58results about "Hull panellings" patented technology

The invention belongs to a ship cabin structure in the technical field of ships. A ceramic wool layer is arranged on the deck (1) and comprises a framework plate (2) and ceramic wool (3), the framework plate (2) is provided with a plurality of framework plate holes (4) to form a honeycomb structure, the ceramic wool (3) is arranged in each framework plate hole (4) and covers the upper surface and the lower surface of the framework plate (4) at the same time, and a deck covering layer (5) is arranged on the upper surface of the ceramic wool layer. And a built-in enclosure bulkhead plate is arranged on the deck dressing layer (5). According to the ship cabin structure, the structure is simple, main vibration sources and noise isolation can be effectively achieved, silence and no vibration of the experiment cabin are achieved, the limitation of the arrangement position of the experiment cabin is small, an experiment can be conducted in the ship traveling period, and the requirement is met.

The utility model relates to the technical field of fire prevention devices, in particular to a cabin fire prevention and heat insulation system which comprises a fire prevention grating, a fire prevention penetrating piece, a fire prevention and heat insulation plate and a plurality of connecting assemblies, the fire prevention grating covers a first opening in the fire prevention and heat insulation plate and can rapidly expand and close the opening in case of fire, fire spreading is blocked, and the fire prevention and heat insulation effect is good. The fireproof penetration piece is arranged in the second opening of the fireproof heat insulation plate in a penetrating mode and used for arranging a cable and a pipeline in a penetrating mode and protecting the cable and the pipeline against fire damage, the fireproof protection layer comprises a first protection layer, an isolation layer and a first heat insulation layer, and the fireproof heat insulation layer comprises a core layer, a second heat insulation layer and a second protection layer; through reasonable material selection and interlayer matching, heat management is optimized, the fireproof performance is improved, a fireproof heat insulation gasket in the connecting assembly blocks heat transfer on the connecting assembly, the fireproof heat insulation plate is fixed and supported through an aluminum alloy plate, angle iron and other assemblies, and it is ensured that the fireproof heat insulation system is stable in structure and convenient to install and maintain.

The invention discloses a method for reinforcing a constrained damping coating through a honeycomb structure and a construction technology, and relates to the technical field of ship vibration and noise reduction. In the construction process of common damping paint, a selected honeycomb structure is embedded in an uncured damping coating, the embedding depth is controlled to not destroy the interface where the damping coating is tightly connected with a base body, and the damping coating is tightly bonded through the interaction of the vertical face of the honeycomb structure and the damping coating. The bottoms of the damping islands are continuous, the upper portions of the damping islands are separated by the honeycomb walls, the height of the honeycomb is controlled so that after the damping coating is completely dried, part of the honeycomb is still exposed out of the damping coating, and therefore an open type constraint structure is formed on the surface of the base body in situ. The open honeycomb structure avoids the problem that a traditional continuous restraint layer affects the drying time and the film forming strength of the damping layer. On the structure, restraint layer paint is further coated, and after the restraint layer is dried, a brand-new composite restraint damping coating is formed.

A heating plate (1) for the floor of a ship, comprising:-a metal base (3); a metal cover (2); -a polymeric support (4) arranged between the base (3) and the cover (2); -a heating element (5) adapted to generate heat upon energization and arranged between the polymeric support (4) and the cover (2); wherein the base (3) and the cover (2) form a hermetically sealed housing (10), in particular by means of a sealing material; wherein the polymer support (4) and the heating element (5) are arranged in the hermetically sealed housing (10); wherein the base (3) is provided with a peripheral side wall (31) extending laterally from a flat portion (30) of the base (3); the heating plate (1) comprises at least one temperature probe (6a, 6b) or at least one tube adapted to receive a temperature probe, passing through a corresponding first opening (36a, 36b) of the peripheral side wall (31); the respective first opening (36a, 36b) is completely blocked, in particular partially blocked by a respective temperature probe (6a, 6b) or by a respective tube and partially blocked by a sealing material.

This invention relates to the field of decorative panel technology and proposes a marine decorative composite interior panel, comprising a composite panel with two grooves of different sizes on its surface. Each groove contains a matching solid wood decorative strip. Each solid wood decorative strip includes two rectangularly distributed longitudinal strips and two transverse strips, as well as silicone spacers sandwiched between the longitudinal and transverse strips. The edges of the grooves are provided with sloping surfaces. This invention, by pressing the longitudinal strips on both sides, gradually brings them into contact with the grooves. The pressing structure at the ends of the longitudinal strips moves within the insertion slots on both sides of the transverse strips, causing the two transverse strips to gradually move outwards and in opposite directions. Once the longitudinal strips are fully in contact with the grooves, the elastic force of the elastic element allows the longitudinal and transverse strips to lock into the corresponding stop portions of the grooves, thus solving the problem of slow installation efficiency in existing decorative panels.

The utility model discloses an environment-friendly damp-proof wood plywood for ships, which relates to the technical field of wood plywood for ships and comprises a top plate formed by splicing a plurality of wood boards, connecting components are arranged among the wood boards, a mounting block is arranged on one side of the top plate, a plurality of damp-proof components are arranged on the mounting block at equal intervals, and a C-shaped supporting seat is arranged on the other side of the top plate. According to the wood plywood, the inserting columns and the connecting blocks in the connecting assemblies are matched in the rectangular grooves of the wood boards, so that the stability of connection between the wood boards is enhanced conveniently, the stability of the overall structure of the wood plywood is improved, and then the function of long-term stable use can be achieved; and through cooperation of ventilation openings in mounting blocks in the moisture-proof assemblies and drying blocks, surrounding damp air can be absorbed conveniently, the problems that traditional wood plywood glue connection is prone to loosening, the bottom face cannot effectively prevent moisture and the structure is unstable are finally solved, the using effect of the wood plywood in the ship environment is improved, and the service life of the wood plywood in the ship environment is prolonged.

The utility model belongs to the technical field of ship cabin wallboards, and particularly relates to a light-weight sound-insulation fire-resistant ship cabin wallboard which comprises a wallboard body, splicing grooves are formed in the four corners of the rear surface of the wallboard body, the interiors of the splicing grooves extend to the exterior of the wallboard body, splicing holes are formed in the two faces of the interior of each splicing groove, and the splicing holes are communicated with the splicing grooves. A first splicing block is connected between the two splicing grooves in an inserted mode, and a second splicing block is connected between the four splicing grooves in an inserted mode. After a plurality of wall plate bodies are spliced together, the opposite splicing grooves correspond to each other, the two splicing grooves are connected through the first inserting splicing blocks, and the four splicing grooves are connected through the second inserting splicing blocks, so that the plurality of wall plate bodies can be spliced conveniently, and the splicing efficiency is improved. And after the first splicing blocks and the second splicing blocks are connected in an inserted mode, the multiple wall plate bodies are spliced through installation of the connecting assemblies and the installation holes, and therefore the multiple wall plates can be conveniently spliced, and use is convenient.

The invention discloses an assembly type hard fireproof insulation board and a preparation method thereof, belongs to the technical field of ship materials, and aims to solve the problems that an existing insulation board is limited by space on a ship, the site is insufficient to meet the mold pouring requirement, and meanwhile, the insulation board needs to be produced and is convenient to carry out insulation integrated installation on the ship. According to the invention, through the matching arrangement of the modular insulation board and the side frame, the modular insulation board is of an assembly type, the right-angle frame is arranged at the side end, and the right-angle frame is matched with the modular insulation board, so that the side end of the assembled insulation board is kept in sealing performance, and the stability is ensured through screw connection; the glass fiber composite cloth backing avoids reduction of heat preservation performance, mildewing or corrosion of a base material after the core material in the frame piece absorbs moisture, the decorative plate is used for improving attractiveness, core material treatment, heat preservation plate filling, heat preservation plate assembling and surface treatment are arranged, core material treatment and heat preservation plate filling can be completed in advance, finally assembling and surface treatment are completed on a ship, and the service life of the ship is prolonged. The mounting effect is ensured.

A liquefied gas cargo tank is disclosed. A liquefied gas cargo tank according to an embodiment of the present invention comprises: a primary barrier including a plurality of corrugated parts of the same size but differing directional orientation, and an intersection part that is intersected by the differently oriented corrugated parts; and an insulation panel assembly surrounding the primary barrier, wherein the insulation panel assembly comprises differently angled first and second corner panels provided in the corners of the hull, and, in accordance to the angles of the first and second corner panel units, the primary barrier can be installed so as to have differing rigidity based on the orientation of the corrugated parts.

System and method for applying adhesive to the assembly of a liquefied gas tank wall. The invention relates to an adhesive application system (50) for assembling a tank wall intended to contain liquefied gas, for bonding a panel to a portion of a secondary sealing membrane (24) covering two thermal insulation blocks (21, 23). The adhesive application system (50) comprises: - a first nozzle (51) for dispensing adhesive at a first flow rate onto the portion of the secondary sealing membrane (24), the first nozzle (51) being adapted to be positioned above a first (21) of the two thermal insulation blocks, - a second nozzle (52) for dispensing adhesive at a second flow rate onto the portion of the secondary sealing membrane (24), the second nozzle (52) being adapted to be positioned above a second (23) of the two thermal insulation blocks, and - independent control means for the first and second flow rates. flow rate. (Figure 2)

The invention provides a fragment protecting and buffering device for a ship recovery cabin, and relates to the technical field of ship engineering, the fragment protecting and buffering device comprises a rubber buffering block body, a middle protecting steel plate is fixedly mounted on the top end face of the rubber buffering block body, a top protecting steel plate is arranged above the middle protecting steel plate, and the middle protecting steel plate and the top protecting steel plate are fixedly connected. Five glass tubes are inserted in the gap area corresponding to the two non-woven fabric pads, when the device is subjected to effective collision, red warning solutions filled in the glass tubes can be broken and flow out along with the glass tubes and rapidly diffuse to the non-woven fabric pads through the liquid guide grooves of the middle protection steel plate, the non-woven fabric pads are dyed, the length of the liquid guide grooves covers the range of the observation opening, and the observation effect is good. The dyeing effect can be visually checked through the observation opening of the top protection steel plate, whether collision occurs or not can be judged without dismounting the device, and the problem that a traditional protection device lacks an effective collision warning mechanism is solved.

The invention relates to a laminate material for improving the sound insulation properties of vehicles, which is used in particular in underwater vehicles, but is also suitable for use in technical fields that are not limited to this area of ​​application.

The invention relates to the technical field of ship and ocean engineering, in particular to a main layer plywood of a thin film cabin containment system, which comprises a metal foil arranged on one side, close to a main screen wall thin film, of the main layer plywood and used for thermal protection; a containing groove used for installing the metal foil is formed in one side of the main layer plywood, and the containing groove penetrates through the two sides of the main layer plywood. The metal foil is not fixedly attached to the inner wall of the bottom of the containing groove. According to the thin-film cabin enclosure system, all structural characteristics are cooperated, the structural stability and working condition adaptability of the enclosure system are enhanced while efficient welding heat dissipation and convenient and accurate installation are achieved, the maintenance cost caused by component damage and installation deviation is reduced, and the thin-film cabin enclosure system is suitable for thin-film cabin enclosure systems of high-end equipment such as large liquid cargo tanks and LNG transport ships; and the method has good practical application value.

A metal scupper 1 comprising a walled funnel 2 having an inlet 3 and an outlet 4, and internally mounted annularly therebetween to the walls of the scupper, a layer of intumescent material 6. The laye

This invention discloses a biomimetic bulkhead filling structure with sound absorption and noise reduction functions and its preparation method, belonging to the field of shipbuilding and marine engineering technology. This invention extracts the microscopic hollow structure characteristics of crane feathers and integrates the sound absorption principle of Helmholtz resonators to establish four biomimetic lattice structures. By drawing on the hollow structure characteristics of crane feathers through biomimetic design, a lattice structure base with high mechanical robustness is constructed. At the same time, the sound absorption principle of Helmholtz resonators is integrated to organically combine the resonant sound absorption structure with the biomimetic lattice base. This structure inherits the mechanical advantages of crane feathers in terms of light weight and high mechanical robustness, and also has efficient sound absorption and noise reduction capabilities, meeting the integrated requirements of ship bulkheads for lightweight, high mechanical performance, and wide-band efficient sound absorption and noise reduction.

The invention relates to a wall (11) comprising a thermally insulating barrier (12, 14) and a metallic sealing membrane (13, 15) resting against the thermally insulating barrier; the thermally insulating barrier comprising at least one load-bearing element (20), the load-bearing element comprising: - a hollow pillar (21) made of composite material that rises along the thickness direction (E) of the wall, - a sleeve (25) made of composite material fitted onto the hollow pillar and bonded against a longitudinal surface of the pillar; and - an internal plate (22) that is metallic, fixed to the sleeve via a fastening device and against which the sealing membrane is welded, wherein the sleeve has an internal end that is flush with an internal end of the pillar and wherein the internal plate bears, directly or indirectly, partly against the internal end of the pillar and partly against the internal end of the sleeve. Figure for the abstract: 1

The invention provides an aerogel composite thermal insulation material, a preparation method thereof and application of the aerogel composite thermal insulation material in LNG ships, and relates to the technical field of aerogel composite materials for ships, the aerogel composite thermal insulation material comprises a thermal insulation layer, the thermal insulation layer is formed by crosslinking SiO2 aerogel particles, polyimide nanofibers and a fluorine-containing silane coupling agent, the thermal insulation layer is internally provided with a porous structure, and the aerogel composite thermal insulation material is prepared from the aerogel particles, the polyimide nanofibers and the fluorine-containing silane coupling agent. The porosity is 88-95%, and the average pore size is 20-50 nm; the reinforced supporting layer is a metal grid formed by a plurality of polygonal structures, the heat insulation layer is embedded into the metal grid to form a composite heat insulation layer, and the polygonal structures are quadrangular; the buffer layer is arranged outside the composite heat insulation layer; and the fixing structure is arranged outside the buffer layer. The aerogel composite thermal insulation material has excellent thermal insulation performance, cryogenic vibration resistance and strong weather resistance, and is suitable for cold insulation systems of LNG ship cargo holds and related low-temperature storage and transportation equipment.

A personal watercraft comprises a hull assembly and a deck. The hull assembly includes a hull and a liner. The hull has an outer peripheral support portion. The outer peripheral support portion has a first section with a first upper surface and a second section with a second upper surface. The liner has an outer ledge portion adhesively attached to the first upper surface of the first section of the outer peripheral support portion such that the outer ledge portion does not overlap the second upper surface of the second section of the outer peripheral support portion. The deck is provided to the hull assembly in a watertight manner. The first upper surface is located at a height position that is different from a height position of the second upper surface with respect to a vertical direction.

A heating panel (1) for the floor of a ship comprising - a metal base (3); - a metal cover (2); - a polymeric support (4), arranged between the base (3) and the cover (2); - a heating element (5), adapted to generate heat when it is electrically powered, arranged between the polymeric support (4) and the cover (2); wherein the base (3) and the cover (2) form a hermetically sealed casing (10), in particular hermetically sealed by means of sealing material; wherein said polymeric support (4) and said heating element (5) are arranged in said hermetically sealed casing (10); wherein the base (3) is provided with a peripheral side wall (31) which extends transversely from a flat portion (30) of the base (3); the heating panel (1) comprises at least one temperature probe (6a, 6b), or at least one tube adapted to accommodate a temperature probe, which crosses a respective first opening (36a, 36b) of said peripheral side wall (31); said respective first opening (36a, 36b) being completely obstructed, in particular partly by the respective temperature probe (6a, 6b) or respective tube and partly by sealing material.

The invention relates to a method for installing a sealing membrane 12 on the wall 2 of a liquefied gas storage tank 1, comprising: - providing a thermally insulating barrier 4, comprising two juxtaposed insulating panels 10 having a groove 20; - inserting a welding support 25 into the groove 20 of a first insulating panel 10; - inserting a positioning tool 30, having a flared channel 36, into the ends 21 of the grooves 20, aligned with the grooves 20; - inserting the welding support 25 into the flared channel 36 and then into the second insulating panel 10; - welding a welt 26 of the sealing membrane 12 onto the welding support 25. The invention also relates to a positioning tool 30 for installing the sealing membrane 12. Figure for the abstract: 5

The present invention relates to a system (50) for depositing an adhesive for assembling a tank wall configured to contain liquefied gas for adhering a panel to a portion of a secondary sealing film (24) covering two thermally insulating blocks (21, 23), the adhesive deposition system (50) comprising: a first nozzle (51) for injecting an adhesive to the secondary sealing film (24); a first nozzle (51) adapted to be disposed above a first one of the two thermal insulation blocks (21) for dispensing adhesive onto the portion of the secondary sealing film (24) at a first flow rate, a second nozzle (52) adapted to be disposed above a second one of the two thermal insulation blocks (21) for dispensing adhesive onto the portion of the secondary sealing film (24) at a second flow rate, the second nozzle (52) is suitable for being arranged above a second thermal isolation block (23) of the two thermal isolation blocks, and means for independently adjusting the first flow rate and the second flow rate.

The invention discloses a ship sound insulation air return device which comprises a box body and a sound absorption structure arranged in the box body. An air inlet is formed in the lower portion of one side of the box body and provided with an air inlet grille. An air outlet is formed in the other side of the box body, and an air outlet grille is mounted at the air outlet; the sound absorption structure is vertically arranged, and the lower end of the sound absorption structure is fixed to the inner bottom of the box body. An air inlet area is formed between the sound absorption structure and the air inlet grille; an air outlet area is formed between the sound absorption structure and the air outlet grille; a gap is reserved between the upper end of the sound absorption structure and the inner top of the box body to form a communicating area communicating the air outlet area with the air inlet area, and a flow guide plate is arranged at the top of the communicating area; and the air inlet area, the communicating area and the air outlet area form a U-shaped air duct. The invention further discloses a design method of the ship sound insulation air return device. The air duct has the beneficial effects that the U-shaped air duct, the flow guide plate and the sound absorption structure are designed, airflow is guided to flow along a smooth path, the overall circulation efficiency of the air duct is improved, and the problems of insufficient air return amount and poor sound insulation effect in the prior art are solved.

The embodiment of the invention provides a hidden LED (light-emitting diode) lamp strip acoustic panel, a ship interior trim system and an installation method, and belongs to the technical field of ship interior trim and illumination. The sound absorption plate comprises a perforated plate, a groove which is sunken towards the center side of the perforated plate is formed in the circumferential side edge of the perforated plate, and a containing cavity is formed in the perforated plate; the accommodating cavity of the perforated plate is filled with the sound absorbing material, so that a sound absorbing plate is formed by the sound absorbing material and the perforated plate; and the lamp strip is arranged in the groove, a gap allowing the lamp strip to illuminate the interior of the cabin through diffuse reflection is formed between every two adjacent perforated plates, and direct light interference is avoided. The sound-absorbing and lighting device has sound-absorbing and lighting functions, is suitable for places with special requirements on light environment and sound environment, such as a scientific investigation ship terrace classroom, and can also be popularized to other ships or indoor spaces.

The invention relates to the technical field of ship manufacturing, in particular to a marine insulating plate with a stress buffering mechanism. A marine insulating plate with a stress buffering mechanism comprises a main body and a glue pouring mechanism, and the main body comprises a connecting mechanism and an adjusting mechanism. The connecting mechanism comprises a connecting plate. The adjusting mechanism comprises two adjusting assemblies, and each adjusting assembly comprises a partition plate. A glue injection hole and an air hole are formed in the partition plate. The glue filling mechanism comprises a glue injection assembly and a negative pressure assembly, the glue injection assembly injects polystyrene foam into the mounting through groove through the glue injection hole, and the negative pressure assembly sucks air in the mounting through groove to form negative pressure in the mounting through groove. And the negative pressure environment can guide the polystyrene foam to uniformly flow to each corner, so that compact filling is ensured. The invention provides a marine insulating plate with a stress buffering mechanism, and aims to solve the problems that polystyrene foam is difficult to pour and construct and the filling quality is difficult to guarantee due to the fact that internal gaps of an existing insulating plate adopting a staggered splicing structure are bent.

The invention belongs to the field of ships, and particularly relates to a marine floor, a ship and a marine floor arrangement method. In order to achieve light weight of the marine floor, the marine floor comprises a metal tying foundation and a filling part, the metal tying foundation comprises a stop edge, the filling part comprises a threaded piece, a supporting plate located below the stop edge and a glue layer located above the supporting plate, the supporting plate is provided with a vertically-formed threaded hole, and the threaded hole is communicated with the metal tying foundation. The threaded piece is connected to the threaded hole and used for abutting against a deck. The invention further provides a ship corresponding to the ship floor and a ship floor arrangement method. During construction, slight protrusions and pits on the deck do not need to be filled and leveled up, the threaded piece can directly abut against the deck, after the supporting plate is supported by the threaded piece, a cavity is formed among the supporting plate, the deck and the metal fastening foundation, the cavity does not need to be filled with any filler, construction is convenient, and the total weight of the marine floor can be reduced easily.

The utility model discloses a hidden fixing structure of a marine laminated decorative plate, which comprises a plurality of laminated decorative plates, a Z-shaped elastic component is arranged above each laminated decorative plate, a threaded hole is arranged on each Z-shaped elastic component, a fixing screw matched with the threaded hole is in threaded connection with the inside of the threaded hole, and the other end of each Z-shaped elastic component is provided with a fixing screw. The Z-shaped elastic component is fixedly connected with the laminated decorative plate through a fixing screw, and a rubber pad is arranged between the Z-shaped elastic component and the laminated decorative plate. According to the utility model, the installation process is simplified, the aesthetic feeling is improved by utilizing the material characteristics, the installation stability is ensured, and the effects of vibration and noise reduction can be achieved.

The invention discloses a marine aerogel fireproof structure, a test device and a fireproof grade design method, relates to the technical field of fireproof structure design, and solves the problem that manpower, material resources and financial resources are consumed when a fireproof grade is obtained through a real-size standard fireproof test. According to the method, three fireproof structure models are constructed through combination of the T-shaped stiffened plates, the aerogel plates and the aerogel square blocks, a scale model is established according to the three models, a heat insulation capability test and numerical simulation are performed on the scale model, and a numerical simulation model is checked by using a test value; according to the size of a real ship plate grid and the fireproof structure model, a real-size simulation model is established and simulated, a model back fire surface highest temperature rise and average temperature rise time curve is obtained, and model parameters under different fireproof grades are determined according to SOLAS specification requirements. According to the method, model tests and numerical simulation are combined, the structure fireproof grade design method is designed, and the method has guiding value in the initial stage of ship fireproof design and fireproof grade design of a novel fireproof structure.

This invention proposes a lightweight fire-resistant ship cabin wall panel, comprising a cabin wall panel body, wherein the cabin wall panel body includes a buffer layer, and a first reinforcing layer and a second reinforcing layer are respectively connected to the upper and lower surfaces of the buffer layer. The buffer layer of this invention features an elastic substrate formed by an "S" bend, with a corrugated buffer portion in the middle, providing excellent cushioning and shock absorption performance against vibrations and impacts to the panel. Sound-absorbing panels are connected to both the upper and lower parts of the elastic substrate; these sound-absorbing panels are sound-absorbing foam panels with internal air cavities, and the porous structure effectively absorbs and reflects sound waves, reducing noise.

The invention relates to a wall (11) of a leak-proof, insulated container for storing liquefied gas, said wall (11) comprising, successively in a thickness direction from the outside to the inside of said container, a leak-proof outer barrier (13), an insulating barrier (14) and a leak-proof inner barrier (15), said insulating barrier (14) having a gas phase with an absolute pressure of less than 1 Pa, - a radiant multi-layer insulating cover (47) extending perpendicularly to said thickness direction, said radiant multi-layer insulating cover (47) being made of metal or of a polymer material coated with metal and comprising a stack of a plurality of sheets separated from each other by fiber layers, - an insulating element (51) arranged between said radiant multi-layer insulating cover (47) and said leak-proof outer barrier (13) and having an open-cell porous structure.

The present disclosure refers to a synthetic decking for marine vessel decks comprising at least one decking panel comprising at least two adjacent strips imitating planks separated by caulking or planks directly adjacent to each other, the adjacent strips alternately having respectively different thermal absorption properties such that strips with a relatively lower thermal absorption property alternate to strips with a relatively higher thermal absorption property, thereby resulting in a temperature difference between adjacent strips when exposed to solar radiation, the decking panel further comprising at least one integrated thermopile comprising a series of thermocouples having junctions alternately arranged in thermal contact with either of the at least two adjacent strips such as to generate an output voltage and an electric current based on the thermoelectric Seebeck effect caused by the temperature difference between the adjacent strips. A method of manufacturing the synthetic decking is herein also disclosed.