754results about "Anchoring arrangements" patented technology

The invention relates to the technical field of ocean engineering equipment, in particular to a marine organism cleaning floating ship used at a cold source water intake of a nuclear power station, which comprises a buoyancy platform, four hydraulic winches are mounted and connected on the buoyancy platform and are distributed at the left upper corner, the right upper corner, the left lower corner and the right lower corner of the buoyancy platform; the buoyancy platform is provided with a cleaning suction device used for cleaning marine organisms on the intercepting net, the buoyancy platform is further connected with a discharging pipeline with a downward outlet, the cleaning suction device is provided with a suction pipe, and the flow of the suction pipe can be changed. The cleaning suction device is further provided with a cleaning brush capable of washing marine organisms on the intercepting net, and the cleaning effect is better optimized.

The invention discloses a protective device for offshore power generation, which relates to the field of offshore energy equipment protection and comprises a multi-stage buffer anchor cable system, an annular cabin type floating body structure, a dynamic gravity center adjusting unit and an anti-resonance component. The multi-stage buffering anchor cable system is arranged in the circumferential direction of the floating body and comprises a main cable, an elastic buffering section, a damping adjusting section and a universal hinge joint. The annular cabin type floating body structure is provided with an inner cabin body, an outer annular cabin and a wave impact guide plate; the outer annular cabin is divided into an independent sealed cabin; the dynamic gravity center adjusting unit is arranged at the bottom of the inner cabin body, and the anti-resonance assembly is horizontally arranged in the outer annular cabin; according to the device, storm impact is attenuated through multi-stage buffering anchor cables, and buoyancy is optimized to resist waves through an annular cabin structure and a flow guide plate; the dynamic gravity center adjusting unit adjusts the balance weight in real time to counteract inclination of the floating body; the anti-resonance partition plate inhibits resonance, reduces structural abrasion, can adapt to complex sea conditions, guarantees stable operation of power generation equipment, prolongs the service life, and provides safety protection for offshore clean energy development.

A floating platform system can be provided to facilitate mounting of and for supporting a structure on a floating platform. For example, the floating platform system can include the floating platform. The floating platform system can also include a ballast receiving volume inside the floating platform for receiving a ballasting liquid. The floating platform system can further include a mounting surface on the floating platform for mounting a structure. Additionally, the floating platform can include a downwardly-oriented stabbing guide.

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

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

Offshore wind turbine systems and processes for installing same. The system can include a wind turbine generator that can include a plurality of blades connected thereto. The system can also include a first support arm and a second support arm each having a first end and a second end. The system can also include a support structure that can be configured to float on a surface of a body of water that can include first, second, and third columns. The first end of the first support arm and the first end of the second support arm can each support the wind turbine generator at an elevation above the support structure. The second end of the first support arm can be connected to and supported by the first column. The second end of the second support arm can be connected to and supported by the second column.

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

The invention belongs to the technical field of ocean new energy, and provides an anchor system multi-floating-body array wave flow motion response analysis method and system, and the technical scheme is that a joint simulation method of multi-body dynamics and computational fluid mechanics is adopted to carry out the comprehensive modeling and analysis of a mooring type multi-floating-body array, and the wave flow motion response analysis of the mooring type multi-floating-body array is realized. A universal joint connection structure for platform connection is designed, and an equivalent concentrated mass-spring unit is introduced to simplify modeling of a mooring chain. Joint simulation is implemented in a numerical wave generation and ocean current pool, and hydrodynamic force and structural response of the anchor system multi-floating-body array system under the steady-state ocean current and regular wave conditions is evaluated; the system studies the influence of the size of the floating ball, the weight of the mooring chain and the flow velocity on the hydrodynamic performance and the platform stability. And the performance requirements in a complex marine environment can be better met.

The utility model belongs to the technical field of ships, and particularly relates to a launching barge anchoring equipment reinforcing structure which comprises a launching barge. The launching barge comprises a buoyancy tank in the middle and buoyancy towers arranged at four corners of the buoyancy tank; anchoring equipment is arranged on the buoyancy tank, the anchoring equipment is used for fixing the launching barge in a water area, and the buoyancy tank comprises a buoyancy tank deck and a buoyancy tank end sealing plate; a fixing reinforcing device is arranged on the anchoring equipment and used for reinforcing the anchoring equipment. By arranging the anchoring equipment, when a ship is berthed, the anchoring equipment can fix the ship at a preset position and prevent the ship from drifting due to external force such as stormy waves, the structural strength of the anchoring equipment can be enhanced by arranging the fixing and reinforcing device, more loading force can be borne, and falling and damage caused by insufficient structural strength are prevented; the safety of the ship is influenced. The stable, safe and controllable operation of the ship entering and exiting the launching barge and the sinking and floating process is ensured, and the reinforcing structure of the launching barge anchoring equipment is reliable.

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

The invention discloses a grabbing and suction force fusion shared anchor structure, an offshore floating platform and an implementation method. The grabbing and suction force fusion shared anchor structure comprises a barrel wall and a barrel cover; the top of the barrel wall is connected with the barrel cover to form a suction anchor structure; a plurality of wing plates are distributed on the outer side wall of the barrel wall; barrel wall lug plates are arranged on the outer side wall around the barrel wall; the barrel wall lug plate is connected with the barrel wall lug plate connecting rod; a mooring ring is arranged on the outer side of each barrel wall lug plate connecting rod; each mooring ring is fixedly connected with the lower end of the anchor chain; the upper end of the anchor chain is connected with an anchoring point on the offshore floating platform; anchor grabbing key teeth are arranged at the lower part of the outer side wall around the barrel wall; each catching anchor key tooth is hinged with one end of the umbrella-shaped catching anchor; and a vertical pile anchor is vertically arranged in a central through hole of the barrel cover. According to the invention, stable and reliable anchoring support can be provided for an offshore floating photovoltaic (or wind power) system installed on an offshore floating platform under complex mooring working conditions of large load, high torque and strong stress.

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

The invention discloses a multi-energy complementary ocean floating type power generation system which comprises a floating type wind power platform, a wave energy power generation device, a floating type photovoltaic platform array and a mooring device, and the floating type wind power platform is used for supporting and installing a wind generating set; the wave energy power generation device is arranged on the periphery of the floating type wind power platform, so that a protection water area is formed between the wave energy power generation device and the floating type wind power platform; the floating type photovoltaic platform array is arranged in a protection water area; according to the mooring device, the anchoring foundation, the underwater buoys, the main mooring cable and the branch mooring cables are used for constructing a mooring cable net, the floating type wind power platform, the wave energy power generation device and the floating type photovoltaic platform array are moored in one mooring cable net in a centralized mode, and by sharing the anchoring foundation and the main mooring cable, the number of anchor points and the total using amount of mooring materials are greatly reduced; the mooring structure is simplified, the manufacturing and mounting cost is reduced, and meanwhile the energy output efficiency of the whole system is improved.

The utility model discloses a tension leg floating type wind power platform pile foundation connecting device, and relates to the technical field of tension leg floating type wind power platform mooring connection, the tension leg floating type wind power platform pile foundation connecting device comprises a bottom connecting mechanism and a steel cable protection mechanism, the bottom connecting mechanism comprises a welding back plate, and a tongue plate is arranged on the welding back plate; the upper end of the tongue plate is connected with a steel cable joint through a pin shaft, a steel cable is connected to the steel cable joint, and the two ends of the tongue plate are locked and fixed through locking mechanisms respectively. The steel cable protection mechanism is located on one side of the pile foundation, and the steel cable is placed on the steel cable protection mechanism after being connected and used for preventing the steel cable from being bent and damaged when the steel cable is pre-laid to the seabed. The device is simple in structure, reliable in performance, convenient to operate and capable of adapting to underwater rapid connection, only one ROV is needed for auxiliary operation in the whole operation process, the tie-back installation process of the mooring rope and the anchoring device of the tension leg wind power platform is simplified, and the mooring and installation cost of the tension leg wind power platform is reduced.

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

The invention discloses a water surface mooring device for a photovoltaic module, relates to the technical field of water surface mooring devices, and mainly aims to prevent overload of a motor so as to avoid damage to the motor, prolong the service life of the mooring device and reduce the maintenance cost. According to the main technical scheme, the water surface mooring device for the photovoltaic module comprises a base, wherein the base comprises a base and a floating plate which are connected with each other; the photovoltaic panel is arranged on the base; the anchoring assembly comprises an anchor body, a steel cable, a winch and a driving part, one end of the steel cable is connected with the anchor body, the other end of the steel cable is connected with the winch, the winch is arranged on the floating plate, and the driving part is connected with the winch; the anti-overload assembly comprises a floating assembly and a pulley, the floating assembly is arranged on the floating plate, the pulley is rotationally connected to the floating assembly, the other end of the steel cable is wound around the pulley and then connected with the winch, and the floating assembly is used for driving the pulley to move downwards when the traction force borne by the steel cable is increased so that the steel cable can be loosened.

An offshore photovoltaic platform comprises a floating platform, a carrier platform supported above the floating platform by a plurality of connecting columns for carrying photovoltaic modules mounted on top of the carrier platform, wherein the floating platform is a hollow shell made of concrete.

The present application relates to a floating support foundation, a wind turbine, and a control method. The floating support foundation includes: a floating main body including n floating columns spaced apart around a first axis and connecting bodies connecting every adjacent two of the floating columns, n≥3, the n floating columns including one first floating column and n-1 second floating columns, and the first floating column being used for supporting the tower; stabilization devices, each of the second floating columns being connected to a respective one of the stabilization devices, the stabilization device including a drive assembly, a first impeller, and a base connected to the second floating column, the base having an inner cavity, and a first opening and a second opening communicating with the inner cavity, the first opening, the inner cavity, and the second opening forming a flow channel for the seawater, the first impeller being disposed in the inner cavity, the drive assembly driving the first impeller to rotate and causing the seawater to flow within the flow channel, so as to adjust the second floating column connected to the stabilization device to float upward or sink downward. The present application has a simple structure and relatively low cost.

The invention relates to the field of marine floating bridges, and discloses a marine floating bridge floating island module which comprises a seabed pile foundation, the side wall of the top end of the seabed pile foundation is sleeved with a lifting lug a through a cable a, the surface of the top end of the seabed pile foundation is sleeved with a lifting lug b through a cable b, and floating bridge mechanisms are arranged on the surfaces of the lifting lug b and the lifting lug a. The platform can be quickly built at positions such as the sea surface so as to cope with different use environments. A storm-resistant stable system is constructed through a semi-cylindrical structure, a two-way mooring rope and gravity center adjustment, the curved surface contour of a semi-cylindrical floating plate can guide waves to flow along the side face of a plate body, front impact is avoided, wave impact force is dispersed, and the transverse swing angle is controlled within 5 degrees; the seabed pile foundation forms pull-down and side-pull two-way fixation through the mooring rope a and the mooring rope b, vertical movement is limited, horizontal drifting is restrained, and the module is prevented from being separated from a preset area; the gravity center of the sealed clean water bags in the water storage cavity can be flexibly adjusted by increasing and decreasing the number.

The invention relates to the technical field of offshore wind power, in particular to a fan platform anchoring system and a construction method.The fan platform anchoring system comprises a fan platform, the fan platform is provided with an anchoring plate, and the anchoring plate is circumferentially connected with multiple groups of anchoring components; the anchoring component comprises an anchoring chain, one end of the anchoring chain is connected with the anchoring plate, the other end of the anchoring chain is connected with an anchoring foundation, and the anchoring foundation is buried underwater; the device further comprises a balancing weight which is connected to the mooring chain. The multiple sets of anchoring components are arranged around the anchoring plate in the circumferential direction so that tension can be provided for the fan platform in multiple directions, the fan platform can be kept stable under traction of the multiple sets of anchoring components, further, the balancing weight is connected to the anchoring chain, the anchoring foundation is embedded into the water bottom to provide tensile resistance for the anchoring system, meanwhile, the weight of the anchoring chain is increased through the balancing weight, and the anchoring effect is improved. The balancing weight can consume and damp power energy transmitted by the fan platform in the process of being lifted up and put down, the tension acting on the anchoring foundation is reduced, and the stability of the whole anchoring system is improved.

The application discloses a water surface photovoltaic mooring device, which comprises a plurality of mooring units; two ends of each mooring unit are arranged on opposite side walls of a reservoir, and the plurality of mooring units form a plurality of containing areas arranged in an array on the water surface; a photovoltaic unit is arranged in each containing area, and the photovoltaic unit is flexibly connected with the mooring units forming the containing area; each mooring unit comprises one mooring piece and two adjustable lifting modules; one end of each adjustable lifting module is arranged on the side wall of the reservoir and is higher than a preset water level, and the other end is connected with the mooring piece located on the water surface. In the water surface photovoltaic mooring device, the adjustable lifting modules are arranged, so that the device can adapt to large changes in the water level of a pumped storage power station reservoir; in addition, the mooring units of the application are located above the water surface, so that the corrosion of the water body on the mooring units is effectively reduced, and the possibility of blockage of the mooring units is reduced.

A buoyant offshore renewable energy system mounting platform is provided for use in supporting a renewable energy system in a body of water. The platform comprises a buoyant spar having a top end and a bottom end, the spar arranged to support a renewable energy system thereon; and a plurality of mooring lines arranged to tether the spar to a bed of a body of water such that the buoyant spar is positioned in the body of water at an operating depth. The plurality of mooring lines comprise: one or more first mooring lines affixed to a bottom end of the spar, the bottom end distal to the top end, and arranged to engage the bed of the body of water; and at least three further mooring lines, a first end of each of the further mooring lines being in communication with the spar between the top end and the bottom end thereof, and a second end of each further mooring line being arranged to engage the bed of the body of water such that said further mooring line is oriented diagonally relative to the spar at the operating depth; wherein at the operating depth, the first end of the spar is positioned above a surface of the body of water and the second end is positioned below the surface of the body of water. The described platform aims to provide a simple and stable offshore renewable energy system mounting solution having a simpler manufacture, assembly and deployment procedure along with easier ongoing access for deployment and maintenance vessels to minimise damage during deployment and maintenance.

A locking mechanism for a connector assembly is described. The locking mechanism comprising complementary male (2) and female portions (3). The female (3) portion comprising an inclined surface (36) and engaging members (20) arranged thereon. The male and female portions comprising grooved surfaces (9,29), wherein the grooves are asymmetric. The male portion (2) extends through the female portion (3), and the grooved engaging members are arranged radially inward of the inclined surface (36), between the male portion and outer sleeve (30); the load being transferred from the male portion (2) to the grooved engaging members (20) and from the grooved engaging members to the outer sleeve (30), wherein the load is transferred from the grooved engaging members to the outer sleeve only at the interface of the inclined surfaces of the grooved engaging members and outer sleeve.

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

The 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.

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

The present invention relates to a floating platform (2), particularly a platform (2) for a wind turbine, in which stability can be improved by the arrangement of fixing tendons (17, 18). The present invention also relates to a method for assembling such a platform with a wind turbine, and a method for fixing the platform to the sea.

Large floating tension leg type offshore wind power generation system and its transportation, installation and maintenance method belong to the field of offshore wind power, and at least two groups of auxiliary pontoons are arranged on each transverse support of the floating tension leg type wind turbine foundation, one group of the auxiliary pontouns is arranged on the transverse support close to one side pontoon connected to one end of the transverse support, and the other group of the auxiliary pontoons is arranged on the transverse support close to the other side pontoon connected to the other end of the transverse support, wherein one group of the auxiliary pontoons comprises at least one auxiliary pontoon, the present application can reduce the transportation and installation difficulty of the floating wind turbine, improve the installation precision, and the auxiliary pontoon is convenient to disassemble and can be quickly replaced during operation and maintenance, and has installation convenience.

This invention discloses a flexible, wave-resistant, floating photovoltaic system, including a photovoltaic platform frame. A photovoltaic power generation platform is located on the upper side of the photovoltaic platform frame, and a central float is coaxially positioned below the photovoltaic platform frame. The central float is fixedly connected to the photovoltaic platform frame via a float support. Around the central float, several arc-shaped attitude adjustment bodies are arranged in a circular array. Each arc-shaped attitude adjustment body has two ends connected to coaxial rotating shafts along its length, allowing it to rotate around the axes of its two ends. In addition to being wave-resistant, it also has a light-tracking function.