4381results about "Wind motor supports/mounts" patented technology

The invention relates to the technical field of new energy pipelines, in particular to an anti-cracking hydrogen-doped pipeline system and a performance degradation monitoring method thereof. The hydrogen-doped pipeline system comprises a pipeline assembly, a supporting assembly, an operation assembly, a power assembly, a storage battery pack, a system control cabinet and a power generation assembly, the phenomena of hydrogen permeation and gas stratification are effectively inhibited through innovative pipeline structure design and material optimization in the system level, the hydrogen embrittlement risk is reduced from the source, and the energy consumption is reduced. According to the method, the hydrogen atom diffusion tracking and crack initiation prediction are combined, and a multi-scale collaborative monitoring system is constructed, so that the whole-process monitoring from hydrogen atom diffusion tracking to crack initiation prediction is realized, and particularly, a quantum dot marking technology is combined with a traditional sensing network, so that the service life of the pipeline can be effectively prolonged, and the reliability and the maintenance efficiency of safety monitoring are improved.

This invention introduces a kinetic energy recovery wind-wave integrated system for offshore wind power generation. The system consists of a semi-submersible platform equipped with a fan and an internal wave energy device. The device includes a shell housing a Power Take-Off (PTO) system, featuring a permanent magnet synchronous linear motor and an active controller. The motor's stator is fixed inside the shell, while its mover is connected to a counterweight block outside the stator, linked to the shell's top via a spring. Limiters are installed at both ends of the shell to restrict the counterweight block's movement. This system utilizes the wave energy device to absorb kinetic energy, which otherwise affects wind turbine stability, and converts it into usable electrical energy via the PTO system. This enhances the stability and safety of offshore wind turbine power generation.

The invention discloses a semi-submersible wave energy-wind energy integrated power generation platform and a damping regulation and control method of a damping regulation and control system of the semi-submersible wave energy-wind energy integrated power generation platform. The platform comprises a semi-submersible wind driven generator platform, a wind driven generator set, a wave energy power generation device, an energy storage system, a sea area detection system and the damping regulation and control system. The wave energy power generation devices are divided into two groups on the inner side and the outer side of the platform, each wave energy power generation device comprises a platform inner side wave energy power generation device and a platform outer side wave energy power generation device, and each wave energy power generation device comprises a swing arm floater, a universal hinge, a connecting arm and a damping adjusting module. The semi-submersible wind power generation device and the wave power generation device are combined, and offshore renewable resources are comprehensively utilized; the six-buoy design is adopted, buoyancy is dispersed, stability and safety are improved, and meanwhile space is provided for a wave power generation device; the floaters are symmetrically arranged in a hexagonal shape and carry a damping regulation and control system, and the whole structure is more easily stabilized by adjusting the damping of the floaters in all directions.

The invention discloses an old wind power plant fan foundation small-to-large capacity increasing structure and a transformation construction method. The old wind power plant fan foundation small-to-large capacity increasing structure comprises an original fan foundation, a newly-poured reinforced concrete foundation, a vertical anchor bolt cage connecting system and a radial anchor bolt connecting system. The connecting structure of the bottom section of the new fan tower drum and the new fan foundation comprises a vertical anchor bolt cage connecting system and a radial anchor bolt connecting system. The vertical anchor bolt cage connecting system is fixed in the original fan foundation, and the radial anchor bolt connecting system is fixed in the newly-poured reinforced concrete foundation. According to the new fan foundation, the diameter of the middle pier is expanded so as to arrange a new tower tube, the height of the middle pier is not changed, the height of the middle pier of the newly-poured foundation almost does not need to be increased, and the using amount of concrete is greatly reduced. Meanwhile, according to the structure, an original vertical anchor bolt cage connecting system is reserved, a radial anchor bolt connecting system is adopted for enhancing connection between the bottom section of the fresh air fan tower barrel and the fan foundation, the transformation cost and the connection reliability are effectively controlled, and the maximization of reutilization of the original fan foundation and the controllability of the cost of the fresh air fan foundation are achieved.

The invention discloses a collaborative enhancement energy consumption mechanism and a support arm type fan tower drum damping device with the collaborative enhancement energy consumption mechanism, and relates to the technical field of engineering structure vibration, the collaborative enhancement energy consumption mechanism comprises a liquid column lever assembly and a plurality of inerter damping units symmetrically installed at the end of the liquid column lever assembly, and each inerter damping unit comprises a shell; the hydraulic damper and the linear-rotation converter are sequentially and axially installed in the shell from top to bottom, when the liquid column inclines, the first connecting plate is driven to drive the piston rod to stretch out and draw back, the piston rod drives the flywheel to rotate through the linear-rotation converter, and therefore vibration energy is transmitted to a fixed foundation structure through the second connecting plate to be dissipated; the invention further discloses a supporting arm type fan tower drum vibration reduction device, displacement of the vibration transmission part is transmitted to the liquid column lever through the connecting piece, the inerter damping unit is driven to stretch out and draw back, a complete energy consumption chain of the tower drum, the vibration transmission part, the connecting piece, the liquid column, the inerter damping unit and the ground is formed, and it is guaranteed that energy is stably transmitted to a fixed foundation structure.

The invention provides a single-point mooring floating type fan platform capable of actively yawing, and belongs to the technical field of offshore wind power. The problem that the aerodynamic efficiency of an impeller is reduced due to the fact that a fan platform needs to bear multiple coupling effects of ocean currents and waves and the fan platform deviates from the best windward direction due to the hydrodynamic force coupling effect when an included angle is formed between the ocean current direction and the wind direction under the action of the complex ocean environment is solved. The system comprises a wind turbine generator, a mast type tower, a platform foundation, a single-point mooring device and a flow guide device, the edge of the platform foundation is connected with the single-point mooring device and can rotate by 360 degrees around the single-point mooring device. The flow guiding device is installed at the edge position of the platform foundation and arranged opposite to the single-point mooring device, the horizontal section of the flow guiding device is in a symmetrical streamline shape, and the flow guiding device is provided with a driving device which drives the flow guiding device to rotate in the horizontal direction and adjusts the acting force of ocean current on the fan platform. The power generation device is mainly used for improving the power generation efficiency of the mast type tower offshore wind turbine platform.

The invention relates to the technical field of land fan foundations, and discloses a land wind power fan foundation structure and a construction method thereof.The land wind power fan foundation structure comprises a prefabricated outer framework with the narrow upper portion and the wide lower portion, and a prefabricated bottom anti-inclination assembly comprises a bottom cylinder arranged in a counter bore in the middle of a foundation pit and a reinforcing framework fixed to the bottom cylinder; the top of the prefabricated top base framework is located at the top of the prefabricated outer framework, the middle of the prefabricated top base framework is located in the prefabricated outer framework, and the bottom of the prefabricated top base framework is connected with the reinforcing framework in a positioning and clamping mode, so that the prefabricated outer framework, the prefabricated bottom anti-inclination assembly and the prefabricated top base framework are combined into a whole; through the combined design of the prefabricated outer framework, the prefabricated bottom anti-inclination assembly and the prefabricated top base framework, the foundation structure high in integrity and stability is formed. The connection mode of all the components can effectively resist lateral force and overturning moment, and safe operation of the fan tower drum is ensured.

The anti-scour device comprises a protective cover and a spoiler, the protective cover is used for being arranged on a pile body of the wind power single pile in a sleeving mode and enabling the protective cover to be arranged on a gravel layer around the pile body in a covering mode, a flow guide face is arranged on the outer side of the protective cover, and the flow guide face gradually rises from the periphery of the protective cover to the middle of the protective cover. The spoilers are arranged on the outer side of the protective cover at intervals in the circumferential direction of the protective cover, one ends of the spoilers in the length direction face the middle of the protective cover, and the other ends of the spoilers in the length direction face the periphery of the protective cover. And under the action of the protective cover and the spoiler, the anti-scouring performance of the whole anti-scouring device applied to the offshore wind power single pile is improved, and the mounting stability of the wind power single pile is guaranteed.

The invention discloses an aerostat with a built-in pressure adjusting structure, a wind power generation system and a control method, the aerostat of one embodiment comprises an auxiliary air bag, the pressure adjusting structure arranged in the auxiliary air bag and a pressure control structure arranged outside the auxiliary air bag, the pressure adjusting structure comprises an air duct pipe, a first valve arranged at one end of the air duct pipe, a second valve arranged at the other end of the air duct pipe and a fan arranged in the air duct pipe and located between the first valve and the second valve. The pressure control structure comprises a controller and a differential pressure sensor, and the controller is used for controlling the fan, the first valve and the second valve to exhaust or inflate the auxiliary air bag according to the air pressure, sensed by the differential pressure sensor, of the bag body. According to the embodiment, the pressure adjusting structure of the aerostat is integrally arranged in the auxiliary air bag, the beneficial effects of being compact in structure, good in air tightness and the like are achieved, the stability and reliability of the aerostat are remarkably improved, and the practical application value is achieved.

The invention relates to a vertical axis wind-flow energy power generation platform and an operation method thereof.The vertical axis wind-flow energy power generation platform comprises a platform body, an adjustable gearbox, a vertical axis fan and a vertical axis water turbine, and the platform body comprises a main stand column and a plurality of auxiliary stand columns; the adjustable gearbox is arranged in the main stand column; the vertical shaft fan comprises a fan shaft and a plurality of fan blades; the vertical shaft water turbine comprises a water turbine shaft and a plurality of water turbine blades; a fan shaft is connected with one end of the adjustable gearbox, and a water turbine shaft is connected with the other end of the adjustable gearbox; the transmission ratio gamma is adjusted through the adjustable gearbox, gamma = n wind / n flow, n wind is the rotating speed of the vertical axis fan, and n flow is the rotating speed of the vertical axis water turbine; and the rotating directions of the vertical shaft fan and the vertical shaft water turbine are opposite. Functional coupling of the vertical-axis fan and the vertical-axis water turbine is achieved by adjusting the transmission ratio of the adjustable gearbox, the vertical-axis fan and the vertical-axis water turbine are combined into a whole, and offshore wind energy and tidal current energy can be developed at the same time.

The invention provides a floating type storm fusion power generation system which comprises a plurality of floating type wind driven generators, a mooring floating assembly, an anchoring foundation and a wave energy power generation device, the floating type wind driven generators are distributed around the mooring floating assembly and connected with the mooring floating assembly, and the anchoring foundation is connected with the wave energy power generation device. The multiple floating type wind driven generators and the mooring floating assemblies are connected with the corresponding anchoring foundations, and the anchoring foundations are used for being fixed to a seabed. The floating type wind driven generator comprises a wind driven generator body and a supporting floating seat, the supporting floating seat and the mooring floating assembly are each provided with a wave energy power generation device, and the wave energy power generation devices are used for making contact with seawater and converting wave energy into electric energy. The mooring system is simplified, the stability is higher, the power generation utilization rate of the ocean space is increased, and the power generation efficiency is improved.

The invention relates to a motion compensation type pile gripper perpendicularity adjustment control method which comprises the following steps: 1, mounting a tilt angle sensor and a displacement sensor on a pile gripper for detecting the tilt angle theta of a pile body and the position of a supporting arm in real time; step 2, acquiring a current inclination angle value theta c and a target value theta t through a control system, calculating a real-time perpendicularity deviation delta theta = theta c-theta t, and driving a servo mechanism to adjust the position of a supporting arm according to the perpendicularity deviation delta theta so as to perform motion compensation; and step 3, dynamically correcting the compensation process by using a closed-loop control algorithm until the condition that verticality adjustment is completed is met, namely delta theta is less than or equal to epsilon, and epsilon is an allowable error threshold. A high-precision inclination angle sensor and a displacement sensor are installed on the pile gripper, the inclination angle of a pile body and the position deviation of a supporting arm are detected in real time, and a control signal is dynamically generated through a closed-loop control algorithm to drive a servo mechanism to conduct adjustment. A dynamic parameter compensation mechanism is designed, control parameters are corrected in real time according to the inclination angle of the foundation and external force interference, the adjusting precision and stability under the conditions of complex terrains and dynamic external force are remarkably improved, a servo mechanism achieves precise action through a hydraulic driving system and a proportional control valve, the response time of the servo mechanism meets the engineering requirement, and the engineering cost is reduced. And the perpendicularity error of the pile body can be controlled within a preset range, the construction efficiency and the long-term stability are improved, and the problem that a traditional manual adjustment and mechanical auxiliary system is insufficient in precision is solved.

The invention discloses a high-tower wind turbine generator fault early warning and diagnosis method and system. The method comprises the following steps: preprocessing SCADA data of the high-tower wind turbine generator; decomposing the preprocessed SCADA data through an improved EEMD algorithm, extracting feature information of at least two time scales, and splicing I MF components of at least two time points into a feature matrix; inputting the feature matrix into an enhanced vision Transformer (Vi T) model to obtain a prediction result of the real-time state of the wind turbine generator; and calculating a residual matrix based on the prediction result and the SCADA data, and when a root mean square error of the residual matrix exceeds a preset early warning threshold, triggering fault early warning. According to the technical scheme, by improving the EEMD algorithm and enhancing the visual Transform model, the accuracy and real-time performance of fault early warning and diagnosis of the high-tower wind turbine generator system are improved, the intelligent level of the system is enhanced, and the operation and maintenance cost is reduced.

The invention provides an old wind power plant fan foundation reconstruction structure and method, and relates to the technical field of new energy wind power generation, the old wind power plant fan foundation reconstruction structure comprises an existing fan foundation, a first section of tower drum is arranged in the center of the top surface of the existing fan foundation, a reinforcing member is arranged on the first section of tower drum, and a supporting column is radially arranged around the side surface of the reinforcing member; pile foundations are arranged at the ends, away from the reinforcing components, of the supporting columns. The bottom of the first tower drum is tightly matched with the original foundation, the top of the first tower drum is connected with the new tower drum, the first tower drum, the supporting columns and the existing fan foundation are cooperatively stressed to form a new bearing structure, the load of the original foundation can be reduced, and the overall stability of the fan structure is achieved; the bearing capacity is further improved by arranging the reinforcing components and the stiffening ribs, the stability is enhanced, the transformation effect and the operation reliability are comprehensively improved, and a new thought is provided for efficient, economical and safe transformation of the old wind power plant.

The invention relates to the technical field of wind power generation, in particular to a forward and reverse rotation double-rotor multi-blade wind generating set, and aims to overcome the defects of low wind energy utilization rate and unstable power generation reliability caused by inconvenience in angle adjustment of blades in the prior art, the following scheme is provided: the forward and reverse rotation double-rotor multi-blade wind generating set comprises a base; the number of the fixing legs is four, and the four fixing legs are all fixedly installed at the bottom of the base; the turntable is rotatably mounted at the top of the base, a first mounting box is fixedly mounted at the top of the base, and a first stepping motor is fixedly mounted on the inner wall of the first mounting box; and the number of the supporting columns is two, the two supporting columns are both fixedly installed on the top of the rotating disc, first rotating shafts are both rotatably installed on the two supporting columns, and the angle of the blades can be conveniently adjusted, so that the wind energy utilization rate can be further increased, and the power generation reliability can be further improved.

In an installation of a wind turbine on a floating foundation in floating condition and subject to sea-state induced motions, e.g. at the site of an offshore windfarm, use is made of a vessel with a crane arranged on the hull and provided with a hoisting system adapted to support the weight of the wind turbine and suspend the wind turbine from the crane. A heave compensation device compensates for sea-state induced heave motion of the wind turbine mast relative to the mast mounting structure of the floating foundation. Use is made of a mast alignment system configured to engage on the suspended wind turbine, e.g. on the mast of the suspended wind turbine, and to bring and maintain the mast of the wind turbine in alignment with the mounting axis of the floating foundation in order to compensate for sea-state induced motions, at least including tilt motions in one or more vertical planes, of the wind turbine mast relative to the mounting axis of the floating foundation.

The invention discloses a buoy structure and a foundation structure suitable for a floating type wind turbine generator foundation, and the buoy structure comprises a distributed steel pipe frame which comprises a central steel pipe and peripheral steel pipes arranged around the central steel pipe; the end deck comprises an upper end deck and a lower end deck which are connected with the two ends of the distributed steel pipe frame respectively; the buoyancy module is made of glass fiber reinforced plastics and is formed by connecting a plurality of buoyancy units with a central steel pipe and a peripheral steel pipe in a layered manner, and each buoyancy unit is of a hollow watertight box body structure and is filled with a water pressure load or a solid pressure load; each buoyancy unit comprises a connecting pin connected with the central steel pipe, a through hole allowing the peripheral steel pipe to penetrate through and a skirt plate used for being connected with the adjacent buoyancy unit or the end deck, the connecting pins are arranged on the inner sides of the buoyancy units, the skirt plates are arranged on the outer sides of the buoyancy units, and connecting holes are formed in the skirt plates. The manufacturing and maintenance cost is effectively reduced, meanwhile, modular construction can be achieved, and the construction period is greatly shortened.

The invention discloses a semi-submersible fan-oscillating water column wave energy device integrated device with heaving plates. The semi-submersible fan-oscillating water column wave energy device integrated device comprises floating fan equipment, a central platform, buoys, hydraulic heaving plate connecting rods, an upper-layer permeable heaving plate, a lower-layer non-permeable heaving plate, a control system, a wind speed monitoring sensor and a laser wave surface displacement sensor. The floating fan equipment is arranged at the upper part of the central platform; the buoy is formed by connecting a permeable protective cover, a hydraulic connecting rod, an OWC device, an air pressure enhancing device, an internal supporting rod, a telescopic supporting plate and a pneumatic turbine. The upper-layer permeable heaving plate and the lower-layer non-permeable heaving plate are connected to the bottom of the buoy through the hydraulic heaving plate connecting rod; the control system is positioned in the lower horizontal plate of the central platform; the wind speed monitoring sensor and the laser wave surface displacement sensor are arranged on a stand column of fan equipment. The fan operation efficiency and the system reliability are improved, the whole life cycle cost is effectively reduced, and good durability and maintainability are achieved.

The present invention relates to the field of offshore wind power generation, and specifically to an offshore wind power generation device, which includes a floating platform and a wind power generation component arranged at the upper end of the floating platform. A plurality of traction components for pulling the floating platform are arranged below the floating platform, and the traction component includes an L-shaped frame fixed to the lower end of the floating platform, a traction rope is slidably connected to the L-shaped frame, and one end of the traction rope is fixed to the seabed; a circular plate is arranged below the floating platform, and a lifting component for lifting the circular plate and a guide component for guiding the circular plate during the lifting process are arranged on the floating platform; an annular plate is provided on the outer surface of the traction rope, and a cleaning component for cleaning shellfish attached to the surface of the traction rope is provided at the lower end of the annular plate. During the power generation operation, the offshore wind power generation device of the present invention automatically scrapes and cleans the shellfish on the surface of the traction rope through the cleaning component, so as to prevent the shellfish on the surface of the traction rope from affecting the stable power generation operation of the offshore wind power generation device.

An installation method for an offshore wind turbine, comprising: providing a docking device (100), and movably fixing the docking device to a floating foundation (200), the docking device comprising an annular body (10) and a docking cavity penetrating therethrough; connecting a compensation device (300) to a hoisting appliance (400), the hoisting appliance being connected to a hoisted object by means of the compensation device; using the hoisting appliance to hoist a support tower (500), and inserting the support tower into the docking cavity and connecting same to the floating foundation (200); moving the docking device to the end of the support tower away from the floating foundation in the axial direction of the support tower and movably fixing same to the outer wall of the support tower; and using the compensation device to hoist a power generation assembly, the power generation assembly comprising a rotor, a nacelle (700) and a connection tower (800) connected to the nacelle, and inserting the connection tower into the docking cavity and connecting same to the support tower. The method improves the capability of installing offshore wind turbines and reduces installation costs.

The invention relates to the field of offshore wind power foundations, in particular to an offshore wind power composite barrel type foundation with an overturning reset function, which comprises a vertically arranged truss structure, a foundation middle barrel and a plurality of foundation side barrels are arranged at the lower end of the truss structure, and the plurality of foundation side barrels are uniformly distributed along the circumferential direction of the foundation middle barrel; a transition section used for being connected with a wind turbine generator is arranged at the upper end of the truss structure, a plurality of branch pumping pipes are arranged on the inner top wall of the foundation middle barrel, one ends of the branch pumping pipes gather towards the center of the foundation middle barrel and are arranged on the upper side of the foundation middle barrel, and the ends, away from one another, of the branch pumping pipes extend into the foundation side barrels correspondingly. Rotating columns are vertically arranged at the tops of the multiple foundation side cylinders, and a reset rod is arranged between every two adjacent rotating columns; a hammering assembly is detachably installed on the upper side of the reset rod. The problem that in the prior art, a composite barrel type foundation is not provided with a structure for self-rescue or matched self-rescue after inclination occurs is solved.

The invention belongs to the field of offshore wind power foundations, and provides an offshore wind power foundation anti-scouring device and a protection method thereof. The anti-scouring device for the offshore wind power foundation comprises a conical sheath, an anchoring mechanism, a buffering structure and a positioning mechanism, and the conical sheath is arranged on the outer wall of a wind power foundation pile in a penetrating mode; the anchoring mechanism comprises a driving part and an anchoring part, the driving part is arranged in the middle of the conical sheath in a sleeving mode, the anchoring part is connected to the bottom of the conical sheath in a penetrating and inserting mode, and the stretching amount of the anchoring part in the vertical direction is controlled by rotating the driving part; the buffering structure is arranged on the outer wall of the conical sheath and the outer wall of the driving part in a surrounding manner so as to be matched with the driving part to perform unloading buffering of seawater scouring force; the multiple sets of positioning mechanisms are arranged between the sleeving positions of the wind power foundation piles of the conical sheath in a surrounding mode so that the wind power foundation piles can be guided to perpendicularly penetrate through the conical sheath in a penetrating mode. It can be ensured that the wind power foundation pile is stably prevented from being scoured.

The utility model relates to the technical field of wind power test field installation, and discloses a wind power test field-based tower drum installation switching device, which comprises a switching mechanism, the switching mechanism comprises a switching drum body, a first connecting flange is fixedly welded at an opening at the upper end of the switching drum body, and a second connecting flange is fixedly welded at an opening at the lower end of the switching drum body. According to the tower drum installation switching device, the switching drum body of the tower drum installation switching device is designed to be of an integrated structure and comprises the whole drum body, the interior and the exterior of the whole switching drum body are kept flat, the sealing performance is good, meanwhile, the inner reinforcing mechanism attached to the inner wall of the switching drum body is arranged on the inner side of the switching drum body, and the structure reinforcing effect of the switching drum body is achieved; the structure of the adapter barrel is reliable, long-time reliable use of the adapter barrel is further guaranteed, regular repair welding or additional welding maintenance is not needed, and the adapter barrel is convenient to use.

The invention discloses a modular splicing type wind power tower drum, and relates to the technical field of wind power engines, the modular splicing type wind power tower drum comprises a first tower drum and an automatic splicing assembly, a first flange is arranged on the outer wall of the top of the first tower drum, the automatic splicing assembly is fixed on the outer wall of a second tower drum, and a rotating sleeve is fixed at the end part of a blade. According to the modular splicing type wind power tower drum, oil flows in the annular channel to push the gear ring to be meshed with the nut gear to rotate, so that the nut body is in threaded connection along the surface of the fastening bolt in the descending process, and after the fastening bolt completely descends, the oil stops flowing to form resistance on the two sides of the blades; the nut body cannot rotate at will through the bearing, it is guaranteed that the first tower drum and the second tower drum are firmly spliced through the fastening bolts, fastening of all the fastening bolts can be achieved at a time, workers do not need to work high above the ground, assembly time is greatly shortened, and therefore the assembly efficiency of the tower drums is improved.

Provided is a wind turbine component for a wind turbine, in particular for a wind turbine tower and / or a rotor blade, to a wind turbine tower, to a rotor blade, to a wind turbine and to a method for producing a wind turbine component. Provided is a wind turbine component for a wind turbine, in particular for a wind turbine tower and / or a rotor blade, comprising a first wall element with a first inner surface and a first outer surface arranged opposite the latter, a corrugated structural element, wherein the structural element is arranged on the first inner surface or on the first outer surface, wherein the first wall element is connected to the structural element.

A method for constructing a wind turbine concrete floater including a central connector from which radial arms extend, the central connector carrying a central stability tower, and each arm carrying an outer stability tower. The method includes prefabricating the arms, central connector and at least parts of the stability towers, pre-assembling the central connector with one arm to form a primary pre-assembly, mounting temporary flotation devices onto the arms to provide additional buoyancy to them, floating the primary preassembly and floating the other arms of the floater, and assembling offshore said primary preassembly with said other arms.

The invention discloses a damping device suitable for a wind power prestressed steel strand, which comprises a bottom plate, a hoop and an elastic lining, and is characterized in that the bottom plate is fixedly connected with the inner wall of a tower drum; the hoop and the elastic lining are both of a split structure, the elastic lining is used for bundling dispersed steel strands, the hoop is used for fixing the elastic lining, the hoop and the bottom plate are connected through a movable limiting assembly, and the movable limiting assembly is used for restraining swinging of the steel strands. The device has the advantages of being compact in structure, convenient to disassemble and assemble, high in reliability and the like, the bundling bottom plate is integrally mounted on the tower barrel wall in the middle of the steel strand, the split hoop and the elastic lining bundling steel strand are utilized, the movable limiting assembly is adopted between the hoop and the bottom plate to limit movement of the steel strand, and the problems that the middle area of an ultrahigh tower prestress system is not restrained, and construction is not limited are solved. The problem of interference friction with the tower drum wall and accessories due to large swing amount is solved, and the problem of failure caused by build-up force damage of the middle steel strand at the bundling fixing position is also solved.

The invention discloses a multi-energy coordination and monitoring platform for offshore oil and gas development, which relates to the technical field of multi-energy coordination and comprises a floating platform main body, and a solar power generation array (1), a sub power generation system (2), a main power generation system (3) and a water turbine cross beam (4) which are positioned on the floating platform main body, the floating platform main body adopts a hexagonal modular structure; the solar power generation array (1) comprises a plurality of monocrystalline silicon photovoltaic panels which are uniformly distributed on the floating platform main body; the sub power generation systems (2) are positioned at six vertexes of the floating platform main body; the main power generation system (3) is located in the center of the floating type platform body. And the water turbine cross beams (4) are uniformly distributed on the periphery of the floating platform main body. By comprehensively utilizing renewable energy sources such as solar energy, wind energy, wave energy and ocean current energy, stable and sustainable energy supply can be provided for the offshore oil and gas platform, and various pain points of a traditional energy supply mode are overcome.

The invention discloses a high-bearing-capacity offshore wind power pile foundation structure and a construction method thereof. The high-bearing-capacity offshore wind power pile foundation structure comprises a suction bucket, a vertical rod installed in an inner cavity of the suction bucket and coaxially fixed to the suction bucket, a stabilizing assembly dividing the inner space of the suction bucket into a plurality of independent cavities and a leveling assembly. By arranging the stabilizing assembly and the leveling assembly, the suction bucket is divided into a plurality of independent cavities through the stabilizing assembly, differential pressure leveling is conducted in a multi-cavity independent water pumping mode in the stage of preliminary contact with the seabed, the perpendicularity of the suction bucket in contact with the seabed is guaranteed, and in the stage of downward insertion of the bucket body part, a high-pressure nozzle is started again to conduct secondary posture fine adjustment; according to the dynamic deviation correcting device, the dynamic deviation correcting capacity is achieved in different time periods in the penetration process, the dynamic deviation correcting device can adapt to uneven local hardness of a seabed or slight drifting of the posture of a barrel body in the downward insertion process, inclined insertion and penetration failure caused by posture unbalance of the suction barrel are avoided, and the vertical bearing performance and the anti-overturning stability of a pile foundation are further enhanced.

The utility model provides a fragmented steel-concrete composite structure transition section for a lattice type tower, which comprises two groups of fragmented structures which are oppositely arranged, two ends of the two groups of fragmented structures are connected through connecting components, each fragmented structure comprises a combined cavity, an outer steel shell, an inner steel shell cylinder, a top steel plate and a bottom steel plate, the inner steel shell barrel is arranged on the inner side of the outer steel shell, the top steel plate and the bottom steel plate are arranged on the tops and the bottoms of the inner steel shell barrel and the outer steel shell respectively and welded to the tops and the bottoms of the inner steel shell barrel and the outer steel shell to form a cavity, lattice type tower frame corner columns communicated with the combined cavity are arranged at the bottom of the combined cavity, and a concrete pouring body is arranged in the combined cavity. And the concrete pouring body is filled in an inner cavity of the lattice type tower corner post. The structure is simple in transmission and clear in stress, the compression resistance of the transition section can be remarkably improved, meanwhile, the risk of buckling of the combined cavity can be avoided, and the phenomenon that stress is concentrated when the stress of the upper steel tower is transmitted to the lower lattice section to be transmitted can be effectively avoided.