapting to changes in water level during the flood season, avoiding the problem of "fixed height and insufficient response" of traditional guardrails; both the streetlights 1 and the air pump 5 are powered by both solar energy and the urban power grid, and can be switched to solar power when the urban power grid fails; the guide component 6 guides the airbag 3 to move upward during inflation and can support the sides of the airbag 3 to ensure the compressive strength of the airbag 3 after inflation; in addition, the flood control device combined with the streetlights 1 can also provide lighting, realizing the integration of lighting and flood control.

[0030] During the inflation of the airbag 3, the horizontal limiting part 21 at the edge of the opening of the drainage ditch 2 is embedded in the horizontal groove part 31 on both sides of the airbag 3 for limiting, so that the airbag 3 will not fall off the drainage ditch 2 after inflation, improving the structural stability after being combined with the drainage ditch 2. The airbag 3 has a double-layer composite structure, including a woven outer layer and a rubber inner layer composited in the woven outer layer, which can improve the wear resistance of the airbag 3 and make the airbag 3 less likely to break during use. The upper part of the airbag 3 is in the shape of a right trapezoid after inflation. The cover plate 4 is hinged to the side of the drainage ditch 2 near the water. A connecting component 7 is set between the vertical sides of the upper part of the airbag 3 after inflation. At this time, the cover plate 4 can act as a protective plate for the side of the airbag 3 near the water, further reducing the risk of tree trunks and other objects in the water puncturing the airbag 3. The guide rail 61 and the slider 62 are set to guide the airbag 3 to move upward during inflation and to support the sides of the airbag 3.

[0031] The connecting lug 9 at the top of the airbag 3 is firmly connected to the dam column 8 by the tie rod 10, forming a rigid support system of "airbag 3-connecting lug 9-tie rod 10-column 8-dam body". When the water flow impacts the airbag 3, the tie rod 10 can transfer the horizontal impact force to the dam body, preventing the airbag 3 from overturning or shifting due to single-point force, and greatly enhancing the overall structure's impact resistance stability.

[0032] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.

Claims

1. A flood control device for a buffer dam with guardrails, characterized in that: comprises a plurality of street lamps (1) adapted to be mounted on the guardrail of a buffer dam, drainage ditches (2) adapted to be mounted on the guardrail of the buffer dam and located between two street lamps (1), air bags (3) arranged in the drainage ditches (2), cover plates (4) rotatably connected to the openings of the drainage ditches (2), and inflator pumps (5) communicated with the air bags (3); The lower end of each street lamp (1) is a square box (11) mounted on the guardrail, a solar panel (12) is arranged on the top of the street lamp (1), a controller (13) and a storage battery (14) are arranged inside the square box (11), the solar panel is in signal connection with the controller (13) and charges the storage battery (14), and the street lamp (1) adopts dual power supply of solar energy and urban power grid; Guide assemblies (6) for guiding the air bag (3) to move upward during the inflation process of the air bag (3) are arranged between the square boxes (11) on both sides of the air bag (3). After being inflated, the air bag (3) penetrates out of the drainage ditch (2) and pushes open the cover plate (4). After being inflated, the air bag (3) abuts tightly between the drainage ditch (2) and the square boxes (11) of the two street lamps (1). The inflator pump (5) is arranged inside the square box (11) and is in signal connection with the controller (13), and the inflator pump (5) adopts dual power supply of solar energy and urban power grid.

2. The flood control device with guardrail buffer dam according to claim 1, characterized in that: The drainage ditch (2) has a U-shaped cross section, and the opening edges on both sides of the drainage ditch (2) are provided with horizontal limiting portions (21) extending toward the direction approaching each other; the two sides of the air bag (3) are provided with horizontal groove portions (31) for the horizontal limiting portions (21) to embed in during the inflation and expansion process.

3. A flood control device with a guardrail buffer dam according to claim 1, characterized in that: The air bag (3) has a double-layer composite structure, and the air bag (3) comprises a woven fabric outer layer and a rubber inner layer composited inside the woven fabric outer layer.

4. A flood control device with a guardrail buffer dam according to claim 1, characterized in that: The upper half part of the air bag (3) is in a right trapezoidal block shape after inflation, the cover plate (4) is hinged on the side of the drainage ditch (2) close to the water area, and a connecting assembly (7) is arranged between the vertical side surface of the upper half part of the air bag (3) after inflation and the cover plate (4).

5. A flood control device with a guardrail buffer dam according to claim 1, characterized in that: The guide assembly (6) comprises a guide rail (61) arranged on the side surface of the square box (11) and extending in the vertical direction, and a sliding block (62) connected with the side surface of the air bag (3) and slidably connected to the guide rail (61).

6. A flood control device with a guardrail buffer dam according to claim 1, characterized in that: The device further comprises a plurality of upright posts (8) adapted to be mounted on the side of the dam body close to the water area, a plurality of connecting lugs (9) arranged on the top of the air bag (3) on the side away from the water area, and a plurality of pull rods (10) arranged on the upright posts (8) and hooked on the connecting lugs (9).