CN216119592U - Flexible mineral insulation fireproof double-sheath cable - Google Patents
Flexible mineral insulation fireproof double-sheath cable Download PDFInfo
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- CN216119592U CN216119592U CN202121769370.3U CN202121769370U CN216119592U CN 216119592 U CN216119592 U CN 216119592U CN 202121769370 U CN202121769370 U CN 202121769370U CN 216119592 U CN216119592 U CN 216119592U
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Abstract
The utility model provides a two sheath cables of flexible mineral insulation fire prevention, relates to cable technical field, including restrainting the lead wire, restraint the outer surface mounting of lead wire and have interior inoxidizing coating, the outer surface mounting of interior inoxidizing coating has the inner liner, inner liner internally mounted has the cable core, the outer surface mounting of inner liner has the insulating layer, the outer surface mounting of insulating layer has the flame retardant coating, soft armor in the internally mounted of flame retardant coating, the outer surface mounting of flame retardant coating has fire-retardant layer, the outer surface mounting on fire-retardant layer has the shielding layer. According to the utility model, the outer soft armor and the inner soft armor are arranged in the cable, and if the mine cave collapses, the outer soft armor and the inner soft armor arranged in the cable can bear the heavy pressure of rocks, so that the cable is not easy to break in the mine cave with the collapse accident, and trapped people can live in the collapsed mine cave.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a flexible mineral insulation fireproof double-sheath cable.
Background
The cable includes power cable, control cable, compensation cable, shielding cable, high-temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable, aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers, and are used for connecting circuits, electric appliances and the like.
Mineral insulated cable is MI cable for short, can divide into rigidity and flexibility two kinds according to structural feature at present, traditional flexible mineral insulated cable generally is used for the exploitation of mineral, because the inside dark of mine hole, if the condition of short circuit appears in the cable, maintenance personal is when overhauing, because the position at place of cable can not be seen, consequently, maintenance personal can't be quick when overhauing the cable find the position at cable place, thereby caused maintenance personal to need to consume a large amount of time on overhauing the cable, if the accident that the mine hole collapses appears, because traditional flexible mineral insulated cable can't bear the weight of rock, cause the inside fracture because flexible mineral insulated cable of mine hole easily, make the inside personnel that are stranded of mine hole can be in the environment of dark for a long time, be unfavorable for stranded personnel to survive inside the mine hole that collapses.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flexible mineral-insulated fireproof double-sheath cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a flexible mineral insulation fireproof double-sheath cable comprises a bundle lead wire, wherein an inner protective layer is arranged on the outer surface of the bundle lead wire, an inner liner is arranged on the outer surface of the inner protective layer, a cable core is arranged inside the inner liner, an insulating layer is arranged on the outer surface of the inner liner, a fireproof layer is arranged on the outer surface of the insulating layer, an inner soft armor is arranged inside the fireproof layer, a flame-retardant layer is arranged on the outer surface of the fireproof layer, a shielding layer is arranged on the outer surface of the flame-retardant layer, an outer soft armor is arranged on the outer surface of the shielding layer, an outer protective layer is arranged on the outer surface of the outer soft armor, a support lug is arranged at the top of the outer surface of the outer protective layer, fluorescent patches are arranged on two sides of the outer surface of the outer protective layer, if the cable fails, the fluorescent patches are arranged on the outer surface of the outer protective layer, and when maintenance personnel maintain the cable, the light that sends through the fluorescence paster, make the maintenance personal can be when overhauing quick the position of finding the cable place, avoid the maintenance personal to need consume a large amount of time on overhauing the cable, if the accident that collapses appears in the mine cave, outer soft armor and interior soft armor through the inside setting of cable, make flexible mineral insulated cable can bear the heavy pressure of rock, let the cable in the mine cave inside difficult fracture of the accident that collapses that appears, be favorable to stranded personnel inside the existence in the mine cave that collapses, and be provided with fire-retardant layer at cable inside, if the cable causes the temperature to rise because of the short circuit, avoid the cable consequently to be burnt out through fire-retardant layer.
Preferably, a through hole is formed in the middle of one end of the inner protective layer, the size of the through hole in the inner protective layer is matched with that of the bundle lead, and the bundle lead is stably and firmly installed on the inner protective layer through the through hole in the inner protective layer.
Preferably, a plurality of circular through-holes and a plurality of circular through-holes use the bundle lead wire to arrange as central equidistance have been seted up to inside the inner liner, the size of circular through-hole and the size looks adaptation of cable core on the inner liner, through a plurality of circular through-holes with the stable firm installation of cable core on the inoxidizing coating including.
Preferably, an installation groove is formed in one end of the fireproof layer, the size of the installation groove in the fireproof layer is matched with that of the inner soft armor, and the inner soft armor is stably and firmly installed on the fireproof layer through the installation groove.
Preferably, fan-shaped grooves are formed in the outer surface of the shielding layer and the inner surface of the outer protective layer, the size of each fan-shaped groove in the outer surface of the shielding layer and the size of the fan-shaped groove in the inner surface of the outer protective layer are matched with that of the outer soft armor, and the outer soft armor is stably and firmly installed on the outer surface of the shielding layer and the inner surface of the outer protective layer through the fan-shaped grooves.
Preferably, the mounting hole has been seted up to the intermediate position of journal stirrup one end, and when the staff laid the cable, made the staff can be through the mounting hole on the journal stirrup with the stable firm installation of cable on the inner wall in mine hole.
Compared with the prior art, the utility model has the beneficial effects that:
1. this two sheath cables of flexible mineral insulation fire prevention, the surface of inoxidizing coating is provided with the fluorescence paster outside, in the ore deposit hole of comparison dark, maintenance personal is when overhauing, and the light that sends through the fluorescence paster makes maintenance personal can be quick when overhauing find the position that the cable belonged to, avoids maintenance personal need consume a large amount of time on overhauing the cable.
2. This two sheath cables of flexible mineral insulation fire prevention is provided with outer soft armor and interior soft armor in the inside of cable, if the accident that collapses appears in the mine cave, through the outer soft armor and the interior soft armor of the inside setting of cable for flexible mineral insulated cable can bear the heavy pressure of rock, lets the cable in the mine cave inside difficult fracture of the accident that collapses appears, is favorable to stranded personnel in the inside existence of mine cave of collapsing.
Drawings
FIG. 1 is a front view of the present invention.
Fig. 2 is a side view of the present invention.
Figure 3 is a side view of the outer soft armor of the present invention.
In the figure: 1. a wire harness; 2. an inner protective layer; 3. an inner liner layer; 4. a cable core; 5. an insulating layer; 6. a fire barrier layer; 7. inner soft armor; 8. a flame retardant layer; 9. a shielding layer; 10. outer soft armor; 11. an outer protective layer; 12. supporting a lug; 13. a fluorescent patch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, an embodiment of the present invention is shown: a flexible mineral insulation fireproof double-sheath cable comprises a bunch lead 1, an inner protective layer 2 is installed on the outer surface of the bunch lead 1, a through hole is formed in the middle position of one end of the inner protective layer 2, the size of the through hole in the inner protective layer 2 is matched with the size of the bunch lead 1, the bunch lead 1 is stably and firmly installed on the inner protective layer 2 through the through hole by the inner protective layer 2, an inner lining layer 3 is installed on the outer surface of the inner protective layer 2, a cable core 4 is installed inside the inner lining layer 3, a plurality of circular through holes are formed inside the inner lining layer 3 and are arranged with the bunch lead 1 as the center in an equidistant mode, the size of the circular through hole in the inner lining layer 3 is matched with the size of the cable core 4, the cable core 4 is stably and firmly installed on the inner protective layer 2 through the circular through holes, an insulating layer 5 is installed on the outer surface of the inner lining layer 3, and a fireproof layer 6 is installed on the outer surface of the insulating layer 5, one end of the fire-proof layer 6 is provided with a mounting groove, the size of the mounting groove on the fire-proof layer 6 is matched with the size of the inner soft armor 7, the inner soft armor 7 is stably and firmly mounted on the fire-proof layer 6 through the mounting groove, the inner soft armor 7 is mounted inside the fire-proof layer 6, the outer surface of the fire-proof layer 6 is provided with a flame-retardant layer 8, the outer surface of the flame-retardant layer 8 is provided with a shielding layer 9, the outer surface of the shielding layer 9 and the inner surface of the outer protective layer 11 are both provided with fan-shaped grooves, the size of the fan-shaped grooves on the outer surface of the shielding layer 9 and the inner surface of the outer protective layer 11 is matched with the size of the outer soft armor 10, the outer soft armor 10 is stably and firmly mounted on the outer surface of the shielding layer 9 and the inner surface of the outer protective layer 11 through the fan-shaped grooves, the outer surface of the outer soft armor 10 is provided with the outer protective layer 11, the top of the outer surface of the outer protective layer 11 is provided with a support lug 12, the mounting hole has been seted up to the intermediate position of journal stirrup 12 one end, and when the staff laid the cable, made the staff can be through the mounting hole on the journal stirrup 12 with the cable stable firm installation on the inner wall of mine hole, fluorescence paster 13 is all installed to the both sides of 11 surfaces of outer inoxidizing coating.
The working principle is as follows: if the cable is in fault, the fluorescent patch 13 is arranged on the outer surface of the outer protective layer 11, when a maintenance person overhauls the cable, the fluorescent patch 13 emits light to enable the maintenance person to quickly find the position of the cable when the maintenance person overhauls the cable, so that the maintenance person is prevented from consuming a large amount of time when the cable is overhauled, if a mine cave is collapsed, the flexible mineral insulated cable can bear the stress of rocks through the outer soft armor 10 and the inner soft armor 7 which are arranged in the cable, the cable is prevented from being easily broken in the mine cave in which the collapse accident occurs, the trapped person can easily live in the collapsed mine cave, the flame retardant layer 8 is arranged in the cable, if the temperature of the cable is increased due to short circuit, the cable is prevented from being burnt out through the flame retardant layer 8, and the support lug 12 on the outer protective layer 11 is provided with a mounting hole, when the staff lays the cable, make the staff can be through the mounting hole on journal stirrup 12 with the stable firm installation of cable on the inner wall in mine hole.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the utility model are exemplary, but not limiting. The scope of the utility model is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a two sheath cables of flexible mineral insulation fire prevention which characterized in that: comprises a bundle lead (1), an inner protective layer (2) is arranged on the outer surface of the bundle lead (1), the outer surface of the inner protective layer (2) is provided with an inner liner layer (3), a cable core (4) is arranged in the inner liner layer (3), an insulating layer (5) is arranged on the outer surface of the inner liner layer (3), a fireproof layer (6) is arranged on the outer surface of the insulating layer (5), an inner soft armor (7) is arranged inside the fireproof layer (6), a flame retardant layer (8) is arranged on the outer surface of the fireproof layer (6), the outer surface of the flame retardant layer (8) is provided with a shielding layer (9), the outer surface of the shielding layer (9) is provided with an outer soft armor (10), an outer protective layer (11) is arranged on the outer surface of the outer soft armor (10), a support lug (12) is arranged on the top of the outer surface of the outer protective layer (11), and fluorescent patches (13) are arranged on two sides of the outer surface of the outer protective layer (11).
2. The flexible mineral insulated fireproof double-jacketed cable according to claim 1, wherein: the middle position of one end of the inner protective layer (2) is provided with a through hole, and the size of the through hole on the inner protective layer (2) is matched with that of the bundling lead (1).
3. The flexible mineral insulated fireproof double-jacketed cable according to claim 1, wherein: a plurality of circular through holes are formed in the inner liner (3) and are arranged with the beam lead (1) as a center in an equidistant mode, and the size of the circular through holes on the inner liner (3) is matched with that of the cable core (4).
4. The flexible mineral insulated fireproof double-jacketed cable according to claim 1, wherein: and one end of the fireproof layer (6) is provided with an installation groove, and the size of the installation groove on the fireproof layer (6) is matched with that of the inner soft armor (7).
5. The flexible mineral insulated fireproof double-jacketed cable according to claim 1, wherein: fan-shaped grooves are formed in the outer surface of the shielding layer (9) and the inner surface of the outer protective layer (11), and the size of the fan-shaped grooves in the outer surface of the shielding layer (9) and the inner surface of the outer protective layer (11) is matched with the size of the outer soft armor (10).
6. The flexible mineral insulated fireproof double-jacketed cable according to claim 1, wherein: the middle position of one end of the support lug (12) is provided with a mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121769370.3U CN216119592U (en) | 2021-08-01 | 2021-08-01 | Flexible mineral insulation fireproof double-sheath cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121769370.3U CN216119592U (en) | 2021-08-01 | 2021-08-01 | Flexible mineral insulation fireproof double-sheath cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216119592U true CN216119592U (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121769370.3U Active CN216119592U (en) | 2021-08-01 | 2021-08-01 | Flexible mineral insulation fireproof double-sheath cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216119592U (en) |
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2021
- 2021-08-01 CN CN202121769370.3U patent/CN216119592U/en active Active
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