134results about "Hull panellings" patented technology

The invention belongs to the technical field of low-temperature liquid cargo storage, and particularly relates to an enclosure structure and an enclosure system at a dome corner area of a low-temperature liquefied gas storage tank, and the enclosure structure is arranged at the junction of a dome in the low-temperature liquefied gas storage tank, the top surface of a cabin and a front / rear bulkhead; comprising a corner insulation box connected to a corner, and a plane insulation box connected to a wall surface in the extension direction of the two ends; the corner area secondary-layer steel plate is attached to the inner side of the corner of the corner insulation box, and the corner area main-layer steel plate is welded to the inner side of the corner of the corner area secondary-layer steel plate through the connecting plate. The secondary shielding layer is attached to the surface of the insulation box and is welded with the corner area secondary layer steel plate; the main shielding layer is arranged on the inner side of the secondary shielding layer and is welded with the corner area main layer steel plate; and a supporting fixing plate is arranged between the two. Compared with the prior art, the problems that when an existing enclosure system structure is applied to the dome, stress is large, deformation is large, and structural stability is poor are solved. According to the scheme, the sealing performance and the use reliability of the low-temperature liquefied gas storage tank at the dome corner area are guaranteed.

The invention relates to a wall (11) for a leaktight and thermally insulating vessel for storing a liquefied gas, said wall (11) comprising, in succession in a thickness direction from the outside to the inside of the vessel, a leaktight outer barrier (13), a thermally insulating barrier (14) and a leaktight inner barrier (15), the thermally insulating barrier (14) having a gas phase at an absolute pressure of less than 1 Pa and comprising:—a radiative multilayer insulation cover (47) which extends at right angles to the thickness direction, said radiative multilayer insulation cover (47) comprising a stack of a plurality of sheets which are made of metal or polymer material coated with a metal and which are separated from one another by a textile layer; and-insulating elements (51) which have an open-celled porous structure and are arranged between the radiative multilayer insulation cover (47) and the leaktight outer barrier (13).

The utility model discloses a sound-proof and fireproof light ship plate, which belongs to the technical field of sound insulation and fire prevention and comprises a plate body and glass wool. The rectangular groove is formed in one side of the plate body, the glass wool is matched with the rectangular groove and located in the rectangular groove, and glass fiber aluminum foil cloth is arranged on one side of the glass wool; according to the sound-proof fireproof light ship plate, the sound-proof layer painted on one side of the sound-proof fireproof light ship plate is matched with the sound-proof holes formed in one ends of the multiple positioning pins, so that the sound transmission path can be effectively absorbed and blocked, the sound-proof effect of the ship plate is remarkably enhanced, a more quiet and comfortable environment is created for the interior of a ship body, and meanwhile, the sound-proof fireproof light ship plate has a good sound-proof effect. And a plurality of limiting rings are mounted on the outer sides of a plurality of positioning pins, and are matched with limiting grooves formed in the glass wool, so that the position of the glass wool can be precisely limited, the glass wool is prevented from shifting or loosening in the long-term use process, and the overall durability and practicability of the sound-proof and fireproof light ship plate are better in use.

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.

This invention provides a high-efficiency ship cabin bulkhead panel, relating to the technical field of ship cabin bulkhead panels, comprising: a combined bulkhead panel and a combined locking component; the combined bulkhead panel consists of an adjustable bulkhead panel A and an adjustable bulkhead panel B, with adjustable bulkhead panel A connected to adjustable bulkhead panel B, and both ends of the combined bulkhead panel connected to two adjacent combined bulkhead panels; a rotating locking block is installed inside the adjustable bulkhead panel B, the rotating locking block being connected to the adjustable bulkhead panel A, and square grooves are provided at both ends of the rotating locking block, located on the outside of the adjustable bulkhead panel B. This invention allows for adjustment of the connection between the adjustable bulkhead panel A and the adjustable bulkhead panel B according to different cabin specifications, changing the width of the combined bulkhead panel itself, thus better adapting to the installation and use requirements of cabins of different specifications. It solves the problem that existing ship cabin bulkhead panels mostly adopt an integrated design, requiring custom-made dimensions and unable to be adaptively adjusted according to different cabin specifications, resulting in limitations in use.

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 present invention relates to the technical field of enclosing systems, and discloses a thin-film enclosing system, which includes a shielding module and a heat insulation module. The shielding module includes a secondary shielding thin film layer and a primary shielding thin film layer. The primary shielding thin film layer is arranged above the secondary shielding thin film layer. A main plywood board is arranged between the secondary shielding thin film layer and the primary shielding thin film layer. An anchoring plate is fixedly connected to the top of the main plywood board. The primary shielding thin film layer is welded to the anchoring plate. A stud is fixedly installed at the top of the heat insulation module. The stud passes through the secondary shielding thin film layer and the main plywood board and is threadedly installed with a nut. The lower end of the heat insulation module is connected to the inner wall of the ship through a disassembly and assembly mechanism. The upper end of the heat insulation module is in a heat insulation and sealing state. The present invention facilitates the rapid disassembly and assembly between the heat insulation module and the inner wall of the ship through the provided disassembly and assembly mechanism, and effectively cuts off the cold bridge and reduces heat loss.

The invention discloses a cargo oil tank deck anti-corrosion heat-preservation composite structure and a construction method, the composite structure comprises a composite layer and edge sealing strips arranged on the periphery of the composite layer, and the composite layer comprises an anti-corrosion primer layer, a water-based heat-preservation layer, a grating plate, an oily heat-preservation layer and a finish paint layer which are sequentially arranged from inside to outside; the anti-corrosion primer layer is coated on the deck base material; the water-based heat preservation layer is coated on the anti-corrosion primer layer and is filled among the pores of the grating plate; the bottom surface of the grating plate clings to the top surface of the anti-corrosion primer layer; the construction method comprises the steps of deck base material surface pretreatment; spraying anti-corrosion primer; battens are arranged in a surrounding mode, and water-based heat preservation coating is poured; laying a grating plate; pouring an oily thermal insulation coating; supplementing an oily thermal insulation coating; spraying finish paint; the battens are dismantled; carrying out edge sealing treatment and the like. According to the composite structure, heat loss is remarkably reduced, the deck operation environment is improved, the durability is improved, the requirements of high temperature, high stress and marine environment are met, and an efficient and reliable anti-corrosion heat preservation solution is provided for the cargo oil tank deck.

The utility model discloses a novel water retaining structure of a decorative wallboard, which comprises a steel deck, L-shaped water retaining flat iron is fixedly connected onto the steel deck, a composite lining plate is arranged at the top of the L-shaped water retaining flat iron, a humid area is arranged on one side of the L-shaped water retaining flat iron, a terrace finished surface is arranged at the bottom of the humid area, and the composite lining plate is arranged on the other side of the L-shaped water retaining flat iron. And a sealing structural adhesive is coated between the bent top end of the terrace finished surface and the bottom contact surface of the composite lining plate. According to the utility model, the problems of difficulty in combination construction and attractiveness of the conventional linear water-blocking flat iron and the notch type composite lining plate are solved, so that the installation on a ship becomes fast, and the installation quality and the water-blocking performance are both improved; according to the floor skirting board, the installation closing opening of the skirting board can be processed more conveniently, seamless connection integration of the floor and the skirting board becomes possible, and therefore the floor skirting board is suitable for areas such as hospital areas, kitchens, catering rooms and laboratories on medical ships with extremely high cleaning requirements.

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 utility model discloses a living cabin capable of reducing vibration noise of a ship. The living cabin comprises a floor, wall plates and a ceiling. The floor adopts a floating floor and is laid on the ground of the living cabin; the wall plate is of a double-layer hollow structure, the lower end of the wall plate is arranged on the floor through a wall plate bottom groove, and the upper end of the wall plate is connected with the top wall of the cabin through the hanging bracket. The ceiling is a punched sound-absorbing ceiling and is arranged on the top of the living cabin. According to the utility model, the vibration noise of the ship can be weakened, so that a comfortable working and living environment is provided for sailors, and the living quality of the sailors is improved.

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.

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

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 utility model discloses a cambered surface forming decorative veneer for a ship, which relates to the technical field of cambered surface veneers and comprises a cambered surface veneer and a supporting component, the supporting component comprises a first supporting plate, a second supporting plate and a third supporting plate, and the first supporting plate, the second supporting plate and the third supporting plate are fixedly connected together through a supporting frame. A first sliding block is fixedly connected to the front end of the first supporting plate, a second sliding block is fixedly connected to the front end of the second supporting plate, a third sliding block is fixedly connected to the front end of the third supporting plate, and a sliding groove is formed in the rear end of the cambered surface single plate. The first sliding block, the second sliding block and the third sliding block slide into the sliding groove, so that the supporting assembly can be preliminarily fixed, then the check block is driven by the reset spring to do reset motion, the check block stops the first sliding block and the third sliding block, the first sliding block and the third sliding block are prevented from sliding out of the sliding groove, stability is provided, and the service life of the supporting assembly is prolonged. And operation of workers is facilitated, and convenience is provided.

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.

A split stream cooling system splits a first gas stream into second and third streams, expansion cools the third stream, and then passes the second and third streams through a heat exchanger to transfer heat from the second stream to the third stream. Consequently, pressure in the third stream is converted into cooling of the second stream. A vehicle transports cryo- compressed hydrogen in a glass-reinforced storage vessel whose strength is increased by the cold temperature of the hydrogen. The cryo-compressed hydrogen may be transported within an insulated space that is cooled by a liquid nitrogen cooling system. Liquid nitrogen may be used as a ballast within the storage vessel. Various systems and methods safely store and transport compressed flammable or dangerous fluids, e.g., by controlling ventilating air exchange rates, transferring gas via a double-walled transfer hose, or sensing flames with a tubing-based temperature sensor.

The utility model discloses a marine sound-absorbing ceiling which comprises a sound-absorbing ceiling body and further comprises a first butt-joint frame and a second butt-joint frame which are arranged on the outer side of the sound-absorbing ceiling body, one end of the first butt-joint frame is a first bent portion, one end of the second butt-joint frame is a second bent portion, and the other end of the second butt-joint frame is a third bent portion. The other end of the first butt-joint frame and the other end of the second butt-joint frame are a third bent part and a fourth bent part respectively. A first butt-joint frame and a second butt-joint frame are arranged on the two sides of a sound-absorbing ceiling body, the two ends of the first butt-joint frame and the two ends of the second butt-joint frame are provided with the bending parts respectively, the first butt-joint frame and the second butt-joint frame can elastically clamp the third bending part and the fourth bending part, and the sound-absorbing ceiling body is made of sound-absorbing materials. Therefore, the sound-absorbing ceiling bodies can be in butt joint through the first butt-joint frames and the second butt-joint frames, splicing of the sound-absorbing ceiling bodies is quicker, and later disassembly and maintenance are facilitated.

The present invention discloses a transverse ring insulation box structure of an LNG ship containment system and an installation method thereof. The insulation box structure is arranged in a transition area between the transverse ring Invar pipe area and the planar area of the containment system. The insulation box structure includes a transverse ring secondary layer insulation box and a transverse ring main layer insulation box with a right trapezoidal cross-section, and the included angle of the cross-section is equal to the included angle between the ship's transverse bulkhead and longitudinal bulkhead. By designing a special insulation box to replace the traditional combined insulation structure of a rectangular insulation box and other insulation materials, the present invention not only simplifies the composition and installation process flow of the containment system, but also improves the construction efficiency of the containment system.

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 application belongs to the technical field of wallboards, and discloses a Y-shaped corner wallboard assembly, which comprises a Y-shaped wallboard, and a fireproof noise reduction part is arranged in the Y-shaped wallboard; the transmission assembly in the Y-shaped wallboard is started to drive the rope wheel to rotate, thereby driving the sliding plate and the sliding block to move, and pulling spring one to deform; the movement of the sliding plate can drive the hinged plates installed on the two sides to move in real time, so that the corresponding L-shaped plates are moved and unfolded, and the convex rod and spring two are synchronously moved; when the convex rod is no longer extruded by the inner wall of the higher L-shaped plate at one end, spring two immediately drives the convex rod to rebound and hit the inner wall at one end of the Y-shaped wallboard, so that the Y-shaped wallboard is vibrated to shake off dust, and the extrusion ball rod and spring three are also adhered and extruded, so that the corresponding corrugated plate is pushed to slide, the surface of the Y-shaped wallboard at one end is continuously corrugated, the rougher the surface is, the stronger the sound absorption capacity is, and therefore the sound insulation and noise reduction quality is improved.