48results about "Hull stems" patented technology

The utility model provides an unmanned cleaning ship. The unmanned cleaning ship comprises a ship body, a propeller, a garbage basket, a salvage assembly and a blocking net. The number of the ship bodies is two, the two ship bodies are arranged side by side and connected with each other, and a containing space is formed between the two ship bodies. The front end part of any ship body is tip-shaped; the propellers are connected with the tail ends of the two ship bodies; the garbage basket is located in the containing space and connected with the ship body. The front end of the salvage assembly is located on the bottom side of the ship body, and the tail end of the salvage assembly is located on the upper side of the garbage basket. The catamaran adopts the slender sheet body design, so that the viscous pressure difference resistance borne by the catamaran body in the sailing process can be reduced; the tip water breaking design is adopted at the head of the catamaran sheet body, so that wave-making resistance generated during sailing of the catamaran body can be reduced, ship waves are reduced, and the catamaran is more stable; as the wave-making resistance and the eddy resistance are reduced, the catamaran shows higher stability and efficiency during low-speed sailing, and long-time and continuous water surface garbage cleaning operation is facilitated.

The utility model provides a novel deck transport ship, which belongs to the technical field of marine ship equipment and comprises a ship body. One end of the ship body is a ship head body, the other end of the ship body is a ship tail body, the ship head body is upright in appearance, a bow thruster is arranged on the lower portion of the ship head body, the ship tail body is of an asymmetric double-tail type, thrusters are arranged on the two sides of the ship tail body respectively, deck fences are erected on the upper surface of the ship body, and an area defined by the deck fences is a cargo storage area. A plurality of container fixers are arranged in the cargo storage area in an array mode, and a retractable vehicle springboard is arranged on the side, close to the ship head body, of the deck fence so that external trucks can convey cargoes into the cargo storage area. The device can solve the problems that an existing deck ship is large in resistance, insufficient in propelling performance, inconvenient to carry goods and the like, the improvement mode is simple, and the device is suitable for popularization.

The application relates to the technical field of ship engineering, and discloses a wave-blocking water-tight structure for a ship, the ship comprising a bow house deck, the bow house deck being provided with deck machinery, and comprising the following components: a wall plate assembly, which is installed on the bow house deck; and a wave-blocking shell, which is installed on the bow house deck, the rear end of the wave-blocking shell being connected to the wall plate assembly, the wave-blocking shell, the wall plate assembly and the bow house deck jointly defining a protection cavity, and the deck machinery being accommodated in the protection cavity. The wave-blocking water-tight structure for the ship can effectively improve the sealing performance of the bow house deck area, realize all-around protection of the deck machinery, and optimize the buoyancy distribution and the navigation stability of the ship.

Disclosed in the present invention is a hull form of a shallow-draft anti-rolling transport vessel. The hull form comprises a stern section, a cargo hold section and a bow section which are connected in sequence, wherein the length of the stern section does not exceed 30% of the overall length of a vessel; the length of the bow section does not exceed 25% of the overall length of the vessel; the stern section uses a multi-hull structure; the cargo hold section uses a monohull structure; the bottom of the cargo hold section is of a double-bottom structure; the bow section uses a catamaran structure; side flare structures are arranged at both sides of the stern section and the bow section; the stern section, the cargo hold section and the bow section share a main deck; and the main deck is a flat grillage. In the present invention, by means of reducing the draft, a wetted surface area and a wave height during high-speed navigation are reduced, thereby greatly reducing wave-making resistance; and the stability and seakeeping performance of the vessel under severe sea conditions are also taken into account.

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 the technical field of ship manufacturing, in particular to a ship bow and a ship bow construction method, the ship bow comprises: a bow section including a bow outer plate, the height of which extends along the height direction of the ship, and the width of the bow outer plate extends along the width direction of the ship; the first broadside section comprises a first broadside outer plate and is arranged on one side of the ship; and the second broadside section comprises a second broadside outer plate and is arranged on the other side of the ship. The ship bow comprises the bow section, the first broadside section and the second broadside section, the plates can be manufactured in an assembly line mode in the thin plate manufacturing stage, the building efficiency is greatly improved, the procedure complexity degree of independent manufacturing due to the fact that the radians of outer plates of different deck layers are different can be greatly reduced, and the manufacturing cost is reduced. The bow outer plate and the broadside outer plate are covered in a large area, so that the completeness of the outer plates is greatly improved, meanwhile, the aloft work of the outer plates is reduced, and the safety of workers in the outer plate connecting process is improved.

The invention provides a shark type unmanned cruise boat, and relates to the field of ships. The shark type unmanned cruise boat comprises a boat body assembly, an edge strip assembly, a peripheral balloon assembly and a bow cabin filling assembly. The edge strip assemblies are arranged on the outer sides, protruding outwards, of the middles of the two sides of the boat body assembly, and standing platforms are arranged on the upper sides of the edge strip assemblies. The peripheral balloon assemblies are arranged on the two sides of the boat body assembly and the streamline nose cone position of the boat body assembly. The standing platform of the shark-shaped unmanned cruise boat provides a standing position for an operator and also has the capability of improving the stability of the boat body assembly, and the peripheral balloon assembly has the capability of improving the stability of the boat body assembly while playing a buffering role in approaching a main boat, so that the stability of the boat body assembly is improved. And in cooperation with the bow tank filling assembly filled in the fore peak tank and the arc-shaped cover for sealing, the rollover resistance of the boat body assembly is improved, and unmanned remote operation of the boat body assembly is more convenient.

Described is a multi-use offshore structure having a first configuration and a second configuration. The first configuration includes a pontoon base disposed at a lower end of the multi-use offshore structure. A deck is disposed at an upper end of the multi-use offshore structure, and hull column structures extend between the pontoon base and the deck. The second configuration includes the pontoon base, the deck, and the hull column structures of the first configuration. A set of sponsons is formed to be installed on the hull column structures, and a deck expansion unit is connectable with the deck.

The utility model discloses a buffer type stem structure which is fixedly connected to the foremost end of a bow of a ship and is characterized in that the buffer type stem structure comprises a stem body, the stem body comprises a hollow pipe body and a reinforcing rib, the hollow pipe body is fixedly connected with side plates on the two sides of the bow, and the reinforcing rib is fixedly connected with the hollow pipe body. The outer wall of the side, facing the interior of the ship, of the hollow pipe body is fixedly connected with a reinforcing rib arranged along the hollow pipe body. The utility model further discloses a ship provided with the cache type stem structure. Due to the fact that the stem is of the hollow structure, the stem can collapse and deform inwards in the collision process, the force unloading and buffering functions are achieved, and the risk that a ship body is damaged in the collision process is reduced.

The utility model discloses a boat-shaped structure of a high-speed rescue boat, which belongs to the technical field of high-speed boats and is characterized by comprising a boat body, a bow of the boat body is V-shaped, a first break angle and a second break angle are arranged on the bottom surface of the boat body, the first break angle is positioned above the second break angle, the first break angle extends from the stern of the boat body to the bow of the boat body, and the second break angle extends from the bow of the boat body to the bow of the boat body. The first bevel extends from the bow of the boat body to the stern of the boat body, the second bevel extends from the bow of the boat body to the stern of the boat body, the first bevel and the second bevel are symmetrically distributed along the center line of the boat body, and the boat-shaped structure can change the flowing state of water flow at the bottom of the boat body through the first bevel and the second bevel, so that the water flow can be separated more smoothly when flowing through the boat body, and the resistance of the boat body during movement is reduced; and the bevel I and the bevel II can guide water flow to flow along corresponding paths, so that the water flow forms more concentrated and stable wake flow at the stern of the boat body, the resistance can be further reduced, the stability of the boat body is improved, and the sailing efficiency is improved.

A ship is provided with: a hull having a pair of sides; the upper deck is arranged on the ship body; a tank provided in the hull, the upper portion of the tank extending through the center of the upper deck in the width direction of the hull and protruding above the upper deck; a tank cover that is provided on the inner side in the ship width direction with a space therebetween with respect to the pair of broadsides, covers the plurality of tanks from above, and has a top flat surface that extends in the fore-aft direction; and a bow deck formed so as to be continuous from the top flat surface toward the bow side, and extending across the width direction of the ship between the pair of broadsides.

The application belongs to the technical field of ship manufacturing, and discloses a manufacturing method of a ship bow stem and the ship bow stem. The manufacturing method comprises the following steps: S1, manufacturing a keel web plate, a keel surface plate, a horizontal baffle, a transverse rib plate, a bow stem plate and a ship body plate; S2, manufacturing an auxiliary lining plate with a width smaller than the keel surface plate; S3, welding the auxiliary lining plate on the keel web plate; S4, sequentially welding the horizontal baffle, the auxiliary lining plate and the keel web plate; S5, sequentially welding the transverse rib plate, the auxiliary lining plate and the keel web plate; S6, welding the bow stem plate, the keel web plate, the horizontal baffle and the transverse rib plate; S7, welding the ship body plate, the bow stem plate, the horizontal baffle and the transverse rib plate; and S8, welding the keel surface plate on the auxiliary lining plate. Without the interference of the keel surface plate, the ship body plate has sufficient operation space for effective welding with the horizontal baffle, the transverse rib plate and the bow stem plate, thereby reducing the difficulty in assembly and welding.

The invention provides a high-speed wave head penetrating ship, and relates to the field of ship engineering, the high-speed wave head penetrating ship comprises a high-speed wave head penetrating ship and a stem post, the bottom edge is in a micro-oval shape, the top is in an inverted triangle shape, the high-speed wave head penetrating ship protrudes towards the head, the side view geometric feature is in a cutting edge shape, and the stem post is of a forward-inclining type structure, a backward-inclining type structure and a vertical type structure. According to the method, the high-speed wave piercing head is designed into a specific geometrical shape, the size of the high-speed wave piercing head meets the cross section area curve distribution requirement of the whole ship, the head protruding length is related to the wavelength and the speed, and the cross section fat and thin degree meets the design parameters of the molded line inflow section, so that the wave-making resistance and the shape resistance during ship navigation are effectively reduced; meanwhile, the seakeeping performance of the ship in the waves is improved, the pitching amplitude, wave attack and splashing are reduced, stall in the waves is reduced, the excellent and comprehensive sailing performance is achieved, the dual technical advantages of high sailing speed and high seakeeping performance are achieved, and the ship is particularly suitable for the high-speed ship in the transition state.

The application belongs to the technical field of shipbuilding, and particularly relates to a method for optimizing the transition area of a round steel and an outer plate of a bow column of a ship. The method comprises the following steps: a round steel is designed and installed at the bow of the ship, so that the round steel is clamped by the outer plates on both sides; the relative position and the welding position of the outer plates and the round steel are adjusted at different height positions of the ship, so that the round steel is smoothly connected with the outer plates at the upper and lower ends thereof; a node is designed in the cross-sectional view of each height position of the round steel, so that the round steel protrudes to match the outer plate line of the ship; the upper and lower ends of the round steel are gradually connected with the outer plates; a wooden mold is made according to the data provided by the node, which is used for checking the shape and data on site; and a plurality of reference lines are designed and positioned, which correspond to the reference lines of the ship body. The method improves the aesthetic appearance of the bow column of the ship, reduces the water flow resistance, and improves the economy of the ship operation.

The present invention relates to a submersible stern platform (100) equipped with openings for recreation, comprising an opening (150), one or more secondary openings (160) preferably arranged along the vicinity of the opening (150), the opening (150) being reversibly closed by a gate (151) and the secondary openings (160) being reversibly closed by one or more secondary gates (161).

The invention discloses a high-speed quadruple ship structure, and belongs to the technical field of ship engineering. The high-speed quadruple ship comprises two bow and stern catamarans which are the same in size and are symmetrically arranged. Each bow and stern catamaran comprises a bow piece body and a stern piece body, and the bow piece bodies and the stern piece bodies are arranged at intervals in the longitudinal direction; a continuous main deck is arranged above the two bow and stern catamarans, the main deck covers a central area defined by the four sheet bodies, and the sheet bodies are connected with the main deck through independent damping structures. Through differentiated design of the front sheet body and the rear sheet body and optimized sheet body layout, on the premise that the displacement is kept equivalent to that of a catamaran, the total width of the ship body is remarkably increased, the transverse stability and the deck area are improved, meanwhile, the hydrodynamic performance is optimized, the high-speed high-sea-condition maintaining capacity is high, the wave impact load is greatly reduced through a damping system, and the service life of the catamaran is prolonged. Hull movement is inhibited, and good compatibility of high navigational speed and high stability is achieved; and rapid large-scale construction is facilitated.

The utility model discloses a novel green and environment-friendly sunken inland river traffic patrol ship which comprises a main deck, a passenger cabin and a propelling system. The passenger cabin is embedded in the main deck; the bottom deck of the passenger cabin is positioned below the main deck; the top of the passenger cabin is positioned above the main deck; the propulsion system is an electric propulsion system; and a battery cabin is arranged below the main deck. The utility model has the advantages of environmental protection, zero emission, low noise and low vibration; wind resistance can be reduced, and energy consumption is reduced; and the passing requirement that most of bridges in inland water areas are low is met.

Described is a multi-use offshore structure having a first configuration and a second configuration. The first configuration includes a pontoon base disposed at a lower end of the multi-use offshore structure. A deck is disposed at an upper end of the multi-use offshore structure, and hull column structures extend between the pontoon base and the deck. The second configuration includes the pontoon base, the deck, and the hull column structures of the first configuration. A set of sponsons is formed to be installed on the hull column structures, and a deck expansion unit is connectable with the deck.

The invention belongs to the technical field of air cushion suspension transportation equipment, and relates to an air cushion suspension ship with a lift low-wind-resistance bow body, the air cushion suspension ship comprises a ship body main frame, an arc streamline bow body and a stern body, the arc streamline bow body and the stern body are symmetrically arranged at the two ends of the ship body main frame, the sweepback angle of the front edge of the bow is 17-18.3 degrees, and the downward inclination angle of the lower edge of the bow is 5-7 degrees to form a front air seal. An integrally-formed air cushion flow guide enclosure shell is arranged on the lower portion of the ship body main frame, the air cushion flow guide enclosure shell, the ship head and the ship tail define an air cushion positive pressure cavity, and a ground effect air cushion is formed through air supply of front and rear duct booster fans to achieve non-contact suspension. The system further comprises a splayed symmetrical four-rotor power system, and four groups of rotor assemblies are fixed through vertical left and right motor mounting brackets to form a main propulsion and posture adjusting unit. Wind resistance is reduced and lifting torque is generated through the bow at a specific angle, air leakage is restrained in cooperation with an air seal structure, and low-wind-resistance, zero-friction suspension and high-stability control are achieved.

The invention relates to the technical field of ship engineering, and discloses a wave-blocking watertight structure for a ship, the ship comprises a forecastle deck, a deck machine is placed on the forecastle deck, the wave-blocking watertight structure comprises a wall plate assembly, a wave-blocking watertight structure, a wave-blocking watertight structure, a wave-blocking watertight structure, a wave-blocking watertight structure, a wave-blocking watertight structure and a wave-blocking watertight structure, the wave blocking shell is installed on the forecastle deck, the rear end of the wave blocking shell is connected to the wall plate assembly, the wave blocking shell, the wall plate assembly and the forecastle deck jointly define a protection cavity in an enclosing mode, and the deck is mechanically contained in the protection cavity. According to the wave blocking watertight structure for the ship, the sealing performance of the forecastle deck area can be effectively improved, all-directional protection on deck machinery is achieved, and meanwhile buoyancy distribution and navigation stability of the ship are optimized.

The present invention relates to a submersible stern platform (100) equipped with openings for recreation, comprising an opening (150), one or more secondary openings (160) preferably arranged along the vicinity of the opening (150), the opening (150) being reversibly closed by a gate (151) and the secondary openings (160) being reversibly closed by one or more secondary gates (161).

The stem structure comprises a stem body and a pressure relief plate connected to the front side of the stem body, a plurality of transverse supporting plates are arranged on the inner side of the stem body, a supporting rod is connected between every two adjacent transverse supporting plates, and a plurality of pressure relief holes are formed in the pressure relief plate. The outer surface of the pressure relief plate is detachably connected with a titanium alloy filter screen covering the pressure relief holes, a filter mesh corresponding to the titanium alloy filter screen is arranged between the pressure relief plate and the titanium alloy filter screen, the filter mesh comprises a plurality of grooves in one-to-one correspondence with the pressure relief holes, and the grooves bend towards the corresponding pressure relief holes and are arranged in the corresponding pressure relief holes. The cargo ship has the advantages that in the driving process of the cargo ship, the titanium alloy filter screen and the filter screen piece are arranged to avoid the situation that the pressure relief holes are prone to being blocked by marine organisms or sundries and cannot effectively divide water flow of the ship bow, the frequency that the pressure relief holes need to be cleaned by sailors due to blockage is reduced, and the maintenance workload and time are reduced.

The invention discloses a gravity and buoyancy balanced type telescopic bulbous bow device which comprises a bulbous bow and an adjusting module, the bulbous bow comprises a tail plate, a connecting structure and a telescopic body, the tail plate is connected with the telescopic body through the connecting structure, the adjusting module comprises a guide rail, an electric trolley and limiting blocks, the limiting blocks are installed on the upper surface and the lower surface of a fore peak, and the guide rail is connected with the electric trolley. A guide rail is arranged between the limiting block and the anti-collision bulkhead, an electric trolley is arranged on the guide rail, the tail plate is connected with the electric trolley, and the electric trolley drives the tail plate to move between the anti-collision bulkhead and the limiting block. The bulbous bow is designed to be in a gravity and buoyancy balance type, meanwhile, the control system is used for analyzing the ship navigation state, the length of the bulbous bow is automatically adjusted, the adaptability of the bulbous bow to different navigation states is effectively improved, and the wave-making resistance reducing effect of the bulbous bow is improved.

The application discloses a water-entry load-reducing structure and an attitude adjusting method of a navigation body, relates to the technical field of water-entry load-reducing structures of navigation bodies, and solves the problems of poor underwater navigation stability of a conical-head navigation body, tail slapping of the navigation body, and even overturning of the navigation body. The multi-cone combined head is arranged at the top end of a column body; the multi-cone combined head comprises a central conical head and a plurality of circumferential conical heads which are uniformly distributed around the central conical head; a plurality of through holes are arranged in the column body; the top of the through hole is arranged between the central conical head and the plurality of circumferential conical heads and is uniformly arranged around the central conical head, and the bottom of the through hole is arranged on the side of the column body; and a control device arranged in the column body controls the opening and closing of the through hole. The through hole arranged in the column body can relieve the slamming effect of the head of the navigation body on water and expel water flow in the water-entry stage, so that the load-reducing purpose is achieved; and the opening and closing of the through hole is controlled underwater, so that the attitude of the navigation body is adjusted.

The invention discloses a navigation body underwater load reduction structure and a posture adjustment method, relates to the technical field of navigation body underwater load reduction, and solves the problems that a conical head navigation body is poor in underwater navigation stability, tail flapping is very easy to occur, and even the navigation body turns over. A multi-cone combined head is arranged at the top end of a column body; the multi-cone combined head part comprises a central cone head and a plurality of circumferential cone heads; the circumferential cone heads are uniformly distributed around the central cone head; a plurality of through holes penetrating through the column body are formed in the column body; the tops of the through holes are arranged between the central conical head and the plurality of circumferential conical heads and are uniformly arranged around the central conical head, and the bottoms of the through holes are arranged on the side surface of the column body; a control device arranged in the column body controls opening and closing of the through hole. The through holes are formed in the columns, so that the slamming action of the head of the navigation body and water is relieved in the underwater stage of the navigation body, water flow is discharged, and the purpose of load reduction is achieved; the posture of the navigation body is adjusted by controlling opening and closing of the through hole underwater.

A boat includes an inner hull layer an outer hull layer. Each layer includes a deck, a starboard side, a port side, and a stern. Each layer is assembled from flat sections. The boat further includes a waterproof layer located between the inner and outer hull layers. Each layer can be disassembled for boat storage purposes.

The utility model provides a multifunctional ocean tugboat, which belongs to the technical field of ocean tugboat equipment and comprises a boat body, a boat head body is arranged at the right end of the boat body, a boat tail body is arranged at the left end of the boat body, the boat head body is upright in appearance, a bow thruster is arranged on the lower portion of the boat head body, and a thruster and a flap rudder are arranged on the lower portion of the boat tail body. A working deck is arranged at the upper end of the ship body, a cab is erected on the upper surface of the end, close to the ship head body, of the working deck, a fire monitor is arranged on the top of the cab, and a towing engine is arranged in the middle of the working deck. The device can reduce the resistance of ship navigation, expand the visual field of a cab during operation, improve seakeeping, and is suitable for popularization.

A vessel, comprising a deckhouse (3), wherein ballast water tanks (7) are arranged on two sides below the deckhouse (3); a gravity tank (8) is arranged in the middle between the ballast water tanks (7) on the two sides; an air chamber (9) is provided between each of the ballast water tanks (7) on the two sides and the gravity tank (8); a watertight compartment (23) is provided below the tank bottom of each ballast water tank (7); a pressure-boosting bulkhead (48) is provided below each watertight compartment (23); a vertical surface of each pressure-boosting bulkhead (48) is provided with a pressure-equalizing opening (17); an arched gravity block (14) is provided below each pressure-boosting bulkhead (48); flow diversion plates (4) are arranged on a bow (2) in a manner of extending downwards and backwards; a dual-flow conversion plate (18) is arranged between the tank bottom of the gravity tank (8) and an enclosure plate; a pressure-balancing pocket (49) is provided on the inner lower edge of each air chamber (9) from an intersection point in the air chamber (9) below an outer hull board (6) of the bow (2) backwards to a junction point at the compartment bottom of the corresponding watertight compartment (23); and a combination of a dual-flow conversion force and propellers (25) is used for improving the traveling speed of the hull (1) of a flat structure.

The bulbous bow is arranged on the lower side of a ship bow, a bulbous bow watertight compartment sunken towards the inner side of a ship body is arranged on the lower side of the ship bow in the X direction, and the bulbous bow comprises a bulbous bow outer plate, a positioning module and a driving module; the bulbous bow outer plate arranged in the bulbous bow watertight compartment can extend out of or retract into the bulbous bow watertight compartment along the X direction under the action of the driving module; the positioning module comprises a positioning rod and a limiting block, one end of the positioning rod is fixed to the stern end of the bulbous bow outer plate in the X direction, the other end of the positioning rod is arranged in the ship body, the limiting block is perpendicular to the positioning rod and fixed in the ship body, and the positioning rod sequentially penetrates through the bulbous bow watertight compartment and the limiting block in the direction from the outside to the inside of the ship. A limiting hole is formed in the limiting block, and the positioning rod penetrates through the limiting hole and can slide in the limiting hole in the X direction. The bulbous bow is high in structural property and stability and can stably stretch out and draw back under various sailing conditions, so that the wave-making resistance of the ship is always the minimum under the variable sailing speed.