Shielded underwater cable

Abstract

The utility model discloses a shielding type underwater cable in the technical field of cables, which comprises a cable body, a plurality of fixing assemblies are uniformly arranged on the outer wall of the cable body, the cable body comprises a pressure-resistant protective layer, the outer wall of the pressure-resistant protective layer is coated with a corrosion-resistant coating, and the inner wall of the pressure-resistant protective layer is provided with a protective filling layer. Through the arrangement of the compression-resistant protection layer and the strength supporting columns uniformly arranged between the compression-resistant protection layer and the protection filling layer, the overall compression-resistant performance of the cable is remarkably enhanced, and the cable can better cope with the challenge of an underwater high-water-pressure environment. And the outer wall of the compression-resistant protection layer is coated with the corrosion-resistant coating, so that direct contact between the cable and underwater corrosive substances is effectively isolated, and the service life of the cable is prolonged. And the flexible gap filling layer is filled between the compression-resistant protection layer and the protection filling layer, and the cable core is subjected to multi-layer protection through the shielding layer and the insulation protection sleeve, so that the stability and the safety in the cable are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a shielding underwater cable. BACKGROUND

[0002] As a kind of electric energy or signal transmission device, cable plays a vital role in various projects and daily life. Especially in underwater environment, cable not only needs to have the conventional electric energy or signal transmission function, but also must be able to withstand the test of complex underwater environment, such as high water pressure, corrosion, biological erosion and water scouring. Although traditional underwater cable can meet the basic needs to some extent, in the long-term use process, it often appears performance decline, structure damage and other problems due to the continuous influence of external environment, which seriously affects the stability and reliability of underwater power or signal transmission.

[0003] In order to solve the above problems, the industry has been exploring and developing new underwater cable structure. The utility model is put forward in this background, which is a shielding underwater cable, aiming at improving its stability and durability in complex underwater environment by optimizing the internal structure and external fixing mode of cable. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a shielding underwater cable to solve the problems proposed in the above background.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a shielding underwater cable, comprising a cable body, the outer wall of the cable body is uniformly provided with a plurality of fixed components, the cable body comprises a compression-resistant protective layer, the outer wall of the compression-resistant protective layer is coated with a corrosion-resistant coating, the inner wall of the compression-resistant protective layer is provided with a protective filling layer, a plurality of strength support columns are uniformly arranged between the compression-resistant protective layer and the protective filling layer, the compression-resistant protective layer and the protective filling layer are filled with a flexible gap filling layer, the inner wall of the protective filling layer is fixedly connected with a shielding layer, the inner wall of the shielding layer is fixedly connected with an insulating protective sleeve, and the inner wall of the insulating protective sleeve is fixedly connected with a cable core.

[0006] As a further scheme of the utility model: a plurality of the strength support columns are made of memory metal, and a plurality of the strength support columns are wound in the same direction.

[0007] As a further scheme of the utility model: the fixed component comprises a bottom end fixing frame, and the top of both ends of the bottom end fixing frame is fixedly connected with a top end flexible ring.

[0008] As a further scheme of the utility model: two top flexible rings and bottom fixed frame's center position common through opening has inner fixed cavity, inner fixed cavity's inner diameter size and cable body's outer diameter size match.

[0009] As a further scheme of the utility model: two top flexible rings and bottom fixed frame's center position common through opening has inner fixed cavity, inner fixed cavity's inner diameter size and cable body's outer diameter size match.

[0010] As a further scheme of the utility model: the bottom fixed frame's bottom fixed connection has bottom plate, bottom plate's bottom even fixed connection has a plurality of ground nails.

[0011] Compared with the prior art, the utility model has the advantages that: in the utility model, by setting the compression-resistant protective layer, and the strength support column evenly arranged between the layer and the protective filling layer, the overall compression resistance of the cable is significantly enhanced, so that it can better cope with the challenge of underwater high water pressure environment. Coating a corrosion-resistant coating on the outer wall of the compression-resistant protective layer effectively isolates the direct contact of the cable with underwater corrosive substances, prolonging the service life of the cable. Filling the flexible gap filling layer between the compression-resistant protective layer and the protective filling layer, and protecting the cable core by the shielding layer and the insulating protective sleeve in multiple layers improves the stability and safety of the cable inside. Through the design of the fixing assembly, the cable is conveniently fixed and installed underwater, while the firmness and stability of the fixing are ensured, and the risk of cable falling off due to water flow erosion is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view structural schematic diagram of a shielding type underwater cable of the utility model;

[0013] Figure 2 It is a shielding type underwater cable of the utility model Figure 1 It is a structure enlarged schematic diagram of A in the utility model;

[0014] Figure 3 It is a shielding type underwater cable of the utility model Figure 1 It is a structure enlarged schematic diagram of B in the utility model;

[0015] Figure 4 It is a structure enlarged schematic diagram of the fixing assembly in the shielding type underwater cable of the utility model.

[0016] In the figure: 1, cable body; 11, pressure-resistant protective layer; 12, corrosion-resistant coating; 13, strength support column; 14, flexible gap filling layer; 15, protective filling layer; 16, shielding layer; 17, insulating protective sleeve; 18, cable core; 2, fixing assembly; 21, bottom end fixing frame; 22, top end flexible ring; 23, inner fixing cavity; 24, connecting block; 25, connecting bolt; 26, bottom plate; 27, ground nail. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0018] The terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a class, not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in an "or" relationship.

[0019] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0020] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, set, or detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Please refer to Figures 1 to 4The utility model discloses an underwater cable of shielding type, including cable body 1, the outer wall of cable body 1 is uniformly provided with a plurality of fixed components 2. Cable body 1 specifically includes a compression protection layer 11, the outer wall of this layer is coated with corrosion -resistant coating 12. The inner wall of compression protection layer 11 is provided with protective filling layer 15, and a plurality of strength support columns 13 made of memory metal are uniformly arranged between the two, the strength support column 13 is wound in the same direction to enhance the compression resistance of cable. In addition, flexible gap filling layer 14 is filled between compression protection layer 11 and protective filling layer 15 to further improve the stability and security inside the cable.

[0022] The inner wall of protective filling layer 15 is fixedly connected with shielding layer 16, the inner wall of shielding layer 16 is further fixedly connected with insulating protective sleeve 17, and the inner wall of insulating protective sleeve 17 is fixedly connected with cable core 18. The multilayer protection structure ensures the safety and stable transmission of cable core 18.

[0023] Fixed component 2 includes a bottom end fixed frame 21, and the top of the two ends of bottom end fixed frame 21 is fixedly connected with top end flexible ring 22. The center position of two top end flexible rings 22 and bottom end fixed frame 21 is commonly provided with inner fixed cavity 23, and the inner diameter size of inner fixed cavity 23 matches the outer diameter size of cable body 1, so that cable body 1 is fixed in inner fixed cavity 23. In addition, the top of one end of two top end flexible rings 22 is fixedly connected with connecting block 24, and the side wall of two connecting blocks 24 is fixedly connected with connecting bolt 25, so as to realize the fastening of fixed component 2. The bottom of bottom end fixed frame 21 is further fixedly connected with bottom plate 26, and the bottom of bottom plate 26 is uniformly fixedly connected with a plurality of ground nails 27, so as to fixedly fix fixed component 2 on the ground or riverbed under water.

[0024] Among them, compression protection layer 11 is made of corrosion -resistant compression metal or corrosion -resistant compression hard plastic, plastic material, at the same time, strength support column 13 is memory metal column, when cable is impacted by aquatic organism under water, can have certain recovery, flexible gap filling layer 14 is made of diatom ooze, rubber and other flexible materials, protective filling layer 15 is made of insulating material, shielding layer 16 is made of rubber material, and insulating protective sleeve 17 is made of insulating rubber material.

[0025] The working principle of the utility model is: the underwater cable of shielding type of the utility model is responsible for transmitting electric energy or signal when working. Because the cable is provided with compression protection layer 11 and corrosion -resistant coating 12 outside and multilayer protection structure such as the inside strength support column 13 and flexible gap filling layer 14, the cable can well cope with the challenge of complex underwater environment. At the same time, through the design of fixed component 2, the convenient fixing and installation of cable under water are realized, and the stability and security of cable in the transmission process are guaranteed.

[0026] In the specific use process, the cable with appropriate length can be selected according to the need, and fixed to the appropriate position under water through the fixing assembly 2. Then, the two ends of the cable are connected to the corresponding power equipment or signal transmission equipment respectively, so that the stable transmission of electric energy or signal can be realized.

[0027] It should be noted that in this document, the terms "comprise", "comprising", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element. In addition, it should be noted that the scope of the methods and apparatus of the present embodiments is not limited to performing the functions in the order recited or discussed, but can include performing the functions in other orders, or substantially simultaneously, or in reverse order, such as described, and can also add, omit, or combine various steps. In addition, features described with reference to certain examples can be combined in other examples.

[0028] The embodiments of the present application are described above in conjunction with the drawings, but the present application is not limited to the specific embodiments described above, which are only illustrative and not restrictive, and those of ordinary skill in the art can make many forms under the inspiration of the present application without departing from the purpose of the present application and the scope protected by the claims, which are all within the protection of the present application.

Claims

1. A shielded underwater cable, comprising a cable body (1), wherein a plurality of fixing components (2) are uniformly arranged on the outer wall of the cable body (1), characterized in that: The cable body (1) includes a pressure-resistant protective layer (11), the outer wall of the pressure-resistant protective layer (11) is coated with a corrosion-resistant coating (12), the inner wall of the pressure-resistant protective layer (11) is provided with a protective filling layer (15), a plurality of strength support columns (13) are uniformly arranged between the pressure-resistant protective layer (11) and the protective filling layer (15), a flexible gap filling layer (14) is filled between the pressure-resistant protective layer (11) and the protective filling layer (15), a shielding layer (16) is fixedly connected to the inner wall of the protective filling layer (15), an insulating protective sleeve (17) is fixedly connected to the inner wall of the shielding layer (16), and a cable core (18) is fixedly connected to the inner wall of the insulating protective sleeve (17).

2. The shielded underwater cable according to claim 1, characterized in that: The multiple strength support columns (13) are all made of shape memory metal, and the multiple strength support columns (13) are wound in the same direction.

3. A shielded underwater cable according to claim 1, characterized in that: The fixing component (2) includes a bottom fixing frame (21), and the top of both ends of the bottom fixing frame (21) are fixedly connected with top flexible rings (22).

4. A shielded underwater cable according to claim 3, characterized in that: The two top flexible rings (22) and the bottom fixing bracket (21) are connected by an inner fixing cavity (23), the inner diameter of which matches the outer diameter of the cable body (1).

5. A shielded underwater cable according to claim 4, characterized in that: The top of each of the two flexible rings (22) is fixedly connected to a connecting block (24) at one end, and the sidewalls of the two connecting blocks (24) are fixedly connected to a connecting bolt (25) through them.

6. A shielded underwater cable according to claim 4, characterized in that: The bottom of the bottom fixing frame (21) is fixedly connected to a base plate (26), and a plurality of ground nails (27) are evenly fixedly connected to the bottom of the base plate (26).

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