CN219085696U

CN219085696U - Large-section cable with high mechanical strength

Info

Publication number: CN219085696U
Application number: CN202222642439.7U
Authority: CN
Inventors: 苏胜奎
Original assignee: Dalian Third Cable Co ltd
Current assignee: Dalian Third Cable Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-05-26
Anticipated expiration: 2032-10-09

Abstract

The utility model discloses a large-section cable with high mechanical strength, which comprises a conductor, wherein an insulating layer is fixedly connected to the outer wall of the conductor, and the insulating layer is provided with a wear-resistant unit; the wear-resisting unit comprises a bulge, a clamping groove, a first wear-resisting layer, a connecting piece and an elastic column; the first wear-resisting layer is arranged on the outer wall of the insulating layer, a plurality of bulges are arranged on the outer wall of the first wear-resisting layer, and clamping grooves arranged on the outer wall of the first wear-resisting layer are arranged between the first bulges. The utility model relates to the technical field of cables, and the cable is supported and protected by the elastic column, the clamping groove and the bulge through the matching, when the cable is extruded or bent, the cable can be effectively prevented from being deformed through the design of the elastic column, the service life of the cable is further prolonged, and the EVA layer and the protective layer can be prevented from being rubbed by the elastic column through the design of the first wear-resistant layer and the second wear-resistant layer, so that the EVA layer and the protective layer lose the service performance of the EVA layer and the protective layer, and the protective effect on the conductor is lost.

Description

Large-section cable with high mechanical strength

Technical Field

The utility model relates to the technical field of cables, in particular to a large-section cable with high mechanical strength.

Background

Cable (electric cable): typically rope-like cables formed by twisting several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a centre, the whole being covered with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and can continuously work at normal temperature and ensure the working current with a certain service life (such as 30 years).

The size of the cut-off of the cable is related to the size of the cross-sectional area of the cable, i.e. the larger the cross-section of the wire, the larger the current it can pass.

The cable of prior art can receive the influence of external factor in the in-process of using, and cable body is extremely easily buckled, friction and extrusion etc. in the past, therefore cable body very easily takes place deformation and causes the damage, and then causes the hidden danger to people.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a large-section cable with high mechanical strength, and solves the problem that the cable body is extremely easy to damage after being influenced by external factors.

In order to achieve the above purpose, the present utility model is realized by the following technical scheme: the large-section cable with high mechanical strength comprises a conductor, wherein an insulating layer is fixedly connected to the outer wall of the conductor, and the insulating layer is provided with a wear-resistant unit; the wear-resisting unit comprises a bulge, a clamping groove, a first wear-resisting layer, a connecting piece and an elastic column; the outer wall of first wearing layer sets up in the outer wall of insulating layer, the outer wall of first wearing layer is provided with a plurality of archs, be provided with the draw-in groove that sets up in the outer wall of first wearing layer between the arch, the outer wall laminating of draw-in groove has the elasticity post, link to each other through the connecting piece is fixed between the elasticity post.

Preferably, the inner wall of the first wear-resistant layer is provided with an EVA layer, the inner wall of the EVA layer is filled with a first filling layer, and the inner wall of the first filling layer is attached to the outer wall of the insulating layer.

Preferably, the elastic column is far away from the outer wall side of the clamping groove and is attached with a second wear-resistant layer.

Preferably, the outer wall of the second wear-resistant layer is sleeved with a protective layer.

Preferably, the inner walls of the second wear-resistant layer and the protective layer are respectively provided with a first through hole and a second through hole, and the first through holes are communicated with the second through holes.

Preferably, a second filling layer is arranged in a gap between the inner wall of the second wear-resistant layer and the protrusion.

Advantageous effects

The utility model provides a large-section cable with high mechanical strength, which has the following beneficial effects: this high mechanical strength's large-section type cable, through elasticity post, draw-in groove and bellied cooperation, when the cable receives the extrusion or buckles, can support and protect the conductor through the design of elasticity post, thereby can effectually prevent that the cable from taking place deformation, and then prolong the life of cable, through the design of first wearing layer and second wearing layer, can prevent that elasticity post from rubbing EVA layer and inoxidizing coating, thereby lead to both to lose its performance, lose the guard action to the conductor.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the protrusion, the elastic column and the clamping groove in FIG. 1;

fig. 3 is a schematic structural diagram of the conductor, the first filling layer and the insulating layer in fig. 1.

In the figure: 1. conductor, 2, insulating layer, 3, first filling layer, 4, protruding, 5, EVA layer, 6, draw-in groove, 7, first wearing layer, 8, connecting piece, 9, elastic column, 10, second filling layer, 11, inoxidizing coating, 12, second through-hole, 13, first through-hole, 14, second wearing layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In view of this, the utility model provides a large-section cable with high mechanical strength, through the cooperation of the elastic column, the clamping groove and the bulge, when the cable is extruded or bent, the conductor can be supported and protected through the design of the elastic column, so that the cable can be effectively prevented from being deformed, the service life of the cable is further prolonged, and through the design of the first wear-resistant layer and the second wear-resistant layer, the elastic column can be prevented from rubbing the EVA layer and the protective layer, so that the EVA layer and the protective layer lose the service performance of the EVA layer and the protective effect on the conductor.

The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.

Embodiment one: as can be seen from fig. 1 and 2, a large-section cable with high mechanical strength comprises a conductor 1, wherein an insulating layer 2 is fixedly connected to the outer wall of the conductor 1, and the insulating layer 2 is provided with a wear-resistant unit; the wear-resisting unit comprises a bulge 4, a clamping groove 6, a first wear-resisting layer 7, a connecting piece 8 and an elastic column 9; the first wear-resistant layer 7 is arranged on the outer wall of the insulating layer 2, through the cooperation of the elastic column 9 and the first wear-resistant layer 7, when the elastic column 9 is rubbed or extruded by external force, the elastic column 9 deforms to rub on the outer wall of the first wear-resistant layer 7, the inner ring of the first wear-resistant layer 7 is protected, when the elastic column 9 is not subjected to force, the elastic column 9 automatically rebounds and recovers, a plurality of bulges 4 are arranged on the outer wall of the first wear-resistant layer 7 under the action of the elastic column, clamping grooves 6 arranged on the outer wall of the first wear-resistant layer 7 are arranged between the bulges 4, the bulges 4 are designed to limit the elastic column 9, the elastic column 9 is attached to the outer wall of the clamping grooves 6 to prevent the situation that displacement occurs after the elastic column 9 is extruded, the elastic columns 9 are fixedly connected through connecting pieces 8, and the connecting pieces 8 are designed to connect the elastic columns 9;

in the specific implementation process, it is worth particularly pointing out that through the cooperation of the elastic columns 9 and the first wear-resistant layer 7, when the elastic columns 9 are rubbed or extruded by external force, the elastic columns 9 deform to rub on the outer wall of the first wear-resistant layer 7, the inner ring of the first wear-resistant layer 7 is protected, when the elastic columns 9 are not subjected to force, the elastic columns are automatically rebounded and restored, the connecting piece 8 is designed to connect the elastic columns 9, the bulge 4 is designed to limit the elastic columns 9, and the situation that displacement occurs after the elastic columns 9 are extruded is prevented;

specifically, when the large-section cable with high mechanical strength is used, elastic deformation occurs after the elastic column 9 receives the action of force, and meanwhile, the outer wall of the elastic column 9 acts through the first wear-resistant layer 7, so that the abrasion condition of the elastic column 9 to the EVA layer 5 is reduced, and the conductor 1 inside the insulating layer 2 is protected.

Embodiment two: as can be seen from fig. 1 and fig. 3, the inner wall of the first wear-resistant layer 7 is provided with an EVA layer 5, the inner wall of the EVA layer 5 is filled with a first filling layer 3, the inner wall of the first filling layer 3 is attached to the outer wall of the insulating layer 2, the EVA layer 5 is a random copolymer of ethylene and vinyl acetate, and has high flexibility and elasticity, so that the conductor 1 inside the insulating layer 2 can be better protected, and the first filling layer 3 is designed to support between the insulating layer 2 and the EVA layer 5;

in the specific implementation process, it is worth particularly pointing out that the EVA layer 5 is a random copolymer of ethylene and vinyl acetate, and is rich in flexibility and elasticity, so that the conductor 1 inside the insulating layer 2 can be better protected, and the first filling layer 3 is designed to support between the insulating layer 2 and the EVA layer 5;

further, a second wear-resistant layer 14 is attached to one side of the elastic column 9 away from the outer wall of the clamping groove 6, and the second wear-resistant layer 14 is designed to protect the inner wall of the protective layer 11;

in particular, it should be pointed out that the second wear layer 14 is designed to protect the inner wall of the protective layer 11;

specifically, on the basis of the above embodiment, the EVA layer 5 is a random copolymer of ethylene and vinyl acetate, which is flexible and elastic, so that the conductor 1 inside the insulating layer 2 can be better protected, the first filling layer 3 is designed to support between the insulating layer 2 and the EVA layer 5, and the second wear-resistant layer 14 is designed to protect the inner wall of the protective layer 11, so as to prevent the protective layer 11 from being damaged due to long-time friction between the elastic column 9 and the protective layer 11.

Embodiment III: as can be seen from fig. 1, the outer wall of the second wear-resistant layer 14 is sleeved with a protective layer 11;

in the specific implementation process, it should be noted that the specific material of the protective layer 11 is not limited, and can meet the use requirement;

furthermore, the outer wall of the second wear-resistant layer 14 is sleeved with a protective layer 11, and the protective layer 11 can protect the connecting pieces such as the elastic column 9 and the like and prevent the connecting pieces from being influenced by the outside to reduce the service performance of the connecting pieces;

in the specific implementation process, it is worth particularly pointing out that the protection layer 11 can protect the elastic column 9 and other connecting pieces, so as to prevent the elastic column from being influenced by the outside and reduce the service performance of the elastic column;

further, the inner walls of the second wear-resistant layer 14 and the protective layer 11 are respectively provided with a first through hole 13 and a second through hole 12, the first through hole 13 is communicated with the second through hole 12, and the first through hole 13 and the second through hole 12 are designed to release heat generated by the elastic column 9 during friction;

in the specific implementation process, it should be noted that the first through hole 13 and the second through hole 12 are designed to release the heat generated by the elastic column 9 during friction;

further, a second filling layer 10 is arranged in the gap between the inner wall of the second wear-resistant layer 14 and the bulge 4, when the elastic column 9 rubs with the first wear-resistant layer 7 and the second wear-resistant layer 14 respectively to generate heat, the heat enters the second through hole 12 through the first through hole 13, and the damage to the conductor 1 caused by excessive accumulated heat during normal operation of the conductor 1 is prevented;

in the specific implementation process, it is worth particularly pointing out that the elastic columns 9 rub against the first wear-resistant layer 7 and the second wear-resistant layer 14 respectively to generate heat, and the heat enters the second through holes 12 through the first through holes 13, so that the conductor 1 is prevented from being damaged by excessive heat accumulated during normal operation of the conductor 1;

specifically, on the basis of the above embodiment, the elastic columns 9 respectively rub with the first wear-resistant layer 7 and the second wear-resistant layer 14 to generate heat, the heat enters the second through holes 12 through the first through holes 13, and the heat is released through the second through holes 12, so that the conductor 1 is prevented from being damaged due to excessive heat accumulated during normal operation of the conductor 1.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

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

Claims

1. A high mechanical strength large section cable comprising a conductor (1), characterized in that: an insulating layer (2) is fixedly connected to the outer wall of the conductor (1), and the insulating layer (2) is provided with a wear-resistant unit;

the wear-resistant unit comprises a bulge (4), a clamping groove (6), a first wear-resistant layer (7), a connecting piece (8) and an elastic column (9);

the utility model discloses a wear-resisting layer of insulation layer, including insulating layer (2) and elastic column (9), the outer wall of insulating layer (2) sets up in the outer wall of insulating layer (7), the outer wall of first wear-resisting layer (7) is provided with a plurality of archs (4), be provided with between arch (4) and set up in draw-in groove (6) of the outer wall of first wear-resisting layer (7), the outer wall laminating of draw-in groove (6) has elastic column (9), link to each other through connecting piece (8) are fixed between elastic column (9).

2. A high mechanical strength large section cable according to claim 1, wherein: the inner wall of first wearing layer (7) is provided with EVA layer (5), the inner wall of EVA layer (5) is filled with first filling layer (3), the inner wall of first filling layer (3) is laminated mutually with the outer wall of insulating layer (2).

3. A high mechanical strength large section cable according to claim 1, wherein: and a second wear-resistant layer (14) is attached to one side of the elastic column (9) far away from the outer wall of the clamping groove (6).

4. A high mechanical strength large section cable according to claim 3, wherein: the outer wall of the second wear-resistant layer (14) is sleeved with a protective layer (11).

5. A high mechanical strength large section cable according to claim 3, wherein: the inner walls of the second wear-resistant layer (14) and the protective layer (11) are respectively provided with a first through hole (13) and a second through hole (12), and the first through hole (13) is communicated with the second through hole (12).

6. A high mechanical strength large section cable according to claim 3, wherein: the second filling layer (10) is arranged in the gap between the inner wall of the second wear-resistant layer (14) and the bulge (4).