408results about "Hull parts" patented technology

A liquid containment system for an ocean-going vessel. The liquid containment system includes a tank having converging upper walls. The converging upper walls of the tank contain a substantial portion of the liquid therebetween and reduce the free surface area associated with the liquid. The upper converging walls of the tank extend above the horizontal deck of the vessel, but still allow sufficient deck space for supporting various required equipment. In one embodiment, the liquid containment system is a prismatic membrane tank designed to receive and hold liquefied natural gas (LNG).

The invention discloses a small water plane and semi-submersible composite unmanned surface vehicle which comprises a submerged body, a supporting body, a surface floating body and a propelling device, wherein the supporting body is vertically arranged in the middle of the submerged body; the surface floating body is fixedly supported at the top of the supporting body; and the propelling device is arranged at the stem part of the submerged body; a liftable sensing platform is embedded in the top of the surface floating body; hydrofoils in three layers are symmetrically arranged on two sides of the supporting body from top to bottom; the hydrofoil in the upper layer is arranged below the surface floating body; the hydrofoil in the middle layer is arranged below the hydrofoil in the upper layer; and the hydrofoil in the lower layer is horizontally arranged on the lower side of the supporting body. The small water plane and semi-submersible composite unmanned surface vehicle disclosed by the invention has the advantages as follows: the overall performance of the composite unmanned surface vehicle is superior to those of a single-hull planing boat and a traditional three-hull unmanned surface vehicle; particularly, the swaying motion performance is greatly improved; the seaworthiness of the composite unmanned surface vehicle is more than 60 % higher than those of the single-hull planing boat and the traditional three-hull unmanned surface vehicle, so that the condition that a small-sized unmanned vehicle normally works in a terrible ocean environment becomes possible.

The invention relates to a boat type of a deep V skimming boat, which comprises a boat body. The transverse directions of a boat bottom and the boat body are V-shaped. The boat type of the deep V skimming boat is characterized in that an oblique ascending angle beta B of left and right sides of the waist of the boat bottom is 20 to 25 degrees, a transverse oblique ascending angle beta A of the left and right sides of the stern of the boat bottom is 10 to 15 degrees, and the oblique ascending angles of the left and right sides from the waist of the boat bottom to the stern of the boat bottom are in smooth transition and are reduced gradually. Built-in horizontal bilge plates are arranged at the outside break angles of the left and right sides of the boat bottom. The boat type of the deep V skimming boat has the following advantages that: 1, on the premise of volume Fourier coefficient, not only the sailing resistance is reduced, the sailing speed is improved or the host power is reduced, but also the seakeeping property is obviously improved; 2, the longitudinal sailing inclination angle during skimming can be reduced, and the problems of over-large resistance crest, driving sight improvement and the like are solved; and 3, when the conventional propellers are adopted for propelling, the axis included angle is reduced, the problem of larger propeller thrust loss is solved, and the propelling efficiency of the propeller is improved.

The invention discloses a fishing vessel with a seawater desalting device. The fishing vessel comprises a deck and two vessel bodies of the same structure. Each vessel body comprises an outer side wallboard, an inner side wallboard and a bottom panel, wherein the outer side wallboard is of a V-shaped structure formed by an upper inclined panel and a lower inclined panel in a butt joint mode. The fishing vessel further comprises wheels and folding wheel frames. Each folding wheel frame comprises a wheel support and a hydraulic cylinder. The wheel supports are hinged to the lower ends of the inner side wallboards of the vessel bodies. The wheels are installed on the wheel supports. The fishing vessel further comprises water suction pumps and draining pumps. The water suction pumps are used for sucking seawater into fish bins in the vessel bodies, the draining pumps are used for draining water in the fish bins in the vessel bodies into the sea, thus water circulation is formed, the water in the fish bins becomes flowing water, and survival of fish is facilitated. The fishing vessel further comprises the seawater desalting device. The seawater desalting device is used for converting seawater into drinking water.

The invention provides an electric swimming boat which comprises a floating body. Grasping parts are arranged on the upper surface of the floating body. Propellers are arranged on the two sides of the bottom face of the floating body. The floating body is in a U shape, the two sides of the tail of the floating body extend backwards to form elbow supporting bodies, and the propellers are arranged below the supporting bodies. The grasping parts are longitudinal handles arranged on the two sides of the middle of the floating body, and starting switches are arranged on the longitudinal handles. The electric swimming boat is provided with the propellers, pushing force of the limbs of a human body is not required, the switches on the handles are only required to be controlled to achieve forward movement of the swimming boat, and a circuit control module inside the floating body has the speed adjustment control function on power of the propellers and is capable of feeding information on a control display panel. The electric swimming boat is simple in structure and novel in design and has the wide market prospects and the high economic value.

The invention relates to a traveling type wind power ship. A platform deck of a platform ship body in a small waterplane area twin-hull ship structure is provided with a wind sail; the lower part of the platform ship body is respectively connected with an underwater ship body through a left upright post and a right upright post; the front segment and the rear segment of the underwater ship body are both internally provided with power generation device cabins; a guide flow megaphone and a water turbine are arranged outside two end heads of the underwater ship body, and a clutch, a speed reducer and an electric generator are sequentially connected with and fixedly arranged in the two end heads of the underwater ship body through shafts; the electric generator is sequentially connected with a power transformation device and a storage battery through cables; a connecting truss is arranged outside the guide flow megaphone; the middle position of the guide flow megaphone is fixedly providedwith the water turbine; a transmission shaft of the water turbine is connected with a clutch shaft through a shaft coupling; and the guide flow megaphone positioned at the rear segment of the power generation device cabin is provided with a fan-shaped cone plate in an outwards extending way so that a water body drives the water turbine to rotate to drive the electric generator to rotate for powergeneration. The traveling type wind power ship disclosed by the invention is stable and safe without suddenly changing the rotating speed of the water turbine due to the sudden change of a wind direction and wind speed and is easy to regulate the voltage.

A retractable thruster for a swimming vessel is provided, wherein the retractable thruster includes a propeller and a lifting and lowering arrangement which is configured to vertically move the propeller between a retracted position and an ejected position. In the retracted position the propeller is substantially inside a bottom well of the swimming vessel and in the ejected position the propeller is substantially outside the bottom well. The retractable thruster includes a water-permeable protective element configured to be located inside the bottom well above the propeller and configured to vertically move with the propeller. In the ejected position the water-permeable protective element is configured to substantially prevent loose ice from drifting inside the bottom well through the water-permeable protective element and when the propeller is moved from the retracted position to the ejected position, the water-permeable protective element is configured to push ice out of the bottom well.

The invention discloses a hydrofoil and planing combined boat with a retractable front hydrofoil, which comprises a boat body and a propulsion device at the stern of the boat body; the bottom surface of the stern of the boat body serves as a planing surface; the mid-front part of the boat body is a single hull; the mid-rear part of the boat body takes a tri-body boat shape and comprises a middle boat body and side boat bodies; the two sides of the bottom of the middle boat body extend outwards to form arc-shaped grooves which constitute lateral splashing water channels; the front hydrofoil is arranged under the bottom of the mid-front part of the boat body through vertical pillars on the two sides; a pillar axially-moving mechanism is arranged in the boat body; and when the front hydrofoil goes up to the highest position to be inside the bottom of the boat body completely, the planes on the two sides of the front hydrofoil are clung to the two sides of the front part of the boat body to become a part of the outer surface of a fairing of the boat body. The hydrofoil and planing combined boat combines high speed of a planing boat and good seakeeping property and small wave making property of a hydrofoil, overcomes the defect that the planing boat or the hydrofoil is not suitable to rush to a shallow, effectively solves the problem of severe lateral splashing caused by single-hulled or twin-hulled planing, and can serve as a hydrofoil as well as a planing boat.

The invention discloses an acoustic cover layer beneficial for underwater damping and sound absorbing of ships. The cover layer is composed of a surface layer, a sandwich sound absorbing layer, and anadhesive layer. The surface layer is made of glass fiber reinforced plastic, wherein the density of the glass fiber reinforced plastic is close to water density, and the impedances of the glass fiberreinforced plastic and water are matched. The sandwich sound absorbing layer is composed of polyurethane and vermiculite powder and is prepared by a layering method. The sandwich sound absorbing layer has a functional gradient structure, whose material parameters change along with the thickness direction. Hollow glass beads are distributed in the sandwich sound absorbing layer; the content of thehollow glass beads decreases from outer to inner along with the thickness direction, the density increases; the adhesive layer and the surface layer are adhered on the steel shell of a ship, and theadhesive layer is made of an visco-elastic material. The cover layer satisfies two conditions that the impedances are matched and the sound attenuation performance is good; the target strength and radiation noise of ships and underwater structures can be reduced effectively; the anti-detection performance and stealth performance of ships and underwater structures are both improved; and the cover layer has a wide application prospect in fields such as military ships, civilian ships, underwater structures, and the like.

The invention discloses an anti-collision method of a ship made of composite materials and a hull structure. The invention is mainly characterized in that sandwich plates (12) made of the composite materials are used as the outer walls of the hull, an integrated anti-collision bulwark (1) is adopted, the hull is in a 'cage type' structure, annular reinforced ribs are arranged on the side surfaces of the hull, and an energy-absorbing bow is adopted. The hull structure has the characteristics of light weight and high strength, and simultaneously, the overall anti-collision performance of the ship made of the composite materials is effectively improved through the comprehensive anti-collision structure design. When the ship has a collision on a front surface or a side surface, the comprehensive passive safety protection hull structure provided by the invention can effectively buffer an impact force caused by the collision of the ship, has good energy-absorbing effect and strong anti-deformation capacity, and is favorable for preventing or reducing casualties and property loss caused by the collision of the ship. The invention is especially suitable for the anti-collision design of the ship made of composite materials and has better application and popularization prospects.

The invention discloses an unmanned ship. The unmanned ship comprises a hull, wherein guiding devices are respectively arranged at the end part of the hull; propellers are arranged at the tail of thehull; a control device and a rubbish collecting device which is connected in a disassembling type are arranged on the hull; and a warning light is arranged at the top surface of the control device. According to the unmanned ship disclosed by the invention, information of a water surface is collected by a video acquiring unit, and the collected information is sent to a central processing unit of the control device; a base station on the ground communicates with the central processing unit through a wireless manner; the central processing unit is used for sending the video information acquired by the video acquiring unit to the base station; an operator sends a control signal to the central processing unit through the base station; the propellers are controlled by the central processing unitthrough a motor control unit to drive the hull to move, so that autonomous navigation and a water surface cleaning task are performed; and the locking and the collision of the unmanned ship in a water region edge zone can be avoided by a rotating wheel on a navigation device and guide wheels arranged at the upper end of the tail of the hull, so that the unmanned ship can clean sundries on the water surface of any region.

A water vessel is provided. The water vessel includes a hull, a deck, and a ramp. The hull has a front end, an aft end, a starboard side, a port side, a bottom, a bow at the front end, and a stern at the aft end. The bow is movable between a closed configuration and an open configuration. The deck is in the region of the bow. The ramp is located between the bottom of the hull and the deck in a retracted position. When the bow is in the open configuration, the ramp is movable to an extended position in which the ramp extends from the front end of the hull.

The invention relates to a water-surface-leaving type speed boat. The water-surface-leaving type speed boat comprises a boat body, a fixing support is installed at the lower portion of a boat head of the boat body, a front flow deflector plate is installed on the fixing support, an adjusting pull rod is arranged on the front flow deflector plate, stabilizing wings are installed on the two sides of the boat body, back flow deflector plates are installed at the lower portion of a boat tail of the boat body, an engine is installed on the back flow deflector plate and connected with a propeller, and a rudder is installed at the tail of the boat body. By means of the water-surface-leaving type speed boat, the adjustable flow deflector plate is arranged at the lower portion of the boar head to be used for controlling the turnup angle of the boat head. The three back flow deflector plates are arranged at the lower portion of the boat tail to form two air chambers; when the boat travels at a high speed, the intensity of pressure is formed when air passes through the air chambers, and the boat leaves the water surface accordingly. The water-surface-leaving type speed boat can leave the water surface, and the travelling speed can be increased by a plurality of times. The water-surface-leaving type speed boat can leave the water surface, and low energy dissipation and environmental protection are achieved.

A method for maintaining a physical asset based on recommendations generated by analyzing operational data and a composite model of a plurality of models representing the physical asset includes constructing, by a computing device, using a port-reduced static condensation reduced basis element approximation of at least a portion of a partial differential equation, the composite model. The computing device analyzes an error indicator associated with at least one model within the composite model to determine that the error indicator exceeds a tolerance level and increases a number of basis functions in the port-reduced static condensation reduced basis element approximation accordingly. The computing device receives first operational data associated with at least one region of the physical asset and updates the composite model. The computing device provides a recommendation for maintaining the physical asset, based upon the updated composite model.

The invention discloses a fishing vessel with a lightning rod. The fishing vessel with the lightning rod comprises a deck, two vessel bodies with the same structure, wheels, folding wheel carriers, two steering wheels, a kitchen and a restaurant, wherein each vessel body comprises an outer side wall plate, an inner side wall plate and a bottom faceplate; each outer side wall plate is of a V-shaped structure formed by abutting joint of an upper inclined faceplate and a lower inclined faceplate; each folding wheel carrier comprises a wheel support and a hydraulic cylinder; the wheel support is articulated with the lower end of the inner side wall plate of the vessel body; the wheel is arranged on the wheel support; when the folding wheel carrier is folded, the hydraulic cylinder is pulled to the wheel support, passes through the bottom faceplate and enters a groove in the bottom of the vessel body; when the folding wheel carrier is unfolded, the hydraulic cylinder pushes the wheel support to expand downwards; the two steering wheels are arranged on the lower inclined faceplates of the two vessel bodies; and the kitchen and the restaurant are arranged on the deck. Due to arrangement of the wheels, the fishing vessel can be conveniently pulled out from the water surface so as to be maintained. The two steering wheels are used for steering the vessel bodies.

The floating foundation supporting framework according to the invention for offshore structures comprises a plurality of buoyancy elements which are arranged on the outside of a bar-type supporting framework which, in turn, is connected to ballast elements via cables (8, 9, 10). This design results in a simple construction and low construction costs.

The invention discloses a fishing vessel with a kitchen. The fishing vessel with the kitchen comprises a deck and two vessel bodies with same structures, wherein the vessel bodies comprise external side wall boards, internal side wall boards and bottom surface boards; and the external side wall boards are V-shaped structures which are formed by butt-jointing upper slope boards and lower slope boards. The fishing vessel with the kitchen further comprises wheels and folding wheel carriers, wherein the folding wheel carriers comprise wheel brackets and hydraulic cylinders; the wheel brackets are hinged at the lower ends of the internal side wall boards of the vessel bodies; the wheels are mounted on the wheel brackets; during folding, the hydraulic cylinders pull the wheel brackets to penetrate through the bottom surface boards to enter grooves in the bottoms of the vessel bodies; and during unfolding, the hydraulic cylinders push the wheel brackets to be unfolded downwards. The fishing vessel with the kitchen further comprises two steering wheels, wherein the two steering wheels are arranged on the lower slope boards of the two vessel bodies. The fishing vessel with the kitchen further comprises the kitchen and a dining room, wherein the kitchen and the dining room are arranged on the deck. As the wheels are additionally arranged, the fishing vessel with the kitchen can be conveniently pulled out of water to be maintained; and the two steering wheels are used for steering the vessel bodies.

The invention is a method for general assembling transverse cabin and decks on a ship, firstly placing transverse cabin on bearing frusta in the bottom of a dock, then location-welding transverse cabin with the decks, then hoisting total segment onto the ship and connecting with other parts of the ship. And it solves the height problem and meets technological equipment requirements; assures personal safety of operators and largely raises general assembling speed.

The invention relates to the field of ship engineering, in particular to a law enforcement high-speed boat. The law enforcement high-speed boat is characterized in that: a broken step I, a broken step II and a broken step III, the lengths of which are gradually reduced, are sequentially arranged on the bottom sliding surface of a hull along the stem to the stern, wherein the front ends of the broken steps are arc-shaped and inclined backwards. During use, because the structure of the broken steps is adopted at the bottom of the hull, the wetted surface area can be effectively reduced; meanwhile, because arc-shaped and forwards inclined structures are adopted at the front ends of the broken steps, the air inlet quantity can be increased, and an air curtain is formed at the bottom of the hull to achieve the effect of reducing the sailing resistance and effectively improve the sailing speed; in addition, the scheme that the lengths are gradually reduced is adopted in the broken steps, so that the boat keeps a good power position during sailing and the sailing state of the boat is further improved; and the law enforcement high-speed boat has the remarkable advantages of low cost, reasonable structure, safety, reliability and the like.

An assembly for retrofitting the hull of a watercraft is presented, which includes an elongated panel which defines a longitudinal channel and at least one console. The console defines at least one chamber extending through the panel and an upper chamber opening and a lower chamber opening. The panel is sized and configured to attach to the hull at an opening in the hull, and to form a seal between the panel and the hull at the hull opening. The console of the assembly is sized and configured to receive a detachably attached propulsion device. Also presented is a watercraft having integral thereto the assembly, and a method for retrofitting a watercraft to provide a location for detachable attachment of a propulsion device such as a trolling motor.

The invention relates to an anti-corrosion mobile floating island. The anti-corrosion mobile floating island comprises a working platform, a plurality of first buoys, a plurality of second buoys and a connecting component, wherein the connecting component is used for fixedly connecting the working platform, the plurality of the first buoys and the plurality of the second buoys; the connecting component comprises a plurality of first connecting units; and each first connecting unit comprises a first connecting column and a second connecting column, wherein two ends of the first connecting column are fixedly connected with the working platform and the side surface of one first buoy, respectively; the radial section of the first connecting column is elliptical; elliptical semi-major axis where the first connecting column is placed is vertical to the axial direction of the first buoy; two ends of the second connecting column are fixedly connected with the side surface of one first buoy and the side surface of one second buoy, respectively; the radial section of the second connecting column is elliptical; the elliptical semi-major axis where the second connecting column is placed is vertical to the axial direction of the first buoy; and the axial direction of the second connecting column of each first connecting unit is coincided with the axial direction of the first connecting column. The anti-corrosion mobile floating island provided by the invention has the advantage of good seakeeping capability.

The invention discloses a hull transition joint, an aluminum steel composite material and a production method thereof. The aluminum steel composite material is composed by aluminum alloy and a steel material through different temperature rolling; the aluminum alloy is 3 series aluminum alloy or 5 series aluminum alloy; and there is no intermetallic compound between an aluminum alloy layer and a steel layer of the aluminum steel composite material. The aluminum steel composite material for the hull transition joint is composed by the aluminum alloy and the steel material through different temperature rolling, direct joint between the steel layer and the aluminum alloy can be achieved, there is no brittle intermetallic compound between the steel layer and the aluminum alloy layer, and the steel layer and the aluminum alloy have excellent joint performance.

The invention discloses an interlayer structure adopting a composite material as a core and a steel plate as cover skin. The interlayer structure comprises two upper and lower steel plate cover skin layers and a composite material core layer, wherein steel plate cover skin and the composite material core are adhered through a structural adhesive and are connected through bolts; a plurality of the interlayer structures are connected through convex and concave connectors or are connected through two concave connectors; a square steel tube is additionally arranged between the two concave connectors; the composite material core adopts a pultrusion material or an interlayer structure; the pultrusion material is of a separated mode or an integrated mode that a plurality of pultrusion materials are connected. By adopting the interlayer structure, weld joints are reduced; as the composite material is used as an internal material and is protected by steel plates, the problems of ultraviolet aging and fire and toxic gas prevention are solved, and the surface steel plates are also easy to maintain; the interlayer structure can be applied to the field of ships, is large in rigidity, high in strength, good in wearing resistance and small in stress as the composite material is used as the interlayer material; the interlayer structure can be also used in a steel box beam to take the place of an orthotropic steel plate, is large in rigidity, small in hogging moment area and more reasonable in stress.

The invention discloses a movable type floating platform structure. The movable type floating platform structure comprises a waterborne framework platform, wherein the bottom of the waterborne framework platform is connected with a plurality of buoyancy type supporting structures which are arranged at intervals; each buoyancy type supporting structure comprises a supporting body which is connected with the waterborne framework platform; a buoyancy supplying device is arranged at the bottom of each supporting body; a modularized cabin body can be hung among the buoyancy type supporting structures. The movable type floating platform structure provided by the invention is of a framework type structure and is light in weight and low in construction price; the movable type floating platform structure is provided with the modularized cabin body so that requirements of storing objects, providing power and the like can be met. The floating platform structure provided by the invention is portable in structure, low in construction price and long in utilization duration, and meets an ecological environment protection concept; a marine strategy industrial platform is realized, that is to say that a land is formed in the sea, so that more production activities can be developed and other required facilities are built.

The invention discloses an anti-collision vessel with an elastic frame structure. The anti-collision vessel with the elastic frame structure overcomes the defects that at present, after ships collide with each other, the ships crack and are damaged, and weld joints are disengaged. The anti-collision vessel with the elastic frame structure is characterized in that a vessel body structure is an integrated elastic frame type structure, a hull, a deck and a framework of the vessel are made of elastic high-strength materials, the hull is in the shape of an oval arc, focal points of stress are removed, the framework is of an arc shape or wavy shape according to the shape of the hull, and the deck is of a double-layer structure. The same principle can be applied to modification that an elastic protective layer for collision resistance is additionally arranged on an existing ship, and the collision resistance performance of the ship can be greatly improved. The whole vessel has the micro elastic deformation function, after the nose or the stern or the two sides of the vessel are collided, the vessel body can have corresponding micro elastic deformation under the action of impact force, instantaneous impact energy in the collision process can be buffered and absorbed, and the collision resistance security coefficient of the vessel can be greatly increased. The elastic structure of the vessel cannot influence normal traveling and the bearing capacity of the vessel.

The invention discloses a ship with an adjustable ship squat and an adjustable ship width. The ship comprises a ship body. The two sides of the ship body are each provided with ship width adjusting mechanisms and squat adjusting mechanisms, wherein the ship width adjusting mechanisms are used for changing the ship width, and the squat adjusting mechanisms are used for changing the ship squat. Each ship width adjusting mechanism comprises a turnover plate, supporting rods, a first containing cabin and a driving device, wherein the turnover plate is hinged to the side edge of a deck of the ship body, the first containing cabin is arranged in a double-layer hull on the ship board portion of the ship body, the driving device is installed in the first containing cabin, one end of each supporting rod is supported by the turnover plate, the other end of each supporting rod is hinged to the first containing cabin, and the middle portion of each supporting rod is hinged to the driving end of the driving device. Each squat adjusting mechanism comprises a second containing cabin, an inflating and deflating device and an extensible air bag, wherein the second containing cabin is arranged in double-layer hull on the ship board portion of the ship body, the inflating and deflating device is installed in the second containing cabin, and the extensible air bag is communicated with the inflating and deflating port of the inflating and deflating device and can extend out of the ship body. The first containing cabins and the second containing cabins are arranged in a staggered mode.

A structural component for a ship hull has a metal element, an electro-conductive element, and a non-conductive element which disconnects the metal element from the electro-conductive element so as to prevent an electrical contact of the electro-conductive element with the metal element.

The invention discloses and provides a dismountable railing which is simple in structure, reasonable to design and convenient to dismount. The dismountable railing disclosed by the invention comprises a railing body, a base, a pressing assembly and a buckling assembly, wherein the pressing assembly is connected with the buckling assembly through an interlocking rod; a placing cavity which is adapted to the pressing assembly, the buckling assembly and the interlocking rod is formed in the railing body; the pressing assembly is placed at the upper end of the railing body; the buckling assembly is placed at the lower end of the railing body, and comprises a lock pin; and the base is provided with a locking groove matched with the lock pin. The dismountable railing disclosed by the invention is suitable for the field of ship railings.