89 results about "Storm wave" patented technology

The invention discloses an exploitation system for deep sea mineral resources. The exploitation system comprises an underwater mineral collection subsystem, a mineral transfer subsystem, a water surface support subsystem, an underwater control subsystem and a supporting guarantee subsystem, wherein the underwater mineral collection subsystem comprises mining submersible groups; the mineral transfer subsystem comprises a lifting submersible; the underwater control subsystem comprises a bathyscaph, and a nuclear power station is arranged in the bathyscaph; the supporting guarantee subsystem comprises a maintenance management submersible and a communication and navigation positioning device; the bathyscaph is connected with the mining submersible groups and the maintenance management submersible through umbilical cables and supplies energy and control signals to the mining submersible groups and the maintenance management submersible. According to the exploitation system for the deep sea mineral resources, the underwater subsystems are not required to be powered by the subsystems above water, once meeting severe weather such as heavy storm waves on the sea during working, the subsystems above water can be transferred to other places to avoid stormy waves while the underwater subsystems can continue normal operation, the operation requirements are not high, and the exploitation system is insensitive to the stormy wave weather on the sea.

The invention relates to a full-plastic airtight modularized airlift light biological reactor in the biological field, which is characterized in that a full-plastic transparent barrel part (1) uses adhesives, a full-plastic transparent base (3) is fixed to form a container, and a drain hole is arranged on the full-plastic transparent base (3) and connected with a full-plastic water valve to form a collection water outlet (17). A full-plastic transparent top cover (2) is firmly connected with the full-plastic transparent barrel part (1) through a full-plastic closed bolt (14) and a full-plastic sealing part (15) so as to form a full-plastic airtight light biological reaction tank body. The full-plastic airtight modularized airlift light biological reactor solves problems that complex coastal environment of our country, large changes of sea water temperature and large storm waves bring difficulty to microalgae outdoor breeding, light cannot penetrate through water when a planar culture pond is deep by adopting the planar culture pond mode, microalgae at the bottom of the planar culture pond cannot absorb enough light and breeding output efficiency caused by insufficient circularly stirring is reduced .

A dolabriform bow high-speed boat model adhered with wave-elimination-damping wings comprises a dolabriform bow, wherein two symmetrically distributed wave-elimination-damping wings are installed below waterlines on two sides of the dolabriform bow. When a boat sails on the peaceful sea surface or in small storm waves, the wave-elimination-damping wings have a wave-elimination effect, and a lifting force is generated on the wave-elimination-damping wings to raise a boat body, reduce contact area of the boat body and water and reduce friction resistance. Simultaneously, waves generated by the wave-elimination-damping wings and boat-shaped waves can mutually generate favorable interference to reduce wave-making resistance. Effects of the two aspects enable traveling resistance of the boat to be remarkably reduced. When the boat sails in large storm waves, the wave-elimination-damping wings have a damping effect on vertical motion of the boat in waves, so that the boat with the dolabriform bow can have small vertical accelerated speed and small vertical motion amplitude, and seakeeping performance of the dolabriform bow boat model is further improved.

The invention discloses a large floating type steel structure intelligent fishery breeding net cage suitable for a deep and far sea. The large floating type steel structure intelligent fishery breeding net cage comprises a net cage body, a netting, a mooring system, a first upper building structure and a second upper building structure; the net cage body is a steel structure frame, has a cross section of a regular hexagon structure, and is internally provided with bait bins; the netting is attached to the net cage body; a periphery of the net cage body is fixed to a seabed through the mooring system; and the first upper building structure and the second upper building structure are arranged on two sides of a top part of the net cage body respectively, an automatic feeding system, a netting cleaning system and a fish collecting system are arranged in the first upper building structure, and a central control room is arranged in the second upper building structure. The net cage body of the steel structure can effectively resist severe storm waves in deep and far sea areas, labor cost is greatly reduced through an automatic intelligent fishery breeding device carried on the net cage, and profits of deep and far sea fishery breeding are increased.

The invention discloses a four stand column-stabilizing multifunctional floating platform comprising an underwater equipment cabin and a ballast compartment, a water deck, a deck room and stand columns connecting the underwater equipment cabin and the water deck. Advantages of a traditional semi-submerged platform and a marine environment monitoring buoy are combined in the four stand column-stabilizing type multifunctional floating platform; the floating platform requires lower manufacturing cost compared with the semi-submerged platform and is easier to maintain, and compared with the buoy,the floating platform has stronger resistance of storm waves, longer service life and simpler structural profile, and can monitor more marine elements, has a deeper work area range, greater automaticcontrol degree and more comprehensive functions. The four stand columns are circumferentially arranged; square stand columns applied by a traditional large semi-submerged platform are replaced by round columns, so a water plane area can be reduced, so effects to a platform body by waves can be reduced and motion response can be lowered; and the floating platform can carry various equipment; and multifunctionality of the floating platform can be achieved according to the variety of carried equipment.

The invention discloses an unmanned vessel for favorably resisting storm waves and provides an unmanned vessel which is good in wave resistance, high in stability and endurance and flexible in changing of center of gravity. For solving the technical problems in the prior art, the unmanned vessel for favorably resisting storm waves adopts the technical solution that the unmanned vessel for favorably resisting storm waves comprises a central main hull and a sub-hull. The central main hull and the sub-hull are each provided with an equipment control system, an energy supply system, a communication and positioning system and a dynamic propulsion system. The unmanned vessel is provided with a sheltering device for coping with harsh environments such as heavy storm waves on the water surface. The sheltering device comprises a central sub-module and three secondary sub-modules. The central sub-module of the sheltering device mainly comprises a lifting device arranged on the upper part of a main hull cabin and an inflow and drainage device arranged inside the main hull. The three secondary sub-modules of the sheltering device mainly comprise ejecting devices arranged at the center of the sub-hull. The unmanned vessel for favorably resisting storm waves is applied to the technical field of unmanned vessels.

The invention discloses a non-cooperative target-oriented ocean robot cluster tracking optimization control method, which comprises the following steps of: firstly, respectively establishing a linearized ocean robot cluster dynamic model and a non-cooperative target dynamic model for an ocean robot system working in a water surface environment; then constructing a state tracking error system; designing a finite time sliding mode control protocol, and solving an equivalent state tracking error system moving on a sliding mode surface; a performance index function of the ocean robot cluster system is defined, a distributed state feedback nominal optimization control protocol is designed, and it is ensured that the performance index function meets global Nash equilibrium; and finally proving that the distributed state feedback nominal optimization control protocol can ensure the asymptotic stability of the equivalent state tracking error system by utilizing a Hurwitz stability theory. According to the method disclosed by the invention, the optimal tracking control of the ocean robot cluster system on the non-cooperative target with an uncertain control strategy can be realized under the interference of water surface storm waves in a complex ocean environment.

The invention discloses a floating algal reef. The floating algal reef can effectively carry out concentrated alga seedling putting, is good in protective effect, has the reasonable alga growth environment and can effectively protect and store algae which are hit by heavy storm waves. The floating algal reef comprises a whole frame, a sea surface floating body and a recycling cable. A plurality of brick grooves are formed in the whole frame, algal bricks are arranged in the brick grooves, brick pulling cables are arranged on the algal bricks, a main middle column is arranged on the whole frame and connected to the sea surface floating body, a plurality of tensioning bodies are arranged on the main middle column, the brick pulling cables are connected to one tensioning body, the brick pulling cables are in the tensioned state, one section of each brick pulling cable is wound around the corresponding tensioning body connected with the brick pulling cable, the tensioning bodies are a set of rotating drums arranged on the main middle column, and the tensioning bodies are fixed to the main middle column through fixing parts. The floating algal reef has the advantages that initial stage protection can be achieved for seedlings, losses caused by alga damage can be lowered when heavy storm waves come, and alga harvesting and whole frame reuse are convenient.

The invention discloses an offshore floating type wave power generation device based on a pendulum oscillation principle. The offshore floating type wave power generation device comprises a shell, a permanent magnet sphere, a coil inlay, an omnidirectional balance ring and a power storage device. The shell comprises an upper shell body and a lower shell body, the upper shell body and the lower shell body can be fixed in a sealed butt joint mode through end flanges, and an oval or approximately oval cavity is formed in the shell. The permanent magnet sphere is arranged in the shell, and the left and right ends of the permanent magnet sphere are fixed in the middle of the shell; the coil inlay is arranged in the permanent magnet sphere and clings to the permanent magnet sphere; the coil inlay comprises a coil body and a coil bundle; the omni-directional balance ring comprises an outer balance ring, an inner balance ring and a rotating shaft; the omni-directional balance ring is arranged in the coil embedded body; the electricity storage device comprises a rectification circuit board and a battery. The device is suitable for the situation of large storm waves in open sea, the balance ring in the device senses motion and continuously cuts magnetic lines, and therefore continuous electric power is generated to charge the battery.

A flywheel front cover and a flywheel rear cover are buckled to form a vacuum spherical shell, front-end electromagnetic poles are evenly distributed on the inner side of the flywheel front cover, rear-end electromagnetic poles are evenly distributed on the inner side of the flywheel rear cover, permanent magnet magnetic poles are evenly distributed on an outer hub of a flywheel, and permanent magnet magnetic poles are evenly distributed on an inner hub of the flywheel rear cover. When a ship jolts and shakes due to the influence of storm waves or ocean currents, the flywheel rotates at a high speed in the vacuum spherical shell in the left-right direction of the flywheel shaft, large rotational inertia is generated when the flywheel rotates at the high speed, and through energy transmission of the right side supporting damping cylinder, the left side supporting damping cylinder, the right side supporting damping cylinder rod and the left side supporting damping cylinder rod, the flywheel can rotate at the high speed. The energy for driving the vacuum spherical shell to swing left and right and horizontally is consumed, so that the rolling amplitude and frequency of the ship are greatly reduced, the course stability is improved, and the rolling amplitude and frequency of the ship can be reduced.

The utility model provides a visual float. The visual float comprises a shell, a magnetic floating block, a control module, a battery, a camera, an acceleration sensor and a Hall sensor, wherein the battery, the camera, the acceleration sensor and the Hall sensor are electrically connected with the control module. A closed inner cavity is formed in the shell, an open cavity is formed in the middle of the shell, the camera is arranged at one end of the shell, the control module, the battery and the acceleration sensor are all arranged in the closed inner cavity, the magnetic floating block is arranged in the open cavity, and the Hall sensor is arranged at the position, close to the open cavity, in the closed inner cavity. According to the visual fishing float, the magnetic floating block is arranged in the open cavity, so that the magnetic floating block and the shell can shake up and down when heavy storm waves exist, and the relative position relation of the magnetic floating block and the Hall sensor does not change greatly; therefore, whether the fish bites the hook or the float moves due to stormy waves can be distinguished through the magnetic field signals of the Hall sensor, the working stability is high, and wrong rod lifting signals are not prone to being generated.

The invention discloses a holothurian culture ship and relates to the technical field of holothurian culture ship equipment. According to the technical scheme, the holothurian culture ship comprises a ship body and a plurality of bases arranged on the ship body, traction mechanisms are arranged on the bases, and the traction mechanisms are connected with a plurality of culture net cages in a hanging mode; each culture net cage comprises an annular frame and a plurality of concave mesh fixing frames arranged in the annular frame, and meshes are inserted into the mesh fixing frames. The holothurian culture ship has the advantages that the culture net cages are combined with the ship body, lifting of the culture net cages is controlled through the traction mechanisms, and the culture net cages sink by a certain depth through the traction mechanisms when the ship encounters heavy storm waves; a plurality of mesh fixing frames are arranged in the annular frames, the number of meshes and the intervals between the meshes can be adjusted according to needs, the space in the cages is fully utilized, breeding benefits are improved, mesh cloth can be regularly replaced by a mesh cloth repairing mechanism or the mesh cloth can be repaired when the mesh cloth is damaged, and use safety is guaranteed.

The invention discloses an annular floating type fan system with a dense tensioning type structure, and belongs to the technical field of ocean wind power generation. The system adopts at least one buoyancy ring to provide main buoyancy, so that tensioning type mooring cables which are densely arranged have enough tension and are favorable for resisting ocean storm waves, and a central stand column is vertically arranged in the buoyancy ring structure in a penetrating manner; the two ends of the central stand column are annularly and regularly connected with at least one buoyancy ring through a plurality of dense prestress connecting bodies, so that a spindle shape is integrally formed, a wind power mechanism is arranged at the upper end of the central stand column in the axial direction of the central stand column, and the lower portion of at least one buoyancy ring structure is connected with an annular gravity anchor through a plurality of dense mooring cables. The central stand column and the buoyancy ring are connected by additionally arranging the prestress connecting body, vertical rigidity is provided for the formed floating mechanism, and therefore the steel consumption can be reduced on the whole, the purpose of a lightweight structure is achieved, and then the manufacturing cost of the structure is reduced.

The invention discloses a wind measurement device which comprises a buoy body, a wind measurement assembly and a posture correction assembly. The wind measuring assembly is arranged on the buoy body and used for measuring a wind field; the posture correction assembly is arranged on the buoy body and used for correcting the posture of the wind measurement assembly; the posture correction assembly comprises a fixing frame, a first correction frame and a second correction frame; the fixing frame is arranged at the buoyancy center of the buoy body. The first correction frame is rotatably arranged on the fixing frame and used for rotating relative to the fixing frame in the first direction; the second correction frame is rotatably arranged on the first correction frame, is used for rotating relative to the first correction frame in the second direction, and is used for placing the wind measurement assembly. The wind measuring device does not need to be provided with a satellite inertial navigation device or a complex swing table system, the power consumption and complexity of the device can be reduced, and the reliability of the device is remarkably improved; meanwhile, the accuracy of a measurement result is obviously improved, and wind field measurement can be accurately carried out even in a large storm wave environment.

The utility model discloses an anti-storm anti-toppling buoy which comprises a buoy body and a balance assembly, and the top of the buoy body is of a cavity structure. The balance assembly comprises a balancing weight, a fixing rod, a hinge rod and a bearing plate. The bearing plate is located in a cavity of the buoy body and is in sliding connection with the buoy body, the multiple balancing weights are located in the anti-collision support and are in sliding connection with the anti-collision support, one end of the fixing rod is fixed to the balancing weights, the other end of the fixing rod is hinged to one end of the hinge rod, and the other end of the hinge rod is hinged to the bearing plate; through the arrangement of the balance assembly, seawater is poured into the bearing plate of the buoy body through stormy waves, the gravity of the seawater is utilized to drive the bearing plate to move downwards, the balancing weight is driven to move towards the outer side of the buoy body, the gravity of the outer side of the buoy is increased, and the outer side part of the buoy can be supported by more buoyancy; the impact of large storm waves on the inner side of the buoy is reduced, so that the whole buoy is kept stable, and the buoy is balanced.

The invention discloses an assembly type prefabricated wave wall and a construction method thereof, and relates to the field of hydraulic engineering. The assembly type prefabricated wave wall is characterized in that the assembly type prefabricated wave wall comprises prefabricated wave wall blocks, a groove and cast-in-place concrete blocks, each prefabricated wave wall block is composed of a connecting face and a water facing face, the water facing face is a plane, and the groove is formed in the connecting face. According to the assembly type prefabricated wave wall and the construction method, the cast-in-place concrete fills between the prefabricated wave wall blocks to form the whole wave wall, and therefore the overall stability of the wave wall is improved, damage caused by random impact of heavy storm waves on different positions of the wave wall structure can be prevented, the assembly type prefabricated wave wall which is installed on the wave wall structure and is stable in structure and good in wave resistance effect is achieved, the cast-in-place concrete fills between the prefabricated wave wall blocks, a form does not need to be erected, and rapid construction can be achieved.

The invention discloses a marine equipment impact test platform, and relates to the technical field of marine equipment tests. The device comprises a test pool, the bottom of the test pool is fixedly provided with a plurality of water cannon pipes, the top ends of the plurality of water cannon pipes are fixedly provided with turning pipes, the test pool is internally provided with a test floating platform, the test floating platform is internally fixedly provided with a placing platform, and the placing platform is internally provided with equipment to be tested. By arranging the water cannon pipes, a high-pressure water source conveys high-pressure water flow into the test pool through the water cannon pipes, and meanwhile, the water flow is turned through the turning pipes, so that irregular undercurrent is formed in the test pool, large-scale waves appear on the water surface of the test pool, and the test floating platform shakes along with the waves; the wave amplitude can be controlled by controlling the water pressure, so that the stability of the to-be-tested equipment when the ship body is impacted by waves is tested, the scene that the ship body shakes in storm waves is simulated, and the test result is closer to the actual environment.

The utility model relates to the technical field of remote control ships, and provides an automatic reset double-paddle remote control ship which comprises a ship body, a cabin upper cover is fixedly connected to the top end of the ship body, a battery bin is fixedly connected to the middle of the inner bottom wall of the ship body, and a control bin is fixedly connected to one side of the inner bottom wall of the ship body. The battery bin, the battery and the control bin are located at the bottom of the middle of the ship body, so that the whole ship is similar to a tumbler, the ship body is still stable even under large storm waves, and the ship body is not prone to falling off due to the fact that the battery bin, the battery and the control bin are located at the bottom of the middle of the ship body. And after the ship body turns over, the propeller rotates to enable the gravity center to deviate, so that the ship turns back, the complexity and inconvenience of manual turning over are avoided, and the practicability of the ship is improved.

The invention provides a multifunctional buoy device for water surface monitoring. The device comprises a disc-shaped floating platform, a cavity is formed in the center of the floating platform, a horizontal sliding plate is connected into the cavity in a sealed and sliding mode, a pull rod penetrates through the center of the bottom of the floating platform and is connected with the center of the bottom of the floating platform in a sealed and sliding mode, the upper end of the pull rod is welded to the bottom face of the sliding plate, the lower end of the pull rod is connected with an anchor block through an anchor chain, and the center of the top of the floating platform is fixedly connected with a monitoring box. The buoy device has the advantages that when the buoy device encounters large storm waves, the sliding plate in the cavity slides downwards to squeeze air below the sliding plate into all sliding cavities through the pulling force of the anchor chain on the pull rod, a piston plate and a connecting rod are pushed to slide outwards according to the pneumatic transmission principle, a number of floating balls extend outwards to enlarge the diameter of the whole buoy device so as to enlarge the buoyancy area and lower the gravity center, so that the stability of the buoy is improved, and tipping is avoided.

The invention discloses a water rescue device, and belongs to the field of rescue equipment. The device comprises two ship bodies which are parallel to each other and are arranged side by side, wherein a gap is reserved between the two ship bodies; a connecting plate is arranged between the two ship bodies and connects the two ship bodies, wherein the connecting plate is telescopic; a telescopic driving unit arranged between the two ship bodies, connects the two ship bodies, wherein drives the two ship bodies to be close to or away from each other; and two stern driving units arranged at the tails of the ship bodies correspondingly, wherein the ship bodies are driven by the stern driving units to travel. In the rescue process, when a narrow river channel is encountered, the distance between the two ship bodies is reduced by controlling the telescopic driving unit, the ship bodies can directly pass through the narrow channel, when strong storm waves are encountered or the loading capacity requirement is large, the distance between the two ship bodies is increased by controlling the telescopic driving unit, the connecting plates are unfolded, impact force can be buffered, and the ship bodies are kept balanced; and rescue workers can sit on the connecting plate, and more materials can be placed on the connecting plate, so that the rescue efficiency is improved.

The invention discloses a vehicle-mounted pyramid-shaped quick lifesaving drifting device, relates to a waterproof lifesaving device, and provides the vehicle-mounted pyramid-shaped quick lifesaving drifting device with the functions of preventing flood, heavy storm wave and the like. The device comprises umbrella surfaces 1, umbrella ribs 2, an umbrella handle 3 and a bottom surface 4, and is characterized in that the bottom surface 4 is polygonal; the umbrella surfaces 1 are triangular; the umbrella surfaces 1 and the bottom surface 4 form a pyramid. The construction space of the pyramid is small, the manufacturing cost is low, the device can be used by a small number of people, and the pyramid is steady in construction and is not easy to turn over; the device is convenient to carry in a vehicle, is flexible and quick to use, and has the functions of preventing the flood, the heavy storm wave and the like; the problems that an existing water lifesaving device such as a lifesaving boat, a lifesaving raft and a lifesaving tent needs to be inflated for use and is inconvenient to carry in a family sedan are solved.

The invention discloses a dual-stand column-stabilizing type multifunctional floating platform comprising an underwater equipment cabin and a ballast compartment, a water deck, a deck room and stand columns connecting the underwater equipment cabin and the water deck. Advantages of a traditional semi-submerged platform and a marine environment monitoring buoy are combined in the dual-stand column-stabilizing type multifunctional floating platform; the floating platform requires lower manufacturing cost compared with the semi-submerged platform and is easier to maintain, and compared with the buoy, the floating platform has stronger resistance of storm waves, longer service life and simpler structural profile, and can monitor more marine elements, has a deeper work area range, greater automatic control degree and more comprehensive functions. The two stand columns are symmetrically arranged; square stand columns applied by a traditional large semi-submerged platform are replaced by round columns, so a water plane area can be reduced, so effects to a platform body by waves can be reduced and motion response can be lowered; and the floating platform can carry various equipment; and multifunctionality of the floating platform can be achieved according to the variety of carried equipment.

The utility model discloses a reservoir wave-resistant energy-dissipation slope protection structure, and relates to the technical field of water conservancy projects, in particular to a reservoir wave-resistant energy-dissipation slope protection structure which comprises a buffering slope, the back face of the buffering slope is fixedly connected with a sliding rail and a positioning rod in sequence from top to bottom through screws, and the interior of the sliding rail is connected with a buffering assembly in a sliding mode. The device is fixed by inserting a sleeve rod and an inserting rod into a soil slope of a reservoir, the situation that the device is further inserted into the slope due to waves is reduced through an abutting piece, storm waves generated in the reservoir are buffered through a buffering slope, the bottom of the buffering slope rotates, the upper portion of the buffering slope is stressed and then inclines backwards, and therefore the device is protected. The impact is relieved through the spring, and the spring is reset after the stormy waves stop, so that the situation that the side slope of the reservoir is eroded due to the impact of the stormy waves, and the water storage capacity and the water quality of the reservoir are affected due to the fact that excessive soil rushes into the water body is greatly reduced; meanwhile, the situation that the water quality is affected and even the survival of aquatic organisms is affected when concrete is adopted for pouring the side slope is avoided.

A system for improving stability of a port ship based on coupling of wave diaphragm devices and waves is characterized in that two water bursting pipes and diaphragm boxes form the wave diaphragm devices, the multiple wave diaphragm devices are arranged at intervals along the lower portion of a ship side of the ship, an electric push rod is connected with the diaphragm boxes and a rotation driving device, and the rotation driving device is connected with the ship side; the residual pressure detector and the distance sensor are electrically connected with an attitude system of the ship, the gas pressure sensor is electrically connected with a water pressing system of the ship, the electric push rod is electrically connected with a draught system of the ship, and the rotation driving device is electrically connected with an observation system of the ship. The water pressing system carries out water pressing on the corresponding cabin section according to the triggering direction of the gas pressure sensor, the sensing frequency of the distance sensor and the set value of the residual pressure detector are coupled, the posture of the ship is adjusted, the ship is in the top wave or forward wave state, and therefore loading and unloading stability of the ship under the heavy storm wave condition is guaranteed.

The utility model provides a multifunctional navigation aid device which comprises a navigation aid assembly, a duckweed assembly and a power assembly. The duckweed assembly comprises a cabin body, a duckweed assembly and a balance weight part, the duckweed assembly is movably connected with the peripheral side of the cabin body, and the balance weight part is connected with the bottom of the cabin body; the navigation aiding assembly is arranged at the top of the cabin body; and the power assembly is arranged at the bottom of the cabin body. The multifunctional navigation aid device not only can resist sea surface storm waves, but also can automatically return to the original position when position deviation occurs.

The invention provides offshore wind power rock-socketed high-clay slurry and preparation and application thereof. The offshore wind power rock-socketed high-clay slurry is prepared by taking high-viscosity undisturbed soil with Ip greater than 25 as a framework, doping 0.08% of CMC-Na and 0.2% of Na2CO3, and mixing drilling cuttings with the density of 1.18-1.22 g / cm < 3 >, the funnel viscosity of 50-60 s, high dynamic shearing force and suspensible large particle size; the API water loss is less than 8mL / 30min, CMC-Na and clay are subjected to ion exchange to instantly form a compact mud cake on a pore wall, and high-pressure-bearing water is effectively isolated; the high-yield and strong-thixotropic gel can resist liquid level instantaneous pressure loss caused by tides and stormy waves, prevent hole shrinkage and hole collapse and guarantee deep sea hole forming stability and pile forming quality, has the characteristics of low solid phase, low filtration loss, high slag carrying capacity and excellent wall protection, is simple in formula, environment-friendly and economical, and is suitable for offshore wind power rock-socketed construction. The formula is simple, environment-friendly and economical, meets the requirements of offshore wind power rock-socketed construction, and has good popularization value.

The invention relates to the technical field of water sports auxiliary equipment, and discloses an electric towing boat which comprises a towing boat body, the tail end of the towing boat body is connected with one end of a connecting rope, and the other end of the connecting rope is connected with a user standing on water sports equipment; the power system is arranged on the towing boat body and used for driving the towing boat body to advance on the water surface; the control system is arranged on the towing boat body and electrically connected with the power system; and the operating system is fixedly connected to the connecting rope, and a user holds the operating system by hand and performs data interaction with the control system through a wireless communication module. The device thoroughly gets rid of dependence on natural storm waves and additional motorized ships, achieves water sports in a windless environment, is compact in structure, easy to carry and extremely visual and sensitive to control, greatly reduces the operation difficulty, relates to multiple safety measures, guarantees the safety of a user, and can adapt to various water sports equipment and different water area environments.

The invention relates to a waterproof rescue device, and provides a cylindrical vehicular rapid rescue drifting device with multiple functions of preventing flood, preventing heavy storm wave and the like. The device comprises a top surface 1, umbrella ribs 2, an umbrella handle 3, a bottom surface 4 and lateral surfaces 7 and is characterized in that the top surface 1 and the bottom surface 4 are completely identical circular surfaces; and the top surface 1, the bottom surface 4 and the lateral surfaces 7 form a cylinder. The cylindrical structure space is large and can accommodate multiple people, and the cylindrical structure is relatively stable, is unlikely to overturn and can be used in any direction; the device can be conveniently carried by a car, is flexible and fast in use, has the functions of preventing flood and preventing heavy storm wave, and solves the problems that the existing overwater rescue devices such as lifeboats, life floats and life tents can be used by inflating and are inconvenient to carry in family cars.

The invention discloses a portable auxiliary device for a pilot to get on and off a ship. The device comprises a hanging basket body arranged on one side of a cargo ship, a hanging basket driving device fixedly arranged on a deck of the cargo ship and a hanging basket adsorption device which is adsorbed to a ship side of the cargo ship and can move up and down; the hanging basket driving device is connected to a driving rope used for lifting and placing the hanging basket and a cable rope used for supplying power to the hanging basket adsorption device; and the hanging basket body is connected to the hanging basket adsorption device through a safety rope. The portable hanging basket device is arranged to assist the pilot in getting on and off a ship, so that the high-strength physical strength required by the pilot in climbing the pilot ladder can be saved, and the risk of getting on and off the ship by the pilot under severe weather conditions such as heavy storm waves can be reduced.

The invention discloses a high-power pod hydraulic steering mechanism, and relates to the field of ship steering, the high-power pod hydraulic steering mechanism comprises a hydraulic motor, a brake auxiliary assembly is arranged between the outer side of a bearing seat and the bottom of a brake device, and the brake auxiliary assembly increases the friction force of a brake disc during braking in heavy storm waves; and the compensation assemblies are arranged on the upper side and the lower side of the interior of the brake device, and the compensation assemblies conduct difference value compensation in time when abrasion of the friction plates is reduced. According to the hydraulic steering mechanism of the high-power pod, large torque output of the polar-level high-power pod under the conditions of ice breaking and ice clamping is well met through hydraulic steering, the required torque is allowed to be sent out for a long time, the steering function reliability is high, the function redundancy is enough, the friction resistance of the friction plates can be increased in the case of heavy storm waves, and the reliability of the high-power pod is improved. The sailing direction of the braking component is kept during steering, meanwhile, difference compensation can be conducted in time when the friction plates are abraded, and the braking effect is kept.