CN210156132U - Flame-retardant fireproof cable - Google Patents
Flame-retardant fireproof cable Download PDFInfo
- Publication number
- CN210156132U CN210156132U CN201921540978.1U CN201921540978U CN210156132U CN 210156132 U CN210156132 U CN 210156132U CN 201921540978 U CN201921540978 U CN 201921540978U CN 210156132 U CN210156132 U CN 210156132U
- Authority
- CN
- China
- Prior art keywords
- outer side
- cable
- fire
- retardant fireproof
- fireproof 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.)
- Active
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a fire-retardant fireproof cable, including the mounting bar, the mounting groove has evenly been seted up to the lateral wall of mounting bar, and the inside of mounting groove all fills there is the filler, the inside of filler all is provided with the copper core conductor, and the lateral wall of copper core conductor is provided with the insulating and shielding layer, the outside of insulating and shielding layer is provided with netted conductor layer, and the outside of netted conductor layer is provided with the metallic shield layer, the outside of mounting bar is around being equipped with fire-resistant mica tape around the covering. The utility model discloses install inner sheath, first oversheath, fastening bolt, screw thread base, second lag, spacing groove and spacing, spacing impress the inside of spacing groove, accomplish spacingly, tear tin sticker and paste laminating department tightly, fastening bolt and screw thread base cooperate, make first oversheath and second lag accomplish locking, improve the life of cable, and be convenient for follow-up disassemble the maintenance to certain section cable, reduce the degree of difficulty and the time spent of maintenance.
Description
Technical Field
The utility model relates to the technical field of cables, specifically a fire-retardant fireproof cable.
Background
Cables are generally made of one or more conductors insulated from each other and an outer insulating protective layer, which transmits power or information from one point to another, and the main process of the cable is that of the power cable, the cable, by: the three processes of drawing, stranding and coating are completed, the model specification is more complex, the repeatability is higher, the flame-retardant and fireproof performance of the existing cable is poor, spontaneous combustion is easy to occur after the cable is used for a long time and is aged, information or electric power cannot be effectively transmitted, the existing cable is inconvenient to overhaul a certain section of position of the cable when being overhauled, the overhauling difficulty is increased, and the time is consumed.
Disclosure of Invention
An object of the utility model is to provide a fire-retardant fireproof cable to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a flame-retardant fireproof cable comprises a mounting strip, wherein mounting grooves are uniformly formed in the outer side wall of the mounting strip, fillers are filled in the mounting grooves, copper core conductors are arranged in the fillers, insulating shielding layers are arranged on the outer side walls of the copper core conductors, a net-shaped conductor layer is arranged on the outer side of each insulating shielding layer, a metal shielding layer is arranged on the outer side of each net-shaped conductor layer, a fire-resistant mica tape wrapping layer is arranged on the outer side of each mounting strip in a winding manner, an inner sheath is arranged on the outer side of each fire-resistant mica tape wrapping layer, a limiting strip is arranged at one end of each inner sheath, a limiting groove is formed in the other end of each inner sheath, the limiting grooves are matched with the limiting strips, a first outer sheath is uniformly arranged on one side of the outer portion of each inner sheath, a second protective sheath is hinged to one end of each first outer sheath, the one end that articulated end was kept away from to the second lag is installed threaded base, and threaded base and first oversheath cooperate.
Preferably, the inner sides of the first outer sheath and the second protective sheath are uniformly provided with anti-skid convex points.
Preferably, the outer side wall of the fastening bolt is uniformly provided with anti-skid grains.
Preferably, the main material of the filler is polyolefin.
Preferably, the position department that the inner sheath outside is close to the spacing all is provided with tin sticker.
Preferably, one end of the limiting strip, which is close to the limiting groove, is of a conical structure.
Compared with the prior art, the beneficial effects of the utility model are that: the flame-retardant fireproof cable is provided with an insulating shielding layer, a mesh conductor layer, a fire-resistant mica tape wrapping layer, a metal shielding layer and a filler, wherein the insulating shielding layer is used for insulating protection, the mesh conductor layer is used for improving the toughness of the cable and preventing the cable from deforming easily, the metal shielding layer is used for shielding and isolating protection and avoiding current leakage, the filler is added with a certain plasticizer and a fire retardant and is extruded through foaming and plasticizing, the stability and the strength of the cable are improved, the appearance is more round and round, the weight and the production cost of the cable are reduced, the flame-retardant fireproof cable is provided with an inner sheath, a first outer sheath, a fastening bolt, a threaded base, a second protective sheath, a limiting groove and a limiting strip, the limiting strip is pressed into the limiting groove to complete limiting, a tin sticker is torn to attach the attaching position tightly, and the first outer sheath and the second protective sheath are locked through the cooperation of the fastening bolt and the threaded base, compress tightly the cable, be convenient for stably install the cable, improved the life and the stability of cable, and be convenient for follow-up dismantling the maintenance to certain section cable, reduce the degree of difficulty and the time that consumes of maintenance.
Drawings
Fig. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic structural view of the outer sheath of the present invention;
fig. 3 is a schematic view of the inner sheath structure of the present invention.
In the figure: 1. an inner sheath; 2. a first outer jacket; 3. a filler; 4. fastening a bolt; 5. a threaded base; 6. a second protective cover; 7. a copper-core conductor; 8. a fire-resistant mica tape lapping layer; 9. an insulating shield layer; 10. a mesh-shaped conductor layer; 11. a limiting groove; 12. a limiting strip; 13. a metal shielding layer; 14. mounting a bar; 15. and (4) mounting the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides an embodiment: a flame-retardant fireproof cable comprises a mounting bar 14, wherein mounting grooves 15 are uniformly formed in the outer side wall of the mounting bar 14, fillers 3 are filled in the mounting grooves 15, the fillers adopt various polyolefins as main materials, certain plasticizers and flame retardants are added, the filler is formed by foaming, plasticizing and extruding, the filler is a rare non-hygroscopic filler for cable production, the strength and stability of the cable are improved, the weight and the production cost are reduced, copper core conductors 7 are arranged in the fillers 3, insulating shielding layers 9 are arranged on the outer side walls of the copper core conductors 7, mesh conductor layers 10 are arranged on the outer sides of the insulating shielding layers 9, metal shielding layers 13 are arranged on the outer sides of the mesh conductor layers 10, fire-resistant mica tape wrapping layers 8 are arranged on the outer sides of the mounting bar 14, the fire-resistant mica tape for the fire-resistant cable is a high-performance mica insulating product, and has excellent high-temperature resistance and combustion resistance, and the fire resistant mica tape is provided with inner sheath 1 around the outside of covering 8, spacing 12 is installed to the one end of inner sheath 1, and the other end of inner sheath 1 has seted up spacing groove 11, spacing groove 11 and spacing 12 cooperate, 1 outside one side of inner sheath evenly is provided with first oversheath 2, and the one end of first oversheath 2 articulates there is second lag 6, the one end that the hinged end was kept away from to first oversheath 2 is provided with fastening bolt 4, threaded base 5 is installed to the one end that the hinged end was kept away from to second lag 6, and threaded base 5 and first oversheath 2 cooperate, be convenient for cable erection and disassemble going on of overhauing, reduce the maintenance degree of difficulty and the time spent.
In this implementation: first oversheath 2 and second lag 6's inboard all evenly is provided with anti-skidding bump, improve the frictional force of laminating department, improve the holistic stability of cable, anti-skidding line has evenly been seted up to fastening bolt 4's lateral wall, the rotation operation of being convenient for, filler 3's main material is the polyolefin, guarantee cable strength and stable colleague, reduce the manufacturing cost and the weight of cable, do benefit to a large amount of use of plunging into, position department that the inner sheath 1 outside is close to spacing 12 all is provided with the tin sticker, further improve the stability of laminating department, and avoid the rainwater entering, spacing 12 is close to the one end of spacing groove 11 and is the toper structure, the inside of spacing 12 of being convenient for insert spacing groove 11 fast, be convenient for go on of installation.
The working principle is as follows: the copper core conductor 7 conducts current, the insulating shielding layer 9 protects insulativity, the mesh-shaped conductor layer 10 improves the toughness of the cable, so that the cable is not easy to deform, the metal shielding layer 13 shields and isolates and protects the cable to avoid current leakage, the filler 3 is made of certain plasticizer and fire retardant through foaming plasticizing extrusion, the fire-resistant mica tape is wound outside the mounting bar 14 around the mounting bar 8 to protect the cable from fire and insulation, the inner sheath 1 is placed on one side of the exterior of the fire-resistant mica tape around the mounting bar 8, two ends of the inner sheath 1 are connected, the limiting bar 12 is pressed into the limiting groove 11 to complete limiting, the joint is tightly pasted by tearing tin paste, the first outer sheath 2 is uniformly installed on the outer side of the inner sheath 1, and the first outer sheath 2 and the second protective sheath 6 are locked through the matching of the fastening bolt 4 and the threaded base 5, compress tightly the cable, when overhauing the cable, detect the cable cutout position through overhauing the device, unscrew fastening bolt 4 and the screw base 5 that will be close to again, remove first oversheath 2 and second lag 6, tear the tin sticker, pull out spacing 12 towards in the spacing groove 11, overhaul the cable of inside can.
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 or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. A flame retardant fireproof cable comprising a mounting strip (14), characterized in that: the outer side wall of the mounting strip (14) is uniformly provided with mounting grooves (15), the inside of each mounting groove (15) is filled with a filler (3), the inside of each filler (3) is provided with a copper core conductor (7), the outer side wall of each copper core conductor (7) is provided with an insulating shielding layer (9), the outer side of each insulating shielding layer (9) is provided with a mesh-shaped conductor layer (10), the outer side of each mesh-shaped conductor layer (10) is provided with a metal shielding layer (13), the outer side of each mounting strip (14) is wound with a fire-resistant mica tape around the corresponding winding layer (8), an inner sheath (1) is arranged on the outer side of each fire-resistant mica tape around the corresponding winding layer (8), one end of each inner sheath (1) is provided with a limiting strip (12), the other end of each inner sheath (1) is provided with a limiting groove (11), the limiting grooves (11) are matched with the limiting strips (12), one side of the outer portion, and the one end of first oversheath (2) articulates there is second lag (6), the one end that hinged end was kept away from in first oversheath (2) is provided with fastening bolt (4), threaded base (5) are installed to the one end that hinged end was kept away from in second lag (6), and threaded base (5) and first oversheath (2) cooperate.
2. A fire retardant fireproof cable according to claim 1, wherein: the inner sides of the first outer sheath (2) and the second protective sheath (6) are uniformly provided with anti-skidding convex points.
3. A fire retardant fireproof cable according to claim 1, wherein: the outer side wall of the fastening bolt (4) is uniformly provided with anti-skid grains.
4. A fire retardant fireproof cable according to claim 1, wherein: the main material of the filler (3) is polyolefin.
5. A fire retardant fireproof cable according to claim 1, wherein: the position department that the inner sheath (1) outside is close to spacing strip (12) all is provided with tin sticker.
6. A fire retardant fireproof cable according to claim 1, wherein: one end of the limiting strip (12) close to the limiting groove (11) is of a conical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921540978.1U CN210156132U (en) | 2019-09-17 | 2019-09-17 | Flame-retardant fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921540978.1U CN210156132U (en) | 2019-09-17 | 2019-09-17 | Flame-retardant fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210156132U true CN210156132U (en) | 2020-03-17 |
Family
ID=69767586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921540978.1U Active CN210156132U (en) | 2019-09-17 | 2019-09-17 | Flame-retardant fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210156132U (en) |
-
2019
- 2019-09-17 CN CN201921540978.1U patent/CN210156132U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109448921B (en) | Manufacturing method of inorganic fireproof medium-high voltage cable | |
| CN103247390B (en) | A kind of pre-branch flexible mineral compound insulation fireproof cable and preparation method thereof | |
| CN202796200U (en) | Novel aluminum alloy power cable | |
| CN206040237U (en) | Branch cable fire prevention branch head in advance | |
| CN211529645U (en) | Super flexible mineral substance fireproof cable | |
| CN210156132U (en) | Flame-retardant fireproof cable | |
| CN103123818A (en) | Multilayer protective low-smoke zero-halogen flame retardant fireproof control cable and manufacture method thereof | |
| CN214753043U (en) | Electric wire and cable with waterproof and flame-retardant functions | |
| CN208400547U (en) | The tearable type sheath flat wire being easily installed | |
| CN206685182U (en) | A kind of reflective cable of New-energy electric vehicle charging pile | |
| CN207637519U (en) | A kind of prefabricated branch type mineral insulated cable | |
| CN202487276U (en) | Ultrahigh-voltage composite aluminum-plastic tape longitudinally-wrapped copper wire-shielded power cable | |
| CN211427904U (en) | High-efficiency energy-saving flame-retardant fireproof composite cable for smart power grid | |
| CN214956170U (en) | Compression-resistant waterproof weather-resistant fireproof power cable | |
| CN110911854A (en) | Signal cable termination device resistant to power frequency current | |
| CN219512866U (en) | Fire-resistant power cable | |
| CN213292201U (en) | Engine compartment wiring harness with strong anti-interference capability | |
| CN210039666U (en) | High-efficiency energy-saving overhead cable | |
| CN209249161U (en) | A kind of comprehensive waterproof midium voltage cable | |
| CN217902784U (en) | Waterproof cable with steel-plastic composite belt | |
| CN217282152U (en) | Crosslinked cable thermal shrinkage three-core terminal | |
| CN215183202U (en) | Waterproof protection against rodents termite-proof synthesizes and protects high life photovoltaic cable | |
| CN209947495U (en) | Novel outer conducting layer fireproof heat-insulation high-voltage power cable | |
| CN220252903U (en) | Medium-voltage polypropylene insulation environment-friendly flame-retardant fire-resistant cable | |
| CN213844836U (en) | Anti-theft type wire and cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 102488 Room 101, floor 1, building 2, yard 8, Yanzhong street, Fangshan District, Beijing Patentee after: BEIJING HEAVY CABLE WORKS Address before: 102400 Beijing City, Fangshan District Fangshan Industrial Park East Yan Fu Road No. 1 -6 Patentee before: BEIJING HEAVY CABLE WORKS |