52results about "Anchors" patented technology

Water buoys sense water characteristics and wirelessly transfer the water characteristics for delivery to a computer system. The computer system receives the water characteristics wirelessly transferred by the water buoys. The computer system receives a location and a user water condition preference transferred by a user communication device. The computer system processes the water characteristics, the location, and the user water condition preference, and in response, generates and transfers water condition information for the location for delivery to the user communication device.

An anchorage position determining system comprising a memory comprising topographic data comprising at least depth data, a chartplotter for displaying a chart including at least part of the chart data, a satellite-based positioning system for determining the position of the marine vessel, at least one surface object detecting system for detecting any surface objects including any other marine vessel(s) at anchorage and a controller configured to cooperate with the at least one surface object detecting system for determining respective positions of the detected surface objects and to determine and to indicate on the chart any suitable anchorage position(s) by determining whether a scope ratio equal to or greater than a minimum threshold value is obtainable based on the depth data and the position of the detected surface objects. A marine vessel comprising the anchorage position determining system and a respective method of determining an anchorage position are herein also disclosed.

The invention provides a mooring method that allows for easy installation of floating structures regardless of whether they are in shallow waters or offshore, requires a small area of ​​sea, and utilizes this mooring method to provide an offshore wave power generation device that is highly efficient, does not flood even when subjected to tsunamis or high waves, and takes into consideration the impact on the ecosystem. [Solution] A cable connecting a weight on the seabed to a floating body, and a weight and cable for pulling the cable taut, are installed on the floating body. These cables are wound onto drums, and the two drums are connected by a mechanism so that the weight on the seabed and the weight on the floating body pull on each other. Furthermore, by incorporating differential gears, a ratchet mechanism, and a torque limiter into the mechanism connecting the drums, the floating structure is designed to prevent flooding even if the sea level rises or falls more than expected. A wave power generation device is also installed, which generates electricity from the rotation of the drums connected to the cable as the floating body rises due to buoyancy and pulls against the weight on the seabed.

The application provides a floating body anchor pile steel wire rope automatic adjusting system and method. The adjusting system comprises a floating body square matrix, an anchor pile fixed on the water bottom and an anchoring steel wire rope connecting the floating body square matrix and the anchor pile, further comprises a displacement sensor installed on the floating body square matrix, a tension sensor installed on the anchoring steel wire rope, an electric winding mechanism for controlling the anchoring steel wire rope and a controller; the signal output ends of the displacement sensor and the tension sensor are connected with the signal input end of the controller, and the signal output end of the controller is connected with the control end of the electric winding mechanism; by presetting the partition tension threshold value, the anchor block adaptation coefficient and the storm mode parameters, the tension and water level data are collected in real time, and after the terrain compensation algorithm processing, the rope length is automatically adjusted. The application is suitable for ±3m water level fluctuation and 0-50m / s wind speed, does not need to transform the existing structure, significantly improves the anchoring stability, reliability and operation and maintenance efficiency, and reduces the labor cost and safety hidden danger.

Nautical anchor comprising three flat pieces, consisting of a penetration nail (2), a positioning clamp (3) and a supporting arm (4), which have a configuration that allows, quickly, easily, and without the need for the use of tools for it, the mutual coupling of the same, being firmly joined and arranged symmetrically with respect to a central vertical longitudinal plane (p) and facing each other, in their working position, so that the nail (2) and the arm (4) are completely perpendicular to each other, the nail (2) being located in a horizontal plane and the arm (4) in a longitudinal vertical plane, while the clamp (3) is located in an inclined vertical plane, facing transversely to the arm (4) and forming an angle (a) greater than 90° with respect to the nail (2). Preferably, the nautical anchor further comprises the inclusion of a fixing means (5) that is fastened by a pin (6) in a hole (40) of the rear end (41) of the supporting arm (4), to ensure the union between it and the positioning clamp (3).

In a general aspect, torpedo anchors are described for securing structures to an underwater floor. The torpedo anchors include a cylindrical body and a plurality of fins. The cylindrical body has first and second ends and an exterior cylindrical surface. The plurality of fins are disposed proximate the second end and extend outward from the exterior cylindrical surface. The cylindrical body is formed of cementitious material, and each of the plurality of fins is formed at least in part of cementitious material. In some variations, the first and second ends of the cylindrical body are, respectively, nose and tail ends of the cylindrical body. Moreover, the exterior cylindrical surface tapers into a tip at the nose end, and the tip is configured to penetrate an underwater floor.

A mooring line (200) comprising a first section (210) for being in an inverse catenary shape under the seabed (20) when installed is disclosed. The mooring line (200) comprises one or more plates (300) connected to the first section (210) of the mooring line (200), the one or more plates (300) comprise a surface area (310) configured for providing a resisting force in a direction perpendicular to the mooring line (200) for keeping the first section (210) in the inverse catenary shape when axial pulling force is applied to the mooring line. A mooring system for an offshore structure (10) is disclosed. The system comprises an anchor member (100) at least partly embedded in the seabed (20) and the mooring line (200). The mooring line (200) further comprises a second section (220) for being subsea, the mooring line (200) extending from the offshore structure (10) to a part of the anchor member (100) embedded in the seabed (20), wherein the one or more plates (300) are connected under the seabed to the first section (210) of the mooring line (200) and are configured to keep the mooring line (200) in an inverse catenary shape.

A subsea anchor pile comprises: upper and lower parts joined end-to-end; a pile chain disposed within and extending along the upper part; and a support that holds an upper end of the pile chain accessible for connection from outside the anchor pile. The support is a buoyancy module attached to the pile chain, an upper support that engages the pile chain, and / or a matrix that embeds the pile chain in a frangible body or a particulate mass. A subsea foundation is installed by: supporting the pile chain upright within the anchor pile to allow access from the seabed for connection to the upper end of the pile chain; connecting a chain of a mooring line to the upper end of the pile chain; and pulling the mooring line to pull the pile chain laterally away from or out of the anchor pile and into engagement with the adjacent seabed soil.

A method of temporarily anchoring a mobile offshore drilling unit (MODU) at an offshore drilling site includes laying out anchoring assemblies at a sea floor. Each anchoring assembly has a connection unit adjacent to the drilling site, an anchor line extending away therefrom, and a sea floor anchor. The MODU is brought to the drilling site. Successively, for each connection unit, a dynamic positioning system at the MODU is operated to move the MODU to a position substantially vertically above the connection unit, a drilling unit anchor line having a connection member is lowered from the MODU to engage the connection unit, and the drilling unit anchor line is connected with the respective anchoring assembly via the connection unit and the connection member. Each drilling unit anchor line is tensioned from the MODU to anchor the MODU at the drilling site via the plurality of anchoring assemblies.

A water buoy data system stabilizes an offshore vessel. Water buoys sense wind characteristics and water characteristics at a location of the vessel. The water buoys wirelessly transfer data messages that indicate the wind characteristics and water characteristics at the location of the vessel for delivery to a computer system. The computer system receives the data messages wirelessly transferred by the water buoys that indicate the wind characteristics and the water characteristics at the location of the vessel. The computer system determines wave forces based on the wind characteristics and the water characteristics at the location of the vessel. The computer system indicates the wave forces to control vessel engine thrusters to counter the wave forces and stabilize the vessel.

This utility model relates to the field of offshore facility fixing technology, and in particular, to a seabed anchor. To solve the technical problem of low production efficiency in existing technologies, this utility model provides a seabed anchor. To achieve the above technical objective, the technical solution adopted by this utility model is as follows: a seabed anchor includes a settling block with several fixing rings on it. The anchor is characterized by having a recessed cavity extending into the interior of the settling block at its bottom, and a through hole communicating with the recessed cavity at its top. Impacting the anchor through the through hole eliminates the need for traditional piling operations, significantly reducing operating costs.

A mooring line 200 comprises a first section (210, Fig 1) for being in an inverse catenary shape under the seabed 20 when installed is disclosed. The mooring line comprises one or more plates 300 conn

A device 1 for fixing to the seabed 8, -A hollow cylinder 2, -Open upper base 3, - An open lower base 4 configured to be embedded in the seabed, -A hollow cylinder 2 comprising a peripheral wall 5 having an inner surface and an outer surface, - An internal reinforcing structure 6 is attached to the inner surface of the hollow cylinder and extends axially within the cylinder between the lower base and the upper base of the cylinder, - Apparatus 1 comprising an anchor chain fastening means 9 firmly connected to a hollow cylinder.

In a water buoy, a power system generates electrical energy from water kinetics and transfers the electrical energy to a sensor array, processing circuitry, and communication interface. In the water buoy, the sensor array detects buoy locations, water velocities, water velocity directions, and wind speeds. In the water buoy, the processing circuitry aggregates the detected buoy locations, the detected water velocities, the detected water velocity directions, and the detected wind speeds into data messages. In the water buoy, the communication interface wirelessly transfers the data messages for delivery to a computer system.

This disclosure relates to a floating work device and system. The floating work device is used for the maintenance of floating photovoltaic modules. The device includes: a float for generating buoyancy in the water; a support platform installed on the upper side of the float; a fence located at the outer perimeter of the support platform; and multiple ground anchors movable along the height direction and installed on the outside of the fence to secure the device when it moves downwards to insert into the waterbed. The float provides buoyancy to keep the support platform afloat on the water surface. The support platform provides a flat working space for workers, facilitating the placement of relevant work tools (e.g., ladders). When the device moves to the work site, the multiple ground anchors can be moved downwards relative to the fence to insert into the waterbed, thereby securing the device and preventing it from swaying or moving during worker operations, reducing the difficulty and risk of the operation.

This invention discloses an underwater anti-fouling and noise reduction device, comprising a functional main body and a fixation component. The functional main body includes a curtain, a sediment treatment component, and a bubble generating device. The curtain includes a vertical baffle layer and perforated layers and noise reduction layers located on both sides thereof, with the perforated layers and baffle layers enclosing a first chamber. The sediment treatment component includes a feeding mechanism, a settling aid mechanism, and a silt removal mechanism. The feeding mechanism feeds flocculant into the first chamber, the settling aid mechanism has a first movable component with a pressure-balancing channel to apply downward thrust to sediment clumps, and the silt removal mechanism is located at the bottom of the first chamber to discharge sediment clumps. The bubble generating device is located at the top of the curtain to form a bubble curtain. The fixation component includes a propulsion mechanism for balancing the attitude of the functional main body and a counterweight and anchor located at the bottom of the functional main body. The device has a simple and reasonable structure, can achieve stable and precise structural coordination in an underwater environment, and has good anti-fouling and noise reduction effects.

An expandable drift sock system includes an expandable drift sock having a plurality of expansion sections configured around the circumference of the cylindrical sleeve, each having a first and second expansion portion detachably attached to each other by a section coupler. The first and second expansion portions each have an outer extension and fold portion that folds back to join with an inner extension that extends between the fold portions of the first and second expansion portions. Flaps are configured to fold over each expansion portion to hold the expansion portion in a folded configuration and to prevent water from flowing in between the folds that may produce force the stowed expansion portion to open.

The present invention relates to a segmented gravity anchoring device (1) for marine structures, comprising a main body (100) in the form of a hollowed solid column, a plurality of solid segments (20), wherein each of the plurality of solid segments has a through-hole (5), a lower securing segment (60, 70), wherein the lower securing segment (60, 70) has a through-hole (6) and an orifice (7), a mooring line (30), wherein the mooring line (30) is inserted into the through-hole (5) of the plurality of solid segments (20) and into the orifice (7) of the lower securing segment (60, 70), and a pin (40), wherein the pin (40) is inserted into the through-hole (6) of the lower securing segment (60, 70) and wherein the pin (40) is connected to the mooring line (30). The assembly of the anchoring device (1) segmented in blocks makes it possible to adjust the length, and consequently the load capacity on board the installation vessel, by removing or adding blocks. The blocks are only subjected to compressive forces, which allows the use of lower-cost materials such as cast iron and high-density concrete for manufacturing same. The result meets the requirements necessary for anchors intended for foundations of offshore or subsea structures, from exploration or production platforms and floating wind turbines to production lines, risers and umbilicals, inter alia.

This invention provides a gravity-based multi-tension-leg floating wind turbine platform, comprising: a wind turbine and its tower, a buoyancy chamber, a tensioning mooring system, and a gravity foundation. The wind turbine and its tower are mounted on top of the buoyancy chamber; the buoyancy chamber is connected to the gravity foundation arranged on the seabed via the tensioning mooring system to form a tension leg restraint system. The tensioning mooring system, by significantly increasing the number and rationally distributing the cables, distributes the platform's tension under the influence of wind, waves, and currents among more tensioning components, thereby reducing the tensile force and fatigue load requirements of a single tensioning mooring member and its end connecting components, and reducing the engineering implementation difficulty caused by excessive stress on the tension legs. The gravity foundation is fixed to the seabed by its own weight, eliminating the need for piling operations required for traditional tension-leg platforms, significantly reducing the difficulty and cost of offshore construction.

Described herein are examples of stiffening shafts, which in some cases are adapted to couple to a marine vessel. An exemplary stiffening shaft can be used to extend a motor from the marine vessel or be used as a shallow water stick anchor. The exemplary stiffening shafts can include a plurality of linked vertebrae (300) stacked to form a column and at least one inelastic tension element (314) threaded longitudinally through the plurality of vertebrae. The shaft can have a flexible configuration when the at least one tension element is released and a stiffened linear configuration when the tension element is tensed to react to torque and bending moments. Alternatively, the stiffening shaft can be used as a shallow water stick anchor for a marine vessel by piercing the bottom of a marine environment (e.g., a sea bed, a lake bed, a river bed, etc.).

Anchor (mooring) system The present invention relates to an anchor including an anchor pile that is embedded in a first lower portion of a borehole. The present invention relates to a system of anchor piles. The anchor pile comprises a first rod-shaped member having an upper end and a lower end. The anchor system comprises a body. The anchor system is provided with a member for dissipating horizontal loads. A second upper portion of the hole is provided at a distance from the upper end of the first rod-shaped body of the anchor pile. The horizontal load is applied to the structure when it is in use. A second rod-shaped body having an upper end connected to the tether and an opposing lower end. The anchor system further comprises an intermediate section for providing an alternative horizontal load relief. The lower end of the second rod-shaped body of the member is connected to the upper end of the first rod-shaped body of the anchor pile. The second rod-shaped body of the member for discharging horizontal loads extends between its upper and lower ends. a side portion adapted to contact a wall portion around the second upper portion of the bore wall in use; This creates a hoop stress without penetrating into the second upper portion of the hole wall.

The present application relates to the technical field of ocean engineering foundation recovery, and particularly relates to a split type suction anchor recovery device and method. The device comprises a counterforce anchor, a support structure, a primary centering device, a secondary centering device and a lifting mechanism. The counterforce anchor is arranged in the seabed to provide a recovery counterforce. The primary centering device is used for rough positioning in a plane, and the secondary centering device is used for fine adjustment of a lifting point. The lifting mechanism is used for connecting and lifting the anchor body to be recovered. Force information of the anchor body is obtained through a positioning rope and a tension sensor, spatial state recognition is realized, and the position of the lifting point is adjusted during the recovery process, so that the lifting point is kept on the extension line of the anchor body axis. The present application can reduce the lifting load and construction cost, and improve the recovery safety and efficiency.

This application aims to provide a gravity-compensated constant tension anchoring system and its usage method, including a floating platform and a gravity anchor arranged on the seabed, a fixed guide on the floating platform and a movable guide below it, and a counterweight connected to the movable guide. One end of the main cable is connected to the gravity anchor, and the other end is wound around the fixed guide and the movable guide in sequence before being fixed to a connecting seat on the buoyancy platform. In this scheme, the main cable forms a redundant adaptive adjustment length after being wound. Regardless of the rise and fall of the water level, the gravity of the counterweight acts on the movable guide in real time, so that the main cable always maintains a constant tension. The buoyancy platform rises and falls smoothly with the water level. Adaptive adjustment can be achieved without additional power and control. The entire application adopts a purely mechanical structure, which has the characteristics of no energy consumption, no maintenance and high reliability. Its usage method is simple and convenient to operate.

A refillable ballast anchor vessel and, more particularly, but not exclusively, a refillable ballast anchor vessel filled by the user with available ballast and connected by an anchor line to a floating object.

The present invention relates to a multiple-point anchor eye (1) for torpedo piles, said eye (1) comprising a plurality of anchor points (3a, 3b, 3c), a swivel connection to the body of the torpedo pile (100a), a self-adjusting orientation, wherein the geometry of the eye allows the application of loads from horizontal 0° to vertical 90° at all anchor points (3a, 3b, 3c), a locking mechanism (2) and wherein the eye (1) is mounted on the top of a torpedo pile (100a).

A portable marine anchoring device maximizes holding capacity while anchored into a body of water and a portable fender capable of being securely fastened to a vessel to prevent it from being dislodged over time.

A refillable ballast anchor vessel and, more particularly, but not exclusively, a refillable ballast anchor vessel filled by the user with available ballast and connected by an anchor line to a floating object.

This invention provides a separate type offshore plant jacking system that prevents interference between the jacking device and the separated legs. [Solution] The lower unit yoke module and the upper unit yoke module include a jacking pin that is inserted into a pinhole while moving inward by a first actuator or disengaged from a pinhole while moving outward, a yoke frame that is arc-shaped when planar and has the first actuator and jacking pin in its center, and a side coupling flange that is plate-shaped and integral with the yoke frame so as to cover both ends of the yoke frame while protruding at least outward from both ends of the yoke frame, one side coupling flange integral with one end of one yoke frame, and another side coupling flange that abuts with one side coupling flange on another yoke frame arranged adjacent to one yoke frame are formed with a projection groove structure that locks vertically on mutually opposing surfaces.

This utility model relates to the field of marine engineering, and particularly to a combined suction anchor reinforced with a grouting helical anchor. It includes a first column, a second column with a helical groove, and a helical block. The first column has an internal hollow groove design, into which the second column is inserted. The outer wall of the second column has a helical block with a helical design and an elastic mechanism. The outer wall of the first column has a helical groove, and the upper end of the first column has a connection port. This device, through the insertion and combination of the first and second columns and the pre-contraction state of the helical block controlled by air pressure, reliably ejects the helical block and engages with the helical groove, instantly forming a powerful external helical anchoring structure. This improves operational efficiency and solves the problems of low installation efficiency, insufficient anchoring force, and difficulty in adapting to complex seabed geological conditions in existing seabed foundation construction devices.