CN217333720U - Termite-proof heat-resistant flame-retardant power cable - Google Patents
Termite-proof heat-resistant flame-retardant power cable Download PDFInfo
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- CN217333720U CN217333720U CN202221022694.5U CN202221022694U CN217333720U CN 217333720 U CN217333720 U CN 217333720U CN 202221022694 U CN202221022694 U CN 202221022694U CN 217333720 U CN217333720 U CN 217333720U
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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 relates to a power cable technical field discloses a prevent heat-resisting fire-retardant power cable of termite, prevent the termite sheath including polyethylene, the inside fixedly connected with asbestos fiber flame retardant layer of polyethylene termite-proof sheath, polyethylene is prevented to be provided with the intermediate layer between termite sheath and the asbestos fiber flame retardant layer, interbedded inside is provided with halogen system fire retardant and prevents the termite agent, the inside fixedly connected with light magnesium oxide layer of the flame retardant layer of asbestos fiber, the inside fixedly connected with outer insulating layer on light magnesium oxide layer, the dull and stereotyped aluminium shielding layer of the inside fixedly connected with of outer insulating layer, the high temperature resistant rock wool layer of the inside fixedly connected with of dull and stereotyped aluminium shielding layer, the inside fixedly connected with steel wire armor layer on high temperature resistant rock wool layer, the inside fixedly connected with inner insulating layer of steel wire armor. The utility model has the advantages of it is following and effect: the cable has the advantages of termite resistance, good heat resistance and flame retardant effect and convenience in installation and disassembly.
Description
Technical Field
The utility model relates to a power cable technical field, in particular to prevent heat-resisting fire-retardant power cable of termite.
Background
The power cable is used for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station leading-out lines, power supply in industrial and mining enterprises and power transmission lines under river-crossing seawater.
However, the existing power cable has the problems that the outer sheath layer of the cable is easily damaged by termites, moisture or water enters the cable after the outer sheath of the cable is damaged, the insulation of the cable is affected with damp, the insulation resistance is reduced, single-phase grounding short circuit is caused, even serious accidents such as line breakdown are caused, and the heat-resistant and flame-retardant effects of the existing power cable are poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevent heat-resisting fire-retardant power cable of termite can solve the problem of proposing among the above-mentioned background art.
The above technical purpose of the present invention can be achieved by the following technical solutions: a termite-proof heat-resistant flame-retardant power cable comprises a polyethylene termite-proof sheath, wherein an asbestos fiber flame-retardant layer is fixedly connected inside the polyethylene termite-proof sheath, an interlayer is arranged between the polyethylene termite-proof sheath and the asbestos fiber flame-retardant layer, a halogen flame retardant and a termite-proof agent are arranged in the interlayer, the inside of the asbestos fiber flame-retardant layer is fixedly connected with a light magnesium oxide layer, the inside of the light magnesium oxide layer is fixedly connected with an outer insulating layer, a flat aluminum shielding layer is fixedly connected inside the outer insulating layer, a high-temperature resistant rock wool layer is fixedly connected inside the flat aluminum shielding layer, the interior of the high-temperature resistant rock wool layer is fixedly connected with a steel wire armor layer, the interior of the steel wire armor layer is fixedly connected with an inner insulating layer, the cable comprises an inner insulating layer and is characterized in that a cable core is arranged inside the inner insulating layer, and a filler is arranged between the cable core and the inner insulating layer.
By adopting the technical scheme, the polyethylene has good electrical property and high insulating dielectric strength, the polyethylene termite-proof sheath and the termite-proof agent are arranged, the polyethylene termite-proof sheath can prevent the cable from being damaged by the termites and further prevent safety accidents from happening due to the fact that the termites damage the cable, the halogen flame retardant is decomposed to generate hydrogen halide, the hydrogen halide eliminates active free radicals generated by combustion reaction of high polymer materials when fire occurs by arranging the asbestos fiber flame retardant layer, the halogen flame retardant and the light magnesium oxide layer, the concentration of the free radicals is reduced, and therefore the chain reaction of combustion is slowed down or stopped, the flame retardant purpose is achieved, the flame retardant effect of the cable is good by arranging the high-temperature resistant rock wool layer, and the main raw material of the high-temperature resistant rock wool layer is basalt, The fire resistance of the material such as dolomite can reach A level, the high temperature resistance can reach 600 ℃, the spread of fire can be effectively prevented, the steel wire armor layer has high magnetic permeability and good shielding effect, and can be used for resisting low-frequency interference, so that the cable has good flame-retardant, heat-resistant and termite-resistant effects.
The utility model discloses a further set up to: the outer part of the polyethylene termite-proof sheath is sleeved with a lower arc-shaped plate, and both sides of the lower arc-shaped plate are fixedly connected with first connecting plates.
Through adopting above-mentioned technical scheme, first connection piece and second connection piece cooperation bolt and nut can link together last arc and lower arc.
The utility model discloses a further set up to: one side of the first connecting sheet is fixedly provided with a second connecting sheet through a bolt and a nut, and one end of the second connecting sheet is fixedly connected with an upper arc-shaped plate.
Through adopting above-mentioned technical scheme, go up the arc and be in the same place with arc is fixed down, can be convenient for fix the cable.
The utility model discloses a further set up to: one end of the first connecting piece, which is far away from the lower arc-shaped plate, is fixedly connected with a rectangular piece, and one side of the rectangular piece is provided with a bolt insertion hole.
Through adopting above-mentioned technical scheme, make fixing bolt through bolt jack to can fix the cable, conveniently install and dismantle the cable.
The utility model discloses a further set up to: the number of the bolt insertion holes is four, and the four bolt insertion holes are arranged on one side of the rectangular sheet in a rectangular array mode.
Through adopting above-mentioned technical scheme, the setting up of four bolt jack makes the connection between wall body and the rectangle piece more firm.
The utility model discloses a further set up to: the anti-skidding line has been seted up to the outside of bolt, the quantity of anti-skidding line is a plurality of.
Through adopting above-mentioned technical scheme, the frictional force of bolt and staff's hand can be strengthened in the setting of antiskid line, and then makes the staff more laborsaving when revolving wrong bolt.
The beneficial effects of the utility model are that: the polyethylene has good electrical property, particularly high insulating dielectric strength, and the polyethylene termite-proof sheath and the termite-proof agent are matched to prevent the cable from being damaged by termites and further cause safety accidents, when a fire disaster occurs, the halogen flame retardant is decomposed to generate hydrogen halide, the hydrogen halide eliminates the combustion reaction of a high polymer material to generate active free radicals, so that the concentration of the free radicals is reduced, the chain reaction of combustion is slowed down or stopped, the flame retardant purpose is achieved, the flame retardant effect of the cable is good by matching the asbestos fiber flame retardant layer and the light magnesium oxide layer, the high-temperature resistant rock wool layer is arranged, the main raw materials of the high-temperature resistant rock wool layer are basalt, dolomite and other materials, and the fire resistance can reach the A level, high temperature resistant up to 600 degrees centigrade, can effectively prevent stretching of conflagration, the steel wire armor has high magnetic permeability, there is fine shielding effect, can be used for anti low frequency interference, and then make the fire-retardant of cable, it is heat-resisting and termite-proof effect is better, through setting up lower arc, first connecting piece, the bolt, the second connecting piece, go up the arc, rectangular sheet and bolt jack, when to cable installation, through going up the arc and lower arc cover outside the cable, then twist soon the bolt and link together first connecting piece and second connecting piece, make fixing bolt through bolt jack at last, thereby can fix the cable, the convenience is installed and is dismantled the cable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
fig. 4 is a schematic structural view of the lower arc plate of the present invention.
In the figure, 1, a polyethylene termite-proof sheath; 2. an asbestos fiber flame retardant layer; 3. a halogen-based flame retardant; 4. a light magnesium oxide layer; 5. an outer insulating layer; 6. a flat aluminum shield layer; 7. a high temperature resistant rock wool layer; 8. a steel wire armor layer; 9. an inner insulating layer; 10. a wire core; 11. a filler; 12. a lower arc-shaped plate; 13. a first connecting piece; 14. a bolt; 15. a second connecting sheet; 16. an upper arc plate; 17. a rectangular sheet; 18. and (6) inserting holes for bolts.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a termite-proof, heat-resistant and flame-retardant power cable comprises a polyethylene termite-proof sheath 1, wherein the polyethylene has good electrical properties, particularly high insulating dielectric strength, and the polyethylene termite-proof sheath 1 can prevent termite damage to the cable and further prevent safety accidents caused by cable damage due to termite damage, a lower arc-shaped plate 12 is sleeved outside the polyethylene termite-proof sheath 1, first connecting plates 13 are fixedly connected to both sides of the lower arc-shaped plate 12, a second connecting plate 15 is fixedly mounted on one side of each first connecting plate 13 through bolts 14 and nuts, the lower arc-shaped plate 12, the first connecting plates 13, the bolts 14, the second connecting plates 15, the upper arc-shaped plate 16, the rectangular plates 17 and bolt insertion holes 18 are arranged, when the cable is installed, the upper arc-shaped plate 16 and the lower arc-shaped plate 12 are sleeved outside the cable, and then the bolts 14 are screwed to connect the first connecting plates 13 and the second connecting plates 15 together, finally, a fixing bolt 14 penetrates through the bolt jacks 18, so that the cable can be fixed, the cable is convenient to install and disassemble, the outer part of the bolt 14 is provided with a plurality of anti-skid grains, one end of the second connecting sheet 15 is fixedly connected with an upper arc-shaped plate 16, one end of the first connecting sheet 13, far away from the lower arc-shaped plate 12, is fixedly connected with a rectangular sheet 17, one side of the rectangular sheet 17 is provided with the bolt jacks 18, the number of the bolt jacks 18 is four, the four bolt jacks 18 are arranged on one side of the rectangular sheet 17 in a rectangular array mode, the inner part of the polyethylene termite-proof sheath 1 is fixedly connected with an asbestos fiber flame-retardant layer 2, an interlayer is arranged between the polyethylene termite-proof sheath 1 and the asbestos fiber flame-retardant layer 2, a halogen flame retardant 3 and a termite-proof agent are arranged in the interlayer, the inner part of the asbestos fiber flame-retardant layer 2 is fixedly connected with a light magnesium oxide layer 4, through the arrangement of the asbestos fiber flame retardant layer 2, the halogen flame retardant 3 and the light magnesium oxide layer 4, when a fire disaster occurs, the halogen flame retardant 3 is decomposed to generate hydrogen halide, the hydrogen halide eliminates the high polymer material to generate active free radicals through a combustion reaction, the concentration of the free radicals is reduced, and the chain reaction of the combustion is slowed down or stopped, so that the flame retardant purpose is achieved, the flame retardant effect of the cable is better by matching the asbestos fiber flame retardant layer 2 and the light magnesium oxide layer 4, the inner part of the light magnesium oxide layer 4 is fixedly connected with the outer insulating layer 5, the inner part of the outer insulating layer 5 is fixedly connected with the flat aluminum shielding layer 6, the inner part of the flat aluminum shielding layer 6 is fixedly connected with the high temperature resistant rock wool layer 7, the main raw materials of the high temperature resistant rock wool layer 7 are basalt, dolomite and the like, the fire resistance rock wool can reach the A level, the high temperature can reach 600 ℃, the fire disaster can be effectively prevented from spreading, the inner part of the high temperature resistant rock wool layer 7 is fixedly connected with the steel wire armor layer 8, steel wire armor 8 has high magnetic permeability, has fine shielding effect, can be used for anti low frequency interference, and then makes the fire-retardant, heat-resisting and termite-proof effect of cable better, and the inside fixedly connected with inner insulating layer 9 of steel wire armor 8, the inside of inner insulating layer 9 is provided with sinle silk 10, is provided with filler 11 between sinle silk 10 and the inner insulating layer 9.
In the utility model, the polyethylene has good electrical property, especially, the insulating dielectric strength is high, and the polyethylene prevents that termite sheath 1 cooperation prevents the termite agent and can play and avoid the termite to destroy the cable and make the cable damage and then cause the condition emergence of incident, through setting up asbestos fiber flame retardant layer 2, halogen system fire retardant 3 and light magnesium oxide layer 4, when meetting the conflagration, halogen system fire retardant 3 decomposes and produces the hydrogen halide, the hydrogen halide eliminates macromolecular material combustion reaction and produces the active free radical, make above-mentioned free radical concentration reduce, thereby slow down or terminate the chain reaction of burning, reach fire-retardant purpose, cooperation asbestos fiber flame retardant layer 2 and light magnesium oxide layer 4 make the flame retardant efficiency of cable better, through setting up high temperature resistant rock wool layer 7, the main raw and other materials of high temperature resistant rock wool layer 7 are basalt, materials such as dolomite, fire resistance can reach A level, high temperature resistant up to 600 degrees centigrade, can effectively prevent stretching of conflagration, steel wire armor 8 has high magnetic permeability, there is fine shielding effect, can be used for anti low frequency interference, and then make the fire-retardant of cable, it is heat-resisting and termite-proof effect is better, through arc 12 under setting up, first connecting piece 13, bolt 14, second connecting piece 15, go up arc 16, rectangular sheet 17 and bolt jack 18, when installing the cable, through will going up arc 16 and arc 12 cover down outside the cable, then twist soon bolt 14 and link together first connecting piece 13 and second connecting piece 15, make fixing bolt 14 run through bolt jack 18 at last, thereby can fix the cable, the convenience is installed and is dismantled the cable.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A termite-proof heat-resistant flame-retardant power cable comprises a polyethylene termite-proof sheath (1), and is characterized in that: the interior of the polyethylene termite-proof sheath (1) is fixedly connected with an asbestos fiber flame-retardant layer (2), an interlayer is arranged between the polyethylene termite-proof sheath (1) and the asbestos fiber flame-retardant layer (2), a halogen flame retardant (3) and a termite-proof agent are arranged inside the interlayer, a light magnesium oxide layer (4) is fixedly connected inside the asbestos fiber flame-retardant layer (2), an outer insulating layer (5) is fixedly connected inside the light magnesium oxide layer (4), a flat aluminum shielding layer (6) is fixedly connected inside the outer insulating layer (5), a high-temperature resistant rock wool layer (7) is fixedly connected inside the flat aluminum shielding layer (6), a steel wire armor layer (8) is fixedly connected inside the high-temperature resistant rock wool layer (7), an inner insulating layer (9) is fixedly connected inside the steel wire armor layer (8), and a wire core (10) is arranged inside the inner insulating layer (9), and a filler (11) is arranged between the wire core (10) and the inner insulating layer (9).
2. The termite resistant, heat resistant, flame retardant power cable of claim 1 wherein: the outer part of the polyethylene termite-proof sheath (1) is sleeved with a lower arc-shaped plate (12), and both sides of the lower arc-shaped plate (12) are fixedly connected with first connecting plates (13).
3. The termite resistant, heat resistant, flame retardant power cable of claim 2 wherein: one side of the first connecting piece (13) is fixedly provided with a second connecting piece (15) through a bolt (14) and a nut, and one end of the second connecting piece (15) is fixedly connected with an upper arc-shaped plate (16).
4. The termite resistant, heat resistant, flame retardant power cable of claim 2 wherein: one end of the first connecting piece (13) far away from the lower arc-shaped plate (12) is fixedly connected with a rectangular piece (17), and one side of the rectangular piece (17) is provided with a bolt inserting hole (18).
5. The termite resistant, heat resistant and flame retardant power cable as claimed in claim 4 wherein: the number of the bolt insertion holes (18) is four, and the four bolt insertion holes (18) are arranged on one side of the rectangular sheet (17) in a rectangular array mode.
6. The termite resistant, heat resistant, flame retardant power cable of claim 3 wherein: the anti-skidding lines are arranged on the outer portion of the bolt (14), and the number of the anti-skidding lines is a plurality.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221022694.5U CN217333720U (en) | 2022-04-29 | 2022-04-29 | Termite-proof heat-resistant flame-retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221022694.5U CN217333720U (en) | 2022-04-29 | 2022-04-29 | Termite-proof heat-resistant flame-retardant power cable |
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| Publication Number | Publication Date |
|---|---|
| CN217333720U true CN217333720U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221022694.5U Active CN217333720U (en) | 2022-04-29 | 2022-04-29 | Termite-proof heat-resistant flame-retardant power cable |
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| Country | Link |
|---|---|
| CN (1) | CN217333720U (en) |
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2022
- 2022-04-29 CN CN202221022694.5U patent/CN217333720U/en active Active
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