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31results about "Floating cables" patented technology

Hardware and system for supporting subsea flexible lines such as cables, umbilicals and risers

A jacket assembly 100 is provided for attachment to a subsea flexible line for facilitating passive control of movement of the flexible line. The jacket assembly comprises a plurality of jackets (FIG
Owner:SEATHOR LTD

CALM buoy electrical transfer system

A high-voltage electrical power supply line for the provides a secure and water-proof connection transfer of high-voltage electricity through an inner high-voltage electrical cable between a single point mooring (SPM) buoy and / or a caternary anchor leg mooring (CALM) buoy and an LNG vessel moored to the SPM CALM buoy, with a secured connection on each end of the high-voltage electrical cable, disallowing and prevent current flow through high-voltage electrical cable until a secure and confirmed connection is established between connectors attaching the high-voltage electrical power supply line to the SPM CALM buoy and the LNG vessel.
Owner:HVIDE ANNIKA +3

Acquisition and transmission module and offshore seismic exploration acquisition cable using same

The invention belongs to the technical field of marine exploration equipment, and discloses an acquisition and transmission module and an offshore seismic exploration acquisition cable using the same. The acquisition and transmission module is embedded in a reserved window of an acquisition cable, and comprises two waterproof end blocks which are in fusion connection with a cable core wire and a cable sheath layer and are used for axial limiting and end sealing; the protective shell is internally provided with a space for accommodating the acquisition control circuit board; the two fixing end caps are used for fixing the shell; the limiting assembly is composed of a lining ring, a limiting block and a limiting supporting column and connected between the waterproof end block and the fixing end cap. The acquisition and transmission module fills gaps of all parts through an internal adhesive structure so as to be solidified into a whole, and the exterior is integrally wrapped by an injection molding protective layer. According to the acquisition and transmission module, the problems that the module is easy to loosen, poor in sealing and difficult to maintain in a complex marine environment are solved, and the stability and reliability of seismic data acquisition are remarkably improved.
Owner:CHINA OILFIELD SERVICES LTD

Optical storage and transmission flexible cable with corrosion resistance effect and protection structure thereof

The application discloses a light storage straight flexible cable with corrosion resistance and a protection structure thereof, and particularly relates to the technical field of light storage straight flexible technology, and comprises a photovoltaic power generation mechanism, wherein the photovoltaic power generation mechanism comprises an annular floating body pipe floating on the water surface, the inner ring of the annular floating body pipe is provided with a high-elasticity film, and the high-elasticity film is uniformly provided with a plurality of photovoltaic panels; the annular floating body pipe is concentrically provided with a mounting ring, the mounting ring is arranged in parallel with the annular floating body pipe, the mounting ring is provided with a protection mechanism, and the protection mechanism comprises a plurality of protection sleeves fixedly mounted on the mounting ring. The protection mechanism is arranged, so that when the high-elasticity film fluctuates up and down with waves, the cable between the photovoltaic panel and the mounting ring is limited to swing in a small range in the protection sleeve, and thus the deformation range of the cable is effectively reduced, and the service life of the cable is significantly prolonged.
Owner:SHENZHEN DEEP CABLE TECH

Long-service-life water floating light-emitting cable and manufacturing method thereof

The invention discloses a long-service-life water floating light-emitting cable and a manufacturing method, and belongs to the technical field of cables, the long-service-life water floating light-emitting cable comprises a conductor, an insulating layer, a protective layer and a waterproof layer which are sequentially arranged from inside to outside, the conductor is a stranded conductor formed by stranding a plurality of strands of monofilaments, the insulating layer is made of crosslinked polyethylene, the insulating layer is of an 8-shaped structure, and the waterproof layer is made of polyethylene. Two annular rings are formed on the cross section of the 8-shaped structure, and the conductors are arranged in the annular rings; the air bags are symmetrically arranged outside the annular ring; the volume fraction configuration of the air bag enables the overall average density of the cable to be not greater than 0.90 g.cm. According to the invention, the sealed air bag extending axially is arranged in the cable, and the cable can float on the water surface, so that a lot of dependence on a shore-based fixed lamp or an external floating body is eliminated, the cost of on-site mounting and fixing components is remarkably reduced, and the mobility is improved; the air bags are continuously distributed in the axial direction to ensure the stability of the linear floating body, and the maintenance frequency and the labor cost are reduced.
Owner:GUANGZHOU CABLE FACTORY CO LTD

Submersible submarine cable

The invention relates to the technical field of offshore wind power generation, and provides a submersible submarine cable. The cable comprises a cable core, a filling layer and a buoyancy adjusting unit. The filling layer is filled and wraps the outer side of the cable core, the buoyancy adjusting unit is embedded in the filling layer, the buoyancy can be flexibly adjusted, and the submarine cable is made to suspend at the target depth between the sea surface and the seabed. Grooves do not need to be excavated on the seabed, the cable is directly put and positioned during laying, the cable can automatically return to the preset depth after maintenance, the process is greatly simplified, and cost is reduced. Suspension design adapts to a complex geological area, geological activity damage is avoided, and the project site selection range is expanded; the heat dissipation mode of direct contact with flowing seawater effectively reduces the temperature of the conductor and avoids the reduction of the current-carrying capacity. The system has static cable stability and dynamic cable anti-fatigue performance and can be directly connected with a floating fan and a mainland power grid, the fault risk of an intermediate joint is eliminated, and the buoyancy adjusting unit can dynamically adapt to environmental changes and maintain suspension stability.
Owner:SOUTH SEA SUBMARINE CABLE CO LTD +2

Floating light-emitting cable

The utility model relates to a kind of floating luminous cable, cable appearance is flat strip, including mutually spaced first conductor and second conductor, for the insulator of separating and wrapping first conductor and second conductor, the cross section of insulator is dumbbell ball type, one air bag is respectively arranged in the upper and lower space of insulator, the periphery of insulator and two air bags is wrapped with a protective layer, the protective layer includes luminophor, the periphery of protective layer is wrapped with a water-blocking layer.Cable self-luminous changes point light source into line light source, so that fish distribution is more uniform.Water-resistant performance has, meet the requirement of long-term use in water, improve use safety, avoid electric leakage hidden danger.Cable can float on water surface, with warning line effect, float with water surface without affecting drag-net fishing and other production activities.Cable structure is symmetrical, simple, compact, processing is convenient, material cost is low, multipurpose is conducive to reducing breeder investment.
Owner:HUIZHOU JINLONGYU CABLE IND DEV CO LTD

An undersea telecommunications cable

ActiveCN115497673BFloating cablesSubmarine cablesTelecommunications cableSolenoid valve
The application provides a submarine communication cable, relates to the cable field, and comprises a core and an inner protective layer, a shielding layer and an outer protective layer which are sequentially wrapped from inside to outside, further comprises an elastic layer and a gas delivery assembly, the elastic layer is wrapped outside the outer protective layer, there is a gap between the outer protective layer and the elastic layer, and the gas delivery assembly is located in the gap; the gas delivery assembly comprises a gas delivery pipe, solenoid valves and a bus, the gas delivery pipe is connected with the solenoid valves, and the solenoid valves are arranged at equal intervals along the axial direction of the gas delivery pipe; a plurality of radial partitions are arranged in the gap, the radial partitions are arranged around the outer protective layer, the inner ring of the radial partitions is fixedly connected with the outer side surface of the outer protective layer, and the outer ring is fixedly connected with the inner side surface of the elastic layer; the radial partitions divide the gap into a plurality of annular cavities, the gas delivery pipe penetrates through the radial partitions, and the solenoid valves are located in the annular cavities, respectively; the bus is fixed to the outer surface of the gas delivery pipe, and the solenoid valves are connected with the bus, respectively.
Owner:JIANGSU MINGYANG CABLE

Photovoltaic cable

ActiveCN223770849UClimate change adaptationFloating cablesCopper conductorFiber
The utility model discloses a photovoltaic cable, which comprises a carbon fiber wire positioned in the center, a plurality of copper wires twisted on the carbon fiber wire to form a copper conductor, an insulating layer coated on the surface of the copper conductor, an inner sheath layer coated on the outer surface of the insulating layer, and an outer sheath layer coated on the outer surface of the inner sheath layer, a metal braid layer is arranged between the outer sheath layer and the inner sheath layer, and the metal braid layer is formed by weaving a plurality of metal wires; a plurality of holes are arranged in the outer sheath layer, and the volume of the holes accounts for 40-60% of the volume of the outer sheath layer. According to the photovoltaic cable provided by the utility model, the tensile property of the cable is improved, the cable pair is prevented from being damaged when the cable is dragged, so that the dragging construction of the cable is facilitated, and the layering between the outer sheath layer and the inner sheath layer after long-term use is also avoided.
Owner:WUXI XINHONGYE WIRE & CABLE

High-reliability water-blocking double-core photovoltaic cable for floating on sea

The invention relates to the technical field of cables, and particularly discloses a high-reliability water-blocking double-core photovoltaic cable for floating on the sea, the cable comprises two cable cores which are distributed in parallel, each cable core comprises a conductor, an insulating layer wrapping the outer side of the conductor and a waterproof layer wrapping the outer side of the insulating layer, the two cable cores which are distributed in parallel are wrapped with a sheath, and the sheath is wrapped with a waterproof layer. The sheath connects the two cable cores along the transverse direction to form an integral double-core photovoltaic cable; and a plurality of steel wires distributed along the longitudinal direction of the sheath are also arranged in the sheath. The sheath is prepared from the following components in parts by weight: 15 to 30 parts of ethylene-vinyl acetate copolymer, 15 to 30 parts of polyethylene, 5 to 20 parts of ethylene-octylene copolymer, 5 to 20 parts of modified basalt, 4 to 10 parts of thermoplastic polyurethane, 2 to 6 parts of compatilizer, 0.5 to 5 parts of hyperbranched polyester, 0.5 to 4 parts of cross-linking agent, 60 to 100 parts of flame retardant and 0.5 to 5 parts of other auxiliaries. The cable has excellent mechanical properties, heat aging resistance and salt spray resistance.
Owner:YUNNAN QIANLIE CABLE GRP

Method for manufacturing a fatigue-resistant subsea high-voltage dynamic cable for deep offshore floating wind power

PendingCN122224620ACommunication cablesFloating cables
The application provides a manufacturing method of an anti-fatigue submarine high-voltage dynamic cable for deep-sea floating wind power, and relates to the technical field of submarine cable manufacturing.The method comprises the following steps: treating oxygen-free copper wire to form a water-blocking copper conductor; coating a semiconductive material on the surface to form a semiconductive conductor shielding layer; coating XLPE cross-linked polyethylene material to form an XLPE cross-linked polyethylene insulation layer; coating a semiconductive material on the surface to form a semiconductive insulation shielding layer; twisting copper wire on the surface of the semiconductive insulation shielding layer to form a copper wire shielding layer, and winding copper tape to form a copper tape shielding layer; extruding an inner layer of high-density polyethylene sheath layer on the surface of the copper tape shielding layer; arranging an optical fiber unit and aramid fiber reinforcing rib on the outer surface of the inner layer of high-density polyethylene sheath layer to form an optical fiber unit and aramid fiber reinforcing rib filling layer; coating high-carbon steel wire to form a double-layer galvanized steel wire armor layer; and extruding an outer layer of high-density polyethylene sheath layer on the surface of the double-layer galvanized steel wire armor layer to form a cable.
Owner:FAR EAST SUBMARINE CABLE CO LTD

Photovoltaic cable with self-floating water-blocking function

The utility model provides a photovoltaic cable with a self-floating water-blocking function, and the cable comprises a plurality of wire cores, insulating layers which wrap the peripheries of the wire cores, a water-blocking layer group which wraps the peripheries of the insulating layers, a buoyancy filling assembly which is disposed between the insulating layers and the water-blocking layer group, and a reinforcing layer group which wraps the peripheries of the water-blocking layers. The buoyancy filling assemblies are made of materials with the buoyancy density ranging from 0.78 g / cm < 3 > to 0.85 g / cm < 3 >, after the buoyancy filling assemblies are filled in the cable, the cable can be laid on the sea surface by means of the buoyancy of the cable, the cable does not need to be arranged on a floating body support, the cable can be directly placed on the sea surface to complete cable routing work, the cable routing difficulty is reduced, and the service life of the cable is prolonged. The cable can be prevented from being directly exposed in the sun, the aging speed of the cable is reduced, the service life of the cable is prolonged, and the cable has the advantages of simple structure, labor cost saving and convenience in popularization and implementation.
Owner:GUANGZHOU CABLE FACTORY CO LTD

A clean cable with bending resistance for a semiconductor device air floating motion platform

ActiveCN120748817BCoupling device connectionsFloating cablesPartial gravityElectrical conductor
The application discloses a kind of clean cable of semiconductor equipment air floatation movement platform with bending resistance, belong to cable technical field, including cable body and be used for the installation base of cable body limit, cable body includes combination conductor, combination conductor both ends are connected with terminal, terminal is connected with installation base by fixing part, terminal end is provided with installation wind cover, and force arm traction piece is provided on terminal for reducing the pressure of combination conductor.The application is provided with air passage in the cable, and the opening and closing air hole is provided with dynamic adjustment in the air passage, and the upward buoyancy is generated when releasing trace gas in linear motion, the normal pressure of motion platform is effectively reduced by cable dead weight, the friction and abrasion when cable movement are reduced, the opening and closing air hole is automatically opened when cable bending is stretched, the air impact baffle generates counterthrust, and dynamic support is provided for the cable of bending place, the influence of partial gravity is offset, and the interference of air floatation movement platform is reduced.
Owner:SHENZHEN JINYANG ELECTRONICS CO LTD

Watertight floating differential signal ocean exploration cable

The utility model relates to the technical field of cables, in particular to a watertight floating differential signal ocean exploration cable, which comprises an integral cable core and a protection structure arranged outside the integral cable core. Wherein the integral cable core comprises a differential signal cable, a control cable and a power cable; the differential signal cable comprises a plurality of twisted-pair structures, each twisted-pair structure comprises two differential signal wire cores which are used for transmitting two signals with the same amplitude and opposite phases, and data are obtained through the difference value of the two signals. When interference occurs, interference signals act on the two differential signal wire cores at the same time, obtained data are not affected, and the anti-interference capacity of signal transmission is improved. The problem that the weight of the cable is increased due to the metal shielding layer in the prior art is solved. In addition, the cable can bear certain underwater pressure and water is prevented from entering the cable by filling the water-blocking glue and the water-blocking tape; by arranging the buoyancy filler and the buoyancy adjusting layer, the density of the cable is reduced.
Owner:HENAN TONGDA ACER TECHNOLOGY CO LTD

Offshore low-voltage power cable

ActiveCN223728504UClimate change adaptationFloating cablesGlass fiberPower cable
The utility model provides an offshore low-voltage power cable. The offshore low-voltage power cable comprises a plurality of cable core assemblies, a sheath assembly and a filling part, the sheath assembly comprises a glass fiber belt, an aluminum alloy composite belt and an outer sheath which are sequentially arranged on the peripheries of the cable core assemblies in a wrapping mode, and the aluminum alloy composite belt is arranged in a longitudinal wrapping mode; the filling member is arranged in the sheath assembly, and the filling member is filled among the plurality of cable core assemblies. In the offshore low-voltage power cable provided by the invention, the glass fiber tape has relatively good tensile strength and corrosion resistance, and the aluminum alloy composite tape is made of an aluminum alloy composite material, has relatively good anti-extrusion strength, and can replace a steel tape armor layer. Besides, the aluminum alloy composite belt is wrapped on the periphery of the glass fiber belt in a longitudinal wrapping mode, a closed structure can be formed, seawater, salt mist and the like are prevented from entering the cable, excellent waterproof performance is achieved, and therefore the service life of the cable is prolonged.
Owner:ZHONGTIAN TECH SUBMARINE CABLE CO LTD +1

Offshore floating wind power generation cable

The invention discloses an offshore floating wind power generation cable, and relates to the technical field of wind power generation cables, the offshore floating wind power generation cable comprises a conductor, a shielding layer is sleeved outside the conductor, an insulating layer is arranged on the outer side of the shielding layer, the offshore floating wind power generation cable further comprises a waterproof layer and a protective sleeve, and a warning buoy is arranged in the waterproof layer. The warning buoy is fixedly connected to the waterproof layer through a string, at least two warning boxes are fixedly connected to the circumferential wall of the waterproof layer, the bottom of each warning box is rotationally connected with a rotating shaft, and at least two metal balls are fixedly connected to the side wall of each rotating shaft. The purpose of dispersing fish schools is achieved, the impact force of the fish schools on the conductor when the fish schools pass through the waterproof layer is reduced, damage to the connecting portion of the conductor and the wind power generation equipment is avoided, and when a diver makes contact with the protective sleeve, sound generated by the metal balls and the metal plates can warn the diver and remind the diver to be away from the protective sleeve.
Owner:余佳佳

Rigid submarine power cable joint

To provide a rigid submarine power cable joint for connecting a multicore DC dynamic submarine power cable to a static submarine power cable on the seabed.SOLUTION: A rigid submarine power cable joint 7 comprises an outer casing 7a. The outer casing 7a includes a first axial end face 7b and a second axial end face which is in an axial end of the outer casing 7a at an opposite side of the first axial end face 7b. The first axial end face 7b includes a single opening 7c in which a multicore dynamic submarine power cable is received, and the second axial end face includes two openings for receiving respective single-core submarine power cables.SELECTED DRAWING: Figure 3a
Owner:NKT HV CABLES AB

Floating cable special for underwater robot

The utility model relates to the technical field of cables, in particular to a floating cable special for an underwater robot. Comprising an outer cable and multiple groups of cable cores in the outer cable, an outer wrapping layer is arranged in the outer cable and surrounds the multiple groups of cable cores, multiple groups of cylindrical holes are formed in the outer wrapping layer, multiple groups of strip-shaped columns are placed in the cylindrical holes, and the strip-shaped columns are filled with gas with the density smaller than that of water. The cable is made of a normal material, the floating force is improved through the gas in the strip-shaped columns in the wrapping layer, and the service life of the cable can be guaranteed while floating is achieved.
Owner:NANYANG CABLE TIANJIN

Power cable

PendingCN121416185AFloating cablesPower cablesPower cableWater flow
The invention relates to the technical field of floating cables, and particularly discloses a power cable which comprises a cable body, a self-cleaning assembly is arranged on the cable body, the overall density of the cable body and the self-cleaning assembly is smaller than the density of water, and the self-cleaning assembly comprises a first rotating sleeve and a second rotating sleeve. The first rotating sleeve and the second rotating sleeve are uniformly arranged on the cable body in a sleeving manner and can rotate relative to the axis, a plurality of connecting parts are arranged on the two end surfaces of the rotating sleeves, a rope-shaped connecting piece is arranged between every two adjacent rotating sleeves, and the two ends of the rope-shaped connecting piece are connected with the connecting parts on the two rotating sleeves respectively; blades I are arranged on the outer circumferential surface of the rotating sleeve I at equal intervals, the rope-shaped connecting piece rotates around the cable body, continuous wiping can be formed on the surface of the cable body, biological larvae are prevented from being planted on the surface, and meanwhile, the rotating blades I and blades II can also disturb surrounding water flow to form local vortexes to further interfere the biological attachment environment.
Owner:河北盛鹏线缆有限公司

Rectangular heavy-load cable for ships and preparation method thereof

The invention discloses a rectangular heavy-load cable for ships and a preparation method thereof, and belongs to the technical field of cables for ships and ocean engineering. According to the rectangular heavy-load cable, a plurality of conductive cables are arranged in rows and columns to form a rectangular cable array, and a segmented structure in which glue injection constraint sections and non-glue injection flexible sections are alternately distributed is arranged in the length direction of the cable, so that the cable forms non-uniform rigidity distribution in the length direction. Meanwhile, the bending rigidity of the cable in the transverse direction and the longitudinal direction is different through the rectangular section structure, the two-dimensional different-rigidity characteristic is formed, and regular bending and winding forms of the cable in the laying and recycling process are facilitated. The glue injection restraining section injects a glue material into the cable array to achieve integral forming and restraining, and the exterior of the glue injection restraining section is coated with a foam buoyancy material so as to adjust the integral buoyancy state of the cable. The cable is clear in structure, and is suitable for ship and ocean engineering operation cables under large-size and heavy-load working conditions.
Owner:DALIAN UNIV OF TECH +2

A kind of acquisition transmission module and offshore seismic exploration acquisition cable to which it is applied

The application belongs to the technical field of marine exploration equipment, and discloses a collection transmission module and an offshore seismic exploration collection cable applying the same. The collection transmission module is embedded in a reserved window of the collection cable, and comprises: two waterproof end blocks which are fusionally connected with the cable core wire and the cable sheath layer and are used for axial limiting and end sealing; a protective shell which is internally provided with a space for accommodating a collection control circuit board; two fixed end caps which are used for fixing the shell; a limiting assembly which is composed of an inner lining ring, a limiting block and a limiting pillar and is connected between the waterproof end block and the fixed end cap; and the collection transmission module is integrally solidified by filling the gaps between the components through an internal adhesive structure, and is integrally coated by an injection molding protective layer on the outside. The collection transmission module solves the problems that the module is prone to loosening, poor sealing and difficult to maintain in a complex marine environment, and significantly improves the stability and reliability of seismic data collection.
Owner:CHINA OILFIELD SERVICES LTD

A buoyancy block that enables rapid opening and closing locking.

ActiveCN115376731BSimplify the disassembly processFast take-up and pay-off speedFloating cablesPivotal connections
This invention discloses a buoyancy block capable of rapid opening and closing locking, belonging to the field of buoyancy blocks. It includes two floats connected by hinges, each float having a cable-carrying groove that, when joined, forms a cable-carrying hole. The two floats are also connected by an opening and closing device, which includes a connecting mechanism and a locking slot. The connecting mechanism includes a sliding rod, an elastic reset member, and a locking pin. The sliding rod is slidably connected to one of the floats, the elastic reset member is connected between the sliding rod and the float, and the locking pin is fixedly connected to the sliding rod. The locking slot is fixed to the other float, and has a receiving groove for accommodating the sliding rod. One side of the top of the locking slot has a guide bevel for guiding the movement direction of the locking pin when the two floats close together. One end face of the locking slot connected to the guide bevel has a locking pin groove adapted to the locking pin. This invention has a simple structure and reasonable design, which can improve the efficiency of cable reeling and unloading and reduce manpower consumption.
Owner:THE 23RD RES INST OF CHINA ELECTRONICS TECH GRP CORP

Special high-flexibility tensile floating cable for underwater robot

The utility model relates to the technical field of cables, and discloses a special high-flexibility stretch-resistant floating cable for an underwater robot, which comprises two cable outer sheaths, a waterproof sleeve and a plurality of bolts, the right end of the cable outer sheath on the left side is fixedly connected with a plug, the left end of the cable outer sheath on the right side is fixedly connected with a socket, and the waterproof sleeve is fixedly connected with the plug. The outer walls of the two cable outer sheaths are fixedly connected with sealing rings, the outer wall of the waterproof sleeve is fixedly connected with an anti-wear sleeve, and the interior of each cable outer sheath is provided with a tensile mechanism. According to the utility model, the waterproof sleeve is moved to the interface, the bolt is in threaded connection with the inner walls of the plug and the socket, the waterproof sleeve not only can be tightly connected with the two cables, but also can prevent water from entering the interface between the two cables, and the arrangement of the sealing ring further improves the sealing performance of the interface. Therefore, the cable can be normally used underwater, and the service life of the cable is prolonged.
Owner:JIANGSU QIAOPU WIRE & CABLE CO LTD

Photovoltaic cable for sea surface wind power system

ActiveCN223828259UClimate change adaptationFloating cablesCopper conductorAramid
The utility model discloses a photovoltaic cable for a sea surface wind power system, which comprises a copper conductor formed by twisting a plurality of copper conductors, the surface of the copper conductor is coated with an insulating layer, an inner sheath layer is coated on the outer surface of the insulating layer, and an outer sheath layer is coated on the outer surface of the inner sheath layer; a grid weaving layer is arranged between the outer sheath layer and the inner sheath layer, the grid weaving layer is formed by weaving a plurality of aramid fibers and a plurality of metal wires in a warp and weft mode, the length direction of the aramid fibers is parallel to the axial direction of the cable, the aramid fibers are arranged in the circumferential direction of the cable at equal intervals, the length direction of the metal wires is the circumferential direction of the cable, and the length direction of the metal wires is parallel to the axial direction of the cable. The plurality of metal wires are arranged at equal intervals along the axial direction of the cable. According to the photovoltaic cable for the sea surface wind power system, the tensile performance of the cable is improved, the cable is convenient to drag, and the anti-electromagnetic interference performance of the cable is improved.
Owner:WUXI XINHONGYE WIRE & CABLE

An artificial intelligence underwater robot cable

PendingCN122136076AFloating cablesSubmarine cablesAlgorithmAirbag
This invention relates to the field of cable technology, specifically to an artificial intelligence underwater robot cable, comprising a cable body. The cable body is characterized by uniformly distributed node airbags, each airbag enclosing the outside of the cable body, with a gap between the airbag and the cable body. Connecting joints are fixedly installed at both ends of the airbags. An inflation mechanism for inflating the airbags is installed on the cable body. The outer wall of the airbag has two layers, with a mesh-like elastic metal mesh sandwiched between them as a shielding layer. This invention avoids the need for a thick, low-density buoyancy adjustment layer inside the cable, making the cable easier to bend and thus facilitating the movement of the intelligent underwater robot. In water environments of varying densities, different volumes of gas can be injected into the airbags to adapt to different water densities.
Owner:ZHEJIANG LEAP CABLE

A rectangular heavy-duty cable for ships and its manufacturing method

A rectangular heavy-duty cable for ships and its manufacturing method are disclosed, belonging to the technical field of cables for ships and marine engineering. This rectangular heavy-duty cable consists of multiple conductive cables arranged in rows and columns to form a rectangular cable array. Along the cable's length, it features an alternating structure of glue-injected constrained sections and non-glue-injected flexible sections, resulting in a non-uniform stiffness distribution along the cable's length. Simultaneously, the rectangular cross-section structure causes differences in bending stiffness in the transverse and longitudinal directions, creating a two-dimensional heterogeneous stiffness characteristic, which is beneficial for the cable to form regular bending and winding patterns during deployment and retrieval. The glue-injected constrained sections are integrally formed and constrained by injecting a glue material into the cable array, and are then covered with foam buoyancy material to adjust the overall buoyancy of the cable. This invention has a clear structure and is suitable for applications of large-size, heavy-duty cables in ship and marine engineering operations.
Owner:DALIAN UNIV OF TECH +2

A floating cable

This utility model belongs to the field of cable technology, specifically a floating cable, comprising: a central load-bearing component, a conductor, a closed-cell foam layer, a water-blocking filling layer, an inner sheath, a spiral reinforcing rib, a buoyancy adjustment layer, an outer sheath, and an adjusting valve. The conductor is encased within the closed-cell foam layer, the water-blocking filling layer is wrapped around the outside of the closed-cell foam layer, the inner sheath is compressed and encased in the water-blocking filling layer, the spiral reinforcing rib is spirally wound around the surface of the inner sheath, the buoyancy adjustment layer is embedded inside the outer sheath, and the adjusting valve is connected to the buoyancy adjustment layer. This utility model provides dual-stage buoyancy through the closed-cell foam layer and the buoyancy adjustment layer, enabling the cable to have good buoyancy without the need for auxiliary structures. Furthermore, the buoyancy adjustment layer can be appropriately adjusted via the adjusting valve, thereby changing the overall buoyancy of the cable and adjusting its position in the water, making it highly practical.
Owner:ZHEJIANG ANDA WIRE & CABLE CO LTD

Zero-buoyancy composite cable structure and cable

The invention discloses a zero-buoyancy composite cable structure and a cable, and relates to the technical field of cables. Comprising a composite function cable core unit, an intelligent buoyancy adjusting system, a gradient density protection system and a closed-loop control system, the intelligent buoyancy adjusting system, the gradient density protection system and the composite function cable core unit are sequentially arranged outside the composite function cable core unit, and the intelligent buoyancy adjusting system is electrically connected with the closed-loop control system. The four functions of power transmission, high-speed communication, environment monitoring and buoyancy control are deeply integrated in a single cable structure, the overall architecture of an underwater system is greatly simplified, the laying difficulty and the total cost of the system are reduced, and a key technical support is provided for constructing a more intelligent and more efficient underwater operation platform.
Owner:SHANGHAI ROUSHENG WIRE & CABLE CO LTD

Submarine cable applicable to floating wind turbine, and processing method therefor

PCT designated stageWO2026051587A1Floating cablesSubmarine cablesMarine engineeringWater block
The present invention provides a submarine cable applicable to a floating wind turbine, and a processing method therefor. The submarine cable applicable to a floating wind turbine comprises: a dynamic cable, a static cable, and a connector. In the dynamic cable, a first power unit and a first optical fiber unit are arranged on the inner side of a first inner sheath layer, and a first armor layer, a second armor layer, and a first outer sheath layer are successively arranged on the outer periphery of the first inner sheath layer. In the static cable, a second power unit and a second optical fiber unit are arranged on the inner side of a second inner sheath layer, and a third armor layer and a second outer sheath layer are successively arranged on the outer periphery of the second inner sheath layer. The first power unit and the second power unit are formed into a one-piece member. The first optical fiber unit and the second optical fiber unit are formed into a one-piece member. The first inner sheath layer and the second inner sheath layer are formed into a one-piece member. The first armor layer and the third armor layer are formed into a one-piece member. The connector has an accommodating cavity for accommodating the connection between the second armor layer and the second outer sheath layer, or accommodating the connection between the second armor layer and the third armor layer; and the accommodating cavity is filled with a water blocking glue.
Owner:ZHONGTIAN TECH SUBMARINE CABLE CO LTD +3