17results about "Hull double bottoms" patented technology

The invention belongs to the technical field of ship body structures, and discloses a ship body double-layer bottom structure and an installation method thereof, in the installation process of the ship body double-layer bottom structure, when a worker assembles an inner bottom plate body, a ship outer plate, a solid rib plate and a rib, installation of a slow-installation cover plate can be delayed, and when the structure is assembled, installation of the slow-installation cover plate is facilitated. In addition, after installation of the inner bottom plate body, the ship outer plate, the solid rib plate and the ribs is completed, a worker can also firstly install other equipment in the bilge of the ship body, due to the fact that the slow installation cover plate is not installed yet, the large operation space is achieved at the moment, and after installation of the structure is completed, the worker can conveniently install the inner bottom plate body, the ship outer plate, the solid rib plate and the ribs. The buffer cover plate is installed in the containing groove and fixedly connected with the ship outer plate, the groove wall of the containing groove, the solid rib plate and the ribs at the same time, due to the fact that the surface of the buffer cover plate is flush with the surface of the inner bottom plate body, the space above the inner bottom plate cannot be occupied, and more installation space can be reserved for a liquid tank or cabin equipment.

The present application relates to the field of ship floating floor, particularly to an anti-impact ship floating floor module, comprising a fixed base, a floating plate, a plurality of supporting pieces, a plurality of mounting pieces and a plurality of stretching pieces; the upper surface of the fixed base has a rectangular recessed structure in the middle; the lower surface of the floating plate has a protruding structure matched with the recessed structure in the middle, the edges of the floating plate and the edges of the recessed structure have a gap and can move within a certain range; the plurality of supporting pieces are arranged in a ring array on the surface of the fixed base, and the bottom end of the supporting piece and the bottom end of the fixed base are located on the same plane; the plurality of mounting pieces are respectively located directly above the plurality of supporting pieces and are arranged on the floating plate, and the bottom end of the mounting piece is not lower than the horizontal height of the bottom end of the floating plate; the plurality of stretching pieces are respectively arranged between the plurality of supporting pieces and the plurality of mounting pieces, one end of the stretching piece is clamped in the supporting piece, and the other end of the stretching piece is clamped in the mounting piece.

The invention relates to the field of ship floating floors, in particular to an impact-resistant ship floating floor module which comprises a fixed base, a floating plate, a plurality of bearing pieces, a plurality of mounting pieces and a plurality of stretching pieces. A rectangular concave structure is arranged in the middle of the upper surface of the fixed base; a convex structure matched with the concave structure is arranged in the middle of the lower surface of the floating plate, a gap is formed between the edge of the floating plate and the edge of the concave structure, and the floating plate can move within a set range; the multiple bearing pieces are arranged on the surface of the fixed base in an annular array mode, and the bottom ends of the bearing pieces and the bottom end of the fixed base are located on the same plane. The multiple mounting pieces are located over the multiple bearing pieces correspondingly and arranged on the floating plate, and the horizontal height of the bottom ends of the mounting pieces is not lower than that of the bottom end of the floating plate; the multiple stretching pieces are arranged between the multiple bearing pieces and the multiple installation pieces respectively, one end of each stretching piece is clamped in the corresponding bearing piece, and the other end of each stretching piece is clamped in the corresponding installation piece.

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

The application discloses a marine bottom shielding structure combining a cabin bottom shielding structure and a stack bottom shielding structure, which comprises the cabin bottom shielding structure and the stack bottom shielding structure located on the lower plate of the double bottom of a ship body, and a stack cabin shielding structure and a primary shielding structure located on the upper plate of the double bottom of the ship body, wherein the primary shielding structure is wrapped outside a reactor pressure vessel, the stack cabin shielding structure is located outside the primary shielding structure, the cabin bottom shielding structure is located outside the stack bottom shielding structure, and the stack bottom shielding structure is located below the primary shielding structure. The marine bottom shielding structure combining the cabin bottom shielding structure and the stack bottom shielding structure has simple structure, can form a complete radiation shielding system together with the stack cabin shielding structure, the primary shielding structure and seawater below the ship body, and can weaken the radiation leakage of the stack cabin to the surrounding area to the maximum extent, so as to ensure the radiation safety of personnel and equipment in the surrounding area.

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.

To provide a fuel cell vessel capable of minimizing damage even when storage cell explodes due to some cause.SOLUTION: The fuel cell vessel includes a storage cell compartment where a storage cell for supplying electric power which is different from a fuel cell to a propulsion device. The storage cell compartment is provided in between a deck and a bottom part of a hull. A structure for supporting the storage cell case in a position higher than a bottom wall of the storage cell compartment is provided at a position in between the bottom wall of the storage cell compartment and the storage cell case for storing the storage cell inside the storage cell compartment.SELECTED DRAWING: Figure 3

A ship body is provided with the double-layer bottom composed of an inner bottom plate and an outer bottom plate, inner bottom longitudinal ribs are arranged between the inner bottom plate and the outer bottom plate and on the inner bottom plate, outer bottom longitudinal ribs are arranged on the outer bottom plate, the pipe supporting tool is arranged between the inner bottom plate and the outer bottom plate, the pipe supporting tool is provided with a long-strip-shaped round pipe body, and the long-strip-shaped round pipe body is provided with a long-strip-shaped round pipe body. Square sealing plates are arranged at the two ends of the round pipe, and clamps are fixed outside the sealing plates. The clamp is vertically arranged between the inner bottom plate and the outer bottom plate, the inner bottom longitudinal bone and the outer bottom longitudinal bone are located at the two ends of the clamp respectively, inserted into a clamping groove formed by the two limiting plates and fixed through bolts in an abutting mode, and the multiple pipe supporting tools are arranged between the inner bottom plate and the outer bottom plate at equal intervals. The device is used for conducting temporary structural reinforcement on the area, where stress exceeds the standard, of the double-layer bottom structure in the ship launching process of slipway construction, the pressure bearing capacity of the double-layer bottom structure is enhanced, the bearing capacity of the ship bottom structure in the slipway area is effectively improved, and safe launching of the ship for slipway construction is achieved.

A pleasure craft is provided such as a luxury pleasure craft. The craft eliminates the need for transverse bulkheads in one or more decks inside the hull of the craft, thus improving the aesthetics and usability thereof. The hull of the pleasure craft defines an imaginary or virtual freeboard deck located below the main deck of the craft. A cavity is arranged on one or more decks on both sides of the hull separate from the remaining space of the corresponding deck and delimited on its outer side by the corresponding side wall. The imaginary or virtual freeboard deck is therefore at a height equal to the extension in the vertical direction of the cavities from the floor of the corresponding deck.

A ship structure is provided that enables inspection of welded portions that become critical points in bilge tanks without incurring a large amount of expense on inspection equipment. A side girder (31) is provided along the welded portion between the first connecting edge (29Ac) of the first transverse web member (29A) and the second connecting edge (29Ba) of the second transverse web member (29B) in the transverse web (29). A window hole (33) for inspection is formed in the side girder (31). The window hole (33) is used to allow an inspection worker (M) to inspect the welded portion between the inclined inner edge (29Ab) and the straight inner edge (29Bc), which become the critical point (CP) for endurance inspection, while lying prone on the side girder (31).

The invention belongs to the technical field of ship connecting devices, and particularly discloses a ship body connecting device of an assembled cutter suction dredger, which comprises a first connecting assembly A and a second connecting assembly B. The first connecting assembly A is used for connecting ship body structures except a ship bottom plate, and the second connecting assembly B is used for connecting the ship bottom plate. The second connecting assembly B comprises a male connector, a female connector, a first screw rod, a first nut, an adjusting mechanism and a sealing mechanism. By arranging the adjusting mechanism, when the male connector and the female connector are connected, the connecting pipe can be adjusted according to the position between the female connector and the male connector, and after the connecting pipe and the inserting hole of the female connector are kept coaxial, the first screw can be easily inserted into the connecting pipe from the inserting hole of the female connector, so that the connecting pipe can be conveniently connected. The problem that accurate butt joint of the two ship bodies cannot be achieved due to deviation of the positions of the male connector and the female connector is solved, and the convenience and accuracy of ship body connection are improved.

The invention relates to the technical field of ship construction, in particular to a ship double-layer bottom toggle plate design method which comprises the following steps: S1, determining the height h, the length a, the thickness t and the material yield stress ReH of a reinforcing toggle plate according to the relative deformation generated by a reinforcing frame and a transverse bulkhead and the height of a bottom rib plate; s2, an arc line is drawn on the side face of the reinforcing toggle plate, the arc line passes through the upper end point of the reinforcing toggle plate, the geometric center point of the side face and the lower end point of the reinforcing toggle plate, and an area defined by the arc line is cut and removed to form an arc-shaped face; s3, determining an inertia moment value of the reinforced toggle plate according to the height h, the thickness t and the material yield stress ReH of the reinforced toggle plate; and S4, reinforcing toggle plates are connected to the bottom rib plates in the outer bottom plate and the inner bottom plate, the upper ends of the reinforcing toggle plates are connected with the inner bottom longitudinal bones, and the lower ends of the reinforcing toggle plates are connected with the outer bottom longitudinal bones. The stress concentration can be reduced, so that the stability of the strong frame structure is improved.

The invention relates to the field of shipbuilding equipment.The anti-shearing structure of the container ship cabin comprises an outer plate, a double-layer bottom is arranged at the bottom end of the outer plate, a deck platform is horizontally arranged in the outer plate, an inner longitudinal wall is vertically arranged in the outer plate, the inner longitudinal wall is fixedly connected with the deck platform, and the inner longitudinal wall is fixedly connected with the deck platform. And the inner longitudinal wall is fixedly connected with the outer plate. The structure can be rapidly arranged, the cabin separation requirement of a cabin can be met, the effect of supporting a cabin deck can be achieved, the thickness of a hatch coaming is reduced, and the structure weight and the shipbuilding cost are reduced.

The present application provides a drainage structure for a ballast tank which does not significantly lengthen the time for discharging residual ballast water from the ballast tank even if the number of water passages is reduced compared to the prior art. Four small partitioned chambers (2-1) to (2-4) included in a lateral small partitioned chamber row (20W) are in a communication state via three water passages (25) respectively penetrating three longitudinal frame members (17) within the lateral small partitioned chamber row (20W). In addition, a plurality of small partitioned chambers respectively included in four longitudinal small partitioned chamber rows (20L) are each in a communication state by a plurality of water passages (25) respectively penetrating a plurality of floor members (13), the four longitudinal small partitioned chamber rows (20L) being composed of a plurality of small partitioned chambers [(1-1) to (4-1), (1-2) to (4-2), (1-3) to (4-3), (1-4) to (4-4)] including one of the four small partitioned chambers (2-1) to (2-4) constituting the lateral small partitioned chamber row (20W) and arranged in a longitudinal direction (L) of the ship.

The invention provides a ship double-layer bottom structure which is characterized in that a plurality of mounting parts are arranged in the width range of each container area, and on an inner bottom plate, the mounting parts corresponding to the two sides of the width of each container area are container corner mounting parts; the pipe tunnel longitudinal girder is arranged on the box corner mounting part close to the center line of the ship body; the distance between every two adjacent reinforcing longitudinal girders in the width direction of the ship body is 1-2 times of the width of the container area. And the longitudinal ribs corresponding to the box corner mounting parts are box corner reinforcing longitudinal ribs. According to the double-layer bottom structure of the ship, the installation positions and the arrangement modes of the trusses and the longitudinal bones are limited, on the premise that the structural strength is ensured, construction can be completed through a small number of structural parts, and therefore the construction efficiency is improved, and the construction cost is reduced.

The invention discloses an active vibration isolation method, device and equipment based on piezoelectric ceramics, a medium and a product, and relates to the technical field of vibration and noise reduction of ship and ocean engineering.The method comprises the steps that the rigidity of a ship body structure is actively adjusted based on an intelligent material-piezoelectric ceramic intelligent toggle plate; the real cabin section provided with the intelligent toggle plate is simulated, and the inherent frequency and sound radiation data of the hull structure are obtained; a prototype performance test is carried out through the intelligent toggle plate, and the inherent frequency and sound radiation data of the hull structure are predicted; and the steps of adjustment, simulation and prediction are repeatedly executed, and when the optimal inherent frequency and the optimal sound radiation data of the hull structure are determined, vibration and noise reduction is completed. Impedance characteristics of the ship body structure can be changed, and vibration and noise reduction of the ship body double-layer bottom structure is achieved.

The utility model discloses a sightseeing ship which comprises a bottom layer making contact with the water surface, and a reinforcing layer is laid on the bottom layer. Each of the bottom layer and the reinforcing layer comprises a single body; one end of each single body is connected with an arranged first plug, and the other end of each single body is connected with an arranged second plug; the single body is made into a circular tube shape by adopting a plastic material, and an air inlet nozzle is arranged on the first plug; air sources are filled into the single bodies through the air inlet nozzles, so that the bottom layer and the reinforcing layer have enough bearing capacity, and meanwhile the buoyancy of the ship body part can be improved. When a plurality of single bodies are arranged together and high-pressure gas is filled into the single bodies, on one hand, the hardness of the single bodies can be enhanced, and the buoyancy of the hull part can also be increased; 2, the manufacturing cost of the ship body is reduced; and thirdly, the bearing capacity and the structural strength of the ship body can be improved through cooperation of the bottom layer and the reinforcing layer. On the basis, the ship body has the advantages of being simple in structure, high in bearing capacity and low in manufacturing cost.