316 results about "Mooring system" patented technology

The invention relates to the technical field of numerical simulation ship response, in particular to a ship hydrodynamic response numerical simulation method and system considering the effects of a complex wave field and an automatic mooring system. Firstly, ship radiation potential and hydrodynamic coefficients are obtained based on a three-dimensional potential flow theory and a boundary element method, and wave field information at a berth is obtained in combination with a Boussinesq wave theory; the time domain wave force is solved through the Haskind-Relation theory, and an automatic mooring numerical model integrated with a PD controller is established to calculate the automatic mooring force and torque; and finally, constructing a ship six-degree-of-freedom time domain motion equation based on the data, and solving by adopting a four-order Runge-Kutta method to obtain a time domain response result. The hybrid Boussinesq-Panel technology is adopted, the wave disturbance evaluation accuracy is improved, the blank that existing simulation does not consider an automatic mooring system sufficiently is filled up, arrangement, parameters and control strategies of the automatic mooring device can be flexibly adjusted and secondarily developed, applicability and flexibility are high, and the method is suitable for large-scale popularization and application. And reliable decision support can be provided for procurement and deployment of automatic mooring equipment of a port.

The invention discloses a constant tension mooring control integrated simulation method and a digital prototype system. The system comprises an integrated simulation model, a three-dimensional visualization system, a QT interaction interface and an AQWA verification model. According to the integrated simulation model, sub-simulation models of ships, constant tension winch control, mooring and environment are constructed and integrated through OpenModelica, a multi-physics field coupled integrated simulation model is established, and integrated simulation of the constant tension mooring control system is achieved; the three-dimensional visualization system builds a three-dimensional virtual model of a ship, a winch, a mooring rope, a wharf and a marine environment based on a Unity 3D virtual engine, and three-dimensional visual dynamic display of a simulation result is realized; the QT interaction interface is combined with visual dynamic presentation, and ship motion, winch state and other parameters and control PID parameters are displayed in real time. According to the invention, joint dynamic analysis and control optimization of the ship mooring system in a complex marine environment are realized.

The invention relates to the field of floating type photovoltaics, and discloses a floating type photovoltaic mooring method and device, and according to the mooring method, an anchoring point, a mooring rope and an adjusting assembly are provided; an anchoring point is arranged at the preset elevation of the bank slope, the first end of a mooring rope is fixedly connected to the anchoring point, and the second end of the mooring rope is connected with the floating photovoltaic module; the tension value F of the mooring rope is monitored in the water level change stage, the tension of the mooring rope is dynamically adjusted through the adjusting assembly, water is automatically injected / drained according to the water level change to maintain the pre-tightening tension F1, and the mooring rope and the floating type photovoltaic assembly are limited. The device can adapt to water level fluctuation, automatic sliding adjustment is achieved through gravity and buoyancy balance by means of the floating body, elastic elements are not needed, and fatigue failure can be avoided; closed-loop adjustment is formed by monitoring tension feedback of the mooring rope, and it is ensured that the mooring system is in the optimal tensioning state all the time. Moreover, a sliding rail or an anchoring point does not need to be arranged on the reservoir wall, the anti-seepage layer is protected, and the reservoir basin anti-seepage structure is prevented from being damaged.

The invention relates to the technical field of floating type platform mooring systems, and discloses a self-adaptive mooring cable, a manufacturing method and a self-adaptive mooring method.The self-adaptive mooring cable sequentially comprises a center main bearing layer, a middle protection layer and an outer self-adaptive regulation and control layer from inside to outside. The central main supporting layer is composed of synthetic fiber cables with high tensile strength; the middle protective layer wraps the periphery of the main bearing layer, is formed by weaving fiber materials and is used for preventing external media from invading; the outer-layer self-adaptive regulation and control layer covers the periphery of the protective layer and is woven into a net-shaped structure by shape memory alloy wires; the shape memory alloy woven mesh is configured to be capable of dynamically adjusting the overall rigidity of the mooring cable through thermoelastic martensite phase transformation based on environment temperature changes, and creep deformation of the synthetic fiber cable is slowed down. Through the synergistic effect of the three-layer structure, the structural stability and performance consistency of the mooring cable in long-term use are guaranteed.

The invention relates to the technical field of offshore wind power equipment, and discloses an offshore floating type wind turbine mooring system optimization method based on a proxy model, and the method comprises the following steps: S1, determining key design parameters; s2, sampling to generate design points; s3, establishing a total index function of multi-target coupling; s4, generating a sample database through numerical simulation; s5, constructing an agent model by using a Kriging method; s6, calling the proxy model to search an optimal solution by adopting a differential evolution algorithm; s7, performing numerical simulation verification on the optimal solution and judging convergence; and S8, if not, updating the database and returning to S5 for iteration, and if so, outputting the optimal configuration. According to the method, the problems that a traditional optimization method is high in simulation calculation cost and too long in consumed time are solved, searching is carried out through the proxy model instead of high-precision simulation, the verification iteration step is combined, the optimization efficiency is greatly improved while the result accuracy is guaranteed, and the multi-target mooring scheme with the optimal comprehensive performance can be efficiently obtained.

The invention discloses a full-coupling numerical simulation system and method for a wind and wave hybrid energy obtaining system, and relates to the field of data analysis, and the method comprises the steps: generating an aerodynamic load of a current period based on incoming flow wind speed and coupling dynamics response data of a previous simulation period; based on preset mooring system parameters and the coupling dynamics response data of the previous simulation period, generating a mooring load of the current period; in the random wave field, determining the hydrodynamic force of the floating foundation entity and the wave energy power generation entity, and generating a wave load; determining a PTO force based on the relative motion between the power generation platform and the wave energy power generation entity; and taking the aerodynamic load, the mooring load, the wave load and the PTO force as external force terms in the same time domain kinetic equation for unified solution, and obtaining a coupling kinetic response of the current simulation period. According to the full-coupling numerical simulation system and method for the wind and wave hybrid energy obtaining system, the simulation precision of the simulation system can be improved, and the overall calculation efficiency of the system is improved.

The invention discloses a floating type offshore hydrogen-based energy production platform easy to release and a working method thereof, and relates to the field of offshore new energy development. The production platform comprises a platform body, a floating body foundation, a mooring system, a quick plugging device and a dynamic cable. The mooring system comprises at least one mooring assembly, and the quick plugging device is installed between the platform body and the dynamic cable. An auxiliary propeller is installed on one side wall of the floating body foundation and used for moving and adjusting when the platform is positioned and released. The multiple mooring assemblies are connected with a releasing device through anchor chains to achieve disconnection of anchoring positions, the production platform can be withdrawn out of an anchoring area, and platform damage caused by anchor chain breakage in extreme stormy wave environments such as typhoons is avoided. Electrical connection between the dynamic cable and the offshore wind power plant is cut off through the quick plugging device, and the cable is cut off in a non-destructive manner, so that repeated deployment cost caused by traditional cutting is avoided; after release, the production platform can be repositioned through the tug, anchor chains and cables do not need to be cut and relaid, and operation and maintenance are convenient.

The invention discloses a semi-cylindrical shell floating breakwater with a multi-stage energy dissipation and vibration reduction and flexible mooring system, and belongs to the technical field of ocean engineering. The breakwater aims at solving the technical problems that an existing floating breakwater is limited in energy dissipation efficiency under the complex sea condition, the overall motion response is violent, and the stress of an anchoring system is too large. The breakwater comprises a floating body unit which is provided with a semi-cylindrical shell and a floating box, and a plurality of rows of wave dissipation holes are formed in the head wave side of the shell; the energy dissipation and vibration reduction system is arranged below the buoyancy tank and comprises a vertical connecting rod, a horizontal through hole vibration reduction heaving plate, a first vibration reduction damper arranged on a section of the vertical connecting rod and a vertical through hole wave dissipation plate; and the flexible anchoring system comprises an anchor block arranged on the seabed, an anchor chain for connecting the anchor block and the floating box, and a second vibration reduction damper arranged on the anchor chain. The breakwater is mainly used for wave protection and energy dissipation in ports, coast and offshore engineering areas.

The invention provides a floating photovoltaic split mooring platform, and belongs to the technical field of ocean engineering. The platform mainly comprises at least one floating body, and the floating body is provided with a first floating frame and a second floating frame. Wherein a photovoltaic panel is mounted on the first floating frame; the first floating frame is in sliding connection with the second floating frame, and a damper is arranged between the first floating frame and the second floating frame; and the second floating frame is connected with the berth. The floating body is designed to be of a split type structure, through sliding connection, heaving displacement generated by tide level changes is absorbed by the first floating frame in a self-adaptive mode, the stress state of the second floating frame is not obviously changed, tidal range input is prevented from directly acting on the whole, then forced coupling of the tidal range to the mooring system is weakened, and the mooring effect is improved. The mooring peak tension and the cyclic fatigue risk are obviously reduced; furthermore, the second floating frame can be moored and deloaded through the split design, safety protection is enhanced, and the safety, reliability and applicability of the platform in a large-tidal-range shallow sea area are remarkably improved.

A floating photovoltaic system (1) comprising a flotation unit (100) and a mooring system (30), wherein the flotation unit (100) comprises at least one sail (2) having at least one vertical or near vertical photovoltaic panel (20) mounted on a mast (3) and supported on a base (5), wherein the base (5) further comprises at least one buoyancy element (10); and wherein the mooring system (30) comprises a single point mooring buoy (32) connected to at least one buoyancy element (10) or the base (5) via mooring lines (33), and at least one mooring line (34) from the single point mooring buoy (32) tethered to at least one anchor point (36).

Yoke mooring systems and processes for using same. The system can include a turntable connected to and rotatable with respect to a base. A yoke can be connected to the turntable such that the yoke can at least partially rotate about a longitudinal axis of the yoke and at least partially rotate about a second axis that can be orthogonal to the longitudinal axis. A first and second link arm can be connected to the yoke and to a first component of a first and a second releasable connector, respectively. A first and second lifting line can be connected to the second end of the first and second link arms, respectively. A first and second lifting device can be disposed on a vessel and configured to be connected to a second end of the first and second lifting lines, respectively, to lift and lower the link arms and the yoke.

The application discloses a sea floating type wind turbine generator foundation mooring system, which comprises an anchoring foundation, a mooring system, a floating body foundation and an upper wind turbine; the mooring system comprises a bottom section mooring chain, an intermediate mooring cable and an upper section mooring chain; the length of the intermediate mooring cable is greater than the straight line connecting distance between the bottom section mooring chain and the upper section mooring chain, and the tension adjustment of the intermediate mooring cable is realized through the buoyancy effect, so as to realize the effective connection between the anchoring foundation and the floating body foundation; the anchoring foundation is connected with the bottom section mooring chain of the mooring system; the bottom section mooring chain is connected with the intermediate mooring cable; the intermediate mooring cable is connected with the upper section mooring chain; the upper section mooring chain is connected with the floating body foundation; the upper wind turbine is installed on the upper foundation; the whole mooring system does not use high-cost equipment such as tensioners, and the relatively expensive tensioner product cost and the cost of large ship machine equipment used for using the tensioner are saved through the buoyancy.

The present invention relates to a fairlead chain stopper for an offshore structure-mooring system, the fairlead chain stopper comprising: a body installed on an offshore structure to support a portio

The application discloses a kind of based on wind power energy's breeding-data fusion platform and its control method, belong to marine engineering equipment technical field.The platform includes SPAR type floating foundation, wind power generation unit, liftable rigid culture net cage, guide mechanism, data equipment cabin, energy storage and control system and mooring system.Guide mechanism includes the vertical guide rail fixed to the outside of main column, the guide unit group with the sliding cooperation of guide rail and replaceable composite gasket.Hydraulic drive system and locking device are arranged between main column and net cage, and hydraulic drive system drives net cage to switch between normal breeding station, maintenance station and anti-taiyin station.Data equipment cabin is used to collect water quality, fish behavior and equipment state data, and energy storage and control system receives wind power and supplies power and outputs control instruction.The application realizes closed-loop control of wind power energy supply and breeding monitoring, improves the guiding reliability of net cage lifting, anti-taiyin ability and maintenance accessibility.

This invention relates to a multi-mode communication release-response integrated time-synchronized underwater mooring system and method, and relates to the fields of underwater acoustic communication networks and underwater positioning and navigation technology. The purpose of this invention is to solve the problems of poor reusability of existing underwater mooring systems in complex and diverse application scenarios, the insynchrony of time among mooring nodes making it impossible to coordinate data aggregation or communication reporting tasks at precise times, resulting in single-function underwater mooring equipment, low resource utilization, and large reference time errors. The system includes multiple dual-master control mooring communication units and an external battery compartment, integrating spread spectrum communication, OFDM communication, multiple orthogonal response, atomic clock timekeeping, release control, and positioning functions; it achieves time synchronization and local timekeeping through 1PPS signals and GPRMC information or absolute time information; after deployment, each node completes multi-mode signal reception and response according to a preset mode, and serves as a positioning anchor point to achieve platform positioning through a long baseline positioning algorithm; after the task is completed, it is released and surfaced under control.

The invention relates to an offshore wind-fish fusion platform for intensive sea use. The offshore wind-fish fusion platform comprises a semi-submersible foundation platform, a gravity type culture net system and an intelligent culture management system, the semi-submersible foundation platform is composed of a floating fan platform, an anchor chain and a shared suction anchor, and the anchor chain is connected between the floating fan platform and the shared suction anchor; the gravity type breeding net system comprises tension leg mooring systems and a breeding net, the breeding net is of an annular structure, the tension leg mooring systems are arranged on the breeding net at intervals and used for fixing the breeding net, the shared suction anchors are connected with the bottoms of the tension leg mooring systems, and the connecting points are arranged at the bottom of the breeding net in a surrounding mode. And the semi-submersible foundation platform is arranged at the central position of the gravity type culture net system. The utilization rate of the ocean is improved.

The application discloses a kind of single-point mooring chain and anchor chain disc connection damage monitoring and inhibiting device and method, it is related to the inner turret type single-point mooring safety monitoring and protection technical field, the device is set in the tower body structure under the turret of the inner turret type single-point mooring system, including: motion measurement module, contact load measurement module, mooring chain measurement module, collaborative control module and inhibiting drive module, motion measurement module is used to obtain the motion characteristics of turret;Contact load measurement module is used to measure contact interface load and wear amount;Mooring chain measurement module is used to obtain chain body posture and tension;Collaborative control module carries out damage grade determination and instruction output;Inhibiting drive module executes pre-tightening force adjustment, mechanical locking and wear compensation to realize hierarchical inhibition.The application solves the problem of insufficient in-situ monitoring capability of contact interface in the prior art, lack of active inhibition means, realizes in-situ perception, intelligent determination and hierarchical inhibition of intelligent control of the damage of mooring chain and anchor chain disc connection.

The invention discloses an outer rotating tower type mooring device and method for a pool model test. The outer rotating tower type mooring device and method are used for solving the problem that a test platform cannot rotate freely. The device comprises a supporting frame, a sensor, a bearing seat and a rotating assembly, one end of the supporting frame is connected with a ship model, and the other end, away from the ship model, of the supporting frame is provided with an opening structure; at least one part of the sensor penetrates through the opening structure, and the bearing seat is connected with the sensor; the rotating assembly comprises a rotating shaft and a hanging scaffold used for mooring an anchor chain, one end of the rotating shaft is rotatably connected with the bearing seat, the other end, away from the bearing seat, of the rotating shaft is connected with the hanging scaffold, the hanging scaffold drives the rotating shaft to rotate synchronously when rotating, and the sensor is used for collecting mooring restoring force and dynamic response data information of the ship model. The device can ensure the synchronous free rotation of the rotating shaft and the hanging scaffold, and can effectively reproduce the free rotation characteristic of the external rotating tower type mooring system in engineering practice.

The invention relates to the technical field of wind power equipment, and discloses a floating type wind power device which comprises a wind power unit and a wind power platform. At least three box type connecting structures are uniformly arranged in the circumferential direction of the fan base; the ballast block is coaxial with the fan base; and the damping device is arranged in the box type connecting structure in a sliding mode and comprises a damper, the end, away from the fan base, of the damper is anchored to the seabed through a first mooring system, and the end, facing the fan base, of the damper is connected with the ballast block through a second mooring system. The sliding damping device is arranged in the box-type connecting structure, the environmental load is introduced into the damper through the first mooring system, the inertia response of the ballast block is introduced into the damper through the second mooring system, two paths of input are coupled at the damper, vibration energy is consumed through the hydraulic damping effect, and the damping effect is improved. The stability and safety of the platform under complex sea conditions are remarkably improved, and the surging, swaying, heaving and yawing movement of the platform is effectively restrained.

A disconnectable mooring system for offshore semi-submersible floating structures. A disconnectable buoy has a number of mooring lines which include a buoy chain between the mooring chain and the buoy. The mooring chain and the buoy chain are connected via a three way mooring connector, with the third connection configured to pull the mooring connector to a mooring point on the structure. In a first configuration the buoy is disconnected and supports the mooring chains for recovery at shallow depths to be pulled in. In a second configuration, the mooring lines are pulled in via the mooring connectors thereby providing a spread mooring to the structure with the buoy chain left as a catenary between the buoy and mooring point.

The invention relates to the technical field of ocean energy development and utilization, in particular to a soft rigid arm single-point mooring wave energy power generation device which comprises a floating structure, a mooring support, a hinge power generation module, a mooring leg, a mooring arm, a column hinge shaft and a mooring tower. One end of the mooring leg is connected to the mooring support through one hinge power generation module, the other end of the mooring leg is connected to the lower end of the mooring arm through the other hinge power generation module, the upper end of the mooring arm is connected to the mooring tower through a column hinge shaft, and the mooring tower is fixedly installed on a seabed. The six-degree-of-freedom motion of the floating body can be subjected to energy capture, so that wave energy is converted; the flexible rigid arm single-point mooring system can adapt to the change of the wind wave direction and comply with the weather cock effect; the soft rigid arm single-point mooring system not only can position the wave energy power generation device, but also can convert wave energy, that is, the soft rigid arm single-point mooring system also has a wave energy conversion function.

The invention discloses a wave-light combined energy supply observation buoy for a marine ranch cluster. The wave-light combined energy supply observation buoy comprises a transparent hemispherical shell, a cylindrical shell, a photovoltaic power generation system, an oscillation floater type wave energy power generation device and a mooring system. The photovoltaic power generation unit on the inner surface of the hemispherical shell utilizes sunlight to generate power and inputs the power into the energy storage battery; the bottom of the cylindrical shell is connected with the mooring system and anchored to the seabed; an inertia pendulum power generation module of the wave energy power generation device is installed in two vertical directions, when the inertia pendulum power generation module is excited by random waves, the device captures multi-degree-of-freedom energy in sea waves for power generation, and the multi-degree-of-freedom energy is input into an energy storage battery after being rectified. The energy conversion structure of the power generation device is simple and integrated in the equipment, and the damage of seawater to a core power generation part can be prevented during working; two power generation mechanisms of solar energy and wave energy are combined to realize power generation in different sea areas and under different wave conditions, the energy output efficiency is effectively improved, and the stored electric energy can continuously supply energy to various sensors in the drifting buoy so as to prolong the endurance time of carried observation equipment.

The utility model discloses a novel wind power foundation platform, and relates to the technical field of offshore wind power generation equipment, the novel wind power foundation platform comprises a wind turbine generator, a wind power platform, a mooring system and an anchoring foundation, the wind power platform comprises a horizontal rod system, an inclined rod system, a wind turbine generator tower cylinder bearing platform, a balancing weight, a connecting piece and an adjusting mechanism, the inclined rod system extends upwards from three angular points of the horizontal rod system to the wind turbine generator tower cylinder bearing platform, and the wind turbine generator tower cylinder bearing platform is located over the horizontal rod system. The balancing weight is located under a wind turbine generator tower cylinder bearing platform and connected to the three angular points of the horizontal rod system and the wind turbine generator tower cylinder bearing platform through the connecting pieces, and the adjusting mechanism is used for adjusting the length of the connecting pieces. The wind power platform is simple in structure, the gravity center of the floating platform can be adjusted, and transportation and installation are convenient.

The invention provides a mooring system and a floating platform. The mooring system comprises a surrounding frame assembly, the surrounding frame assembly comprises a plurality of connected surrounding frames, a mooring space is formed in each surrounding frame, a platform is contained in each mooring space, each surrounding frame comprises a plurality of floating rope sections, a plurality of floating rope rings and a plurality of depth adjusting pieces, any two adjacent floating rope sections are connected through one floating rope ring, and the depth adjusting pieces are arranged on the floating rope rings; the plurality of auxiliary cable assemblies are arranged corresponding to the plurality of enclosure frames; each auxiliary mooring rope assembly comprises a plurality of auxiliary mooring ropes, and each auxiliary mooring rope is connected with the interface of the platform in the corresponding enclosure frame and the floating rope ring of the enclosure frame; the main mooring rope assembly comprises a plurality of main mooring ropes, each main mooring rope comprises a soft section and an anchor chain section which are connected with each other, and the soft sections are connected to the floating rope ring; the soft section is located below the water surface; the anchor assembly comprises a plurality of anchors which are arranged in the circumferential direction of the enclosure frame assembly at intervals; each anchor is connected with at least one anchor chain section, and the anchors can sink into the water bottom to fix the enclosure frame assembly and further fix the platform.

The application discloses a coupling dynamic response calculation method of a floating platform and a mooring system, and relates to the technical field of ships and ocean engineering. The method comprises the following steps: determining a hydroelastic response estimation value of the floating platform at a current simulation moment in a T+1th response updating step; converting the hydroelastic response estimation value to obtain a dynamic response of a mooring point, and calculating a mooring load of the mooring system in the T+1th response updating step; solving the hydroelastic response of the floating platform by using the mooring load in the T+1th response updating step; and obtaining a dynamic response numerical simulation result when the dynamic response iterative coupling calculation reaches a convergence state, and entering a next simulation moment. The method considers the coupling effect of the mooring system and the floating platform under the combined influence of the rigid body motion and the elastic deformation of the floating platform, and can more accurately predict the coupling dynamic response of the floating platform and the mooring system.

A magnetic tethering apparatus includes an end cap. The end cap includes an opening at a first end of the end cap, an outer wall extending from the first end to a second end of the end cap in a first direction, a first mounting surface at the second end of the end cap configured to engage with a second mounting surface, an inner wall extending from the second end of the end cap towards the opening in a second direction, and a base wall surface at the first end extending radially from the inner wall to the outer wall in a third direction transverse to the first direction.

The invention discloses a floating type fan platform and a mounting method thereof, and relates to the technical field of offshore wind power, the floating type fan platform comprises a floating body platform, a ballast part, a connecting mechanism and a mooring system; the floating body platform comprises a central stand column and a plurality of side column assemblies distributed around the central stand column, each side column assembly comprises a side stand column, a bypass floating body and a transition piece, the side stand column is connected with one end of the bypass floating body through the transition piece, and the other end of the bypass floating body is connected with the central stand column; the ballast part is connected to the lower portion of the floating body platform through a connecting mechanism, and the connecting mechanism can drive the ballast part to move in the direction close to or away from the floating body platform. The mooring system is connected with the transition piece. According to the application, the ballast piece can be switched between the contraction position for transportation and the extension position for in-place work through the connecting mechanism, so that the stability of the floating type fan platform and the transportation convenience are both considered. In addition, the floating body platform of the floating type draught fan platform is designed in a modularized mode, and the assembling efficiency of the floating type draught fan platform is improved.

The present application relates to offshore wind power technology field, disclose a kind of floating offshore wind turbine model test mooring system simulation device and method, its device includes multiple mooring parts, each mooring part includes: multiple longitudinal telescopic rod is arranged in rectangular matrix at experimental pool bottom;Multiple transverse telescopic rod is respectively connected in the top of two adjacent longitudinal telescopic rod;Steel plate is horizontally arranged on transverse telescopic rod and is arranged on the magnetic suction chuck of steel plate surface;Anchor chain two ends are respectively connected with the fairlead of floating platform and magnetic suction chuck, and elastic section is provided at the place close to the fairlead of anchor chain;Tension sensor is arranged at the elastic section of anchor chain and the position of the fairlead of floating platform;The device and method can simulate the mooring system arrangement situation of floating offshore wind turbine in towing tank and the model water depth required by experiment, ensure the accurate reproduction of catenary mooring geometric similarity, mass similarity and dynamic similarity, provide technical support for floating offshore wind turbine model test.

This invention belongs to the field of energy supply and marine engineering for electric vessels at sea. It discloses a modular, mobile charging and swapping platform for electric vessels at sea and its operating method, solving the problem of frequent return-to-port charging for electric vessels due to reliance on shore-based charging facilities. The platform consists of multiple floating modules and a bow guide module. The modules are connected by hinged connectors, robotic arms, and connecting rods, allowing for flexible adjustment of the number of modules according to the power needs of different electric vessels. The platform utilizes renewable energy sources such as offshore wind farms for charging and is moved to the operating area of ​​the electric vessel by tugboat to provide power replenishment, reducing the time and cost of returning to port for charging. The platform employs a single-point mooring system, enabling flexible positioning during charging via the robotic arm. This invention significantly improves the operating efficiency and endurance of electric vessels at sea, reduces the frequency of returning to port for charging, and has broad application prospects, especially suitable for vessel operations in deep-sea and remote waters.

The application relates to the field of offshore wind power generation, in particular to a double-impeller wind turbine outer rotating tower type single-point mooring system which comprises a floating foundation, a first wind turbine, a second wind turbine and a single-point mooring device, the floating foundation comprises a main stand and a V-shaped support, the first wind turbine and the second wind turbine are separately installed on the top of the V-shaped support, the bottom of the main stand is provided with a lower floating box, the single-point mooring device comprises an outer rotating tower, a main bearing, an anchor chain disc and an anchor chain, the upper end of the main stand is provided with an outer extension column, the end of the outer extension column away from the main stand is provided with a mounting groove, the outer rotating tower is arranged in the mounting groove, the anchor chain disc is fixedly connected with the bottom of the outer rotating tower, one end of the anchor chain is connected with the anchor chain disc, and the other end is fixed with a seabed, the inner ring of the main bearing is connected with the outer rotating tower, and the outer ring is connected with the inner wall of the mounting groove, and the outer rotating tower and the main bearing are located above the waterline of seawater. The floating foundation of the application can rotate around the mooring point, the unit yawing system is cancelled, and the unit failure rate is reduced.