321results about "Anchors" patented technology

The application provides a torpedo anchor and a use method thereof, and relates to the technical field of anchoring equipment. The torpedo anchor comprises an anchor body, an anchor head, an inflatable air bag and an electric control igniter. The anchor body comprises a plurality of sub-anchor bodies which are sequentially nested. The top plates of any two sub-anchor bodies nested with each other have an accommodating space therebetween. The anchor head is fixedly connected with the bottom of the innermost sub-anchor body. The inflatable air bag is used for placing an explosive agent. The accommodating space is provided with the inflatable air bag. The electric control igniter is used for igniting the explosive agent. The length of the torpedo anchor after penetrating into the stratum is lengthened by using the air bag inflation impact method, so as to increase the contact area and friction force of the torpedo anchor and the stratum, and significantly improve the pullout bearing capacity of the torpedo anchor. The cooperation structure of each sub-anchor body in the application is simple and has high stability, and does not need a complex mechanical structure. Therefore, the torpedo anchor still has good stability on the premise of realizing the stretching of the torpedo anchor in the bottom layer.

A floating power-generation group comprises a floating hub such as a spar buoy that is anchored to subsea foundations by anchor lines. Floating power producer units such as wind turbines are connected electrically and mechanically to the hub. The power producer units are each moored by mooring lines. At least one mooring line extends inwardly toward the hub to effect mechanical connection to the hub and at least one other mooring line extends outwardly toward a subsea foundation. The groups are combined as a set whose hubs are connected electrically to each other via subsea energy storage units. Anchor lines of different groups can share subsea foundations. The storage units comprise pumping machinery to expel water from an elongate storage volume and generating machinery to generate electricity from a flow of water entering the storage volume. The pumping machinery can be in deeper water than the generating machinery.

The invention discloses an offshore photovoltaic platform anchoring system, which relates to the field of offshore photovoltaic technology and comprises an anchoring foundation and a mooring traction piece, an anchor block assembly of the anchoring foundation comprises at least two separable anchor block pieces, a plurality of connecting pieces are arranged on the anchor block pieces, and the at least two anchor block pieces are fixed to a base assembly through a fixing assembly. The mooring traction piece is connected with the anchor block pieces and the floating photovoltaic platform and comprises an elastic cable section, a non-elastic cable section and a connecting section which are sequentially connected, the elastic cable section comprises a main elastic piece and a redundant limiting piece connected with the main elastic piece in parallel, and a balance weight piece is arranged at the joint of the elastic cable section and the non-elastic cable section; and the inelastic cable section comprises a protective sleeve. According to the gravity anchor, the split anchoring foundation and the mooring traction piece designed in a segmented mode are adopted, the transportation and construction convenience of the gravity anchor is improved, and meanwhile the durability and reliability of the cable can be guaranteed.

The invention discloses a separated type double-head torpedo anchor device and an operation method thereof. The device comprises an anchor rod, a first anchor head movably arranged in an inner cavity of the anchor rod, a second anchor head located below the first anchor head and an anchor chain connected between the first anchor head and the second anchor head. Wherein the second anchor head is detachably installed at the bottom of the anchor rod through a connecting limiting assembly and can be separated from the anchor rod under the reaction force of a seabed soil layer and the external upward pulling force effect after the torpedo anchor is inserted into the seabed soil layer. After the torpedo anchor penetrates into a soil body, the mooring anchor chain is vertically pulled to enable the anchor rod to be separated from the second anchor head, a gap generated in the middle can be covered with silt, and the vertical pulling resistance of the torpedo anchor is greatly improved; through the cooperation effect of the water flowing channel and the tail rotor assembly, water flow drives the tail rotor assembly to rotate in the falling process of the torpedo anchor, the torpedo anchor can be controlled to keep the vertical falling posture, the angle of the torpedo anchor penetrating into the seabed soil layer is close to be vertical, and the horizontal tensile moment of the torpedo anchor can be further increased.

The invention discloses a plate anchor based on telescopic fins. The plate anchor comprises a plate anchor shell, a plurality of fins, a driven gear, a meshing pinion, a transmission rod piece and a power module. The plate anchor shell comprises two circular sheets of which the centers are fixedly connected; the fins are the same in shape and composed of fan-shaped faces and arc faces, and cavities are formed in the fins. One end of the fixing rod is fixedly connected with the cambered surface, and the other end of the fixing rod is provided with a limiting block; arc-shaped guide grooves with the same number as the fins are formed in the driven gear; the transmission rod piece is provided with a plurality of branches, and a cavity is formed in each branch to insert the fixing rod. One of the branches is a fan-shaped branch, and a meshing pinion and a power module are mounted at the top end of the fan-shaped branch; the power module provides power for the meshing pinion; the meshing pinion is meshed with the driven gear, and the limiting stopper slides along the guide groove along with rotation of the driven gear, so that the fixing rod on the wing panel moves in the direction away from the circle center, and extension of the wing panel is achieved. The anchoring performance of the plate anchor is improved, and the structural reliability is high.

A system for controlling a marine vessel comprises an input device for inputting an operator command, a sensor which senses and signals an engine function variable or a vessel dynamic variable, and a first structural element and a second structural element. The first structural element and the second structural element each control speed or direction of motion of the marine vessel, and the first structural element and the second structural element each affect the marine vessel dynamic variable. There is a controller which receives the operator command and the engine function variable or the vessel dynamic variable. The controller moves the first structural element and the second structural element based on the engine function variable or the vessel dynamic variable, after receiving the single operator command.

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 application discloses a marine floating photovoltaic bionic anchoring foundation, which comprises a hollow pile body and a plurality of anti-pulling bionic roots, wherein a plurality of bionic root guide pipes are vertically arranged on the inner wall of the upper part of the pile body in the circumferential direction, the bionic root guide pipes are communicated with the outside of the pile body through bionic root guide outlets arranged in the middle part of the pile body, and the anti-pulling bionic roots are arranged in the corresponding bionic root guide pipes; the bottom of the bionic root guide pipe is formed with an end limiting wedge; the anti-pulling bionic root can be pushed downward along the bionic root guide pipe under the action of external force, and is turned and stretched out from the bionic root guide outlet under the action of the end limiting wedge, and then is inserted into the weak part of the soil body, and then the anti-pulling force is generated through jet grouting solidification. The application greatly improves the anti-pulling capacity of the whole photovoltaic bionic anchoring foundation, has high pile body stability, low construction cost and is friendly to the environment.

The utility model belongs to the technical field of ocean engineering equipment, and particularly relates to an operation platform. The working platform comprises a first platform, and the first platform comprises a main body provided with at least one mounting hole penetrating through the main body; the at least one supporting piece corresponds to the at least one mounting hole in a one-to-one mode, the supporting piece is arranged in the corresponding mounting hole in a penetrating mode, and at least three first piling holes penetrating through the supporting piece are formed in the supporting piece; and the at least three settling piles correspond to the at least three first piling holes in a one-to-one mode, and the settling piles are arranged in the corresponding first piling holes in a penetrating mode.

A releasable marine anchor (1, 101, 201, 301, 401, 501, 601, 801) is disclosed which has a shank (3, 30, 203, 403, 503, 603, 803) having two ends. One end of the shank has an anchor line connected thereto and the other end of the shank has at least one seabed (25) engaging fluke (2, 102, 202, 302, 602. 802) pivotally connected thereto by an over centre toggle mechanism. The fluke(s) have an angle of attack relative to the shank which is changeable from an acute anchoring angle of attack to an obtuse release angle of attack by actuation of the over centre toggle mechanism by action of said anchor line acting on the shank.

A floating power-generation group comprises a floating hub such as a spar buoy that is anchored to subsea foundations by anchor lines. Floating power producer units such as wind turbines are connected electrically and mechanically to the hub. The power producer units are each moored by mooring lines. At least one mooring line extends inwardly toward the hub to effect mechanical connection to the hub and at least one other mooring line extends outwardly toward a subsea foundation. The groups are combined as a set whose hubs are connected electrically to each other via subsea energy storage units. Anchor lines of different groups can share subsea foundations. The storage units comprise pumping machinery to expel water from an elongate storage volume and generating machinery to generate electricity from a flow of water entering the storage volume. The pumping machinery can be in deeper water than the generating machinery.

The invention discloses an anchor system laying device and method, a holding power anchor and a gravity anchor can enter water in sequence through a crane and a crane, the anchor system laying device comprises a winch, a ground command, the crane and the crane, the winch is arranged on a deck of a workboat, the winch is provided with a mooring rope, and the mooring rope can be wound on the winch; the ground wire is arranged on a deck of the workboat; the crane is arranged on a deck of the workboat and provided with a first pulley, and the mooring rope bypasses the first pulley to be connected with the gravity anchor. The crane is provided with a second pulley, a traction rope is wound on the second pulley, the traction rope penetrates through a lifting ring of the holding anchor and is connected to the ground wire, and the second pulley can pull the holding anchor through the traction rope; the crane is arranged on a deck of the workboat, provided with a lifting hook and capable of being connected with the gravity anchor through the lifting hook so as to adjust the position of the gravity anchor.

The invention discloses marine ecological environment detection equipment, belongs to the technical field of marine monitoring, and aims to solve the problems that an existing observation technology is high in cost and difficult to lay, and synchronous and refined monitoring of a water body profile and a seabed interface cannot be realized. The system is composed of a plurality of sets of water body profile detection units arranged in different areas. Each unit integrates three functional modules, wherein the water surface part generates power through a floating plate and a power generation assembly by utilizing wave energy and solar energy; the water body part realizes multi-level observation of the vertical section of the water body by virtue of a flexible protective pipe and a plurality of image sensors arranged along the line; the seabed part collects seabed interface temperature and image data through an anchor device and detection equipment carried by the anchor device. Wherein the anchor device adopts an innovative design capable of releasing weight, and filler is remotely emptied through the control module, so that convenient recovery is realized; the device has the advantages of low cost, modularization and easiness in laying and recycling, and multi-dimensional detection of a water body profile and a seabed interface can be realized.

In a general aspect, suction anchors are presented for securing structures to an underwater floor. The suction anchors include a tubular body formed at least in part of cementitious materials and having a closed end and an open end. The tubular body includes an edge defining an opening for the open end. The edge is configured to penetrate the underwater floor. The suction anchors also include a port configured to fluidly-couple a cavity within the tubular body to an exterior of the tubular body. The suction anchors additionally include a pad eye extending from an outer surface of the tubular body and configured to couple to a mooring line. In another aspect, methods of manufacturing the suction anchors are also presented.

The invention discloses a quick tie-back method for a three-stand-column floating type wind power mooring system. The quick tie-back method comprises the following processes of laying mooring cables in water, entering a foundation platform, tie-back of a first stand column mooring cable, tie-back of a second stand column mooring cable and a third stand column mooring cable and tensioning of the mooring cables. A floating body device is adopted, and a set of underwater mooring cables and connection between the set of underwater mooring cables and a set of upper anchor chains can be fixed at a time. By adopting the anchor chain lifting appliance, the lifting and tensioning of the upper section of anchor chain can be completed at one time. A crane ship is used for anchoring and positioning, and a DP crane ship is used for hoisting and tensioning an upper anchor chain. The three DP three-purpose ships are adopted for fishing and dragging the mooring line in water and completing connection with an upper anchor chain, tie-back of the mooring line can be rapidly and flexibly completed through cooperative operation of the crane ship, the DP crane ship and the DP three-purpose working ship, sufficient preparation time is reserved for later fan installation, and the mooring line can be rapidly and flexibly connected. And an efficient, safe and reliable construction scheme is provided for offshore wind power.

The invention discloses a power penetration plate anchor and a using method thereof. The power penetration plate anchor comprises a booster; the plurality of wing plates are fixed at the tail part of the booster along the circumferential direction; the hanging ring is fixed at the tail end of the booster; the rear portion of the ground breaking anchor head is connected to the front portion of the booster in a pivoted mode, and an anchor eye point is formed in the ground breaking anchor head; the two anchor plates are symmetrically pivoted to the two sides of the ground breaking anchor head; the cover plate can slide up and down along the surface of the booster, the cover plate is in a strip shape, the lower surfaces of the two sides of the cover plate are each provided with a boss to form a limiting groove, and when the two anchor plates are folded, the cover plate is used for limiting the tail ends of the anchor plates in the limiting grooves. Compared with a traditional power anchor, the bearing is mainly provided by the anchor plate, and higher bearing performance is achieved; the structure is simple, design and production are easy, transportation is convenient, and economical efficiency is high.

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.

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.

To provide a comfortable environment for drift fishing.SOLUTION: A pair of right and left resistance plate units 90L and 90R which can be individually driven are arranged at the stem. The magnitude of the resistance that the resistance plates 93 of the resistance plate units 90L and 90R receive from the water is a first magnitude at the first position (90°) and is a second magnitude smaller than the first magnitude at the second position (0°). The resistance plate 93 is controlled based on the wind speed WS and the absolute tidal current speed TV1.SELECTED DRAWING: Figure 4

A suction anchor has a skirt open at one end and closed at another end to define an interior volume. At least one conduit nested within or adjacent to the skirt, is open at one end and closed at another end to define an inner volume. A suction line is fluidly connected to the interior volume through a first valve. A second valve is fluidly connected between the inner volume and either the suction line or the interior volume. The first valve and the second valve are operable to cause water flow at respective selected rates along both the skirt and the conduit from a body of water when the interior volume and the inner volume are evacuated and the suction anchor is disposed on the bottom of a body of water.

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).

The application relates to a rotary sea anchor power generation device for a lifeboat, belonging to the field of ship and ocean engineering. The device comprises a generator assembly, a transmission assembly and a sea anchor assembly. The generator assembly is connected with the sea anchor assembly through the transmission assembly. The sea anchor assembly rotates around the shaft under the transverse component force of the sea current, drives the generator to rotate and generates power through the transmission assembly. The sea anchor assembly comprises a plurality of resistance gaps arranged in the circumferential direction of the sea anchor body. The transverse component force of the water flow in the sea anchor body is balanced by the resistance gaps, so that the transverse component force of the water flow all points to the side away from the gap, a torque is generated on the conical surface of the sea anchor body, and the sea anchor rotates. When the sea current passes through the large-diameter end of the sea anchor, the transverse component force of the sea current acting on the inner side of the sea anchor makes the sea anchor rotate in one direction around the central shaft, drives the connecting rod to rotate, and thus the generator rotates to generate power. The device enhances the fixing robustness of the sea anchor power generation system and generalizes the application scene of the system.

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 provides a flexible anchor group structure and a construction method thereof.The flexible anchor group structure comprises one or more unit anchor group structures, each unit anchor group structure comprises a plurality of gravity blocks, the gravity blocks are connected into a net-shaped structure through flexible cables, and each gravity block is located on a lattice point of the net-shaped structure; the net-shaped structure is provided with one or more connecting points capable of being connected with the connecting pieces, the connecting points are arranged on the gravity blocks or the flexible cables, and the multiple unit group anchor structures are connected to form a net-shaped row body. The method has the beneficial effects that based on the bearing performance principle of a gravity anchor, the bearing performance is improved by utilizing the characteristics of group anchors, so that the problems that an anchoring foundation is difficult to install and the bearing performance is insufficient under the batholith condition are solved; the device is simple in structure, convenient to install and good in bearing performance, the problems that an anchoring foundation is difficult to install and insufficient in bearing capacity under the batholith condition are solved, and a better benthic ecological environment is created by conducting ecological design such as ecological artificial fishing reef appearance design and ecological substratum brushing on the gravity blocks.

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 present application relates to the technical fields of marine equipment, and discloses a gravity anchor, which comprises an anchor body, a mounting cavity on the anchor body, an opening on the side wall of the anchor body, the opening being communicated with the mounting cavity, a lifting ring assembly arranged on the anchor body, an anchor plate assembly arranged on the bottom surface of the anchor body and extending downward, and a hook arm assembly accommodated in the mounting cavity, the hook arm assembly comprising a driving part and a hook arm, the power output end of the driving part being connected with the hook arm, the hook arm extending out of the opening, and the driving part being used for driving the hook arm to rotate to hook the seabed. The gravity anchor provided by the present application can not only be anchored by the weight of the anchor body itself, but also can increase the anti-translational capacity of the anchor body by embedding the anchor plate into the seabed and hooking the seabed by the hook arm assembly, so that the anchoring is safe and stable.

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).

The invention relates to a system (2) forming an anchor point for offshore wind turbine floats, comprising at least one containment enclosure (6) having an open bottom (8) and an open top (10), the containment enclosure being at least partially filled with a solid granular material (12) capable of withstanding shear with the seabed (4) on which the containment enclosure is intended to rest, the containment enclosure further comprising at least one attachment (14) for securing a mooring line (16) of the float.