2381results about "Special purpose vessels" patented technology

A system for a boat includes a first guideway installed under a main deck of the boat, a first battery pack coupled to the first guideway under the main deck, and a first actuator configured to move the first battery pack along the first guideway. A controller is electrically and / or signally coupled with the first actuator. A user input device is electrically and / or signally coupled with the controller. The controller is configured to control the first actuator to move the first battery pack along the first guideway in response to an input to the user input device so as to relocate the weight of the first battery pack under the main deck.

The invention relates to the technical field of ships, and discloses an ice flowing prevention device applied to a polar region ship moon pool, which comprises ice pushing manipulators, the ice pushing manipulators are arranged on the upstream and the downstream of the moon pool, and the ice pushing manipulators can push ice flowing to enable the ice flowing towards the moon pool to be far away from the moon pool; the underwater sound ice detector is mounted at the bottom of the ship, and the underwater sound ice detector can monitor position data of flowing ice in water relative to the ice pushing manipulator; the ice block crushers are installed at the positions, located on the upstream and the downstream of the moon pool, of the bottom of the ship, and the ice block crushers can crush flowing ice flowing to the ice block crushers; the ice stirring baffle is arranged at the bottom of the ship and located on the periphery of the moon pool, and when flowing ice flows through the ice stirring baffle, the flowing ice can be away from the moon pool along the outer surface of the ice stirring baffle; and the controller is electrically connected with the underwater sound ice detector, the ice pushing manipulator and the ice block crusher. Through the arrangement of the ice flowing prevention device, the flowing ice can be prevented from blocking the moon pool, and the flowing ice can also be prevented from colliding with underwater equipment.

The utility model relates to a submarine cable state on-line monitoring system, which belongs to the technical field of cable protection equipment and comprises a submarine cable temperature monitoring module, a submarine cable breakdown fault response module, a submarine cable surrounding environment monitoring module, a marine monitoring ship body, a submarine cable environment display module and a submarine cable GIS module. Two supports are fixedly installed at the top end of the marine monitoring ship body, and a wireless signal transceiver is fixedly installed at the top of the marine monitoring ship body. The device has the beneficial effects that the two U-shaped frames can be driven to move in the same direction or opposite directions through the rotation of the two-way screw rod, and then the canopy outside the U-shaped frames can be driven to unfold, so that each part on the marine monitoring ship body is prevented from being eroded by rainwater or severe weather, and the service life of the marine monitoring ship body is prolonged. And therefore, protection can be provided for components on the marine monitoring ship body, and the service life of the components on the marine monitoring ship body can be prolonged.

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

The invention 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.

The invention relates to the technical field of bridge underwater part detection, in particular to bridge underwater part detection equipment which comprises a mounting frame, a sealed waterproof shell is fixedly arranged at the upper end of the mounting frame, a lifting frame is hinged to one side of the lower end of the mounting frame, and floating cylinders are fixedly arranged on the two sides of the lower end of the mounting frame; a propeller is fixedly arranged at the rear part of the mounting frame, a detection mechanism is arranged at the lower end of the lifting frame, a wireless signal transceiver is fixedly arranged at the upper end of the sealed waterproof shell, and remote control is realized through the propeller and the wireless signal transceiver, so that the equipment can be autonomously navigated to a to-be-detected area, and the risk and cost of manual diving operation are reduced; the lifting frame adopts a multi-degree-of-freedom adjusting hydraulic cylinder, a motor I and a motor II, so that the position and angle of the detection mechanism can be flexibly adjusted to adapt to piers or underwater structures with different depths and different gradients, and the detection coverage rate and precision are improved.

The invention discloses a virtual accompanying test system for an unmanned surface vehicle, and relates to the field of unmanned surface vehicle testing, and the system comprises an integrated case, and a task scene simulation module, a sensor simulation module, a pose mapping module, a collision avoidance safety evaluation module and a test display control interface which are integrated in the integrated case. The task scene simulation module constructs a three-dimensional virtual test water area scene based on the static geographic information data, and is provided with a dynamic obstacle and a virtual unmanned ship; the sensor simulation module generates simulation data of the detected unmanned ship environment sensing sensor in the scene; the input end of the pose mapping module is connected with a position and attitude measuring unit which is externally arranged on the case and is arranged on the measured unmanned ship through a data bus, receives real-time position and attitude data of the position and attitude measuring unit, and drives the pose of the virtual unmanned ship to change; the collision avoidance safety evaluation module calculates a total safety evaluation score according to interaction data of the virtual unmanned ship and the dynamic obstacle; and the test display control interface is used for man-machine interaction, test process display and result display.

A hydrofoil vehicle comprises a frame and at least one foil. The vehicle comprises a moveable control surface configured to control a pitch of the vehicle, in use. A locking mechanism is provided for restricting movement of the control surface when the vehicle is not foiling, for example during launching. In examples, the locking mechanism activates automatically when the hydrofoil vehicle is not foiling. In examples, the vehicle is human powered.

An inflatable paddle board includes an inflatable body, a glue attaching layer, and a padding layer, the glue attaching layer is arranged between a top surface of the inflatable body and the padding layer, so as to reduce the occurrence of bulging and glue peeling, thereby improving the service life of the inflatable paddle board.

The present invention relates to a six-point truss-type sand pumping and lifting device for a mattress laying vessel. The device comprises a support assembly and six working assemblies. The six working assemblies are all slidably connected to the support assembly. Each working assembly comprises a moving assembly, a sand pumping assembly, and a lifting assembly. The sand pumping assembly and the lifting assembly are both connected to the moving assembly, and thus move and work by means of the moving assembly. The support assembly comprises two main beams. Two ends of each main beam are respectively connected to one main frame support leg. Two auxiliary beams are connected between every left and right main frame support legs. The moving assembly is slidably connected to the two main beams. Each auxiliary beam is connected to a hydraulic pump station, a frequency converter cabinet, and a cab. The present invention minimizes the labor intensity of operators and labor costs, and can effectively improve medium precision control, safety performance, and construction efficiency in the construction process.

The invention relates to the technical field of blue-green algae cleaning, and discloses a blue-green algae cleaning boat and a cleaning method.The blue-green algae cleaning boat comprises a boat body, a bearing frame, a cleaning assembly, a dumping and collecting box and a power supply driving assembly, and the boat is composed of two suspension bodies to improve buoyancy and stability. The bearing frame is located on the inner side of the ship body and provides a bearing area for installing the cleaning assembly and other related components. The cleaning assembly is located above the bearing frame and used for cleaning and conveying algae pollutants. And the dumping and collecting box is arranged at the tail end of the cleaning assembly and is used for receiving and storing the cleaned and conveyed algae pollutants. The power supply driving assembly provides assembly working power and supports work of the cleaning assembly. The small boat firstly runs to a preset position and is accurately positioned by additionally arranging a built-in navigation system. And after the blue-green algae arrives at the target area, the cleaning assembly starts to work, and the blue-green algae is removed from the water surface through a cutting and conveying mechanism and conveyed into a dumping and collecting box. The cleaned algae are directly conveyed into the collecting box through the conveying device, and the pollutant collecting process is completed.

An antenna arrangement for a watercraft is disclosed. In an embodiment, the antenna arrangement comprises a first antenna configured to wirelessly communicate with a wireless user device, the first antenna for securement to a top-side of a watercraft; a second antenna configured to wirelessly communicate with a wireless control unit, the second antenna for securement to an underside of the watercraft to place the second antenna in juxtaposed relationship with a third antenna of a wireless control unit; and a radio frequency (RF) transmission line conductively coupling the first antenna and the second antenna.

A water floating device is provided, which is provided with a floating element and a leaning element, they are detachably connected by a fastener. The fastener includes a fixed seat and an insertion end, the water floating device can be stored without releasing air after use. A height of the leaning element can also be adjusted by the fastener to achieve an effect of adjusting an appropriate height of the seating space for people of different body types. The present application provides multiple solutions for fastening the fastener, which can be connected by a rope body or fastened by a buckle. The axis of the fixed seat and the insertion end are locked; thus, they are both kept in a non-movable and in a rotatable state, which has advantages of quick installation / disassembly, good fastening effect, convenient adjustment, easy storage, and storage without releasing air.

Systems and methods are provided for assembling and installing multiple wind turbines from a single vessel. In general, different embodiments use wind turbine components on the vessel including blades, a nacelle assembly with a rotating hub, and a tower. A Turbine Installation Gantry System (TIGS) embodiment uses a gantry system with a truss substructure and at least one bridge crane on an elevated vessel for assembling the wind turbine blades on the vessel to a nacelle hub supported on the seabed. A Skidding Turbine Installation Crane (STIC) embodiment has a rotatable crane mounted on a skidding pedestal or cantilever structure, providing full access to the vessel deck and blades, and for bringing the assembled nacelle assembly outboard to assemble each blade. A Turbine Assembly Positioning System (TAPS) embodiment includes both a handling system and a crane mounted on a skidding cantilever structure for securing the blades to the assembled tower section and nacelle hub that are cantilevered outboard of the vessel by the handling system. The combination embodiment uses selected components and systems from the TIGS, STIC and TAPS embodiments to provide component and system redundancy and concurrent operation.

A storage and transportation apparatus is disclosed. The apparatus may include a base frame and a base plate attached to the base frame. The base plate may be attached to the base frame such that the base plate may be disposed parallel to a base frame plane. The apparatus may further include an inverted U-shaped handrail attached to the base plate. The handrail may include a handrail side portion and a handrail top portion. The apparatus may further include a support member attached to the base frame and the handrail top portion. The support member may be disposed at a predefined angle relative to the base frame plane. The apparatus may further include a deformable strap removably attached to the base frame and the handrail top portion. The apparatus may additionally include a J-bar that may be removably attached to the handrail side portion via a fastener.

The invention relates to the technical field of sludge sampling, and particularly discloses a reservoir sludge waterproof sampling device which comprises an equipment main body, a main rod is connected to the equipment main body, and a sampler is arranged below the main rod; the fan frame is arranged on the surface of the sampler, the fan frame rotates under the impact of water flow when the sampler descends in water, and the rotating speed of the fan frame is directly related to the descending speed; the speed monitoring assembly is connected with the fan frame and used for monitoring the rotating speed of the fan frame, the speed monitoring assembly comprises a delay trigger switch, and when the rotating speed of the fan frame exceeds a set threshold value, the delay trigger switch is triggered after short delay; the balance monitoring assembly is connected with the main rod and is used for monitoring whether the sampler is in a vertical state or not; by integrating a speed and balance monitoring system and adopting an adjustable balance plate, the falling process of the sampler is intelligently regulated and controlled, so that too fast falling and attitude instability can be effectively prevented, and the integrity of a sample is protected.

The utility model discloses bridge detection equipment based on an underwater robot, and belongs to the technical field of bridge detection equipment, the bridge detection equipment comprises a robot body, a mounting mechanism is mounted at the top of the robot body, the mounting mechanism comprises two groups of mounting racks, sliding grooves are formed in the two groups of mounting racks, and fixing plates are arranged at the bottoms of the two groups of mounting racks; a rotating groove is formed in the fixing plate, a two-way screw rod is installed in the rotating groove, the outer portion of the two-way screw rod is in threaded connection with two sets of moving blocks, a driving motor is installed at the other end of the two-way screw rod, and two sets of clamping mechanisms are arranged in the installing mechanism. When the device is used, detection devices of different sizes and sizes can be clamped more conveniently, the different detection devices can be installed in the installation mechanism, after detection is completed, rapid replacement can be conducted, and the efficiency of detecting a pile foundation at the bottom of a bridge underwater can be greatly improved.

The invention provides a leading pretreatment device for pumping and cleaning clustered marine organisms and floaters, the leading pretreatment device comprises a buoyancy platform, a butt joint structure, a controller and a dispersion assembly, a treatment cabin is arranged in the middle of the buoyancy platform, and the dispersion assembly is composed of a turbulent flow triggering assembly and a liquid spraying assembly; impurities are collected in a suction mode, the device is provided with self-buoyancy and a modular structure and can be rapidly in butt joint with a tail bag of an interception net, the optimal suction posture is achieved, and the core innovation of the device is that a dispersing assembly and a cutting device are sequentially arranged in the suction direction, material distribution is achieved through a rotating cylinder and a conical column, and high-frequency vibration and a reverse micro-impact mechanism are combined; the block mass structure is effectively damaged; by adopting the unique design of the fixed impeller and the rotary volute, an annular liquid curtain is formed when the barrel rotates, so that the winding property and the overall strength of disaster-causing objects can be reduced, the disaster-causing objects are more easily scattered and cut by subsequent components, the subsequent mechanical load is reduced, the problem of blockage of a flow channel is solved, and the energy consumption and the abrasion of equipment are reduced.

In one aspect, a wireless remote controller for a personal watercraft is provided that includes a watertight housing forming a watertight compartment. The housing includes a through hole extending through the housing from an upper side of the housing to a lower side of the housing. The remote controller includes a throttle interface removably attached to the housing such that the throttle interface is movable between a first position and a second position and at least a portion of the throttle interface positioned within the through hole of the housing. The remote controller further includes a sensor positioned within the watertight compartment of the housing to detect a position of the throttle interface.

A divider for positioning between a bottom surfboard and a top surfboard comprising: a divider base placed between a first and a second surfboard, the divider base being a flexible sheet; and a surfboard nose support attached to the divider base, the surfboard nose support being a padded support for providing protection for a nose region of at least one of the top and bottom surfboards.

The utility model relates to an aquaculture mesh cage depth adjusting device, and belongs to the technical field of aquaculture. The device comprises a cable take-up and pay-off mechanism arranged on a ship body, and a hoist rope connecting the cable take-up and pay-off mechanism and a culture net cage, wherein the cable take-up and pay-off mechanism controls the depth position of the culture net cage in seawater by tightening or loosening the hoist rope. The utility model provides a depth adjusting device for an aquaculture mesh cage, and aims to meet the requirements of cultured organisms in different seasons and environmental conditions by accurately controlling the depth of the aquaculture mesh cage in the sea, so that the culture efficiency and the product quality are improved. Specifically, by tightening or loosening the hoist rope, the aquaculture mesh cage can be adjusted to be located in water bodies of different depths, and then the growth environment of cultured organisms is adjusted.

The electric hydrofoil watercraft according to the invention provides detachable and hermetic electrical connection via contact pins for cables providing power to underwater propulsion means between above-water platform and one side of the mast and between the fuselage of the hydrofoil and the other side of the mast.

A reusable skid board may be used to tie down and secure air-drop loads. A reusable skid board may include a rigid polymeric body defining: a flat upper surface; one or more apertures at each side of the rigid polymeric body such that one or more cords are couplable to the one or more of aperture; and a bottom surface coupled to the top surface and defining an internal volume, wherein the rigid polymeric body includes rounded corners and edges and has sufficient buoyancy such that the rigid polymeric body can float without load in seawater.

The invention relates to the technical field of river dredging, and discloses a floating type river dredging device intelligent supporting structure which comprises a floating pontoon, the floating pontoon floats in a hardened river, hardened protection slopes are arranged on the two sides of the upper end of the hardened river, rail grooves are formed in the two sides of the upper end of the hardened river, and telescopic rods are arranged in the middles of the front side and the rear side of the upper end of the floating pontoon. The end, connected with the floating pontoon, of the telescopic rod is an extending end, a connecting plate is arranged at the upper end of the telescopic rod, a rolling wheel seat is arranged at the other end of the connecting plate, and rolling wheels located in the track grooves respectively are rotationally arranged in the rolling wheel seat. According to the intelligent supporting structure of the floating type river dredging device, river sludge is automatically and comprehensively cleaned at regular intervals without being influenced by the height of the water surface, the cleaned sludge is automatically cleaned and discharged out of a river from a pontoon, the cleaning efficiency is improved, and the situation that the sludge is accumulated in the pontoon and cannot be treated is avoided; and the cleaning work cannot be continuously carried out.

A sponson device attachable to a watercraft body of a jet propelled watercraft includes a bow sponson located forward of a center of gravity of the jet propelled watercraft. The bow sponson protrudes from the watercraft body in a right-and-left direction, and is movable to a first position and a second position to adjust a trim of the watercraft body during turning of the jet propelled watercraft.

Systems and methods for utility infrastructure condition monitoring, detection, and response are disclosed. One exemplary system includes a sensor package and a monitoring and control module. The sensor package includes a plurality of sensors such as, for example, an image sensor, a video sensor, and a LiDAR sensor. The sensors may each be configured to capture data indicative of one or more conditions (e.g., an environmental condition, a structural condition, etc.) in the vicinity of the utility infrastructure. The monitoring and control includes a detection module and an alert module. The detection module is configured to receive data captured by each sensor and, based on the captured data, determine one or more conditions in the vicinity of the utility infrastructure. The detection module may be configured to then, based on the determined conditions, provide an alert for the condition using the alert module.

A protective container for a surfboard is disclosed, wherein the protective carrying case includes a bag including one or more retaining elements, wherein the retaining elements include a plurality of microbeads and at least one vacuum port. A vacuum pump is able to withdraw air from within the retaining elements to compress the microbeads around the surfboard within the container, creating a conforming and protective fit around the board.

The embodiment of the invention relates to a suspension collaborative steering and fault-tolerant method for a wave adaptive unmanned ship, and the method comprises the steps: collecting the environment perception information and attitude data of the unmanned ship in real time, and carrying out the fusion processing, and generating a multi-source data matrix; pre-judging the front sea condition based on the multi-source data matrix, and when the sea condition characteristic parameters meet preset dynamic adjustment conditions, adjusting the expansion and contraction amount of each group of electromagnetic suspensions in a pre-judgment time window so as to form a draught gradient adapting to the sea condition change; when a steering instruction is received, the draft difference of floating bodies on the two sides of the unmanned ship and the thrust difference of propelling systems on the two sides are synchronously adjusted, so that the steering track is controlled, and transverse inclination of the ship body is restrained; in the sailing process, the working states of the electromagnetic suspension and the propelling system are monitored in real time, faults are classified, when it is detected that the execution units are abnormal, a fault-tolerant reconstruction strategy is triggered according to the fault types, and stress distribution or propelling thrust is reconstructed by locking abnormal parts and utilizing the remaining execution units, so that the sailing capacity of the unmanned ship is maintained.

The invention discloses a pile diameter adjustable offshore pile driving device, an offshore pile driving barge and a pile driving method.The pile diameter adjustable offshore pile driving device is characterized in that the pile diameter adjustable offshore pile driving device comprises a base plate, two pile column guiding mechanisms and a band-type brake mechanism, the two pile column guiding mechanisms are slidably installed on the base plate, and the band-type brake mechanism is arranged on the base plate; a guide space is formed between the two pile column guide mechanisms in a surrounding manner, and the pile column guide mechanisms are controlled to transversely move relative to the center of the base plate; and after the two pile column guide mechanisms finish preliminary clamping and positioning of the pile column, the brake mechanism can lock the pile column. And by adjusting the distance between the two pile column guide mechanisms, the width of the guide space can be adjusted so as to adapt to the pile diameters with different sizes.