CN223108558U

CN223108558U - A shore-based cable

Info

Publication number: CN223108558U
Application number: CN202422159706.4U
Authority: CN
Inventors: 黄成志; 牛军伟; 孙久龙; 刘凤华; 陈长磊; 朱士博; 张健
Original assignee: Zhejiang Wanma Special Cable Technology Co ltd
Current assignee: Zhejiang Wanma Special Cable Technology Co ltd
Priority date: 2024-09-03
Filing date: 2024-09-03
Publication date: 2025-07-15
Anticipated expiration: 2034-09-03

Abstract

The utility model discloses a shore-based cable, which belongs to the field of cables and comprises a plurality of power wire cores which are mutually cabled, a first elastic protection layer, a braiding layer assembly, a second elastic protection layer, a buoyancy layer and a third elastic protection layer which are sequentially wrapped outside the power wire cores, and a plurality of control wire cores which are mutually cabled and are wrapped outside the braiding layer assembly, wherein the control wire cores are positioned in the second elastic protection layer. The utility model has the technical effects that the control wire core is not easy to break, bulge and the like.

Description

Shore-based cable

Technical Field

The utility model relates to a cable, in particular to a shore-based cable.

Background

A shore-based cable, also called a shore power cable, is a cable for connecting shore equipment and underwater operation equipment such as underwater robots and ships, and has the advantage of good connection performance.

The power wire core and the control wire core are important components of the shore-based cable, the power wire core and the control wire core of the related shore-based cable are poor in cabling performance, and when the related shore-based cable is used for a period of time or subjected to larger external force, the phenomena of broken core, raised core and the like of the control wire core are easily caused, so that the service life of the related shore-based cable is shortened.

Disclosure of utility model

The utility model aims to provide a shore-based cable, wherein the control wire core of the shore-based cable is not easy to break, bulge and the like.

The shore-based cable comprises a plurality of power wire cores which are mutually cabled, a first elastic protection layer, a weaving layer assembly, a second elastic protection layer, a buoyancy layer and a third elastic protection layer which are sequentially wrapped outside the power wire cores, and a plurality of control wire cores which are mutually cabled and are wrapped outside the weaving layer assembly, wherein the control wire cores are all located in the second elastic protection layer.

Optionally, the plurality of control wire cores are uniformly distributed along the circumferential direction of the braid assembly.

Optionally, the braiding layer assembly includes a reinforced braiding layer, a fourth elastic protection layer and a braiding shielding layer sequentially wrapped outside the first elastic protection layer, and the second elastic protection layer is wrapped outside the braiding shielding layer.

Optionally, the reinforcing braid includes a plurality of aramid filaments woven with each other, and the plurality of aramid filaments are all located between the first elastic protective layer and the fourth elastic protective layer.

Optionally, the braided shielding layer includes a plurality of aluminum alloy wires braided with each other, and the plurality of aluminum alloy wires are all located between the fourth elastic protection layer and the second elastic protection layer.

Optionally, the device further comprises a filling strip positioned inside the power wire cores.

Optionally, the power core includes:

A core body;

An insulating layer wrapped outside the core body;

The cable comprises a plurality of power cable cores, a cable core body and an insulating layer, wherein the cable cores are mutually cabled, and the first elastic protection layer is wrapped outside the insulating layer of the power cable cores.

Optionally, the insulating layer is made of high-tearing-resistance silicon rubber.

Optionally, the buoyancy layer comprises a plurality of aramid strands which are all wound outside the second elastic protection layer, and the third elastic protection layer wraps the aramid strands.

Optionally, the materials of the first elastic protection layer, the second elastic protection layer and the third elastic protection layer are polyurethane.

The first elastic protection layer is used for wrapping the power wire cores, so that the power wire cores and the first elastic protection layer can conveniently support the control wire cores, the control wire cores are prevented from being broken, and the second elastic protection layer is used for wrapping the control wire cores, so that the control wire cores are conveniently prevented from being raised.

Drawings

Fig. 1 is a schematic structural view of a shore-based cable according to embodiment 1 of the present utility model;

In the figure, 1, a power wire core, 11, a wire core body, 12, an insulating layer, 2, a first elastic protective layer, 3, a weaving layer assembly, 31, a reinforced weaving layer, 32, a fourth elastic protective layer, 33, a weaving shielding layer, 4, a control wire core, 5, a second elastic protective layer, 6, a buoyancy layer, 7, a third elastic protective layer, 8 and filling strips.

Detailed Description

In order to make the technical scheme of the utility model clearer, the utility model is further described in detail below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, the embodiment provides a shore-based cable, which comprises a plurality of power wire cores 1 mutually cabled, a first elastic protection layer 2, a braiding layer assembly 3, a second elastic protection layer 5, a buoyancy layer 6 and a third elastic protection layer 7 which are sequentially wrapped outside the power wire cores 1, and a plurality of control wire cores 4 mutually cabled, which are wrapped outside the braiding layer assembly 3, wherein the control wire cores 4 are positioned in the second elastic protection layer 5.

Specifically, the power wire core 1 is used for realizing electric energy transmission, and the specific number of the power wire cores 1 is not limited, and can be three, four, and the like, preferably three; the first elastic protection layer 2 wraps the power wire cores 1 in a extrusion mode, so that the power wire cores 1 are prevented from being displaced in use, the first elastic protection layer 2 is preferably made of polyurethane, the weaving layer component 3 is used for increasing the tensile property of the shore-based cable, the control wire cores 4 are used for realizing transmission of control signals, the specific number of the control wire cores 4 is not limited, three, four and the like, preferably three are adopted, the second elastic protection layer 5 wraps the control wire cores 4 in a extrusion mode, the control wire cores 4 are prevented from being displaced in use, the buoyancy layer 6 is convenient for enabling the shore-based cable of the application to have certain floating property, the buoyancy layer 6 is preferably made of aramid fiber, the third elastic protection layer 7 is used as an outer jacket of the shore-based cable of the application, the third elastic protection layer 7 is preferably made of polyurethane, the oil-resistant wire cores of the application are convenient to be increased, the high-temperature-resistant and wear-resistant to the control wire cores 1 are convenient for the control wire cores 4 to be prevented from being broken, the first elastic protection layer 5 is convenient for the control wire cores 1 to be wrapped, the control wire cores 4 are convenient for producing a plurality of the elastic protection layer 1, the control wire cores are convenient to be broken, the control wire cores 4 are convenient to be prevented from being broken, the control wire cores 2 are good in the control wire cores are prevented from being broken, and the elastic protection layer 1 are convenient to be used for producing the control wire cores are good in the control wire cores are high in the control wire cores are good in resistance, and the control cable 1 are easy to be high in the abrasion resistant to be high, and the abrasion resistant to be high, and the abrasion resistant to the abrasion, and the abrasion is resistant to the, it is convenient to prevent the control wire cores 4 from bulging.

Further, a plurality of control wire cores 4 are uniformly distributed along the circumferential direction of the braid assembly 3. Specifically, the circumferential uniform distribution is convenient for increasing the stress uniformity of a plurality of control wire cores 4.

Further, the braid assembly 3 includes a reinforcing braid 31, a fourth elastic protecting layer 32 and a braid shielding layer 33 sequentially wrapped outside the first elastic protecting layer 2, and the second elastic protecting layer 5 is wrapped outside the braid shielding layer 33. The reinforcing braid 31 is used for enhancing the tensile property of the shore-based cable of the application, the fourth elastic protection layer 32 wraps the reinforcing braid 31 by adopting an extrusion mode, the reinforcing braid 31 is convenient to fix, the fourth elastic protection layer 32 is preferably made of polyurethane, the braid shielding layer 33 is used for avoiding electromagnetic interference of the power wire core 1 to the control wire core 4, and the control signal of the control wire core 4 is ensured not to be affected.

Further, the reinforcing braid 31 includes a plurality of aramid filaments braided with each other, each of which is located between the first elastic protection layer 2 and the fourth elastic protection layer 32.

Further, the braided shield 33 includes a plurality of aluminum alloy wires braided with each other, each of the plurality of aluminum alloy wires being located between the fourth elastic protection layer 32 and the second elastic protection layer 5.

Further, a filler strip 8 is included within the plurality of power cores 1. Specifically, the filling strip 8 is used for supporting the power wire cores 1, and the material of the filling strip 8 is preferably polyurethane.

Further, the power wire core 1 comprises a wire core body 11 and an insulating layer 12 wrapped outside the wire core body 11, wherein the wire core bodies 11 and the insulating layer 12 of the power wire cores 1 are mutually cabled, and the first elastic protective layer 2 is wrapped outside the insulating layer 12 of the power wire cores 1. Specifically, the wire core body 11 is used for realizing electric energy transmission, the wire core body 11 can be formed by twisting a plurality of strands of round annealed tinned copper wires (namely, a sixth conductor specified by national standards), and the insulating layer 12 is used for increasing the insulating performance of the power wire core 1.

Further, the insulating layer 12 is made of high-tear-resistance silicone rubber. In particular, the high tear resistance silicone rubber facilitates providing insulation layer 12 with good high and low temperature resistance, good tear resistance, rapid vulcanization, excellent heat resistance, and the like.

Further, the buoyancy layer 6 comprises a plurality of aramid strands which are all wound outside the second elastic protection layer 5, and the third elastic protection layer 7 wraps the aramid strands. Specifically, the aramid yarn strands are wound in a sparse manner, so that a larger space is formed among the aramid yarn strands, the floating performance of the shore-based cable is improved, and the aramid yarn strands are also used for improving the tensile performance of the shore-based cable.

Further, the materials of the first elastic protection layer 2, the second elastic protection layer 5 and the third elastic protection layer 7 are polyurethane.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A shore-based cable is characterized by comprising a plurality of power wire cores which are mutually cabled, a first elastic protection layer, a weaving layer assembly, a second elastic protection layer, a buoyancy layer and a third elastic protection layer which are sequentially wrapped outside the power wire cores, and a plurality of control wire cores which are mutually cabled and are wrapped outside the weaving layer assembly, wherein the control wire cores are all located in the second elastic protection layer.

2. A shore-based cable according to claim 1, wherein said plurality of control cores are uniformly distributed along the circumference of said braid assembly.

3. A shore based cable according to claim 1 or 2, wherein said braid assembly comprises a reinforcing braid, a fourth elastic protective layer and a braided shield wrapped in sequence outside said first elastic protective layer, said second elastic protective layer being wrapped outside said braided shield.

4. A shore-based cable according to claim 3, wherein said reinforcing braid comprises a plurality of mutually braided aramid filaments, each of said plurality of aramid filaments being located between said first and fourth elastic protective layers.

5. A shore-based cable according to claim 3, wherein said braided shield comprises a plurality of aluminium alloy wires braided with each other, said aluminium alloy wires being located between said fourth elastic protective layer and said second elastic protective layer.

6. A shore-based cable according to claim 1 or 2, further comprising filler strips within said number of power cores.

7. A shore-based cable according to claim 1 or 2, wherein said power core comprises:

A core body;

An insulating layer wrapped outside the core body;

8. A shore-based cable according to claim 7, wherein said insulating layer is made of high tear-resistant silicone rubber.

9. A shore-based cable according to claim 1 or 2, wherein said buoyancy layer comprises a plurality of aramid strands which are all sparsely wound outside said second elastic protective layer, said third elastic protective layer surrounding said plurality of aramid strands.

10. A shore-based cable according to claim 1 or 2, wherein the first, second and third elastic protective layers are all made of polyurethane.