371results about "Vessel cleaning" patented technology

The invention discloses a coating with in-situ plugging and active protection functions as well as a preparation method and application thereof, and belongs to the technical field of metal material surface treatment. An innovative electrolyte design scheme is provided, the commercial 5083 aluminum alloy is subjected to micro-arc oxidation in a phosphate system containing specific cerium salt and a complexing agent, film layer growth and in-situ chemical blocking of micropores are completed in one step, the process is simple, and the obtained coating has excellent blocking firmness and corrosion resistance, has an active protection function and is suitable for large-scale industrial production. And a new solution is provided for improving the durability of the 5083 aluminum alloy in a harsh marine environment.

A system and method for enhancing marine vessel efficiency through integrated hull optimizations is disclosed. The system includes automated bow thruster covers that reduce hull drag and condition water flow, coupled with strategically positioned air lubrication nozzles that create and maintain an air layer under the vessel. The bow thruster covers may be configured as circular doors or parallel panels, optionally incorporating air discharge ports or working in conjunction with dedicated air jets. An intelligent control system optimizes the integrated components using real-time sensor data and computational fluid dynamic analysis. The system modulates air distribution and cover positions based on sea conditions and vessel speed, maintaining optimal efficiency during operation. External surfaces may incorporate superaerophilic structures to enhance air retention and reduce drag. The comprehensive integration of these components provides improved hydrodynamic efficiency while maintaining full bow thruster functionality when required.

The utility model provides an anti-collision rubber fender, which belongs to the technical field of ship berthing protection and comprises a fender frame, a clamping seat, a limiting block, a D-shaped rubber fender, a clamping block, a butt joint block, a screw rod and a locking nut, the clamping seat is integrally arranged on the front face of the fender frame, the limiting block is integrally arranged on the front face of the fender frame and located on the side face of the clamping seat, and the D-shaped rubber fender is arranged on the butt joint block. The L-shaped clamping seats are arranged on the edges of the upper end and the lower end of the fender frame, the D-shaped rubber fender can be installed and in butt joint from the side faces of the clamping seats, and the clamping blocks at the upper end and the lower end of the D-shaped rubber fender are embedded into the clamping seats, so that the D-shaped rubber fender can be transversely and horizontally installed on the fender frame, alignment is not needed, and a single person can operate the fender frame. The D-shaped rubber fender is simple in structure and convenient to install, butt joint blocks on the inner side of the D-shaped rubber fender and limiting blocks on the side face of the fender frame can be fixed through screws and locking nuts, buckle type connection is adopted, the D-shaped rubber fender can be rapidly replaced, disassembled and assembled, and maintenance is more convenient.

This application provides a swimming pool robot, including a robot body, a filter, a control unit, and a moving mechanism. Operating environments of the swimming pool robot at least include a first operating environment and a second operating environment. The moving mechanism at least includes a first moving mechanism configured to drive the swimming pool robot to move in the first operating environment and a second moving mechanism configured to drive the swimming pool robot to move in the second operating environment. The first operating environment is an underwater environment. The second operating environment is a non-underwater environment. The control unit is capable of controlling, based on a current operating environment of the swimming pool robot, a moving mechanism corresponding to the current operating environment of the swimming pool robot to drive the swimming pool robot to move. According to this application, operating efficiency of the robot can be improved.

A mobile platform and a usage method for the mobile platform. The mobile platform comprises a platform body (10) and crawler mechanisms (20), wherein the crawler mechanisms (20) are provided on two opposite sides of the platform body (10); each crawler mechanism (20) comprises a plurality of chain links (26), each chain link (26) comprising a chain link base (2100) and a magnetic attraction module (2200); the chain link bases (2100) on the plurality of chain links (26) are connected end to end and form an annular crawler body (27), and the magnetic attraction modules (2200) are detachably connected to the chain link bases (2100); and a plurality of types of magnetic attraction modules (2200) are provided, and different types of magnetic attraction modules (2200) are configured to provide different magnitudes of magnetic attraction forces, such that the mobile platform can select, on the basis of different degrees of concavity and convexity of a working face (W), different types of magnetic attraction modules (2200) to be connected to the crawler body (27), and the magnetic attraction forces generated by the crawler mechanisms (20) can reduce the risk of the mobile platform falling off from the working face (W), and also enable the mobile platform to operate smoothly on the working face (W).

The invention belongs to the technical field of robots, and discloses a ship and bridge dual-purpose cleaning robot and a cleaning control method. The main body structure comprises a resistance reduction-propulsion integrated power system jointly formed by a fairing and a vector nozzle, a grading collaborative cleaning module jointly formed by a cavitation water jet module and a grinding cleaning module, an adsorption system and an auxiliary supporting module, and the auxiliary supporting module comprises a plurality of auxiliary supporting mechanical arms and is used for achieving the purpose of cleaning the water jet in a cleaning mode and an underwater swimming mode. By adjusting the position of a supporting point in real time, the device adapts to structural changes of ribs and bilges of a hull and is used for being matched with an adsorption system and a vector sprayer to form an alternate-cooperative dual-working mode, and different operations of vertical climbing and surface-changing movement are assisted to be completed. The device has multiple purposes, can continuously work on a ship body and a bridge pier, does not need to be modified or replaced by multiple machines, and reduces the comprehensive use cost. And meanwhile, multi-machine cooperation is supported, an efficient cluster cleaning mode is formed, and the operation efficiency and economical efficiency are further improved.

The invention discloses an underwater robot global positioning and trajectory tracking method based on a hull NURBS curved surface. The method comprises the following steps: firstly, constructing a hull NURBS curved surface model, and extracting differential geometric parameters including a curved surface basis vector, a curved surface normal vector, a curved surface first basic form matrix and a Cristomide symbol; then, on the basis of the differential geometry theory, according to the hull NURBS curved surface model, a continuous time nonlinear kinematics model is constructed; and finally, constructing an extended Kalman filter based on the continuous time nonlinear kinematics model. Based on an extended Kalman filter, fusing the multi-modal sensing data to perform global positioning, and obtaining a posteriori estimation state vector at the current moment; and performing curved surface trajectory tracking based on nonlinear model predictive control according to the posteriori estimation state vector at the current moment. The problem that the trajectory tracking precision is low or fails due to the fact that the robot is prone to accumulative drifting in positioning and cannot achieve global positioning in underwater, curved-surface, GPS-free and external-vision-free denial environments is solved.

A personal watercraft includes a watercraft body and a front bumper unit. The watercraft body includes a hull, a deck, and a gunnel line being a joint between the hull and the deck. The front bumper unit is attached to a front of the watercraft body. The front bumper unit has a front end located above and forward of the gunnel line in a side view of the watercraft body.

The invention relates to the technical field of corrosion prevention of marine equipment, in particular to a sacrificial anode for a dry-wet alternating and high-temperature environment and a preparation method and application of the sacrificial anode. According to the sacrificial anode, the composite material composed of the carbon nanotubes and the metal elements is added into the aluminum-based alloy, the microstructure of the aluminum alloy is improved due to the addition of the carbon nanotubes, the thermal stability of the anode is improved, surface activation of the anode is promoted, the phenomenon that the surface of the anode is crusting and even passivated due to the influence of high temperature and a dry-wet alternating environment is prevented, and the service life of the anode is prolonged. Meanwhile, good conductivity is maintained; and by optimizing the ratio of the carbon nanotubes to the metal elements, the anti-corrosion protection efficiency on a metal structure in a high-temperature and dry-wet alternating environment is enhanced. Therefore, the method is expected to be applied to ocean environments such as ocean crude oil ship ballast tanks, FPSO (Floating Production Storage and Offloading) ballast tanks and mobile oil production platforms. The preparation method provided by the invention is simple and convenient, has a good industrial application prospect, and can improve the production efficiency and reduce the environmental pollution.

The present invention relates to a fouling control coating composition comprising an anionic polymer, an amine cation, and less than 5% by weight of water, wherein the anionic polymer has one or more covalently bonded siloxane moieties, the amine cation is a protonated amine compound, the boiling point of the amine compound (before protonation) at atmospheric pressure is at least 100°C, and the molecular weight is at least 70.

The present disclosure provides an information interaction method, system, and apparatus, a storage medium, and an electronic device. The method includes: obtaining a type of a target environment in which a target robot currently operates, where the type of the target environment includes an underwater environment and a non-underwater environment; determining a target communication mode based on the type of the target environment, where the target communication mode is used to indicate a communication mode between the target robot and a charging station; and controlling the target robot to establish a communication connection with the charging station in the target communication mode and controlling the target robot to perform information interaction with a target terminal via the charging station.

A ship hull cleaning device based on tension-torque collaborative control relates to the technical field of marine equipment and ship maintenance. The device comprises a steel wire rope closed loop driving device, a cleaning unit and a measurement and control unit. The steel wire rope is output by the driving device on the first operation platform, passes through the ship hull side and the bottom, and then returns to the second operation platform through the guide pulley assembly to form a closed loop operation path; the cleaning unit comprises a cleaning brush disc driven by a waterproof motor, which moves along the closed loop path to clean the ship hull; the measurement and control unit comprises a tension sensor and a torque sensor, when the collected tension or torque data exceeds the threshold value, the main control chip controls the driving device to execute speed reduction, release the length of the steel wire rope or reverse shaking compensation, and maintains the stable force of the steel wire rope. The present application realizes continuous and stable cleaning of the outer wall and the bottom of the ship hull.

The present application relates to a kind of water environment pollution monitoring equipment and its use method, equipment includes floating monitoring station, solar panel is provided on floating monitoring station, the bottom of floating monitoring station is fixedly equipped with protection ring, the inside of floating monitoring station is provided with detection piece, the inside of detection piece is provided with cleaning unit, cleaning unit includes water tank, air pump, atomizing nozzle and scraping piece;Detection piece includes contact sensor and pumping mixed detector, water tank is arranged at the side of pumping mixed detector, air pump is arranged at the other side of pumping mixed detector;Atomizing nozzle is arranged in the inside of pumping mixed detector, air pump is fixed at the top of pumping mixed detector, water tank is communicated with atomizing nozzle;Scraping piece is driven to be connected with air pump, and scraping piece is used to clean the impurities attached on contact sensor.Compared with prior art, the present application has the advantages of data accuracy, equipment durability and field endurance capability.

In an acoustic positioning system that uses a receiver to determine the position of a pinger by receiving an acoustic signal transmitted by the pinger, the system aims to eliminate the deterioration of reception caused by changes in the relative position of the pinger to the receiver due to the pinger's movement, thereby maintaining a good reception environment. [Solution] The distance between the aerial drone 1A and the underwater drone 1B is sufficiently close, allowing the receiver 20 to receive the acoustic signal transmitted by the pinger of the underwater drone 1B well. If, as a result of the underwater drone 1B moving to the next inspection position, the distance between the receiver 20 of the aerial drone 1A and the underwater drone 1B exceeds the receivable distance, the aerial drone 1A moves to the vicinity of the underwater drone 1B's current position by navigating on the water or flying through the air. This brings the distance between the receiver 20 of the aerial drone 1A and the underwater drone 1B close enough that the receiver 20 can continue to receive the acoustic signal transmitted by the pinger 10 well.

The present invention relates to a floating device comprising a number of main floating bodies (1) configured to move a total of at least 80 cubic meters of water, a number of floating body supports (2) configured to join the number of main floating bodies (1) together, a number of columns (3) each having a first end joined to the main floating body (1) and a second end opposite said first end, a supporting covering (4) joined to the second ends of the columns (3) and having a surface of at least 100 square meters, at least one anchoring member (5) and a mooring structure configured to join the main floating body (1) and / or the number of floating body supports (2) with the anchoring member (5).

The utility model belongs to the field of ocean transportation technology relates to a kind of intelligent anti-collision early warning equipment when ship berthing, including transport ship, the transport ship outside is fixed with multiple groups of driving module, the utility model is cooperated by the use of protection component and damping component, so that when transport ship is berthed, by anti-collision block, transport ship is separated from wharf, the loss caused to wharf and transport ship when impacting is reduced, the protection shell is used to protect anti-collision early warning module, so that the device is protected during non-use, reduce the possibility of anti-collision early warning module damage or service life reduction caused by sea wind and wave, further, by the cooperation of spring telescopic link, limit bead, cooperation groove, the inside of protective door A is more stable and reliable in closed state, further increase the protection of protection shell to anti-collision early warning module, increase the practicability and reliability of device.

The application discloses a yacht side plate structure and a manufacturing method thereof. The yacht side plate structure comprises an outer side plate and an inner side plate. The bottom end of the outer side plate is connected with a yacht deck. The top end of the outer side plate is provided with a side gutter. The inner side plate is connected between the top end side gutter of the outer side plate and the yacht deck. The outer side plate, the side gutter of the outer side plate, the inner side plate and the yacht deck form a closed side cavity. The inner plate surface of the inner side plate is integrally provided with a reinforcing part. The welding amount is reduced, the surface of the inner side plate is kept flat, and the appearance of the yacht is improved.

Method for transferring fluid between a first offshore assembly located in a body of water and an assembly floating on the body of water, assembly and associated installation. The method comprises the following steps: installation and mechanical tensioning of a plurality of mooring lines (70) between the offshore assembly (12) and the floating assembly (16), each mooring line (70) having an active length (76) under mechanical tension between a first point and a second point; fluid connection between a first capacity (22) and a second capacity (44) via a fluid transfer system (64), and fluid transfer between the first capacity (22) and the second capacity (44); continuous measurement of the mechanical tension applied over the active length (76) of at least one mooring line (70);control, by a control system (62) of the active length (76) of at least one mooring line (70), to maintain the mechanical tension applied to at least one mooring line (70) within a predefined mechanical tension range. Figure for the abbreviation: figure 1;

The double-vision closed-loop self-adaptive cleaning brush disc system of the underwater cleaning robot comprises a robot body, and a driving unit, a height adjusting mechanism, a joint swing mechanism, a replaceable brush disc module and a structure supporting piece are integrated below the robot body. The driving unit adopts a servo motor in a watertight shell as a power source, the joint swing mechanism is located between a driving brush disc adapter plate and a brush disc, the driving brush disc adapter plate is hinged to a swing joint through a pin shaft, and the replaceable brush disc module is of a flange type quick-change structure. A base plate of the brush plate is made of a waterproof wood material, the height adjusting mechanism adopts an electric push rod as an execution element, and overall lifting of the brush plate assembly is controlled through a linear propelling stroke. The technical bottlenecks of an existing underwater cleaning robot in the aspects of precision, safety and multi-scene adaptability are solved, and an efficient, environment-friendly and intelligent solution is provided for application scenes such as ship maintenance and ocean platform cleaning.

An acquisition means 1213 of a terminal system 12 acquires, for each of a plurality of vessels, sample data indicating values of various parameters influencing the performance of the vessel during actual navigation, and extraction condition data indicating extraction conditions related to these parameters. An extraction means 1212 extracts, as a population from the sample data, sample data satisfying the extraction conditions indicated by the extraction condition data. A generation means 1215 generates statistical data indicating a statistic of the value of the parameter of interest indicated by the sample data related to the plurality of vessels included in the population. A display instruction means 1217 causes a display device 122 to display the statistic indicated by the statistical data. A user can understand from the statistical value displayed on the display device 122 how the performance of the vessel changes according to the difference in the value of the parameter of interest.

The ship anchor chain cleaning device comprises a first cleaning part, a second cleaning part, a third cleaning part and a fourth cleaning part, the first cleaning part and the second cleaning part are used for cleaning one section of an anchor chain, and the third cleaning part and the fourth cleaning part are used for cleaning the other section of the anchor chain; the first cleaning part and the third cleaning part walk in the length direction of the anchor chain in a stepping mode and clean one side of the anchor chain in the width direction of the anchor chain, and the second cleaning part and the fourth cleaning part walk in the length direction of the anchor chain in a stepping mode and clean the other side of the anchor chain in the width direction of the anchor chain. Therefore, the stepping walking design is matched with the sectional structure of the anchor chain, it is ensured that each section of the anchor chain can be fully cleaned and polished, the rust removal effect is improved, and missing cleaning or repeated cleaning can be avoided. Synchronous and alternate actions of the four cleaning parts can be preset through a program, manual intervention is not needed, the labor intensity and the safety risk of operators are reduced, and the device is particularly suitable for offshore cleaning operation of large anchor chains.

The invention relates to a ship rust removal device and ship rust removal equipment, and relates to the technical field of ship rust removal. The ship rust removal device comprises a mounting module used for being detachably connected with vehicle-mounted equipment; the multi-degree-of-freedom floating module is connected to the mounting module; the rust removal spraying disc module comprises a spraying disc body, one end of the spraying disc body is connected with the multi-degree-of-freedom floating module, a water return cavity is formed in the other end of the spraying disc body, and a sealing mechanism is arranged on the edge of the other end of the spraying disc body; the high-pressure water spray head is arranged in the center of the other end of the spray disc body and located in the water return cavity; the sewage recovery joint is arranged at the bottom of the spray disc body and is communicated with the water return cavity; wherein the multi-degree-of-freedom floating module is arranged to enable the rust removal spraying disc module to rotate left and right, rotate up and down and move front and back relative to the mounting module. The ship rust removal device is high in portability, can be well attached to the surface of a ship body, and is beneficial for avoiding pollution caused by the fact that waste water generated by rust removal splashes into the operation environment.

The application relates to the technical field of marine equipment, in particular to a high-strength integrated fender which comprises an outer rubber layer and an inner rubber core cylinder, the inner rubber core cylinder is coaxially arranged in the inner portion of the outer rubber layer, and foaming material is filled between the inner surface of the outer rubber layer and the outer wall surface of the inner rubber core cylinder; thickened cylinder ends are symmetrically arranged at the positions of the two ends of the inner rubber core cylinder, split metal plugs are arranged on the thickened cylinder ends, and a pressure boosting unit is integrated in the split metal plugs; the fender is softer during normal use, the buffering effect can be improved, when the fender is overloaded, the supporting force of the inner rubber core cylinder can be greatly improved, and the protection effect of the fender can be ensured.

This utility model discloses an unmanned surface vessel (USV) protection device, including a crash barrier structure installed on the USV. The crash barrier structure is equipped with several pushing and squeezing crash barriers. Each pushing crash barrier structure includes a hinged push rod structure hinged to a stop rod structure. The stop rod structure has several angled stop wheel structures installed on it. The push rod structure pushes the stop rod structure to flip so that the stop wheel structures roll against the edge of the mooring dock, preventing the USV from colliding with or scraping against the edge of the mooring dock. This structure provides protective mooring for the USV during berthing, increasing its safety.

The present application provides a kind of ship hull barnacle protection net.The support layer of the protection net is nanofiber membrane with micron pit array formed by laser etching, the inside is attached to the adhesive made of modified dopamine-acrylate copolymer, nano-silica, calcium alginate microspheres, chitosan, chitin nanofiber, lanolin and antioxidant, and the outside is compounded with stainless steel wire mesh.The present application realizes long-term inhibition of barnacles through the physical barrier of the hydrophobic support layer and the synergistic effect of the antifouling components in the adhesive without adding toxic antifouling agents, and has the characteristics of firm bonding, excellent mechanical properties, environmental protection and non-toxicity, effectively solves the problems of poor antifouling effect, insufficient bonding reliability and poor environmental protection of existing protection materials, and is suitable for barnacle protection of underwater parts of ship hull.

The application discloses a wall-climbing robot structure with a passive self-adaptive variable-curvature magnetic-conducting wall surface, which comprises a frame unit, self-adaptive moving mechanisms and a control box, wherein the two self-adaptive moving mechanisms are symmetrically hinged in copper sleeve mounting holes reserved on both sides of the frame unit; the wall-climbing robot structure is designed with self-adaptive wheel sets and a frame unit capable of self-adaptive deformation, so that the driving wheels and the driven wheels are always closely attached to the wall surface, the effective contact points of the synchronous belt wall surface are increased, the friction force is increased to prevent slipping, the safety of the robot in wall surface operation is improved, and the wall-climbing robot structure can also realize obstacle crossing, thereby ensuring the practicability of the equipment. In addition, the permanent magnets on the driving wheels and the driven wheels adopt an embedded permanent magnet mode, which avoids the problem of adsorption force deviation caused by the multi-hinge structure of the robot, and the structure is more compact. The arrangement of multiple groups of permanent magnetic adsorption elements enables the wall-climbing robot structure to simultaneously adapt to the concave and convex surfaces of a magnetic-conducting vertical surface.