CN217306128U

CN217306128U - High-strength tensile high-voltage insulation overhead cable

Info

Publication number: CN217306128U
Application number: CN202220148597.4U
Authority: CN
Inventors: 滕林海; 曹海峰; 廖长清
Original assignee: Zhejiang Chiying Wire And Cable Co ltd
Current assignee: Zhejiang Chiying Wire And Cable Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-26
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a high-strength tensile high-voltage insulation aerial cable, which relates to the technical field of cables, and comprises a cable main body, the cable main body consists of a plurality of wire cores and an outer sleeve, the outer sleeve is wrapped outside the plurality of wire cores, a plurality of wire cores are arranged in the outer sleeve, a filling layer is arranged in gaps among the wire cores, each wire core consists of a conductor core and a conductor shielding sleeve wrapped outside the conductor core, each wire core specifically consists of a steel wire and an aluminum wire which are twisted together, and a supporting mechanism is arranged on an inner rubber isolation sleeve; conductor core cooperation enhancement layer and supporting mechanism through setting up the copper wire and making with the aluminium wire transposition use, not only can guarantee the good structural strength of conductor core, can utilize stainless steel metal mesh cooperation elastic support ring and elastic connection area to use the overall structure intensity that is used for promoting the cable main part in addition, and then can effectively promote the tensile strength of cable main part, appear damaged when effectively avoiding the cable main part to receive to drag.

Description

High-strength tensile high-voltage insulation overhead cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a high-voltage insulation aerial [ insulated ] cable of high strength tensile.

Background

The cable is an electric energy or signal transmission device, and generally comprises several or several groups of conducting wires, 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 marine cable, a mining 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 existing cable is low in strength in the using process, a damaged wire core is easy to occur when the existing cable is pulled, an effective protective flame-retardant water blocking mechanism is lacked, and the function is incomplete.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of high-tension insulation aerial [ insulated ] cable of high strength tensile has solved current cable and has lower in use intensity, receives to appear damaged sinle silk easily when dragging, and lacks the fire-retardant mechanism that blocks water of effectual protection, the incomplete problem of function.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a high-strength tensile high-voltage insulation aerial cable, includes the cable main part, the cable main part comprises a plurality of sinle silk and overcoat, the overcoat parcel is in the outside of a plurality of sinle silk, and the inside a plurality of overcoat be provided with the filling layer in the gap between the sinle silk, the sinle silk comprises conductor core and the outside core shield cover that leads of parcel at conductor core, the sinle silk specifically comprises copper wire and aluminium wire stranded together, the overcoat comprises the isolated cover of interior rubber and the isolated cover of outer rubber, the isolated cover of interior rubber is provided with supporting mechanism, form a installation cavity between the isolated cover of interior rubber and the isolated cover of outer rubber, just install the enhancement layer in the installation cavity, the surface parcel winding of the isolated cover of outer rubber has the water blocking layer, the surface coating of water blocking layer has fire-retardant layer.

As an optimized proposal of the utility model, the material of the filling layer is specifically polyethylene graphite filler.

As an optimized scheme of the utility model, the material of leading the core shield cover specifically is high density insulating rubber.

As an optimized scheme of the utility model, supporting mechanism includes a plurality of elastic support ring, a plurality of ring channel has been seted up to the isolated cover inner wall of interior rubber, and has seted up a plurality of holding tank on the isolated cover of interior rubber between two adjacent ring channels, elastic support ring installs in the ring channel, and is connected through a plurality of elastic connection area between two adjacent elastic support ring, elastic connection area installs in the ring channel.

As an optimized scheme of the utility model, the enhancement layer specifically comprises stainless steel metal mesh, and the mesh department packing of stainless steel metal mesh has nanometer composite graphene shielding material.

As an optimized scheme of the utility model, the water blocking layer specifically is the yarn that blocks water, and the yarn that blocks water is the outside that the spiral evenly twined at the isolated cover of outer rubber.

As an optimal scheme of the utility model, the material on fire-retardant layer specifically is polyurethane fire retardant coating.

Compared with the prior art, the utility model discloses beneficial effect does:

the high-strength tensile high-voltage insulated aerial cable is used by arranging the conductor core formed by twisting the steel wire and the aluminum wire to be matched with the reinforcing layer and the supporting mechanism, so that not only can the good structural strength of the conductor core be ensured, but also the overall structural strength of the cable main body can be improved by utilizing the stainless steel metal net to be matched with the elastic supporting ring and the elastic connecting belt, the tensile property of the cable main body can be effectively improved, and the cable main body is effectively prevented from being damaged when pulled;

this high-tension insulation aerial [ insulated ] cable of high strength tensile uses through setting up the water blocking layer and fire-retardant layer cooperation, and the fire behaviour of cable main part can effectively be promoted in the setting on fire-retardant layer, the fire resistance of cable main part when guaranteeing the conflagration, and the setting on water blocking layer can be fine avoid the cable main part to break the condition that moisture invades inside, and then can promote the life of cable main part greatly.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the inner rubber insulating sleeve of the present invention in a half-section view;

fig. 4 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: 1. a cable body; 2. a wire core; 3. a conductor core; 4. a guide core shielding sleeve; 5. a jacket; 6. an inner rubber isolation sleeve; 7. a reinforcing layer; 8. an outer rubber insulating sleeve; 9. a water resistant layer; 10. a flame retardant layer; 11. an elastic support ring; 12. an elastic connecting band; 13. and (5) filling the layer.

Detailed Description

Examples

Referring to fig. 1-4, the utility model provides a high-voltage insulation aerial [ insulated ] cable of high strength tensile, including cable main body 1, cable main body 1 comprises a plurality of sinle silk 2 and overcoat 5, and overcoat 5 wraps up in a plurality of sinle silk 2's outside, and is provided with filling layer 13 in the gap between 5 inside a plurality of sinle silks of overcoat 2, and filling layer 13's material specifically is polyethylene graphite filler, utilizes polyethylene graphite filler as filling layer 13, can be fine with inside sinle silk 2 with external isolated the opening, has played certain shielding effect.

Sinle silk 2 is formed at 3 outside lead core shield sleeves 4 of conductor core by conductor core 3 and parcel, and the material of leading core shield sleeve 4 specifically is high density insulating rubber, utilizes high density insulating rubber to form and leads core shield sleeve 4, and further cooperation filling layer 13 comes to completely cut off the protection shielding to conductor core 3, has promoted the shielding breakdown-resistant ability of cable main part 1 greatly.

Sinle silk 2 specifically comprises stranded copper wire and the aluminium wire together, overcoat 5 comprises isolated cover 6 of interior rubber and the isolated cover 8 of outer rubber, be provided with supporting mechanism on the isolated cover 6 of interior rubber, supporting mechanism includes a plurality of elastic support ring 11, a plurality of ring channel has been seted up to the isolated cover 6 inner wall of interior rubber, and seted up a plurality of holding tank on the isolated cover 6 of interior rubber between two adjacent ring channels, elastic support ring 11 is installed in the ring channel, and be connected through a plurality of elastic connection area 12 between two adjacent elastic support ring 11, elastic connection area 12 is installed in the ring channel, utilize elastic support ring 11 cooperation elastic connection area 12 to use, the elasticity performance of promotion cable main part 1 that can be fine, effectively avoid cable main part 1 to appear damaging the phenomenon.

Form an installation cavity between the isolated cover of interior rubber 6 and the isolated cover of outer rubber 8, and install the enhancement layer 7 in the installation cavity, the enhancement layer 7 specifically comprises stainless steel metal mesh, and the mesh department of stainless steel metal mesh fills there is compound graphite alkene shielding material of nanometer, utilizes the overall structure intensity that can further promote cable main part 1 of setting up of stainless steel metal mesh, promotes cable main part 1's tensile strength greatly, and the compound graphite alkene material of nanometer's setting further promotes shielding effect.

The winding of outer rubber isolated cover 8's surface parcel has water blocking layer 9, and water blocking layer 9 specifically is the yarn that blocks water, and the yarn that blocks water is the even winding of spiral in outer rubber isolated cover 8's outside, and the setting of the yarn that blocks water can be fine carries out the separation to moisture, has promoted cable main body 1 greatly by the performance of moisture infiltration.

The surface coating of water-blocking layer 9 has fire-retardant layer 10, and the material on fire-retardant layer 10 specifically is polyurethane fire retardant coating, and the flame retardant property of cable main part 1 can be promoted in setting up of fire-retardant layer 10, appears the phenomenon that cable main part 1 damaged when effectively avoiding the conflagration.

The working principle is as follows: conductor core 3 cooperation enhancement layer 7 and supporting mechanism made through setting up the copper wire and the transposition of aluminium wire are used, not only can guarantee conductor core 3's good structural strength, and can utilize stainless steel metal mesh cooperation elastic support ring 11 and elastic connection area 12 to use the overall structure intensity who promotes cable main part 1, and then can effectively promote cable main part 1's tensile strength, effectively avoid cable main part 1 to appear damaged when dragging, set up water blocking layer 9 and fire-retardant layer 10 cooperation use, the flame retardant property of cable main part 1 can effectively be promoted in the setting of fire-retardant layer 10, the fire resistance of cable main part 1 when guaranteeing the conflagration, water content immerges the condition of inside when avoiding cable main part 1 to break by the setting of water blocking layer 9 can be fine, and then can promote cable main part 1's life greatly.

Claims

1. The high-strength tensile high-voltage insulation overhead cable is characterized by comprising a cable main body (1), wherein the cable main body (1) comprises a plurality of wire cores (2) and an outer sleeve (5), the outer sleeve (5) is wrapped outside the plurality of wire cores (2), a plurality of wire cores (2) are arranged inside the outer sleeve (5), a filling layer (13) is arranged in a gap between the wire cores (2), each wire core (2) comprises a conductor core (3) and a conductor core shielding sleeve (4) wrapped outside the conductor core (3), each wire core (2) specifically comprises a steel wire and an aluminum wire which are twisted together, the outer sleeve (5) comprises an inner rubber insulation sleeve (6) and an outer rubber insulation sleeve (8), a supporting mechanism is arranged on the inner rubber insulation sleeve (6), and an installation cavity is formed between the inner rubber insulation sleeve (6) and the outer rubber insulation sleeve (8), and a reinforcing layer (7) is arranged in the mounting cavity, a water-resistant layer (9) is wrapped and wound on the outer surface of the outer rubber isolation sleeve (8), and a flame-retardant layer (10) is coated on the outer surface of the water-resistant layer (9).

2. The high-strength tensile high-voltage insulated overhead cable according to claim 1, wherein the material of the filling layer (13) is polyethylene graphite filler.

3. The high-strength tensile high-voltage insulated overhead cable according to claim 1, wherein the material of the conductive core shielding sleeve (4) is high-density insulating rubber.

4. The high-strength tensile high-voltage insulated overhead cable according to claim 1, wherein the supporting mechanism comprises a plurality of elastic supporting rings (11), a plurality of annular grooves are formed in the inner wall of the inner rubber insulating sleeve (6), a plurality of accommodating grooves are formed in the inner rubber insulating sleeve (6) between two adjacent annular grooves, the elastic supporting rings (11) are installed in the annular grooves, two adjacent elastic supporting rings (11) are connected through a plurality of elastic connecting bands (12), and the elastic connecting bands (12) are installed in the annular grooves.

5. The high-strength tensile high-voltage insulated overhead cable according to claim 1, wherein the reinforcing layer (7) is made of a stainless steel metal mesh, and the meshes of the stainless steel metal mesh are filled with a nano composite graphene shielding material.

6. High-strength tensile high-voltage insulated overhead cable according to claim 1, characterized in that the water-blocking layer (9) is embodied by water-blocking yarn, and the water-blocking yarn is uniformly wound in a spiral shape around the outside of the outer rubber insulating sheath (8).

7. The high-strength tensile high-voltage insulated overhead cable according to claim 1, wherein the flame-retardant layer (10) is made of polyurethane fireproof paint.