652results about "Anchors" patented technology

A system for maintaining a marine vessel in place in a body of water includes a controller in signal communication with a power-deployable anchor and a propulsion-based electronic anchoring system and a user input device in signal communication with the controller. The controller deploys the power-deployable anchor in response to a single user-selected option input via the user input device under a first set of conditions. The controller activates the propulsion-based electronic anchoring system in response to the single user-selected option input via the user input device under a different second set of conditions.

The invention relates to a gravity and suction combined type anchoring foundation, an installation method and an installation evaluation method.The combined anchoring foundation comprises a gravity anchor assembly and a suction anchor assembly; the gravity anchor assembly is used for being connected with an upper draught fan and providing a stable gravity foundation for the draught fan. The top of the suction anchor assembly is fixed to the bottom of the gravity anchor assembly, and the suction anchor assembly is used for penetrating into a seabed with the target depth. According to the anchoring foundation, the gravity anchor assembly is connected to the suction anchor assembly, and the load bearing capacity of the anchoring foundation in the vertical direction and the horizontal direction is improved.

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 valve for controlling flow of ambient water into a buoyant body in an anchoring and / or payload delivery system for an underwater vehicle, the valve comprising: at least one valve inlet configured to be open, in use, to ambient water; at least one valve outlet configured to communicate with the buoyant body; a pressure balance chamber in fluid communication with one or more of the valve inlets and thereby configured to be open, in use, to ambient water; a stationary part; a moveable part arranged to be exposed at least partially to ambient water and configured to move, in use, relative to the stationary part between a first position, wherein the valve is in a closed state in which fluid communication from the valve inlet(s) to the valve outlet(s) is prevented and a second position, wherein the valve is in an open state in which fluid communication from the valve inlet(s) to the valve outlet(s) is allowed, thereby allowing ambient water to flow into the buoyant body; wherein a first part of the moveable part is exposed to ambient water and a second part of the moveable part is exposed to water within the pressure balance chamber so that the moveable part is pressure balanced such that when the valve is in the closed state there is substantially no net force on the moveable part due to the pressure of the ambient water; and wherein the valve is configured such that a movement-resisting force between the stationary part and the moveable part holds the moveable part in the first position, in use, until a valve actuation mechanism is operated to overcome the movement- resisting force and move the moveable part to the second position.

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 a high holding power anchor group system and a mounting method.The high holding power anchor group system comprises a front high holding power anchor and a rear high holding power anchor, the front high holding power anchor comprises a front high holding power anchor plate, a front high holding power anchor shin is fixed to the top face of the front high holding power anchor plate, and a rear high holding power anchor shin is fixed to the top face of the rear high holding power anchor plate; a front mooring point is formed at the front end of the front high holding power anchor shank, the front mooring point is connected with one end of the mooring anchor chain, the rear high holding power anchor comprises a rear high holding power anchor plate, a rear high holding power anchor shank is fixed to the top face of the rear high holding power anchor plate, a rear mooring point is formed at the front end of the rear high holding power anchor shank, and the rear mooring point is connected with one end of the mooring anchor chain. And the connecting piece at the rear end of the anchor plate of the front high holding power anchor is connected with the rear mooring point through a connecting anchor chain. The high holding power anchor group system can be embedded into soft seabed soil by a deeper depth, so that the bearing capacity is improved.

The invention relates to the technical field of marine anchoring equipment, and provides a recoverable anchor for mounting a deep sea acoustic receiving subsurface buoy, which comprises an anchor body, the auxiliary fixing frame is arranged on the anchor body, the auxiliary fixing frame is provided with a movable inner cavity, the movable inner cavity is provided with a first outlet position, and the first outlet position faces one side of the outer wall of the anchor body; the swing clamping jaw is arranged in the movable inner cavity in a swing mode and located at the first outlet position, a swing shaft of the swing clamping jaw is in the transverse direction, the swing clamping jaw is a fan-shaped piece, and the swing clamping jaw is configured to stretch out of or return to the first outlet position after swinging and always keep blocking the first outlet position after swinging. According to the technical scheme, the technical problem that in the prior art, an anchor body of a suction anchor is poor in installation efficiency and stability is solved.

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 relates to the technical field of offshore photovoltaic power generation, in particular to frame type offshore floating solar photovoltaic equipment. The equipment comprises a plurality of floating type photovoltaic modules, every two adjacent floating type photovoltaic modules are connected through two steel hinge pieces to form an array module, the stability of the photovoltaic equipment structure is improved, the floating type photovoltaic modules on the outer sides of the array modules are connected with concrete anchor blocks through anchor chain buckles and anchor chains to achieve buffer type mooring, and the floating type photovoltaic modules on the outer sides of the array modules are connected with the concrete anchor blocks through the anchor chain buckles and the anchor chains. The floating type photovoltaic module comprises a platform frame and a photovoltaic assembly, the photovoltaic assembly is arranged above the platform frame, the platform frame is provided with a buoy so that the array module can float on the sea, and the height of the platform frame is larger than the preset height so that the front face of the photovoltaic assembly can absorb light energy directly irradiated by the photovoltaic assembly and the back face of the photovoltaic assembly can absorb light energy reflected by the sea surface. Therefore, the power generation efficiency of the photovoltaic equipment is improved. Therefore, the technical scheme can improve the structural stability and the power generation efficiency of the photovoltaic equipment.

The invention discloses a suction anchor and a use method thereof, and belongs to the technical field of ocean engineering, the suction anchor comprises an anchor cylinder, and a soil plug detection mechanism, a crushing mechanism, an extraction mechanism and a burial depth detection mechanism which are arranged on the anchor cylinder; the anchor cylinder is of a cavity structure with the top closed and the bottom open. The soil plug detection mechanism is arranged in the anchor cylinder and used for detecting the height of a soil plug in the anchor cylinder. The crushing mechanism is used for receiving a soil plug height signal of the soil plug detection mechanism, crushing the soil plug in the anchor cylinder and converting the solid soil plug into a fluid substance; the extraction mechanism is used for extracting fluid substances in the anchor cylinder and discharging the fluid substances out of the anchor cylinder according to the burial depth signal of the burial depth detection mechanism; the burial depth detection mechanism is used for detecting the burial depth of the anchor cylinder. The problem that the uplift bearing capacity of the suction anchor is affected due to the fact that the suction anchor cannot reach the target embedding depth due to serious soil plug can be solved.

The high-strength sea anchor connecting part comprises a fixing rope, a large reinforcing piece and a small patch, the large reinforcing piece and the small patch are arranged in a laminated mode, one end of the fixing rope is distributed between the large reinforcing piece and the small patch, and the other end of the fixing rope penetrates through the large reinforcing piece to stretch out and is woven and wound into a rope ring. The high-strength connecting part can be provided for the sea anchor of the large lifeboat, the stability of the large lifeboat is improved, the stability of the lifeboat in a high sea condition environment is improved, and the high-strength connecting part is particularly suitable for an air bag type lifeboat.

A subsea foundation 16 for anchoring a mooring line 14 comprises a mooring base 20, such as a chain that is simply laid upon the seabed in a straight, curved or looped configuration, hence extending across the seabed 18 substantially parallel to the seabed. The mooring base is then anchored by one or more deadman anchors 22 that are embedded in the seabed soil. For this purpose, one or more links 24 extend through the soil to couple the mooring base to the or each deadman anchor. One or more mooring lines can then be coupled to the mooring base.

To provide a ship mooring facility capable of suppressing damage caused by flooding of rivers and drainage channels flowing into the rivers, and flooding of river basins, while also significantly suppressing the need to increase the size of drainage facilities and the labor and costs required for daily maintenance and management. [Solution] A ship mooring facility 16 is formed comprising a tugboat 17 floated on a river 10 with its bow 24 facing upstream of the river 10 and having a screw 22 that generates propulsion, a towing line 18 connected to the tugboat 17, and a pile 20 connected to the towing line 18 and fixed to the riverbed 19, the pile 20 having an arrangement space E1 that keeps the towing line 18 connected, and the arrangement space E1 being closed on the upstream side of the river 10 and open on the downstream side of the river 10.

An anchor system with a bridle substrate and harness configured to attach to an anchor line. An outer bladder surrounds an inner bladder for coupling on top of the bridle substrate. Water enters the anchor system through a water inlet that feeds directly to the inner bladder and fills that first. Water then overflows from the inner bladder to the outer bladder to fill that second. The inner bladder provides stability and is positioned with a majority of its volume closer to an uphill end of the anchor bladder while the outer bladder is positioned with a majority of its volume closer to a downhill end of the anchor bladder. Reinforcement connectors for each bladder resist deformation of the bladders to resist movement of the anchor bladder while filling.

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 belongs to the technical field of unmanned underwater vehicles, and particularly relates to an autonomous embedded type unmanned underwater vehicle anchoring device and an anchoring method thereof. The problems that due to the defects that an anchor carried in an unmanned underwater vehicle is light in weight, poor in seabed hard substrate adaptability and the like, the mooring force is insufficient, and anchoring cannot be achieved are solved. According to the technical scheme, the device comprises an anchoring device, one end of a mooring cable is connected with an anchoring section bulkhead, the other end of the mooring cable is connected with a rear guide pipe, before the anchoring device is started to work, the mooring cable is wound into a cylindrical cluster to be embedded into a middle hole of a gas generation chamber, one end of the mooring cable is connected with the rear guide pipe, and the other end of the mooring cable is connected with a locking mechanism in an anchoring cabin; the shoot nail is mounted in the front guide pipe through a supporting rod, a plurality of anchor teeth which are circumferentially symmetrical are mounted on the front guide pipe, the anchor teeth are connected with the front guide pipe through torsional springs, the anchor teeth are restrained by the wall of an anchoring cabin before exiting from the cabin and automatically spread under the action of the torsional springs after exiting from the cabin, rope nets are mounted among the anchor teeth, and the rope nets are also spread in the spreading process of the anchor teeth and used for increasing anchoring force.

The invention relates to the field of offshore photovoltaic technologies, in particular to a gripping force and suction force combined type shared anchoring foundation and an installation method. The holding power and suction force combined type shared anchoring foundation comprises a holding power anchor which is used for being embedded into a seabed; the suction anchor is used for being inserted into a seabed and abutting against bedrock; the holding power anchor is embedded into the seabed and generates holding power by means of the characteristics of the holding power anchor. The holding power anchor is connected with the anchor lug at the top of the self-suction anchor through the first anchor chain so as to directly bear tension from the self-suction anchor. After being inserted into the seabed, the self-suction anchor stably abuts against the bed rock and can directly bear tension from an offshore photovoltaic structure. As the top anchor lugs are in one-to-one correspondence with the bottom anchor lugs in the opposite direction, the suction anchor can bear the pulling force from the holding power anchor and the pulling force from the offshore photovoltaic structure, the two pulling force directions are completely opposite, and then the stress balance effect is achieved. Therefore, the stability and reliability of the anchoring foundation can be practically improved.

The present invention provides a floating offshore wind turbine system, including a basic buoy and an offshore wind power generation component, and also includes a mooring system and a structural vibration control system, wherein the mooring system includes a plurality of tensioned mooring chain groups fixed on the basic buoy, and the structural vibration control system includes a first connection platform arranged on the wind turbine tower and a plurality of semi-tensioned mooring chain groups fixed on the first connection platform. The floating offshore wind turbine system provided by the present invention, through the additional structural vibration control system, not only adds a plurality of support points specifically for the offshore wind power generation component, but also can effectively absorb the environmental load acting on the offshore wind power generation component and the vibration of the whole system through the structural vibration control system, reduce the overall motion response of the floating offshore wind turbine system, improve the stability of the floating offshore wind turbine system, thereby improving the power generation efficiency and service life of the offshore wind power generation component.

The present invention relates to a torpedo anchor capable of increasing the anchoring length, comprising an anchor body (2) and an anchor head (8) which are engaged with each other, wherein a screw rod (5) is arranged inside the anchor body (8), wherein one end of the screw rod (5) is connected to the anchor head (8) via a nut (7), and a motor (3) is fixed to the other end, wherein the motor (3) is connected to the anchor body (2) via a connecting rod (4), and a rotating blade (6) is arranged on the rod body of the screw rod (5) near one end of the nut (7). Compared with the prior art, the present invention has the advantages of increasing the anchoring length by cutting the soil layer, improving the pull-out resistance of the torpedo anchor, and the like.

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.

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 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 provides a device and a working method of a side face unfolding weight increasing type torpedo anchor. The device comprises an anchor body, a working anchor chain, an unfolding panel and the like, the middle of the anchor body adopts a side unfolding design, and when the working anchor chain is pulled to a middle area, the unfolding panel and a soil body are pushed by a tension transmission structure to be squeezed into a hollow area and a soil holding frame, and the panel is assisted to be continuously unfolded. The unfolding panel is connected with the anchor body through a hinge, has a corresponding area and a soil holding frame, can be unfolded to a control angle, and can be rotated to the optimal orientation before being thrown. The working anchor chain and the lifting chain are matched to enable the torpedo anchor to be in a two-point tension service state. The working method comprises the steps of putting, pulling, unfolding, forming a service state and the like, through the design, the anti-pulling stress area can be increased, the self weight can be increased, the working state that only the tail end of a traditional torpedo anchor is pulled is changed, the anti-pulling bearing capacity and stability of the torpedo anchor are effectively improved, and the torpedo anchor has important application value in the anchoring field of ocean engineering and the like.

This invention relates to a parachute sea anchor system deployable from a payload tube. There is provided a parachute sea anchor system suitable for launch from a vessel comprising at least one payload tube,said payload tube, comprising a payload canister, which comprises a parachute sea anchor, wherein said parachute sea anchor comprises a buoy tethered thereto, wherein said payload canister is attached to said vessel.

The invention provides a torpedo anchor and a using method thereof, and relates to the technical field of anchoring equipment.The torpedo anchor comprises an anchor body, an anchor head, an expandable air bag and an electric control igniter, the anchor body comprises a plurality of sub anchor bodies which are sequentially arranged in a nested mode, and a containing space is formed between top plates of any two mutually-nested sub anchor bodies; the anchor head is fixedly connected with the bottom of the sub anchor body on the innermost layer; an explosive medicament is placed in the inflatable air bag; an inflatable air bag is arranged in the accommodating space; the electric control igniter is used for igniting the medicament; the length of the torpedo anchor penetrating into the stratum is increased through an air bag expansion impact method, then the contact area and friction force of the torpedo anchor and the stratum are increased, the uplift bearing capacity of the torpedo anchor is remarkably improved, all the sub anchor bodies are simple in matching structure and high in stability, complex mechanical structures are not needed, and the cost is low. Therefore, on the premise that the torpedo anchor extends in a bottom layer, the torpedo anchor still has good stability.

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.