271results about How to "Improve wind and wave resistance" patented technology

The present invention relates to a wave energy conversion and power generation system. Said invention is characterized by that it utilizes a flexible surface which can be flexibly bent and fluctuated with wave to receive drive of wave, and utilizes a rope whose one end is tied on the described flexible surface and another end is winded round a rotating wheel to pull said rotating wheel, so that said rotating wheel can be used for converting wave energy into mechanical energy, then utilizes a hydraulic system and a power generator unit to convert the mechanical energy into electric energy.

The invention provides a wave power generating system with a floating-body-based rope pulley, relating to a wave energy power generating system and comprising a wave energy collecting part, a power generator and a base, wherein the wave energy collecting part has the mechanism of: pushing a floating body by waves, tightening a rope, further driving a rotating wheel arranged on the floating body to apply work, and outputting mechanical energy to realize the collection of wave energy; and in a wave dropping step, reversely rotating the rotating wheel by using small force, withdrawing the rope, pulling and withdrawing in the way, and continuously circulating. The wave energy collecting part is used for supplying power to the power generator to generate power. The wave power generating system can adapt to most shapes of waves and has the advantages of strong wind and wave resistance, low cost and easy maintenance.

The invention discloses a pollution source tracking method and system used for an unmanned ship. The method includes the steps of: obtaining a water flow direction and water velocity by testing, and then automatically obtaining a water body monitoring point of the unmanned ship; according to the water body monitoring point, automatically generating a sailing route or self-defining a sailing route to obtain a predetermined sailing route; and performing water body monitoring when the unmanned ship sails, thereby determining a pollution source range. The system includes a monitoring point acquisition unit, a ship route formulation unit and a pollution source tracking unit. The pollution source tracking method and system formulate the sailing route, and perform water body monitoring when the unmanned ship sails, thereby determining the pollution source range, so that the diffusion degree and range of the pollution source can be tracked through the unmanned ship, and researchers can know the situation of the pollution source in time and take effective measures to the pollution source in time. The pollution source tracking method and system can be widely applied to unmanned ship products.

The invention discloses an ecological remediation type marine ranch and a construction method for the same, and belongs to the technical field of marine ecological environments. The marine ranch comprises more than one multifunctional unit culture platform, wherein each multifunctional unit culture platform comprises a lifting and submersible ecological unit culture platform frame consisting of a U-shaped main floating pipe and more than one HDPE (High-Density Polyethylene) junction pipe; the two ends of each U-shaped main floating pipe are closed, and each U-shaped main floating pipe is formed by bending a large-diameter HDPE pipe; the two ends of each HDPE junction pipe are closed; alga bed areas, open box type precious marine product polyculture areas, settlement devices and anchorage devices are arranged on the platform frames. According to the marine ranch and the construction method, the multifunctional unit culture platforms have a lifting function, and can float to the water surface and stay in different underwater layers, so that the photosynthesis of algae is facilitated, and high growth speed is ensured; by the open box type ecological polyculture of precious marine products such as algae, abalones, cucumbers, oysters and mytilidae, a marine resource remediation function is realized, and good ecological benefits and economic benefits are created.

The invention provides a combined type ocean power generation device. The combined type ocean power generation device comprises a base and a main body, wherein the main body is fixedly connected with the base; an upper cavity is arranged in the upper end of the main body; a lower cavity is arranged in the lower end of the main body; a sealing plate is arranged at the upper end of the upper cavity and rotationally connected with a rotary shaft; the rotary shaft is horizontally arranged, one end of the rotary shaft is fixedly connected with vanes, and the rotary shaft is connected with an input shaft of a generator through a speed reducer; a generator II is arranged in the upper cavity, a transmission structure capable of driving an input shaft of the generator II to rotate when the rotary shaft rotates is arranged between the input shaft of the generator II and the rotary shaft; a through hole is horizontally formed in the lateral wall of the lower end of the lower cavity, and a generator III is arranged in the through hole; a swinging generator is arranged at the outer end of the through hole; a ventilation hole is formed in the lateral wall of the main body and fixedly connected with a valve capable of controlling the ventilation hole to open and close; a plurality of base protecting devices are further arranged on the base. According to the combined type ocean power generation device, scouring of ocean currents to the base can be reduced, and wind energy and tidal energy are fully used for power generation.

The invention discloses a solar and wind-driven dual generation water ecological restoration aeration device. The solar and wind-driven dual generation water ecological restoration aeration device comprises a floating plate, the surface of the top of the floating plate is provided with a mounting groove; a first driving motor connected with the floating plate and with the output shaft facing downwards is mounted above the mounting groove; both sides of the mounting groove are provided with air channels formed inside the floating plate; one end of each air channel, which is away from the mounting groove, is provided with an air pipe connected with the bottom of the floating plate, and one end of the air pipe, which is away from the floating plate, is connected with an air shield; one side of the top of the floating plate is perpendicularly provided with a first support rod, and a photovoltaic panel body is hinged to the top end of the first support rod; one side of the first driving motor, which is away from the first support rod, is provided with a second support rod hinged to the bottom of the photovoltaic panel body. The solar and wind-driven dual generation water ecological restoration aeration device is novel in design and simple in operation, can rapidly dissolve oxygen into water and improve resistance to wind and waves, and meanwhile, by timely adjusting the angle of photovoltaic panels, can improve the working efficiency of the photovoltaic panels.

The invention discloses an unmanned ship anti-wave cruise control method and a system, and the method comprises the steps of obtaining the navigation point of the unmanned ship; generating a navigation route based on the navigation point or customizing a navigation route to obtain a predetermined navigation route; real time monitoring is there is any stormy wave around the unmanned ship, and if yes, sending an instruction to the unmanned ship to adjust the hull; real time monitoring if the unmanned ship has deviated, and if yes, sending an instruction to the unmanned ship to go back to the predetermined navigation route. The system comprises a navigation point obtaining unit, a route making unit, a stormy wave monitoring unit and a deviation monitoring unit. By making the navigation route and real time monitoring the current and the deviation when the unmanned ship is driving so as to make sure the unmanned ship can solve an emergent stormy wave by adjusting the hull timely, thereby raising anti-stormy wave capability effectively and indicating the unmanned ship going back to the predetermined navigation route. The actions can be done at real time; and the security of the unmanned ship is greatly improved. The system can be applied in unmanned ships.

The invention relates to a dual-rope type float body rope wheel sea wave power generation system, belonging to a wave energy generation system. In the invention, wave is pushed by a float body or an oscillating plate; one rope of which one end is tied thereon and the other end is wound on a rotating wheel to pull the rotating wheel to convert the obtained irregular wave push power into rotating power; during the wave fall-back period, another rope drives the rotating wheel to invert by the gravity of a heavy object to take back the rope; the rotating wheel realizes energy transmission and collection by a ratchet wheel mechanism and a hydraulic system so as to realize power generation via a generator. As for large-scale wave energy generation, the float body can form an array surface. The system can be adapted to waves with most waveforms, can efficiently absorb wave energy, has strong wind wave resistance and low cost and does not rely on shore-based operation.

The invention provides an ocean monitoring buoy of an improved structure and belongs to the technical field of ocean buoys. The ocean monitoring buoy comprises a first floating body, a cylindrical part and a conic part. A vertical through hole is formed in the first floating body. A horizontal through hole is formed in the upper portion of the cylindrical part. The upper end of the vertical through hole extends to the cylindrical part and communicates with the horizontal through hole. The lower end of the vertical through hole penetrates through the conic part. A wind driven generator is arranged in the vertical through hole. Two guide grooves are formed in the lower side wall of the vertical through hole. A metal piston rod is arranged in the vertical through hole. A piston is arranged atthe upper end of the metal piston rod. Two sliding blocks are arranged on the side wall of the metal piston rod and arranged in the guide grooves in a sliding mode. Springs are arranged in the two guide grooves. The lower ends of the springs are fixed to the lower ends of the guide grooves. The upper ends of the springs are fixedly connected to the sliding blocks. A fixing ring is arranged at thelower end of the metal piston rod and connected with an anchor through a locating anchor chain. The wind driven generator is electrically connected with a storage battery. The ocean monitoring buoy has the advantages of being good in wind and wave resistance, capable of using wave energy for generating power and the like.

An octopus culture cage consists of a reinforced frame, a maintenance net, plastic disks, a polyvinyl chloride tube, an isolation mesh, an inflatable floating box, a balance weight and the like which are interconnected. The reinforced frame takes a cylindrical shape and is covered by the maintenance net on the outer layer; two plastic disks are laterally fixed on the reinforced frame, and the two plastic disks are formed into a skeleton structure of the culture cage in common; a plurality of circular holes are drilled on the plastic disks; the polyvinyl chloride tube longitudinally passes through a front plastic disk and a back plastic disk through the circular holes; a plurality of polyvinyl chloride tubes can be longitudinally arranged in the culture cage, have a plurality of combinations of diameters, and are not densely arranged; the upper end of the culture cage is provided with the inflatable floating box, and the bottom of the culture cage is provided with the balance weight. The octopus culture cage can provide a habitat for the octopus and effectively prevent the octopus from killing and devouring each other, thus realizing high-density artificial culture of the octopus, effectively avoiding wind and wave attacks and improving the wind and wave resistances. The octopus culture cage is an ideal octopus culture device.

The invention discloses large-seaweed anti-wind wave cultivation apparatus used for adsorbing and purifying arsenic in seawater. The apparatus comprises a floating frame, a sunk frame arranged below the floating frame, floating balls and counterweight blocks, the floating balls are connected with the floating frame through ropes, the counterweight blocks are connected with the sunk frame through ropes, a plurality of supporting rods are fixed between the floating frame and the sunk frame at intervals, the floating frame, a shaping frame and the supporting rods form a cultivation framework, a plurality of upper-lower symmetrical hanging ropes are separately arranged in the floating frame and the sunk frame at intervals, seedling ropes are fixed between upper hanging ropes and lower hangingropes, seedling clamps are arranged on the seedling ropes along a longitudinal direction at intervals, hollow cavities communicating with each other are arranged in the floating frame, the hollow cavities form a buoyancy regulating cavity, the bottom surface of the floating frame is provided with a one-way drainage pipe which communicates with the buoyancy regulating cavity, and the floating frameis provided with a buoyancy control device for controlling floating and sinking of the floating frame. According to the invention, the seawater or air is introduced into the buoyancy regulating cavity in the floating frame through the buoyancy control device to control the sinking and the floating of the floating frame, so that the wind wave resisting capacity is improved, the protection of the cultivation framework is realized, and the stable growth and propagation of large seaweed are facilitated.

The invention discloses a construction method of a lake water purification system. The method includes the steps of: (a) site surveying; (b) site construction; (c) precipitation zone configuration; (d) aeration zone configuration; (e) compounding zone configuration; (f) ecological planting zone configuration; (g) floating island unit establishing; and (h) regional beautification. The method provided by the invention has the advantages of simple construction, short construction period and cost saving, and after construction, the purification system has the functions of water storage, flood control, and water and air purification, can protect biodiversity, adjust microclimate and improve environmental quality, thus laying the foundation for water quality improvement of regional lake water.

A deep sea culture platform comprises a closed platform frame floating on the water. A large net is arranged inside the platform frame. The platform frame comprises bamboo or wood fixed inside the platform frame in a multi-layer and parallel mode at the interval of 5-50 centimeters, wherein rot prevention and moth prevention treatment is carried out on the bamboo or the wood. The deep sea culture platform further comprises mixed light-weight aggregate concrete poured inside the platform frame, and the density of the mixed light-weight aggregate concrete is 400-970 kilograms per cubic meter. The mixed light-weight aggregate concrete is formed by mixing rice shells, woven bag filaments or polypropylene fibers, building glue, early strength agents, polystyrene foam particles, water and cement. The platform frame serves as the foundation of the culture platform so that the culture depth and the culture area of the culture platform can be increased greatly. Various auxiliary culture facilities can be constructed on the platform frame so that the culture benefit can be increased. According to the rule of the tides, the manufacturing difficulty and the manufacturing cost are lowered greatly through a manufacturing method of the deep sea culture platform.

The invention provides an improved main frame of an offshore net cage. The main frame consists of a floating pipe, and is characterized in that the floating pipe is a hollow elliptical pipe with a horizontal long axis and is prepared by processing a round pipe with relative draught of 10%-20%, and the relative draught refers to the percentage of the ratio of the amount of draught to the blank diameter before flattening. The improved main frame for the offshore net cage is reasonable in structure, high in operability, saved in cost, steady in connection, and improved in stability, anti-typhoon capability and risk prevention capability; and the main frame is mainly used for improving the strength and improving the wind and wave prevention level on the premise of not changing the overall size of an existing main frame, promoting offshore net cage culture to deep open sea areas, and realizing safe culture production in open sea areas with water depth of 20-60m.

The invention relates to a bottom sowing-type mariculture facility which is suitable for the sea area with silt bottom, in particular to a bottom sowing-type raft frame and a net cage for marine bivalve mollusks, sea cucumbers or mixotrophic culture of marine bivalve mollusks and sea cucumbers. The facility is provided with a PVC pipe, a polyethylene rope for fixing the PVC pipe, a webbing, a stake or an anchor for fixing the facilities, a rope fixed on the stake or the anchor, and a fixable floating ball which is connected to the rope and floats on the surface of water; the PVC pipe is fixed on the polyethylene rope in parallel, the polyethylene rope is arranged in parallel, is perpendicular to the PVC pipe, is positioned at the upper side and the lower side of the two terminals of the PVC pipe and forms the structure similar to a 'soft ladder'; the 'soft ladder' is externally covered by the webbing, and a plurality of independent net cages are formed by combining the PVC pipe, the polyethylene rope and the webbing; the two ends of the undrawn 'soft ladder' are fixed at the bottom of the sea by the stake or the anchor respectively, and the floating ball is fixed at the two ends of the 'soft ladder' by the rope. The facility can effectively prevent the enemies and reduce the influence of storm and ocean current, thus being convenient for management and harvest and favorable to the comprehensive utilization of mariculture area.

The invention provides a marine ecological culture combined net cage and belongs to the technical field of aquaculture equipment. The marine ecological culture combined net cage comprises at least twoaquaculture net cage units combined through fixing modules; every aquaculture net cage unit comprises a polygonal main floating platform, the bottom surface of the main floating platform is fixedly connected vertically arranged sealing floating columns, the bottom of every sealing floating column is coaxially connected with an inlet and drainage floating column, the bottom surface of every inletand drainage floating column is connected with a bottom rack corresponding in shape to the main floating platform, the bottom racks, the sealing floating columns and the inlet and drainage floating columns are provided with nets, the side surfaces and the bottom surface of the inlet and drainage floating columns are provided with water holes arranged in a crossed mode, the number of the water inlet holes of the inlet and drainage floating columns is greater than that of the water outlet holes of the inlet and drainage floating columns, and the inlet and drainage floating columns are internallyprovided with semi-floating balls. The marine ecological culture combined net cage connects the aquaculture net cage units through combination, is high in wind and wave resistance, and can achieve wave-induced floatation reducing effects and a self-cleaning function, thereby high in stability in water.

The invention provides an aquaculture cage resistant to stormy waves, and belongs to the technical field of aquaculture cages. The aquaculture cage comprises a cage body, a rotating shaft, a rotatingrod, two supporting rods and an auxiliary steering mechanism, wherein the rotating shaft is coaxially and rotatably arranged in the cage body, the rotating shaft is slidably provided with a main floating block, the lower end of the rotating shaft stretches out of the bottom of the cage body, the rotating rod is horizontally and fixedly arranged at the lower end of the rotating shaft, the two supporting rods are vertically and fixedly arranged at the two ends of a rotating plate respectively, the sides, away from the cage body, of the two supporting rods are provided with baffles respectively,the auxiliary steering mechanism is arranged on the rotating shaft stretching out of the upper end of the cage body, and the auxiliary steering mechanism can assist the main floating block in drivingthe rotating shaft to rotate. The aquaculture cage resistant to the stormy waves can effectively resist the stormy waves in different directions and improve the stability of the aquaculture cage.

The invented full automatic fish culture in net cage complete set equipment and its counting bait-throwing method relates to assembling float operation platform and automatic bait-throwing device andits counting bait throw method. The frame structure of net cage uses parts assembling structure, float and operation platform combined into one body, that is, the special metal cage not only is float, but also as operation platform, at same time as main structural parts of net cage. Bait throwing device is composed of all-weather set, working time set, stop doing time set, counting device, microprocessor, digital code display, storage, driver, electric bait throw machine etc.. The present invention is rational in structure, high in performance price ratio, good in stability, full automatic control etc.

The invention provides a wind wave blocking type hybrid ship which comprises a ship body, a cabin, a water baffle I, a rotating shaft I, a water baffle II and water filter slots, wherein the water baffle I and the water baffle II are connected together through the rotating shaft I; the lower end surface of the water baffle I is connected with the left side of the ship body, and the lower end surface of the water baffle II is connected with the right side of the ship body; the water filter slots are formed in the outer surface of the water baffle II; a manger board is mounted outside the ship body, and is connected with the ship body through the rotating shaft II; a servo motor is mounted in the ship body; the lower end of an adjustment screw rod is assembled in a guide sleeve; the upper end of the adjustments crew rod is connected with the manger board; the upper end of the guide sleeve is mounted in the end surface of the right side of the ship body; the lower end of the guide sleeve is connected with the servo motor. The wind wave blocking type hybrid ship is reasonable in structure, high in wind wave resistance performance, high in sailing stability and high in reliability.

The present invention discloses a macro-algae breeding floating frame for adsorbing arsenic in seawater, which comprises a floating frame, a floating ball connected with the floating frame, a connecting standpipe with two closed ends, a piston rod, and a floating airbag. A buoyancy adjusting cavity is arranged in the floating frame. A unidirectional drain pipe is arranged on the bottom surface ofthe floating frame. The connecting standpipe passes through the floating frame, and both ends of the connecting standpipe protrude out of the floating frame. Water inlet holes are formed in the outerside wall of the connecting standpipe, below the floating frame; air inlet holes are formed in the outer side wall of the connecting standpipe, inside the floating frame; a high pressure gas pipe is connected with the outer side wall of the connecting standpipe, above the floating frame; the top end of the connecting standpipe is provided with an air outlet check valve. A first piston is arrangedin the connecting standpipe. One end of a piston rod is fixedly connected with the first piston, and the other end of the piston rod is fixedly connected with the floating airbag. The piston rod is sleeved with a first spring, between the first piston and the upper wall of the connecting standpipe. The macro-algae breeding floating frame for adsorbing arsenic in seawater has ingenious structure, can adjust ups and downs, has strong anti-wind-wave ability and great practical value, and is conducive to the stable growth and reproduction of macro-algae.

The invention discloses a high speed double-ended vessel capable of displacing left and right for horizontal sailing without sinking or turning around, which consists of a double-ended hull, power wings arranged under water lines on two sides of the double-ended hull, balance wings, an airbag chamber provided with airbags, a capsule in which a power system and an air supply system are arranged, and a comprehensive services building. The high speed double-ended vessel is characterized in that: double ends of the vessel are symmetrical and are all stems; the power swings on the two sides replace the traditional rear propeller and rudder plate; when the power swings on the two sides simultaneously drain water to a stem 2, the vessel advances towards a stem 1; inversely, when the power swings on the two sides simultaneously drain water to the stem 1, the vessel advances towards the stem 2; when a swing on one side simultaneously drains water to the outside of the side, the vessel horizontally sails off shore or inshore; the swings on the two sides simultaneously drain water downwards, the sinking vessel can instantly float upwards under the reacting force, and when airbags on the two sides are started, the vessel can be locked and prevented from sinking; when the balance swings on the two sides are stretched, the vessel can form a widened whole for resisting hurricanes without rollover; therefore, the aims that the vessel can displace left and right for horizontal sailing without sinking or turning around, and two ends all can sail at high speed are achieved.

The invention provides a double-catching system efficient trapping system for large-area water area purse net breeding, and belongs to the technical field of facility breeding engineering. The double-catching system efficient trapping system comprises piles, catching devices, a grading region, trapping regions, bait throwing regions and a catching platform. Guide rails are laid on the upper portions of the piles, a catching machine installed on the upper portions of the guide rails, the catching platform is arranged on the left sides of the guide rails, the trapping regions are arranged on thetwo sides of the catching platform, and the catching devices are arranged inside the trapping regions. The double-catching system efficient trapping system has the functions of breeding, catching andtrapping, can realize artificial intelligence and mechanization, sieve fishes and keep the shape of a net well, and can automatically clear off attachments on the net through impacting of seawater.

The invention discloses a double-column flexible aquaculture purse seine in a shallow sea, and belongs to the technical field of purse seine aquaculture devices. The purse seine comprises column pilesconnected with a seabed and a main net connected with the column piles, the top ends of the two longitudinal column piles are fixed by cross bars, the column piles are symmetrically arranged at bothsides of the main net, the section of the main net is X-shaped, the junctions of the main net are connected by steel ropes, and the upper part of the main net is fixed with the upper ends of the column piles through lassos; the lower part of the main net is fixed with the lower ends of the column piles through lassos and buried into the seabed, the column piles are fixed with the seabed of the shallow sea through pile bases, the column piles are fixed with the pile bases through fixing devices, and a double-layer net with netting large in mesh size is arranged on the portion, between a high tide place and a low tide, of the main net. According to the technical scheme, the situation can be avoided that netting is damaged because the purse seine is stacked and entwined at different tide places; the stability and the capability for resisting wind and waves of the whole structure of the aquaculture purse seine can be improved; the purse seine has the advantages of being applicable to large-scale purse seine engineering in shallow seas, simple in construction, economical, environmentally friendly and high in universality and sustainability.

The invention provides a power generation platform used for the ocean. The power generation platform comprises a base, a tube and a connecting tube. The tube is arranged on the base, a seal plate is arranged at the upper end of the tube and connected with a rotating shaft in a rotating mode, fan blades are fixedly connected to one end of the rotating shaft, the other end of the rotating shaft is fixedly connected with an input shaft of a speed reducer, an output shaft of the speed reducer is connected with an input shaft of a first generator, through holes are formed in the side wall of the lower end of the tube, the large-inner-diameter end of the connecting tube is fixedly connected inside the through holes, two fixing plates are oppositely arranged at the small-inner-diameter end of the connecting tube, a transmission shaft is connected between the two fixing plates in a rotating mode, a second impeller is fixedly connected to the transmission shaft, a third generator is fixedly connected to one fixing plate, an input shaft of the third generator is fixedly connected with one end of the transmission shaft, a ventilation hole is further formed in the side wall of the upper end of the tube and fixedly connected with a ventilation tube, and a valve is arranged on the ventilation tube. Wind energy and tidal power can be sufficiently utilized for power generation, and a self-protection function is achieved.

The invention discloses a solar ecological floating island and a water ecological restoration method, and belongs to the field of water treatment. The solar ecological floating island comprises a solar photovoltaic panel, a solar support, a solar distribution box, a storage battery, a solar controller, a solar inverter, a time controller, a power socket, an air compressor, an over-water floating platform, aquatic plants, artificial floating islands, hollow flower dishes, flower baskets, built-in plastic foams, fishing nets, biological carbon fiber water treatment fillers, aeration sand heads, silica gel soft pipes and ceramic particles, and the floating island is divided into an over-water portion, a water surface portion and an underwater portion. Electric energy is provided by the aid of a solar power supply system, automatic aeration can be achieved without external contamination, so that reoxygenation of water bodies is achieved, aerobic environments are provided for the underwater biological carbon fiber water treatment fillers, organic pollutants in polluted water bodies can be effectively reduced, nitrogen and phosphorus are removed, inhabiting and breeding places are provided for biology in the water bodies, diversities of water-body biology are richened, and in-situ restoration of the water bodies is achieved.

The present invention provides a flexible connected net cage frame, it includes main floating tube, main floating tube three-way, guard bar tube, guard bar tube three-way and guard bar upright column tube. It is characterized by that the described main floating tube at least has four independent vertical main floating tubes which are head-to-tail successively movably connected together by means of connecting components, and can be relatively moved between them to form polygon net cage frame having at least four sides, and every side can be independently moved with wave so as to raise its capability for resisting wave.

The invention relates to a water traffic transportation tool. The water traffic transportation tool comprises a boat bottom (1), boat sides (2), a deck (3), a surge guide groove (4) and a wave pressing and guiding baffle (5). The surge guide groove is arranged in a space between the bottom which vertically indents into the boat bottom and the deck and extends from the bow to the stern, the transverse section of the surge guide groove is arc-shaped, and the ceiling of the longitudinal section is low at the front and high at the back. The top transverse section of the wave pressing and guiding baffle is arc-shaped, and the ceiling of the longitudinal section is low at the front and high at the back. The water traffic transportation tool can be designed into forms of single, double and trisome. The water traffic transportation tool has good hydrodynamics characteristics, is capable of getting rid of large resistance of water greatly so as to improve ship speed and ship course stability, in addition, the boat can turn stably and quickly with small turning radius and the danger of overturn can not happen, and therefore maneuverability, flexibility and seakeeping of the water traffic transportation tool are improved greatly.

The invention provides an improved floating type wind-wave-resisting net cage, and belongs to the technical field of deep sea net cage culture devices. The improved floating type wind-wave-resisting net cage comprises a net cage framework body and net clothes arranged in the net cage framework body. The net cage framework body comprises two horizontal main buoyancy pipes, a horizontal sub buoyancy pipe, horizontal guard rails, vertical guard rails, connection pipe fittings, anchor stones and a grid sunk framework. By means of the improved floating type wind-wave-resisting net cage, safety of operating personnel and wind-wave resistance of the net cage are improved, safety of the culture net cage is guaranteed, and the risk that the culture net cage sinks due to the fact that water enters the overall buoyancy pipes is avoided.

The invention relates to a floating photovoltaic device and a floating photovoltaic power generation array formed the same. The photovoltaic device comprises component units and a central control bin, wherein the component units surround the central control bin and are in flexible connection with the central control bin; the central control bin gathers electric energy of the surrounding component units and supplies power to the outside intensively; adjacent component units are flexibly connected; the component units are provided with floating devices which can control the buoyancy force. A plurality of floating photovoltaic devices provided by the invention can be combined to form a larger floating photovoltaic power generation array; and the adjacent component units of the adjacent floating photovoltaic devices are connected flexibly. The invention has the advantages that the floating photovoltaic device can be arranged in water area safely and reliably and can control the wind and wave resistance of the floating device. A large photovoltaic power station can be formed by assembling the floating photovoltaic devices, the operation in the whole installation process is simple, and the structural cost is low.

The invention discloses a net cage anchor chain system with energy dissipation function, including an anchor chain and multiple elastic cables, wherein each elastic cable comprises a barrel, and the barrel is provided with a pull rod, one end of the pull rod extrudes the top plate of the barrel and is provided with mooring ring 1, the other end of the pull rod is on the barrel and is provided with a support plate, the pull rod is sleeved with a spring, both ends of the spring withstand the support plate and barrel top plate, the opening end of the barrel is installed with bottom blanking plate, the center in the outer wall of the bottom blanking plate is provided with a fixing rod, end of the fixing rod is tied with mooring ring 2, and a single anchor chain is distributed with multiple elastic cables whose head and tail are connected. The internal spring of the elastic cable of the invention has bigger and recoverable elastic deformation under anchor force to connect anchor chain and head and tail of multiple elastic cables to form a net cage anchor chain, which can have bigger deformation under wind wave to positively adapt to high frequency vibration and impact load, with energy dissipation function. The net cage anchor chain system can protect net cage and anchoring foundation and improve capacity of resisting wind wave.