CN213781647U

CN213781647U - Large-span tensile power-off cable

Info

Publication number: CN213781647U
Application number: CN202023210316.3U
Authority: CN
Inventors: 章国榜; 施晓宝
Original assignee: WUHAN HONGLIAN WIRE & CABLE CO LTD
Current assignee: WUHAN HONGLIAN WIRE & CABLE CO LTD
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-07-23
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses an anti stretch-break cable of large-span relates to tensile outage cable technical field. The utility model discloses a cable body, thermal-insulated insulating filling layer and pine pipe box, the fixed setting in the inside center of cable body in the outside of thermal-insulated insulating filling layer, the outside fixed mounting of pine pipe box is in the inside of thermal-insulated insulating filling layer. The utility model discloses a set up rubber layer, aramid fiber silk reinforcement weaving layer, improved the general pull resistance of this cable greatly, when meetting the exotensile force, the cable is difficult to be broken by the stretch-breaking, prevents simultaneously that the conductor is elongated at crooked in-process, can not produce the insulation core and bulge, and the conductor can consequently and fracture earlier, increase of service life, through setting up plastic-coated aluminum tape, improved the water-proof effects of cable greatly, prevent that water from getting into, the protection cable can consequently not produce short circuit phenomenon. When the cable is fixed at a certain position by arranging the pull belt and the pull ring, the cable can be directly fixed through the binding belt.

Description

Large-span tensile power-off cable

Technical Field

The utility model belongs to the technical field of the tensile failure cable, especially, relate to a large-span tensile failure cable.

Background

The cable is used for transmitting and distributing electric energy, the power cable is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission under river-crossing seawater, the proportion of the cable in the power line is gradually increased, the power cable is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system, and the power cable comprises 1-500KV and various voltage grades and various insulated power cables. Traditional cable's tensile resistance is relatively poor, easily breaks when meetting the pulling force to the work pulling receives wearing and tearing easily, and life is not high, and traditional cable does not form a complete set and has the stretching strap certainly, when needs fix the cable in a certain position, can't accomplish fixed operation immediately.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a large-span anti-breaking cable to current problem has been solved: traditional cable's tensile resistance is relatively poor, easily breaks when meetting the pulling force to the work pulling receives wearing and tearing easily, and life is not high, and traditional cable does not form a complete set and has the stretching strap certainly, when needs fix the cable in a certain position, can't accomplish fixed operation immediately.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a large-span tensile break cable, including cable body, thermal-insulated insulating filling layer and pine pipe box, the fixed inside center that sets up at the cable body in the outside of thermal-insulated insulating filling layer, the outside fixed mounting of pine pipe box is in the inside of thermal-insulated insulating filling layer.

Furthermore, an anti-abrasion sheath is arranged inside the cable body, the outer side of the anti-abrasion sheath is fixedly arranged on the outermost side of the cable body, a rubber layer is arranged on the inner side of the anti-abrasion sheath, and the outer side of the rubber layer is fixedly connected with the inner side of the anti-abrasion sheath.

Further, the fixed aramid fiber silk that is provided with in cable body consolidates the weaving layer, the outside that aramid fiber silk consolidates the weaving layer is provided with the rubber layer, just the inboard on rubber layer and the outside fixed connection that aramid fiber silk consolidates the weaving layer.

Further, the fixed plastic-coated steel band that is provided with in inside of cable body, the outside of plastic-coated steel band is provided with aramid fiber silk reinforcement weaving layer, just the inboard of aramid fiber silk reinforcement weaving layer and the outside fixed connection of plastic-coated steel band, the inboard of plastic-coated steel band is provided with the material layer that blocks water, just the outside on material layer that blocks water and the inboard fixed connection of plastic-coated steel band, the inboard on material layer that blocks water is provided with plastic-coated aluminum strip, just the outside of plastic-coated aluminum strip and the inboard fixed connection on material layer that blocks water.

Further, the inside of thermal-insulated insulating filling layer is provided with the pine pipe box, just the outside of pine pipe box and the inside fixed connection of thermal-insulated insulating filling layer, the outside of thermal-insulated insulating filling layer is provided with the plastic-coated aluminum strip, just the inside of plastic-coated aluminum strip and the outside fixed connection of thermal-insulated insulating filling layer.

Furthermore, the outside of cable body is provided with the stretching strap, just the inboard of stretching strap and the outside swing joint of cable body, the stretching strap upper end is provided with the pull ring, just the lower extreme of pull ring and the outer end fixed connection of stretching strap.

Furthermore, the inner bone of the loose tube sleeve is provided with a filler, the outer part of the filler is fixedly connected with the inner side of the loose tube sleeve, the inner part of the filler is provided with an optical fiber, and the outer side of the optical fiber is fixedly connected with the inner part of the filler.

Furthermore, the cable core is arranged at the center of the interior of the heat insulation filling layer, the outer side of the cable core is fixedly connected with the interior of the heat insulation filling layer, and the number of the loose tube sleeves is six.

The utility model discloses following beneficial effect has:

1. the utility model discloses a set up rubber layer, aramid fiber silk reinforcement weaving layer, improved the general pull resistance of this cable greatly, when meetting the exotensile force, the cable is difficult to be broken by the stretch-breaking, prevents simultaneously that the conductor is elongated at crooked in-process, can not produce the insulation core and bulge, and the conductor can consequently and fracture earlier, increase of service life, through setting up plastic-coated aluminum tape, improved the water-proof effects of cable greatly, prevent that water from getting into, the protection cable can consequently not produce short circuit phenomenon.

2. The utility model discloses a set up stretching strap and pull ring when work needs fix the cable in a certain position, directly fix through the bandage can.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the whole structure of the large-span anti-breaking cable of the present invention;

fig. 2 is a front view of the whole structure of the large-span anti-breaking cable of the present invention;

fig. 3 is a cross-sectional view of the large-span anti-breaking cable of the present invention;

FIG. 4 is an enlarged view of the optical fiber cable core in the long-span tension-break cable of the present invention;

fig. 5 is a cross-sectional enlarged view of each outer layer of the large-span anti-snapping cable of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a cable body; 2. pulling the belt; 3. a pull ring; 4. an anti-wear sheath; 5. a rubber layer; 6. reinforcing the braided layer by aramid fiber yarns; 7. coating a plastic steel belt; 8. a water-blocking material layer; 9. coating a plastic-aluminum strip; 10. a thermally insulating and insulating filling layer; 11. a filler; 12. an optical fiber; 13. a cable core; 14. and (4) loosening the pipe sleeve.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention relates to a large-span anti-breaking cable, which includes a cable body 1, a heat insulation filling layer 10 and a loose tube sleeve 14, wherein the heat insulation filling layer 10 is fixed at the center of the cable body 1, and the loose tube sleeve 14 is fixed inside the heat insulation filling layer 10. The inside of cable body 1 is provided with abrasionproof sheath 4, and the outside of abrasionproof sheath 4 is fixed to be set up in the outside of cable body 1, and the inboard of abrasionproof sheath 4 is provided with rubber layer 5, and the inboard fixed connection of the outside of rubber layer 5 and abrasionproof sheath 4. Fixed aramid fiber silk reinforcement braid 6 that is provided with in inside of cable body 1, the outside that aramid fiber silk reinforcement braid 6 is provided with rubber layer 5, and the inboard on rubber layer 5 and the outside fixed connection of aramid fiber silk reinforcement braid 6. The plastic-coated steel belt 7 is fixedly arranged inside the cable body 1, the aramid fiber wire reinforcing woven layer 6 is arranged on the outer side of the plastic-coated steel belt 7, the inner side of the aramid fiber wire reinforcing woven layer 6 is fixedly connected with the outer side of the plastic-coated steel belt 7, the water blocking material layer 8 is arranged on the inner side of the plastic-coated steel belt 7, the outer side of the water blocking material layer 8 is fixedly connected with the inner side of the plastic-coated steel belt 7, the plastic-coated aluminum belt 9 is arranged on the inner side of the water blocking material layer 8, the overall tensile resistance of the cable is greatly improved, the cable is not prone to being broken when external tensile force is met, the conductor is prevented from being lengthened in the bending process, the insulated wire core cannot bulge, the conductor cannot be broken firstly, the service life is prolonged, the waterproof effect of the cable is greatly improved by arranging the plastic-coated aluminum belt 9, water is prevented from entering, and the cable is protected, so that the short circuit phenomenon is not generated.

The inside of thermal-insulated insulating filling layer 10 is provided with pine pipe box 14, and the outside of pine pipe box 14 and the inside fixed connection of thermal-insulated insulating filling layer 10, and the outside of thermal-insulated insulating filling layer 10 is provided with plastic-coated aluminum strip 9, and the inside of plastic-coated aluminum strip 9 and the outside fixed connection of thermal-insulated insulating filling layer 10. The outside of cable body 1 is provided with stretching strap 2, and the inboard of stretching strap 2 and cable body 1's outside swing joint, and 2 upper ends of stretching strap are provided with pull ring 3, and the lower extreme of pull ring 3 and the outer end fixed connection of stretching strap 2. The inner bone of the loose tube sleeve 14 is provided with the filler 11, the outer part of the filler 11 is fixedly connected with the inner side of the loose tube sleeve 14, the inner part of the filler 11 is provided with the optical fiber 12, and the outer side of the optical fiber 12 is fixedly connected with the inner part of the filler 11. The cable core 13 is arranged at the center of the inside of the heat insulation filling layer 10, the outer side of the cable core 13 is fixedly connected with the inside of the heat insulation filling layer 10, the number of the loose tube sleeves 14 is six, and when the cable is required to be fixed at a certain position in work, the loose tube sleeves can be directly fixed through the binding bands.

One specific application of this embodiment is: during the use, on placing the building site with the cable earlier, the fixed outside that sets up at cable body 1 in the outside of abrasionproof sheath 4, the inboard of abrasionproof sheath 4 is provided with rubber layer 5, the inboard and the aramid fiber silk of rubber layer 5 consolidate the outside fixed connection of weaving layer 6. The fixed plastic-coated steel band 7 that is provided with in inside of cable body 1, the outside of plastic-coated steel band 7 is provided with aramid fiber silk reinforced braid 6, the outside of water blocking material layer 8 and plastic-coated steel band 7's inboard fixed connection, water blocking material layer 8's inboard is provided with plastic-coated aluminium area 9, the general pull resistance of this cable has been improved greatly, when meetting outer pulling force, the cable is difficult to be broken, prevent simultaneously that the conductor is elongated at crooked in-process, can not produce the insulating sinle silk and bulge, the conductor can consequently and fracture earlier, and prolonged service life, through setting up plastic-coated aluminium area 9, the water-proof effects of cable has been improved greatly, prevent that water from getting into, the protection cable, can consequently not produce short circuit phenomenon. The outer side of the loose tube sleeve 14 is fixedly connected with the inside of the heat insulation filling layer 10, the outer side of the heat insulation filling layer 10 is provided with a plastic-coated aluminum tape 9, the inner side of the pull belt 2 is movably connected with the outer side of the cable body 1, the upper end of the pull belt 2 is provided with a pull ring 3, the outer side of the filler 11 is fixedly connected with the inner side of the loose tube sleeve 14, the inner side of the filler 11 is provided with optical fibers 12, the outer side of the cable core 13 is fixedly connected with the inside of the heat insulation filling layer 10, the number of the loose tube sleeves 14 is six, and when the cable is required to be fixed at a certain position in work, the loose tube sleeve can be directly fixed through a binding band.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a large-span anti stretch-break cable, includes cable body (1), thermal-insulated insulating filling layer (10) and pine pipe box (14), its characterized in that: the outer side of the heat insulation and insulation filling layer (10) is fixedly arranged in the center of the interior of the cable body (1), and the outer side of the loose tube sleeve (14) is fixedly arranged in the heat insulation and insulation filling layer (10).

2. The large-span stretch-break-resistant cable according to claim 1, wherein an anti-wear sheath (4) is arranged inside the cable body (1), the outer side of the anti-wear sheath (4) is fixedly arranged at the outermost side of the cable body (1), a rubber layer (5) is arranged at the inner side of the anti-wear sheath (4), and the outer side of the rubber layer (5) is fixedly connected with the inner side of the anti-wear sheath (4).

3. The large-span stretch-break-resistant cable according to claim 1, wherein the cable body (1) is fixedly provided with an aramid fiber wire reinforcing and weaving layer (6) inside, a rubber layer (5) is arranged on the outer side of the aramid fiber wire reinforcing and weaving layer (6), and the inner side of the rubber layer (5) is fixedly connected with the outer side of the aramid fiber wire reinforcing and weaving layer (6).

4. The large-span stretch-break-resistant cable according to claim 1, wherein a plastic-coated steel strip (7) is fixedly arranged inside the cable body (1), an aramid fiber reinforcing and weaving layer (6) is arranged outside the plastic-coated steel strip (7), the inner side of the aramid fiber reinforcing and weaving layer (6) is fixedly connected with the outer side of the plastic-coated steel strip (7), a water-blocking material layer (8) is arranged inside the plastic-coated steel strip (7), the outer side of the water-blocking material layer (8) is fixedly connected with the inner side of the plastic-coated steel strip (7), a plastic-coated aluminum strip (9) is arranged inside the water-blocking material layer (8), and the outer side of the plastic-coated aluminum strip (9) is fixedly connected with the inner side of the water-blocking material layer (8).

5. The large-span tensile-breaking-resistant cable according to claim 1, wherein a loose tube sleeve (14) is arranged inside the heat-insulating and insulating filling layer (10), the outer side of the loose tube sleeve (14) is fixedly connected with the inside of the heat-insulating and insulating filling layer (10), a plastic-coated aluminum tape (9) is arranged on the outer side of the heat-insulating and insulating filling layer (10), and the inside of the plastic-coated aluminum tape (9) is fixedly connected with the outer side of the heat-insulating and insulating filling layer (10).

6. The large-span anti-snapping cable according to claim 1, wherein a pull belt (2) is disposed on an outer side of the cable body (1), an inner side of the pull belt (2) is movably connected with the outer side of the cable body (1), a pull ring (3) is disposed at an upper end of the pull belt (2), and a lower end of the pull ring (3) is fixedly connected with an outer end of the pull belt (2).

7. The large-span stretch-break-resistant cable according to claim 1, wherein the inner bone of the loose tube sleeve (14) is provided with a filler (11), and the outer part of the filler (11) is fixedly connected with the inner side of the loose tube sleeve (14), the inner part of the filler (11) is provided with an optical fiber (12), and the outer side of the optical fiber (12) is fixedly connected with the inner part of the filler (11).

8. The large-span tensile-breaking-resistant cable according to claim 1, wherein a cable core (13) is arranged at the center of the inside of the heat-insulating filling layer (10), the outer side of the cable core (13) is fixedly connected with the inside of the heat-insulating filling layer (10), and the number of the loose tube sleeves (14) is six.