CN217361199U - Fire-resistant cable with strong corrosion resistance - Google Patents

Fire-resistant cable with strong corrosion resistance Download PDF

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Publication number
CN217361199U
CN217361199U CN202220810550.XU CN202220810550U CN217361199U CN 217361199 U CN217361199 U CN 217361199U CN 202220810550 U CN202220810550 U CN 202220810550U CN 217361199 U CN217361199 U CN 217361199U
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China
Prior art keywords
heat insulation
elasticity
wire
cover
layer
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CN202220810550.XU
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Inventor
陈晓华
徐如雅
吴海永
龚远芳
王建灿
黄俊鑫
杨昌明
陈林
龚胜
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Zhejiang Changtai Power Cable Co ltd
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Zhejiang Changtai Power Cable Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The utility model discloses a fire-resistant cable with strong corrosion resistance, which relates to the technical field of cables and comprises an elastic outer wire sleeve, an elastic inner wire sleeve, an insulating layer and a reinforcing steel wire, wherein the elastic inner wire sleeve is sleeved on an outer surface layer of a metal wire core, the insulating layer is sleeved on the outer surface layer of the elastic inner wire sleeve, the fireproof layer is arranged on the outer surface layer of the insulating layer, the elastic outer wire sleeve is arranged on the outer surface layer of the fireproof layer, the reinforcing steel wire is arranged between the elastic outer wire sleeve and the fireproof layer and along the direction of the elastic outer wire sleeve, and the reinforcing steel wire mutually surrounds into a circular ring shape; utilize supporting washer and elasticity outside line cover to be the TPU material and make, direct and external contact, acid and alkali corrosion resistance, elasticity is high, and mechanical toughness is good, has certain withstand voltage effect, utilizes between elasticity outside line cover and the flame retardant coating and is provided with the enhancement steel wire along elasticity outside line cover direction, strengthens the steel wire and encloses into the ring form each other, makes the cable conductor have stretch-proofing effect, and difficult fracture improves the life of the line body.

Description

Fire-resistant cable with strong corrosion resistance
Technical Field
The utility model relates to a cable conductor technical field, in particular to anticorrosive strong fire resisting cable.
Background
Typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, with the conductors of each group being insulated from one another and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a ship cable, a mine cable, an 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.
The conventional cable has the following disadvantages: 1. the cable has an unobvious fireproof effect, does not have a corrosion-resistant effect, has a poor tensile effect and is easy to break. Accordingly, those skilled in the art have provided a fire-resistant cable having high corrosion resistance to solve the problems set forth in the background art as described above.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a fire-resistant cable with high corrosion resistance to solve the above problems in the background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a fire-resistant cable that anticorrosive strong, includes metal core, elasticity outer wire cover, elasticity inner wire cover, insulating layer and enhancement steel wire, metal core's extexine cover is equipped with elasticity inner wire cover, the extexine cover of elasticity inner wire cover is equipped with the extexine of insulating layer and is provided with the flame retardant coating, the extexine of flame retardant coating is provided with elasticity outer wire cover, just be provided with along elasticity outer wire cover direction between elasticity outer wire cover and the flame retardant coating and strengthen the steel wire, it encloses into the ring form each other to strengthen the steel wire, the outside equidistance cover of elasticity outer wire cover is equipped with the inboard that supports packing ring and supporting ring and is provided with the stainless steel ring.
As a further aspect of the present invention: be provided with between elasticity interior line cover and the metal sinle silk filling layer and make for the polyurethane material, utilize the filling layer to make for the polyurethane material, be high temperature resistant, have and play elasticity extruded function to the metal sinle silk, improve the close adhesion nature between elasticity interior line cover and the metal sinle silk, protective effect is showing.
As a further aspect of the present invention: bunch lassos are arranged on the outer sides of the metal wire cores at equal intervals, and the bunch lassos and the metal wire cores are made of copper materials.
As a further aspect of the present invention: the utility model discloses a wire body, including support packing ring, elasticity outside line cover, support packing ring and elasticity outside line cover, the support packing ring is made with the TPU material with elasticity outside line cover, the link is installed through the screw in the top of support packing ring, utilizes support packing ring and elasticity outside line cover to be the TPU material and makes, direct and external contact, acid and alkali corrosion resistance, elasticity is high, and mechanical toughness is good, has certain withstand voltage effect, utilizes the link to be convenient for hang the line body.
As a further aspect of the present invention: the fire barrier comprises last heat insulating film, heat insulating net and lower heat insulating film, the top surface layer of heat insulating net is provided with heat insulating film, the bottom surface layer of heat insulating net is provided with heat insulating film down.
As a further aspect of the present invention: the upper heat insulation film and the lower heat insulation film are polyester films, the heat insulation net is woven by glass fiber yarns, the polyester films are used as the upper heat insulation film and the lower heat insulation film, the polyester films are high-temperature resistant, ageing resistant and not prone to burning, the heat insulation net is woven by the glass fiber yarns, the heat insulation effect is further improved, and the tensile effect of the upper heat insulation film is improved under the condition of flame retardance.
As the utility model discloses further scheme again: the insulating layer is made of ethylene propylene rubber materials, and the elastic inner wire sleeve is made of polypropylene materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the upper heat insulation film and the lower heat insulation film are polyester films, so that the heat insulation film is high-temperature resistant, ageing resistant and non-flammable, and the heat insulation net is woven by glass fiber yarns, so that the heat insulation effect is further improved, and the tensile effect of the upper heat insulation film is improved under the condition of flame retardance.
2. Utilize supporting washer and elasticity outside line cover to be the TPU material and make, direct and external contact, acid and alkali corrosion resistance, elasticity is high, and mechanical toughness is good, has certain withstand voltage effect, utilizes between elasticity outside line cover and the flame retardant coating and is provided with the enhancement steel wire along elasticity outside line cover direction, strengthens the steel wire and encloses into the ring form each other, makes the cable conductor have stretch-proofing effect, and difficult fracture improves the life of the line body.
3. Utilize the filling layer to make for the polyurethane material, high temperature resistant has and plays elasticity extrusion's function to the metal sinle silk, improves the close adhesion nature between elasticity interior line cover and the metal sinle silk, and the protective effect is showing, utilizes the insulating layer to make for the EP rubbers material, improves the insulating nature of the line body, avoids the line body electric leakage, takes place the electric shock accident.
Drawings
Fig. 1 is a schematic view of the overall structure of a fire-resistant cable with strong corrosion resistance.
Fig. 2 is a schematic view of a fire-proof layer structure of a fire-resistant cable with strong corrosion resistance.
Fig. 3 is a schematic view of the stainless steel ring structure of the fire-resistant cable of the present invention with strong corrosion resistance.
Fig. 4 is a sectional view of the elastic inner wire sleeve of the fire-resistant cable of the present invention.
In the figure: 1. an elastic outer wire sleeve; 2. reinforcing steel wires; 3. a fire barrier layer; 4. an insulating layer; 5. an elastic inner wire sleeve; 6. A metal wire core; 7. hanging a ring; 8. a support washer; 9. an upper heat insulation film; 10. a heat insulating mesh; 11. a lower heat insulating film; 12. A stainless steel ring; 13. a filling layer; 14. and a wire harness ferrule.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
Please refer to fig. 1-4, in an embodiment of the present invention, a fire-resistant cable with strong corrosion resistance, includes a metal core 6, an elastic outer sheath 1, an elastic inner sheath 5, an insulating layer 4 and a reinforcing steel wire 2, the outer sheath of the metal core 6 is provided with the elastic inner sheath 5, the outer sheath of the elastic inner sheath 5 is provided with the insulating layer 4 and the outer sheath of the insulating layer 4 is provided with a fireproof layer 3, the outer sheath of the fireproof layer 3 is provided with the elastic outer sheath 1, the reinforcing steel wire 2 is arranged between the elastic outer sheath 1 and the fireproof layer 3 and along the direction of the elastic outer sheath 1, the reinforcing steel wire 2 surrounds the ring shape, the outer equidistant sheath of the elastic outer sheath 1 is provided with a supporting washer 8 and the inner side of the supporting washer 8 is provided with a stainless steel ring 12.
Wherein a filling layer 13 is arranged between the elastic inner wire sleeve 5 and the metal wire core 6, and the filling layer 13 is made of polyurethane material; utilize filling layer 13 to make for the polyurethane material, high temperature resistant has and plays elasticity extruded function to metal core 6, improves the close adhesion nature between elasticity interior line cover 5 and the metal core 6, and the protective effect is showing.
Wherein, bunch ferrules 14 are arranged on the outer side of the metal wire core 6 at equal intervals, and the bunch ferrules 14 and the metal wire core 6 are made of copper materials; utilize bunch lasso 14 to play spacing effect to metal core 6, the electrically conductive effect of copper product material is showing, reduces the loss of electric energy.
The supporting washer 8 and the elastic outer wire sleeve 1 are both made of TPU materials, and the top of the supporting washer 8 is provided with a hanging ring 7 through a screw; utilize supporting washer 8 and elasticity outer line cover 1 to be the TPU material and make, direct and external contact, acid and alkali corrosion resistance, elasticity is high, and mechanical toughness is good, has certain withstand voltage effect, utilizes link 7 to be convenient for hang the line body.
The fireproof layer 3 consists of an upper heat insulation film 9, a heat insulation net 10 and a lower heat insulation film 11, the upper heat insulation film 9 is arranged on the top surface layer of the heat insulation net 10, and the lower heat insulation film 11 is arranged on the bottom surface layer of the heat insulation net 10; adopt the double-deck diaphragm body, intensity is high, and not fragile fireproof effect is showing.
Wherein, the upper heat insulation film 9 and the lower heat insulation film 11 are polyester films, and the heat insulation net 10 is woven by glass fiber yarns; the upper heat insulation film 9 and the lower heat insulation film 11 are polyester films, are high-temperature resistant, ageing resistant and not easy to burn, and the heat insulation net 10 is woven by glass fiber yarns, so that the heat insulation effect is further improved, and the stretch-resistant effect of the upper heat insulation film 9 is improved under the condition of flame retardance.
Wherein, the insulating layer 4 is made of ethylene propylene rubber material, and the elastic inner wire sleeve 5 is made of polypropylene material; the insulating layer 4 is made of ethylene propylene rubber, so that the insulativity of the wire body is improved, and electric leakage and electric shock accidents of the wire body are avoided.
The utility model discloses a theory of operation is: the upper heat insulation film 9 and the lower heat insulation film 11 are both polyester films, and are high temperature resistant, ageing resistant and non-flammable, the heat insulation net 10 is woven by glass fiber yarns, the heat insulation effect is further improved, the stretch-resistant effect of the upper heat insulation film 9 is improved under the condition of flame retardance, the supporting gasket 8 and the elastic outer wire sleeve 1 are both made of TPU materials and are directly contacted with the outside, the acid and alkali corrosion resistance is realized, the elasticity is high, the mechanical toughness is good, and a certain pressure-resistant effect is achieved, the reinforcing steel wires 2 are arranged between the elastic outer wire sleeve 1 and the fireproof layer 3 and along the direction of the elastic outer wire sleeve 1 and are mutually wound into a circular ring shape, so that the cable has the stretch-resistant effect and is not easy to break, the service life of the cable body is prolonged, the filling layer 13 is made of polyurethane materials and is high temperature resistant, and has the function of elastic extrusion on the metal wire core 6, and the close adhesion between the elastic inner wire sleeve 5 and the metal wire core 6 is improved, the protective effect is obvious, and the insulating layer 4 is made of ethylene propylene rubber materials, so that the insulativity of the wire body is improved, and electric leakage and electric shock accidents of the wire body are avoided.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a fire resisting cable that anticorrosive strong, includes metal core (6), elasticity outer wire cover (1), elasticity inner wire cover (5), insulating layer (4) and enhancement steel wire (2), its characterized in that: the extexine cover of metal core (6) is equipped with elasticity interior line cover (5), the extexine cover of elasticity interior line cover (5) is equipped with insulating layer (4) and the extexine of insulating layer (4) is provided with flame retardant coating (3), the extexine of flame retardant coating (3) is provided with elasticity exterior line cover (1), just be provided with between elasticity exterior line cover (1) and flame retardant coating (3) and along elasticity exterior line cover (1) direction and strengthen steel wire (2), it encloses into the ring form each other to strengthen steel wire (2), the inboard that the outside equidistance cover of elasticity exterior line cover (1) was equipped with supporting washer (8) and supporting washer (8) is provided with nonrust steel ring (12).
2. The fire resistant cable of claim 1, wherein: a filling layer (13) is arranged between the elastic inner wire sleeve (5) and the metal wire core (6), and the filling layer (13) is made of polyurethane materials.
3. The fire resistant cable of claim 1, wherein: bunch lassos (14) are arranged on the outer side of the metal wire core (6) at equal intervals, and the bunch lassos (14) and the metal wire core (6) are both made of copper materials.
4. The fire resistant cable of claim 1, wherein: the supporting washer (8) and the elastic outer wire sleeve (1) are made of TPU materials, and a hanging ring (7) is installed at the top of the supporting washer (8) through a screw.
5. The fire resistant cable of claim 1, wherein: the fireproof layer (3) is composed of an upper heat insulation film (9), a heat insulation net (10) and a lower heat insulation film (11), the top surface layer of the heat insulation net (10) is provided with the upper heat insulation film (9), and the bottom surface layer of the heat insulation net (10) is provided with the lower heat insulation film (11).
6. The fire resistant cable of claim 5, wherein: the upper heat insulation film (9) and the lower heat insulation film (11) are polyester films, and the heat insulation net (10) is woven by glass fiber yarns.
7. The fire resistant cable of claim 1, wherein: the insulating layer (4) is made of ethylene propylene rubber materials, and the elastic inner wire sleeve (5) is made of polypropylene materials.
CN202220810550.XU 2022-04-09 2022-04-09 Fire-resistant cable with strong corrosion resistance Active CN217361199U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220810550.XU CN217361199U (en) 2022-04-09 2022-04-09 Fire-resistant cable with strong corrosion resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220810550.XU CN217361199U (en) 2022-04-09 2022-04-09 Fire-resistant cable with strong corrosion resistance

Publications (1)

Publication Number Publication Date
CN217361199U true CN217361199U (en) 2022-09-02

Family

ID=83056008

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220810550.XU Active CN217361199U (en) 2022-04-09 2022-04-09 Fire-resistant cable with strong corrosion resistance

Country Status (1)

Country Link
CN (1) CN217361199U (en)

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