CN218038617U

CN218038617U - Weather-resistant insulated overhead cable

Info

Publication number: CN218038617U
Application number: CN202221742280.XU
Authority: CN
Inventors: 顾祝军; 周岳; 陈英祥; 雍卫国; 刘飞; 秦林顺
Original assignee: Zhejiang Gengu Cable Co ltd
Current assignee: Zhejiang Gengu Cable Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-12-13
Anticipated expiration: 2032-07-06

Abstract

The utility model discloses a weatherability insulation aerial [ insulated ] cable, including a plurality of conductors, a plurality of the outside cover of conductor is equipped with resistant time polyethylene insulating layer, and the outside cover of resistant time polyethylene insulating layer is equipped with a plurality of protection mechanism, protection mechanism includes protruding type piece, concave type piece, heat conduction insulating layer, heat preservation, insulating layer, ageing resistant layer, wearing layer, reset spring and joint. Belong to the aerial [ insulated ] cable field, the protection mechanism of setting, the person of facilitating the use end to end links to each other and installs this mechanism in the outside of aerial [ insulated ] cable with the mode of joint, and heat conduction insulation layer, heat preservation, insulating layer, ageing-resistant layer and wearing layer in the cooperation under, in aerial [ insulated ] cable's use, can improve aerial [ insulated ] cable's high temperature resistant, cold-resistant, ageing-resistant and wearability, and further the fastness of having strengthened aerial [ insulated ] cable, thereby reach the purpose that improves aerial [ insulated ] cable weatherability and long-term use.

Description

Weather-resistant insulating aerial cable

Technical Field

The utility model relates to an aerial [ insulated ] cable field, in particular to insulating aerial [ insulated ] cable of weatherability.

Background

The overhead cable (called overhead insulated cable) is an overhead conductor with insulating layer and protective sheath, and is a special cable made up by adopting the similar production process of cross-linked cable, and is a new power transmission mode between overhead conductor and underground cable. Because the outside simple parcel of traditional aerial [ insulated ] cable's conductor has the resistant polyethylene insulating layer of one deck to wait, when meeting adverse circumstances such as high temperature and extremely cold in the lead to aerial [ insulated ] cable use, high temperature can make the resistant polyethylene insulating layer of waiting melt and drop, low temperature can make aerial [ insulated ] cable appear splitting even freeze and break, and aerial [ insulated ] cable when using for a long time, can take place ageing under the exposure to the sun rain, make the conductor can expose in the outside of resistant polyethylene insulating layer of waiting, aerial [ insulated ] cable's use has been influenced seriously, and can cause the appearance of potential safety hazard.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a weather-resistant insulated overhead cable, which can effectively solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a weatherability insulation aerial [ insulated ] cable, includes a plurality of conductors, a plurality of the outside cover of conductor is equipped with resistant time polyethylene insulating layer, and the outside cover of resistant time polyethylene insulating layer is equipped with a plurality of protection mechanism, protection mechanism includes convex type piece, concave type piece, heat conduction insulating layer, heat preservation, insulating layer, ageing-resistant layer, wearing layer, reset spring and joint, heat conduction insulating layer fixed connection is between convex type piece and concave type piece, and heat preservation fixed connection is in heat conduction insulating layer's outside, insulating layer fixed connection is in the outside of heat preservation, ageing-resistant layer fixed connection is in the outside of insulating layer, wearing layer fixed connection is in ageing-resistant layer's outside.

Preferably, the two ends of the heat-conducting insulating layer are respectively and fixedly installed on the opposite walls of the convex block and the concave block, the heat-insulating layer is fixedly installed on the outer surface of the heat-conducting insulating layer, the heat-insulating layer is fixedly installed on the outer surface of the heat-insulating layer, the ageing-resistant layer is fixedly installed on the outer surface of the heat-insulating layer, and the wear-resistant layer is fixedly installed on the outer surface of the ageing-resistant layer.

Preferably, the side wall of the convex block and the side wall of the notch of the concave block are respectively provided with a connecting hole.

Preferably, the four sides of the inner wall of the notch of the concave block are respectively provided with a clamping hole.

Preferably, four sides of the outer wall of the convex part of the convex block are respectively provided with a groove, and a baffle ring is fixedly arranged in a notch of the groove.

Preferably, the bottom surface of the groove is fixedly provided with a return spring, the front end of the return spring is fixedly provided with a clamping head, and the clamping head penetrates through the retaining ring and is positioned in the clamping hole.

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

the utility model discloses in, the protection mechanism of setting, the person of facilitating the use links to each other end to end and installs this mechanism in aerial [ insulated ] cable's outside with the mode of joint, and under the use of heat conduction insulation layer, heat preservation, insulating layer, ageing-resistant layer and wearing layer in the cooperation, in aerial [ insulated ] cable's use, can improve aerial [ insulated ] cable's high temperature resistant, cold-resistant, ageing-resistant and wearability, and further strengthen aerial [ insulated ] cable's fastness, thereby reach the purpose that improves aerial [ insulated ] cable weatherability and long-term use.

Drawings

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

fig. 2 is a schematic exploded view of the protection mechanism of the present invention;

FIG. 3 is a schematic sectional and disassembled view of the convex block of the present invention;

fig. 4 is a schematic view of the overall structure of the concave block of the present invention.

In the figure: 1. a conductor; 2. a weather-resistant polyethylene insulating layer; 3. a protection mechanism; 4. a convex block; 5. a concave block; 6. a thermally conductive insulating layer; 7. a heat-insulating layer; 8. a thermal insulation layer; 9. an aging-resistant layer; 10. a wear layer; 11. a groove; 12. a baffle ring; 13. a return spring; 14. a clamping head; 15. connecting holes; 16. and (6) clamping the hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a weather-resistant insulated overhead cable, including a plurality of conductors 1, the outside cover of a plurality of conductors 1 is equipped with weather-resistant polyethylene insulating layer 2, and the outside cover of weather-resistant polyethylene insulating layer 2 is equipped with a plurality of protection mechanism 3, protection mechanism 3 includes convex type piece 4, concave type piece 5, heat conduction insulating layer 6, heat preservation 7, insulating layer 8, ageing-resistant layer 9, wearing layer 10, reset spring 13 and joint 14, heat conduction insulating layer 6 fixed connection is between convex type piece 4 and concave type piece 5, and heat preservation 7 fixed connection is in the outside of heat conduction insulating layer 6, insulating layer 8 fixed connection is in the outside of insulating layer 7, ageing-resistant layer 9 fixed connection is in the outside of insulating layer 8, wearing layer 10 fixed connection is in the outside of ageing-resistant layer 9.

As shown in fig. 2 to 4, in this embodiment, in order to improve the weather resistance of the overhead cable and achieve the purpose of long-term use, two ends of the heat-conducting insulating layer 6 are respectively and fixedly installed on opposite surface walls of the convex block 4 and the concave block 5, the outer surface of the heat-conducting insulating layer 6 is fixedly installed with the insulating layer 7, the outer surface of the insulating layer 7 is fixedly installed with the heat-insulating layer 8, the outer surface of the heat-insulating layer 8 is fixedly installed with the aging-resistant layer 9, the outer surface of the aging-resistant layer 9 is fixedly installed with the wear-resistant layer 10, the side wall of the convex block 4 and the side wall of the notch of the concave block 5 are respectively provided with the connecting hole 15, four sides of the inner wall of the notch of the concave block 5 are respectively provided with the clamping hole 16, four sides of the outer wall of the convex part of the convex block 4 are respectively provided with the groove 11, the notch of the groove 11 is fixedly installed with the retaining ring 12, the groove inner bottom surface of the groove 11 is fixedly installed with the return spring 13, and the front end of the return spring 13 is fixedly installed with the clamping joint 14, and the clamping joint 14 passes through the retaining ring 12 and is located in the clamping hole 16;

the protection mechanism 3 is used together with the overhead cable in the following specific operation: firstly, a plurality of protection mechanisms 3 are connected in a ending way and are installed outside an overhead cable in a clamping way, a weather-resistant polyethylene insulation layer 2 penetrates through connecting holes 15 formed in a convex block 4 and a concave block 5, the convex block 4 on a second protection mechanism 3 is inserted into a notch of the concave block 5 on a first protection mechanism 3, when the operation is executed, a clamping head 14 protruding from four sides of the outer wall of the convex block 4 is extruded by the concave block 5, at the moment, a return spring 13 retracts in a groove 11 formed in the convex block 4 and drives a clamping head 14 at the front end to retract towards the groove 11 through a retaining ring 12 installed in the notch of the groove 11 until the protruding part of the convex block 4 enters the notch of the concave block 5, the clamping head 14 abuts against the inner wall of the notch of the concave block 5, then, the protection mechanisms 3 can be rotated to a certain degree, the clamp joint 14 is not abutted against the inner wall of the notch of the concave block 5 any more, the reset spring 13 performs reset extension operation, the clamp joint 14 is abutted into the clamp hole 16, so that the connection operation between the protection mechanism 3 and the protection mechanism 3 is completed, a plurality of protection mechanisms 3 are arranged outside the overhead cable in the same connection mode through the operation and completely cover the overhead cable, finally, the heat conduction and heat dissipation effect on the overhead cable is realized through the heat conduction insulating layer 6 made of boron nitride heat conduction rubber material, the heat insulation and cold resistance of the overhead cable are improved by matching with the heat insulation layer 7 made of polyurethane heat insulation material, the influence of external high temperature on the overhead cable is prevented through the heat insulation layer 8 made of aerogel felt material, the high temperature resistance of the overhead cable is improved, the weather resistance and aging resistance of the overhead cable can be improved through the aging resistance layer 9 made of ASA material, finally, the wear-resistant layer 10 made of the nylon resin material improves the wear resistance of the aerial cable, so that the high temperature resistance, cold resistance, aging resistance and wear resistance are improved through the protection mechanism 3, the firmness of the aerial cable is enhanced, the aerial cable has high weather resistance, the aerial cable is prevented from being damaged under the influence of external factors after being used for a long time, and the use safety of the aerial cable is further guaranteed.

While the invention has been described in detail with reference to the preferred embodiments thereof, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and it is intended that all matter contained in the above description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

Claims

1. A weather-resistant insulated overhead cable comprising a plurality of conductors (1), characterized in that: a plurality of the outside cover of conductor (1) is equipped with resistant time polyethylene insulating layer (2), and the outside cover of resistant time polyethylene insulating layer (2) is equipped with a plurality of protection machanism (3), protection machanism (3) are including convex type piece (4), concave type piece (5), heat conduction insulating layer (6), heat preservation (7), insulating layer (8), ageing-resistant layer (9), wearing layer (10), reset spring (13) and joint (14), heat conduction insulating layer (6) fixed connection is between convex type piece (4) and concave type piece (5), and heat preservation (7) fixed connection is in the outside of heat conduction insulating layer (6), insulating layer (8) fixed connection is in the outside of heat preservation (7), ageing-resistant layer (9) fixed connection is in the outside of insulating layer (8), wearing layer (10) fixed connection is in the outside of ageing-resistant layer (9).

2. The weatherable insulated overhead cable of claim 1, wherein: the heat-insulating layer is characterized in that two ends of the heat-insulating layer (6) are respectively fixedly mounted on opposite walls of the convex block (4) and the concave block (5), a heat-insulating layer (7) is fixedly mounted on the outer surface of the heat-insulating layer (6), a heat-insulating layer (8) is fixedly mounted on the outer surface of the heat-insulating layer (7), an anti-aging layer (9) is fixedly mounted on the outer surface of the heat-insulating layer (8), and a wear-resistant layer (10) is fixedly mounted on the outer surface of the anti-aging layer (9).

3. The weatherable insulated overhead cable of claim 2, wherein: and the side wall of the convex block (4) and the side wall of the notch of the concave block (5) are respectively provided with a connecting hole (15).

4. The weatherable insulated overhead cable of claim 3, wherein: the four sides of the inner wall of the notch of the concave block (5) are respectively provided with a clamping hole (16).

5. The weatherable insulated overhead cable of claim 4, wherein: grooves (11) are respectively formed in four sides of the outer wall of the protruding portion of the convex block (4), and blocking rings (12) are fixedly installed in notches of the grooves (11).

6. The weatherable insulated overhead cable of claim 5, wherein: the bottom surface fixed mounting has reset spring (13) in the inslot of recess (11), and the front end fixed mounting of reset spring (13) has joint (14), joint (14) pass and keep off ring (12) and are located card hole (16).