CN210777999U

CN210777999U - Novel copper core crosslinked polyethylene flame-retardant power cable

Info

Publication number: CN210777999U
Application number: CN201921488532.9U
Authority: CN
Inventors: 李楚恒
Original assignee: Zhaoqing Henghai Wire And Cable Co ltd
Current assignee: Zhaoqing Henghai Wire And Cable Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-06-16
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a novel copper core crosslinked polyethylene flame-retardant power cable, which comprises an anti-skid sleeve and a cable, wherein the cable is sleeved at the inner side of the anti-skid sleeve, the novel anti-skid sleeve is additionally arranged on the basis of the existing equipment, the service life and the anti-skid and wear-resistant performance of the utility model can be effectively improved, the novel cable is additionally arranged on the basis of the existing equipment, the first insulating layer, the second insulating layer, the third insulating layer and the fourth insulating layer adopt crosslinked polyethylene insulation, not only can keep the better electrical performance of the polyvinyl chloride insulation, but also have small thermal deformation, higher heat resistance and aging resistance, can effectively improve the transmission capacity, and the crosslinked polyethylene insulation density is smaller, the weight of the utility model can be effectively lower, and the dielectric coefficient is smaller, and the loss is less, when burned, a small amount of rich smoke or harmful gases may be produced or even not.

Description

Novel copper core crosslinked polyethylene flame-retardant power cable

Technical Field

The utility model belongs to the technical field of electrical equipment is relevant, concretely relates to novel fire-retardant power cable of copper core crosslinked polyethylene.

Background

Typically a cable like rope 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 each other and usually twisted around a center, and being entirely surrounded by a highly insulating covering, the cable being characterized by internal electrical conduction and external insulation.

The existing cable technology has the following problems: the cable that has now is worn and torn easily at the in-process of work, leads to the emergence of the condition such as damaged appearing in the cable, and the inside insulating cover of cable that has now simultaneously adopts polyvinyl chloride to produce the preparation more, adopts polyvinyl chloride heat resistance and ageing resistance relatively poor, and the loss is more during the simultaneous transmission, can produce a large amount of dense smoke and harmful gas when destroying moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel fire-retardant power cable of copper core crosslinked polyethylene to solve the easy wearing and tearing that provide in the above-mentioned background art and the relatively poor problem of production material.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel fire-retardant power cable of copper core crosslinked polyethylene, includes antiskid cover and cable, the cable has been cup jointed to the inboard of antiskid cover, antiskid cover includes leather sheath and antislip strip, the outside position department of leather sheath is provided with the antislip strip, the cable includes first insulation layer, around band, conductor, second insulating layer, third insulating layer, restrictive coating, fourth insulating layer and stopping, be provided with the restrictive coating around the inboard position department of band, the inboard packing of restrictive coating has the stopping, the inboard middle upper left side position department of restrictive coating is provided with the first insulation layer, the inboard middle upper right side position department of restrictive coating is provided with the second insulating layer, the inboard bottom middle upper right side position department of restrictive coating is provided with the third insulating layer, the inboard middle lower left side position department of restrictive coating is provided with the fourth insulating layer, the first insulation layer, Conductors are arranged on the inner sides of the second insulating layer, the third insulating layer and the fourth insulating layer.

Preferably, the leather sheath is of a circular cylinder structure.

Preferably, the anti-skidding strips are arranged in a plurality of numbers, and the anti-skidding strips are uniformly arranged at the outer side position of the leather sheath.

Preferably, the conductors are provided with four conductors, and the size of three conductors is 70mm, and the size of another conductor is 35 mm.

Preferably, the 70 mm-sized conductor is disposed in the second insulating layer, the third insulating layer, and the fourth insulating layer, respectively.

Preferably, the 35mm sized conductor is disposed within the first insulating layer.

Preferably, the second insulating layer, the third insulating layer and the fourth insulating layer are the same in size and material, and the second insulating layer, the third insulating layer and the fourth insulating layer are different in color.

Compared with the prior art, the utility model provides a novel fire-retardant power cable of copper core crosslinked polyethylene possesses following beneficial effect:

1. the utility model discloses installed neotype antiskid cover additional on the basis of current equipment, the antislip strip is provided with a plurality ofly, and the even setting of a plurality of antislip strips is in the outside position department of leather sheath, and the antiskid cover can effectual improvement the utility model discloses an antiskid wear resistance can effectual improvement the utility model discloses a life and the wear resistant performance of antiskid.

2. The utility model discloses installed neotype cable additional on the basis of current equipment, first insulation layer, second insulating layer, third insulating layer and fourth insulating layer adopt the crosslinked polyethylene insulating not only can keep the insulating better electrical property that has of polyvinyl chloride outside, and the heat altered shape simultaneously is little can have higher heat resistance and ageing-resistant type ability, can effectual improvement transmission capacity to crosslinked polyethylene insulation density is less can be effectual lower the utility model discloses a weight, and the dielectric coefficient will be little can less loss moreover, can produce a small amount of dense smoke or harmful gas and can not produce even when burning.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic structural view of a novel copper core crosslinked polyethylene flame-retardant power cable provided by the utility model;

fig. 2 is a schematic view of the anti-slip cover structure provided by the present invention;

fig. 3 is a schematic diagram of a cross-sectional structure of a cable according to the present invention;

fig. 4 is a schematic side sectional structure view of the cable according to the present invention;

in the figure: 1. an anti-slip sleeve; 2. a cable; 11. a leather sheath; 12. anti-slip strips; 21. a first insulating layer; 22. wrapping a tape; 23. a conductor; 24. a second insulating layer; 25. a third insulating layer; 26. a sheath layer; 27. a fourth insulating layer; 28. and (3) a filling material.

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. 1-4, the present invention provides a technical solution: a novel copper core crosslinked polyethylene flame-retardant power cable comprises an anti-slip sleeve 1 and a cable 2, wherein the cable 2 is sleeved on the inner side of the anti-slip sleeve 1, the anti-slip sleeve 1 comprises a leather sleeve 11 and anti-slip strips 12, the leather sleeve 11 is of a circular cylinder structure and is convenient to install and sleeve the cable 2, the anti-slip strips 12 are arranged at the outer side position of the leather sleeve 11, a plurality of anti-slip strips 12 are arranged, the anti-slip strips 12 are uniformly arranged at the outer side position of the leather sleeve 11, the anti-slip wear-resisting performance of the utility model can be effectively improved by adopting the arrangement, the cable 2 comprises a first insulating layer 21, a wrapping tape 22, a conductor 23, a second insulating layer 24, a third insulating layer 25, a sheathing layer 26, a fourth insulating layer 27 and a filler 28, a sheathing layer 26 is arranged at the inner side position of the wrapping tape 22, the filler 28 is filled at the inner side of the sheathing layer 26, a first insulating layer 21, the middle right position on the upper side of the middle of the inner side of the sheath layer 26 is provided with a second insulating layer 24, the middle right position of the bottom of the inner side of the sheath layer 26 is provided with a third insulating layer 25, the middle left position on the lower side of the middle of the inner side of the sheath layer 26 is provided with a fourth insulating layer 27, the sizes and the materials of the second insulating layer 24, the third insulating layer 25 and the fourth insulating layer 27 are the same, and the colors of the second insulating layer 24, the third insulating layer 25 and the fourth insulating layer 27 are different, so that a user can classify the conductors 23 in the utility model, and effectively realize different functions, the inner sides of the first insulating layer 21, the second insulating layer 24, the third insulating layer 25 and the fourth insulating layer 27 are provided with conductors 23, the conductors 23 are provided with four conductors, the three conductors 23 have the size of 70mm, the other conductor 23 has the size of 35mm, by adopting the above arrangement, the utility model can effectively realize, conductor 23 of 70mm size sets up respectively in second insulating layer 24, third insulating layer 25 and fourth insulating layer 27, can three main line cores of effectual formation, and is supplementary the utility model discloses realize the primary function, conductor 23 of 35mm size sets up in first insulating layer 21, can the effectual ground wire that forms.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, the user examines earlier the utility model discloses whether complete, affirmation is gone into to outside outward appearance the utility model discloses be in the state that can normally work, then the user will the utility model discloses move to the position department of required use, then the user will the utility model discloses install and fix on the equipment that uses the utility model discloses the in-process of work, antiskid cover 1 can effectual improvement the utility model discloses an antiskid wear resistance can effectual improvement the utility model discloses a life and the wear-resisting performance of antiskid the in-process of work, the adoption sticiss the circular conductor 23 of making and can reduce space between the wire, improves the effectual external diameter that reduces cable 2 of wire filling coefficient, practices thrift cable 2 restrictive coating 26's manufacturing material, reduces the utility model discloses a manufacturing cost, first insulation layer 21, second insulating layer 24, third insulating layer 25 and fourth insulating layer 27 adopt crosslinked polyethylene to insulate not only can keep polyvinyl chloride insulation to keep Outside the better electrical property that has, simultaneously heat altered shape can have higher heat resistance and ageing-resistant type ability for a short time, can effectual improvement transmission capacity, and crosslinking polyethylene insulation density is less can be effectual lower the utility model discloses a weight, and dielectric coefficient will be less can less loss, can produce a small amount of dense smoke or harmful gas and can not produce even when burning, stopping 28 can let cable 2 round improve structural stability, simultaneously can effectually play the effect of blocking water, it is the part of the outermost guard action of cladding at cable 2 around band 22, mainly play mechanical enhancement and corrosion protection, protection cable 2 is insulating not damaged, and satisfy the requirement of various service conditions and environment.

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 a novel fire-retardant power cable of copper core crosslinked polyethylene, includes antiskid cover (1) and cable (2), its characterized in that: the cable (2) is sleeved on the inner side of the anti-slip sleeve (1), the anti-slip sleeve (1) comprises a leather sleeve (11) and anti-slip strips (12), the anti-slip strips (12) are arranged at the position of the outer side of the leather sleeve (11), the cable (2) comprises a first insulating layer (21), a winding tape (22), a conductor (23), a second insulating layer (24), a third insulating layer (25), a sheath layer (26), a fourth insulating layer (27) and filler (28), the sheath layer (26) is arranged at the position of the inner side of the winding tape (22), the filler (28) is filled in the inner side of the sheath layer (26), the first insulating layer (21) is arranged at the position of the upper left side of the middle of the inner side of the sheath layer (26), the second insulating layer (24) is arranged at the position of the upper right side of the middle of the inner side of the sheath layer (26), the third insulating layer (25) is arranged at the position of the right side of, the left side position department that the inboard centre of restrictive coating (26) is inclined to the lower is provided with fourth insulating layer (27), the inboard of first insulating layer (21), second insulating layer (24), third insulating layer (25) and fourth insulating layer (27) all is provided with conductor (23).

2. The novel copper core crosslinked polyethylene flame-retardant power cable according to claim 1, characterized in that: the leather sheath (11) is of a circular cylinder structure.

3. The novel copper core crosslinked polyethylene flame-retardant power cable according to claim 1, characterized in that: the anti-skid strips (12) are arranged in a plurality, and the anti-skid strips (12) are uniformly arranged at the outer side of the leather sheath (11).

4. The novel copper core crosslinked polyethylene flame-retardant power cable according to claim 1, characterized in that: the number of the conductors (23) is four, the size of three conductors (23) is 70mm, and the size of the other conductor (23) is 35 mm.

5. The novel copper core crosslinked polyethylene flame-retardant power cable according to claim 1, characterized in that: the conductors (23) of 70mm size are disposed within the second insulating layer (24), the third insulating layer (25), and the fourth insulating layer (27), respectively.

6. The novel copper core crosslinked polyethylene flame-retardant power cable according to claim 1, characterized in that: the conductor (23) of 35mm size is disposed within the first insulating layer (21).

7. The novel copper core crosslinked polyethylene flame-retardant power cable according to claim 1, characterized in that: the size and the material of the second insulating layer (24), the third insulating layer (25) and the fourth insulating layer (27) are the same, and the colors of the second insulating layer (24), the third insulating layer (25) and the fourth insulating layer (27) are different.