CN218159663U

CN218159663U - Capacity-increasable overhead insulated cable

Info

Publication number: CN218159663U
Application number: CN202222121615.2U
Authority: CN
Inventors: 张华�; 谭震; 张思斌
Original assignee: JIANGSU HEYANG CABLE CO Ltd
Current assignee: JIANGSU HEYANG CABLE CO Ltd
Priority date: 2022-08-12
Filing date: 2022-08-12
Publication date: 2022-12-27
Anticipated expiration: 2032-08-12

Abstract

The utility model discloses a built on stilts insulated cable that can increase capacity, the cable comprises a cable body, the cable body comprises electricity core, heat-conducting layer, conducting strip, insulating layer, water blocking layer and wearing layer, electricity core outside fixedly connected with insulating layer, be equipped with the heat-conducting layer between insulating layer and the electricity core, insulating layer outside fixedly connected with water blocking layer, water blocking layer outside fixedly connected with wearing layer, be equipped with the conducting strip between wearing layer and the heat-conducting layer, cable body one end is equipped with the buckle subassembly. The utility model discloses a set up fixture block subassembly and buckle subassembly and can directly be in the same place two cable junction, convenient operation need not change old cable again and can increase the appearance, set up button cooperation fixture block subassembly and buckle subassembly and use can easy to assemble and dismantle the cable, carry out reasonable installation as required, electric core quantity sets up to three, can reduce the skin effect of cable conductor, and then reduces the route consume.

Description

Capacity-increasable overhead insulated cable

Technical Field

The utility model relates to an insulated cable technical field, concretely relates to overhead insulated cable of volume-increasing.

Background

The overhead cable is an overhead conductor provided with an insulating layer and a protective sheath, is a special cable manufactured by adopting a production process similar to a crosslinked cable, is a new power transmission mode between the overhead conductor and an underground cable, and has a continuously increasing trend of the electric power demand in China along with the rapid development of national economy, particularly the electric power load in the eastern area is continuously increased, so that the receiving end of an urban power distribution network bears larger load. In order to solve the contradiction between the increasing electric load and the difficulty in cable line construction, the research direction can only be shifted from the expansion of the power grid to the potential excavation of the existing network and the improvement of the transmission capacity of the existing power transmission network.

The existing overhead cable is basically not provided with a capacity increasing part, so that the capacity increasing of the original line is inconvenient, and after the electric capacity increasing, the potential safety hazard is easily caused along with the generation of more heat of the cable.

Therefore, there is a need for a scalable overhead insulated cable that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can increase aerial insulated cable of holding can be directly in the same place two cable junction through setting up fixture block subassembly and buckle subassembly, convenient operation, the old cable that need not change again can increase the holding, it can easy to assemble and dismantle the cable to set up button cooperation fixture block subassembly and buckle subassembly use, rationally install as required, electric core quantity sets up to three, can reduce the skin effect of cable conductor, and then reduce the route consume to solve the above-mentioned weak point in the technique.

In order to achieve the above object, the present invention provides the following technical solutions: an aerial insulated cable capable of increasing capacity comprises a cable body, wherein the cable body consists of an electric core, a heat conduction layer, a heat conduction sheet, an insulating layer, a water-blocking layer and a wear-resistant layer;

the fixture block assembly comprises a first fixed block, a connecting block is fixedly connected to the top of the first fixed block, movable grooves are formed in two sides of the connecting block, movable blocks are arranged in the two movable grooves, the movable blocks are connected with the connecting block in a sliding mode, a first spring is arranged between each movable block and each movable groove, and two ends of each first spring are fixedly connected with the movable blocks and the inner wall of each movable groove respectively;

the fixture block assembly comprises a second fixing block, a connecting groove is formed in the bottom of the second fixing block, square grooves are formed in the two sides of the inner wall of the connecting groove and are matched with the movable block, a supporting block is arranged in each square groove and is connected with the second fixing block in a sliding mode, a second spring is arranged between each supporting block and each square groove, the two ends of each second spring are fixedly connected with the corresponding supporting block and the inner wall of each square groove respectively, and the heat conducting fins penetrate through the insulating layer, the water blocking layer and the wear-resistant layer and are fixedly connected with the first fixing block and the second fixing block.

As the utility model discloses an optimal selection scheme, the quantity of fixture block subassembly and buckle subassembly all sets up to four, four fixture block subassembly and buckle subassembly are the annular and distribute, set up fixture block subassembly and buckle subassembly and can directly be in the same place two cable junction, and convenient operation need not change the old cable again and can increase the capacity.

As the utility model discloses an optimal scheme, the outside of first fixed block and second fixed block all is equipped with the rotor plate, be equipped with the rotation piece between rotor plate and first fixed block and the second fixed block, the rotor plate rotates with first fixed block and second fixed block through rotating to be connected, sets up the radiating effect of heat-conducting layer, conducting strip and the multiplicable cable of rotor plate when carrying electric current, avoids electric power increase-volume back heat to increase and causes the potential safety hazard.

As the utility model discloses an optimal scheme, the water blocking layer is made by the polyurethane material, the insulating layer is made by polyethylene insulation material, and protection electric core that water blocking layer and insulating layer can be better prevents that electric core from causing the damage.

As the utility model discloses an optimal scheme, the quantity of electricity core sets up to three, and is three electricity core is the annular and distributes, and electricity core quantity sets up to three, can reduce the skin effect of cable conductor, and then reduces the route consume.

As the utility model discloses an optimal scheme, the spacing groove has been seted up to square groove one side, the spacing inslot is equipped with the button, button and spacing groove sliding connection, the button with support a fixed connection, set up button cooperation fixture block subassembly and buckle subassembly and use can easy to assemble and dismantle the cable, rationally install as required.

In the technical scheme, the utility model provides a technological effect and advantage:

1. the two cables can be directly connected together by arranging the fixture block assembly and the buckle assembly, the operation is convenient, capacity can be increased without replacing the old cable again, the cables can be conveniently installed and disassembled by arranging the buttons to match the fixture block assembly and the buckle assembly, the cables can be reasonably installed according to needs, the number of the electric cores is three, the skin effect of the cables can be reduced, and further the route loss is reduced;

2. through setting up the heat-conducting layer, the radiating effect of conducting strip and rotor plate multiplicable cable when carrying electric current, the heat increase caused the potential safety hazard after avoiding the electric power increase-volume, set up the wearing layer and can play wear-resisting effect, prevent that the skin of cable body from being worn out, avoid the cable can appear wearing and tearing in the use and lead to the unable normal use of cable, take place danger, so the wearing layer has arrived the effect of protection, has increased the life of cable body.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

fig. 2 is a schematic view of a cable body according to the present invention;

FIG. 3 is a perspective view of the fixture block assembly of the present invention;

fig. 4 is a sectional view of the fixture block assembly of the present invention;

FIG. 5 is a perspective view of the buckle assembly of the present invention;

fig. 6 is a cross-sectional view of the buckle assembly of the present invention.

Description of reference numerals:

1. a cable body; 2. an electric core; 3. a heat conductive layer; 4. a heat conductive sheet; 5. an insulating layer; 6. a water resistant layer; 7. a wear layer; 8. a buckle assembly; 9. a fixture block assembly; 10. a first fixed block; 11. connecting blocks; 12. a movable groove; 13. a movable block; 14. a first spring; 15. a second fixed block; 16. connecting grooves; 17. a square groove; 18. a resisting block; 19. a second spring; 20. a rotating sheet; 21. a rotating member; 22. a limiting groove; 23. a button.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.

The utility model provides an aerial insulated cable that can increase capacity as shown in fig. 1-6, including cable body 1, cable body 1 comprises electric core 2, heat-conducting layer 3, conducting strip 4, insulating layer 5, water-blocking layer 6 and wearing layer 7, the outside of electric core 2 is fixedly connected with insulating layer 5, be equipped with heat-conducting layer 3 between insulating layer 5 and electric core 2, the outside of insulating layer 5 is fixedly connected with water-blocking layer 6, the outside of water-blocking layer 6 is fixedly connected with wearing layer 7, be equipped with conducting strip 4 between wearing layer 7 and heat-conducting layer 3, one end of cable body 1 is equipped with buckle subassembly 8, the other end of cable body 1 is equipped with fixture block subassembly 9;

the fixture block assembly 9 comprises a first fixed block 10, the top of the first fixed block 10 is fixedly connected with a connecting block 11, two sides of the connecting block 11 are respectively provided with a movable groove 12, movable blocks 13 are respectively arranged in the two movable grooves 12, the movable blocks 13 are in sliding connection with the connecting block 11, a first spring 14 is arranged between the movable blocks 13 and the movable grooves 12, and two ends of the first spring 14 are respectively and fixedly connected with the inner walls of the movable blocks 13 and the movable grooves 12;

the fixture block assembly 9 comprises a second fixing block 15, a connecting groove 16 is formed in the bottom of the second fixing block 15, square grooves 17 are formed in two sides of the inner wall of the connecting groove 16, the square grooves 17 are matched with the movable block 13, a supporting block 18 is arranged in each square groove 17, the supporting block 18 is slidably connected with the second fixing block 15, a second spring 19 is arranged between the supporting block 18 and each square groove 17, two ends of each second spring 19 are fixedly connected with the supporting block 18 and the inner wall of each square groove 17 respectively, and the heat conducting fins 4 penetrate through the insulating layer 5, the water blocking layer 6 and the wear-resistant layer 7 and are fixedly connected with the first fixing block 10 and the second fixing block 15.

Further, in the above technical solution, the number of the fixture block assemblies 9 and the number of the buckle assemblies 8 are four, and the four fixture block assemblies 9 and the four buckle assemblies 8 are distributed annularly;

specifically, when needs increase-volume to the cable, with buckle subassembly 8 and the butt joint of fixture block subassembly 9, connecting block 11 drives movable block 13 and slides in connecting groove 16, and connecting block 11 slides to square groove 17 position, because the elastic action of first spring 14, connecting block 11 slides in square groove 17, makes things convenient for the cable to increase-volume.

Further, in the above technical solution, the outer sides of the first fixed block 10 and the second fixed block 15 are both provided with a rotating piece 20, a rotating piece 21 is arranged between the rotating piece 20 and the first fixed block 10 and the second fixed block 15, and the rotating piece 20 is rotatably connected with the first fixed block 10 and the second fixed block 15 through the rotating piece 21;

specifically, when the cable used, the heat that electric core 2 produced conducted conducting strip 4 through heat-conducting layer 3, and conducting strip 4 conducts and dispels the heat on first fixed block 10 and the second fixed block 15, and rotor 20 receives the action of gravity to expand, has increased heat radiating area.

Further, in the above technical solution, the water-blocking layer 6 is made of polyurethane material, and the insulating layer 5 is made of polyethylene insulating material;

specifically, the water-resistant layer 6 and the insulating layer 5 can better protect the battery cell 2 and prevent the battery cell 2 from being damaged.

Further, in the above technical solution, the number of the battery cells 2 is three, and the three battery cells 2 are distributed annularly;

specifically, the three battery cells 2 can reduce the skin effect of the cable and reduce the loss of the route.

Further, in the above technical solution, one side of the square groove 17 is provided with a limiting groove 22, a button 23 is arranged in the limiting groove 22, the button 23 is slidably connected with the limiting groove 22, and the button 23 is fixedly connected with the abutting block 18;

specifically, when the cables need to be adjusted, the button 23 can be moved, the pressing block 18 is driven by the button 23 to move towards the movable block 13, the movable block 13 is extruded into the movable groove 12 under the action of the pressing block 18, the connecting block 11 can be drawn out from the connecting groove 16, and the two cables are separated.

The utility model provides a pair of but aerial insulated cable of increase-volume when using, its working process is:

when the cable needs to be increased in volume, the buckle assembly 8 is in butt joint with the fixture block assembly 9, the connecting block 11 drives the movable block 13 to slide in the connecting groove 16, the connecting block 11 slides to the position of the square groove 17, due to the elastic action of the first spring 14, the connecting block 11 slides to the position of the square groove 17, the cable is convenient to increase in volume, when the cable needs to be adjusted, the button 23 can be moved, the supporting block 18 moves towards the movable block 13 under the driving of the button 23, the movable block 13 is extruded into the movable groove 12 under the action of the supporting block 18, the connecting block 11 can be extracted from the connecting groove 16, two cables are separated, when the cable is used, heat generated by the battery core 2 is conducted to the heat conducting sheet 4 through the heat conducting layer 3, the heat conducting sheet 4 conducts heat to the first fixing block 10 and the second fixing block 15 to dissipate heat, and the rotating sheet 20 is unfolded under the action of gravity, so that the heat dissipation area is increased.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive on the scope of the appended claims.

Claims

1. A compatibilizable overhead insulated cable comprising a cable body (1), characterized in that: the cable comprises a cable body (1) and is characterized in that the cable body (1) consists of an electric core (2), a heat conduction layer (3), a heat conduction sheet (4), an insulating layer (5), a water blocking layer (6) and a wear-resistant layer (7), the insulating layer (5) is fixedly connected to the outer side of the electric core (2), the heat conduction layer (3) is arranged between the insulating layer (5) and the electric core (2), the water blocking layer (6) is fixedly connected to the outer side of the insulating layer (5), the wear-resistant layer (7) is fixedly connected to the outer side of the water blocking layer (6), the heat conduction sheet (4) is arranged between the wear-resistant layer (7) and the heat conduction layer (3), a buckle assembly (8) is arranged at one end of the cable body (1), and a clamp block assembly (9) is arranged at the other end of the cable body (1);

the fixture block assembly (9) comprises a first fixing block (10), the top of the first fixing block (10) is fixedly connected with a connecting block (11), two sides of the connecting block (11) are respectively provided with a movable groove (12), movable blocks (13) are respectively arranged in the two movable grooves (12), the movable blocks (13) are slidably connected with the connecting block (11), a first spring (14) is arranged between each movable block (13) and each movable groove (12), and two ends of each first spring (14) are respectively fixedly connected with the inner walls of the corresponding movable block (13) and the corresponding movable groove (12);

the fixture block assembly (9) comprises a second fixing block (15), a connecting groove (16) is formed in the bottom of the second fixing block (15), square grooves (17) are formed in two sides of the inner wall of the connecting groove (16), the square grooves (17) are matched with the movable block (13), a supporting block (18) is arranged in each square groove (17), the supporting block (18) is connected with the second fixing block (15) in a sliding mode, a second spring (19) is arranged between the supporting block (18) and the square grooves (17), two ends of the second spring (19) are fixedly connected with the inner walls of the supporting block (18) and the square grooves (17) respectively, and the heat conducting fins (4) penetrate through the insulating layer (5), the water blocking layer (6) and the wear-resistant layer (7) and are fixedly connected with the first fixing block (10) and the second fixing block (15).

2. A compatibilizable overhead insulated cable according to claim 1, wherein: the number of the fixture block assemblies (9) and the number of the buckle assemblies (8) are four, and the fixture block assemblies (9) and the buckle assemblies (8) are distributed annularly.

3. A compatibilizable overhead insulated cable according to claim 1, wherein: the outside of first fixed block (10) and second fixed block (15) all is equipped with rotor plate (20), be equipped with between rotor plate (20) and first fixed block (10) and second fixed block (15) and rotate piece (21), rotor plate (20) are connected through rotating piece (21) and first fixed block (10) and second fixed block (15) rotation.

4. A compatibilized overhead insulated electrical cable according to claim 1, wherein: the water-resistant layer (6) is made of a polyurethane material, and the insulating layer (5) is made of a polyethylene insulating material.

5. A compatibilizable overhead insulated cable according to claim 1, wherein: the number of the electric cores (2) is three, and the three electric cores (2) are distributed in an annular shape.

6. A compatibilized overhead insulated electrical cable according to claim 1, wherein: a limiting groove (22) is formed in one side of the square groove (17), a button (23) is arranged in the limiting groove (22), the button (23) is connected with the limiting groove (22) in a sliding mode, and the button (23) is fixedly connected with the abutting block (18).