Strong-current composite umbilical cable structure in deep water area

Abstract

The utility model relates to the technical field of power cables, in particular to a deep water area strong current composite umbilical cable structure which comprises a main sleeve, elastic limiting sleeves, a main elastic sealing sleeve and an auxiliary elastic sealing sleeve. The axis between the limiting plates is sleeved with a cable through a main sleeving hole, and the portion, located on the periphery of the cable, between the limiting plates is sleeved with an optical cable, a hydraulic power pipe and an agent pipe through auxiliary sleeving holes; the main sleeve is composed of a steel inner pipe, an electromagnetic shielding layer, a reinforcing mesh framework, a concrete wrapping layer and a waterproof layer. The heavy-current composite umbilical cable structure greatly improves the use safety in a deep water area, is convenient to assemble, debug and install on a construction site, is high in construction portability, saves manpower and material resources, and reduces the construction cost.

Description

Technical Field

[0001] The utility model relates to the technical field of power cables, and particularly relates to a strong electricity composite umbilical cable structure for deep water areas. Background Art

[0002] An umbilical cable is a special cable used in the underwater environment of the ocean. It is mainly composed of a cable (power cable or signal cable), an optical cable (single-mode or multi-mode optical cable), and a hydraulic or chemical agent pipe (steel pipe or hose). This cable plays a crucial role in the exploration and development of deep-water oil and gas. It can be regarded as the "umbilical cord" of the underwater production system, providing production elements such as hydraulic power, electrical power supply, communication signals, and chemical agents.

[0003] The existing strong electricity composite umbilical cable structure cannot improve the safety in deep water areas, is not convenient for assembling, debugging, and installing at the construction site, has low construction portability, is time-consuming and laborious, and has a high cost. Content of the Utility Model

[0004] Aiming at the problems in the prior art, the utility model provides a strong electricity composite umbilical cable structure for deep water areas. The strong electricity composite umbilical cable structure greatly improves the safety in deep water areas, is convenient for assembling, debugging, and installing at the construction site, has high construction portability, saves manpower and material resources, and reduces the project cost.

[0005] The technical solution adopted by the utility model to solve its technical problems is a strong electricity composite umbilical cable structure, which includes a main sleeve, an elastic limit sleeve, a main elastic sealing sleeve, and a secondary elastic sealing sleeve. Elastic limit sleeves are sleeved at both ends inside the main sleeve, and a limit plate is arranged inside the elastic limit sleeve. A cable is sleeved through a main socket hole at the axis between the limit plates, and an optical cable, a hydraulic power pipe, and a chemical agent pipe are respectively sleeved through secondary socket holes between the limit plates and around the cable.

[0006] The main sleeve is composed of a steel inner pipe, an electromagnetic shielding layer, a steel bar mesh framework, a concrete wrapping layer, and a waterproof layer. An electromagnetic shielding layer is arranged between the concrete wrapping layer and the steel inner pipe on the outer surface layer of the steel inner pipe.

[0007] By adopting the above technical solution, the strong electricity composite umbilical cable structure greatly improves the safety in deep water areas, is convenient for assembling, debugging, and installing at the construction site, has high construction portability, saves manpower and material resources, and reduces the project cost.

[0008] Specifically, positioning rings are sleeved at both ends of the outer side of the main sleeve. Fixed blocks are welded equidistantly on the periphery of the positioning ring, and traction holes are opened on the fixed blocks.

[0009] Specifically, a waterproof layer is provided on the outer surface layer of the concrete wrapping layer, and the waterproof layer is specifically made of polytetrafluoroethylene material.

[0010] Specifically, a main elastic sealing sleeve and a secondary elastic sealing sleeve are adhesively bonded to the inner walls of the main socket hole and the secondary socket hole respectively.

[0011] Specifically, a steel bar mesh framework is arranged in the concrete wrapping layer along the direction of the main casing.

[0012] By adopting the above technical solution, the steel bar mesh framework improves the tensile and shear strength of the concrete wrapping layer, and further improves the safety of the main casing.

[0013] Specifically, the elastic limit sleeve, the main elastic sealing sleeve and the secondary elastic sealing sleeve are all made of polyurethane elastomer material, and the electromagnetic shielding layer is specifically a carbon-based film.

[0014] By adopting the above technical solution, the electromagnetic shielding layer, specifically a carbon-based film, has the effect of electromagnetic shielding, anti-interference, and has the advantages of good corrosion resistance and high temperature resistance.

[0015] The beneficial effects of the present utility model:

[0016] For the deep-water high-voltage composite umbilical cable structure of the present utility model, the main socket hole and the secondary socket hole on the limit plate are used to facilitate the quick sleeving of cables and other functional pipes, and the main elastic sealing sleeve and the secondary elastic sealing sleeve are used to improve the sealing performance at the sleeved joint, and have a certain buffering effect, which is convenient for assembly, debugging and installation at the construction site, with high construction portability, saving manpower and material resources, and reducing the project cost.

[0017] For the deep-water high-voltage composite umbilical cable structure of the present utility model, the concrete wrapping layer on the outer side of the steel inner pipe is used to improve the strength and stiffness of the overall main casing, resist the deep-water pressure, better protect the internal high-voltage cable, greatly improve the safety, and the electromagnetic shielding layer, specifically a carbon-based film, has the effect of electromagnetic shielding, anti-interference, and has the advantages of good corrosion resistance and high temperature resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0019] Figure 1 is the overall structural schematic diagram of the present utility model;

[0020] Figure 2 is the structural schematic diagram of the main casing material of the present utility model;

[0021] Figure 3 is the internal pipeline structural schematic diagram of the main casing of the present utility model.

[0022] In the figure: 1, main sleeve; 2, positioning ring; 3, elastic limit sleeve; 4, limit plate; 5, main socket hole; 6, main elastic seal sleeve; 7, hydraulic power pipe; 8, cable; 9, optical cable; 10, secondary elastic seal sleeve; 11, secondary socket hole; 12, reagent pipe; 13, traction hole; 14, fixing block; 15, steel inner pipe; 16, electromagnetic shielding layer; 17, steel bar mesh skeleton; 18, concrete wrapping layer; 19, waterproof layer. Specific embodiments

[0023] In order to make the technical means, creative features, achieved purposes and functions realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0024] In order to greatly improve the safety of the strong electricity composite umbilical cable structure in deep water areas, facilitate the assembly, debugging and installation at the construction site, it has high construction portability, saves manpower and material resources, and reduces the project cost. As Figures 1-3 shown, a strong electricity composite umbilical cable structure of the present utility model includes a main sleeve 1, an elastic limit sleeve 3, a main elastic seal sleeve 6 and a secondary elastic seal sleeve 10. Elastic limit sleeves 3 are sleeved at both ends inside the main sleeve 1, and a limit plate 4 is arranged inside the elastic limit sleeve 3. A cable 8 is sleeved through the main socket hole 5 at the axis between the limit plates 4, and an optical cable 9, a hydraulic power pipe 7 and a reagent pipe 12 are respectively sleeved through the secondary socket hole 11 between the limit plates 4 and around the cable 8;

[0025] The main sleeve 1 is composed of a steel inner pipe 15, an electromagnetic shielding layer 16, a steel bar mesh skeleton 17, a concrete wrapping layer 18 and a waterproof layer 19. An electromagnetic shielding layer 16 is arranged between the concrete wrapping layer 18 and the steel inner pipe 15, and the outer surface layer of the steel inner pipe 15 is provided with the concrete wrapping layer 18.

[0026] During use, the strong electricity composite umbilical cable structure greatly improves the safety in deep water areas, facilitates the assembly, debugging and installation at the construction site, has high construction portability, saves manpower and material resources, and reduces the project cost.

[0027] Exemplarily, as Figure 1 shown, the present utility model further includes that positioning rings 2 are sleeved at both outer ends of the main sleeve 1, fixing blocks 14 are welded equidistantly on the periphery of the positioning ring 2, and traction holes 13 are opened on the fixing blocks 14.

[0028] During use, the traction holes 13 are used to facilitate the connection of the traction rope for dragging and positioning, and final limit fixation is carried out through the traction holes 13.

[0029] Exemplarily, as Figure 1 、 2As shown, the utility model further includes that a waterproof layer 19 is provided on the outer surface layer of the concrete wrapping layer 18, and the waterproof layer 19 is specifically made of polytetrafluoroethylene material.

[0030] During use, the waterproof effect of the composite umbilical cable in deep water areas is improved, preventing water from entering the main sleeve 1 and affecting its service life.

[0031] Exemplarily, as Figure 1 shown, the utility model further includes that a main elastic sealing sleeve 6 and a secondary elastic sealing sleeve 10 are adhesively bonded to the inner walls of the main socket hole 5 and the secondary socket hole 11 respectively.

[0032] During use, the main elastic sealing sleeve 6 and the secondary elastic sealing sleeve 10 are used to improve the sealing performance at the socket joint and have a certain buffering effect.

[0033] Exemplarily, as Figure 1 、 2 shown, the utility model further includes that a steel bar mesh framework 17 is arranged in the concrete wrapping layer 18 along the direction of the main sleeve 1.

[0034] During use, the steel bar mesh framework 17 improves the tensile and shear strength of the concrete wrapping layer 18, further enhancing the safety of the main sleeve 1.

[0035] Exemplarily, as Figure 1 、 2 shown, the utility model further includes that the elastic limit sleeve 3, the main elastic sealing sleeve 6 and the secondary elastic sealing sleeve 10 are all made of polyurethane elastomer material, and the electromagnetic shielding layer 16 is specifically a carbon-based film.

[0036] During use, the electromagnetic shielding layer 16, specifically a carbon-based film, has the effect of electromagnetic shielding, anti-interference, and has advantages such as good corrosion resistance and high temperature resistance.

[0037] When the utility model is in use, the main socket hole 5 and the secondary socket hole 11 on the limit plate 4 are used to facilitate the quick sleeving of the cable 8 and other functional pipes;

[0038] Moreover, the main elastic sealing sleeve 6 and the secondary elastic sealing sleeve 10 are used to improve the sealing performance at the socket joint and have a certain buffering effect, facilitating assembly, debugging and installation at the construction site, with high construction portability, saving manpower and material resources, and reducing the project cost;

[0039] The concrete wrapping layer 18 on the outer side of the steel inner tube 15 is used to improve the strength and stiffness of the overall main sleeve 1, resist the pressure in deep water areas, and better protect the high-voltage cable inside, greatly enhancing the safety;

[0040] The electromagnetic shielding layer 16 is specifically a carbon-based film, which has the effect of electromagnetic shielding, anti-interference, and has the advantages of good corrosion resistance and high temperature resistance, etc.

[0041] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of protection required by the present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A strong electricity composite umbilical cable structure in deep water area, characterized in that It includes a main sleeve (1), an elastic limit sleeve (3), a main elastic seal sleeve (6) and a secondary elastic seal sleeve (10). Elastic limit sleeves (3) are sleeved at both ends inside the main sleeve (1), and a limit plate (4) is provided inside the elastic limit sleeve (3). A cable (8) is sleeved through a main socket hole (5) at the axis between the limit plates (4). An optical cable (9), a hydraulic power pipe (7) and a chemical agent pipe (12) are respectively sleeved through secondary socket holes (11) between the limit plates (4) and around the cable (8). The main sleeve (1) is composed of a steel inner pipe (15), an electromagnetic shielding layer (16), a steel bar mesh skeleton (17), a concrete wrapping layer (18) and a waterproof layer (19). An electromagnetic shielding layer (16) is provided between the concrete wrapping layer (18) and the steel inner pipe (15) with the concrete wrapping layer (18) provided on the outer surface layer of the steel inner pipe (15).

2. The structure of a high-voltage composite umbilical cable in a deep water area according to claim 1, wherein, Positioning rings (2) are sleeved at both outer ends of the main sleeve (1). Fixing blocks (14) are welded equidistantly on the periphery of the positioning ring (2), and a traction hole (13) is provided on the fixing block (14).

3. The structure of a high-voltage composite umbilical cable in a deep water area according to claim 1, characterized in that, A waterproof layer (19) is provided on the outer surface layer of the concrete wrapping layer (18), and the waterproof layer (19) is specifically made of polytetrafluoroethylene material.

4. The structure of a high-voltage composite umbilical cable in deep water according to claim 1, characterized in that, A main elastic seal sleeve (6) and a secondary elastic seal sleeve (10) are respectively adhered to the inner walls of the main socket hole (5) and the secondary socket hole (11).

5. The structure of a high-voltage composite umbilical cable in deep water according to claim 1, characterized in that, A steel bar mesh skeleton (17) is provided in the concrete wrapping layer (18) along the direction of the main sleeve (1).

6. The structure of a high-voltage composite umbilical cable in a deep water area according to claim 1, characterized in that The elastic limit sleeve (3), the main elastic seal sleeve (6) and the secondary elastic seal sleeve (10) are all made of polyurethane elastomer material, and the electromagnetic shielding layer (16) is specifically a carbon-based film.

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