CN214253915U

CN214253915U - Resistance to deformation aluminum alloy aerial medium voltage cable

Info

Publication number: CN214253915U
Application number: CN202022879202.1U
Authority: CN
Inventors: 缪建祥
Original assignee: Jiangsu Dadi Wire & Cable Co ltd
Current assignee: Jiangsu Dadi Wire & Cable Co ltd
Priority date: 2020-12-03
Filing date: 2020-12-03
Publication date: 2021-09-21
Anticipated expiration: 2030-12-03

Abstract

The utility model discloses an anti-deformation aluminum alloy overhead medium voltage cable, which comprises a second insulating sleeve, wherein eight clapboards are symmetrically welded on the inner side wall of the second insulating sleeve, flexible pipes are fixedly connected to one adjacent sides of the eight clapboards, and springs are arranged on the inner side wall of each flexible pipe; through setting up first insulating cover and second insulating cover in this device can play anticreep efficiency to cable inside and optic fibre line, and through first weaving layer, thereby first filling layer and armor promote the use strength of this device, avoid external pressure or impact to cause the crooked rupture of electric wire and cable or damage, can bear the high heat when medium voltage cable uses through setting up resistant high temperature layer, and the service life is prolonged, simultaneously in this device optic fibre line peg graft each other with the slot of second insulating cover inner wall through the picture peg of first insulating cover outer wall, make its fixity promote, and collocation flexible tube and inside spring make its ability of buckling promote, and possess the reset capability after the bending.

Description

Resistance to deformation aluminum alloy aerial medium voltage cable

Technical Field

The utility model relates to a wire and cable technical field specifically is an overhead medium voltage cable of resistance to deformation aluminum alloy.

Background

As is known, a cable is a device for transmitting electric energy or signals, usually consisting of several wires or groups of wires, and is manufactured in a manner completely different from that of most electromechanical products. Electromechanical products typically employ the assembly of parts into components, and the reassembly of multiple parts into a single product, with the product being metered in units or pieces. The wire and cable are in basic unit of measurement of length. All the electric wires and cables are made by processing conductors, and adding insulation, shielding, cabling, sheath and the like layer by layer on the periphery of the conductors to form electric wire and cable products. The more complex the product structure is, the more the layers are superposed, and the modern cable is widely applied because of good insulating property, high chemical stability, no rustiness, no aging and adaptability to harsh environment;

however, the existing aluminum alloy overhead medium-voltage cable still has a certain problem, and the existing aluminum alloy overhead medium-voltage cable is often influenced by external force to deform or bend in the use or production and transportation process, so that the cable cannot be continuously put into use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an overhead medium voltage cable of anti-deformation aluminum alloy.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an anti-deformation aluminum alloy overhead medium voltage cable comprises a second insulating sleeve, eight baffles are symmetrically welded on the inner side wall of the second insulating sleeve, a flexible pipe is fixedly connected to one side adjacent to the eight baffles, a spring is arranged on the inner side wall of the flexible pipe, first insulating sleeves are arranged on the adjacent sides of the eight baffles, four slots are symmetrically formed in the inner side wall of the second insulating sleeve and the outer side wall of the flexible pipe, two inserting plates are symmetrically bonded on the outer side wall of the four first insulating sleeves, the outer side walls of the eight inserting plates are inserted into the inner side walls of the eight slots, optical fibers penetrate through the four first insulating sleeves, a first braided layer is bonded on the inner side wall of the second insulating sleeve, an armor layer is fixedly connected on the inner side wall of the first braided layer, and a high temperature resistant layer is bonded on the inner side wall of the armor layer, and a first filling layer is bonded on the inner side wall of the high-temperature resistant layer.

Preferably, the second woven layer is bonded to the inner side wall of the first insulating sleeve.

Preferably, the inner side wall of the second woven layer is adhered with a fireproof layer.

Preferably, a second filling layer is bonded to the inner side wall of the fireproof layer, a sheath is bonded to the inner side wall of the second filling layer, and one side of the sheath is bonded to the inner side wall of the first insulating sleeve.

Preferably, the repelling surfaces of the eight partition plates are fixedly connected with soft filling layers.

Preferably, a waterproof layer is bonded on the inner side wall of the first filling layer, and one side of the waterproof layer is bonded on the inner side wall of the second insulating sleeve.

(III) advantageous effects

Compared with the prior art, the utility model provides an overhead medium voltage cable of anti-deformation aluminum alloy possesses following beneficial effect:

the device has the advantages that the anti-creeping effect can be achieved on the interior of a cable and an optical fiber cable by arranging the first insulating sleeve and the second insulating sleeve, the use strength of the device is improved by the first weaving layer, the first filling layer and the armor layer, the bending, breaking or damage of the electric wire cable caused by external pressure or impact force is avoided, high heat can be borne by the high-temperature-resistant layer when the medium-voltage cable is used, and the service life is prolonged;

and secondly, the optical fiber line in the device is mutually inserted into the slot of the inner wall of the second insulating sleeve through the inserting plate of the outer wall of the first insulating sleeve, so that the fixing performance of the optical fiber line in the cable is improved, the bending capability of the optical fiber line is improved by matching with the flexible pipe and the internal spring, and the optical fiber line has the resetting capability after being bent.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the second insulating sleeve of the present invention;

fig. 3 is a schematic view of the internal structure of the first insulating sleeve according to the present invention;

fig. 4 is a schematic view of the internal structure of the middle flexible pipe according to the present invention.

In the figure: 1. inserting plates; 2. a soft filling layer; 3. a first insulating sleeve; 4. a partition plate; 5. a second insulating sleeve; 6. a slot; 7. a flexible tube; 8. a spring; 9. an optical fiber line; 10. a waterproof layer; 11. a first filling layer; 12. A high temperature resistant layer; 13. an armor layer; 14. a first woven layer; 15. a second woven layer; 16. a fire barrier layer; 17. A second filling layer; 18. a 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.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: an anti-deformation aluminum alloy overhead medium voltage cable comprises a second insulating sleeve 5, eight partition plates 4 are symmetrically welded on the inner side wall of the second insulating sleeve 5, a flexible pipe 7 is fixedly connected to one adjacent side of each of the eight partition plates 4, a spring 8 is arranged on the inner side wall of each of the flexible pipes 7, first insulating sleeves 3 are arranged on the adjacent sides of the eight partition plates 4, four slots 6 are symmetrically formed in the inner side wall of the second insulating sleeve 5 and the outer side wall of each of the flexible pipes 7, two inserting plates 1 are symmetrically bonded on the outer side walls of the four first insulating sleeves 3, the outer side walls of the eight inserting plates 1 are respectively inserted into the inner side walls of the eight slots 6, optical fibers 9 penetrate through the four first insulating sleeves 3, a first woven layer 14 is bonded on the inner side wall of the second insulating sleeve 5, an armor layer 13 is fixedly connected to the inner side wall of the first woven layer 14, a high temperature resistant layer 12 is arranged on the inner side wall of the armor layer 13, the first filling layer 11 is adhered to the inner side wall of the high temperature resistant layer 12.

In this embodiment, specifically: a second braided layer 15 is bonded on the inner side wall of the first insulating sleeve 3; the second braided layer 15 is made of a tinned copper wire braided layer, and the second braided layer has electromagnetic interference shielding effect and shielding effect of eliminating surface potential of the power cable.

In this embodiment, specifically: the inner side wall of the second weaving layer 15 is adhered with a fireproof layer 16; the fire-proof layer 16 is made of soft fire-proof clay, which is generally in the shape of soil, soft, plastic and water-absorbing, can be softened by soaking in water and easily dispersed in water, can form plastic clay-group soft fire-proof clay after being mixed with liquid, is a raw material for manufacturing fire-proof materials, and can improve the fire resistance of cables.

In this embodiment, specifically: a second filling layer 17 is bonded on the inner side wall of the fireproof layer 16, a sheath 18 is bonded on the inner side wall of the second filling layer 17, and one side of the sheath 18 is bonded on the inner side wall of the first insulating sleeve 3; the second filling layer 17 is made of a carbon fiber compressed filling layer, has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, is fibrous and soft in appearance, and can improve the strength and resistance of the cable and prolong the service life.

In this embodiment, specifically: the repelling surfaces of the eight partition plates 4 are fixedly connected with a soft filling layer 2; the soft filling layer 2 is made of polypropylene reticular fibers, and the material can greatly improve the impermeability, breakage resistance and impact resistance of the cable, enhance the toughness and wear resistance of the cable and greatly prolong the service life.

In this embodiment, specifically: a waterproof layer 10 is bonded on the inner side wall of the first filling layer 11, and one side of the waterproof layer 10 is bonded on the inner side wall of the second insulating sleeve 5; the waterproof layer 10 is made of a high-density polyethylene film, which is a nonpolar thermoplastic resin having high crystallinity, is milk white in appearance, has a certain degree of translucency in a micro-thin section, and has a good water blocking property.

In summary, the working principle and working process of the anti-deformation aluminum alloy overhead medium voltage cable are that, when in use, firstly, the device can play a role of preventing the inside of the cable and the optical fiber 9 from electric leakage by arranging the first insulating sleeve 3 and the second insulating sleeve 5, and the use strength of the device is improved by the first weaving layer 14, the first filling layer 11 and the armor layer 13, wherein the first weaving layer 14 is made of the aluminum alloy weaving layer and has good anti-deformation property, the soft filling layer 2 is made of polypropylene reticular fiber, the material can greatly improve the anti-permeability, anti-crushing and anti-impact properties of the cable, the toughness and wear resistance of the cable are enhanced, the service life is greatly prolonged, the first filling layer 11 is made of the polyethylene filling strip and has good sealing and shock-absorbing properties, the armor layer 13 is made of the polyvinyl chloride insulating thin steel wire armor, the material can bear larger pulling force, avoid the bending fracture or damage of the electric wire and cable caused by external pressure or impact force, can bear high heat when the medium-voltage cable is used by arranging the high-temperature resistant layer 12, improve the service life, simultaneously, the optical fiber 9 in the device is mutually spliced with the slot 6 of the inner wall of the second insulating sleeve 5 through the plug board 1 of the outer wall of the first insulating sleeve 3, improve the fixing performance, and is matched with the flexible pipe 7 and the internal spring 8 to improve the bending capability, and has the resetting capability after being bent, the device has a second filling layer 17 for protecting the optical fiber 9, the material is a carbon fiber compression filling layer, has the characteristics of high temperature resistance, friction resistance, electric conduction, heat conduction, corrosion resistance and the like, the appearance is fibrous and soft, can improve the strength and resistance of the cable, improve the service life, and improve the fire resistance strength through the fireproof layer 16, and a second braided layer 15 made of a tinned copper wire braided layer, having a shielding effect of electromagnetic interference resistance and a shielding effect of eliminating the surface potential of the power cable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an overhead medium voltage cable of anti-deformation aluminum alloy, includes second insulating cover (5), its characterized in that: eight baffles (4) are symmetrically welded on the inner side wall of the second insulating sleeve (5), a flexible pipe (7) is fixedly connected to one side adjacent to the eight baffles (4), a spring (8) is arranged on the inner side wall of the flexible pipe (7), eight first insulating sleeves (3) are arranged on the adjacent sides of the eight baffles (4), four slots (6) are symmetrically formed in the inner side wall of the second insulating sleeve (5) and the outer side wall of the flexible pipe (7), two inserting plates (1) are symmetrically bonded on the outer side walls of the four first insulating sleeves (3), the outer side walls of the eight inserting plates (1) are respectively inserted into the inner side walls of the eight slots (6), optical fiber wires (9) penetrate through the four first insulating sleeves (3), a first woven layer (14) is arranged on the inner side wall of the second insulating sleeve (5), and an armor layer (13) is fixedly connected to the inner side wall of the first woven layer (14), the inner side wall of the armor layer (13) is bonded with a high temperature resistant layer (12), and the inner side wall of the high temperature resistant layer (12) is bonded with a first filling layer (11).

2. The anti-deformation aluminum alloy overhead medium voltage cable of claim 1, wherein: and a second woven layer (15) is bonded on the inner side wall of the first insulating sleeve (3).

3. The anti-deformation aluminum alloy overhead medium voltage cable of claim 2, wherein: and a fireproof layer (16) is adhered to the inner side wall of the second woven layer (15).

4. The anti-deformation aluminum alloy overhead medium voltage cable of claim 3, wherein: the inner side wall of the fireproof layer (16) is bonded with a second filling layer (17), the inner side wall of the second filling layer (17) is bonded with a sheath (18), and one side of the sheath (18) is bonded with the inner side wall of the first insulating sleeve (3).

5. The anti-deformation aluminum alloy overhead medium voltage cable of claim 1, wherein: the repelling surfaces of the eight partition plates (4) are fixedly connected with soft filling layers (2).

6. The anti-deformation aluminum alloy overhead medium voltage cable of claim 1, wherein: the waterproof layer (10) is bonded on the inner side wall of the first filling layer (11), and one side of the waterproof layer (10) is bonded on the inner side wall of the second insulating sleeve (5).