Thermal bridge blocking structure type lightweight concrete duct piece

By incorporating a heat insulation structure with glass fiber layers and a covering layer inside the concrete segments, along with a combination of internal steel bars and reinforcing ribs, the problem of poor heat insulation in concrete segments was solved, achieving efficient heat insulation and increased strength, thereby improving the efficiency and stability of tunnel construction.

CN223647820UActive Publication Date: 2025-12-09GUANGDONG NEW BENDA BUILDING MATERIALS IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520363711.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2025-12-09
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

The existing concrete segments have poor heat insulation properties during tunnel construction, resulting in poor thermal insulation inside the tunnel.

Method used

A fiberglass layer and a cladding layer are installed inside the concrete segments, and they are tightly bonded together by fixing plates and fixing protrusions to form a thermal insulation structure. Internal steel bars and arc-shaped reinforcing ribs are installed inside to improve strength and stability. Connecting sleeves and positioning structures are used to achieve rapid positioning and waterproofing.

Benefits of technology

It effectively isolates heat transfer, improves the strength and construction efficiency of concrete segments, and enhances the structural support and waterproofing after splicing.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223647820U_ABST
    Figure CN223647820U_ABST
Patent Text Reader

Abstract

The utility model discloses a thermal bridge blocking structure type lightweight concrete duct piece which comprises a concrete duct piece body, the two sides of the interior of the concrete duct piece body are respectively and fixedly connected with a set of connecting sleeve plates, and the center lines of the connecting sleeve plates and the center line of the concrete duct piece body are located on the same vertical plane. According to the heat bridge blocking structure type lightweight concrete pipe piece, the glass fiber layer is arranged, the glass fiber layer is coated with the coating layer in the production process, the glass fiber layer and the coating layer are tightly attached and then inserted between the two sets of fixing clamping plates, and the glass fiber layer and the coating layer can be tightly pressed through the fixing protruding blocks at one ends of the fixing clamping plates; the glass fiber layer is positioned so as to facilitate follow-up processing and forming of the concrete segment body, then after the external concrete segment body is formed, the glass fiber layer is arranged in the concrete segment body, the heat insulation effect can be effectively achieved, the effect of insulating heat transfer is achieved, and the problem that the heat insulation effect is poor is solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of concrete component technology, specifically to a lightweight concrete segment with a thermal bridge blocking structure. Background Technology

[0002] Lightweight concrete segments are arc-shaped concrete components. Multiple sets of concrete segments can be spliced ​​together to form a ring structure. They are generally used in the construction of subways and mountain tunnels to form a supporting barrier on the outer layer of the tunnel and to bear the pressure of the top soil layer. Therefore, concrete segments play a very important role in the current tunnel construction field.

[0003] However, the concrete segments used in tunnel construction still have some defects in use. After installation, the concrete segments themselves have poor heat insulation, resulting in poor heat preservation inside the tunnel after construction.

[0004] A novel type of lightweight concrete segment with thermal bridge blocking structure is proposed to address the aforementioned problems. Utility Model Content

[0005] The purpose of this invention is to provide a lightweight concrete pipe segment with a thermal bridge blocking structure to solve the problem of poor thermal insulation effect mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a lightweight concrete tube segment with thermal bridge blocking structure, comprising a concrete tube segment body, wherein a set of connecting sleeve plates are fixedly connected to both sides inside the concrete tube segment body, the center line of the connecting sleeve plates and the center line of the concrete tube segment body are on the same vertical plane, and the interior of the concrete tube segment body is provided with a heat insulation structure for isolating heat transfer.

[0007] The thermal insulation structure includes a glass fiber layer. The interior of the concrete pipe segment body is provided with a glass fiber layer. The glass fiber layer is movably connected to the exterior of the glass fiber layer. Two sets of fixing plates are fixedly connected to one side of the connecting sleeve plate. A fixing protrusion is fixedly connected to one end of the fixing plate.

[0008] As a further technical solution of this utility model, the fixing protrusion is movably connected to the covering layer, and the center line of the glass fiber layer and the center line of the concrete pipe segment body are on the same vertical plane.

[0009] As a further technical solution of this utility model, the fixing clamp is movably connected to the covering layer, and the center line of the covering layer and the center line of the glass fiber layer are on the same vertical plane.

[0010] As a further technical solution of this utility model, the two ends of the concrete pipe segment body are fixedly connected with built-in steel bars, the outside of the built-in steel bars are fixedly connected with arc-shaped reinforcing bars, and the two ends of one side of the connecting sleeve plate are fixedly connected with reinforcing strips.

[0011] As a further technical solution of this utility model, the reinforcing strip is fixedly connected to the concrete pipe segment body, and the arc-shaped reinforcing rib is fixedly connected to the concrete pipe segment body.

[0012] As a further technical solution of this utility model, two sets of fixing plates are fixedly connected to one side of the connecting sleeve plate, a connecting plate is movably connected to one end of the fixing plate, connecting insert plates are fixedly connected to both sides of the connecting plate, a positioning protrusion is fixedly connected to one end of one side of the concrete pipe segment body, a positioning groove is opened at the other end of one side of the concrete pipe segment body, and a positioning insertion hole is opened at one end of the concrete pipe segment body.

[0013] As a further technical solution of this utility model, the connecting insert plate is movably connected to the connecting sleeve plate, and the positioning groove is movably connected to the positioning protrusion.

[0014] As a further technical solution of this utility model, the center line of the positioning hole and the center line of the built-in steel bar are on the same vertical plane, and the positioning hole is movably connected to the built-in steel bar.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the thermal bridge blocking structure of the lightweight concrete pipe segment not only effectively isolates heat transfer and improves the strength of the concrete pipe segment, but also enables rapid positioning and convenient construction.

[0016] By incorporating a fiberglass layer, a covering layer, fixing protrusions, and fixing clamps, this concrete segment is manufactured by wrapping the covering layer over the fiberglass layer, ensuring a tight fit between the two. The fiberglass layer and the covering layer are then inserted between two sets of fixing clamps. The fixing protrusions at one end of each clamp compress the fiberglass layer and the covering layer, thus positioning the fiberglass layer for easier subsequent processing and molding of the concrete segment body. After the outer concrete segment body is formed, the fiberglass layer placed inside the concrete segment body effectively provides insulation, thus preventing heat transfer.

[0017] By incorporating internal reinforcing bars, arc-shaped reinforcing ribs, connecting sleeves, and reinforcing strips, multiple sets of internal reinforcing bars are installed inside the concrete segment. These internal reinforcing bars effectively improve the strength of the concrete segment. The arc-shaped reinforcing ribs outside the internal reinforcing bars support these multiple sets of internal reinforcing bars, further enhancing the strength of the concrete segment and thus improving the overall structural support after splicing. The reinforcing strips on one side of the connecting sleeve are connected to the concrete segment body, which can improve the firmness of both ends of the concrete segment body by gripping, thereby increasing the strength of the concrete segment.

[0018] By incorporating connecting inserts, connecting plates, positioning holes, connecting sleeves, positioning grooves, fixing plates, and positioning protrusions, the system allows for the splicing of two sets of concrete pipe segments. The connecting inserts on both sides of the connecting plate are then inserted into the connecting sleeves on one side of each set of concrete pipe segments. This positioning of the concrete pipe segments is achieved through the connecting sleeves. The tight fit of the positioning grooves and protrusions on one side of the concrete pipe segments further enhances connection stability and improves waterproofing at the joint, preventing water seepage. Finally, internal reinforcing bars are inserted into the positioning holes on the other set of concrete pipe segments. This mutual positioning between multiple sets of concrete pipe segments facilitates construction, enabling rapid positioning and convenient construction. Attached Figure Description

[0019] Figure 1 This is a frontal cross-sectional view of the present invention.

[0020] Figure 2 This is a top view sectional diagram of the built-in reinforcing steel bar structure of this utility model;

[0021] Figure 3 This is a side view of the connecting sleeve structure of this utility model;

[0022] Figure 4 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0023] In the diagram: 1. Concrete segment body; 2. Internal reinforcing steel; 3. Arc-shaped reinforcing rib; 4. Fiberglass layer; 5. Covering layer; 6. Connecting insert plate; 7. Connecting plate; 8. Positioning insert hole; 9. Connecting sleeve plate; 10. Positioning groove; 11. Fixing plate; 12. Positioning protrusion; 13. Fixing protrusion; 14. Fixing clamp; 15. Reinforcing strip. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Example: Please refer to Figure 1-4 A lightweight concrete tube segment with thermal bridge blocking structure includes a concrete tube segment body 1. A set of connecting sleeves 9 are fixedly connected to both sides inside the concrete tube segment body 1. The center line of the connecting sleeves 9 is on the same vertical plane as the center line of the concrete tube segment body 1. The interior of the concrete tube segment body 1 is provided with a heat insulation structure for isolating heat transfer.

[0026] The thermal insulation structure includes a glass fiber layer 4. The inside of the concrete tube body 1 is provided with a glass fiber layer 4. The outside of the glass fiber layer 4 is movably connected with a covering layer 5. Two sets of fixing clamps 14 are fixedly connected to one side of the connecting sleeve plate 9. A fixing protrusion 13 is fixedly connected to one end of the fixing clamp 14.

[0027] The fixed protrusion 13 is movably connected to the covering layer 5, and the center line of the glass fiber layer 4 is on the same vertical plane as the center line of the concrete pipe segment body 1.

[0028] The fixed clamp 14 is movably connected to the covering layer 5, and the center line of the covering layer 5 and the center line of the glass fiber layer 4 are on the same vertical plane;

[0029] Specifically, such as Figure 1 and Figure 4 As shown, during the production of the concrete segment, the covering layer 5 is wrapped around the outside of the glass fiber layer 4, and the two are tightly bonded together. Then, the glass fiber layer 4 and the covering layer 5 are inserted between two sets of fixing plates 14. The fixing protrusion 13 at one end of the fixing plate 14 can press the glass fiber layer 4 and the covering layer 5 together, thereby positioning the glass fiber layer 4 to facilitate the subsequent processing and forming of the concrete segment body 1. After the outer concrete segment body 1 is formed, the glass fiber layer 4 is placed inside the concrete segment body 1, which can effectively play a heat insulation role, thereby preventing heat transfer.

[0030] The concrete segment body 1 has internal steel bars 2 fixedly connected to both ends, and arc-shaped reinforcing bars 3 fixedly connected to the outside of the internal steel bars 2. The connecting sleeve plate 9 has reinforcing strips 15 fixedly connected to both ends on one side.

[0031] The reinforcing strip 15 is fixedly connected to the concrete segment body 1, and the arc-shaped reinforcing rib 3 is fixedly connected to the concrete segment body 1.

[0032] Specifically, such as Figure 1 , Figure 2 and Figure 4 As shown, multiple sets of built-in reinforcing bars 2 are provided inside the concrete segment. The built-in reinforcing bars 2 can effectively improve the strength of the concrete segment. The arc-shaped reinforcing bars 3 outside the built-in reinforcing bars 2 can support the multiple sets of built-in reinforcing bars 2, and at the same time can further improve the strength of the concrete segment, thereby improving the overall support force of the structure after splicing. The reinforcing strip 15 on one side of the connecting sleeve plate 9 is connected to the concrete segment body 1. The connection can improve the firmness of both ends of the concrete segment body 1 by gripping, thereby improving the strength of the concrete segment.

[0033] Two sets of fixing plates 11 are fixedly connected to one side of the connecting sleeve plate 9. A connecting plate 7 is movably connected to one end of the fixing plate 11. Connecting insert plates 6 are fixedly connected to both sides of the connecting plate 7. A positioning protrusion 12 is fixedly connected to one end of one side of the concrete pipe segment body 1. A positioning groove 10 is opened at the other end of one side of the concrete pipe segment body 1. A positioning insertion hole 8 is opened at one end of the concrete pipe segment body 1.

[0034] The connecting insert plate 6 is movably connected to the connecting sleeve plate 9, and the positioning groove 10 is movably connected to the positioning protrusion 12;

[0035] The centerline of the positioning hole 8 and the centerline of the built-in steel bar 2 are on the same vertical plane, and the positioning hole 8 and the built-in steel bar 2 are movably connected.

[0036] Specifically, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, during splicing, two sets of concrete pipe segments 1 are attached together. Then, the connecting plates 6 on both sides of the connecting plate 7 are inserted into the connecting sleeve 9 on one side of the two sets of concrete pipe segments 1. The concrete pipe segments 1 are positioned by the connecting sleeve 9. The positioning groove 10 and positioning protrusion 12 on one side of the concrete pipe segments 1 fit tightly to further improve the connection stability. The positioning groove 10 and positioning protrusion 12 can also improve the waterproofness of the connection and prevent water seepage. Then, the built-in steel bar 2 is inserted into the positioning hole 8 opened in another set of concrete pipe segments 1. This allows multiple sets of concrete pipe segments 1 to be positioned with each other, which facilitates construction and enables quick positioning for convenient construction.

[0037] Working Principle: In use, during the production of this concrete segment, the covering layer 5 is wrapped around the outside of the glass fiber layer 4, ensuring a tight fit. Then, the glass fiber layer 4 and the covering layer 5 are inserted between two sets of fixing plates 14. The fixing protrusion 13 at one end of the fixing plate 14 presses the glass fiber layer 4 and the covering layer 5 together, thus positioning the glass fiber layer 4 to facilitate the subsequent processing and forming of the concrete segment body 1. After the outer concrete segment body 1 is formed, the glass fiber layer 4, placed inside the concrete segment body 1, effectively provides heat insulation, thus preventing heat transfer. Multiple sets of internal reinforcing bars 2 are installed inside the concrete segment, effectively improving its strength. The arc-shaped reinforcing ribs 3 outside the internal reinforcing bars 2 support these multiple sets of internal reinforcing bars 2, further enhancing the strength of the concrete segment. The strength is increased, thereby improving the overall support of the structure after splicing. The reinforcing strip 15 on one side of the connecting sleeve 9 is connected to the concrete segment body 1 by gripping to improve the firmness of both ends of the concrete segment body 1. During splicing, the two sets of concrete segment bodies 1 are attached together, and then the connecting inserts 6 on both sides of the connecting plate 7 are inserted into the connecting sleeve 9 on one side of the two sets of concrete segment bodies 1. The concrete segment body 1 is positioned by the connecting sleeve 9. The positioning groove 10 and positioning protrusion 12 on one side of the concrete segment body 1 fit tightly to further improve the connection stability. The positioning groove 10 and positioning protrusion 12 can improve the waterproofness of the connection and prevent water seepage. Then, the built-in steel bar 2 is inserted into the positioning insertion hole 8 opened in another set of concrete segment bodies 1, so that the multiple sets of concrete segment bodies 1 are positioned with each other, which facilitates construction.

Claims

1. A lightweight concrete segment with thermal bridge blocking structure, comprising a concrete segment body (1), characterized in that: A set of connecting sleeves (9) are fixedly connected to both sides inside the concrete pipe segment body (1). The center line of the connecting sleeves (9) and the center line of the concrete pipe segment body (1) are on the same vertical plane. The interior of the concrete pipe segment body (1) is provided with a heat insulation structure for isolating heat transfer. The thermal insulation structure includes a glass fiber layer (4), the inside of the concrete tube body (1) is provided with a glass fiber layer (4), the outside of the glass fiber layer (4) is movably connected with a covering layer (5), two sets of fixing clamps (14) are fixedly connected to one side of the connecting sleeve plate (9), and a fixing protrusion (13) is fixedly connected to one end of the fixing clamp (14).

2. The lightweight concrete segment with thermal bridge blocking structure according to claim 1, characterized in that: The fixed protrusion (13) is movably connected to the covering layer (5), and the center line of the glass fiber layer (4) is on the same vertical plane as the center line of the concrete pipe body (1).

3. The lightweight concrete segment with thermal bridge blocking structure according to claim 1, characterized in that: The fixed clamp (14) is movably connected to the covering layer (5), and the center line of the covering layer (5) and the center line of the glass fiber layer (4) are on the same vertical plane.

4. A lightweight concrete segment with thermal bridge blocking structure according to claim 1, characterized in that: The concrete pipe segment body (1) has internal steel bars (2) fixedly connected at both ends, and arc-shaped reinforcing bars (3) fixedly connected to the outside of the internal steel bars (2). The connecting sleeve plate (9) has reinforcing strips (15) fixedly connected at both ends on one side.

5. A lightweight concrete segment with a thermal bridge blocking structure according to claim 4, characterized in that: The reinforcing strip (15) is fixedly connected to the concrete segment body (1), and the arc-shaped reinforcing rib (3) is fixedly connected to the concrete segment body (1).

6. A lightweight concrete segment with thermal bridge blocking structure according to claim 1, characterized in that: Two sets of fixing plates (11) are fixedly connected to one side of the connecting sleeve plate (9). A connecting plate (7) is movably connected to one end of the fixing plate (11). Connecting insert plates (6) are fixedly connected to both sides of the connecting plate (7). A positioning protrusion (12) is fixedly connected to one end of one side of the concrete pipe segment body (1). A positioning groove (10) is opened at the other end of one side of the concrete pipe segment body (1). A positioning insertion hole (8) is opened at one end of the concrete pipe segment body (1).

7. A lightweight concrete segment with thermal bridge blocking structure according to claim 6, characterized in that: The connecting insert (6) is movably connected to the connecting sleeve (9), and the positioning groove (10) is movably connected to the positioning protrusion (12).

8. A lightweight concrete segment with thermal bridge blocking structure according to claim 6, characterized in that: The centerline of the positioning hole (8) and the centerline of the built-in steel bar (2) are on the same vertical plane, and the positioning hole (8) and the built-in steel bar (2) are movably connected.