CN219696127U

CN219696127U - Multifunctional reinforced overhead insulated cable

Info

Publication number: CN219696127U
Application number: CN202321155565.8U
Authority: CN
Inventors: 闫秋善; 黄颖茂
Original assignee: Hanzheng Cable Co ltd
Current assignee: Hanzheng Cable Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-09-15
Anticipated expiration: 2033-05-15

Abstract

The utility model relates to the technical field of insulated cables, in particular to a multifunctional reinforced overhead insulated cable, which comprises an outer insulating layer, wherein a reinforcing layer is fixedly connected to the inner surface of the outer insulating layer in a penetrating manner, an inner insulating layer is fixedly connected to the inner surface of the reinforcing layer in a penetrating manner, a plurality of cable cores are fixedly connected to the inner surface of the inner insulating layer in a penetrating manner, and the cable cores are distributed in an annular array and are not contacted with each other. According to the multifunctional reinforced overhead insulated cable, the outer insulating layer and the inner insulating layer are arranged, the plurality of cable cores in the cable are all positioned in the inner insulating layer, the double-layer insulating layer can well protect the cable cores, the insulation of the device is prevented from being reduced due to aging of the outer insulating layer after the cable is used for a period of time, the irregular shape of the outer surface of the inner insulating layer can be clamped with the limiting grooves on the inner surface of the reinforcing layer, and the cable cores in the cable can be prevented from being twisted when being wound.

Description

Multifunctional reinforced overhead insulated cable

Technical Field

The utility model relates to the technical field of insulated cables, in particular to a multifunctional reinforced overhead insulated cable.

Background

The overhead insulated cable has good insulating property, electrical property and mechanical strength, is widely applied to urban and rural power grids, replaces bare wires and black wires, is generally air-based on ground insulation of overhead wires of high-voltage transmission and distribution networks, and adopts the bare wires for the prior distribution lines (380V below 10 kV), but due to complex urban distribution environment, short circuit grounding and lightning stroke lines often occur, so that the power supply reliability is reduced, and the overhead lines below 10kV at present adopt insulated wires (namely, the outer layers of the wires are wrapped with insulating layers), so that is the overhead insulated cable;

after the conventional overhead insulated cable is used for a period of time, the external insulating layer is easy to age and crack due to wind, sun and the like, so that the insulativity of the cable is reduced, and danger is easy to cause, and therefore, the novel multifunctional reinforced overhead insulated cable is provided.

Disclosure of Invention

The utility model mainly aims to provide a multifunctional reinforced overhead insulated cable which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a multi-functional strenghthened type aerial insulated cable, includes the outside insulating layer, outside insulating layer internal surface alternates fixedly connected with enhancement layer, enhancement in-situ surface alternates fixedly connected with inside insulating layer, inside insulating layer internal surface alternates fixedly connected with a plurality of cable core, a plurality of cable core annular array distributes and each other does not contact.

Preferably, the inner insulating layer comprises a quincuncial colloid, an optical fiber hole and a plurality of fixing holes are formed in the quincuncial colloid, the fixing holes are distributed in an annular array and are not contacted with each other, the optical fiber hole is positioned between the fixing holes and is not contacted with the fixing holes, and the cable cores are fixedly connected with the fixing holes in an penetrating mode.

Preferably, the reinforcing layer comprises an air colloid, two reverse reinforcing ribs and two forward reinforcing ribs are arranged in the air colloid, and a limiting groove is formed in the middle of the front end of the air colloid.

Preferably, the two reverse reinforcing ribs and the two forward reinforcing ribs are staggered at equal distances.

Preferably, the two reverse reinforcing ribs, the two forward reinforcing ribs and the air colloid are integrated into a whole.

Preferably, the limit groove is located in the quincuncial colloid and is fixedly connected in a penetrating mode, the air colloid is fixedly connected with the outer insulating layer in a penetrating mode, and the two reverse reinforcing ribs and the two forward reinforcing ribs are not in contact with the outer insulating layer and the inner insulating layer.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the external insulating layer and the internal insulating layer are arranged in the device, and the plurality of cable cores in the cable are all positioned in the internal insulating layer, so that the double-layer insulating layer can well protect the cable cores, the insulation of the device is prevented from being reduced due to aging of the external insulating layer after the cable is used for a period of time, the irregular shape of the outer surface of the internal insulating layer can be clamped with the limit groove on the inner surface of the reinforcing layer, and the cable cores in the cable can be prevented from being twisted when being wound;

2. according to the utility model, the optical fiber holes and the plurality of fixing holes are formed in the inner insulating layer, the plurality of fixing holes are used for fixing the plurality of cable cores, the optical fiber holes are positioned among the plurality of fixing holes, when the optical fiber is required to be laid in a certain section of line, the whole cable can be directly pinched off, the wiring is carried out through the optical fiber holes, finally, the cable is connected, the optical fiber is routed through the optical fiber holes in the cable, so that the fragile optical fiber can be well protected, and the fragile optical fiber is prevented from being damaged in use.

Drawings

FIG. 1 is a schematic view of the overall structure of a multifunctional reinforced overhead insulated cable of the present utility model;

FIG. 2 is a schematic view showing the overall structure of a multifunctional reinforced overhead insulated cable according to the present utility model;

FIG. 3 is a schematic view of the overall structure of a reinforcing layer of a multifunctional reinforced overhead insulated cable according to the present utility model;

fig. 4 is a schematic view of the overall structure of an inner insulation layer of a multifunctional reinforced overhead insulated cable according to the present utility model.

In the figure: 1. an external insulating layer; 2. a reinforcing layer; 3. an internal insulating layer; 4. a cable core; 21. a gas colloid; 22. a limit groove; 23. reverse reinforcing ribs; 24. a forward reinforcing rib; 31. quincuncial colloid; 32. an optical fiber hole; 33. and a fixing hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a multi-functional strenghthened type aerial insulated cable, includes outside insulating layer 1, and outside insulating layer 1 internal surface alternates fixedly connected with enhancement layer 2, and enhancement layer 2 internal surface alternates fixedly connected with inside insulating layer 3, and inside insulating layer 3 internal surface alternates fixedly connected with a plurality of cable core 4, and a plurality of cable core 4 annular array distributes and each other does not contact.

In this embodiment, inside insulating layer 3 includes quincuncial colloid 31, the inside division of quincuncial colloid 31 has fiber hole 32 and a plurality of fixed orifices 33, a plurality of fixed orifices 33 annular array distributes and each other contactless, fiber hole 32 is located between a plurality of fixed orifices 33 and contactless, a plurality of cable core 4 alternates fixed connection with a plurality of fixed orifices 33 respectively, through being provided with outside insulating layer 1 and inside insulating layer 3 in this device, and a plurality of cable core 4 in the cable all is located inside the inside insulating layer 3, double-deck insulating layer can be fine protect cable core 4, avoid outside insulating layer 1 to appear ageing after the cable uses a period and lead to the insulating nature of this device to descend.

In this embodiment, the reinforcing layer 2 includes the air colloid 21, air colloid 21 inside is provided with two reverse strengthening ribs 23 and two forward strengthening ribs 24, open at air colloid 21 front end middle part has spacing groove 22, two reverse strengthening ribs 23 and two forward strengthening ribs 24 equal distance add the mistake each other and distribute, two reverse strengthening ribs 23, two forward strengthening ribs 24 and air colloid 21 are integrated into one piece mechanism, spacing groove 22 is located plum blossom colloid 31 and alternates fixed connection, air colloid 21 alternates fixed connection with outside insulating layer 1, two reverse strengthening ribs 23 and two forward strengthening ribs 24 and outside insulating layer 1 and inside insulating layer 3 all do not contact, through being provided with the enhancement layer 2 in this cable, air colloid 21 in the enhancement layer 2 can ensure the holistic compliance of cable, and two reverse strengthening ribs 23 and two forward strengthening ribs 24 in the enhancement layer 2 can ensure the holistic toughness of cable, can reduce the condition that the cable breaks when using under severe weather such as strong wind.

It should be noted that, the multifunctional reinforced overhead insulated cable is provided with the external insulating layer 1 and the internal insulating layer 3, and the cable cores 4 in the cable are all positioned inside the internal insulating layer 3, the double-layer insulating layer can well protect the cable cores 4, the insulation of the device is prevented from being reduced due to aging of the external insulating layer 1 after the cable is used for a period of time, the irregular shape of the outer surface of the internal insulating layer 3 can be clamped with the limit groove 22 on the inner surface of the reinforcing layer 2, the cable cores 4 in the cable can be prevented from being twisted when being wound, the optical fiber holes 32 and the fixing holes 33 are formed in the internal insulating layer 3, the fixing holes 33 are used for fixing the cable cores 4, the optical fiber holes 32 are positioned among the fixing holes 33, when the optical fiber needs to be laid in a certain section of line, the whole cable can be directly cut off, the cable can be finally connected through the optical fiber holes 32, the optical fiber can be well protected from being damaged when the optical fiber is used, and the fragile optical fiber can be well protected.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a multi-functional strenghthened type aerial insulated cable, includes outside insulating layer (1), its characterized in that: the inner surface of the outer insulating layer (1) is fixedly connected with a reinforcing layer (2) in a penetrating way, the inner surface of the reinforcing layer (2) is fixedly connected with an inner insulating layer (3) in a penetrating way, the inner surface of the inner insulating layer (3) is fixedly connected with a plurality of cable cores (4) in a penetrating way, and the cable cores (4) are distributed in an annular array and are not contacted with each other;

the inner insulating layer (3) comprises a quincuncial colloid (31), an optical fiber hole (32) and a plurality of fixing holes (33) are formed in the quincuncial colloid (31), the fixing holes (33) are distributed in an annular array and are not contacted with each other, the optical fiber hole (32) is located between the fixing holes (33) and is not contacted with the fixing holes (33), and the cable cores (4) are fixedly connected with the fixing holes (33) in an penetrating mode.

2. A multi-functional reinforced overhead insulated cable according to claim 1, wherein: the reinforcing layer (2) comprises an air colloid (21), two reverse reinforcing ribs (23) and two forward reinforcing ribs (24) are arranged in the air colloid (21), and a limiting groove (22) is formed in the middle of the front end of the air colloid (21).

3. A multi-functional reinforced overhead insulated cable according to claim 2, wherein: the two reverse reinforcing ribs (23) and the two forward reinforcing ribs (24) are distributed in a staggered manner at equal distances.

4. A multi-functional reinforced overhead insulated cable according to claim 2, wherein: the two reverse reinforcing ribs (23), the two forward reinforcing ribs (24) and the air colloid (21) are integrated into a whole.

5. A multi-functional reinforced overhead insulated cable according to claim 2, wherein: the limiting groove (22) is located in the quincuncial colloid (31) in a penetrating and fixing mode, the air colloid (21) is connected with the outer insulating layer (1) in a penetrating and fixing mode, and the two reverse reinforcing ribs (23) and the two forward reinforcing ribs (24) are not in contact with the outer insulating layer (1) and the inner insulating layer (3).