CN214476630U

CN214476630U - Medium-voltage optical fiber power composite flat rubber jacketed flexible cable

Info

Publication number: CN214476630U
Application number: CN202120749251.5U
Authority: CN
Inventors: 郑平
Original assignee: Shanghai Nanyang Cable Co ltd
Current assignee: Shanghai Nanyang Cable Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-10-22
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a medium-voltage optical fiber power composite flat rubber jacketed flexible cable, which comprises an external protective layer, wherein the external protective layer is flat, the upper side and the lower side of the external protective layer are both provided with arc parts, the middle part of the arc parts is provided with a sunken area, one side of the inner part of the external protective layer, which is close to the middle part, is provided with an optical fiber core, and the other side of the inner part of the external protective layer, which is close to the middle part, is provided with a ground wire core, when the cable is used, the external protective layer can be conveniently and longitudinally bent under the flat state, the upper side and the lower side of the flat are both provided with the arc parts, so that the outer bending ring of the arc parts can not be broken when the external protective layer is transversely bent, the outer protective layer can not be broken when the external protective layer is transversely bent, and the braided rope reinforcing ribs at the middle parts of the two sunken areas can avoid the external protective layer from being repeatedly and transversely bent, damage occurs, and the integrity of the device is ensured.

Description

Medium-voltage optical fiber power composite flat rubber jacketed flexible cable

Technical Field

The utility model relates to the technical field of cables, specifically a compound flat rubber jacketed flexible cable of middling pressure optic fibre power.

Background

In the occasions of material transportation and the like of ports, power plants and the like, users require cables to be capable of conveying high-power electric energy and performing signal control, and the cables also need to withstand frequent small-radius bending and comprehensive action of various mechanical stresses, the flexibility and mechanical stress resistance of the photoelectric composite cables are extremely high, wiring is convenient on the basis of meeting performance requirements, and good use experience is indispensable for customers;

the patent with application number 201820062450.9 proposes a medium-voltage optical fiber power composite flat rubber jacketed flexible cable, which arranges the jacket into a flat shape to ensure better longitudinal bending, but the flat cable is easy to produce transverse bending, and the transverse bending can be broken due to insufficient elasticity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound flat rubber cover flexible cable of middling pressure optic fibre power to solve the cable of flat among the prior art, it easily produces horizontal buckling, and this kind of horizontal buckling can take place cracked problem because elasticity is not enough.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound flat rubber jacketed flexible cable of middling pressure optic fibre power, includes the outside protective layer, the outside protective layer is flat, the last downside of outside protective layer all sets up to arc portion, the middle part of arc portion sets up to the depressed area.

Preferably, one side of the inside of the external protection layer, which is close to the middle part, is provided with an optical fiber core, and the other side of the inside of the external protection layer, which is close to the middle part, is provided with a ground core.

Preferably, the optical fiber core is flat, and the optical fiber core includes the insulating layer, and the outside of insulating layer sets up to the restrictive coating, and the inside of insulating layer is equipped with the conductor.

Preferably, a tensile core is arranged in the middle of the inner part of the insulating layer.

Preferably, both sides of the inside of the external protective layer are provided with power wire cores, and the power wire cores are flat.

Preferably, a braided rope reinforcing rib is fixed in the middle of the inner part of the outer protective layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with the structure that when the cable is used, the longitudinal bending can be conveniently carried out when the external protective layer is in a flat state, the upper side and the lower side of the flat are both provided with the arc-shaped parts, so that the outer ring of the bending of the arc-shaped parts can not be broken when the external protective layer is transversely bent, and the external protective layer can not be broken no matter the external protective layer is transversely or longitudinally bent;

2. the utility model discloses the rope strengthening rib of weaving at two well depressed areas middle parts can avoid the external protection layer when transversely buckling repeatedly, takes place to damage, guarantees the integrality of this device.

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 serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is the structural schematic diagram of the optical fiber core of the present invention.

In the figure: 1. an outer protective layer; 11. an arc-shaped portion; 12. a recessed region; 2. an optical fiber core; 21. a tensile core; 22. a sheath layer; 23. an insulating layer; 24. a conductor; 3. a ground wire core; 4. a power wire core; 5. and weaving rope reinforcing ribs.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

Please refer to fig. 1, in an embodiment of the present invention, a medium-voltage optical fiber power composite flat rubber jacketed flexible cable includes an external protection layer 1, where the external protection layer 1 is flat, upper and lower sides of the external protection layer 1 are all set as arc portions 11, a middle portion of the arc portion 11 is set as a recessed area 12, and the external protection layer 1 can be conveniently bent in a flat state, and upper and lower sides of the flat are all set as the arc portions 11, so that when the external protection layer 1 is transversely bent, a bent outer ring of the arc portion 11 cannot be broken, and it is ensured that the external protection layer 1 cannot be broken regardless of transverse or longitudinal bending;

referring to fig. 1 and 2, an optical fiber core 2 is disposed on one side of the inside of the outer protective layer 1 close to the middle portion, a ground core 3 is disposed on the other side of the inside of the outer protective layer 1 close to the middle portion, the ground core 3 is grounded, and the optical fiber core 2 serves as a main core;

as shown in fig. 1 and 2, the optical fiber core 2 is flat, the optical fiber core 2 includes an insulating layer 23, a sheath layer 22 is disposed outside the insulating layer 23, a conductor 24 is disposed inside the insulating layer 23, a tensile core 21 is disposed in the middle of the inside of the insulating layer 23, the tensile core 21 plays a tensile role, the insulating layer 23 is used for insulation, the sheath layer 22 is used for protecting the optical fiber core 2, and the flat optical fiber core 2 can be bent longitudinally more conveniently;

as shown in fig. 1, power wire cores 4 are arranged on two sides of the inside of the external protective layer 1, the power wire cores 4 are flat, and the flat power wire cores 4 can be used for bending the device longitudinally more conveniently;

as shown in fig. 1, a braided rope reinforcing rib 5 is fixed in the middle of the inside of the outer protection layer 1, and the braided rope reinforcing rib 5 can prevent the outer protection layer 1 from being damaged when being repeatedly bent in the transverse direction.

The utility model discloses a theory of operation and use flow: when the cable is used, the outer protection layer 1 can be conveniently bent under the flat state, the upper side and the lower side of the flat state are respectively provided with the arc-shaped part 11, so that the outer bent ring of the arc-shaped part 11 cannot be broken when the outer protection layer 1 is transversely bent, the outer protection layer 1 cannot be broken no matter the outer protection layer is transversely or longitudinally bent, and the braided rope reinforcing ribs 5 can prevent the outer protection layer 1 from being damaged when the outer protection layer 1 is repeatedly transversely bent;

ground wire core 3 ground connection, optical fiber core 2 is equipped with tensile core 21 in the middle of the inside of insulating layer 23 as main sinle silk, and tensile core 21 plays the tensile effect, and insulating layer 23 is used for insulating, and restrictive coating 22 here is used for protecting optical fiber core 2, and flat optical fiber core 2 can be more convenient make this device vertically buckle, and flat power sinle silk 4 can be more convenient make this device vertically buckle.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a compound flat rubber jacketed flexible cable of middling pressure optic fibre power, includes outside protective layer (1), outside protective layer (1) is flat, its characterized in that: the upper side and the lower side of the outer protective layer (1) are both provided with arc-shaped parts (11), and the middle parts of the arc-shaped parts (11) are provided with depressed areas (12).

2. The medium voltage optical fiber power composite flat rubber-jacketed flexible cable according to claim 1, characterized in that: one side that the inside of outside protective layer (1) is close to the middle part is equipped with optic fibre sinle silk (2), and the inside opposite side that is close to the middle part of outside protective layer (1) is equipped with earth core (3).

3. The medium voltage optical fiber power composite flat rubber-jacketed flexible cable according to claim 2, characterized in that: optical fiber core (2) are flat, and optical fiber core (2) include insulating layer (23), and the outside of insulating layer (23) sets up to restrictive coating (22), and the inside of insulating layer (23) is equipped with conductor (24).

4. The medium voltage optical fiber power composite flat rubber-jacketed flexible cable according to claim 3, characterized in that: and a tensile core (21) is arranged in the middle of the inner part of the insulating layer (23).

5. The medium voltage optical fiber power composite flat rubber-jacketed flexible cable according to claim 4, characterized in that: the power cable core (4) is arranged on two sides of the inner portion of the outer protection layer (1), and the power cable core (4) is flat.

6. The medium voltage optical fiber power composite flat rubber-jacketed flexible cable according to claim 1, characterized in that: the middle of the inside of the external protective layer (1) is fixed with a braided rope reinforcing rib (5).