176 results about "Engine room" patented technology

A dozer including a cabin, the dozer includes: an engine room located in front of the cabin, where an engine is disposed; an exhaust gas after-treatment device for purifying exhaust gases emitted from the engine; a first cooling device located in front of the cabin and capable of cooling the exhaust gas after-treatment device; and a second cooling device spaced apart from the first cooling device, with the cabin midway therebetween, and capable of cooling the engine.

The invention relates to the technical field of intelligent ship control, and particularly discloses an area control integration method and system based on an intelligent ship engine room, original operation data and multi-source communication data of equipment in each area of the engine room are collected, a unified real-time state vector is generated through protocol analysis and standardization processing, and a plurality of redundant processing nodes are processed in a unified mode. Synchronizing and verifying state data through a high-speed channel, constructing a global consistent state synchronization set, disassembling composite logic into atomic operation units with state constraints according to an upper-layer instruction and the synchronization set, packaging the atomic operation units into a private instruction sequence bound with the state, executing the instruction sequence by a main node, and executing the state synchronization set by a slave node; seamless switching to a standby node is realized through independent hardware monitoring when a fault occurs, and the standby node continuously executes based on the continuity of a state synchronization set, so that high-reliability uninterrupted operation of area control is realized; according to the method, the problems of instruction semantic distortion and single-point fault risk in heterogeneous equipment integration are solved, and the control accuracy and the intelligent level are improved.

The invention relates to the technical field of fire early warning, and discloses a marine engine room fire multi-sensor fusion automatic early warning system, which comprises a data analysis unit, a baseline adjustment unit, a data correction unit, an anomaly analysis unit, a cooperative calculation unit and a fire early warning unit, and is characterized in that the thermal state of an engine room is accurately reflected through a global working condition coefficient generated by the data analysis unit; a dynamic sensing datum line generated by the baseline adjustment unit can adapt to working condition changes in real time, the data correction unit eliminates interference and generates refining abnormal signals, the abnormity analysis unit generates a single-dimensional burst strength index through abnormal energy flux and other parameters to achieve accurate scoring, and the cooperative calculation unit and the fire early warning unit are matched with each other. According to the method, the fire early warning instruction is generated, the accuracy of multi-sensor cooperative fire discrimination is improved, meanwhile, the adaptability of the early warning scheme to dynamic working conditions is enhanced, and the accuracy of cabin fire monitoring is guaranteed.

The application discloses a kind of ship shafting installation process, comprising the following steps: step one: shaft generator is assembled with combined auxiliary tooling to shaft generator base by step two: the assembled shaft generator with combined auxiliary tooling;Step three: combined auxiliary tooling is fixed with shaft generator base by bolt, nut;Step four: intermediate shaft is suspended in eccentric position of stern shaft beam in advance, install stern shaft;Step five: remove first auxiliary tooling;Step six: release the intermediate shaft suspended in advance, install the flange, finally hoist the main engine of ship;Beneficial effect is, the installation work of original shaft generator stator box and rotor in engine room is completed in workshop in advance, shaft generator can be advanced into cabin after assembly, neither affect the line drawing of axis, nor reduce hoisting operation time and the time of installing shafting in engine room, process flow is simplified, and workload is greatly reduced.

The invention discloses a multi-purpose cabin upper platform vibration reduction structure and a vibration reduction simulation method.The multi-purpose cabin upper platform vibration reduction structure comprises an upper platform, and a lower platform is arranged below the upper platform; transverse girders are arranged at the bottom of the upper platform and the bottom of the lower platform; the transverse girder is arranged behind the cabin opening; a plurality of longitudinal girders are arranged at the bottom of the upper platform; a plurality of vertical supporting columns are arranged below the transverse girder at the foremost end of the upper platform; the lower ends of the vertical supporting columns are connected to the transverse girder at the foremost end of the lower platform. The transverse girder at the foremost end of the upper platform is flush with the opening edge of the cabin. The problem that vibration of the cabin platform is severe is solved; the vibration test standard of the cabin platform opening area is met, and the vibration risk of a real ship is reduced.

To promote heat radiation of a cable for supplying electric power to an electric heating type catalyst device.SOLUTION: The vehicle includes the engine 20 located in the engine room 110, the EHC50 that defines the flow passage of the exhaust gas together with the exhaust gas pipe 40 in the engine room 110 and supports the catalytic converter on the catalytic converter support that generates heat by being energized, and the third EHC50 cable 82 that connects the power supply device 70 for supplying power to the EHC50 and the 2EHC, and at least a part of the third 2EHC cable 82 is located on the upward direction side with respect to the 28A of the upper end surface of the head cover 28 of the engine 20.SELECTED DRAWING: Figure 1

The application discloses a safety door device of a ship engine room shed, which comprises a cabin aisle, an inner door arranged at the entrance of the cabin aisle, an inner protection mechanism arranged in the cabin aisle, an outer protection mechanism connected to the outer wall of the cabin aisle, and an auxiliary mechanism arranged in the outer protection mechanism. When the protection door is closed, the latch plate is inserted into the U-shaped groove, the pull block is pulled outwards, the pull block pulls the spring and drives the plug block to move out of the plug hole, the insertion rod can be inserted into the through hole and the square groove, the insertion rod fixing column latches the plate, thereby fixing the protection door. In addition, the insertion rod is completely immersed in the inner side of the through hole, the insertion rod can be located at the central position of the protection door by using the fact that the pull block is located at the center of the protection door, the two sides of the peripheral frame are prevented from being damaged, the insertion rod can be taken out at will, is far away from the two side edges of the peripheral frame, and the time for opening the protection door is prolonged.

This invention belongs to the field of data processing technology, specifically relating to an IoT data edge computing processing method for ship-shore collaborative management. The method includes: acquiring real-time operating data of the ship's engine room equipment; loading a physical association weight matrix, calculating the local spatiotemporal coupling strength index of each sensor by calculating the cross-correlation coefficient and time lag between each sensor within the current window; extracting the transient change characteristics of the data at the current moment, calculating the prediction residual of the current observation using a prediction model, and calculating the adaptive transmission priority weight of each sensor's data based on the local spatiotemporal coupling strength index; and dividing the data stream into different levels according to the adaptive transmission priority weight, and executing a dynamic queue scheduling strategy for each level. This invention can improve the accuracy of fault diagnosis while reducing redundant data uploaded by the system.

The invention provides an optimization method and system for a marine engine room ventilation system, and relates to the technical field of analogue simulation, and the method comprises the steps: constructing a ventilation system simulation model of a marine engine room; according to the structure information and the working condition information of the ventilation system simulation model, determining the total heat dissipating capacity of the equipment; determining a reference ventilation quantity and a ventilation quantity area distribution table according to the total heat dissipation quantity of the equipment; setting the reference ventilation quantity and the ventilation quantity area distribution table into a ventilation system simulation model; performing fluid dynamic simulation on the ventilation system simulation model to generate a problem list; the optimal ventilation system structure parameters are optimized and determined through a swarm intelligence algorithm by taking weakening of hot spots, reduction of dead corner volume fraction reduction and weakening of a backflow path as targets. Hot spot areas in the cabin can be effectively weakened, the volume fraction of ventilation dead corners is reduced, the short-circuit backflow phenomenon is weakened, and the overall energy efficiency and design reliability of a ventilation system are remarkably improved while safe operation of equipment is guaranteed.

The invention provides a material conveying system for a ship. The device comprises a loading and unloading platform and a cabin spare part crane. According to the ship material conveying chain, the needed ship materials are lifted from a wharf through the engine room spare part crane, then the ship materials are transferred to the loading and unloading platform, normal conveying of the ship materials between the ship and the shore is achieved through cooperative work of the engine room spare part crane and the loading and unloading platform, and a complete ship material conveying chain is provided for conveying of the ship materials. The arrangement of a food hoist can be replaced, the space utilization rate is optimized, the deck space of a superstructure area is saved, installation of the food hoist is reduced, and the ship design and construction cost is reduced. Through the arrangement of the loading and unloading platform, the shelving table is attached to the stand column after use, the occupied deck space of an overbuilt area is reduced, more space is vacated for arranging other equipment or outfitting pieces, and the ship space is effectively saved.

1. The name of the design product: console (new type of assembled). 2. The use of the design product: cabin or control room, which is the core control device of the ship, realizing centralized monitoring and management of equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. The bottom of the design product is not easy to see or not visible during use, and the top view is omitted.

In industrial machinery, the design aims to increase the space inside the engine compartment while minimizing the reduction in blade visibility. [Solution] The work machine comprises a blade, a left lift frame, a right lift frame, an engine, and an engine room. The left and right lift frames are positioned behind the blade and support the blade. The engine room is positioned behind the blade. The engine is located in the engine room. The engine room includes a lower chamber and an upper chamber. The lower chamber is positioned between the left and right lift frames. The upper chamber is positioned above the lower chamber. The upper chamber has a wider width than the lower chamber.

The application discloses a ship engine room infrared thermal image and vibration combined diagnosis method based on a multi-mode, relates to the technical field of mechanical equipment state monitoring, and synchronously collects infrared thermal image data and vibration data of a contact area between a bearing seat and a mounting base structure in an engine room operation process, forms an infrared thermal imaging frame sequence and a vibration signal data sequence through data processing; constructs a contact area thermal image sequence and a radial vibration attenuation sequence according to the infrared thermal imaging frame sequence and the vibration signal data sequence, and maps to a unified time axis for consistency determination; aggregates time sub-sections with inconsistent evolution rhythms to form a thermal-vibration response deviation trend, judges the thermal-vibration response deviation trend, and outputs thermal-vibration response deviation results of the contact area. The method is suitable for positioning and discriminating abnormal contact between a bearing seat and a mounting base of a ship engine room through time sequence correlation analysis of thermal image information and vibration information for combined identification of the structure contact state.

The present invention relates to a ship. The present invention provides a ship comprising: a hull having a loading space, in which cargo is loaded, and a first engine room, in which a driving unit is disposed; a cabin that has a plurality of floors and is located in front of the loading space and above a collision partition wall located inside the hull; and a wheelhouse disposed above the cabin, wherein the cabin has a cabin region located behind the collision partition wall.

An engine compartment structure for a vehicle is provided with: an engine positioned in an engine compartment; an EHC that demarcates an exhaust gas flow path in the engine compartment together with the exhaust pipe, and that is provided with a catalyst carrier that generates heat by being energized and carries a catalyst; and a second EHC cable that connects the EHC and a power supply device for supplying power to the EHC. At least a portion of the second EHC cable is positioned above an upper end surface of a cylinder head cover of the engine.

The invention discloses an underwater ocean current energy power generation device. The device comprises a base, a supporting frame, a water turbine, a sealing cover, a gas storage assembly, a cabin and a motor. The supporting frame is fixedly arranged at the upper end of the base, the sealing cover is fixedly arranged at the upper end of the supporting frame, the air storage assembly and the cabin are arranged in the sealing cover, and the air storage assembly communicates with the cabin; the upper end of the main shaft penetrates through the cabin to be connected with the motor, the lower end of the main shaft is rotatably connected with the base, and the rotating wheel is fixedly arranged in the middle of the main shaft to drive the main shaft and the rotating wheel to rotate synchronously.

This utility model discloses a hoisting device for a generator cooling fan motor, relating to the field of generator tooling technology. It includes a crossbeam, a fixing component, and a hoisting component. The fixing component is mounted on the crossbeam, and one end of the hoisting component is movably mounted inside the crossbeam, while the other end extends outside the crossbeam. Based on the existing engine room structure, this utility model eliminates the need for additional hoisting points. It solves space constraints through modular components, reducing reliance on manual labor; it increases per capita efficiency while eliminating the risk of manual lifting and reducing the probability of tools falling.

The invention discloses a structure and method for preventing electro-corrosion of a semi-direct-drive gearbox, and relates to the field of electro-corrosion prevention of the semi-direct-drive gearbox, the structure comprises a conductive part, a carbon brush and a plurality of grounding cables, the conductive part is provided with a plurality of cable connection points, and the conductive part is installed on a grounding point of a cabin; each cable connection point on the conductive part is connected with a stator base, a junction box and an end cover of the semi-direct-drive generator through at least one grounding cable. The carbon brush is installed on a hollow pipe of the semi-direct-drive gearbox and makes contact with the hollow pipe, and the carbon brush is connected with a grounding point on the engine room through a grounding cable. According to the invention, the influence of common-mode voltage on the gearbox is reduced by adding the generator grounding point and grounding the gearbox hollow tube.

The application discloses a kind of ship engine room fire alarm device, it is related to ship fire alarm technical field, including smoke detection equipment and fire alarm mechanism, the fire alarm mechanism includes negative pressure equipment, fine filter, oil mist filter, sampling main pipe, adapter, sampling branch pipe and sampling box;Through the fire alarm mechanism of being set, negative pressure equipment, sampling main pipe, adapter, sampling branch pipe and sampling box are used in cooperation, so that negative pressure equipment is in real time to the inside of ship engine room is extracted gas in all directions, so that the air sample of fire alarm mechanism can forcibly capture each dead angle of engine room, not by the influence of engine room strong ventilation turbulent flow field, effectively solve the problem that low concentration smoke is blown away, dilution at the initial stage of fire, passive probe cannot be reached, realize the rapid capture of smoke, gain sufficient time for fire disposal, avoid fire spread, improve the use effect of fire alarm device, effectively protect ship engine room and personnel.

The present application belongs to the technical field of ship fuel consumption prediction and big data analysis, and relates to a kind of operating ship fuel consumption prediction method based on deep learning model.The method includes step 1: synchronously collecting multi-source data from ship automatic identification system, engine room monitoring system and ERA5 meteorological database, and pre-processing;Step 2: the pre-processed data is input into the pre-trained CNN-BiLSTM-Attention model for ship fuel consumption prediction;Wherein, the CNN-BiLSTM-Attention model is composed of convolutional neural network, bidirectional long short term memory network and time attention module;The model uses a composite loss function based on speed-power-fuel physical constraints.The present application performs better in terms of prediction accuracy, robustness and fitting effect.Compared with the prior art, the present application has higher accuracy and reliability in predicting ship fuel consumption.

The application discloses a ship cabin total section onshore dock translation support integrated tool, comprising: a bottom support frame, the bottom support frame is installed on a hydraulic trolley, used for providing the bottom bearing foundation of the whole tool and adapting the hydraulic trolley to realize translation; in the application, each support frame is accurately adapted through a threaded hole and a bolt fastener when assembling, and then is locked through linkage of a bidirectional locking and anti-loosening mechanism, so that vibration loosening can be effectively avoided, thereby greatly guaranteeing connection stability and load transmission continuity; in addition, when the whole is assembled, the hierarchical design of the bottom support frame and each level support frame can maintain the stability of the ship cabin total section, and the detachable modular structure can adapt to different requirements, so that the device can freely combine different support frames according to needs, thereby meeting the requirements of different ship types and different heights, and finally greatly guaranteeing the safety and stability of operation, and greatly improving the adaptability and efficiency of the tool.

A power system. The power system comprises an engine body (2), wherein the engine body comprises a cylinder and a crankshaft (208); and the engine body is inclined toward one side along the rotation center of the crankshaft, such that the center line of the cylinder forms a set included angle with the vertical direction. Further provided is a vehicle comprising the power system. The power system has a high integration level, which can improve the integration level of an engine compartment of the entire vehicle.

The application relates to a ship air exhaust technology field, in particular to a control method of a cabin air intake and exhaust machine, frequency of the variable frequency air supply and exhaust mechanical ventilation is very high, the variable frequency control method is optimized, the requirements of the ship owner can be met, better market can be won, the air intake and exhaust amount of the cabin is controlled through the more optimized variable frequency control method, the problem that the low-frequency work of the variable frequency air supply machine cannot meet the required air consumption of the large load working condition of the main generator in the low-temperature environment of the cabin in winter is solved, and the method is suitable for the SOV ship type with small space and compact layout.

The invention discloses an oil pool fire combustion characteristic experiment device for hull movement. The oil pool fire combustion characteristic experiment device comprises an experiment platform, a heating assembly and an acquisition assembly, the experimental platform comprises a base, a hull motion control mechanism and a sloshing platform, the ship body motion control mechanism is arranged on the base, the output end of the ship body motion control mechanism is connected with the sloshing platform, the ship body motion control mechanism is used for driving the sloshing platform to simulate the motion condition of the ship body in the sea wave environment, an oil disc is arranged on the sloshing platform, and oil for experiments is arranged in the oil disc; the heating assembly is used for preheating the oil pan; and the acquisition assembly is used for acquiring data of the implementation process. According to the invention, the experiment can be closer to the scene of oil pool fire combustion of leaked oil in a ship cabin in the sailing process of a ship in reality, and the applicability and reliability of corresponding ship fire research are improved.

The invention belongs to the technical field of ship engineering, and discloses an engine room ventilation system and a ship, the engine room ventilation system comprises a chimney arranged on a deck, the chimney is communicated with the interior of an engine room, and the chimney is used for discharging waste gas; the fan chamber is arranged in the chimney, the fan chamber is defined by a surrounding wall structure and the inner side wall of the chimney, the surrounding wall structure is connected to the inner side wall of the chimney, the surrounding wall structure is provided with a first ventilation opening and a second ventilation opening, the fan chamber is communicated with the interior of the cabin through the first ventilation opening, and the fan chamber is communicated with the interior of the cabin through the second ventilation opening. The fan chamber is communicated with the interior of the chimney through the second ventilation opening; a fan is arranged in the fan chamber and used for supplying air to the interior of the cabin or exhausting air to the interior of the cabin. According to the engine room ventilation system and the ship, the problems that functional equipment of a ship deck is dense and the arrangement space is compact are solved.

The invention relates to the field of ships and ocean engineering, in particular to a roll-on and roll-off integrated multipurpose transport ship for transporting a whole set of high-power wind turbine generator equipment, which mainly comprises a ship body, the ship body is sequentially provided with a bulwark, a cargo deck, a through-type cargo hold, an inner bottom and a ship bottom from top to bottom, and the through-type cargo hold is arranged in the ship body. The through-type cargo hold is used for loading wind turbine generator host equipment, the wind turbine generator host equipment comprises a cabin, a hub, a transformer and a transmission chain, a hatch of the through-type cargo hold is located in the middle of the main deck, a through-type hatch cover is detachably installed above the hatch of the through-type cargo hold, and the top of the through-type hatch cover is flush with the top of the cargo deck; the cargo deck is used for loading a tower drum section, a single pile, a transition section and blades of wind turbine generator equipment; two cranes are arranged on a starboard of the main deck and used for hoisting and transferring wind turbine generator main machine equipment, a tower drum section, fan blades and a single pile with light weight.

The present application belongs to the technical field of cabin temperature control, and particularly relates to a hydrological survey ship cabin temperature control device, which comprises an unmanned survey ship, survey sensors, a photovoltaic energy storage module, a bubble type ventilation mechanism and a sliding tail type buoyancy increasing mechanism. The survey sensors are arranged on the unmanned survey ship, the photovoltaic energy storage module is arranged on the unmanned survey ship on the side of the survey sensors, the bubble type ventilation mechanism comprises a temperature control assembly and a bubble assembly, the temperature control assembly is arranged at the tail of the unmanned survey ship, and the bubble assembly is arranged at the bottom of the unmanned survey ship. The present application provides a hydrological survey ship cabin temperature control device which can introduce the airflow after ventilation into water, clean the bottom of the ship body when the ship is at low speed or hovering by using the formed bubbles, and increase the buoyancy of the tail of the ship body when the ship body is sailing at high speed, so as to maintain the sailing posture of the survey ship.

The utility model relates to the technical field of new energy ships, and particularly discloses a closed cabin structure of a new energy ship. The closed cabin structure comprises a cabin body arranged on the new energy ship; the active noise reduction assembly is arranged on the cabin body; comprising a detection cavity arranged on the inner wall of a cabin body, an audio detection element arranged on one side of the detection cavity, an audio element arranged on one side of the detection cavity and facing the other side of the detection cavity, a circuit board for receiving the audio detection element and controlling the audio element, and a power supply element for supplying power to the audio detection element and the audio element, by adopting the mode of combining active noise reduction and cabin structure passive noise reduction, the noise reduction effect in the cabin is improved on the premise of ensuring various sealing performances of the new energy ship, and the situation that the hearing of sailors is damaged due to the fact that a motor, a generator and the like can generate high noise in the operation process and are exposed in a high-noise environment for a long time is avoided. And noise transmission is effectively reduced, so that sailors can work in a relatively quiet environment.

The invention provides a shaft penetrating and hoisting method for a permanent magnet shaft generator. The shaft penetrating and hoisting method comprises the steps that a shaft generator body is placed on a base; the middle shaft is driven by the lifting point to horizontally move, so that the first flange penetrates into the inner hole of the rotor; setting of the lifting points is adjusted, and the intermediate shaft continues to be horizontally moved until the distance between the adaptive ring and the rotor is 30-40 mm; a first hoop and a second hoop are installed on the two sides of the axle generator body, an intermediate bearing is installed on an intermediate shaft, and shaft penetrating is completed; lifting points are arranged on two sides of the shaft generator body after shaft penetration, and rollers are mounted at the bottom of the shaft generator body; the permanent magnet shaft generator is vertically put down through an upper deck opening by utilizing a lifting point and enters a cabin through a lower deck opening, so that rollers fall to a guide rail laid on a base; the permanent magnet shaft generator is pulled to move to the position over the base; and after the rolling wheels and the guide rails are dismounted, the steel plate is lowered to the base, and hoisting is completed. The method is high in practicability and easy to implement, and dock time is saved.

To provide a construction machine capable of improving cooling efficiency of a heat exchanger and reducing noise in a configuration in which a prime mover, a heat exchanger, and an air cleaner for supplying clean air to the prime mover are arranged in an engine room. The excavation work machine comprises an engine room provided on a swivel frame and housing equipment including an engine and a heat exchange unit, a ventilation part provided on a right exterior cover forming a side wall of the engine room and having a plurality of ventilation holes for communicating inside and outside of the engine room, and an air cleaner arranged between the heat exchange unit and the ventilation part in the engine room, and supplying cleaned air to the engine.