A dam overwintering transverse joint heat preservation device
The three-layer transverse joint insulation device solves the problems of poor insulation effect and easy material detachment in traditional dam winter insulation methods under extreme cold conditions, achieving efficient insulation and stability of the dam's transverse joints and extending its service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SINOHYDRO ENG BUREAU 4
- Filing Date
- 2025-06-30
- Publication Date
- 2026-07-07
AI Technical Summary
Traditional methods of winter insulation for dams are ineffective in extreme cold conditions, with materials prone to falling off and unable to withstand the effects of severe weather, thus affecting long-term reliability and stability.
The horizontal seam insulation device adopts a three-layer structure, including a horizontal seam moisture-retaining layer, a main insulation layer, and a sealing insulation layer. It is fixed by fastening components, and an anti-detachment protective cover and a transparent film for heat preservation, moisture retention, and anti-detachment are set on the outside of the fastening components to enhance stability and waterproofness.
It improves the overall thermal insulation effect of the dam's horizontal joints, reduces heat loss, prevents material detachment, extends service life, and resists external environmental erosion.
Smart Images
Figure CN224468303U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of water conservancy engineering technology, and in particular, it is a horizontal joint insulation device for dams during winter. Background Technology
[0002] In water conservancy projects, especially during dam construction and maintenance, insulation measures during winter are crucial to preventing cracks caused by temperature changes. Currently, effectively protecting the transverse joints of dams from damage due to temperature variations, particularly in dealing with low winter temperatures, is a pressing issue in dam maintenance. Traditional winter insulation methods for dams often rely on single materials or simple layering, leading to poor insulation performance, easy material detachment, and difficulty in resisting the effects of severe weather, thus affecting their long-term reliability and stability.
[0003] Traditional methods of winter insulation for dams typically rely on a single type of insulation material, such as ordinary foam boards or simple cotton blankets. While these materials can reduce heat loss to some extent, their limited thermal resistance makes them inadequate for insulation, especially under extreme cold conditions. Furthermore, the simple stacking method of installation, lacking effective bonding and sealing between layers, easily creates cold bridges, further reducing overall insulation performance. At the same time, little consideration is given to preventing insulation material from detaching under external forces (such as wind and rain). Usually, insulation material is simply laid out or fixed to the surface with basic fasteners, without any specific design to enhance its resistance to detachment. This design oversight makes the insulation system particularly vulnerable to severe weather. Utility Model Content
[0004] The purpose of this utility model is to provide a transverse joint insulation device for dams during winter to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a dam wintering horizontal joint insulation device, comprising a horizontal joint insulation assembly, wherein the horizontal joint insulation assembly includes a horizontal joint surface moisture-retaining layer component, a horizontal joint surface main insulation layer component, and a horizontal joint surface sealing insulation layer component, which are sequentially installed on the horizontal joint surface after all the horizontal joint surface templates have been removed. During construction on the horizontal joint surface, personnel use climbing equipment to fix the horizontal joint surface sealing insulation layer component and the horizontal joint surface main insulation layer component to the horizontal joint surface using fastening components. A protective cover net is fixed to the side of the fastening components facing the horizontal joint surface sealing insulation layer component. The protective cover net covers... The protective cover mesh is tightly wrapped around the horizontal seam sealing and insulation layer assembly, thus securing the horizontal seam sealing and insulation layer assembly exposed through the gaps in the fastening assembly to prevent it from falling off. The fastening assembly is provided with multiple fasteners, each of which sequentially passes through the horizontal seam sealing and insulation layer assembly, the main horizontal seam insulation layer assembly, and the horizontal seam moisture-retaining layer assembly and is fixed to the horizontal seam surface. A heat-insulating, moisture-retaining, and anti-fall-off transparent film is provided on the side of the fastening assembly facing away from the horizontal seam sealing and insulation layer assembly. The edge of the heat-insulating, moisture-retaining, and anti-fall-off transparent film away from the fastening assembly is fixed together with the horizontal seam sealing and insulation layer assembly.
[0006] In a preferred embodiment of this solution, the transverse seam moisture-retaining layer assembly includes a plastic film, the top and bottom ends of which each extend at least 50 cm away from each other and cover the plastic film of the winter storage moisture-retaining layer.
[0007] In this preferred embodiment, the main insulation layer assembly of the transverse seam includes one layer of XPS board and one layer of polyethylene insulation blanket.
[0008] In this preferred embodiment, the XPS board is 10cm thick and the polyethylene insulation blanket is 2cm thick.
[0009] In this preferred embodiment, the transverse seam sealing and insulation layer assembly includes a first layer of substandard cotton quilt, a second layer of substandard cotton quilt, and a three-proof cloth disposed on the outside of the second layer of substandard cotton quilt, all connected together.
[0010] In this preferred embodiment, the overlap width between adjacent first and second layers of substandard cotton quilts is not less than 30cm, and the overlap distance between different layers of substandard cotton quilts is not less than 50cm.
[0011] In this preferred embodiment, the overlap width of the three-proof fabric is not less than 30cm, the overlap is bonded with butyl waterproof double-sided tape, and the bottom extends more than 50cm before covering the three-proof fabric on the warehouse surface and pressing it firmly with a steel pipe.
[0012] In a preferred embodiment of this scheme, the fastening assembly includes multiple horizontal wooden strips arranged at equal intervals on the transverse joint sealing and insulation layer assembly, and multiple vertical wooden strips arranged at equal intervals and fixed on the horizontal wooden strips.
[0013] In a preferred embodiment of this solution, the fastener includes multiple reinforcing bars that pass through each longitudinal wooden strip. Each reinforcing bar passes through the transverse joint sealing insulation layer assembly, the transverse joint main insulation layer assembly, and the transverse joint moisture-retaining layer assembly and is fixed to the transverse joint surface.
[0014] Compared with the prior art, the technical effects and advantages of this utility model are as follows:
[0015] The dam's winter-resistant horizontal joint insulation device employs a three-layer structure: a horizontal joint surface moisture-retaining layer component, a horizontal joint surface main insulation layer component, and a horizontal joint surface sealing insulation layer component. This not only improves the overall insulation effect but also effectively reduces heat loss. This multi-layered design minimizes the impact of temperature changes on the dam's horizontal joints.
[0016] The fastening assembly secures each layer of insulation material to the horizontal seam surface using multiple fasteners, and an anti-detachment protective mesh is installed on the side of the insulation layer assembly facing the horizontal seam surface. This design ensures that the insulation system remains stable even in harsh environments, preventing detachment due to external factors.
[0017] A transparent film for heat preservation, moisture retention and anti-detachment is provided on the side of the fastening component facing away from the horizontal seam sealing insulation layer component. This not only further improves the heat preservation effect, but also plays a good role in waterproofing, preventing moisture from penetrating into the interior of the insulation layer, thereby ensuring the dryness and effectiveness of the insulation layer.
[0018] By setting up a protective cover and a transparent film to prevent the insulation material from falling off from the gaps in the fastening components, it is possible not only to prevent the insulation material from falling off, but also to effectively resist the erosion of the insulation system by external environmental factors (such as wind and rain), thus extending the service life of the entire insulation system. Attached Figure Description
[0019] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the fastening assembly of this utility model;
[0022] Figure 3 This is a schematic diagram showing the disassembled structure of the transverse seam moisturizing layer component of this utility model;
[0023] Figure 4 This is a schematic diagram showing the disassembled structure of the main insulation layer component of the horizontal seam surface of this utility model.
[0024] Figure 5 This is a schematic diagram showing the disassembled structure of the transverse seam sealing and insulation layer assembly of this utility model.
[0025] Explanation of reference numerals in the attached figures:
[0026] In the diagram: 1. Horizontal seam insulation assembly; 2. Horizontal seam moisture-retaining layer assembly; 3. Horizontal seam main insulation layer assembly; 4. Horizontal seam sealing insulation layer assembly; 5. Fastening assembly; 6. Insulating, moisturizing, and anti-falling transparent film; 7. Insert rod; 8. Horizontal wooden strip; 9. Vertical wooden strip; 10. Anti-falling protective cover net; 11. Plastic film; 12. Extension end; 13. XPS board; 14. Polyethylene insulation blanket; 15. First layer of substandard cotton blanket; 16. Second layer of substandard cotton blanket; 17. Three-proof fabric. Detailed Implementation
[0027] In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features well-known in the art have not been described in order to avoid confusion with the present invention.
[0028] Unless otherwise defined, the directions mentioned herein, such as up, down, left, right, front, back, inside, and outside, are based on the directions shown in the figures of this utility model, and are explained here together.
[0029] This embodiment provides, for example Figures 1 to 5The invention illustrates a dam wintering transverse joint insulation device, comprising a transverse joint insulation assembly 1. The transverse joint insulation assembly 1 includes a transverse joint surface moisture-retaining layer component 2, a transverse joint surface main insulation layer component 3, and a transverse joint surface sealing insulation layer component 4, which are sequentially installed on the transverse joint surface after all the transverse joint surface templates have been removed. During construction on the transverse joint surface, personnel use temporary ladders, mobile scaffolding, and rope ladders to fix the transverse joint surface sealing insulation layer component 4 and the transverse joint surface main insulation layer component 3 to the transverse joint surface using fastening components 5. A protective cover 10 for preventing detachment is fixed to the side of the fastening components 5 facing the transverse joint surface sealing insulation layer component 4. The protective cover 10 is wrapped with... The protective cover 10 is tightly wrapped around the horizontal seam sealing and insulation layer assembly 4, ensuring that the horizontal seam sealing and insulation layer assembly 4, which is exposed through the gaps in the fastening assembly 5, is securely fixed to prevent it from falling off. The fastening assembly 5 has multiple fasteners, each of which sequentially passes through the horizontal seam sealing and insulation layer assembly 4, the main horizontal seam insulation layer assembly 3, and the horizontal seam moisture-retaining layer assembly 2, and is fixed to the horizontal seam surface. A heat-insulating, moisture-retaining, and anti-fall-off transparent film 6 is provided on the side of the fastening assembly 5 facing away from the horizontal seam sealing and insulation layer assembly 4. The edge of the heat-insulating, moisture-retaining, and anti-fall-off transparent film 6 is fixed to the horizontal seam sealing and insulation layer assembly 4. This allows the fastening assembly 5 to be wrapped between the heat-insulating, moisture-retaining, and anti-fall-off transparent film 6, which provides heat and moisture retention and prevents the fastening assembly 5 from falling off.
[0030] In this embodiment, the transverse seam moisture-retaining layer assembly 2 includes a plastic film 11. Both the top and bottom ends of the plastic film 11 have extended ends 12, which extend at least 50 cm away from each other and cover the plastic film of the winter barn surface moisture-retaining layer. The waterproof properties of the plastic film prevent moisture evaporation, while the extended ends increase the coverage area, thereby improving the moisture-retaining effect. This effectively reduces the possibility of moisture loss from the transverse seam, maintains environmental humidity, and facilitates the performance of subsequent insulation materials.
[0031] In this embodiment, the main insulation layer assembly 3 of the transverse seam includes one layer of XPS board 13 and one layer of polyethylene insulation blanket 14. The use of a combination of high-performance insulation materials, such as XPS board and polyethylene insulation blanket, provides strong thermal barrier capabilities and reduces the rate of heat conduction.
[0032] In this embodiment, the XPS board 13 is 10cm thick, and the polyethylene insulation blanket 14 is 2cm thick.
[0033] In this embodiment, the transverse seam sealing insulation layer assembly 4 includes a first layer of black-hearted cotton quilt 15, a second layer of black-hearted cotton quilt 16 connected together, and a three-proof cloth 17 disposed on the outside of the second layer of black-hearted cotton quilt 16.
[0034] In this embodiment, the overlap width between adjacent first-layer black-hearted cotton quilt 15 and second-layer black-hearted cotton quilt 16 is not less than 30cm, and the overlap distance between different layers of black-hearted cotton quilt is not less than 50cm.
[0035] In this embodiment, the overlap width of the three-proof cloth 17 is not less than 30cm. The overlap is bonded with butyl waterproof double-sided tape. After extending more than 50cm from the bottom, it covers the three-proof cloth on the warehouse surface and is pressed firmly by the steel pipe.
[0036] In this embodiment, the fastening component 5 includes multiple horizontal wooden strips 8 arranged at equal intervals on the horizontal seam sealing and insulation layer component 4, and multiple vertical wooden strips 9 arranged at equal intervals and fixed on the horizontal wooden strips 8.
[0037] In this embodiment, the fastener includes multiple reinforcing bars 7 that pass through each longitudinal wooden strip 9. Each reinforcing bar 7 passes through the transverse joint sealing insulation layer assembly 4, the transverse joint main insulation layer assembly 3, and the transverse joint moisture-retaining layer assembly 2 and is fixed to the transverse joint.
[0038] Working principle
[0039] The dam's winter-proof horizontal joint insulation device ensures that all horizontal joint templates have been completely removed before any insulation measures are implemented, providing a clean and unobstructed working surface for the subsequent installation of the insulation layer.
[0040] A layer of plastic film 11 is laid on the horizontal seam surface, ensuring that its top and bottom edges extend at least 50cm to cover the winter storage layer. This step is mainly to prevent moisture loss and protect the underlying structure. XPS board 13 and polyethylene insulation blanket 14 are then laid on top of the plastic film 11. The XPS board is 10cm thick, and the polyethylene insulation blanket is 2cm thick; these materials have good insulation properties and can effectively reduce heat loss. The first layer of substandard cotton blanket 15 and the second layer of substandard cotton blanket 16 are connected together, and a three-proof fabric 17 is placed on its outer side. Note that the overlap width between adjacent layers of substandard cotton blankets should be no less than 30cm, and the overlap distance between different layers should be no less than 50cm. The bottom of the three-proof fabric should extend at least 50cm before covering the three-proof fabric on the storage surface and be secured with steel pipes to increase stability.
[0041] The aforementioned layers of insulation material are securely fixed to the transverse seam surface using a fastening assembly 5 composed of horizontal and vertical wooden strips 8 and 9. Each fastener extends from the vertical wooden strip 9 to the bottommost transverse seam moisture-retaining layer assembly 2 and is further reinforced by insert rods 7 to ensure the stability of the entire insulation system and prevent it from falling off. A transparent insulating and moisture-retaining anti-fall-off film 6 is wrapped around the outside of the fastening assembly 5. This film not only enhances the insulation effect but also serves to waterproof and prevent the fastening assembly from falling off. At the same time, an anti-fall-off protective net 10 is wrapped around the outside of the transverse seam sealing insulation layer assembly 4 to further improve the overall stability and durability of the system.
[0042] It should be noted that, in this document, relational terms such as "one" and "two" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0043] 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 dam wintering transverse joint insulation device, comprising a transverse joint insulation assembly (1), characterized in that: The transverse seam insulation assembly (1) includes a transverse seam moisture-retaining layer assembly (2), a transverse seam main insulation layer assembly (3), and a transverse seam sealing insulation layer assembly (4), which are sequentially installed on the transverse seam surface after all the transverse seam templates have been removed. The transverse seam sealing insulation layer assembly (4) and the transverse seam main insulation layer assembly (3) are fixed to the transverse seam surface by fastening components (5). An anti-detachment protective cover net (10) is fixed on the side of the fastening components (5) facing the transverse seam sealing insulation layer assembly (4). The protective cover (10) is wrapped and fastened to the horizontal seam sealing and insulation layer assembly (4), so that the protective cover (10) exposed from the gap of the fastening assembly (5) is fastened to prevent it from falling off. The fastening assembly (5) is provided with multiple fasteners, each of which passes through the horizontal seam sealing and insulation layer assembly (4), the horizontal seam main insulation layer assembly (3) and the horizontal seam moisture-retaining layer assembly (2) in sequence and is fixed to the horizontal seam.
2. The dam winter-endurance horizontal joint insulation device according to claim 1, characterized in that: A heat-insulating, moisture-retaining, and anti-detachment transparent film (6) is provided on the side of the fastening component (5) facing away from the transverse seam sealing and insulation layer component (4). The edge of the heat-insulating, moisture-retaining, and anti-detachment transparent film (6) away from the fastening component (5) is fixed together with the transverse seam sealing and insulation layer component (4).
3. The dam winter-over-winter horizontal joint insulation device according to claim 1, characterized in that: The transverse seam moisturizing layer assembly (2) includes a plastic film (11), the top and bottom of the plastic film (11) each having an extension end (12), the two extension ends (12) extending more than 50cm away from each other and covering the plastic film of the winter warehouse moisturizing layer.
4. The dam winter-over-winter horizontal joint insulation device according to claim 2, characterized in that: The main insulation layer assembly (3) of the transverse seam includes one layer of XPS board (13) and one layer of polyethylene insulation blanket (14).
5. A dam winter-endurance horizontal joint insulation device according to claim 4, characterized in that: The XPS board (13) is 10cm thick, and the polyethylene insulation blanket (14) is 2cm thick.
6. A dam winter-endurance horizontal joint insulation device according to claim 4, characterized in that: The transverse seam sealing insulation layer assembly (4) includes a first layer of black-hearted cotton quilt (15), a second layer of black-hearted cotton quilt (16) connected together, and a three-proof cloth (17) disposed on the outside of the second layer of black-hearted cotton quilt (16).
7. A dam winter-endurance horizontal joint insulation device according to claim 6, characterized in that: The overlap width between adjacent first-layer black-hearted cotton quilts (15) and second-layer black-hearted cotton quilts (16) shall not be less than 30cm, and the overlap distance between different layers of black-hearted cotton quilts shall not be less than 50cm.
8. A dam winter-endurance horizontal joint insulation device according to claim 6, characterized in that: The overlap width of the three-proof cloth (17) shall not be less than 30cm. The overlap part shall be bonded with butyl waterproof double-sided tape. After the bottom extends more than 50cm, it shall cover the three-proof cloth on the warehouse surface and be pressed firmly with steel pipe.
9. A dam winter-endurance horizontal joint insulation device according to claim 7, characterized in that: The fastening assembly (5) includes multiple horizontal wooden strips (8) arranged at equal intervals on the horizontal joint sealing insulation layer assembly (4) and multiple vertical wooden strips (9) arranged at equal intervals and fixed on the horizontal wooden strips (8).
10. A dam winter-endurance horizontal joint insulation device according to claim 8, characterized in that: The fasteners include multiple reinforcing bars (7) that pass through each longitudinal strip (9), each reinforcing bar (7) passing through the transverse joint sealing insulation layer assembly (4), the transverse joint main insulation layer assembly (3), and the transverse joint moisture-retaining layer assembly (2) and being fixed to the transverse joint.