CN210167146U

CN210167146U - High-strength insulating overhead cable

Info

Publication number: CN210167146U
Application number: CN201921129694.3U
Authority: CN
Inventors: 牛思婷
Original assignee: 牛思婷
Current assignee: Jiangsu Ancheng Cable Co., Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-03-20
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses an insulating aerial [ insulated ] cable of high strength, its structure includes insulating layer, cable, and the insulating layer is located around the cable, and the inside waterproof layer that is equipped with of insulating layer, waterproof layer are equipped with waterstop, heat insulating ring, insulating cover, protective layer, and inside the insulating layer was located to the cable inlays, and the cable includes the conductor wire, and the conductor wire is equipped with filling layer, conductor, packing element, bears enhancement core, cable core, the utility model discloses a novel waterstop on the waterproof layer for also can prevent rainwater infiltration in rainwater weather, adopt novel heat insulating ring, make aerial [ insulated ] cable difficult be shone ageing, adopt the interior enhancement core that bears of novel conductor wire, make the cable can not take place the phenomenon of splitting, avoid causing the.

Description

High-strength insulating overhead cable

Technical Field

The utility model belongs to the technical field of the cable technique and specifically relates to an insulating aerial [ insulated ] cable of high strength.

Background

The overhead cable is an overhead conductor with insulating layer and protective sheath, and is a special cable made by adopting the production process similar to that of cross-linked cable, and is a new power transmission mode between overhead conductor and underground cable. The aerial cable is a single core and can be divided into a duralumin wire structure, an aluminum alloy wire structure, a steel core or aluminum alloy core supporting structure, a self-supporting three-core texture structure and the like according to different structures. The power supply system has the main characteristics of high power supply reliability, good power supply safety, convenience in erection and maintenance, reasonable economy and the like. The main technical parameters comprise weather resistance, insulation level, inner and outer semi-conductive shielding layers.

However, the existing high-strength insulated overhead cable is limited in overhead span and large in overhead size, so that the cost is increased, the capacity of resisting external wind and rainy days is poor, the electric leakage phenomenon is caused by water and water permeation easily, the cable is easy to age and damage after being exposed to the outside for a long time, and the cable is easy to break and cause accidents if being exposed to thunderstorm and strong wind weather and hail freezing.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model discloses a realize through following technical scheme: the utility model provides an insulating aerial [ insulated ] cable of high strength, its structure includes insulating layer, cable, the insulating layer is located around the cable, the inside waterproof layer that is equipped with of insulating layer, the waterproof layer is equipped with waterstop, heat insulating ring, insulating cover, protective layer, the waterstop is installed on the waterproof layer, heat insulating ring winding is around the waterproof layer, insulating cover cooperation is installed in the heat insulating ring and the waterproof layer outside, the protective layer is inlayed inside the waterproof layer.

As a further optimization of the technical scheme, the cable is embedded inside the insulating layer, the cable includes a conductive wire, the conductive wire is provided with a filling layer, a conductor, a rubber tube, a bearing reinforcing core and a cable core, the filling layer is arranged in a gap inside the conductive wire, the conductor is connected inside the conductive wire through the gap, the rubber tube is embedded and fixed on the outer surface of the conductor, the bearing reinforcing core is connected in the conductor through welding, and the cable core is installed inside the bearing reinforcing core through matching.

As a further optimization of the technical scheme, the intervals between the water stops are equal, the heat insulation rings are tightly attached to the outer sides of the waterproof layers, and the protective layers are connected to the outer surfaces of the cables through gaps.

As a further optimization of the technical solution, the two ends of the load-bearing reinforcing core and the cable core are connected to the inner side of the conductor by welding.

As a further optimization of the technical scheme, the water stop and the rubber tube are both cylindrical, the height of the rubber tube is equal to the thickness of the conducting wire, and the insulating sleeve is made of rubber.

Advantageous effects

The utility model relates to an insulating aerial [ insulated ] cable of high strength compares with prior art and has following advantage: bear the weight of and strengthen the core and install inside the cable for the cable reinforcement is more stable and can not take place the phenomenon of rupture, and the insulating layer temperature of cable risees under the insolation of sun, and thermal-insulated ring wherein plays the effect of protection cable, makes the difficult emergence ageing phenomenon of cable, if meet thunderstorm strong wind weather and hail when freezing weather, the conducting wire can effectually be prevented from permeating by the intraformational waterstop of waterproof, avoids causing the unnecessary accident.

The beneficial effects of the utility model reside in that: adopt the waterstop on the novel waterproof layer for also can prevent the rainwater infiltration in rainwater weather, adopt novel heat insulating ring, make aerial [ insulated ] cable difficult be shone ageing, adopt the interior enhancement core that bears of novel conductor wire, make the cable can not take place the phenomenon of splitting, avoid causing the accident.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is the utility model relates to an insulating aerial [ insulated ] cable's of high strength structural schematic.

Fig. 2 is the utility model discloses the insulating aerial [ insulated ] cable's of high strength structural schematic.

Fig. 3 is the utility model discloses insulating aerial [ insulated ] cable's of high strength sectional structure schematic diagram.

Fig. 4 is a schematic view of the internal structure of the conductive cable of the present invention.

Fig. 5 is an enlarged schematic structural diagram of the electric wire of the present invention.

In the figure: insulating layer 1, cable 2, waterproof layer a, waterstop a1, insulating ring a2, insulating cover a3, protective layer a4, conducting wire b, filling layer b1, conductor b2, rubber tube b3, bearing reinforcing core b4, cable core b 5.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the following description is combined with the detailed description and the accompanying drawings to further explain the preferred embodiments of the present invention.

Examples

Referring to fig. 1 to 5, the present invention provides a high strength insulated overhead cable, which includes an insulating layer 1 and a cable 2, wherein the insulating layer 1 is disposed around the cable 2, a waterproof layer a is disposed inside the insulating layer 1, the waterproof layer a is provided with a water stop a1, a heat insulation ring a2, an insulating sleeve a3 and a protective layer a4, the water stop a1 is mounted on the waterproof layer a, the heat insulation ring a2 is wound around the waterproof layer a, the insulating sleeve a3 is mounted outside the heat insulation ring a2 and the waterproof layer a in a matching manner, the protective layer a4 is embedded inside the waterproof layer a, the cable 2 is embedded inside the insulating layer 1, the cable 2 includes a conductive wire b, the conductive wire b is provided with a filling layer b1, a conductor b2, a rubber cylinder b3, a bearing reinforcing core b4 and a cable core b5, the filling layer b1 is disposed in a gap inside the conductive wire b, the conductor b2 is connected to the conductive wire b through a gap, the rubber tube b3 is embedded in the outer surface of the conductor b2, the bearing reinforcing core b4 is connected in the conductor b2 by welding, the cable core b5 is installed inside the bearing reinforcing core b4 by matching, the interval between each water stop a1 is equal, the heat insulation ring a2 is tightly attached to the outer side of the water stop a, the protective layer a4 is connected to the outer surface of the cable 2 by a gap, the two ends of the bearing reinforcing core b4 and the two ends of the cable core b5 are connected to the inner side of the conductor b2 by welding, the water stop a1 and the rubber tube b3 are both cylindrical, the height of the rubber tube b3 is equal to the thickness of the conducting wire b, and the insulating sleeve a3 is made of rubber.

The principle of the utility model is as follows: bear and strengthen core b4 and install inside cable 2, make the cable reinforcement more stable and can not the phenomenon of splitting, insulating layer 1 temperature rise of cable 2 under the insolation of sun, thermal-insulated ring a2 wherein plays the effect of protection cable 2, make cable 2 difficult emergence ageing phenomenon, if when meetting thunderstorm strong wind weather and hail freezing weather, waterstop a1 in the waterproof layer a can effectually prevent that water from oozing into conductor wire b, avoid causing unnecessary accident.

The utility model provides a problem be: the utility model provides an existing insulating aerial [ insulated ] cable of high strength, built on stilts span receives the restriction, and built on stilts yardstick is big, not only causes the cost to rise, and the ability of resisting outside wind-force and rainy day is relatively poor, and easy water infiltration takes place electric leakage phenomenon, exposes in external cable for a long time and takes place ageing damage easily, if meet thunderstorm strong wind weather, and the hail freezes, breaks easily and arouses the accident, the utility model discloses an above-mentioned parts make up each other, adopt the waterstop on the novel waterproof layer for also can prevent rainwater infiltration in rainwater weather, adopt novel heat insulating ring, make aerial [ insulated ] cable difficult by ageing, adopt the interior enhancement core that bears of novel conductor wire, make the cable can not take place rupture phenomenon, avoid causing the accident.

The foregoing shows and describes the general principles of the present invention, its essential features and advantages, and it will be understood by those skilled in the art that it is not limited by the details of the foregoing embodiments, which description includes illustrations of the principles of the invention, but rather is embodied in other specific forms without departing from the spirit or essential characteristics of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an insulating aerial [ insulated ] cable of high strength, its structure includes insulating layer (1), cable (2), its characterized in that:

cable (2) are located all around insulating layer (1), insulating layer (1) inside is equipped with waterproof layer (a), waterproof layer (a) is equipped with waterstop (a1), thermal-insulated ring (a2), insulating cover (a3), protective layer (a4), waterstop (a1) are installed on waterproof layer (a), thermal-insulated ring (a2) winding is around waterproof layer (a), the cooperation of insulating cover (a3) is installed in thermal-insulated ring (a2) and waterproof layer (a) outside, protective layer (a4) is inlayed and is fixed inside waterproof layer (a).

2. A high strength insulated overhead cable according to claim 1, wherein: cable (2) inlay and locate inside insulating layer (1), cable (2) include conducting wire (b), conducting wire (b) are equipped with filling layer (b1), conductor (b2), rubber tube (b3), bear and strengthen core (b4), cable core (b5), on the inside clearance of conducting wire (b) is located in filling layer (b1), conductor (b2) pass through the gap connection inside conducting wire (b), rubber tube (b3) are inlayed and are fixed in conductor (b2) surface, bear and strengthen in core (b4) through welded connection in conductor (b2), cable core (b5) are installed inside bearing and strengthening core (b4) through the cooperation.

3. A high strength insulated overhead cable according to claim 1, wherein: the heat insulation ring (a2) is tightly attached to the outer side of the waterproof layer (a), and the protective layer (a4) is connected to the outer surface of the cable (2) through a gap.

4. A high strength insulated overhead cable according to claim 2, wherein: the load-bearing reinforced core (b4) and the two ends of the cable core (b5) are connected to the inner side of the conductor (b2) through welding.

5. A high strength insulated overhead cable according to claim 1, wherein: the water stop (a1) and the rubber tube (b3) are both cylindrical.