CN114360795B - Fire-resistant special power cable of silicon rubber for naval vessel - Google Patents
Fire-resistant special power cable of silicon rubber for naval vessel Download PDFInfo
- Publication number
- CN114360795B CN114360795B CN202210131188.8A CN202210131188A CN114360795B CN 114360795 B CN114360795 B CN 114360795B CN 202210131188 A CN202210131188 A CN 202210131188A CN 114360795 B CN114360795 B CN 114360795B
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- Prior art keywords
- fire
- cable
- power cable
- extinguishing
- balloon
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Classifications
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- 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
-
- 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
-
- 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
- H01B7/1875—Multi-layer sheaths
-
- 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
- H01B7/189—Radial force absorbing layers providing a cushioning effect
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a silicon rubber fire-resistant special power cable for ships, which belongs to the technical field of cables and comprises an outer sheath and an inner sheath, wherein the inner sheath is arranged inside the outer sheath, a plurality of cable cores are arranged inside the inner sheath, a filling material is arranged in a space formed by the cable cores and the inner sheath, a fire extinguishing balloon is arranged outside the inner sheath, heptafluoropropane gas is arranged inside the fire extinguishing balloon, a traction rope is glued on the inner side wall of the outer sheath, a reset spring is uniformly arranged on the traction rope in an annular shape, the inner end part of the reset spring is connected with an arc brace, the arc brace is connected with the outer sheath through a shock absorber, adjacent arc braces are connected through a connecting rope, an inserting block is arranged in the middle of the connecting rope, a pressing strip is arranged in the middle of the inserting block, guide strips are symmetrically arranged between the adjacent shock absorbers, and the guide strips are tangential with the connecting rope. The invention not only can improve the fire-resistant effect of the power cable, but also can increase the time for power rush repair after a fire condition occurs, and reduce the damage rate of the power cable; and the damping effect of the cable is improved.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a silicon rubber fire-resistant special power cable for ships.
Background
The rapid development of the marine industry in China will further pull the market demand of marine cables. The cable used on the ship is basically halogen-free, low-smoke and salt-tolerant special cable under the influence of the ship working environment. In offshore platform operations, the longitudinal water seal cable and umbilical cable will be used in large quantities. The development demand of the whole marine cable industry in China is greatly increased by the marine industry at home and abroad, and the market demand of special wires, cables and optical fiber cables of military ships, underwater navigation bodies, torpedoes, underwater baits and underwater reconnaissance devices is also greatly increased. In addition, the maintenance of ships and the construction of related facilities such as wharfs can also provide a large market demand space for other common electric wires and cables. The marine cable is a wire cable for power, illumination, control and communication transmission of various ships in river and sea and offshore or offshore buildings, and comprises a marine power cable, a marine control cable, a marine communication cable and the like.
The existing cable for the ship has poor fire resistance, can be burnt quickly after a fire occurs in the use process of the cable, has shorter time for emergency repair personnel and has larger damage to public property. Aiming at the problem, we provide a silicon rubber fire-resistant special power cable for ships.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to solve the technical problem of providing the silicon rubber fire-resistant special power cable for the ship, which can effectively solve the problems of poor fire resistance, quick burning of the cable after a fire occurs in the use process of the cable, short time for emergency repair personnel and great damage to public property of the existing ship cable.
2. Technical proposal
In order to solve the problems, the invention adopts the following technical scheme:
the utility model provides a fire-resistant special power cable of silicone rubber for naval vessel, includes oversheath and inner sheath, the inner sheath is located inside the oversheath, the inside a plurality of cable cores that are equipped with of inner sheath, be equipped with filling material in the space that cable core and inner sheath formed, the inner sheath outside is equipped with the fire-extinguishing balloon, the inside heptafluoropropane gas that is equipped with of fire-extinguishing balloon, the oversheath inside wall glues has the haulage rope, be annular evenly to be equipped with reset spring on the haulage rope, reset spring inner end is connected with the arc brace, connect through the shock absorber between arc brace and the oversheath, adjacent connect through connecting rope between the arc brace, the connecting rope middle part is equipped with the spliced block, the spliced block middle part is equipped with the layering, the symmetry is equipped with the gib block between the adjacent shock absorber, the gib is tangent with connecting rope.
Preferably, the plugging block is annularly arranged at the outer side of the fire extinguishing gas ring, and is movably plugged into the fire extinguishing gas ring.
Preferably, the shock absorber is V-shaped, and the shock absorber is fixedly connected with the outer sheath and the shock absorber.
Preferably, the traction rope passes through the shock absorber, and the traction rope is arranged at the outer side of the connecting rope.
Preferably, the opposite end surfaces of the plug block and the fire extinguishing balloon are provided with conical points, and the plug block is arranged between the adjacent shock absorbing bodies.
Preferably, a fireproof silica gel sleeve is arranged between the fire-extinguishing balloon and the inner sheath, and the fireproof silica gel sleeve is glued with the fire-extinguishing balloon and the inner sheath
Preferably, the reset spring is arranged in a cavity formed by the shock absorption body and the arc brace. Advantageous effects
(1) According to the invention, the traction rope is glued to the inner side wall of the outer sheath, the traction rope is blown in the combustion process of the outer sheath, the reset spring is separated from the traction action of the traction rope, at the moment, the degree of outward bulge of the arc braces is reduced through the elastic reset action of the reset spring, the distance between the adjacent arc braces is reduced, so that the traction force of the adjacent arc braces is reduced, the plug blocks are separated from the slots on the fire extinguishing air ring, the heptafluoropropane gas in the fire extinguishing air ring is rapidly discharged, and the naked flame generated by the outer sheath is rapidly sprayed through the guiding action of the guide bar, so that the fire resistance effect of the power cable is improved, the time for power emergency repair is increased after the fire occurs, and the damage rate of the power cable is reduced.
(2) According to the invention, the damping body is designed into the two plates with the included angle, the triangular structure is formed between the damping body and the arc brace, and the damping effect of the cable can be improved through the triangular stable supporting form, and the protection effect on the reset spring is easy to realize.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged schematic view of the present invention at M;
FIG. 3 is an enlarged view of the present invention at N;
fig. 4 is a schematic diagram showing connection between the plug block and the pull rope according to the present invention.
Reference numerals: 1. an outer sheath; 2. an inner sheath; 3. fire suppression balloon; 4. a filler material; 5. a cable core; 6. a traction rope; 7. a guide bar; 8. a return spring; 9. a shock absorber; 10. a plug block; 11. heptafluoropropane gas; 12. arc bracing; 13. pressing strips; 14. a connecting rope; 15. fireproof silica gel sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, an embodiment of the present invention is provided: the utility model provides a fire-resistant special power cable of silicon rubber for naval vessel, includes oversheath 1 and oversheath 2, and oversheath 2 locates inside oversheath 1, and inside a plurality of cable cores 5 that are equipped with of oversheath 2, be equipped with filler material 4 in the space that cable core 5 and oversheath 2 constitute, filler material 4's setting can make cable core 5 inside better stable in oversheath 2.
A fire extinguishing balloon 3 is arranged outside the inner sheath 2, wherein the fire extinguishing balloon 3 is hollow. A fireproof silica gel sleeve 15 is arranged between the fire-extinguishing balloon 3 and the inner sheath 2, a fireproof coating is arranged on the fireproof silica gel sleeve 15, the fireproof coating is formed by adding various fireproof flame retardants, plasticizers and the like into a tertiary acrylic emulsion water-based material, and when the coating is on fire, a uniform and compact spongy foam heat-insulating layer can be generated, so that the spreading and spreading of flame can be effectively inhibited and blocked, and the electric wire and cable are protected. The fireproof silica gel sleeve 15 is glued with the fire extinguishing balloon 3 and the inner sheath 2. A heptafluoropropane gas 11 is arranged in the fire-extinguishing balloon 3, and the heptafluoropropane is a clean gas chemical fire-extinguishing agent which mainly takes chemical fire extinguishment and has physical fire-extinguishing effect, belongs to polyfluoroalkane, and has a molecular formula of C3HF7; it is colorless, odorless, low in toxicity, non-conductive, and free from pollution to the protected object, and can not damage the property and the precision facilities. The fire extinguishing medium is stored in the fire extinguishing balloon 3 in a gas state, and the fire extinguishing medium is sprayed in a gas state during fire extinguishing, so that the effect of extinguishing the fire generated by the cable is achieved.
The inner side wall of the outer sheath 1 is glued with the traction rope 6, the traction rope 6 is annularly and uniformly provided with the reset spring 8, wherein the traction rope 6 is arranged on the inner side wall of the outer sheath 1 and is fixed on the outer sheath 1 in a gluing mode, when the outer sheath 1 generates open fire, the open fire burns the outer sheath 1 first, the traction rope 6 breaks along with the burning of the outer sheath 1, and the gas in the fire extinguishing balloon 3 can be automatically released through the elastic action of the reset spring 8, so that the open fire generated by the outer sheath 1 is extinguished, the repair time of a cable is increased, and the damage rate of the cable burning to public resources is effectively reduced.
Wherein, reset spring 8 locates the cavity that shock absorber 9 and arc brace 12 constitute. The inner end of the reset spring 8 is connected with the arc brace 12, the arc brace 12 is connected with the outer sheath 1 through the shock absorber 9, the traction rope 6 passes through the shock absorber 9, and the traction rope 6 is arranged at the outer side of the connecting rope 14. The shock absorber 9 is the contained angle by two strip shaped plates and constitutes, through forming triangle-shaped structure between shock absorber 9 and the arc brace 12, through triangle-shaped's stable support form, can improve the shock attenuation effect of cable, and easily play the effect of protection to reset spring 8.
The adjacent arc braces 12 are connected through a connecting rope 14, wherein the connecting rope 14 is used for connecting the arc braces 12, the middle part of the connecting rope 14 is provided with a plug-in block 10, the plug-in block 10 is annularly arranged on the outer side of the fire extinguishing balloon 3, and the plug-in block 10 is movably plugged on the fire extinguishing balloon 3. The opposite end surfaces of the plug-in block 10 and the fire-extinguishing balloon 3 are provided with conical points, and the plug-in block 10 is arranged between the adjacent shock-absorbing bodies 9. The middle part of the plug block 10 is provided with the pressing strip 13, and the plug block 10 can block the fire extinguishing balloon 3 in an initial state to prevent the heptafluoropropane gas 11 in the fire extinguishing balloon 3 from leaking out. Due to the connection effect of the connecting ropes 14, interaction is generated between the adjacent connecting ropes 14, and inward gathering force is generated, so that the plug-in block 10 can be tightly clamped on the fire extinguishing gas ring 3, and the use effect of the fire extinguishing gas ring 3 is guaranteed.
Guide strips 7 are symmetrically arranged between the adjacent shock absorption bodies 9, and the guide strips 7 are tangent to the connecting ropes 14. The shock absorber 9 is V-shaped, and the shock absorber 9 is fixedly connected with the outer sheath 1 and the shock absorber 9. Wherein, the guide strip 7 is arranged between the adjacent shock absorbing bodies 9, an included angle larger than 90 degrees is formed between the adjacent guide strips 7, and after the heptafluoropropane gas 11 in the fire extinguishing balloon 3 is discharged, the heptafluoropropane gas 11 can be guided, so that the treatment of open fire is better and more uniform.
Working principle: this kind of fire-resistant special power cable of marine silicone rubber, in the cable use, open flame can burn oversheath 1 at first, in oversheath 1's combustion process, haulage rope 6 is blown, reset spring 8 breaks away from haulage rope 6's tractive effect, at this moment, through reset spring 8's elasticity reset effect, reduce the outside protruding degree of arc brace 12, adjacent arc brace 12's interval is reduced, thereby make adjacent arc brace 12's tractive force reduce, the bayonet lock 10 breaks away from the slot on fire-extinguishing balloon 3, locate the quick discharge of heptafluoropropane gas 11 in the fire-extinguishing balloon 3, through the direction effect of gib block 7, the quick open flame that produces to oversheath 1 sprays, the fire-resistant effect of power cable has been improved, after the condition of a fire appears, can increase the time for the power rush repair, the damage rate of power cable is reduced.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the invention, and that variations and modifications of the above described embodiments will fall within the scope of the claims of the invention as long as they fall within the true spirit of the invention.
Claims (6)
1. The utility model provides a fire-resistant special power cable of naval vessel silicon rubber, includes oversheath (1) and inner sheath (2), inside oversheath (1) are located to inner sheath (2), its characterized in that: the novel fire-extinguishing gas-filled cable is characterized in that a plurality of cable cores (5) are arranged inside the inner sheath (2), filling materials (4) are arranged in a space formed by the cable cores (5) and the inner sheath (2), a fire-extinguishing gas ring (3) is arranged outside the inner sheath (2), heptafluoropropane gas (11) is arranged inside the fire-extinguishing gas ring (3), a traction rope (6) is glued on the inner side wall of the outer sheath (1), a return spring (8) is uniformly arranged on the traction rope (6), the inner end of the return spring (8) is connected with an arc brace (12), the arc brace (12) is connected with the outer sheath (1) through a shock absorber (9), the arc brace (12) is adjacent to be connected with the outer sheath (1) through a connecting rope (14), plug-in blocks (10) are arranged in the middle of the plug-in blocks (10), guide strips (7) are symmetrically arranged between adjacent shock absorbers (9), the guide strips (7) are tangent with the connecting ropes (14), and the shock absorbers (9) are in a V shape, and are fixedly connected with the outer sheath (1).
2. The silicon rubber fire-resistant special power cable for ships according to claim 1, wherein the plug-in block (10) is annularly arranged on the outer side of the fire-extinguishing balloon (3), and the plug-in block (10) is movably plugged into the fire-extinguishing balloon (3).
3. The special fire-resistant silicon rubber power cable for ships according to claim 1 is characterized in that the hauling rope (6) passes through the shock absorber (9), and the hauling rope (6) is arranged outside the connecting rope (14).
4. The special fire-resistant silicon rubber power cable for ships according to claim 1, wherein conical points are arranged on the opposite end surfaces of the plug-in blocks (10) and the fire extinguishing balloon (3), and the plug-in blocks (10) are arranged between the adjacent shock absorbing bodies (9).
5. The special fire-resistant silicon rubber power cable for ships according to claim 1 is characterized in that a fireproof silica gel sleeve (15) is arranged between the fire-extinguishing balloon (3) and the inner sheath (2), and the fireproof silica gel sleeve (15) is glued with the fire-extinguishing balloon (3) and the inner sheath (2).
6. The fire-resistant special power cable of silicon rubber for ships according to claim 1, wherein the return spring (8) is arranged in a cavity formed by the shock absorber (9) and the arc brace (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210131188.8A CN114360795B (en) | 2022-02-14 | 2022-02-14 | Fire-resistant special power cable of silicon rubber for naval vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210131188.8A CN114360795B (en) | 2022-02-14 | 2022-02-14 | Fire-resistant special power cable of silicon rubber for naval vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114360795A CN114360795A (en) | 2022-04-15 |
| CN114360795B true CN114360795B (en) | 2023-09-15 |
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ID=81092814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210131188.8A Active CN114360795B (en) | 2022-02-14 | 2022-02-14 | Fire-resistant special power cable of silicon rubber for naval vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114360795B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990257Y (en) * | 2006-12-13 | 2007-12-12 | 安徽华宇电缆有限公司 | Electric Cables For silicon rubber isolating ships use |
| KR20130041491A (en) * | 2011-10-17 | 2013-04-25 | 엘에스전선 주식회사 | Communication cable |
| CN205318863U (en) * | 2016-01-21 | 2016-06-15 | 江苏金陵特种电缆有限公司 | Silicon rubber insulation fire resistant power cable |
| CN109599207A (en) * | 2018-10-10 | 2019-04-09 | 江苏泰祥电线电缆有限公司 | A kind of novel fire-resistant cable for ship |
| CN209388729U (en) * | 2019-01-21 | 2019-09-13 | 扬州富龙线缆有限公司 | A kind of shock-proof pressure-tight type fire electricity line |
| CN209912567U (en) * | 2019-06-20 | 2020-01-07 | 安徽省通信产业服务有限公司 | Lock first formula antidetonation cable |
| JP2020095790A (en) * | 2018-12-10 | 2020-06-18 | 日立金属株式会社 | cable |
| CN213635483U (en) * | 2020-11-24 | 2021-07-06 | 江苏远方电缆厂有限公司 | Insulating flame-retardant high-voltage power cable |
-
2022
- 2022-02-14 CN CN202210131188.8A patent/CN114360795B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990257Y (en) * | 2006-12-13 | 2007-12-12 | 安徽华宇电缆有限公司 | Electric Cables For silicon rubber isolating ships use |
| KR20130041491A (en) * | 2011-10-17 | 2013-04-25 | 엘에스전선 주식회사 | Communication cable |
| CN205318863U (en) * | 2016-01-21 | 2016-06-15 | 江苏金陵特种电缆有限公司 | Silicon rubber insulation fire resistant power cable |
| CN109599207A (en) * | 2018-10-10 | 2019-04-09 | 江苏泰祥电线电缆有限公司 | A kind of novel fire-resistant cable for ship |
| JP2020095790A (en) * | 2018-12-10 | 2020-06-18 | 日立金属株式会社 | cable |
| CN209388729U (en) * | 2019-01-21 | 2019-09-13 | 扬州富龙线缆有限公司 | A kind of shock-proof pressure-tight type fire electricity line |
| CN209912567U (en) * | 2019-06-20 | 2020-01-07 | 安徽省通信产业服务有限公司 | Lock first formula antidetonation cable |
| CN213635483U (en) * | 2020-11-24 | 2021-07-06 | 江苏远方电缆厂有限公司 | Insulating flame-retardant high-voltage power cable |
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| Publication number | Publication date |
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| CN114360795A (en) | 2022-04-15 |
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