Cable directly-buried laying structure
By installing fixing components and warning layers inside the cable trench, the problem of unstable cable burial was solved, achieving stable cable fixing and safety warnings, thus improving the safety of cable laying.
Patent Information
- Application Number
- CN202520338432.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-02-28
AI Technical Summary
The existing direct burial method for cables does not include cable fixing devices, resulting in unstable cable burial and potential safety hazards.
Fixing components are installed inside the trench, and cables are secured by limiting rods and cover plates. Protective tubes are then fitted over the cables, and warning layers are added to enhance safety.
It enhances the stability and safety of the cable, prevents cable damage, and improves the safety of cable laying.
Smart Images
Figure CN223942381U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of cable laying technology, specifically relating to a cable direct burial laying structure. Background Technology
[0002] With social development, the power industry is also developing rapidly. The power industry frequently involves cable laying, often using direct burial. Direct burial involves digging a cable trench, laying a sand layer at the bottom, removing debris, laying the cable, immediately backfilling with sand, and covering the cable with bricks or concrete slabs for protection before backfilling. However, this method typically lacks cable fixing devices, leading to unstable cable placement and potential safety issues. Therefore, this invention provides a direct burial cable structure to address these problems. Summary of the Invention
[0003] To overcome the problems mentioned in the background art, this utility model provides a direct burial cable laying structure. During installation, a fixing component is installed in the trench, and the cable is fixed within the cable groove of the fixing component. The fixing component secures and limits the cable, enhancing its stability and improving safety. Simultaneously, a warning layer is provided to enhance the warning effect, prevent cable damage, and further improve safety.
[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: A cable direct burial laying structure includes a trench 1, a fine sand cushion layer 2, a protective plate 3, a first backfill layer 4, a second backfill layer 5, a warning layer 6, and a fixing component 7. The trench 1 is filled with the fine sand cushion layer 2, the first backfill layer 4, the warning layer 6, and the second backfill layer 5 in sequence from bottom to top. Multiple sets of the fixing components 7 are installed in the trench 1 along its length direction. The cable 8 is fixed in the fixing component 7, and the cable 8 is covered with a protective tube 23. The protective plate 3 is provided between the fine sand cushion layer 2 and the first backfill layer 4.
[0005] Furthermore, the fixing component 7 includes a base plate 9, a limiting component 10, a limiting cylinder 11, a limiting ring 12, and a cover plate 13. The top of the base plate 9 is provided with multiple sets of the limiting components 10 from left to right. A cable groove 14 is formed between two adjacent sets of limiting components 10. The cable 8 is fixed in the cable groove 14. Each set of the limiting components 10 includes two limiting rods 15 installed at intervals. A limiting ring 12 is installed near the top of the limiting rod 15. The bottom of the cover plate 13 is provided with multiple limiting cylinders 11 that are sleeved outside the limiting rods 15. The outer diameter of the limiting cylinder 11 is smaller than the outer diameter of the limiting ring 12.
[0006] Furthermore, the cover plate 13 has through holes at its four corners, and the top of the limiting rods 15 at the four corners of the base plate 9 is fitted with screws 16 that pass through the through holes. Nuts 17 are threaded onto the screws 16 and located on the top of the cover plate 13.
[0007] Furthermore, a plurality of insertion rods 18 are installed at the bottom of the base plate 9 to be inserted into the mud layer.
[0008] Furthermore, the warning layer 6 includes a first warning plate 19, a warning red soil layer 20, and a second warning plate 21. The warning red soil layer 20 is filled between the first backfill layer 4 and the second backfill layer 5. The first warning plate 19 is disposed between the first backfill layer 4 and the warning red soil layer 20, and the second warning plate 21 is disposed between the warning red soil layer 20 and the second backfill layer 5.
[0009] Furthermore, a warning stake 22 is provided at the top of the second backfill layer 5.
[0010] The beneficial effects of this utility model are:
[0011] During installation, the fixing component is installed in the trench, and the cable is fixed in the cable groove of the fixing component. The fixing component can fix and limit the cable, enhance the stability of the cable, and improve safety. The top of the limiting rod is detachably equipped with a cover plate, which facilitates the removal and installation of the top cover, thereby facilitating the installation and fixing of the cable. At the same time, a warning layer is provided to enhance the warning effect, prevent the cable from being damaged, and improve safety. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model.
[0013] Reference numerals in the attached diagram: 1. Trench body; 2. Fine sand cushion layer; 3. Protective plate; 4. First backfill layer; 5. Second backfill layer; 6. Warning layer; 7. Fixing component; 8. Cable; 9. Base plate; 10. Limiting component; 11. Limiting cylinder; 12. Limiting ring; 13. Cover plate; 14. Cable trough; 15. Limiting rod; 16. Screw; 17. Nut; 18. Insert rod; 19. First warning plate; 20. Warning red soil layer; 21. Second warning plate; 22. Warning post; 23. Protective pipe. Detailed Implementation
[0014] To make the objectives, technical solutions, and beneficial effects of this utility model clearer, the preferred embodiments of this utility model will be described in detail below with reference to the accompanying drawings, so as to facilitate the understanding of those skilled in the art.
[0015] like Figure 1This utility model discloses a direct burial cable laying structure, which includes a trench 1, a fine sand cushion layer 2, a protective plate 3, a first backfill layer 4, a second backfill layer 5, a warning layer 6, and fixing components 7. The trench 1 is filled with the fine sand cushion layer 2, the first backfill layer 4, the warning layer 6, and the second backfill layer 5 sequentially from bottom to top. Multiple sets of fixing components 7 are installed in the trench 1 along its length. The cable 8 is fixed in the fixing components 7, and the cable 8 is covered with a protective tube 23. The protective tube can be a galvanized steel pipe to enhance the protection of the cable. A protective plate 3 is provided between the fine sand cushion layer 2 and the first backfill layer 4. The protective plate can be made of red brick or concrete slab. During laying, the fixing components are installed in the trench, and the cable is fixed in the cable groove of the fixing components. The fixing components can fix and limit the cable, enhance the stability of the cable, and improve safety. At the same time, a warning layer is provided to enhance the warning effect, prevent the cable from being damaged, and improve safety.
[0016] The fixing assembly 7 includes a base plate 9, a limiting assembly 10, a limiting cylinder 11, a limiting ring 12, and a cover plate 13. Multiple sets of the limiting assemblies 10 are arranged from left to right on the top of the base plate 9. A cable groove 14 is formed between two adjacent sets of limiting assemblies 10, and the cable 8 is fixed within the cable groove 14. Each set of limiting assemblies 10 includes two limiting rods 15 installed at intervals. A limiting ring 12 is installed near the top of each limiting rod 15. Multiple limiting cylinders 11 are provided at the bottom of the cover plate 13, which are sleeved around the limiting rods 15, and the outer diameter of each limiting cylinder 11 is smaller than that of the limiting ring. The outer diameter is 12, meaning the limiting cylinder is located above the limiting ring; multiple insert rods 18 inserted into the mud layer are installed at the bottom of the base plate 9; the cover plate 13 has through holes at its four corners, and the top of the limiting rods 15 at the four corners of the base plate 9 is fitted with screw rods 16 that pass through the through holes, and nuts 17 are threaded onto the screw rods 16 and located at the top of the cover plate 13; the nuts can be manual nuts; the fixing assembly is fixed to the bottom of the trench by the insert rods, the cable is placed in the cable trough, the cover plate is covered, and the cover plate is locked with nuts. The cover plate is easy to disassemble and install, which facilitates the installation and limiting and fixing of the cable, and enhances the stability of the cable.
[0017] The warning layer 6 includes a first warning board 19, a warning red soil layer 20, and a second warning board 21. The warning red soil layer 20 is filled between the first backfill layer 4 and the second backfill layer 5. The first warning board 19 is located between the first backfill layer 4 and the warning red soil layer 20, and the second warning board 21 is located between the warning red soil layer 20 and the second backfill layer 5. The warning layer between the first backfill layer and the second backfill layer serves as a warning. If the second backfill layer is accidentally dug up, the first warning board, the warning red soil layer, and the second warning board can serve as a warning and barrier. If the first warning board is damaged, the second warning board is still there to protect the cable and improve safety. The upper surfaces of the first and second warning boards can be coated with red paint to remind people that digging is strictly prohibited.
[0018] The top of the second backfill layer 5 is provided with a warning post 22; the warning post can be an existing cable warning post, with the words "Cable below, excavation strictly prohibited" to serve as a warning.
[0019] Work process:
[0020] The working principle of this utility model is as follows: the base plate of the fixing component 7 is fixed to the bottom of the trench by the insertion rod 18, the cable 8 and the protective tube 23 are placed in the cable trough 14, the cover plate 13 is covered, and the cover plate 13 is locked with the nut 17 to facilitate the installation and limit the fixing of the cable 8; the trench 1 is filled from bottom to top with fine sand cushion layer 2, first backfill soil layer 4, warning layer 6 and second backfill soil layer 5, and a protective plate 3 is provided between the fine sand cushion layer 2 and the first backfill soil layer 4 to facilitate the laying and protection of the cable.
[0021] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although the utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made to it in form and detail without departing from the scope defined by the claims of this utility model.
Claims
1. A cable direct burial laying structure, characterized in that: The cable direct burial structure includes a trench (1), a fine sand cushion layer (2), a protective plate (3), a first backfill layer (4), a second backfill layer (5), a warning layer (6), and a fixing component (7). The trench (1) is filled with the fine sand cushion layer (2), the first backfill layer (4), the warning layer (6), and the second backfill layer (5) from bottom to top. Multiple sets of the fixing components (7) are installed in the trench (1) along its length. The cable (8) is fixed in the fixing component (7), and the cable (8) is covered with a protective tube (23). The protective plate (3) is provided between the fine sand cushion layer (2) and the first backfill layer (4).
2. The cable direct burial laying structure according to claim 1, characterized in that: The fixing component (7) includes a base plate (9), a limiting component (10), a limiting cylinder (11), a limiting ring (12), and a cover plate (13). The top of the base plate (9) is provided with multiple sets of the limiting components (10) from left to right. A cable groove (14) is formed between two adjacent sets of limiting components (10). The cable (8) is fixed in the cable groove (14). Each set of the limiting components (10) includes two limiting rods (15) installed at intervals. A limiting ring (12) is installed near the top of the limiting rod (15). The bottom of the cover plate (13) is provided with multiple limiting cylinders (11) sleeved outside the limiting rods (15), and the outer diameter of the limiting cylinder (11) is smaller than the outer diameter of the limiting ring (12).
3. The cable direct burial structure according to claim 2, characterized in that: The cover plate (13) has through holes at its four corners. The top of the limiting rods (15) at the four corners of the bottom plate (9) is fitted with screws (16) that pass through the through holes. Nuts (17) are threaded onto the screws (16) and located on the top of the cover plate (13).
4. The cable direct burial laying structure according to claim 2, characterized in that: The bottom of the base plate (9) is equipped with a plurality of insert rods (18) that are inserted into the mud layer.
5. The cable direct burial structure according to claim 2, characterized in that: The warning layer (6) includes a first warning plate (19), a warning red soil layer (20), and a second warning plate (21). The warning red soil layer (20) is filled between the first backfill layer (4) and the second backfill layer (5). The first warning plate (19) is set between the first backfill layer (4) and the warning red soil layer (20), and the second warning plate (21) is set between the warning red soil layer (20) and the second backfill layer (5).
6. The cable direct burial laying structure according to claim 1, characterized in that: A warning post (22) is provided at the top of the second backfill layer (5).