CN212847806U

CN212847806U - Marine cable with double-layer water resistance

Info

Publication number: CN212847806U
Application number: CN202022037432.3U
Authority: CN
Inventors: 刘为民
Original assignee: Yangzhou Liyuan Cable Co ltd
Current assignee: Yangzhou Liyuan Cable Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-03-30
Anticipated expiration: 2030-09-17

Abstract

The utility model belongs to the field of cables, in particular to a marine cable with double-layer water resistance, which comprises a wire and a plurality of core wires fixedly arranged inside the wire, wherein two adjacent core wires are mutually contacted, the outside of the wire is fixedly connected with a wire sleeve, the outside of the wire sleeve is provided with a waterproof layer, the inner wall of the waterproof layer is fixedly connected with a plurality of supporting blocks which are distributed in an annular shape, and the other ends of the supporting blocks are fixedly connected with the wire sleeve, the waterproof effect is improved, and the waterproof performance of the cable is improved.

Description

Marine cable with double-layer water resistance

Technical Field

The utility model relates to a cable field specifically is a marine cable with double-deck is waterproof.

Background

The cable is used for transmitting and distributing electric energy, the cable is made of one or more conductors insulated from each other and an outer insulating protective layer, and transmits electric power or information from one place to another place, wherein the marine cable is a branch of the cable, and the marine cable is a wire cable used for electric power, lighting, control and communication transmission of various ships in river and sea and offshore or offshore buildings, including marine power cables, marine communication cables and the like.

Present marine cable generally only sets up the waterproof layer of one deck and carries out the waterproof of cable in the cable outside, and water-proof effects is relatively poor, and the cable is fixed unstable when using on the ship in addition, touches other objects on the ship easily during the use, and the cracked condition of waterproof layer appears easily when the cable receives striking or extrudeing, can reduce waterproof performance, still makes the inside heart yearn of cable receive the damage easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a marine cable with double-deck is waterproof to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a marine cable with double-deck waterproof, includes wire and fixed mounting be in inside a plurality of heart yearn of wire, adjacent two mutual contact between the heart yearn, wire outside fixedly connected with line cover, the line cover outside has the waterproof layer, waterproof layer inner wall fixedly connected with a plurality of is the supporting shoe that the annular distributes, a plurality of the supporting shoe other end all with line cover fixed connection, adjacent two waterproof packing has between the supporting shoe, waterproof packing is the oleamen that blocks water, waterproof layer outer wall fixedly connected with a plurality of is the lug that the annular distributes, waterproof layer outside fixedly connected with insulating layer.

As a further aspect of the present invention: a plurality of equal fixedly connected with shielding layer in the heart yearn outside, adjacent two in the heart yearn outside the mutual contact between the shielding layer.

As a further aspect of the present invention: the insulating layer covers the bumps completely, and the inner wall of the insulating layer is completely attached to the bumps.

As a further aspect of the present invention: the supporting block is made of alkali-free glass fiber.

As a further aspect of the present invention: the top of the lug is arc-shaped, and the lug is made of rubber.

As a further aspect of the present invention: the insulating layer is made of asbestos.

As a further aspect of the present invention: the outer side wall of the insulating layer is fixedly connected with a wear-resistant protective layer, and the wear-resistant protective layer is completely attached to the insulating layer.

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

the utility model is provided with a waterproof layer with a plurality of supporting blocks on the inner wall outside the wire sleeve outside the wire, the supporting blocks connect the wire sleeve and the waterproof layer together, thereby improving the connection strength between the waterproof layer and the wire sleeve, the waterproof filling is waterproof factice which is waterproof factice filling the space between the two supporting blocks, the waterproof factice can carry out double-layer waterproofing through the waterproof factice and the waterproof layer, thereby improving the waterproof performance of the cable, a plurality of lugs made of rubber materials are fixed on the outer wall of the waterproof layer, when in use, the extrusion force or impact force of the cable can be dispersed and decomposed through the lugs, thereby playing a role of protecting the core wire, improving the pressure resistance, when the cable is bent, the lugs can automatically recover the cable, thereby improving the durability of the cable, and an accommodating cavity can be formed between the two adjacent lugs, when the cable is used, sharp or small objects can enter the cavity, the phenomenon that the insulating layer is punctured can be reduced, the durability of the cable is improved, and the service life of the cable is prolonged.

Drawings

FIG. 1 is a schematic structural diagram of a marine cable with double waterproof layers;

FIG. 2 is a schematic cross-sectional view of the side of a marine cable with double water protection;

fig. 3 is a schematic view illustrating a connection structure of a waterproof layer and a wire cover in a marine cable with double waterproof layers;

fig. 4 is a schematic side view of a marine cable with double water protection.

In the figure: 1. a wire; 11. a wire sleeve; 2. a core wire; 21. a shielding layer; 3. a waterproof layer; 31. a support block; 32. a bump; 4. waterproof filling; 5. an insulating layer; 6. and (5) a wear-resistant protective layer.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, a marine cable with double-deck is waterproof, including wire 1 and a plurality of heart yearn 2 of fixed mounting in wire 1 inside, contact each other between two adjacent heart yearns 2, 1 outside fixedly connected with line cover 11 of wire, the line cover 11 outside has

waterproof layer

3, 3 inner wall fixedly connected with of waterproof layer a plurality of supporting shoe 31 that are the annular and distribute, the plurality of supporting shoe 31 other end all with 11 fixed connection of line cover, waterproof filling 4 has between two adjacent supporting shoe 31, waterproof filling 4 is the oleamen that blocks water, 3 outer wall fixedly connected with of waterproof layer a plurality of is the lug 32 that the annular distributes, 3 outside fixedly connected with insulating layer 5 of waterproof layer.

In fig. 1, 2 and 3: the core wire 2 is arranged inside the wire 1, the wire sleeve 11 is fixed on the outer side of the wire 1, the wire 1 is completely wrapped by the wire sleeve 11, the wire 1 can be protected, the waterproof layer 3 is arranged on the outer side of the wire sleeve 11, the plurality of supporting blocks 31 on the inner side wall of the waterproof layer 3 are fixed with the wire sleeve 11, the wire sleeve 11 is connected with the waterproof layer 3 through the plurality of supporting blocks 31, the connection strength between the waterproof layer 3 and the wire sleeve 11 is improved, the supporting blocks 31 are made of alkali-free glass fibers, the alkali-free glass fibers are high in tensile strength and strong in rigidity, so that the supporting blocks 31 have good rigidity and tensile strength, the supporting blocks 31 are made to have toughness, the cable can be made to have stronger toughness together through the plurality of supporting blocks 31, the cable can only be bent to a certain degree, the cable can be effectively prevented from being bent to a greater extent, and the bending resistance, waterproof filling 4 is arranged between two adjacent supporting blocks 31, the waterproof filling 4 is waterproof factice, the waterproof factice is filled in the space between the two supporting blocks 31, double-layer waterproofing can be carried out through the waterproof factice and the waterproof layer 3, the waterproof effect is improved, the waterproof performance of the cable is improved, a plurality of convex blocks 32 are fixed on the outer wall of the waterproof layer 3, the tops of the convex blocks 32 are arc-shaped, the convex blocks 32 are made of rubber materials, when the cable is extruded or impacted, the convex blocks 32 made of the rubber materials can disperse pressure, then the compression force or the rebound of the convex blocks 32 can be decomposed, the compression force or the impact force applied to the cable can be effectively reduced, the core wire 2 can be protected, the compression resistance is improved, when the cable is stressed to bend in a small range, the convex blocks 32 made of the rubber materials can enable the cable to automatically recover, and the durability of the cable is improved, the insulating layer 5 is fixed on the outer side of the waterproof layer 3, the insulating layer 5 is made of asbestos, the asbestos has high fire resistance, electrical insulation and thermal insulation, so that the cable can have good insulation and fire resistance through the insulating layer 5, and further has a protection effect on the internal lead 1 and the internal core wire 2, when the cable contacts an external object, the convex blocks 32 can directly contact with the object, the lead 1 and the internal core wire 2 in the cable can be protected, a containing cavity can be formed between two adjacent convex blocks 32, when a sharp or small object is touched, the object can enter the containing cavity formed between the two convex blocks 32, the condition that the insulating layer 5 is punctured can be reduced, the durability of the cable is increased, the service life of the cable is prolonged, the insulating layer 5 completely covers the convex blocks 32, and the inner wall of the insulating layer 5 is completely attached to the convex blocks 32, therefore, the insulating layer 5 can completely wrap the plurality of convex blocks 32, and the accommodating cavity formed between the two convex blocks 32 can be exposed outside the cable, so that the use is convenient, and the wrapping effect of the accommodating cavity on an object is ensured.

In fig. 1: the outer sides of the core wires 2 are fixedly connected with shielding layers 21, and the shielding layers 21 on the outer sides of two adjacent core wires 2 are mutually contacted; the internal shield layer 21 outside the core wire 2 can play an anti-interference role, and the adjacent core wires 2 are in mutual contact, so that charges between the core wires 2 can be mutually transmitted, and the normal use of the cable is ensured.

In fig. 1 and 4: the outer side wall of the insulating layer 5 is fixedly connected with a wear-resistant protective layer 6, and the wear-resistant protective layer 6 is completely attached to the insulating layer 5; the wear-resistant protective layer 6 is completely attached to the insulating layer 5, so that the wear resistance of the cable can be improved through the wear-resistant protective layer 6, and the service life of the cable is prolonged.

The utility model discloses a theory of operation is: the supporting blocks 31 on the inner wall of the waterproof layer 3 connect the wire sleeve 11 with the waterproof layer 3 together, so that the connection strength between the waterproof layer 3 and the wire sleeve 11 is improved, the waterproof factice filled between two adjacent supporting blocks 31 is filled in the space between the two supporting blocks 31, double-layer waterproofing can be carried out through the waterproof factice and the waterproof layer 3, the waterproof effect is improved, the waterproof performance of the cable is improved, when the cable collides with an object in use, the extrusion force or impact force applied to the cable can be dispersed and decomposed through the contraction and rebound of a plurality of convex blocks 32, the core wire 2 can be protected, the pressure resistance is improved, the condition that the wear-resistant protective layer 6 and the insulating layer 5 on the outermost side of the cable automatically break is reduced, when the cable contacts a sharp object or a small object in use, the object can enter the cavity formed between the two adjacent convex blocks 32, the occurrence of the puncture of the insulating layer 5 can be reduced, the durability of the cable is increased, and the service life of the cable is prolonged.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A marine cable with double-layer waterproof function comprises a lead (1) and a plurality of core wires (2) fixedly arranged in the lead (1), it is characterized in that two adjacent core wires (2) are mutually contacted, the outer side of the lead (1) is fixedly connected with a wire sleeve (11), a waterproof layer (3) is arranged on the outer side of the wire sleeve (11), a plurality of supporting blocks (31) which are distributed in an annular shape are fixedly connected to the inner wall of the waterproof layer (3), the other ends of the supporting blocks (31) are fixedly connected with the wire sleeve (11), waterproof filling (4) is arranged between every two adjacent supporting blocks (31), waterproof filling (4) are the oleamen that blocks water, waterproof layer (3) outer wall fixedly connected with a plurality of is lug (32) that the annular distributes, waterproof layer (3) outside fixedly connected with insulating layer (5).

2. The marine cable with double waterproof layers according to claim 1, wherein a shielding layer (21) is fixedly connected to the outer side of each of the plurality of core wires (2), and the shielding layers (21) on the outer sides of two adjacent core wires (2) are in contact with each other.

3. The marine cable with double waterproof according to claim 1, wherein the insulating layer (5) completely covers the plurality of protrusions (32), and the inner wall of the insulating layer (5) completely fits the plurality of protrusions (32).

4. The marine cable with double waterproof layers as claimed in claim 1, wherein the support block (31) is made of alkali-free glass fiber.

5. The marine cable with double waterproof layers as claimed in claim 1, wherein the top of the bump (32) is arc-shaped, and the bump (32) is made of rubber.

6. Marine cable with double-layer water tightness according to claim 1, characterized in that the material of the insulating layer (5) is asbestos.

7. The marine cable with double-layer water proofing according to claim 1 is characterized in that a wear-resistant protective layer (6) is fixedly connected to the outer side wall of the insulating layer (5), and the wear-resistant protective layer (6) is completely attached to the insulating layer (5).