CN116705395B - Fire-resistant aluminum alloy power cable - Google Patents
Fire-resistant aluminum alloy power cable Download PDFInfo
- Publication number
- CN116705395B CN116705395B CN202310979706.6A CN202310979706A CN116705395B CN 116705395 B CN116705395 B CN 116705395B CN 202310979706 A CN202310979706 A CN 202310979706A CN 116705395 B CN116705395 B CN 116705395B
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- power cable
- strip
- fixedly connected
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 19
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 38
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000001125 extrusion Methods 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 16
- 238000003032 molecular docking Methods 0.000 claims description 13
- 239000011261 inert gas Substances 0.000 claims description 12
- 239000011241 protective layer Substances 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 238000003756 stirring Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
-
- 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
Abstract
The invention discloses a fire-resistant aluminum alloy power cable, which relates to the technical field of aluminum alloy cables and comprises a power cable body, wherein the power cable body comprises a replaceable component, a flame-retardant component, a protection component, a cable core and a clamping device, and the replaceable component, the flame-retardant component and the protection component are sequentially wrapped on the outer ring of the cable core from outside to inside. The invention has the advantages that: through tailorring the power cable body for the workman is convenient for act as the regulation pole with the screwdriver, utilizes the inclined plane of regulation pole one end to promote the pressurized ring and removes, is convenient for compress the annular extrusion piece of being convenient for to remove, is convenient for extrude the piece and promotes the locating piece and slide at the inner wall of clamping lever, is convenient for the clamping lever to carry out the centre gripping restriction to the outside of cable core, then the workman drives the restriction ring through rotating the regulation pole and rotates, is convenient for stir many cable cores together, has reached the effect of being convenient for the workman to repair fast after the power cable body damages.
Description
Technical Field
The invention relates to the technical field of aluminum alloy cables, in particular to a fire-resistant aluminum alloy power cable.
Background
The aluminum alloy cable is a novel material power cable adopting advanced technologies such as special roll forming molded line stranding production process, annealing treatment and the like, overcomes the defects of the prior pure aluminum cable, greatly improves bending performance, creep resistance, corrosion resistance and the like, can ensure that the cable keeps stable continuous performance when overload and overheat for a long time, and has the following development of the aluminum alloy cable;
but in fire-resistant aluminum alloy power cable, when the circumstances that receive high temperature damage because of power cable appears, need the workman to cut the power cable, then clear up the cable core outside, then just can be convenient for the workman to connect between the cable core, the very big time of having wasted the workman when connecting between the power cable like this, simultaneously when power cable surface received high temperature damage, inconvenient workman changed the article of power cable surface protective layer, probably lead to the inside of power cable to expose in the air, influenced the whole life of power cable, for this reason, we put forward a fire-resistant aluminum alloy power cable.
Disclosure of Invention
The invention aims to provide a fire-resistant aluminum alloy power cable.
In order to solve the problems set forth in the background art, the invention provides the following technical scheme: the utility model provides a fire-resistant aluminum alloy power cable, includes the power cable body, the power cable body includes removable subassembly, fire-retardant subassembly, protection subassembly, cable core and clamping device, removable subassembly, fire-retardant subassembly and protection subassembly are from outer to interior parcel in proper order in cable core outer lane, many install clamping device between the cable core, removable subassembly includes fastening ring, tear strip and docking ring, fastening ring and docking ring are installed at the both ends of tear strip, fastening ring side top surface and docking ring side bottom surface between the lock joint, install the disconnect plate between the tear strip, clamping device is including limit ring, clamping lever, locating piece, extrusion piece and pressurized ring all around, equal fixedly connected with clamping lever of limit ring, a plurality of equal sliding connection of inner wall of clamping lever has the cable core, a plurality of equal sliding connection of inner wall both sides of clamping lever have the locating piece, a plurality of the side of locating piece all is the inclined plane, and the side of extrusion piece contacts with the inclined plane of locating piece, a plurality of extrusion piece all fixedly connected with the side of pressurized ring.
As a further aspect of the invention: the inner wall of the limiting ring is provided with a through hole, the through hole penetrates through the inner wall of the limiting ring, the side face of the compression ring is an inclined face, the inner wall of the through hole is slidably connected with an adjusting rod, the bottom end of the adjusting rod is in contact with the side face of the compression ring, the inner wall of the limiting ring is provided with a sliding groove, the sliding groove does not penetrate through the inner wall of the limiting ring, the side face of the compression ring is fixedly connected with a sliding block, the other end of the sliding block extends to the inner wall of the sliding groove, the inner wall of the sliding groove is fixedly connected with a reset spring, and the other end of the reset spring is fixedly connected with the side face of the sliding block.
As a further aspect of the invention: the tear strips are arc-shaped, the inner walls of the tear strips are tightly wrapped on the power cable body, the outer walls of one side among the plurality of the tear strips are respectively adhered with a second tear strip, the two ends of the outer side of the tearing strips are fixedly provided with grooves, the middle parts of the inner walls of the second tearing strips are fixedly connected with protruding blocks, and the protruding blocks are inserted into the inner walls of the grooves.
As a further aspect of the invention: the socket is all offered to the top both sides of fastening ring, the equal fixedly connected with grafting strip in both ends bottom of docking ring, the fixed orifices has all been offered to the both sides of fastening ring, and the fixed orifices runs through in the inner wall of grafting strip.
As a further aspect of the invention: the side of the breaking plate is fixedly connected to one side of the tear strip, a positioning rod is arranged on the other side of the breaking plate, and the outer side of the positioning rod is inserted into the inner wall of one side of the tear strip.
As a further aspect of the invention: the flame-retardant assembly comprises a heat insulation layer, a flame-retardant layer and bimetallic strips, wherein the outer side of the heat insulation layer is tightly attached to the inner wall of the tear strip, the inner wall of the heat insulation layer is tightly attached to the flame-retardant layer, the inner wall of the flame-retardant layer is fixedly connected with a plurality of bimetallic strips, the metal thermal expansion density of the bimetallic strips close to one side of a cable core is greater than that of the other side, inert gas is arranged on the inner wall of the flame-retardant layer, a connecting hole is formed in the side face of the flame-retardant layer, and the connecting hole extends to one side of the bimetallic strips.
As a further aspect of the invention: the protection assembly comprises a sealing ring, a positioning rod and a connecting rod, wherein the outer sides of the sealing rings are fixedly connected to the inner wall of the flame-retardant layer, the positioning rods are fixedly connected to the periphery of the two sides of the sealing rings, the positioning holes are formed in the two ends of the connecting rod, and the positioning rods are inserted into the inner wall of the positioning holes.
As a further aspect of the invention: the outer sides of the cable cores are tightly buckled in the fillable layer, the outer sides of the fillable layer are wrapped with protective layers, and the outer sides of the protective layers are tightly extruded on the inner wall of the sealing ring.
The technical scheme is adopted: compared with the prior art, the invention has the beneficial effects that;
1. when the power cable body damages, tailor through with the power cable body for the workman is convenient for peg graft the one end of screwdriver in the inner wall of through-hole, be convenient for act as the regulation pole with the screwdriver, utilize the inclined plane of regulation pole one end to promote the pressurized ring and remove, be convenient for compress the girdle and move the extrusion piece, be convenient for the extrusion piece promote the locating piece and slide at the inner wall of clamping lever, the clamping lever of being convenient for carries out the centre gripping restriction to the outside of cable core, then the workman drives the restriction ring through rotating the regulation pole and rotates, be convenient for stir together with many cable cores, then the workman is connected between many cable cores, the effect of being convenient for the workman to repair fast after the power cable body damages has been reached.
2. When the damage degree of the power cable body is not large, the butt joint ring is taken down from the fastening ring, then a worker pulls the disconnecting plate, one side, provided with the locating rod, of the disconnecting plate is taken out from the second tear-off strip and taken down from the tear-off strip, the second tear-off strip is matched with each other between the grooves through the protruding blocks, the second tear-off strip is tightly attached to the tear-off strip, then the inner wall of the fixing hole is utilized to be inserted with the corresponding bolt, the plugging strip is conveniently fixed on the inner wall of the plugging port, the fastening ring and the butt joint ring are tightly fixed at two ends of the second tear-off strip, two ends of the second tear-off strip are sealed, the effect of quickly replacing and protecting layers of the power cable body is achieved under the condition of being damaged by high temperature, and the service life of the power cable body is prolonged.
3. When the power cable body surrounding temperature is higher, when the metal expansion density that utilizes bimetallic strip to be close to cable one side is great for bimetallic strip both sides are to keeping away from the one side of cable core and are extruded, and the bimetallic strip of being convenient for extrudees the inside inert gas of fire-retardant layer, utilizes the connecting hole to be convenient for extrude inert gas into between fire-retardant layer and the inoxidizing coating, utilizes the sealing ring to restrict inert gas, and the better beneficial effect of putting out a fire to open fire when preventing clearly burning to the inside of power cable body of being convenient for.
Drawings
Fig. 1 is a schematic perspective view of a power cable body according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a connection relationship of a clamping device according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of a clamping device according to an embodiment of the invention;
FIG. 4 is a schematic cross-sectional view of a clamping device according to an embodiment of the invention;
FIG. 5 is a schematic diagram of a connection relationship between compression rings according to an embodiment of the present invention;
FIG. 6 is an exploded view of the connection of replaceable components in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram of a connection relationship between protection components according to an embodiment of the present invention.
In the figure: 1. a power cable body; 2. a replaceable component; 21. a fastening ring; 210. an interface; 211. a plug strip; 212. a fixing hole; 22. a tear strip; 23. a docking collar; 24. a disconnect plate; 241. positioning a stick; 25. a second tear strip; 26. a groove; 27. a bump; 3. a flame retardant assembly; 31. a thermal insulation layer; 32. a flame retardant layer; 33. bimetallic strips; 4. a protective assembly; 41. a seal ring; 42. a positioning rod; 43. a connecting rod; 5. a cable core; 51. a fillable layer; 52. a protective layer; 6. a clamping device; 61. a confinement ring; 611. a through hole; 612. a chute; 613. a slide block; 614. a return spring; 62. a clamping rod; 63. a positioning block; 64. extruding a block; 65. and the compression ring.
Detailed Description
The following describes the embodiments of the present invention further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present invention, but is not intended to limit the present invention. In addition, the technical features of the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
Referring to fig. 1 to 7, the present invention provides a technical solution: including power cable body 1, power cable body 1 includes removable subassembly 2, fire-retardant subassembly 3, protection subassembly 4, cable core 5 and clamping device 6, removable subassembly 2, fire-retardant subassembly 3 and protection subassembly 4 are from outside to interior parcel in proper order in cable core 5 outer lane, install clamping device 6 between many cable cores 5, removable subassembly 2 includes fastening ring 21, tear strip 22 and docking ring 23, fastening ring 21 and docking ring 23 install the both ends at tear strip 22, fastening ring 21 side top surface and docking ring 23 side bottom surface between the lock joint, install disconnect plate 24 between the tear strip 22, clamping device 6 is including limiting ring 61, clamping lever 62, locating piece 63, extrusion piece 64 and compressed ring 65, all fixedly connected with clamping lever 62 all around of limiting ring 61, the inner wall of a plurality of clamping levers 62 all sliding connection has cable core 5, the inner wall both sides of a plurality of clamping levers 62 all sliding connection has 63, the side of a plurality of locating pieces 63 all is the inclined plane, and the side of extrusion piece 64 contacts with the inclined plane of locating piece 63, the side of extrusion piece 64 all is connected with the compressed ring 65.
Referring to fig. 1-5, a through hole 611 is formed in the inner wall of the limiting ring 61, the through hole 611 penetrates through the inner wall of the limiting ring 61, the side surface of the pressed ring 65 is an inclined surface, an adjusting rod is slidably connected to the inner wall of the through hole 611, the bottom end of the adjusting rod contacts with the side surface of the pressed ring 65, a sliding groove 612 is formed in the inner wall of the limiting ring 61, the sliding groove 612 does not penetrate through the inner wall of the limiting ring 61, a sliding block 613 is fixedly connected to the side surface of the pressed ring 65, the other end of the sliding block 613 extends to the inner wall of the sliding groove 612, a reset spring 614 is fixedly connected to the inner wall of the sliding groove 612, and the other end of the reset spring 614 is fixedly connected to the side surface of the sliding block 613;
in this embodiment, the slider 613 is conveniently limited by the return spring 614, so that when the pressure receiving ring 65 is moved and the adjusting rod is taken out from the inner wall of the through hole 611, the pressure receiving ring 65 is limited by the return spring 614, and the pressure receiving ring 65 is prevented from driving the extrusion block 64 to fix the cable core 5, so that the cable core 5 inside the power cable body 1 is clamped and cannot move when not disassembled.
When the power cable body 1 damages in the use, cut out through cutting out the power cable body 1 for the workman is convenient for peg graft the one end of screwdriver in the inner wall of through-hole 611, be convenient for act as the regulation pole with the screwdriver, utilize the inclined plane of regulation pole one end to promote and receive clamping ring 65 and remove, be convenient for receive clamping ring 65 to drive extrusion piece 64 and remove, be convenient for extrusion piece 64 promotes locating piece 63 and slides at the inner wall of clamping lever 62, be convenient for clamping lever 62 carries out the centre gripping restriction to the outside of cable core 5, then the workman drives restriction ring 61 through rotating the regulation pole, then the workman is connected between the cable core with many, the effect of being convenient for the workman to carry out quick repair after the power cable body 1 damages has been reached.
Referring to fig. 1-6, the tear strip 22 is in an arc shape, the inner walls of the tear strip 22 are tightly wrapped on the power cable body 1, the second tear strip 25 is attached to the outer wall of one side between the tear strips 22, the grooves 26 are fixedly installed at two ends of the outer side of the tear strip 22, the protruding blocks 27 are fixedly connected to the middle parts of the inner walls of the second tear strips 25, the protruding blocks 27 are inserted into the inner walls of the grooves 26, the inserting ports 210 are formed in the two sides of the top of the fastening ring 21, the inserting strips 211 are fixedly connected to the bottoms of the two ends of the abutting ring 23, the fixing holes 212 are formed in the two sides of the fastening ring 21, the fixing holes 212 penetrate through the inner walls of the inserting strips 211, the side surface of the breaking plate 24 is fixedly connected to one side of the tear strip 22, the positioning sticks 241 are arranged on the other side of the breaking plate 24, and the outer sides of the positioning sticks 241 are inserted into the inner walls of one side of the tear strip 22;
in this embodiment, the breaking plate 24 is used to facilitate the tear strip 22 to be tightly attached to the outer side of the flame retardant component 3, and the second tear strip 25 is used to seal the gaps between the connecting positions of the tear strips 22, so that the power cable body 1 is better sealed.
When the power cable body 1 is not damaged, when the damage degree is not large, through taking down docking ring 23 from fastening ring 21, then the workman withholds breaking plate 24, be convenient for take out and tear strip 22 take off tearing plate 24 one side that is equipped with location rod 241 from second tear strip 25, cooperate each other between recess 26 through lug 27, be convenient for second tear strip 25 closely laminate on tear strip 22, then utilize the inner wall of fixed orifices 212 to peg graft and have corresponding bolt, be convenient for peg graft strip 211 and be fixed in the inner wall of interface 210, make fastening ring 21 and docking ring 23 closely be fixed in the both ends department of second tear strip 25, seal the both ends of second tear strip 25, the outside power cable body 1 is under the circumstances that receives high temperature damage, carry out quick replacement protective layer effect to power cable body 1.
Referring to fig. 1-7, the flame retardant assembly 3 includes a heat insulating layer 31, a flame retardant layer 32 and a bimetal 33, the outer side of the heat insulating layer 31 is tightly attached to the inner wall of the tear tape 22, the inner wall of the heat insulating layer 31 is tightly attached to the flame retardant layer 32, the inner wall of the flame retardant layer 32 is fixedly connected with a plurality of bimetal 33, the metal thermal expansion density of one side of the bimetal 33 close to the cable core 5 is greater than that of the other side, inert gas is provided in the inner wall of the flame retardant layer 32, a connecting hole is provided on the side surface of the flame retardant layer 32, the connecting hole extends to one side of the bimetal 33, the protective assembly 4 includes a sealing ring 41, a positioning rod 42 and a connecting rod 43, the outer sides of the plurality of sealing rings 41 are fixedly connected to the inner wall of the flame retardant layer 32, the positioning rods 42 are fixedly connected to the two sides of the plurality of sealing rings 41, the two ends of the connecting rod 43 are provided with positioning holes, the positioning rod 42 is inserted into the inner wall of the positioning holes, the outer sides of the plurality of the cable cores 5 are tightly fastened to the inner side of the fillable layer 51, the outer side of the fillable layer 51 is wrapped with a protective layer 52, and the outer side of the fillable layer 51 is tightly pressed against the inner wall of the sealing ring 41;
in this embodiment, the positioning rod 42 is limited by the sealing ring 41, so that the positioning rod 42 is conveniently inserted into the inner wall of the connecting rod 43, and when the power cable body 1 is conveniently impacted, the effect of protecting the power cable body 1 by the connecting rod 43 is utilized.
When the power cable body 1 is used, when the surrounding temperature is higher, when the metal expansion density of the bimetallic strip 33 close to one side of the cable is higher, the bimetallic strip 33 is enabled to extrude to the side far away from the cable core 5, the bimetallic strip 33 is convenient for extruding inert gas in the flame-retardant layer 32, the connecting hole is used for conveniently extruding the inert gas between the flame-retardant layer 32 and the protective layer 52, the sealing ring 41 is used for limiting the inert gas, and the beneficial effect of extinguishing open fire is convenient for better preventing the open fire from burning to the inside of the power cable body 1.
Working principle: firstly, when the damage degree of the power cable body 1 is not large, a worker removes the butt joint ring 23 from the fastening ring 21, then the worker pulls the breaking plate 24, so that one side of the breaking plate 24 provided with the positioning rod 241 is taken out from the second tear strip 25 and the tear strip 22 is removed as well, the second tear strip 25 is tightly attached to the tear strip 22 through the mutual matching between the convex blocks 27 and the grooves 26, the condition that the power cable body 1 is damaged at high temperature is achieved, the power cable body 1 is quickly replaced and replaced with a protective layer, then, when the power cable body 1 is damaged, the worker cuts the power cable body 1, so that one end of the screwdriver is conveniently inserted into the inner wall of the through hole 611, the screwdriver is conveniently used as an adjusting rod, the inclined surface at one end of the adjusting rod is used for pushing the compression ring 65 to move, the compression ring 64 is conveniently driven by the compression ring 65 to move, the extrusion block 64 is convenient to push the positioning block 63 to slide on the inner wall of the clamping rod 62, the clamping rod 62 is convenient to clamp and limit the outer side of the cable core 5, then a worker drives the limiting ring 61 to rotate by rotating the adjusting rod, a plurality of cable cores 5 are convenient to stir together, then the worker connects the cable cores together, the power cable body 1 is convenient for the worker to repair after being damaged, finally, when the surrounding temperature of the power cable body 1 is higher, when the expansion density of metal close to one side of the cable by the bimetallic strip 33 is higher, the bimetallic strip 33 is made to extrude to one side far away from the cable core 5, the bimetallic strip 33 is convenient to extrude inert gas in the flame-retardant layer 32, the connecting hole is convenient to extrude the inert gas between the flame-retardant layer 32 and the protective layer 52, the inert gas is limited by the sealing ring 41, the internal part of the power cable body 1 is more convenient to prevent the open fire.
The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, and yet fall within the scope of the invention.
Claims (7)
1. The utility model provides a fire-resistant aluminum alloy power cable, includes power cable body (1), its characterized in that: the utility model discloses a power cable body (1) including removable subassembly (2), fire-retardant subassembly (3), protection subassembly (4), cable core (5) and clamping device (6), removable subassembly (2), fire-retardant subassembly (3) and protection subassembly (4) are from outside to interior parcel in proper order in cable core (5) outer lane, many install clamping device (6) between cable core (5), removable subassembly (2) including fastening ring (21), tear strip (22) and docking ring (23), fastening ring (21) and docking ring (23) install the both ends at tear strip (22), fastening ring (21) side top surface and docking ring (23) side bottom surface between the lock joint, install disconnect plate (24) between tear strip (22), clamping device (6) are including limit ring (61), clamping rod (62), extrusion piece (64) and pressurized ring (65), all around of limit ring (61) are fixed connection has clamping rod (62), a plurality of inner walls (63) are all slide in the side of connecting rod (63) all around, a plurality of inner walls (63) are all slide in the clamping rod (63), the side surfaces of the extrusion blocks (64) are contacted with the inclined surfaces of the positioning blocks (63), and the plurality of extrusion blocks (64) are fixedly connected with the side surfaces of the compression rings (65);
the inner wall of restriction ring (61) has seted up through-hole (611), through-hole (611) runs through in the inner wall of restriction ring (61), the side of pressurized ring (65) is the inclined plane, but the inner wall sliding connection of through-hole (611) has the regulation pole, the bottom of regulation pole contacts with the side of pressurized ring (65), spout (612) have been seted up to the inner wall of restriction ring (61), and spout (612) do not run through in the inner wall of restriction ring (61), the side fixedly connected with slider (613) of pressurized ring (65), and the other end of slider (613) extends to the inner wall of spout (612), the inner wall fixedly connected with reset spring (614) of spout (612), the other end fixedly connected with in the side of slider (613) of reset spring (614).
2. A fire resistant aluminum alloy power cable as claimed in claim 1, wherein: the utility model discloses a power cable, including tearing strip (22), power cable body (1), tearing strip (22), a plurality of tearing strip (22) are closely wrapped up in the inner wall of tearing strip (22), and a plurality of one side outer wall between tearing strip (22) all laminates has second tearing strip (25), and a plurality of the equal fixed mounting in outside both ends of tearing strip (22) has recess (26), a plurality of equal fixedly connected with lug (27) in the middle part of the inner wall of second tearing strip (25), and lug (27) are pegged graft in the inner wall of recess (26).
3. A fire resistant aluminum alloy power cable as claimed in claim 1, wherein: the plug-in connector (210) is respectively arranged on two sides of the top of the fastening ring (21), plug-in strips (211) are fixedly connected to the bottoms of two ends of the butt joint ring (23), fixing holes (212) are respectively arranged on two sides of the fastening ring (21), and the fixing holes (212) penetrate through the inner walls of the plug-in strips (211).
4. A fire resistant aluminum alloy power cable as claimed in claim 1, wherein: the side of breaking plate (24) is fixedly connected to one side of tear strip (22), the opposite side of breaking plate (24) is equipped with location rod (241), the outside of location rod (241) is pegged graft in one side inner wall of tear strip (22).
5. A fire resistant aluminum alloy power cable as claimed in claim 1, wherein: the flame-retardant assembly (3) comprises a heat insulation layer (31), a flame-retardant layer (32) and a bimetallic strip (33), wherein the outer side of the heat insulation layer (31) is tightly attached to the inner wall of the tear strip (22), the inner wall of the heat insulation layer (31) is tightly attached to the flame-retardant layer (32), the inner wall of the flame-retardant layer (32) is fixedly connected with a plurality of bimetallic strips (33), the metal thermal expansion density of the bimetallic strip (33) close to one side of the cable core (5) is greater than that of the other side, inert gas is arranged on the inner wall of the flame-retardant layer (32), a connecting hole is formed in the side face of the flame-retardant layer (32), and the connecting hole extends to one side of the bimetallic strip (33).
6. A fire resistant aluminum alloy power cable as claimed in claim 5 wherein: the protection component (4) comprises a sealing ring (41), a positioning rod (42) and a connecting rod (43), wherein the outer sides of the sealing rings (41) are fixedly connected to the inner wall of the flame-retardant layer (32), the two sides of the sealing rings (41) are fixedly connected with the positioning rod (42) all around, the two ends of the connecting rod (43) are provided with positioning holes, and the positioning rods (42) are inserted into the inner wall of the positioning holes.
7. The fire resistant aluminum alloy power cable of claim 6, wherein: the outer sides of the cable cores (5) are tightly buckled inside the fillable layer (51), the outer sides of the fillable layer (51) are wrapped with the protective layers (52), and the outer sides of the protective layers (52) are tightly extruded on the inner wall of the sealing ring (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310979706.6A CN116705395B (en) | 2023-08-07 | 2023-08-07 | Fire-resistant aluminum alloy power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310979706.6A CN116705395B (en) | 2023-08-07 | 2023-08-07 | Fire-resistant aluminum alloy power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116705395A CN116705395A (en) | 2023-09-05 |
| CN116705395B true CN116705395B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310979706.6A Active CN116705395B (en) | 2023-08-07 | 2023-08-07 | Fire-resistant aluminum alloy power cable |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212276842U (en) * | 2020-07-04 | 2021-01-01 | 江苏中京电缆科技有限公司 | Crosslinked polyethylene insulated power cable |
| CN115798807A (en) * | 2023-02-03 | 2023-03-14 | 兴华线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant power cable |
| CN116313268A (en) * | 2023-05-17 | 2023-06-23 | 津东电缆有限公司 | Environment-friendly flame-retardant power cable |
| CN116453745A (en) * | 2023-05-23 | 2023-07-18 | 河北英泰电气线缆有限公司 | Wisdom energy's power cable |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212276842U (en) * | 2020-07-04 | 2021-01-01 | 江苏中京电缆科技有限公司 | Crosslinked polyethylene insulated power cable |
| CN115798807A (en) * | 2023-02-03 | 2023-03-14 | 兴华线缆有限公司 | Low-smoke halogen-free flame-retardant fire-resistant power cable |
| CN116313268A (en) * | 2023-05-17 | 2023-06-23 | 津东电缆有限公司 | Environment-friendly flame-retardant power cable |
| CN116453745A (en) * | 2023-05-23 | 2023-07-18 | 河北英泰电气线缆有限公司 | Wisdom energy's power cable |
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| Publication number | Publication date |
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| CN116705395A (en) | 2023-09-05 |
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