514results about "Waterborne vessels" patented technology

The utility model relates to the field of water body garbage cleaning, concretely to a kind of spraying and killing device for cleaning boat, and killing device is arranged on the ship body, the rear cabin device is arranged on the top of the ship body, and the front cabin device is arranged in front end;The killing device includes spraying component and injection component, the spraying component is arranged at rear cabin device and front cabin device, and the injection component is arranged in the front end of ship body.Killing is carried out in front cabin device and rear cabin device by spraying component, and pathogen can be inactivated quickly when garbage is collected, prevent operating personnel from contacting infection, and avoid pollution water area to cause disease transmission;Killing is carried out when temporarily storing in rear cabin, can delay the corruption process, control the smell diffusion, reduce the influence to surrounding environment and air quality;Killing is carried out by injection component when garbage is unloaded and transported, can avoid the risk of breeding of disease vector in disposal environment, avoid that garbage temporary storage point becomes pollution source, and provide sanitary basis for garbage resource utilization simultaneously.

This invention discloses a method for constructing cryogenic pipe units for LNG carriers. The method involves fabricating a jig with equal-height jig columns, assembling the lower frame on the jig, installing unit columns between the jig columns on the lower frame, hoisting the lower frame onto a platform equipped with multiple lifting piers, adjusting the height of the lifting piers to ensure the lower surfaces of the lower frame are on the same horizontal plane, and installing outfitting within the lower frame. The upper frame is then assembled on the jig, and outfitting within the upper frame is installed. The assembled upper frame is hoisted onto the platform and joined with the lower frame to form a unit frame. Outfitting is then installed to align the outfitting within the lower and upper frames, ensuring the unit columns are staggered between the jig columns and the lower frame. This method requires only cutting jig columns of equal length, reducing construction difficulty, improving cutting efficiency, and enabling layered construction of unit frames, thus increasing jig utilization, shortening the production cycle, and saving production costs.

The invention relates to a method for operating a mobile tank system (1) for a fuel gas, in particular for hydrogen or natural gas, comprising at least one pressurized gas container (2) in which the fuel gas is stored under pressure, and a control unit (3) with the aid of which sensor data from at least one sensor (4) installed in the tank system (1) are read and evaluated. According to the invention, in phases in which the tank system (1) is out of operation, the control unit (3) is temporarily activated via an implemented wake-up function and used to carry out a leakage test.

The application provides a kind of epoxy resin glue machine full life cycle management method, system and device for ship, method includes the following steps: install multiple data acquisition devices on epoxy resin glue machine;Synchronous acquisition of the original data of multiple data acquisition devices;Signal conditioning is carried out to original data to obtain conditioning data;Time-frequency conversion is carried out to conditioning data, time-domain signal is converted into frequency-domain signal, and characteristic data representing the state of epoxy resin glue machine is extracted;Based on the comparison of characteristic data and preset threshold, the running state of epoxy resin glue machine is judged, and early warning information is generated when abnormal. It can effectively carry out accurate early warning on failure, and avoid relying on point-by-point detection by artificial.

This invention discloses a passive buoyancy compensation method using gas-liquid mixing for profiling buoys, belonging to the field of buoyancy adjustment technology for marine observation buoys. This method constructs a passive buoyancy compensation system containing gas and liquid chambers, and adjusts the gas-liquid volume ratio to achieve linear and continuous adjustment of the system's equivalent compressibility coefficient, dynamically matching the compression characteristics of seawater at different depths. A mathematical model of the overall force on the buoy is established to determine system design parameters. Sensors are deployed to collect buoy depth and axial acceleration data, calculate motion parameters, predict and estimate the depth, and compare it with the target depth. When the deviation threshold is exceeded, an active fine-tuning judgment process is initiated. Active adjustment is disabled during the inertial-dominated phase, and during the non-inertial phase, the controller sends a fine-tuning command to the active buoyancy system to execute reverse buoyancy adjustment. The passive buoyancy compensation method using gas-liquid mixing provided by this invention can achieve low-power buoyancy control with passive adjustment as the primary method and active adjustment as a secondary method, effectively extending the underwater operational life of the buoy.

The utility model relates to hydrophone technical field, concretely is a kind of hydrophone's positioning buoy, the utility model includes float, the top of float is equipped with solar panel and antenna, the top of float is fixedly installed with light transmission cover, the bottom of float is fixedly connected with waterproof cover, waterproof cover and light transmission cover are all half-round design;The inside of waterproof cover is installed with MCU, power, power management module and communication module, the positioning buoy of hydrophone proposed in the utility model, solar panel is charged for the power supply inside buoy, and charging management is carried out through power management module, the sustained operation ability of equipment is guaranteed, while installing SD card in waterproof cover, when communication signal interruption, local storage hydrophone's data and positioning information of acquisition are retransmitted after signal recovery, prevent data loss, ensure the complete transmission of hydrophone data.

The application discloses an unmanned ship water area cleaning system, which comprises a master control ship, at least one pair of auxiliary ships and a trawl device.The master control ship is provided with a first positioning module, a first navigation module, a central control module, a first power module and a master control ship body, and a collecting opening is formed in the front of the master control ship body, and a garbage storage cabin is arranged on the master control ship body and communicated with the collecting opening.The auxiliary ships are located in front of the master control ship running route, and are in communication connection with the master control ship, and are provided with a second power module and a second positioning module.The trawl device is connected between each auxiliary ship and the master control ship, and comprises a buoyancy member for keeping the trawl device at least partially above the water surface and a filter screen connected below the buoyancy member.The application adopts the operation mode that the master control ship cooperates with the pair of auxiliary ships, the path is planned uniformly by the master control ship, the pair of auxiliary ships are in front, the master control ship is in back, the garbage on the water surface is gathered in the filter screen through the trawl device, and is finally collected into the garbage storage cabin of the master control ship.

To provide a float system capable of suppressing an occurrence of collision between a float and its outside wall when the float is moored on water through a mooring member.SOLUTION: In a floating system provided with a float aggregation and a mooring member, the float aggregation is configured to float on water, and the mooring member is configured to moor the float aggregation on water by connecting the float aggregation to the water bottom and land, so that the slack amount varies according to variation in water level.SELECTED DRAWING: Figure 2

This utility model discloses a sewage monitoring device for municipal engineering, including a float. A bottom trough is located in the lower center of the float, and a submersible monitoring instrument is installed inside the bottom trough. A protective plate is fixedly connected to the top of the float, and a solar panel mounting frame is installed above the float. Multiple solar panels are mounted on the solar panel mounting frame. This utility model features a limiting seat, an internally sliding rising support rod, and a sinking pull rod. Combined with the liftable solar panel mounting frame, the submersible monitoring instrument, and a counterweight battery, the solar panels can be raised away from the water surface by the sinking of the submersible monitoring instrument under the action of a pull rope and pulley. This avoids damage to the solar panels due to prolonged submersion. Simultaneously, as the water level rises, the rising of the float also causes the solar panels to rise away from the water surface, allowing for self-adjustment within a certain length and reducing the impact of extreme weather on the device.

This invention discloses an adaptive torque threaded connection anti-loosening mechanism for a traffic light spindle, comprising a lamp holder body, a signal sign body, a spindle seat body, a lower spindle body, an upper spindle body, and a tower-shaped spring. The beneficial effects of this invention are: during assembly and tightening, the lower section of the lower spindle rotates relative to the inner circumferential wall of the spindle seat, forming an adaptive torque threaded connection. The tightening torque is adaptively constant and no longer increases, protecting the threaded connection from failure due to excessive tightening torque.

The present application belongs to the technical field of automatic control of ships, and in particular to a kind of electric hydrofoil ship navigation state monitoring and adaptive control method and system, comprising the following steps: multi-source data acquisition, real-time acquisition of inertial navigation data of hydrofoil ship, hydrofoil fluid dynamics data, water surface relative distance data and real-time working condition data of main power system;Multi-source data fusion and attitude solution, based on the inertial navigation data, and using the hydrofoil fluid dynamics data and the water surface relative distance data for compensation correction, the high-precision real-time attitude information of the hydrofoil ship is solved;Through the fusion of inertial measurement unit, current meter, water surface sensor, propeller working parameter and other multi-source sensing information, combined with adaptive data fusion algorithm and multi-modal state evaluation model, the overall monitoring and hierarchical control of hydrofoil ship navigation state are realized, and the stability, safety and energy efficiency of hydrofoil ship under full speed domain and multiple sea conditions are improved.

The present disclosure provides a satellite altimetry data on-orbit geometric verification method, device, equipment and medium, wherein the method comprises: screening the effectiveness of a plurality of buoys in a buoy array, determining a plurality of target buoys, and forming a target buoy pair with any two target buoys; for each target buoy pair, determining the double-difference residual corresponding to the target buoy pair; for the baseline length between the two target buoys in each target buoy pair, based on the number of target buoy pairs matched with the baseline length and the double-difference residual corresponding to the target buoy pairs matched with the baseline length, determining the semi-variogram value corresponding to the baseline length; based on each baseline length and the semi-variogram value corresponding to each baseline length, separating the satellite instrument noise floor variance and the geophysical environment error variance, realizing variance coupling, thereby accurately determining the noise floor of the satellite instrument and improving the accuracy of the verification result.

The application discloses a lifting protection mechanism for a water source monitoring device of an ecological protection zone, both ends of the protection cylinder are designed as openings, and protection nets are fixed in the openings; rotating pieces are rotatably installed between the two groups of protection nets through bearings; the upper and lower ends of the rotating pieces pass through the protection cylinder and are located above and below the protection cylinder respectively; water quality monitoring structures for water quality monitoring are installed on the rotating pieces; an upper cleaning structure for cleaning the upper protection net is installed at the upper end of the rotating piece; and a lower cleaning structure for cleaning the lower protection net is installed at the lower end of the rotating piece. The lifting structure is arranged to drive the protection cylinder to slide up and down along the guide column, and the timing forward and reverse rotation control of the driving motor can make the protection cylinder be at different depths underwater at different time periods, so that multi-dimensional monitoring of the vertical section of the water body is realized.

The application belongs to the technical field of ship manufacturing, and discloses a marine underwater observation device and a ship. The device comprises a support structure, a fairing, an underwater camera and a camera collecting end. The support structure is provided with the fairing on the lower side, and the underwater camera is arranged in the fairing. The underwater camera is electrically connected with the camera collecting end. The support structure and the fairing are arc-shaped or conical near the bow side. The device solves the problem that personnel cannot directly observe the working state of the propeller in the prior art, so that data cannot be collected.

The utility model provides a kind of floating suspension wheel and walking chassis assembly, floating suspension wheel includes floating drive wheel and floating suspension mechanism, floating suspension mechanism includes floating mounting plate, suspension oil cylinder and first drive wheel mounting plate, the cylinder body and piston rod of suspension oil cylinder are respectively hinged with floating mounting plate and first drive wheel mounting plate, floating drive wheel is installed on first drive wheel mounting plate, floating drive wheel is up and down floatingly installed in floating mounting plate by first drive wheel mounting plate and suspension oil cylinder, realize the up and down floating of floating drive wheel, then floating drive wheel can self-adapt ground uneven, floating drive wheel and ground always keep reliable contact, avoid walking chassis assembly to go skew. The cylinder body of suspension oil cylinder and floating mounting plate in the application, and the piston rod of suspension oil cylinder and first drive wheel mounting plate are hinged structure, leave adjustment redundancy space, allow the adjustment of each component of floating suspension mechanism when installing, improve assembly accuracy.

This utility model discloses a multi-purpose measuring auxiliary tooling for crude oil tankers, relating to the field of ship section construction technology. It includes a main body, a fixing component mounted on the main body, and a plumb bob for vertical alignment with ground markers. The main body has a socket for inserting panels, and one side wall of the socket has a positioning plane. After the panel is inserted into the socket, the positioning plane abuts against the surface of the panel. The fixing component secures the main body to the panel after insertion, and the plumb bob's line passes around the main body, suspending the plumb bob in the air. This utility model features a socket for inserting panels on the main body, a positioning plane on one side wall of the socket for abutting the surface of the panel, and a fixing component to secure the main body to the panel after insertion. Alignment with ground markers is achieved using a plumb bob. This application facilitates adjustment and positioning, thus improving production efficiency.

The utility model discloses a kind of ship outfitting with positioning function, belong to ship outfitting technical field, including connecting plate, the upper surface of connecting plate is respectively fixedly connected with controller main body and baffle, the upper surface of connecting plate is equipped with sliding slot, the inside of sliding slot is slidably connected with two sliding blocks, the inner wall of sliding slot is rotatably connected with threaded rod.The ship outfitting with positioning function, by setting controller main body, fixing frame, electric push rod, screw rod, fixed base, first driving motor, gear and toothed belt, can be accurately positioned clamping to irregular workpiece, and further improve the application range of device, by the work of first driving motor drives screw rod rotation, screw rod rotation drives gear rotation, the rotation of gear drives two screw rods to rotate under the transmission effect of toothed belt under the support effect of fixed base, screw rod drives two fixing frames to approach each other, then again using electric push rod realizes to irregular workpiece and is fixed.

The utility model provides a kind of high sealing salt fog resistant marine LED three-proof lamp, it is related to LED three-proof lamp technical field, including lamp holder, the inside front end of lamp holder is equipped with several LED lamp tubes, the rear side of lamp holder is equipped with placing groove, the inside installation of placing groove is equipped with connecting mechanism, the front end of lamp holder is equipped with lampshade with clamping installation.The utility model is through the double-layered design of first sealing gasket and second sealing gasket, forms physical barrier at wire connection, the cable of first wire and second wire is clamped between first sealing gasket and second sealing gasket, effectively prevents salt fog, water vapor from invading the inside of storage box from connecting slot gap, avoids wire joint to cause oxidation or short-circuit failure due to salt fog corrosion, while the sealing effect between lampshade and lamp holder by third sealing gasket, to form the multilayer protection system of electrical connection to the whole lamp, significantly improve the durability of lamp in high salt fog, high humidity marine environment.

The application discloses a paddleboard multifunctional integrated platform and belongs to the field of water leisure equipment. In view of the problems of scattered accessories, the need for destructive modification, the overall failure caused by single battery failure and the like, the application provides a detachable main body which is assembled by an integrated base, a battery box and multifunctional fixed profiles and serves as a bearing and power supply control center. The bottom of the battery box is provided with a special connecting piece which is integrally formed to match the original slide groove of the paddleboard, so that lossless positioning is realized. The battery system is provided with a BMS and a fault isolation circuit, so that damaged units can be accurately isolated to maintain power supply. Meanwhile, the platform is also provided with a propeller, a balance float and a retractable wheel rack. The application does not need to modify the paddleboard, and significantly improves the integration, safety and on-land transfer convenience of the equipment.

A power take-off device for use in a wave energy converter unit has a power take-off hull connectable to a mooring device and connected to or connectable to the buoy, and a power extracting device connected to the power take-off hull. The power extracting device is adapted to extract power as the buoy moves with the waves, by applying a control force within a predetermined range. The power take-off hull has a first shell movable relatively to a second shell, and the first and second shells together define an inner volume. A seal is provided to separate the inner volume from water outside of the power take-off hull, and the differential pressure between water surrounding the power take-off hull and the inner volume provides a nearly constant pre-tension force from the first and second shells being pushed together by surrounding water pressure.

This invention provides an intelligent detection system for four types of ship-related problems, comprising an integrated detection device and a fault detection subsystem. The fault detection subsystem includes: a detection execution module, which receives and parses detection task instructions through the integrated detection device to obtain the current detection task execution plan; a data acquisition module, which collects multi-source datasets according to the current detection task execution plan; a fault detection module, which performs wear detection, leakage detection, corrosion detection, and fracture detection based on the multi-source datasets to obtain fault identification results; and a feedback management module, which sends the fault identification results back to the host computer for encapsulation and display, completing file management and data traceability. This invention enables unified access, centralized processing, and result output of multiple monitoring parameters, improving the efficiency, convenience, and reliability of ship equipment condition monitoring while ensuring system integration and engineering applicability.

An offshore production system includes a surface vessel, a tubular tendon extending between the surface vessel and a lower connection system disposed at a seabed, the riser coupled to the surface vessel with an upper connection system, and an electrical cable extending through a central passage of the tubular tendon, wherein the upper connection system comprises a connector that physically supports the electrical cable.

A deck support device for shallow water platform module float-over installation, comprising a slide, a slide shoe, a buffer assembly, a support assembly and a diagonal brace, etc. The support assembly is a split structure, which is connected by electromagnetic suction cups and inserts. The top of the buffer assembly can be connected with the inserts. The load of the platform module is transmitted to the barge through the double-cone contact surface of the support assembly and the buffer assembly. This design can provide higher stability during the operation process. The buffer assembly further provides necessary buffering during the load transfer process of the platform module, avoiding rigid collision. During the float-over installation barge withdrawal process, the platform module can be quickly separated through the split structure of the support assembly. Meanwhile, the gap between the barge and the platform module is increased after the separation of the insert of the support assembly, ensuring the safe withdrawal of the float-over barge and greatly shortening the offshore operation time.

A multiply redundant safety system that protects humans and assets while transfer(s) / fuelling of on road / off road, rail, marine, aircraft, spacecraft, rockets, and all other vehicles / vessels utilizing Compressed and or Liquefied Gas Fuels / compound(s). Utilizing Natural Gas Chemical Family of Hydrogen / Propane / ethane / ammonia / and any mixtures along with or with out oxidizer(s), such as Liquefied Oxygen, Oxygen Triplet (O3) / ozone / hydrogen peroxide / peroxide / solid oxidizer(s) one or more processors, utilizing Artificial Intelligence techniques / machine learning in combination with one or more sensors; in combination with one or more micro switches / actuator(s) combine to detect any leaks / fire(s) / or explosion hazards / vehicle motion / arc's, spark(s) / and other hazards for quickly mitigating / locking out / stopping fueling / gas / transfers / vehicle releasing system(s).

The application discloses a ship engine room infrared thermal image and vibration combined diagnosis method based on a multi-mode, relates to the technical field of mechanical equipment state monitoring, and synchronously collects infrared thermal image data and vibration data of a contact area between a bearing seat and a mounting base structure in an engine room operation process, forms an infrared thermal imaging frame sequence and a vibration signal data sequence through data processing; constructs a contact area thermal image sequence and a radial vibration attenuation sequence according to the infrared thermal imaging frame sequence and the vibration signal data sequence, and maps to a unified time axis for consistency determination; aggregates time sub-sections with inconsistent evolution rhythms to form a thermal-vibration response deviation trend, judges the thermal-vibration response deviation trend, and outputs thermal-vibration response deviation results of the contact area. The method is suitable for positioning and discriminating abnormal contact between a bearing seat and a mounting base of a ship engine room through time sequence correlation analysis of thermal image information and vibration information for combined identification of the structure contact state.

This invention provides a method and apparatus for calculating the cutting amount for positioning a ship deck tank saddle. The method includes: acquiring the deviation data of the lower edge of the longitudinal ribs of the deck tank saddle segment to be installed; acquiring the top deviation data of the deck at the planned installation position of each longitudinal rib on the deck tank saddle; based on the deviation data of the lower edge of the longitudinal ribs and the top deviation data; acquiring the projectile angle θ of the deck and the angle α between each longitudinal rib of the deck tank saddle and the Y-axis in the original coordinate system; performing a margin cutting operation on each longitudinal rib according to the calculated final cutting amount c; and hoisting the cut deck tank saddle to the installation position on the deck for positioning and installation. By calculating in advance, the cutting accuracy is improved, as are the assembly accuracy and efficiency.

This invention discloses a rigid offshore photovoltaic platform with claws and its installation method. The offshore photovoltaic platform includes four corrosion-resistant steel pipe piles arranged at intervals along a rectangular outline. A planar truss assembly is provided between the tops of the four corrosion-resistant steel pipe piles, and the top of the planar truss assembly is used to install photovoltaic modules. A supporting claw is provided between each corrosion-resistant steel pipe pile and the planar truss assembly. Each supporting claw includes multiple inclined claw parts arranged at intervals along the circumference. One end of the multiple inclined claw parts converges and is fixedly connected to the top of the corresponding corrosion-resistant steel pipe pile. The other ends of the multiple inclined claw parts spread outward and are respectively connected to the planar truss assembly through welded ball joints. The welded ball joints include hollow welded balls, and the inclined claw parts are welded and fixed to the corresponding hollow welded balls. This invention can save material usage while reducing the stress concentration effect at the pile top nodes.

The utility model discloses water level monitoring device for water conservancy surveying and mapping, including the float of long conical structure, the top center of float is connected with the measuring mechanism, and the top of float is connected with the pull rope, and the end of pull rope is connected with the anchor head of float away, the utility model discloses through the dynamic balance system of measuring float pole of float, guarantees the stable water level mark under dynamic water surface, and then realizes temporary water level monitoring under complex hydrological condition through the water level mark value of onshore equipment measurement, and convenient to carry and easy to operate.

This invention relates to the field of marine engineering, specifically to a double-helix adjustable-angle chain roller-type river debris cleaning device for cleaning vessels. The device includes a memory and a processor. The processor processes instructions stored in the memory to achieve the following steps: acquiring basic state data of the floating debris to determine the cutterhead reference speed value, and then correcting the cutterhead reference speed value to obtain a corrected cutterhead speed value; determining the bulkiness coefficient of the floating debris based on the cohesion resistance characteristic value and the stacking density, and determining the final adjustment amount of the double-helix angle based on the bulkiness coefficient; adjusting the double-helix reference speed to obtain the double-helix target speed; and using the cutterhead corrected speed value, the final adjustment amount of the double-helix angle, and the double-helix target speed as control commands to drive and control the cutterhead and the V-shaped double-helix device, respectively. This invention effectively improves the adaptability and cleaning reliability of the cleaning device by adaptively determining the operating parameters of the floating debris cleaning device.

The application discloses a cable system and installation method for sliding installation of a marine photovoltaic module, the cable system comprising load-bearing cables, end beams and a plurality of middle beams arranged in the middle of the end beams, the load-bearing cables being anchored and tensioned on the end beams, the middle beams and the end beams being provided with guide rail type embedding structures capable of enabling the photovoltaic module to continuously slide, the guide rail type embedding structures comprising a bottom plate, a guide rail, a U-shaped buckle and a bolt, the bottom plate being fixed on the middle beam or the end beam, the guide rail being fixed on the bottom plate, the guide rail being arc-shaped, the arc-shaped surface of the guide rail being provided with a semicircular guide groove with the same diameter as the load-bearing cable, the two side surfaces of the guide rail being provided with clamping grooves, the load-bearing cable being embedded in the guide groove and fixed with the bottom plate through the U-shaped buckle and the bolt at the clamping groove position, and the upper part of the U-shaped buckle not being exposed at the clamping groove position. The guide rail type embedding structure is adopted, so that the sliding skid of the photovoltaic module can smoothly slide through the guide rail of the middle beam and the end beam, the photovoltaic module is realized to continuously slide in multiple spans, and the construction efficiency and the construction convenience are greatly improved.