252 results about "Stern" patented technology

The utility model belongs to the technical field of hydrofoils, and particularly relates to a ship with a telescopic elevator structure, which comprises a ship body, a bow, a stern, a buoyancy structure, a first arc-shaped strut and a second arc-shaped strut. The buoyant structure includes a first buoyant volume disposed near the bow and a second buoyant volume located between the first buoyant volume and the stern. The present application provides a vessel with a retractable elevator structure, a first buoyancy volume pivotably coupled to a second buoyancy volume along a radial axis to achieve precise directional control, first and second arcuate struts having proximal ends movably connected to the buoyancy structure and distal ends supporting a hydrofoil lift surface, the first arcuate strut and the second arcuate strut expand and contract in an arcuate manner along an external common radial axis, allowing seamless transition between a compact storage configuration and an expanded operating state, improving ship maneuverability, portability and safety.

A method of transporting a first vessel having wind turbine components to an offshore installation vessel. The method includes (i) securing the first vessel to a second vessel using a first tow line attached to a front end (or bow) of the first vessel, and (ii) securing the first vessel to a third vessel using a second tow line attached to a back end (or stern) of the first vessel. The method further includes transporting the first vessel to the offshore installation vessel using the second vessel and the third vessel secured to the first vessel via the first and second tow lines, respectively. The method also includes securing the first vessel to the offshore installation vessel. The first vessel can include one or more fender walls. The first vessel can be secured to the offshore installation vessel using one or more mooring lines.

A hydrofoil arrangement for a boat includes a fastening device, first and second rigid elements, and a main hydrofoil. The fastening device is fastened on an outside of a hull below a waterline of the resting boat. The first rigid element pivots in a first pivot plane into and out of engagement with the hull, vertical and parallel to a forward direction. The second rigid element is connected to the first rigid element and extends at an angle to the first rigid element so that a second end of the second rigid element is at a vertical distance from the hull. The main hydrofoil is fastened to the second end of the second rigid element. The first rigid element can be pivoted downwards and backwards, and thereafter upwards and further backwards, to a position where its second end is arranged stern of the hull. A method is also described.

This utility model discloses a go-kart, relating to the field of go-kart technology. The go-kart includes a hull and an outer shell, connected by an upper and lower hull plate. The upper hull plate forms a passenger cabin, which includes a main seat. A windshield on the outer shell covers part of the passenger cabin and also houses a steering wheel, allowing users to easily operate the steering wheel from inside the cabin to control the go-kart's direction. Because a sealed cavity is formed between the upper and lower hull plates, extending from the bow to the stern, the go-kart utilizes this sealed cavity to generate sufficient buoyancy, ensuring stable floating on the water. Even in the event of an accidental capsizing, the sealed cavity reduces water ingress compared to foam-filled cabins, effectively preventing sinking and improving safety.

The application discloses a kind of offshore bridge section float installation method based on SPMT, the installation method includes the following steps: S1: barge carries bridge section and SPMT reaches the front of installation pier, by dinghy, mooring rope is fixed on pier;S2: barge gradually tightens mooring rope, tail is aimed at the gap between pier;S3: barge winch tail is pulled into the gap between pier, ensure that the tail installation area is enough to accommodate bridge section and SPMT and is fixed using fender and float ball;S4: before installation, remove the bridge section binding, SPMT enters the bridge section below and lifts the bridge section from temporary support, is transported to tail, and is positioned by translation rotation etc. Action carries out bridge section installation position rough positioning.The present application uses SPMT to transport and install bridge section in position, which can achieve millimeter-level fine adjustment, has higher installation precision, reduces the impact of wave impact on barge, ensures the horizontal state of goods when barge is inclined, and reduces the time cost loss caused by bad weather.

A rigid inflatable boat 1000 comprises a hull comprising a stern 1005, two inflatable tubes 1001, 1002 on opposing sides of the boat, each inflation tube comprising a terminal portion 1003, 1004 at th

The invention discloses a ship planking line type self-adaptive rapid folding supporting device which comprises a first supporting piece and a second supporting piece, the first supporting piece comprises a supporting sliding seat and a first power piece, the supporting sliding seat is detachably installed on the bottom face of a dock, and the supporting sliding seat is located in the bow or stern direction of a ship in construction; the second supporting piece comprises a second supporting seat, a positioning piece and a supporting assembly, the second supporting seat is separably arranged on the supporting sliding seat, and the positioning piece is arranged on the second supporting seat and used for positioning the second supporting seat on the sliding supporting seat; the supporting assembly is arranged on the second supporting base and used for conducting self-adaptive supporting on the transferred tail section or the transferred head side pushing section. And the supporting sliding seat which slides longitudinally drives the tail section or the head side pushing section to slide and fold towards the ship in construction through the second supporting piece. The device is high in automation degree, high in butt joint precision, short in folding time, high in folding efficiency and low in labor intensity of workers in the folding process.

The utility model provides a new energy leisure ship, which is characterized by comprising a ship body, a ship body, a ship body and a ship body, the ship body is made of light materials and comprises a cabin bottom and a deck, and at least part of the cabin bottom and at least part of the deck define a containing space. The power system comprises an oar and a motor which are arranged in the containing space, the oar is provided with a rotatable oar blade, the oar blade is located on the outer side of the cabin bottom, and the motor is in transmission connection with the oar to drive the oar blade to rotate; the energy system comprises a power supply arranged in the accommodating space and a power generation device arranged on the deck, and the power generation device is electrically connected with the power supply; the power generation device is configured to generate power using natural resources including light energy and / or wind energy. By arranging the power generation device, natural resources can be utilized to generate power, electric energy is supplemented in real time during sailing, the cruising ability is further improved, and meanwhile carbon emission is avoided.

The invention relates to the technical field of unmanned ships, and provides a stern modular power docking assembly for an unmanned ship, comprising: a wharf floating on the water surface, one side of the wharf being provided with a power supply part; the unmanned ship floats on the water surface, and the stern of the unmanned ship is provided with a power connection part; a connection member for connecting the power supply unit and the power connection unit; and a first sealing member for sealing the power supply unit and the power connection unit when the connection member connects the power supply unit and the power connection unit to each other. In the process that the unmanned ship gets close to the wharf, the power connection part gets close to the power supply part under the action of the unmanned ship, meanwhile, the power connection part is fixed to the wharf under the action of the connecting component, meanwhile, the power connection part is connected with the power supply part, the wharf can charge the unmanned ship, and in the charging process, the first sealing component is connected with the power supply part. The power supply part and the power connection part are sealed, and it is ensured that the power connection part and the power supply base are not affected by the outside in the charging process.

The application discloses a kind of amphibious large ship transport's retraction control device and method, belong to ship retraction control technical field, wherein device includes bottom frame, the two sides of bottom frame are provided with symmetric two-way moving mechanism for transverse movement and longitudinal movement, the head of bottom frame is connected with power cabin by connecting rod support mechanism, the two sides of the tail of bottom frame are provided with symmetric tail tightening column mechanism for tightening stern, bottom frame is provided with ship front support mechanism for supporting the head of ship, the two sides of bottom frame are controlled by symmetric guide column mechanism of collision contact pressure feedback for guiding alignment entering, for the bottom guide of ship bottom guide mechanism.The present application can solve the technical problems of the existing ship retraction, which needs to be carried out in the state of stable waves and stable posture of ship and platform, and the ship driving or platform driving needs artificial adjustment and observation, and the ship retraction operation time is long and the efficiency is slow.

The utility model is suitable for ocean automation and intelligentization technology, and provides a wireless charging shore base suitable for heavy storm scenes, which comprises a base frame and a buoy, the base frame is fixedly connected with the buoy, the front end of the base frame is fixedly connected with two symmetrically distributed extension arms, and the extension arms are fixedly connected with the buoy. The two extension arms and the base frame form a guide groove, and an unmanned ship is placed in the guide groove; a polar plate, a rolling shaft device and a guide shaft are arranged on the unmanned ship, a fixed clamping assembly and a wireless charging assembly are fixedly connected to the front end of the base frame, when the unmanned ship retreats to the final position, the fixed clamping assembly fixedly clamps the rolling shaft device installed on the unmanned ship, and the wireless charging assembly is attracted to the polar plate on the ship body. According to the utility model, the posture of the unmanned ship body can be corrected, the unmanned ship is fixedly clamped, the unmanned ship is effectively prevented from being separated from the stern of the wireless charging assembly, and the unmanned ship can be automatically charged through attraction of the magnet and the polar plate.

The utility model provides a trailing suction type dredger which comprises a main dredger body, a dredger head, a dredger head, a dredger head, a dredger head and a dredger tail, a mud cabin is arranged in the main dredger body, the bow of the main dredger body is an upright bow, and the stern of the main dredger body is a double-tail-fin stern; the two groups of raking suction pipe devices are arranged on the main ship body along the length direction of the main ship body, and each group of raking suction pipe devices is respectively communicated with the mud cabin and is respectively used for dredging underwater silt and sucking the underwater silt into the mud cabin. According to the drag suction type dredger, the floating condition requirement of the working condition can be met.

The invention discloses an ice sailing ship. The present invention relates to a ship for sailing in an ice region, comprising: a skeg formed at the lower part of a stern; and the echo depth finder is arranged on the skeg and is configured to emit ultrasonic pulses to the seabed, receive the ultrasonic pulses reflected back from the seabed and calculate the depth of the seabed based on the time required for returning the ultrasonic pulses.

The utility model discloses a ship electrical element maintenance device, which belongs to the technical field of ship electrical element maintenance, and is characterized in that a driving assembly is arranged below the tail part of a floating assembly; the maintenance auxiliary mechanism comprises a lifting platform, the lifting platform is installed above the end of the floating assembly, a stable displacement assembly is installed at the end, away from the driving assembly, of the floating assembly and comprises a first electric push rod and a second electric push rod, and the first electric push rod is installed on the end face of the floating assembly in parallel; the second electric push rod is vertically installed at the end of the first electric push rod, the neodymium iron boron magnet is fixedly installed at the end of the second electric push rod, and the first electric push rod and the second electric push rod can achieve accurate and stable displacement in a small range, avoid shaking caused by large inertia of the blades driven by the motor, and reduce the falling risk of maintainers. The neodymium-iron-boron magnet can be adsorbed on a ship, the position of the maintenance device is effectively fixed, and stability is enhanced.

The utility model discloses a plateau lake floating object salvaging device which comprises a power ship, fixing boxes are fixed to the left side and the right side of the tail of the power ship, and salvaging buckets are arranged behind the fixing boxes. In the utility model, a group of fixed boxes and salvage buckets are respectively arranged on the left side and the right side of the tail part of the power boat, and the power boat is started to run on the water surface of the plateau lake, so that the salvage buckets behind the fixed boxes are promoted to take floating objects on the water surface of the plateau lake from salvage openings in the running stage of the power boat, and then the steel meshes at the tail parts of the salvage buckets are used for draining water; in the process, the adjusting hook plate is pushed through the hand lever, a T-shaped sliding strip of the adjusting hook plate is promoted to slide relative to a sliding groove formed in the surface of the salvage hopper, the adjusting hook plate is gradually away from the power ship, the coverage range of the salvage hopper is enlarged, and the salvage comprehensiveness of the floating objects on the plateau lake surface is improved. The problem that a traditional salvage device can only salvage floating objects close to the shore is solved.

The invention provides an offshore marine floating garbage salvage ship, relates to the technical field of marine floating garbage collection, and solves the problems that existing offshore marine floating garbage salvage is low in efficiency, high in cost, poor in environmental protection property, few in informatization equipment and the like. The ship comprises a ship body, a power system, an electric power system, a control system, a navigation system, an alarm system, a drainage system and a garbage collection system, and the power system comprises an angle-adjustable outboard outboard engine installed at the stern of the ship body, a diesel oil cabinet installed at the bottom in a cabin of the ship body and a driving operation system arranged in a cockpit of the ship body; the electric power system comprises a storage battery arranged in a tail peak tank of the ship body, a solar photovoltaic panel installed on the outer top of a cockpit of the ship body and a photovoltaic controller. The device has the beneficial effects that the device is suitable for operation in areas such as near-shore water areas, estuaries and ports, can efficiently collect sea floating garbage, and is flexible to operate, low in cost, good in environmental protection performance, complete in equipment and safer.

The present invention relates to a ship flow control system having a pre-swirl flow control fin, wherein a swirl flow is generated opposite to the propeller rotation direction such that the ship propulsion efficiency is improved without increasing cavitation and hull fluctuation pressure occurring in the upper portion of the starboard of the ship. The ship flow control system comprises a flow control fin installed in a curved portion of the stern of the port side of the ship positioned in front of the propeller so as to be inclined toward the lower side with respect to the basic flow direction of seawater, thereby inducing the seawater flow direction to face the lower side of the propeller. By generating a swirl flow in the counterclockwise direction, which is opposite to the propeller rotation direction, such that the ship propulsion efficiency is improved without increasing cavitation and hull fluctuation pressure occurring in the upper portion of the starboard of the ship.

This invention discloses a neural network-based method for ship resistance prediction and hull optimization, relating to the field of ship design and performance optimization technology. The method includes: selecting 10 key geometric deformation control points (bow and stern) based on the surface features of the parent ship, setting allowable deformation ranges along the Y-axis for each point, and establishing a parameterized geometric model oriented towards resistance-sensitive areas. This invention embeds a multi-head attention mechanism into a fully connected neural network to achieve dynamic feature weighting and selective focusing of hull geometric parameters. This enhances the model's ability to identify key deformation features in high-dimensional, small-sample design scenarios. The attention mechanism enables the model to autonomously suppress irrelevant parameter interference, enhance the feature expression of resistance-sensitive areas such as the bow and stern, improve the generalization ability and stability of the prediction model under data-scarce conditions, and overcome the shortcomings of traditional regression models that are prone to overfitting or underfitting in limited samples.

The invention discloses a bionic flapping wing underwater vehicle cooperatively driven by a wing bow and a wing stern, and belongs to the technical field of bionic underwater vehicles. The aircraft adopts a modular cabin section design and comprises a movable bow cabin section, a buoyancy adjusting cabin section, a bionic flapping wing driving cabin section, a pitch attitude adjusting cabin section and a movable stern cabin section. The technical problem that high maneuverability and low energy consumption of a traditional underwater vehicle are difficult to consider at the same time is solved through organic combination of cooperative deflection of the movable bow and the movable stern, multi-degree-of-freedom motion of the flapping wings and buoyancy adjustment. According to the invention, a plurality of motion modes such as flapping wing propulsion, buoyancy gliding and sliding-flapping mixing can be realized, complex motion capabilities such as fixed-depth direct navigation, rapid steering, spiral steering and zigzag gliding are realized, the maneuverability, the energy consumption efficiency and the environmental adaptability are remarkably improved, and an innovative solution is provided for marine observation and detection tasks.

This invention belongs to the field of underwater acoustic engineering technology, and specifically relates to a method for cleaning and organizing multi-element heterogeneous sonar data. It includes: classifying multi-element heterogeneous sonar data according to storage format into audio data, image data, document data, and video data; classifying sonar data in each storage format into active sonar data and passive sonar data according to operating mode; classifying sonar data in each operating mode into array carrying method into bow hull mounting, stern towed mounting, side mounting, dangling mounting, and sonar buoy mounting; and sequentially performing quality assessment and screening, data preprocessing and cleaning, data organization and annotation, quality verification and storage, and archiving and distribution for each sub-category of sonar data in each storage format. This invention, through systematic cleaning, effectively removes redundant and erroneous data, improves data consistency and accuracy, saves storage space, and enhances data processing efficiency.

The application discloses a ship bow, which comprises a forward inclined part and a bulbous bow part; the bulbous bow part is connected to the lower part of the forward inclined part; the forward inclined part is located above the waterline, and the bulbous bow part is located below the waterline; the intersection line of the outer surface of the ship bow formed by the forward inclined part and the bulbous bow part and the ship centerline is a straight line segment and an arc line segment, the arc line segment is connected to the straight line segment, the straight line segment is located above the arc line segment, the straight line segment is distributed obliquely downward towards the stern, and the arc line segment extends towards the stern. The application solves the problem that the traditional line type cannot simultaneously consider the resistance performance under the two working conditions of ice area navigation and ice-free open water navigation, and effectively improves the comprehensive energy consumption level of the ship on the whole operation route.

The invention relates to a marine liquid tank which comprises a liquid tank body with a dome arranged at the top. The bottom support assembly is arranged at the bottom of the liquid tank body and connected with a ship body; the top support assembly comprises a top anti-pitching support, a top anti-rolling support and a top anti-floating support which are arranged at the top of the liquid tank body and connected with a ship body, the top anti-pitching support limits movement of the liquid tank body relative to the ship body in the first direction, and the top anti-rolling support limits movement of the liquid tank body relative to the ship body in the second direction; the first direction is the same as the direction from the bow to the stern of the hull, and the second direction is perpendicular to the first direction; at least one top anti-rolling support is arranged on at least one side of the dome in the first direction, and at least one top anti-pitching support is arranged on at least one side of the dome in the second direction. According to the technical scheme provided by the invention, the problem that the structural safety of the marine liquid tank is affected due to the fact that the dome area of the marine liquid tank is prone to deformation in the prior art can be solved.

The invention relates to the technical field of scientific investigation ships, and discloses a semi-shielding type tail scientific investigation area structure of a polar scientific investigation ship, which comprises a scientific investigation ship stern, a shielding plate is mounted on a deck of the scientific investigation ship stern, a scientific investigation area is formed at the bottom of the shielding plate, and the scientific investigation area is used for placing scientific investigation equipment. When the frame is located at the initial positioning position, the sealing plates are spliced to form a flat plane, and the sealing plates are specially used for guiding and discharging rainwater and accumulated snow on the curtain boards; when the frame is pushed to move, the linkage structure acts synchronously, and the original flow guide plane structure is quickly converted into a stepped ladder stand. By means of the design, the defects that an independent crawling ladder at the tail of a traditional polar region scientific investigation ship occupies a large amount of deck space and interferes with the drainage process are effectively overcome, the overall structure of a tail scientific investigation area is greatly simplified, the number of equipment parts is reduced, the equipment maintenance difficulty in severe environments such as polar region low temperature and strong wind is lowered, and the working efficiency is improved. And the practicability and durability of the device are improved.

The invention relates to a monohull semi-submersible drone (1) comprising: a submerged hull (20), below a waterline plane (P2); a bow float mast (30), projecting from the submerged hull (20) and ending with an upper end (32) that is arranged above the waterline plane (P2) and that is arranged on the bow side (21) with respect to a front plane of the bow (P21) at one third of a bow-to-stern distance (d21); a stern float mast (40), projecting from the submerged hull (20), arranged between the bow float mast (30) and the stern (22) and comprising an upper end (42) arranged above the waterline plane (P2); and a marine propulsor (60T), arranged below the waterline plane (P2).

This invention discloses a portable folding and storage boat, which includes plates that are hinged together at the bow and stern. The plates can be arranged to form a box with a storage cavity. Inflatable pontoons are placed inside the box. The plates are equipped with detachable pull rods and rollers. The plates can be unfolded to form a flat deck by detaching the hinges. The deck is fixed between the inflatable pontoons. The front and rear ends of the box are equipped with openable and closable sealing plates, which serve as both a sealed box and lateral protection functions. The outer end faces of the plates are equipped with connecting anchor points for attaching functional accessories. The storage cavity can hold a folding extension plate and a paddle plate. The pull rod can be combined with the paddle plate to form a paddle. This invention combines the portability of an inflatable boat with the stability of a rigid-hulled boat. When folded, it forms a box that can be pushed for transport. When unfolded, it forms a rigid and stable deck, which can meet the needs of water sports, water salvage and other operations. It has a small storage volume, is easy to use and has strong functionality.

The invention belongs to the technical field of semi-submerged platforms, and discloses a transverse supporting structure and a semi-submerged platform, the transverse supporting structure comprises two transverse supporting pieces which are arranged in the transverse direction of the semi-submerged platform and arranged in the longitudinal direction of the semi-submerged platform at intervals, and the two transverse supporting pieces are located between two stand columns of the bow or the stern of the semi-submerged platform; each transverse supporting piece is used for being connected with two stand columns of the bow portion or the stern portion of the semi-submersible platform. The heaving plate is arranged between the two transverse supporting pieces and connected with the two transverse supporting pieces, and first reinforcing ribs are arranged on the heaving plate. According to the cross arm structure, the heaving, rolling and pitching periods of the semi-submerged platform can be prolonged, resonance, equipment damage and the like caused by the fact that the inherent period of the semi-submerged platform is close to the wave period are avoided, the motion response of the semi-submerged platform is reduced, and the seakeeping performance of the semi-submerged platform is improved.

The utility model relates to a portable vehicle-mounted folding boat and relates to the technical field of pleasure boat structure. The utility model discloses a boat head, a boat body and a boat tail. The tail end of the boat head, the head end of the boat tail, the head end and the tail end of the boat body are all provided with an assembly surface. The head and tail ends of the boat body are connected with the boat head and the boat tail respectively. The boat tail is provided with a left floating box and a right floating box on both sides. The boat body is provided with a left drag reduction plate and a right drag reduction plate on both sides. The boat tail is provided with a plurality of boat tail floating boxes. The utility model is used for outdoor travel and play.

The invention provides a convenient putting and recycling device for shipborne equipment. The convenient putting and recycling device comprises a putting and recycling device base, a first folding slide way and a second folding slide way, and the folding slide ways are symmetrically arranged on the putting and recycling device base through slide way lifting putting rotating shafts; a folding slide way folding and unfolding rotating shaft is arranged between the first folding slide way and the second folding slide way and is suitable for rotating with the rotating shaft as the axis to control folding or unfolding of the first folding slide way and the second folding slide way. The device provided by the invention is compact in structure and can be fixed on a stern deck with a limited area, a subsurface buoy component or a UUV is placed and fixed on the foldable slide way before laying, and the subsurface buoy or the UUV on the slide way can be fed into water only by unfolding the foldable slide way into water through the hydraulic device and then controlling the hydraulic device to lift the throwing slide way during laying. The risk that the crane drastically swings when hoisting the subsurface buoy under the high sea condition is avoided, and the subsurface buoy throwing convenience and the high sea condition operation capacity are greatly improved.

The utility model provides a kind of double body unmanned ship with garbage storage capacity intelligent sensing function, it is related to unmanned ship technical field.The device includes ship body, garbage cage, force sensor and control processor, garbage cage is installed in ship body, control processor is configured on ship body;The rear end of garbage cage is rotatably provided with rear garbage door, and rear electric push rod structure is provided between the stern area of ship body and rear garbage door, rear electric push rod structure is rotatably connected with rear garbage door, and force sensor is installed in the axial stress path of rear electric push rod structure in series;Control processor is used to control the telescopic action of rear electric push rod structure, force sensor is used to monitor the axial load force borne by rear electric push rod structure in real time when rear garbage door is in closed state, and pressure signal is transmitted to control processor, and control processor judges whether to issue return instruction according to the comparison result of pressure signal and preset threshold value.

A noise-vibration-harshness (NVH) dampening cover for a stern drive is configured to propel a marine vessel in water. The NVH dampening cover comprises a plurality of panels which together enclose a powerhead suspended from a transom of the marine vessel. The plurality of panels is configured to be suspended from an inner portion of a mounting assembly, the mounting assembly having an outer portion for mounting the stern drive to the transom.