498results about "Anchors" patented technology

A sand anchoring kit for watercraft including a floating raft assembly, a rope assembly, and a bag assembly. The floating raft assembly includes a floating raft. The floating raft can be inflated or deflated. The rope assembly includes a rope. The bag assembly includes a bag. The bag can store the floating raft when deflated and the rope. The bag can be filled with sand and attached to the floating raft through the rope to be used as an anchor. The bag is closed with the sand thereinto. The bag sinks and anchors the floating raft when inflated in a predetermined position in a water body.

The invention relates to the technical field of ocean engineering and hydrological observation equipment, and discloses a self-powered hydrological detection device self-adaptive to seabed erosion and deposition changes, comprising a self-powered system comprising a vertical shaft eccentric helical blade, a rotor cross bar and a rotor vertical shaft, the bottom of the rotor vertical shaft is connected with a power generation module, and the bottom of the rotor vertical shaft is connected with a power supply module; the two rotor cross rods are sequentially arranged on the outer wall of the rotor vertical shaft from top to bottom, the outer walls of the three vertical shaft eccentric spiral blades are installed on the rotor cross rod triangles respectively, and the power generation module is electrically connected with an energy management unit. Through linkage control of the terrain adaptability system and the LSTM prediction model, on one hand, dynamic adjustment of the anchoring depth of the support can be achieved, and instrument displacement or burying is avoided; on the other hand, overall lifting and oblique movement of the device can be achieved, and equipment recovery and detection position conversion are facilitated; and meanwhile, an ocean current-temperature difference complementary power generation and intelligent energy storage system is adopted, so that five-year maintenance-free continuous power supply is realized.

The application provides a torpedo anchor and a use method thereof, and relates to the technical field of anchoring equipment. The torpedo anchor comprises an anchor body, an anchor head, an inflatable air bag and an electric control igniter. The anchor body comprises a plurality of sub-anchor bodies which are sequentially nested. The top plates of any two sub-anchor bodies nested with each other have an accommodating space therebetween. The anchor head is fixedly connected with the bottom of the innermost sub-anchor body. The inflatable air bag is used for placing an explosive agent. The accommodating space is provided with the inflatable air bag. The electric control igniter is used for igniting the explosive agent. The length of the torpedo anchor after penetrating into the stratum is lengthened by using the air bag inflation impact method, so as to increase the contact area and friction force of the torpedo anchor and the stratum, and significantly improve the pullout bearing capacity of the torpedo anchor. The cooperation structure of each sub-anchor body in the application is simple and has high stability, and does not need a complex mechanical structure. Therefore, the torpedo anchor still has good stability on the premise of realizing the stretching of the torpedo anchor in the bottom layer.

A floating power-generation group comprises a floating hub such as a spar buoy that is anchored to subsea foundations by anchor lines. Floating power producer units such as wind turbines are connected electrically and mechanically to the hub. The power producer units are each moored by mooring lines. At least one mooring line extends inwardly toward the hub to effect mechanical connection to the hub and at least one other mooring line extends outwardly toward a subsea foundation. The groups are combined as a set whose hubs are connected electrically to each other via subsea energy storage units. Anchor lines of different groups can share subsea foundations. The storage units comprise pumping machinery to expel water from an elongate storage volume and generating machinery to generate electricity from a flow of water entering the storage volume. The pumping machinery can be in deeper water than the generating machinery.

The invention belongs to the technical field of underwater salvage, and particularly relates to an underwater salvage device for sea rescue, the underwater salvage device comprises a salvage robot, a moving track recording device and a steering assembly, the moving track recording device is mounted on a shell of the salvage robot, and the steering assembly is mounted in the middle of the salvage robot. And the steering assembly is used for correcting the track of the fishing robot. According to the device, the propeller enables the device to quickly move forwards, the position needing to be fished is preset, namely, the moving track of the fishing robot is a set route, the fishing robot dives to the position near the fishing position during fishing, and the first driving suction cup structure on the fixed rear foot seat is aligned to the seabed or reef during moving; the PLC is used for programming and controlling the adsorption assembly and the steering assembly to perform coordinated operation, so that the salvage robot can stably advance according to a set route until the salvage robot moves to a salvage position, and the salvage assembly can perform salvage treatment.

The invention discloses an offshore photovoltaic platform anchoring system, which relates to the field of offshore photovoltaic technology and comprises an anchoring foundation and a mooring traction piece, an anchor block assembly of the anchoring foundation comprises at least two separable anchor block pieces, a plurality of connecting pieces are arranged on the anchor block pieces, and the at least two anchor block pieces are fixed to a base assembly through a fixing assembly. The mooring traction piece is connected with the anchor block pieces and the floating photovoltaic platform and comprises an elastic cable section, a non-elastic cable section and a connecting section which are sequentially connected, the elastic cable section comprises a main elastic piece and a redundant limiting piece connected with the main elastic piece in parallel, and a balance weight piece is arranged at the joint of the elastic cable section and the non-elastic cable section; and the inelastic cable section comprises a protective sleeve. According to the gravity anchor, the split anchoring foundation and the mooring traction piece designed in a segmented mode are adopted, the transportation and construction convenience of the gravity anchor is improved, and meanwhile the durability and reliability of the cable can be guaranteed.

The invention relates to the technical field of vibration reduction control of an offshore wind power structure, and discloses a vibration reduction and energy dissipation anchor chain for a floating type offshore wind power structure and a using method.The vibration reduction and energy dissipation anchor chain comprises an anchor chain fixing ring installed on a drum body of a tower drum located on a floating platform; the vibration reduction assembly comprises a plurality of vibration reduction anchor heads and a plurality of flexible anchor chains, the tail ends of the vibration reduction anchor heads are connected with the anchor chain fixing ring through the flexible anchor chains, and the head ends of the vibration reduction anchor heads stretch into a seabed foundation and are used for anchoring and vibration reduction of the tower drum. The floating platform is connected with a suction barrel foundation in a seabed foundation through the flexible anchor chain; and the energy dissipation assembly comprises a plurality of anchor chain energy dissipation pieces, and the anchor chain energy dissipation pieces are installed on the flexible anchor chain and used for conducting vibration reduction and energy dissipation on the flexible anchor chain. The device has the advantages of being flexible in arrangement, adjustable and controllable, vibration reduction and energy dissipation are achieved for a wind power structure floating on the sea, and then the service life of the offshore wind power structure is prolonged.

The invention relates to a mooring self-recovery floating renewable energy hydrogen production omni-directional angle test platform which comprises a floating foundation floating on the sea surface, a self-recovery mooring device is installed on the top of the floating foundation in a matched mode, an upper box body is concentrically installed on the top of the floating foundation, the upper box body comprises the self-recovery mooring device, and the self-recovery mooring device is installed on the top of the floating foundation in a matched mode. The top of the upper box body is cooperatively provided with a rotating device, a to-be-tested device is placed on the rotating device, and the to-be-tested device is driven by the rotating device to rotate, so that the angle between the to-be-tested device and the wave direction is adjusted; the boat anchor is anchored and fixed through the self-recovery mooring device, so that the floating foundation stays in the target sea area, and the performance of the device to be tested is tested in the target sea area. The to-be-tested device can be carried to an open sea area for testing, so that the operation state and the operation effect of the to-be-tested device in an open sea motion environment can be effectively verified.

The invention provides a multi-chain bidirectional load-bearing suction anchor foundation structure which comprises an annular barrel wall, a barrel top cover plate is arranged at the top of the annular barrel wall, an in-barrel reinforcing structure is arranged in the annular barrel wall, a plurality of anchor eye units are arranged on the outer side of the annular barrel wall, and each anchor eye unit comprises anchor eye structures symmetrically arranged on the annular barrel wall. The anchor eye structure in each anchor eye unit is of a double-anchor-eye structure or a single-anchor-eye structure, and the included angles between the adjacent anchor eye structures on the annular barrel wall are equal. The invention provides a one-anchor multi-chain bidirectionally-loaded shared anchoring foundation, the bearing capacity of the anchoring foundation is effectively exerted, the cost of a mooring system is reduced, and a new choice of the anchoring foundation is provided for floating type wind power.

The invention discloses a separated type double-head torpedo anchor device and an operation method thereof. The device comprises an anchor rod, a first anchor head movably arranged in an inner cavity of the anchor rod, a second anchor head located below the first anchor head and an anchor chain connected between the first anchor head and the second anchor head. Wherein the second anchor head is detachably installed at the bottom of the anchor rod through a connecting limiting assembly and can be separated from the anchor rod under the reaction force of a seabed soil layer and the external upward pulling force effect after the torpedo anchor is inserted into the seabed soil layer. After the torpedo anchor penetrates into a soil body, the mooring anchor chain is vertically pulled to enable the anchor rod to be separated from the second anchor head, a gap generated in the middle can be covered with silt, and the vertical pulling resistance of the torpedo anchor is greatly improved; through the cooperation effect of the water flowing channel and the tail rotor assembly, water flow drives the tail rotor assembly to rotate in the falling process of the torpedo anchor, the torpedo anchor can be controlled to keep the vertical falling posture, the angle of the torpedo anchor penetrating into the seabed soil layer is close to be vertical, and the horizontal tensile moment of the torpedo anchor can be further increased.

The invention discloses an integrated floating platform system for multi-source ocean energy cooperative power generation and photovoltaic hydrogen production. The integrated floating platform system comprises a mooring power generation system, a photovoltaic hydrogen production platform and a vortex-induced vibration piezoelectric power generation system. The mooring power generation system comprises a mooring cable with an elastic cable, and the elastic cable is connected with a piezoelectric power generation device in series. The mooring rope is connected with the wave energy power generation anchor; the piezoelectric power generation device comprises an elastic unit connected in series on the elastic cable; the wave energy power generation anchor comprises a shell, the shell comprises a main cavity, and the main cavity communicates with branch cavities; an elastic film covers the opening of the sub-chamber; the main chamber and the branch chambers are divided into a first air passage and a second air passage; an air turbine is arranged in the first air channel; the first air channel is connected with a communicating pipe; a check valve is arranged between the communicating pipe and the first air channel; the vortex-induced vibration piezoelectric power generation system comprises an air cylinder with a piston rod, the piston rod is connected with an oscillation floater, an air turbine is arranged in the air cylinder, a second piezoelectric plate is arranged outside the air cylinder, and a spoiler is arranged at the end of the second piezoelectric plate. According to the invention, integration of offshore power generation and hydrogen production is realized, and the energy utilization rate is improved.

A support system for outboard marine motors at the transom of a boat includes a support device having a first part that is integral with the transom and a second part that is integral with the outboard motor. The second part is translatable with respect to the first part, so that the second part moves according to an orientation in the distancing or approaching direction of the water line of the boat. A control unit is configured to set the position of the second part with respect to the first part and to generate control signals, so as to move the second part in the direction of immersion of the propeller of the outboard motor.

The invention discloses a plate anchor based on telescopic fins. The plate anchor comprises a plate anchor shell, a plurality of fins, a driven gear, a meshing pinion, a transmission rod piece and a power module. The plate anchor shell comprises two circular sheets of which the centers are fixedly connected; the fins are the same in shape and composed of fan-shaped faces and arc faces, and cavities are formed in the fins. One end of the fixing rod is fixedly connected with the cambered surface, and the other end of the fixing rod is provided with a limiting block; arc-shaped guide grooves with the same number as the fins are formed in the driven gear; the transmission rod piece is provided with a plurality of branches, and a cavity is formed in each branch to insert the fixing rod. One of the branches is a fan-shaped branch, and a meshing pinion and a power module are mounted at the top end of the fan-shaped branch; the power module provides power for the meshing pinion; the meshing pinion is meshed with the driven gear, and the limiting stopper slides along the guide groove along with rotation of the driven gear, so that the fixing rod on the wing panel moves in the direction away from the circle center, and extension of the wing panel is achieved. The anchoring performance of the plate anchor is improved, and the structural reliability is high.

The invention relates to the technical field of ocean renewable energy utilization, and discloses a wave energy device anti-typhoon anchoring system which comprises a base floating body. The base floating body comprises an overwater floating body and an underwater floating body, the overwater floating body is connected to the top of the underwater floating body, and an opening is formed in the underwater floating body; the wave absorbing assembly is mounted on the water floating body; the density of the ballast floating body is greater than that of the seawater; the fixing assembly is installed on the base floating body, and the fixing assembly is used for fixing the ballast floating body located in the open hole; the first end of the rope is connected with the ballast floating body, and the second end of the rope is connected with the underwater floating body; and the anchoring assembly is connected with the underwater floating body. The invention aims to provide the anti-typhoon anchoring system of the wave energy device, which can reduce the anchoring load and ensure that the system can operate more stably and safely.

A system for controlling a marine vessel comprises an input device for inputting an operator command, a sensor which senses and signals an engine function variable or a vessel dynamic variable, and a first structural element and a second structural element. The first structural element and the second structural element each control speed or direction of motion of the marine vessel, and the first structural element and the second structural element each affect the marine vessel dynamic variable. There is a controller which receives the operator command and the engine function variable or the vessel dynamic variable. The controller moves the first structural element and the second structural element based on the engine function variable or the vessel dynamic variable, after receiving the single operator command.

The invention discloses a suction anchor and a positioning mechanism thereof. The suction anchor comprises a barrel, a balancing weight, a limiting disc, a first inner pipe, a second inner pipe, a rotating plate, an elastic piece, a clamping piece, a communicating hose and a pull rope. A second inner pipe moving downwards enables a rotating plate to automatically clamp a limiting disc and drive a balancing weight to move upwards, after the balancing weight moves to a high height, the rotating plate makes contact with a T-shaped rod, the bottom of the rotating plate relieves clamping of the limiting disc, and therefore the balancing weight moves downwards, a positioning plate is knocked under the action of the balancing weight, the downward sedimentation process of the whole barrel is accelerated, and the service life of the barrel is prolonged. The injection efficiency is accelerated; meanwhile, an air pump is used for inflating through a communicating hose, so that the balancing weight quickly descends to impact the positioning plate, and the penetration efficiency is further enhanced; the balancing weight knocks the positioning plate under the action of downward movement of gravity and air pressure, on one hand, the barrel rapidly descends, on the other hand, the balancing weight knocks the inserting rod, the inserting rod goes deep into the seabed, and the positioning and stabilizing effect is improved.

A disconnectable mooring system for offshore semi-submersible floating structures. A disconnectable buoy has a number of mooring lines which include a buoy chain between the mooring chain and the buoy. The mooring chain and the buoy chain are connected via a three way mooring connector, with the third connection configured to pull the mooring connector to a mooring point on the structure. In a first configuration the buoy is disconnected and supports the mooring chains for recovery at shallow depths to be pulled in. In a second configuration, the mooring lines are pulled in via the mooring connectors thereby providing a spread mooring to the structure with the buoy chain left as a catenary between the buoy and mooring point.

The application discloses a marine floating photovoltaic bionic anchoring foundation, which comprises a hollow pile body and a plurality of anti-pulling bionic roots, wherein a plurality of bionic root guide pipes are vertically arranged on the inner wall of the upper part of the pile body in the circumferential direction, the bionic root guide pipes are communicated with the outside of the pile body through bionic root guide outlets arranged in the middle part of the pile body, and the anti-pulling bionic roots are arranged in the corresponding bionic root guide pipes; the bottom of the bionic root guide pipe is formed with an end limiting wedge; the anti-pulling bionic root can be pushed downward along the bionic root guide pipe under the action of external force, and is turned and stretched out from the bionic root guide outlet under the action of the end limiting wedge, and then is inserted into the weak part of the soil body, and then the anti-pulling force is generated through jet grouting solidification. The application greatly improves the anti-pulling capacity of the whole photovoltaic bionic anchoring foundation, has high pile body stability, low construction cost and is friendly to the environment.

Various aspects include devices, systems, and methods for securing an anchoring element to a seafloor. The methods may use a subsea anchorage installation system that may include a subsea grout supply assembly. The subsea grout supply assembly may include a variable volume grout storage chamber, a paddle, and a subsea grout pump. The variable volume grout storage chamber may be configured to transport dry grout to a seafloor. The variable volume grout storage chamber may include a water injection port configured to receive water for mixing with the dry grout on the seafloor. The variable volume grout storage chamber may also be configured to expand from a collapsed configuration as water is injected.

The present invention relates to a mooring method for an offshore floating structure for forming an offshore floating structure mooring system including the offshore floating structure, an anchor body, and a mooring line. The anchor body includes an anchor concrete structure having: a mooring line pass-through passage for passing the mooring line through formed on the inside; and a compressed air chamber that is closed on the top and sides. The mooring line is supported in a middle portion by the anchor body while passing through the mooring line pass-through passage, and both ends of the mooring line are connected to the offshore floating structure. Accordingly, the coupling force between the anchor concrete structure and the mooring line can be increased, and underwater work related to installation and replacement of the mooring line becomes unnecessary.

The utility model belongs to the technical field of ocean engineering equipment, and particularly relates to an operation platform. The working platform comprises a first platform, and the first platform comprises a main body provided with at least one mounting hole penetrating through the main body; the at least one supporting piece corresponds to the at least one mounting hole in a one-to-one mode, the supporting piece is arranged in the corresponding mounting hole in a penetrating mode, and at least three first piling holes penetrating through the supporting piece are formed in the supporting piece; and the at least three settling piles correspond to the at least three first piling holes in a one-to-one mode, and the settling piles are arranged in the corresponding first piling holes in a penetrating mode.

A releasable marine anchor (1, 101, 201, 301, 401, 501, 601, 801) is disclosed which has a shank (3, 30, 203, 403, 503, 603, 803) having two ends. One end of the shank has an anchor line connected thereto and the other end of the shank has at least one seabed (25) engaging fluke (2, 102, 202, 302, 602. 802) pivotally connected thereto by an over centre toggle mechanism. The fluke(s) have an angle of attack relative to the shank which is changeable from an acute anchoring angle of attack to an obtuse release angle of attack by actuation of the over centre toggle mechanism by action of said anchor line acting on the shank.

The invention discloses a deep sea freezing pilot-operated type suction anchor structure and a construction method thereof, and relates to the technical field of suction anchors, the deep sea freezing pilot-operated type suction anchor structure comprises a suction anchor assembly, the suction anchor assembly comprises an anchor cylinder, vacuum pipes are fixed to the four corners of the top of the anchor cylinder, the top ends of the vacuum pipes communicate with connecting pipes through connecting pieces, an anchor frame is fixed to the top of the anchor cylinder, and a freezing pipe is fixed to the middle of the anchor cylinder; a communicating pipe is communicated with the top end of the base, and a thermo-acoustic refrigerator is fixed to the top end of the communicating pipe; and the mounting assembly is arranged at the top of the anchor cylinder and comprises a mounting ring rotationally connected to the end of the freezing pipe, and handles are fixed to the two sides of the mounting ring correspondingly. Pilot-operated freezing operation can be carried out through the suction anchor assembly, gravel and seawater on the inner side of the suction anchor are frozen in advance, the strength of the suction anchor is improved, and therefore the suction anchor is more stable and convenient to arrange, meanwhile, by arranging the mounting assembly, all components are more convenient to disassemble after arrangement of the suction anchor is completed, and the construction efficiency is improved. And workers do not need to go to deep sea for operation.

A floating power-generation group comprises a floating hub such as a spar buoy that is anchored to subsea foundations by anchor lines. Floating power producer units such as wind turbines are connected electrically and mechanically to the hub. The power producer units are each moored by mooring lines. At least one mooring line extends inwardly toward the hub to effect mechanical connection to the hub and at least one other mooring line extends outwardly toward a subsea foundation. The groups are combined as a set whose hubs are connected electrically to each other via subsea energy storage units. Anchor lines of different groups can share subsea foundations. The storage units comprise pumping machinery to expel water from an elongate storage volume and generating machinery to generate electricity from a flow of water entering the storage volume. The pumping machinery can be in deeper water than the generating machinery.

The invention discloses an underwater mooring cable-loaded vortex-induced oscillation power generation mobile buoyancy block. Belongs to the field of marine mooring cables and comprises a movable adjusting floating block which moves on an anchor chain to adjust the stress of a mooring system of an offshore floating platform. The device is mainly composed of a floating block floater, a vortex-induced oscillation power generation connecting rod and a floating block moving base. The movable buoyancy block is designed, so that the adaptive capacity of the offshore platform mooring system can be improved, and the complex marine environment working condition can be resisted; by integrating an ocean current energy power generation structure, clean energy is provided for the system, energy supply of the movable adjusting floating block is guaranteed, and environmental friendliness is achieved; and by utilizing an intelligent control means, the movement of the movable adjusting floating block is automatically controlled, so that the movable adjusting floating block has good engineering application adaptability.

The invention discloses an anchor system laying device and method, a holding power anchor and a gravity anchor can enter water in sequence through a crane and a crane, the anchor system laying device comprises a winch, a ground command, the crane and the crane, the winch is arranged on a deck of a workboat, the winch is provided with a mooring rope, and the mooring rope can be wound on the winch; the ground wire is arranged on a deck of the workboat; the crane is arranged on a deck of the workboat and provided with a first pulley, and the mooring rope bypasses the first pulley to be connected with the gravity anchor. The crane is provided with a second pulley, a traction rope is wound on the second pulley, the traction rope penetrates through a lifting ring of the holding anchor and is connected to the ground wire, and the second pulley can pull the holding anchor through the traction rope; the crane is arranged on a deck of the workboat, provided with a lifting hook and capable of being connected with the gravity anchor through the lifting hook so as to adjust the position of the gravity anchor.

The invention discloses marine ecological environment detection equipment, belongs to the technical field of marine monitoring, and aims to solve the problems that an existing observation technology is high in cost and difficult to lay, and synchronous and refined monitoring of a water body profile and a seabed interface cannot be realized. The system is composed of a plurality of sets of water body profile detection units arranged in different areas. Each unit integrates three functional modules, wherein the water surface part generates power through a floating plate and a power generation assembly by utilizing wave energy and solar energy; the water body part realizes multi-level observation of the vertical section of the water body by virtue of a flexible protective pipe and a plurality of image sensors arranged along the line; the seabed part collects seabed interface temperature and image data through an anchor device and detection equipment carried by the anchor device. Wherein the anchor device adopts an innovative design capable of releasing weight, and filler is remotely emptied through the control module, so that convenient recovery is realized; the device has the advantages of low cost, modularization and easiness in laying and recycling, and multi-dimensional detection of a water body profile and a seabed interface can be realized.

The present invention discloses a flat plate anchor device with semi-circular soil retaining plates, which includes a flat plate anchor and a pair of semi-circular soil retaining plates with a semi-circular cross-section. At both ends of the upper part of the anchor plate of the flat plate anchor, a mooring ring is provided respectively; at the middle and the outer sides of both ends of the outer wall of each semi-circular soil retaining plate, mooring rings are provided. The mooring rings at the middle of the outer walls of the two semi-circular soil retaining plates are respectively connected to one of the mooring rings at the upper part of the anchor plate through anchor chains; when the two semi-circular soil retaining plates work, they are assembled relatively into a cylindrical shape and sleeved on the outer wall of the suction bucket foundation. The flat plate anchor is clamped into the bottom of the bucket foundation for fixation, and the anchor eye of the flat plate anchor leaks out of the bucket foundation and the anchor chain is installed. Relying on the bucket foundation, the semi-circular soil retaining plates and the flat plate anchor are penetrated into the seabed. After the bucket foundation is removed, a pulling force is applied to the anchor chain to make the anchor plate rotate, and the paired semi-circular soil retaining plates are unbound and separated and embedded into the seabed. The semi-circular soil retaining plates of the present invention improve the uplift bearing capacity of the flat plate anchor and effectively reduce the embedment loss generated during the rotation of the anchor plate.

In a general aspect, suction anchors are presented for securing structures to an underwater floor. The suction anchors include a tubular body formed at least in part of cementitious materials and having a closed end and an open end. The tubular body includes an edge defining an opening for the open end. The edge is configured to penetrate the underwater floor. The suction anchors also include a port configured to fluidly-couple a cavity within the tubular body to an exterior of the tubular body. The suction anchors additionally include a pad eye extending from an outer surface of the tubular body and configured to couple to a mooring line. In another aspect, methods of manufacturing the suction anchors are also presented.