CN212209002U - Alkali-free glass fiber tape fire-resistant cable - Google Patents
Alkali-free glass fiber tape fire-resistant cable Download PDFInfo
- Publication number
- CN212209002U CN212209002U CN202020935322.6U CN202020935322U CN212209002U CN 212209002 U CN212209002 U CN 212209002U CN 202020935322 U CN202020935322 U CN 202020935322U CN 212209002 U CN212209002 U CN 212209002U
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- CN
- China
- Prior art keywords
- layer
- alkali
- conductors
- glass fiber
- resistant cable
- 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.)
- Expired - Fee Related
Links
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 16
- 239000003365 glass fiber Substances 0.000 title claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 16
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 238000009941 weaving Methods 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims 5
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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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- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of cables, in particular to an alkali-free glass fiber belt fire-resistant cable, which comprises a plurality of conductors, wherein the outer sides of the plurality of conductors are extruded with insulating layers, and the plurality of conductors are uniformly wound on the outer wall of a reinforcing core; a cabling lapping layer is arranged on the outer sides of the conductors and is made of alkali-free glass fiber tapes; a shielding layer is arranged on the outer side of the cabling wrapping layer, an armor layer is arranged on the outer side of the shielding layer, an outer sheath layer is arranged on the outer side of the armor layer, and a plurality of tensile metal wires are fixedly arranged on the inner wall of the outer sheath layer; the utility model provides an alkali-free glass fiber band fire resisting cable, simple structure possesses excellent refractiveness and tensile strength.
Description
Technical Field
The utility model relates to the technical field of cables, concretely relates to alkali-free glass fiber band fire resisting cable.
Background
Fire-resistant cable means a cable that can be kept in operation safely for a certain period of time in the event of a flame burn. The national standard GB12666.6 (IEC 331) of China divides a fire resistance test into A, B grades, wherein the A-grade flame temperature is 950-1000 ℃, the continuous fire supply time is 90min, the B-grade flame temperature is 750-800 ℃, the continuous fire supply time is 90min, and a sample is required to bear a rated voltage value specified by a product in the whole test period. Fire-resistant cables are widely used in places related to fire safety and fire life saving, such as high-rise buildings, underground railways, underground streets, large power stations, and important industrial and mining enterprises, for example, power supply lines and control lines of emergency facilities such as fire-fighting equipment and emergency guide lamps.
Because fire-fighting equipment such as an emergency guide lamp and the like often fall off and hang in the air from a wall in a fire, the fire-resistant cable connected with the emergency guide lamp is subjected to more pulling force, and higher requirements on fire resistance and tensile property of the fire-resistant cable are provided under other emergency conditions.
SUMMERY OF THE UTILITY MODEL
For solving the problem that proposes among the above-mentioned background art, the utility model provides an alkali-free glass fiber band fire resisting cable, simple structure possesses excellent refractiveness and tensile strength.
In order to achieve the above object, the utility model provides a following technical scheme: an alkali-free glass fiber tape fire-resistant cable comprises a plurality of conductors, wherein insulating layers are extruded outside the conductors, and the conductors are uniformly wound on the outer wall of a reinforcing core; a cabling lapping layer is arranged on the outer sides of the conductors and is made of alkali-free glass fiber tapes; the outer side of the cabling wrapping layer is provided with a shielding layer, the outer side of the shielding layer is provided with an armor layer, the outer side of the armor layer is provided with an outer sheath layer, and a plurality of tensile metal wires are fixedly arranged on the inner wall of the outer sheath layer.
Further, the conductor is made of an annealed copper core.
According to the technical scheme, the annealed copper core has better toughness and is prevented from being broken by pulling.
Further, the insulating layer is made of a cross-linked polyethylene material.
According to the technical scheme, the cross-linked polyethylene has excellent insulating property, and does not generate toxic halogen gas after combustion.
Furthermore, the shielding layer is formed by weaving metal wires.
According to the technical scheme, on one hand, the metal wire braided shield can prevent external electromagnetic signals from interfering the interior of the cable, and on the other hand, the metal wire has certain tensile property.
Further, the outer sheath layer is made of polyethylene material.
According to the technical scheme, the polyethylene material meets the low-smoke halogen-free requirement of the cable, and has better insulation and wear resistance.
Furthermore, a plurality of the tensile metal wires are uniformly arranged on the circumference of the inner side wall of the outer sheath layer.
According to the technical scheme, the uniformly arranged tensile metal wires can better distribute the pulling force acting on the outer sheath layer.
Compared with the prior art, the beneficial effects of the utility model are that: the plurality of conductors are uniformly wound on the outer wall of the reinforcing core, the tensile property in the cable can be improved due to the arrangement of the reinforcing core, the outer sides of the plurality of conductors are provided with the cabling wrapping layer, the cabling wrapping layer is made of alkali-free glass fiber tapes, and the alkali-free glass fiber tapes are inorganic non-metal materials with excellent performance, good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength; the outside of armor is provided with the oversheath layer, and the fixed many tensile wires that are provided with on the inner wall of oversheath layer, the tensile property that can strengthen the softer oversheath layer of texture of setting up of wire forms double-deck protection with the reinforcement core together.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a conductor; 2. an insulating layer; 3. a reinforcing core; 4. a cabling lapping layer; 5. a shielding layer; 6. an armor layer; 7. an outer jacket layer; 8. and (4) tensile metal wires.
Detailed Description
In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Example one
Referring to fig. 1, the present invention provides the following technical solutions: an alkali-free glass fiber tape fire-resistant cable comprises a plurality of conductors 1, wherein an insulating layer 2 is extruded on the outer side of each conductor 1, the conductors 1 are uniformly wound on the outer wall of a reinforcing core 3, the winding directions of the conductors 1 are consistent, the reinforcing core 3 can be made of steel wire ropes with excellent tensile property, a cabling wrapping layer 4 is arranged on the outer side of each conductor 1, and a fire-resistant material can be filled between the cabling wrapping layer 4 and the insulating layer 2 for enhancing the fire resistance of the cable; the cabling wrapping layer 4 is made of alkali-free glass fiber tapes; the outside of stranding is provided with shielding layer 5 around covering 4, and the outside of shielding layer 5 is provided with armor 6, and the outside of armor 6 is provided with oversheath layer 7, and the fixed many tensile wires 8 that are provided with on the inner wall of oversheath layer 7, before cable extrusion package machine crowded package oversheath layer 7, the staff can be earlier with tensile wire 8 and cable armor 6 fix together on the extrusion package machine, let tensile wire 8 participate in the crowded package in-process of oversheath layer 7.
According to the technical scheme, the conductor 1 is made of the annealed copper core, and the annealed copper core has better toughness and prevents the cable from being broken.
According to the technical scheme, the insulating layer 2 is made of the cross-linked polyethylene material, the cross-linked polyethylene has excellent insulating property, and halogen toxic gas cannot be generated after combustion.
According to the technical scheme, the shielding layer 5 is formed by weaving the metal wires, on one hand, the metal wires can prevent external electromagnetic signals from interfering the inside of the cable through weaving shielding, and on the other hand, the metal wires have certain tensile property.
According to the technical scheme, the outer sheath layer 7 is made of the polyethylene material, and the polyethylene material meets the low-smoke halogen-free requirement of the cable and has better insulation and wear-resistant performance.
According to the technical scheme, the tensile metal wires 8 are uniformly arranged on the circumference of the inner side wall of the outer sheath layer 7, and the tensile metal wires 8 which are uniformly arranged can better distribute the pulling force acting on the outer sheath layer 7.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An alkali-free glass fiber tape fire-resistant cable, comprising a plurality of conductors (1), characterized in that: the outer sides of the conductors (1) are extruded with insulating layers (2), and the conductors (1) are uniformly wound on the outer wall of the reinforcing core (3); a cabling lapping layer (4) is arranged on the outer side of the plurality of conductors (1), and the cabling lapping layer (4) is made of alkali-free glass fiber tapes; the outer side of the cabling wrapping layer (4) is provided with a shielding layer (5), the outer side of the shielding layer (5) is provided with an armor layer (6), the outer side of the armor layer (6) is provided with an outer sheath layer (7), and a plurality of tensile metal wires (8) are fixedly arranged on the inner wall of the outer sheath layer (7).
2. The alkali-free fiberglass tape fire-resistant cable of claim 1, wherein: the conductor (1) is made of an annealed copper core.
3. The alkali-free fiberglass tape fire-resistant cable of claim 1, wherein: the insulating layer (2) is made of a cross-linked polyethylene material.
4. The alkali-free fiberglass tape fire-resistant cable of claim 1, wherein: the shielding layer (5) is formed by weaving metal wires.
5. The alkali-free fiberglass tape fire-resistant cable of claim 1, wherein: the outer sheath layer (7) is made of polyethylene material.
6. The alkali-free fiberglass tape fire-resistant cable of claim 1, wherein: the tensile metal wires (8) are uniformly arranged on the circumference of the inner side wall of the outer sheath layer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020935322.6U CN212209002U (en) | 2020-05-28 | 2020-05-28 | Alkali-free glass fiber tape fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020935322.6U CN212209002U (en) | 2020-05-28 | 2020-05-28 | Alkali-free glass fiber tape fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212209002U true CN212209002U (en) | 2020-12-22 |
Family
ID=73812244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020935322.6U Expired - Fee Related CN212209002U (en) | 2020-05-28 | 2020-05-28 | Alkali-free glass fiber tape fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212209002U (en) |
-
2020
- 2020-05-28 CN CN202020935322.6U patent/CN212209002U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |