CN214847889U

CN214847889U - Capacity-increased high-load overhead insulated cable

Info

Publication number: CN214847889U
Application number: CN202121655195.5U
Authority: CN
Inventors: 蔡维科; 蔡维硕; 张勇
Original assignee: Shanghai Zhongrou Cable Co ltd
Current assignee: Shanghai Zhongrou Cable Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-11-23
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a high load aerial insulated cable that can increase capacity in cable technical field, including the insulated cable body, the insulated cable body is by oversheath, first insulating layer, first shielding layer and a plurality of group sinle silk that set gradually in to, it is provided with the filling layer still to fill between first shielding layer and the sinle silk, and is adjacent be equipped with the reinforcement subassembly between the sinle silk, the utility model discloses having consolidated connection between each sinle silk, can preventing the cable from setting up the back and appearing the phenomenon of weighing down that hangs down, factor of safety is high, and has strengthened the insulating properties and the electrical shielding characteristic of insulated cable body, and the practicality is good.

Description

Capacity-increased high-load overhead insulated cable

Technical Field

The utility model relates to the technical field of cables, specifically be the overhead insulated cable of high load that can increase capacity.

Background

With the rapid development of power grid construction, the demand of cables for power grid construction, especially aerial cables, is increasing, and the cable is widely applied to urban power grids and rural power grid lines. The existing capacity-increasable insulated cable is simple in internal structure and single in function, connection among cable cores inside the cable is unstable, the phenomenon of falling easily occurs after erection, potential safety hazards are increased, the insulating capability of the existing insulated cable is poor, and therefore the capacity-increasable high-load aerial insulated cable is provided.

Disclosure of Invention

An object of the utility model is to provide a high load aerial insulated cable that can increase capacity to the problem that the line core connection is unstable and insulating ability is poor in the insulated cable who proposes in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the capacity-increasing high-load overhead insulated cable comprises an insulated cable body, wherein the insulated cable body comprises an outer sheath, a first insulating layer, a first shielding layer and a plurality of groups of wire cores which are sequentially arranged from outside to inside, a filling layer is filled between the first shielding layer and the wire cores, and the filling layer is adjacent to the reinforcing component arranged between the wire cores.

Further: the cable core comprises a conductor, a second shielding layer and a second insulating layer which are sequentially arranged from inside to outside.

Further: the reinforcing component comprises a fixing sleeve, the outer surface of the fixing sleeve is fastened and connected to the outer wall of the wire core, and the fixing sleeve is adjacent to the outer wall of the wire core and fixedly connected with the wire core through a connecting rib.

Further: the outer jacket is made of a polyimide film.

Further: the filling layer is made of tensile fibers.

Further: the outer surface of the second insulating layer is also provided with an inner sheath.

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

1. the utility model discloses a this internal sinle silk of fixed cover and splice bar with insulated cable links together, has consolidated the position of sinle silk, can prevent to appear hanging down the phenomenon after the cable erection, and application safety factor is high, and the practicality is good.

2. The insulating ability and the electric shielding characteristic of the insulated cable body are enhanced through the two groups of insulating layers and the two groups of shielding layers, the outer sheath has heat resistance, radiation resistance and high strength and hydrolysis resistance, the insulated cable can be suitable for severe environments, the service life of the insulated cable body is prolonged, the protection effect is good, and the using effect is good.

Drawings

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

fig. 2 is the utility model discloses sinle silk inner structure cross-sectional view.

In the figure: 1. an insulated cable body; 2. an outer sheath; 3. a first insulating layer; 4. a first shielding layer; 5. a filling layer; 6. a wire core; 7. fixing a sleeve; 8. connecting ribs; 9. an inner sheath; 10. a second insulating layer; 11. a second shielding layer; 12. a conductor.

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.

Example 1:

referring to fig. 1, the present invention provides a technical solution: high load aerial insulated cable that can increase capacity, including insulated cable body 1, insulated cable body 1 includes by outer oversheath 2 that sets gradually to interior, first insulation layer 3, first shielding layer 4 and a plurality of group sinle silk 6, it is provided with filling layer 5 still to fill between first shielding layer 4 and the sinle silk 6, be equipped with the reinforcement subassembly between the adjacent sinle silk 6, oversheath 2 has the heat resistance, resistant radiation and high strength are separated water, insulated cable is applicable in high temperature and microthermal adverse circumstances, insulated cable body 1's life has been prolonged, can play preliminary insulation and shielding electrical characteristic through first insulation layer 3 and second shielding layer 4, can consolidate the connection between each sinle silk 6 through the reinforcement subassembly.

Referring to fig. 2, preferably, the wire core 6 includes a conductor 12, a second shielding layer 11 and a second insulating layer 10, which are sequentially disposed from inside to outside, and the second shielding layer 11 and the second insulating layer 10 on the wire core 6 are matched with the first insulating layer 3 and the first shielding layer 4, so as to improve the insulating ability and the electrical shielding property of the insulated cable body 1.

Referring to fig. 1, preferably, the reinforcing assembly includes a fixing sleeve 7, the outer surface of the fixing sleeve 7 is fastened and connected to the outer walls of the cores 6, the adjacent cores 6 are fixedly connected with each other through a connecting rib 8, the fixing sleeve 7 and the connecting rib 8 can reinforce the connection between the cores 6, so as to prevent the cable from sagging after being erected, and the safety factor of use is high,

referring to fig. 1, preferably, the outer jacket 2 is made of a polyimide film.

Referring to fig. 1, preferably, the filling layer 5 is made of tensile fibers, and the tensile fibers improve the tensile strength of the insulated cable body 1.

Example 2:

referring to fig. 2, this embodiment is different from the first embodiment in that: the outer surface of the second insulating layer 10 is further provided with an inner sheath 9, and the inner sheath 9 can protect the conductor 12 in the insulating cable body 1 from the inner side direction and can prevent the conductor 12 from being damaged.

The working principle is as follows: in use the utility model discloses, at first, oversheath 2 contacts external environment, oversheath 2 has the heat resistance, resistant radiation and high strength are separated hydrolysis, insulated cable is applicable in high temperature and microthermal adverse circumstances, insulated cable body 1's life has been prolonged, first insulation layer 3, first shielding layer 4, can improve insulated cable body 1's insulating ability and electrical shielding characteristic between second insulation layer 10 and the second shielding layer 11, sinle silk 6 through reinforcing cover 7 and the 8 connection of splice bar are connected stably, position between each sinle silk 6 has been consolidated, can prevent the cable erection back appearance phenomenon of drooping, factor of safety in use is high, the practicality is good.

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. High load overhead insulated cable that can increase capacity, including insulated cable body (1), its characterized in that: insulating cable body (1) includes by outer oversheath (2), first insulating layer (3), first shielding layer (4) and a plurality of group sinle silk (6) that set gradually in to, it is provided with filling layer (5) still to fill between first shielding layer (4) and sinle silk (6), and is adjacent be equipped with the reinforcement subassembly between sinle silk (6).

2. The scalable high load overhead insulated cable of claim 1, wherein: the cable core (6) comprises a conductor (12), a second shielding layer (11) and a second insulating layer (10) which are sequentially arranged from inside to outside.

3. The scalable high load overhead insulated cable of claim 1, wherein: the reinforcing component comprises a fixing sleeve (7), the outer surface of the fixing sleeve (7) is fastened and connected on the outer wall of the wire core (6) and is adjacent to the wire core (6) through a connecting rib (8) in fixed connection.

4. The scalable high load overhead insulated cable of claim 1, wherein: the outer sheath (2) is made of a polyimide film.

5. The scalable high load overhead insulated cable of claim 1, wherein: the filling layer (5) is made of tensile fibers.

6. The scalable high load overhead insulated cable of claim 2, wherein: the outer surface of the second insulating layer (10) is also provided with an inner sheath (9).