44results about How to "Good performance against wind and waves" patented technology

The invention provides a full-automatic cruising batch feeding ship for a prawn pond. The ship comprises a ship body, a fodder box, a batch feeding controller, a distance detector and a solar cell panel. The ship body is of a double-body three-propeller structure. An engineering plastic mould is used for injection moulding. Good corrosion resistance, stability and wind wave resistance are achieved. A GPS locating instrument is arranged in the ship body and can effectively prevent the ship from yawing during traveling. A wind turbine and a feeding locking device are arranged in the batch feeding device, feeding amount can be controlled according to needs, and prawn fodder is evenly and accurately thrown to feeding points of prawns. The ship is suitable for carrying out batch feeding in ponds with different shapes and different sizes, batch feeding effect is good, the solar cell panel is used as a driving energy source, environment pollution is lowered, and energy is saved. The ship has the advantages that batch feeding is automatic, manual operation is of no need, energy loss is reduced, and labor cost is lowered.

A submerged generating device directly utilizing liquid metal magnetic fluid wave energy consists of an outer barrel (1), a piston rod (2), a return spring (13), an inner barrel (3), a piston (4), a main hydraulic cylinder (5), a rigid support (11), a base (12), n (n=1, 2, 3...) hydraulic units and n (n=1, 2, 3...) liquid metal magnetic fluid generators. The outer barrel (1) is coaxial with an inner barrel (3), the inner barrel (3) is fixed on the rigid support (11), the inner barrel (3) is fixedly connected with the rigid support (11) and the base (12), the base (12) is fixed on a seabed, the outer barrel (3) is connected with the piston (4) which is coaxially arranged in the main hydraulic cylinder (5) via the piston rod (2) which is arranged along an central axis of the inner barrel (3), the return spring (13) is sleeved outside the piston rod (2), the main hydraulic cylinder (5), the n hydraulic units and the n liquid metal magnetic fluid generators are arranged in the inner barrel (3), and the whole device is vertically arranged below the sea level.

The invention discloses an FPSO ship. The total length of a ship body is 310m to 330m; the molded breadth is 60m to 65m; the moulded depth is 30m to 35m and the maximum draft is 20m to 25m; from a stern to the other stem of the ship body, the ship body sequentially comprises a living building, a main power station, a power distribution module, a heat station module, a process system module, an oil gas processing and metering module and a flare tower, wherein four mooring sites are symmetrically arranged at the left and right boards of the stern and the other stem of the FPSO ship in total; the left and right boards of the stern are respectively and symmetrically provided with a set of external oil transportation device. According to the FPSO ship, the principle dimension of the ship body meets the oil storage capacity of an oil hold of the FPSO ship and the demands of an upper part module, as well as that the functions implemented are adaptive to the ship type; furthermore, the layout of the stem, the middle part of the ship and the other stem meets the living and operating demands of personnel; in addition, by adopting the multi-site mooring, the maximum tension of a mooring line of the mooring system and the maximum operating response of the ship body can be controlled better; and the external oil transportation device can be set to prevent the danger of being impacted with the FPSO ship.

The invention discloses an oversea floating type nuclear power generating device of a polygonal structure, and belongs to the technical field of ocean engineering nuclear power. The oversea floating type nuclear power generating device comprises a living area module, a GPS signal receiving device and a nuclear power generating device set, and is characterized by further comprising a floating type platform body, a damping plate for restraining the heaving movement of the platform body and a plurality of full-rotation positioning propellers, the floating type platform body is of a polygonal structure with a cavity inside, the nuclear power generating device set is installed in the cavity of the floating type platform body, the living area module is installed on a main deck of the floating type platform body, the GPS signal receiving device is installed on the top of the living area module, the damping plate is fixedly connected to the bottom of the floating type platform body, the outer diameter of the damping plate accounts for 104-115% of the outer diameter of the floating type platform body, and the full-rotation positioning propellers are evenly distributed at the lower portion or on the side wall of the damping plate according to the same circumference angle. The oversea floating type nuclear power generating device is outstanding in wind and sea resistance, the risk that due to the shaking of the floating type platform body, distribution pipes in a nuclear power station are broken can be greatly reduced, and meanwhile it can be ensured that the floating type platform body has good perpendicular movement performance.

The invention belongs to the technical field of ship measurement, particularly relates to a ship water gauge identification method, a ship water gauge identification system and a ship water gauge identification device based on a wall-climbing robot. The invention aims to solve the problems that an existing water gauge identification method is not easy to perform water gauge reading in a short distance and data reading is inaccurate. The method comprises the steps that carrying out scale calibration and reference identification coordinate alignment on the t frame, the t-1 frame and thet+1 frame of collected continuous k frames of water level images to obtain a fused image; performing curve fitting on the waterline discrete points of the fused image; obtaining the image parameters of the fused image, and calculating water surface scale values in combination with a fitting waterline; obtaining water surface water gauge scale readings based on k-2 water surface scale values. According to the invention, the wall-climbing robot is adopted to acquire video data at a short distance and read the scales of the image water gauge, so that the danger is reduced. The labor cost is saved. The efficiency and accuracy are improved. The systematic management is realized, and storage, management and search are easy in operation.

The invention discloses a floating type carbon sequestration shellfish and algae aquaculture method. The method includes that a floating type carbon sequestration shellfish and algae farm device which is capable of lifting shellfish to the water surface and keeping for a period of out-of-water time by means of inflation, wherein the out-of-water time is 0.5h-48h. Favorable functions of growth simulation and propagation of certain specific shellfish organisms can be realized by means of out-of-water treatment, respiration of the shellfish can be promoted, and carbon sequestration of the whole device is effectively improved. In addition, storm resistance can be improved by changing depth of immersion. Therefore, the floating type carbon sequestration shellfish and algae aquaculture method has the advantages of high carbon sequestration capability, high economic benefit, convenience in management and low storm influences.

A water platform includes a platform body and a plurality of buoys, characterized by, the buoys are arranged in an array, An upper part of that buoy is connected by a connecting body, A platform mainbody is arranged above the connecting body, an adjusting device is arranged between the connecting body and the platform main body, the adjusting device can adjust the distance between the connectingbody and the platform main body, a winch is arranged on the adjusting device, one end of the winch is fixedly connected with the anchor chain, and the other end of the anchor chain is connected with the anchor or the positioning pile. The work platform provides an aquatic platform with simple structure, stable performance, good anti-wind wave performance and safety performance, convenient manufacture and installation and low energy consumption through the combination and innovation of the structure of the platform main body, the buoy, the anchor chain and the buoyancy adjustment method thereof.

The invention aims at providing a semi-submersible type tide power generation device, which comprises a main floating body, main floating tubes, two horizontal side wings, side wing floating tubes, a generator, generator cabins, an impeller, two rotary frames, a hinge and a hinge machine, wherein the two horizontal side wings are arranged at two sides of the main floating body, the two horizontal side wings and the main floating body form a cross shape, two ends of the main floating body are respectively provided with the main floating tubes, side wing floating tubes are respectively arranged on the two horizontal side wings, generator cabins for installing generators are respectively connected onto the two horizontal side wings through respective vertical connecting wings, the impeller is connected with the generator, the hinge machine is arranged on the main floating body, the two rotary frames are respectively arranged on shafts of the two side wing floating tubes, one end of the hinge is connected with the hinge machine, and the other end of the hinge is connected with the rotary frames. The semi-submersible type tide power generation device has the advantages that the structure is simple, the production and manufacture cost is low, the installation and the maintenance are convenient and economic, the power generation performance is stable, and the semi-submersible type tide power generation device is suitable for being applied to high-sea-condition environment with rich tide energy.

The invention relates to a floating island monomer which comprises floating island plants and a packing substrate layer which is used for bearing the floating island plants and providing root spreading of the floating island plants. The packing substrate layer is a palm fiber board formed by pressing of palm fiber. The invention further relates to an ecological floating island applying the floating island monomer. Compared with the prior art, the floating island monomer is good in buoyancy and favorable for establishment of a micro environment ecosystem, and meanwhile, good anti-storm resistance can be achieved by the floating island monomer. In addition, heat preservation effect can be achieved for roots of the floating island plants, freeze resistance capability of the floating island plants is improved, and security for the winter is achieved; the ecological floating island composed of the floating island monomer is simple and stable in structure, convenient in processing and installation and good in anti-storm resistance of the total buoyancy clutch.

The invention discloses a transparent cylindrical undersea coral cultivation device and method, and is used for transplanted coral seabed cultivation. A sealing frame on the top of the device is provided with a cylinder top cover plate with holes, and multiple mounting holes with uniform distribution and same size are formed in the side wall of a cylinder. A transplanted coral adhesion medium is in a transverse cylinder shape, and the tail of the transplanted coral adhesion medium is provided with a press-in type fastening nail, thereby achieving efficient and stable fixation with the mounting holes. The bottom of the device is provided with a vertical pressure-bearing pile. The cylinder structure of the device has the stress characteristic of the arch structure, the bending moment is smaller in the marine complex power condition, and overturning does not occur easily. The device innovatively adopts a coral transplanting technology in the cylinder, which not only can resist strong wind and waves and other harsh conditions, but also can effectively avoid the threat of natural enemies. The device can be integrally prefabricated by adopting a transparent PC material, the illumination is utilized to the maximum extent to promote the photosynthesis of coral phycobiont and improve the growth capacity of the transplanted corals, the underwater buoyant weight is smaller, and the workload of the arrangement and placement by a diver is reduced.

The invention relates to a composite material offshore very-large floating structure. The composite material offshore very-large floating structure comprises a plurality of detachably-connected module units; every module unit is composed of a plurality of connected floating structures; every floating structure is composed of a first floating piece, a second floating piece and a plurality of connecting pieces, wherein the plurality of connecting pieces are connected at intervals, both ends of every connecting piece are connected with the first floating piece and the second floating piece respectively to form a plurality of connecting I-steel structures. The composite material offshore very-large floating structure is made of composite materials which are composed of base materials and reinforcing materials, wherein the base materials are vinylester resin, unsaturated polyester resin, epoxy resin or phenolic resin, and the reinforcing materials comprise felt cloth and fiber cloth. Therefore, the module units can be low in weight, easy to drag, capable of achieving rapid assembly and disassembly, convenient to transport and good in dynamic performance; the composite materials are less prone to erosion by seawater and accordingly improve the anti-erosion performance; the plurality of connected I-steel structures can enhance the wind and wave resistance.

The invention discloses a water floating platform.The water floating platform comprises a platform body (1) and multiple floating barrels (2); the water floating platform is characterized in that the platform body (1) is provided with a gas path system and an electronic control system, the floating barrels (2) are uniformly arranged along the platform body (1), a lattice structure is formed, the upper end of each floating barrel (2) is provided with an air inlet pipe (2.1) and a water outlet pipe (2.2), each air inlet pipe (2.1) is provided with a sub-control electromagnetic valve (3) connected with the electronic control system, the air inlet pipes (2.1) are connected with the gas path system, and the two ends of each water outlet pipe (2.2) fit with the bottom of the corresponding floating barrel (2) and the external water level respectively.The water floating platform has the advantages of being simple in structure, good in stabilizing performance, storm resistance and safety performance, convenient to make and install and low in energy consumption.

The invention belongs to the field of ecological support of a water conservancy project, and provides a wave elimination structure and an installation method thereof. According to the technical scheme, steel pipe piles are inserted into an underwater soil layer and are arranged in multiple rows; and a bamboo row is arranged between the adjacent steel pipe piles as a retaining wall and is arrangedabove the mud surface of the underwater soil layer. The wave elimination structure suitable for an area with large waves in the lake district and the installation method thereof are provided, waves are reduced effectively, and economically feasible is realized.

The invention relates to a cultured fish grate connection structure which comprises a longitudinal pipe, a transverse pipe and a connection piece. The connection piece comprises a first main pipe and a first side pipe. A first opening and a second opening are formed in the two ends of the first main pipe respectively. A channel allowing the transverse pipe to pass through is formed between the first opening and the second opening. The cultured fish grate connection structure further comprises a first limiting piece and a second limiting piece. The first limiting piece corresponding to the first opening is arranged on the transverse pipe. The second limiting piece corresponding to the second opening is arranged on the transverse pipe. One end of the first side pipe is perpendicularly connected with the first main pipe. The other end of the first side pipe is connected with the longitudinal pipe. The invention further provides a manufacturing method of the cultured fish grate connection structure. By the adoption of the technical scheme, the situation that the joint of the transverse pipe and the connection piece and the joint of the longitudinal pipe and the connection piece crack can be reduced greatly, the wind wave resistance of the cultured fish grate connection structure is improved effectively, and the service life of the cultured fish grate connection structure is prolonged effectively.

The invention discloses a buoy device applied to water conservancy monitoring and a using method thereof. The buoy device comprises a buoy, the buoy is connected with a plurality of floating balls, the floating balls are rotationally connected with lower sliding rods arranged in the inclined direction, the lower sliding rods penetrate through the floating balls, the upper ends of the lower sliding rods are connected with upper sliding rods, and the upper sliding rods are slidably connected with wind direction and wind power indicators; and the lower end of the lower sliding rod is connected with a plurality of sliding seats in a sliding mode, the sliding seats are all connected with the wind direction and force indicator through pull ropes, the sliding seats are hinged to supporting rods through supporting rods, elastic cloth is connected between the adjacent supporting rods, the upper ends of the supporting rods are hinged to the outer wall of the lower sliding rod, and the sliding seats are connected with the lower sliding rod through reset springs. According to the device, the opening amplitude of the elastic cloth can be adaptively adjusted along with the direction and force of stormy waves, the fluctuation of the buoy is greatly reduced, and the detection error caused by the fluctuation of the buoy is effectively reduced.

The invention is applicable to the technical field of materials, and provides a high-strength fiber composite material applicable to a marine bionic fishing environment and a preparation method and application of the high-strength fiber composite material. The composite material comprises a mixed fiber non-woven fabric layer and a coating layer coated on the surface of one side or the surfaces oftwo sides of the mixed fiber non-woven fabric layer, wherein the mixed fiber non-woven fabric layer is prepared by taking engineering fibers such as aramid fibers, ultra-high molecular weight polyethylene fibers, carbon fibers and polyphenyl ether as main raw materials and adding nano fluorocarbon, and the obtained composite material can be used for preparing marine fishing equipment and aquaculture equipment such as fishing nets and net cages. Compared with an existing wood structure net cage, the composite material has the obvious breaking strength advantage and has excellent wear resistance, weather resistance, corrosion resistance and stormy wave resistance, and the service cycle is long.

The invention discloses a flexible assembly platform and a preparation method thereof, and relates to the field of composite material structures and application. The flexible assembly platform comprises a plurality of square box type buoys, four horizontally-arranged connecting lug bodies are symmetrically arranged on the square box type buoys, and the connecting lug bodies are located at the fourcorners of the square box type buoys. Connecting lug holes are formed in the connecting lug bodies, and connecting pieces are arranged in the connecting lug holes in a penetrating mode. A flame-retardant layer is arranged on the outer surfaces of the square box type buoys. The flexible assembly platform prepared by the preparation method of the flexible assembly platform provided by the inventionis high in flame retardance, high in safety degree, light in weight and high in strength.

The invention discloses a shallow water area direct burial pipeline fine detection platform and method. The platform comprises a bottom plate and safety guardrails fixed to the two sides of the bottomplate. The bottom plate is formed by splicing a plurality of square foam blocks; every two adjacent foam blocks are connected in a matched and clamped mode through the corresponding extending clamping block and the corresponding inwards-concave clamping groove. The foam block comprises a square connecting part with a through hole formed in the middle and a rotating part rotationally clamped in the through hole. Sounding holes are formed in the rotating parts in rows; anchoring holes are formed in the positions, close to the four corners, of the bottom plate. The bottom plate is composed of the multiple spliced foam blocks, a platform for bearing operators and operation tools is formed, the sounding holes are formed in the foam blocks, the manufacturing cost is low, and the stability in water is good; the foam blocks are designed to be the rotating parts and the connecting parts, after the bottom plate is anchored, the rotating parts of all the foam blocks are further rotated to finelyadjust the directions of all the rows of sounding holes, the vertical precision of the arrangement direction of the sounding holes and a target pipeline is improved, and therefore the measurement precision is improved.

An offshore platform includes a platform body and a plurality of buoys, characterized by, the buoys are arranged in an array, An upper part of that buoy is connecte by a connecting body, A platform main body is arranged above the connecting body, an adjusting device is arranged between the connecting body and the platform main body, the adjusting device can adjust the distance between the connecting body and the platform main body, a steel pipe pile is arranged at the float center around the platform main body, the steel pipe pile is inserted into the seabed for fixing, and the float is movably connected with the steel pipe pile. Through the combination and innovation of platform main body, buoy, steel pipe pile and buoyancy adjustment method, a kind of offshore platform with simple structure, stable performance, good anti-wind wave performance and safety performance, convenient fabrication and installation, and low energy consumption is provided.

The invention discloses a platform.The platform comprises a platform body (1), an air cushion floating body (2), multiple longitudinal floating barrels (3) and multiple transverse floating barrels (4).The platform is characterized in that the platform body (1) is provided with an air path system and an electronic control system which are connected with the air cushion floating body (2) and the longitudinal floating barrels (3); the air cushion floating body (2) is matched with the bottom of the platform body (1), the longitudinal floating barrels (3) penetrate through the bottom of the platform body (1) and are evenly arranged along the platform body (1) to form a lattice structure, and the transverse floating barrels (4) are evenly arranged along the periphery of the platform body (1).The platform has the obvious advantages that the structure is simple, operation, assembly, disassembly and transportation are convenient, the influences of wind waves, ocean currents, sea wind, tide and the like are small, stability, wind wave resistance and safety are good, and the service life is long.

The invention discloses a netting for fast collecting fish, wherein the netting has a main net which is similar to a closed cylinder after being unfolded; a relatively small opening is formed at the upper centre of the main net; the opening is connected with a net neck; and a detachable sklipknot skipknot connecting component which can be fast connected with an external rigid framework is arranged on an external rope of the main net. An opening between the upper side of the main net and athe water level can be kept during thea breeding process at ordinary times by the net neck connected with the opening, so that convenience in management during production is provided. The external rigid framework is provided with a semi-submersible tower which can prevent waves from acting on the net neck. The netting for fast collecting fish disclosed by the invention overcomes the defect that the strength of a net cage framework is subjected to a fatigue damage for the reason that the conventional net cage main nets which are located on the water level are easy to fluctuate with waves. Therefore, the netting for fast collecting fish has the advantages of novel structure, good laying stability, strong wind wave resistance, large carrying capacity, good fish protection effect, and convenience in management.

The invention belongs to the technical field of ship measurement, and in particular relates to a method, system and device for ship water gauge recognition based on a wall-climbing robot, aiming to solve the problem that the existing water gauge recognition method is not easy to read the water gauge at close range and the data reading is inaccurate The problem. The method of the present invention comprises: performing scale positioning and coordinate alignment of reference marks on the tth frame, t-1 frame, and t+1 image of the collected continuous k-frame water level images to obtain a fusion image; performing a curve on the waterline discrete points of the fusion image Fitting; obtain the fused image parameters and combine the fitting waterline to calculate the scale value of the water surface; use the scale prediction network to obtain the scale reading of the water surface water scale based on k-2 water surface scale values. The invention uses a wall-climbing robot to obtain video data at close range, reads the scale of the image water scale, reduces risks, saves labor costs, improves efficiency and accuracy, and realizes systematic management, which is easy to store, manage and search.

The invention discloses an overwater platform which comprises a platform body (1) and multiple floating barrels (2). The overwater platform is characterized in that the floating barrels (2) penetrate the bottom of the platform body (1) and are evenly arranged along the platform body (1) to form a lattice structure; the platform body (1) is provided with a gas circuit system and an electric control system which are connected with the floating barrels (2); each of the four corners of the platform body (1) is provided with a balance control region (1.1); buoyancy control regions (1.2) are arranged at the positions, among the balance control regions (1.1), at the four edges of the platform body (1); and a storage region (1.3) is arranged in the middle portion of the platform body (1). The overwater platform has the quite obvious beneficial effects of being simple in structure, convenient to operate, assemble, detach and transport, good in stabilization performance, stormy wave resistant performance and safety performance and high in floating barrel use rate.

The invention discloses an ecological floating island device for purifying micro-polluted water bodies. The ecological floating island device is suitable for improvement of the water quality of urban rivers, ecological construction of the artificial lakes in the residential communities, purification of the water of the artificial wetlands and purification and improvement of various micro-pollutedwater bodies and has the functions of adsorption and interception, microbial degradation, aquatic plant absorption and the like towards the pollutants. The ecological floating island device comprisesan upper ecological floating bed, middle connecting devices and a lower China fir crib water treatment reactor. The ecological floating island device is characterized in that the ecological floating island device integrates the advantages of the adsorption filler water purifier and the traditional ecological floating bed on the basis of having the characteristics of the adsorption filler water purifier and the traditional ecological floating bed to form a more systematic structure form; the structure form more effectively utilizes the water body space while enhancing the capability of purifying the pollutants in the water bodies, reduces the construction difficulty and ensures the plant floating bed to be more flexibly applied in the engineering.

The invention relates to ships, in particular to a wave power generation type paper bag transport ship capable of being detachably connected with wave-resistance anti-collision plates. The wave power generation type paper bag transport ship comprises a hull, a water wave vibration power generation mechanism, and a paper bag storage frame arranged on a deck; the paper bag storage frame comprises cross shelves and vertical baffles, and paper bag storage spaces are defined by the cross shelves and the vertical baffles; the anti-collision plates of a air cushion structure are hinged to the two sides of the hull through hinges and provided with driving handles, and hooks are arranged on the driving handles; the hull is provided with hanging rings, limiting parts and integrally formed threaded heads; when the hooks are hooked in the hanging rings, the anti-collision plates abut against the limiting parts and are kept horizontal; and the threaded heads penetrate through nuts and are connected with the nuts, so that the hinges are fixed to the hull, and the hinges and the anti-collision plates are integrally formed together. The wave power generation type paper bag transport ship has the advantages that paper bags can be conveniently piled high, electricity can be generated through water waves, the wave resistance is good, and the wave resistance structure is convenient to disassemble, and accordingly, the problems that existing ships are inconvenient in paper bag stacking and poor in wave resistance and cannot utilize water wave energy are solved.

The invention discloses a fast-assembly type water operation platform with a lifting function, the fast-assembly type water operation platform is formed by assembling a plurality of fast-assembly platform bodies through connecting pieces installed on the peripheries of the side portions, each fast-assembly platform body mainly comprises a supporting frame, a top panel, side panels, an air charging and discharging device, a fixed floating box and connecting pieces, the top panel is installed on the top of the supporting frame, the side panels are installed on the peripheral side portions, the bottom is open, and the supporting frame is formed by welding a plurality of longitudinal main steel channels and transverse main steel channels which are located on the top and the peripheral side portions and distributed in a longitudinal and transverse staggered mode; there are multiple fixed floating boxes which are located on the top of the supporting frame. The air charging and discharging device comprises an air charging and discharging pipeline and a quick air discharging valve; the connecting piece comprises a horizontal positioning device and a vertical positioning device. The platform is high in bearing capacity, good in reliability, high in safety, good in storm-resistant effect and capable of ascending or descending.

The invention relates to an oil containment boom. The oil containment boom is formed by connecting a plurality of oil containment boom monomers in series, and each oil containment boom monomer comprises a floating body, a flared body, a counter weight and connectors; the floating body is a cylindrical hollow cavity formed by wrapping cloth, and the flared body is arranged below the floating body;the counter weight is arranged at the lower edge of the flared body, and the connectors are arranged at the two side edges of the floating body and the flared body; the middle part of the flared bodyis provided with an eyehole, and the part, at a perforated zone, of the flared body is provided with adsorbing materials; the area of the perforated zone accounts for 1 / 4-1 / 2 of the area of the flaredbody, and the floating body is internally provided with the adsorbing materials; and the wrapping cloth is a mesh canvas, and the eyehole of the flared body is provided with a probe. According to theoil containment boom provided by the invention, oil spilling on water can be encircled and controlled, and the oil containment boom is particularly effective for encircling and controlling submergingoil, and has the characteristics of high wind wave resistance and good wave riding effect; and the oil containment boom is able to send an alarm for the submerging oil approaching to the oil containment boom.

The invention discloses a large integrated floating type net cage. The large integrated floating type net cage comprises an inflatable floating frame; a mesh is suspended at the lower side of the floating frame; a supporting pipe is arranged at the bottom part of the mesh; sinkers are uniformly distributed and connected to the supporting pipe; a bottom frame anchoring rope is connected to the supporting pipe; a top anchoring rope is connected to the floating frame; the top anchoring rope and the bottom frame anchoring rope which is matched with the top anchoring rope are integrally connected to an anchor body. According to the large integrated floating type net cage, the double-anchoring system is equipped with the top anchoring rope and the bottom frame anchoring rope which are pairwise arranged, so that the position of the supporting pipe can be stably kept under the floating frame, and as a result, the breeding capacity of the inner side of the mesh is relatively stable; in addition, the tension force, in particular the tension force from a traction rope to the mesh on the side surface can be reduced, and the whole net cage can be prevented from being damaged by strong waves; therefore, the net cage has the advantages of being firm in structure, convenient to replace, stable in space state, high in wind wave resisting effect, and convenient to catch fish.