412results about "Vessel safety" patented technology

The invention relates to the technical field of intelligent unmanned ships, in particular to a wave self-adaptive unmanned ship, a self-adaptive control system and a control method.The wave self-adaptive unmanned ship comprises a main ship body, a front arch, a rear arch, a suspension system, a propelling nacelle, a rigid sliding plate and a buoy, the main ship body is connected with the rear arch and the front arch, and the rigid sliding plate is fixed to the buoy; the propulsion nacelle is installed at the tail of the rigid sliding plate, the rear arch and the rigid sliding plate are installed through two bearings perpendicular to each other, the suspension system comprises a rocker arm, a plate spring and a TPMLM actuator, the rocker arm is connected to the rigid sliding plate, the plate spring and the TPMLM actuator are connected between the rocker arm and the rigid sliding plate and support the rocker arm to be in an upward inclined posture, and the rear arch is connected to the rigid sliding plate. The front arch is connected with the rocker arm, the plate spring and the TPMLM actuator are installed in parallel in the vertical direction, the TPMLM actuator is used for outputting active control force for restraining movement of the ship body, and the unmanned ship, the self-adaptive control system and the self-adaptive control method have the advantages that wave loads can be actively counteracted, and therefore movement restraining is achieved.

A floating body for an offshore wind turbine includes: one first column; two second columns; two lower hulls connecting the first column to each of the second columns; and a beam member connecting the two lower hulls. The beam member is disposed within a height range between an upper surface and a lower surface of each lower hull.

The utility model discloses an unmanned ship rollover prevention device which comprises two rollover prevention assemblies of the same structure, the two rollover prevention assemblies are symmetrically and fixedly installed on the two side portions of a ship body, each rollover prevention assembly comprises an installation base, an extension module and a driving module, the installation bases are fixedly installed on the side portions of the ship body, and the extension modules are fixedly installed on the side portions of the ship body. A mounting groove is formed in the mounting base, one end of the extension module is fixedly mounted in the mounting base, the extension module is located in the mounting groove, and the driving module is mounted in the ship body and connected with the extension module; according to the anti-rollover device for the unmanned ship, the anti-rollover assemblies are arranged on the two sides of the ship body correspondingly, when the anti-rollover assemblies are unfolded, the buoyancy of the ship body can be effectively enhanced, meanwhile, the base contact area of the ship body and the water surface is enlarged, the overall supporting area of the ship body is enlarged, and the wind wave resistance is improved; the situation that the ship body rolls over due to overlarge storm waves is effectively reduced, then the safety of the ship body is effectively guaranteed, and the possibility that the ship body is damaged is reduced.

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.

The invention discloses a marine environment monitoring instrument, and belongs to the technical field of marine monitoring instruments, and the marine environment monitoring instrument comprises a buoy main body which is used for providing buoyancy to enable the monitoring instrument to suspend on the sea surface; the undersea monitoring mechanism is arranged below the buoy main body and is used for monitoring the marine environment; the reciprocating sliding table mechanism is arranged between the buoy main body and the undersea monitoring mechanism and comprises a sliding table capable of reciprocating in the vertical direction; the cleaning mechanism is arranged on the sliding table, surrounds the periphery of the undersea monitoring mechanism and is used for cleaning the outer surface of the undersea monitoring mechanism when the sliding table reciprocates; the reciprocating driving mechanism is arranged between the buoy body and the reciprocating sliding table mechanism and used for driving the sliding table to reciprocate in the vertical direction. The surface cleaning device can be used for regularly cleaning the peripheral surface of the monitoring instrument.

The application discloses a floating wind power roll damping system based on fan-geared coupling and a control method. The system comprises a fan rotor, a tower, a floating platform, a cabin and a double geared roll damping device. A sensor system is arranged on the top of the tower and the floating platform and is used for monitoring multi-degree-of-freedom motion data of the system. The data collected by the sensor is transmitted to a controller through a signal transmission device, so as to realize real-time monitoring and control of the rolling state of the system. The active precession control mechanism controls the rotation of the precession shaft according to the received servo motor driving torque control signal output by the controller, so as to realize the control of the precession motion of the geared rotor. The application further establishes a complete fan-geared coupling dynamic model and designs a control method based on multi-objective optimization. The PSO algorithm is used to simultaneously optimize the roll damping performance and the energy consumption index, and a complete Pareto optimal solution set is established. The method can realize the dynamic balance of the performance and the energy consumption.

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 provides a ventilation overflow method for oil tanks in a cabin area. The ventilation overflow method comprises the following steps that the number of ventilation pipes of all the oil tanks is determined; after the number of each oil tank vent pipe is determined, the pipe diameter of the oil tank vent pipe is determined according to the pipe diameter of the injection pipe; ventilating pipes with corresponding pipe diameters are led to a chimney trunk on a deck 1 from the top in each oil tank; a horizontal ventilation header pipe is arranged at the position of a chimney trunk on a deck 1, and ventilation pipes of all oil tanks are converged into the ventilation header pipe; an overflow alarm box is arranged on the deck surface 1; a discharge pipe is led to the bottom of the pipe section with the maximum pipe diameter of the ventilation main pipe to be connected to an injection port of an overflow alarm box below; the alarm overflow pipe is connected to the overflow cabin; the overflow alarm box is provided with an alarm vent pipe, and one path extends to the chimney top. A safe and feasible ventilation and overflow scheme is provided for the oil tank in the engine room area, ventilation is concentrated, arrangement of ventilation pipelines is reduced, overflow pipelines are ingeniously arranged, the overflow response time is prolonged, and the safety of a ship is greatly improved.

The utility model relates to the technical field of canoeing, in particular to a detachable canoeing balance wing rollover prevention device which comprises an installation rod, a sliding rail and a sliding groove are formed in the side wall and the bottom of the installation rod respectively, an installation plate is connected to the opposite end of the installation rod in a threaded mode, and a balance buoy is fixedly installed at the bottom of the installation plate. The fixing device and the synchronizing device are arranged at the opposite ends of the mounting rods respectively, the fixing device comprises a mounting frame, a first nut, a rubber pad, a second nut and a first screw, and the mounting frame is mounted on the outer walls of the mounting rods in a sliding mode. The flexible contact surface can absorb the deformation stress of the ship body, rigid abrasion or loosening is avoided, a double-fixing structure is formed by combining rigid locking of the second nut and the first screw, it is ensured that the mounting rod is stable after being adjusted, meanwhile, deformation in dynamic use is compensated, and the device is prevented from moving or falling off.

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 utility model discloses a rollover prevention device of an inflatable canoe, which relates to the technical field of inflatable equipment and comprises an inflatable canoe body, a built-in groove is arranged on one side of the inflatable canoe body, and a plurality of lower weight increasing block grooves with different sizes are arranged at the bottom end of the inflatable canoe body at the built-in groove. And the lower weight increasing block groove is used for placing weight increasing blocks with different weights. Through the lower weight increasing block groove and the upper weight increasing block groove, the effect of balancing the weight of users at the two ends of the inflatable canoe body is achieved. Weighing is conducted in advance, the weight increasing blocks are placed according to the weight difference, the weights of the two ends are basically equal, and the possibility of rollover can be effectively reduced. And after the weights at the two ends are balanced, the gravity center of the inflatable canoe body is more stable, linear sailing can be better kept in the driving process, and shaking and deviation are reduced.

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 provides a floating fan active ballast system and a control method thereof. The system comprises a sensing module, a control module, an execution module, a power supply module, a shore-based remote control module and a communication module. The sensing module collects platform attitude and in-cabin liquid level data in real time through a multi-redundancy sensor; the control module adopts a triple-redundancy architecture and generates a load adjusting instruction in combination with an intelligent algorithm; the execution module realizes accurate allocation of ballast water through cooperative operation of a redundant water pump and a valve; the power supply module adopts a dual-power design to ensure continuous power supply; the shore-based remote control module realizes remote monitoring and maintenance; the communication module guarantees data interaction and instruction transmission. The single-point fault resistance of the system is improved through multi-redundancy design, high-precision and quick-response attitude adjustment is realized by combining intelligent and adaptive control, and meanwhile, multiple operation modes are integrated, so that the reliability and safety of the system in a complex marine environment are ensured.

This utility model discloses a go-kart, relating to the field of go-kart technology. The go-kart includes a hull and an outer shell, connected by an upper and lower hull plate. The upper hull plate forms a passenger cabin, which includes a main seat. A windshield on the outer shell covers part of the passenger cabin and also houses a steering wheel, allowing users to easily operate the steering wheel from inside the cabin to control the go-kart's direction. Because a sealed cavity is formed between the upper and lower hull plates, extending from the bow to the stern, the go-kart utilizes this sealed cavity to generate sufficient buoyancy, ensuring stable floating on the water. Even in the event of an accidental capsizing, the sealed cavity reduces water ingress compared to foam-filled cabins, effectively preventing sinking and improving safety.

The present invention relates to semi-submersible vehicle useful in bad weather operation comprising: 1- Two buoyant tubes (2) with equipment for balancing ballast water and moving the vessel, including electronic equipment; 2 - Two solid ballast tubes (3), which are the heavy keel of the vehicle attached to each one of the hull (2), 3 - Horizontal and vertical interconnecting struts (5); 4 - Two payload capsules (1) which are detachable; 5 - Upper deck (6) including (A) navigation lights, (B) sensors, (C) floaters, (D) tanks vent heads and (E) engine intake and exhaust ports; and 6 - Small water plane area upper structure (4), linking the deck (6), buoyant tubes (2), transfer intake, exhaust (4A), and vent lines, as well as power and data lines.

The utility model discloses a combined ship which comprises a ship body and is mainly characterized in that detachably-installed connecting frames are arranged on the two sides of the ship body respectively, the connecting frames on the two sides of the ship body can be fixed into a whole through a front rod and a rear rod, the ship body is enclosed by the front rod, the rear rod and the connecting frames on the two sides, the front portion of the ship body is fixed to the front rod, and the rear portion of the ship body is fixed to the rear rod. The rear portion of the ship body is fixed to the rear rod, and a detachably-installed floating body is arranged below the connecting frame on each side. Therefore, the ship body can be combined with the floating bodies on the two sides into a whole through the front rod, the rear rod and the connecting frames on the two sides to jointly bear buoyancy, so that the floating stability of the ship is improved, and the ship body is prevented from rollover; meanwhile, the floating body is formed by sequentially splicing and combining the front floating body, the middle floating body and the rear floating body, so that great convenience is brought to a user to move and store; besides, a plurality of splicing holes are formed in the outer side face of the connecting frame on each side, the multiple combined ships are spliced into a whole through the splicing holes to jointly bear buoyancy, and then a floating platform capable of being flatly stressed is formed.

This invention discloses a lifting platform for offshore pile top construction, relating to the field of marine engineering technology. It includes a main structure with four lifting mechanisms movably inserted into its inner wall, and two drive mechanisms fixedly installed on the outer walls of each of the four lifting mechanisms. Each lifting mechanism includes a fixed pile. In this invention, after the device is started, the motor, through its shaft and transmission gear, enables two half-gears to rotate synchronously but in opposite directions, thereby sequentially driving the racks on the left and right sides to move, thus driving the platform to lift. The platform is secured by the cooperation between two types of metal locking blocks and positioning holes. Compared to traditional gear and rack locking structures, in harsh environments like the sea with high winds and waves, the locking blocks and fixing holes provide better resistance to external interference, ensuring the stability of the lifting platform. Furthermore, the structure is relatively simple and reliable, with a low failure rate, thereby improving construction safety.

The invention provides a dynamic submarine cable protection device and a construction technology thereof, the protection device comprises a plurality of cable stabilizing structures, the plurality of cable stabilizing structures are respectively connected to a plurality of trough sections of a dynamic submarine cable, and each cable stabilizing structure comprises an anchoring seat which is used for being installed on a seabed and is located below the trough sections; one end of the first connecting rope is connected to the anchoring seat, and the other end of the first connecting rope is provided with a connecting ring; a floating structure; one end of the second connecting rope is connected to the wave trough section, the other end of the second connecting rope penetrates through the connecting ring and is connected to the floating increasing structure, the two ends of the second connecting rope are both higher than the connecting ring, and the second connecting rope is driven by the floating increasing structure to pull the first connecting rope. According to the dynamic submarine cable protection device and the construction technology thereof provided by the invention, the floating increasing structure can increase the floating tension on the dynamic submarine cable moving downwards to avoid the situation that the dynamic submarine cable touches the bottom, and can increase the floating resistance on the dynamic submarine cable moving upwards to reduce the moving amplitude of the dynamic submarine cable, so that the protection effect on the dynamic submarine cable is improved.

The application discloses a variable structure high-speed trimaran, and belongs to the ship technology field. The trimaran comprises a main hull, a pair of sheet bodies and a pair of telescopic driving assemblies. The telescopic driving assemblies are fixedly arranged on a shape-keeping box body located on the outer side of the middle-rear superstructure of the main hull and are fixedly connected to the sheet bodies at movable ends. The telescopic driving assemblies are inclined to the outer side along the ship width direction. When the telescopic driving assemblies are retracted, the sheet bodies are folded and attached to the side edges of the main hull, so that the high-speed sailing requirement is met. When the telescopic driving assemblies are stretched, the sheet bodies are pushed to the waterline position obliquely downward to the outer side of the main hull, so that the trimaran shape is formed, and the low-speed high-stability requirement is met. The retraction and extension mechanism is arranged on the shape-keeping box body, so that the cabin space is not occupied. The telescopic driving assembly adopts an integrated frame structure, the driving rod only plays a telescopic role, the supporting rod has the functions of guiding and supporting the sheet body, and the structure is simple and reliable. The connection point position is optimized, so that the water power load is transmitted in the form of axial force, and the stress is reasonable.

The utility model discloses a kind of ocean engineering buoyancy operation platforms, including float, support column and operation platform, the left and right sides of the top of float are respectively fixedly installed with multiple support columns, operation platform is fixedly installed on support column, between the float and operation platform, and between the two support columns located at the same side adjacent slidingly installed with telescopic float block, telescopic device one end is connected with operation platform, the other end is connected with telescopic float block, to drive telescopic float block telescopic movement. By slidingly installing multiple telescopic float blocks between float and operation platform, each telescopic float block is driven telescopic by separate telescopic device, so that the buoyancy support of one side or one corner of platform can be individually carried out.

A motion absorbing system and method for a structure includes the coupling of a container to a structure. The container has a liquid disposed therein wherein a ullage is defined above a surface of the liquid. An elastic element is positioned in the liquid. The elastic element has a natural frequency tuned to damp motion of the liquid.

The invention discloses a suspension type charging device and an in-situ detection system thereof, and relates to the technical field of charging piles, the suspension type charging device comprises a charging pile body, a detection robot and a suspension bag; the detection robot is arranged at the bottom of the charging pile body in a detachable connection mode and used for walking on the seabed and conducting in-situ detection. The suspension bag is of an annular bag body structure and is used for providing buoyancy to enable the charging pile body to float on the sea surface or suspend at the water bottom; the charging pile body is fixed to the middle of the suspension bag and used for charging the detection robot. When the detection robot sinks to the seabed for in-situ detection, the detection robot is electrically connected with the charging pile body through the charging wire for charging; the technical effects that buoyancy adjustment is accurate, flexibility is improved, offshore attitude stability is improved, functions are diversified, and suspension stability is improved during offshore charging can be achieved.

The application discloses an anti-heeling pump with a blockage prevention function, and relates to the application field of the anti-heeling pump of a ship. The anti-heeling pump comprises a bidirectional axial flow pump, and a blockage prevention purification system is arranged on the side of the bidirectional axial flow pump. The blockage prevention purification system comprises a water inlet filter screen, a filtering mechanism, a flocculent filtering assembly and a coarse filter cylinder. The blockage prevention purification system is arranged at both ends of the bidirectional axial flow pump, and impurities in ballast water are filtered. When water in a right ballast water tank is transported to a left ballast water tank, the ballast water enters the water inlet pipe of the right blockage prevention purification system, is filtered by the water inlet filter screen, enters the axial flow pump, then enters the left blockage prevention purification system, and reversely flushes the water inlet filter screen of the left blockage prevention purification system. Subsequently, the ballast water is discharged from the water outlet pipe of the left blockage prevention purification system and enters the left ballast water tank. In the whole operation process of the pump set, the ballast water flowing through the axial flow pump is filtered by the water inlet filter screen, and damage of impurities to the pump body is reduced.

The utility model provides a multifunctional navigation aid device which comprises a navigation aid assembly, a duckweed assembly and a power assembly. The duckweed assembly comprises a cabin body, a duckweed assembly and a balance weight part, the duckweed assembly is movably connected with the peripheral side of the cabin body, and the balance weight part is connected with the bottom of the cabin body; the navigation aiding assembly is arranged at the top of the cabin body; and the power assembly is arranged at the bottom of the cabin body. The multifunctional navigation aid device not only can resist sea surface storm waves, but also can automatically return to the original position when position deviation occurs.

The present application relates to a wind turbine foundation, a wind turbine generator system and a control method. The wind turbine foundation is capable of being arranged in seawater and configured to support a tower, wherein the wind turbine foundation includes: floating bodies, wherein a number of the floating bodies is n, the floating bodies are arranged at intervals from each other, and lines connecting centers of the floating bodies form a polygon as a whole, where n≥3; connecting bodies, wherein a corresponding one of the connecting bodies is connected between every two adjacent floating bodies; wherein each of the floating bodies has a static chamber and a dynamic chamber that are independently arranged, a first medium is enclosed within the static chamber, each of the floating bodies is provided with a first opening connected to the dynamic chamber and a first control valve, and the first control valve controls opening and closing of the first opening to adjust a volume of the seawater entering the dynamic chamber. According to the wind turbine foundation, wind turbine generator system and control method provided in the embodiments of the present application, the wind turbine foundation has a fast response speed and a good stability effect.

The invention belongs to the technical field of offshore platforms, and particularly relates to a prestressed composite reinforcement-UHPC barrel raft foundation which is formed by mutually splicing a plurality of floating units, each floating unit comprises a supporting framework and a buoyancy barrel arranged below the supporting framework, and the supporting framework comprises a plurality of first supporting blocks and a plurality of second supporting blocks which are crisscrossed on the horizontal plane; the first supporting blocks and the second supporting blocks are detachably connected and jointly form a plurality of cavities in the same shape, reinforcing blocks flush with the upper surface of the supporting framework are arranged in the cavities, any adjacent reinforcing blocks jointly form a reinforcing piece, a plurality of connecting pieces are arranged at the intersection positions of the first supporting blocks and the second supporting blocks, and the connecting pieces are connected with the first supporting blocks and the second supporting blocks. The upper surface of each connecting piece is provided with a containing groove, the connecting pieces are detachably connected with the first supporting block and the second supporting block, and by the adoption of the technical scheme, the problems that an existing offshore platform is limited in use scene and single in function and cannot serve as an offshore floating airport can be effectively solved.

The invention relates to the technical field of ship emergency maintenance and structure reinforcement, in particular to a rapid leaking stoppage structure and reinforcement method.The rapid leaking stoppage structure comprises a leaking stoppage mechanism, the leaking stoppage mechanism comprises a leaking stoppage barrel arranged on the outer side face of a leaking hole of a ship body, a sealing ring is arranged at the end of the leaking stoppage barrel, and the leaking stoppage mechanism further comprises a positioning rod; the positioning rod penetrates through a leakage hole of the ship body, a strip-shaped opening is formed in the end of the positioning rod, a limiting rod is rotationally arranged on the inner wall of the strip-shaped opening through a damping rotating shaft, the limiting rod abuts against the inner side face of the ship body, and a sealing hole is formed in the end of the leakage stopping barrel. The inner wall of the sealing hole is in sliding connection with the outer surface of the positioning rod; through the arrangement of the leaking stoppage mechanism and the positioning mechanism, when leaking stoppage is carried out on the leaking position on the ship body of the sea loss ship, the purpose of quick leaking stoppage can be achieved, leaking stoppage can be carried out on leaking holes of different shapes, operation is convenient, and the leaking stoppage effect is remarkable.

The invention belongs to the technical field of sightseeing boats, and particularly relates to a high-safety clean energy sightseeing boat which comprises a boat body, a main deck and a watertight transverse bulkhead, and the main deck and the watertight transverse bulkhead are arranged on the boat body. A plurality of seats are arranged on the ship body, a driving device is arranged at the tail of the ship body and connected with clean energy located at the tail of the ship body, and a safety protection device is arranged on the side, facing the seats, of the clean energy. The safety protection device comprises at least two anchor type fixing points fixed to the ship body and an arresting cable, and multiple layers of flow guide type protection structures are installed on the anchor type fixing points. The clean energy sightseeing boat with the high safety has the effects that a protection device is arranged, and casualties of people on the boat are easily caused by explosion of natural gas.

A marine vessel and a method of operating the marine vessel. The marine vessel comprises a power generation system comprising a nuclear reactor and a generator. The nuclear reactor is coupled with the generator to generate electricity. The marine vessel may also include a propulsion system including an engine and a propeller that receives torque from the engine to move the hull through a body of water surrounding the hull. The marine vessel may be part of a temporary power system having a cable that electrically connects the generator with an onshore power distribution system. A plurality of buoys may support the cable between the marine vessel and the onshore power distribution system. A method of operating the marine vessel may include starting the nuclear reactor while the marine vessel is sailing and maintaining the nuclear reactor in a standby state.