A self-sinking lake bottom seepage control device

Abstract

The utility model discloses a kind of self-sinking bottom type lake bottom anti-seepage devices, including multiple anti-seepage components and flexible connecting pieces;Each anti-seepage component includes outer frame, anti-seepage membrane, counterweight assembly and negative pressure suction accessory;The outer frame sleeve joint is in the outside of the anti-seepage membrane;The negative pressure suction accessory is located at the bottom of the outer frame;The counterweight assembly is connected at the barycenter position of the outer frame, and is located below the anti-seepage membrane;The outer frame of adjacent anti-seepage component is connected by the flexible connecting piece.Connecting piece can be connected by flexible connecting piece, and the outer frame of adjacent anti-seepage component is connected by the flexible connecting piece, can be realized in the condition without pumping and draining lake water, complete lake bottom anti-seepage membrane's laying work, construction time is saved, and water pumping and draining power consumption and manpower cost are greatly saved.

Description

Technical Field

[0001] This utility model relates to the field of lake management technology, and in particular to a self-sinking lake bottom seepage prevention device. Background Technology

[0002] Currently, to address the needs of maintaining water levels and protecting the ecology of natural lakes, systematic anti-seepage engineering is typically required to effectively raise lake levels and reduce natural water loss through seepage. The core principle of this type of engineering is to construct a continuous anti-seepage barrier to block the natural exchange channels between groundwater and lake water, thereby maintaining the stability of lake water storage.

[0003] In traditional construction techniques, the implementation of the project must follow a standardized operating procedure: First, the lake is scientifically divided into zones based on its topographic features, and independent operating units are formed by constructing temporary cofferdams; then, a multi-stage pumping station is used to pump the lake water in the target area completely below the design water level; after the base surface dries, the lake bottom needs to be finely leveled, and potential puncture objects such as sharp stones and tree roots should be removed, and a composite protective layer should be laid. Utility Model Content

[0004] To effectively ensure the seepage prevention effect, this utility model provides a self-sinking lake bottom seepage prevention device, which saves construction time, greatly reduces the power consumption and labor costs of pumping and drainage, and has high safety, significantly reducing the overall investment.

[0005] This utility model embodiment provides a self-sinking lake bottom seepage prevention device, including multiple seepage prevention components and flexible connectors; Each set of seepage-proof components includes an outer frame, a seepage-proof membrane, a counterweight assembly, and a negative pressure adsorption component; The outer frame is fitted onto the outside of the geomembrane; The negative pressure adsorption element is located at the bottom of the outer frame; The counterweight assembly is connected to the center of gravity of the outer frame and is located below the geomembrane; The outer frames of adjacent waterproofing components are connected by the flexible connectors.

[0006] Optionally, the geomembrane includes a geomembrane outer layer and a sealing capsule interlayer; The sealing capsule interlayer is provided inside the impermeable outer layer; The sealed capsule interlayer is filled with a repair agent, and the material of the sealed capsule interlayer is a water-soluble material.

[0007] Optionally, the impermeable outer layer includes at least one of geotextile, HDPE geomembrane, and EVA geomembrane.

[0008] Optionally, the counterweight assembly includes a counterweight block and a gyroscope; The counterweight is connected to the outer frame; The gyroscope is located inside the counterweight.

[0009] Optionally, the counterweight may include a concrete counterweight.

[0010] Optionally, the negative pressure adsorption element includes a suction cup with a one-way valve.

[0011] Optionally, the bottom of the outer frame is provided with a microporous textured layer.

[0012] Optionally, the seepage-proof component may further include multiple symmetrically arranged connectors; The counterweight assembly is connected to the outer frame via the connector.

[0013] Optionally, the connector includes a connecting rope made of chain-link PVC material.

[0014] Optionally, the outer frame is made of composite wood.

[0015] The beneficial effects of the above-mentioned technical solutions provided in the embodiments of this utility model include at least the following: This invention provides a self-sinking lake bottom seepage prevention device. It comprises multiple sets of seepage prevention components and flexible connectors. Each set includes an outer frame, a geomembrane, a counterweight component, and a negative pressure adsorption component. The outer frame is fitted over the geomembrane, the negative pressure adsorption component is located at the bottom of the outer frame, and the counterweight component is connected to the center of gravity of the outer frame and positioned below the geomembrane. The outer frames of adjacent seepage prevention components are connected by flexible connectors. Under the action of the counterweight component, the entire device sinks stably to the lake bottom. The geomembrane forms a closed seepage prevention layer, preventing water and other liquids from passing through, ensuring the seepage prevention effect of the natural lake bottom. After the entire device sinks to the lake bottom, the suction effect of the negative pressure adsorption component removes the air or water between the outer frame and the lake bottom, forming a negative pressure area. The negative pressure adsorption significantly enhances the stable adsorption between the outer frame and the lake bottom, thereby improving the adhesion and sealing between the geomembrane and the lake bottom, further improving the seepage prevention effect. The lakebed impermeable membrane can be laid by sinking itself without pumping out the lake water. This saves construction time, greatly reduces the power consumption and manpower waste of pumping out water, and has high safety. The overall investment is greatly reduced. At the same time, it can improve the water storage of natural lakes and achieve the stability of lake surface elevation.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of this invention can be realized and obtained by means of the structures particularly pointed out in the written description and the accompanying drawings.

[0017] The technical solution of this utility model will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0018] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings: Figure 1 A top view of the self-sinking lake bottom seepage prevention device provided in an embodiment of this utility model; Figure 2 A plan view of the self-sinking lake bottom seepage prevention device provided in an embodiment of this utility model; Figure 3 This is a schematic diagram of the structure of the geomembrane provided in an embodiment of the present invention; Explanation of reference numerals in the attached figures: 1. Impermeable components; 101. Outer frame; 102. Impermeable membrane; 1021. Impermeable outer layer; 1022. Sealed capsule interlayer; 103. Counterweight components; 1031. Counterweight block; 1032. Gyroscope; 2. Flexible connectors; 3. Connectors. Detailed Implementation

[0019] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0020] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "far," "near," "front," and "rear," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] The inventors discovered that traditional seepage prevention measures require first draining the natural lake and then laying a geomembrane on the lakebed, which is difficult and results in poor seepage prevention. Furthermore, because the shape of the geomembrane material does not match the outer contour of the lakebed, some areas of the lakebed are not covered by the geomembrane. Moreover, the geomembrane is relatively lightweight, and during the process of filling the natural lake with water after laying it, the geomembrane may shift, leaving some areas of the lakebed uncovered, further contributing to poor seepage prevention.

[0023] To address the aforementioned problems, the inventors developed a self-sinking lake bottom seepage prevention device that can effectively improve the seepage prevention effect. Example

[0024] See Figure 1 and Figure 2This embodiment proposes a self-sinking lake bottom seepage prevention device, comprising multiple seepage prevention groups and flexible connectors 2. Through a specific connection method, they form an integrated seepage prevention system suitable for seepage prevention treatment of natural lake bottoms. The number of seepage prevention components is arranged according to the lake bottom area and seepage prevention requirements. Each seepage prevention component 1 includes an outer frame 101, a geomembrane 102, a counterweight component 103, and a negative pressure adsorption component (not shown in the figure). The outer frame 101 is fitted onto the outside of the geomembrane 102. The support frame serves as the main support structure, and its material should be sturdy and corrosion-resistant, such as metal, high-strength plastic, or composite wood. The geomembrane 102 can prevent water, mud, or other liquids from passing through, ensuring the seepage prevention effect of the lake bottom. The negative pressure adsorption component is located at the bottom of the outer frame 101. The counterweight component 103 is connected to the center of gravity of the outer frame 101 and is located below the geomembrane 102. Since the counterweight is connected to the outer frame 101 and located at the center of gravity of the outer frame 101, it increases the weight of the entire seepage-proof assembly, allowing the seepage-proof assembly to sink stably to the lake bottom and maintain its position. The material of the counterweight should be a high-density material, such as cast iron or concrete. The outer frames 101 of adjacent seepage-proof assemblies 1 are connected by flexible connectors 2 (such as tarpaulins). Here, the flexible connectors 2 can enhance the connection strength between the seepage-proof assemblies, while providing additional waterproofing and durability. All seepage-proof assemblies form a continuous seepage-proof system to cover the entire bottom of the natural lake, playing a seepage-proof role. At the same time, it allows the entire device to undergo moderate deformation under uneven lake bottoms or water flow impacts, avoiding rigid breakage, while maintaining the continuity of the overall seepage-proof system.

[0025] To address the issue of poor water retention at the bottom of natural lakes necessitating seepage prevention treatment, the assembled device of this embodiment is placed into the natural lake. Under the action of the counterweight, the counterweight assembly 103 stably sinks the entire device to the lake bottom. The geomembrane 102 forms a sealed impermeable layer, preventing the passage of water and other liquids, ensuring the seepage prevention effect at the bottom of the natural lake. After the entire device sinks to the lake bottom, the suction effect of the negative pressure adsorption component removes the air or water between the outer frame 101 and the lake bottom, forming a negative pressure area. The negative pressure adsorption significantly enhances the stable adsorption between the outer frame 101 and the lake bottom, thereby improving the adhesion and sealing between the geomembrane 102 and the lake bottom, further enhancing the seepage prevention effect.

[0026] This embodiment can complete the laying of the lake bottom impermeable membrane 102 by self-sinking without pumping out the lake water. It saves construction time, greatly reduces the power consumption and manpower waste of pumping out water, and has high safety. The overall investment is greatly reduced. At the same time, it can improve the water storage of the natural lake and achieve the stability of the lake surface elevation.

[0027] In one specific embodiment, see [reference] Figure 3The geomembrane 102 comprises an outer geomembrane 1021 and a sealed capsule interlayer 1022. The sealed capsule interlayer 1022 is located inside the outer geomembrane 1021 and is made of a water-soluble material (such as polyvinyl alcohol, gelatin, etc.) forming a microcapsule structure, filled with a repair agent (such as polyurethane foam, epoxy resin, or self-healing polymer). The outer geomembrane 1021 uses a high-strength, corrosion-resistant geomembrane material to form a continuous, closed geomembrane layer, preventing water and other liquids from passing through and ensuring the seepage prevention effect of the natural lake bottom. When the outer geomembrane 1021 is damaged by external force (such as puncture by a sharp object in the lake), lake water seeps into the interlayer. The sealed capsule interlayer 1022 dissolves upon contact with water, releasing the repair agent. The repair agent, activated by water, expands, solidifies, or polymerizes, automatically filling and sealing the damaged area of ​​the outer geomembrane 1021, restoring its geomembrane function. Through the synergistic effect of the impermeable outer layer 1021 and the sealing capsule interlayer 1022, the dual functions of active seepage prevention and self-repair are achieved. The self-repair mechanism significantly reduces the risk of overall seepage prevention failure caused by local damage, ensuring the continuous effectiveness of the seepage prevention function and significantly improving the reliability, seepage prevention performance and environmental adaptability of the entire device.

[0028] In one specific embodiment, see [reference] Figure 3 The outer impermeable layer 1021 may include at least one of geotextile, HDPE geomembrane, and EVA geomembrane. Geotextile is a material with good permeability and durability, typically made of synthetic fibers (such as polyester, polypropylene, etc.), possessing high strength and abrasion resistance. HDPE (high-density polyethylene) geomembrane is a high-performance waterproof material with excellent impermeability, chemical corrosion resistance, and aging resistance; its thickness and strength can be adjusted according to specific needs. EVA (ethylene-vinyl acetate copolymer) geomembrane is a soft and elastic waterproof material with good weather resistance, aging resistance, and chemical corrosion resistance. In practical applications, the outer impermeable layer 1021 can be composed of one or more of the above materials in combination. For example, a geotextile layer can be added on top of the HDPE geomembrane as a protective and filtering layer to improve the stability and durability of the entire seepage prevention system.

[0029] In one specific embodiment, see [reference] Figure 1 and Figure 2The counterweight assembly 103 includes a counterweight block 1031 and a gyroscope 1032. The counterweight block 1031 is connected to the outer frame 101, and the gyroscope 1032 is located inside the counterweight block 1031. The main function of the gyroscope 1032 is to provide additional stability and directional control. The gyroscope 1032 utilizes the gyroscopic effect, i.e., the principle of conservation of angular momentum of a rotating object, to resist external disturbances and maintain the directional stability of the entire device during the sinking process to the lake bottom. By combining the counterweight block 1031 and the gyroscope 1032, the counterweight block 1031 provides the necessary weight and stability, while the gyroscope 1032 uses the gyroscopic effect to resist external disturbances and maintain the directional stability of the device, enabling the device to adapt to various complex lake environments, including disturbances from external factors such as water flow and waves. By maintaining the stability and directional control of the device, the effectiveness and long-term durability of the geomembrane 102 can be ensured.

[0030] In one specific embodiment, see [reference] Figure 2 The counterweight 1031 includes a concrete counterweight 1031. The concrete counterweight 1031 possesses high density, high strength, and good durability, capable of withstanding significant pressure and tension, while remaining resistant to erosion from water, soil, and other environmental factors. Compared to cast iron, the concrete counterweight 1031 is more cost-effective, easier to manufacture and install, and has a smaller environmental impact during production and use, aligning with the principles of sustainable development.

[0031] In one specific embodiment, see [reference] Figure 1 The negative pressure adsorption component includes a suction cup with a one-way valve. When the device sinks to the lake bottom, the suction cup contacts the bottom, and the one-way valve discharges air or water from the suction cup, creating a negative pressure zone. The one-way valve design ensures that air or water can only be discharged in one direction and cannot flow back, thus maintaining a continuous negative pressure state within the suction cup. This enhances the stable adsorption between the outer frame 101 and the lake bottom, significantly strengthens the fit and sealing between the geomembrane 102 and the lake bottom, and further improves the seepage prevention effect.

[0032] In one specific embodiment, see [reference] Figure 2 The bottom of the outer frame 101 is provided with a microporous textured layer (not shown in the figure). The microporous textured layer significantly improves the friction and adsorption between the outer frame 101 and the lake bottom, significantly enhances the fit and sealing between the geomembrane 102 and the lake bottom, and further improves the seepage prevention effect.

[0033] In one specific embodiment, see [reference] Figure 1 and Figure 2The seepage-proof component 1 also includes multiple symmetrically arranged connectors 3, and the counterweight component 103 is connected to the outer frame 101 through the connectors 3. By setting the connectors 3, a stable connection between the counterweight component 103 and the outer frame 101 is ensured, while providing additional support and stability. Since the connectors 3 are symmetrically arranged, it can be ensured that the counterweight component 103 is always at the center of gravity of the entire seepage-proof component 1, so that the entire device can maintain positional stability and balance during the process of sinking to the lake bottom.

[0034] In one specific embodiment, see [reference] Figure 2 The connector 3 includes a connecting rope made of chain-link PVC material. Chain-link PVC material combines the advantages of PVC (polyvinyl chloride) such as corrosion resistance, insulation, and flame retardancy, while employing a chain structure. This structure allows the rope to distribute stress when under tension, thereby improving overall strength and durability. The connecting rope made of chain-link PVC material typically has high tensile and breaking strength, capable of withstanding the weight of the counterweight 1031 and the impact force during the device's sinking to the lake bottom.

[0035] In one specific embodiment, see [reference] Figure 1 The outer frame 101 is made of composite wood, a renewable wood material composed of different types of wood or wood fragments combined through special processes (such as gluing and hot pressing), which aligns with environmental protection principles. Furthermore, composite wood can typically be recycled and reused after reaching its lifespan. Through processes such as crushing and reprocessing, waste composite wood can be transformed into new boards or other wood products, achieving resource recycling. The composite wood undergoes special treatment, exhibiting good stability and resistance to deformation, ensuring that the outer frame 101 remains flat and stable during long-term use.

[0036] The construction of a natural lake using the device of this embodiment can specifically include the following steps: assembling each anti-seepage component and connecting them with flexible connectors to form the device of this embodiment; placing the device of this embodiment into the target lake, where it will automatically sink to the bottom under the action of the counterweight component. A gyroscope ensures that the device is always lowered vertically to the designated position. During the sinking process, adjacent anti-seepage components will move together and sink synchronously, with the gyroscope ensuring the accuracy of the overall sinking. After the entire device sinks to the lake bottom, the suction effect of the negative pressure adsorption component removes the air or water between the outer frame and the lake bottom, forming a negative pressure area. This enhances the stable adsorption between the outer frame and the lake bottom, thereby improving the adhesion and sealing between the anti-seepage membrane and the lake bottom, further improving the anti-seepage effect.

[0037] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. This disclosure is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this disclosure is limited only by the appended claims. Thus, if these modifications and variations of this utility model fall within the scope of the claims of this utility model and their equivalents, this utility model is also intended to include these modifications and variations.

Claims

1. A self-sinking lakebed seepage prevention device, characterized in that, Includes multiple sets of seepage-proof components and flexible connectors; Each set of seepage-proof components includes an outer frame, a seepage-proof membrane, a counterweight assembly, and a negative pressure adsorption component; The outer frame is fitted onto the outside of the geomembrane; The negative pressure adsorption element is located at the bottom of the outer frame; The counterweight assembly is connected to the center of gravity of the outer frame and is located below the geomembrane; The outer frames of adjacent waterproofing components are connected by the flexible connectors.

2. The self-sinking lakebed seepage prevention device according to claim 1, characterized in that, The geomembrane includes a geomembrane outer layer and a sealed capsule interlayer; The sealing capsule interlayer is provided inside the impermeable outer layer; The sealed capsule interlayer is filled with a repair agent, and the material of the sealed capsule interlayer is a water-soluble material.

3. The self-sinking lakebed seepage prevention device according to claim 2, characterized in that, The impermeable outer layer includes at least one of geotextile, HDPE geomembrane, and EVA geomembrane.

4. The self-sinking lakebed seepage prevention device according to claim 3, characterized in that, The counterweight assembly includes a counterweight block and a gyroscope; The counterweight is connected to the outer frame; The gyroscope is located inside the counterweight.

5. The self-sinking lakebed seepage prevention device according to claim 4, characterized in that, The counterweight includes a concrete counterweight.

6. The self-sinking lakebed seepage prevention device according to claim 1, characterized in that, The negative pressure adsorption component includes a suction cup with a one-way valve.

7. The self-sinking lakebed seepage prevention device according to claim 6, characterized in that, The bottom of the outer frame is provided with a microporous textured layer.

8. The self-sinking lakebed seepage prevention device according to claim 1, characterized in that, The seepage prevention component also includes multiple symmetrically arranged connectors; The counterweight assembly is connected to the outer frame via the connector.

9. The self-sinking lakebed seepage prevention device according to claim 8, characterized in that, The connector includes a connecting rope made of chain-link PVC material.

10. The self-sinking lakebed seepage prevention device according to any one of claims 1-9, characterized in that, The outer frame is made of composite wood.

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