CN210805310U - Overhead insulated cable - Google Patents

Abstract

The utility model discloses an overhead insulated cable relates to cable technical field, for solving the relatively poor problem of current cable conductor protective capability. The outside of cable is provided with anticorrosive protection oversheath, the inner wall of anticorrosive protection oversheath is provided with recess and arch respectively, the inside of anticorrosive protection oversheath is provided with the copper sheath, be provided with the hot-melt line between anticorrosive protection oversheath and the copper sheath, the inside of copper sheath is provided with insulating filling layer, the inside of insulating filling layer is provided with the conductor shielding layer, the inside of conductor shielding layer is provided with fan-shaped conductor, the externally mounted of cable has fixed cover, fixed cover comprises set body, connecting block and installation block, the inside of set body is provided with the fixed block, and the fixed block is a plurality of, and the fixed block is the annular distribution, buffer spring is all installed to the one end of fixed block, buffer spring keeps away from the one end of fixed block and is provided with the clamp splice.

Description

Overhead insulated cable

Technical Field

The utility model relates to a cable technical field specifically is an overhead insulated cable.

Background

Overhead insulated cables are generally rope-like cables made by twisting several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation.

However, in the use process of the existing overhead insulated cable, because no protection is arranged between cables, the existing overhead insulated cable is influenced by the changeful external environment, particularly severe weather such as typhoon, the cables are continuously and vertically pulled in the process, the pressure at two ends is increased, meanwhile, the long-time friction between the cables and installation equipment is easy to generate abrasion, and therefore the existing requirements are not met, and the overhead insulated cable is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an overhead insulated cable to solve the relatively poor problem of cable conductor protective capacities who proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an overhead insulated cable comprises a cable, wherein an anti-corrosion protection outer sheath is arranged outside the cable, a groove and a plurality of bulges are respectively arranged on the inner wall of the anti-corrosion protection outer sheath, a copper sheath is arranged inside the anti-corrosion protection outer sheath, a hot fuse is arranged between the anti-corrosion protection outer sheath and the copper sheath, the hot fuse is provided with a plurality of bulges, an insulating filling layer is arranged inside the copper sheath, a conductor shielding layer is arranged inside the insulating filling layer, a fan-shaped conductor is arranged inside the conductor shielding layer, a fixed sleeve is arranged outside the cable, the fixed sleeve is composed of a sleeve body, a connecting block and two mounting blocks, a fixed block is arranged inside the sleeve body, the fixed block is provided with a plurality of blocks which are distributed annularly, and a buffer spring is arranged at one end of the fixed block, and one end of the buffer spring, which is far away from the fixed block, is provided with a clamping block.

Preferably, a buffer cavity is arranged between the cable and the sleeve body, the fixed block is fixedly connected with the sleeve body, and the buffer spring is fixedly connected with the fixed block and the clamping block.

Preferably, the clamping block is provided with a sponge at one end close to the cable, one end of the sponge is pasted with the clamping block and connected, and the other end of the sponge is attached to the cable.

Preferably, the connecting block is arranged between the sleeve bodies, the sleeve bodies and the connecting block are of an integral structure, the mounting blocks are located at the upper and lower ends of the sleeve bodies, and the mounting blocks are fixedly connected with the sleeve bodies.

Preferably, the groove and the protrusion are arranged at intervals, and the hot-melt wire is fixedly connected with the anti-corrosion protection outer sheath and the copper sheath.

Preferably, the insulating filling layer is fixedly connected with the copper sheath and the conductor shielding layer.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install the fixed cover in the outside of cable, the fixed cover comprises two cover bodies and a connecting block major part, the fixed cover can be installed two cables, when the cable is installed in the inside of cover body, through be provided with the buffer spring that the annular distributes in the cover body, the clamp splice of buffer spring inboard is laminated with the cable mutually, make the cable form built on stilts state in inside, paste the sponge in the clamp splice one end near the cable simultaneously, the sponge has soft characteristic, protect the surface of cable in the process of centre gripping, avoid scraping, under bad weather, when the cable takes place acutely to shake, the pressure of cable is transmitted to buffer spring through the clamp splice, buffer spring pressurized takes place elastic deformation, thereby produce the compression, in the process of compression, can alleviate pressure, and then alleviate the shake of cable, vertical pressure has been reduced, the whole body is protected.

2. The utility model discloses an utilize the connecting block to separate between with the cable, simultaneously when the distribution installation of cable, fix with equipment through the installation piece of fixed cover below to in use can not produce the friction between the cable, the power of rocking is absorbed by buffer spring, simultaneously can not and the erection equipment between take place the friction, has avoided holistic scraping, has improved life.

3. The utility model discloses an inner wall at the anticorrosive protection oversheath is provided with recess and arch respectively, recess and arch form wavy structure at the inner wall, through be provided with a plurality of hot-melt lines in wave structure inside, in the cable production process, through heating the cable after accomplishing processing, add the in-process and make inside hot-melt line melt, thereby fill between anticorrosive protection oversheath and copper sheathing, and wave structure has improved the surface area of anticorrosive protection oversheath inner wall, thereby make inseparabler between the two at the in-process of connecting, the fastness is stronger.

Drawings

FIG. 1 is an internal cross-sectional view of the present invention;

fig. 2 is a schematic view of the structure of the fixing sleeve of the present invention;

FIG. 3 is a partial enlarged view of area A of the present invention;

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

In the figure: 1. a cable; 2. an outer corrosion protection sheath; 3. hot-melting wires; 4. a groove; 5. a protrusion; 6. a copper sheath; 7. an insulating filling layer; 8. a conductor shield layer; 9. a sector conductor; 10. fixing a sleeve; 11. a sleeve body; 12. a buffer chamber; 13. a fixed block; 14. a buffer spring; 15. a clamping block; 16. a sponge; 17. connecting blocks; 18. and (7) installing the block.

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.

Referring to fig. 1-4, the present invention provides an embodiment: an overhead insulated cable comprises a cable 1, an anticorrosive protective outer sheath 2 is arranged outside the cable 1, grooves 4 and bulges 5 are respectively arranged on the inner wall of the anticorrosive protective outer sheath 2, a plurality of grooves 4 and bulges 5 are arranged on the grooves 4 and the bulges 5, a copper sheath 6 is arranged inside the anticorrosive protective outer sheath 2, a hot-melt wire 3 is arranged between the anticorrosive protective outer sheath 2 and the copper sheath 6, a plurality of hot-melt wires 3 are arranged, an insulating filling layer 7 is arranged inside the copper sheath 6, a conductor shielding layer 8 is arranged inside the insulating filling layer 7, a fan-shaped conductor 9 is arranged inside the conductor shielding layer 8, a fixed sleeve 10 is arranged outside the cable 1, the fixed sleeve 10 comprises a sleeve body 11, a connecting block 17 and a mounting block 18, two sleeve bodies 11 are arranged, a fixed block 13 is arranged inside the sleeve body 11, a plurality of fixed blocks 13 are arranged, and the fixed blocks 13, buffer springs 14 are mounted at one ends of the fixing blocks 13, and clamping blocks 15 are arranged at one ends, far away from the fixing blocks 13, of the buffer springs 14.

Further, be provided with cushion chamber 12 between cable 1 and the cover body 11, fixed block 13 and cover body 11 fixed connection, buffer spring 14 and fixed block 13 and clamp splice 15 fixed connection, the pressure of cable 1 passes through clamp splice 15 and transmits to buffer spring 14, and buffer spring 14 receives the pressure and takes place elastic deformation to produce the compression, the in-process of compression can be alleviated pressure, and then alleviates violent shake of cable 1, has reduced vertical pressure, forms the protection to the whole body.

Further, the clamping block 15 is provided with sponge 16 near the one end of cable 1, and the one end of sponge 16 is pasted with clamping block 15 and is connected, and the other end of sponge 16 is laminated with cable 1 mutually, and sponge 16 has soft characteristic, protects cable 1's surface at the in-process of centre gripping, avoids scraping.

Further, be provided with connecting block 17 between the cover body 11, and cover body 11 and connecting block 17 structure as an organic whole, installation piece 18 is located the upper and lower both ends of the cover body 11, and installation piece 18 and the cover body 11 fixed connection, can not produce the friction between the cable 1, and the power of rocking is absorbed by buffer spring 14, can not take place the friction simultaneously between with the erection equipment, has avoided holistic scraping, has improved life.

Further, recess 4 and 5 interval settings of arch, and hot melt line 3 and anticorrosive protection oversheath 2 and copper sheathing 6 fixed connection, recess 4 and arch 5 form wavy structure at the inner wall, through be provided with a plurality of hot melt lines 3 in wavy structure inside, in cable production process, through heating the cable after accomplishing processing, add the in-process and make inside hot melt line 3 melt, thereby fill between anticorrosive protection oversheath 2 and copper sheathing 6, and wavy structure has improved the surface area of anticorrosive protection oversheath 2 inner wall, thereby make inseparabler between the two at the in-process of connecting.

Further, the insulating filling layer 7 is fixedly connected with the copper sheath 6 and the conductor shielding layer 8, the insulating filling layer 7 is made of cross-linked polyethylene material, and the insulating filling layer is good in chemical stability, capable of resisting corrosion of most of acid and alkali, insoluble in common solvents at normal temperature, small in water absorption and excellent in electrical insulation.

The working principle is as follows: when the cable is installed inside the sleeve body 11, the buffer springs 14 distributed in an annular shape are arranged in the sleeve body 11, the clamping blocks 15 on the inner sides of the buffer springs 14 are attached to the cable 1, so that the cable 1 is in an overhead state inside, meanwhile, the sponge 16 is adhered to one end, close to the cable 1, of the clamping blocks 15, the sponge 16 has a soft characteristic, the surface of the cable 1 is protected in the clamping process to avoid scraping, when the cable 1 shakes violently in severe weather, the pressure of the cable 1 is transmitted to the buffer springs 14 through the clamping blocks 15, the buffer springs 14 are pressed to deform elastically, so that compression is generated, in the compression process, the pressure can be relieved, further the shaking of the cable 1 is relieved, the vertical pressure is reduced, the whole body is protected, meanwhile, the connecting blocks 17 are used for separating the cable 1, and when the cable 1 is installed violently, through fixing the installation piece 18 and equipment of fixed cover 10 below, thereby in use, can not produce the friction between the cable 1, the power of rocking is absorbed by buffer spring 14, can not take place the friction between with the erection equipment simultaneously, holistic scraping has been avoided, and the service life is prolonged, in addition in the cable production process, through heating the cable after accomplishing processing, join the in-process and make inside hot melt line 3 melt, thereby pack between anticorrosive protection oversheath 2 and copper sheathing 6, and wave structure has improved the surface area of anticorrosive protection oversheath 2 inner wall, thereby make inseparabler between the two at the in-process of connecting, the fastness is stronger.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. An overhead insulated cable comprising a cable (1), characterized in that: the cable is characterized in that an anti-corrosion protection outer sheath (2) is arranged outside the cable (1), a groove (4) and a protrusion (5) are respectively arranged on the inner wall of the anti-corrosion protection outer sheath (2), the groove (4) and the protrusion (5) are provided with a plurality of, a copper sheath (6) is arranged inside the anti-corrosion protection outer sheath (2), a hot-melt wire (3) is arranged between the anti-corrosion protection outer sheath (2) and the copper sheath (6), the hot-melt wire (3) is provided with a plurality of, an insulation filling layer (7) is arranged inside the copper sheath (6), a conductor shielding layer (8) is arranged inside the insulation filling layer (7), a fan-shaped conductor (9) is arranged inside the conductor shielding layer (8), a fixing sleeve (10) is arranged outside the cable (1), and the fixing sleeve (10) is composed of a sleeve body (11), a connecting block (17) and an installation block (18, and the cover body (11) is provided with two, the inside of the cover body (11) is provided with fixed block (13), and fixed block (13) are provided with a plurality of, and fixed block (13) are the annular and distribute, buffer spring (14) are all installed to the one end of fixed block (13), buffer spring (14) keep away from the one end of fixed block (13) and are provided with clamp splice (15).

2. An overhead insulated cable according to claim 1, characterized in that: be provided with cushion chamber (12) between cable (1) and the cover body (11), fixed block (13) and cover body (11) fixed connection, buffer spring (14) and fixed block (13) and clamp splice (15) fixed connection.

3. An overhead insulated cable according to claim 1, characterized in that: one end of the clamping block (15) close to the cable (1) is provided with a sponge (16), one end of the sponge (16) is pasted with the clamping block (15) and connected, and the other end of the sponge (16) is attached to the cable (1).

4. An overhead insulated cable according to claim 1, characterized in that: the connecting block (17) is arranged between the sleeve bodies (11), the sleeve bodies (11) and the connecting block (17) are of an integrated structure, the mounting blocks (18) are located at the upper end and the lower end of the sleeve bodies (11), and the mounting blocks (18) are fixedly connected with the sleeve bodies (11).

5. An overhead insulated cable according to claim 1, characterized in that: the groove (4) and the protrusion (5) are arranged at intervals, and the hot-melt wire (3) is fixedly connected with the anti-corrosion protection outer sheath (2) and the copper sheath (6).

6. An overhead insulated cable according to claim 1, characterized in that: and the insulating filling layer (7) is fixedly connected with the copper sheath (6) and the conductor shielding layer (8).

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