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295 results about "Cargo vessel" patented technology

A cargo ship or freighter ship is any sort of ship or vessel that carries cargo, goods, and materials from one port to another. Thousands of cargo carriers ply the world's seas and oceans each year, handling the bulk of international trade.

Channel electronic fence calculation method and system based on unmanned aerial vehicle

The invention discloses a channel electronic fence calculation method and system based on an unmanned aerial vehicle. The method comprises the following steps: setting a channel basic fence according to geographic features of a channel; setting a lowest fence standard according to ship attributes; fusing the navigation channel basic fence and the lowest fence through a label priority mechanism to obtain a navigation electronic fence of the ship; acquiring channel monitoring data through an unmanned aerial vehicle group to obtain a real-time monitoring label; and dynamically adjusting the navigation electronic fence based on a preset rule engine and the real-time monitoring tag. According to the invention, dynamic adjustment of fence parameters is realized through linkage of the real-time monitoring label and the rule engine in cooperation with the unmanned aerial vehicle group; customizing a core protection area according to different types, loading states and maneuvering performance of cargo ships, passenger ships and the like; by constructing a multi-dimensional label system, multi-source data is converted into labels with unified semantics, and deep data fusion is achieved; and a machine learning model is introduced to dynamically calibrate the label, and a label system and a calibration rule are optimized.
Owner:YANGTZE RIVER YICHANG WATERWAY BUREAU

Port cargo shipping device

The port cargo shipping device comprises a shell, a rotating shaft is rotatably arranged on the lower end face of the shell, a fixing frame is arranged at the lower end of the rotating shaft, sliding holes are formed in the positions, located on the two sides, of the outer wall of the fixing frame, and sliding blocks are slidably arranged in the sliding holes; vertical plates are arranged on the two sides of the sliding hole and located on the outer wall of the fixing frame, lead screws are rotationally arranged in the middles of the two vertical plates and are in threaded installation with the sliding blocks, first motors are arranged at the ends, located on the outer walls of the vertical plates, of the lead screws, clamping plates are fixedly arranged on the outer walls of the sliding blocks, and the clamping plates are fixedly arranged on the outer walls of the clamping plates. A user can place the fixing frame on one side of a cargo, then controls the first motor to enable the lead screw to drive the clamping plates to move so as to clamp the two sides of the cargo, and meanwhile controls the electric push rod to enable the material receiving plate to stretch out so as to enable the material receiving plate to be located at the lower end of the cargo, at the moment, the cargo can be carried by moving the trailer, and shipping is convenient.
Owner:SHANGHAI YINGYU PORT MASCH CO LTD

AIS-based port cargo ship and port ship operation carbon emission estimation method and system

The invention relates to the field of carbon emission, in particular to an AIS-based port cargo ship and port ship operation carbon emission estimation method and system. The method comprises the following steps: acquiring AIS data, VTS range data and berth range data of port cargo ships and port ships; according to the AIS data of the port cargo ship and the port ship, track point cleaning is carried out, and a cleaned track point set is obtained; according to the cleaned track point set and the VTS range data, obtaining an accumulated voyage in each VTS range; according to the cleaned track point set and the berth range data, port ship operation track points are obtained; the total carbon emission amount of the port cargo ship is calculated according to the accumulated voyage in each VTS range; and calculating the total carbon emission of the port ship according to the port ship operation track point. According to the method, high-cost real-time direct measurement and calculation of the carbon emission are avoided, the total carbon emission amount of the port cargo ship and the total carbon emission amount of the port ship are calculated respectively, and the carbon emission of the port is estimated more comprehensively.
Owner:SOUTHERN MARINE SCI & ENG GUANGDONG LAB (ZHUHAI) +1

Flash steam pressurization gas supply and reliquefaction circulation combined system and liquid cargo ship

The invention provides a flash steam pressurization gas supply and reliquefaction circulation combined system and a liquid cargo ship. The combined system comprises a first heat exchanger, a second heat exchanger, a multi-stage compression device, a reliquefaction pipeline and a gas-liquid separation module, and flash steam is input into the first side of the first heat exchanger. The main inlet of the compression device is connected with the first side of the first heat exchanger. And a liquid return opening is formed in the pipeline before the last-stage compression in the compression device. And an outlet of the reliquefaction pipeline is connected with a second side inlet of the first heat exchanger and a first side inlet of the second heat exchanger through parallel connection of first and second pipelines. The second side of the first heat exchanger and the first side outlet of the second heat exchanger are connected with the liquid inlet of the gas-liquid separation module, the liquid outlet is connected with the liquid cargo tank, and at least part of gas discharged from the gas outlet is sent to the pipeline before the first-stage compression and after the first-stage compression of the liquid return port through the second side of the second heat exchanger. High-pressure gas supply and flash steam medium-pressure reliquefaction are achieved, energy consumption is reduced, and the reliquefaction capacity is improved.
Owner:JIANGNAN SHIPYARD (GRP) CO LTD +1

Container shipping vibration simulation method, simulation device and simulation system

The invention belongs to the technical field related to energy storage safety, and particularly relates to a simulation method, a simulation device and a simulation system for container shipping vibration. A sea wave spectrum model and a cargo ship model are obtained, and a time domain signal is obtained according to the sea wave spectrum model; defining the time domain signal as fluid excitation, and obtaining a first response signal of a preset acquisition point of the cargo ship model according to the fluid excitation; acquiring a frequency domain sequence according to the first response signal, and calculating and acquiring power spectral density according to the frequency domain sequence; obtaining a container model, and calculating and obtaining a second response signal of the container model according to the power spectral density; whether the container of the current cargo ship meets the safety requirement or not is judged according to the second response signal. Safety simulation is carried out on the energy storage container body during marine transportation, so that mechanical damage caused by design problems during marine transportation of the designed energy storage container is avoided.
Owner:HUIZHOU DESAY INTELLIGENT ENERGY STORAGE CO LTD

Intelligent trestle control system for railway and railway combined transportation dam-crossing railway

The invention relates to an intelligent trestle control system for a molten iron combined transportation dam-crossing railway, which comprises a monitoring device and a plurality of subsystems, and is characterized in that each subsystem comprises a water level measuring device for measuring the water level condition in real time; the intelligent electric hydraulic mechanism is used for automatically adjusting the height of the bridge pier according to the real-time water level condition so as to adjust the height of the trestle; the gantry crane control system is used for controlling transportation of containers between a railway train and a cargo ship and comprises the steps that after the cargo ship is parked on one side of a trestle, the containers on the cargo ship are hoisted to the train parked on the trestle, or the containers on the train parked on the trestle are hoisted to the cargo ship parked on one side of the trestle; the rapid gate opening and closing device is used for controlling the gate opening and closing state of the flood control gate groove section based on the real-time water level condition; and the monitoring device is used for being connected with the subsystems through the multi-modal data fusion processor and executing cooperative control.
Owner:中铁大桥勘测设计院集团有限公司武汉分公司

Marine target identification method based on multi-scale feature fusion of deep learning

The invention discloses a deep learning-based multi-scale feature fusion marine target identification method, which comprises the following steps of: acquiring picture and video data of various marine targets of a marine ship, and acquiring and generating a marine target detection data set, ocean targets are divided into 10 types of yachts, warships, passenger ships, cargo ships, sailboats, tugboats, kayaks, navigation marks, lighthouses, fishing boats and the like, a multi-scale feature fusion module is added in a deep learning network for the problem that the detection precision of a self-built ocean target data set is insufficient, and the detection precision is improved by fusing multi-layer features and injecting global information into a higher layer. An improved deep learning network model used for sea target identification is constructed, the method has the characteristic of having a good detection effect on small sea targets, multiple targets and overlapped targets, the model can be deployed in navigation cameras of ships after iteration training is finished, a monitoring system is established in a matched mode, and the detection accuracy is improved. And various targets on the sea can be monitored in real time.
Owner:EAST CHINA SEA NAVIGATION SUPPORT CENT OF THE MINISTRY OF TRANSPORT SHANGHAI CHART CENT +1

Method for identifying ship behaviors based on images of overwater electronic checkpoint

The invention relates to a ship behavior image recognition method based on an overwater electronic bayonet, and relates to the technical field of image recognition, and the method comprises the steps: collecting a multi-angle image of a target ship through an overwater electronic bayonet snapshot system, and constructing a three-dimensional model; matching a fixed early warning water line by using a ship type database, and correcting and outputting an adaptive early warning water line in combination with the real-time navigation interference information; analyzing the ship three-dimensional model sequence of the preset time zone to obtain a real-time water level line and a driving posture; fusing the ship navigation data and the ship driving attitude to optimize the real-time water line to obtain a corrected water line; if the corrected water level exceeds the adaptive early warning water level, overload early warning is carried out. The cargo ship overload identification method solves the problems that in a traditional system, a fixed waterline is used, environmental factor changes are not considered, misinformation is likely to happen, a traditional image method is influenced by illumination, shielding and the like, waterline identification is unstable, and false detection and missing detection are likely to happen, and the accuracy and reliability of cargo ship overload identification are improved.
Owner:JIANGSU CHANGTIAN ZHIYUAN TRAFFIC TECH CO LTD

Bulk shipping ship cargo matching method, device and equipment based on heuristic algorithm and medium

The invention relates to the technical field of waterway transportation, in particular to a bulk cargo ship cargo matching method, device, equipment and medium based on a heuristic algorithm, and the method comprises the steps: obtaining the current bulk cargo ship route loading data, and recognizing the bulk cargo return route cargo quantity according to the current bulk cargo ship route loading data; generating a market quotation index according to the bulk transportation return goods quantity, and analyzing according to the current market quotation index to obtain goods package demand data; when a goods package completion message triggered according to the goods package demand data is obtained, a preset ship constraint condition is obtained, and feasible ship information is obtained according to the ship constraint condition; calculating a ship scheduling initial scheme according to the feasible ship information, and calculating the ship scheduling initial scheme to obtain a to-be-matched ship scheme; and simulating each to-be-matched ship scheme, generating a ship scheme sequence according to a simulation result, and generating a ship scheduling scheme according to the ship scheme sequence. The method has the effect of solving the problems of low efficiency and slow decision of bulk cargo ships in the aspect of ship and cargo matching.
Owner:GUANGZHOU ZHENHUA AVIATION TECH CO LTD

Method for determining navigation width of deep groove channel in sea area shoal

The invention belongs to the field of water transportation engineering channel construction, and discloses a sea area shoal deep groove channel navigation width determination method, which comprises the following steps: counting track band width based on actual ship navigation observation data in an existing channel, as shown in the figure; a three-dimensional mathematical model is adopted, a channel three-dimensional flow field of a cargo ship under different conditions is simulated, theoretical values of air flow pressure deflection angles under all the conditions are determined, the distribution situation of ship drift multiples is analyzed through a Kolmonov-Smiunov test method, and therefore the ship drift multiples under different assurance rates are determined. According to the method, construction conditions and requirements of a planned navigation channel project are considered, the guarantee rate value of the ship drift multiple is determined, and the navigation width of the navigation channel is calculated according to the guarantee rate value. The problems that in the prior art, the ship drift multiple lacks a guarantee rate concept, and the air flow pressure deflection angle value lacks a fluid mechanics theoretical basis are solved, and coordination and unification of ship navigation safety and navigation channel project investment saving are achieved.
Owner:SHANGHAI WATERWAY ENG DESIGN & CONSULTING CO LTD

Information processing device, information processing system, information processing method, and computer program

[Problem] To provide an information processing device, an information processing system, an information processing method, and a computer program for outputting information about cargo handling on the basis of images. [Solution] An information processing device according to the present invention comprises an acquisition unit that acquires a time series of images that include the hull of a cargo ship and the surrounding environment, a detection unit that detects an object related to cargo handling from each of the images, a tracking unit that tracks the movement of the object through the images, and a determination unit that determines whether the movement of the object as based on the results of the tracking meets a prescribed operation condition for evaluating achievement of cargo handling work.
Owner:FURUNO ELECTRIC CO LTD

Energy-saving photovoltaic charging device for inland river electric extended-range cargo ship

The invention belongs to the technical field of photovoltaic charging devices, and discloses an energy-saving inland river electric range-extended cargo ship photovoltaic charging device which comprises a photovoltaic device, the front side and the rear side of the photovoltaic device are both fixedly connected with protection bins, inner cavities of the protection bins are fixedly connected with mounting cylinders, inner cavities of the mounting cylinders are fixedly connected with reset coil springs, and the reset coil springs are fixedly connected with the photovoltaic device. A reset rod is fixedly connected to the center of the reset coil spring, a storage barrel is fixedly connected to the side, close to the center of the photovoltaic device, of the protection bin, a protection curtain is fixedly connected to the surface of the reset rod, a cleaning brush is fixedly connected to the left side of the protection curtain, and a first piston barrel is fixedly connected to the top end of the protection bin. And then the dust is blown to the top end of the photovoltaic device through the air blowing pipe, and the dust swept down from the top end of the photovoltaic device is blown away, so that dust sweeping through the cleaning brush and dust blowing through the air blowing pipe are achieved, and it is ensured that use of the top end of the photovoltaic device is not affected by foreign matter such as dust.
Owner:JIANGSU YINAO INTELLIGENT TECH CO LTD

Container heightening frame and container

The utility model discloses a container heightening frame and a container, and belongs to the technical field of containers, the container heightening frame comprises a support main body, the bottom of the support main body is provided with a slide rail, two first spindle seats are both provided with first connecting rods, and two second spindle seats are both provided with second connecting rods; by means of the supporting plate and the parallel four-connecting-rod mechanism, the parallel four-connecting-rod mechanism is pushed through the hydraulic cylinder, so that the parallel four-connecting-rod mechanism pushes the supporting plate to rise, the supporting plate is lifted, the supporting plate is lifted, and the supporting plate is lifted. The support body at the bottom of the parallel four-connecting-rod mechanism can be fixed to the cargo ship deck and does not need to be detached, and the container is placed on the top of the supporting plate in the process that the container is stacked on the cargo ship deck, so that the height of the container can be increased according to requirements to protect the bottom of the container.
Owner:TAICANG PORT ZHENGHE XINGGANG CONTAINER TERMINAL CO LTD

Self-propelled model test system for multi-tug collaborative operation simulation

The invention relates to the technical field of ship manipulation and control, and discloses a self-propelled model test system for multi-tug collaborative operation simulation, and the system comprises at least one tug self-propelled model which is provided with a propulsion system and an inertial navigation integrated positioning system; the cargo ship self-propelled model is used as a guided target; and a shore-based control system. The shore-based control system exchanges data with each ship model in real time through a wireless communication network, receives ship model state information, calculates required total control force and torque based on expected movement of the cargo ship self-propelled model and a mathematical model, executes a self-adaptive collaborative thrust distribution strategy, distributes the total control requirement to each tug self-propelled model, and controls the ship model to move. And determining the target thrust magnitude and direction of each tug. According to the invention, high-precision cargo ship guidance can be realized in a simulated environment, the adaptability to the change of the simulated environment is enhanced, the potential of energy conservation and consumption reduction is explored, and an effective technical research and verification means is provided for actual complex port operation.
Owner:RIZHAO PORT GRP CO LTD +2

Cooperative scheduling method for gantry crane and storage yard of bulk cargo wharf

The invention discloses a method for co-scheduling a portal crane and a storage yard of a piece general cargo wharf, which comprises the following steps of: constructing an optimized objective function for co-scheduling the portal crane and the storage yard of the piece general cargo wharf on the basis of constraint conditions for co-scheduling the portal crane and the storage yard of the piece general cargo wharf, and solving the optimized objective function by adopting an improved NSGA-II (Non-dominated Sorting Genetic Algorithm-II) algorithm, so as to realize the cooperative scheduling of the portal crane and the storage yard of the piece general cargo wharf. And obtaining the positions of the portal crane, the trailer and the storage yard distributed to the cargo on the cargo ship so as to obtain an optimal portal crane and storage yard collaborative scheduling scheme. According to the method, decision reference can be provided for port dispatchers to design a dispatching scheme, reference is provided for dispatchers of a general cargo wharf to carry out dispatching plan arrangement, and the time for the dispatchers to design the scheme is greatly saved. The workload of wharf dispatchers can be reduced, the operation cost of the wharf is saved, and the loading and unloading efficiency of the wharf can be improved. The research of the bulk cargo wharf in the field of cooperative scheduling is enriched, and the bulk cargo wharf can maintain advantages in the market with intense competition.
Owner:DALIAN MARITIME UNIVERSITY +1

Digital loading and unloading control system for port logistics container

The invention discloses a digital loading and unloading control system for port logistics containers, and relates to the related field of transportation devices, and the system comprises the steps: reading the transportation information of a target cargo ship, predicting the arrival time, and determining a predicted arrival node. And based on the predicted arrival node, the loading layout and the cargo list, performing simulation in the port loading and unloading twin platform, and determining an unloading equipment demand set. And calling the equipment resource library to carry out idle equipment matching, and generating a first unloading equipment matching scheme. A remaining device demand set is determined, a job end node is predicted, and a plurality of predicted end node sets are determined. And outputting a second unloading equipment matching scheme by taking the condition that the predicted end node is earlier than the predicted demand node as a limit. And unloading operation is executed based on the first or second unloading equipment matching scheme. The technical problems that in the prior art, port container loading and unloading operation is difficult to adapt to dynamically-changing logistics requirements, operation efficiency is low, the equipment utilization rate is low, and port operation efficiency is difficult to improve are solved.
Owner:MEITE INFORMATION TECH (QIDONG) CO LTD

Movable unloading, stacking and ship loading all-in-one machine

The utility model belongs to the technical field of ship loaders, and discloses a movable unloading, stacking and ship loading all-in-one machine which comprises a vehicle frame, a plurality of driving wheels are fixedly installed on the left side and the right side of the vehicle frame respectively, boarding bridges are hinged to the left side and the right side of the vehicle frame respectively, and a fixing frame and a fixing gallery bridge are fixedly installed on the upper surface of the vehicle frame. The movable unloading, stacking and ship loading all-in-one machine comprises a vehicle frame, a fixed gallery bridge is arranged on the vehicle frame, a fixed frame is arranged on the vehicle frame, a hopper is fixedly installed in the fixed frame and located over the fixed gallery bridge, an adjusting gallery bridge is hinged to one side of the vehicle frame, and a conveying belt is arranged between the fixed gallery bridge and the adjusting gallery bridge. And after movement is completed, the adjusting gallery bridge is moved, the end of the adjusting gallery bridge is moved to the position over the cargo ship, finally, cargoes are conveyed to the cargo ship through the adjusting gallery bridge, after shipment is completed, the ship loader is driven away from the site and conveniently and rapidly driven away from the wharf, on one hand, the traffic pressure of the wharf is reduced, on the other hand, unloading and shipment are combined, and the shipment efficiency is improved.
Owner:GUANGXI YEJIAN ENGINEERING TECHNOLOGY CO LTD

Terminal container transport berthing system

This invention discloses a terminal container handling system, including a loading area and an unloading area. The loading area includes: a first storage yard, comprising a first loading plot, a first container stacking plot, and a first unloading plot arranged sequentially from the land to the coastline; a loading wharf, which has a loading area platform along the coastline with multiple loading area berths for loading ships to moor parallel to the coastline; loading transport vehicles; several first rail-mounted gantry cranes; and loading and unloading bridges. This invention also discloses a terminal container handling method. This invention solves the problem of high traffic pressure caused by simultaneous loading and unloading of containers, enabling the orderly coordination of ARMGs and AGVs, and the complete separation of AGVs and container trucks, avoiding traffic interference and improving the safety and efficiency of container handling.
Owner:CHINA HARBOUR ENGINEERING

Method and system for loading and / or unloading vehicle transport cargo ships

A method for loading and / or unloading vehicle transport cargo vessels is provided. The method (100) comprises providing (110) port sensor data to capture the current situation in an area of ​​the port relevant for loading and / or unloading vehicle transport cargo vessels, and providing (120) vehicle sensor data to capture the current environment of a vehicle to be loaded. The method (100) further comprises transmitting (130) vehicle sensor data and port sensor data to a teleoperation station (14) for teleoperated control of the vehicle, and teleoperated (140) control of the vehicle to be loaded at least partially based on the captured current environment of the vehicle and on the current situation in the area of ​​the port relevant for loading and / or unloading vehicle transport cargo vessels. Furthermore, a system (10) for loading and / or unloading vehicle transport cargo vessels is provided.
Owner:FCA US LLC +1

hatch cover system and cargo ship

This invention belongs to the field of marine technology and discloses a hatch cover system and a cargo ship. The hatch cover system includes a hatch cover body rotatably mounted on the deck of the cargo ship, capable of rotating relative to the deck to switch between a covered state, a side enclosure state, and a deck extension state. In the covered state, the hatch cover body covers the upper part of the deck, thus covering the hatch opening of the cargo hold located below the deck. In the side enclosure state, the hatch cover body rotates to an angle with the deck, at which point it forms a side enclosure structure on the deck. In the deck extension state, the hatch cover body rotates to the outside of the cargo ship, at which point it can carry cargo. This hatch cover system can switch between multiple forms to function as a cover, a wall, and an extended deck area, improving functional integration and space utilization.
Owner:CSSC HUANGPU WENCHONG SHIPBUILDING CO LTD

Heavy wind wave resistant structure for bulk cargo berth and use method of heavy wind wave resistant structure

The invention relates to a heavy wind wave resisting structure for bulk cargo berths and a using method thereof, and belongs to the technical field of bulk cargo berths. The heavy storm resistant structure comprises a shell, an air bag, a fixing module, a buffer module, a track module and a power module. One end of the shell is open, the air bag and the fixing module are located outside the shell, the rail module and the power module are located inside the shell, and the buffering module is located at the opening of the shell. The large-storm-resistant structure can flexibly cope with storm impacts of different degrees by adjusting the inflation degree of the air bag; sea waves can be buffered through the buffer module, the force of the sea waves is effectively relieved, and the impact force of the sea waves is reduced; the positions of the shell, the rear seat and the fixed seat can be flexibly adjusted through the power module, and the influence of the cargo ship on the heavy storm resisting structure is reduced.
Owner:CCCC THIRD HARBOR CONSULTANTS

New energy cargo ship battery rack

The utility model discloses a new energy cargo ship battery holder, including support, a plurality of tray, support includes multilayer baffle and a plurality of stand, and baffle is fixed between a plurality of stand, and the upper end surface of each layer baffle installs a tray, and the upper end surface of tray can place battery, and baffle includes rear plate, and rear plate includes rear along board, and rear along board extends towards the upper, and tray includes board body, flap, and board body is equipped with baffle, and baffle is buckled between rear along board, and flap is located board body far from baffle one side, and flap is rotatably connected with board body, and flap rotation can with baffle pinch battery, and the utility model discloses the front end flap of tray and rear end baffle to the front -back direction fixation of battery, and through two support plate, the left and right sides of battery are supported, and through the compression strip of top downward tension, the up -down direction of battery is fixed, prevents battery loose.
Owner:嘉兴市浙北造船有限公司

Anti-instability hatch structure of cargo ship and using method of anti-instability hatch structure

The invention relates to a cargo ship anti-instability hatch structure and a using method thereof.The cargo ship anti-instability hatch structure comprises a deck and a cover plate, a circular hatch is formed in the deck, the cover plate is in an inverted cone frustum shape, and a coaming matched with the side face of the cover plate in shape is arranged on the inner edge of the deck hatch; a supporting plate extending towards the center of the hatch is fixedly arranged at the bottom of the coaming, the diameter of the hatch is larger than that of the upper surface of the cover plate, when the cover plate covers the hatch, the hatch is attached to the cover plate along the transverse side of the cargo ship, and the cover plate, the anti-instability supporting part and the supporting plate on the side are locked through a locking mechanism. A gap is reserved between the other side of the hatch in the transverse direction of the cargo ship and the cover plate. The diameter of the cover plate is set to be smaller than that of the hatch, the gap is reserved between the side, in the transverse direction of the cargo ship, of the hatch and the cover plate during covering, space is reserved for deck deformation, the cover plate can still cover the hatch when the deck deforms, and the hatch structure is effectively prevented from being unstable under the action of external force.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719

Underwater nondestructive testing system

The invention relates to an underwater nondestructive testing system. The system comprises an overwater control subsystem and a ship testing subsystem, the overwater control subsystem is used for determining and sending a detection control instruction corresponding to a to-be-detected object to the ship detection subsystem according to the to-be-detected object in the to-be-detected ship; the ship detection subsystem is used for carrying out cosmic ray muon transmission detection on the to-be-detected object according to the detection control instruction and determining a detection result of the to-be-detected object, and the detection result comprises structure measurement information and material measurement information of the to-be-detected object. According to the underwater nondestructive testing system provided by the invention, underwater nondestructive testing on the cargo ship can be realized by utilizing cosmic ray muon transmission imaging, the structure and the material of any to-be-tested object in the cargo ship are analyzed, the to-be-tested object does not need to be loaded and unloaded repeatedly, and the underwater nondestructive testing system has relatively high detection accuracy and detection efficiency; the method can be well suitable for application scenes such as short-time berthing of cargo ships or non-berthing on the water surface.
Owner:TSINGHUA UNIVERSITY

Central air conditioning system for liquid cargo ship

ActiveCN116812134BFresh airCargo vessel
The present application relates to a kind of central air conditioning system for liquid cargo ship, and it is related to the field of shipbuilding, it includes personnel living cabin, comprising: central air conditioner, can handle mixed outdoor fresh air and indoor return air and send to personnel living cabin;Second fresh air port, it is arranged at the position away from dangerous gas source, it is connected with central air conditioner by second fresh air pipe;Balanced fan, it is arranged on second fresh air pipe between second fresh air port and central air conditioner, only in the working condition of dangerous gas generation, open operation can overcome the resistance of fresh air pipe due to second fresh air pipe arrangement at the remote location, and maintain the positive pressure of cabin relative to cabin outside;Return air fan, return air fan provides power for return air flow.In the working condition of loading and unloading liquid cargo, the central air conditioning system of the present application can still provide normal service, and the possibility of dangerous gas into cabin is reduced to a minimum.
Owner:RES INST 708 OF CHINA STATE SHIPBUILDING CORP +1

A method for determining the navigation width of a deep trench channel in a shallow sea area

The present invention belongs to the field of water transport engineering channel construction, and discloses a method for determining the navigation width of a deep trench channel in a shallow sea area. Based on the actual ship navigation observation data of ships in an existing channel, the width of the track band is statistically calculated, as shown in the attached figure; a three-dimensional mathematical model is used to simulate the three-dimensional flow field of the channel of a cargo ship under different conditions, and the theoretical value of the wind flow pressure deflection angle under each condition is determined, and the distribution of the ship drift multiple is analyzed by using the Kolmonov-Smirnov test method, so as to determine the ship drift multiple under different guarantee rates. The method also takes into account the construction conditions and requirements of the proposed channel project, determines the guarantee rate value of the ship drift multiple, and calculates the navigation width of the channel accordingly. The present invention overcomes the problem that the ship drift multiple lacks the concept of guarantee rate and the wind flow pressure deflection angle value lacks the theoretical basis of fluid mechanics in the prior art, and realizes the coordination and unification of ship navigation safety and saving investment in channel engineering.
Owner:SHANGHAI WATERWAY ENG DESIGN & CONSULTING CO LTD

Independent high-level sensor connecting rod for liquid cargo ships

The present invention discloses an independent high-level sensor connecting rod for a liquid cargo ship, comprising: a high-level sensor mounting plate, a connecting rod, a high-level sensor, and a pressing rod. A high-level sensor mounting plate is provided at the lower half of one side of the connecting rod. A high-level sensor is provided on one side of the high-level sensor mounting plate. A high-level sensor mounting plate is provided at the upper half of one side of the connecting rod. In the present invention, by rotating the high-level sensor mounting plate clockwise, the height of the high-level sensor will decrease, and by rotating the high-level sensor mounting plate counterclockwise, the high-level sensor will rise accordingly. Through the elastic pressing of the pressing rod and the auxiliary pressing of the positioning elastic piece, combined with the damping rotating shaft design of the high-level sensor mounting plate and the high-level sensor mounting plate itself, the position of the sensor is not easily changed, preventing the sensor from being impacted during the transportation of liquid materials and causing a change in the position of the sensor, ensuring the stability of the liquid level alarm system.
Owner:CHENGXI SHIPYARD

Hydraulic dredging construction method for hard clay in offshore wind turbine jacket foundation piles

The present invention relates to the field of wind power installation technology, and in particular to a construction method for hydraulic dredging of hard clay in offshore wind power conductor frame foundation piles, including construction preparation, ship positioning, ship adjustment, mud pumping in piles, mud surface elevation acceptance, and ship relocation and repositioning; the offshore wind power mud surface elevation control method of the present invention greatly reduces the use time of divers and achieves continuous operation throughout the day compared to the traditional method of divers using mud pumping pipes to pump mud by hand. For some situations where there is a lot of silt and the mud pumping depth is thick, the use of this mud pumping method can greatly promote construction efficiency. Using a cargo ship equipped with a crawler crane can reduce ship and machinery rental fees compared to traditional crane ships. After the mud pumping is completed, the divers conduct a high point inspection and guide the divers to pump mud at the high points to ensure that the mud surface height in the engineering piles is uniform.
Owner:POLY CHANGDA ENGINEERING CO LTD

Telescopic boom structure of belt type boom crane

The utility model relates to the technical field of arm support structures, in particular to a telescopic arm support structure of a belt type arm support machine, which comprises a first arm support and a second arm support, arm beams are respectively arranged on the first arm support and the second arm support, a clamping groove is arranged at the bottom of the second arm support, and a guide rail movably clamped in the clamping groove is arranged at the bottom of the first arm support. A plurality of first belt transmission rollers are rotationally mounted on the first arm frame and the second arm frame respectively, a bottom frame is arranged at the bottom of the first arm frame, a second belt transmission roller is rotationally mounted on the bottom frame, and belts for conveying goods are in transmission connection with the first belt transmission rollers and the second belt transmission roller; a sliding block is arranged at the bottom of the clamping groove; a moving driving mechanism for driving the sliding block to horizontally move is arranged at the bottom of the first arm frame; after the height of the second arm frame is adjusted, the position of a horizontal falling point of goods can be adjusted by moving and stretching out and drawing back of the second arm frame, and therefore the goods conveying device is suitable for conveying goods on cargo ships with different heights.
Owner:JIANGSU DINSON HEAVY IND