CN210403329U

CN210403329U - Novel power cable

Info

Publication number: CN210403329U
Application number: CN201921575114.3U
Authority: CN
Inventors: 陈柳卉
Original assignee: Fujian Henghui Cable Co Ltd
Current assignee: Fujian Henghui Cable Co Ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-04-24
Anticipated expiration: 2029-09-21

Abstract

The utility model discloses a novel power cable, including the insulating boot, four many aluminium cores have all been inserted in the inside of insulating boot, the fixed copper sheathing that has cup jointed of outer wall of aluminium core, the copper sheathing offsets tightly, four with the inside of insulating boot be equipped with the enhancement core between the inboard of insulating boot, four the inner sheath has been cup jointed in the outside of insulating boot, the outer wall of inner sheath has cup jointed the oversheath. This novel power cable, through insulating cover, the cooperation between aluminium core and the copper sheathing, through the cable conductor that aluminium core and copper sheathing constitute, compare for full copper conductor for the cost of cable reduces to some extent, through the cooperation between first rubber sleeve and the recess, when the separated time operation to power cable port department, cuts the second rubber sleeve as the reference through the recess, can effectually reduce the probability that cuts off insulating cover inner conductor in the cutting process, and practicality has obtained the enhancement.

Description

Novel power cable

Technical Field

The utility model relates to a belong to power cable technical field, specifically be a novel power cable.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and transmission lines under river-crossing seawater, is gradually increased in proportion in the power line, is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and comprises various insulated power cables with voltage grades of 1-500KV and above.

The conductor that uses inside the existing power cable is generally made for full copper core for power cable's cost is higher, and power cable's functionality is comparatively single, when still carrying out the separated time operation in power cable's port department, still can appear cutting the condition that the in-process leads to cutting power cable inner conductor sometimes and appear, and practicality remains to be strengthened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel power cable to it generally makes for full copper core to propose the inside conductor that uses of current power cable in the above-mentioned background art to solve, makes power cable's cost higher, and power cable's functionality is comparatively single, when carrying out the separated time operation in power cable's port department in addition, can also appear sometimes that the cutting in-process leads to cutting the condition of power cable inner conductor to appear, and practicality remains the problem of strengthening.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel power cable, includes the insulating boot, four many aluminium cores have all been inserted in the inside of insulating boot, the fixed copper sheathing that has cup jointed of outer wall of aluminium core, the copper sheathing offsets tightly, four with the inside of insulating boot be equipped with the enhancement core between the inboard of insulating boot, four the inner sheath has been cup jointed in the outside of insulating boot, the outer wall of inner sheath has cup jointed the oversheath, four all be equipped with the arc strip between the insulating boot outside.

Preferably, the enhancement core includes steel core, a rubber section of thick bamboo, through-hole, first rubber sleeve, arc wall and semicircle ball, the fixed cover of outer wall of steel core has connect a rubber section of thick bamboo, open the front surface of a rubber section of thick bamboo has a plurality of through-holes, the fixed cover of outer wall of a rubber section of thick bamboo has connected first rubber sleeve, four the inboard surface at insulating cover is seted up respectively to the arc wall, the inside of arc wall is equipped with the semicircle ball, semicircle ball and arc wall clearance fit, the semicircle ball links to each other with first rubber sleeve is fixed.

Preferably, the inner diameter of the arc-shaped groove is 0.1-0.5mm longer than the outer diameter of the semi-sphere.

Preferably, the inner sheath includes second rubber sleeve, recess, composite steel band, fibre cover and third rubber sleeve, the inner wall of second rubber sleeve links to each other with the outer wall of insulating cover is fixed, the recess has all been opened in the inner wall quartering department of second rubber sleeve, the fixed composite steel band that has cup jointed of outer wall of second rubber sleeve, the fixed fibre cover that has cup jointed of outer wall of composite steel band, the fixed third rubber sleeve that has cup jointed of outer wall of fibre cover.

Preferably, the central points of the groove and the arc-shaped strip are located on the same straight line.

Preferably, the outer sheath comprises a shielding sleeve and a fourth rubber sleeve, the inner wall of the shielding sleeve is fixedly connected with the outer wall of the third rubber sleeve, and the fourth rubber sleeve is fixedly sleeved on the outer wall of the shielding sleeve.

Compared with the prior art, the beneficial effects of the utility model are that: this novel power cable, in carrying out the use, through the insulating cover, cooperation between aluminium core and the copper sheathing, through the cable conductor that aluminium core and copper sheathing constitute, compare for full copper conductor, make the cost of cable reduce to some extent, through compound steel band, cooperation between fibre cover and the shield cover, can make power cable's functionality obtain increasing, through the cooperation between first rubber sleeve and the recess, when the separated time operation of power cable port department, cut the second rubber sleeve as the reference through the recess, can effectually reduce the probability that cuts off insulating cover inner conductor in the cutting process, practicality has obtained the enhancement.

Drawings

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

FIG. 2 is a schematic view of a connection structure of the insulating sleeve, the arc-shaped strip and the second rubber sleeve of FIG. 1;

FIG. 3 is a schematic view of a connection structure of the arc-shaped groove, the semi-spherical ball and the first rubber sleeve in FIG. 1;

fig. 4 is a schematic view of a connection structure of the arc-shaped strip, the groove and the second rubber sleeve in fig. 1.

In the figure: 1. an insulating sleeve; 2. an aluminum core; 3. a copper sleeve; 4. a reinforcing core; 401. a steel core; 402. a rubber cylinder; 403. a through hole; 404. a first rubber sleeve; 405. an arc-shaped slot; 406. a semi-sphere; 5. an inner sheath; 501. a second rubber sleeve; 502. a groove; 503. compounding steel belts; 504. fiber sheathing; 505. a third rubber sleeve; 6. an outer sheath; 601. a shielding sleeve; 602. a fourth rubber sleeve; 7. an arc-shaped strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a novel power cable comprises insulating sleeves 1, wherein the insulating sleeves 1 are made of high-density polyethylene materials, a plurality of aluminum cores 2 are inserted into the four insulating sleeves 1, copper sleeves 3 are fixedly sleeved on the outer walls of the aluminum cores 2, the copper sleeves 3 are tightly abutted against the inner portions of the insulating sleeves 1, reinforcing cores 4 are arranged between the inner sides of the four insulating sleeves 1, inner sheaths 5 are sleeved on the outer sides of the four insulating sleeves 1, outer sheaths 6 are sleeved on the outer walls of the inner sheaths 5, arc-shaped strips 7 are arranged between the outer sides of the four insulating sleeves 1, each reinforcing core 4 comprises a steel core 401, a rubber cylinder 402, through holes 403, a first rubber sleeve 404, an arc-shaped groove 405 and a semi-spherical ball 406, the rubber cylinder 402 is fixedly sleeved on the outer wall of the steel core 401, a plurality of through holes 403 are formed in the front surface of the rubber cylinder 402, the rubber cylinder 402 is made of rubber materials, certain toughness is achieved at normal temperature, the first rubber sleeve 404 is fixedly sleeved on the outer, the four arc-shaped grooves 405 are respectively arranged on the inner side surface of the insulating sleeve 1, the semi-sphere 406 is arranged inside the arc-shaped groove 405, the semi-sphere 406 is in clearance fit with the arc-shaped groove 405, the semi-sphere 406 is fixedly connected with the first rubber sleeve 404, the inner diameter of the arc-shaped groove 405 is 0.1-0.5mm longer than the outer diameter of the semi-sphere 406, the semi-sphere 406 can be ensured to be inserted into the arc-shaped groove 405, the inner sheath 5 comprises a second rubber sleeve 501, a groove 502, a composite steel belt 503, a fiber sleeve 504 and a third rubber sleeve 505, the inner wall of the second rubber sleeve 501 is fixedly connected with the outer wall of the insulating sleeve 1, the grooves 502 are respectively arranged at the four equal parts of the inner wall of the second rubber sleeve 501, the composite steel belt 503 is fixedly sleeved on the outer wall of the second rubber sleeve 501, the fiber sleeve 504 is fixedly sleeved with the fiber sleeve 505, the fiber sleeve 504 is made of carbon fiber and has certain flame retardancy, the, the central point of recess 502 and arc 7 is located same straight line, recess 502 is convenient for separate four insulating cover 1, oversheath 6 includes shield cover 601, fourth rubber sleeve 602, the inner wall of shield cover 601 links to each other with the outer wall of third rubber sleeve 505 is fixed, shield cover 601 is woven for the copper wire and is made, can prevent to disturb other control cable transmission signal, the outer wall of shield cover 601 is fixed to be cup jointed fourth rubber sleeve 602, fourth rubber sleeve 602 is made for the high density polyethylene material.

When the novel power cable is used, firstly, four insulating sleeves 1 with a plurality of aluminum cores 2 inserted inside are all attached to the outer wall of a first rubber sleeve 404, wherein the outer wall of the aluminum core 2 is fixedly sleeved with a copper sleeve 3, the inner part of an arc-shaped groove 405 formed in the inner side surface of the rubber sleeve 1 is attached to a semi-sphere 406 fixedly connected to the outer wall of the first rubber sleeve 404, four insulating sleeves 1 can be equally divided into four parts relative to the central point of the first rubber sleeve 404, then arc-shaped strips 7 are respectively placed between the top ends of fourth insulating sleeves 1, the radian of the outer walls of the arc-shaped strips 7 is identical to that of the outer walls of the insulating sleeves 1, then, second rubber sleeves 501 are fixedly sleeved on the outer walls of the four insulating sleeves 1, a composite steel belt 503, a fiber sleeve 504, a third rubber sleeve 505, a shielding sleeve 601 and a fourth rubber sleeve 602 are fixedly sleeved on the second rubber sleeve 501 in sequence, in the using process of the novel power cable, the shielding cover 601 can prevent that novel power cable from disturbing other control cable transmission signals, the intensity of increase cable that compound steel band 503 can be great, the in-process fibre cover 504 that uses can make the cable have certain fire resistance, when carrying out the separated time operation to novel power cable's end department, can cut second rubber sleeve 501 as the reference through recess 502, can effectually prevent to cut off the condition appearance of 1 inner conductor of insulating cover in the cutting process.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. A novel power cable comprises an insulating sleeve (1), and is characterized in that: four many aluminium cores (2) have all been inserted to the inside of insulating boot (1), copper sheathing (3) have been cup jointed to the outer wall of aluminium core (2) is fixed, the inside counterbalance of copper sheathing (3) and insulating boot (1) is tight, four be equipped with between the inboard of insulating boot (1) and strengthen core (4), four inner sheath (5) have been cup jointed in the outside of insulating boot (1), oversheath (6), four have been cup jointed to the outer wall of inner sheath (5) all be equipped with arc strip (7) between the insulating boot (1) outside.

2. The novel power cable of claim 1, wherein: strengthen core (4) and include steel core (401), rubber sleeve (402), through-hole (403), first rubber sleeve (404), arc wall (405) and semicircle ball (406), the outer wall of steel core (401) is fixed to be cup jointed rubber sleeve (402), the front surface of rubber sleeve (402) is opened has a plurality of through-holes (403), the outer wall of rubber sleeve (402) is fixed to be cup jointed first rubber sleeve (404), four arc wall (405) are seted up respectively at the inboard surface of insulating cover (1), the inside of arc wall (405) is equipped with semicircle ball (406), semicircle ball (406) and arc wall (405) clearance fit, semicircle ball (406) and first rubber sleeve (404) are fixed continuous.

3. The novel power cable of claim 2, wherein: the inner diameter of the arc-shaped groove (405) is 0.1-0.5mm longer than the outer diameter of the semi-sphere (406).

4. The novel power cable of claim 1, wherein: inner sheath (5) include second rubber sleeve (501), recess (502), composite steel band (503), fibre cover (504) and third rubber sleeve (505), the inner wall of second rubber sleeve (501) links to each other with the outer wall of insulating boot (1) is fixed, recess (502) have all been opened to the inner wall quartering department of second rubber sleeve (501), composite steel band (503) have been cup jointed to the outer wall of second rubber sleeve (501) is fixed, fiber cover (504) have been cup jointed to the outer wall of composite steel band (503), third rubber sleeve (505) have been cup jointed to the outer wall of fiber cover (504) is fixed.

5. The novel power cable of claim 4, wherein: the central points of the groove (502) and the arc-shaped strip (7) are positioned on the same straight line.

6. The novel power cable of claim 1, wherein: the outer sheath (6) comprises a shielding sleeve (601) and a fourth rubber sleeve (602), the inner wall of the shielding sleeve (601) is fixedly connected with the outer wall of the third rubber sleeve (505), and the fourth rubber sleeve (602) is fixedly sleeved on the outer wall of the shielding sleeve (601).