178results about "Mooring equipment" patented technology

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.

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 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.

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.

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 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.

Method for transferring fluid between a first offshore assembly located in a body of water and an assembly floating on the body of water, assembly and associated installation. The method comprises the following steps: installation and mechanical tensioning of a plurality of mooring lines (70) between the offshore assembly (12) and the floating assembly (16), each mooring line (70) having an active length (76) under mechanical tension between a first point and a second point; fluid connection between a first capacity (22) and a second capacity (44) via a fluid transfer system (64), and fluid transfer between the first capacity (22) and the second capacity (44); continuous measurement of the mechanical tension applied over the active length (76) of at least one mooring line (70);control, by a control system (62) of the active length (76) of at least one mooring line (70), to maintain the mechanical tension applied to at least one mooring line (70) within a predefined mechanical tension range. Figure for the abbreviation: figure 1;

A mooring apparatus may allow for watercraft to be secured to a mooring structure. An example of a mooring apparatus includes a frame secured to a shell cover at a plurality of points, a plurality of rollers disposed within the frame, and a tension bar disposed within the frame and parallel to the plurality or rollers.

To provide a ship docking device that is highly reliable and stable, has a uniform suction force distribution, and exhibits strong adaptive adjustability. [Solution] The stabilization mechanism includes a support base to which a guide rail is attached on the front, the guide rail having at least one stabilization mechanism attached to each end of the stabilization mechanism, the suction mechanism including a fixed plate and a connecting plate, the connecting plate being provided with a buffer base and a main suction plate in order, the fixed plate being symmetrically hinged to both ends of a hydraulic cylinder, the hydraulic cylinder being hinged to a reset plate, the reset plate being provided with a buffer base and an auxiliary suction plate, the stabilization mechanism including a balance plate rotatably connected to a stabilization frame, the open ends of a hydraulic damper, a reset spring, and a grooved link being rotatably connected to the balance plate inside the stabilization frame, the closed end of the grooved link being connected to the stabilization frame, a groove being made in the bottom of the stabilization frame, and a gear being provided above the groove.

The deployment device comprises a main body portion including a platform engagement portion, the platform engagement portion being configured to engage securely with a corresponding portion of an offshore renewable energy system platform, and a mooring tension member coupled to the main body portion, wherein the platform engagement portion is further configured to disengage from a corresponding portion of the platform, and further, when the platform engagement portion is engaged with a corresponding portion of the platform, the mooring tension member is configured to apply tension to at least one mooring line of the offshore renewable energy system platform along a plane substantially perpendicular to the base portion of the platform, and under the tension, the main body portion is configured to move with respect to at least one mooring line from a first non-deployed position to a second deployed position.

A removable mooring system for an offshore semi-submersible floating structure. The removable buoy has several mooring lines with 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, the third connection being configured to pull the mooring connector to a mooring point of the structure. In a first configuration, the buoy is detached and supports the mooring chain which is retracted for recovery at shallow depths. In a second configuration, the mooring lines are retracted through the mooring connector, thereby providing a multi-point mooring of the structure with the buoy chain remaining as a catenary between the buoy and the mooring point.

The present disclosure falls within the area of nautical accessories, in particular accessories for retrieving anchors when they become stuck during anchoring. When, during anchoring, the anchor of a vessel gets stuck in some external element, such as rocks that may have moved and blocked the free action of the anchor, it is difficult to remove it, which in many cases leads to the vessel's owner being forced to cut the chain, only then being able to release the vessel. The described module (10) and system (100) ensure improved and efficient retrieval, by making it possible—with a single module (10) and under a mechanical action—to release a first connecting element (11).

This invention relates to the field of vibration reduction and control technology for offshore wind power structures, and discloses a vibration-damping and energy-dissipating anchor chain for floating offshore wind power structures and its usage method. The chain includes an anchor chain fixing ring installed on the tower body located on a floating platform; a vibration-damping assembly comprising several vibration-damping anchor heads and several flexible anchor chains, the tail ends of which are connected to the anchor chain fixing ring via the flexible anchor chains, and the head ends of which extend into the seabed foundation for anchoring and vibration-damping the tower; the floating platform is connected to a suction cylinder foundation within the seabed foundation via the flexible anchor chains; and an energy-dissipating assembly comprising several anchor chain energy-dissipating components installed on the flexible anchor chains for vibration-damping and energy dissipation. This invention features flexible arrangement, adjustability, and controllability, achieving vibration reduction and energy dissipation for floating offshore wind power structures, thereby extending the service life of offshore wind power structures.

The invention discloses an unmanned ship auxiliary mooring device which comprises an end auxiliary module, the end auxiliary module comprises a first driving motor, a locking unit, a rotating arm and an electromagnetic chuck, the first driving motor is fixedly installed on a ship body, and the locking unit comprises a locking block used for stretching into a gear intertooth gap; the rotating arm is fixedly installed on an output shaft of the first driving motor, the output shaft is sleeved with a gear, and the electromagnetic chuck is rotatably installed at the end of the rotating arm; the side auxiliary module comprises a second driving motor, a swing arm and an opening piece, the second driving motor is fixedly installed on the ship body, the output end of the second driving motor is fixedly connected with the swing arm, the swing arm is rotatably installed on the opening piece, and a rubber surface layer is arranged on the surface of the opening piece. Compared with the prior art, the problem that the unmanned ship is prone to collision damage in the mooring process of approaching and making contact with a wharf is solved.

An embodiment of the present disclosure provides an anchoring apparatus including a windlass unit configured to heave an anchor chain, and a chain compressor including a main body part to which a support roller that supports the anchor chain is rotatably connected, a base part that connects the main body part to a vessel, and a position adjustment unit configured to adjust a position of the main body part on the base part, wherein the windlass unit and the main body part are arranged on the base part.

Provided herein is method for transferring fluid between a first offshore assembly located in a body of water and an assembly floating on the body of water, associated assembly and facility. The method includes the following steps: installing and mechanical tensioning of a plurality of mooring lines between the offshore assembly and the floating assembly, each mooring line having an active length under mechanical tension between a first point and a second point; fluidic connection between a first capacity and a second capacity via a fluid transfer system, and transfer of fluid between the first capacity and the second capacity; continuous measurement of the mechanical tension applied to the active length of at least one mooring line; and control of the active length of the at least one mooring line by a controller, to keep the mechanical tension applied to the at least one mooring line within a preset mechanical tension interval.

In some embodiments, a monitoring system may include an enclosure defining a void. The enclosure may be configured to be mounted to a floating vessel. The monitoring system may also include a camera system disposed within the void and coupled to the enclosure. The camera system may be configured to transmit a video feed of an anchor chain to at least a first computing device. The first computing device may be configured to analyze the video feed to determine a drag risk score with a computer vision model based at least in part on an angle of the anchor chain. The first computing device may be configured to determine a collision risk score. Other systems and methods are also disclosed.

To provide a tension monitoring system of a mooring rope capable of detecting a mooring post side tension of a mooring rope without using an elongation rate sensor.SOLUTION: A tension monitoring system 1 of a mooring rope according to one embodiment monitors the tension of a mooring rope 10 which is hung on at least one mooring hardware 22 on a hull 21 and the tip of which is moored to a mooring post 31 of a fixed structure 3. The tension monitoring system of the mooring rope includes a mooring machine 4 including a drum with the mooring rope 10 wrapped around it and a control device 9. The control device 9 calculates a drum side tension P of the mooring rope 10, determines a tension attenuation factor R due to the mooring rope 10 being spanned over at least one mooring hardware 22, and calculates the mooring post side tension P0 of the mooring rope 10 by multiplying the drum side tension P by the tension attenuation factor R, or by dividing the drum side tension P by the tension attenuation factor R.SELECTED DRAWING: Figure 1

A braking and locking module for a moveable fairlead on a floating vessel comprises a stopper plate to couple to a rotating support shaft in a position where an axis of the rotating support shaft is normal to the stopper plate, where the stopper plate includes one or more locking holes extending through the stopper plate, a braking unit comprising one or more braking pads and a braking actuator configured to move the braking pads into a braking position, a locking unit comprising a locking pin configured to pass through the stopper plate hole and a locking actuator configured to move the locking pin into a locked position; and a control unit configured to arrest a rotation of the moveable fairlead; and activating the locking actuator to fix a position of the moveable fairlead.

A pulley system for tying a boat to an anchor with a block and tackle assembly and a jammer. The block and tackle assembly has pulleys arranged on a first bracket and a second bracket and a rope strung through each of the pulleys. The jammer is coupled to the first bracket and has a channel and a jammer exit at the end of the channel. The jammer is configured to receive the rope within the channel and pass the rope out of the jammer exit. The channel and the jammer exit are configured to create a tortuous path for the rope through the first bracket. A swivel and a rope clip may be coupled to the block and tackle assembly. The swivel is configured to rotate at least 360 in either direction. The rope clip is configured to allow for quick tightening of the pulley system.

A computer system (100; 700) comprising processing circuitry (102; 702) configured to: obtain environment data (20) and monitor a snap-in docking distance (40) in relation to a fixed structure (10) based on the environment data (20); in response to the marine vessel (1) being outside the distance (40): control movement (22) of the marine vessel (1) based on a maneuvering request (24) and / or the environment data (20); and in response to the marine vessel (1) being within the distance (40): control the marine vessel (1) to move into physical engagement with the fixed structure (10); obtain force sensing data (25) indicating an engagement pressure between the marine vessel (1) and the fixed structure (10); and regulate a thrust force (60) in a direction towards said the fixed structure (10) based on said force sensing data (25) to control a desired engagement pressure.

The application belongs to the technical field of mooring system, and particularly relates to an energy storage and anchoring integrated system with intelligent decision function and a marine floating platform, which comprises a floating body, a traction device arranged on the floating body, a heavy block arranged below the floating body and connected with the traction device, a pulley connected with the floating body, a mooring chain wound on the pulley, and a position sensing device arranged on the floating body, one end of the mooring chain is anchored to the bottom of water, the other end of the mooring chain is connected with the heavy block, the traction device is used for driving the heavy block to ascend and descend, the position sensing device is in communication connection with the traction device, the position sensing device is used for detecting the displacement of the floating body relative to a preset position, and the traction device is controlled according to the displacement, when the displacement exceeds a preset value, the traction device drives the heavy block to descend, so that the mooring chain is kept in a tension state. The application can enhance the automatic adjustment capability of the energy storage and anchoring integrated system.

To provide a suction-type ropeless mooring device for a wharf that significantly reduces labor costs and risks of mooring operations and improves the efficiency of docking and undocking. The system includes a case, an adsorption module, a drive module, an energy absorption module, a transmission module, a power generation module, an energy storage module, a monitoring module, and an electrical control module. The adsorption module adsorbs the hull when the ship is berthed, and the drive module drives and controls the adsorption module. The energy absorption module transmits the kinetic energy of the ship when berthed to the transmission module, which converts it into electrical energy via the power generation module, stores it in the energy storage module, and provides it to the monitoring modules and electrical control modules. The electrical control module adjusts the adsorption module, drive module, and power generation module in real time using information provided by the monitoring modules, thereby stabilizing the ship's pitching motion when berthed.

A mooring system for mooring a floating vessel is disclosed. The mooring system includes a connector structure for attachment to a mooring line and an anchor structure to be anchored to the seabed. The anchor structure includes an open guide groove extending from an inlet region to a termination region and sized to accommodate at least said engagement portion of said connector structure. A longitudinal opening to the guide groove provides access to the mooring line connected to the attachment portion during connection and disconnection of the connector and anchor structure. Connection and disconnection can be controlled from the water surface.

An apparatus and technique for underwater storage and deployment of a fishing line and buoy includes a cylinder coupled to a fishing apparatus. A buoy is attached to a buoy line coupled to the fishing apparatus and the buoy line and buoy are stowed within the cylinder in a first position. A holding mechanism holds a top perimeter of the cylinder closed until intentionally released. Upon release of the holding mechanism, the buoy and buoy line escape the cylinder. The buoy then pulls the buoy line to the surface where the fishing apparatus can be recovered by the fisher.

The invention discloses a ship active mooring control method and system based on variable stiffness gain scheduling, and belongs to the technical field of ocean engineering and ship localization, and the method comprises the steps: collecting and obtaining ship six-degree-of-freedom motion data and mooring rope tension data in real time, and obtaining a system state set; filtering high-frequency wave interference and extracting a low-frequency drift motion component by using a signal preprocessing algorithm, and generating a control deviation signal relative to a preset target position; according to a comparison result of the control deviation signal and a preset dead zone threshold value, generating a real-time rigidity gain parameter through a gain scheduling strategy; according to the real-time rigidity gain parameter and the control deviation signal, a total control force demand is calculated in combination with a virtual damping mechanism; and according to the total control force requirement and the spatial geometric distribution of each mooring rope, target tension increment of the mooring rope is generated to drive the mooring winch to adjust the original length of the mooring rope, and active mooring control is achieved. Fatigue damage of the mooring system is effectively reduced, and low-frequency resonance is restrained.

【Problem】To set initial information of a target object of a ship with high accuracy. 【Solution】A ship navigation support device has a tentative initial information setting section, a measurement section, and a calculation section. The tentative initial information setting section accepts designation of tentative initial information of feature information of a target object of a ship. The measurement section obtains measurement information of the target object using ranging results of an area including the target object. The calculation section sets initial information of the feature information of the target object using the tentative initial information and the measurement information.

A mooring system 1 includes a first mooring component 2a and a second mooring component 2b. The first mooring component 2a includes a first end plate 4a, a second end plate 6a, and a first compressive