CN217640768U

CN217640768U - Capacity-increasable overhead insulated cable

Info

Publication number: CN217640768U
Application number: CN202221292694.7U
Authority: CN
Inventors: 不公告发明人
Original assignee: BEIJING HEAVY CABLE WORKS
Current assignee: BEIJING HEAVY CABLE WORKS
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-10-21
Anticipated expiration: 2032-05-27

Abstract

The utility model discloses a built on stilts insulated cable that can increase capacity, including insulating cover, still include built on stilts mechanism and cable main part, the inside wall of insulating cover is equipped with built on stilts mechanism, built on stilts mechanism comprises sleeve pipe, arc board A and the combination of arc board B, the sheathed tube inside wall is stained with the arc board A of a set of symmetry through the viscose, the sheathed tube inside wall is stained with the arc board B of a set of symmetry through the viscose. The cable main body can be isolated and overhead through the overhead mechanism, so that the gap between the cable main bodies is increased, and heat dissipation is increased.

Description

Capacity-increasable overhead insulated cable

Technical Field

The utility model relates to an overhead insulated cable technical field, in particular to overhead insulated cable that can increase-volume.

Background

With the rapid development of national economy, the electric power demand of China is in a continuous increasing trend, particularly, the electric power load in the eastern region is continuously increased, so that the receiving end of a city power distribution network bears larger load, because of the increasing tension of line corridor resources, in order to solve the contradiction between the increasing electric load and the difficulty in cable line construction, the research direction can only be transferred from the expansion of the power grid to the potential of excavating the existing network and improve the transmission capacity of the existing power transmission network, but the support of the existing overhead insulated cable cannot be effectively limited by matching with the filler, so that the filler is volatilized to remove the effect of stable filling, the situation that the conductive wire core is easy to move and damage is caused, and the use safety of the overhead insulated cable is reduced.

Patent No. 202123311684.1 discloses an aerial insulated cable that can increase-volume, including conductive core, spacing axle, support and insulating layer, the outside of spacing axle and the inboard fixed connection of support, the outside of support and the inboard fixed connection of insulating layer, conductive core is located the surface of spacing axle, the outside fixedly connected with fixture block of support, conductive core is located the inboard of fixture block. The utility model discloses a it is spacing to set up the fixture block and can carry out the joint to conductive core, the rethread filler is filled in to the insulating layer, can carry out spacing fixed to the filler of carrying out the packing through filling spacing subassembly simultaneously, the support of having solved current aerial insulated cable can't effectively spacing to its conductive core with the filler cooperation, lead to the filler volatility to remove its effect of filling firm, lead to conductive core easily to appear the condition that the activity damaged, thereby the problem of aerial insulated cable safety in utilization has been reduced, spacing fixed effect has been reached.

The capacity-expandable overhead insulated cable has the following defects: the cable main part in the current aerial [ insulated ] cable is mostly the extrusion state each other and produces the heat between the cable main part when leading to carrying high-tension electricity higher. To this end, we propose a compatibilizable overhead insulated cable.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a built on stilts insulated cable that can increase capacity can completely cut off the cable main part through built on stilts mechanism and make somebody a mere figurehead, increases the clearance between the cable main part, increases the heat dissipation, can effectively solve the problem in the background art.

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

the utility model provides a but built on stilts insulated cable of increase-volume, includes insulating cover, still includes built on stilts mechanism and cable main part, the inside wall of insulating cover is equipped with built on stilts mechanism, built on stilts mechanism comprises sleeve pipe, circular arc board A and circular arc board B combination, sheathed tube inside wall has the circular arc board A of a set of symmetry through the viscose adhesion, sheathed tube inside wall has the circular arc board B of a set of symmetry through the viscose adhesion.

Further, still include shield structure, the inside wall of insulating cover is equipped with shield structure, and shield structure can shield the cable main part.

Further, shielding mechanism comprises PVC insulating layer A, metallic shield net, metallic shield membrane and the combination of PVC insulating layer B, PVC insulating layer A's inside wall is equipped with the metallic shield net, the inside wall of metallic shield net is equipped with the metallic shield membrane, the inside wall of metallic shield membrane is equipped with PVC insulating layer B, and the metallic shield net has good shielding nature with the metallic shield membrane.

Further, cable main part has two sets of clearances that run through respectively between sleeve pipe and circular arc board A and the clearance department between sleeve pipe and circular arc board B, can completely cut off cable main part.

Furthermore, the clearance department between circular arc board A and circular arc board B is equipped with the reinforcement core, can increase the intensity of cable.

Compared with the prior art, the utility model discloses following beneficial effect has: the inside wall of insulating cover is equipped with built on stilts mechanism, built on stilts mechanism is by the sleeve pipe, arc board A and arc board B combination constitute, sheathed tube inside wall has the arc board A of a set of symmetry through the viscose adhesion, arc board A forms the clearance with the cover intervehicular, insert the cable main part arc board A and the intervehicular clearance department, can fix the cable main part, sheathed tube inside wall has the arc board B of a set of symmetry through the viscose adhesion, arc board B and the intervehicular clearance, insert the cable main part arc board B and the intervehicular clearance department of sleeve pipe, can fix the cable main part, thereby can separate the cable main part, increase the thermal diffusivity between the cable main part, the inside wall of insulating cover is equipped with shielding mechanism, shielding mechanism is by PVC insulating layer A, the metallic screen, metallic screen and PVC insulating layer B combination constitute, PVC insulating layer B is located the sheathed tube lateral wall, can increase sheathed tube insulating nature, because the metallic screen is located PVC insulating layer B's lateral wall, the metallic screen is located the lateral wall of metallic screen, thereby can shield the cable main part.

Drawings

Fig. 1 is the utility model relates to an overall structure schematic diagram of aerial insulated cable of increase-volume.

Fig. 2 is the utility model discloses an overhead mechanism structure sketch map of aerial insulated cable of increase-volume.

Fig. 3 is the utility model discloses a but shielding mechanism structure sketch map of overhead insulated cable of increase-volume.

In the figure: 1. an insulating sleeve; 2. a cable body; 3. a reinforcing core; 4. an overhead mechanism; 401. a sleeve; 402. an arc plate A; 403. an arc plate B; 5. a shielding mechanism; 501. a PVC insulating layer A; 502. a metal shielding mesh; 503. a metal shielding film; 504. and a PVC insulating layer B.

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 to 3, the capacity-increased overhead insulated cable comprises an insulating sleeve 1, an overhead mechanism 4 and a cable main body 2, wherein the overhead mechanism 4 is arranged on the inner side wall of the insulating sleeve 1, the overhead mechanism 4 is formed by combining a sleeve 401, an arc plate a402 and an arc plate B403, a set of symmetrical arc plates a402 is adhered to the inner side wall of the sleeve 401 through adhesive, and a set of symmetrical arc plates B403 is adhered to the inner side wall of the sleeve 401 through adhesive.

Wherein, still include shield structure 5, the inside wall of insulating cover 1 is equipped with shield structure 5, and shield structure 5 can shield cable body 2, shield structure 5 comprises PVC insulating layer A501, metallic shield net 502, metallic shield membrane 503 and PVC insulating layer B504 combination, PVC insulating layer A501's inside wall is equipped with metallic shield net 502, metallic shield net 502's inside wall is equipped with metallic shield membrane 503, metallic shield membrane 503's inside wall is equipped with PVC insulating layer B504, and metallic shield net 502 and metallic shield membrane 503 have good shielding nature.

Wherein, cable body 2 has two sets of clearance and the clearance department between sleeve pipe 401 and circular arc board A402 and sleeve pipe 401 and circular arc board B403 of running through respectively, can completely cut off cable body 2, the clearance department between circular arc board A402 and circular arc board B403 is equipped with enhancement core 3, can increase the intensity of cable.

It should be noted that, the utility model relates to an aerial insulated cable of increase-volume, in operation, the inside wall of insulating cover 1 is equipped with aerial mechanism 4, aerial mechanism 4 is by sleeve pipe 401, arc board A402 and arc board B403 make up and constitute, sleeve pipe 401's inside wall is adhered with a set of symmetrical arc board A402 through the viscose, form the clearance between arc board A402 and sleeve pipe 401, insert cable body 2 to the clearance department between arc board A402 and sleeve pipe 401, can fix cable body 2, sleeve pipe 401's inside wall is adhered with a set of symmetrical arc board B403 through the viscose, form the clearance between arc board B403 and sleeve pipe 401, insert cable body 2 to the clearance department between arc board B403 and sleeve pipe 401, can be fixed cable body 2, thereby can separate cable body 2, increase cable body 2's thermal diffusivity, insulating property between 2, insulating cover 1's inside wall is equipped with shielding mechanism 5, shielding mechanism 5 is by PVC insulating layer A501, metal shielding net 502, metal shielding film 503 and metal shielding film B504 make up and constitute, PVC insulating layer B504 is located the insulating property of sleeve pipe, can increase the insulating property of insulating layer 401, can increase PVC insulating layer 503, metal shielding net 503, thereby metal shielding film 503 is located the lateral wall of sleeve pipe 401, thereby metal shielding mechanism 502 is located the metal shielding net 503, metal shielding layer lateral wall of metal shielding layer can carry out to metal shielding net 2 of metal shielding net 503, thereby metal shielding net 502, thereby metal shielding layer can carry out the lateral wall of PVC insulating layer 503, thereby metal shielding net 502.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a but built on stilts insulated cable of increase-volume, includes insulating cover (1), its characterized in that still includes built on stilts mechanism (4) and cable main part (2), the inside wall of insulating cover (1) is equipped with built on stilts mechanism (4), built on stilts mechanism (4) comprises sleeve pipe (401), arc board A (402) and arc board B (403) combination, the inside wall of sleeve pipe (401) is adhered with a set of symmetrical arc board A (402) through the viscose, the inside wall of sleeve pipe (401) is adhered with a set of symmetrical arc board B (403) through the viscose.

2. A compatibilizable overhead insulated cable according to claim 1, wherein: the insulation sleeve is characterized by further comprising a shielding mechanism (5), wherein the shielding mechanism (5) is arranged on the inner side wall of the insulation sleeve (1).

3. A compatibilized overhead insulated electrical cable according to claim 2, wherein: shielding mechanism (5) comprise PVC insulating layer A (501), metallic shield net (502), metallic shield membrane (503) and PVC insulating layer B (504) combination, the inside wall of PVC insulating layer A (501) is equipped with metallic shield net (502), the inside wall of metallic shield net (502) is equipped with metallic shield membrane (503), the inside wall of metallic shield membrane (503) is equipped with PVC insulating layer B (504).

4. A compatibilizable overhead insulated cable according to claim 1, wherein: the cable main body (2) is provided with two groups of gaps which respectively penetrate through the sleeve (401) and the circular arc plate A (402) and the gap between the sleeve (401) and the circular arc plate B (403).

5. A compatibilizable overhead insulated cable according to claim 1, wherein: and a reinforcing core (3) is arranged at a gap between the circular arc plate A (402) and the circular arc plate B (403).