A mounting bracket for submarine cables

Abstract

This invention relates to the field of marine engineering technology, specifically to an installation bracket for submarine cables, comprising a bracket module through which a cable is threaded. The bracket module contains an energy harvesting and storage module, an intelligent sensing and decision-making module, a power execution and actuation module, and a bubble curtain generation and output module. This invention temporarily supports the cable by generating a bubble curtain, achieving "dynamic non-contact" between the cable and the bracket. This completely eliminates the possibility of friction and wear at the physical level, solving a core pain point in the field. It cleverly utilizes ocean currents as an environmental energy source as the system's driving force, eliminating the need for external power supply or frequent recharging. This achieves true energy self-sufficiency and long-term maintenance-free operation. Employing intelligent judgment based on vibration / acoustic emission signals, it achieves a leap from "acting only when there is ocean current" to "acting only when there is wear," greatly improving gas source utilization efficiency, avoiding ineffective actions and energy waste, and significantly extending the maintenance cycle.

Description

Technical Field

[0001] This invention relates to the field of marine engineering technology, and more specifically to an installation bracket for submarine cables. Background Technology

[0002] Submarine cables are the lifeline for transoceanic power transmission, offshore wind power grid connection, island power supply, and intercontinental communications; their safe and stable operation is of paramount importance. On the seabed, cables are typically fixed to the seabed using mounting brackets to prevent excessive movement or levitation due to ocean currents.

[0003] Currently, most common submarine cable mounting brackets are rigid or semi-rigid structures, using V-shaped or arc-shaped brackets to clamp or support the cable. This structure has a significant inherent defect: under the impact of intense and unstable ocean currents, the contact area between the cable and the bracket will experience continuous micro-movements, friction, and even impacts, causing the cable sheath and armor layer to be gradually worn and cracked, leading to serious accidents such as insulation failure, short circuits, and even leakage, resulting in extremely high maintenance costs.

[0004] In existing technologies, passive protection methods such as adding wear-resistant pads and increasing the thickness of cable sheaths are commonly used to solve wear problems. These methods can slow down the wear process under certain conditions, but because they fail to eliminate the relative movement between the cable and the support, their protective effect will gradually weaken in the long-term harsh marine environment, and they also increase the weight and complexity of the cable system. Some solutions have proposed to utilize the principles of fluid dynamics, but they mostly focus on optimizing the shape of the support to reduce drag or designing a simple flexible base. None of these solutions can effectively and intelligently physically isolate the cable and the support when wear occurs.

[0005] Therefore, there is an urgent need in this field for an intelligent installation bracket that can proactively detect risks and fundamentally prevent friction between cables and brackets. Summary of the Invention

[0006] The purpose of this invention is to overcome the shortcomings of the prior art and provide an installation bracket for submarine cables that can collect and utilize environmental energy, intelligently sense the wear risk of the cable, and actively generate a bubble curtain to temporarily lift and suspend the cable, thereby achieving dynamic non-contact support and eliminating the risk of wear.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] The present invention provides an installation bracket for submarine cables, including a bracket module through which a cable is disposed. The bracket module is provided with an energy harvesting and storage module, an intelligent sensing and decision-making module, a power execution and actuation module, and a bubble curtain generation and output module.

[0009] The support module includes a base and a support member rotatably disposed above the base for supporting the cable;

[0010] The energy harvesting and storage module includes wave pumps fixedly installed on multiple outer peripheral walls of the base, and a hydraulic accumulator installed inside the base and connected to the wave pumps via high-pressure hydraulic pipelines;

[0011] The intelligent sensing and decision-making module includes a vibration / acoustic emission sensor embedded in the inner wall of the support member, and a control circuit disposed in the base and connected to the vibration / acoustic emission sensor signal.

[0012] The power execution and actuation module includes an electro-hydraulic valve installed on the outlet pipeline of the hydraulic accumulator, the electro-hydraulic valve being electrically connected to the output terminal of the control circuit; it also includes a hydraulic actuator fixed in the base, and a high-pressure gas cylinder detachably installed on the top of the base, the piston rod of the hydraulic actuator being aligned with the valve actuation mechanism of the high-pressure gas cylinder;

[0013] The bubble curtain generation and output module includes an annular equalizing chamber formed inside the support and connected to the output port of the high-pressure gas cylinder via a high-pressure pipeline, and a plurality of special micropores distributed around the inner circumferential wall of the support and connected to the annular equalizing chamber.

[0014] Furthermore, the support module also includes a protective frame that is vertically fixedly installed on the top of the base and surrounds the high-pressure gas cylinder, and a rotating tube that is rotatably installed on the top of the protective frame is vertically fixedly connected to the bottom of the support member.

[0015] Furthermore, a rotary sealing joint is provided between the rotating tube and the high-pressure pipeline, and the high-pressure pipeline passes through the base, the protective frame and the rotating tube in sequence before communicating with the annular equalizing air chamber.

[0016] Furthermore, the control circuit is configured to receive and analyze the signal characteristics of the vibration / acoustic emission sensor, and only issue an opening command to the electro-hydraulic valve when the signal characteristics exceed a preset threshold related to cable wear.

[0017] Furthermore, the axis of the special micropore is at an acute angle to the horizontal plane, causing the discharged gas to form a swirling flow with axial and radial components, thereby generating a centripetal stabilizing force that keeps the cable centered.

[0018] Furthermore, the surface of the bearing portion of the support member in contact with the cable is provided with a biomimetic micro-textured friction-reducing layer.

[0019] Furthermore, the high-pressure gas cylinder is an external gas cylinder module that can be detached and replaced via ROV, and is connected to the high-pressure pipeline via a quick-sealing connector.

[0020] Furthermore, the system also includes an electrolytic water gas generation module. The power input terminal of the electrolytic water gas generation module is connected to a generator or energy storage battery driven by the wave pump, and its gas output terminal is connected to a buffer airbag. The output terminal of the buffer airbag is connected to the downstream pipeline of the high-pressure gas cylinder or replaces the high-pressure gas cylinder.

[0021] The technical solution provided by this invention has the following advantages compared with the known prior art:

[0022] By generating a bubble curtain to temporarily lift the cable, "dynamic non-contact" between the cable and the support is achieved, completely eliminating the possibility of friction and wear at the physical level and solving a core pain point in this field.

[0023] By utilizing ocean currents as an environmental energy source as the system's driving force, it eliminates the need for external power supply or frequent surfacing for recharging, achieving true energy self-sufficiency and long-term maintenance-free operation, making it particularly suitable for remote deep-sea environments.

[0024] By adopting intelligent judgment based on vibration / acoustic emission signals, a leap has been made from "acting only when there is ocean current" to "acting only when there is wear and tear", which improves the efficiency of gas source utilization, avoids ineffective actions and energy waste, and significantly extends the maintenance cycle.

[0025] By designing micropores at a special angle, the resulting swirling bubble curtain not only provides vertical buoyancy but also generates a centripetal stabilizing force that keeps the cable centered, effectively preventing secondary collisions between the cable and the inner wall of the support while it is suspended, thus improving the reliability of the protection effect.

[0026] The high-pressure gas cylinder adopts a modular design with replaceable ROV. When the gas source is exhausted, there is no need to recycle the entire support, which greatly reduces the maintenance cost and time throughout the entire life cycle. The design of the rotating structure and rotary sealing joint allows the support to adapt to the cable posture and avoid torsional damage.

[0027] A biomimetic micro-textured friction-reducing layer is set on the contact surface of the support component, which, combined with the bubble curtain main protection, forms a "static-dynamic" dual-stage protection. When static or slightly moving, the biomimetic surface provides primary protection; when violently shaking, the bubble curtain provides ultimate protection, thus doubling the effectiveness. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0029] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the overall front cross-sectional structure of the present invention;

[0031] Figure 3 This is a schematic diagram of the overall structure of the high-pressure gas cylinder after disassembly according to the present invention;

[0032] Figure 4 This is a schematic diagram of the support structure of the present invention;

[0033] Figure 5 This is a flowchart of the system modules of the present invention.

[0034] The labels in the diagram represent:

[0035] 11. Base; 12. Protective frame; 13. Support; 14. Rotating tube;

[0036] 21. Wave pump; 22. Hydraulic accumulator;

[0037] 31. Vibration / acoustic emission sensor; 32. Control circuit;

[0038] 41. Electro-hydraulic valve; 42. Hydraulic actuator; 43. High-pressure gas cylinder;

[0039] 51. Annular equalizing gas chamber; 52. Special micropores. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0041] The present invention will be further described below with reference to embodiments.

[0042] Example 1:

[0043] Reference Figure 1-5 The first embodiment of the present invention is an installation bracket for submarine cables, which includes a bracket module, through which a cable is disposed, and an energy harvesting and storage module, an intelligent sensing and decision-making module, a power execution and actuation module, and a bubble curtain generation and output module disposed within the bracket module.

[0044] The support module includes a base 11 and a support member 13 that is rotatably connected to the top of the protective frame 12 via a rotating tube 14. This rotating structure allows the support member 13 to adaptively adjust its posture as the cable swings, effectively avoiding local stress concentration caused by the cable being rigidly fixed. The protective frame 12 is vertically fixedly installed on the top of the base 11, and its internal space is used to accommodate and protect the high-pressure gas cylinder 43 from external impact.

[0045] The energy harvesting and storage module includes multiple wave pumps 21 symmetrically arranged on the outer peripheral walls of the base 11. Each wave pump 21 is connected to a hydraulic accumulator 22 located inside the base 11 via a high-pressure hydraulic pipeline. The wave pumps 21 convert ocean current energy into hydraulic energy and store it in the hydraulic accumulator 22, forming the core of the system's self-powered operation. The rated pressure of the hydraulic accumulator 22 is 20-40 MPa, and the volume is 1-5 L.

[0046] The intelligent sensing and decision-making module includes a vibration / acoustic emission sensor 31 embedded in the inner wall of the support 13, and a control circuit 32 disposed in the base 11 and connected to the sensor signal. The vibration / acoustic emission sensor 31 has a vibration measurement range of 0.1-1000Hz, an acceleration measurement range of 0-100g, and an acoustic emission measurement range of 1-1000kHz. The control circuit 32 is based on an STM32F407 microprocessor and includes a signal conditioning circuit consisting of an operational amplifier AD8221 forming a differential amplifier circuit. The signal analysis algorithm steps are: ① Perform a 1024-point FFT transformation on the sensor signal; ② Extract the effective acceleration value of the 100-500Hz frequency band; ③ When the effective value exceeds 0.5g for 3 consecutive seconds, it is determined that the wear threshold has been exceeded, triggering the action of the power execution module.

[0047] The power execution and actuation module includes an electro-hydraulic valve 41 connected in series on the outlet pipeline of the hydraulic accumulator 22, which is controlled by the output signal of the control circuit 32; it also includes a detachable high-pressure gas cylinder 43 connected via a quick-sealing connector, and a hydraulic actuator 42 fixed in the base 11 with its piston rod aligned with the valve of the high-pressure gas cylinder 43. The hydraulic actuator 42 is a single-acting spring-return type hydraulic actuator. When the electro-hydraulic valve 41 is opened, the high-pressure hydraulic oil released by the hydraulic accumulator 22 drives the hydraulic actuator 42, and its piston rod instantly opens the valve of the high-pressure gas cylinder 43. The high-pressure gas cylinder 43 has a working pressure of 10-30 MPa, a volume of 5-20 L, and is filled with nitrogen gas with a purity of ≥99.99%.

[0048] The bubble curtain generation and output module includes an annular equalizing chamber 51 connected to a high-pressure gas cylinder 43 via a high-pressure pipeline. This chamber is arranged around the inside of the support member 13 and is connected to the cable channel through special micro-holes 52 evenly distributed on the inner circumferential wall of the support member 13. The axis of the special micro-holes 52 is at an angle of 45°±5° to the horizontal plane, with a diameter of 0.5-2mm, and one is distributed every 10mm of circumference, for a total of 36-72. A rotary sealing joint between the rotating pipe 14 and the high-pressure pipeline ensures the airtightness of the support member 13 when it rotates. The rotary sealing joint adopts a double-end mechanical seal structure, and the sealing ring is made of silicon carbide-graphite with a pressure resistance rating of ≥30MPa, ensuring no leakage within the ±30° rotation range of the support member 13.

[0049] The surface of the load-bearing part of the support 13 that contacts the cable is provided with a biomimetic micro-texture friction-reducing layer. The biomimetic micro-texture friction-reducing layer is a convex micro-texture with a convex diameter of 8μm±2μm, a height of 3μm±1μm, and a convex spacing of 15μm±5μm. It is prepared by femtosecond laser micromachining technology, with a surface roughness Ra≤0.1μm and a static friction coefficient reduced to below 0.1. Together with the bubble curtain, it forms a "dynamic and static dual-state" protection system.

[0050] As an extension, the system also includes an electrolytic water gas generation module, whose power input is connected to a power generation unit driven by wave pump 21. The generated gas is temporarily stored in a buffer airbag, which can be connected in parallel to the downstream of high-pressure gas cylinder 43 or used independently as a gas source. The gas is released by squeezing the airbag through hydraulic actuator 42.

[0051] Example 2:

[0052] Based on Example 1, this example provides a modified design suitable for extremely shallow water and high turbidity environments. It is mainly aimed at sea areas with a water depth of less than 50 meters and a lot of suspended sediment on the seabed. In such environments, traditional bubble curtains are easily adsorbed by sediment, resulting in a decrease in efficiency.

[0053] The improvement in this embodiment is as follows:

[0054] Air curtain purification structure: A cyclone separator is added to the air inlet end of the annular equalizing air chamber 51. The separator uses tangential air intake to generate swirling flow to separate seawater and solid particles carried in the gas. An automatic drain valve is provided at the bottom of the separator. When the system is reset, the drain valve is opened by the residual pressure of the hydraulic accumulator 22.

[0055] Micropore anti-clogging design: The special micropore 52 is made of titanium alloy, and the inner wall of the channel is treated with diamond-like coating to reduce adhesion. Each micropore is covered with an elastic silicone dustproof membrane. This dustproof membrane automatically opens when the pressure inside the air chamber is 0.2MPa higher than the external water pressure, and closes when the pressure is low to prevent mud and sand from entering.

[0056] Adaptive control strategy: The control circuit 32 adds a turbidity sensor input interface. When the turbidity of the surrounding water exceeds the set value, the sensitivity of the bubble curtain trigger is automatically increased, that is, the protection is activated in advance when the vibration signal reaches 80% of the original threshold.

[0057] Rapid flushing circuit: A branch flushing valve is installed in the high-pressure pipeline. Before each system operation, the valve is opened for 0.1 seconds to use high-pressure gas to back-flush the microporous area and remove any deposits that may accumulate.

[0058] This embodiment is particularly suitable for estuarine areas with high sediment content, such as the Yangtze River Estuary and the Pearl River Estuary, as well as environments with severe biological attachment, such as nearshore aquaculture areas.

[0059] The remaining structure is the same as that in Example 1.

[0060] Example 3:

[0061] This embodiment provides a special solution for cable support of deep-sea thermal power generation platforms, which mainly solves the problems of gas liquefaction and material embrittlement of traditional supports in the low-temperature environment of deep sea.

[0062] Specific improvements include:

[0063] Temperature and pressure compensation system: The high-pressure gas cylinder 43 adopts a double-layer vacuum insulation design and is filled with phase change energy storage material. An electric heating actuator is set between the hydraulic actuator 42 and the gas cylinder valve. When the water depth sensor detects that the water depth is greater than 500 meters and the temperature is lower than 4℃, the control circuit 32 first starts the electric heating mechanism to preheat the valve part to prevent the valve from getting stuck due to low temperature freezing.

[0064] Composite gas source design: A mixture of nitrogen and helium is used as the gas source with a mixing ratio of 6:4. Under this ratio, the gas remains gaseous at a water depth of 2000 meters and an environment of 2℃, and has the best bubble formation characteristics.

[0065] Pressure-resistant reinforced structure: The support component 13 is made of titanium alloy and ceramic matrix composite material in layers. The inner layer is a zirconia ceramic bushing and the outer layer is a TC4 titanium alloy load-bearing layer. The annular pressure equalizing air chamber 51 adopts a honeycomb reinforcing rib structure, so that the deformation of the air chamber is less than 0.1mm under 30MPa hydrostatic pressure.

[0066] Deep-sea corrosion protection measures: All exposed metal parts are protected by sacrificial anodes and coatings. Replaceable zinc-based sacrificial anode blocks are installed at the bottom of the base 11. Key moving parts such as rotating tube 14 are coated with polyurethane-ceramic composite coating.

[0067] Emergency release mechanism: When the system detects abnormal cylinder pressure or cable jamming, the control circuit 32 can activate the emergency rupture valve, which instantly opens the backup gas circuit through the electric rupture tube to ensure that a bubble curtain can still be generated to protect the cable in extreme cases.

[0068] This embodiment is applicable to cable protection for deep-sea projects such as deep-sea observation networks and thermal power plants, and can work stably in sea areas at depths of 3,000 meters and above.

[0069] The remaining structure is the same as that in Example 2.

[0070] In calm sea conditions, the entire system is in standby mode. The cable is naturally placed on the arc-shaped support surface of the support member 13, and its own weight is borne by the support member 13. At this time, the wave pump 21 may oscillate slowly due to the weak ocean current, continuously pressing a small amount of hydraulic oil into the hydraulic accumulator 22 for storage, just like slowly charging the system battery. The vibration / acoustic emission sensor 31 embedded in the inner wall of the support member 13 continuously monitors the background noise. The control circuit 32 determines that the signal characteristics have not reached the threshold, so the system remains silent.

[0071] When ocean currents become strong, the working process is triggered in the following sequence:

[0072] First, there is the intelligent sensing and decision-making process. The intense ocean current causes violent micro-movements, friction, and even impacts between the cable and the inner wall of the support 13. This mechanical action will generate specific high-frequency vibrations and stress waves. The vibration / acoustic emission sensor 31, which is in close contact with the cable, accurately captures these signals and transmits them to the control circuit 32 in real time. The intelligent algorithm built into the control circuit 32 analyzes the amplitude, frequency spectrum, and energy of the signal in real time. Once it is identified that its characteristics exceed the preset threshold directly related to harmful wear, a trigger command is immediately generated. This process realizes the accurate judgment from "there is an ocean current" to "actual wear has occurred".

[0073] Next comes the power execution and actuation process. Once the trigger command is issued, the control circuit 32 sends an opening signal to the electro-hydraulic valve 41. The electro-hydraulic valve 41 is instantly turned on, releasing the high-pressure hydraulic oil stored in the hydraulic accumulator 22 to the hydraulic actuator 42. The hydraulic actuator 42 generates a huge linear thrust at the top of its piston rod. This force accurately and powerfully impacts or pushes open the valve actuator at the top of the high-pressure gas cylinder 43. The valve of the high-pressure gas cylinder 43 is opened, and the high-pressure inert gas or air stored in it is released as the final working medium.

[0074] Next is the bubble curtain generation and output process. The high-pressure gas rushing out from the high-pressure gas cylinder 43 enters the high-pressure pipeline through the quick-sealing joint. This pipeline passes through the base 11 and the protective frame 12, and then enters the rotatable rotating pipe 14 through the rotary sealing joint. Finally, it reaches the annular equalizing gas chamber 51 that surrounds the inside of the support 13. The annular equalizing gas chamber 51 ensures the uniform distribution of gas pressure on the circumference. Subsequently, the gas is ejected at high speed from the special micro-holes 52 that are uniformly arranged around the inner wall of the support 13. The axes of these special micro-holes 52 are specially designed to form a certain acute angle with the horizontal plane, so that the ejected gas forms a strong, uniform, and vortex-shaped bubble curtain in the seawater.

[0075] Finally, there is the process of cable suspension and protection. The generated bubble curtain produces two key mechanical effects: First, the net buoyancy generated by a large number of rising bubbles acts on the cable, and the resultant force is sufficient to overcome the cable's own weight in the water, thereby lifting the cable smoothly and completely separating it from the inner wall of the support 13 to achieve physical isolation. Second, due to the directional design of the special micropores 52, the swirling bubble curtain will generate a centripetal stabilizing force on the cable pointing towards the center of the support. This force can force the suspended cable to automatically center itself, preventing it from swaying in the ocean current and colliding with other parts of the support, thus ensuring the stability of the suspension state.

[0076] When the ocean current weakens and the harmful friction between the cable and the support disappears, the signal characteristics detected by the vibration / acoustic emission sensor 31 return to the normal range. The control circuit 32 then cancels the trigger command, the electro-hydraulic valve 41 closes, the piston rod of the hydraulic actuator 42 resets under the action of the internal spring, the valve of the high-pressure gas cylinder 43 closes under its own structure, the gas supply stops, the bubble curtain gradually disappears, the lifting force dissipates, and the cable slowly and steadily falls back to the support surface of the support member 13 under its own gravity, returning to the initial static support state, waiting for the next cycle.

[0077] The entire working process is driven by environmental energy and decided by an intelligent system, realizing fully automatic closed-loop control from perception and decision-making to execution, fundamentally eliminating the problem of cable wear under harsh sea conditions.

[0078] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A mounting bracket for submarine cables, comprising a bracket module, wherein a cable is disposed through the bracket module, characterized in that, The support module is equipped with an energy harvesting and storage module, an intelligent sensing and decision-making module, a power execution and actuation module, and a bubble curtain generation and output module. The support module includes a base (11) and a support member (13) rotatably disposed above the base (11) for supporting the cable. The energy harvesting and storage module includes wave pumps (21) fixedly installed on multiple outer peripheral walls of the base (11), and a hydraulic accumulator (22) installed inside the base (11) and connected to the wave pumps (21) via a high-pressure hydraulic pipeline. The intelligent sensing and decision-making module includes a vibration / acoustic emission sensor (31) embedded in the inner wall of the support (13), and a control circuit (32) disposed in the base (11) and connected to the vibration / acoustic emission sensor (31) via signal. The power execution and actuation module includes an electro-hydraulic valve (41) installed on the outlet pipeline of the hydraulic accumulator (22), the electro-hydraulic valve (41) being electrically connected to the output end of the control circuit (32); it also includes a hydraulic actuator (42) fixed in the base (11), and a high-pressure gas cylinder (43) detachably installed on the top of the base (11), the piston rod of the hydraulic actuator (42) being aligned with the valve actuation mechanism of the high-pressure gas cylinder (43); The bubble curtain generation and output module includes an annular equalizing chamber (51) located inside the support (13) and connected to the output port of the high-pressure gas cylinder (43) via a high-pressure pipeline, and a plurality of special micropores (52) distributed around the inner circumferential wall of the support (13) and connected to the annular equalizing chamber (51).

2. The mounting bracket for submarine cables according to claim 1, characterized in that, The support module also includes a protective frame (12) that is vertically fixedly installed on the top of the base (11) and surrounds the high-pressure gas cylinder (43). The bottom of the support (13) is vertically fixedly connected to a rotating tube (14) that is rotatably installed on the top of the protective frame (12).

3. The mounting bracket for submarine cables according to claim 2, characterized in that, A rotary sealing joint is provided between the rotating pipe (14) and the high-pressure pipeline. The high-pressure pipeline passes through the base (11), the protective frame (12) and the rotating pipe (14) in sequence and then communicates with the annular equalizing air chamber (51).

4. The mounting bracket for submarine cables according to claim 1, characterized in that, The control circuit (32) is configured to receive and analyze the signal characteristics of the vibration / acoustic emission sensor (31), and issue an opening command to the electro-hydraulic valve (41) only when the signal characteristics exceed a preset threshold related to cable wear.

5. A mounting bracket for submarine cables according to claim 1, characterized in that, The axis of the special micropore (52) is at an acute angle to the horizontal plane, so that the discharged gas forms a swirling flow with axial and radial components, thereby generating a centripetal stabilizing force that keeps the cable centered.

6. The mounting bracket for submarine cables according to claim 1, characterized in that, The surface of the support (13) in contact with the cable is provided with a biomimetic micro-textured friction-reducing layer.

7. The mounting bracket for submarine cables according to claim 1, characterized in that, The high-pressure gas cylinder (43) is an external gas cylinder module that can be detached and replaced by an ROV, and is connected to the high-pressure pipeline through a quick-sealing connector.

8. A mounting bracket for submarine cables according to any one of claims 1 to 7, characterized in that, The system also includes an electrolytic water gas generation module. The power input terminal of the electrolytic water gas generation module is connected to a generator or energy storage battery driven by the wave pump (21), and its gas output terminal is connected to a buffer airbag. The output terminal of the buffer airbag is connected to the downstream pipeline of the high-pressure gas cylinder (43) or replaces the high-pressure gas cylinder (43).

Images