23 results about "Shoal" patented technology

The invention discloses an intelligent prediction method for river beach foundation settlement, and relates to the technical field of crossing of geotechnical engineering and artificial intelligence. During operation of a system, foundation state information is collected through multi-source monitoring equipment, a three-dimensional dynamic environment state space is constructed, and a prediction model is established based on a hybrid neural network; spatial and temporal features are extracted in combination with a bidirectional long-short-term memory network and a graph neural network, and prediction precision is optimized by adopting a multi-objective loss function and an adaptive learning mechanism. And meanwhile, a multi-region collaborative prediction and risk reconciliation mechanism is introduced, so that settlement trend coordination and safe avoidance are realized. According to the method, the foundation settlement behavior can be predicted in real time, the prediction strategy is dynamically adjusted, the prediction accuracy and engineering safety in a complex geological environment are remarkably improved, and an efficient solution is provided for river shoal alluvial layer foundation settlement.

This invention provides a method for characterizing sedimentary microfacies distribution based on comprehensive geological and seismic analysis. By studying the sedimentary environment and surrounding tectonic background of the entire block, this invention calculates the cumulative percentage of channel and shoal body types based on sedimentary microfacies and grain size analysis. Based on a comprehensive analysis of the lithofacies of drill cores and corresponding well logging curves and seismic response characteristics, it establishes a comprehensive response model of the main sedimentary facies-well logging facies of the target stratigraphic group in the study area. Furthermore, based on the fusion of seismic attributes, it characterizes sand bodies in seismic profiles. By integrating the sand body characterization results, the comprehensive response model of sedimentary facies-well logging facies, and the sedimentary microfacies types, a method for characterizing sedimentary microfacies distribution in tight sandstone reservoirs using comprehensive seismic and geological analysis is established.

The application provides a dredging device for treating sewage in a river basin water environment, which comprises a mobile vehicle body, a suction pipe and a moving mechanism. The moving mechanism comprises a walking track, a rotating plate, a mounting plate, a containing box, a first electric push rod, a flexible sleeve, a second electric push rod, a sealing plate, a magnetorheological fluid, an electromagnetic coil and a main control unit. The mobile vehicle body moves on a shoal to perform dredging. If the shoal is relatively soft, the flexible sleeve is abutted against the top surface of the adjusting groove by the first electric push rod, the sealing plate is lifted by the second electric push rod, the magnetorheological fluid in the flexible sleeve is extruded, the magnetorheological fluid can push the flexible sleeve to deform outward, the top surface area of the flexible sleeve is increased, the electromagnetic coil is electrified, under the action of the magnetic field, the magnetorheological fluid becomes solid, the flexible sleeve can remain in a fixed form, finally, the flexible sleeve is transferred downward and contacts the shoal surface, the contact area is increased, the stability of the mobile vehicle body is ensured, the silt is sucked, and the water environment ecology is repaired.

The utility model discloses a detachable device for expanding the lower part of the fish maw of a lead fish for hydrological survey, which is characterized in that two ends of each hoop extend outwards to form two extension parts; a threaded hole is longitudinally formed in each extension part; the plurality of bolt pairs are correspondingly mounted in the threaded holes of the two hoops, and the two hoops are detachably connected; wherein the outer wall of one hoop is further provided with the expansion nut, and the edge of the other hoop is provided with a groove. Through the application of the detachable expansion device for the lower part of the fish maw of the lead fish for hydrological survey, the detachable expansion device adopts the structural design of two hoops, is simple and flexible, can be flexibly detached at any time according to a specific scene of a hydrological implementation site, has the characteristics of convenience in installation, firmness and reliability, and particularly has the characteristics of offshore, offshore, offshore, offshore, offshore, offshore, offshore and offshore environments. The scene that sampling equipment is frequently replaced during hydrological survey shoal sampling improves the detachable flexibility of the device.

The invention discloses a ship navigation collision avoidance method and system based on image fusion and dynamic risk prediction, and the method comprises the following steps: collecting and classifying image samples of reefs, shoals and shipwreck structures, and processing the classified reefs, shoals and shipwreck structures; taking the processed rocks, shoals and shipwreck structures as a training set and a test set; constructing a GoogLeNet deep learning structure, and training the GoogLeNet deep learning structure by using the training set to obtain a trained GoogLeNet deep learning structure; the trained GoogLeNet deep learning structure is used to carry out classification identification on the navigation obstructing structure in the navigation process; according to the method, the convolutional neural network is used for identifying the structures such as rocks, shoals and sunken ships, the identification task can be effectively completed, the identification effect is good, ship collision is avoided, and the danger in the sailing process is further reduced.

The invention relates to the technical field of piling equipment, in particular to an automatic deviation rectifying cylindrical pile drilling device which comprises a drilling mechanism and a deviation rectifying mechanism, and the drilling mechanism works cooperatively through a vibratory hammer, an outer pile casing, a rotary power head, a spiral drilling cylinder and an inner pile casing. Vibration pressing, rotary drilling, soil and stone conveying and hole wall supporting are synchronously completed at a time, the hole forming efficiency is high, and the device is particularly suitable for tidal operation windows of coastal mud flats and shoals. The inner and outer pile casing structure of the device can effectively prevent the hole wall of the soft soil layer from collapsing, a hollow pile body is formed, and concrete is saved while the bearing strength is guaranteed; the deviation rectifying mechanism applies flexible return force through an outer spherical bearing seat, a buffering deviation rectifying sleeve, a corrugated pipe and other assemblies when the outer protective cylinder deflects, automatic and stable deviation rectifying is achieved under the state that drilling is not interrupted, and the perpendicularity of formed holes in soft and uneven foundations is guaranteed.

The invention relates to the technical field of water conservancy projects, and discloses an ecological restoration method and system for a three-side light river channel. The method comprises the following steps: breaking a hardened layer in a layered manner to retain a bottom layer, and laying a microbial preparation-containing water-permeable substrate layer; a deep pool and shoal microtopography is constructed through the roughness coefficient, and ecological steps and honeycomb-shaped grooves are arranged; dividing functional zones, configuring hydrological regulation and control devices, and establishing an artificial wetland matrix; various vegetation is planted in a layered manner according to water depth gradient, and a three-dimensional vegetation community structure is constructed by slowly releasing a regulator. According to the method, the problem that systematic technology integration and precise regulation and control means are lacked in ecological restoration of the three-side light river channel is solved.

The utility model discloses a water area environment detection support convenient to adjust, which comprises a reinforcing plate, the right side of the reinforcing plate is fixedly connected with two connecting strips, the right side of each connecting strip is fixedly connected with a fixing plate, the bottom of the fixing plate is fixedly connected with a connecting seat, and the inside of the connecting seat is in threaded connection with a fastening bolt. And a movable seat is rotationally connected into the connecting seat. According to the utility model, through the use of the adjusting mechanism, corresponding adjustment can be made when a deeper water area is detected, through the use of the clamping mechanism, a detection instrument can be fixed, and the problem that when water area environment detection work is carried out, a detection support needs to be generally placed on a shore or a shoal area, so that the detection is inconvenient is solved. The problems that the whole water area environment detection process becomes complicated and tedious and the water area environment detection working efficiency is greatly reduced due to the fact that the size of the detection support is huge and the detection support is extremely inconvenient to carry are solved, and the water area environment detection device has the advantage of being convenient to detect.

The application discloses a kind of offshore platform fish protection and fishing person drives away method and system, including by score using sound wave emission system sends away fish shoal by driving sound wave;Using soft corrosion-resistant material is blocked in offshore platform column outside, avoid fish class to be hurt;High-definition camera is set around offshore platform, and the fishing person who approaches is photographed;High-pitched loudspeaker is set around offshore platform, and the fishing person is warned and driven away;Fish shoal around offshore platform is driven away by sound wave, so that the fishing person does not fish and leaves voluntarily;Drone circles to the air above fishing person's boat, and plays the warning of driving away is photographed and;The situation that fishing person approaches offshore platform is recorded, and is punished.The method and system of the application can drive away fish shoal around offshore platform, avoid fish class to be hurt, and can drive away fishing person simultaneously, record illegal fishing, protect fish class while eliminating the danger brought by fishing person approaching offshore platform.

The invention provides a wave spectrum estimation method and device based on a dynamic dispersion factor, and the method comprises the following steps: obtaining an ADCP speed sequence of continuous time, obtaining a vertical speed power spectrum based on the ADCP speed sequence, and obtaining complex value frequencies, wave numbers and depths of different frequency points; taking the complex value frequency, the wave number and the depth corresponding to the same frequency point as a group of input vectors, and inputting a plurality of groups of input vectors into a pre-trained dynamic dispersion factor prediction model in a batch input mode to obtain dynamic dispersion factors; and correcting the wave number of each frequency point by using the dynamic dispersion factor to obtain a corrected wave number, and obtaining the wave spectrum of the ADCP speed sequence based on the corrected wave number. According to the scheme, the dynamic dispersion factor is predicted by using complex value Transform network modeling, so that the frequency spectrum estimation precision and the wave parameter stability are improved under the condition of water depth change, and better technical support is provided for wave observation of complex water areas such as coastal areas and shoals.

The invention discloses a river channel large-section measurement method based on airborne laser radar and unmanned ship depth measurement. The unmanned aerial vehicle carries a laser radar to scan landforms on both banks, and the unmanned ship equipped with a single-beam depth finder is synchronously utilized to obtain underwater landforms; the data is subjected to space-time reference unification, point cloud calculation and classification and underwater data post-processing, fusion is carried out in a point cloud data processing system, and large-section data extraction and generation are carried out. Through man-machine cooperation, a 24 km river channel large-section task is completed in 3 days, and compared with a traditional RTK + manned ship depth finder, the efficiency is improved by 5 times. The method is suitable for large-scale river channel large-section measurement work, and is especially suitable for complex environments such as cliff steep banks, shoals, torrent and the like where manpower or manned ships cannot reach, the safety of operators is improved, and centimeter-level three-dimensional data is provided for water conservancy planning, flood control and disaster relief and engineering construction.

The present invention relates to the field of fishing, and more particularly to devices for controlling sonar transducers for studying the bottom topography of a body of water and detecting fish shoals or individual fish. A rotator for controlling a sonar transducer comprises: a first housing (7) having a first electric drive (8) mounted therein, said drive being mechanically connected to a shaft (11) with a sonar device thereon; a second housing (9) having a second electric drive (10) mounted therein, said drive being mechanically connected to a pointer handle (12, 14); and a control system. The control system is configured to be capable of providing for rotation of the second electric drive (10) upon rotation of the first electric drive (8), and vice versa. The technical result is that of reducing mechanical load on the electric drive for rotating the shaft and the pointer handle, thereby increasing the failure-free operating life of the device, while maintaining pointing accuracy with respect to an object of interest.

The invention belongs to the technical field of bridge construction equipment, and particularly relates to a shoal steel trestle steel pipe pile foundation guide hole operation platform and a construction method.The shoal steel trestle steel pipe pile foundation guide hole operation platform comprises a platform body, four supporting legs and an automatic leveling system, the four supporting legs are located at the four corners of the bottom face of the platform body respectively and connected with the platform body, and the automatic leveling system is in linkage fit with the platform body and the supporting legs; the automatic leveling system can cope with platform inclination caused by natural factors such as tidal water scouring and stormy waves in real time, and can resist the influence of three-level stormy waves; meanwhile, due to the design of an anti-skid cover plate, a cable storage groove and the like of the platform, potential safety hazards in the construction process are further eliminated, and the safety of constructors and equipment is comprehensively guaranteed; the platform main body is designed by adopting high-strength steel, so that the bearing capacity is high, and various drilling machines can be adapted; a reserved hoisting interface and a reserved cable storage groove facilitate installation and arrangement of equipment, and construction convenience is improved; the whole platform is simple in structure, convenient to operate and easy to maintain, and has good application and popularization value.

A sonar device including a transmitter, a transducer, and processing circuitry is provided. The transmitter is configured to transmit a transmission signal. The transducer is configured to project ultrasonic waves in a water body, the ultrasonic waves being generated based on the transmission signal; receive reflected ultrasonic waves from one or more objects in the water body; and generate a reception signal based on the reflected ultrasonic waves. The processing circuitry is configured to generate a plurality of reception beams based on the reception signal; detect a seafloor among the one or more objects based on the plurality of reception beams; determine a limit incidence angle at which the seafloor is detected; extrapolate a shoal line based on the limit incidence angle, the extrapolated shoal line connecting with the detected seafloor; and detect a potential shoal hazard based on a determined depth of the extrapolated shoal line.

The application discloses a construction method for a large-section rectangular pipe jacking to pass through a river shoal and to avoid obstacles, and comprises the following steps: S1, when the rectangular pipe jacking passes through the river shoal and encounters a cutter head and a screw machine, the current of the screw machine is high, and the torque of the cutter head and the screw machine increases sharply, the cause should be checked in time by means of positive and negative rotation of the cutter head and positive and negative rotation of the screw machine blade; S2, the river shoal has a small water flow, and a local excavation method can be adopted for treatment, and the river water should be diverted before local excavation; S3, a shovel is adopted to excavate and clean the soil, rock filling and the like in the soil range of the river bed in front of the pipe jacking machine, and the excavation depth is the soil depth from the top of the pipe jacking machine to the bottom of the river bed; S4, according to the cutter head and the screw machine stuck situation, the pipe jacking machine is smoothly pushed to the other side of the river by adopting the single screw machine to unload or not to unload; and S5, after the pipe jacking machine smoothly passes through the river, the treatment of the boulders at the cutter head or the screw machine is carried out, at this time, the conditions for opening the warehouse for treatment are much better than those at the bottom of the river, and the construction safety is more effectively guaranteed. The method is safe and efficient, and construction cost is saved.

The invention relates to a universe system for fish ecological adaptability training and a training method of the universe system. The fish universe system comprises a cuboid tank body with the top open, gravels are laid at the bottom in the tank body, artificial seawater is poured into the tank body, and the interior of the tank body is divided into a shoal area, an aquatic plant area, a partition area and a reef area in the length direction. The shoal area is used for simulating a shoal in a field water area, some small fishes which are not good at swimming tend to hide in a shoreside structure to obtain a shelter, and the movement of large predators can be limited by the shallow water body. The aquatic plant area is mainly composed of a structure of a plastic aquatic plant model, and the reef area is mainly composed of a medium-sized complex reef. The two areas are mainly used for providing habitats of different structure types for small fishes and correspond to different complex structure scenes in the field respectively. The partition area is used for separating the aquatic plant area from the reef area.

The invention belongs to the technical field of cable detection, and particularly relates to a shoal buried cable state detection method and system based on aviation magnetic survey, and the method comprises the steps: planning the route of an unmanned plane through fusing the mud flat environment, cable design and geomagnetic field data, and synchronously collecting the magnetic survey, attitude, position and environment data. After multiple interference compensation correction, net magnetic measurement data are obtained, and a magnetic anomaly trajectory is fitted through background geomagnetic field modeling and abnormal point recognition; calculating a cable position offset by comparing design routes, and identifying a position abnormal area; determining a predicted burial depth and a fluctuation range by using a fitting model of a magnetic anomaly peak value and the burial depth, and positioning a burial depth anomaly region; analyzing track continuity and peak stability, and judging armoring damage; and finally, the identification results of the position, the burial depth and the armoring damage are integrated and visualized, and multi-dimensional accurate evaluation of the cable state is realized. According to the invention, the accuracy of shoal buried cable state detection is improved.

The application provides a method and device for identifying an intra-platform shoal zone of an ancient carbonate platform, and the corresponding method comprises the following steps: establishing a thickness-valley number-cloudy ash ratio relationship model according to the formation thickness, the valley number and the cloudy ash ratio determined by first logging data in a target work area; determining the cloudy ash ratio corresponding to the seismic data according to the formation thickness and the valley number determined by the seismic data in the target work area based on the thickness-valley number-cloudy ash ratio relationship model, and then generating a cloudy ash ratio planar distribution map of the target work area; determining a cloudy ash ratio variation interface according to the cloudy ash ratio planar distribution map; determining the seismic facies characteristics corresponding to the cloudy ash ratio variation interface according to the seismic data; and identifying the ancient carbonate platform intra-platform shoal zone according to the seismic facies characteristics. The application uses seismic data to quickly identify the shoal zone, improves the identification accuracy and efficiency, and is significantly faster than manual seismic facies interpretation. The application has a significant effect on studying the distribution rule of the intra-platform shoal zone and finding a scale reservoir.

The invention discloses a shoal tide level station laying device and an auxiliary installation system thereof. The shoal tide level station laying device comprises a hollow spiral pipeline and a fixing frame fixedly connected with the top of the spiral pipeline. A sludge inlet is formed in the bottom of the pipeline, an exhaust port is formed in the top of the pipeline, and the exhaust port exhausts air when sludge enters the sludge inlet; the fixing frame is used for installing a tide gauge; the radius of the device is gradually reduced from bottom to top, and the device is rotationally mounted on a shoal through an auxiliary mounting system. According to the structural design of the device, the construction difficulty is greatly reduced, the device can be directly installed on a mud beach and can be recycled, the settling volume of the tide gauge is reduced, and the damage risk and the detection error are reduced.

The application discloses a kind of river and lake water area dynamic monitoring method based on remote sensing image, for suspected sand mining and other activities concealment, difficult to take evidence, method with difference detection identifies change patch, generates constraint boundary and labels space-time information with concurrent water level line and main flow direction;Patch is semantically classified, extracts shoreline cut-in angle, channel center line normal distance, contour slope and spatial relationship with channel, shoal, management range, dynamic electronic fence;Multi-agent model of electronic fence, unmanned aerial vehicle, suspected sand mining ship and transfer point is constructed, according to contour passage zone and time window, evasive path is deduced, narrow corridor is set in intersection section and trigger threshold, and unmanned aerial vehicle standby point and flight path are arranged and operated in linkage;After triggering, evidence is pushed to law enforcement terminal for comparison and disposal;The method realizes closed loop from monitoring to evidence.

The utility model relates to the technical field of river slope protection structures, in particular to an anti-impact stable ecological slope protection structure for a riverbank zone in a desert region, which comprises a river shoal zone and a shoreside zone, a slurry building retaining wall is vertically arranged at a position, one meter away from the river shoal zone, of the shoreside zone, and a water channel is fixedly arranged on one side of the slurry building retaining wall. A soil module laid on the surface of the shoreside area is arranged on the other side of the mortar building retaining wall. The slurry retaining walls are longitudinally arranged in the river shoal area and the shoreside area and used for reducing sand in the desert dry area from entering the river, gradual soil treatment is conducted on the desert sand area, the white plastic film is laid on the surface of the sand in the shoreside area, and water is concentrated into the water channel to be stored in the rainy season; the planting area is gradually increased in a mode of gradually laying soil modules, desert soil treatment is carried out by utilizing the soil fixing and water locking capability of vegetation roots, and therefore the situation that the river is exhausted due to the fact that sandy soil enters the desert region river is relieved.

The invention discloses a channel improvement effect evaluation method. According to the method, the sailing resistance and thrust of a representative ship are calculated based on a Ziwankov formula, a ship self-propulsion beach-going hydraulic index is solved through resistance-thrust balance, a beach-going flow velocity V and a gradient J of the beach-going hydraulic index are combined and normalized to obtain a flow velocity fraction CV and a gradient fraction CJ, and a beach elimination index XV is defined; selecting four parameters of water depth, flow velocity, cross flow and beach elimination index to construct a navigation safety evaluation index system; constructing a two-dimensional or three-dimensional water flow numerical model of an improvement river reach, calculating to obtain a flow field before and after improvement, arranging orthogonal grids and measuring points in a planned channel, and carrying out interpolation calculation to obtain water depth, flow velocity, flow direction, water level, cross flow and beach elimination indexes; the change of each index before and after regulation is compared through visual software, the position, range and degree of the navigation hindering water area are visually identified, and the navigation hindering reason is analyzed and the regulation effect is evaluated from the spatial dimension. According to the method, the systematicness and intuition of channel improvement effect evaluation are improved.

The application discloses a method and device for constructing a water-land integrated digital elevation model and a medium. The method comprises the following steps: determining a first digital elevation model of a land area based on an application scenario identifier; determining a spatially aligned grid image set and an average water level value based on a shoal remote sensing image and a water level observation data set, and determining a water body type of each pixel according to a preset identification frequency threshold; extracting shoal three-dimensional water level contour data by combining a preset area threshold, the water body type and the average water level value, and generating a second digital elevation model of the shoal by spatial interpolation; determining a deposition state according to historical underwater topographic data of a deep water area and a real-time water depth of a check point, and constructing a third digital elevation model of the deep water area based on the deposition state; and generating a water-land integrated digital elevation model of a target area based on the first, second and third digital elevation models and topographic control point data. The application can improve the efficiency and precision of constructing a water-land integrated digital elevation model.