162 results about "Ship load" patented technology

A tallying data processing method and system for an intelligent port, a medium and a product relate to the field of electric digital data processing, and the method comprises the following steps: obtaining a ship loading and unloading plan, tallying operation records and cost accounting data according to a preset period, and generating standard tallying data; extracting feature data in a pre-time window from the standard tallying data; inputting the feature data into a prediction calculation model, and generating a plurality of groups of loading and unloading plan change prediction scenes according to a historical operation mode; performing parallel calculation on the multiple groups of prediction scenes to obtain scene prediction data; comparing the real-time tallying data acquired at the port site with the scene prediction data, and calculating to obtain a data goodness of fit; selecting the most matched prediction scene as a current execution scene based on the data goodness of fit, and storing other prediction scenes into a standby scene library; and generating a tallying operation instruction and expense settlement data according to the current execution scene. By implementing the application, the efficiency of port multi-link data processing can be improved.

The invention relates to the technical field of port automatic loading and unloading, in particular to a ship loading and cabin changing track planning method and system based on machine vision, and the method comprises the following steps: constructing a multi-modal information sensing array based on machine vision, obtaining the space information of a cabin, the stacking information of cargoes and the state information of loading equipment, a multi-modal information sensing data set is constructed; constructing a space-time correlation characteristic matrix of the cabin, the goods and the loading equipment; a multi-layer network architecture is used for preliminarily planning the ship loading and cabin changing track to obtain an initial ship loading and cabin changing track; constructing a dynamic digital fitting model, and fitting the initial ship-loading and cabin-changing track to obtain an optimized ship-loading and cabin-changing track; and establishing a real-time environment quantification model to perform real-time dynamic adjustment on the optimized ship-loading and cabin-changing track, and completing planning of the ship-loading and cabin-changing track. The system flexibly adapts to complex loading task requirements, and the intelligent level and execution efficiency of ship loading and cabin changing are remarkably improved.

The invention provides a ship shaft power generation and lithium battery coordinated multi-working-condition energy optimization management system, which is applied to the technical field of ship power systems and energy management and comprises a data acquisition module, an energy optimization processing module and a power regulation and control module, wherein the energy optimization processing module is provided with a prediction unit, a working condition identification unit, a loss evaluation unit and a decision-making unit, the prediction unit is used for predicting a ship load demand in a preset period, the working condition identification unit is used for identifying a ship operation working condition, and the loss evaluation unit is used for determining a life loss factor by combining a prediction result and an energy storage unit state; the decision-making unit generates a regulation and control instruction based on the life loss factor and the state of the power generation unit to realize power distribution of the power generation unit and the energy storage unit; according to the system, multi-working-condition energy consumption requirements of the ship are met, meanwhile, comprehensive optimization of fuel consumption cost and energy storage unit service life loss cost is achieved, the energy utilization rate is increased, the service life of the energy storage unit is prolonged, and the full-life-cycle operation cost of the ship is reduced.

The invention discloses a ship loading and unloading hose curvature intelligent monitoring system, which relates to the field of intelligent monitoring and comprises a panoramic view acquisition module, a panoramic image fusion module, a simulation driving analysis module, a multi-state parallel architecture module and a hose early warning analysis module. The panoramic view acquisition module is used for acquiring visual acquisition information; the panoramic image fusion module is used for performing multi-dimensional non-overlapping splicing fusion processing on the visual collection information to obtain three-dimensional hose visual information; the simulation driving analysis module performs simulation driving processing on the ship loading and unloading process according to the three-dimensional hose visual information to obtain a corresponding fault parameter data set; the multi-state parallel architecture module is used for setting a corresponding target node for the three-dimensional hose visual information and carrying out space-time fusion processing on state data in the target node to obtain corresponding state information; the hose early warning analysis module is used for performing verification early warning analysis on the state information corresponding to each target node; therefore, the monitoring accuracy in the use process of the hose is improved.

The invention belongs to the technical field of block chains and internet-of-ship social systems, and discloses a block chain-based shipborne and shore-based instant messaging and internet-of-ship social system, comprising: configuring a shipborne terminal and a shore-based station for point-to-point and group instant messaging; a ship entity and a maritime entity in communication have event announcement and event evaluation rights, and jointly maintain an entity reputation block chain and a communication content abstract block chain; the shore-based communication support server provides services for real-time communication between ships, point-to-point communication between ships and shores and real-time communication in a group; the super nodes in the block chain are operated by an authority or a large ship enterprise, so that stable operation of the block chain system is ensured; the maritime affair trust center manages the maritime affair digital certificate; the point platform issues and manages exclusive points for a specific application, and the exclusive points have the function of digital assets in the specific application. The invention aims to realize the credible instant messaging between the ship and the ship and between the ship and the shore, and ensure the authentication, the identifiability and the traceability of the information.

The invention relates to the field of navigation technology and ship engineering, and discloses an automatic measuring and monitoring system for ship loading, which comprises a monitoring network construction module used for configuring a multi-mode sensor array of a ship and constructing a distributed intelligent monitoring network of the ship; the loading state data fusion module is used for collecting the multi-dimensional loading state data of the ship and then carrying out data fusion to generate fused loading state data; the loading state analysis module is used for mapping the fused loading state data to a parameterized three-dimensional model so as to calculate the stability parameter, the shearing force bending moment distribution and the cabin breaking stability margin of the ship under the current loading working condition, and the loading state of the ship is determined; the risk early warning module is used for analyzing the loading state change of the ship in the subsequent loading process so as to determine a risk early warning mechanism and a loading parameter optimization scheme of the ship; and the intelligent monitoring execution module is used for executing automatic measurement and monitoring of loading of the ship. According to the invention, the real-time performance and accuracy of ship loading monitoring can be improved.

The invention provides a method for predicting a cabin material pile in a ship loading process of a ship loader based on a diffusion network, and relates to the technical field of bulk cargo loading and unloading automation. Three-dimensional point cloud data in a cabin in the ship loading process is acquired, the aligned three-dimensional point cloud data is projected to a two-dimensional plane parallel to the bottom of the cabin, and a material pile depth map is generated; constructing a training sample pair based on the historical ship loading operation data, and training a conditional diffusion network model to obtain a target conditional diffusion network model; inputting the material pile depth map of the first time period and planned blanking point information corresponding to the second time period into a target condition diffusion network model to obtain a material pile depth map corresponding to the second time period; and taking the material pile depth map corresponding to the second time period as an initial depth map for prediction in the next time period to carry out iterative prediction, and outputting a material pile depth prediction set after the material pile depth map prediction in all time periods in the ship loading process is completed. According to the invention, the fidelity and authenticity of the predicted material form can be improved.

The invention discloses an automatic shipping operation scheduling method for a container wharf, and the method is realized through the following steps: determining a current workable candidate container list based on a preset on-board position dependence relation and a storage yard real-time state through feasibility screening; performing execution cost evaluation and opportunity utility evaluation on the candidate jobs respectively, quantifying the costs of equipment movement, overturning and ramming operation and the like by the execution cost evaluation, and actively and quantitatively unlocking the key jobs by the opportunity utility evaluation, thereby forming earnings brought by double-box collaboration or matching of wharf resources; and calculating a final decision score through a weighting algorithm fusing utility and cost, and selecting an optimal job generation instruction according to the final decision score. According to the method, a complex scheduling problem is decomposed into a plurality of evaluation levels, refined and intelligent management of ship loading operation decisions is realized, and the overall efficiency, balance and economical efficiency of automatic wharf ship loading operation can be effectively improved.

The invention relates to a control method and system for wind pile abutting operation of a wind power operation and maintenance ship, and belongs to the technical field of wind power operation and maintenance ships. According to the method, a mapping relation database containing data such as a wave environment, a ship loading state and main engine thrust is constructed through a high-precision CFD numerical simulation method; a wave measuring floating ball is arranged near the wind pile, and wave parameters are measured in real time; querying a predicted motion response from a database based on the current state; collecting actual motion data to correct the database; and calculating the motion state of the ship during abutting, considering the elastic coefficient and the friction coefficient of the rubber pad, dynamically adjusting the course, the host power and the loading state according to the corrected prediction result, and controlling the motion response within a preset range. According to the method, economy and comfort can be considered, and the motion response of the wind power operation and maintenance ship abutting against the wind pile is effectively controlled.

The invention provides a navigational speed optimization method and device and electronic equipment, and relates to the technical field of navigational speed optimization, and the method specifically comprises the steps: collecting historical and current ship route data, environment parameters and ship load parameters; generating an oil consumption rate and an effective wind speed, and calculating an effective navigational speed and a load rate of the ship; according to the actual ship speed, the corresponding actual oil consumption rate of the ship and the actual distance of the sailed route, a comprehensive function about the oil consumption and the actual ship speed of the ship is constructed, according to the relation between the oil consumption and the actual ship speed, a comprehensive target function about the actual ship speed is generated, and the maximum actual ship speed serves as an optimization target. And optimizing the comprehensive objective function of the actual navigational speed of the ship to obtain an optimal solution of the navigational speed of the ship. According to the method, the collected parameters are combined, the influence of the parameters on the navigational speed is comprehensively reflected, the optimization precision of the constructed comprehensive objective function of the actual navigational speed of the ship is remarkably improved, and the method is suitable for different navigational conditions.

The invention provides a ship composite energy storage system power fluctuation stabilizing control method and device and electronic equipment, and relates to the technical field of ship control. Judging a ship load condition based on the ship propulsion power; and performing power fluctuation stabilizing control on the ship load condition through a multi-port bidirectional DC / DC converter of the ship composite energy storage system. The stability of a ship power system is improved, the service life of an energy storage element is prolonged through fine charge state management, and it is ensured that the ship can operate efficiently and stably under various load conditions.

The invention discloses an LNG ship material loading and unloading balance dynamic monitoring cloud platform and method, and relates to the technical field of material monitoring. A monitoring end dynamically corrects a target flow curve according to actual operation conditions and influence factors, a sensing end collects real-time sensor data of an operation site, and based on an obstacle recognition and state change mechanism, operation abnormity is automatically sensed; and a control end continuously monitors the state change of a target flow curve and the collected parameters, automatically adjusts a material balance judgment window, calculates material balance according to an adjusted parameter system, and automatically starts a linkage mechanism if the material balance deviation exceeds a deviation threshold value. The monitoring platform realizes layered acquisition and multi-source fusion processing of information by performing function decoupling and logic linkage, forms dynamic closed-loop control on the whole operation process, realizes whole-process series analysis of multi-point data, and improves the control force on the whole material motion trail.

The invention discloses an efficient binding method of a standard container for ship transportation, which comprises a ship body provided with a plurality of mooring holes and binding parts, and comprises the following steps: arranging a matrix according to the mooring holes on the ship body, the layer height of a loading cabin and the permissible range of the mooring force of a mooring rigging; the single-layer number, the arrangement mode and the stacking layer number of the container units are determined; stacking a plurality of standard containers in a longitudinal and transverse array manner according to the determined number and layer number, and fixing to form a container unit; and the four corners of the standard container on the upper layer of the container unit are bound in a matched mode through mooring holes and binding pieces in the ship body. A plurality of 1t standard containers can be bound at a time, and the ship loading space is fully utilized; the heap cone for positioning and supporting the bottom layer container is not welded with the hull deck, and the hull deck does not need to be holed, thereby facilitating the integrity of the hull structure; and the standard container or the container unit is bound and tied by using the original mooring rigging and the mooring hole of the ship, so that the refitting cost is reduced.

The invention discloses a control method and system based on self-adaption MPC large structure dynamic sliding shipment, the system comprises a sensor module, a computer system and a central controller, a pressure sensor is arranged between the upper end of a hydraulic sliding shoe and a base plate of an offshore oil and gas platform module and used for collecting the pressure value of a structure supporting point; the total station is arranged around a ship deck and used for monitoring the height change of each sliding shoe relative to a wharf; the liquid level sensors are arranged at four corners of the hull and used for collecting draft data of the four corners of the hull. The inclinometers are mounted on a bow and two sides of the barge and are used for collecting six-degree-of-freedom inclination angles of the barge; the computer system carries out calculation through a self-adaptive MPC control algorithm to obtain an optimal control strategy; and the central controller dynamically adjusts the ballast water distribution and the hydraulic sliding shoe height of the ship based on the optimal control strategy. Therefore, the ship loading safety, continuity and efficiency can be remarkably improved, the ship loading time is shortened, and the damage risk of the structure is reduced.

The invention discloses a ship water gauge scale line fitting algorithm, and relates to the technical field of ship water gauge scale calculation, and the method comprises the steps: obtaining a ship water gauge region image through an image collection device to extract a measurement point coordinate, and building a mapping relation between a pixel position and a physical draft; a weighted least square method is adopted to perform nonlinear curve fitting, a weight coefficient is calculated based on a local neighborhood standard deviation, a polynomial order p is dynamically adjusted according to an adjusted decision coefficient, and the decision coefficient is iteratively optimized to improve the balance between amplitude and model complexity. And the system repeatedly corrects model parameters through a dynamic verification mechanism of the residual sum of squares and a preset threshold value, and finally an accurate water gauge scale fitting curve is generated. The method effectively solves the problems that traditional manual observation is prone to environmental interference and large in measurement error, high robustness is kept in a complex water area environment, and reliable data support can be provided for the fields of ship load evaluation, channel safety management and the like.

According to the SARIMA prediction-based inland river navigation draught optimization management and control method for the ship with the overrun draught, a multi-source time sequence data set is obtained and preprocessed to obtain an input time sequence set, and the input time sequence set is processed through a constructed SARIMA model to obtain a water level prediction sequence; a ship dynamic draught prediction sequence is obtained through the constructed ship dynamic draught model based on water level prediction sequence processing, a draught safety margin judgment operator is constructed to carry out draught safety margin evaluation and risk grading, and finally a draught optimization management strategy is solved through the draught optimization management model and issued. A ship draught control closed-loop chain of prediction-calculation-evaluation-optimization-feedback is formed, through deep coupling of SARIMA time sequence prediction, ship dynamic draught calculation and draught optimization management, prospective recognition and dynamic regulation and control of draught safety margin of a draught overrun ship are achieved, and under the premise of guaranteeing navigation safety, the ship draught safety margin is effectively controlled. And the water depth utilization efficiency of the inland waterway and the ship loading efficiency are greatly improved.

The invention discloses a ship loading and unloading monitoring method and system based on point cloud data analysis, and relates to the technical field of point cloud data analysis, and the method comprises the steps: carrying out the point cloud data collection for ship loading and unloading, carrying out the normalization operation of a whole point cloud, constructing a point cloud deep learning model, screening a hatch point cloud subset, and calculating the number of neighborhood points of the point cloud, and density constraint is carried out on the point cloud, an outer envelope boundary rectangle based on the point cloud is used as spatial distribution region limitation, and region division is carried out based on point cloud coordinates according to the spatial distribution of the cabin. According to the method, through combination of a density constraint screening method after normalization, effective points which are relatively uniformly distributed are reserved while low-density noise points in point clouds are removed, isolated points and sparse region points which deviate from a physical structure of a hatch are eliminated through density constraint, and through a closed-loop adjustment mechanism of orthogonal verification after normal vector normalization, a high-density noise point in the point clouds is eliminated. And a pseudo-orthogonal phenomenon caused by a calculation error or an environmental influence is avoided.

The invention discloses a ship intelligent cargo loading and unloading optimization method and system, and relates to the technical field of cargo loading and unloading optimization, and the method comprises the steps: processing real-time video data through a deep learning model, generating a cargo feature data set, and combining ship loading drawing information to construct a cargo optimization model; solving the cargo optimization model by utilizing an improved ant colony algorithm, generating a cargo loading and unloading operation instruction sequence, transmitting the cargo loading and unloading operation instruction sequence to automatic loading and unloading equipment of a wharf, executing loading and unloading operation, and simultaneously collecting operation state data frames in a loading and unloading process in real time; and analyzing the deviation between the operation state data frame and the optimal loading and unloading path planning, and when the deviation exceeds a preset threshold value, solving the cargo optimization model again, and generating an updated cargo loading and unloading operation instruction sequence. According to the method, cargo features are accurately identified through a deep learning model to form a data set, a multi-constraint optimization model is constructed in combination with a ship loading drawing, an optimal loading and unloading instruction sequence is generated by using an improved ant colony algorithm, and intelligent planning of loading and unloading operation is realized.

The invention relates to a ship loader operation control optimization method, device and equipment and a medium, and relates to the field of ship loading control, and the method comprises the steps: determining a cabin three-dimensional center coordinate corresponding to a target cabin according to laser radar point cloud data corresponding to the target cabin; when it is detected that the front-back inclination angle or the left-right inclination angle is larger than a preset angle threshold value or the vertical distance is smaller than a preset safety distance, a preset blanking point correction model is adopted to update the first blanking datum point according to the front-back inclination angle, the left-right inclination angle and the static offset correction amount of the first blanking datum point so as to determine a second blanking datum point; a cart walking mechanism in the ship loader is driven to horizontally move along the wharf ground and / or the rotation angle of a cantilever in the ship loader is adjusted till a chute tube in the ship loader is aligned with the second blanking datum point, and the target bulk cargo continues to be loaded to the target ship; and the steps are repeated until loading of the target ship is completed. According to the ship loading device, stable and efficient ship loading operation can be kept under the complex operation working conditions.

The invention discloses a port shipment mixing plan and storage yard operation line control method, and belongs to the technical field of port operation plan and equipment cooperative control. The method comprises the following steps: firstly, collecting port storage yard layout, shipping operation task information in a planning period and storage yard equipment parameter information, providing complete basic data for constructing a coupling space-time network model, and realizing high-precision collaborative scheduling of storage yard equipment; and secondly, constructing a coupling space-time network model considering the shipping operation tasks and the mixing constraint, and uniformly associating the spatial position, the operation time sequence, the mixing constraint and the equipment usability of each shipping operation task in the storage yard, so as to realize collaborative optimization of operation, mixing and conveying. And finally, carrying out unified optimization solution on the operation time sequence of the ship loading operation task and the operation scheduling of the reclaimer in the planned period, and converting a solution result into an execution instruction of the storage yard equipment to realize high-precision collaboration of the storage yard equipment. According to the invention, the operation efficiency of the port storage yard system can be improved on the premise of ensuring the mixing quality and the ship loading operation continuity.

The invention relates to a method, device and equipment for dividing warning areas during ship filling and a storage medium, and belongs to the technical field of traffic ships, the method comprises the steps that a ship simulation model during ship filling is established based on ANSYS Fluent, and ship filling comprises filling from a filling ship to a filled ship; carrying out limit analysis on the ship load working condition based on the ship simulation model to obtain the combustible gas distribution condition of the filling ship and the filled ship under the limit condition; and based on the combustible gas distribution condition of the filling ship and the filled ship under the limit condition, dividing a warning area during ship filling. And safe operation of the ship in the aspects of arrangement scheme, operation process, safety protection, safeguard measures and the like is ensured.

The invention discloses a safe dynamic positioning control method for a load switching unmanned ship based on spoofing attack detection, and the method comprises the steps: constructing a switching rule based on an A2C algorithm according to an unmanned ship load switching model, so as to select an optimal action corresponding to the load mode switching of the unmanned ship; on the basis of an unmanned ship load mode corresponding to the optimal action, according to a constructed first event triggering mechanism, in combination with a constructed state observer and an A2C algorithm mode estimation / detection mechanism, whether a data signal is tampered by a spoofing attack or not is determined, and then the observation state of the unmanned ship is output; acquiring a control signal of the unmanned ship according to the observation state based on the constructed safety controller; and based on the constructed second event triggering mechanism, the control signal is transmitted to the actuator through a preset communication network, so that the safe dynamic positioning control of the load switching unmanned ship based on spoofing attack detection is realized. According to the method, the problem that the existing method cannot effectively realize load switching of the unmanned ship and cannot realize safe dynamic positioning control under the condition of considering spoofing attacks is solved.

The invention provides a composite feedforward cooperative control method and system for propulsion of a controllable-pitch propeller of a ship. The method comprises the following steps: establishing a propulsion composite model comprising a ship load inquiry function model and a controllable-pitch propeller propulsion cooperative control model; identifying ship resistance characteristics in real time through a load inquiry model, predicting main engine power and propeller rotating speed requirements at different navigational speeds, and calculating a main engine power margin; setting a host security threshold based on the maximum persistent power margin; within the allowable range of the safety threshold value, three cooperative control modes are selected and executed in a self-adaptive mode according to the navigation working condition, wherein the three cooperative control modes include the pitch-accelerator joint control mode under the constant rotating speed of a main engine, the main engine rotating speed-accelerator joint control mode under the fixed pitch of a controllable-pitch propeller and the controllable-pitch propeller rotating speed-pitch joint control mode under the constant power of the main engine. According to the invention, through feedforward prediction and multivariable cooperation, navigational speed closed-loop stable control is realized, the problems of host overload, black smoke emission, high exhaust temperature and large control fluctuation are fundamentally avoided, and fuel economy and all-condition navigation safety are improved.

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.

The invention discloses a bolted solid waste treatment facility modular construction method and an evaluation system thereof, and relates to the field of integrated module construction.The method comprises the steps that S1, data are collected, whether modular construction conditions are met or not is judged, S2, a solid waste treatment facility is decomposed into sub-modules and a structural framework which are independent in function and can be integrated, S3, the structural framework is constructed, and S4, the sub-modules and the structural framework are constructed. The construction of the structural frame comprises the following steps of S3.1, building of a main body structure, S3.2, building of a building cushion pier, S3.3, building of a weighing device, S3.4, building of a transportation device and S3.5, a shipment fixing structure which is used for supporting and fixing the shipped main body structure. According to the modular construction method of the bolted solid waste treatment facility, the boiler, hundreds of accessory equipment and the boiler pipeline are integrated on one module, the whole module is transported to an artificial island to be installed, the installation mode of a traditional large boiler is broken through, and the project development cost and period are greatly reduced through the remote integration mode.

The utility model relates to the technical field of air pressure reducing valves, in particular to a ship load discharging air pressure reducing valve which comprises a shell, a valve seat is fixedly connected to the inner bottom wall of the shell, a first valve is connected into the valve seat in a sliding mode, and a first limiting plate is connected into the first valve in a sliding mode. The device comprises a shell, a valve seat is fixedly connected to the inner bottom wall of the shell, a first valve is slidably connected to the interior of the valve seat, a first limiting plate is slidably connected to the interior of the first valve, a connecting rod is fixedly connected to the upper surface of the first valve, and a second limiting plate is connected to the outer surface of the connecting rod in a sleeved mode. The outer surface, away from the second limiting plate, of the connecting rod is sleeved with a third limiting plate, a second valve is slidably connected into the second limiting plate, a third valve is slidably connected into the third limiting plate, a threaded rod is fixedly connected to the outer surface of the top of the connecting rod, and the outer surface of the threaded rod is in threaded connection with a shell. The top end of the threaded rod is fixedly connected with a handle.

The invention provides a hybrid modeling and simulation method for a multi-physical-property mechanism model and a state process model, and relates to the technical field of ship load equipment digital modeling. The hybrid modeling and simulation method for the multi-physical-property mechanism model and the state process model comprises the following steps: step 1, carrying out model decomposition based on the physical principle of load equipment; step 2, modeling a multi-physical property mechanism model of the load equipment; step 3, system operation process carding and model construction; 4, integrating the mechanism model and the process model; and step 5, protocol-based communication interface intercommunication and joint simulation. According to the method, the operation principle of the load equipment is expressed through the mechanism model, performance calculation of the load equipment is carried out, and the operation process of the load equipment in the system is rapidly expressed through the state process model, so that the load model is rapidly connected into the system in series, and verification of the whole process of the system is supported.

The invention provides a fire bearing coupling test device for a ship bearing composite material, the fire bearing coupling test device comprises a combustion furnace, the combustion furnace comprises a furnace body, a first sample frame, a first closed frame, a second sample frame, a second closed frame and a loading assembly, the first sample frame and the first closed frame are perpendicular to each other, the second sample frame and the second closed frame are perpendicular to each other, and the loading assembly is arranged in the furnace body. The loading assembly is arranged above the test piece; when the test piece is subjected to a horizontal fire resistance test, a first sample frame and a first closed frame are adopted, the first sample frame and the first closed frame are respectively positioned at the upper end and the side end of the furnace body, and the test piece is arranged in the first sample frame; when the test piece is subjected to a vertical fire resistance test, a second sample frame and a second closed frame are adopted, the second sample frame and the second closed frame are respectively positioned at the side end and the upper end of the furnace body, and the test piece is arranged in the second sample frame. The device can realize fire resistance tests of horizontal test pieces and vertical test pieces, and is high in utilization rate and low in cost.

The invention provides a multi-degree-of-freedom mounting and adjusting tool for a large air duct. The multi-degree-of-freedom mounting and adjusting tool comprises a main body frame 1, a front movable frame 2, a rear movable frame 3, a wheel transmission device 4, an adjustable limiting rod 5, a keel pier 6, a pin shaft 7 and a transverse movement transmission device 8. The main body frame 1 is in sliding connection with a T-shaped sliding rail S1 arranged at the bottom through a wheel transmission device 4, and transverse displacement adjustment of the front movable frame 2 and the rear movable frame 3 is achieved through a transverse movement transmission device 8. The adjustable limiting rod 5 is connected with the rear movable frame 3 and the keel pier 6 through a thread structure to form a pitching angle adjusting mechanism. According to the technical scheme, the guide pipe can be adjusted in the up-down direction, the left-right direction, the front-back direction, the pitching direction and the like, installation centering of the large air guide pipe is achieved, and ship loading work is completed.

The present invention provides a water resistance structure and test method for a ship load test. The bottom of the lower frame is provided with a bottom plate; the top support of the bottom plate is fixed with a salt water tank for holding test salt water, and the top of the lower frame is provided with a gantry; the top of the gantry is fixed with a top plate, and the top middle part of the top plate is fixed with a lifting and reducing motor, the output shaft of the lifting and reducing motor is fixedly connected to a screw, and the screw is threadedly coupled with a transmission nut assembly through a threaded transmission structure; the transmission nut assembly is fixedly mounted on a plate hanging arm, and a plate is fixedly mounted on the plate hanging arm. This water resistance structure adopts an automatic lifting device to achieve the lifting and lowering of the plate, thereby conveniently sinking the plate into the water tank and conveniently controlling its immersion depth to meet the test requirements under different load conditions; in addition, it adopts an automatic lifting device to replace the traditional manual operation method, greatly enhancing the safety of its test.