99results about "Hull bulkheads" 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 belongs to the technical field of ship construction, and discloses a bulkhead supporting structure and a ship. The bulkhead supporting structure is used for supporting a top plate, the top plate is used for bearing a groove-shaped bulkhead, the bulkhead supporting structure comprises a side vertical plate and a supporting assembly, the side vertical plate abuts against the top plate in the vertical direction, and the side vertical plate is arranged right opposite to a first panel of the groove-shaped bulkhead in the vertical direction; the supporting assembly comprises a supporting cross beam, the two ends, in the length direction, of the supporting cross beam are connected to the side walls of the ship body, the supporting cross beam abuts against the top plate in the vertical direction, and the supporting cross beam directly faces the second panel of the groove-shaped bulkhead in the vertical direction. The bulkhead supporting structure is only provided with the side vertical plate on one side, the upper groove-shaped bulkhead is powerfully supported, meanwhile, structural materials are reduced, the dead weight of a ship is reduced, meanwhile, the side vertical plate on the other side is omitted, the construction space and the cargo space are released, the construction environment is improved, and then the building efficiency of the ship is improved.

The application provides a fall-preventing triangular profile structure and a mounting method. The triangular profile structure comprises a triangular cross-section structure formed by sequentially connecting a first side 1, a second side 2 and a third side 3; an angle alpha between the second side 2 and the third side 3 is 90-120 degrees; an angle beta between the first side 1 and the second side 2 is 30-60 degrees; the length of the third side 3 is less than the length of the first side 1; and an anti-skid structure is arranged on the bottom surface of the third side 3. The technical scheme can simplify the construction process, improve the operation flexibility, and save the construction cost.

A method and system for fumigating a vessel includes delivering a fumigation agent to a cargo area of ​​the vessel. In particular, the vessel may be a roll-on / roll-off vessel. In such a system, a pneumatic system is provided for maintaining a selected minimum pressure differential between a selected area of ​​the vessel above the cargo area and the cargo area such that the pressure in the selected area is greater than the cargo area. A control system may maintain the pressure differential.

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.

This invention discloses a support and reinforcement device for independent cargo holds, relating to the field of ship cargo hold technology. It includes a mounting base plate fixedly connected to the ship, two sliding brackets each with a cargo cover plate fixed to them, and a downward braking assembly for vertically locking a vertical sleeve fixed to a support column. A reinforcing arc plate is slidably mounted on the side of each cargo cover plate facing the mounting base plate. This invention uses two cargo cover plates and a support sleeve to form a cargo storage space. In extreme situations such as deck collapse, the protective top frame, supported by the support column and vertical sleeve, effectively protects the cargo cover plates. The drive slider in the retraction transmission assembly pushes against the tilting frame, causing the two tilting frames to slide towards each other and pull the two cargo cover plates together. This space contraction reduces the internal volume, significantly improving the pressure resistance of the cargo cover plates and ensuring effective protection of the cargo.

The invention discloses a connecting structure for a girder and a vertical aggregate of a ship body respectively positioned on two sides of a bulkhead, which comprises a bulkhead structure, the girder is fixedly arranged on the front surface of the bulkhead structure, and a first vertical aggregate and a second vertical aggregate are fixedly arranged on the back surface of the bulkhead structure; the girder is interrupted at the bulkhead structure; a panel of the girder is provided with a panel amplification end, and the panel amplification end is fixedly connected to the bulkhead structure; the width of the enlarged end of the panel is greater than that of the panel of the girder; the web part of the first vertical aggregate is aligned with the web of the girder; a reverse reinforcing plate is fixedly arranged on the back surface of the bulkhead structure; the reverse reinforcing plate is arranged between the two second vertical aggregates; the reverse reinforcing plate is flush with the panel of the girder; no toggle plate is arranged between the girder and the first vertical aggregate. According to the invention, the space below the girder can be fully utilized and is used for arranging equipment such as a ventilation pipe system and a cable.

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.

A methods and systems of fumigating a vessel include delivering fumigant to a cargo area of the vessel. In particular, the vessel may be a roll-on / roll-off vessel. In such a system, an air pressure system is provided for maintaining a selected minimum pressure differential between a selected area of the vessel above the cargo area and the cargo area, such that pressure of the selected area is greater than the cargo area. A control system may maintain the pressure differential.

This application relates to a corrugated plate and a method for arranging corrugated units in an LNG carrier cargo containment system. The corrugated plate is formed by staggered splicing of multiple identical corrugated units with corrugated protrusions. The bottom surfaces of any two adjacent corrugated units are not aligned on a continuous straight line, and there is a blank area without corrugated protrusions between any two non-adjacent corrugated units. This application avoids the design limitations of traditional corrugated unit arrangement methods, allowing for more choices and optimization of the corrugated unit's form. The edges with the weakest tensile strength of the corrugated units are not aligned on a continuous straight line, thus avoiding the concentration of cold contraction stress along a continuous straight line.

The invention belongs to the technical field of ship parts, and discloses a fireproof through device and a ship. The fireproof through device comprises an installation pipe mechanism, an installation mechanism, a circulation mechanism and an elastic mechanism. The installation pipe mechanism is arranged in a through hole of a fire-resistant partition bulkhead of the ship in a penetrating mode, and the installation mechanism is connected between the peripheral side portion of the installation pipe mechanism and the fire-resistant partition bulkhead. The circulation mechanism penetrates through the mounting pipe mechanism and is configured to allow a heat source pipe system to penetrate through, and the two ends of the circulation mechanism can be connected to the parts, located on the two sides of the fireproof partition bulkhead, of the heat source pipe system respectively. The elastic mechanism is arranged between the installation pipe mechanism and the circulation mechanism, the circulation mechanism can be stretched or compressed in the axis direction, and the elastic mechanism can stretch out and draw back in the axis direction of the circulation mechanism. The fireproof through device can achieve the effects of heat insulation, vibration prevention and noise reduction when the heat source pipe system passes through the fireproof partition.

The utility model relates to a yacht bulkhead and bulkhead bottom connecting structure which comprises a bulkhead and a bulkhead bottom, the bottom of the bulkhead is welded and fixed on the top surface of the bulkhead bottom, and a first L-shaped plate, a second L-shaped plate and a third L-shaped plate are sequentially welded on connecting corners on two sides between the bulkhead and the bulkhead bottom from inside to outside. According to the connecting structure for the cabin wall and the cabin bottom of the yacht, by increasing the inertia moment of the cross section, the bending resistance and the shearing resistance of the area are remarkably improved. Local stress is dispersed into a bulkhead and a bulkhead bottom structure in a larger range through the L-shaped plates, and fatigue cracks or deformation caused by single-point overload is avoided.

The embodiment of the invention discloses a piezoelectric stack clamping device for active vibration reduction of a bulkhead, relates to the technical field of structural vibration control, and can implement faster active control on the vibration response of the bulkhead on the premise that the structure is simple and the stability is high. The device is characterized in that a pair of bases are installed on the bulkhead in a non-punching mode, and the size and the shape of the bottom of each base are matched with the size and the shape of the bulkhead; one end of the piezoelectric stack actuator is fixedly connected with a base of the clamping device through a bearing seat, and the other end of the piezoelectric stack actuator is in threaded connection with the flexible hinge; the flexible hinge is fixedly connected to the inner side of the other base; the piezoelectric stack actuator serves as a source of excitation force, excitation voltage generates displacement response after being input into the piezoelectric stack actuator, the displacement response is transmitted to the clamping device through the flexible hinge, the displacement response is converted into the excitation force under the limitation of the clamping device, and therefore a pair of force which is equal in magnitude and opposite in direction is output to the base, and excitation is formed.

The utility model discloses a kind of layered weight-reducing groove type bulkheads, which is made by two layered structure plates opposite spliced, the layered structure plate thickness is half of general groove type bulkhead, the layered structure plate is divided into short distance groove and long rectangle groove, two kinds of grooves are oppositely arranged with interval, when two layered structure plates are spliced, the short distance groove outer ridge of one layered structure plate is spliced with the long rectangle groove inner groove of another layered structure plate, compared with general groove type bulkhead, the thickness of the layered spliced groove plate is the same on the same section, and the plate material of two layered structure plates is the same, but the groove wall of the layered spliced groove plate groove is the same as the general groove type bulkhead with the same length and the same number of groove width of short distance groove, but the groove wall of the layered structure plate is thinner, so the material is less.

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 application discloses a kind of marine cabin anti-collision structure and its installation method, including bottom plate, the outside slide of the bottom plate Installation plate, the outside of the installation plate is movably installed with connecting plate by first buffer spring and second buffer spring, the arc-shaped anti-collision wood is installed outside the connecting plate, the outer arc surface of the anti-collision wood is installed with stainless steel layer by mounting assembly.The application can realize the quick disassembly of anti-collision wood, replace the damaged anti-collision wood conveniently, the impact force generated by the anti-collision wood reduces impact, reduces the damage of crew or equipment due to impact, realizes the quick disassembly of stainless steel layer and rubber layer, avoids the overall replacement of anti-collision wood structure, prolongs the service life of parts.

The present application relates to a method for installing a fuel tank top deck section and double-wall pipes of a dual-fuel container ship, which divides the deck section into a deck assembly, an A-zone longitudinal bulkhead assembly, a B-zone longitudinal bulkhead assembly and a C-zone longitudinal bulkhead assembly; the deck assembly and the C-zone longitudinal bulkhead assembly are separately built, the A-zone longitudinal bulkhead assembly is integrally built when the deck assembly is built; the B-zone longitudinal bulkhead assembly is separately built; sand-blasting and painting are performed; the deck assembly is reversely placed and the B-zone longitudinal bulkhead assembly is separately installed; four longitudinal bulkhead plates of the B-zone longitudinal bulkhead assembly are separately installed on the deck assembly, double-wall pipes are passed through the four longitudinal bulkhead plates of the B-zone longitudinal bulkhead assembly, and the rib plates between the four longitudinal bulkhead plates are installed; and the C-zone longitudinal bulkhead assembly is mounted on the B-zone longitudinal bulkhead assembly. The present application divides the deck section into different assemblies for building, installs the double-wall pipes and mounts the assemblies after sand-blasting and painting, so as to avoid damaging the double-wall pipes.

According to the embedded penetrating structure of the ship bulkhead, a first reinforcing plate and a second reinforcing plate are embedded in a special-shaped penetrating hole, primary watertight plugging is achieved through the forms of the first reinforcing plate and the second reinforcing plate, a physical barrier is formed, and compared with a traditional plane reinforcing plate, the watertight reliability is greatly improved, and the water leakage risk is effectively reduced.

This invention relates to the field of ship vibration reduction and noise reduction technology, specifically to an elastically reinforced connection structure for bulkheads, panels, and handrails. The structure includes bulkheads, panels, and handrails, with the handrails connected to the outer surface of the panels. The key feature is the presence of an elastically reinforced connection structure assembly between the inner surface of the panel corresponding to the handrail and the bulkhead. This assembly includes an elastic noise-reducing reinforcing connector, a lower elastic clip, a support pad, and a support plate. The outer side of the elastic noise-reducing reinforcing connector is bolted to the panel and handrail, while the inner side is connected to the bulkhead via the lower elastic clip, support pad, and support plate. This design offers advantages such as simple structure, good noise reduction effect, improved cabin comfort and working environment, and benefits to the physical and mental health of crew and passengers.

The present invention relates to a passenger ship (1) comprising at least one superstructure (3), this superstructure (3) being formed of a plurality of decks (P0-P5) including decks (P1-P4) each having at least one longitudinally oriented passageway (5) and serving a first set of spaces (40) such as cabins located on the port side and a second set of spaces (42) such as cabins located on the starboard side, characterized in that the spaces (40, 42) of at least one of said sets of spaces are provided with a structural bulkhead (70) parallel or substantially parallel to said passageway (5), which extends within the space occupied by these spaces (40, 42). Figure for the abstract: Fig. 1a

The utility model discloses a transition structure for adjacent bulkheads of a B-type cabin, which comprises a longitudinal wall plate, a bottom wall plate and an arc-shaped outer plate I. The transition structure is characterized in that the longitudinal wall plate and the bottom wall plate are orthogonally arranged at 90 degrees; the arc-shaped outer plate I is arranged at the intersection of the longitudinal wall plate and the bottom wall plate; a bottom bulkhead reinforcing T row, a transverse large longitudinal girder reinforcing plate and an arc-shaped supporting reinforcing plate are sequentially connected to the bottom wall plate, and the arc-shaped supporting reinforcing plate is fixed to the bottom wall plate and the first arc-shaped outer plate at the same time. A longitudinal reinforcing T row is arranged on the longitudinal wall plate and is fixedly connected with the arc-shaped supporting reinforcing plate and the first arc-shaped outer plate; the longitudinal reinforcing T row and the bottom bulkhead reinforcing T row are composed of a plurality of T-shaped plates. The device solves the problems that the evaporation rate of liquefied gas is high and the building efficiency is low in the prior art.

The invention relates to the technical field of cargo ships, in particular to a bottom side tank structure of a bulk cargo ship, which comprises a cabin, a cabin bottom mechanism is arranged at the bottom of the cabin, the cabin bottom mechanism comprises a lifting ejector rod, the lower end of the lifting ejector rod is fixedly connected with the bottom of the cabin, and the upper end of the lifting ejector rod is fixedly connected with a horizontal bottom plate; the side wall of the cabin is hinged to a side plate through a hinge shaft, and the end, away from the hinge shaft, of the side plate is in lap joint with the upper surface of the bottom plate and can slide along the upper surface. When the lifting ejector rod drives the bottom plate to ascend or descend, the end of the side plate slides on the bottom plate along with the lifting ejector rod, so that the side plate rotates around a hinge shaft to change the inclination angle of the side plate, and a dynamic supporting structure capable of changing along with loads is formed through sliding hinge connection between the side plate and the bottom plate. Therefore, high stress concentration caused by rigid connection is avoided, the risk caused by fatigue cracks is effectively reduced, and the safety and durability of the hull structure are improved.

To suppress hogging longitudinal bending moment generated in a hull.SOLUTION: A vessel includes a hull having a pair of broadsides and a bottom, a plurality of compartments arranged in the bow-stern direction of the hull, and a fuel tank arranged in a rear unit of the hull, and the hull includes a broad side double structure unit formed only in a portion corresponding to at least one compartment arranged in a central unit in the bow-stern direction excluding the compartment on the most bow side and the most stern side among the plurality of compartments and having a pair of partition walls arranged inside in the vessel width direction against the pair of broadsides.SELECTED DRAWING: Figure 3

The invention provides a sealed bulkhead structure with a self-adaptive compensation core material.The sealed bulkhead structure with the self-adaptive compensation core material comprises a front longitudinal beam, a forecabin upper edge beam, a shock absorber assembly and a reinforcing connecting part, the front longitudinal beam is horizontally arranged, the forecabin upper edge beam and the front longitudinal beam are oppositely arranged, and the shock absorber assembly is arranged between the front longitudinal beam and the front longitudinal beam; the shock absorber assembly is arranged between the front longitudinal beam and the forecabin upper edge beam and connected with the front longitudinal beam and the forecabin upper edge beam, one end of the reinforcing connecting part is connected with the forecabin upper edge beam, and the other end of the reinforcing connecting part is connected with the shock absorber assembly. Impact force can be effectively dispersed, energy absorption is achieved, and the complete effect of a passenger compartment is protected.

The utility model relates to a dead-corner-free sterile refrigeration house floor structure which structurally comprises a floor body, a wall plate body and an arc corner plate arranged at the edge connecting position of the floor body and the wall plate body, the lower end of the arc corner plate is welded to the floor body, and the upper end of the arc corner plate and the wall plate body are sealed through Sika glue. Rock wool is filled in gaps among the arc corner plates, the wall plate body and the floor body. The utility model has the advantages that the structural design is reasonable, and no dead angle and sterility of the refrigeration house can be effectively ensured through the Sika glue sealing between the skirting line and the wall plate, the filling of the rock wool in the gap and the reasonable structural design of the wall plate and the floor.

The utility model relates to a reversed beam structure of a deck in a ship cargo hold area. The problems that in the prior art, a ship liquid cargo tank deck is insufficient in strength, and a liquid cargo tank is not easy to clean are solved. The deck comprises a deck body, a liquid cargo tank is arranged at the bottom of the deck body, a deck reinforcing aggregate structure is arranged on the upper end face of the deck body, a water sealing bulkhead structure is arranged in the circumferential direction of the deck body, and an outward turning assembly capable of turning the deck outwards so that the liquid cargo tank can communicate with the outside is arranged on the upper end face of the deck body. The utility model has the advantages that the structural strength and the sealing performance of the deck in the cargo tank area are improved, and the cleaning is more convenient.

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.

The invention provides an efficient ship cabin enclosure bulkhead plate, which relates to the technical field of ship cabin enclosure bulkheads, and comprises a combined wall plate and a combined locking piece, the combined wall plates are composed of adjustable wall plates A and adjustable wall plates B. The adjustable wall plates A are connected with the adjustable wall plates B. The two ends of each combined wall plate are connected with the two adjacent combined wall plates. A rotary locking block is installed in the adjustable wall plate B and connected with the adjustable wall plate A. Square grooves are formed in the two ends of the rotary locking block and located outside the adjustable wall plate B. According to different cabin specifications, the connecting part of the adjustable wall plate A and the adjustable wall plate B can be adjusted, the width of the combined wall plate is changed, and the combined wall plate is better suitable for installation and use of cabins of different specifications. The problems that an existing ship cabin enclosure bulkhead plate mostly adopts an integrated design, the size needs to be specially customized and produced, adaptive adjustment cannot be conducted according to different cabin specifications, and use limitation exists are solved.

The invention provides a ship anti-reburning safe cabin opening system and method based on external continuous supply, and relates to the technical field of ship fire fighting and safety. The system comprises a cabin body interface which is pre-buried in the outer side wall of a ship cabin body and penetrates through the cabin wall, and the cabin body interface is provided with a detachable screw cover; the conveying pipeline is used for connecting the cabin body interface with an external fire extinguishing agent supply device; the external fire extinguishing agent supply device is integrated with a control system and is used for adjusting the conveying pressure and the flow speed of the fire extinguishing agent; the system is suitable for secondary and above fire extinguishing after first fire extinguishing, before cabin opening and after cabin opening of a ship, and a fire extinguishing agent is continuously conveyed into a cabin through a cabin body connector so as to completely eliminate smoldering and after-combustion hidden dangers. According to the system, secondary or more fire extinguishment can be carried out after a ship completes first fire extinguishment, before cabin opening operation and after cabin opening, accurate detection and continuous extinguishment of a smoldering point in a cabin are achieved, the possibility of after-combustion is completely eradicated, and the safety of goods and equipment in the cabin is protected to the maximum extent.