CN212032714U - High anti silica gel power cable that tears - Google Patents
High anti silica gel power cable that tears Download PDFInfo
- Publication number
- CN212032714U CN212032714U CN202020342700.XU CN202020342700U CN212032714U CN 212032714 U CN212032714 U CN 212032714U CN 202020342700 U CN202020342700 U CN 202020342700U CN 212032714 U CN212032714 U CN 212032714U
- Authority
- CN
- China
- Prior art keywords
- resistance
- cable core
- compression
- cable
- buffer
- 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 high resistance tears silica gel power cable, including cable core and cable core inoxidizing coating, the cable core comprises a special-shaped support and three wires, special-shaped support is the "people" style of calligraphy structure of constituteing by the same resistance to compression protection body of three structure, the resistance to compression protection body includes with flat resistance to compression protection sinle silk and the buffering of cladding on resistance to compression protection sinle silk is around the band constitution, resistance to compression protection sinle silk is including the buffer body and the supporter that are located its both ends, evenly be equipped with first packing strip between buffer body and the supporter, the one end that is close to the supporter between every two adjacent resistance to compression protection bodies all is equipped with a wire, the inoxidizing coating includes cable core from interior to exterior in proper order around the covering, high flame retardant coating and high resistance to tearing silicon rubber sheath, it evenly is provided with the second packing strip to lie in the cable core around between, The compression resistance and the tear resistance prolong the service life of the cable.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a high anti silica gel power cable that tears.
Background
Due to the special use environment of the mining cable, the cable is often smashed, bumped and pressed by coal seams and rocks, so that the cable is damaged, and a sheath is broken. If the tearing resistance of the sheath is poor, the crevasses are easy to extend, so that the cable is exposed in an insulation manner, and the service life of the cable is influenced. In MT 818.1-2009, it is definitely specified that the tear strength of the cable sheath material is not lower than 5.0N/mm, and normal use of the mining cable can be ensured by meeting the performance index. The Chinese patent with the publication number of 'CN 103571073B' discloses a high-tear-resistance cable sheath which can well solve the tear resistance of a cable.
However, in the fields of wind power generation, rail transit, aerospace, port machinery, mining machinery, war industry, ships, oil fields and the like, the requirement on the cable is relatively high due to the severe environment, the cable is required to have a long service life, and otherwise, the replacement and maintenance are troublesome; in these fields of use, the cable is required to have high tearing resistance, high flame retardant performance and high pressure resistance, and the existing cable cannot fully meet the use requirements, so the improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high anti problem of tearing silica gel power cable and in order to solve above-mentioned background art and propose.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high resistance tears silica gel power cable, includes cable core and cable core inoxidizing coating, the cable core comprises a special-shaped support and three wires, and special-shaped support is the "people" style of calligraphy structure that the resistance to compression protection body that is the same by three structure is constituteed, the resistance to compression protection body includes with the resistance to compression protection sinle silk of flat and the buffering of cladding on resistance to compression protection sinle silk is constituteed around the band, and resistance to compression protection sinle silk is including the buffer and the supporter that are located its both ends, evenly be equipped with first packing strip between buffer and the supporter, the one end that is close to the supporter between every two adjacent resistance to compression protection bodies all is equipped with a wire, and the one end that every resistance to compression protection body is close to the supporter is less than the distance of every wire and cable core, the distance between buffer and the supporter is greater than the diameter of wire, the cable, High fire-retardant layer and high anti silicon rubber sheath that tears, and be located the cable core and evenly be provided with the second filler strip around between the covering inboard and the cable core.
Preferably, the cushion body is composed of a central line shaft formed by twisting a plurality of air bag bodies with each other and a protective sleeve covering the surface of the central line shaft, and the protective sleeve is made of a nylon material.
Preferably, the buffering wrapping tape is made of an air cushion film material.
Preferably, the support body is a rubber hose which is hollow and sealed at two ends, and the rubber hose is filled with air and is made of nitrile rubber material.
Preferably, the first filler strip is made of a fluororubber material.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) in the utility model, the cable core is composed of a special-shaped support and three wires, and the special-shaped support is a 'herringbone' structure composed of three compression-resistant protectors with the same structure, the compression-resistant protector comprises a flat compression-resistant protection wire core and a buffer wrapping tape coated on the compression-resistant protection wire core, the compression-resistant protection wire core comprises a buffer body and a support body which are positioned at both ends of the compression-resistant protection wire core, a first filling strip is uniformly arranged between the buffer body and the support body, one end of each adjacent two compression-resistant protectors and close to the support body is respectively provided with one wire, the distance between one end of each compression-resistant protector close to the support body and the cable core is less than the distance between each wire and the cable core, the distance between the buffer body and the support body is more than the diameter of the wire, when the cable is subjected to external acting force, the external acting, the lead is prevented from being acted by external force, the function of protecting the lead is achieved, in addition, as the buffer strip is composed of a central line shaft and a protective sleeve coated on the surface of the central line shaft after a plurality of air bag bodies are mutually twisted, part of acting force is counteracted under the buffer action of a plurality of air bags, at the moment, the buffer strip is extruded by the external acting force to move along the other end of the compression-resistant protective body (namely the end where the supporting body is positioned), at the moment, the buffering wrapping tape becomes loose, so that the lead wire contacted with the surface of the buffering wrapping tape slightly moves along the direction vertical to the external acting force (namely along the circumferential direction of the supporting body), thereby further avoiding the lead wire from being subjected to the external acting force, when the external acting force disappears, the buffer body and the lead can be restored to the initial state again, therefore, the pressure resistance of the cable can be improved through the special-shaped support, so that the service life of the cable is prolonged.
(2) The utility model discloses in the cable core inoxidizing coating includes the cable core from interior to exterior in proper order around covering, high flame retardant coating and high anti silicon rubber sheath that tears for the cable has good fire resistance and tear resistance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a wire; 2. a buffer body; 3. buffering a wrapping tape; 4. a support body; 5. a first filler strip; 6. a second filler strip; 7. a cable core wrapping layer; 8. a high flame retardant layer; 9. high tear resistance silicone rubber sheath.
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, the present invention provides an embodiment: the utility model provides a high resistance tears silica gel power cable, includes cable core and cable core inoxidizing coating, the cable core comprises a special-shaped support and three wires 1, and special-shaped support is the "people" style of calligraphy structure that the resistance to compression protection body that is the same by three structure is constituteed, the resistance to compression protection body is including the resistance to compression protection sinle silk with the flat and the buffering of cladding on resistance to compression protection sinle silk is constituteed around band 3, the buffering is made for air cushion membrane material around band 3 for the buffering has nontoxic around band 3, and the texture is light, has elasticity, and the advantage of shock attenuation nature and shock resistance can protect resistance to compression protection body well, and resistance to compression protection sinle silk is including the buffering body 2 and the supporter 4 that are located its both ends, buffering body 2 is by using as central axis and the protective sheath of cladding on the central axis surface after a plurality of gasbag bodies intertwist each, the protective sleeve made of nylon has the advantages of heat resistance, abrasion resistance, self-lubrication, low friction coefficient and flame retardance, the supporting body 4 is a rubber hose with a hollow structure inside and two sealed ends, air is filled inside the rubber hose, the supporting force of the supporting body 4 is improved, the rubber hose is made of nitrile rubber materials, the rubber hose has good heat resistance and abrasion resistance, the first filling strips 5 are uniformly arranged between the buffer body 2 and the supporting body 4, the first filling strips 5 are made of fluororubber materials, the first filling strips 5 have excellent heat resistance, weather resistance and corrosion resistance under certain elasticity, one lead 1 is arranged between every two adjacent compression-resistant protective bodies and one end close to the supporting body 4, and the distance between one end of each compression-resistant protective body close to the supporting body 4 and the cable core is smaller than the distance between each lead 1 and the cable core, when the cable receives external effort, external effort can directly be used in the resistance to compression protection body to avoid wire 1 to receive external effort, played the effect of protection wire 1, the distance between buffer 2 and supporter 4 is greater than the diameter of wire 1, the cable core inoxidizing coating includes cable core from inside to outside in proper order around covering 7, high fire-retardant layer 8 and high resistance to tearing silicon rubber sheath 9, modified ethylene propylene rubber can be selected to the material on high fire-retardant layer 8, has better fire behaviour, in this embodiment, high resistance to tearing silicon rubber sheath 9 be by following material component (by weight): 100 parts of chlorinated polyethylene, 2-5 parts of vulcanizing agent, 1.5-3.5 parts of vulcanization accelerator, 4-10 parts of active agent, 20-30 parts of softening agent, 2-8 parts of processing aid, 4-12 parts of stabilizer, 2.5-5 parts of antioxidant, 6-12 parts of flame retardant, 15-30 parts of white carbon black, 20-35 parts of Qiangwei powder, 10-25 parts of calcium carbonate and 0.5-0.8 part of pigment (a high tear-resistant silicone rubber sheath provided by CN 103571073B can be selected), the tear resistance of the cable can be improved, and second filling strips 6 are uniformly arranged between the inner side of a cable core layer 7 and a cable core, the second filling strips 6 are filling ropes formed by blending glass fibers and carbon fibers, wherein the glass fibers have the advantages of good insulation, strong heat resistance, good corrosion resistance and high mechanical strength, the carbon fiber has the advantages of good high temperature resistance, friction resistance and high strength, so that the filling rope formed by blending the glass fiber and the carbon fiber has the advantages of good high temperature resistance, friction resistance and high strength, when the cable is subjected to external acting force, the friction force between the special-shaped support inside the cable and the lead 1 is reduced, the mechanical strength of the cable can be improved, and the service life of the cable is prolonged.
The working principle is as follows: when the cable receives external acting force, the external acting force is directly applied to the buffer body 2 on the compression-resistant protective body to prevent the lead 1 from being subjected to the external acting force, so that the lead 1 is protected, in addition, as the buffer strip 2 consists of a central line shaft formed by mutually twisting a plurality of air bag bodies and a protective sleeve coated on the surface of the central line shaft, a part of acting force is counteracted under the buffer action of the plurality of air bag bodies, at the moment, the external acting force extrudes the buffer strip 2 to move along the other end of the compression-resistant protective body (namely, one end where the supporting body 4 is positioned), and at the moment, the buffer wrapping tape 3 is loosened to ensure that the lead 1 in surface contact with the buffer wrapping tape 3 slightly moves along the direction vertical to the external acting force (namely, along the circumferential direction of the supporting body 4), thereby further preventing the lead 1 from being subjected to the external acting force, the buffer body 2 and the lead 1 can be restored to the initial state again, so that the pressure resistance of the cable can be improved through the special-shaped support, and the service life of the cable is prolonged.
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 (5)
1. The utility model provides a high anti silica gel power cable that tears, includes cable core and cable core inoxidizing coating, its characterized in that: the cable core is composed of a special-shaped support and three leads (1), the special-shaped support is of a 'herringbone' structure composed of three compression-resistant protective bodies with the same structure, each compression-resistant protective body comprises a flat compression-resistant protective wire core and a buffer wrapping tape (3) wrapping the compression-resistant protective wire core, each compression-resistant protective wire core comprises a buffer body (2) and a supporting body (4) which are positioned at two ends of the compression-resistant protective wire core, first filling strips (5) are uniformly arranged between the buffer bodies (2) and the supporting bodies (4), one end, close to the supporting body (4), of each compression-resistant protective body is provided with one lead (1), the distance between one end, close to the supporting body (4), of each compression-resistant protective body and the cable core is smaller than the distance between each lead (1) and the cable core, and the distance between each buffer body (2) and the supporting body (4) is larger than the diameter of each, the cable core protective layer comprises a cable core wrapping layer (7), a high flame-retardant layer (8) and a high-tear-resistance silicone rubber sheath (9) from inside to outside in sequence, and is located between the inner side of the cable core wrapping layer (7) and the cable core, and second filling strips (6) are evenly arranged between the inner side of the cable core wrapping layer and the cable core.
2. The high tear-resistant silicone power cable of claim 1, wherein: the buffer body (2) is composed of a central line shaft and a protective sleeve coated on the surface of the central line shaft after a plurality of air bag bodies are mutually twisted, and the protective sleeve is made of a nylon material.
3. The high tear-resistant silicone power cable of claim 1, wherein: the buffer wrapping tape (3) is made of an air cushion film material.
4. The high tear-resistant silicone power cable of claim 1, wherein: the supporting body (4) is a rubber hose which is hollow and sealed at two ends, air is filled in the rubber hose, and the rubber hose is made of nitrile rubber materials.
5. The high tear-resistant silicone power cable of claim 1, wherein: the first filling strip (5) is made of a fluororubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020342700.XU CN212032714U (en) | 2020-03-18 | 2020-03-18 | High anti silica gel power cable that tears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020342700.XU CN212032714U (en) | 2020-03-18 | 2020-03-18 | High anti silica gel power cable that tears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212032714U true CN212032714U (en) | 2020-11-27 |
Family
ID=73484137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020342700.XU Active CN212032714U (en) | 2020-03-18 | 2020-03-18 | High anti silica gel power cable that tears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212032714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161068A (en) * | 2021-03-21 | 2021-07-23 | 安徽纵横高科电缆股份有限公司 | Tearable double-core locomotive cable |
| CN113299433A (en) * | 2021-05-28 | 2021-08-24 | 成都盛世京缆电缆有限公司 | Steel wire rope composite cable |
-
2020
- 2020-03-18 CN CN202020342700.XU patent/CN212032714U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161068A (en) * | 2021-03-21 | 2021-07-23 | 安徽纵横高科电缆股份有限公司 | Tearable double-core locomotive cable |
| CN113161068B (en) * | 2021-03-21 | 2024-01-30 | 安徽纵横高科电缆股份有限公司 | Tearable double-core locomotive cable |
| CN113299433A (en) * | 2021-05-28 | 2021-08-24 | 成都盛世京缆电缆有限公司 | Steel wire rope composite cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212032714U (en) | High anti silica gel power cable that tears | |
| CN111190257A (en) | Indoor and outdoor dual-purpose optical cable | |
| CN214847853U (en) | Fire-resistant power cable | |
| CN207009098U (en) | A kind of charging pile cable | |
| CN210896707U (en) | Stretch-proof flame-retardant water-blocking cable | |
| CN112489867B (en) | Insulating flexible cable that tensile strength is high | |
| CN213519362U (en) | Low-smoke halogen-free flame-retardant fire-resistant medium-voltage power cable | |
| CN211016605U (en) | Composite flexible fireproof cable | |
| CN211955938U (en) | Tensile and wear-resistant optical cable | |
| CN212847846U (en) | 66kV and above high buffering antidetonation power cable | |
| CN213183670U (en) | Wear-resisting cable | |
| CN220672280U (en) | Copper core crosslinked polyethylene insulated corrugated aluminum sleeve polyethylene sheath power cable | |
| CN211857020U (en) | Device for preventing optical cable from being worn | |
| CN221057174U (en) | Wind energy torsion-resistant five-class aluminum alloy conductor flexible cable | |
| CN219534117U (en) | Wear-resisting waterproof cable | |
| CN214752998U (en) | Flexible fireproof cable | |
| CN217426415U (en) | Long-distance extrusion-resistant anti-cracking medium-voltage cable | |
| CN218918478U (en) | Novel inorganic fireproof flame-retardant cable | |
| CN221079662U (en) | Anti-tearing high-voltage cable with good effect for industrial power distribution | |
| CN220189280U (en) | Compression-resistant wear-resistant cable | |
| CN213459135U (en) | Wear-resisting cable | |
| CN208126889U (en) | A kind of high-performance adverse environment resistant robot body feed cable | |
| CN213123846U (en) | Cable with fire-retardant fireproof effect | |
| CN220933812U (en) | PE sheath material for high-strength cable | |
| CN218548038U (en) | Bundling fireproof special cable for security and protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |