CN114743725B - High-strength fire-resistant cable - Google Patents
High-strength fire-resistant cable Download PDFInfo
- Publication number
- CN114743725B CN114743725B CN202210394006.6A CN202210394006A CN114743725B CN 114743725 B CN114743725 B CN 114743725B CN 202210394006 A CN202210394006 A CN 202210394006A CN 114743725 B CN114743725 B CN 114743725B
- Authority
- CN
- China
- Prior art keywords
- packing element
- filling piece
- cavity
- resistant cable
- support bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical group O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 10
- 229910052684 Cerium Inorganic materials 0.000 claims description 9
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052746 lanthanum Inorganic materials 0.000 claims description 9
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000919 ceramic Substances 0.000 claims description 5
- 229920006235 chlorinated polyethylene elastomer Polymers 0.000 claims description 5
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 239000011777 magnesium Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims 8
- 238000005253 cladding Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 abstract description 6
- 239000000945 filler Substances 0.000 description 14
- 239000010410 layer Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 229910052761 rare earth metal Inorganic materials 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 150000002910 rare earth metals Chemical class 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000000779 smoke Substances 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/04—Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- 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
- H01B7/0009—Details relating to the conductive cores
-
- 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
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/38—Insulated conductors or cables characterised by their form with arrangements for facilitating removal of insulation
-
- 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
Landscapes
- Insulated Conductors (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Abstract
The invention discloses the field of cables, and particularly relates to a high-strength fire-resistant cable. This high strength fire-resistant cable, including filling piece, sinle silk group and outer external member, the filling piece includes a solid support bar of transversely setting, the periphery circumference of solid support bar is formed with continuous concave surface, the concave surface corresponds sinle silk group, the outside cover of sinle silk group is equipped with outer external member, this outer external member is provided with the flange that is used for fixing a position the filling piece to one side of filling piece, the flange surrounds and constitutes restriction filling piece pivoted cavity, filling piece leaves the clearance with the cavity bottom, be provided with the blade that is used for cutting off outer external member in the clearance, it has thermal expansion material to fill between blade and the filling piece. The invention has low production cost, excellent fire resistance and bending resistance.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a high-strength fire-resistant cable.
Background
Currently, a cable for medium-high frequency communication generally includes: the copper-clad aluminum or copper pipe used as the core wire, polyethylene foaming material tightly adhered with the core wire, pure copper strip coated on the polyethylene foaming material and used as a metal coating layer, and a sheath coated outside the pure copper strip and made of low smoke zero halogen or polyethylene.
As is well known, the metal coating layer adopts pure copper strips, and the pure copper has better conductivity, but the tensile strength of the pure copper is poorer, so that the pure copper is easy to deform in the actual use process, thereby influencing the signal transmission performance of the whole cable; in addition, such pure copper cables tend to have poor fire resistance in practice and are expensive to manufacture, which the inventors have devised.
Disclosure of Invention
The invention aims to provide a high-strength fire-resistant cable which is low in production cost, excellent in fire resistance and bending-resistant.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a high strength fire-resistant cable, including filling piece, sinle silk group and outer external member, the filling piece includes a solid support bar of transversely setting, the periphery circumference of solid support bar is formed with continuous concave surface, the concave surface corresponds sinle silk group, the outside cover of sinle silk group is equipped with outer external member, this outer external member is provided with the flange that is used for fixing a position the filling piece to one side of filling piece, the flange surrounds and constitutes restriction filling piece pivoted cavity, filling piece leaves the clearance with the cavity bottom, be provided with the blade that is used for cutting off outer external member in the clearance, it has thermal expansion material to fill between blade and the filling piece. By adopting the technical scheme, the baffle is arranged between the outer sleeve and the filling piece, so that the filling piece and the outer sleeve can be effectively prevented from moving; by arranging the support bars, the wire core groups are supported and isolated, so that electromagnetic interference among wire cores can be effectively reduced, and the structural stability of the cable is improved; through setting up blade and thermal expansion material, when outer external member is heated, thermal expansion material is heated ejecting blade, and then cuts the unusual jacket layer of temperature, has reduced the cost of cable change.
The invention relates to a further improvement of a high-strength fire-resistant cable, which is characterized in that a cable core group comprises a plurality of conductors, and the outer sides of the conductors are coated with shielding layers.
The invention relates to a further improvement of a high-strength fire-resistant cable, which is characterized in that the conductor comprises the following components: 4.9-5.0% of magnesium, 5.7-5.9% of copper, 2.9-3.0% of zinc, 0.07-0.09% of lanthanum, 0.08-0.1% of cerium and the balance of aluminum. The rare earth elements lanthanum and cerium are added into the metal conductor of the cable, so that the resistivity of the conductor is effectively reduced, the conductivity of the metal conductor of the cable can be improved, meanwhile, the pure copper wire core is abandoned, and the production cost is reduced.
The invention relates to a further improvement of a high-strength fire-resistant cable, which is characterized in that the number of flanges is two, and the flanges are respectively attached to the side walls of a filling piece.
The invention relates to a further improvement of a high-strength fire-resistant cable, which is characterized in that the thermal expansion material is a chlorinated polyethylene rubber formed by press-molding.
The invention relates to a further improvement of a high-strength fire-resistant cable, which is characterized in that a cavity is formed in the central axis direction of a solid support bar, and a torsion-resistant column spring is arranged in the cavity. Further prevent that cable main part from bending, damage sinle silk.
The invention relates to a further improvement of a high-strength fire-resistant cable, which is characterized in that a solid support bar is a zirconia ceramic support bar.
Compared with the prior art, the invention has the beneficial effects that: by adopting the technical scheme, the baffle is arranged between the outer sleeve and the filling piece, so that the filling piece and the outer sleeve can be effectively prevented from moving; by arranging the support bars, the wire core groups are supported and isolated, so that electromagnetic interference among wire cores can be effectively reduced, and the structural stability of the cable is improved; through setting up blade and thermal expansion material, when outer external member is heated, thermal expansion material is heated ejecting blade, and then cuts the unusual jacket layer of temperature, has reduced the cost of cable change.
Drawings
FIG. 1 is a schematic illustration of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
The cable comprises a supporting bar 1, a concave surface 11, a cable core group 2, a conductor 21, a shielding layer 22, an outer layer sleeve 3, a flange 4, a cavity 5, a blade 6 and a column spring 7.
Detailed Description
The present application is further illustrated below in conjunction with the specific embodiments, it being understood that these embodiments are meant to be illustrative of the application only and not limiting the scope of the application, and that modifications of the application, which are equivalent to those skilled in the art to which the application pertains, will fall within the scope of the application as defined in the appended claims.
As shown in fig. 1-2, a high strength fire-resistant cable;
Embodiment 1, a high strength fire-resistant cable, this cable includes filling member, sinle silk group 2 and outer external member 3, the filling member includes a solid support bar 1 that transversely sets up, solid support bar 1's periphery circumference is formed with continuous concave surface 11, concave surface 11 corresponds sinle silk group 2, the outside cover of sinle silk group 2 is equipped with outer external member 3, this outer external member 3 is provided with the flange 4 that is used for locating the filling member to one side of filling member, flange 4 surrounds and constitutes restriction filling member pivoted cavity 5, filling member leaves the clearance with cavity 5 bottom, be provided with the blade 6 that is used for cutting off outer external member 3 in the clearance, it has thermal expansion material to fill between blade 6 and the filling member. By adopting the technical scheme, the baffle is arranged between the outer sleeve member 3 and the filling member, so that the filling member and the outer sleeve layer can be effectively prevented from moving; by arranging the support bars 1, the wire core group 2 is supported and isolated, so that electromagnetic interference among wire cores can be effectively reduced, and the structural stability of the cable is improved; through setting up blade 6 and thermal expansion material, when outer external member 3 is heated, thermal expansion material is heated ejecting blade, and then cuts the outer layer that the temperature is unusual, has reduced the cost of cable change.
Specifically, the core group 2 includes a plurality of conductors 21, and the outer sides of the conductors 21 are covered with a shielding layer 22.
Specifically, the composition of the conductor 21 includes: 4.9% of magnesium, 5.7% of copper, 2.9% of zinc, 0.07% of lanthanum, 0.08% of cerium and the balance of aluminum. At this time, the resistivity of the resistor at normal temperature is 2.7, and a small amount of rare earth metal elements lanthanum and cerium are added into the metal conductor 21 of the cable, so that the resistivity of the conductor 21 is effectively reduced, the conductivity of the metal conductor 21 of the cable can be improved, meanwhile, the pure copper wire core is abandoned, and the production cost is reduced.
Specifically, the number of the flanges 4 is two, and the flanges are respectively attached to the side walls of the filling member.
Specifically, the thermal expansion material is a chlorinated polyethylene rubber formed by press-molding.
Specifically, a cavity 5 is formed in the central axis direction of the solid support bar 1, and a torsion column spring 7 is arranged in the cavity 5. Further prevent that cable main part from bending, damage sinle silk.
Specifically, the solid support bar 1 is a zirconia ceramic support bar 1.
Embodiment 2, a high strength fire-resistant cable, including the filler, sinle silk group 2 and outer external member 3, the filler includes a solid support bar 1 that transversely sets up, solid support bar 1's periphery circumference is formed with continuous concave surface 11, concave surface 11 corresponds sinle silk group 2, the outside cover of sinle silk group 2 is equipped with outer external member 3, this outer external member 3 is provided with the flange 4 that is used for the location filler to one side of filler, flange 4 surrounds and constitutes restriction filler pivoted cavity 5, the filler leaves the clearance with cavity 5 bottom, be provided with in the clearance and be used for cutting off the blade 6 of outer external member 3, it has thermal expansion material to fill between blade 6 and the filler. By adopting the technical scheme, the baffle is arranged between the outer sleeve member 3 and the filling member, so that the filling member and the outer sleeve layer can be effectively prevented from moving; by arranging the support bars 1, the wire core group 2 is supported and isolated, so that electromagnetic interference among wire cores can be effectively reduced, and the structural stability of the cable is improved; through setting up blade 6 and thermal expansion material, when outer external member 3 is heated, thermal expansion material is heated ejecting blade, and then cuts the outer layer that the temperature is unusual, has reduced the cost of cable change.
Specifically, the core group 2 includes a plurality of conductors 21, and the outer sides of the conductors 21 are covered with a shielding layer 22.
Specifically, the composition of the conductor 21 includes: 5.0% of magnesium, 5.9% of copper, 3.0% of zinc, 0.07% of lanthanum, 0.08% of cerium and the balance of aluminum. At this time, the resistivity of the resistor at normal temperature is 2.8, and a small amount of rare earth metal elements lanthanum and cerium are added into the metal conductor 21 of the cable, so that the resistivity of the conductor 21 is effectively reduced, the conductivity of the metal conductor 21 of the cable can be improved, meanwhile, the pure copper wire core is abandoned, and the production cost is reduced.
Specifically, the number of the flanges 4 is two, and the flanges are respectively attached to the side walls of the filling member.
Specifically, the thermal expansion material is a chlorinated polyethylene rubber formed by press-molding.
Specifically, a cavity 5 is formed in the central axis direction of the solid support bar 1, and a torsion column spring 7 is arranged in the cavity 5. Further prevent that cable main part from bending, damage sinle silk.
Specifically, the solid support bar 1 is a zirconia ceramic support bar 1.
Embodiment 3, a high strength fire-resistant cable, including the filler, sinle silk group 2 and outer external member 3, the filler includes a solid support bar 1 that transversely sets up, solid support bar 1's periphery circumference is formed with continuous concave surface 11, concave surface 11 corresponds sinle silk group 2, the outside cover of sinle silk group 2 is equipped with outer external member 3, this outer external member 3 is provided with the flange 4 that is used for the location filler to one side of filler, flange 4 surrounds and constitutes restriction filler pivoted cavity 5, the filler leaves the clearance with cavity 5 bottom, be provided with in the clearance and be used for cutting off the blade 6 of outer external member 3, it has thermal expansion material to fill between blade 6 and the filler. By adopting the technical scheme, the baffle is arranged between the outer sleeve member 3 and the filling member, so that the filling member and the outer sleeve layer can be effectively prevented from moving; by arranging the support bars 1, the wire core group 2 is supported and isolated, so that electromagnetic interference among wire cores can be effectively reduced, and the structural stability of the cable is improved; through setting up blade 6 and thermal expansion material, when outer external member 3 is heated, thermal expansion material is heated ejecting blade, and then cuts the outer layer that the temperature is unusual, has reduced the cost of cable change.
Specifically, the core group 2 includes a plurality of conductors 21, and the outer sides of the conductors 21 are covered with a shielding layer 22.
Specifically, the composition of the conductor 21 includes: 5.0% of magnesium, 5.9% of copper, 3.0% of zinc, 0.09% of lanthanum, 0.1% of cerium and the balance of aluminum. At this time, the resistivity of the resistor at normal temperature is 2.6, so that the resistor is optimal, a small amount of rare earth metal elements lanthanum and cerium are added into the metal conductor 21 of the cable, the resistivity of the conductor 21 is effectively reduced, the conductivity of the metal conductor 21 of the cable can be improved, meanwhile, the pure copper wire core is abandoned, and the production cost is reduced.
Specifically, the number of the flanges 4 is two, and the flanges are respectively attached to the side walls of the filling member.
Specifically, the thermal expansion material is a chlorinated polyethylene rubber formed by press-molding.
Specifically, a cavity 5 is formed in the central axis direction of the solid support bar 1, and a torsion column spring 7 is arranged in the cavity 5. Further prevent that cable main part from bending, damage sinle silk.
Specifically, the solid support bar 1 is a zirconia ceramic support bar 1.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereto, and any modification made on the basis of the technical scheme according to the technical idea of the present invention falls within the protection scope of the present invention.
Claims (4)
1. The utility model provides a high strength fire-resistant cable which characterized in that: including filling piece, sinle silk group and outer external member, sinle silk group includes a plurality of conductors, the outside cladding shielding layer of conductor, the component of conductor includes: the packing element comprises 4.9-5.0% of magnesium, 5.7-5.9% of copper, 2.9-3.0% of zinc, 0.07-0.09% of lanthanum and 0.08-0.1% of cerium, wherein the balance is aluminum, the packing element comprises a solid supporting bar which is transversely arranged, a continuous concave surface is circumferentially formed on the periphery of the solid supporting bar, the concave surface corresponds to the wire core group, an outer sleeve member is sleeved on the outer side of the wire core group, a flange for positioning the packing element is arranged on one side of the outer sleeve member opposite to the packing element, the number of flanges is two, the flanges are respectively attached to the side wall of the packing element, a cavity for limiting the rotation of the packing element is formed by surrounding the flanges, a gap is reserved between the packing element and the bottom of the cavity, a blade for cutting off the outer sleeve member is arranged in the gap, and a thermal expansion material is filled between the blade and the packing element.
2. A high strength fire-resistant cable as claimed in claim 1, wherein: the thermal expansion material is a chlorinated polyethylene rubber formed by press-molding.
3. A high strength fire-resistant cable as claimed in claim 1, wherein: a cavity is formed in the central axis direction of the solid support bar, and a torsion column spring is arranged in the cavity.
4. A high strength fire-resistant cable as claimed in claim 1, wherein: the solid support bar is a zirconia ceramic support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210394006.6A CN114743725B (en) | 2022-04-15 | 2022-04-15 | High-strength fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210394006.6A CN114743725B (en) | 2022-04-15 | 2022-04-15 | High-strength fire-resistant cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114743725A CN114743725A (en) | 2022-07-12 |
| CN114743725B true CN114743725B (en) | 2024-06-07 |
Family
ID=82281438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210394006.6A Active CN114743725B (en) | 2022-04-15 | 2022-04-15 | High-strength fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114743725B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO862896D0 (en) * | 1985-07-19 | 1986-07-18 | Raychem Corp | STRAIGHT SHEET. |
| CN107017051A (en) * | 2017-04-17 | 2017-08-04 | 广州市壹缆电缆实业有限公司 | A kind of flame retardant cable |
| CN108986980A (en) * | 2018-07-25 | 2018-12-11 | 陈辉 | A kind of waterproof anti-twisting cable used for wind power generation |
| CN109036687A (en) * | 2018-08-30 | 2018-12-18 | 安徽蒙特尔电缆集团有限公司 | A kind of robot fireproof cable |
| CN208489031U (en) * | 2018-07-25 | 2019-02-12 | 安徽华通电缆集团有限公司 | A kind of Novel fireproof cable |
| CN110335717A (en) * | 2019-08-05 | 2019-10-15 | 江苏耘和线缆有限公司 | A kind of flame-retardant cable and processing method |
| CN112002456A (en) * | 2020-04-07 | 2020-11-27 | 德信线缆集团有限公司 | Cable with improved structure |
| CN212032735U (en) * | 2020-06-18 | 2020-11-27 | 浦大电缆集团有限公司 | Fireproof cable convenient to cut off |
| CN112103005A (en) * | 2020-09-18 | 2020-12-18 | 稷米(广州)科技有限公司 | Communication cable |
| CN112331398A (en) * | 2020-11-02 | 2021-02-05 | 国网安徽省电力有限公司 | Fireproof and heat-resistant power transmission line structure |
| CN113488250A (en) * | 2021-06-15 | 2021-10-08 | 安徽凌宇电缆科技有限公司 | Anti-extrusion flame-retardant cable |
| CN113488262A (en) * | 2021-06-10 | 2021-10-08 | 安徽凌宇电缆科技有限公司 | High-strength cable |
| CN113643845A (en) * | 2021-08-11 | 2021-11-12 | 铜陵铜泉线缆科技有限公司 | Combination cable that smart machine connected signal was used |
-
2022
- 2022-04-15 CN CN202210394006.6A patent/CN114743725B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO862896D0 (en) * | 1985-07-19 | 1986-07-18 | Raychem Corp | STRAIGHT SHEET. |
| CN107017051A (en) * | 2017-04-17 | 2017-08-04 | 广州市壹缆电缆实业有限公司 | A kind of flame retardant cable |
| CN108986980A (en) * | 2018-07-25 | 2018-12-11 | 陈辉 | A kind of waterproof anti-twisting cable used for wind power generation |
| CN208489031U (en) * | 2018-07-25 | 2019-02-12 | 安徽华通电缆集团有限公司 | A kind of Novel fireproof cable |
| CN109036687A (en) * | 2018-08-30 | 2018-12-18 | 安徽蒙特尔电缆集团有限公司 | A kind of robot fireproof cable |
| CN110335717A (en) * | 2019-08-05 | 2019-10-15 | 江苏耘和线缆有限公司 | A kind of flame-retardant cable and processing method |
| CN112002456A (en) * | 2020-04-07 | 2020-11-27 | 德信线缆集团有限公司 | Cable with improved structure |
| CN212032735U (en) * | 2020-06-18 | 2020-11-27 | 浦大电缆集团有限公司 | Fireproof cable convenient to cut off |
| CN112103005A (en) * | 2020-09-18 | 2020-12-18 | 稷米(广州)科技有限公司 | Communication cable |
| CN112331398A (en) * | 2020-11-02 | 2021-02-05 | 国网安徽省电力有限公司 | Fireproof and heat-resistant power transmission line structure |
| CN113488262A (en) * | 2021-06-10 | 2021-10-08 | 安徽凌宇电缆科技有限公司 | High-strength cable |
| CN113488250A (en) * | 2021-06-15 | 2021-10-08 | 安徽凌宇电缆科技有限公司 | Anti-extrusion flame-retardant cable |
| CN113643845A (en) * | 2021-08-11 | 2021-11-12 | 铜陵铜泉线缆科技有限公司 | Combination cable that smart machine connected signal was used |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114743725A (en) | 2022-07-12 |
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