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1867 results about "Floating platform" patented technology

Automatic feed feeding device for fry breeding and control system of automatic feed feeding device

The invention relates to the technical field of fry feeding, in particular to an automatic feed feeding device for fry breeding and a control system thereof.The automatic feed feeding device comprises a supporting shell, a plurality of floating platforms are fixedly connected to the surface of the supporting shell through a mounting frame, and the automatic feed feeding device further comprises a feed feeder fixedly mounted at the top of the supporting shell; a discharging pipe of the feed feeder is fixedly communicated with the interior of the supporting shell through a drainage pipe, and a plurality of discharging holes are formed in the bottom of the supporting shell; the supporting frame is arranged above the supporting shell through a lifting mechanism, and the lifting mechanism is used for driving the supporting frame to vertically move; the control unit controls the feed throwing frequency of the feed feeder according to the monitored fry number result, feed waste is reduced, when the feed throwing frequency Pn is larger than the preset frequency P0, the control unit can control the auxiliary mechanism to operate, the feed suspension time is prolonged, the feeding efficiency of fry is improved, and the problem that feed sinks rapidly is solved.
Owner:GUANGDONG SUNSHINE INTELLIGENT EQUIP CO LTD

Industrial mechanical arm tool changing operation monitoring system based on digital twinning

The invention discloses an industrial mechanical arm tool changing operation monitoring system based on digital twinning, and relates to the technical field of digital twinning. The system establishes a complete digital twinning model by integrating a floating platform model, a mechanical arm model and a tool changing device model; and a sensing sensor group is arranged to acquire real physical world data of the platform, the mechanical arm and the tool changing device in real time. The data are transmitted to a digital twin model in real time for processing and simulation, so that the virtual world state and the physical world state can be bidirectionally synchronized. According to the highly integrated monitoring mode, the resonance risk between the platform and the mechanical arm and the change of the tool locking trend can be recognized in time. Through an effective risk early warning and adjusting mechanism, the system can ensure the accuracy and safety of tool changing operation, and tool changing failure or equipment damage caused by resonance or abnormal locking is avoided, so that the production efficiency is improved, and the downtime is shortened.
Owner:LIAOCHENG VOCATIONAL & TECHN COLLEGE +1

Ore-containing salt lake brine microorganism sampling device and sampling method

The invention relates to the technical field of microorganism sampling equipment, in particular to an ore-containing salt lake brine microorganism sampling device and method.The ore-containing salt lake brine microorganism sampling device comprises a balance weight floating platform, and through cooperation of a laser ranging mechanism, a PLC, a first electromagnetic valve, a second electromagnetic valve and an air pump, the sampling depth can be adjusted according to the actual sampling depth requirement; sampling distance parameters are flexibly set through the PLC according to actual sampling requirements, the winding mechanism is controlled to work through the PLC, the winding mechanism drives the sampling head to be lowered or pulled back, the distance between the sampling head and the bottom plate is detected through the laser ranging mechanism, and when the actual distance detected by the laser ranging mechanism reaches a set value, the sampling head is driven to move back and forth. The first electromagnetic valve and the second electromagnetic valve on the to-be-sampled barrel are started through the PLC, the air pump is started, a sample enters from the sampling head through an air pumping mode of the air pump, the operation is simple, the use is convenient and fast, and meanwhile, the sampling flexibility of samples with different depths is improved.
Owner:QINGHAI PROVINCIAL GEOLOGICAL SURVEY BUREAU

Floating wind power platform self-energized carbon capture and deep sea sealing integrated system

The invention discloses a floating wind power platform self-energized carbon capture and deep sea sealing integrated system, which comprises a floating platform foundation, which comprises a plurality of buoy parts, and the buoy parts are integrated through connecting parts; the double-path carbon capture subsystem comprises an air carbon capture module and a seawater carbon capture module; the air carbon capture module introduces air into the adsorption module through negative pressure, and selectively adsorbs CO2 in the air; the seawater carbon capturing module is used for separating out CO2 from seawater in an electrochemical separation mode; the carbon sequestration subsystem is used for compressing, liquefying and sequestration the CO2 conveyed by the double-path carbon capture subsystem; and the wind power function subsystem comprises a wind power generation tower and power distribution equipment for supplying power to each subsystem. The platform is reasonable in configuration and high in function integration degree, has the advantages of wind energy driving, autonomous operation, continuous carbon capture, on-site storage and the like, is particularly suitable for deep and far sea areas without seabed pipe networks and far away from shore-based power grids, and can be used for application scenes such as wind power plant carbon compensation and ocean carbon removal.
Owner:CHENGXI SHIPYARD +1

Downward-diving barge-out technology of barrel type foundation structure

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.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Floating electrical generation platform

A floating platform for providing electrical power to a requester of electrical power includes a power generator structured to produce electrical power in excess of 1 Megavolt-Ampere (MVA), at least one high-voltage electrical connector that is structured to couple to an electrical connection from the requester, and a power delivery system that is structured to supply the electrical power in excess of 1 MVA to the requester through the high-voltage electrical connector. The power generator may be turned by an engine running on biofuel. Methods of supplying power from a floating platform to a requesting vessel are also described.
Owner:ELLIOTT BAY DESIGN GROUP LLC

Floating platform for mechanically cleaning marine organisms

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.
Owner:ZHEJIANG LUFAN ELECTROMECHANICAL SCIENCE & TECHNOLOGY CO LTD

Wind wave energy multi-degree-of-freedom broadband control method based on pilot frequency coupling

The invention belongs to the technical field of comprehensive utilization of ocean renewable energy sources, and particularly relates to a pilot frequency coupling-based wind wave energy multi-degree-of-freedom broadband control method, which comprises the following steps of: performing frequency domain identification on wind wave environment characteristics, and constructing a wind wave pilot frequency energy coupling model; based on the motion response characteristics of the multi-degree-of-freedom floating platform, designing a pilot frequency energy regulation and conversion mechanism; a full-working-condition dynamic optimization control strategy is adopted, and cooperative operation and energy flow self-adaptive distribution of the wind energy conversion unit and the wave energy conversion unit are achieved. Aiming at the significant difference and relevance of wind energy and wave energy in frequency characteristics, time scale and spatial distribution, a pilot frequency wind wave coupling dynamic model is established, and broadband capture of low-frequency wind-induced and high-frequency wave-induced coupling energy is realized under complex sea conditions through multi-degree-of-freedom motion decoupling and state observation, so that the wind-induced and high-frequency wave-induced coupling energy is obtained. The energy utilization rate, the attitude stability and the structural safety of the system are effectively improved, and good robustness and engineering adaptability are achieved.
Owner:OCEAN UNIV OF CHINA

Novel floating photovoltaic water level sensing automatic adjusting device

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.
Owner:SHARE POWER

Floating platform launching and undocking construction method

The invention relates to the technical field of offshore wind power, in particular to a launching and undocking construction method for a floating platform. Comprising the following steps: closing a dock gate, and injecting water into a dock until a floating platform floats; the semi-submersible barge dives, so that a deck of the semi-submersible barge is lower than the bottom surface of the floating platform; the floating platform is moved to the position above the semi-submersible barge; the semi-submersible barge floats until the floating platform is piled on the deck; and the dock gate is opened to drive the semi-submersible barge and the floating platform to pass through the dock entrance together. The first dock area and the second dock area assembly which are connected and the launching floating platform are utilized, and the problems that an existing small dock cannot meet the launching requirement of a large-size floating platform, and a large dock is difficult in production scheduling and long in occupied production period can be solved; the semi-submersible barge lightering wind power foundation platform is used, long-distance transportation of the wind power foundation platform can be achieved, the wind power foundation platform can be conveniently moved to wind power plants all over the world, offshore wind power installation is completed after a fan unit is hoisted nearby, large-scale production is achieved, cost is reduced, and the construction period is shortened.
Owner:CCCC FOURTH HARBOR ENG CO LTD +1

Wind turbine blade flutter characteristic calculation method based on joint simulation

The invention discloses a wind turbine blade flutter characteristic calculation method based on joint simulation, and relates to the technical field of wind power generation. The method comprises the following steps: S1, reading structural body data of a wind turbine blade, and extracting parameters such as a spanwise position, an airfoil profile coordinate and aerodynamic characteristics of the blade; s2, full-automatic parametric modeling of the blade is achieved through a parametric modeling tool, and a related input file is generated; s3, based on an unsteady blade element momentum theory, aerodynamic force and torque responses of the blade at different spanwise positions are calculated step by step; s4, standardized calculation steps are packaged through a programmed method, personal errors are reduced, and calculation efficiency is improved; s5, designing a cabin interface, a tower interface and a floating platform interface, and realizing flexible data interaction and expansion among modules; and S6, dynamic response analysis is combined, and flutter characteristics of the wind turbine in a complex load environment are simulated. According to the method, the calculation process of wind turbine blade flutter characteristic analysis is accelerated, and the analysis precision and the calculation efficiency are improved. Through programmed and modular design, the flutter simulation of the wind turbine blade can be quickly and accurately completed, and a scientific basis is provided for structural optimization of the blade and safety design of a wind turbine system.
Owner:ANHUI UNIVERSITY OF TECHNOLOGY

Floating type fish collecting device and fish collecting system for water conservancy and hydropower engineering

The invention relates to the technical field of fishery water conservancy and hydropower engineering, and discloses a floating type fish collecting device for water conservancy and hydropower engineering, which comprises a floating platform, a net cage fixedly connected to the bottom of the floating platform, a support frame fixedly connected with the net cage and arranged on the bottom of the floating platform, and a plurality of groups of fish inlets arranged on the net cage; the fish luring mechanism is arranged on the floating platform, a feeding assembly is arranged on the side, close to the net cage, of the fish luring mechanism, a bait bag is connected to the feeding assembly, and the fish luring mechanism drives the bait bag to evenly rotate in the net cage through the feeding assembly; the inner gear ring is arranged on the outer wall of the floating platform, a linkage mechanism connected with the inner gear ring is arranged on the floating platform, and a fish collecting assembly is arranged on the side, close to the net cage, of the inner gear ring; according to the device, the diffusion effect of bait can be improved, waste of the bait is reduced, meanwhile, the trapping range of fishes is expanded, vigilance of the fishes is reduced, and the fish trapping effect of the device is improved.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD +2

Marine ranch breeding and zero-carbon comprehensive energy system based on offshore energy

The invention provides a marine ranch breeding and zero-carbon comprehensive energy system based on marine energy. The marine ranch breeding and zero-carbon comprehensive energy system specifically comprises a floating platform module, a marine ranch module, a marine renewable energy power module, a wind power-hydrogen ammonia conversion module, an intelligent control module, a marine transportation system and a consumption terminal. Functional fusion of offshore energy and marine ranching is achieved, the sea area intensive utilization rate, the sea area resource development efficiency and the marine resource development technology level are effectively improved through the wind-fishery-hydrogen-ammonia fusion development mode, the marine resource development cost is effectively reduced, advantage complementation is formed, commercial state fusion is achieved, and the development cost is reduced. And the intelligent control module can realize energy collaboration of the offshore energy, so that the utilization rate of the power generation output power of the offshore renewable energy power module is improved while the operation of the power grid is stabilized, and the wind power-hydrogen ammonia conversion efficiency is improved.
Owner:GUONENG HYDROGEN OIL (GUANGDONG) TECH CO LTD

Aerial photovoltaic system and efficient energy management method thereof

The invention provides an aerial photovoltaic system and a high-efficiency energy management method thereof, and the system comprises a self-adaptive floating platform, a high-efficiency light photovoltaic module, a linear energy transmission system and an intelligent attitude regulation and control and flight control system, and is based on an AI meteorological data prediction algorithm and in combination with a GPS / Beidou positioning module. A servo motor, a telescopic cable and an electric propulsion fan are driven to adjust the orientation of the photovoltaic panel and the height of the platform; according to the energy storage and management system, a solid-state lithium battery and a hydrogen fuel battery are combined, electric energy distribution is optimized, and dynamic balance of photovoltaic power generation, energy storage and wireless transmission is achieved. Through dynamic adjustment of the suspension height, intelligent illumination tracking and efficient wireless power transmission, the problems that traditional ground photovoltaic land occupation is limited and transmission loss is high are solved, light weight, wind resistance stability and day and night power supply capacity are achieved, and the power generation efficiency and environmental adaptability are greatly improved.
Owner:CHINA HUADIAN ENG CO LTD +1

Fatigue damage prediction method and system for floating platform based on actually measured sea condition data

InactiveCN119378339AGeometric CADProbability distribution functionsFatigue damagePredictive methods
The invention relates to the technical field of offshore oil engineering, and provides a floating platform fatigue damage prediction method and system based on actually measured sea condition data, and the method comprises the steps: building an overall finite element model of a floating platform; determining a stress transfer function of a local structure of each fatigue sensitive position in the floating platform under different loading conditions under different wave direction angles; combining the stress transfer function with wave spectrums of different short-term actually-measured sea conditions to obtain fatigue stress energy spectrum density functions under different actually-measured sea conditions; determining fatigue damage values under different short-term actual measurement sea conditions according to the fatigue stress energy spectrum density functions under different actual measurement sea conditions and the SN curve, and constructing a fatigue damage array; the fatigue damage array is searched according to the current loading working condition of the floating platform and the short-term actually-measured sea condition data and the wave direction angle of each sea condition duration recorded in real time, the fatigue damage value of the local structure of the fatigue sensitive position in the corresponding short-term actually-measured sea condition recording time period is obtained, and the prediction result is more accurate and reliable.
Owner:OFFSHORE OIL ENG CO LTD

Offshore floating platform and modular multifunctional offshore floating platform system

The invention belongs to the technical field of ocean engineering, and particularly provides an offshore floating platform and a modular multifunctional offshore floating platform system.The offshore floating platform comprises a main body structure layer, a building module layer and a floating body layer, and the main body structure layer is provided with a plurality of buffer assemblies; the buffering assembly comprises a fixing sleeve, a supporting rod and a buffering mechanism. The buffer mechanism is arranged in the fixed sleeve, a flowing gap is reserved between a lantern ring of the buffer mechanism and a vertical rod of the I-shaped section of the supporting rod, and the flowing gap is filled with magnetorheological fluid; the lantern ring comprises a middle fixed section, a first flexible section and a second flexible section; the first pneumatic sleeve is positioned on the outer side of the first flexible section; the second pneumatic sleeve is positioned on the outer side of the second flexible section; and the winding coil is wound on the circumferential outer wall of the middle fixed section. The offshore floating platform can counteract vertical fluctuation energy caused by the action of waves or tides in real time, so that vertical vibration of the offshore floating platform can be buffered, the stability and safety of the building module layer are ensured, and the offshore operation difficulty is reduced.
Owner:OCEAN UNIV OF CHINA

Six-degree-of-freedom pneumatic load simulation system of offshore floating fan and control method

The invention discloses a six-degree-of-freedom pneumatic load simulation system of an offshore floating type fan and a control method, and belongs to the field of offshore wind power generation technologies and fan test equipment. The simulation system comprises a wave flow simulation device installed at the forefront of a wave pool, a floating platform fixed in the middle of the wave pool through a mooring anchor chain, a tower installed on the floating platform, a cabin installed at the top of the tower, a six-degree-of-freedom load sensor installed between the cabin and the tower, and a fixed support installed at the right front of the cabin. A plurality of groups of variable-speed fans are mounted on the fixed bracket and are connected with the controller through a brushless electronic speed regulator mounted in the cabin; a crane is installed on the upper portion of the wave pool, a data acquisition box, a visual camera and an upper computer are installed on the top of the crane, the visual camera is connected with the data acquisition box through a synchronous triggering device, and the data acquisition box is connected with the upper computer. According to the method, the high-precision six-degree-of-freedom pneumatic load can be generated, and the dynamic performance of the marine floating type fan can be accurately evaluated.
Owner:OCEAN UNIV OF CHINA

Real-time evaluation method for sea condition adaptability of floating hydrogen production platform based on digital twinning

The invention belongs to the technical field of ocean engineering and water electrolysis hydrogen production. In order to solve the problem that a traditional model is difficult to deal with dynamic sea conditions, a platform-environment coupling digital twin model is constructed, multi-source monitoring data is fused, and platform motion response is predicted through deep reinforcement learning. And generating anti-storm strategies such as ballast water regulation based on a prediction result, and realizing real-time optimization. According to the method, the evaluation accuracy is improved by 25%, and the strategy response time is lt; under the conditions of 8-level wind and 1.2 m wave height, the motion amplitude of the platform is reduced by 28%, the shutdown frequency of a hydrogen production system is reduced by 75%, and operation and maintenance of the floating platform are promoted to be upgraded to intelligent.
Owner:BEIJING NORMAL UNIVERSITY

An offshore wind power generation device

The present invention relates to the field of offshore wind power generation, and specifically to an offshore wind power generation device, which includes a floating platform and a wind power generation component arranged at the upper end of the floating platform. A plurality of traction components for pulling the floating platform are arranged below the floating platform, and the traction component includes an L-shaped frame fixed to the lower end of the floating platform, a traction rope is slidably connected to the L-shaped frame, and one end of the traction rope is fixed to the seabed; a circular plate is arranged below the floating platform, and a lifting component for lifting the circular plate and a guide component for guiding the circular plate during the lifting process are arranged on the floating platform; an annular plate is provided on the outer surface of the traction rope, and a cleaning component for cleaning shellfish attached to the surface of the traction rope is provided at the lower end of the annular plate. During the power generation operation, the offshore wind power generation device of the present invention automatically scrapes and cleans the shellfish on the surface of the traction rope through the cleaning component, so as to prevent the shellfish on the surface of the traction rope from affecting the stable power generation operation of the offshore wind power generation device.
Owner:XIAN THERMAL POWER RES INST CO LTD +1

Multi-purpose compensator system

A compensator system includes an expandable frame assembly configured to compensate for motion of a floating platform or vessel in relation to a seafloor below. The expandable frame assembly includes a retainer for supporting a tubular member and a tubular string below. When the expandable frame assembly is in a first position, a first tool assembly, such as a coiled tubing assembly, may be connected to the tubular string. Thereafter, the first tool assembly may be disconnected from the tubular string. The expandable frame assembly may then be moved into a second position, and a second tool assembly may then be connected to the tubular string.
Owner:ADVANCED TOOL & SUPPLY LLC

Floating platform integrating wave attenuation with marine energy power generation and working method thereof

Disclosed is a floating platform integrating wave attenuation with marine energy power generation and a working method thereof, the platform includes a breakwater, a tuned damping wave energy converter, and an offshore floating wind turbine. The breakwater includes double-cylindrical-boxes and connecting bulkheads, and a moon pool area is formed in a middle of the breakwater; the offshore floating wind turbine and the tuned damping wave energy converter are both connected to the breakwater through a connecting rod. A circular groove is formed on an inner side of each of the connecting bulkheads of the breakwater. The breakwater provides the floating base and power generation environment for the offshore floating wind turbine and the tuned damping wave energy converter, and a plurality of the tuned damping wave energy converters can be disposed, and are evenly distributed beneath the offshore floating wind turbine.
Owner:JIANGSU UNIV OF SCI & TECH

Hydroelectric main shaft all-condition simulation test system and method

The invention relates to a hydroelectric main shaft all-condition simulation test system and method, and the system comprises a fixed rack, one side of the fixed rack is provided with a tripping starting detection device, the fixed rack is provided with a hollow three-axis platform, a three-axis excitation system and a rotation driving part, the moving end of the three-axis platform is connected with a hollow floating rack, and a bearing is disposed in the floating rack. The rotation driving part comprises a power part and a main shaft connected to the torque output end of the power part, the main shaft is in transmission connection with the rotating disc, a hydroelectric large shaft used for a simulation test is installed on the rotating disc, and the three-shaft excitation system is used for applying X-direction, Y-direction and Z-direction high-frequency sine excitation loads to the hydroelectric large shaft of the rotating disc. The device is used for overcoming the defects that an existing testing device mainly focuses on vibration loading of a static mechanical device, simulation and performance testing cannot be carried out on dynamic behaviors under the composite working conditions of rotation, vibration and impact of a hydroelectric large shaft, and safety testing and rating cannot be carried out on a hydroelectric generating set sensor and a tripper overspeed protection device.
Owner:CHINA YANGTZE POWER

Floating type platform active stabilization device and floating type wind power platform

The invention discloses an active stabilization device for a floating type platform and a floating type wind power platform. The active stabilization device for the floating type platform comprises a semi-submersible platform; the adjusting assembly comprises a controller and a sensor, the sensor is arranged on the semi-submersible platform to detect angular velocity information, and the sensor is in communication connection with the controller; the counterweight assemblies are arranged in the circumferential direction of the semi-submerged platform and comprise first driving assemblies, guiding assemblies and balancing weights, and the guiding assemblies are located on the same plane and surround the semi-submerged platform; the first driving assembly is in communication connection with the controller and can drive the balancing weight to be adjusted on the guiding assembly. The controller receives the angular velocity information detected by the sensor to obtain the real-time inclination angle of the semi-submerged platform, and the first driving assembly is adjusted to directly drive the balancing weight to move on the guiding assembly, so that the position distribution of the balancing weight on the semi-submerged platform is changed, and the gravity center distribution of the semi-submerged platform is adjusted; therefore, the swinging trend of the semi-submersible platform is resisted, and the effect of quick stabilization is achieved.
Owner:CRRC TECH INNOVATION (BEIJING) CO LTD +1

Floating platform support system with passive out-of-plane tension line dampers

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.
Owner:KENT HOUSTON OFFSHORE ENG LLC

Floating platform tension leg mooring system

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.
Owner:OFFSHORE OIL ENG CO LTD

Novel floating type converter station platform suitable for deep and far sea

PendingCN119637020AFlexible adaptation to the deep sea environmentreduce construction costsFloating buildingsAnchoring arrangementsGravity centerFloating platform
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.
Owner:JIANGSU UNIV OF SCI & TECH +2

Multi-energy cooperation and monitoring platform for offshore oil and gas development

The invention discloses a multi-energy coordination and monitoring platform for offshore oil and gas development, which relates to the technical field of multi-energy coordination and comprises a floating platform main body, and a solar power generation array (1), a sub power generation system (2), a main power generation system (3) and a water turbine cross beam (4) which are positioned on the floating platform main body, the floating platform main body adopts a hexagonal modular structure; the solar power generation array (1) comprises a plurality of monocrystalline silicon photovoltaic panels which are uniformly distributed on the floating platform main body; the sub power generation systems (2) are positioned at six vertexes of the floating platform main body; the main power generation system (3) is located in the center of the floating type platform body. And the water turbine cross beams (4) are uniformly distributed on the periphery of the floating platform main body. By comprehensively utilizing renewable energy sources such as solar energy, wind energy, wave energy and ocean current energy, stable and sustainable energy supply can be provided for the offshore oil and gas platform, and various pain points of a traditional energy supply mode are overcome.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Floating platform tide gauge method based on offshore GNSS data

The invention relates to the technical field of sight distance measurement, and discloses a floating platform tide gauge method based on offshore GNSS (Global Navigation Satellite System) data, comprising GNSS equipment and communication equipment, and comprising the following steps: S01, deploying at least one piece of GNSS equipment sufficient to cover a detection area, and transmitting the GNSS equipment through the communication equipment to establish connection with a user side; s02, the data center of the user side receives real-time GNSS data transmitted by the GNSS device and stores the real-time GNSS data to obtain a GNSS data set; and S03, performing abnormal point deletion and data filtering correction on the received GNSS data set to obtain tide gauge data of the offshore point location. According to the method, accurate tide gauge data are obtained through correction such as GNSS elevation data abnormal point deletion and data filtering, and the problem that the precision of tide gauge data is too low due to displacement of a sinking type tide level instrument in areas such as a shore-based tide gauge station or a strong tide estuary and a soft substrate cannot be arranged in a long-distance offshore operation area is solved.
Owner:ZHEJIANG JIA SHAO KUA JIANG DAQIAO INVESTMENT DEV CO +1

Offshore wind turbine floating foundation and offshore floating type wind turbine

The invention belongs to the related technical field of vibration control of floating type platform structures, and discloses an offshore wind turbine floating foundation and an offshore floating type wind turbine. The offshore wind turbine floating foundation comprises a floating platform, a damping plate and a tuning liquid column damper, and the tuning liquid column damper is arranged in the floating platform; the multiple damping plates are symmetrically arranged on the floating platform. The damping plate is of a trapezoidal structure and is connected to the floating platform through an elastic rotating shaft, and the damping plate is arranged in the axial direction of the floating platform. The offshore wind turbine floating foundation provided by the invention is relatively good in applicability and has a good vibration reduction effect.
Owner:HUAZHONG UNIV OF SCI & TECH

Wind tunnel-pool combined loading floating fan distributed hybrid test method

The invention discloses a wind tunnel-pool combined loading floating fan distributed hybrid test method, which comprises the following steps of: establishing a floating fan multi-body / multi-physical field collaborative reduced scale criterion, dividing a floating fan into two independent physical models and two independent numerical models, and placing the two independent physical models and the two independent numerical models in different laboratories; integrating a physical model, a numerical model, a loading system and a measurement system, and building a floating fan physical-numerical distributed hybrid test platform; and carrying out data interaction and closed-loop control on the physical-numerical hybrid test platform. A fan and a floating platform are adopted as two relatively independent test substructures, test loading or computer simulation can be carried out in different laboratories by establishing different similarity criteria and geometric scale ratios, a collaborative online test and pneumatic-hydrodynamic load loading under the coupling action of wind, waves and flow are carried out through network interaction data, and the test efficiency is improved. The technical problems of environment load high-precision simulation and dynamic coupling response in a reduced scale model test are solved.
Owner:SANYA SCI & EDUCATION INNOVATION PARK WUHAN UNIV OF TECH