351results about "Mooring equipment" patented technology

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 present invention relates to the technical field of ship warning, and discloses a method for monitoring and warning the mooring state of a ship. During a first preset time period, environmental characteristic data, stability data and cable winching data of ships in a target mooring water area are collected at fixed time intervals; a stability score is calculated for the moored ships in the target mooring water area according to the stability data; a feng shui topology is constructed based on all the ships in the target mooring water area, and corresponding standard environmental data is generated for each moored ship based on the feng shui topology and the environmental characteristic data; a stability prediction model is trained based on the standard environmental data, cable winching data and corresponding stability scores of each moored ship during the first preset time period; during a second preset time period, the length and tension of each cable winching are dynamically managed based on the stability prediction model in combination with an optimization algorithm.

The controller 13 of the information processing device 11 includes at least an acquisition unit, a straight line calculation unit, and a distance calculation unit. The acquisition unit is configured to acquire measurement data, which is a set of data representing a plurality of measured points measured by a measurement device provided in a ship. The straight line calculation unit is configured to calculate, based on the measurement data, a straight line along a berthing place where the ship is berthed. The distance calculation unit is configured to calculate the distance between the ship and the berthing place based on the distance between the straight line and each of the measured points.

The invention relates to the technical field of ship fairlead devices, in particular to a vibration and noise reduction fairlead of an anchor windlass, which comprises a main support, a side support is fixedly arranged on the main support, a lower support is fixed at the bottom of the side support, an adaptive deflection mechanism is arranged on the lower support, and an inclined roller is arranged on the adaptive deflection mechanism. A surface cleaning mechanism is arranged in the main support; in the process of using the cable for traction, when the guiding direction changes, the cable collides with the inclined rollers on the two sides, and during collision, yielding is achieved through deflection of the adaptive deflection mechanism, so that the impact action time is effectively prolonged, the peak impact force is reduced, the supporting sleeve is prevented from being broken under the action of torsion, and the service life of the cable is prolonged. Meanwhile, vibration caused by collision between the mooring rope and the fair lead is prevented, the situation that the mooring rope is broken or the connecting position of the fair lead is loosened due to vibration is avoided, noise generated when the fair lead is used is reduced through vibration reduction, and the body health of sailors is protected.

The invention discloses a mooring device with a wave compensation function, which is formed by bilaterally symmetrically arranging a first mooring winch to an Nth mooring winch on a ship deck along a ship side part, all the mooring winches are the same in composition and parameter setting, and the other end of each mooring winch is connected with a fixing anchor through a mooring cable; when the mooring winch on the left side draws the cable, the mooring winch on the right side draws the cable, and vice versa. The mooring device has the function of automatically buffering the impact of waves on the ship body, the ship can automatically return to the initial position under the action of the mooring device after the wave impact is eliminated, passive wave compensation is achieved, the good energy-saving effect is achieved, the moored ship can be in an unattended state for a long time, all mooring winch interfaces are unified, and the mooring effect is good. And engineering installation and implementation are facilitated, and cost reduction is facilitated. The invention further provides a control system and a control method of the mooring device.

A safety system for a boat, watercraft or other vehicle includes a kill switch connected to the motor for preventing the motor from running under dangerous circumstances. The system may include proximity sensors operatively connected to the kill switch, so that the motor only runs when the proximity sensor detects a person properly positioned at the captain's console. Other sensors may form an array to communicate with the kill switch, to automate certain features and systems, or to otherwise provide alarms upon detection of dangerous situations, including a carbon monoxide detection sensor system, gate sensors, anchor-down sensors, ladder sensors, ambient light sensors, optical rain sensors for operating an automated windshield wiper safety system, an array of cameras strategically positioned around the periphery of the watercraft for monitoring purposes, and an automated anchor / navigation light system.

A watercraft mooring system comprising a plurality of interchangeable mooring members for the temporary mooring of one watercraft to another watercraft or one watercraft to a stationary object such as a dock. The interchangeable mooring members comprising connecting rod member embodiments with adjustable lengths and connecting rod members without adjustable lengths, vacuum-handle member embodiments that provide an initial vacuum and a continuous vacuum to one or more vacuum cup assemblies, and a cleat connector member embodiment that is interchangeable with a vacuum-handle member. Embodiments of vacuum-handle member providing up to three points of omni-directional pivot functionality between the present invention and a temporarily moored watercraft.

The invention relates to the technical field of ocean engineering, and discloses an offshore pile leg auxiliary sliding device which comprises a hoop assembly, a moving assembly, a connecting assembly and a clamping assembly, the hoop assembly comprises two arc-shaped hoops, the two arc-shaped hoops are arranged on a pile leg in a hooping mode, and mounting bases are arranged on the arc-shaped hoops; the moving assembly comprises an inhaul cable and a sliding assisting mechanism, one end of the inhaul cable is connected with the top of the hoop assembly, the other end of the inhaul cable is connected with the lifting device, and the sliding assisting mechanism is arranged on the arc-shaped hoop and comprises a driving component and a sliding component; the connecting assembly comprises an elastic tensioning mechanism and a diameter adjusting mechanism, the first connecting ends of the two arc-shaped hoops are connected through the elastic tensioning mechanism, and the second connecting ends of the two arc-shaped hoops are connected through the diameter adjusting mechanism; the clamping assembly comprises two sets of clamping mechanisms, the two sets of clamping mechanisms are arranged on the two arc-shaped hoops correspondingly, lifting movement can be conducted on the pile leg with the diameter changing, and the device applicability is high.

The invention discloses an automatic laying and recycling module and method for an anchor chain cleaning and detecting device, the automatic laying and recycling module comprises a docking system and a transportation system, the transportation system is installed on an overwater system of the device, and the docking system is installed on an underwater system of the device; the automatic laying and recycling module automatically completes the following three steps: putting the device into water, clamping an anchor chain by the device, and returning the device to a ship, excessive human interference is not needed, errors of manual operation are reduced, the anchor chain cleaning and detecting device can more stably and efficiently complete tasks in a complex underwater environment, and the working efficiency is improved. And the maintenance efficiency and safety of the anchor chain are obviously improved.

An apparatus for securing watercraft against tidal action, wind and weather has an elongate vertical shaft having a top end and a bottom end and a slide block slidably attached to the elongate vertical shaft. The slide block slides between the top end and the bottom end and has a pair of slots therein and an opening positioned between the slots. The slots and opening are configured to allow a mooring line to be secured to the slide block. A top mounting bracket and bottom mounting bracket are attached to the top end and bottom end, respectively, of the elongate vertical shaft. The top and bottom mounting brackets are configured for attachment to mooring structures. The top mounting bracket includes an integral mooring line hook. A compression spring is mounted on the elongate vertical shaft and seated upon the bottom mounting bracket and absorbs the impact of the slide block.

The invention relates to the technical field of vibration reduction control of an offshore wind power structure, and discloses a vibration reduction and energy dissipation anchor chain for a floating type offshore wind power structure and a using method.The vibration reduction and energy dissipation anchor chain comprises an anchor chain fixing ring installed on a drum body of a tower drum located on a floating platform; the vibration reduction assembly comprises a plurality of vibration reduction anchor heads and a plurality of flexible anchor chains, the tail ends of the vibration reduction anchor heads are connected with the anchor chain fixing ring through the flexible anchor chains, and the head ends of the vibration reduction anchor heads stretch into a seabed foundation and are used for anchoring and vibration reduction of the tower drum. The floating platform is connected with a suction barrel foundation in a seabed foundation through the flexible anchor chain; and the energy dissipation assembly comprises a plurality of anchor chain energy dissipation pieces, and the anchor chain energy dissipation pieces are installed on the flexible anchor chain and used for conducting vibration reduction and energy dissipation on the flexible anchor chain. The device has the advantages of being flexible in arrangement, adjustable and controllable, vibration reduction and energy dissipation are achieved for a wind power structure floating on the sea, and then the service life of the offshore wind power structure is prolonged.

The present invention discloses a mooring stabilization method and device for ship berthing. The method comprises: obtaining external environmental parameters and ship parameters; obtaining relative position information between the ship and the dock, and determining the position of the ship in the wind flow based on the relative position information; determining the desired distance between each mooring pile, the desired distance between the ship and the shore, and the desired length of each cable based on the external environmental parameters, the ship parameters, and the position of the ship in the wind flow; obtaining the ship's roll angular velocity and the ship-turning torque due to environmental factors, and transmitting these to a mooring stabilization device for the mooring stabilization device to assist the ship in mooring. The present invention combines the current external environmental conditions of the ship with its own parameters to determine the desired distance between each mooring pile, the desired distance between the ship and the shore, and the desired length of each cable under different wind flow conditions, thereby accurately controlling the ship's mooring state, ensuring the safety and economic benefits of the ship during mooring, and can be widely used in the fields of ship berthing and ship mooring.

The invention relates to the field of ocean engineering production, in particular to a floatable building for an island reef, which comprises a hull structure, a floating building body and an adjusting plate, the right end of the hull structure sinks into the seabed along one side of the island reef, and the adjusting plate is arranged at the top of the hull structure and is integrally of an L-shaped structure; according to the floating building, the pushing claw anchoring assembly is arranged, a fixing piece, an auxiliary plate, a pushing claw plate and a pushing claw piece of the pushing claw anchoring assembly are matched with one another, the pushing claw piece is driven by the gravity of the ship body to laterally extrude seabed soil, the seabed soil is accumulated in the pushing claw plate, and the seabed soil is separated from the ship body; the V-shaped push claw pieces with the sharp ends increase the contact area and the road holding force with seabed soil, the anchoring effect of the floatable building on the seabed is improved, meanwhile, the driving assembly drives the three sets of push claw pieces to do radial movement on the seabed through gravity transmission of the hull structure to achieve radial fixing, and the stability is further enhanced.

A system that maintains the relative and / or absolute geographical positions of two or more buoyant devices floating in a body of water. A plurality of formation restoring tethers are disclosed which permit the unrestricted vertical movement of networked buoyant devices, while resisting increases in their lateral separations by providing restoring forces to oppose such separations. Tensioning mechanisms incorporated into the tethers generate the resistance to the lateral separations of two or more entities by transforming such separations into an increase in the potential energy stored within such tensioning mechanisms, the potential energy of which is released in the process of restoring the original separations and / or positions of the displaced buoyant devices.

The invention discloses a cutter suction dredger height limit section multi-anchor cable tension self-adaptive regulation and control system, which relates to the technical field of intelligent ocean engineering equipment, and comprises an acquisition module for acquiring ship environment situation data, carrying out timestamp alignment, noise filtering and coordinate system unification, generating a multi-modal environment data packet, a model construction module, a control module and a control module, a three-dimensional dynamic situation field model is constructed by utilizing a potential field modeling engine based on a multi-modal environment data packet, a potential field distribution matrix is generated through a finite difference method, meanwhile, a partial derivative of the potential field distribution matrix is calculated by utilizing central difference, a three-dimensional potential field gradient tensor is generated, and a path planning module is used for planning a path on the basis of the three-dimensional potential field gradient tensor. Candidate path nodes are iteratively generated by adopting an RRT algorithm, smoothing processing is carried out through a cubic spline interpolation algorithm, an initial navigation path is generated, and the tension of the anchor cable can be dynamically adjusted according to actual environment changes by constructing a three-dimensional dynamic situation field model, so that the stability and the safety in the operation process are improved.

Aspects of the disclosure pertain to single point mooring systems and method used in relation to single point mooring systems wherein, the system divides the restoring weight for the mooring system in two and removes hinges and swivel joints from the gravitational load path suspending the restoring weight.

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 present application provides a bow fast limiting device for docking with an offshore wind power foundation, which includes a step platform arranged at the front end of the bow. Bow-shaped holding column devices are respectively arranged on both sides of the step platform on the bow. The holding column devices are connected to the bow through a hinge seat group so that the operation and maintenance ship can swing. Each holding column device is used to hold each anti-collision bar, solving the problem of stably connecting the berthing structure of the offshore wind power foundation with the operation and maintenance ship.

Marine terminals and processes for using same. In some embodiments, the marine terminal can include a buoyant structure configured to be moored to a seabed via first and second mooring structures. The first mooring structure can include an elongated member, a mooring leg configured to be attached to the seabed and to the elongated member, and a coupler configured to provide an articulated connection about at least two axes of rotation between the elongated member and the buoyant structure. The second mooring structure can include a mooring line anchor configured to be connected to the buoyant structure and the seabed or a second elongated member, a second mooring leg configured to be attached to the seabed and to the second elongated member, and a second coupler configured to provide an articulated connection about at least two axes of rotation between the second elongated member and the buoyant structure.

A sensor system for monitoring elongation or bending of an elongate element such as a rope 10 comprises at least two supports 12,14 that are attachable to the element at respective positions spaced along the element. At least one of the supports carries an laterally offset emitter for emitting a signal 20 and at least one of the supports carries a laterally offset receiver for receiving the signal. A processor is configured to determine the distance between the supports by measuring time of flight of the signal from the emitter to the receiver along the signal transmission path. The emitter and receiver may be located at the same support, with a toroidal reflector at the second support for reflecting a signal. A plurality of emitters and receivers may be used and may transmit an acoustic signal. The system can be used to monitor subsea anchor cables, moorings, pipes and risers.

The present invention relates to a floating wind turbine generator (WTG) foundation for a floating WTG system, the floating WTG foundation comprising: a floater having a generally cylindrical shape, wherein the floater defines a vertical axis, the floater comprising ballast at a lower end thereof, an upper projection extending upward from the floater, the upper projection having a smaller cross-section than the floater, at least three anchors which are connected to the seabed, at least three tendon assemblies, each tendon assembly extending between one of the anchors and a respective mounting position on the floater.

An offshore wind farm includes at least four floating structures designed to receive a wind turbine, with each floating structure having at least three mooring lines, and each mooring line is attached to a mooring point arranged around said floating structure. The mooring lines facing inward from the offshore wind farm form the inner mooring lines of the offshore wind farm and the mooring lines facing outward from the offshore wind farm form the peripheral mooring lines of the offshore wind farm, wherein two adjacent floating structures have at least one of their peripheral mooring lines crossing each other, with at least one of these peripheral mooring lines comprising a buoyancy element.

A magnet activatable release apparatus (1), an assembly comprising the apparatus, and a method of using the assembly, wherein the apparatus comprises a locking device (20) comprising at least one latch element (22) for engaging the releasable coupling device (50) when connected to the apparatus (1), the locking device (20) being movable by means of a trigger element (30) between a locking first position, and a releasing second position wherein the releasable locking device is released from the apparatus.

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.

An object of the present disclosure is to enable collection of information indicating a state of an underwater structure, and thereby improve the efficiency and reliability of an above-water system including above-water and underwater structures connected to each other. The present disclosure is a control system configured to: collect a strain distribution of an underwater structure connected to an above-water structure; and control at least one of the underwater structure and the above-water structure in accordance with the strain distribution.

To provide a method for maintenance of a wind turbine supported by an offshore structure.SOLUTION: A structure (2) comprises a wind turbine (20) and at least one vertical shaft (4). A method comprises using an auxiliary floating system (1). The auxiliary floating system (1) comprises at least one floating element (5) that remains partially submerged as a result of maintenance work for the offshore structure (2), at least one connecting structure (7) that is connected to the structure (2) keeping the system (1) floating, a contact element, and a fastening element. The fastening element is fixed to the connecting structure (7), which is intended to rigidly connect the system (1) to the shaft (4). To gain an advantage, with the rigid connection, the maintenance work for the offshore structure (2) can be carried out in an efficient and safe manner for the sake of a maintenance worker and the system involved in the work.SELECTED DRAWING: Figure 4

An anchoring device for anchoring a floating object to an anchor structure, including a first attachment for being constrained to the floating object; a second attachment for being constrained to the anchor structure; a damping member for damping the relative motion between the attachments for securing the first attachment to the second attachment and including a sliding chamber, a piston for sliding in the sliding chamber according to a relative motion between the attachments and a damper for damping the sliding of the piston in the sliding chamber; and a control unit including a measurement sensor for measuring the sliding of the piston; and a control board for varying the damping of the damper according to the sliding of the piston detected by the measurement sensor.

The quick connector coupling an offshore floating structure to a pre-laid mooring system comprises a base structure (6) coupled to an upper body (2) of the offshore floating structure, a mooring interface (13) attached to a lower body (3) of the pre-laid mooring system, and a locking mechanism comprising a grooved surface (16) formed in the mooring interface (13), locking claws (10) movably mounted on the base structure (6), and a fluid-dynamic device associated to the base structure (6) and operatively connected to move the locking claws (10) between a release position in which the locking claws (10) are withdrawn from the grooved surface (16) of the mooring interface (13) and a lock position in which the locking claws (10) are meshed with the grooved surface (16) of the mooring interface (13).

The purpose of the present disclosure is to set the initial information of the anchoring object (target) of a ship with high accuracy. A ship navigation assistance device according to the present disclosure includes a provisional initial information setting module, a measurement module and a processing module. The provisional initial information setting module may accept a specification of provisional initial information for characteristic information on an object to which a ship anchors or docks (docks to a pier). The measurement module may acquire measurement information on an object using a ranging result of an area including the object.

The present invention relates to a floating intervention vessel, an associated intervention assembly, and a facility intended for temporarily mooring itself on an offshore wind turbine platform. The vessel comprises a float (80) and a wind turbine intervention assembly carried by the float (80). The float (80) comprises a buoyant body (86) and a fastening base plate (88) protruding from the buoyant body (86) along a fastening axis (A-A') on the underside of the offshore wind turbine platform. The buoyant body (86) defines a ballast receiving volume. The vessel comprises a ballast controller configured to control the amount of ballast received in the ballast receiving volume to raise an upper contact surface (94) of the base plate (88) and place the upper contact surface (94) in contact with the underside of the offshore wind turbine platform. The float (80) is monohulled.