CN208126913U

CN208126913U - A kind of termite-proof, antiultraviolet, waterproof power cable

Info

Publication number: CN208126913U
Application number: CN201721252304.2U
Authority: CN
Inventors: 黄美华; 蒋维兵
Original assignee: Shandong Changrun Cable Co Ltd
Current assignee: Shandong Changrun Cable Co Ltd
Priority date: 2017-09-27
Filing date: 2017-09-27
Publication date: 2018-11-20
Anticipated expiration: 2027-09-27

Abstract

The utility model discloses a kind of termite-proof, antiultraviolet, waterproof power cable, including insulated wire cores, the surface of the insulated wire cores is fixedly connected with the inner wall of semiconductor waterstop, the outer wall of semiconductor waterstop is fixedly connected with the inner wall of shielding copper strips, the outer wall of shielding copper strips is fixedly connected with the inner wall of the first low smoke and low halogen band, the outer wall of first low smoke and low halogen band is fixedly connected with the inner wall of high fire-retardance liner layer, the outer wall of high fire-retardance liner layer is fixedly connected with the inner wall of brass band, the outer wall of brass band is fixedly connected with the inner wall of the second low smoke and low halogen band.The utility model passes through setting semiconductor waterstop, the first low smoke and low halogen band, high fire-retardance liner layer, the second low smoke and low halogen band, oversheath and cavity, it solves current voltage rating 26/35kV copper core power cable with cross-linked polyethylene insulation and does not have waterproof, termite-proof, ultraviolet resistance mostly, the problem of service life is mostly shorter, poor safety performance.

Description

A kind of termite-proof, antiultraviolet, waterproof power cable

Technical field

The utility model relates to power cable technical field, specially a kind of termite-proof, antiultraviolet, anti-hydroelectric power electricity Cable.

Background technique

Cable is usually by several or several groups of conducting wires（Every group at least two）It is twisted, mutually insulated between every group of conducting wire, It is usually twisted into around a center, entire outside is surrounded by the coating of high-insulation, is mounted in underground, the bottom more or is erected at sky In, be used for telecommunication or power Transmission, 1832, tsarist Russia's army officers were permitted woods lattice and telegraphy line are embedded in underground, six conductors it Between each other with being placed in glass tube, here it is an earliest in the world buried cables after rubber-covered.

Current voltage rating 26/35kV copper core power cable with cross-linked polyethylene insulation is well known that with polyethylene to be exhausted Edge, polyvinyl chloride are sheath, do not have waterproof, termite-proof and ultraviolet resistance mostly, the service life is mostly shorter, security performance Difference.

Utility model content

（One）The technical issues of solution

In view of the deficiencies of the prior art, the utility model provides a kind of termite-proof, antiultraviolet, waterproof power cable, It solves current voltage rating 26/35kV copper core power cable with cross-linked polyethylene insulation and does not have waterproof, termite-proof, anti-mostly The problem of imparted energy, the service life is mostly shorter, poor safety performance.

（Two）Technical solution

To achieve the above object, the utility model provides the following technical solutions：A kind of termite-proof, antiultraviolet, anti-water power Power cable, including insulated wire cores, the surface of the insulated wire cores are fixedly connected with the inner wall of semiconductor waterstop, the semiconductive The outer wall of waterstop is fixedly connected with the inner wall of shielding copper strips, the outer wall and the first low smoke and low halogen band of the shielding copper strips Inner wall is fixedly connected, and the outer wall of the first low smoke and low halogen band is fixedly connected with the inner wall of high fire-retardance liner layer, the height The outer wall of fire-retardant liner layer is fixedly connected with the inner wall of brass band, the outer wall of the brass band and the second low smoke and low halogen band Inner wall is fixedly connected, and the surface fixing sleeve of the second low smoke and low halogen band is connected to oversheath, the inside etc. of the oversheath Away from cavity is offered, the surface of the oversheath equidistantly opens up fluted, the inner wall of the groove and the inner wall activity of fixed ring It connects, offers circular hole on the left of the fixed ring, the inner wall of the circular hole is connected with reinforcing rib.

Preferably, the cavity is annular in shape, the center of circle overlapping of the cavity and insulated wire cores.

Preferably, the quantity of the circular hole is four, and four circular holes are in ring by array center of the center of circle of fixed ring Shape array is provided with the left side of fixed ring.

Preferably, the surface fixing sleeve of the reinforcing rib is connected to fixed ball, and the fixed ball is located at two adjacent fixations Between ring.

Preferably, the oversheath is cylindrical.

（Three）Beneficial effect

The utility model provides a kind of termite-proof, antiultraviolet, waterproof power cable, has following beneficial effect：

（1）, the utility model pass through setting semiconductor waterstop, the first low smoke and low halogen band, high fire-retardance liner layer, the Two low smoke and low halogen bands, oversheath and cavity, semiconductor waterstop have waterproof effect, and oversheath is wrapped in power cable Surface has the effect of termite-proof and antiultraviolet, and insecticide is filled in cavity, when the animals such as termite nibble food power cable, Insecticide leakage can prevent power cable from continuing to be destroyed, and achieve the effect that protect insulated wire cores comprehensively, extend cable Service life, the first low smoke and low halogen band, high fire-retardance liner layer and the second low smoke and low halogen band can prevent cable from leaking Electricity causes fire and it is crosslinked polyetylene insulated to solve current voltage rating 26/35kV copper core so that cable use is safer Not the problem of power cable does not have waterproof, termite-proof, ultraviolet resistance mostly, and the service life is mostly shorter, poor safety performance.

（2）, the utility model electric power shared by fixed ring by setting fixed ring, reinforcing rib and fixed ball, reinforcing rib The gravity and pulling force that cable is born, fixed ball prevent reinforcing rib from falling off out of circular hole, reinforcing rib increases for fixing reinforcing rib The structural strength of power cable extends power cable service life.

Detailed description of the invention

Fig. 1 is the utility model overall structure diagram；

Fig. 2 is the utility model sectional side view

Fig. 3 is the utility model top cross-sectional view.

In figure：1 insulated wire cores, 2 semiconductor waterstops, 3 shielding copper strips, 4 first low smoke and low halogen bands, in 5 high fire-retardances Lining, 6 brass bands, 7 second low smoke and low halogen bands, 8 oversheaths, 9 cavitys, 10 grooves, 11 fixed rings, 12 circular holes, 13 are reinforced Muscle, 14 fixed balls.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1-3, the utility model provides a kind of technical solution：A kind of termite-proof, antiultraviolet, anti-hydroelectric power electricity The surface of cable, including insulated wire cores 1, insulated wire cores 1 is fixedly connected with the inner wall of semiconductor waterstop 2, and semiconductor waterstop 2 has Have a water-proof function, the outer wall of semiconductor waterstop 2 is fixedly connected with the inner wall of shielding copper strips 3, shielding copper strips 3 have antistatic and The outer wall of lightning protection effect, shielding copper strips 3 is fixedly connected with the inner wall of the first low smoke and low halogen band 4, the first low smoke and low halogen Outer wall with 4 is fixedly connected with the inner wall of high fire-retardance liner layer 5, the first low smoke and low halogen band 4 and high fire-retardance liner layer 5 by Fire proofing is made, and a possibility that fire occurs is effectively reduced, the inner wall of the outer wall and brass band 6 of high fire-retardance liner layer 5 is fixed Connection, brass band 6 have antistatic and lightning protection effect, and the outer wall of brass band 6 and the inner wall of the second low smoke and low halogen band 7 are fixed Connection, the second low smoke and low halogen band 7 prevent cable from causing fire, the second low smoke and low halogen band 7 by generation electric leakage is destroyed Surface fixing sleeve be connected to oversheath 8, oversheath 8 is cylindrical, oversheath 8 have antiultraviolet and waterproof ability, oversheath 8 Inside equidistantly offer cavity 9, cavity 9 is annular in shape, the overlapping of the centers of circle of cavity 9 and insulated wire cores 1, is filled in cavity 9 Insecticide prevents termite from nibbling food power cable, and the surface of oversheath 8 equidistantly opens up fluted 10, the inner wall of groove 10 and fixation The inner wall of ring 11 is flexibly connected, and groove 10 is used to limit the position of fixed ring 11, prevents fixed ring 11 from sliding along power cable, The left side of fixed ring 11 offers circular hole 12, and the quantity of circular hole 12 is four, and four circular holes 12 are using the center of circle of fixed ring 11 as battle array Column center circular array is provided with the left side of fixed ring 11, and the inner wall of circular hole 12 is connected with reinforcing rib 13, reinforcing rib 13 The structural strength for increasing power cable, extends the service life of power cable, the surface fixing sleeve of reinforcing rib 13 is connected to fixed ball 14, for fixed ball 14 between two adjacent fixed rings 11, several, which fix ball 14, prevents reinforcing rib 13 from taking off out of circular hole 12 It falls.

When in use, reinforcing rib 13 shares the gravity and pulling force that power cable is subject to by fixed ring 11, increases electric power The structural strength of cable, shielding copper strips 3 and brass band 6 in rainy weather has a lightning protection effect, and when dry weather prevents electrostatic Occur, to avoid causing fire, when termite nibbles food antiultraviolet oversheath 8, the insecticide in cavity 9 leaks outside, and prevents termite Continue to nibble food power cable, to protect cable extension service life.

It can to sum up obtain, the utility model passes through in setting semiconductor waterstop 2, the first low smoke and low halogen band 4, high fire-retardance Lining 5, the second low smoke and low halogen band 7, oversheath 8 and cavity 9 solve current voltage rating 26/35kV copper core crosslinking Polyethylene-insulated power cable does not have waterproof, termite-proof, ultraviolet resistance mostly, and the service life is mostly shorter, poor safety performance The problem of.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of termite-proof, antiultraviolet, waterproof power cable, including insulated wire cores（1）, it is characterised in that：The insulated wire Core（1）Surface and semiconductor waterstop（2）Inner wall be fixedly connected, the semiconductor waterstop（2）Outer wall and shielding copper Band（3）Inner wall be fixedly connected, the shielding copper strips（3）Outer wall and the first low smoke and low halogen band（4）Inner wall fixed connect It connects, the first low smoke and low halogen band（4）Outer wall and high fire-retardance liner layer（5）Inner wall be fixedly connected, the high fire-retardance Liner layer（5）Outer wall and brass band（6）Inner wall be fixedly connected, the brass band（6）Outer wall and the second low-smoke low-halogen hinder Fire band（7）Inner wall be fixedly connected, the second low smoke and low halogen band（7）Surface fixing sleeve be connected to oversheath（8）, described Oversheath（8）Inside equidistantly offer cavity（9）, the oversheath（8）Surface equidistantly open up it is fluted（10）, described recessed Slot（10）Inner wall and fixed ring（11）Inner wall be flexibly connected, the fixed ring（11）Left side offer circular hole（12）, institute State circular hole（12）Inner wall be connected with reinforcing rib（13）.

2. one kind according to claim 1 is termite-proof, antiultraviolet, waterproof power cable, it is characterised in that：The cavity （9）It is annular in shape, the cavity（9）And insulated wire cores（1）The center of circle overlapping.

3. one kind according to claim 1 is termite-proof, antiultraviolet, waterproof power cable, it is characterised in that：The circular hole （12）Quantity be four, four circular holes（12）With fixed ring（11）The center of circle be array center's circular array be provided with Fixed ring（11）Left side.

4. one kind according to claim 1 is termite-proof, antiultraviolet, waterproof power cable, it is characterised in that：The reinforcement Muscle（13）Surface fixing sleeve be connected to fixed ball（14）, the fixed ball（14）Positioned at two adjacent fixed rings（11）Between.

5. one kind according to claim 1 is termite-proof, antiultraviolet, waterproof power cable, it is characterised in that：The outer shield Set（8）It is cylindrical.