CN216053989U - High-voltage water-blocking insulated overhead cable - Google Patents
High-voltage water-blocking insulated overhead cable Download PDFInfo
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- CN216053989U CN216053989U CN202121872454.XU CN202121872454U CN216053989U CN 216053989 U CN216053989 U CN 216053989U CN 202121872454 U CN202121872454 U CN 202121872454U CN 216053989 U CN216053989 U CN 216053989U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a high-voltage water-blocking insulated overhead cable which comprises a main body assembly, a compression-resistant water-blocking assembly and a fixing assembly, wherein the main body assembly comprises a rubber protective layer, an armor layer and a first flame-retardant layer; the resistance to compression subassembly that blocks water is installed to the inside wall of main part subassembly, the resistance to compression subassembly that blocks water includes the rubber ring plate body. When external force extrusion rubber ring plate body, thereby make the inside S type rubber plate body of rubber ring plate body extrusion, because the outward appearance of S type rubber plate body is the S type, can strengthen the compressive capacity, wherein the setting of square rubber plate body, a compressive capacity for further reinforcing rubber ring plate body, conveniently protect the inside structure of cable, wherein the setting on water barrier and first insulation layer, the material on water barrier is the epoxy material, the performance that the reinforcing was blocked water, then the material on first insulation layer is formed for semi-conductive non-woven fabrics or super absorbent resin complex, the primary action is exactly dampproofing, avoid the cable to be infringed by natural condition and the moist rupture.
Description
Technical Field
The utility model relates to the technical field of overhead cables, in particular to a high-voltage water-blocking insulated overhead cable.
Background
The overhead cable is an overhead conductor provided with an insulating layer and a protective sheath, adopts a special cable manufactured by a production process similar to a crosslinked cable, and is a new power transmission mode between the overhead conductor and an underground cable; the overhead cable has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like, and is widely applied to domestic and foreign power transmission;
when the existing overhead cable is used, the pressure resistance and the water resistance are poor during transportation and erection, so that the cable is easily broken, the internal structure of the cable is damaged, and therefore the high-voltage water-resistant insulated overhead cable is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-voltage water-blocking insulated overhead cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-voltage water-blocking insulated overhead cable comprises a main body assembly, a compression-resistant water-blocking assembly and a fixing assembly, wherein the main body assembly comprises a rubber protective layer, an armor layer and a first flame-retardant layer;
the inner side wall of the main body assembly is provided with a compression-resistant water-blocking assembly, and the compression-resistant water-blocking assembly comprises a rubber circular plate body, a water-resisting layer, a first insulating layer, an S-shaped rubber plate body and a square rubber plate body;
the resistance to compression subassembly that blocks water the front surface seted up the recess, the inside wall of recess evenly bonds and has S type rubber plate body, the lateral wall symmetry of S type rubber plate body bonds and has two square rubber plate bodies, square rubber plate body keeps away from one side of S type rubber plate body bond in the inside wall of recess, the inside wall of rubber ring plate body bond in the lateral wall of water-stop layer.
Preferably: a fixing component is mounted on the inner side wall of the compression-resistant water-blocking component and comprises a circular rubber plate body, a cable aluminum core, a second insulating layer, a second flame-retardant layer, a cable steel core, a third insulating layer and a third flame-retardant layer;
the cable aluminium core sets up six altogether the lateral wall of cable aluminium core bond in the inside wall of second insulating layer, the lateral wall of second insulating layer bond in the inside wall on fire-retardant layer of second, through the setting of cable aluminium core, anti-oxidant, corrosion-resistant, aluminium reacts with oxygen in the air and generates an oxide film very fast, can prevent further oxidation, so the aluminium wire is the must select material of high voltage, large-section, large-span overhead transmission of electricity.
Preferably: the outer side wall of the cable steel core is bonded to the inner side wall of the third insulating layer, the outer side wall of the third insulating layer is bonded to the inner side wall of the third flame-retardant layer, mechanical strength can be increased through the arrangement of the cable steel core, a conductive effect can be achieved, self strength of the aerial cable is improved, and service life of the aerial cable is prolonged.
Preferably: the front surface of the circular rubber plate body runs through the outer side wall of the second flame-retardant layer, the front surface of the circular rubber plate body runs through the outer side wall of the third flame-retardant layer, through the arrangement of the circular rubber plate body, the fixed position can be conveniently carried out on the second flame-retardant layer and the third flame-retardant layer at the same time, and the compression resistance can be effectively supported on the second flame-retardant layer and the third flame-retardant layer.
Preferably: the outer side wall of the round rubber plate body is bonded with the semiconductor shielding layer, the semiconductor shielding layer is made of a semiconductive polyolefin material, and the round rubber plate has the characteristics of small relative density, chemical resistance, good water resistance, good mechanical strength, good electrical insulation property and the like, and can insulate and protect an internal cable.
Preferably: the inner side wall of the rubber protective layer is bonded to the outer side wall of the armor layer, and the rubber protective layer is arranged to protect the internal structure of the cable and has extremely high friction force.
Preferably: the inside wall of armor bonds in the lateral wall of first fire-retardant layer, the inside wall of first fire-retardant layer bond in the lateral wall of rubber ring plate body, wherein the setting of first fire-retardant layer for prevent outside burning to inside the cable, improve the security of cable.
Preferably: the inside wall on water barrier bond in the lateral wall on first insulating layer, the inside wall on first insulating layer bonds in the lateral wall on semiconductor shield layer, through the setting of first insulating layer, further improves inside insulating's performance, improves earth leakage protection to security when improving the use.
Compared with the prior art, the utility model has the beneficial effects that:
when external force extrusion rubber ring plate body, thereby make the inside S type rubber plate body of rubber ring plate body extrusion, because the outward appearance of S type rubber plate body is the S type, can strengthen the compressive capacity, wherein the setting of square rubber plate body, a compressive capacity for further reinforcing rubber ring plate body, conveniently protect the inside structure of cable, wherein the setting on water barrier and first insulation layer, the material on water barrier is the epoxy material, the performance that the reinforcing was blocked water, then the material on first insulation layer is formed for semi-conductive non-woven fabrics or super absorbent resin complex, the primary action is exactly dampproofing, avoid the cable to be infringed by natural condition and the moist rupture.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the area A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of the area B of FIG. 1 according to the present invention;
FIG. 4 is a schematic side view of the rubber ring plate according to the present invention;
FIG. 5 is a schematic perspective side view of the present invention.
In the figure: 1. a body assembly; 101. a rubber protective layer; 102. an armor layer; 103. a first flame retardant layer; 2. a compression-resistant water-blocking component; 201. a rubber ring plate body; 202. a water barrier layer; 203. a first insulating layer; 204. an S-shaped rubber plate body; 205. a square rubber plate body; 3. a fixing assembly; 301. a circular rubber plate body; 302. an aluminum core of the cable; 303. a second insulating layer; 304. a second flame retardant layer; 305. a cable steel core; 306. a third insulating layer; 307. a third flame retardant layer; 4. a semiconductor shielding layer; 5. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: a high-voltage water-blocking insulated overhead cable comprises a main body component 1, a pressure-resistant water-blocking component 2 and a fixing component 3, wherein the main body component 1 comprises a rubber protective layer 101, an armor layer 102 and a first flame-retardant layer 103;
the inner side wall of the main body component 1 is provided with a compression-resistant water-blocking component 2, and the compression-resistant water-blocking component 2 comprises a rubber ring plate body 201, a waterproof layer 202, a first insulating layer 203, an S-shaped rubber plate body 204 and a square rubber plate body 205;
the front surface of resistance to compression subassembly 2 that blocks water has seted up recess 5, and the inside wall of recess 5 evenly bonds and has S type rubber plate body 204, and the lateral wall symmetry of S type rubber plate body 204 bonds and has two square rubber plate bodies 205, and one side that S type rubber plate body 204 was kept away from to square rubber plate body 205 bonds in recess 5' S inside wall, and the inside wall of rubber ring plate body 201 bonds in the lateral wall of water barrier 202.
In this embodiment, specifically: the fixing component 3 is installed on the inner side wall of the compression-resistant water-blocking component 2, and the fixing component 3 comprises a circular rubber plate body 301, a cable aluminum core 302, a second insulating layer 303, a second flame-retardant layer 304, a cable steel core 305, a third insulating layer 306 and a third flame-retardant layer 307;
In this embodiment, specifically: the outer side wall of the cable steel core 305 is bonded to the inner side wall of the third insulating layer 306, the outer side wall of the third insulating layer 306 is bonded to the inner side wall of the third flame-retardant layer 307, mechanical strength can be increased through the arrangement of the cable steel core 305, a conductive effect can be achieved at the same time, the strength of the aerial cable is improved, the service life is prolonged, the arrangement of the third insulating layer 306 is used for preventing the cable steel core 305 from generating spark spontaneous combustion due to electric leakage, then the arrangement of the third flame-retardant layer 307 effectively blocks flame combustion, and the use safety of the cable steel core 305 is protected.
In this embodiment, specifically: the front surface of circular rubber plate body 301 runs through in the lateral wall of the fire-retardant layer 304 of second, and the front surface of circular rubber plate body 301 runs through in the lateral wall of the fire-retardant layer 307 of third, through the setting of circular rubber plate body 301, conveniently carries out fixed position to the fire-retardant layer 304 of second and the fire-retardant layer 307 of third simultaneously, can effectively support the resistance to compression again to the fire-retardant layer 304 of second and the fire-retardant layer 307 of third.
In this embodiment, specifically: the outer side wall of the circular rubber plate body 301 is bonded with the semiconductor shielding layer 4, the semiconductor shielding layer 4 is made of a semiconductive polyolefin material, and the circular rubber plate body has the characteristics of small relative density, chemical resistance, good water resistance, good mechanical strength, good electrical insulation and the like, and can insulate and protect internal cables.
In this embodiment, specifically: the inside wall of rubber protective layer 101 bonds in armor 102's lateral wall, through the setting of rubber protective layer 101, with the protection cable inner structure in, have high frictional force again, wherein armor 102's setting to the utility layer of inside receives the damage when transportation and installation.
In this embodiment, specifically: the inside wall of armor 102 bonds in the lateral wall of first fire-retardant layer 103, and the inside wall of first fire-retardant layer 103 bonds in the lateral wall of rubber ring plate body 201, and wherein the setting of first fire-retardant layer 103 for prevent outside burning to inside the cable, improve the security of cable.
In this embodiment, specifically: the inside wall of water barrier 202 bonds in the outside wall of first insulating layer 203, and the inside wall of first insulating layer 203 bonds in the outside wall of semiconductor shield 4, through the setting of first insulating layer 203, further improves the performance of internal insulation, improves earth leakage protection to the security when improving the use.
In this embodiment: the first insulating layer 203, the second insulating layer 303 and the third insulating layer 306 are made of a composite material of semi-conductive non-woven fabrics or super absorbent resin, and have the main function of moisture prevention, so that the cable is prevented from being damaged by natural conditions and being broken due to moisture; the first flame-retardant layer 103, the second flame-retardant layer 304 and the third flame-retardant layer 307 are made of polypropylene flame-retardant resin, so that flame retardance can be improved, and compression resistance and shock absorption can be performed on the cable; the waterproof layer 202 is made of epoxy resin material, so that the water resistance performance is enhanced.
The working principle or the structural principle is that when the cable is used, when an external force extrudes the rubber circular ring plate body 201, the rubber circular ring plate body 201 extrudes the internal S-shaped rubber plate body 204, the S-shaped rubber plate body 204 is S-shaped, so that the compression resistance can be enhanced, wherein the square rubber plate body 205 is arranged and used for further enhancing the compression resistance of the rubber circular ring plate body 201, the internal structure of the cable is conveniently protected, the first insulating layer 203, the second insulating layer 303 and the third insulating layer 306 are made of semi-conductive non-woven fabrics or super absorbent resin in a compounding mode, the main effect is moisture prevention, and the cable is prevented from being damaged by natural conditions and being broken due to moisture; the first flame-retardant layer 103, the second flame-retardant layer 304 and the third flame-retardant layer 307 are made of polypropylene flame-retardant resin, so that flame retardance can be improved, and compression resistance and shock absorption can be performed on the cable; the water barrier layer 202 is made of epoxy resin material, which enhances the water-blocking performance, and the armor layer 102 is disposed to prevent the inner utility layer from being damaged during transportation and installation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a high pressure insulating aerial [ insulated ] cable that blocks water, includes main part subassembly (1), resistance to compression subassembly (2) and fixed subassembly (3), its characterized in that: the main body component (1) comprises a rubber protective layer (101), an armor layer (102) and a first flame retardant layer (103);
the inner side wall of the main body component (1) is provided with a compression-resistant water-blocking component (2), and the compression-resistant water-blocking component (2) comprises a rubber ring plate body (201), a water-blocking layer (202), a first insulating layer (203), an S-shaped rubber plate body (204) and a square rubber plate body (205);
the front surface of resistance to compression subassembly (2) that blocks water sets up fluted (5), the inside wall of recess (5) evenly bonds and has S type rubber plate body (204), the lateral wall symmetry of S type rubber plate body (204) bonds and has two square rubber plate bodies (205), square rubber plate body (205) are kept away from one side of S type rubber plate body (204) bond in the inside wall of recess (5), the inside wall of rubber ring plate body (201) bond in the lateral wall of water barrier (202).
2. The high voltage water-blocking insulated overhead cable of claim 1, wherein: a fixing component (3) is mounted on the inner side wall of the compression-resistant water-blocking component (2), and the fixing component (3) comprises a circular rubber plate body (301), a cable aluminum core (302), a second insulating layer (303), a second flame-retardant layer (304), a cable steel core (305), a third insulating layer (306) and a third flame-retardant layer (307);
six cable aluminum cores (302) are arranged, the outer side walls of the six cable aluminum cores (302) are bonded to the inner side wall of the second insulating layer (303), and the outer side wall of the second insulating layer (303) is bonded to the inner side wall of the second flame-retardant layer (304).
3. The high voltage water-blocking insulated overhead cable of claim 2, wherein: the outer side wall of the cable steel core (305) is adhered to the inner side wall of the third insulating layer (306), and the outer side wall of the third insulating layer (306) is adhered to the inner side wall of the third flame retardant layer (307).
4. The high voltage water-blocking insulated overhead cable of claim 2, wherein: the front surface of the round rubber plate body (301) penetrates through the outer side wall of the second flame-retardant layer (304), and the front surface of the round rubber plate body (301) penetrates through the outer side wall of the third flame-retardant layer (307).
5. The high voltage water-blocking insulated overhead cable of claim 2, wherein: and a semiconductor shielding layer (4) is adhered to the outer side wall of the circular rubber plate body (301).
6. The high voltage water-blocking insulated overhead cable of claim 1, wherein: the inner side wall of the rubber protective layer (101) is bonded to the outer side wall of the armor layer (102).
7. The high voltage water-blocking insulated overhead cable of claim 1, wherein: the inner side wall of the armor layer (102) is bonded to the outer side wall of the first flame-retardant layer (103), and the inner side wall of the first flame-retardant layer (103) is bonded to the outer side wall of the rubber ring plate body (201).
8. The high voltage water-blocking insulated overhead cable of claim 1, wherein: the inner side wall of the waterproof layer (202) is adhered to the outer side wall of the first insulating layer (203), and the inner side wall of the first insulating layer (203) is adhered to the outer side wall of the semiconductor shielding layer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121872454.XU CN216053989U (en) | 2021-08-11 | 2021-08-11 | High-voltage water-blocking insulated overhead cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121872454.XU CN216053989U (en) | 2021-08-11 | 2021-08-11 | High-voltage water-blocking insulated overhead cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216053989U true CN216053989U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121872454.XU Active CN216053989U (en) | 2021-08-11 | 2021-08-11 | High-voltage water-blocking insulated overhead cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216053989U (en) |
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2021
- 2021-08-11 CN CN202121872454.XU patent/CN216053989U/en active Active
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