CN210777959U

CN210777959U - Corrosion-resistant marine cable

Info

Publication number: CN210777959U
Application number: CN201922144994.5U
Authority: CN
Inventors: 徐延华; 李书银
Original assignee: Jinhu Botong Technology Co ltd
Current assignee: Jinhu Botong Technology Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-06-16
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to the technical field of cables, and discloses a corrosion-resistant marine cable, which comprises a protective sleeve, wherein the protective sleeve is a pipe with a circular cross section, the protective sleeve is made of high-strength toughness material, a waterproof layer is arranged inside the protective sleeve, the protective sleeve is provided with a sliding ball which can slide on the outer cylinder of a small cylinder, when the cable is externally pressed to bend the cable, the outer wall of the protective sleeve is pressed by external pressure, the protective sleeve presses the outer wall of an inner annular sleeve, the inner wall of the protective sleeve presses the outer wall of the sliding ball at the moment, the sliding ball is pressed by the inner pressure of the protective sleeve, the waterproof layer is driven by the sliding ball to rotate inside the protective sleeve, the outer wall of the waterproof layer is always kept parallel to the inner wall of the protective sleeve by the sliding ball and the annular sleeve, and the outer wall of the cable is prevented from being wound and bent with other inner protective layers to cause, the function of protecting the cable is achieved.

Description

Corrosion-resistant marine cable

Technical Field

The invention relates to the technical field of cables, in particular to a corrosion-resistant marine cable.

Background

The marine cable is a power cable for power, lighting, control and communication transmission of various ships in river and sea and offshore or offshore buildings, and comprises a marine power cable, a marine control cable, a marine communication cable and the like, and the laying space of the marine cable is limited, so that the armor structure adopts a metal wire weaving mode, which is the biggest difference from the land common power, control and communication cables in structure.

The marine cable is because the work annular influence that self was located, marine equipment of marine cable junction often moves along with equipment transport, marine cable is when using, because the transport often takes place to bend marine cable, the winding condition takes place, some cable epidermis are easy broken under the huge pressure of sea water, cause the cracked condition of other protective layers in the cable inside even to send, and then can expose in the sea water environment to the cable conductor, the condition emergence of corroding leads to producing the cable, corrosion resistant cable on the existing market leads to the inside compressive capacity of marine cable to reduce greatly because inside overfilling multilayer anticorrosion structure, propose a new marine corrosion resistant cable for this reason.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a corrosion-resistant marine cable which has the advantages of corrosion resistance, higher pressure resistance and the like, and solves the problem of breakage of a corrosion-resistant surface of the cable caused by bending and winding of the cable.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a corrosion-resistant marine cable, includes the protective sheath, the protective sheath is circular for the cross section, the material of protective sheath is high strength toughness material, the inside of protective sheath is provided with the waterproof layer, the waterproof layer is the circular shape pipe for the cross section, the waterproof layer is the waterproof pipe of high density material, when the protective sheath accident breaks, be provided with two annular cover, two between protective sheath and the waterproof layer the annular cover is circular shape ring, and two the big or small shape of annular cover is the same, controls mutual correspondence, two the annular cover all cup joints on the outer wall of the outer cylinder of waterproof layer, be provided with four sliding balls, four between protective sheath and the waterproof layer the sliding ball is located quartering position department on the outer cylinder of waterproof layer.

Preferably, the sliding ball is located between the two annular sleeves, through holes are formed in the outer wall surfaces of the sliding ball, the outer wall surface through holes of the sliding ball correspond to the wall surfaces of the annular sleeves on the two sides, European-four small cylinders are arranged between the protective sleeve and the waterproof layer, and the small cylinders are of cylindrical structures.

Preferably, the small cylinders correspond to the sliding balls one to one, the small cylinders penetrate through holes of the sliding balls to movably link the sliding balls to the adjacent wall surfaces of the two annular sleeves, the sliding balls can rotatably slide on the inner wall of the protective sleeve, and a woven anticorrosive layer is arranged inside the waterproof layer.

Preferably, four groups of pressurizing blocks are arranged between the waterproof layer and the woven anticorrosive layer, the pressurizing blocks are semicircular elastic blocks, and the circular surfaces of each group of pressurizing blocks are symmetrical to each other.

Preferably, four groups of pressurizing blocks are equally woven on the outer cylinder of the anticorrosive coating, the arc-shaped surface of each group of pressurizing blocks is respectively and fixedly connected to the outer wall surface of the corresponding woven anticorrosive coating and the inner wall surface of the waterproof layer, each group of adjacent circular surfaces of the pressurizing blocks is provided with a groove, each groove is a rectangular groove, an air bag ball is arranged between every two grooves and is a circular air bag ball, and the air bag balls are all clamped in the grooves of the two grooves.

Preferably, the inside of weaving the anticorrosive coating is provided with four insulating layers, four the insulating layer is the same circular pipe of size, has also played simultaneously and has prevented that sea water infiltration from corroding the inside cable of weaving the anticorrosive coating, it is provided with the filling layer to weave between anticorrosive coating and the insulating layer, a large amount of glass fiber of inside packing of filling layer, the inside of insulating layer all is provided with the metallic shield layer, be provided with the elastic particle between metallic shield layer and the insulating layer, the elastic particle is circular elastic particle ball, the material that the elastic particle is makes for phase change material, the inside of metallic shield layer is provided with metallic conductor.

(III) advantageous effects

Compared with the prior art, the invention provides a corrosion-resistant marine cable, which has the following beneficial effects:

1. the corrosion-resistant marine cable is characterized in that a through hole is formed in the outer wall surface of a sliding ball, a small cylinder penetrates through the through hole of the sliding ball to fixedly connect the small cylinder to the wall surfaces of two adjacent waterproof layers, the sliding ball can slide on the outer cylinder of the small cylinder, when the cable is bent by external pressure outside the cable, the protective sleeve presses the outer wall surface of an inner annular sleeve after the external pressure presses the outer wall surface of the protective sleeve, the inner wall surface of the protective sleeve presses the outer wall surface of the sliding ball, the sliding ball is pressed by the inner pressure of the protective sleeve, the waterproof layer is driven by the sliding ball to rotate inside the protective sleeve, the annular sleeve is supported between the protective sleeve and the waterproof layer, the outer wall surface of the waterproof layer and the inner wall surface of the protective sleeve are always kept relatively parallel and not in contact with each other protective layers inside the sliding ball and the annular sleeve, and the, even the internal fracture occurs, which plays a role in protecting the cable.

2. This corrosion-resistant marine cable, through being provided with the pressurization piece, receive the outside in the twinkling of an eye when extrudeing to the cable inside when the cable receives, outside extrusion force is from waterproof layer outer wall towards the waterproof layer inside when weaving the outer cylinder extrusion of anticorrosive coating, every group pressurization piece is all gone to the gasbag ball extrusion in the middle of this, the gasbag ball receives the extrusion and takes place deformation, along with every group pressurization piece constantly extrudees towards the gasbag ball, the adjacent face of every group pressurization piece contacts the back, the gasbag ball stops deformation, this section time outside impact force is weakened by the gasbag ball gradually, after outside violent impact disappears, the gasbag ball resumes deformation and produces the exogenic power to the inside face direction of waterproof layer, the gasbag ball plays the buffering, the effect of resistance to compression cable.

3. This corrosion-resistant marine cable through being provided with elastic particle, spherical elastic particle for when the cable outside received the impact force, a large amount of elastic particle takes place deformation simultaneously, and the impact force that comes from the cable outside this moment is weakened by the elastic particle secondary, has played the effect of secondary protection cable resistance to compression.

4. This corrosion-resistant marine cable takes place to make after the deformation through the elastic particle and slides rotatoryly in the elastic particle inside with the metallic shield layer of elastic particle contact, and the metallic shield layer is rotatory to have further weakened the outside pressure to the cable is inside, and elastic particle atress extrusion has increased the area of contact with the metallic shield layer simultaneously, and area of contact increases, to the increase of the inside heat absorption area of metallic shield layer, has played with higher speed to the inside radiating effect of cable.

Drawings

FIG. 1 is a cross-sectional view of a marine cable according to the present invention;

FIG. 2 is a partially disassembled view of the sliding ball of the present invention;

FIG. 3 is an enlarged view taken at A in FIG. 1;

fig. 4 is an enlarged view of fig. 1 at B.

In the figure: the air bag comprises a protective sleeve 1, an annular sleeve 2, a small cylinder 3, a sliding ball 4, a waterproof layer 5, a woven anticorrosive layer 6, a filling layer 7, an insulating layer 8, elastic particles 9, a metal shielding layer 10, a metal conductor 11, a pressurizing block 12, a groove 13 and an air bag ball 14.

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.

Referring to fig. 1-4, a corrosion-resistant marine cable comprises a protective sleeve 1, wherein the protective sleeve 1 has a circular cross section, the protective sleeve 1 is made of a high-strength and high-toughness material, a waterproof layer 5 is arranged inside the protective sleeve 1, the waterproof layer 5 is a pipe with a circular cross section, the waterproof layer 5 is a high-density waterproof pipe, when the protective sleeve 1 is accidentally broken, the waterproof layer 5 can play a role of secondary sealing protection, isolate water outside the waterproof layer 5 and prevent water from permeating into the cable, two annular sleeves 2 are arranged between the protective sleeve 1 and the waterproof layer 5, the two annular sleeves 2 are circular rings, the two annular sleeves 2 have the same size and shape and correspond to each other from left to right, the two annular sleeves 2 are both sleeved on the outer cylindrical wall surface of the waterproof layer 5, and four sliding balls 4 are arranged between the protective sleeve 1 and the waterproof layer 5, four sliding ball 4 is the ball structure, four sliding ball 4 is located quartering position department on waterproof layer 5's the outer cylinder, sliding ball 4 all is located between two annular cover 2, the through-hole has all been seted up to the equal outer wall of sliding ball 4, sliding ball 4's outer wall through-hole all corresponds the wall of both sides annular cover 2, set up four european canalis urinaria cylindrica 3 between protective sheath 1 and the waterproof layer 5, little cylinder 3 is the cylinder structure, little cylinder 3 and sliding ball 4 equal one-to-one, just little cylinder 3 all passes sliding ball 4's through-hole and connects sliding ball 4 swing joint on two annular cover 2 adjacent walls, sliding ball 4 all can be on protective sheath 1's the inner wall rotational sliding.

The interior of the waterproof layer 5 is provided with a woven anticorrosive layer 6, the woven anticorrosive layer 6 is made of polyolefin material, the polyolefin material has high strength and corrosion resistance, four groups of pressurizing blocks 12 are arranged between the waterproof layer 5 and the woven anticorrosive layer 6, the pressurizing blocks 12 are semicircular elastic blocks, the circular surfaces of each group of pressurizing blocks 12 are mutually symmetrical, the four groups of pressurizing blocks 12 are equally divided on the outer cylinder of the woven anticorrosive layer 6, the arc-shaped surface of each group of pressurizing blocks 12 is respectively and fixedly connected on the outer wall surface of the corresponding woven anticorrosive layer 6 and the inner wall surface of the waterproof layer 5, each group of adjacent circular surfaces of the pressurizing block 12 is provided with a groove 13, the grooves 13 are rectangular grooves, an air bag ball 14 is arranged between the two grooves 13, the air bag ball 14 is a circular air bag ball, and the air bag ball 14 is clamped in the grooves of the two grooves 13.

The anti-corrosion braided layer 6 is internally provided with four insulating layers 8, the four insulating layers 8 are round pipes with the same size, each insulating layer 8 is an elastic insulating material pipe, each insulating layer 8 prevents seawater from accidentally leaking to the outer wall surface of the anti-corrosion braided layer 6, the seawater infiltration is isolated for three times, a cable in the anti-corrosion braided layer 6 is prevented from being corroded by seawater, a filling layer 7 is arranged between the anti-corrosion braided layer 6 and each insulating layer 8, a large number of glass fibers are filled in the filling layer 7, the number of the glass fibers in the filling layer 7 is set according to the size of the inside of the filling layer, no gap is formed between the insulating layers 8 in the filling layer due to the glass fibers, the insulating layers 8 are more compact due to the glass fibers, the glass fibers in the filling layer 7 also have good anti-corrosion performance, and metal shielding layers 10 are arranged in the insulating layers 8, metal shielding layer 10 does not do the repetition here for current structure, be provided with elastic particle 9 between metal shielding layer 10 and the insulating layer 8, elastic particle 9 is circular elastic particle ball, the material that elastic particle 9 is made for phase change material, the inside of metal shielding layer 10 is provided with metal conductor 11, metal conductor 11 is the circular wire of copper material, and metal shielding layer 10 prevents the inside electromagnetic interference who produces each other of metal conductor 11.

The working principle is as follows:

when the waterproof cable is used, the through hole is formed in the outer wall surface of the sliding ball 4, the small cylinder 3 penetrates through the through hole of the sliding ball 4 to fixedly connect the small cylinder 3 to the wall surfaces of two adjacent waterproof layers 5, the sliding ball 4 can slide on the outer cylinder of the small cylinder 3, when the cable is bent by external pressure outside the cable, the protective sleeve 1 extrudes the outer wall surface of the inner annular sleeve 2 by external pressure, the inner wall surface of the protective sleeve 1 extrudes the outer wall surface of the sliding ball 4 at the moment, the sliding ball 4 is subjected to extrusion force inside the protective sleeve 1, the sliding ball 4 drives the waterproof layers 5 to rotate inside the protective sleeve 1, the annular sleeve 2 is supported between the protective sleeve 1 and the waterproof layers 5, the sliding ball 4 and the annular sleeve 2 enable the outer wall surface of the waterproof layer 5 to be kept relatively parallel and not in contact with the inner wall surface of the protective sleeve 1, and the outer wall surface of the cable is prevented from being wound and bent to, even the internal fracture occurs, which plays a role in protecting the cable.

Through being provided with the briquetting 12, when the cable received the outside in the twinkling of an eye when extrudeing to the cable inside, outside extrusion force from waterproof layer 5 outer wall towards the waterproof layer 5 inside when weaving anticorrosive coating 6's outer cylinder extrusion, every group adds briquetting 12 and all goes to gasbag ball 14 extrusion in the middle of this, gasbag ball 14 receives the extrusion and takes place deformation, along with every group adds briquetting 12 and constantly extrudes towards gasbag ball 14, after every group adds the adjacent face of briquetting 12 and contacts, gasbag ball 14 stops deformation, this section time outside impact force is weakened by gasbag ball 14 gradually, after outside violent impact disappears, gasbag ball 14 resumes deformation and produces the outside power of pushing out to waterproof layer 5's interior face direction, gasbag ball 14 plays the effect of buffering, resistance to compression.

Through being provided with elastic particle 9, spherical elastic particle, when making the cable outside receive the impact force, a large amount of elastic particle 9 take place deformation simultaneously, the impact force that comes from the cable outside this moment is weakened by elastic particle 9 secondary, elastic particle 9 takes place to make after the deformation and slides rotatoryly in elastic particle 9 inside metal shield layer 10 with the contact of elastic particle 9, metal shield layer 10 is rotatory to have further weakened outside to the inside pressure of cable, elastic particle 9 atress extrusion has increased the area of contact with metal shield layer 10 simultaneously, the area of contact increases, to the inside heat absorption area increase of metal shield layer 10, play with higher speed to the inside radiating effect of cable.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A corrosion-resistant marine cable, includes protective sheath (1), its characterized in that: the cross section of the protective sleeve (1) is circular, a waterproof layer (5) is arranged inside the protective sleeve (1), two annular sleeves (2) are arranged between the protective sleeve (1) and the waterproof layer (5), four sliding balls (4) are arranged between the protective sleeve (1) and the waterproof layer (5), the four sliding balls (4) are located at quartering positions on the outer cylinder of the waterproof layer (5), a woven anticorrosive layer (6) is arranged inside the waterproof layer (5), four pressurizing blocks (12) are arranged between the waterproof layer (5) and the woven anticorrosive layer (6), the circular surfaces of each pressurizing block (12) are mutually symmetrical, the four pressurizing blocks (12) are equally distributed on the outer cylinder of the woven anticorrosive layer (6), the arc-shaped surfaces of each pressurizing block (12) are fixedly connected to the outer wall surface of the corresponding woven anticorrosive layer (6) and the inner wall surface of the waterproof layer (5) respectively, add and all set up on briquetting (12) every group adjacent disc fluted (13), two all be provided with air bag ball (14) between recess (13), the inside of weaving anticorrosive coating (6) is provided with four insulating layers (8), be provided with between weaving anticorrosive coating (6) and insulating layer (8) filling layer (7), a large amount of glass fiber of inside packing of filling layer (7), the inside of insulating layer (8) all is provided with metallic shield layer (10), be provided with between metallic shield layer (10) and insulating layer (8) elastic particle (9), the inside of metallic shield layer (10) is provided with metal conductor (11).

2. A corrosion resistant marine cable according to claim 1, wherein: and the two annular sleeves (2) are sleeved on the outer cylindrical wall surface of the waterproof layer (5).

3. A corrosion resistant marine cable according to claim 1, wherein: the through-hole has all been seted up to the equal outer wall of sliding ball (4), the outer wall through-hole of sliding ball (4) all corresponds the wall of both sides annular cover (2), set up four european community or leadership small cylinder (3) between protective sheath (1) and waterproof layer (5), just small cylinder (3) all pass the through-hole of sliding ball (4) with sliding ball (4) swing joint on two annular cover (2) adjacent walls.

4. A corrosion resistant marine cable according to claim 1, wherein: the air bag ball (14) is a circular air bag ball, and the air bag ball (14) is clamped in the grooves of the two grooves (13).

5. A corrosion resistant marine cable according to claim 1, wherein: the elastic particles (9) are round elastic particle balls, and the elastic particles (9) are made of phase-change materials.