CN214203246U - Resistance to compression cold-resistant cable - Google Patents
Resistance to compression cold-resistant cable Download PDFInfo
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- CN214203246U CN214203246U CN202120322489.XU CN202120322489U CN214203246U CN 214203246 U CN214203246 U CN 214203246U CN 202120322489 U CN202120322489 U CN 202120322489U CN 214203246 U CN214203246 U CN 214203246U
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Abstract
The utility model belongs to the technical field of the technique of cable and specifically relates to a cold-resistant cable of resistance to compression is related to, it includes the elasticity stem, a plurality of arrangement grooves have been seted up along self axial to the outer column wall of elasticity stem, a plurality of arrangement grooves set up along elasticity stem circumference, the arrangement inslot is provided with the cable core, the outside cladding of cable core has first insulation cover, the cover wall cladding that first insulation cover deviates from the arrangement groove has the heat-conducting layer, elasticity stem outside cover is equipped with the insulating cover of second, the outside of the insulating cover of second is provided with a plurality of resistance to compression parts along the axial of elasticity stem, a plurality of resistance to compression parts and arrangement groove one-to-one, the insulating cover of second is located a plurality of resistance to compression parts outside cover and is equipped with cold-resistant inoxidizing coating, it has the thermal insulation to strengthen the filling layer to fill between cold-resistant inoxidizing coating and the insulating cover of second. This application has the effect that improves cable cold environment and uses adaptability, improves cable freezing resistance ability and anti extrusion ability.
Description
Technical Field
The application relates to the technical field of cables, in particular to a compression-resistant and cold-resistant cable.
Background
Wire and cable are wire products used to transmit electric energy, information and to realize electromagnetic energy conversion. With the rapid development of society, more and more places need to be laid with cables, and the demand of cables is gradually increased.
The temperature difference in different areas is great, and especially some cold areas, the cable of laying receive outside microthermal influence, and the cable core outside protective layer is easy to be crossed fragilely because of the temperature is low excessively, and then causes the cable core to expose, suffer from frostbite, seriously reduces the electric power of cable, signal transmission ability, shortens cable life.
SUMMERY OF THE UTILITY MODEL
In order to improve cable cold environment and use adaptability, improve cable freeze resistance, this application provides a cold-resistant cable of resistance to compression.
The application provides a cold-resistant cable of resistance to compression adopts following technical scheme:
the utility model provides a cold-resistant cable of resistance to compression, includes the elasticity stem, a plurality of arrangement grooves have been seted up along self axial to the outer column wall of elasticity stem, and is a plurality of the arrangement groove is followed elasticity stem circumference sets up, just be provided with the cable core in the arrangement groove, the outside cladding of cable core has first insulating cover, just first insulating cover deviates from the wall cladding of arrangement groove has the heat-conducting layer, elasticity stem outside cover is equipped with the insulating cover of second, the outside of the insulating cover of second is followed the axial of elasticity stem is provided with a plurality of resistance to compression parts, and is a plurality of resistance to compression parts with the arrangement groove one-to-one, the insulating cover of second is located a plurality of resistance to compression parts outside cover is equipped with cold-resistant inoxidizing coating, just cold-resistant inoxidizing coating with it has the thermal insulation to strengthen the filling layer to fill between the insulating cover of second.
By adopting the technical scheme, the cable core is wrapped and placed in the placing groove in an insulating mode through the first insulating sleeve, the heat conducting layer is sequentially arranged, the compression-resistant component is arranged outside the second insulating sleeve and is wrapped on the second insulating sleeve and is arranged at each cable core placing position, the cold-resistant protective layer is wrapped outside the second insulating sleeve and fills the heat-insulating reinforced filling layer between the cold-resistant protective layer and the second insulating sleeve, the placing groove is favorable for stably attaching the cable core and the first insulating sleeve to the elastic core column, the elastic core column provides elastic buffering effect when being matched with the compression-resistant component to extrude the cable core through external extrusion force, the protection on the cable core is improved, the cold-resistant protective layer provides anti-freezing protection for the inside of the cable core, the heat-insulating reinforced filling layer is matched to further improve the internal heat-insulating effect of the second insulating sleeve, and the use adaptability of the cable core in a low-temperature area is improved.
Optionally, the heat conducting layer is a heat conducting silicone layer coated on the outer side of the first insulating sleeve.
By adopting the technical scheme, the heat-conducting silicone grease has the performances of high heat conduction, insulation and high and low temperature resistance, is favorable for timely conducting heat dissipated by the cable core and the first insulating layer, reduces the problem of cable core accumulated heat warming inside the first insulating layer, and improves the protection of the cable core.
Optionally, a first glass fiber filler is filled between adjacent cable cores in the second insulating sleeve.
By adopting the technical scheme, the first glass fiber filler has good tensile strength, insulating property and corrosion resistance, the structural strength of the whole cable is improved, and the protection of the cable core is realized.
Optionally, the compression-resistant component is a polyurethane elastomer, and the heat-insulating reinforced filling layer is a second glass fiber filler.
Through adopting above-mentioned technical scheme, polyurethane elastomer has that elasticity is good, high strength, high tenacity, resistant high low temperature characteristics, cooperates the spacing filler of second glass to further strengthen cable overall structure intensity and elasticity compressive capacity, improves the protection to inside cable core.
Optionally, the cold-resistant protective layer is a styrene butadiene rubber protective sleeve.
By adopting the technical scheme, the styrene butadiene rubber material has good wear-resisting and cold-resisting performances, is favorable for keeping the tensile strength and the tearing strength of the styrene butadiene rubber material when used in cold regions, and improves the protection of internal cable cores.
Optionally, a groove wall of the installation groove is coated with a silica gel adhesive.
Through adopting above-mentioned technical scheme, the silica gel adhesive is favorable to strengthening the stability of being connected of first insulating layer and elasticity post, improves the stability that first insulating layer and cable core were arranged in the arrangement groove under the effect of outside extrusion force.
Optionally, the inner wall of the styrene butadiene rubber protective sleeve is provided with a glass fiber net sleeve.
The inner side of the styrene butadiene rubber protective sleeve is coated with a triethyl phosphate layer.
By adopting the technical scheme, when the cable is fired by open fire, the triethyl phosphate layer is used as an effective flame retardant, smoke and toxicity are not generated in the combustion, and metaphosphoric acid generated by the combustion is polymerized and covered on the second glass fiber filler, so that the oxygen and combustible materials are isolated, and the protection of the cable core is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arrangement groove is beneficial to the stable attachment of the cable core and the first insulating sleeve on the elastic core column, the elastic core column is matched with the compression-resistant component to provide an elastic buffering effect when external extrusion force extrudes the cable core, the protection of the cable core is improved, the cold-resistant protective layer provides anti-freezing protection for the inner part of the elastic core column, the heat-insulating effect of the inner part of the second insulating sleeve is further improved by being matched with the heat-insulating reinforced filling layer, and the use adaptability of the cable core in a low-temperature area is improved;
2. the first glass fiber filler has good tensile strength, insulating property and corrosion resistance, and improves the structural strength of the whole cable and protects the cable core;
3. when the cable is burnt by naked fire, the triethyl phosphate layer is used as an effective flame retardant, smoke and toxicity are not generated in the combustion, and metaphosphoric acid generated by the combustion is polymerized and covered on the second glass fiber filler, so that the effects of isolating oxygen and combustible substances are achieved, and the protection of the cable core is improved.
Drawings
Fig. 1 is a cross-sectional view for embodying the overall layer structure of a cable in the embodiment of the present application.
Fig. 2 is a schematic cross-sectional structure diagram for embodying the elastic core column, the cable core, the first insulating jacket, the heat conductive silicone layer and the silicone adhesive in the embodiment of the present application.
Fig. 3 is a schematic cross-sectional view of an embodiment of the present application showing a polyurethane elastomer, a glass fiber mat, and a triethyl phosphate layer.
Reference number legend, 1, resilient stem; 11. a placing groove; 12. a silica gel binder; 2. a cable core; 21. a first insulating sleeve; 22. a thermally conductive silicone layer; 3. a second insulating sleeve; 4. a first glass fiber filler; 5. a polyurethane elastomer; 6. a styrene butadiene rubber protective sleeve; 7. a second glass fiber filler; 8. a fiberglass mesh sleeve; 9. a layer of triethyl phosphate.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses resistance to compression cold-resistant cable. Referring to fig. 1 and 2, a compression-resistant and cold-resistant cable includes an elastic core column 1, the elastic core column 1 is used as a base body, a plurality of installation grooves 11 are formed in an outer wall of the elastic core column 1 along an axial direction of the elastic core column 1, in the embodiment of the present invention, three installation grooves 11 are used as an example, the three installation grooves 11 are uniformly arranged along a circumferential direction of an end surface of the elastic core column 1, a cable core 2 is arranged in the installation groove 11 along an extending direction of the elastic core column, a first insulating sleeve 21 is coated on an outer side of the cable core 2, a heat conducting layer is coated on a sleeve wall of the first insulating sleeve 21 away from the installation groove 11, a second insulating sleeve 3 is sleeved on an outer side of the elastic core column 1, a first glass fiber filler 4 is filled between the second insulating sleeve 3 and the outer side of the elastic core column 1, compression-resistant components are arranged on an outer side of the second insulating sleeve 3 along the axial direction of the elastic core column 1, the compression-resistant components are arranged in three and are in one-to-one correspondence with the three installation grooves 11, the compression-to-one-to, the outer side sleeve of the second insulating sleeve 3 is provided with a cold-resistant protective layer, the cold-resistant protective layer covers the three compression-resistant components, and a heat-insulating reinforced filling layer is filled between the cold-resistant protective layer and the second insulating sleeve 3.
The first insulating sleeve 21 and the second insulating sleeve 3 can be made of materials such as polyethylene, polyvinyl chloride and the like, the cable core 2 is insulated and coated by the first insulating sleeve 21 and is placed in the placement groove 11, the heat conduction layer, the second insulating sleeve 3 and the first glass fiber filler 4 are sequentially arranged, the compression-resistant component is arranged on the outer side of the second insulating sleeve 3 corresponding to the placement position of each cable core 2, finally, the cold-resistant protective layer is coated on the outer side of the second insulating sleeve 3, the heat-insulating reinforced filling layer is filled between the cold-resistant protective layer and the second insulating sleeve 3, the placement groove 11 is beneficial to stably attaching the cable core 2 and the first insulating sleeve 21 to the elastic core column 1, the elastic core column 1 is matched with the compression-resistant component to provide elastic buffer effect when the cable core 2 is extruded by external extrusion force, the cold-resistant protective layer provides anti-freezing protection for the inner part of the cable core 2, and is matched with the heat-insulating reinforced filling layer to further improve the internal heat-insulating effect of the second insulating sleeve 3, the use adaptability of the cable core 2 in a low-temperature area is improved, the first glass fiber filler 4 has good tensile strength, insulating property and corrosion resistance, the structural strength of the whole cable is improved, and the cable core 2 is protected.
Referring to fig. 1 and 2, the compression-resistant component is set as a polyurethane elastomer 5, the heat-insulating reinforced filling layer is set as a second glass fiber filler 7, the wall of the installation groove 11 is coated with a silica gel adhesive 12, and the heat-conducting layer is set as a heat-conducting silicone layer 22 coated on the outer side of the first insulating sleeve 21; polyurethane elastomer 5 has the characteristics that elasticity is good, high strength, high toughness, high and low temperature resistance, cooperation second glass spacing filler further strengthens cable overall structure intensity and elasticity compressive capacity, improve the protection to inside cable core 2, silica gel adhesive 12 is favorable to strengthening the stability of being connected of first insulation layer and elasticity stem 1, improve the stability that place inslot 11 is arranged in to first insulation layer and cable core 2 under the effect of outside extrusion force, heat conduction silicone grease has high heat conduction, insulating and high and low temperature resistance performance, be favorable to in time conducting the heat that cable core 2 and first insulation layer dissipate, reduce the problem of 2 accumulated heat intensifications of the inside cable core of first insulation layer, improve the protection to cable core 2.
Referring to fig. 1 and 3, the cold-resistant protective layer is a styrene butadiene rubber protective sleeve 6, a layer of glass fiber mesh 8 is arranged on the inner wall of the styrene butadiene rubber protective sleeve 6, and a triethyl phosphate layer 9 is coated on the inner side of the styrene butadiene rubber protective sleeve 6, which is positioned on the inner side of the glass fiber mesh 8; the styrene butadiene rubber material has good wear-resisting and cold-resisting properties, is favorable for keeping the tensile strength and the tearing strength of the styrene butadiene rubber material when being used in cold regions, improves the protection of the inner cable core 2, has no smoke and no toxicity in combustion when being burnt by open fire, generates metaphosphoric acid polymerization to cover the second glass fiber filler 7 when being combusted, plays a role in isolating oxygen and combustible substances, and improves the protection of the cable core 2.
The implementation principle of the pressure-resistant and cold-resistant cable in the embodiment of the application is as follows: coating a silica gel adhesive 12 in a mounting groove 11 in advance, placing a cable core 2 into a corresponding mounting groove 11 after being coated by a first insulating sleeve 21 and bonding the silica gel adhesive 12, coating a heat-conducting silicone layer 22 on the outer side of the first insulating sleeve 21 in sequence, coating a second insulating sleeve 3 and filling a first glass fiber filler 4 between the second insulating sleeve 3 and an elastic core column 1, arranging a polyurethane elastomer 5 on the outer side of the second insulating sleeve 3 corresponding to the mounting position of each cable core 2, pre-coating a glass fiber mesh sleeve 8 on the inner side of a styrene-butadiene rubber protective sleeve 6, coating the styrene-butadiene rubber protective sleeve 6 on the outer side of the second insulating sleeve 3, coating a triethyl phosphate layer 9 on the inner side of the glass fiber mesh sleeve 8, and filling a second glass fiber filler 7 between the triethyl phosphate layer 9 and the second insulating sleeve 3 to form a whole.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a cold-resistant cable of resistance to compression which characterized in that: comprises an elastic core column (1), the outer column wall of the elastic core column (1) is provided with a plurality of placing grooves (11) along the self axial direction, the placing grooves (11) are arranged along the circumferential direction of the elastic core column (1), a cable core (2) is arranged in the placing groove (11), a first insulating sleeve (21) is coated on the outer side of the cable core (2), and the sleeve wall of the first insulating sleeve (21) departing from the placing groove (11) is coated with a heat conducting layer, a second insulating sleeve (3) is sleeved on the outer side of the elastic core column (1), a plurality of pressure-resistant components are arranged on the outer side of the second insulating sleeve (3) along the axial direction of the elastic core column (1), the plurality of compression-resistant components are in one-to-one correspondence with the placing grooves (11), the second insulating sleeve (3) is sleeved with a cold-resistant protective layer at the outer side of the plurality of compression-resistant components, and a heat-insulating reinforced filling layer is filled between the cold-resistant protective layer and the second insulating sleeve (3).
2. The pressure-resistant and cold-resistant cable according to claim 1, wherein: the heat conducting layer is arranged as a heat conducting silicone layer (22) coated on the outer side of the first insulating sleeve (21).
3. The pressure-resistant and cold-resistant cable according to claim 2, wherein: and a first glass fiber filler (4) is filled between every two adjacent cable cores (2) in the second insulating sleeve (3).
4. The pressure-resistant and cold-resistant cable according to claim 2, wherein: the compression-resistant component is set to be a polyurethane elastomer (5), and the heat-preservation reinforced filling layer is set to be a second glass fiber filler (7).
5. The pressure-resistant and cold-resistant cable according to claim 4, wherein: the cold-resistant protective layer is a styrene butadiene rubber protective sleeve (6).
6. The pressure-resistant and cold-resistant cable according to claim 4, wherein: the wall of the placing groove (11) is coated with a silica gel adhesive (12).
7. The pressure-resistant and cold-resistant cable according to claim 5, wherein: the inner wall of the styrene butadiene rubber protective sleeve (6) is provided with a glass fiber net sleeve (8).
8. The pressure-resistant and cold-resistant cable according to claim 7, wherein: the inner side of the styrene butadiene rubber protective sleeve (6) is coated with a triethyl phosphate layer (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120322489.XU CN214203246U (en) | 2021-02-04 | 2021-02-04 | Resistance to compression cold-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120322489.XU CN214203246U (en) | 2021-02-04 | 2021-02-04 | Resistance to compression cold-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214203246U true CN214203246U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120322489.XU Active CN214203246U (en) | 2021-02-04 | 2021-02-04 | Resistance to compression cold-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214203246U (en) |
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2021
- 2021-02-04 CN CN202120322489.XU patent/CN214203246U/en active Active
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