CN210984331U

CN210984331U - Underwater special cable

Info

Publication number: CN210984331U
Application number: CN201922217625.4U
Authority: CN
Inventors: 李会超; 李士勇; 耿献涛; 张辉停
Original assignee: Annette Cable Group Co ltd
Current assignee: Annette Cable Group Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-10
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a special cable under water relates to cable technical field under water. The utility model comprises a cable body, which comprises a group of wire cores; a group of wires are fixedly arranged inside the wire core; the cable body further comprises a protective sleeve; the side surface of the protective sleeve is sleeved with a floating pipe; two symmetrically arranged cavities are formed in the floating pipe; a supporting seat is fixedly arranged in the protective sleeve; four containing cavities are formed on the peripheral side surface of the supporting seat; the supporting seat comprises a conductive ring; the peripheral side of the conductive ring is fixedly connected with four limit blocks. The utility model discloses contrast traditional buoyancy formula cable under water, the fixed structure that becomes traditional flotation pontoon is rotatable formula structure to effectively strengthen the self-balancing nature of this cable in the water, through the design of protective layer, conducting ring, then effectively strengthen electromagnetic shield ability, stretching resistance, torsion resistance, the anticreep ability of this cable.

Description

Underwater special cable

Technical Field

The utility model belongs to the technical field of the cable under water, especially relate to a special cable under water.

Background

With the continuous and rapid growth of economy in China, a huge market prospect is provided for the development of the cable industry; along with the continuous expansion of the industries such as electric power, communication, rail transit, automobiles, shipbuilding and the like, the demand of wires and cables is also rapidly increased, and the wire and cable industry has huge development potential in future, especially the ocean energy exploitation technology which is vigorously developed in recent years needs to use a large amount of waterproof cables.

In the prior art, various types of cables such as an anti-interference cable for underwater transmission disclosed in the patent document with the application number CN201420860454.1 and a buoyancy cable for underwater robots disclosed in the patent document with the application number CN201821273843.9 have appeared, but the self-balancing capability, torsion resistance and tensile resistance of the existing underwater cables still need to be enhanced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special cable under water, through the design of protective layer, floating pipe, solved current special cable comprehensive properties under water and remained the modified problem.

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

the utility model relates to an underwater special cable, which comprises a cable body, wherein the cable body comprises a group of wire cores; a group of wires are fixedly arranged in the wire core; the cable body further comprises a protective sleeve; the side surface of the protective sleeve is sleeved with a floating pipe; two symmetrically arranged cavities are formed in the floating pipe; a supporting seat is fixedly arranged in the protective sleeve; four accommodating cavities are formed in the peripheral side face of the supporting seat; the support seat comprises a conductive ring; the peripheral side surface of the conductive ring is fixedly connected with four limiting blocks; one ends of the four limiting blocks are fixedly connected with arc-shaped rubber blocks; a conductive arc plate is fixedly connected between every two limiting blocks; one ends of the four conductive arc plates are fixedly connected with the conductive ring; one ends of the four conductive arc plates respectively extend to the outside of the four accommodating cavities; one surface of each of the four accommodating cavities is movably connected with a wire core through a conductive arc plate;

an anti-twisting steel rope is fixedly arranged in the conducting ring; an inner water blocking layer is filled between the opposite surfaces of the protective sleeve and the supporting seat; the protective jacket comprises an outer armor layer; an outer water-resisting layer is fixedly arranged on the inner wall of the outer armor layer; the inner armor layer is fixedly connected to the inner wall of the outer water-resistant layer; a shielding layer is fixedly arranged on the inner wall of the inner armor layer; the inner wall of the shielding layer is connected with the inner water blocking layer.

Furthermore, the two cavities are symmetrically distributed by taking the plane of the central line of the floating pipe as an axis; the limiting blocks are distributed on the circumferential side surface of the conducting ring in a circumferential array mode.

Furthermore, the inner parts of the outer water resisting layer and the inner water resisting layer are fixedly filled with non-vulcanized rubber soft rubber strips.

Furthermore, the outer armor layer and the inner armor layer sequentially comprise an inner steel belt layer, an insulating layer, an outer steel belt layer and a PE foaming layer from inside to inside.

Furthermore, the floating pipe is made of PE foaming materials.

The utility model discloses following beneficial effect has:

the utility model discloses contrast traditional buoyancy formula underwater cable, the fixed structure that becomes traditional flotation pontoon is rotatable formula structure, thereby effectively strengthen the self-balancing nature of this cable in the water, through the protective layer, the design of conducting ring, then effectively strengthen the electromagnetic shield ability of this cable, the stretching resistance, twisting resistance, anticreep ability, then effectively strengthen the comprehensive properties of this cable, and through the design of water-blocking layer, make this cable when taking place the breakage, can meet water automatic expansion, carry out automatic shutoff to the leak source, in order to reach "with water stagnant water" purpose.

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 structural diagram of an underwater special cable;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural diagram of a wire core, a wire, a conductive ring, a limiting block, an arc-shaped rubber block and an accommodating cavity;

FIG. 4 is a schematic cross-sectional view of the protective sheath;

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

1-a cable body, 101-a wire core, 102-a wire, 103-a protective sleeve, 104-a floating pipe, 105-a cavity, 106-a supporting seat, 107-a containing cavity, 108-a conductive ring, 109-a limiting block, 110-an arc rubber block, 111-a conductive arc plate, 112-a torsion-proof steel rope, 113-an inner water-resistant layer, 114-an outer armor layer, 115-an outer water-resistant layer, 116-an inner armor layer and 117-a shielding layer.

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. 1-4, the utility model relates to an underwater special cable, which comprises a cable body 1, wherein the cable body 1 comprises a group of cable cores 101; a group of wires 102 are fixedly installed inside the wire core 101, both the wire core 101 and the wires 102 are existing mechanisms, which are not described herein again, and the cable body 1 further comprises a protective sleeve 103; the side surface of the protective sleeve 103 is sleeved with a floating pipe 104, a gap exists between the floating pipe 104 and the protective sleeve 103, the floating pipe 104 can rotate on the side surface of the protective sleeve 103, and through a rotatable structure, the self-balancing performance of the cable body 1 in a water body is enhanced, two symmetrically arranged cavities 105 are formed in the floating pipe 104, the cavities 105 are arranged to reduce the dead weight of the floating pipe 104 on one hand and ensure that the floating pipe 104 has enough volume and sufficient buoyancy on the other hand, during production, the buoyancy of the floating pipe 104 is equal to the gravity of the cable body 1, zero gravity of the cable body 1 can be ensured when the water body is in use, and a supporting seat 106 is fixedly arranged in the protective sleeve 103; four accommodating cavities 107 are formed on the peripheral side surface of the supporting seat 106;

the supporting seat 106 comprises a conducting ring 108, the conducting ring 108 is made of iron, four limiting blocks 109 are fixedly connected to the peripheral side face of the conducting ring 108, the limiting blocks 109 are preferably made of engineering plastics and can also be made of wood and other replaceable materials, the arc-shaped rubber blocks 110 are fixedly connected to one ends of the four limiting blocks 109, the arc-shaped rubber blocks 110 are made of non-vulcanized rubber, the arc-shaped rubber blocks 110 are arranged to enhance the pressure resistance of the cable, a conducting arc plate 111 is fixedly connected between every two limiting blocks 109, the conducting arc plate 111 is made of elastic iron sheets, the front portion of the conducting arc plate 111 is of an arc-shaped structure, the arc shape of the conducting arc plate is the same as that of the cable core 101, the conducting arc plate 111 can be further guaranteed to limit and clamp the cable core; one ends of the four conductive arc plates 111 extend to the outside of the four accommodating cavities 107 respectively; one surface of each of the four accommodating cavities 107 is movably connected with a wire core 101 through a conductive arc plate 111;

an anti-twisting steel rope 112 is fixedly installed inside the conductive ring 108, the anti-twisting steel rope 112 is formed by winding a plurality of steel ropes, and an inner water blocking layer 113 is filled between the opposite surfaces of the protective sleeve 103 and the support seat 106; protective sleeve 103 includes an outer armor layer 114; an outer water-resisting layer 115 is fixedly arranged on the inner wall of the outer armor layer 114; the inner wall of the outer water-resistant layer 115 is fixedly connected with an inner armor layer 116; the inner armor layer 116 is fixedly provided with a shielding layer 117 on the inner wall thereof, the shielding layer 117 is used for electromagnetic shielding, the shielding layer 117 may be a metallic mesh braid made of red copper or tin-plated copper, and the inner wall of the shielding layer 117 is connected with the inner water blocking layer 113.

Wherein, the two cavities 105 are symmetrically distributed by taking the plane of the central line of the floating pipe 104 as an axis; four stopper 109 are at the circumference side of conducting ring 108 and personally submit the circumference array and distribute, and outer

water blocking layer

115 and 113 inside all fixed fillings of interior water blocking layer have the soft adhesive tape of non-vulcanized rubber, and the automatic inflation of non-vulcanized rubber soft adhesive tape meets water makes this cable when the breakage then, can meet water automatic inflation, plays certain shutoff and stagnant water performance then.

The outer armor layer 114 and the inner armor layer 116 sequentially comprise an inner steel belt layer, an insulating layer, an outer steel belt layer and a PE foaming layer from inside to inside, the inner steel belt layer and the outer steel belt layer are used for enhancing the structural strength of the cable, and the PE foaming layer is used for enhancing the floating capacity of the cable.

The floating pipe 104 is made of PE foam, which is beneficial to reducing the self weight of the floating pipe 104 and enhancing the floating capacity.

One specific application of this embodiment is: the cable is mainly suitable for underwater environment, compared with the traditional cable, the cable changes the fixed structure of the traditional floating pipe 104 into a rotatable structure, through the rotatable structure, the self-balance of the floating pipe 104 in the water body is enhanced, through the multilayer structure design of the protective sleeve 103, the structural strength of the cable body 1 can be enhanced, through the design of the shielding layer 117, the electromagnetic shielding capability of the cable body 1 can be enhanced, through the material design of the inner water-resistant layer 113 and the outer water-resistant layer 115, the cable can automatically expand when being damaged when meeting water, further, the leakage point can be automatically blocked, through the design of the anti-twisting steel rope 112, the anti-twisting performance of the cable can be enhanced, through the design of the conductive ring 108 and the conductive arc plate 111, the electric power leakage to the water body when the core 101 is damaged can be effectively avoided, through the design of the limiting block 109 and the arc-shaped rubber block 110, the resistance to pressure of the cable can be improved.

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. An underwater special cable comprises a cable body (1), wherein the cable body (1) comprises a group of wire cores (101); a group of conducting wires (102) are fixedly arranged in the wire core (101); cable body (1) still includes protective sheath (103), its characterized in that:

a floating pipe (104) is sleeved on the peripheral side surface of the protective sleeve (103); two symmetrically arranged cavities (105) are formed in the floating pipe (104); a support seat (106) is fixedly arranged in the protective sleeve (103); four accommodating cavities (107) are formed in the peripheral side surface of the supporting seat (106);

the support pedestal (106) comprises a conductive ring (108); four limiting blocks (109) are fixedly connected to the peripheral side surface of the conducting ring (108); one ends of the four limiting blocks (109) are fixedly connected with arc-shaped rubber blocks (110); a conductive arc plate (111) is fixedly connected between every two limiting blocks (109); one ends of the four conductive arc plates (111) are fixedly connected with the conductive ring (108); one ends of the four conductive arc plates (111) respectively extend to the outside of the four accommodating cavities (107); one surface of each of the four accommodating cavities (107) is movably connected with a wire core (101) through a conductive arc plate (111);

an anti-twisting steel rope (112) is fixedly arranged in the conducting ring (108); an inner water blocking layer (113) is filled between the opposite surfaces of the protective sleeve (103) and the supporting seat (106); the protective sheath (103) comprises an outer armor layer (114); an outer water-resistant layer (115) is fixedly arranged on the inner wall of the outer armor layer (114); the inner wall of the outer water-resistant layer (115) is fixedly connected with an inner armor layer (116); a shielding layer (117) is fixedly arranged on the inner wall of the inner armor layer (116); the inner wall of the shielding layer (117) is connected with the inner water blocking layer (113).

2. An underwater special cable as claimed in claim 1, wherein the two cavities (105) are symmetrically distributed by taking a plane on which a center line of the floating pipe (104) is located as an axis; the limiting blocks (109) are distributed on the circumferential side surface of the conducting ring (108) in a circumferential array.

3. An underwater special cable as claimed in claim 1, wherein the inner parts of the outer water-resistant layer (115) and the inner water-resistant layer (113) are fixedly filled with non-vulcanized rubber soft rubber strips.

4. An underwater specialty cable as claimed in claim 1 wherein said outer armor layer (114) and inner armor layer (116) each comprise, in order from inside to inside, an inner steel tape layer, an insulation layer, an outer steel tape layer and a PE foam layer.

5. An underwater specialty cable as claimed in claim 1, wherein said float tube (104) is PE foam.