High-voltage-resistant corrosion-resistant marine cable

Abstract

The utility model discloses a high-voltage-resistant corrosion-resistant marine cable which comprises a cable body and further comprises a voltage-resistant pipe, a plurality of supporting blocks are arranged in the voltage-resistant pipe, a plurality of pressing blocks are arranged in the supporting blocks, mounting holes are formed in the pressing blocks, the cable body is arranged in the mounting holes, and the cable body is arranged in the cable body. The multiple cable bodies are all arranged in the pressure-resistant pipe, the cable cores are arranged in the cable bodies, the cable cores are sleeved with the insulating layers, the pressure-resistant layer is arranged outside the insulating layers, and the multiple protective layers are arranged outside the cable bodies, so that external seawater is prevented from permeating and affecting normal use of the cable. The cable body is installed on the supporting block in the pressure-resistant pipe, when the outside of the pressure-resistant pipe is pressed, the pressing block slides along the square groove, the supporting spring buffers the pressure borne by the pressing block, the cable body is prevented from being extruded and deformed, and the service life of the cable in the marine environment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a high-voltage resistant and corrosion-resistant submarine cable. Background Art

[0002] Submarine cables are wire products used to transmit electrical energy and magnetic energy, information and realize the conversion of electromagnetic energy. They are composed of one or more insulated wire cores, as well as an external coating layer, a total protective sleeve and an outer protective layer. There are many types of cables, which can be applied in many fields, and the usage environments in different fields are different. Therefore, different requirements are also placed on the cables.

[0003] Existing submarine cables need to be laid on the seabed for telecommunication transmission. The cables are composed of several groups of conductors twisted together, and are externally sleeved with a coating layer and a protective layer. The overall compressive and corrosion-resistant performance of the cables is poor, and they cannot achieve the effect of high-voltage resistance. After long-term use, accidents are likely to occur, posing certain safety hazards and being unfavorable to the normal use of submarine cables. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a high-voltage resistant and corrosion-resistant submarine cable to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-voltage resistant and corrosion-resistant submarine cable includes a cable body, and further includes:

[0007] A pressure-resistant tube, inside which there are multiple support blocks. Inside the support blocks, there are multiple pressure blocks. Installation holes are opened inside the pressure blocks, and the cable body is arranged inside the installation holes. Multiple cable bodies are all arranged inside the pressure-resistant tube. A cable core is arranged inside the cable body, an insulating layer is sleeved outside the cable core, a pressure-resistant layer is arranged outside the insulating layer, and a corrosion-resistant layer is arranged outside the pressure-resistant layer;

[0008] Support columns, which are arranged inside the pressure-resistant tube. Multiple support blocks are all sleeved outside the support columns. Square grooves are opened on the support blocks, and the pressure blocks are slidably arranged inside the square grooves. Support springs are arranged inside the square grooves, and one end of the support springs is in contact with the pressure blocks;

[0009] A connection mechanism, which is arranged inside the pressure-resistant tube and can support and connect multiple cable bodies inside the pressure-resistant tube.

[0010] Based on the above technical solutions, the utility model also provides the following optional technical solutions:

[0011] In an alternative solution: The connecting mechanism includes a connecting block, a buffer block, and a support member. A plurality of connecting blocks are sleeved outside the support column. A buffer block is slidably arranged outside the connecting block. One end of the buffer block passing through the connecting block is provided with a support member. A support groove is formed inside the support member, and the cable body sequentially passes through a plurality of support grooves.

[0012] In an alternative solution: A plurality of installation grooves are formed in the connecting block. The buffer block is slidably arranged inside the installation groove. One end of the buffer block inserted into the installation groove is provided with a support spring, and one end of the support spring is arranged at the bottom of the installation groove.

[0013] In an alternative solution: A through hole is formed at the central position of the connecting block, and the connecting block is sleeved outside the support column through the through hole.

[0014] In an alternative solution: An outer sheath is sleeved outside the anti-corrosion layer, and an anti-slip layer is arranged at the position where the outer sheath contacts the installation hole.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0016] The high-voltage-resistant and corrosion-resistant marine cable is composed of a cable body and an external pressure-resistant pipe. A plurality of protective layers are arranged outside the cable body to prevent seawater from the outside from seeping in and affecting the normal use of the cable. The cable body is installed on the support block inside the pressure-resistant pipe. When pressure is applied to the outside of the pressure-resistant pipe, the pressing block slides along the square groove, and the support spring buffers the pressure received by the pressing block, preventing the cable body from being squeezed and deformed, so that the marine cable has good compressive and corrosion-resistant properties and improves the service life of the cable in the marine environment. Brief Description of the Drawings

[0017] Figure 1 It is a schematic structural diagram of a high-voltage-resistant and corrosion-resistant marine cable.

[0018] Figure 2 It is a cross-sectional view of the cable body in a high-voltage-resistant and corrosion-resistant marine cable.

[0019] Figure 3 It is a cross-sectional view of the pressure-resistant pipe in a high-voltage-resistant and corrosion-resistant marine cable.

[0020] Figure 4 It is a schematic structural diagram of the support block in a high-voltage-resistant and corrosion-resistant marine cable.

[0021] Figure 5 It is a schematic structural diagram of the connecting block in a high-voltage-resistant and corrosion-resistant marine cable.

[0022] Annotation of reference numerals: 1 - pressure-resistant pipe, 2 - cable body, 201 - corrosion-resistant sleeve, 202 - pressure-resistant layer, 203 - insulating layer, 204 - cable core, 205 - outer sheath, 3 - support column, 4 - support block, 5 - pressing block, 6 - support member, 7 - connecting block, 8 - square groove, 9 - support spring, 10 - mounting hole, 11 - support groove, 12 - through hole, 13 - mounting groove, 14 - support spring, 15 - buffer block. Detailed implementation mode

[0023] In order to make the purpose, technical solution and advantages of the present utility model clearer, the following further details the present utility model in combination with the accompanying drawings and embodiments; in the drawings or descriptions, similar or identical parts use the same reference numerals, and in actual applications, the shapes, thicknesses or heights of the components can be enlarged or reduced. Each embodiment listed in the present utility model is only used to illustrate the present utility model, and is not used to limit the scope of the present utility model. Any obvious modification or change made to the present utility model does not depart from the spirit and scope of the present utility model.

[0024] In one embodiment, as Figures 1-5 shown, a high-voltage resistant and corrosion-resistant marine cable includes a cable body 2, and further includes:

[0025] A pressure-resistant pipe 1, the pressure-resistant pipe 1 is the outer shell of the marine cable, the pressure-resistant pipe 1 is made of corrosion-resistant material to prevent seawater from the outside from seeping into the cable interior. A plurality of support blocks 4 are arranged inside the pressure-resistant pipe 1. The support blocks 4 are cylindrical block structures and are arranged at both ends inside the pressure-resistant pipe 1. A plurality of pressing blocks 5 are slidably arranged inside the support blocks 4. Mounting holes 10 are formed inside the pressing blocks 5, and the cable body 2 is arranged inside the mounting holes 10, that is, the cable body 2 penetrates along the mounting holes 10, and the pressing blocks 5 support the cable. A plurality of the cable bodies 2 are all arranged inside the pressure-resistant pipe 1. A cable core 204 is arranged inside the cable body 2, an insulating layer 203 is sleeved outside the cable core 204, a pressure-resistant layer 202 is arranged outside the insulating layer 203, and a corrosion-resistant layer 201 is arranged outside the pressure-resistant layer 202;

[0026] A support column 3, the support column 3 is arranged inside the pressure-resistant pipe 1, the support column 3 is an insulating rod, which constitutes the reinforcing rib of the marine cable. A plurality of the support blocks 4 are all sleeved outside the support column 3. Square grooves 8 are formed on the support blocks 4, and the pressing blocks 5 are slidably arranged inside the square grooves 8. Support springs 9 are arranged inside the square grooves 8, and one end of each support spring 9 is in contact with the pressing block 5, and the support springs 9 buffer the pressure received by the pressing blocks 5;

[0027] A connecting mechanism, which is arranged inside the pressure-resistant pipe 1 and can support and connect a plurality of cable bodies 2 inside the pressure-resistant pipe 1.

[0028] The high-voltage resistant and corrosion-resistant submarine cable is composed of a cable body 2 and an external pressure-resistant pipe 1. An anti-corrosion layer 201, a pressure-resistant layer 202, and an insulating layer 203 are arranged outside the cable body 2. A plurality of cable bodies 2 are installed on a support block 4 inside the pressure-resistant pipe 1. When pressure is applied to the outside of the pressure-resistant pipe 1, the pressure-resistant pipe 1 sinks inward and squeezes the cable body 2. The pressing block 5 slides along the square groove 8, and the support spring 9 buffers the pressure received by the pressing block 5 to prevent the cable body 2 from being squeezed and deformed, realizing the compression resistance and corrosion resistance of the submarine cable and ensuring the normal use of the submarine cable. As an embodiment, the left-right, up-down positions of the various components shown in the drawings are only one arrangement method, and the specific positions are set according to specific needs.

[0029] In one embodiment, as Figures 1-5 shown, the connecting mechanism includes a connecting block 7, a buffer block 15, and a support member 6. A plurality of connecting blocks 7 are sleeved outside the support column 3. A buffer block 15 is slidably arranged outside the connecting block 7. One end of the buffer block 15 passing through the connecting block 7 is provided with a support member 6. A support groove 11 is opened inside the support member 6. The cable body 2 sequentially passes through a plurality of support grooves 11. A plurality of connecting blocks 7 are arranged between two support blocks 4. The connecting blocks 7 are arranged outside the support column 3 and can assist in supporting the cable body 2.

[0030] In one embodiment, as Figures 1-5 shown, a plurality of installation grooves 13 are opened on the connecting block 7. The buffer block 15 is slidably arranged inside the installation grooves 13. One end of the buffer block 15 inserted into the installation grooves 13 is provided with a support spring 14. One end of the support spring 14 is arranged at the bottom of the installation grooves 13. When an external force acts on the cable body 2, the buffer block 15 slides along the installation grooves 13, and the support spring 14 buffers the buffer block 15.

[0031] In one embodiment, as Figures 4-5 shown, a through hole 12 is opened at the central position of the connecting block 7. The through hole 12 is a cylindrical hole. The connecting block 7 is sleeved outside the support column 3 through the through hole 12.

[0032] In one embodiment, as Figures 1-2 shown, an outer sheath 205 is sleeved outside the anti-corrosion layer 201. An anti-slip layer is arranged at the position where the outer sheath 205 contacts the installation hole 10.

[0033] In the above-mentioned embodiment of the present utility model, a high-voltage resistant and corrosion-resistant marine cable is provided. The marine cable is composed of a cable body 2 and an external pressure-resistant pipe 1. Support blocks 4 are arranged on both sides inside the pressure-resistant pipe 1. A pressing block 5 for supporting the cable body 2 is arranged inside the support block 4. A plurality of connecting blocks 7 are arranged between the two support blocks 4. A plurality of support members 6 are arranged on the connecting block 7, which can assist in supporting the cable body 2. When pressure is applied to the outside of the cable body 2, the pressing block 5 slides along the square groove 8, and the support spring 9 buffers the pressure received by the pressing block 5, preventing the cable body 2 from being squeezed and deformed, and ensuring the normal use of the marine cable.

[0034] The above is only the specific implementation manner of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A high-voltage resistant and corrosion-resistant marine cable, comprising a cable body, characterized in that, Further comprising: A pressure-resistant tube, within which there are provided a plurality of support blocks. Inside the support blocks, there are provided a plurality of pressing blocks. Inside the pressing blocks, mounting holes are formed. Inside the mounting holes, a cable body is provided. A plurality of the cable bodies are all arranged inside the pressure-resistant tube. Inside the cable body, there is a cable core. An insulating layer is sleeved outside the cable core. A pressure-resistant layer is provided outside the insulating layer. An anti-corrosion layer is provided outside the pressure-resistant layer; Support columns, which are arranged inside the pressure-resistant tube. A plurality of the support blocks are all sleeved outside the support columns. Square grooves are formed on the support blocks. The pressing blocks are slidably arranged inside the square grooves. A support spring is arranged inside the square grooves. One end of the support spring is in contact with the pressing block; A connecting mechanism, which is arranged inside the pressure-resistant tube and can support and connect a plurality of cable bodies inside the pressure-resistant tube.

2. The high-voltage resistant and corrosion-resistant submarine cable according to claim 1, wherein The connecting mechanism includes a connecting block, a buffer block and a support member. A plurality of connecting blocks are sleeved outside the support column. A buffer block is slidably arranged outside the connecting block. One end of the buffer block passing through the connecting block is provided with a support member. A support groove is formed inside the support member. The cable body sequentially passes through a plurality of the support grooves.

3. The high-voltage resistant and corrosion-resistant marine cable according to claim 2, characterized in that, A plurality of mounting grooves are formed on the connecting block. The buffer block is slidably arranged inside the mounting grooves. One end of the buffer block penetrating into the mounting grooves is provided with a support spring. One end of the support spring is arranged at the bottom of the mounting groove.

4. The high-voltage resistant and corrosion-resistant submarine cable according to claim 3, characterized in that, A through hole is formed at the central position of the connecting block. The connecting block is sleeved outside the support column through the through hole.

5. The high-voltage resistant and corrosion-resistant submarine cable according to claim 1, characterized in that, An outer sheath is sleeved outside the anti-corrosion layer. An anti-slip layer is provided at the position where the outer sheath is in contact with the mounting hole.

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