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75 results about "Wave resistance" patented technology

Wave resistance. The portion of fluid resistance to a body moving on the surface of a liquid that results from energy dissipation in the formation of waves on the liquid surface. Also known as wave-making resistance.

Anti-rollover device for unmanned ship

The utility model discloses an unmanned ship rollover prevention device which comprises two rollover prevention assemblies of the same structure, the two rollover prevention assemblies are symmetrically and fixedly installed on the two side portions of a ship body, each rollover prevention assembly comprises an installation base, an extension module and a driving module, the installation bases are fixedly installed on the side portions of the ship body, and the extension modules are fixedly installed on the side portions of the ship body. A mounting groove is formed in the mounting base, one end of the extension module is fixedly mounted in the mounting base, the extension module is located in the mounting groove, and the driving module is mounted in the ship body and connected with the extension module; according to the anti-rollover device for the unmanned ship, the anti-rollover assemblies are arranged on the two sides of the ship body correspondingly, when the anti-rollover assemblies are unfolded, the buoyancy of the ship body can be effectively enhanced, meanwhile, the base contact area of the ship body and the water surface is enlarged, the overall supporting area of the ship body is enlarged, and the wind wave resistance is improved; the situation that the ship body rolls over due to overlarge storm waves is effectively reduced, then the safety of the ship body is effectively guaranteed, and the possibility that the ship body is damaged is reduced.
Owner:GUANGZHOU BANGXIN WATER CONSERVANCY TECH CO LTD

Ice lake surge channel type energy dissipation and wave resistance tough structure and laying method

The invention relates to the technical field of disaster prevention and control engineering, discloses a glacial lake surge channel type energy dissipation and wave resistance tough structure and a layout method, and aims to solve the technical problems that the peak clipping capacity of head wave surge is insufficient, the structural stability depends on a rigid foundation, the energy clipping direction depends strongly and the like under the glacial lake working condition in an existing surge energy dissipation technology. The ice lake surge channel type energy dissipation and wave resistance tough structure comprises floating type wave dissipation elements, transverse array connecting cables and lateral restraining assemblies, the multiple floating type wave dissipation elements are connected in series through the transverse array connecting cables to form a transverse array, and the lateral restraining assemblies are arranged at the two ends of the transverse array connecting cables correspondingly. The floating type wave dissipation element is sequentially provided with an annular water-permeable flow guide energy dissipation crown, a water absorption-release elastic energy absorption array and a flexible air bag floating supporting assembly from top to bottom in the vertical direction, and a double-stone anchoring system is connected to the lower portion of the floating type wave dissipation element and comprises overhanging pumice stone, bottom anchoring stone and a vertical stroke limiting ring.
Owner:CHANGAN UNIV +1

Testing device for two-degree-of-freedom cooperative forced vibration of offshore floating fan

The invention discloses a test device for two-degree-of-freedom cooperative forced vibration of an offshore floating fan, and the device comprises a floating fan model, a pitching forced vibration device, a surging forced vibration device, a cooperative motion support frame, a cooperative control system, and an aerodynamic load measurement device. The pitching-surging coupled motion state of a floating fan model in a marine environment is simulated, and measurement of parameters such as aerodynamic characteristics, dynamic response and wake wind speed of the floating fan is realized under the condition of no pool. The double-degree-of-freedom forced vibration testing device is low in manufacturing cost, compact in structure and flexible to adjust, double-degree-of-freedom forced vibration of the floating type draught fan is achieved through a relatively small testing device, the multi-working-condition and high-frequency testing requirements in the research and development process of the offshore floating type draught fan are met, the research and development cost and the test development difficulty are effectively reduced, and the testing efficiency is improved. And a reliable test device is provided for structural design, blade optimization and wind wave resistance improvement of the floating fan.
Owner:HARBIN ENG UNIV

Bulbous bow structure of steamship

The utility model relates to a bulbous bow structure of a steamship. The bulbous bow solves the problems that in the prior art, a bulbous bow is large in traveling wave resistance and poor in stability. The bulbous bow comprises a bulbous bow body, overflowing assemblies are arranged on the two sides of the bulbous bow body, sealing cover plate assemblies are arranged on the outer walls of the overflowing assemblies in the circumferential direction, a movable load control mechanism is arranged in the bulbous bow body, and buoyancy supporting devices which can stretch under pressure are arranged on the two sides of the bottom of the bulbous bow body. The bulbous bow has the advantages that through linear optimization of the bulbous bow body, wave-making resistance is reduced, the purposes of reducing oil consumption and reducing carbon emission are achieved, and the sinking and floating stability of the bulbous bow body is effectively ensured.
Owner:STATE OWNED HAIDONG SHIPYARD

Wave-resistant liquid storage tank with built-in partition plate

The utility model relates to the technical field of liquid storage tank wave resistance, and discloses a wave-resistant liquid storage tank with a built-in partition plate, which comprises a base, a first wave-resistant mechanism is arranged at the top of the base, a second wave-resistant mechanism is arranged in the first wave-resistant mechanism, and the first wave-resistant mechanism comprises a liquid storage tank body. The device comprises a liquid storage tank body, the liquid storage tank body is fixedly connected to the top of a base, a first wave-proof plate is fixedly connected to the inner side of the liquid storage tank body, and a fixing seat is fixedly connected to the left side of the first wave-proof plate. An elastic buffer structure is formed under the action of a first telescopic rod, a first spring, a buffer plate and a connecting shaft, when liquid surges and impacts the buffer plate, the first telescopic rod can slide in a fixing sleeve and compress the first spring at the same time, the impact force of surges can be absorbed and dispersed through elastic deformation of the first spring, direct impact of liquid on the wave-proof plate and the tank body is reduced, and the service life of the tank body is prolonged. Therefore, the tank body structure is protected.
Owner:WUHAN ANTU SMART LOGISTICS CO LTD

Deepwater steel pipe pile cofferdam and construction method thereof

This invention provides a deep-water steel pipe pile cofferdam and its construction method, belonging to the field of cofferdam technology. It includes an internal support structure, several piles, and several connecting structures. The connecting structures include a locking joint, a limiting joint, a locking head, a limiting head, and a drainage outlet. This deep-water steel pipe pile cofferdam and its construction method employs a simple locking joint and locking head combination to connect the piles together with limiting positions. Combined with the combination of the limiting head and limiting joint, the strength of the connecting structure is further enhanced, forming a triple limiting and triple waterproof structure. Combined with the hollow cavity for automatic drainage, this not only significantly improves the waterproof performance at the connection point but also effectively enhances the stability and wave resistance during pile sinking, as well as the stability and wave resistance of the cofferdam. While ensuring the convenience of construction materials and the construction period, it effectively improves the connection strength and sealing performance of the cofferdam connection, as well as the wave resistance during the cofferdam construction process, thus improving the smoothness and stability of the construction process.
Owner:XIANYANG JINGWEI INVESTMENT CO LTD +1

A bulk carrier main engine power prediction method and system

The application provides a bulk carrier main engine power prediction method and system, and relates to the technical field of green ships and intelligent shipping. The method realizes high-precision and high-robustness prediction of the bulk carrier main engine power through the following steps: sister ship operation big data collection preprocessing, Pearson correlation feature screening, wave resistance explainable separation based on the two-factor Froude method and the iteration of resistance and propulsion efficiency, fusion of SVM to build a physically mechanism-constrained grey-box prediction model, and comparison and optimization of a black-box model. The method has physical explainability, can meet the consistency verification of the Minimum Propulsion Power Guidelines, can be quickly modeled and calculated online in real time relying on conventional operation data, can be reused for the same series of ship types, and has outstanding engineering practicability and maritime compliance.
Owner:SHANGHAI MARITIME UNIVERSITY +1

Environment compatible type ecological submerged dike construction method suitable for pelagic coral island coast protection

The invention provides an environment compatible type ecological submerged dike construction method suitable for pelagic coral island coast protection, and relates to the technical field of pelagic coral island coast protection and coral reef ecological restoration, and the method comprises the following steps: respectively obtaining terrain information, hydrodynamic information and ecological information of a target area; submerged dike structure information, submerged dike depth information and submerged dike material information are determined through numerical simulation analysis and a physical model test; and according to the submerged dike structure information, the submerged dike depth information and the submerged dike material information, constructing a submerged dike in the target area. The ecological submerged dike can be constructed on a narrow reef or a shallow reef slope, so that the marginal reef terrain with a reef crown structure is artificially reproduced, better wave dissipation and wave resistance are provided for the narrow, longitudinal and deep reef, meanwhile, a proper habitat is provided for marine organisms, and attachment and growth of the marine organisms are promoted.
Owner:SOUTH CHINA SEA INST OF OCEANOLOGY CHINESE ACAD OF SCI

Novel electronic float connector

The utility model discloses a novel electronic float connector, which comprises a connector internal tooth structural member and a connector external tooth structural member, the bottom end of the connector external tooth structural member is spirally embedded in the internal tooth structural member, the connector internal tooth structural member comprises a cylinder, the top end of the cylinder is provided with a circular ring, the bottom end of the cylinder is provided with an arc ring, and the circular ring is provided with an arc groove. The bottom end of the outer edge face of the cylinder and the outer edge face of the arc ring are jointly provided with a plurality of sinking grooves at equal intervals in an annular array around the axis of the cylinder and the outer edge face of the arc ring, the top end of the interior of each sinking groove is provided with a balancing weight, a connecting cylinder is constructed in the middle of the inner edge face of the cylinder, and the bottom end of the connecting cylinder is provided with a first sealing ring attached to the inner edge face of the cylinder. The fishing float has the advantages that the anti-storm capacity is high, the tightness and firmness of vertical connection and falling off are achieved, it is guaranteed that the whole concentricity of the fishing float is perfectly combined, and the concealment and the waterproofness are better; the problem that an existing fishing float still has defects in some fishing scenes is solved.
Owner:DONGGUAN XINXING NEW MATERIAL TECHNOLOGY CO LTD

Coastal zone ecological protection wave-resisting and sand-fixing facility

The utility model relates to the technical field of wave prevention and sand fixation, and discloses a coastal zone ecological protection wave prevention and sand fixation facility which comprises a dam, an extension slope is arranged on one side of the dam, and a protection structure used for wave prevention and sand fixation is arranged on one side of the dam. Through the arrangement of the protection structure, after waves enter the gravel filling area through the water permeable holes, the flow velocity of the waves is weakened, so that impact to a dam and erosion of reflected waves to a coast are reduced, meanwhile, the gravel can intercept silt and promote deposition, the wave-resisting and sand-fixing effects are achieved, and through the arrangement of the artificial fish reef and the ecological bricks, the sand-fixing effect is improved. A habitat of marine organisms is provided, ecological restoration is promoted, the stability of sediments is further enhanced, meanwhile, wave energy generated when waves impact the dam is reduced, on the whole, the facility integrates multiple functions of wave resistance, sand stabilization, ecological restoration and the like, the durability of the dam and the coast protection capacity are improved, and the facility is suitable for coast areas prone to erosion.
Owner:ZHEJIANG XUTENG ENVIRONMENTAL ENGINEERING CO LTD +1

A multi-nutrient level mixed culture device for surface and bottom water culture species

The application provides a multi-nutrition level mixed culture device for surface layer and bottom layer aquaculture species, which comprises four fixed piles, a fixed frame is fixedly installed between the top ends of the four fixed piles, longitudinal rods are fixedly arranged between the two sides of the fixed frame corresponding to the fixed piles, a transverse rod is fixedly arranged between the bottom ends of the left and right fixed piles, an adjusting mechanism is arranged on one side of the diagonal fixed piles, and a second lifting frame and a first lifting frame are arranged between the four fixed piles from bottom to top through the adjusting mechanism. The marine space can be fully utilized, the utilization rate of feed is improved, the wind and wave resistance is stronger, and the ecological culture of the surface layer and bottom layer aquaculture species is beneficial.
Owner:台州市水产技术推广总站(台州市海洋经济产业创新发展中心 台州市水生动物疫病防控中心) +1

Amphibious human-powered electric-assisted multi-functional tricycle

This invention relates to an amphibious, human-powered, electrically assisted, multi-functional tricycle, belonging to the field of transportation vehicles. It is a collection of inventions regarding tricycle structure, drive system improvements, and manufacturing methods. 1. It features a centralized control system with both land and water driving modes. 2. It utilizes human power, electric assistance, a self-generating mechanism, and an energy recovery device to form a low-carbon, green, and environmentally friendly drive system. 3. It uses composite materials and a composite molding method to create a sealed, waterproof, integrated vehicle-boat design. Foldable floating panels are designed on both sides of the vehicle body, with hidden airbags installed within them. This enhances the amphibious vehicle's buoyancy and wave resistance, while the foldable floating panel and hidden airbag design maintains a compact shape when the vehicle is on land, avoiding the air resistance and traffic control issues caused by the bulky shape of typical amphibious vehicles.
Owner:郭伟

River and lake water purification landscape floating island capable of being quickly assembled

The invention belongs to the field of landscape floating islands, and discloses a river and lake water purification landscape floating island capable of being quickly assembled, which comprises a square floating block, four lock catch grooves, four lock catch cylinders, two first outer frame edges and two second outer frame edges, the automatic clamping and centering device for the planting pot further comprises four sliding assemblies, four cover plates, four limiting insertion plates, four limiting holes, two insertion connection protruding blocks, two butt joint bases, a plurality of outer frame protruding plates and a plurality of outer frame groove plates, and through cooperation of slope extrusion blocks of the four sliding assemblies and reset springs, stable clamping and automatic centering of the planting pot are achieved; through pre-splicing of the inserting convex blocks and the inserting grooves of the adjacent square floating blocks, the planting pots are pressed downwards to drive the sliding ends to be inserted into the locking holes to achieve automatic locking, and then through enclosure of the two first outer frame edges and the two second outer frame edges and matched positioning of the outer frame convex plates and the outer frame groove plates, rapid splicing of the floating island and the stability of the overall structure are effectively achieved; the floating island is convenient and efficient to assemble and high in wind and wave resistance, and the service life of the floating island is prolonged.
Owner:SOUTH CHINA AGRICULTURAL UNIVERSITY +2

Floating breakwater and wave energy power generation integrated device

ActiveCN121111568BCapsizingWave power generation
This invention relates to the field of breakwater power generation technology, specifically to an integrated floating breakwater and wave energy generation device. It includes a floating breakwater box housing, with a wave power generation component at the bottom for generating electricity using waves, and a support fixedly connected to the top of the housing. Several sails are rotatably mounted on the top of the housing, and an adjustment component inside the housing is used to adjust the angle of the sails. A ballast water tank is located on the bottom wall of the housing, and a water supply and drainage component is located on the bottom wall of the housing to control the inflow and outflow of water into the ballast water tank to adjust the draft of the housing. This invention can adaptively adjust the draft and wave resistance of the housing according to the size of the waves, reducing the risk of device capsizing and damage caused by wave impact.
Owner:GUANGDONG OCEAN UNIVERSITY

Wave blocking wall structure of water conservancy dam

The utility model relates to the technical field of dam structures, in particular to a water conservancy dam wave blocking wall structure which is provided with a double-layer detachable wave blocking wall structure with a bucket-shaped structure at the bottom, meets the high-strength wave blocking requirement, facilitates water recovery and improves practicability. Comprising bottom frames, a guide hopper, a drainage pipe, mounting frames, mounting bolts, nuts, a mounting bottom frame, short trapezoidal wave blocking walls, high trapezoidal wave blocking walls and fixing pieces, the structure is a plurality of same units, the left side and the right side of each set of bottom frame are connected with the inner sides of one set of fixing pieces respectively, the bottom ends of the bottom frames are communicated with the top end of the guide hopper, and the front side and the rear side of the interior of each bottom frame are connected with a pair of mounting frames respectively; the bottom sides of the short trapezoidal wave blocking wall and the high trapezoidal wave blocking wall are respectively connected with the top sides of a group of mounting bottom frames, the mounting bottom frame of the short trapezoidal wave blocking wall is inserted into the front side mounting frame, the mounting bottom frame of the high trapezoidal wave blocking wall is inserted into the rear side mounting frame, and a plurality of groups of mounting bolts penetrate through the space between each group of mounting frame and the mounting bottom frame; and the extending side is screwed through a nut.
Owner:PUYANG YELLOW RIVER BUREAU FIRST YELLOW RIVER BUREAU

Tide level instrument protection device for marine surveying and mapping

The utility model belongs to the technical field of tide level instruments, and particularly relates to a tide level instrument protection device for marine surveying and mapping, which comprises an outer protection cover, a flow guide plate is fixedly connected to the upper side of the outer surface of the outer protection cover, and a spiral groove is formed in the lower side of the outer surface of the outer protection cover; the flow guide plates can change the water flow direction, reduce the front impact area and guide marine organisms to slide off along the slopes, the spiral grooves can induce water flow to form axial flow, destroy water flow continuity, decompose large vortexes into small-scale turbulent flow and reduce wave resistance, and therefore the transverse swing amplitude of the buoy is reduced, and the service life of the buoy is prolonged. A honeycomb structure in the honeycomb composite buffer plate provides rigid support, energy is absorbed through plastic deformation during collision, the damper buffers the impact force transmitted into the fixing rod again, and therefore under the cooperation of the flow guide plate, the spiral groove, the honeycomb composite buffer plate and the damper, the impact force buffering strength of the protection device is improved, and the service life of the protection device is prolonged. And therefore, the protection effect on the tide level meter is improved.
Owner:GUANGDONG SANHAI ENVIRONMENTAL PROTECTION TECH CO LTD

A method and device for simulating a slamming wave based on time difference regulation

The present application relates to the technical field of slamming wave simulation, and specifically discloses a slamming wave simulation method and device based on time difference regulation. The method first determines multiple groups of target regular waves with specific periods and amplitudes, measures the time difference of wave peaks from wave generation to a specified action point for each group of regular waves; then constructs a wave generation formula based on the time difference, directly generates a composite wave in a large wave tank through the wave generation formula, and simultaneously adopts a slow start and slow stop control to avoid wave start / stop distortion, thereby ensuring that the wave peaks of each group of regular waves in the composite wave are superimposed synchronously at the specified action point to form superimposed waves with a slamming effect. The present application is suitable for wave resistance performance testing of large marine engineering structures, and has high simulation accuracy, simple operation and strong repeatability.
Owner:TIANJIN RES INST FOR WATER TRANSPORT ENG M O T

An ecological floating island structure for repairing eutrophic water body

The application relates to the technical field of water treatment, and particularly discloses an ecological floating island structure for repairing eutrophic water bodies, which comprises a floating island module and an anchoring rod, further comprises a frame device and a limiting device; the frame device comprises a connecting sleeve and multiple floating pipes; the front end of the floating pipe is provided with a sliding sleeve I; the front end of the floating pipe is in sliding fit with the rear end of another floating pipe through the sliding sleeve I; the front and rear ends of the multiple floating pipes are connected to form a rectangular placement cavity; multiple floating island modules are uniformly arranged in the placement cavity; one end of the connecting sleeve is fixed with the floating island module, and the other end is slidably sleeved on the floating pipe; and an elastic telescopic rod is connected between two floating island modules; and the limiting device is matched with the floating pipe to limit the position of the floating pipe; the ecological floating island structure for repairing eutrophic water bodies has the effect of improving the wind and wave resistance of the floating island module.
Owner:GUANGZHOU HEYUAN ECOLOGICAL TECH DEV CO LTD

A marine radio buoy data monitor

ActiveCN224392893Uprevent cable breakageCable breakage is stableWaterborne vesselsBuoysWind waveBuoy
The utility model discloses a kind of marine radioactive buoy data monitors, including main buoy, monitoring equipment, main cable II, anchor chain, auxiliary buoy, elastic connecting assembly;Main buoy bottom is equipped with main cable I, and main cable I top end and middle segment are vertically distributed as monitoring section, and monitoring equipment is connected in main cable I middle segment, and main cable I end is connected with the top end of main cable II through elastic connecting assembly, and the end of main cable II is connected with anchor chain through elastic connecting assembly, and anchor chain end is equipped with anchor, auxiliary buoy is located in main buoy side, auxiliary buoy bottom is equipped with auxiliary cable, and auxiliary cable end is connected with the top end of main cable II through elastic connecting assembly, and auxiliary buoy is equipped with winding mechanism, and auxiliary cable top end is connected on winding mechanism.The utility model greatly improves the impact capacity of device whole sea bottom undercurrent and wind and wave resistance, reduces the risk of cable break.
Owner:NUCLEAR & RADIATION SAFETY MONITORING CENT OF SHANDONG PROVINCE

A floating monitoring platform for water quality monitoring of mariculture

This invention relates to the field of water quality monitoring technology and discloses a floating monitoring platform for monitoring the water quality of marine aquaculture. A float is uniformly embedded at equal angles along the circumference of the buoy body. Pressure relief and flow channels are uniformly formed on the sides of the floats. A bearing seat is fixedly installed at the top and bottom center of the float, and a central rod is fixedly connected to the inner side of the bearing seat. An external rotating cylinder is rotatably connected to the inner center of the float, and drive blades are uniformly arranged along the circumference of the outer rotating cylinder. This invention utilizes the damping cylinder's rotation to drive the moving blade plate to actively rotate within the filling cavity. Combined with the fixed blade plate on the side of the central rod and the uniformly distributed damping shear holes inside the moving blade plate, a combined squeezing and shearing effect is achieved on the damping fluid within the filling cavity. This efficiently consumes and absorbs the impact kinetic energy of waves acting on the buoy body, enabling the buoy body to maintain stable attitude under complex sea conditions and possess higher wind and wave resistance.
Owner:MARINE FISHERIES RES INST OF ZHEJIANG

A floating device for mounting a photovoltaic assembly

The application discloses a water floating device for installing photovoltaic modules, and belongs to the technical field of water photovoltaic technology, characterized in that the water floating device comprises a floating body, folding supports, photovoltaic modules and ropes, mortise and tenon structures are arranged on the four circumferential sides of the floating body, a bamboo raft through hole is arranged at the bottom of the floating body, rope through holes are arranged on the left and right mortise and tenon structures of the floating body, a sinking surface is arranged at the middle position on the floating body, the folding supports are installed, the photovoltaic modules are placed in the folding supports, wire grooves are arranged at the side positions on the upper surface, the folding supports comprise four groups of front and rear and left and right supports, the front and rear folding supports are symmetrically installed, the upper rod length of the front folding support is smaller than the upper rod length of the rear folding support, an inclination angle for installing the photovoltaic modules is formed, the mortise and tenon structures are connected into a whole by the ropes, the wind and wave resistance is high, the stability is high, the photovoltaic modules can be placed flat in the floating body, transportation is facilitated, the overall structure is light, the buoyancy is large, and installation and maintenance are convenient.
Owner:ADVANCED THERMOPLASTIC POLYMER TECH

A folding type of marine culture net cage and a folding and unfolding control method thereof

The application discloses a kind of folding type ocean aquaculture net cage device and method based on double-umbrella coaxial structure, belong to the field of floating culture device in marine engineering equipment technology;Its core innovation lies in adopting double-umbrella coaxial folding structure and integrated drive adjustment system, device includes upper and lower symmetrically arranged double-umbrella support framework, center tower column drive system and active controllable hovering and attitude adjustment system;Through center tower column drive system, double-umbrella support framework is driven to realize single-degree-of-freedom accurate unfolding and folding, greatly compresses transportation volume, reduces transportation and deployment cost;Active controllable hovering and attitude adjustment system can realize net cage depth accurate control and attitude automatic stabilization in real time according to sea conditions through the collaborative work of main ballast tank and distributed buoyancy adjustment module, and improve wind and wave resistance performance;The application solves the problems of traditional net cage transportation inconvenience, structure easy to damage, poor environmental adaptability and other problems, has the advantages of rapid deployment, simple operation, stable operation, and is especially suitable for large-scale aquaculture operation in deep sea.
Owner:DALIAN OCEAN UNIV

Layered water quality sampling and real-time monitoring device

The invention relates to the technical field of water quality monitoring, discloses a stratified water quality sampling and real-time monitoring device, and discloses a stratified water quality sampling and real-time monitoring integrated device. The device is composed of a floating system, a dynamic positioning system, a control center and a core sampling execution mechanism. The sinking and action of the sampling bottle are controlled through two groups of independently controlled collecting and releasing assemblies, and the sampling bottle is accurately opened at a preset water depth to complete water sample collection and automatic sealing by utilizing mechanical linkage and pressure difference principles. Meanwhile, the device creatively integrates a water depth real-time monitoring function, and water depth data of sampling points can be synchronously obtained through grounding sensing and paying-off length metering. The whole layered water quality monitoring system has the advantages of high automation degree, accurate positioning, high storm resistance, good anti-pollution effect and the like, and the layered water quality monitoring efficiency and reliability are remarkably improved.
Owner:上海旭宇信息科技有限公司

Pile leg cooperative stress structure and method

The invention relates to the technical field of ocean engineering equipment, in particular to a pile leg cooperative stress structure which comprises a platform, a pile leg and a force release type wave-resistant cooperative assembly, the force release type wave-resistant cooperative assembly comprises a center fixing frame, a traction frame, a force dispersing column, a wave-resistant frame and a pile shoe, the pile leg is fixedly connected with the platform and located on one side of the lower portion of the platform, and the traction frame is fixedly connected with the pile leg. The center fixing frame is fixedly connected with the platform and located below the center of the platform, the center fixing frame is arranged on one side of the pile leg, the traction frame is fixedly connected with the pile leg and located on one side of the pile leg, the force dispersing column is fixedly connected with the pile leg and located below the side, away from the traction frame, of the pile leg, and the wave resisting frame is fixedly connected with the pile leg. The pile legs are fixedly connected with the traction frame and located above the sides, away from the traction frame, of the pile legs, the pile shoes are fixedly connected with the pile legs and located below the pile legs, and by additionally arranging the force release type wave-resistant collaborative assembly, active stress collaboration among the pile legs is achieved, load distribution is optimized, and the anti-overturning capacity and operation safety of the self-elevating ocean platform are improved.
Owner:SHANGHAI OUYANG OCEAN ENG GRP CO LTD

Detachable modular blue-green algae floating device with photocatalysis

The application provides a detachable modular photocatalytic blue-green algae removing floating device, which comprises a plurality of blue-green algae removing floating units, the plurality of blue-green algae removing floating units are detachably connected, the blue-green algae removing floating unit comprises an outer frame, a partition plate, a connecting assembly and a floating plate, the outer frame is arranged around the partition plate, the partition plate is concave relative to the two end faces of the outer frame to form a bearing surface and a water contact surface, a plurality of hollow holes are arranged on the partition plate, the hollow holes are connected with the bearing surface and the water contact surface, the floating plate is arranged on the bearing surface, and the floating plate is used for generating active oxidants under light conditions, the application can control the buoyancy, adopts a modular design, realizes long-term stable construction of a gas-liquid-solid three-phase interface, has high integrity, is convenient to centrally place, recycle and maintain, significantly reduces engineering operation cost, effectively improves the water flow resistance and the wind and wave resistance of the device, and is suitable for complex natural water body environments.
Owner:WUHAN UNIV OF TECH

Floating type wind-wave-light combined power generation platform

The invention relates to a floating type wind-wave-light combined power generation platform which comprises a first floating type wind turbine and a polygonal cobweb type structure composed of flexible mooring ropes. The polygonal cobweb structure is arranged by taking the first floating wind turbine as a center; second floating type wind turbines and floating barrels are evenly arranged at the corners of the polygonal cobweb type structure. An outer-layer raft type wave energy collecting device, a floating type solar energy collecting device and an inner-layer raft type wave energy collecting device are sequentially arranged on wefts of the polygonal cobweb type structure from outside to inside. With step-by-step clipping-flexible coupling-shared mooring as the core, the seakeeping design is embedded into the whole process of overall layout and energy conversion, so that the natural periods of heaving and pitching are far away from the common wave energy period, and the resonance risk is remarkably reduced; an exoskeleton type tension ring is formed, wave energy is extracted, phase cancellation is induced at the same time, and secondary excitation of reflected waves to a platform body is reduced.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

A marine power plant and method

ActiveCN120626417BWind energy with water energyWind motor supports/mountsWave power generationWind wave
The embodiment of the specification relates to the technical field of ocean energy utilization, in particular to a marine power generation device and method, the marine power generation device comprising a wind power generation component; an immersed column for supporting the wind power generation component; a wave power generation component arranged on the immersed column and movable up and down along the immersed column; and a net cage arranged at the edge of the wave power generation component and movable along the edge. The wave power generation component in the marine power generation device can generate power by utilizing the vertical movement thereof, realizes the complementation of wind power and wave power, reduces the pitching and yawing of the wind power generation component, and comprehensively improves the power generation efficiency and power generation stability. The counterweight of the net cage can lower the gravity center of the wind power generation component, and improves the wind and wave resistance of the marine power generation device. The immersed column is the foundation of the wind power generation component, the kinetic energy transmission medium of the wave power generation, and provides an anchoring point for the net cage, realizing the "one column with three uses".
Owner:POWERCHINA RENEWABLE ENERGY CO LTD

Novel storm-resistant oyster raft structural member

The utility model discloses a novel anti-storm oyster raft structural member, which relates to the technical field of oyster raft structures, and comprises a transverse skeleton tube, a longitudinal skeleton tube and a four-way connecting piece, the outer side of the end part of the transverse skeleton tube is provided with the longitudinal skeleton tube, and the transverse skeleton tube and the longitudinal skeleton tube are connected with each other through the four-way connecting piece. According to the novel storm-resistant oyster raft structural member, firstly, two groups of transverse framework pipes penetrate through corresponding limiting holes respectively, so that the two groups of transverse framework pipes can penetrate through limiting blocks, and the two groups of transverse framework pipes can be mounted below the same group of fixing pipes; the four groups of transverse framework pipes and the four groups of longitudinal framework pipes can be vertically staggered and fixed through the multiple groups of four-way connecting pieces, and the transverse framework pipes, the longitudinal framework pipes, the first connecting pipes and the second connecting pipes can form a novel anti-storm oyster raft structure, so that the storm resistance of the novel anti-storm oyster raft structure is improved; compared with a one-way distributed oyster row structure, the space utilization rate is improved, the structure is simple, installation is convenient, and strength is high.
Owner:QIHANG CHUANGZHI (QINGDAO) OFFSHORE EQUIP TECH CO LTD

Cooperative management and control method and system for net-free underwater pasture

The invention relates to the technical field of breeding, and discloses a collaborative management and control method and system for a net-free underwater pasture. The method comprises the following steps: controlling a networking robot to construct a network-free underwater pasture through management equipment, determining a pasture boundary, and planning a cruise line according to the boundary; the cruising robot monitors density and size parameters of cultured objects when cruising along the line; and the management equipment measures the density of effective cultured objects, controls the networking robot to expand the pasture scale according to a preset rule when the density exceeds a threshold value, and re-plans a cruising route. According to the method, dynamic robot networking is adopted to replace a traditional fixed net cage, and the storm resistance is remarkably improved; through real-time monitoring and a self-adaptive expansion mechanism, accurate regulation and control of a breeding space are realized; a net-free structure is used for promoting water body exchange, and the culture ecological environment is effectively improved.
Owner:SHENZHEN QYSEA TECH CO LTD

Rig for hollow soft lures

This invention provides a rig for hollow soft lures that helps prevent the flexible, hollow lure body used in trolling from deforming improperly due to strong compressive forces caused by wave resistance. [Solution] A connecting ring (29) formed by riveting (30) to the folded rear end of the fishing line (28) and a bent attachment ring (32) attached to the front end of the fishing hook (F) are connected by a metal snap (S) at one end that can be attached to the attachment ring. A weight (31) interposed between the rivet and the front end of the hollow lure body (10) is slidably passed through the fishing line, and the functional connecting length (L1) from the weight through the rivet and snap to the fishing hook is set to be substantially the same as the physical constant length (L2) from the front end of the lure body to the fishing hook locking groove (20) of the fishing hook attachment part (13) at the rear end.
Owner:HOPEC