CN217506960U - High-temperature-resistant and abrasion-resistant mining flame-retardant control cable - Google Patents
High-temperature-resistant and abrasion-resistant mining flame-retardant control cable Download PDFInfo
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- CN217506960U CN217506960U CN202220961757.7U CN202220961757U CN217506960U CN 217506960 U CN217506960 U CN 217506960U CN 202220961757 U CN202220961757 U CN 202220961757U CN 217506960 U CN217506960 U CN 217506960U
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Abstract
The utility model provides a mining fire-retardant control cable of high temperature resistant abrasionproof, including wear-resisting strip, wear-resisting strip's inboard is provided with the oversheath, and the inboard of oversheath is provided with two steel band armoring layers, the inboard of two steel band armoring layers is provided with the inner liner, and the inboard of inner liner is provided with the aluminium sheath, the inboard of aluminium sheath is provided with fire-retardant insulating layer, and the inboard of fire-retardant insulating layer is provided with the mica tape, the inboard of mica tape is provided with interior strut, and the outside of interior strut is provided with the cable core to the outside of cable core is provided with the packing rubber granules. The utility model provides a current mining cable arrange the in-process in the pit easily by the wearing and tearing scratch, and the inside cable core of cable receives external force action looks friction, leads to the problem of cable core damage.
Description
Technical Field
The utility model relates to the technical field of cables, concretely relates to mining fire-retardant control cable of high temperature resistant abrasionproof.
Background
Cables are typically formed by twisting several or groups of at least two conductors, each group insulated from each other and often twisted around a center, with a highly insulating covering over the entire circumference. The cable has the characteristics of internal electrification and external insulation. 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. The flame-retardant high-temperature-resistant cable is a cable which is characterized in that a test sample is burnt under a specified test condition, after a test fire source is removed, the flame spread is only in a limited range, and residual flame or residual ignition can be automatically extinguished within a limited time. The basic characteristic is that the fire extinguishing agent can be burnt out and cannot operate in case of fire, but can prevent the fire from spreading. In common, in case of fire, the electric wire can limit the combustion within a local range, does not spread, keeps other various equipment and avoids causing larger loss.
However, the existing mining cable is special in use environment, and is used in the cable pulling wire arrangement process. The mine rock wall easily abrades and scratches the outer protective sleeve of the cable, the existing cable cores are gathered together and are extruded by external force to generate friction inside, and the cable cores are damaged.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, a high-temperature-resistant and abrasion-resistant mine flame-retardant control cable is provided so as to solve the problems that the existing mine cable is easily abraded and scratched in the underground arrangement process, and cable cores in the cable are subjected to mutual friction under the action of external force to cause damage to the cable cores.
In order to realize the above-mentioned purpose, provide a mining fire-retardant control cable of high temperature resistant abrasionproof, include:
the inboard of wear-resisting strip is provided with the oversheath, and the inboard of oversheath is provided with two steel band armor, the inboard of two steel band armor is provided with the inner liner, and the inboard of inner liner is provided with the aluminium sheath, the inboard of aluminium sheath is provided with fire-retardant insulating layer, and the inboard of fire-retardant insulating layer is provided with the mica tape, the inboard of mica tape is provided with interior strut, and the outside of interior strut is provided with the cable core to the outside of cable core is provided with the packing rubber granule.
Furthermore, the wear-resistant strips comprise an inner rubber base layer and an outer sand layer, the longitudinal section of the rubber base layer is of a semicircular structure, and the wear-resistant strips are annularly arranged on the surface of the outer sheath end to end.
Furthermore, the wear-resistant strip is fixedly bonded with the outer sheath through the inner side rubber base layer, the rubber base layer is made of butadiene acrylonitrile rubber, the sand layer is made of carborundum, and carborundum particles cover and are embedded on the surface of the butadiene acrylonitrile rubber.
Further, the inner support frame is of a cross integral structure, the outer side of the cross point is provided with an isolation groove, and rubber particles are filled inside the isolation groove.
Furthermore, the filling rubber particles are arranged to be silicon rubber spheres with hollow interiors, and the inner support frame is of a crossed plate-shaped structure made of silicon rubber.
Furthermore, the outside of cable core is provided with polyvinyl chloride leather sheath layer, and the inside parcel of leather sheath has the copper heart yearn.
The beneficial effects of the utility model are that, the high temperature resistant and abrasion resistant mine flame-retardant control cable of the utility model utilizes the sand grain layer and the rubber base layer which are included by the abrasion resistant strips, so that the abrasion resistance of the cable outer sheath is increased by the emery and the nitrile rubber, and further the cable is not easy to be damaged by abrasion and scratch of the mine rock wall in the stay wire arrangement construction process; the inner cable cores are arranged in a differentiated mode by the aid of the inner support frame structure, when the cable cores are extruded by external force, the cable cores are well buffered and pressure-resistant through filled rubber particles in the differentiated space and the inner support frame made of silicon rubber, and creep spaces are formed by the filled rubber particles around the cable cores, so that the cable cores are protected conveniently; the flame-retardant heat-insulating layer is used for preventing the fire spread in the cable core and has an isolation effect on the external mine environment temperature.
Drawings
Fig. 1 is a schematic diagram of a cable profile structure according to an embodiment of the present invention.
Fig. 2 is the utility model discloses interior strut and cable core arrangement schematic diagram.
Fig. 3 is a schematic cross-sectional view of a wear strip according to an embodiment of the present invention.
1. Wear resistant strips; 11. a sand layer; 12. a rubber base layer; 2. an outer sheath; 3. a double steel tape armor layer; 4. an inner liner layer; 5. an aluminum sheath; 6. a flame-retardant heat-insulating layer; 7. mica tapes; 8. an inner bracket; 81. an isolation trench; 9. a cable core; 10. and filling rubber particles.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
Fig. 1 is the utility model discloses cable section structure schematic diagram, fig. 2 are the utility model discloses the interior strut is arranged the schematic diagram with the cable core, fig. 3 is the utility model discloses wear-resisting strip section schematic diagram of embodiment.
Referring to fig. 1 to 3, the utility model provides a high temperature resistant abrasionproof is mining fire-retardant control cable, include: the cable comprises a wear-resistant strip 1, an outer sheath 2, a double-steel-tape armor layer 3, an inner liner layer 4, an aluminum sheath 5, a flame-retardant heat-insulating layer 6, a mica tape 7, an inner support frame 8, a cable core 9 and filling rubber particles 10.
Specifically, the inboard of wear strip 1 is provided with oversheath 2, and the inboard of oversheath 2 is provided with two steel band armor 3, the inboard of two steel band armor 3 is provided with inner liner 4, and the inboard of inner liner 4 is provided with aluminium sheath 5, the inboard of aluminium sheath 5 is provided with fire-retardant insulating layer 6, and the inboard of fire-retardant insulating layer 6 is provided with mica tape 7, the inboard of mica tape 7 is provided with inner strut 8, and the outside of inner strut 8 is provided with cable core 9, and the outside of cable core 9 is provided with packing rubber granule 10.
In the present embodiment, the wear resistant strip 1, the outer sheath 2, and the inner multilayer structure constitute the cable main body of the present embodiment.
The double steel strip armor layer 3 and the aluminum sheath 5 strengthen the internal structural strength of the cable.
The flame-retardant heat-insulating layer 6 is formed by compounding asbestos fiber and refractory mesh cloth, and the surface of the flame-retardant heat-insulating layer is sprayed with flame retardant coating.
The wear-resistant strip 1 comprises an inner rubber base layer 12 and an outer sand layer 11, the longitudinal section of the rubber base layer 12 is of a semicircular structure, and the wear-resistant strip 1 is annularly arranged on the surface of the outer sheath 2 in an end-to-end mode.
In this embodiment, the sand layer 11 has a convex touch on the surface of the rubber substrate 12, and there are connection gaps between the wear strips 1, so that the wear strips 1 are in a concave-convex filling state after a plurality of cables are bound, and the sand layer has high stability and is convenient to transport, arrange and install.
Wear-resisting strip 1 bonds fixedly through inboard rubber base 12 and oversheath 2, and rubber base 12 sets up to the butadiene acrylonitrile rubber material to emery particle layer 11 sets up to the carborundum material, and the carborundum granule covers inlays on the surface of butadiene acrylonitrile rubber.
In the embodiment, the carborundum and the nitrile rubber have high wear resistance, and the carborundum can be embedded with the nitrile rubber in a molten state on the surface of the nitrile rubber, so that the outer sheath 2 is protected from being directly worn by the mine rock wall.
The inner bracket 8 is arranged into a cross integral structure, the outer side of the cross point is arranged into an isolation groove 81, and the filling rubber particles 10 are filled in the isolation groove 81.
In this embodiment, the inner bracket 8 has the effect of isolating and insulating a plurality of groups of cable cores 9 inside.
The filling rubber particles 10 are arranged into a silicon rubber sphere with a hollow inner part, and the inner support 8 is arranged into a crossed plate-shaped structure made of silicon rubber.
In this embodiment, the filled rubber particles 10 and the inner support 8 are made of the same material and have certain flame retardancy, and the spherical structure of the filled rubber particles 10 enables the cable core 9 to obtain the compression-resistant buffering capacity.
The outer side of the cable core 9 is provided with a polyvinyl chloride leather sheath layer, and the leather sheath is wrapped with a copper core wire.
The utility model discloses a high temperature resistant abrasionproof mining fire-retardant control cable can effectively solve current mining cable and be easily worn the scratch by the wearing and tearing in arranging the process in the pit, and the cable core receives external force to rub each other in the cable, leads to the problem of cable core damage, utilizes the grit layer and the rubber substrate that wear-resisting strip includes, makes to increase the wear resistance of cable oversheath through diamond dust and butadiene acrylonitrile rubber, and then in the construction process is arranged to the acting as go-between, is difficult to be worn the scratch by mine cliff and leads to the damage; the inner cable cores are arranged in a differentiated mode by the aid of the inner support frame structure, when the cable cores are extruded by external force, the cable cores are well buffered and pressure-resistant through filled rubber particles in the differentiated space and the inner support frame made of silicon rubber, and creep spaces are formed by the filled rubber particles around the cable cores, so that the cable cores are protected conveniently; the flame-retardant heat-insulating layer is used for preventing the fire spread in the cable core and has an isolation effect on the external mine environment temperature.
Claims (6)
1. The utility model provides a mining fire-retardant control cable of high temperature resistant abrasionproof which characterized in that includes: wear-resisting strip (1), the inboard of wear-resisting strip (1) is provided with oversheath (2), and the inboard of oversheath (2) is provided with two steel band armor (3), the inboard of two steel band armor (3) is provided with inner liner (4), and the inboard of inner liner (4) is provided with aluminum sheath (5), the inboard of aluminum sheath (5) is provided with fire-retardant insulating layer (6), and the inboard of fire-retardant insulating layer (6) is provided with mica tape (7), the inboard of mica tape (7) is provided with inner strut (8), and the outside of inner strut (8) is provided with cable core (9) to the outside of cable core (9) is provided with fills rubber granule (10).
2. The mining flame-retardant control cable with high temperature resistance and abrasion resistance according to claim 1, characterized in that the wear-resistant strip (1) is provided with an inner rubber substrate (12) and an outer sand particle layer (11), the longitudinal section of the rubber substrate (12) is in a semicircular structure, and the wear-resistant strip (1) is annularly arranged end to end on the surface of the outer sheath (2).
3. The mining flame-retardant control cable with the characteristics of high temperature resistance and abrasion resistance according to claim 1, wherein the abrasion-resistant strip (1) is fixedly bonded with the outer sheath (2) through an inner rubber base layer (12), the rubber base layer (12) is made of butadiene acrylonitrile rubber, the emery particle layer (11) is made of emery particles, and the emery particles cover and are embedded on the surface of the butadiene acrylonitrile rubber.
4. The mining flame-retardant control cable resistant to high temperature and abrasion according to claim 1, wherein the inner support frame (8) is arranged in a crisscross integral structure, the outer side of the crisscross point is provided with an isolation groove (81), and the filling rubber particles (10) are filled in the isolation groove (81).
5. The mining flame-retardant control cable with high temperature resistance and abrasion resistance according to claim 1, wherein the filling rubber particles (10) are arranged into silicon rubber spheres with hollow interiors, and the inner support frame (8) is arranged into a crossed plate-shaped structure made of silicon rubber.
6. The mining flame-retardant control cable with the characteristics of high temperature resistance and wear resistance as claimed in claim 1, wherein a polyvinyl chloride sheath layer is arranged on the outer side of the cable core (9), and a copper core wire is wrapped inside the sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961757.7U CN217506960U (en) | 2022-04-25 | 2022-04-25 | High-temperature-resistant and abrasion-resistant mining flame-retardant control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220961757.7U CN217506960U (en) | 2022-04-25 | 2022-04-25 | High-temperature-resistant and abrasion-resistant mining flame-retardant control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217506960U true CN217506960U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220961757.7U Active CN217506960U (en) | 2022-04-25 | 2022-04-25 | High-temperature-resistant and abrasion-resistant mining flame-retardant control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217506960U (en) |
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2022
- 2022-04-25 CN CN202220961757.7U patent/CN217506960U/en active Active
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