CN211788294U - Buried anti-corrosion power cable - Google Patents

Abstract

The utility model discloses a bury formula anticorrosion power cable, including outer lag, outer lag internal surface is connected with the waterproof layer, the internal surface of waterproof layer is connected with anti-corrosion coating, anti-corrosion coating's internal surface connection resistance to compression ring, the internal surface connection of resistance to compression ring has elastic buffer layer, elastic buffer layer's internal surface connection has the lock ring, the internal surface connection of lock ring has outer insulating ring, outer insulating ring's middle part is equipped with the insulating rubber piece, the cross-section that is equipped with a plurality of evenly distributed between outer insulating ring and the insulating rubber piece is sectorial waterproof filling layer, is equipped with the insulator spindle between the adjacent waterproof filling layer, the one end and the outer insulating layer of insulator spindle are connected, and the other end is connected with the insulating rubber piece, all is equipped with cable electricity core in every waterproof filling layer, the beneficial effects of the utility model are that: the anti-corrosion and anti-pressure buried power cable has the advantages of being high in anti-corrosion capacity and anti-pressure capacity, guaranteeing normal work of the buried power cable and prolonging the service life of the buried power cable.

Description

Buried anti-corrosion power cable

Technical Field

The utility model relates to a wire and cable technical field especially relates to a bury formula anticorrosion power cable.

Background

The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. In electric wire netting system, often adopt to bury formula to long distance cable installation and lay, install power cable in the underground, it is more hidden and safe, nevertheless because power cable generally all shallowly buries in the underground, if the landslide appears or the road surface receives when very big gravity, can produce stronger pressure to power cable, lead to the extrusion deformation or even damage of cable, underground environment is comparatively for overcast and cool moist simultaneously, and different soil can produce different corrosivity, and power cable works under this kind of environment for a long time, can cause the corrosion damage of power cable insulating layer, cause the obstacle of circuit transportation.

SUMMERY OF THE UTILITY MODEL

Not enough to the aforesaid, the utility model provides a bury formula anticorrosion power cable has resistance to corrosion simultaneously compressive capacity strong, can ensure to bury formula power cable's normal work, buries formula power cable's life with the extension.

The utility model discloses a realize through following technical scheme: a buried anti-corrosion power cable comprises an outer protective sleeve, wherein a waterproof layer is connected to the inner surface of the outer protective sleeve, an anti-corrosion layer is connected to the inner surface of the waterproof layer, an anti-pressure ring is connected to the inner surface of the anti-corrosion layer, an elastic buffer layer is connected to the inner surface of the anti-pressure ring, a support ring is connected to the inner surface of the elastic buffer layer, an outer insulating ring is connected to the inner surface of the support ring, an insulating rubber block is arranged in the middle of the outer insulating ring, a plurality of waterproof filling layers which are uniformly distributed and have fan-shaped cross sections are arranged between the outer insulating ring and the insulating rubber block, an insulating rod is arranged between every two adjacent waterproof filling layers, one end of each insulating rod is connected with the outer insulating layer, the other end of each insulating rod is connected with the insulating rubber block, a cable core is arranged in each waterproof filling layer, triangular support frames are arranged on, the elastic buffer layer is filled between the adjacent triangular support frames, and insect prevention agents are arranged in the elastic buffer layer.

As an optimal technical scheme of the utility model, be equipped with spacing support in the waterproof filling layer, spacing support fixed mounting is on the internal surface of external insulation circle, cable electricity core imbeds in spacing support frame.

As a preferred technical solution of the present invention, the anti-corrosion layer is made of fluororubber, and the thickness of the anti-corrosion layer is two millimeters.

As an optimized technical scheme of the utility model, the resistance to compression ring adopts polyethylene combined material to make.

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

(1) the elastic buffer layer is arranged, so that the pressure applied to the support ring can be reduced, the compression resistance of the support ring can be improved, and the service life of the power cable can be prolonged;

(2) the anti-corrosion layer can improve the anti-corrosion capability of the power cable, so that corrosive substances cannot enter the power cable, the corrosion of external corrosive substances to the power cable can be effectively and directly prevented, the arrangement of the insect-proof agent can prevent the corrosion of moths and the gnawing of mice, and the damage to the internal structure of the power cable caused by the corrosion of the moths and the gnawing of the mice is avoided;

(3) the waterproof layer and the waterproof filling layer are arranged to form a double-layer waterproof structure, so that the waterproof performance is high.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the present invention.

List of reference numerals: 1. an outer protective sleeve; 2. a waterproof layer; 3. an anti-corrosion layer; 4. A compression resistant ring; 5. an elastic buffer layer; 6. a support ring; 7. an outer insulating ring; 8. an insulating rubber block; 9. a waterproof filler layer; 10. an insulating rod; 11. a cable core; 12. A triangular support frame; 13. insect control agents; 14. and a limiting bracket.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and embodiments, which are to be understood as illustrative only and not limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1, the buried anti-corrosion power cable comprises an outer protective sleeve 1, wherein a waterproof layer 2 is connected to the inner surface of the outer protective sleeve 1, an anti-corrosion layer 3 is connected to the inner surface of the waterproof layer 2, the waterproof layer 2 can prevent underground moisture from entering the power cable, the anti-corrosion layer 3 improves the anti-corrosion capability of the power cable, so that corrosive substances in soil or gravel cannot penetrate into a cable core 11, an anti-pressure ring 4 is connected to the inner surface of the anti-corrosion layer 3, an elastic buffer layer 5 is connected to the inner surface of the anti-pressure ring 4, a support ring 6 is connected to the inner surface of the elastic buffer layer 5, an outer insulating ring 7 is connected to the inner surface of the support ring 6, an insulating rubber block 8 is arranged in the middle of the outer insulating ring 7, a plurality of waterproof filling layers 9 which are uniformly distributed and have fan-shaped cross sections are arranged between the outer insulating ring 7, waterproof performance of power cable is further strengthened to waterproof filling layer 9, plays fixed effect to cable electric core 11 simultaneously, is equipped with insulator spindle 10 between the adjacent waterproof filling layer 9, the one end and the outer insulating layer 7 of insulator spindle 10 are connected, and the other end is connected with insulating rubber piece 8, all is equipped with cable electric core 11 in every waterproof filling layer 9, impartial distance is equipped with triangle-shaped support frame 12 on the surface of lock ring 6, the top of triangle-shaped support frame 12 contacts with the medial surface of resistance ring 4, elastic buffer layer 5 fills between adjacent triangle-shaped support frame 12, be equipped with protection against insects medicament 13 in the elastic buffer layer 5.

As an embodiment of the utility model, be equipped with spacing support 14 in the waterproof filling layer 9, spacing support 14 fixed mounting is on the internal surface of outer insulating ring 7, cable electricity core 11 imbeds in spacing support frame 14, and spacing support plays fixed effect to cable electricity core.

As an embodiment of the present invention, the anti-corrosion layer 3 is made of fluororubber, and the thickness of the anti-corrosion layer 3 is two millimeters, wherein the fluororubber has excellent heat resistance, oxidation resistance, oil resistance, corrosion resistance and atmospheric aging resistance, and has strong resistance to corrosive substances such as acids, alkalis, salts and the like, corrosive soil and gravel, and chemical wastewater, and does not cause secondary pollution to water and soil.

As an embodiment of the utility model, resistance to compression ring 4 adopts polyethylene combined material to make, and compressive property is good, the effectual resistance to compression bearing capacity that has improved power cable.

The utility model discloses the during operation, when receiving external pressure, compression ring 4 and triangle-shaped support frame 12 have certain effect of keeping out to pressure, and support ring 6 can avoid pressure direct action at external insulation layer 7, strengthens power cable's holistic compressive capacity, through setting up external insulation layer 7, insulator spindle 10 and insulating rubber piece 8, sets up every cable electricity core 11 in relatively independent insulation space, avoids appearing the condition of mutual interference between cable electricity core 11, and is overall, the utility model relates to a rationally, simple structure has stronger resistance to corrosion simultaneously compressive capacity strong, can ensure the normal work of burying formula power cable, buries formula power cable's life in extension

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A buried anti-corrosion power cable is characterized in that: the cable protection sleeve comprises an outer protection sleeve, a waterproof layer is connected to the inner surface of the outer protection sleeve, an anti-corrosion layer is connected to the inner surface of the waterproof layer, an anti-pressure ring is connected to the inner surface of the anti-corrosion layer, an elastic buffer layer is connected to the inner surface of the anti-pressure ring, a support ring is connected to the inner surface of the elastic buffer layer, an outer insulating ring is connected to the inner surface of the support ring, an insulating rubber block is arranged in the middle of the outer insulating ring, a plurality of waterproof filling layers which are uniformly distributed and have fan-shaped cross sections are arranged between the outer insulating ring and the insulating rubber block, an insulating rod is arranged between every two adjacent waterproof filling layers, one end of each insulating rod is connected with the outer insulating layer, the other end of each insulating rod is connected with the insulating rubber block, a cable core is arranged in each waterproof filling layer, triangular support frames, the elastic buffer layer is filled between the adjacent triangular support frames, and insect prevention agents are arranged in the elastic buffer layer.

2. A buried corrosion protection power cable according to claim 1, characterized in that: the cable core is embedded in the limiting support frame.

3. A buried corrosion protection power cable according to claim 1, characterized in that: the anti-corrosion layer is made of fluororubber, and the thickness of the anti-corrosion layer is two millimeters.

4. A buried corrosion protection power cable according to claim 1, characterized in that: the compression resistant ring is made of polyethylene composite materials.

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