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60 results about "Compartment (ship)" patented technology

A compartment is a portion of the space within a ship defined vertically between decks and horizontally between bulkheads. It is analogous to a room within a building, and may provide watertight subdivision of the ship's hull important in retaining buoyancy if the hull is damaged. Subdivision of a ship's hull into watertight compartments is called compartmentation.

Ship bilge keel system and ship

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.
Owner:GUANGZHOU SHIPYARD INTERNATIONAL LTD

Debugging system for main lifting mechanism of ship lift

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.
Owner:HANGZHOU GUODIAN MASCH DESIGN RES INST CO LTD +1

Ship compartment sealing device and ship

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.
Owner:NO 719 RES INST CHINA SHIPBUILDING IND

A loading method for hydrostatic pressure under damaged condition of a car roll-on / roll-off 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.
Owner:SHANGHAI MERCHANT SHIP DESIGN & RES INST

Bag type ship bulkhead sealing device

The utility model discloses a bag type ship bulkhead sealing device which comprises a sealing seat and sealing covers installed on the two sides of the sealing seat in a sealed mode, a main shaft bush is arranged in an annular cavity formed by an inner hole of the sealing seat and the sealing covers on the two sides, the main shaft bush is connected to a ship main shaft in a sleeved mode, and a sealing piece is arranged between the main shaft bush and the ship main shaft. An annular elastic sealing bag is arranged on the periphery of the main shaft bush, an inner cavity of the elastic sealing bag is communicated with a pressurized sealing medium source through a communicating hole in a sealing seat, an on-off control valve is arranged in a connecting pipeline between the communicating hole in the sealing seat and the pressurized sealing medium source, and the periphery of the elastic sealing bag is connected with the inner hole wall of the sealing seat in a sealed mode. A sealing piece is arranged between an inner hole of the elastic sealing bag and the main shaft lining, and sealing pieces are also arranged between the two sides of the elastic sealing bag and the corresponding sealing covers. The bag type ship bulkhead sealing device can be used under the condition that a bulkhead wall and a ship main shaft have no strict perpendicularity requirement, and the sealing effect is guaranteed after water enters a bulkhead.
Owner:DONGTAI VESSEL FITTINGS

A ship outfitting engineering equipment installation process integration control method

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.
Owner:SHANGHAI CONSTRUCTION FIRST CONSTRUCTION (GROUP) CO LTD

Ship

ActiveCN224104265UVessel movement reduction by gyroscopesMovement controllersGyroscopeControl theory
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.
Owner:GUANGZHOU DESIGN & RES INST OF SHIPS & MARINE ENG

Ship lift safety mechanism gap adjusting method and ship lift safety mechanism turning method

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.
Owner:THREE GORNAVIGATION AUTHORITY

An explosion-proof depressurization system for ship compartments and its control method

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.
Owner:GUANGZHOU DESIGN & RES INST OF SHIPS & MARINE ENG

Fire compartment junction box

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.
Owner:QINGDAO JUXING MACHINERY & MOLD

Construction method of MARK III type liquefied natural gas transport ship

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.
Owner:DALIAN SHIPBUILDING INDUSTRY CO LTD

A submersible vehicle launch and recovery structure and a transport vessel

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.
Owner:RES INST 708 OF CHINA STATE SHIPBUILDING CORP

Anti-collision fender and ship lift chamber of ship lift

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.
Owner:CHINA THREE GORGES CORPORATION

Bulk cargo ship dynamic unloading method and system based on multi-address cooperation

PendingCN122288174AShorten uninstallation timeAvoid demurrageBulk cargoConveyor belt
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.
Owner:SHANGHAI BAOSIGHT SOFTWARE CO LTD

Method for quickly forecasting resistance of broadside structure in oblique collision scene of wedge-shaped ship bow

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.
Owner:SHANGHAI JIAOTONG UNIV

Multipurpose ship structure

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.
Owner:WUHU SHIPYARD CO LTD

Bulkhead structure and ship

This invention belongs to the field of marine technology and discloses a bulwark structure and a ship. The bulwark structure is connected to the deck body and includes a bulwark body and an air pipe. The bulwark body is connected to the deck body and encloses the deck body to form a first compartment. The air pipe includes a pipe body and a pipe head. The pipe body is located in the first compartment, and the pipe head is located above the first compartment. Thus, placing the pipe body in the first compartment saves space above the deck body, improves the utilization rate of the deck body, and reduces design and layout costs. At the same time, the first compartment also protects the pipe body, preventing it from being exposed to the outside of the deck body and suffering damage from impacts. While ensuring air communication and pressure balance between the inside and outside of the compartment, it also improves the safety performance of the pipe body and extends its service life.
Owner:CSSC HUANGPU WENCHONG SHIPBUILDING CO LTD

Multi-compartment super lift

This invention discloses a multi-compartment super ship lift, relating to the field of navigation technology for river water conservancy projects. It includes a lifting tower with an internal lifting channel and bridge compartments within the lifting channel. Several fixed pulleys are arranged on both sides of the lifting channel at the upper part of the lifting tower, aligned along the ship's entry and exit direction. Each pulley is connected to a steel wire rope, one end of which is connected to the bridge compartment via a bridge compartment gravity sensor, and the other end is connected to a counterweight via a balance weight sensor electronic crane scale. Chain lifting drives are installed inside both sides of the bridge compartments, with gears meshing with the chains. At least two parallel bridge compartments are arranged on the same navigation facility axis within the lifting tower. The bridge compartments are connected to each other via a bridge compartment docking compartment and a watertight compartment, and the waterway is controlled by a tilting door. Compared with existing technologies, this invention enables simultaneous navigation of multiple ships in multiple compartments, offering advantages such as small land area occupation, low investment, low energy consumption, and high navigation efficiency.
Owner:NANDAN YOUQUAN TECH CO LTD

Ship

The present invention relates to a ship comprising, in one compartment in which deck tanks are disposed on a deck from among a plurality of compartments in which cargo holds are disposed along the stem-stern direction of a hull: a cargo hold; a double bulkhead space that encompasses the cargo hold; a first deck that covers the upper portion of the cargo hold; a second deck that covers the upper portion of the double bulkhead space; and a deck tank disposed on the second deck, wherein the second deck can have a height lower than that of the deck of the compartment that differs from the one compartment, and the second deck can have a height lower than that of the first deck.
Owner:HD KOREA SHIPBUILDING & OFFSHORE ENG CO LTD

Flexible temporary parking device based on air cushion-water plug coupling

The invention relates to the technical field of ship temporary mooring equipment, in particular to a flexible temporary mooring device based on air cushion-water plug coupling. Comprising an air floatation box type structure with the bottom open and the upper end closed, an anchoring structure and a mooring device. The anchoring structure is used for connecting the air floating box type structure and the anchoring ground; the mooring device comprises a plurality of bollards. According to the flexible temporary parking device based on air cushion-water plug coupling, a bottomless structure is adopted to form an open type water cavity, air and water in the open type water cavity form an air cushion-water plug coupling buffering effect, in the berthing impact process, the water in the water cavity is compressed to form a water plug, air above the water plug is compressed to form an air cushion, and the air cushion is compressed to form the air cushion; both absorb and buffer impact energy and reduce impact load; the six or more compartment subdivision design is adopted, each compartment is independently closed to form a buoyancy regulation and control unit, and different working conditions and ship mooring and berthing requirements can be met; the arc streamline box head design reduces upstream water flow disturbance, and the ship diversion berthing stability is improved.
Owner:CHONGQING JIAOTONG UNIV

Arrangement of multipurpose ship towing winch

The invention discloses arrangement of a multi-purpose ship towing winch, and belongs to the field of ship optimization arrangement. The arrangement of the towing winch comprises a ship body, the ship body is provided with a deck and a cabin body, the cabin body is located below the deck, an installation table is arranged on the outer wall of the cabin body, and the towing winch is installed on the installation table. In the application, the mounting table is arranged on the outer wall of the cabin body below the deck, and the towing winch is arranged on the mounting table, so that the space of the deck cannot be occupied by the towing winch, and when the deck is used as a helicopter platform, the towing winch cannot influence a helicopter, so that the comprehensive utilization rate of the deck can be improved, and the service life of the helicopter is prolonged. The problems that the space of the deck is occupied by the towing winch due to the fact that the towing winch is arranged on the deck, the deck can only serve as a platform for arranging the towing winch, and then the comprehensive utilization rate of the deck is low are solved. In this way, the comprehensive utilization rate of the deck can be effectively increased.
Owner:DEEP SEA TECH & SCI TAIHU LAB LIANYUNGANG CENT

A novel LNG ship cavitation vent pipe penetration component

This utility model relates to the field of construction technology and discloses a novel cavitation venting pipe penetration component for LNG carriers. It includes a top deck, an expansion joint, and an outer protective sleeve, arranged sequentially. The cavitation venting pipe extends through the expansion joint and the outer protective sleeve to below the top deck. The expansion joint is fixed to the top deck via a flange and is located above the top deck. The outer protective sleeve is fixed to the top deck via a flange and is located below the top deck. The outer protective sleeve includes an upper outer protective sleeve and a lower outer protective sleeve. This device reduces shipyard costs and ship weight. Compared to the commonly used compartmentalized design, this device addresses the issue from the design stage by using a protective sleeve with a purging function. Its smaller size effectively reduces shipyard costs and the empty ship weight. The device effectively ensures safe ship operation. The penetration component in this device effectively eliminates the risk of natural gas and LNG leaking into the top empty compartment, ensuring safe ship operation.
Owner:CHINA MERCHANTS HEAVY IND JIANGSU

Low-profile cargo vessels providing transport of shipping containers

According to some embodiments of the present disclosure, a low-profile cargo vessel includes a cargo bed that is open to the stern, an engine compartment forward of the cargo bed, a fairing, and buoyancy volume. The cargo bed includes a cargo bed floor and first and second cargo bed walls on opposite sides of cargo bed floor. The cargo bed, interior portions of the first and second cargo bed walls, and interior portions of cargo bed floor are free-flooding to sea water. The fairing is configured to provide a hydrodynamic bow structure ahead of the engine compartment. The buoyancy volume is inside upper portions of the first and second cargo bed walls spaced apart from cargo bed floor so that the low-profile cargo vessel floats with a waterline above the cargo bed floor and more than half way up the first and second cargo bed walls.
Owner:THE GOVERNMENT OF THE UNITED STATES OF AMERICA AS REPRESENTED BY THE SECRETARY DEPARTMENT OF HEALTH & HUMAN SERVICES

Emergency braking system and method for out-of-control ship in ship chamber of ship lift

The emergency braking system mainly comprises anti-collision air bags, and the anti-collision air bags are divided into a plurality of groups and arranged at intervals along the longitudinal side wall of a ship compartment fender; the anti-collision air bags are inflated and deflated through the air supply system; the laser ranging trigger module monitors the speed of the ship entering the compartment in real time and outputs a trigger signal; the anti-collision air bag is retracted or stretched out through the hydraulic recovery mechanism. According to the emergency braking system and method for the out-of-control ship in the ship chamber of the ship lift, the operation safety and stability of the ship lift can be effectively improved.
Owner:THREE GORNAVIGATION AUTHORITY +1

Intelligent welding system for narrow semi-closed cabin structure on broadside of ship

The invention relates to the technical field of advanced ship manufacturing and automatic welding equipment, in particular to an intelligent welding system for a narrow semi-closed cabin structure on the broadside of a ship, which comprises a magnetic attraction track system and a movable welding robot platform, a molten pool monitoring camera, a laser locating device, a 3D structure light scanning camera and a welding gun are arranged on the movable welding robot platform, a plurality of liftable supports are arranged at the bottom of the magnetic attraction rail system, a plurality of universal wheels are arranged at the bottoms of the liftable supports, a drag chain groove is formed in one side of a rail, and a drag chain is arranged on the drag chain groove. The problems that a traditional wheel type or crawler type robot is insufficient in obstacle crossing ability, and a fixed guide rail type system is heavy in structure and difficult to install and debug in a limited space are fundamentally solved, automatic identification of welding seams is achieved, dependence on field advanced technicians is reduced, the production preparation period is shortened, the production efficiency is improved, and the production cost is reduced. And external dependence and interface fault points are reduced.
Owner:GUANGXI TECHCAL COLLEGE OF MACHINERY & ELECTRICITY

Multi-target position bending moment and shearing force adjusting method for finite element calculation of ship body cabin section

The invention discloses a multi-target position bending moment and shearing force adjusting method for finite element calculation of a ship body cabin section, which comprises the following steps of: performing finite element calculation on the ship body cabin section, selecting a plurality of target positions in a target cabin section, and respectively setting target values of vertical bending moment and shearing force corresponding to each target position; constructing a three-cabin-section model; selecting a target position; applying bending moments to the head end face and the tail end face of the three-cabin-section model respectively, so that the shearing force and the bending moments of the target position are adjusted towards the target value direction corresponding to the target position; comparing the matching degree between the adjusted bending moment distribution of the target position and a target value corresponding to the target position; checking the stress state of the component in the target position area; and for other target positions, respectively repeating the previous steps. According to the method, the accuracy and reliability of structural strength evaluation can be improved, the structural strength of the whole target cabin section is ensured to be comprehensively checked, and the actual engineering requirements are met.
Owner:SHANGHAI MERCHANT SHIP DESIGN & RES INST

Shear-resistant structure of container ship cabin

PendingCN121180354AHull decksHull double bottomsMarine engineeringDouble bottom
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.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP

Steel ship structure with modular ballast system

This utility model discloses a steel ship structure with a modular counterweight system, including a main hull, which is a composite frame structure of carbon fiber and high-strength steel. Hollow skeleton structures are provided on the bulkheads inside the main hull. A fixed plate is horizontally installed on the bottom of the hull, and a modular counterweight system is installed above the fixed plate. The modular counterweight system includes multiple independent counterweight compartments and sliding rail assemblies installed on top of the counterweight compartments. Each counterweight compartment is equipped with a U-shaped counterweight unit. The sliding rail assembly is securely connected to the fixed plate and spans across at least two sets of counterweight compartments. This utility model achieves a balance between lightweight and high strength through the high-strength steel and carbon fiber composite frame. The modular counterweight compartments integrate load-bearing functions, improving space utilization. The position of the counterweight blocks is dynamically adjusted through a threaded screw mechanism to adapt to the center of gravity balance requirements under different cargo load conditions.
Owner:JIANGSU HUAYI SHIP

A marine seat and a ship

This utility model provides a marine seat and a ship, relating to the field of storage technology. The marine seat includes a seat body, a storage compartment, a first locking member, and a second locking member. The seat body has a receiving cavity and an opening communicating with the receiving cavity. The storage compartment is used to store life-saving equipment and slides into or out of the seat body, engaging with the cavity wall. It is understood that this design integrates the life-saving equipment storage function into the seat body, achieving an efficient combination of function and space. Based on this, the first locking member and the second locking member are respectively located in the seat body and the storage compartment. Furthermore, when the storage compartment is fully slid into the receiving cavity, the first locking member can lock with the second locking member. Based on the above, this marine seat can solve the space-consuming problem of traditional storage cabinets, improve the space utilization of ships, and alleviate the inconvenience of accessing life-saving equipment in emergencies, enhancing the safety and efficiency of emergency response.
Owner:SANDIANSHUI NEW ENERGY TECH (ANHUI) CO LTD