CN215343750U - Cable pipeline - Google Patents
Cable pipeline Download PDFInfo
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- CN215343750U CN215343750U CN202121136089.6U CN202121136089U CN215343750U CN 215343750 U CN215343750 U CN 215343750U CN 202121136089 U CN202121136089 U CN 202121136089U CN 215343750 U CN215343750 U CN 215343750U
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- inner cylinder
- waterproof layer
- cable
- pipeline
- raceway
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Abstract
The utility model discloses a cable pipeline, which comprises an inner cylinder and an outer cylinder, wherein the inner cylinder is arranged in the outer cylinder, and a waterproof layer and an anticorrosive layer are sequentially arranged between the inner cylinder and the outer cylinder; and a low-thermal-resistance material is filled between the waterproof layer and the inner cylinder, and a reinforcing rib is connected between the waterproof layer and the inner cylinder. The utility model can improve the high heat-conducting property of the pipeline, improves the heat-radiating property of the pipeline, further improves the current-carrying capacity of the calandria cabling, and also has the excellent properties of high heat-conducting property, water resistance, corrosion resistance and the like.
Description
Technical Field
The utility model relates to a cable technology, in particular to a cable pipeline.
Background
Along with the high-speed development of the society, the urban load is larger and larger, the calandria is laid in an important cable laying mode for urban areas, the calandria laid cable is beneficial to municipal construction and arrangement of other various underground pipelines, meanwhile, overhead cables are reduced, and the beautification of cities is facilitated; cable conduit is a cable protection pipe for calandria cabling, and the pipeline can reduce the cable and directly receive external force and destroy, guarantees power supply stability, but existing cable conduit generally adopts the individual layer HDPE pipeline, simple structure, and intensity is low, and its is corrosion-resistant simultaneously, heat dispersion is poor, can influence the current-carrying capacity of cable, can not satisfy the operation requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a cable duct. The cable pipeline has the good characteristics of high heat conduction, water retention, corrosion resistance and the like so as to meet the requirements of various use places.
The purpose of the utility model is realized by the following technical scheme: the cable pipeline comprises an inner cylinder and an outer cylinder, wherein the inner cylinder is arranged in the outer cylinder, and a waterproof layer and an anticorrosive layer are sequentially arranged between the inner cylinder and the outer cylinder; and a low-thermal-resistance material is filled between the waterproof layer and the inner cylinder, a reinforcing rib is connected between the waterproof layer and the inner cylinder, and the reinforcing rib extends axially of the cable duct.
Preferably, the ratio of the wall thickness of the raceway to the inner diameter of the raceway is 1: 5-1: 10.
preferably, the inner diameter of the cable duct is 190mm to 200 mm.
Preferably, the inner cylinder, the waterproof layer, the anticorrosive layer and the outer cylinder are arranged in a concentric circle.
Preferably, the waterproof layer, the anticorrosive layer and the outer cylinder are sequentially bonded through resin curing.
Preferably, the number of the reinforcing ribs is multiple, and the multiple reinforcing ribs are uniformly distributed relative to the circumference of the inner cylinder.
Compared with the prior art, the utility model has the following advantages:
1. according to the cable pipeline, the low-thermal-resistance material is filled between the inner cylinder and the waterproof layer, so that the high heat-conducting performance of the pipeline can be improved, the heat-radiating performance of the pipeline is improved, and the current-carrying capacity of the calandria cabling can be improved.
2. The cable pipeline comprises an inner cylinder and an outer cylinder, and a low thermal resistance material, a waterproof layer and an anticorrosive layer are arranged between the inner cylinder and the outer cylinder, so that the cable pipeline has excellent performances of high heat conduction, water retention, corrosion prevention and the like, and meanwhile, the waterproof layer and the anticorrosive layer can ensure that the water in the low thermal resistance material is not lost, and the long-term stability of the operation of a cable line in the inner cylinder can be maintained.
3. The reinforcing rib is arranged between the inner cylinder and the waterproof layer and extends along the axial direction of the pipeline, so that the structural stability of the cable pipeline is enhanced, the uniformity of the circumferential distribution of the low-heat-resistance material in the inner cylinder is ensured, and the heat dissipation effect of the cable pipeline is further improved.
4. The cable pipeline has good corrosion resistance, the service life is prolonged, and the cost is saved.
Drawings
Fig. 1 is a schematic view of the structure of the raceway of the present invention.
The cable pipeline comprises an inner cylinder 1, an outer cylinder 2, a waterproof layer 3, an anticorrosive layer 4, a low-thermal-resistance material 5, a reinforcing rib 6, a wall thickness of the cable pipeline and an inner diameter of the cable pipeline.
Detailed Description
The utility model is further illustrated by the following figures and examples.
The cable pipeline shown in fig. 1 comprises an inner cylinder and an outer cylinder, wherein the inner cylinder is arranged in the outer cylinder, and a waterproof layer and an anticorrosive layer are sequentially arranged between the inner cylinder and the outer cylinder; and a low-thermal-resistance material is filled between the waterproof layer and the inner cylinder, a reinforcing rib is connected between the waterproof layer and the inner cylinder, and the reinforcing rib extends axially of the cable duct. Specifically, in this embodiment, the inner cylinder is an HDPE pipe, and the outer cylinder is a glass fiber reinforced plastic pipe, so as to ensure that the cable duct has sufficient strength. The waterproof layer is made of polyvinyl chloride, and the anticorrosive layer is made of silicon nitride, so that the cable pipeline has good waterproof and anticorrosive performances. The low-thermal-resistance material in the embodiment is mainly formed by mixing bentonite, quartz sand, water, cement, agar, a small amount of tartaric acid and a small amount of sodium carbonate, so that the high heat-conducting property of the cable pipeline is greatly improved. Meanwhile, the low-thermal-resistance material is not limited to the low-thermal-resistance material prepared by mixing the materials, and other low-thermal-resistance materials such as silver/epoxy resin composite materials, aluminum oxide polyurethane composite materials, graphene silica gel composite materials and the like can also be used. The number of the reinforcing ribs is 8, and the plurality of reinforcing ribs are uniformly distributed relative to the circumference of the inner cylinder. The reinforcing rib extends along the axial direction of the pipeline, so that the structural stability of the cable pipeline is enhanced, the uniformity of the circumferential distribution of the low-heat-resistance material in the inner cylinder is ensured, and the heat dissipation effect of the cable pipeline is further improved.
The ratio of the wall thickness of the cable duct to the inner diameter of the cable duct is 1: 5-1: 10. in this embodiment, the ratio of the wall thickness of the cable duct to the inner diameter of the cable duct is 1: 8. the inner diameter of the cable pipeline is 190 mm-200 mm. The cable can be conveniently laid in a proper size, and meanwhile, the cable pipeline is ensured to have good high heat conduction, water resistance, corrosion resistance and other performances by adopting a proper proportion between the wall thickness of the cable pipeline and the inner diameter of the cable pipeline.
The inner barrel, the waterproof layer, the anticorrosive layer and the outer barrel are arranged in a concentric circle mode. The structure is simple, and the stress at each position is ensured to be uniform, so that the stress concentration is avoided.
The waterproof layer, the anticorrosive layer and the outer barrel are sequentially bonded through resin curing. The structure has high stability and compact connection, and further determines the performance of the cable pipeline.
The above-mentioned embodiments are preferred embodiments of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions that do not depart from the technical spirit of the present invention are included in the scope of the present invention.
Claims (6)
1. A raceway, characterized by: the inner cylinder is arranged in the outer cylinder, and a waterproof layer and an anticorrosive layer are sequentially arranged between the inner cylinder and the outer cylinder; and a low-thermal-resistance material is filled between the waterproof layer and the inner cylinder, a reinforcing rib is connected between the waterproof layer and the inner cylinder, and the reinforcing rib extends axially of the cable duct.
2. The raceway of claim 1, wherein: the ratio of the wall thickness of the cable duct to the inner diameter of the cable duct is 1: 5-1: 10.
3. the raceway of claim 1, wherein: the inner diameter of the cable pipeline is 190 mm-200 mm.
4. The raceway of claim 1, wherein: the inner barrel, the waterproof layer, the anticorrosive layer and the outer barrel are arranged in a concentric circle mode.
5. The raceway of claim 1, wherein: the waterproof layer, the anticorrosive layer and the outer barrel are sequentially bonded through resin curing.
6. The raceway of claim 1, wherein: the quantity of strengthening rib is many, and many strengthening ribs are for the circumference evenly distributed of inner tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121136089.6U CN215343750U (en) | 2021-05-25 | 2021-05-25 | Cable pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121136089.6U CN215343750U (en) | 2021-05-25 | 2021-05-25 | Cable pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215343750U true CN215343750U (en) | 2021-12-28 |
Family
ID=79548212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121136089.6U Active CN215343750U (en) | 2021-05-25 | 2021-05-25 | Cable pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215343750U (en) |
-
2021
- 2021-05-25 CN CN202121136089.6U patent/CN215343750U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230717 Address after: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620, No. two, No. 2, Tianhe South Road, Guangzhou, Guangdong, Tianhe District Patentee before: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Patentee before: SOUTH CHINA University OF TECHNOLOGY |