3795results about "Passenger handling apparatus" patented technology

The invention relates to the technical field of ship roll-on and roll-off equipment, and discloses a large automobile roll-on and roll-off transport ship movable ramp and a mounting method.The large automobile roll-on and roll-off transport ship movable ramp comprises a first hinge mount, a first ramp joint is rotatably arranged on the first hinge mount, and a second ramp joint is arranged at the end, away from the first hinge mount, of the first ramp joint; the end, away from the first ramp joint, of the second ramp joint is connected with a third ramp joint, a second hinge seat is arranged on the surface of the upper end of the hull structure and located on the inner side of the first hinge seat, a hinge shaft is arranged on the second hinge seat, and the second hinge seat is rotationally connected with the end of the third ramp joint through the hinge shaft. According to the movable ramp of the large automobile roll-on-roll-off transport ship, by arranging the supporting assembly and pulling out the positioning plug pin, when the third ramp section is lifted, the sliding block can slide along the rail base, then the positioning pin is clamped into the positioning hole, it is guaranteed that the position of the sliding block is fixed, then the supporting rod can effectively support the third ramp section, and the requirement for safe passing of automobiles is met.

The invention provides a new class of transportation with a partially aerostatically supported ram air cushion ship (PASRACS) that can provide safe, fast, efficient global transport services with extraordinary comfort, luxury and amenities. The PASRACS employs inventive synergistic combinations of lift from aerostatic, aerodynamic, hydrostatic and hydrodynamic forces for different modes of operation ranging from a stationary floating configuration on a water surface, to flight in ground effect at high speed. A propulsion system can utilize hydrogen as an energy source driving fluid-dynamic thrusters, to enable zero carbon emissions operations. A transition method is provided for a PASRACS to transition from a floating mode to a takeoff mode to a flight in ground-effect mode in an inventive optimized manner. A transport method for multimodally transporting payload is provided with PASRACS vehicles and systems, with quick turn time operations enabled by the use of payload transfer transport modules and transfer vehicles.

The invention discloses a deep-sea self-expanding horizontal array acoustic subsurface buoy, which relates to the field of deep-sea underwater acoustic detection and comprises an expanding platform arranged at the top of the acoustic subsurface buoy, a subsurface buoy main body positioned below the expanding platform and an anchoring structure connected below the subsurface buoy main body, the subsurface buoy body comprises a buoyancy platform arranged below the unfolding platform and an equipment platform arranged below the buoyancy platform. The problem that a hydrophone linear array composed of a plurality of large-scale acoustic linear arrays is folded and automatically unfolded into a cross horizontal array is solved, and integration of a deep-sea acoustic emission system, an acoustic receiving system, an underwater acoustic communication system and an equipment supply system is achieved. The whole subsurface buoy can be quickly and conveniently released and recycled, and high-reliability anchor mooring is achieved.

The invention belongs to the technical field of marine seismic exploration, and discloses a submarine node laying device and laying method based on a wireless underwater robot. The seabed node laying device comprises a node laying control unit arranged on a node ship, a node matrix retracting and releasing unit arranged on the node ship, a node matrix used for filling an OBN and conveying the OBN to an underwater specified depth, and at least two wireless underwater robots used for carrying the OBN underwater and completing OBN laying. The node matrix is connected with the node laying control unit and a power supply system of the node ship through a multifunctional cable so as to realize data communication and power transmission; the node matrix is connected with the node matrix retracting and releasing unit through a steel cable so as to achieve underwater lifting and releasing of the node matrix. And the wireless underwater robot realizes data communication with the node matrix in a radio communication mode. By means of the device, the operation mode that double-node matrix alternate operation is adopted, and multiple wireless underwater robots throw nodes is adopted, and the OBN laying speed can be increased in a multiplied mode.

The utility model relates to the technical field of marine culture harvesting equipment, in particular to a double-body culture harvesting platform which comprises a left ship body, a right ship body, a connecting plate, a portal frame and a rope guide mechanism, the left ship body and the right ship body are distributed side by side, one end of the left ship body is connected with one end of the right ship body through the connecting plate, and the other end of the left ship body is connected with the portal frame through the rope guide mechanism. The other side between the left ship body and the right ship body is open and connected through a portal frame, a rope guiding mechanism for guiding a rope is installed on the portal frame, one end of the rope enters from one side of the rope guiding mechanism, and the other end of the rope extends out from the other side of the rope guiding mechanism and extends out from the lower portion of a connecting plate between the left ship body and the right ship body; the device has the advantages of simple structure, convenience in use, high stability, high culture harvesting efficiency and the like.

A method and system for discharge operation of a ship loader at a bulk cargo terminal. The method comprises: acquiring initial ship point cloud data; establishing a three-dimensional coordinate system, and acquiring an initial frame ship hold center line and a discharge planning point; continuously scanning a ship to be unloaded, acquiring real-time ship point cloud data, and acquiring a current frame ship center line and a normal vector of a ship deck on the basis of the real-time ship point cloud data; obtaining a real-time ship body deviation value on the basis of the current frame ship center line and the initial frame ship hold center line; obtaining a real-time ship body inclination angle on the basis of the normal vector of the ship deck; correcting coordinates of the discharge planning point on the basis of the real-time ship body deviation value and the real-time ship body inclination angle to obtain coordinates of a real-time discharge planning point, and acquiring coordinates of a current discharge point of a chute mechanism (5); a superordinate computer (1) controlling, on the basis of the coordinates of the real-time discharge planning point and the current discharge point, a ship loader to complete current discharge operation. The present application enables a ship loader to complete operation accurately, and enhances the safety and efficiency of operation of the ship loader.

The invention relates to an underwater robot take-up and pay-off device and a take-up and pay-off wave compensation method. The device comprises a cable storage winch, a wave compensation component, an A frame, a swing stopper, load equipment, an umbilical cable and a controller, and the umbilical cable is connected with the cable storage winch and the load equipment. The wave compensation component comprises a base, a swing support, a first driving component, a first guide wheel, a sliding base, a second driving component, a first force measuring shaft pin and a first encoder, the swing support is connected with the base, the sliding base slides along the swing support, and the first guide wheel is installed on the sliding base. The A frame is connected with a ship body and provided with a motion reference unit; the oscillation stopping device comprises a second guide wheel, a second force measuring shaft pin and a second encoder and is installed on the A frame. The load device is provided with an inertial measurement unit. Through the controller, based on intelligent switching of tension control and wave compensation modes, the first driving part achieves passive compensation, the second driving part adjusts the tension of the umbilical cable according to the heaving motion, and safe and efficient operation of equipment is ensured.

A system and method by which energy from ocean waves is converted into hydrogen, and that hydrogen is used to manifest electrical and mechanical energies by an energy consuming device. A portion of the generated electrical power is communicated to water electrolyzers which produce oxygen and hydrogen from water as gases. At least a portion of the generated hydrogen gas is transferred to a transportation ship via a hose-carrying, remotely operated (or otherwise unmanned) vehicle, and subsequently transferred to an energy-consuming module or infrastructure, where a portion of the hydrogen is consumed in order to manifest a generation of electrical energy, a mechanical motion, and / or a chemical reaction.

A solar boat for easy collection of spilled oil and garbage of the present disclosure includes a cabin unit, a boat body consisting of a pair of ship bottoms having a structure that is symmetrical left and right and spaced apart below the cabin unit, a solar panel unit provided above the cabin unit and configured to convert solar energy into electrical energy, a collection and transfer unit provided between the pair of ship bottoms, driven by the electric energy supplied from the solar panel unit, and configured to collect spilled oil and garbage into the inside of the boat body, a garbage storage unit, and a spilled oil storage unit, wherein the collection and transfer unit comprises a rotating conveyor belt, and an oil adsorption member and a collection member that are attached to and detached from the conveyor belt, and the solar boat for easy collection of spilled oil and garbage of the present disclosure has an effect of having excellent work efficiency by simultaneously including an oil adsorption member and a collection member that are attached to and detached from a conveyor belt and simultaneously proceeding with collection of spilled oil and collection of garbage on the water, and an effect of being able to separate the spilled oil from the oil adsorption member, the collection member, and the garbage and easily move the spilled oil to the spilled oil storage unit by including a steam spray nozzle configured to spray hot steam at the end of the conveyor belt.

A marine vessel designed for the collection, shredding, and pelletizing of oceanic plastic waste. The vessel uses renewable energy sources such as solar panels and wind turbines to power onboard systems, including AI-enhanced sensors that detect and target high-density areas of plastic debris. Once collected, the plastic is shredded and processed into uniform plastic pellets optimized for use in plastic asphalt production. The vessel also includes storage compartments for the pellets and a crane system for transferring containers filled with pellets to adjacent vessels or shore-based transport. This integrated system addresses inefficiencies in traditional ocean cleanup methods by enabling immediate onboard processing, reducing transportation needs, and repurposing plastic waste into a valuable industrial resource, while significantly minimizing environmental impact through sustainable energy use.

The invention discloses a steel pipe pile transporting and overturning system based on a self-elevating platform and a using method thereof. The steel pipe pile transporting and overturning system comprises a bottom plate, an overturning auxiliary mechanism and a supporting plate I; a bottom plate is arranged on a deck of the self-elevating platform, the bottom plate horizontally and longitudinally moves on the self-elevating platform through a moving assembly I, and the overturning auxiliary mechanism is arranged on the deck of the self-elevating platform relative to the left side of the bottom plate. A plurality of steel pipe piles which are horizontally and transversely arranged are sequentially arranged on a bottom plate in the longitudinal direction, each steel pipe pile is sequentially sleeved with a plurality of hoisting assemblies at intervals in the axial direction of the steel pipe pile, supporting plates I are arranged at the positions, corresponding to the hoisting assemblies, of the bottom plate, and the hoisting assemblies are supported on the corresponding supporting plates I; and the supporting plate I does horizontal transverse reciprocating motion through the moving assembly II, the left end of the steel pipe pile is inserted into the overturning auxiliary mechanism, and then the right end of the corresponding steel pipe pile is hoisted through a crane of the self-elevating platform to overturn the steel pipe pile. The transportation stability of the steel pipe piles is ensured, and the steel pipe piles can be overturned one by one.

The invention discloses a hierarchical cooperative motion control method for a ship dynamic positioning and wave compensation embarkation system. The method comprises the following steps: acquiring historical motion data of a ship; the historical motion data of the ship are fused, and the current ship posture and speed are obtained; the prediction model generates a predicted value of the disturbance of the ship in the future preset time; extracting to obtain a low-frequency slow drift motion component; the total output force of the thruster is calculated, and the ship dynamic positioning system controls the thruster to work based on the total output force of the thruster so as to compensate the low-frequency slow drift motion component; a Stewart platform in the wave compensation embarkation system controls supporting legs to work based on the target lengths of the supporting legs so as to compensate low-frequency motion left after compensation of the ship dynamic positioning system and high-frequency motion which is not compensated; and residual disturbance after the Stewart platform is compensated is compensated through the gangway ladder. According to the invention, an energy distribution mode that low-frequency disturbance is compensated by a ship dynamic positioning system and high-frequency disturbance is compensated by a wave compensation embarkation system can be realized.

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 provides a compensation control method and device for sea waves, electronic equipment and a storage medium, and relates to the technical field of artificial intelligence. According to the compensation control method for the sea waves, the expansion amount, the rotation angle, the pitching angle and the displacement amount of each driving cylinder are restrained through position data and posture data; therefore, precise control over the telescopic amount, the rotation angle, the pitching angle and the displacement amount of each driving cylinder is achieved. The method comprises the following steps: acquiring position data and attitude data of a ship body where a hybrid embarkation mechanism is located, and performing motion distribution on the expansion amount of each driving cylinder of a six-degree-of-freedom parallel mechanism on the hybrid embarkation mechanism and the rotation angle, the pitching angle and the displacement amount of a three-degree-of-freedom series gangway ladder, so that the hybrid embarkation mechanism is controlled in a data driving mode; the compensation precision of the sea wave compensation system of the series-parallel connection embarkation mechanism is improved, and the sea wave compensation system has high adaptability and can be applied to various series-parallel connection mechanisms of different types.

A system for removing contaminants from a body of water includes a vessel including floating contaminant cleanup and recovery equipment, that includes an intake port capable of removing contaminants from a body of water and transporting same to the vessel. The system may include a conveyor capable of removing contaminants from the body of water and transferring same to the vessel. The system also including lengths of a type of towable contaminant containment booms, connected to each side of the vessel. The system may include equipment having extendable, angularly positionable armatures, or telescopic cranes or tow boats, capable of positioning and maintaining the lengths of contaminant containment booms that are also connected to end portions of same, and extended outward in front of and off to each side of the vessel to gather and channel floating contaminants back to the intake port of the floating contaminant cleanup and recovery equipment.

The invention relates to a thermally insulated enclosure (1) comprising: a lid panel (3) and a bottom panel (2) spaced along a thickness direction (E) of the lid panel; side panels connecting the bottom panel and the lid panel along the edges of the bottom panel and the lid panel to form an interior space; a plurality of internal partitions dividing said interior space into a plurality of compartments (6); a first compartment of the plurality of compartments comprising an insulating lining filling said first compartment; the insulating lining comprising a fiber-reinforced polyurethane foam block (13) extending from the bottom panel to the lid panel and a first strip of a compressible insulating material (20) in the compressed state covering a lateral surface of the insulating block and capable of expanding to compensate for the contraction of the foam block. Figure for the abstract: 2

The invention relates to the technical field of unmanned ships, and discloses a novel wave-light complementary power generation-based multifunctional unmanned operation and maintenance ship, which comprises a ship body, an environment monitoring mechanism, an energy recovery mechanism, a full-rotation electric propulsion device, an unmanned aerial vehicle landing platform, an ROV automatic laying and recovery mechanism and an AUV automatic laying and recovery mechanism, the energy recovery mechanism comprises two clean energy power generation devices including wave energy power generation devices and solar power generation devices, the wave energy power generation devices are installed on the two sides of the ship body, the solar power generation devices are installed on a deck of the ship body, and clean energy is stored and redistributed through a storage battery in the cabin. An energy recovery mechanism of the device comprises wave energy power generation devices installed on the two sides of the ship body and a solar power generation device installed on the deck, comprehensive utilization of wave energy and solar energy can be achieved, the utilization rate of clean energy is increased, and the requirement for long endurance of the unmanned operation and maintenance ship is met.

The invention discloses a transverse wave motion compensation mechanism for an offshore platform personnel embarkation gangway ladder, which comprises an offshore platform fixing frame, an embarkation ladder and a ship body, the embarkation ladder and the ship body are arranged on the front side of the offshore platform fixing frame, and the front side of the offshore platform fixing frame is fixedly connected with a plurality of traffic ship berthing rubber fenders. By arranging a series of structures, the lifting gangway ladder can be conveniently and accurately compensated left and right in a mode that friction measurement is matched with active distance control driving when a ship body swings left and right, so that the lifting gangway ladder and the ship body move left and right consistently to form a relative static effect, and the phenomenon that people fall off easily due to large inertia caused by direct movement to static is reduced; a person can conveniently and stably climb to the lifting gangway ladder, the use stability is improved, hard impact force generated by instant movement can be conveniently and elastically buffered and unloaded during movement compensation, compensation work is more flexible and stable, discomfort is reduced, the comfort of the person during initial climbing is improved, and the service life of the person is prolonged. In addition, the buffering damping force and the elastic swing amplitude balance can be adjusted accurately, and the using effect is further improved.

The invention discloses water surface rescue equipment for fire rescue, and relates to the technical field of fire rescue, the water surface rescue equipment for fire rescue comprises a lifeboat, a tool box for placing rescue tools is arranged above the lifeboat, a rescue mechanism for rescuing people falling into water is arranged above the lifeboat, and a lifting assembly is arranged on the rescue mechanism. One side of the lifeboat is provided with a fixing mechanism used for fixing a person falling into water on one side of the rescue mechanism, a moving mechanism used for driving the person falling into water to move is arranged above the lifeboat, and the first escalator is put into water through the moving mechanism, so that the person with strength can pull the escalator and climb up the lifeboat by own hands; the first motor drives the first escalator to rotate and drives the balancing weight to move to the other side of the lifeboat at the same time, so that when a person falling into water climbs the lifeboat, the lifeboat cannot turn over due to overlarge stress on one side, and the person falling into water with poor physical strength or fuzzy consciousness can be rescued through the lifting assembly.

The invention relates to a device (20) for unloading and / or recovering an unmanned underwater vehicle from the water (30) onto a platform (24). The device comprises a boom (26), a cable winch (28) which is secured to the boom, and a multistage anti-sway system (32). The boom (26) is designed to project beyond the edge of the platform (24), the cable winch is designed to pull the unmanned underwater vehicle (22) substantially perpendicularly out of the water (30), and the multistage anti-sway system (32) is designed to reduce a swaying movement of the unmanned underwater vehicle (22) when the unmanned underwater vehicle (22) is completely suspended in the air on the cable winch (28). The boom (26) has a receiving area (41) for the unmanned underwater vehicle (22), and one stage of the anti-sway system (32) is designed to fix the unmanned underwater vehicle (22) in the receiving area (41).

The invention discloses a floating type photovoltaic power generation assembly transportation connecting device, and relates to the technical field of floating type photovoltaic power generation. Comprising a ship body, a ground rail, a cart and a fixing plate. And the connecting unit comprises a moving assembly, a plurality of groups of restraining assemblies, a plurality of groups of centering assemblies, a plurality of groups of fixing assemblies and a buffering assembly. The device has the beneficial effects that stable connection of the photovoltaic module in the process of ship transportation to the floating platform is realized, and the photovoltaic module is prevented from being damaged due to shaking caused by sea wave impact. In addition, multi-directional fixing of the photovoltaic module is achieved, and the stability and safety of the photovoltaic module in the transferring process are ensured. Moreover, the buffer assembly effectively absorbs and relieves the force possibly generated by rigid impact, further deepens the fixing effect on the photovoltaic assembly, and prevents the rigid impact.

The invention discloses a portable underwater vehicle throwing device which comprises a control device and further comprises a hoisting assembly (1), and the upper portion of the hoisting assembly (1) is used for being connected with a marine crane (9) for use; the lifting assembly (2) is detachably installed in the middle of the lower portion of the hoisting assembly (1), and the lower portion of the lifting assembly (2) is connected with an underwater navigation body (7) for use; the supporting assemblies (3) are symmetrically connected to the two sides of the lower portion of the hoisting assembly (1); the two ends of the upper portion of the supporting frame (4) are detachably connected with the lower portions of the corresponding supporting assemblies (3) through adapters (5) respectively; wherein the hoisting assembly (1) is wirelessly connected with the control equipment. The system is easy to operate, stable and reliable, pre-tightening constraint of the underwater vehicle can be stable and controllable in the using and releasing process, and the releasing function of the underwater vehicle can be conveniently and rapidly completed by controlling the middle remote control cordless detacher.

The invention provides a multifunctional lifesaving assembly for rescue, and relates to the technical field of lifeboats, the multifunctional lifesaving assembly for rescue comprises a pontoon, a traction assembly is mounted on the surface of the pontoon, the traction assembly comprises a driving table, the driving table is fixed in the pontoon, two groups of winding seats are symmetrically arranged at the top of the driving table, and traction ropes are wound on winding shafts of the winding seats; a climbing assembly is arranged on the side edge of the pontoon, the climbing assembly comprises a climbing frame, the climbing frame is connected to the side edge of the pontoon in a lap joint mode, and two sets of right-angle sliding rails are symmetrically installed on the surface of the climbing frame in a sliding mode. The first floating ring can pull a person falling into water to the position near a ship in a traction mode, the first floating ring and the second floating ring are combined and then are in butt joint with the right-angle sliding rail, the two floating rings extrude and wrap the waist of the person falling into water and assist traction to climb the ship, physical power consumption of the person falling into water is saved, meanwhile boarding is more convenient, and the person on the ship is prevented from being pulled into water.

The invention relates to the technical field of ships, in particular to a multipurpose ship which comprises a ship body provided with an exposed deck. The crane is arranged on the exposed deck, and the crane is located on one side of the ship body; the chimney is fixedly arranged on the exposed deck, and the chimney is located on the side, provided with the crane, of the ship body; the living building is fixedly arranged on the exposed deck, and the living building is located at the ship bow of the ship body; the cab is arranged at the top of the living building; the bridge assembly comprises a fixed section and a recovery section, the end, away from the recovery section, of the fixed section is fixedly connected with the side wall of the cab, and the recovery section can be unfolded or folded relative to the fixed section. According to the invention, the limitation of the bridge structure can be reduced, so that the cargo loading efficiency is improved, and the exposed deck area can be fully utilized.

The invention belongs to the technical field of anchor chain laying, and particularly relates to an anchor chain laying method applied to an offshore floating structure anchor chain. The anchor chain laying method is applied to an offshore floating structure anchor chain and comprises the steps that the whole anchor chain is arranged into at least one row in a preset operation area of an operation barge deck, each row of anchor chains are straightened and adjusted to be twisted, and a plurality of fixing devices are arranged at the two ends, in the bow and stern connecting line direction, of the preset area; adding color marks on the same side of the anchor chain; and a winch is used for carrying tension to enable the anchor chains to be sequentially lowered and laid on a seabed through a roller switch blade chain stopper, the winch is arranged at the position of a deck bow of the operation barge, and the roller switch blade chain stopper is arranged at the position of a stern. The anchor chain can be controlled to twist in the whole anchor chain laying process, and the construction quality and efficiency are greatly improved.

A cable-driven foldable and deployable capturing mechanism for launch and recovery of an unmanned underwater vehicle, comprising a bendable mechanism, a synchronous opening and closing mechanism, and a steel wire cable guide driving mechanism. According to the bendable mechanism, a distal section (1), a middle section (2) and a proximal section (3) are connected by means of a connecting rod transmission assembly to achieve bending movement. To further enlarge the grabbing range of the capturing mechanism, the synchronous opening and closing mechanism is introduced, and the mechanism is provided with three sets of folding and deploying branches which are symmetrically and evenly distributed and the steel wire cable guide driving mechanism; under the action of a linear electric push rod (101), only a single degree of freedom is required to achieve two-stage folding and deploying movement of synchronous bending and approaching, and on the basis of the dual movement characteristic, the operation of grabbing and locking the unmanned underwater vehicle is completed. A separation and unlocking action is completed by gradually releasing the elastic potential energy accumulated by deformation of a torsion spring (8) in a grabbing and locking state, so as to implement the launch of the unmanned underwater vehicle. The cable-driven foldable and deployable capturing mechanism for launch and recovery of an unmanned underwater vehicle has a flexible driving mode, can capture unmanned underwater vehicles of different models, has high universality, and can implement fast, accurate and stable launch and recovery operations.

The utility model relates to a light large-span wave compensation type seaborne lightering device which comprises a mechanical body, a hydraulic system and an electric control system, and the mechanical body comprises a container type base, an anti-swing base assembly, a rotary tower body assembly, an arm frame assembly, a working basket assembly, a winding and unwinding winch assembly and a variable-amplitude oil cylinder. The container type base is connected with a ship body base, and the anti-swing base assembly is connected with the container type base through a fastener and a thrust block. The slewing tower body assembly is connected with the anti-swing base assembly through a slewing support; the arm support assembly is connected with the slewing tower body assembly through a variable-amplitude oil cylinder and a pin shaft assembly; the working basket assembly is connected with the arm support assembly through a variable-amplitude oil cylinder and a pin shaft assembly; the winding and unwinding winch assembly is installed at the lower end of the boom assembly. The hydraulic system is connected with the anti-swing base assembly, the rotary tower body assembly, the arm frame assembly, the working basket assembly, the winding and unwinding winch assembly and the variable-amplitude oil cylinder. The electric control system is connected with the hydraulic system. The maritime lightering device has high environment self-adaptive capacity and high reliability.

The invention relates to a pneumatic cable throwing device applied to an underwater vehicle and a cable throwing method. The cable throwing device comprises a buoy, a gas cylinder, a shell, a cable, a release cavity, a base and a compressed air storage cavity. A buoy, a gas cylinder and a base are sequentially installed in an inner cavity of the shell from top to bottom, the bottom of the buoy and the top of the gas cylinder form a closed release cavity, a compressed air storage cavity is formed in the gas cylinder, the cable is arranged between the inner surface of the shell and the outer surface of the gas cylinder, one end of the cable is fixedly connected with the buoy, and the other end of the cable is fixedly connected with the base. Compressed air is stored in the compressed air storage cavity before the device works, the compressed air enters the release cavity and generates thrust on the buoy during working, the buoy drives the mooring rope to be ejected and thrown out, and the buoy floats on the water surface at a long distance. The cable throwing device has the advantages of being high in integration degree, stable in function, long in cable throwing distance, high in safety, wide in application range and the like, and the recycling requirement of the underwater vehicle under the complex sea condition can be well met.

The invention relates to a liquefied gas storage device, comprising: a support structure (1); a sealed and thermally isolated tank; and a dome structure (25) comprising: an inner barrel (29) passing through an aperture (27) formed in the support structure (1); -an outer barrel (26) arranged around the barrel (29), the outer barrel (26) being fixed to the support structure (1) around an annular portion (34) of the support structure (1); and-a secondary discharge duct (61) formed in the secondary space (52); wherein the annular portion (34) of the support structure (1) comprises a plurality of through-openings (38) distributed around the annular channel portion and allowing gas to flow from the secondary thermal insulation barrier (12) to the secondary space (52).