CN218447270U

CN218447270U - Low wind pressure overhead insulated cable

Info

Publication number: CN218447270U
Application number: CN202222289164.3U
Authority: CN
Inventors: 高红阳; 郑永飞; 王鹏; 杨周
Original assignee: Wuxi Jiangnan Cable Co Ltd
Current assignee: Wuxi Jiangnan Cable Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2023-02-03
Anticipated expiration: 2032-08-30

Abstract

The utility model discloses a low wind pressure aerial insulated cable, including the cable main part, the cable main part comprises copper sandwich layer, an aluminium sandwich layer, no. two aluminium sandwich layers and oversheath, the copper sandwich layer corresponds the stranding and becomes cylindrically, an aluminium sandwich layer corresponds the stranding outside at the copper sandwich layer. The utility model discloses an install the strengthening part in the cable main part, can carry out safety shielding and insulation treatment to the cable main part, and compromise good weatherability, evenly distributed has a plurality of wind-guiding parts simultaneously in the cable main part, can lead the operation to the wind pressure with the help of the wind-guiding part of integrative installation in the cable main part, reduce the backward flow district, thereby order about the air current and keep away from the effect that realizes low wind pressure with the cable main part, reduce the windage, the last removable round platform that two symmetries were equipped with of symmetry installation of wind-guiding part simultaneously, and then can realize the ascending air current direction of a plurality of directions, accommodation is wide, the safety in utilization of cable main part has been guaranteed.

Description

Low wind pressure overhead insulated cable

Technical Field

The utility model relates to a relevant technical field of aerial [ insulated ] cable specifically is built on stilts insulated cable of low wind pressure.

Background

In recent years, the number of overhead transmission lines in China is greatly increased, but due to the influence of factors such as climate and environment of an erection area and the examination of various natural conditions and climate conditions such as wind, rain, snow, ice and the like, in recent years, extremely strong convection weather frequently occurs, so that large-area pole-falling and line-breaking faults occur in distribution lines in local areas, the transmission lines pass through coastal areas, wind gap areas and high-mountain canyons, the effect of wind greatly affects wires, and therefore, the great loss of personnel and fund is caused;

through the research, cause overhead transmission line stability variation's the main factor to derive from wire wind load, so the low wind pressure wire product of development becomes inevitable selection, helps reducing the wind pressure that the wire received to minimum, ensures overhead transmission line's safe operation, in order to satisfy the market demand conscientiously, the utility model provides a low wind pressure overhead insulated cable.

The prior art has the following defects: the insulation and shielding performance of present cable self are not good, therefore in use easily receives external environment's interference influence for whole life shortens, and present cable can't lead to the reposition of redundant personnel to the air current after with the air current contact, therefore the air current direct action leads to the windage of cable great on the cable, very easily appears the distribution lines and takes place the problem of the broken string trouble of pole of falling the pole by a large scale.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low wind pressure aerial insulated cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: low wind pressure aerial insulated cable, including the cable main part, the cable main part comprises copper sandwich layer, aluminium sandwich layer, no. two aluminium sandwich layers and oversheath, the copper sandwich layer corresponds to strand into cylindrically, no. one aluminium sandwich layer corresponds the transposition and is outside at the copper sandwich layer, no. two aluminium sandwich layers correspond the transposition and outside No. one aluminium sandwich layer, oversheath parcel cover is established outside No. two aluminium sandwich layers, install the reinforcement member between No. two aluminium sandwich layers and the oversheath, the outside spacer sleeve of cable main part is equipped with a plurality of guide parts.

As a further preferred aspect of the present technical solution, the copper core layer, the first aluminum core layer, and the second aluminum core layer are sequentially stacked and distributed in the outer sheath, and the copper core layer, the first aluminum core layer, and the second aluminum core layer are in corresponding contact with each other.

As a further preferred of this technical scheme, the reinforcement component includes shielding layer, insulating layer, shielding layer parcel cover is established and is carried out the separation in No. two aluminium core layer outsides, the insulating layer corresponds the parcel cover and establishes in the shielding layer outside, and insulating layer and oversheath laminating contact.

As a further preferred aspect of the present invention, the shielding layer is specifically formed by weaving a copper foil, and the insulating layer is specifically made of a black weather-resistant silane crosslinked polyethylene insulating material.

As a further preferred feature of this technical scheme, the air guide part includes a semicircle ring, no. two semicircle rings, two connecting portions, two first round platform semi-rings and two second round platform semi-rings, the semicircle ring can correspond with No. two semicircle rings and splice into a circle, and a semicircle ring, no. two semicircle rings can correspond the concatenation cover and establish outside the cable main part, and two connecting portions correspond and install in a semicircle ring, no. two semicircle ring junctions, and the integrative symmetry of No. two first round platform semi-rings is installed in a semicircle ring both sides wall, and the integrative symmetry of No. two round platform semi-rings is installed in No. two semicircle ring both sides walls.

As a further preferred aspect of the present technical solution, the surfaces of the first circular truncated cone half ring and the second circular truncated cone half ring are both subjected to smoothing treatment, and the first circular truncated cone half ring and the second circular truncated cone half ring are configured to the first semicircular ring and the second semicircular ring.

As a further preferred of this technical scheme, connecting portion include two constant head tanks, two locating pieces, two thread grooves, two reservation district and two reinforcing bolts, the constant head tank symmetry is seted up in semicircle ring top both sides, locating piece an organic whole is installed in No. two semicircle ring bottom both sides, and the locating piece correspondence alternates to the constant head tank in, reservation district symmetry is seted up in semicircle ring both sides wall and is located constant head tank one side, the thread groove is seted up at the locating piece lateral wall, reinforcing bolt hides in the reservation district and corresponds screws in the thread groove.

The utility model provides a low wind pressure aerial insulated cable possesses following beneficial effect:

(1) The utility model discloses a be equipped with wind-guiding part, wind-guiding part is in the even slope structure of cable main part transition department, consequently can lead the operation to the air current through the slope structure that a round platform semi-ring, no. two round platform semi-rings formed when the air current passes through the cable main part for separation is realized to gas and cable main part, has reduced the recirculation zone, and can lead to the air current of different wind directions, has increased the result of use of cable main part.

(2) The utility model discloses a be equipped with the protection part, be equipped with the shielding layer in the cable main part, can carry out the safety shield protection to copper sandwich layer, an aluminium sandwich layer, no. two aluminium sandwich layers in it, guarantee the stability in carrying, can carry out insulation protection to copper sandwich layer, an aluminium sandwich layer, no. two aluminium sandwich layers with the help of the insulating layer, promoted the dielectric strength of cable main part to compromise good weather-resistant effect, prolonged the life of cable main part.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a reinforcing member of the present invention;

fig. 3 is a schematic view of the installation of the wind guide part of the present invention on the cable main body;

fig. 4 is a schematic view of the wind guide part of the present invention separated from the cable main body;

fig. 5 is a schematic structural view of the wind guide part of the present invention.

In the figure: 1. a cable body; 2. a copper core layer; 3. a first aluminum core layer; 4. a second aluminum core layer; 5. an outer sheath; 6. a shielding layer; 7. an insulating layer; 8. a first semicircular ring; 9. a second semicircular ring; 10. a first circular truncated cone semi-ring; 11. a second circular truncated cone semi-ring; 12. positioning a groove; 13. positioning a block; 14. a thread groove; 15. a reserved area; 16. and reinforcing the bolt.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The utility model provides a technical scheme: as shown in fig. 1 and 2, in this embodiment, low wind pressure aerial insulated cable, including cable main body 1, cable main body 1 comprises copper core layer 2, no. 3 aluminium core layer, no. 4 aluminium core layers and oversheath 5, copper core layer 2 corresponds to twist into cylindrical, no. 3 aluminium core layers correspond to twist and wind in 2 outsides of copper core layer, no. 4 aluminium core layers correspond to twist and wind in 3 outsides of No. 3 aluminium core layers, oversheath 5 parcel cover is established in 4 outsides of No. two aluminium core layers, install the reinforcement member between No. 4 aluminium core layers and oversheath 5, 1 outside spacer sleeve of cable main body is equipped with a plurality of wind-guiding members, copper core layer 2, no. 3 aluminium core layers and No. 4 superpose the distribution in proper order in oversheath 5, and correspond between copper core layer 2, no. 3 aluminium core layers and No. 4 and contact.

As shown in fig. 2 and 3, the reinforcing component includes a shielding layer 6, an insulating layer 7, the shielding layer 6 is wrapped and sleeved on the outside of the second aluminum core layer 4 for separation, the insulating layer 7 is wrapped and sleeved on the outside of the shielding layer 6 correspondingly, the insulating layer 7 is in contact with the outer sheath 5 in a laminating manner, the shielding layer 6 is formed by weaving a foreign white copper material, the insulating layer 7 is made of a black weather-resistant silane cross-linked polyethylene insulating material, the copper core layer 2 can be protected by the insulating layer 7, the first aluminum core layer 3 and the second aluminum core layer 4 are protected in an insulating manner, the insulating strength of the cable body 1 is improved, and a good weather-resistant effect is taken into consideration.

As shown in fig. 4 and 5, the air guiding component includes a first semicircular ring 8, a second semicircular ring 9, two connecting portions, a first circular truncated cone semi-ring 10 and a second circular truncated cone semi-ring 11, the first semicircular ring 8 and the second semicircular ring 9 can be correspondingly spliced into a circular shape, the first semicircular ring 8 and the second semicircular ring 9 can be correspondingly spliced and sleeved outside the cable body 1, the two connecting portions are correspondingly installed at the connecting positions of the first semicircular ring 8 and the second semicircular ring 9, the first circular truncated cone semi-ring 10 and the second circular truncated cone semi-ring 9 are integrally and symmetrically installed on the two side walls of the first semicircular ring 8, the second circular truncated cone semi-ring 11 is integrally and symmetrically installed on the two side walls of the second circular truncated cone semi-ring 9, the surfaces of the first circular truncated cone semi-ring 10 and the second circular truncated cone semi-ring 11 are both subjected to smoothing treatment, and the first circular truncated cone semi-ring 10, the second circular truncated cone semi-ring 11, the first circular truncated cone semi-ring 8 and the second circular truncated cone semi-ring 9 are arranged in a matching manner, when the air flow passes through the cable body 1, the inclined structure formed by the first circular truncated cone semi-ring 10 and the second circular truncated cone semi-ring 11 can guide operation of the air flow, so that the gas is separated from the cable body 1, and the backflow area is reduced.

As shown in fig. 5, connecting portion include two constant head tanks 12, two locating pieces 13, two thread grooves 14, two reservation sections 15 and two reinforcing bolts 16, constant head tank 12 symmetry is seted up in 8 top both sides of semicircle ring one, locating piece 13 an organic whole is installed in 9 bottom both sides of semicircle ring two, and locating piece 13 corresponds to alternate to in the constant head tank 12, reservation section 15 symmetry is seted up in 8 both sides walls of semicircle ring one and is located constant head tank 12 one side, thread groove 14 is seted up at locating piece 13 lateral wall, reinforcing bolt 16 hides in reservation section 15 and corresponds screws in thread groove 14, with the help of under the cooperation of locating piece 13 and constant head tank 12, can realize half ring one 8, no. two semicircle rings 9 splice.

The utility model provides a low wind pressure aerial insulated cable, concrete theory of operation as follows: the cable body 1 is internally provided with the reinforcing component, so that the cable body 1 can be safely shielded and insulated, the safety of the cable body 1 in subsequent use is ensured, good weather resistance is considered, meanwhile, a plurality of air guide components are uniformly distributed on the cable body 1, the air pressure can be guided by virtue of the air guide components integrally arranged on the cable body 1, a backflow area is reduced, the effect of low air pressure is realized by driving air flow to be separated from the cable body 1, meanwhile, two detachable circular truncated cones symmetrically arranged on the air guide components are symmetrically arranged, so that the air flow guiding in multiple directions can be realized, the application range is wide, and the use safety of the cable body 1 is ensured;

when the cable body 1 is subjected to insulation protection: by arranging the protection component, the shielding layer 6 is assembled in the cable main body 1, the copper core layer 2, the first aluminum core layer 3 and the second aluminum core layer 4 in the cable main body can be safely shielded and protected, the stability in conveying is ensured, the insulation protection can be performed on the copper core layer 2, the first aluminum core layer 3 and the second aluminum core layer 4 by virtue of the insulation layer 7, the insulation strength of the cable main body 1 is improved, the good weather-proof effect is taken into consideration, and the service life of the cable main body 1 is prolonged;

when guiding the air flow around the cable main body 1: through being equipped with wind-guiding part, can realize the quick concatenation with cable body 1 with the help of No. one semicircle ring 8 and No. two semicircle rings 9 cooperation, and can splice No. one round platform semi-ring 10, no. two round platform semi-rings 11, make wind-guiding part at the even slope structure of cable body 1 transition department, consequently, when the air current passes through cable body 1 through No. one round platform semi-ring 10, the slope structure that No. two round platform semi-rings 11 formed can lead the operation to the air current, reduce the windage, make gas and cable body 1 realize separating, the recirculation zone has been reduced, and can lead to the air current of different wind directions, the result of use of cable body 1 has been increased, and under the assistance of connecting portion, with the help of locating piece 13 and constant head tank 12's cooperation, can realize the concatenation to No. one semicircle ring 8, no. two semicircle rings 9, can realize the fixing to No. one semicircle ring 8 and No. two semicircle rings 9 with the help of reinforcing bolt 16 and thread groove 14, the stability of follow-up use has been guaranteed, and it is convenient to dismantle wholly.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description of specification and drawing, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, and conventional model no longer details here, and the content of not doing detailed description in this specification if the conventional circuit appears and problem such as control connection all belongs to the prior art that technical staff in the field knows, no longer too much neoplasms are complained.

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 low wind pressure aerial insulated cable, includes cable main body (1), its characterized in that: the cable body (1) comprises a copper core layer (2), a first aluminum core layer (3), a second aluminum core layer (4) and an outer sheath (5), wherein the copper core layer (2) is correspondingly twisted into a cylindrical shape, the first aluminum core layer (3) is correspondingly twisted outside the copper core layer (2), the second aluminum core layer (4) is correspondingly twisted outside the first aluminum core layer (3), the outer sheath (5) is wrapped and sleeved outside the second aluminum core layer (4), a reinforcing component is installed between the second aluminum core layer (4) and the outer sheath (5), and a plurality of air guide components are arranged on the outer spacer sleeve of the cable body (1).

2. The low wind pressure overhead insulated cable of claim 1, characterized in that: copper core layer (2), aluminium core layer (3) and No. two aluminium core layers (4) superpose the distribution in proper order in outer sheath (5), and correspond the contact between copper core layer (2), aluminium core layer (3) and No. two aluminium core layers (4).

3. The low wind pressure overhead insulated cable of claim 1, characterized in that: the reinforcing part comprises a shielding layer (6) and an insulating layer (7), the shielding layer (6) is wrapped and sleeved outside the second aluminum core layer (4) for separation, the insulating layer (7) corresponds to the wrapping and sleeved outside the shielding layer (6), and the insulating layer (7) is in contact with the outer sheath (5) in a laminating manner.

4. The overhead insulated cable of low wind pressure of claim 1, characterized in that: the wind-guiding part includes semicircle ring (8), no. two semicircle rings (9), two connecting portion, no. two round platform semi-rings (10) and No. two round platform semi-rings (11), semicircle ring (8) can correspond with No. two semicircle rings (9) and splice into circularly, and semicircle ring (8), no. two semicircle rings (9) can correspond the concatenation cover and establish in cable main part (1) outside, and two connecting portion correspond and install in semicircle ring (8), no. two semicircle ring (9) junctions, and the integrative symmetry of No. two round platform semi-rings (10) is installed in semicircle ring (8) both sides wall, and the integrative symmetry of No. two round platform semi-rings (11) is installed in No. two semicircle ring (9) both sides wall.

5. The low wind pressure overhead insulated cable of claim 4, characterized in that: the surfaces of the first circular truncated cone half ring (10) and the second circular truncated cone half ring (11) are both subjected to smoothing treatment, and the first circular truncated cone half ring (10) and the second circular truncated cone half ring (11) are matched with the first semicircular ring (8) and the second semicircular ring (9).

6. The low wind pressure overhead insulated cable of claim 4, characterized in that: connecting portion include two constant head tanks (12), two locating pieces (13), two thread grooves (14), two reservation districts (15) and two reinforcing bolt (16), constant head tank (12) symmetry is seted up in semicircle ring (8) top both sides, locating piece (13) an organic whole is installed in No. two semicircle ring (9) bottom both sides, and locating piece (13) correspond to alternate to in constant head tank (12), reservation district (15) symmetry is seted up in semicircle ring (8) both sides wall and is located constant head tank (12) one side, thread groove (14) are seted up in locating piece (13) lateral wall, reinforcing bolt (16) are hidden in reservation district (15) and correspond and are screwed in thread groove (14).