2048results about "Anchoring arrangements" patented technology

A mooring system for a floating offshore wind power platform, a monitoring system, and a monitoring method. The mooring system comprises a static mooring system and a dynamic mooring system. The static mooring system comprises three mooring cable bundles. Upright columns (1) are consistent with the centers of the mooring cable bundles. The dynamic mooring system comprises a power unit, propeller units (4), and a control unit. A group of propeller units (4) is installed below each upright column (1) of the platform, and each group of propeller units (4) comprises one to four propeller units (4). The monitoring system monitors the platform in real time, obtains the real-time motion level and mooring tension of the platform, and on the basis of offset and inclination requirements and mooring tension requirements of the platform in a real-time motion state, calculates the power required by the propeller units (4) for execution. A conventional mooring method is combined with a power positioning system to reduce the load on the mooring cables and reduce the maximum offset and the inclination angle of the platform foundation, benefiting both the efficiency and service life of dynamic cables and wind turbines.

The invention discloses a floating type photovoltaic platform device capable of actively adjusting the angle of a photovoltaic module, which comprises floating bodies, a photovoltaic mechanism, a central control system, connecting floating bodies and gravity anchors, and is characterized in that the photovoltaic mechanism is mounted on the floating bodies, the floating bodies are connected with the gravity anchors, the gravity anchors are placed in a water area, the plurality of floating bodies are connected through the connecting floating bodies, and the central control system is connected with the central control system. The central control system is installed on the connecting floating body, the central control system is respectively connected with the floating body and the photovoltaic mechanism, the floating body comprises an adjusting air cushion and a supporting floating body, the adjusting air cushion is arranged on the supporting floating body, the photovoltaic mechanism is arranged on the adjusting air cushion, and the supporting floating body is respectively connected with the connecting floating body and the gravity anchor. The sun position and the illumination intensity are monitored in real time through the central control system, the angle of the photovoltaic mechanism is actively adjusted through the adjusting air cushion, it is ensured that the photovoltaic assembly can receive sunlight at the optimal angle all the time, and therefore the photoelectric conversion efficiency is remarkably improved.

The invention provides a single-point mooring floating type fan platform capable of actively yawing, and belongs to the technical field of offshore wind power. The problem that the aerodynamic efficiency of an impeller is reduced due to the fact that a fan platform needs to bear multiple coupling effects of ocean currents and waves and the fan platform deviates from the best windward direction due to the hydrodynamic force coupling effect when an included angle is formed between the ocean current direction and the wind direction under the action of the complex ocean environment is solved. The system comprises a wind turbine generator, a mast type tower, a platform foundation, a single-point mooring device and a flow guide device, the edge of the platform foundation is connected with the single-point mooring device and can rotate by 360 degrees around the single-point mooring device. The flow guiding device is installed at the edge position of the platform foundation and arranged opposite to the single-point mooring device, the horizontal section of the flow guiding device is in a symmetrical streamline shape, and the flow guiding device is provided with a driving device which drives the flow guiding device to rotate in the horizontal direction and adjusts the acting force of ocean current on the fan platform. The power generation device is mainly used for improving the power generation efficiency of the mast type tower offshore wind turbine platform.

The invention provides a diving barge-out process of a barrel-type foundation structure, which comprises the following steps of: moving the barrel-type foundation structure with an air floating platform to a diving position through a semi-diving ship, then diving the barrel-type foundation structure for at least two times by utilizing the anchored semi-diving ship and anchoring of an anchored crane ship, and when the barrel-type foundation structure draws water to a set height, enabling the barrel-type foundation structure to dive for at least two times; and the barrel type foundation structure is sequentially disconnected with the semi-submerged ship and the crane ship, and submerging barge discharging is completed. The semi-submerged ship is used for completing self-floating transportation, placement and deviation correction of the barrel type foundation structure.

The invention relates to a floating platform for mechanically cleaning marine organisms. The floating platform integrates a floating body platform, a crane, a net bag cleaning device, a flat net cleaning device, a garbage collecting net bag, a power device and the like. The net bag cleaning device and the flat net cleaning device are used for cleaning sundries of the intercepting net bag and the plane intercepting net respectively, the sundries are rapidly and effectively conveyed to the garbage collecting net bag in a suction mode, and follow-up unified treatment and transportation are facilitated. The platform is provided with a hydraulic winch and a cable, and movement flexibility and stability are enhanced. The hydraulic winch quickly adjusts the position of the platform by winding and unwinding the cable to adapt to different operation scenes, and the underwater anchor block provides a reliable anchoring point for the cable to prevent the platform from drifting. Besides, the platform is provided with a pipe reeling device, the releasing length of an operation pipeline can be accurately controlled, smooth extension and orderly retraction of the pipeline are ensured, adaptability and flexibility are enhanced, and the floating platform for mechanically cleaning the marine organisms has the advantages of being efficient, stable and flexible and can effectively meet various complex environments and cleaning requirements.

The invention discloses a novel floating photovoltaic water level sensing automatic adjusting device, and relates to the technical field of floating photovoltaic structures.The novel floating photovoltaic water level sensing automatic adjusting device comprises a floating surface table, a photovoltaic frame is arranged above the floating surface table, a photovoltaic panel is installed above the photovoltaic frame, and an outer frame ring is fixedly connected to the outer side face of the floating surface table; a floating surface adjusting mechanism is arranged in the floating surface table, a water level sensing mechanism is arranged on the bottom surface of the floating surface table, a collision protection structure is arranged above the outer frame ring, a vertical supporting plate is fixedly connected to the bottom end of the outer frame ring, a bottom ring frame is fixedly connected to the bottom end of the vertical supporting plate, and a floating barrel is arranged on the outer side of the bottom ring frame; according to the floating platform, buoyancy and support are provided for the bottom of the inclined floating platform through overturning of the arc-shaped floating box, so that the inclination angle of the floating platform during inclination is reduced, the stability of the floating platform structure on the water surface is improved, and the situation that the power generation efficiency of a photovoltaic panel on a photovoltaic frame is affected due to large-angle shaking of the floating platform is prevented.

Disclosed herein is a buoyant structure for offshore deployment. The buoyant structure comprises a first deck having a first channel through the first deck; a second deck having a second channel through the second deck, wherein the first deck and second deck are coupled to each other and arranged spaced apart from each other; and a plurality of floatable substructures coupled to and around at least one of the first deck and the second deck, the plurality of floatable substructures arranged spaced apart from one another, wherein the first channel and the second channel are aligned to receive at least a portion of a tower of a wind turbine.

The invention discloses a design and construction method of an in-sea suspension data center, and belongs to the field of seabed data center construction. The suspension data center is designed and built through five parts including a pipe gallery square cabin cluster, a cooling system, an anchoring system, a tension key system and a ballast floating control system; the method has the advantages that the data center of the method can suspend at different depths in seawater and is not limited to the seabed any more; by adjusting the height of the suspension center, the heat dissipation efficiency of the data center can be greatly improved; compared with a seabed data center, heat is dispersed into seawater of different depths, heat diffusion is accelerated, and the system is more environmentally friendly.

The invention relates to the technical field of photovoltaic equipment, and discloses a cable-supported marine photovoltaic floating system, which comprises floating units, a cable net structure, a frame structure and a mooring structure, the cable net structure comprises longitudinal cables and transverse cables, the longitudinal cables and the transverse cables intersect to form a grid shape, and the longitudinal cables and the transverse cables intersect and are fixed in the floating units; the outer ends of the longitudinal cables and the outer ends of the transverse cables are connected with the frame structure, the frame structure is connected with the mooring structure, and the mooring structure is used for keeping pretension of the transverse cables and the longitudinal cables. According to the scheme, the longitudinal cables and the transverse cables are stressed in a face mode, a traditional point stress mode is replaced, external force can be dispersed more evenly, the local damage risk is reduced, and high fatigue resistance is achieved; the longitudinal cables and the transverse cables are fixed through the floating units, relative displacement of the longitudinal cables and the transverse cables is avoided, the integrity of the cable net structure is guaranteed, the frame structure and the mooring structure fluctuate up and down along with stormy waves and adapt to dynamic changes of the cable net structure, and the stability and durability of the whole floating type offshore photovoltaic system in the complex marine environment are guaranteed.

The utility model relates to a floating type offshore wind power suction anchor foundation mooring lifting lug structure which comprises a suction anchor cylinder body, a main eye plate and a cylinder body thickening plate, the cylinder body thickening plate is fixed on the inner side wall of the suction anchor cylinder body, the main eye plate is fixed on the outer side surface of the suction anchor cylinder body, and the cylinder body thickening plate is fixed on the inner side wall of the suction anchor cylinder body. The main eye plate penetrates through the side wall of the suction anchor cylinder and the cylinder thickening plate and is fixedly connected with a first connecting plate, a second connecting plate is fixed to the other side of the first connecting plate, and the second connecting plate is fixed to the inner side wall of the other side of the suction anchor cylinder. According to the utility model, the suction anchor cylinder body can form a whole with a stable structure.

The invention discloses an offshore photovoltaic platform electric control system and a floating type offshore photovoltaic platform. The offshore photovoltaic platform electric control system comprises a controller, energy consumption equipment, a voltage sensor, a current sensor and a data monitoring system. The controller is electrically connected with a photovoltaic module of the offshore photovoltaic platform, the energy consumption equipment is electrically connected with the controller to form a closed circuit, the voltage sensor is connected with the energy consumption equipment in parallel, the current sensor is connected with the energy consumption equipment in series, and the data monitoring system is electrically connected with each of the voltage sensor and the current sensor. The offshore photovoltaic platform electric control system provided by the invention has the advantage of high efficiency and reliability in data monitoring of the photovoltaic module on the floating type offshore photovoltaic platform.

The invention provides a novel five-stand-column semi-submersible type wind power foundation and a mooring system thereof. The novel five-stand-column semi-submersible type wind power foundation comprises an X-shaped buoyancy tank, side stand columns are arranged at the four ends of the X-shaped buoyancy tank, a center stand column is arranged in the center of the X-shaped buoyancy tank, and the four side stand columns are distributed in a central symmetry mode relative to the center stand column; a tower drum is arranged on the center stand column, and a wind turbine generator set is arranged at the top end of the tower drum and converts wind energy into electric energy. An outer platform is further arranged on the peripheral face of the joint of the center stand column and the tower drum. The number of side stand columns providing stability in the prior art is increased from three to four, and the waterplane inertia moment is increased by nearly 50% under the condition that the waterplane area is not changed; the stress of the structure is completely transferred to the X-shaped floating box, so that the gravity center of the structure is lowered; meanwhile, communication of the side stand columns and the middle stand columns is achieved through the design that the deck channel and the outer platform are staggered in elevation, and follow-up operation and maintenance are guaranteed; and finally, '8 * 1 'distributed mooring is put forward to replace '4 * 2' symmetrical mooring, and mooring constraint optimization is guaranteed.

The invention provides a floating type annular wave-resistant offshore photovoltaic structure. The floating type annular wave-resistant offshore photovoltaic structure comprises arc-shaped wave-resistant structure units, spring connectors, photovoltaic buoyancy tanks, photovoltaic modules, buoyancy tank mooring cables, mooring cables and pile anchors. The plurality of arc-shaped anti-wave structure units are flexibly and annularly connected through the spring connectors to form a floating type annular anti-wave structure; photovoltaic buoyancy tanks are fully paved in the circular ring of the floating type annular wave-resistant structure in parallel, and a photovoltaic module is fixedly mounted on the surface of each photovoltaic buoyancy tank. The structure main body of the novel floating type annular wave-resistant offshore photovoltaic structure adopts arc-shaped wave-resistant structures made of a high-density polyethylene material, the arc-shaped wave-resistant structures are connected into an integral circular ring through spring connectors, photovoltaic modules in the ring are protected and moored, a plurality of macromolecule buoyancy tank mooring cables are adopted in the ring to be connected with photovoltaic buoyancy tanks, and the photovoltaic buoyancy tanks are connected into a whole. The whole structure has certain flexibility and has the advantages of being small in steel consumption, high in weather resistance, low in building cost, high in wind wave resistance, easy and convenient to construct, good in power generation economical efficiency and the like.

The invention belongs to the technical field of offshore wind power generation, and discloses a floating type wind turbine generator mooring positioning method, a mooring positioning system and electronic equipment. According to the floating type wind turbine generator mooring positioning method, measurement data of the wind speed and the wind direction and position information of wind turbine generator layout are obtained, then a mooring system model of the wind turbine generator is constructed, and the maximum length and the minimum length of a mooring line are obtained; secondly, iteratively processing a plurality of design parameters by using a genetic algorithm, and keeping other parameters unchanged to obtain optimized wind turbine generator position coordinates so as to create a mooring system design database, and determining the position coordinates of each wind turbine generator according to the established wake flow model of the floating type offshore wind power plant and the offset of the position of each wind turbine generator. And calculating and outputting the generating capacity of each wind generator set and the position information of the layout until the position information of the layout with the minimum wake flow loss and the maximum generating capacity of the floating type offshore wind power plant is found, so that the output power of the wind power plant is improved and the fatigue load of the wind generators is relieved.

The invention discloses a lifting platform for offshore pile top construction, and relates to the technical field of ocean engineering, the lifting platform comprises a main body mechanism, four lifting mechanisms are movably inserted in the inner surface wall of the main body mechanism, and two driving mechanisms are fixedly mounted on the outer surface walls of the four lifting mechanisms; the lifting mechanism comprises a fixing pile. According to the lifting platform, after the device is started, a motor can enable two half gears to synchronously and reversely rotate through a rotating shaft and a transmission gear, so that racks on the left side and the right side are sequentially driven to start to move, then the platform is driven to ascend and descend, and the platform is clamped by means of cooperation between two metal clamping blocks and positioning holes; compared with a traditional gear and rack clamping structure, the clamping tongue is matched with the fixing hole so that external interference can be better resisted and the stability of the lifting platform can be ensured on the sea where the environment is severe and stormy waves are large, meanwhile, the structure is relatively simple and reliable, the fault rate is low, and therefore the construction safety is improved.

The present invention discloses a water photovoltaic mooring equipment, a mooring system and an installation method. The water photovoltaic mooring equipment includes a buffer component, a sliding component, an adaptive retractable component and a vertically arranged pile frame group. A vertical perforated sliding frame is arranged on the pile frame group. A buffer component is installed at each of the upper and lower ends of the perforated sliding frame. The sliding component is slidably installed in the perforated sliding frame and is located between two buffer components. The sliding component moves up and down in the perforated sliding frame as the sea level rises or falls. The sliding component is connected to the adaptive retractable component, and the adaptive retractable component is connected to a photovoltaic support. The present invention adopts the water photovoltaic mooring equipment, which is suitable for shallow sea areas with complex water environment, large water depth variation range, large morning and evening tidal difference, and large wind and waves.

A mooring assembly (11; 11') for installation on a marine structure (4, 5, 6), above or below a water surface (7), comprises a main frame (101; 101') having a connecting portion (107) for connection to the marine structure. The assembly comprises a stopper device (112; 112'; 112") which is arranged in the main frame (101; 101'), and an elongate stopper member (104) which may be connected to a mooring chain or line. The stopper device (112; 112'; 112") is configured for interlocking with the elongate stopper member (104). The stopper device (112) comprises a housing (122) with a plurality of ratchet pawls (124) arranged in a circular chamber (138), wherein the pawls (124) are movably interconnected via a ring member (125) and biased towards each other by an elastic member (123), and each pawl comprises one or more ratchet teeth (133) for interaction with corresponding teeth (118) on the elongate stopper member (104).

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

The invention discloses a flexible storm-resistant floating photovoltaic system which comprises a photovoltaic platform framework, a photovoltaic power generation platform is arranged on the upper side of the photovoltaic platform framework, a central floater is coaxially arranged below the photovoltaic platform framework, and the central floater is fixedly connected with the photovoltaic platform framework through a floater support. A plurality of arc-shaped posture adjusting bodies are distributed on the periphery of the central floater in a circular array mode, the two ends, in the length direction, of each arc-shaped posture adjusting body are connected with rotating shafts which are coaxial, and the arc-shaped posture adjusting bodies can rotate around the axes of the rotating shafts at the two ends of the arc-shaped posture adjusting bodies. The light tracking function is achieved on the basis of wind wave resistance.

The invention belongs to the field of ocean engineering, and discloses a modularized movable energy storage power supply platform for ocean offshore power utilization facilities and a use method of the modularized movable energy storage power supply platform. Comprising a modularized energy storage floating body, a flow guide module, a spherical hinge connector, a mechanical arm, a connecting rod and a tugboat. Clean energy obtained from an offshore wind driven generator and a photovoltaic platform is used for charging and is towed to an offshore facility through a tugboat for power supply. The platform adopts a modular design, connection and disassembly of modules are realized through a combined design of a spherical hinge connector and a mechanical arm, floating bodies are flexibly increased and decreased according to power demands of different facilities, and efficient energy storage and stable power supply are realized. The modular design enables the platform to have flexibility and expandability, and can meet the power supply requirements of ocean offshore facilities of various scales and types. The platform not only reduces the high cost of submarine cable laying, but also improves the environmental protection property of power supply, reduces the dependence on traditional energy such as diesel power generation, and promotes the application and sustainable development of clean energy.

A support system includes a platform floating at a surface of a body of water, a set of mooring elements, and a set of motion dampers. Each mooring element is rigidly coupled to the platform and to a bottom of the body of water. Each motion damper is coupled to the platform. Each motion damper includes a spool, a line, and a rotation controller. The line is coupled to and partially wound on the spool and has an end rigidly coupled to the bottom of the body of water wherein a tension force in the line is affected by rotation of the spool. The rotation controller is coupled to the spool and is operable to control the rotation of the spool based on the tension force in the line.

The invention belongs to the field of ocean engineering and floating body structures, discloses a modularized movable variable-structure floating body platform and an operation method thereof, and is suitable for multi-scene application of short-term or temporary operation on the sea. In the towing process of the platform, chain type arrangement is adopted, all floating body units are connected through spherical hinge connectors, water resistance is effectively reduced, towing efficiency is improved, and safe transfer is achieved through a tugboat and an auxiliary boat. After the platform arrives at a target area, the platform flexibly adjusts the floating body units through the tugboats, the auxiliary boats, the mechanical arms and the connecting rods, chain type arrangement is changed into an array type structure, stable multi-column arrangement is formed, and different operation requirements are met. Due to the modular design, the platform has high expansibility and is convenient to maintain and recombine. The marine floating body platform is flexible, low in cost and environmentally friendly, has high wind wave resistance and wide application prospects, and is particularly suitable for various temporary marine operations such as marine monitoring, equipment installation and marine emergency.

The invention relates to the technical field of mooring equipment, in particular to a floating platform tension leg mooring system which comprises at least three sets of tension tendons connected with a floating platform, and each tension tendon is composed of a steel cable locking device, a steel cable, a mooring connecting arm and a universal joint base from the upper platform end to the lower anchoring end. The tension tendons are connected with the floating platform through the steel cable locking devices, accurate adjustment of tension is achieved through the tension adjusting locking connectors, the tension consistency of the tension tendons is achieved, the tension adjusting locking connectors can be locked on the steel cable locking devices, and one ends of the tension adjusting locking connectors are directly connected with the steel cables. According to the floating platform tension leg mooring system, through the design of the tension adjusting locking connectors, the tension of each group of tension tendons can be accurately adjusted, and it is ensured that the tension of each group of tension tendons is kept consistent. Therefore, the stability and the reliability of the whole mooring system are improved, and the platform movement deviation caused by uneven tension is reduced.

The invention discloses a tension leg floating type wind power platform pile foundation connecting device, and relates to the technical field of tension leg floating type wind power platform mooring connection, the tension leg floating type wind power platform pile foundation connecting device comprises a bottom connecting mechanism and a steel cable protection mechanism, the bottom connecting mechanism comprises a welding back plate, a tongue plate is arranged on the welding back plate, the upper end of the tongue plate is connected with a steel cable joint through a pin shaft, and the lower end of the tongue plate is connected with the steel cable joint. A steel cable is connected to the steel cable joint, so that the steel cable has the function of two rotational degrees of freedom, and the two ends of the tongue plate are locked and fixed through locking mechanisms respectively. The steel cable protection mechanism is located on one side of the pile foundation, and the steel cable is placed on the steel cable protection mechanism after being connected and used for preventing the steel cable from being bent and damaged when the steel cable is pre-laid to the seabed. The device is simple in structure, reliable in performance, convenient to operate and capable of adapting to underwater rapid connection, only one ROV is needed for auxiliary operation in the whole operation process, the tie-back installation process of the tension leg wind power platform mooring rope and the anchoring device is simplified, and the mooring and installation cost of the tension leg wind power platform is reduced.

The invention provides an intelligent river water quality monitoring system based on a remote sensing technology, belongs to the technical field of river monitoring, and solves the technical problem that the current intelligent river water quality monitoring cannot realize full-space-time river water quality monitoring from large scale to microcosmic scale and point-surface combination. A river water quality intelligent monitoring system based on a remote sensing technology comprises a satellite remote sensing module, an unmanned aerial vehicle remote sensing module, a high-altitude holder module and a ground water quality detection module. According to the invention, through the arrangement of the satellite remote sensing module, the unmanned aerial vehicle remote sensing module, the high-altitude holder module and the ground water quality detection module, the air-space-tower-ground multi-source cooperative monitoring of the river water quality is realized, and under the action of the fixed-ship flow measurement assembly of the unmanned ship, moving and fixed-point monitoring can be carried out in the river; and meanwhile, satellite remote sensing and an unmanned aerial vehicle are utilized, and agricultural non-point source pollution satellite remote sensing and ground automatic monitoring advanced mature technologies are integrated, so that water quality monitoring is changed from large-scale monitoring to microscopic detection.

The invention discloses a novel floating type converter station platform suitable for deep and far sea, and belongs to the technical field of offshore platforms, the novel floating type converter station platform comprises a floating platform, a buoyancy cabin, a stand column, a water ballast tank and a mooring rope, the floating platform is used for supporting a converter station and related operation equipment, and the floating platform is located on the sea surface; the buoyancy cabins are correspondingly arranged on the bottom surface of the floating platform and provide buoyancy support for the floating platform; the four stand columns are correspondingly connected to the four corners of the floating platform, and the sectional area of the water ballast space is at least two times that of the stand columns. The four water ballast tanks are correspondingly arranged at the bottoms of the stand columns, and the gravity center and buoyancy of the converter station platform are adjusted by controlling injection or drainage of ballast water of the water ballast tanks. The mooring cables comprise a plurality of mooring cables which are correspondingly arranged at the four corners of the floating platform respectively, and the floating platform is fixed to the seabed through multi-point anchoring. The floating type converter station platform can flexibly adapt to the deep and far sea environment, the construction cost and the collapse risk are reduced, and the bearing capacity, the structural strength and the stability of the floating type converter station platform can be improved.

The invention relates to the technical field of ocean engineering equipment, in particular to a marine organism cleaning floating ship used at a cold source water intake of a nuclear power station, which comprises a buoyancy platform, four hydraulic winches are mounted and connected on the buoyancy platform and are distributed at the left upper corner, the right upper corner, the left lower corner and the right lower corner of the buoyancy platform; the buoyancy platform is provided with a cleaning suction device used for cleaning marine organisms on the intercepting net, the buoyancy platform is further connected with a discharging pipeline with a downward outlet, the cleaning suction device is provided with a suction pipe, and the flow of the suction pipe can be changed. The cleaning suction device is further provided with a cleaning brush capable of washing marine organisms on the intercepting net, and the cleaning effect is better optimized.

The utility model provides an offshore floating type photovoltaic floating body, and relates to the technical field of photovoltaic power generation. The photovoltaic floating body comprises a floating body, and the floating body is prepared from ultra-high performance concrete; the interior of the floating body is of a hollow structure; a first connecting hole and a second connecting hole which are used for being connected with an adjacent photovoltaic body are formed in the side wall of the top of the floating body, and the axis of the first connecting hole is perpendicular to the axis of the second connecting hole. The hollow structure is filled with the filler; and the embedded pipeline is mounted in the first connecting hole and the second connecting hole. The floating body is arranged to be of a specific structure, the floating body is made of the ultra-high-performance concrete, the buoyancy of a single floating body is increased, the durability of the floating body is improved, and the acting force of sea waves on the floating body is reduced through a specific connecting mode. The utility model also discloses a photovoltaic floating body assembly. A plurality of photovoltaic floating bodies are connected together in a flexible mode, so that the photovoltaic floating bodies are prevented from being damaged by wind wave impact.

A gravity type variable-length seabed single-point mooring connecting device of a floating fan comprises a floating body with at least two pulley fairlead devices, a single-point anchor arranged on the seabed and connected with a rotatable device, and at least one weight located in water below the floating body. Wherein the heavy block is connected with the single-point anchor through a mooring rope passing through the pulley fair lead. The offshore mooring system is small in seabed coverage area, environment-friendly, high in mooring system efficiency, safer, more reliable, practical and feasible, has a wind indicator function, and can be used for offshore mooring positioning of the floating type wind power platform with the water depth ranging from 50 m to 300 m or even larger than 1500 m.

The invention discloses a vibration reduction connecting joint of a tension leg type floating platform and an anchor chain and an implementation method of the vibration reduction connecting joint. The vibration reduction connecting joint comprises an annular hydraulic adjusting base with a top plate and a bottom plate, the top plate is fixed to the bottom of a floating barrel connecting steel plate, and a plurality of hydraulic jacks are arranged between the top plate and the bottom plate; a plurality of shape memory alloy dampers are arranged between the bottom plate and the connecting lug plate below the bottom plate, and the surfaces of the shape memory alloy dampers are sleeved with damper damping shells made of graphene aerogel composite materials. The anchor chain is connected with the connecting lug plate through a spherical hinge joint; the problem of fatigue damage of the anchor chain is relieved through the double damping effects of the damper and the damping shell in combination with the displacement compensation function of the spherical hinge joint. During specific implementation, vibration reduction connection node model selection is conducted through the stability index and the vibration reduction performance index, then during service, the height of the bottom plate is adjusted through stretching and retracting of the hydraulic jack, the vibration reduction performance index is made to be higher than a threshold value, the tension of the tension legs is indirectly adjusted, and the overall stability of the platform is improved.