974 results about "Fishing net" patented technology

The invention discloses an urban unmanned aerial vehicle operation comprehensive risk assessment method and system, and belongs to the technical field of unmanned aerial vehicle low-altitude safety management. The urban unmanned aerial vehicle operation comprehensive risk assessment method comprises the following steps: firstly, based on urban GIS data and a fishing net segmentation technology, constructing a three-dimensional dynamic scene model fusing building topology, available low-altitude airspace and population flow characteristics; establishing a direct death risk model, an indirect death risk model and a property loss model in combination with unmanned aerial vehicle operation parameters and time-varying population distribution data, and performing weighted synthesis based on normalized risk values to obtain a comprehensive risk model; and based on a space-time risk thermodynamic diagram generation technology, outputting an urban low-altitude risk situation map with different time periods, different regions and different heights. According to the method, the time-varying characteristic and the multi-dimensional influence of the operation risk of the unmanned aerial vehicle can be quantified for an urban low-altitude unmanned aerial vehicle operation risk scene of refined modeling, and decision support is provided for urban unmanned aerial vehicle path planning, airspace management and emergency response.

The invention relates to the technical field of ship control, in particular to a fishing boat control system based on data analysis, which comprises a traction load analysis module, a fluctuation condition division module, an attitude disturbance estimation module, a propulsion power regulation module and a rudder angle correction output module. According to the method, by analyzing the traction force load sequence value and the moment arm length of the fishing net traction point, calculating the left and right side offset torque and marking the action direction, the attitude adjustment precision of the ship is optimized, the operation sea condition level is adjusted according to data, and the ship can be subjected to more reasonable attitude estimation and adjustment under the dynamic working condition; the wind pressure change rate and the pitch angle rate are combined to judge the direction resultant force trend, and the navigation attitude is adjusted according to the sea condition grade, so that the ship can more accurately resist the influence of sea surface storm waves and maintain the course stability, and the rudder angle is corrected by adjusting the propulsion power in real time, limiting the adjustment amplitude of the propulsion power and correcting the rudder angle according to the real-time data of the navigation attitude. And the propulsive efficiency and the navigation precision are optimized.

The invention relates to the technical field of agriculture, and discloses a soil fertility remote sensing inversion method based on machine learning. Acquiring and preprocessing a historical soil database, historical remote sensing image data and target year remote sensing image data, including radiometric calibration, atmospheric correction and geometric correction; calculating a vegetation index and a leaf area index based on the preprocessed historical remote sensing image data, and determining a bare soil window period; creating a fishing net grid covering the research area based on the spatial distribution of the bare soil window period; historical soil parameters and remote sensing image wave band reflectivity values of corresponding window periods are extracted from the fishing net grids, and training samples are constructed; the training samples are divided into a training set and a verification set, and feature selection is carried out through a correlation coefficient method; establishing a soil parameter inversion model based on the training set by adopting a multi-model cooperative training mode; and performing soil fertility inversion on the remote sensing image data of the target year by using the trained model. In conclusion, the prediction precision of the soil fertility can be improved.

The invention discloses a fishing net thread tensile strength detection device and method, and relates to the technical field of fishing net thread tensile strength detection.The fishing net thread tensile strength detection device comprises a loading frame, a driving motor is fixedly installed on the surface of the loading frame, and a winding roller rotationally penetrates through the inner wall and the outer wall of the loading frame and is fixedly connected with the output end of the driving motor; a tension detection mechanism is arranged on the face, away from the driving motor, of the loading frame. The device further comprises an auxiliary device and a protection device. Wherein the fixing device comprises a carrying plate, a fixing rod, a protection plate, a lifting rod, a first spring, a connecting rod, a rubber block, a pull rod and an L-shaped plate, when the protection plate is closed, the fishing net sleeving the fixing rod is automatically and effectively fixed, sudden slippage of the fishing net is avoided, meanwhile, the stress of the fishing net is more uniform during detection through three fixing points, and the detection accuracy is improved. And the detection effectiveness can be improved.

The invention provides a hydrolysis method of a waste nylon 6 fishing net. The hydrolysis method comprises the following steps: step 1, screening the waste nylon 6 fishing net, cleaning, removing impurities, disinfecting and crushing; step 2, pretreating diatomite; step 3, adding pretreated diatomite, solid acid and deionized water into a reaction kettle, stirring at 50 DEG C for 5 hours, and removing moisture to obtain a solid acid catalyst; 4, adding the solid acid catalyst, the cleaned waste nylon 6 fishing net and deionized water into a reaction kettle, controlling the temperature and time for reaction, and filtering while hot to obtain a liquid-phase product; 5, neutralizing, decolorizing and extracting the liquid-phase product to obtain a caprolactam monomer; and 6, carrying out polymerization reaction on the obtained caprolactam monomer to generate regenerated polyamide for chinlon spinning. According to the method provided by the invention, the solid acid catalyst is easily separated from reactants, the catalytic efficiency is high, the corrosion to equipment can be reduced, and the method is more environment-friendly.

The utility model discloses a fish collecting and catching device. The periphery of a net frame structure is used for making contact with the inner wall of a fish storage box. The net frame structure comprises a frame structure and a fishing net, and the outer surface of the frame structure is coated with the fishing net; a cavity is formed in the frame structure and used for storing gas. The fish suction mechanism comprises a fish suction pump and a fish suction pipe, the fish suction pump is arranged on one side of the frame structure, one end of the fish suction pipe is connected with the fish suction pump, and the other end of the fish suction pipe is used for being connected with the external space. According to the technical scheme, the cavity used for storing the air is formed in the frame structure, the air provides buoyancy for the frame structure, the fish suction pump provides downward pressure, the frame structure can slowly move downwards, and the activity space of cultured fishes in the fish storage box is gradually compressed; the fishes concentrated together can be sucked up by the fish suction pump; when the fish pump stops working, the frame structure automatically floats to the water surface under the action of buoyancy, and the fish catching device has the advantages of high fish catching efficiency, high operation safety and low operation labor intensity.

The invention provides an underwater maintenance intelligent robot which is used for solving the problems that in the prior art, passive maintenance efficiency is low, cost is high, and safety risks exist. Comprising a frame main body, a cutting and recycling module and a washing module, the frame main body comprises a first main body, a second main body with the same structure as the first main body, and a self-adaptive connecting part for connecting the first main body with the second main body; the cutting and recycling module comprises a mounting seat fixedly connected with one side of the first main body, a sheath, a plurality of support arms, an elastic rod, a pulling power part used for pulling the sheath to bend and located in the circumferential direction of the anchor chain, a flexible chain holding part, a cutting part used for cutting a fishing net wound on the anchor chain, and a recycling part used for recycling and storing the fishing net cut by the cutting part; the washing module comprises a first washing part and a second washing part, and the first washing part and the second washing part are installed on the two sides of the second main body correspondingly and arranged in a staggered mode. The robot is high in operation efficiency, low in cost and capable of improving safety.

The invention discloses an emotion map generation method and device, a medium and a product, and relates to the field of data processing. According to the method, the key emotion problem in the community green space design can be accurately identified and solved through the influence relationship of the visual features on the emotion determined by the cognitive psychological experiment. Moreover, after a trained machine learning model is adopted to obtain emotion prediction values of different shooting angles of each shooting position, the emotion prediction values are averaged to obtain a comprehensive emotion value of each shooting position. And mapping the comprehensive emotion values to a projection coordinate system by adopting ArcMap software, constructing a fishing net model with a set grid size, averaging the comprehensive emotion values of all positions in the grids in the fishing net model, giving the average value as a grid emotion value to the corresponding grids, and adjusting the color attributes of the grids to obtain the fishing net. Therefore, an emotion map capable of accurately explaining emotion experience reasons and guiding green space design can be generated.

The invention discloses a photovoltaic power station vector data set construction method based on a deep learning semantic segmentation algorithm. Firstly, open source satellite remote sensing image data and multi-source heterogeneous data are obtained and subjected to geographical calibration processing, and the consistency of the image and the multi-source data is ensured. Secondly, segmenting a research area vector by adopting a fishing net division method, taking multi-source data as priori knowledge, and obtaining a sampling area through a spatial stratified sampling algorithm; a photovoltaic power station in a sampling area is manually marked, and a semantic segmentation training set and a verification set are constructed; and establishing a photovoltaic power station segmentation model based on the DSFA-SwinNet network and the training data. And finally, carrying out segmentation processing on the residual research area by using the model, optimizing a segmentation result through filtering and morphological processing, and converting raster data into a vector format to complete construction of a photovoltaic power station vector data set.

The fishing net winding prevention structure of the ship propeller comprises a driving rod, a propeller base is fixedly installed on the left side of the driving rod, a stern shaft box is connected to the right side of the driving rod, and a first cutting mechanism is arranged in the stern shaft box. According to the fishing net winding preventing structure of the ship propeller, by arranging the first cutting mechanism, when a driving rod rotates autonomously, a driving gear fixedly installed on a rod body of the driving rod can drive two driven gears which are connected in a meshed mode to move, and the driven gears move to enable a first transmission rod to rotate; meanwhile, two first bearings connected with the outer wall of the first transmission rod can provide high stability for the rod, then the rod can stably rotate, and a plurality of first cutting blades installed on the rod wall can clean and smash fishing nets or weeds wound on the driving rod through stable rotation of the first transmission rod; therefore, the protection performance of the whole structure is improved, and the operation safety of the ship can be effectively guaranteed.

The utility model provides an escape-proof device for fish culture, and relates to the technical field of escape-proof devices for fish culture, the escape-proof device comprises a base and a fishing net plate, the fishing net plate is arranged at the top of the base, an air cylinder is arranged in the middle of the top of the base, one end of the air cylinder is fixedly connected with a lifting rod, and a push rod is slidably connected in the lifting rod; an intercepting net plate is fixedly mounted at the top end of the pushing rod, a connecting rod is connected to one side of the blocking plate, and the base is made of a folded plate; according to the technical scheme, an air cylinder in the middle of the top of a base is started to drive a pushing rod in a lifting rod at one end to move downwards, then an intercepting net plate installed at the top end is driven to move downwards, and a connecting rod on one side of the bottom is connected with a connecting groove formed in one side of the top of a blocking plate; and the situation that the intercepting net plate is blown to be deflected when wind blows, then the fishing net plate is closed, and inestimable losses caused by the fact that fish in the fishing net plate jumps out are avoided.

The invention provides a website layout method and device based on spatial clustering analysis and electronic equipment, and relates to the field of website layout, and the method comprises the steps: determining the types of all target products according to historical sales volume data, carrying out the grid processing of a target hot spot region, determining each sub-grid region, and carrying out the grid processing of the target hot spot region; calculating a variance value between the grid clustering center and a standard grid clustering center, and analyzing and processing the sub-grid regions by using kernel density to obtain an aggregation region; and adjusting the sales volume of each target product by using the variance value and the aggregation region to obtain the adjusted sales volume of each target product, determining the order quantity of the target products according to the target POI, determining the fishing net region with the maximum order quantity as a target network point, and determining the product configuration quantity of each target product. According to the method, store layout site selection, product selection and product quantity configuration can be realized, spatial distribution of store site selection factors is evaluated by adopting spatial clustering, the order quantity of a fishing net area is calculated, and a more reasonable network layout is given.

The invention relates to the field of fishing net line detection, and discloses a fishing net line tensile strength detection device which comprises a detection table, a switching plate is arranged in the middle of the detection table through a switching structure, pulling detection structures are arranged on the two sides of the detection table, a plurality of groups of pulling grooves are formed in the switching plate, and pulling seats are slidably arranged in the pulling grooves. A fixing disc is arranged on the pulling seat through a mounting structure, a rotating disc is rotationally arranged on the fixing disc, during detection, one end of a fishing net line is clamped through a clamping structure, then the fishing net line is automatically wound to a rubber sleeve of a fixing column through a winding structure, the fishing net line is clamped more firmly, and the problem that the fishing net line falls off during detection is avoided; meanwhile, manual winding is replaced by automatic winding, so that the operation is more labor-saving and convenient, and the working efficiency is higher; and a moving structure is arranged, so that the moving block can be driven to gradually move towards the direction of the fixed column in the winding process, and the fishing net line can be smoothly wound on the fixed column.

The invention provides a fishing net barrel storage system, and relates to the field of fishing net cleaning. The fishing net barrel storage system comprises a fishing net barrel storage mechanism and a fishing net barrel transfer mechanism. And the fishing net barrel storage mechanism is arranged at the rear end of the cleaning ship. When the standby fishing net storage cylinder is released, the rope winding winch is started, the rope winding winch drives the cylinder pulling steel rope, the steering part guides the cylinder pulling steel rope to steer, the cylinder pulling steel rope pulls the two ends of the cylinder withdrawing part to slide along the double-S-shaped movement track, and the cylinder withdrawing part pushes the standby fishing net storage cylinder in the double-S-shaped movement track to move along the double-S-shaped movement track. Spare fishing net storage barrels are released one by one from the foremost end of the upper portion of the double-S-shaped movement track, the fishing net barrel transfer mechanism receives the released spare fishing net storage barrels and drives the spare fishing net storage barrels to move, and the fishing net storage barrels are conveyed, and the multiple spare fishing net storage barrels can be contained on the double-S-shaped movement track. The function of loading a plurality of fishing net drums on the cleaning ship is achieved.

The invention discloses a deep sea aquaculture net cage which comprises a buoyancy pedal, a plurality of air bags are arranged at the bottom of the buoyancy pedal and used for providing buoyancy and adjusting the height of the buoyancy pedal; the buoyancy ring is arranged at the bottom of the buoyancy pedal, a fishing net is fixedly connected to the bottom of the buoyancy ring, a bottom net is fixedly connected to the bottom of the fishing net, and a screening net is arranged in the bottom net in a lifting mode and used for shortening the height of the fishing net and screening fishes; by arranging a cleaning ring and a knocking rod, the rope can be cleaned when the rope is wound, impurities such as salt and seaweed can be removed, sounds can be generated by knocking a bell disc, fish schools can be repelled, and the screening efficiency is improved; due to the reciprocating motion of the first sliding block and the second sliding block, ordered arrangement of the ropes is ensured, the knotting phenomenon is prevented, and the service life of the ropes is prolonged; by arranging the feed scattering assembly, uniform scattering of fish feed is achieved, waste is reduced, and the utilization rate of the feed is increased.

The utility model provides a juvenile crab catching device, and relates to the technical field of juvenile crab catching devices, the juvenile crab catching device comprises a catching net rod, a length adjusting assembly is arranged in the catching net rod, the length adjusting assembly comprises a sliding rod and a fixing block, the sliding rod is inserted in the catching net rod, and the fixing block is arranged on the sliding rod. The two fixing blocks are connected to the outer surface of one side of the fishing net rod. According to the fishing net rod, when the length of the fishing net rod needs to be adjusted, the handle can be grasped and pulled backwards, one end of the inserting rod is pulled out of the inserting hole in the current position, the sliding rod can be adjusted at the moment, and therefore the length of the fishing net rod is adjusted; the inserting rod is inserted into the inserting hole in the current position through the spring to be fixed, so that the length of the fishing net rod is adjusted, and the problem that the length of an existing fishing net rod cannot be adjusted, so that fishing net rods with different lengths need to be used when fishing is carried out in different environments is solved.

The utility model discloses a fish fry catching and screening device, relates to the technical field of fish fry catching, solves the problems that an existing device is poor in catching effect and inconvenient to sort, and adopts the following scheme that a rotating shaft is assembled on the top face of a supporting column. The electric telescopic rod can drive the fishing net to move forwards so as to adjust the distance from the fishing net to the shoreside, and the rotating shaft can drive the fishing net to rotate, so that the water entering place of the fishing net can be adjusted in a large range, and the fishing effect is improved; the fishing net is driven by the rotating shaft to rotate to the position above the screening box, then the position of the fishing net is adjusted through the electric telescopic rod, and therefore fish fries on the fishing net can be poured into the screening box conveniently, screening can be conducted on the shore, and the fish fry sorting efficiency and effect can be improved through the screening drawer.

The invention relates to the field of underwater target detection, in particular to a netting damage detection model establishment and detection method, which comprises the following steps of: establishing a YOLOv8-EAC model which is an improved YOLOv8 model; comprising a backbone network Backbone for carrying out feature extraction on an input image, a neck network Neck for carrying out feature extraction and fusion on a feature map, and a head network Head for outputting fusion features provided by the neck network Neck; replacing the first two Conv layers in the original backbone network Backbone with an EES module, replacing other Conv modules in the YOLOv8 model with an ASAD module, and replacing a C2F module in the YOLOv8 model with a C2F-FEC module; the netting damage is detected by adopting the YOLOv8-EAC model, so that the non-contact real-time detection of the netting damage can be realized, and the netting damage detection precision and speed are improved.

The invention relates to the technical field of fishing net wire packaging equipment, and provides fishing net production wire drawing packaging equipment and method.The fishing net production wire drawing packaging equipment comprises a machine body, a pay-off roller at the left end and a guide roller in a packaging area, and a packaging mechanism is arranged in the packaging area; a fixed roller is arranged in the center of the winding mechanism and fixed to the front side of the machine body through a fixing base at the rear end of the fixed roller, and a winding drum is arranged on the outermost side of the fixed roller. The length of the fishing net monofilament from the guide roller to the winding drum is kept constant by adopting the mode that the winding drum transversely moves in a reciprocating mode, tension fluctuation caused by left-right swinging of the fishing net monofilament during winding operation is avoided, the situation that the monofilament is scratched can be prevented, it can be guaranteed that the tension of the wound fishing net monofilament roll is uniform, and the winding efficiency is improved. In addition, the winding drum is rapidly disassembled and assembled in a sliding drawing mode, the shutdown time of the whole device can be shortened, and the continuous operation requirement for fishing net monofilament drawing and winding is met.

A salmon net picking tool on a retractable spool. Salmon fishers use something called a net picking tool to pull fish that get caught in the netting. This fishing net picking tool is important to keep close by at all times when pulling fish out of the ocean. However, it is also very important for fishermen to keep their hands free as the ship sways. The salmon net picking tool on a retractable spool helps resolve both issues.

The invention relates to a device and method for catching freshwater snails, the device comprises a snail adsorption rod and a snail catching net, a hole is formed in the center of the snail catching net, the snail adsorption rod is inserted in the middle of the snail catching net, and a gap exists between the snail adsorption rod and the snail catching net; the snail adsorption rods are uniformly fixed and distributed at the bottom of a pond or a lake reservoir; the snail catching net penetrates through the snail adsorption rod and is arranged at the bottom of the pond or the lake reservoir; and the snail fishing net is connected with a lifting or inflating floating device. The snail adsorption rod and the snail fishing net are used in cooperation, collection of a large batch of living snails is completed, snails dead of diseases and young snails are rapidly removed without toxic and side residues, manpower is saved, and meanwhile the purpose that automatic harvesting can be completed by automatically inflating the floating air bag at regular time and using the floating air bag as an intelligent fishery component is achieved.

The present invention belongs to the field of polymer materials and provides a method for the high-value recycling of waste nylon. Specifically, nylon recovered from products such as waste fishing nets, textiles, oil pipes, and oil cups is depolymerized by small molecule acids containing ether oxygen bond structures to obtain carboxyl-terminated oligomeric nylon chain segments, which are then further reacted with polyether components to prepare polyetheramide elastomers. The present invention not only broadens the recycling and treatment ideas for waste nylon, reduces environmental pollution caused by nylon waste, but also transforms waste nylon into high-value polyetheramide elastomers. Compared with the current nylon recycling routes and polyetheramide synthesis routes, it has the advantages of simple process flow and equipment, short reaction cycle, and low energy consumption, and the obtained products have excellent comprehensive properties.

The utility model relates to the technical field of riverway floating object removal, and discloses an automatic riverway floating object removal device which comprises a filter screen, a plurality of fixing rods are arranged on one side of the filter screen, one end of each fixing rod is fixedly connected with a fixing cone, one end of each fixing cone is inserted into the bottom of the riverway, and one side of the filter screen is slidably connected with a connecting rod. A cleaning net is fixedly connected to one side of the connecting rod, a moving mechanism for driving the connecting rod to slide is arranged on the fixing rod, a supporting rod is slidably connected to one side of the connecting rod, a fishing net is arranged on one side of the supporting rod, a lifting mechanism for driving the supporting rod to move is arranged on the connecting rod, and a collecting box is arranged on one side of the fixing rod. Compared with the prior art, the floating object fishing device has the advantages that floating objects on a river channel can be automatically fished, so that workers do not need to regularly collect the floating objects, and convenience is achieved.

The invention discloses a tough underwater superoleophobic gel composite coating and a preparation method thereof.The preparation method specifically comprises the following steps that 1, a base material is soaked in a mixed solution of tannic acid and 3-aminopropyltriethoxysilane, after a period of time, the base material is taken out and soaked in a ferric chloride solution, and a nano-particle modified filter screen is obtained after drying; (2) loading the gel precursor solution on a nanoparticle modified filter screen through a dip-coating method, and preparing a gel composite filter screen under ultraviolet initiation; and (3) soaking the gel composite filter screen in a sodium citrate aqueous solution, and taking out the gel composite filter screen to obtain the tough underwater super-oleophobic gel composite coating modified fishing net. According to the method, the tough underwater super-oleophobic gel composite coating modified fishing net is prepared by adopting an impregnation method and ultraviolet initiation, the preparation process is simple, and the prepared gel composite coating has excellent oil stain resistance, mechanical stability and chemical stability and can be applied to crude oil adhesion prevention and oil-water separation of industrial oily wastewater.

The invention discloses a method for calculating building group similarity based on internal and external cooperation thought, and aims to improve the efficiency and accuracy of urban planning, land management and geographic information system updating by combining multi-scale spatial analysis and computer vision technologies. The method comprises the following steps: firstly, calculating geometric contour similarity by using a constrained Delaunay triangulation network and a corner function; secondly, constructing a fishing net for the building group, counting the distribution density, and converting the distribution density into a matrix form to calculate the distribution density similarity; building feature vectors are constructed, and bidirectional matching is achieved; solving the spatial direction similarity by applying an improved direction relation matrix on the basis of matching; the spatial distance similarity is calculated by using the area-weighted centroid coordinates; and finally, integrating the importance degrees of the four similarities, and endowing each component with different weights by utilizing an analytic hierarchy process to obtain the final building group similarity. The method is suitable for contrastive analysis of urban building groups based on geographic data of different sources, and can effectively identify and quantify differences and consistency between scenes, thereby optimizing an updating strategy of a geographic information system and improving the efficiency of map quality evaluation.

The utility model belongs to the technical field of fishing net weaving, and particularly relates to an auxiliary edge penetrating device for fishing net processing, which comprises a base, a rotating seat, a mounting cylinder and a rotating rod, the rotating seat is rotatably arranged at one end of the upper surface of the base, the mounting cylinder is fixed on the rotating seat, and the bottom of the rotating rod is inserted into the mounting cylinder. A stand column is welded to the end, away from the rotating base, of the upper surface of the base, a lifting groove is formed in the top of the stand column, a lifting base is slidably arranged in an inner cavity of the lifting groove, and an edge penetrating motor is installed on the surface of one side of the lifting base. The driving motor drives the driving wheel, the driving wheel pushes the fishing net to move under the action of friction force, the edge penetrating motor drives the edge penetrating rod, the edge penetrating rod drives the edge penetrating spiral to rotate, the end of the edge penetrating spiral can continuously and alternately penetrate through the two sides of a mesh of the fishing net, and the penetrating fishing net is gathered on the edge penetrating rod. Rapid edge penetrating of the fishing net can be achieved, and edge penetrating of the fishing net is more efficient and labor-saving.

The present invention provides a process and a plant for recovering purified ε-caprolactam from nylon 6 comprising fishing nets, wherein the plant comprises a depolymerization section [B], a recovery section [C], and a purification section [D]. The present invention also provides purified ε-caprolactam that has a particularly low product carbon footprint and is obtained via depolymerization of nylon 6 from fishing nets. In a second preferred embodiment, the purification of the distilled caprolactam is achieved by crystallization in a process of concentrating. The crystallized caprolactam resulting from concentrating is generally sufficiently pure to be used directly. After crystallization, it may be necessary to purify the mother liquor by, for example, recycling it to the aqueous solution before the extraction with the alkyl phenol. The mother liquor can be purified for example by means of distillation.

The utility model discloses a multifunctional aquatic plant harvesting trash holding net which comprises a fishing net, a buoy, an aquatic plant harvesting cutter, a balance weight piece, a first connecting rope and a second connecting rope, the buoy is arranged at the upper end of the fishing net, the two ends of the buoy are exposed relative to the fishing net, the first connecting rope penetrates through the buoy, and the balance weight piece is arranged at the lower end of the fishing net. One end of the second connecting rope is connected with the buoy, and the other end of the second connecting rope is connected with the aquatic plant harvesting knife which is located below the fishing net. The aquatic plant harvesting device is a combined device of the aquatic plant harvesting cutter and the trash holding net, integrates aquatic plant harvesting and water surface trash cleaning, and is diversified in function; the mode that the connecting rope is manually pulled to drive trimming and fishing is adopted, the fishing net can be customized according to the needed length and width, the aquatic plant harvesting cutter can be spliced according to the length of the fishing net, the trimming aquatic plant and fishing area is large, efficiency is high, and labor cost is low; the combined device of the aquatic plant harvesting knife and the trash holding net can be disassembled, folded and stored, and the input cost can be reduced.

This utility model relates to the field of floating wind power, and more particularly to a floating offshore wind power integration system based on fishery-wind complementarity. It includes a floating platform, a wind turbine system, an aquaculture system, and a suction caisson. The aquaculture system includes aquaculture nets. The wind turbine system is located above the floating platform, and the aquaculture nets are located below the floating platform. The suction caisson is connected to the floating platform. Wind power is provided through the wind turbine system, and fishery aquaculture is carried out through the aquaculture system, achieving fishery-wind complementarity integration. Furthermore, the design of the suction caisson ensures the stable arrangement of the entire system. The overall structure utilizes longitudinal sea space, has the characteristics of wide applicability to various sea areas, strong stability, and high energy utilization rate, and is expected to be widely used in the field of floating offshore wind power.

The utility model discloses a marine ranch fishing device which comprises a movable platform, the movable platform is annular, the upper surface of the movable platform is fixedly connected with a plurality of connecting plates, and the connecting plates are annularly and evenly distributed on the upper surface of the movable platform. A plurality of connecting plates are arranged on the movable platform in an annular shape, winding rollers are rotatably arranged on the surfaces of one sides of the connecting plates respectively, pull wires are fixedly connected to the surfaces of the winding rollers respectively, and the pull wires penetrate through the movable platform to be fixedly connected with the same fishing net. A rotatable winding roller is arranged on the connecting plate, so that the winding roller is controlled to drive the pull wire to be tightened so as to drive the fishing net to ascend, the fishing net is located at the bottom of the moving platform, synchronous ascending and descending of the fishing net cage are conveniently controlled, and meanwhile the fishing net cage is suitable for fishing operation at different depths.