29 results about "Seagrass" patented technology

The present invention discloses an anti-scour system for an offshore wind power pile foundation, comprising a chassis, wherein anti-slip edge teeth are fixedly connected at equal intervals around the bottom of the chassis, a diversion mechanism is provided on the top of the chassis, a mounting mechanism is provided on the top of the diversion mechanism, and anti-loss mechanisms are provided on both sides of the chassis. The beneficial effects of the present invention are as follows: the undercurrent of seawater can be diverted by the diversion mechanism to flow upward or downward, thereby washing away or carrying away the mud and sand on the top of the chassis, thereby playing the role of cleaning the mud and sand, and preventing the accumulation of mud and sand from corroding the chassis; the mounting mechanism facilitates better fixing the equipment on the seabed surface to prevent the equipment from shaking or detaching; the anti-loss mechanism facilitates better reinforcement of the mud and sand on the seabed near the equipment to prevent the mud and sand from loosening and causing the equipment to shake and detach; at the same time, the formed seaweed or other marine plants can also play the role of shielding mud and sand, and prevent the mud and sand from impacting the pile foundation and causing corrosion and wear.

The invention relates to the technical field of ecological breeding of scylla paramamosain and protection and restoration of mangrove forests. The invention provides a method for culturing scylla paramamosain by using mangrove forest, which comprises the following steps: (1) carrying out simple engineering transformation on the basis of a coastal wetland traditional culture pond, constructing a planting island in the middle of the culture pond, and reserving an annular tidal creek between the planting island and the periphery of the culture pond; (2) planting mangrove plants in the planting island to form a man-made forest; (3) small aquatic plants are planted at the bottom of the artificial forest, and large algae are planted in the annular ditches; and (4) putting the young blue crabs into the culture pond, and carrying out daily management until the blue crabs are harvested. The shellfish is used for providing main food supply for the blue crabs, and meanwhile water is purified; excrement of the blue crabs can be fed back to promote growth of mangroves, algae, mussels and the like; large algae can perform photosynthesis at the bottom of the pond to increase dissolved oxygen in water, and small sea grass is placed in the planting island to make up for the defect of low coverage of newly planted mangrove forest plant seedlings.

The invention discloses multifunctional sea grass cultivation equipment, and relates to the technical field of sea grass cultivation. The sea grass breeding mechanism is arranged at the bottom of the buoy mechanism and comprises a connecting frame and a breeding frame, the whole breeding frame is conical and spirally surrounds the connecting frame, the upper end of the breeding frame is fixedly connected with the connecting frame so that the lower portion of the breeding frame can shake up and down, and a damping mechanism is arranged between the lower end of the breeding frame and the connecting frame. Sea grass is cultivated through the upper conical spiral frame, the stability of the spiral frame is improved, the illumination condition of the sea grass is met, oysters are cultivated on the lower portion of the sea grass through the lifting rope, and cooperative growth of the sea grass and the oysters is promoted. The sea grass culture and the aquaculture are integrated, the sea grass carbon sink capacity and the marine fishery economic value can be increased in the same unit area, and meanwhile the equipment has the marine environment monitoring capacity through various water quality sensors in the equipment.

The utility model relates to a biological reef structure for transplanting sea grass. The method is suitable for the technical field of marine ecological protection and restoration. The technical problem to be solved by the application is to provide a biological reef structure for transplanting sea grass. According to the technical scheme, the biological reef structure for transplanting the sea grass is characterized in that the biological reef structure comprises a biological reef single body which is of a triangular structure, a hollow frame is arranged on the surface of the top of the biological reef single body, and the hollow frame is used for providing a growth space of the sea grass and a cultivation and inhabitation environment of marine organisms; a plurality of through holes used for binding seaweed rhizomes are formed in the bottoms of the biological reef single bodies; the sea grass bed is arranged in the hollow-out frame, and planting covering soil capable of covering rhizomes of the sea grass bed is arranged in the hollow-out frame; the stabilizing piles are arranged at the bottoms of the single biological reef bodies, and the stabilizing piles are used for being inserted into the seabed to stabilize the single biological reef bodies.

The utility model discloses a binocular recognition robot for fishing and weeding sea cucumbers, and relates to the technical field of underwater fishing and weeding robots. Comprising a diving device, and the bottom of the diving device is connected with a mechanical arm through a mechanical arm connecting device; the mechanical arm comprises a first-stage connecting rod arranged at the bottom of the diving device, the end, away from the mechanical arm connecting device, of the first-stage connecting rod is rotationally connected with a second-stage connecting rod, and the end, away from the first-stage connecting rod, of the second-stage connecting rod is rotationally connected with a third-stage connecting rod The end, away from the second-stage connecting rod, of the third-stage connecting rod is rotationally connected with a mechanical claw used for fishing sea cucumbers and cleaning sea grass. The diving device can serve as a power source, can move on the water surface and underwater, can ascend or descend underwater, and can drive the mechanical arm to swing, so that the mechanical claw can clean sea grass and catch sea cucumbers, the sea grass and the sea cucumbers can be accurately recognized, traditional manual underwater fishing operation is effectively replaced, and the sea cucumber fishing efficiency is improved. The operation risk is obviously reduced; and the fishing efficiency is improved.

The application provides a light beach grass planter and fish reef device, which comprises a bamboo cylinder and a grass blanket sleeved on the periphery of the bamboo cylinder. The bamboo cylinder comprises a cavity section, a filling section and an insertion section which are sequentially communicated from top to bottom. The cavity section is open at the top and a plurality of holes are arranged on the side wall. The filling section is filled with planting soil. The bottom of the insertion section is V-shaped. The grass blanket is arranged at the joint of the filling section and the insertion section. The application also provides a mounting method of the light beach grass planter and fish reef device. The planter and the fish reef are combined by the bamboo cylinder and the grass blanket, which can provide the planting and growing space of aquatic plants and provide the suitable benthic environment and food source for benthic organisms.

The invention relates to the technical field of micro-plastic collecting ships, and discloses offshore ocean shallow micro-plastic collecting equipment which comprises a ship body and a floating body below the ship body, a photovoltaic panel is arranged on the ship body, a water pump driven by a motor is arranged in the ship body, the front end of a suction pipe is connected with a conical net, and the radial end of the suction pipe is connected with a calandria to lead to a collecting barrel. A rotating protection part is arranged on the outer side of the suction pipe, comprises a turbine driven by water flow, a supporting rod and a rotating wheel and can drive the conical net to rotate to prevent blockage. A garbage collecting part is arranged behind the suction pipe and composed of a collecting basket and a winding and pulling piece, and garbage and sea grass in the collecting basket can be lifted and recycled under the action of rope winding of a winding wheel. A grinding protection part is arranged at the bottom of the ship body and comprises a horizontally-movable rotating supporting piece and a grinding driving piece, and the grinding driving piece is driven by the rotating wheel to grind away organisms attached to the bottom of the floating body through a bevel wheel and a friction belt structure. The device can prevent the filter screen from being blocked while collecting the micro-plastics, remove attachments at the bottom of the ship, improve the working efficiency and prolong the service life of equipment.

The present application relates to the technical field of marine ecological environment monitoring and carbon sink evaluation, in particular to a kind of island carbon sink data investigation system and method based on carbon storage evaluation, including island habitat basic data acquisition module, dynamic carbon storage monitoring module, carbon sink capacity quantification module, carbon sink potential mapping module and sink-increasing decision output module;Among them: island habitat basic data acquisition module: for synchronously obtaining island terrestrial vegetation distribution, seaweed bed boundary coordinates and seaweed field biomass information;Dynamic carbon storage monitoring module: for simulating island actual illumination, salinity and water flow conditions, determining carbon storage value at each growth stage;Carbon sink capacity quantification module: generate island annual carbon sink capacity quantification table.The present application, through land-sea integration dynamic monitoring and quantitative evaluation, realizes the complete and accurate calculation of island multi-source carbon sink and outputs sink-increasing decision scheme with cost-benefit comparison.

The application relates to a seaweed seed injection device and method, and relates to the technical field of marine ecological restoration. The device mainly comprises a driving mechanism, a driving connecting rod, an injection rod, a seed mud bin, an injection screw, an injection nozzle, a spring, a mechanical damping part and the like. In operation, the device is automatically loaded on an operation platform, mud and sand are used as the medium for carrying seaweed seeds, and the seeds are injected into the seabed through the screw feeding injection. The seed mud injected into the seabed can be timely buried and sealed in the seabed substrate. Compared with the traditional pneumatic injection and water pressure injection, the device can accurately control the quantity of seed sowing and ensure the stability of the injection operation. In addition, the device uses the mechanical damping part to feed back the damping signal to control the sowing depth of the seaweed seeds, which is simple and reliable and helps to greatly improve the emergence rate of the seaweed seeds.

The invention relates to the technical field of offshore photovoltaic transportation, and provides an offshore photovoltaic platform transfer device which comprises a ship body, the bottom of the ship body is rotationally connected with a connecting shaft, the two ends of the connecting shaft are fixedly connected with reciprocating lead screws, the opposite ends of the two reciprocating lead screws are fixedly connected with short rods, and the short rods are fixedly connected with the bottom of the ship body. Rotating plates are fixedly connected to the opposite ends of the two short rods, movable strips are slidably connected to the outer surfaces of the two reciprocating lead screws, long holes are formed in the outer surfaces of the two movable strips, a limiting rod is fixedly installed at the bottom of the ship body, and the two movable strips slide on the outer surface of the limiting rod. The perforated plate is located on the surface of the groove, sea grass in front of the ship body and garbage floating on the water surface can be pushed to the two sides, influence on advancing of the ship body is prevented, and meanwhile water grass is prevented from entering propellers of the ship body to influence operation of the propellers.

The present application relates to satellite remote sensing image technical field, disclose a kind of seaweed distribution map drawing method and device, including obtaining the time series remote sensing image of to be identified area, based on water body index of each satellite remote sensing image therein, select sea-land separation boundary, construct time series marine area remote sensing image;Using multiscale segmentation method obtains multiple homogeneous patches in each marine area remote sensing image, and is classified;The region of all homogeneous patches belonging to marine water green plant type therein is obtained, as greenery area remote sensing image;Based on the red light band reflection value and the first vegetation red edge band reflection value of each greenery area remote sensing image, calculate submergence seagrass spectral index, to mark suspected seagrass pixel;The amplitude dispersion index of each suspected seagrass pixel point is calculated, and target seagrass pixel point is selected;Extract target seagrass pixel point of all greenery area remote sensing image in time series greenery area remote sensing image, and draw seaweed distribution map.

The utility model relates to a kind of seaweed seedling rope transplanting device and operation method, and it relates to marine ecological restoration technical field.The seaweed seedling rope transplanting device mainly includes supporting walking structure, seedling rope guide frame structure, seedling rope transplanting structure three parts, and the seedling rope transplanting structure includes plough blade assembly, soil covering structure, compaction wheel and other components again;The device is close to seabed surface walking operation by dead weight, with rope belt as medium series binding seaweed artificial seedling or transplanting bundle unit, is sequentially conveyed in C-shaped groove opened by plough blade assembly by guide structure effect, and after burying by soil covering structure and compaction, compaction wheel compaction, completes transplanting operation, it can be assisted by manpower construction, or by ship or raft dragging is carried out automatic large-scale operation, equipment structure is simple, offshore construction operation is convenient, and sea state adaptability is strong, and transplanting unit will not be lost, and transplanting depth standard specification, greatly reduce operating intensity, improve operation efficiency, improve transplanting seedling rate.

The invention relates to the technical field of marine ecological restoration, in particular to a seaweed seed sowing device suitable for a shallow sea area. The device comprises a walking rack, a seeding mechanism and a crushing mechanism, the walking rack is arranged on a seabed and is used for walking on the seabed; the sowing mechanism comprises a seed conveying assembly and a plough share, the seed conveying assembly is vertically installed in the walking rack, the top of the seed conveying assembly penetrates through the top of the walking rack, the plough share is fixedly installed at the bottom of the seed conveying assembly and used for ditching on a seabed, and the seed conveying assembly is used for conveying seaweed seed mud pills into ditches formed by the plough share; the crushing mechanism comprises a first mounting frame and a crushing assembly, and the crushing assembly is fixedly mounted on the seed conveying assembly through the first mounting frame and used for crushing hard objects and pre-loosening soil. By means of the crushing assembly, hard objects in the seabed can be crushed in advance before ditching is conducted on the seabed, and the situations that the plough share collides with the hard objects in the seabed, and consequently the plough share deforms, cutting edges are passivated and the like are avoided.

The invention belongs to the technical field of ocean carbon resource accounting, and provides an unmanned aerial vehicle and underwater robot collaborative ocean carbon sink resource accounting method and system, and the technical scheme is as follows: obtaining unmanned aerial vehicle hyperspectral data and corresponding underwater robot two-dimensional sonar data in the same region and the same time period; based on the hyperspectral data of the unmanned aerial vehicle, extracting spectral information of seaweed and sea grass; target detection is carried out based on underwater robot two-dimensional sonar data to obtain a seaweed and sea grass target detection result; according to the seaweed and seaweed target detection results, checking and adjusting a classification result based on highlight data in combination with geographic coordinate association to obtain an optimized hyperspectral classification result; and based on the optimized hyperspectral classification result, calculating to obtain respective coverage areas of the sea grass and the seaweed.

1.The name of the design product: handicraft (seagrass house). 2.The use of the design product: the design product is used for placing and viewing handicraft. 3.The design points of the design product: the combination of shape, pattern and color. 4.The picture or photo that best shows the design points: perspective view. 5.The design claimed contains color.

The invention provides a method for restoring an eel grass sea grass bed in a gravel substrate sea area, and belongs to the technical field of marine ecological restoration. The invention provides a method for repairing an eel grass bed in a gravel substrate sea area, which comprises the following steps of: excavating a circular pit body in the gravel substrate sea area to form a single repairing unit, and accumulating a matrix generated by excavating the circular pit body on a near-shore side and an offshore side of the repairing unit to form a plurality of submerged embankments; after the inner wall of each repairing unit is covered with an improved matrix, eelgrass plants are transplanted into the repairing units, and eelgrass seeds are sown into the repairing units. According to the method, through terrain transformation, substrate improvement, plant transplanting and seed sowing, a suitable growth environment is provided for eelgrass, the repairing effect of the eelgrass sea grass bed in the gravel substrate sea area is effectively improved, and the method is suitable for large-scale repairing of the eelgrass sea grass bed in the gravel substrate sea area.

The present application relates to the technical field of microplastic collecting ship, and discloses a near-shore ocean shallow layer microplastic collecting device, which comprises a ship body and a float below the ship body, the ship body is provided with a photovoltaic panel, and a water pump driven by a motor is arranged in the ship body; a suction pipe is connected with a conical net at the front end and connected with a discharge pipe at the radial end, and the discharge pipe is connected with a collecting barrel; a rotating protection part is arranged on the outer side of the suction pipe, and the rotating protection part comprises a turbine driven by water flow, a supporting rod and a rotating wheel, and can drive the conical net to rotate to prevent blockage; a garbage collecting part is arranged behind the suction pipe, and the garbage collecting part comprises a collecting basket and a winding member, and can lift and recycle the garbage and seaweed in the collecting basket under the action of the winding wheel; and a grinding protection part is arranged at the bottom of the ship body, and the grinding protection part comprises a translatable supporting rotating member and a grinding member, and the grinding member can grind the attached organisms on the bottom of the float under the driving of the rotating wheel through an inclined angle wheel and a friction belt structure. The device can collect microplastics, prevent filter screen from being blocked, remove the attached organisms on the bottom of the ship, and improve the operation efficiency and the service life of the device.

The invention discloses a sea intestine industrialized seedling breeding and culturing facility which comprises a seedling breeding box and further comprises a bearing assembly installed on the inner wall of the seedling breeding box, a sand layer is laid on the bearing assembly, a plurality of simulation assemblies distributed at equal intervals are rotatably installed on the bearing assembly, and a piston pump is installed on the outer wall of one side of the seedling breeding box; the water inlet end of the piston pump is connected with a water inlet pipe. According to the industrial sea intestine seedling breeding and culturing facility, through cooperative linkage of multiple assemblies, the natural inhabiting tidal environment of sea intestines and the micro-motion state of sea grass are accurately simulated, a dynamically-matched attachment space is provided for larvae, and the metamorphosis attachment effect of the larvae is effectively improved. The water flow circulation design can loosen the sand layer, supplement dissolved oxygen in water, avoid hardening and oxygen deficit of the sand layer, and perfectly adapt to the sand drilling habit of larvae. The stirring assembly can stir bait into uniform turbid liquid, the turbid liquid permeates into gaps of a sand layer along with water flow, and the ingestion requirement of the sand larvae is guaranteed. The water flow intensity can be flexibly adjusted to meet the survival requirements of larvae in different growth stages.

The present application relates to the field of ecological restoration, and more particularly to a method for restoring the ecology of a coastal wetland, which comprises the following steps: removing invasive species from the area to be restored; laying an ecological restoration substrate; planting the sea grass in a cluster-strip composite pattern; introducing biological communities in batches every two months; setting up a tidal response system and an intelligent monitoring platform to monitor the condition of the area to be restored; and the ecological restoration substrate comprises 40% oyster shells, 40% coral sand and 20% bentonite. The method for restoring the ecology of a coastal wetland provided by the present application forms an "algae-grass barrier" by planting sea grass and eucheuma alternately, effectively improves the water transparency and promotes photosynthesis; the disturbance behavior of benthic animals such as sea cucumbers enhances the oxygen penetration depth and oxidation-reduction potential (Eh) of the sediments, and improves the bottom environment; and the gradient buoyancy planting device realizes tidal self-adaptation, ensuring the stable growth of the sea grass under different water level conditions.

An automated device and method for pre-forming seagrass seed pellets relates to the field of marine ecological restoration technology, particularly to the field of seagrass bed ecological restoration technology. The device mainly includes: a substrate preparation and feeding structure, a seed preparation and feeding structure, a pellet forming structure, and a pellet tray loading structure. In this device, seagrass seeds are introduced into the pellet core via clay, ensuring uniform seed feeding and preventing hollow pellets or excessive seed waste. Furthermore, the pellet size can be adjusted according to the diameter of the discharge tube from the core pellet column, and the seed encapsulation density can be adjusted by the ratio of clay to seed in the seed formulation, making operation convenient. This automated device pre-forms seagrass seed pellets, replacing manual preparation, offering high efficiency and low cost, and meeting the needs of large-scale seagrass seed sowing.

This invention discloses a seagrass seed rope laying and sowing robot and method, relating to the field of marine ecological restoration technology. It includes a mounting platform, a seed rope laying structure, and a hydraulic transmission structure, both integrated on the mounting platform. The mounting platform also integrates a frame, a bottom-feeding walking mechanism, a power supply and control mechanism, underwater illumination, cameras, and sensors. In this invention, seagrass seeds are pre-treated and wrapped in yarn to form seed ropes, which serve as the sowing medium. The laying structure, with its rhomboid external shape and internal seed rope conduit, along with a special laying tube, hydraulic transmission, spring structure, sliding plate structure, and counterweight structure, automatically lays the seed ropes as the mounting platform moves. Simultaneously, the laying depth is controlled. The seagrass seed sowing device and method disclosed in this invention are simple and reliable, enabling large-scale automated mechanical operations. Accurate sowing depth control significantly improves the germination rate of seagrass seeds.

This application discloses a floating wind turbine anchor chain assembly structure without tensioner, comprising: a first bottom chain made of steel chain; a nylon cable made of nylon rope connected to the first bottom chain; a top anchor chain made of steel chain connected to the nylon cable; and a mid-water buoy installed between the first bottom chain and the nylon cable to provide buoyancy. The first bottom chain, nylon cable, and top anchor chain constitute an anchor chain assembly connecting the suction anchor and the floating wind turbine foundation. Since no tensioner is installed on the anchor chain assembly, and a mid-water buoy is installed between the first bottom chain and the nylon cable to improve buoyancy, the mid-water buoy offsets part of the overall downward weight of the anchor chain, solving the problem that anchor chains with tensioners are prone to snagging and tangling with seaweed and other debris in the seawater, increasing the overall downward weight of the anchor chain in the seawater.

The utility model discloses an ocean pile foundation anti-scour protection device, which relates to the technical field of offshore pile foundation engineering, and comprises a pile foundation, an attachment mechanism is arranged on the outer wall of the pile foundation, a protection seat is arranged at the bottom of the pile foundation, a fixed bottom plate is arranged on the outer wall of the protection seat, and a turbulent flow mechanism is arranged at the top of the fixed bottom plate. And a bionic sea grass mechanism is arranged on the outer wall of the fixed bottom plate. Through cooperation of the fixing plate, the first connecting piece, the shrinkage pipe, the supporting rod, the second connecting piece, the spoiler and the grating, when ocean current impacts the pile foundation, the ocean current can be shunted by the grating arranged on the surface of the spoiler, when the ocean current is too large, the spoiler rotates around the fixing plate, the second connecting piece is driven to extrude the supporting rod, and therefore the pile foundation is protected. The supporting rod slides on the inner wall of the contraction pipe to extrude the reset spring, the contraction pipe rotates around the first connecting piece to form a triangle so that ocean current can be divided into two halves, ocean current impact is relieved, damage to the turbulent flow mechanism is relieved, the structure is simple, practicability is high, and the service life is long.

The invention discloses an online intelligent monitoring system and method for plankton and environmental parameters of a sea grass bed ecosystem, and relates to the technical field of sea grass bed ecological monitoring, the intelligent monitoring system comprises a sea grass bed underwater intelligent monitoring terminal, a data communication transmission module and an intelligent analysis and visualization platform decision system; and the sea grass bed underwater intelligent monitoring terminal is used for shooting planktons in real time, intelligently identifying, counting and monitoring multiple environmental parameters, acquiring sea grass bed images and monitoring the planktons, the environmental parameters and the sea grass bed in real time. By integrating the high-resolution microscopic camera, the intelligent image recognition technology and various environmental parameter sensors, the plankton type and density, water temperature, salinity, dissolved oxygen, pH value and other key environmental parameters are monitored in real time, and compared with a traditional manual sampling and laboratory analysis method, the system greatly improves the monitoring efficiency and reduces the monitoring cost. Personal errors are reduced, and the accuracy and reliability of monitoring data are ensured.

The present application provides a kind of inhibiting symbiotic algae and biological artifact seaweed bed unmanned plane identification method, belong to marine ecological technical field, the present application is by using low altitude unmanned plane to obtain digital orthophoto map, convert red green blue three channel data into hue-saturation-normalized reflectance component space to separate illumination component, using seaweed spectrum adaptive identification model to evaluate scene complexity and dynamically adjust discrimination threshold, through full constraint linear spectral unmixing screening seaweed abundance greater than threshold pixel, with biological artifact elimination condition with red algae hue suppression condition with logical non-operation embedded in multi-dimensional logic discrimination model output binary seaweed mask matrix, then utilize depth layer correction to normalized reflectance component threshold using depth raster chart, finally through sliding window algorithm to generate seaweed coverage grade distribution map, solve the symbiotic algae and biological artifact interference resulting in seaweed bed unmanned plane identification false positive rate high technical problem.

The present application relates to the technical fields of marine environmental protection, and particularly relates to a heavy metal treatment device for a seaweed protection area used for marine environmental protection, a fixed outer frame is installed at the top edge end of a stable bottom frame, an outer protective net is embedded and installed on each of the four sides of the fixed outer frame, a floating inner frame is slidably connected to the inner side of the fixed outer frame, an inner protective net is embedded and installed on each of the four sides of the floating inner frame, a plurality of groups of limiting clamping grooves are equidistantly formed on the front and rear side edge ends of the fixed outer frame, a partition net plate is embedded and connected in the inner side of the limiting clamping groove, the floating inner frame can be driven to rise and fall by the buoyancy of the hollow floating block and the top floating frame, the hollow floating block and the top floating frame mainly adaptively float according to the depth of seawater, so that the floating inner frame can adjust its use height according to the depth of seawater, and the floating inner frame can be suitable for seawater with different depths, and thus it can better protect seaweed with different growth heights.

The application relates to the technical field of offshore photovoltaic transportation, and provides an offshore photovoltaic platform transfer device, which comprises a ship body, the bottom of the ship body is rotationally connected with a connecting shaft, the two ends of the connecting shaft are fixedly connected with reciprocating lead screws, the opposite ends of the two reciprocating lead screws are fixedly connected with short rods, the opposite ends of the two short rods are fixedly connected with rotating plates, the outer surfaces of the two reciprocating lead screws are slidably connected with movable strips, the outer surfaces of the two movable strips are provided with long holes, the bottom of the ship body is fixedly installed with a limiting rod, the two movable strips slide on the outer surface of the limiting rod, in the application, a multi-hole plate is located on the surface of a groove, seaweed in front of the ship body and garbage floating on the water surface can be pushed to the two sides, the ship body is prevented from being affected during forward movement, and water grass is prevented from entering the propeller of the ship body and affecting the operation of the propeller.

The application discloses a submarine cable broken line position nondestructive detection device, which comprises a moving cabin used for moving outside a submarine cable, a detector for detecting a broken line position and giving an alarm is installed on the top of the moving cabin, and an electric motor is bolted on the inner wall of a first fixed cavity of the moving cabin; a fixed rod is fixed outside a motor shaft, a fixed plate made of metal is fixed in the first fixed cavity on the side of the fixed rod; a valve plate is movably arranged in the moving cabin, a second fixed cavity is formed in the moving cabin outside the valve plate; a sleeve ring is bolted on the bottom of the moving cabin; and a connecting pipe is fixedly connected with one side of a movable block. The submarine cable broken line position nondestructive detection device can clean seaweed, silt and other sundries adhered on the cable during the movement of the detection device, thereby guaranteeing the smoothness of the movement of the device, driving away the marine organisms close to the device and improving the efficiency of detecting the broken line position of the cable.

The utility model discloses an artificial ecological sea grass bed which comprises a sea grass bed body, hanging rings are fixedly installed on the two sides of the lower end of the sea grass bed body, supporting screws are connected to the four corners of the lower end of the sea grass bed body in a penetrating and threaded mode, and ground nails used for being drilled into the seabed ground are welded to the bottoms of the supporting screws. First limiting sliding rods are fixedly installed on the two sides of the upper end of the seaweed bed body in a supporting mode, adjusting tables are movably connected to the two sides of the upper ends of the first limiting sliding rods in a limiting fit mode, a first adjusting screw rod is rotatably connected to the middle of the upper end of the seaweed bed body through a bearing pedestal in a supporting mode, and adjusting blocks are connected to the outer curved surfaces of the two ends of the first adjusting screw rod in a threaded mode. A limiting sliding groove is formed in the outer side of the adjusting table, and a second limiting sliding rod is fixedly installed at the inner side end of the adjusting table. According to the sea grass bed, the sea grass bed main body is positioned on the seabed ground, and meanwhile, sea grass bed vegetation planted in the planting cylinders can synchronously move outwards or inwards in a straight line in a front-back and left-right mode to adjust the planting distance.