CN215342064U

CN215342064U - Bending-resistant high-strength cable for sea prison power system

Info

Publication number: CN215342064U
Application number: CN202121176161.8U
Authority: CN
Inventors: 杨志鸿; 胡君臣; 姚宏安; 钱志兵
Original assignee: Yangzhou Guangming Cable Co ltd
Current assignee: Yangzhou Guangming Cable Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2021-12-28
Anticipated expiration: 2031-05-28

Abstract

The utility model belongs to the technical field of cables, in particular to a bending-resistant high-strength cable for a sea prison power system, which comprises a cable core, wherein an insulating layer wraps the outer layer of the cable core, a shielding layer wraps the outer layer of the insulating layer, a filling layer is filled between the shielding layer and the insulating layer, a buffer layer wraps the outer layer of the shielding layer, a flame-retardant layer wraps the outer layer of the buffer layer, a bending-resistant layer is sleeved on the outer layer of the flame-retardant layer, the bending-resistant layer is of a spiral structure, a plurality of compression-resistant layers are arranged on the outer layer of the bending-resistant layer, a hollow layer is arranged between the compression-resistant layers, a protective sleeve wraps the outer layer of the compression-resistant layer, an abrasion-resistant strip is arranged on the surface of the protective sleeve, the abrasion-resistant strip is of a convex structure, the buffer layer is of a surface hollow structure, the compression-resistant layer is of a cross structure, glass fibers are arranged on the outer layer of the shielding layer, a waterproof layer is arranged on the outer layer of the glass fibers, and a corrosion-resistant layer is arranged on the outer layer of the waterproof layer, so that the cable is easy to damage when the cable is bent, self-winding and knotting.

Description

Bending-resistant high-strength cable for sea prison power system

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to a bending-resistant high-strength cable for a sea prison power system.

Background

The power cable is a cable with a thick wire diameter, generally 3 cores or four cores, thick interphase insulation and metal armor protection on the outer side, each group of wires are insulated from each other and are usually twisted around a center, and the whole outer surface is wrapped by a high-insulation covering layer, so that the power cable has the characteristics of internal electrification and external insulation, and the electric wire and cable products adopted by the power system mainly comprise an overhead bare wire, a busbar (bus), a power cable (plastic cable, an oil paper power cable (basically replaced by the plastic power cable), a rubber sleeve cable, an overhead insulated cable), a branch cable (replacing part of the bus), an electromagnetic wire, an electric equipment wire and cable for power equipment and the like; present cable appears damaging easily when crooked, and structural strength is lower, and water-proof effects is not good, and the higher cable self intensity of resistant crooked degree is lower, and bearing capacity is relatively poor, and the heat resistance is poor, has reduced the life of cable, to the problem that exposes in the present cable use, is necessary to carry out structural improvement and optimization to the cable.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a high-strength bending-resistant cable for a sea prison power system, which has the characteristics of automatic resetting and increasing the pressure resistance of the cable when the cable is bent.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a resistant crooked high strength cable of sea prison driving system, includes the cable core, the outer parcel of cable core has the insulating layer, the outer parcel of insulating layer has the shielding layer, it has the filling layer to fill between shielding layer and the insulating layer, the outer parcel of shielding layer has the buffer layer, the outer parcel of buffer layer has fire-retardant layer, the outer cover on fire-retardant layer has resistant curved layer, and resistant curved layer is helical structure, the outer of resistant curved layer is provided with a plurality of resistance to compression layer, be provided with hollow layer between the resistance to compression layer, the outer parcel on resistance to compression layer has the protective sheath, the surface of protective sheath is provided with the abrasionproof strip.

As the preferable technical scheme of the bending-resistant high-strength cable for the sea prison power system, the buffer layer is of a surface hollow structure.

As the preferable technical scheme of the bending-resistant high-strength cable for the sea prison power system, the pressure-resistant layer is of a cross structure.

As the preferable technical scheme of the bending-resistant high-strength cable of the sea prison power system, the anti-abrasion strip is of a convex structure.

As the preferable technical scheme of the bending-resistant high-strength cable for the sea prison power system, the outer layer of the shielding layer is provided with glass fibers.

As the preferable technical scheme of the bending-resistant high-strength cable for the sea prison power system, a waterproof layer is arranged on the outer layer of the glass fiber.

As the preferable technical scheme of the bending-resistant high-strength cable for the sea prison power system, the corrosion-resistant layer is arranged on the outer layer of the waterproof layer.

Compared with the prior art, the utility model has the beneficial effects that: through the construction of installation spiral resilience, be of value to automatic re-setting when making the cable crooked, the cable damage appears easily when crooked has been solved, the problem that self winding was tied a knot, through setting up hollow out construction's buffer layer, be of value to prevent that the cable from being heated the inflation, produce the extrusion and lead to internal damage, the resistance to compression through installation cross structure, be of value to the resistance to compression that increases the cable, when avoiding receiving external force striking or extrusion, cause the damage to inside cable core 1, it is lower to have solved cable self intensity, the bearing capacity is relatively poor, influence cable life's problem.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a bend-resistant high strength cable of the present invention;

FIG. 2 is a schematic diagram of a plan view of a bend-resistant high-strength cable according to the present invention;

FIG. 3 is a schematic view of the structure of the bending-resistant layer inside the cable of the present invention;

FIG. 4 is a schematic view of the structure of the inner buffer layer of the cable of the present invention;

FIG. 5 is a schematic view of the internal structure of the cable jacket of the present invention;

in the figure: 1. a cable core; 2. an insulating layer; 3. a filling layer; 4. a shielding layer; 5. a buffer layer; 6. a flame retardant layer; 7. a bend-resistant layer; 8. a pressure resistant layer; 9. a hollow layer; 10. a protective sleeve; 11. an anti-wear strip; 12. glass fibers; 13. a waterproof layer; 14. a corrosion resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a sea prison driving system resistant crooked high strength cable, including cable core 1, the outer parcel of cable core 1 has insulating layer 2, the outer parcel of insulating layer 2 has shielding layer 4, it has filling layer 3 to fill between shielding layer 4 and the insulating layer 2, the outer parcel of shielding layer 4 has buffer layer 5, the outer parcel of buffer layer 5 has fire-retardant layer 6, the outer cover of fire-retardant layer 6 has resistant curved layer 7, and resistant curved layer 7 is helical structure, resistant curved layer 7's outer is provided with a plurality of resistance to compression layer 8, be provided with hollow layer 9 between the resistance to compression layer 8, the outer parcel of resistance to compression layer 8 has protective sheath 10, the surface of protective sheath 10 is provided with wear strip 11, in this embodiment, when the cable is crooked, through resistant curved layer 7 helical structure's resilience, make the cable reset rapidly, thereby increase the bending resistance of cable.

Specifically, buffer layer 5 is surface hollow out construction, prevents in this embodiment that the cable from being heated the inflation, produces the extrusion and leads to inside damage.

Specifically, the anti-pressure layer 8 is of a cross structure, the anti-pressure performance of the cable is improved in the embodiment, and damage to the inner cable core 1 caused by external impact or extrusion is avoided.

Specifically, the wear strip 11 is a protruding structure, and in this embodiment, the wear strip 11 first contacts the ground or other objects, so as to increase the wear resistance of the cable.

Specifically, the outer layer of the shielding layer 4 is provided with the glass fibers 12, and in the embodiment, the insulation property and the heat resistance of the cable are improved by the good insulation property and the strong heat resistance of the glass fibers.

Specifically, the outer layer of the glass fiber 12 is provided with a waterproof layer 13, and the material of the waterproof layer 13 in this embodiment is acrylic waterproof paint, so as to play roles of waterproofing, seepage prevention and cable protection.

Specifically, the outer layer of the waterproof layer 13 is provided with a corrosion-resistant layer 14, and mildew resistance and corrosion resistance are increased to some extent by the corrosion-resistant coating in this embodiment.

The working principle and the using process of the utility model are as follows: firstly, the cable is quickly reset through the resilience of the spiral structure of the bending-resistant layer 7, so that the bending resistance of the cable is improved; the compression-resistant layer 8 is of a cross structure, so that the compression resistance of the cable is improved, and the damage to the inner cable core 1 caused by external impact or extrusion is avoided; good, the heat resistance is strong through glass fiber's insulating nature to improve the insulating nature and the heat resistance of cable again, buffer layer 5 through inside setting is surface hollow out construction, can prevent that the cable from being heated the inflation, produces the extrusion and leads to internal damage.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. 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

1. The utility model provides a resistant crooked high strength cable of sea prison driving system, includes cable core (1), its characterized in that: the outer parcel of cable core (1) has insulating layer (2), the outer parcel of insulating layer (2) has shielding layer (4), it has filling layer (3) to fill between shielding layer (4) and insulating layer (2), the outer parcel of shielding layer (4) has buffer layer (5), the outer parcel of buffer layer (5) has fire-retardant layer (6), the outer cover of fire-retardant layer (6) has resistant curved layer (7), and resistant curved layer (7) are helical structure, the outer of resistant curved layer (7) is provided with a plurality of crushing layer (8), be provided with hollow layer (9) between crushing layer (8), the outer parcel of crushing layer (8) has protective sheath (10), the surface of protective sheath (10) is provided with abrasionproof strip (11).

2. The marine prison power system bending-resistant high-strength cable according to claim 1, characterized in that: the buffer layer (5) is of a surface hollow structure.

3. The marine prison power system bending-resistant high-strength cable according to claim 1, characterized in that: the anti-pressure layer (8) is of a cross structure.

4. The marine prison power system bending-resistant high-strength cable according to claim 1, characterized in that: the wear-resistant strip (11) is of a convex structure.

5. The marine prison power system bending-resistant high-strength cable according to claim 1, characterized in that: the outer layer of the shielding layer (4) is provided with glass fibers (12).

6. The marine prison power system bending-resistant high-strength cable as claimed in claim 5, wherein: and a waterproof layer (13) is arranged on the outer layer of the glass fiber (12).

7. The high-strength bending-resistant cable for the marine prison power system as claimed in claim 6, wherein: and the outer layer of the waterproof layer (13) is provided with a corrosion-resistant layer (14).