136results about "Tugs" patented technology

The invention belongs to the technical field of tugs, and provides an intelligent energy management system of a hybrid power tug, comprising: a sensor for collecting energy consumption and generation conditions of the tug, including measuring battery voltage, current and temperature, and measuring ship speed, acceleration and direction; the data acquisition module is used for transmitting the data collected by the sensor to the processing unit in a digital form and has data synchronization and timestamp functions; the processing unit is used for automatically selecting an optimal operation mode according to the collected data and a preset algorithm; by integrating a plurality of sensors, the energy consumption and generation conditions of the tug can be monitored in real time, including key parameters such as battery voltage, current and temperature and speed and direction of a ship, the data are analyzed through a data processing algorithm, the algorithm adopts an advanced mathematical model and a machine learning technology, and the energy demand can be accurately calculated. And an energy distribution strategy is dynamically adjusted according to actual operation requirements.

The invention belongs to the field of ocean engineering and floating body structures, discloses a modularized movable variable-structure floating body platform and an operation method thereof, and is suitable for multi-scene application of short-term or temporary operation on the sea. In the towing process of the platform, chain type arrangement is adopted, all floating body units are connected through spherical hinge connectors, water resistance is effectively reduced, towing efficiency is improved, and safe transfer is achieved through a tugboat and an auxiliary boat. After the platform arrives at a target area, the platform flexibly adjusts the floating body units through the tugboats, the auxiliary boats, the mechanical arms and the connecting rods, chain type arrangement is changed into an array type structure, stable multi-column arrangement is formed, and different operation requirements are met. Due to the modular design, the platform has high expansibility and is convenient to maintain and recombine. The marine floating body platform is flexible, low in cost and environmentally friendly, has high wind wave resistance and wide application prospects, and is particularly suitable for various temporary marine operations such as marine monitoring, equipment installation and marine emergency.

The invention relates to a towed towed buoy array positioning device and method. The towed towed buoy array positioning device comprises a towed mother ship, and a deck unit is fixedly installed on the towed mother ship; the system further comprises a plurality of dragging buoys which are connected in series through ropes and form a dragging buoy array, the dragging buoy located at the foremost end is connected with the dragging mother ship through the rope, and the whole dragging buoy array is dragged by the dragging mother ship on the water surface to sail. The dragging buoy located at the tail end is arranged in a transverse offset mode, complex installation and calibration are not needed before use, and laying and recycling are convenient; the acoustic measurement sensor is always kept far away from a mother ship and is less interfered by ship body noise, so that the acoustic positioning calculation precision is greatly improved; according to the device, accurate positioning of deep towing is achieved based on the spatial distance intersection positioning principle, the base line of the acoustic measurement sensor array is long, the accuracy advantage of long base line positioning is achieved, no positioning tracking ship is arranged in the method, and compared with a double-ship positioning method, the manpower and material resource cost is reduced through the method.

The invention relates to the technical field of HDPE pipeline shipping, in particular to an HDPE pipeline mooring and positioning system and method.The HDPE pipeline mooring and positioning system comprises a barge, a crane ship, a tugboat, a plurality of auxiliary ships and a plurality of positioning anchors, the tugboat is used for dragging an HDPE pipeline, the barge and the crane ship are used for positioning the HDPE pipeline from the two ends of the HDPE pipeline, and the auxiliary ships are used for positioning the HDPE pipeline from the two ends of the HDPE pipeline. The positioning anchors are symmetrically arranged on the two sides of the HDPE pipeline and used for positioning the HDPE pipeline, and the auxiliary ship is used for moving the HDPE pipeline. Compared with a traditional steel pipe pile construction technology, the mooring positioning system provides stable positioning points through the positioning anchors symmetrically arranged on the two sides of the HDPE pipeline, construction steps are simplified through cooperative operation of a tugboat, a barge, a crane ship and an auxiliary ship, particularly, complex steel pipe pile mounting and dismounting do not need to be conducted, the construction time is greatly shortened, and the construction efficiency is improved. And the construction efficiency is obviously improved.

The invention discloses an attention mechanism and deep learning-based electric tug energy consumption prediction method, which comprises the following steps of: acquiring ship power battery parameters, propulsion system parameters, navigation state parameters and navigation environment parameters in real time, and performing data preprocessing; the tug working conditions are classified and recognized, working condition recognition results are coded, and a data set for energy consumption prediction is constructed; and a pure electric tug energy consumption prediction model based on the LSTM-Transform hybrid architecture is constructed, the constructed prediction model is trained and tested, and finally energy consumption prediction per minute and energy consumption prediction per sea are realized. According to the method, the attention mechanism of Transform is combined with a deep learning method to fully mine the time sequence characteristics and non-linear correlation of the electric tug energy consumption data, the prediction precision is improved by adaptively adjusting model parameters, and reliable data support can be provided for energy optimization scheduling and cruising ability evaluation of the electric tug; and the economy and safety of ship operation are effectively improved.

The invention relates to the technical field of HDPE (high-density polyethylene) pipelines, in particular to a sea-entering floating transportation system and method for an ultra-long large HDPE pipeline, and the sea-entering floating transportation system for the ultra-long large HDPE pipeline comprises an onshore shipping system and an offshore floating transportation system, the land shipping system comprises a plurality of winches, tugboats, a plurality of auxiliary boats, a loader, an excavator, a plurality of shipping trolleys and a shipping track; the marine floating transportation system comprises a tugboat, a plurality of auxiliary boats, a positioning anchor and a plurality of GPS positioners. According to the in-sea floating transportation system, all the assemblies cooperate with one another, the onshore shipping process and the offshore floating transportation process are more efficient and smoother, the problem that in a traditional method, due to the fact that the control force on the HDPE pipeline is insufficient, the pipeline deviates or collides is solved, and the construction time is effectively shortened.

The invention discloses a pushing boat and barge efficient combination butt joint device which comprises a barge butt joint piece arranged on a barge, the barge butt joint piece comprises a barge butt joint matching piece and a matched butt joint adjusting piece, the barge butt joint matching piece is arranged on the barge and driven by the connected matched butt joint adjusting piece, and the barge butt joint matching piece is arranged on the barge and driven by the matched butt joint adjusting piece; the vertical movement is realized as required; the pushing butt joint piece is arranged on the pushing ship, the pushing butt joint piece comprises a pushing telescopic power piece and a butt joint pushing piece, and the pushing telescopic power piece is arranged on the pushing ship and drives the butt joint pushing piece connected with the pushing ship to be connected with the barge butt joint matching piece in a matched mode, so that the pushing ship and the barge are combined in a butt joint mode. The device is reasonable in structural design, high in automation degree, high in butt-joint success rate of the pushing ship and the barge, high in combined butt-joint efficiency and small in influence of sea surface waves on the combined butt-joint process.

The invention is suitable for the technical field of ship control, and provides a berthing motion control method of a towing system, the towing system, equipment and a medium, the method comprises the steps that state information of the towing system at the current moment is acquired, and the state information comprises the state of a tugboat, the state of a barge and the towing cable pulling force between the tugboat and the barge; generating a state space vector of the towing system according to the state of the tugboat and the state of the barge; inputting the state space vector and the towing cable tension into a pre-established Markov decision process model to obtain an action space vector of the tugboat; and carrying out berthing control on the towing system based on the action space vector. According to the invention, efficient, stable and safe barge dragging system berthing operation can be realized.

A coupler for coupling a marine vessel line and a tugboat line is provided. The coupler includes a coupling zone for receiving the marine vessel line and the tugboat line. A guide is configured to receive a connector and guide the connector around the coupling zone to wrap the connector around the lines. A securing member is configured to secure the connector to the lines such that the lines are coupled. The securing member is upstream of the guide and is configured to bend the connector prior to the connector being received by the guide.

The invention relates to the technical field of shipborne equipment, in particular to a shipborne tug state monitoring system, method, device, equipment, medium and product, and the system comprises a strain sensor which is arranged at a preset position of a ship and is used for detecting the force applied to the ship by a tug; the calculation unit is connected to the strain sensor and judges the actual working state of the tug based on the force applied to the ship by the tug and detected by the strain sensor; the early warning unit is connected to the calculation unit, compares the actual working state of the tug with a preset working state, and gives out early warning under the condition that the actual working state of the tug is not consistent with the preset working state; the working state of the tug can be monitored.

A system and method for assisting a drag operation of a floating wind turbine (FWT) is disclosed. The FWT is provided with a wireless communication system and at least one position sensor for measuring the position of the FWT in at least three degrees of freedom. The main towing vessel is connected to the floating wind turbine by a towing line. The main dragging ship comprises a winch, a DP system and a two-way wireless communication system. A drag assist system / module / controller may be combined with a DP system. The one or more auxiliary drag vessels are connected to the floating wind turbine by drag lines. And one or more auxiliary dragging ships are provided with a two-way wireless communication system. A drag assist system / module / controller calculates setpoints (forces and directions) for all drag ships based on one or more input parameters from the floating wind turbine, one or more input parameters from each auxiliary drag ship, and one or more input parameters from the main drag ship.

A hull for a vessel for towing is disclosed, comprising a deck and a towing staple for guiding a towing line. The towing staple comprises a guiding element having a symmetrical extension in a first plane parallel to the deck, wherein the guiding element comprises a first and a second mounting section mounting the guiding element to the hull. The first and second mounting sections are connected by means of a main section of the guiding element. The guiding element comprises a towing line guiding surface located on a bottom side of the main section facing the deck, the towing line guiding surface being configured to, during a towing procedure, slidably contact the towing line, such that the towing line can freely move along a periphery of the main section in the first plane while being restricted in movement by the main section in a direction perpendicular to the first plane. The towing staple further comprises a support element, wherein the support element is arranged on a top side of the main section and extends at an angle to the first plane from the top side of the guiding element to a second plane perpendicular to the first plane and extending through the first and second mounting sections.

A module for determining a relative position between an assisting vessel and an assisted vessel connectable to the assisting vessel with a towline The assisting vessel has a winch controlling the towline between the assisting vessel and the assisted vessel. The module estimates the relative position between the assisting vessel and the assisted vessel based on one or more winch parameters. The module may be used in a safety system in towing operations.

The invention provides a full-rotation tug with both port mooring assistance and coastal towing, and belongs to the technical field of tugs. The ship comprises a ship body structure, the ship body structure comprises a main deck and a head lifting deck, the main deck and the head lifting deck form a connecting deck structure in the middle of the ship body structure, a towing engine is arranged at the position, close to the middle of the ship body structure, of the main deck, and two anchor winches are symmetrically arranged on the head lifting deck; a folding arm crane and a winch are arranged on the main deck located behind the towing engine, a cabin platform is arranged in the ship body structure below the main deck, a standby cable winding machine is installed on the cabin platform, and a cable hatch cover used for allowing a cable on the standby towing engine to enter and exit is arranged on the main deck. A larger coverage range is provided for tail towing, sailors can be ensured to safely engage in towing work by canceling the design of the rear lifting deck, and the cylinder hanging space required by maintenance of the medium-speed engine can be met by extending the first lifting deck.

Apparatus with orientable lateral towing arms for naval vessels, in particular for the safe transit of cruise ships through canals having limited and set width, comprising: at least two fender barges for each side of the hull or floating one¬ directional or two-directional spacers, having respective movable towing arms and intended to be temporarily secured to one side of the hull of a ship; means for the towing connection to the sides of the hull of the ship of the anterior part of the towing arms, oriented at an angle toward the side of the hull of the fender barge with the base directed toward the side of the hull of the ship, wherein said means for the towing connection of the anterior part of the towing arms are formed of structural supports welded in specific recesses of the opposing sides of the hull of the ship.

The utility model discloses a permanent magnet motor propulsion device for a pure electric tugboat with good waterproof effect, comprising a main body shell, a connecting arm fixed on the main body shell, a rotating part connected to a flange on the connecting arm, a shroud installed on both sides of the main body shell, a rotor shell arranged on the inner side of the main body shell, a blade fixed on the inner side of the rotor shell, and a rotating shaft fixed in the middle of the blade. The permanent magnet motor propulsion device is provided with a stator protective cover at the connection between the main body shell and the shroud, and the stator protective cover is connected to the shroud and the coil base through a sealing gasket, which can effectively ensure the stability of the state of the sealed environment where the stator coil is located, and through the connection between the shroud and the stator protective cover, and the connection between the stator protective cover and the coil base, a double sealing effect can be formed, which effectively improves the waterproof effect of the permanent magnet motor propulsion device.

A hull for a towing vessel is disclosed, comprising a deck and a towing shackle for guiding a towing cable. The towing shackle includes a guide element having a symmetrical extension in a first plane parallel to the deck, wherein the guide element includes first and second mounting sections for mounting the guide element to the hull. The first and second mounting sections are connected by a main section of the guide element. The guide element includes a towing cable guide surface located on the bottom side of the main section facing the deck, the towing cable guide surface being configured to slidably contact the towing cable during towing, such that the towing cable is freely movable along the periphery of the main section in a first plane while being restrained by the main section in a direction perpendicular to the first plane. The towing shackle also includes a support element, wherein the support element is arranged on a top side of the main section and extends from the top side of the guide element at an angle to the first plane to a second plane, the second plane being perpendicular to the first plane and extending through the first and second mounting sections.

The invention provides a ship magnetic levitation eliminating type operation system. The ship magnetic levitation eliminating type operation system comprises a dock type platform, a cable frame, a magnetic sensor and a cable coil. The number of the cable frames is multiple, the multiple cable frames are arranged at intervals in the extending direction of the dock type platform, the dock type platform is provided with a sinking chamber, and the cable coil is wound along the inner walls of the cable frames and the sinking chamber to form a closed-loop spiral coil. The multiple magnetic sensors are arranged at the bottom of the sinking chamber and are arranged in an array mode in the distribution direction of the cable frame. The problems that in the prior art, ship demagnetization efficiency is low, and ship maneuverability is poor in the demagnetization process are solved.

The invention relates to the technical field of water sports auxiliary equipment, and discloses an electric towing boat which comprises a towing boat body, the tail end of the towing boat body is connected with one end of a connecting rope, and the other end of the connecting rope is connected with a user standing on water sports equipment; the power system is arranged on the towing boat body and used for driving the towing boat body to advance on the water surface; the control system is arranged on the towing boat body and electrically connected with the power system; and the operating system is fixedly connected to the connecting rope, and a user holds the operating system by hand and performs data interaction with the control system through a wireless communication module. The device thoroughly gets rid of dependence on natural storm waves and additional motorized ships, achieves water sports in a windless environment, is compact in structure, easy to carry and extremely visual and sensitive to control, greatly reduces the operation difficulty, relates to multiple safety measures, guarantees the safety of a user, and can adapt to various water sports equipment and different water area environments.

A ship (1) comprises a walkable deck (2), a superstructure (3) above the deck (2), an opening or a closable opening in the deck (2) or the superstructure (3) such as a door or ventilation opening, an internal combustion engine (6), a closed tank (7) for containing a low flashpoint liquid fuel (8), a fuel supply system (11) for supplying fuel (8) from the tank (7) to the internal combustion engine (6), an inert gas supply system (12) for supplying inert gas to the tank (7), a tank venting pipe (14) extending from the tank (7) to a vent outlet (15) of the tank venting pipe (14) and a pressure relief system (16) for allowing gas to flow from the tank (7) through the tank venting pipe (14) to the vent outlet (15) when pressure in the tank (7) exceeds a predetermined pressure level. The tank (7) has a fire retardant wall (10) and a storage volume which is larger than 1.5 m3. The vent outlet (15) is located within 3 m from the deck (2) and / or within 10 m from the opening or the closable opening and / or within 10 m from a potential ignition source.

The invention discloses a quick-response universal flexible auxiliary towing device which is applied to a floating fan towing system, the towing system comprises a floating fan foundation, a floating fan and a towing boat, the fan foundation comprises a plurality of wind power foundation piles, and the adjacent wind power foundation piles are fixedly connected through connecting rods. Through closed-loop control of real-time monitoring of the attitude sensing assembly, accurate instructions of the control system and dynamic adjustment of the power assembly, technical spanning from passive assistance to active stabilization is achieved, attitude changes caused by wind waves and flows can be quickly responded, targeted restoring force is provided, the risk that a floating type draught fan foundation drastically deflects and overturns is effectively avoided, and the service life of the floating type draught fan foundation is prolonged. Ballasting adjustment does not need to be carried out at a machine location point, and the construction difficulty is remarkably reduced.

This invention relates to the field of electric motor technology and provides a novel energy-saving propulsion motor for electric tugboats. The motor includes a motor body with support plates on both sides of its bottom. It further includes: telescopic columns fixedly installed on both sides of the bottom of the two support plates; first return springs fixedly installed on both sides of the bottom of the two support plates; and bases fixedly installed at the other ends of the four first return springs and the four telescopic columns. Two first sliding grooves are formed on the bottom of the support plates, and first sliders are slidably connected to both sides of the inner surface of the two first sliding grooves. The four first sliders are arranged in pairs. In this embodiment, the first return springs and the cross-support structure effectively buffer the motor body when it vibrates, reducing the impact force transmitted to the motor body, thereby protecting the motor body from excessive mechanical impact and extending its service life.

The present invention belongs to the technical field of towing and floating devices, and in particular, to a net cage towing and floating device and a towing method thereof. The net cage towing and floating device comprises a net cage, with multiple air bags evenly tied on both sides of the net cage, a tugboat is arranged on the front side of the net cage, a connecting assembly is arranged on the rear side of the tugboat, a cable is connected between the connecting assembly and the front side of the net cage, a slide rail is horizontally arranged on the top of the connecting assembly, two first sliders are slidably installed in the slide rail, and a driving assembly is connected between the tops of the two first sliders. The present invention is provided with a connecting assembly, and in the process of the tugboat dragging the net cage to move, when the net cage intermittently pulls the cable due to sea surface fluctuations, the towing rod can drive the fixing ring to move backward through the latch under the tension of the cable and squeeze the second shock-absorbing spring, thereby reducing the influence of sea surface fluctuations on the tugboat pulling the net cage.

The application belongs to the technical field of ship power system and energy management control, and discloses a hybrid power tugboat adaptive parameter mapping energy management method and system, which comprises a diesel generator unit, a power battery, a super capacitor, an energy management controller and a load. The method obtains a future load prediction sequence through a single load prediction module, extracts prediction mean value, peak value, ramp rate peak value and pulse index and the like characteristics, and generates an adaptive parameter set through a mapping function in combination with the power battery and the super capacitor state, which is used for mode determination, target setting and weight setting; diesel power base load power is generated in a slow cycle, and quadratic programming is solved in a fast cycle in a three-source collaborative and charging mode. The application realizes optimal power distribution of the battery and the super capacitor under multiple constraint conditions, makes the super capacitor preferentially bear the pulse and maintain the target energy band, and limits the battery peak value and the power change rate, so as to reduce operation cost and carbon emission.

The application provides an unmanned tugboat capable of detecting a contact position, comprising an unmanned tugboat body, a hull propulsion device and a plurality of contact detection devices; the plurality of contact detection devices are installed on a circular arc plate and are uniformly arranged in a circular arc shape on the circular arc plate; the circular arc plate is fixed at a bow of the unmanned tugboat body; the hull propulsion device comprises a propeller and a propeller direction changing device; the propeller is located at the bottom of the tail end of the unmanned tugboat body; the propeller direction changing device is used for changing the direction of the propeller to the direction of the proximity switch after receiving the signal of the proximity switch. According to the application, the contact position of the unmanned tugboat and the ship can be directly determined through the plurality of contact detection devices, then the direction of the propeller is changed through the rudder box according to the signal of the proximity switch, the propelling force of the propeller directly acts on the contact position, and the propelling force of the contact position is maximized.

A traction device for towing an object along a water surface or through a body of water, the traction unit comprising at least one propulsive engine. The device device has a common center of gravity, center of thrust and center of buoyancy (13). A bridle (17) is attached to turn about an axis (14) through said common center (13). The bridle (17) has an attachment (18) at a distal end from the turn axis (14) to attach a tow line extending to the towed object.

Disclosed is a system 1000 for determining a virtual representation of at least part of an environment 800 that is navigable by a ship 700. The system has at least one beacon 101, 102, 201, 202, 301, 302, 401-403 remote from the ship. The or each beacon comprises at least one sensor 411-415 for sensing surroundings information representative of at least part of the environment, a transmitter 420, and a controller 430 connected to the at least one sensor and configured to cause the surroundings information to be transmitted via the transmitter. The system also comprises a control centre 500 remote from the ship. The control centre comprises a receiver 520 configured to receive the surroundings information, and a control unit 530 connected to the receiver and configured to determine a virtual representation of at least part of the environment based on the surroundings information. The virtual representation may comprise a topographical map, such as a LIDAR map.

Disclosed is a hull for a towing vessel, comprising a deck and a towing shackle for guiding a towing cable. The tow shackle includes a guide element having a symmetric extension in a first plane parallel to the deck, where the guide element includes first and second mounting sections that mount the guide element to the hull. The first and second mounting sections are connected by a main section of the guide element. The guide element includes a trailing cable guide surface on a deck-facing underside of the main section, the trailing cable guide surface configured to slidably contact the trailing cable during a towing process such that the trailing cable is free to move along a perimeter of the main section in a first plane, meanwhile, movement is limited by the main portion section in the direction perpendicular to the first plane. The towing shackle further comprises a support element arranged on the top side of the main section and extending from the top side of the guide element at an angle to the first plane to a second plane perpendicular to the first plane and extending through the first and second mounting sections.

The invention relates to a water-going assembly comprising a first buoyant structure (S1) comprising at least two hulls (F1, F1′; F11, F11′, F12, F12′) delimiting between them a space (E1) and a photovoltaic arrangement (PH1) occupying a substantial proportion of the footprint of the buoyant structure, and a second buoyant structure (S2) provided with an electric thruster (P2) and with a battery (B2), means for assembling the two buoyant structures detachably, with means of electrical connection between the photovoltaic arrangement of the first buoyant structure and the battery of the second buoyant structure, the latter being able to be used for moving the two structures (S1, S2) with a directional guidance, or as an autonomous motorized marine craft.