Submarine cable with anti-stamping structure
By setting sliding lead stabilization blocks and multi-layer protective sleeves on the fixing ring of the submarine cable, the problem of submarine cables being susceptible to pressure in the submarine environment is solved, and more stable cable fixation and extended life are achieved.
Patent Information
- Application Number
- CN202323543367.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2033-12-25
AI Technical Summary
Existing submarine cables are susceptible to huge pressure and local collapse or deformation in the submarine environment, affecting the transmission of electrical signals and cable life.
A submarine cable with a punch-resistant structure is designed. By setting fixed cone blocks and slidingly installed lead stabilizer blocks on the fixed ring, the fixed cone block can slide to the bottom of the circular groove, so that the center of gravity of the fixed ring is facing downward and stabilizes the seabed. The cable is enhanced by a multi-layer protective sheath and wire layer.
It effectively reduces the pressure of submarine cables under the impact of water flow, extends the service life of the cable, and improves the wear resistance and water resistance of the cable through multi-layer protective sleeves and steel wire layers.
Smart Images
Figure CN222167974U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of submarine cable equipment, specifically a submarine cable with an anti-punch structure. Background Art
[0002] Submarine cables are cables wrapped in insulating materials, laid on the seabed, and used for telecommunication transmission. Submarine cables are divided into submarine communication cables and submarine power cables. Submarine communication cables are mainly used for long-distance communication networks, usually between distant islands, cross-sea military facilities and other important occasions. Submarine power cables are laid much shorter distances than communication cables, and are mainly used between land and islands, across rivers or harbors, connecting drilling platforms from land or connecting drilling platforms to each other, etc.
[0003] After searching, the Chinese patent document application number: 202010367130.4 discloses a submarine cable, including a number of power units, filling units and protection units arranged from the inside to the outside, and a number of the power units include a water-blocking conductor and an insulating layer wrapped around the outer periphery of the water-blocking conductor. The power units also include a first metal shielding layer and a second metal shielding layer wrapped around the outer periphery of the insulating layer. The first metal shielding layer and the second metal shielding layer are respectively provided with a semi-conductive water-resistant layer inside, and the first metal shielding layer or the second metal shielding layer is an extruded alloy lead sheath structure. Through the mixed metal shielding structure, the short-circuit current discharge capacity of the metal shielding layer can be significantly increased, and the short-circuit current of the metal shielding layer can be increased by 25% to 400%, solving the problem of insufficient short-circuit current capacity of large-capacity submarine cables.
[0004] However, the above submarine cables still have the following defects:
[0005] The above submarine cable is provided with an extruded alloy lead sheath structure through the first metal shielding layer or the second metal shielding layer, so that compared with directly increasing the lead sheath thickness, the hybrid metal shielding type has more advantageous short-circuit current discharge capacity and balanced electric field capacity, which can effectively solve the problem of insufficient short-circuit current capacity of large-capacity submarine cables;
[0006] However, when the cable is located on the seabed, it is easy to be partially collapsed or deformed by the huge pressure, which is not conducive to the transmission of electrical signals. Therefore, we need a submarine cable with an anti-punch structure, which can reduce the pressure on the cable to a certain extent and extend the service life of the cable. Utility Model Content
[0007] The utility model aims to provide a submarine cable with an anti-punch structure, which mainly fixes the submarine cable in the sand on the seabed through a fixed cone block on a fixed ring. If the natural impact caused by the flow of water is encountered, since the stabilizing block is slidably installed in the fixed ring and the stabilizing block is a lead block, it can slide to the bottom of the circular groove by itself, so that the center of gravity of the fixed ring is downward, which plays a stabilizing role on the overall submarine cable.
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a submarine cable with an anti-punch structure, comprising a cable conductor body, the outermost side of the cable conductor body is sleeved with an outer sheath, the outer side of the outer sheath is sleeved with multiple fixing rings, the outer surface of the fixing ring is provided with a fixing cone block, the interior of the fixing ring is opened with a circular groove, a stabilizing block is provided in the circular groove, the two ends of the stabilizing block are respectively slidably installed in the fixing ring, and the stabilizing block is set as a lead block.
[0009] Preferably, through openings are provided on both sides of the fixed cone block, the fixed cone block is arranged in a conical shape, and one end of the fixed cone block is fixedly connected to the outer surface of the fixed ring.
[0010] Preferably, an inner sheath is fixedly connected to the outer side of the cable conductor body, a semi-conductive layer is coated on the outer wall of the inner sheath, and a first protective sheath is sleeved on the outer wall of the semi-conductive layer.
[0011] Preferably, the outer wall of the first protective cover is sleeved with a waterproof membrane, the waterproof membrane is configured to prevent the cable conductor body from getting damp, and the outer wall of the waterproof membrane is sleeved with a second protective cover.
[0012] Preferably, a chlorinated polyether layer is sleeved on the outer side of the second protective sleeve, the chlorinated polyether layer is in a foamed state, and a wear-resistant layer is sleeved on the outer wall of the chlorinated polyether layer.
[0013] Preferably, a steel wire layer is sleeved between the outer wall of the wear-resistant layer and the outer sheath, and the steel wire layer includes a first steel wire mesh and a second steel wire mesh, and the second steel wire mesh is sleeved on the first steel wire mesh.
[0014] Preferably, a polyethylene layer is provided inside the outer sheath.
[0015] Compared with the prior art, the beneficial effects of the utility model are:
[0016] 1. The utility model mainly fixes the submarine cable in the sand on the seabed by the fixing cone block on the fixing ring. If it encounters the natural impact caused by the flow of water, since the stabilizing block is slidably installed in the fixing ring and the stabilizing block is a lead block, it can slide to the bottom of the circular groove by itself, so that the center of gravity of the fixing ring is downward, which plays a stabilizing role for the entire submarine cable. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0018] Figure 2 This is a front view structural schematic diagram of the utility model;
[0019] Figure 3 It is a schematic diagram of the internal structure of the fixing ring of the utility model.
[0020] In the figure: 1. cable conductor body; 2. inner sheath; 3. semi-conductive layer; 4. first protective sheath; 5. waterproof membrane; 6. second protective sheath; 7. chlorinated polyether layer; 8. wear-resistant layer; 9. steel wire layer; 901. first steel wire mesh; 902. second steel wire mesh; 10. outer sheath; 11. fixing ring; 1101. circular groove; 1102. stabilizing block; 12. fixing cone block; 13. through-hole. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-3 The utility model provides a technical solution: a submarine cable with an anti-punch structure, comprising a cable conductor body 1, an outer sheath 10 is sleeved on the outermost side of the cable conductor body 1, a plurality of fixing rings 11 are sleeved on the outer side of the outer sheath 10, a fixing cone block 12 is arranged on the outer surface of the fixing ring 11, a circular groove 1101 is opened inside the fixing ring 11, a stabilizing block 1102 is arranged in the circular groove 1101, two ends of the stabilizing block 1102 are respectively slidably installed in the fixing ring 11, and the stabilizing block 1102 is set as a lead block;
[0023] When in use, the submarine cable is fixed in the sand on the seabed by the fixed cone block 12 on the fixing ring 11. If it encounters natural impact caused by the flow of water, since the stabilizing block 1102 is slidably installed in the fixing ring 11 and the stabilizing block 1102 is a lead block, it can slide to the bottom of the circular groove 1101 by itself, so that the center of gravity of the fixing ring 11 is downward, which stabilizes the entire submarine cable.
[0024] Through holes 13 are provided on both sides of the fixed cone block 12, and the fixed cone block 12 is arranged in a cone shape. One end of the fixed cone block 12 is fixedly connected to the outer surface of the fixed ring 11. When encountering water flow, the through hole 13 on the fixed cone block 12 can effectively reduce the impact force of the water flow.
[0025] An inner sheath 2 is fixedly connected to the outer side of the cable conductor body 1, a semiconductive layer 3 is coated on the outer wall of the inner sheath 2, a first protective sheath 4 is sleeved on the outer wall of the semiconductive layer 3, the semiconductive layer 3 is used to homogenize the internal electric field and reduce the loss, and the first protective sheath 4 is used to prevent the semiconductive layer 3 from being scraped off.
[0026] The outer wall of the first protective cover 4 is sleeved with a waterproof membrane 5, and the waterproof membrane 5 is configured to prevent the cable conductor body 1 from getting damp. The outer wall of the waterproof membrane 5 is sleeved with a second protective cover 6. The waterproof membrane 5 can prevent water molecules from penetrating into the first protective cover 4 and corroding the cable conductor body 1. The first protective cover 4 and the second protective cover 6 can protect the waterproof membrane 5 and prevent it from being damaged.
[0027] A chlorinated polyether layer 7 is sleeved on the outer side of the second protective cover 6. The chlorinated polyether layer 7 is in a foamy state. A wear-resistant layer 8 is sleeved on the outer wall of the chlorinated polyether layer 7. The chlorinated polyether layer 7 is filled between the wear-resistant layer 8 and the second protective cover 6. The chlorinated polyether layer 7 plays a buffering role to prevent the impact force from directly impacting the second protective cover 6.
[0028] A steel wire layer 9 is sleeved between the outer wall of the wear-resistant layer 8 and the outer sheath 10. The steel wire layer 9 includes a first steel wire mesh 901 and a second steel wire mesh 902. The second steel wire mesh 902 is sleeved on the first steel wire mesh 901. The wear-resistant layer 8 can prevent the steel wire layer 9 from directly wearing the chlorinated polyether layer 7, and the steel wire layer 9 can reduce the pressure of water flow on the submarine cable to a certain extent.
[0029] A polyethylene layer is provided inside the outer sheath 10. Since polyethylene has the characteristics of acid resistance, alkali resistance, moisture resistance, aging resistance, etc., the outer sheath 10 can extend the service life of the cable to a certain extent.
[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A submarine cable with a stamping-resistant structure, comprising a cable conductor body (1), Features: The outermost side of the cable conductor body (1) is sleeved with an outer sheath (10), and the outer side of the outer sheath (10) is sleeved with a plurality of fixing rings (11), and the outer surface of the fixing ring (11) is provided with a fixing cone block (12), and a circular groove (1101) is opened inside the fixing ring (11), and a stabilizing block (1102) is provided in the circular groove (1101), and the two ends of the stabilizing block (1102) are respectively slidably mounted in the fixing ring (11), and the stabilizing block (1102) is set as a lead block.
2. A submarine cable with a stamping-resistant structure according to claim 1, Features: Through openings (13) are provided on both sides of the fixed cone block (12). The fixed cone block (12) is arranged in a conical shape. One end of the fixed cone block (12) is fixedly connected to the outer surface of the fixed ring (11).
3. A submarine cable with a stamping-resistant structure according to claim 2, Features: An inner sheath (2) is fixedly connected to the outer side of the cable conductor body (1); a semi-conductive layer (3) is coated on the outer wall of the inner sheath (2); and a first protective sheath (4) is sleeved on the outer wall of the semi-conductive layer (3).
4. A submarine cable with a stamping-resistant structure according to claim 3, Features: The outer wall of the first protective sleeve (4) is sleeved with a waterproof membrane (5), and the waterproof membrane (5) is configured to prevent the cable conductor body (1) from getting wet. The outer wall of the waterproof membrane (5) is sleeved with a second protective sleeve (6).
5. A submarine cable with a stamping-resistant structure according to claim 4, Features: The outer side of the second protective sleeve (6) is sleeved with a chlorinated polyether layer (7), the chlorinated polyether layer (7) is in a foamed state, and the outer wall of the chlorinated polyether layer (7) is sleeved with a wear-resistant layer (8).
6. A submarine cable with a stamping-resistant structure according to claim 5, Features: A steel wire layer (9) is sleeved between the outer wall of the wear-resistant layer (8) and the outer sheath (10), wherein the steel wire layer (9) comprises a first steel wire mesh (901) and a second steel wire mesh (902), wherein the second steel wire mesh (902) is sleeved on the first steel wire mesh (901).
7. A submarine cable with a stamping-resistant structure according to claim 6, Features: A polyethylene layer is provided inside the outer sheath (10).