97 results about "Cage culture" patented technology

The invention provides an ocean net cage unmanned ship intelligent inspection method based on a buoy network and TDoA positioning, and the method comprises the steps: constructing an intelligent buoy network in an ocean net cage culture area, and obtaining a refined grid map; performing global path planning by adopting an improved A * algorithm to generate a global reference path; the unmanned ship transmits a UWB signal to the navigation buoy, the current position of the unmanned ship is solved based on a TDoA principle and an LM algorithm, and a TDoA positioning result is obtained; the self-adaptive UKF is used for fusing the state information of the unmanned ship and the TDoA positioning result, and high-precision position estimation of the unmanned ship is obtained; and finally, the unmanned ship executes an autonomous inspection task according to the global reference path, and precise path tracking and calibration are realized by utilizing PID (Proportion Integration Differentiation) control. According to the invention, autonomous, safe and efficient inspection of the unmanned ship in a net cage dense area can be realized, the intelligent level of breeding management is improved, and the system is especially suitable for application scenes with high positioning precision requirements.

The invention relates to the technical field of aquaculture, and particularly discloses paracoccus pantotrophus P.p-O8 and application of the paracoccus pantotrophus P.p-O8, the paracoccus pantotrophus P.p-O8 is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number of the paracoccus pantotrophus P.p-O8 is CGMCC NO.26522. The invention relates to a microbial inoculum prepared from paracoccus pantotrophus P.p-O8. The method has a huge application prospect in improving the quality of aquaculture water and repairing the polluted sediments in the cage culture area, improves the water environment quality and the survival conditions of aquaculture organisms, repairs the eutrophicated polluted ecological environment, and has high environmental protection value and economic benefit.

The invention discloses a fish school quantity measurement method based on cage culture fish school sonar monitoring image denoising, and the method comprises the steps: obtaining an identified fish coordinate point P (x, y, d) of each identified fish in each single-circle sonar scanning image in one-time overall scanning of a target cage through step 1, step 2, step 3 and step 4 according to Dlt; the identified fish coordinate points are divided into a plurality of point clouds according to the spatial position relation condition of 0, do, all the point clouds are combined into an actual fish coordinate point, noise points, generated due to repeated identification, in the identified fish coordinate points obtained in the third step are filtered, boundary reflection noise points are filtered through the fifth step, and the final fish coordinate point is obtained. The number of fish schools in the target net cage is obtained by counting the coordinate points of the remaining identified fishes in the sixth step; therefore, the accuracy of fish school quantity measurement can be improved.

The invention provides a meat duck ingestion and drinking behavior recognition algorithm based on MOT and instance segmentation, and the method comprises the steps: collecting and marking an image of the ingestion and drinking behavior of a meat duck, and building a caged meat duck ingestion and drinking behavior detection data set through image data preprocessing; meat duck group multi-target segmentation and tracking based on target perception TAM; constructing and training a meat duck ingestion and drinking behavior recognition and detection network based on a Mask R-CNN algorithm; and classifying and judging the behaviors of the meat ducks, and counting the total frame number of the water drinking behaviors and the total frame number of the feeding behaviors of the target meat ducks in the video detection period to obtain the water drinking duration and the feeding duration. According to the invention, high-precision identification and time duration statistics of meat duck ingestion and water drinking behaviors can be realized in a stacked cage culture environment, the meat duck health state perception and fine management level of a farm can be improved, abnormal behaviors can be early warned in time, scientific feeding and risk control can be assisted, and the method has good practicability and popularization value.

The invention discloses a cage culture underwater netting damage identification method. According to the method, through a netting damage detection module carried by an underwater robot, a semantic segmentation model is utilized to segment a netting image, and a segmentation result is optimized in combination with image post-processing, so that a netting damage area is accurately identified; when it is detected that the netting is damaged, the underwater robot slowly gets close to a normal netting near a netting damage area, and a marker is fixed to the netting through an elastic clamp of the netting damage marking device; a stroboscopic signal lamp is arranged on the marker, so that the diver can be helped to quickly find out the damaged netting. The device has the advantages that the netting damage detection accuracy is high, the marking device is simple in structure and can be recycled for multiple times, the problem that the netting damage is difficult to find quickly when a diver maintains the netting is effectively solved, and the intelligent level of cage culture is improved.

The invention relates to the technical field of aquaculture, in particular to a net cage culture fish ingestion behavior recognition and accurate feeding system and a method thereof.The system comprises a multi-modal data acquisition module arranged around a net cage and used for acquiring video data and biological density information of fish behaviors, a data preprocessing module used for coding and compressing the video data, and a data processing module used for processing the coded and compressed video data; the biological density information is packaged, the 3D space-time attention analysis module receives the processed data, space-time features are extracted through a 3D deep learning model, and fish feeding behaviors are recognized. The multi-modal feature fusion module adaptively fuses the spatial-temporal features of the video data and the biological density information to generate ingestion intensity data, and the feeding control module calculates the vibration frequency according to the ingestion intensity data and controls the opening state of a netting door in a net cage, so that precise feeding is realized. The problem that a single data source is low in recognition accuracy in a complex underwater environment is solved, the recognition accuracy of the system under various water quality conditions is improved, and accurate feeding of fishes is achieved.

The invention relates to the technical field of aquaculture and ecological environment management, and discloses a novel pond ecological circulation culture method which comprises the steps that a pond is divided into four vertical functional areas including an upper-layer floating bed planting area, a middle-layer net cage culture area, a bottom-layer benthic purification area and a microbial conversion area, a water circulation system is arranged in a matched mode, the area needed by pond site selection is 3000-4000 m, and the water depth is 3.0-3.5 m. The water quality is automatically controlled through a sensor containing dissolved oxygen and the like, and the biological monitoring module is automatically controlled through a high-definition camera and an AI to acquire data in real time, trigger oxygenation, move the net cage and the like; mixed feeding of'basal feed and insect protein ', cross-season crop rotation of floating bed crops and batch harvesting of benthic organisms are performed daily, equipment is maintained regularly, and ecological circulating breeding is achieved.

The invention provides a decapterus maruadsi deepwater net cage culture method, and belongs to the technical field of decapterus maruadsi culture. According to the method, the submersible net cage is adopted, the decapterus maruadsi is located in the optimal growth water layer at the temperature of 20-25 DEG C all the year round according to rising and falling of seasons (surface water temperature), a guide pipe is adopted for fixed-point feed feeding, and the feed coefficient is reduced to 1.25 or below. According to the method, a water temperature-feeding amount-allicin-probiotics coupling model is established, the enteritis incidence rate in the high-temperature period is controlled within 2%, and annual continuous growth of decapterus maruadsi in deep and far sea is achieved.

The invention relates to the technical field of aquaculture equipment, and discloses an aquaculture cage culture device which comprises a floating ring, a first sliding groove is formed in the bottom of the floating ring, a second sliding groove is formed in the top of the floating ring, and a transverse moving machine is slidably connected to the inner wall of the second sliding groove. A sliding mechanism and a cleaning mechanism are arranged in the equipment, when the outer wall of the breeding net needs to be cleaned, a power source of a transverse moving machine and a motor is switched on, the transverse moving machine slowly slides along the inner wall of a second sliding groove at the moment, and in addition, the motor drives a first gear to rotate through a driving rod; a first gear drives a square column, a sliding ring and a second cylinder to rotate reversely through a second gear, at the moment, the first cylinder and the second cylinder clamp and roll the culture net, most of larvae on the culture net are physically rolled, and attachment of barnacle marine organisms to the culture net is reduced.

The invention belongs to the field of corrosion inhibition of cage framework metal base materials in a three-dimensional poultry cage culture disinfectant water environment. The invention specifically designs a carbon quantum dot corrosion inhibitor for a cage skeleton metal base material in a three-dimensional poultry cage culture disinfectant water environment, and preparation and application thereof, and the particle size of the synthesized carbon quantum dot is 8-10 nm (figure 1). The carbon quantum dot corrosion inhibitor for the cage skeleton metal base material in the water environment of the three-dimensional poultry cage culture disinfectant is obtained by mixing glucose and thiourea according to a certain proportion as raw materials and pure water as a solvent through stirring, dissolving, microwave treatment, centrifugation, dialysis and drying (Figure 2). The carbon quantum dot corrosion inhibitor for the cage skeleton metal base material in the water environment of the three-dimensional poultry cage culture disinfectant has the characteristics of simplicity and convenience in preparation, environment-friendly raw materials, abundant raw material sources, low cost, high yield, good corrosion inhibition effect, no influence on the disinfectant and the like; the corrosion inhibitor can be widely applied to corrosion inhibition of cage skeleton metal substrates in a three-dimensional poultry cage culture disinfectant water environment.

The invention discloses a method for distinguishing good crabs according to shell color changes, which enables the shell color of the good crabs to rapidly become light through a method of changing a photoperiod so as to achieve the purpose of distinguishing the good crabs. Comprising the following five operation steps: screening eriocheir sinensis and adjusting shell color; carrying out an illumination experiment; analyzing the shell color, testing aggressiveness, carrying out a fighting experiment, and distinguishing good crabs; and drawing a conclusion. According to the method, the gene polymorphism between the good crabs and the non-good crabs is further distinguished and analyzed through a scientific method, an important group material is provided for molecular breeding of the eriocheir sinensis, and a new eriocheir sinensis variety (the non-good crabs) can be finally cultured and used as a main culture object. Meanwhile, according to the characteristics of the good crabs and the non-good crabs, different breeding environments are selected for separate breeding. The non-good crab groups are subjected to high-density culture in the pond, so that the yield is increased; low-density cage culture or single culture is carried out on the good-fighting crab group, so that the individual quality is further improved, and the unit price is increased.

The invention discloses a fish and shellfish symbiosis seaborne net cage culture system and method, and relates to the technical field of aquaculture, and the method comprises the following steps: arranging a culture net cage in an offshore sea area; fish fries are put into a surrounding net, bivalve shellfishes are put into a shellfish culture piece cage, and the shellfish culture piece cage is hung in the culture net cage; feeding bait irregularly, checking the integrity of the shellfish culture cage and the covering condition of attachments regularly, and making a treatment means according to the covering rate; in the later period of culture, the adult fishes with the body length exceeding a preset value are caught irregularly in a fishing mode, and after the culture period is finished, the remaining adult fishes are caught in a concentrated mode by increasing the height of the purse seine; the shellfish culture piece cage is lifted out of the water surface to collect adult shellfish. The culture system disclosed by the invention comprises a culture net cage and shellfish culture piece cages, wherein the shellfish culture piece cages are hung in a purse seine. According to the method, mutualism of marine fishes and bivalve shellfish can be achieved, the resource utilization rate and the culture benefits are improved, and diversified fishery development can be achieved.

The present application relates to the technical field of data processing, and provides a kind of based on sonar's deep water net cage cultured fish school three-dimensional modeling method and system, by being arranged in the top geometric center position of target net cage multiple-beam sonar obtains global three-dimensional point cloud data, is arranged in multiple key depth layers of target net cage multiple multiple-beam sonar probe obtains local two-dimensional point cloud data, and according to the content information between global fish school three-dimensional point cloud data and each local fish school three-dimensional point cloud data based on the conversion of preset net cage topological coordinate system determines each fusion scheme, executes each fusion scheme and obtains target fish school three-dimensional point cloud data, and according to target fish school three-dimensional point cloud data carries out three-dimensional reconstruction and obtains fish school three-dimensional model and carries out visual display.The present application can not only guarantee the integrity of net cage water global space detection, but also can ensure the accuracy of local detail detection, effectively improve the reconstruction quality and visual display effect of fish school three-dimensional model.

The invention discloses an automatic cage dumping device based on a square nested suture-free scallop cage and application. The device comprises a rack, a square nested quick-connection suture-free scallop cage string, a crown block system, a three-dimensional magnetic coordinate positioning system, a conventional scallop cage single body picking and conveying system, a reversing system and a vibrating system, wherein the square nested quick-connection suture-free scallop cage string consists of a cage head scallop cage and more than one conventional scallop cage single body; a conventional scallop cage single body discharging system and a breeding object harvesting box. According to the device, square nested quick-connection suture-free scallop cage strings can be picked one by one from bottom to top, and after the scallop cages are reversed, the scallop cages are vibrated and emptied, so that cultured objects in the scallop cages are harvested, automation of the raft cage culture harvesting process is achieved, a complex manual intervention process is not needed, manpower and material resources are greatly saved, and the device is convenient and practical.

The present application relates to a self-cleaning modular gravity net cage culture system, comprising: a floating assembly comprising a plurality of floating units arranged in a rectangular array; a cage assembly comprising a frame and a float, each frame being arranged on two adjacent floating units, the two ends of the frame being connected to the two ends of the two adjacent floating units, and a plurality of floats being fixedly arranged below the frame; a plurality of oyster cages being hung on the frame for oyster culture; and a cleaning assembly comprising a mounting frame and a cleaning mechanism, the mounting frame being connected to the floating assembly, the mounting frame being capable of swinging relative to the floating assembly, a plurality of the cleaning mechanisms being arranged at intervals along the mounting frame, each cleaning mechanism being capable of contacting at least two adjacent oyster cages, and / or each oyster cage being capable of contacting at least one cleaning mechanism. Compared with the prior art, the cleaning assembly of the present application can clean the oyster cages under the action of water flow and wind waves, thereby extending the time interval for cleaning the oyster cages on water to 3-6 months.

The utility model relates to the technical field of manure leakage plates, in particular to a drawable cage culture plastic manure leakage plate which is characterized in that a supporting mechanism is limited and fixed through a limiting mechanism, then livestock is supported through the supporting mechanism, the livestock and manure are conveniently separated, meanwhile, close-range ventilation is carried out on the livestock through a ventilation mechanism, and the manure leakage effect is improved. The practicability of the excrement leakage plate is improved; comprising a supporting mechanism; the device further comprises a limiting mechanism and a ventilation mechanism, the supporting mechanism is installed on the limiting mechanism, and the ventilation mechanism is installed on the supporting mechanism. The limiting mechanism is used for limiting the supporting mechanism, the supporting mechanism is used for supporting livestock, and the ventilation mechanism is used for providing fresh air for the livestock.

The application discloses a method for typhoon disaster prevention and rapid recovery after disaster in deep-sea net cage culture, which comprises the following steps: before the disaster, an unmanned aerial vehicle is used to take aerial photos of the water surface structure of the net cage by carrying a high-definition camera, and an underwater robot is used to collect underwater images by layer scanning through a sonar, so that structure data and fish school data before the disaster are generated; weak points such as framework, netting and anchor chain are analyzed and repaired and reinforced through three-dimensional modeling, the stocking density is optimized in combination with typhoon information, the risk of facility damage and fish loss is reduced, and after the disaster, the structure data and fish school data are repeated, the degree of framework damage, netting damage, anchor chain breakage and fish escape or death is compared and evaluated by taking the data before the disaster as a reference, and a grading repair scheme and disaster relief plan are generated. Through the cooperation of multiple devices and data fusion, the detection accuracy and evaluation efficiency are improved, the damaged parts are quickly located, and the recovery strategy is optimized, so that an efficient disaster prevention and reduction and rapid recovery solution after disaster is provided for the deep-sea net cage culture.

The utility model provides a poultry cage culture temperature control device which comprises a bottom plate and is characterized in that the top of the bottom plate is fixedly connected with an excrement receiving box, the temperature in a cage body is sensed through a temperature sensor, when the temperature in the cage body is too low, the temperature sensor sends a signal to a controller, and the controller controls a heating rod to conduct heating; according to the poultry breeding cage, poultry is fed into a cage body, a draught fan is controlled to rotate, the draught fan blows hot air flow into the cage body through a ventilation net, the temperature in the cage body is adjusted, and the problem that poultry is likely to get ill or die when the temperature difference change is large is avoided; a threaded rod drives a threaded sleeve to move under the action of threaded connection, so that a welding rod and a brush plate are driven to move, the brush plate scrapes excrement accumulated in an excrement receiving box, and the excrement falls into a drawing box through a notch to be treated uniformly, so that bacteria are prevented from breeding, and the health of poultry is prevented from being influenced.

The utility model discloses a feed leakage prevention device for laying ducks, and belongs to the field of laying duck cage culture equipment. Comprising a movable feeding frame, a plurality of feeding hoppers arranged on the movable feeding frame and feeding boxes matched with the feeding hoppers in number. A baffle plate is arranged at an output port of the feeding hopper; a box bottom plate is arranged on the feeding box in a sliding mode. The movable feeding device has the beneficial effects that the three feeding hoppers are arranged on the movable feeding frame according to the layers of the coops, the three feeding hoppers are communicated through the first discharging plate and the second discharging plate, feed can be directly added into the three feeding hoppers, then the output ends of the three feeding hoppers are controlled through the material blocking plate, and the cost of the movable feeding device can be reduced; according to the device, the feeding box is improved, so that the box bottom plate of the feeding box can be drawn out, and subsequent cleaning is facilitated.

The application discloses a kind of marine net cage breeding state monitoring and cleaning device, including state monitoring module and ring net cage cleaning module, state monitoring module includes base, folding mechanism and monitoring execution device, ring net cage cleaning module includes annular track, ring net cage movement device, retractable platform, turnover mechanism and collection device. Through state monitoring module, image video data and breeding environment parameter data in net cage (on water surface and at different depths and angles under water surface) are collected in real time, so that the growth of fish population in net cage, the accumulation of water surface floating objects and the integrity of net can be understood at any time by breeding personnel, automatic monitoring and cleaning are realized, the need for manual inspection is reduced, thereby reducing transportation cost and labor cost;Through ring net cage movement cleaning module, automatic cleaning of floating objects in net cage is realized, the efficiency and accuracy of cleaning are improved, and the cleanliness of net cage water surface and water quality safety are ensured.

The utility model discloses a chick foodstuff position adjusting system of brooding equipment, which relates to the technical field of brooding and feeding and comprises brooding cage culture equipment and a foodstuff feeding plate, a linear adjusting component is arranged on a slide rail, a plurality of connecting plates are fixedly connected outside the foodstuff feeding plate, one end of a connecting rod far away from the linear adjusting component is rotatably connected with one connecting plate, and the other end of the connecting rod is rotatably connected with the other connecting plate. Inclined grooves are formed in the connecting plates, and a plurality of bolts penetrating through the inclined grooves are arranged on the brooding cage rearing equipment. Two food feeding modes are provided, the food feeding requirements of chicks of different day ages are guaranteed, the situation that the chicks cannot eat the food is avoided, the gap between the adjusting plate and the food feeding plate can be adjusted according to the actual situation of the chicks, the flexibility of the adjusting plate and the food feeding plate is improved, the convenience of the chicks in food feeding is further improved, growth of the chicks is facilitated, and the chicks are protected from being damaged. And the bending part is arranged at the lower part of the feeding plate, so that the excrement of the chicks at the upper layer can be prevented from falling into the feeding trough at the lower layer to pollute the feed, and the chicks can stand to feed conveniently.

The invention discloses an electronic pod, an unmanned aerial vehicle and a process method for the electronic pod of the unmanned aerial vehicle, and relates to the technical field of unmanned aerial vehicle nacels.The electronic pod is applied to the unmanned aerial vehicle in the field of deep sea cage culture, the unmanned aerial vehicle comprises an unmanned aerial vehicle body and a wire winding mechanism, and the wire winding mechanism is arranged on the bottom side of the unmanned aerial vehicle body; the electronic pod comprises a pod body, a drawing unit, a water temperature profile monitoring unit and an underwater monitoring unit, and the pod body is configured to be connected with the wire coiling mechanism; the drawing unit is arranged above the pod body and is used for drawing a water body sample of the deep sea net cage; the water temperature profile monitoring unit is arranged on one side of the pod body and used for monitoring the water temperature of the deep sea net cage. The underwater monitoring unit is arranged on the pod body and used for monitoring underwater information of the deep sea net cage.

The utility model relates to the technical field of plastic cushion nets, in particular to a cage rearing plastic cushion net which improves installation convenience, replacement convenience and replacement efficiency and reduces operation complexity. Comprising a pad net body which is arranged at the bottom of a breeding cage. The device further comprises a positioning device, a pressing device, a frame body, a shell, a reel and a through groove, strip-shaped through holes are formed in the left end and the right end of the frame body respectively, a groove is formed in the inner side wall of the frame body, the pad net body penetrates through the strip-shaped through holes of the frame body and the interior of the groove, the shell is installed at the right end of the frame body, and the positioning device is arranged on the shell. The rear end of the reel is rotatably installed in the shell through a positioning device, the right portion of the pad net body is wound on the outer side wall of the reel, the through groove is formed in the shell and the frame and communicated with the groove and the strip-shaped through hole of the frame, and a pressing device is arranged on the frame and used for pressing and fixing the pad net body.

The invention relates to the technical field of aquaculture, in particular to a land-sea relay breeding method for Pseudosciaena crocea of the sal family. Through the land-sea relay breeding mode of land-based factory fry breeding, land-sea transition domestication and deepwater net cage breeding, the defects of a single environment breeding mode can be effectively overcome, and the growth efficiency, the health level and the product quality of the Pseudosciaena crocea in all stages are improved; and the overall economic benefit and market competitiveness of the industry can be greatly improved, and the method has remarkable popularization and application value and wide development prospects.

The invention relates to the field of weever culture, and provides a weever cage culture method, which comprises a support and a fish culture pond provided with a first fish culture chamber, a second fish culture chamber and a third fish culture chamber, the bottom of the pond is an inclined part inclined along the third fish culture chamber, ports are arranged among the chambers, the third fish culture chamber comprises a fishing net and a fishing device, each chamber is provided with a constant temperature, oxygen and water adding system and a drain valve, and the top of the pond is provided with a sun shield. Breeding is divided into three stages, wherein the temperature is accurately controlled to be 18-20 DEG C in the egg hatching and fry rearing stage, egg yolk emulsified feed is fed, and medicated bath is conducted in stages; respectively culturing in three fish culture chambers, gradually raising the temperature to 28-30 DEG C in the adult fish growth period, and feeding crushed feed; gradually reducing the temperature to 15-25 DEG C in the spawning period of adult fishes, regulating and controlling illumination, and feeding immunity enhancing feed containing beta-glucan and vitamin C; sequentially fishing and collecting roes after spawning, cleaning each chamber, and circularly culturing. The water quality is detected every month, ammonia nitrogen and nitrite are guaranteed to reach the standard, efficient and healthy breeding is achieved, and the technical problem that the perch breeding effect is poor is solved.

The present application relates to a kind of green fin Pterois marina cage culture feed feeding device and method for use, belong to the field of feed feeding device of aquaculture, the device includes net bag, sinker and suspension device, the net bag is the olive ball shape of diameter 40-100 centimeter, the upper end of net bag has a ring-shaped cable rope telescopic mouth, telescopic mouth diameter is 40-100 centimeter, lower end is closed design, bottom is equipped with sinker.The feed feeding device can be hung in the rope of the rope of the hook of the float or by two ends can be buckled hook and hung in the net cage suspension water.The present application device makes green fin Pterois marina fully feed feed, meet its normal growth nutritional requirement in the process of cultivation, guarantee the sustained and healthy development of green fin Pterois marina culture.

The utility model relates to broiler feeding technical field discloses a broiler cage automatic chicken bottom plate net, including frame, the front end right side outer wall of frame is installed with first motor, the right side inner wall fixed connection of frame has the fixed plate, the drive end fixed connection of first motor has the thread rod, the front and back both ends outer wall of thread rod all are threadedly connected with the sliding block, the bottom all fixed connection of sliding block has the connecting block no.

The utility model provides a cage culture duck spraying bathing device which comprises a water tank fixed on a wall body, a carrying trolley is arranged on the water tank, a water pump is fixedly installed on the carrying trolley, a water inlet pipe of the water pump extends into the water tank, the tail end of a water outlet pipe of the water pump is fixedly connected with a spraying head, and the spraying head is fixedly connected with a water outlet pipe of the water pump. Two sets of walking wheels are arranged at the bottom end of the carrying trolley, the carrying trolley is provided with a driving mechanism, and the driving mechanism is used for driving one set of walking wheels. The water tank is installed above the duck cage, the carrying trolley is arranged on the water tank, the water pump is driven by the carrying trolley to move left and right along the water tank, water in the water tank is sprayed into the duck cage through the spray head, the duck cage is cooled, ducks are bathed, disinfectant can be added into the water tank, and the disinfection and epidemic prevention effects are achieved.

The invention discloses an automatic cage pouring device based on a split type scallop cage and application of the automatic cage pouring device. The device comprises a rack, a split type scallop cage, a crown block system used for hoisting the split type scallop cage, a scallop cage conveying system arranged on the rack, a scallop cage unfreezing system acting on the split type scallop cage, and a reversing system for receiving the scallop cage conveyed by the scallop cage conveying system, the vibrating system is used for receiving the scallop cages reversed by the reversing system, and the culture object harvesting box is positioned below the reversing system and the vibrating system. The scallop cage unclamping system comprises a pair of arc-shaped bearing grooves and at least three sets of connecting buckle unclamping mechanisms. The calipers are composed of sliding arms, movable arms, bearings, springs and clamping teeth. The clamping and pressing mechanism comprises a fixing frame, a stroke motor and a pressing rod fixedly connected to the output end of the stroke motor. Automation of the harvesting and cage dumping process of raft cage culture is achieved, manpower and material resources are greatly saved, and convenience and practicability are achieved.