100 results about "Compartment (ship)" patented technology

The invention relates to the technical field of ship construction, and discloses a container ship module block division method which comprises the following steps: S1, according to a functional system, a hoisting system and a segmented supporting tool, dividing a container ship into a cabin module block, a cargo hold module block, a bow module block and a superstructure module block; s2, the cabin module block is divided into a front cabin subsection, a rear cabin subsection, a cabin upper cover subsection and a rudder upper cover subsection by taking base distribution as a benchmark; s3, dividing the cargo compartment module block into a bottom section, a broadside section and a transverse bulkhead section by taking the length of the container as a reference; s4, dividing the bow module block into a bow lower ring section, a bow upper ring section, a bow upper section and a bow lower section by taking distribution of a liquid tank base and a lateral thrust tank base as a reference; and S5, taking the integrity of the cabin as a benchmark, and dividing the superstructure module block into one or more sub-segments. The weight and the height of each module block are increased, the number of segments included in each module block is reduced, and the construction period in the dock is shortened.

The embodiment of the invention discloses a ship bilge keel system and a ship. The bilge keel system comprises a bilge keel cabin, a bilge keel body, a hydraulic automatic control unit, a hydraulic jack set, a connecting toggle plate, a rotating shaft and a sealing limiting unit. The bilge keel cabin is arranged at the joint of a ship bottom plate and a broadside, a bilge keel body is of a triangular prism-shaped structure defined by three rows of coamings and is provided with a first limiting connecting piece and a second limiting connecting piece, and the broadside coaming is in an arc shape along a broadside outer plate and corresponds to an opening of the bilge keel in shape. One side of the side coaming is hinged to a bilge keel opening through a rotary hinge, and the hydraulic automatic control unit can control the hydraulic jack set to stretch out and draw back so as to drive the bilge keel body to rotate along the rotary hinge through the rotary shaft, so that the first limiting connecting piece or the second limiting connecting piece is in matched sealing connection with the sealing limiting unit. The retractable design of the bilge keel is achieved, and the sailing resistance is reduced by recovering the bilge keel.

The invention discloses a ship lift main lifting mechanism debugging system, which comprises a real-time data monitoring module used for carrying out real-time monitoring and analysis on electric signal delay transmitted in the operation process of a ship chamber positioning electric control system and carrying out classified recording and reporting on obtained delay information; and the ship chamber carrying state test module is used for acquiring cooperative operation parameters among the linkage power systems when the ship chamber is in different load and travel states, comparing and analyzing the cooperative operation parameters with preset rated parameters of the system, generating corresponding feedback data according to a comparison result, and reporting the feedback data. According to the debugging system for the main lifting mechanism of the ship lift, data of the main lifting mechanism of the ship lift in the operation process are collected, the collected data are processed, error data are reported and processed, good operation of the main lifting mechanism of the ship lift is guaranteed, and the debugging efficiency of the main lifting mechanism of the ship lift is improved. And the problem of channel blockage caused by ship retention due to faults in the operation process is avoided.

The present invention discloses a compartment structure suitable for verifying the deformation coordination capability of a typical seagoing pipeline system. The compartment structure comprises a pressure hull plate and pressure hull ribs with dimensions identical to those of an actual ship, thickened pressure hull rings at both ends of the pressure hull plate; oversized ribs at both ends of the compartment structure, spaced the same as the distance between the bulkheads of an underwater vehicle; the platform structure is mounted near the port and starboard horizontal centerlines of the pressure hull plate; the simulated internal liquid tank structure comprises the front and rear transverse walls of the internal liquid tank; pressure hull side valve mountings are mounted on the pressure hull plate; internal liquid tank transverse bulkhead piping mountings are mounted on the transverse walls of the simulated internal liquid tank structure; and bulkhead piping mountings are mounted on the webs of the oversized ribs. The present invention can provide the most direct basis for verifying the deformation compensation capability of a displacement compensation device in a typical seagoing pipeline system at extreme depths.

A live fish cabin fish protection system and method special for complex sea conditions comprises a fish cabin, anti-collision wall bodies are installed in the fish cabin, the anti-collision wall bodies are the same in structure, the two anti-collision wall bodies on the opposite sides correspond to each other and are connected, and the structure of each anti-collision wall body comprises anti-collision strips which are sequentially distributed at intervals from top to bottom; the anti-collision strips are fully distributed along the bulkhead, all the anti-collision strips are communicated with one another, and each anti-collision strip is provided with injection orifices which are uniformly distributed; a fish protection system is arranged between the two anti-collision wall bodies on the opposite sides, and each fish protection system structurally comprises a water pump, the two ends of each water pump are connected with water outside the ship and a discharge port respectively, and meanwhile the two ends of each water pump are connected with the anti-collision wall bodies in parallel through control valves. Through unique design of the fish cabin and installation of the anti-collision walls on the periphery, survival of fishes is effectively protected, the fish cabin can adapt to complex sea conditions, and live fishes are prevented from impacting the cabin wall due to shaking of a ship in the fish cabin, so that survival of the fishes is protected, and the survival effect of the live fishes caught by voyage times of the ship is improved.

The application relates to the technical field of cabin sealing of a ship propulsion system, and provides a ship cabin sealing device and a ship, which comprises a sealing flange, a linear driving mechanism and a flange seat; the sealing flange is movably sleeved on a transmission main shaft of the ship, and the axis of the sealing flange is coincident with the axis of the transmission main shaft; one side of a sealing boss of the sealing flange facing the transmission main shaft is provided with a sealing surface, the sealing surface is used for being detachably connected with the end surface of the sealing boss; the sealing flange is connected with the moving end of the linear driving mechanism, the fixed end of the linear driving mechanism is connected with the flange seat, and the flange seat is used for being connected with the cabin wall fence of the ship; wherein the sealing flange has a first position and a second position; when the sealing surface is separated from the end surface of the sealing boss at the first position; and when the sealing surface is attached to the end surface of the sealing boss at the second position; the application conveniently realizes the sealing of the cabin, and improves the safety of the ship.

The application discloses a kind of static water pressure loading methods of automobile roll-on / roll-off ship under broken compartment condition, at least including as follows: broken compartment water line is expressed using function segmentation under broken compartment condition at a transverse section;Broken compartment water line is cut into several segments in longitudinal direction under broken compartment condition;The method of finite element is segmented to apply static water pressure under broken compartment condition.The main problem of simulating the correct broken compartment water line under broken compartment condition is solved, so as to accurately check the structural strength of watertight deck;The operation of conventional application method is conservative, which causes the broken compartment pressure to be greater than the actual value, resulting in the unreasonable increase of structure, and the broken compartment water line simulation is accurate in the application, and the structure arrangement is reasonable.

The invention relates to the technical field of ship construction, in particular to a ship cargo hold ballast tank strength test method. The method comprises the following steps: S1, determining an initial working condition of a cargo compartment section: selecting the cargo compartment section in a half-ship state as a strength test object, wherein the cargo compartment section is in a sealed state; s2, testing the strength of the second ballast tank; s3, testing the strength of the fourth ballast tank; s4, testing the strength of the first / third ballast tank; and S5, the leveling working condition of the cargo compartment section is determined. According to the invention, before the whole LNG transport ship is formed, the strength test of the ballast tank of the cargo hold is realized in advance, the decahedron stress of the cargo hold is released in advance, the forward movement of construction nodes of the containment system is ensured, and the overall construction period is shortened by 2-3 months.

This application discloses an integrated control method for the installation process of equipment in ship outfitting engineering, including: establishing an installation envelope model for each outfitting device in the ship's three-dimensional design model and assigning an installation time window, and outputting an installation process Gantt chart; deploying a deformation monitoring sensor group around the equipment base to continuously monitor the structural deformation after temperature compensation following welding; establishing a primary and secondary reference point network and calculating the target installation coordinates of the equipment base; performing epoxy grouting and monitoring the curing process through temperature sensors; performing precise six-degree-of-freedom alignment after hoisting the equipment body into place, and feeding back the deviation data to the coordinate transformation function to correct the target coordinates of subsequent equipment; and conducting pre-approval and multi-party signing for the sealing and control of the compartments. This method transforms the judgment of installation timing and process arrangement from experience-dependent to data-driven quantitative control, and improves the first-pass yield of equipment installation through precision closed-loop iterative correction.

The utility model relates to the technical field of ship construction, in particular to a ship which comprises a ship body, a passenger cabin, a driving mechanism, a gyroscope and a controller. An arc-shaped guide structure is arranged on the ship body, the length direction of the guide structure is arranged in the width direction of the ship body, and the passenger cabin is slidably connected to the guide structure. The driving mechanism is connected with the ship body and the passenger cabin and can drive the passenger cabin to move on the guide structure; the gyroscope is arranged on the ship body, the gyroscope and the driving mechanism are electrically connected with the controller, the inclination direction of the top of the ship body can be detected through the gyroscope, when the top of the ship body inclines leftwards, the passenger cabin can be driven by the driving mechanism to move leftwards on the arc-shaped guide mechanism, and when the top of the ship body inclines rightwards, the passenger cabin can move leftwards. The passenger cabin can be driven by the driving mechanism to move rightwards on the arc-shaped guide mechanism, the swing amplitude of the passenger cabin along with the ship body is reduced, stabilization of the passenger cabin is achieved, the space occupied by the guide mechanism and the driving mechanism is small, and the device is more suitable for small and medium-sized ships.

The utility model provides a ship fan room which is used for being arranged on a deck of a ship and comprises a fan room shell, the fan room shell is used for being arranged on the deck, an air supply cabin and an air exhaust cabin which are independent of each other are formed in the fan room shell, and the air supply cabin and the air exhaust cabin are used for being communicated with cabins in the deck respectively. The air feeder is arranged in the air feeding cabin, and the air feeding cabin is communicated with the cabin through the air feeder; and the exhaust fan is arranged in the exhaust cabin, and the exhaust cabin is communicated with the cabin chamber through the exhaust fan. According to the ship fan room provided by the embodiment of the utility model, the mutual isolation of air supply and air exhaust in the fan room can be realized, and the ventilation efficiency of the fan room is greatly improved.

The present invention relates to the technical field of ship design, manufacturing and installation, and specifically to a vibration-resistant reinforcement structure located between a main engine room and an oil separator room, comprising a longitudinal vibration-resistant wall arranged between the main engine room and the oil separator room of the ship, the longitudinal vibration-resistant wall being used to install an auxiliary vibration-resistant support connected to a main engine in the main engine room of the ship, the longitudinal vibration-resistant wall comprising an upper wall and a lower wall connected in an integrated manner, the upper end of the upper wall being connected to an upper deck, the lower end of the lower wall being connected to a lower deck, the lower wall being a plurality of piers arranged at intervals in the longitudinal direction, each of the piers being provided with a waist-shaped hole in the middle through which personnel can pass in the longitudinal direction of the ship; a bridge hole serving as a transverse passage is formed between the two adjacent piers, and the waist-shaped holes of each pier form a longitudinal passage in the longitudinal direction. The present invention facilitates the passage of crew members while ensuring structural strength and reducing vibration of the main engine.

The invention discloses a method for testing the effectiveness of a drainage port of an open cargo hold of an open ship, and the method is characterized in that the method comprises the steps: simulating a test environment condition and a test object; determining the most unfavorable opening cargo hold of the open container ship; simulating the immersion volume of the open cargo hold of the open ship; injecting water into each open cargo hold; carrying out an open cargo compartment drainage port effectiveness test; and evaluating a test result. The method has the advantages of wide application range, high accuracy, high reliability, high repeatability and high safety.

The embodiment of the present invention provides a method and system for identifying the dynamic water level in a ship cabin. First, the acquired image is preprocessed. After image graying, image segmentation, and morphological processing, the dynamic liquid level is identified based on the PP‑YOLO v2 algorithm. The water tank is simulated as a cabin for experiment to obtain the liquid level detection result. The relative error of the liquid level result measured by the algorithm is 1.33%, and the accuracy rate reaches 98.67%, which has strong reliability. The automation level of ship cabin liquid level identification is improved, and it has strong application value.

A ship lift safety mechanism gap adjustment method and a ship lift safety mechanism turning method, first require to disconnect the connection between the ship compartment attitude driving point reducer and the synchronous shaft which needs to be adjusted, and then reinstall the synchronous shaft after adjusting the ship compartment to the horizontal state. Then, the adjustment direction is determined by measuring the gap value of the upper and lower ends of the safety mechanism screw pair. Subsequently, the driving universal coupling of the safety mechanism is removed, and the specially designed ship lift safety mechanism gap adjustment device is connected and fixed with the upper rotary support disc of the safety mechanism. By manually rotating the device, the upper and lower gap values of the safety mechanism screw pair can be selectively increased or decreased until the preset standard is met. Finally, after confirming that the gap adjustment meets the standard, the driving universal coupling of the safety mechanism is reassembled to restore the normal operation of the ship lift. The present application not only improves the safety and reliability of the ship lift, but also simplifies the maintenance process and reduces the operation difficulty.

This invention relates to the field of marine engineering technology and discloses an explosion-proof pressure relief system and its control method for ship cabins. The cabin includes a wall panel with a vent. The system includes: a sealing gasket surrounding the vent on the wall panel; a sealing plate abutting the outer end of the sealing gasket; a clamping assembly including a gas cylinder, a cylinder, a pressure relief valve, a first solenoid valve, and a second solenoid valve. The piston rod end of the cylinder abuts against the outer end of the sealing plate. The pressure relief valve is located in the rodless chamber of the cylinder. A first pipeline connects the gas cylinder to the rodless chamber of the cylinder, and a second pipeline connects the gas cylinder to the cabin. The first solenoid valve is located in the first pipeline, and the second solenoid valve is located in the second pipeline. The gas cylinder contains inert gas. A control assembly is electrically connected to the pressure relief valve, the first solenoid valve, and the second solenoid valve. The explosion-proof pressure relief system and its control method for ship cabins provided by this invention can maintain stable pressure within the cabin and also address fire hazards.

1. The name of the design product: fireproof cabin wiring wall box. 2. The use of the design product: used for the connection of electric wires on the fireproof cabin wall of a ship and the protection of electric wire joints. 3. The design points of the design product: in the shape of the product. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Other circumstances that need to be explained: the basic design of multiple similar designs: design 1 is designated as the basic design of the present design application.

The present invention discloses an active large-amplitude long tunnel double-ship combined ship hydrodynamic experimental device and method, the device includes a pushed ship model and a booster ship model, a rectangular transparent water pool, a water pool bracket, a height difference generating system, a ship model mooring system and a measuring system, the measuring system includes a flow rate meter, a wave height meter, a six-component force measuring balance, a high-speed camera and a water surface height scale, the flow rate meter is used to measure the flow rate of water in the transparent water pool, the wave height meter is used to measure the water level fluctuation in the transparent water pool, the six-component force measuring balance is arranged on the pushed ship model and the booster ship model, the high-speed camera is used to photograph the pushed ship model and the booster ship model, and the water surface height scale is used to measure the water level height of the transparent water pool; the present invention can systematically study the ship resistance, ship posture and motion response during the process of the ship entering and exiting the ship compartment.

The invention discloses a partition door in a ship cabin and an installation method of the partition door, guide rails are arranged on a cabin top plate and a cabin bottom plate of a cargo cabin, the partition door is installed between the upper guide rail and the lower guide rail, and the space in the cabin can be divided into a plurality of independent areas through the partition door to be used for containing different goods; and if the actual cargo loading amount needs a single cargo hold, a plurality of independent areas can be combined into one by opening the partition door, so that the storage space is expanded, the utilization rate of the cargo hold space is effectively improved, and the cargo loading amount of the cargo hold is improved.

A construction method of a MARK III type liquefied natural gas transport ship is characterized in that a small dock or an unoccupied area of the dock is utilized, a watertight structural design meeting the structural strength is adopted, and the MARK III type liquefied natural gas transport ship is divided into two sections to be constructed (a bow half section and a stern half section) by taking an isolation void compartment of any cargo compartment as a boundary. After the ballast tank strength test is completed, the whole ship is formed in a floating butt joint mode, and construction of all working procedures of a cargo containment system is carried out after butt joint. After the main ship body is formed and the shaft rudder system is constructed, the whole ship floats out of the dock, construction of the remaining cargo wall system is completed in the dock mooring stage, and the underwater construction period is shortened. According to the method, the liquid cargo natural gas transport ship is built by using the small dock and the free area of the dock, a cargo containment system has construction conditions in advance, the building period of the whole ship is shortened, core resources of ship building are efficiently utilized, the total period of ship building is shortened, and the building cost is reduced.

A tightness testing method for a special compartment of a dual-fuel container ship. The method comprises the following steps: S1, making a plan to perform a tightness test on a special compartment by zones; S2, according to the plan in S1, simulating the tightness test for the special compartment of a dual-fuel container ship, so as to determine whether the plan in S1 is feasible; S3, according to the plan in S1, performing the tightness test on the special compartment; and S4, restoring the special compartment. By means of the present invention, a tightness test for a special compartment of a dual-fuel container ship can be implemented by zones in advance without relying on the integrity of the overall compartment structure, and a containment system can be constructed in advance, thereby shortening the shipbuilding cycle.

This invention relates to the field of shipbuilding and marine engineering technology, and particularly to a marine submersible deployment and retrieval structure and transport vessel. The marine submersible deployment and retrieval structure includes: a deployment and retrieval compartment, a cylindrical hull, a ballast platform, and several towing mechanisms. The cylindrical hull is vertically integrated into the deployment and retrieval compartment. The ballast platform is slidably connected to the cylindrical hull and supports the marine submersible. Several towing mechanisms are all located within the deployment and retrieval compartment, and their towing ends pass through the cylindrical hull and connect to the ballast platform. The ballast platform has a receiving cavity, the cavity wall of which has a first through-hole through which water can be injected. Compared to existing technologies, this marine submersible deployment and retrieval structure operates entirely within the vessel hull, with the deployment and retrieval compartment directly lowered into the water, reducing rolling amplitude. This allows the marine submersible transport vessel to operate in high sea states, extends the operational window, ensures safe and efficient deployment and retrieval of the marine submersible, and reduces the vessel's production and operating costs.

The utility model discloses an anti-collision fender and ship lift chamber, including mooring bollards, connecting beams and anti-collision blocks, a plurality of connecting beams are installed and connected between the two mooring bollards, one side of each connecting beam is detachably provided with the anti-collision block; the cable tying column comprises a column body and a cable tying cap, the cable tying cap is provided with a cable tying neck, and the cable tying cap is fixedly installed on the top of the column body through the cable tying neck. The multiple connecting beams are installed and connected between the two cable tying columns, the structural strength is high, the anti-collision blocks are detachably installed on one sides of the connecting beams, the anti-collision blocks are convenient to replace, and maintenance is easy and convenient.

This invention provides a dynamic unloading method and system for bulk cargo ships based on multi-site collaboration, comprising: Step S1: constructing a terminal operation knowledge base and a yard stockpile knowledge base; Step S2: collecting operation data in real time; Step S3: generating a multi-site list based on the yard stockpile knowledge base, yard inventory and inbound / outbound information, and material usage plan, wherein the multi-site list includes product name and available time for each site; Step S4: generating a multi-site selection sequence scheme for each simultaneously operating conveyor belt system based on the multi-site list and a dynamic site selection model; Step S5: generating an optimal unloading scheme based on the terminal knowledge base, ship information, equipment tracking status information, ship compartment volume, and multi-site selection sequence scheme through a ship unloading model; Step S6: guiding the unloading operation according to the unloading scheme, dynamically analyzing the deviation between planned and actual volume based on real-time collected operation data and unloading conveyor belt volume, and repeating steps S3-S5 when the deviation exceeds a threshold or a major event is detected.

The invention discloses a method for rapidly forecasting the resistance of a broadside structure in a wedge-shaped ship bow oblique collision scene, and relates to the field of structure safety analysis, comprising the following steps: decoupling a cabin section structure system into a typical resistance unit based on the wedge-shaped ship bow oblique collision scene, and analyzing the deformation stage of the resistance unit in the collision process; establishing a simplified analytical model of the resistance unit in different deformation stages in the collision scene, and deducing an analytical formula of the resistance unit based on an upper limit theorem; dynamically synthesizing the deformation damage resistance of the resistance unit in time and space dimensions through a vector superposition algorithm; based on the interaction among the resistance units, the deformation damage resistance of the resistance units is dynamically accumulated, and damage forecasting of the whole cabin section is achieved. According to the method, an analytic forecasting model of the tearing damage resistance of the boardside structure of the collided ship is established, accurate forecasting of the resistance characteristic and the energy absorption capacity in the whole oblique collision process is achieved, and the collision damage forecasting speed and accuracy are remarkably improved.

The utility model discloses a ship equipment maneuvering guarantee square cabin which comprises a cabin body, and a goods shelf cabin, a container cabin and a function cabin are sequentially formed in the cabin body in the first direction. An office compartment and a power compartment are sequentially formed in the functional cabin in the second direction, the first direction is perpendicular to the second direction, and the gas cylinder compartment is arranged between the power compartment and the container cabin; a first double-door and a second double-door are arranged on the two sides of the cabin body in an openable mode, and the first double-door is used for being communicated with the goods shelf cabin; a first single door is arranged on one side of the cabin body in an openable mode and used for being communicated with the power compartment, and a second single door is arranged on the other side of the cabin body in an openable mode. Through the application of the ship equipment maneuvering guarantee square cabin, the integrated cabin body is divided into different functional compartments, so that standard storage of different equipment, consumables and the like is facilitated, logistical work can be quickly carried out, and the supply efficiency of the equipment and the consumables is improved.

The utility model discloses an anti-collision rubber fender with a buffer column, belongs to the technical field of ship anti-collision fenders, and solves the problem that the existing anti-collision rubber fender is poor in anti-collision effect. The buffer device comprises a positioning seat and a buffer column body, an empty bin is formed in the positioning seat, one end of the buffer column body is inserted into the empty bin in a sliding mode, a buffer ball is arranged between one end of the buffer column body and the bottom of the empty bin, and the other end of the buffer column body extends to the outer side of the positioning seat and is sleeved with a rubber cylinder in a sliding mode. A plurality of rolling structures capable of being in rolling contact with the inner wall of the rubber cylinder are uniformly arranged on the outer wall of the buffer cylinder, the outer wall of the rubber cylinder is connected with the positioning seat through a traction chain, and a mounting structure for mounting the positioning seat on a wharf is arranged on the positioning seat. A plurality of supporting mechanisms used for conducting auxiliary supporting on the ship are further symmetrically arranged on the positioning base. According to the anti-collision rubber fender, the anti-collision effect can be effectively improved, and the service life of the anti-collision fender and the service life of a wharf are prolonged.

The invention belongs to the technical field of ships, and particularly relates to a multipurpose ship structure. The adjacent unpowered van ships (2) are flexibly connected, the forefront unpowered van ship (2) is flexibly connected with the power bow (1), a hatch cover (4) is arranged at a hatch position at the upper part of a cabin (3), the cabin (3) is arranged in the unpowered van ships (2), the hatch cover (4) is arranged at the upper part of a hatch above the cabin (3), a wharf (5) is provided with a wharf track (6), and a ship track (7) is arranged at the upper part of the hatch cover (4). According to the multi-purpose ship structure, when goods are transferred between a wharf and the ship, the power bow and the unpowered compartment ship are connected in series to be close to the wharf, the power train connected in series can directly run and transfer between the wharf and the ship along the rails on the wharf and the ship deck, and the transportation speed is effectively increased; and the transportation time period is shortened, and upgrading and updating of shipping cargo transfer are achieved.