155 results about "River management" patented technology

The invention relates to the technical field of river channel environment monitoring, and discloses a river channel monitoring system based on the Internet of Things. The system comprises a multi-mode sensing module, an environment feature analysis module, a space-time coupling modeling module, a self-adaptive resource scheduling module and an intelligent cooperative control module. The multi-modal sensing module collects multi-source heterogeneous data, the environment feature analysis module extracts various feature vectors, the space-time coupling modeling module generates a coupling space-time feature matrix, and the self-adaptive resource scheduling module constructs a double-layer optimization library and stores related rule strategies. And the intelligent cooperative control module generates a real-time pollution early warning instruction and a hydrological regulation and control decision through a multi-target reinforcement learning framework based on the results. In addition, the system can carry out anomaly detection and emergency treatment on the floating objects and predict sudden change of water quality. According to the system, comprehensive monitoring, intelligent analysis and accurate regulation and control of the river environment are realized, and the efficiency and scientificity of river management are improved.

The invention discloses a river health evaluation method suitable for northern water-deficient cities, and relates to the technical field of environmental science and engineering.The system comprises the following steps that the pH value, the dissolved oxygen concentration and the total electrolyte amount are monitored through a pH sensor, a dissolved oxygen sensor and a conductivity sensor, the river water surface, the river channel and the surrounding environment are monitored through a GIS, and the river health evaluation result is obtained. Comprising a land utilization type, a vegetation coverage rate and a river bank erosion condition, collecting environmental problems uploaded by the public through a mobile phone APP, and investigating the satisfaction degree of the public to the environment; a river health evaluation system is constructed, the trend of river health is predicted, and potential factors affecting river health are identified; and according to a prediction result, configuring a decision support system to assist in making a management strategy, and regularly reviewing and evaluating system effectiveness. The river health evaluation method and management system are continuously optimized by dynamically adjusting river management and protection work according to a dynamic adjustment result, and the river ecological system of northern water-deficient cities is effectively protected for a long time.

The invention relates to a caisson construction method, and belongs to the technical field of hydraulic engineering caisson construction. In order to solve the problems that in the sinking process of a traditional caisson, perpendicularity is difficult to control, deflection is prone to occurring, and consequently the construction quality does not reach the standard, the technical scheme that tilt angle sensors are pre-buried in the opposite angles of the inner wall of the caisson, and a bottom high-pressure water spraying pipe system is arranged is adopted. Steel spray pipes with the axes forming 30-degree included angles with the horizontal plane are arranged, 2.5 MPa high-pressure water is combined to form slurry to assist sinking, the water pressure of the spray pipes is dynamically adjusted by monitoring dip angle data of the four corners in real time, the dip angle difference value is controlled within 0.3 degree, and after sinking is completed, the peripheral gravel throwing and filling and layered clay rolling and backfilling technology is implemented. According to the method, accurate control over the sinking posture of the caisson is effectively guaranteed, the method is suitable for rapid and accurate installation of caisson structures in water conservancy projects such as river regulation and wharf foundations, and the construction efficiency and the structural stability are remarkably improved.

The present invention relates to the field of municipal machinery technology, and discloses a sludge cleaning device for municipal engineering river management, comprising a hull, a mechanical arm is installed on the top front side of the hull, a bucket is installed on the end of the mechanical arm away from the hull, a uniformly distributed controller is arranged on the top of the hull, tracks are installed on the left and right sides of the bottom of the hull, a centrifuge and a placement box are installed inside the hull, a connecting pipe is fixedly connected to the opposite side of the centrifuge and the placement box, a drainage pipe 1 is fixedly connected to one side of the bottom of the centrifuge, and the outer wall of the drainage pipe 1 is fixedly connected to the inside of the hull. The buoyancy of the floating block drives the connecting plate to rise, and the rotating plate can drive the connecting plate to move so that the bevel gear 1 and the bevel gear 2 are meshed, and the bevel gear 1, the bevel gear 2 and the belt work together to synchronously rotate the tracks and the propeller to enhance the maneuverability and operation efficiency of the device in deep water.

The invention provides a river ecological corridor boundary determination method and device and a storage medium, and the method comprises the steps: obtaining the types, densities and biomass of inland organisms and water organisms which often inhabit in a river management range in a research region, and determining the respective key indicator species of the inland organisms and the water organisms in the research region; determining requirements of key indicator species; obtaining a relation curve of river gallery boundary-key indicator species diversity; constructing a region-typical river reach two-dimensional habitat model, and obtaining spatial distribution and migration path information of each key indication species in a river ecosystem; preliminarily determining a boundary threshold value of the ecological corridor of the river; determining a water area corridor boundary of the river ecological corridor; determining a land area corridor boundary of the river ecological corridor; and determining a river ecological corridor boundary based on the water area corridor boundary and the land area corridor boundary of the river ecological corridor. By adopting the determination method provided by the invention, the river ecological corridor boundary can be determined more reasonably and quickly.

The invention provides an efficient riverway management range demarcation method based on multi-source data fusion and spatial characteristic difference, and the method comprises the steps: constructing a whole-process technical system of law and regulation analysis, multi-source data fusion, characteristic parameter extraction and dynamic optimization, integrating the multi-source data of satellite remote sensing, unmanned aerial vehicle aerial survey, hydrological monitoring, etc. Key parameters such as a central line, a gradient and a curvature of a river channel are extracted by utilizing an intelligent algorithm, and accurate delimiting of a management line is realized by combining design flood level calculation and Kriging interpolation optimization. The invention aims to break through the limitation of the traditional method, improve the demarcation efficiency and precision, provide standardized and executable technical support for scientific management of complex rivers, and assist the cooperative promotion of flood control safety and water resource protection.

The invention discloses a river management-oriented multi-parameter water quality intelligent prediction method and a river management-oriented multi-parameter water quality intelligent prediction system, relates to the technical field of environment monitoring and artificial intelligence, and particularly discloses a water quality intelligent prediction system and a water quality intelligent prediction method. According to the system, original water quality monitoring data is cleaned and repaired through the missing value filling module, so that the data integrity is ensured; performing deep feature extraction and fusion on the multi-parameter water quality data by using a convolutional neural network (CNN) to generate high-dimensional feature mapping; then, a bidirectional long-short-term memory network (Bi-LSTM) model is adopted to carry out forward and backward bidirectional learning on the extracted time sequence features, and a complex dynamic rule and a long-term dependency relationship of water quality parameter changes are accurately captured; and finally, an optimized loss function module is introduced to minimize a training error, so that the prediction accuracy is further improved. According to the method, the problems of insufficient precision, high model calculation complexity and weak multi-parameter collaborative prediction capability caused by data missing in the existing river water quality prediction technology are solved.

The invention discloses a riverway bank collapse early warning method based on soil body surface displacement acceleration trend analysis, and relates to the technical field of riverway bank collapse early warning. The method comprises the following steps: laying GNSS measurement site positions according to a potential risk area of river beach collapse and a transverse distance and a longitudinal distance of a collapse pit in a region where the GNSS measurement site positions are located; carrying out real-time traceability filtering and denoising calculation on the continuously online monitored soil body surface displacement data based on a Butterworth low-pass filter; carrying out real-time acceleration trend discrimination calculation on the filtered soil body surface displacement data, and carrying out risk grading early warning discrimination on bank collapse risk threshold values of different bank collapse risk grades by utilizing calculated linear acceleration trend intensity; and carrying out riverway bank collapse risk site survey and result verification according to a risk grading early warning judgment result. The method has important engineering application value in the aspects of river channel safety monitoring, disaster early warning, emergency management and the like, and scientific support can be provided for river treatment, dike safety maintenance, intelligent water conservancy construction and the like.

The invention discloses a river function vulnerability evaluation method and device, a medium and a product, and relates to the technical field of hydraulic engineering and river ecological evaluation.The method comprises the steps that river basic information is obtained; determining index data of river function vulnerability evaluation; constructing a judgment matrix of the index data by utilizing an analytic hierarchy process; calculating a weight vector of the index data according to the judgment matrix; according to the river basic information and the river flood control standard, performing quantitative score assignment on the index data to obtain a score assignment result; calculating a function comprehensive score of the river according to the weight vector and the score assignment result; the function comprehensive score is used for evaluating the river function vulnerability. By introducing the analytic hierarchy process and the multi-index scoring system, a comprehensive evaluation system is constructed from four aspects of river flood control, navigation, water supply and ecology, the river function vulnerability can be reflected more scientifically and comprehensively, and a reference is provided for river management and governance.

The invention belongs to the technical field of river reach feature recognition, and particularly relates to a river reach morphological feature recognition method based on remote sensing. Through multi-source remote sensing data fusion analysis, accurate recognition and dynamic monitoring of river channel morphological characteristics are achieved, scientificity and efficiency of river channel treatment are improved, refined data support is provided for river channel ecological restoration and management through river reach classification and construction of a morphological module, and the river channel ecological restoration and management method is suitable for river channel ecological restoration and management. In this way, the intelligent and datamation requirements of river regulation decision making are supported, meanwhile, effective prediction of the river form evolution trend is achieved through time sequence analysis of the repair node and the current node, verification and evaluation of the confidence degree are conducted after the prediction result is output, and therefore the reliability and applicability of the prediction result are ensured, and the prediction efficiency is improved. The prediction result can provide corresponding data support for a river regulation project, the river form change trend can be pre-judged in advance, and a scientific basis is provided for flood control and disaster reduction and water resource management.

The utility model relates to the field of river regulation, and discloses a floating object intercepting buoy which comprises a buoy body, a connecting channel is arranged at one end of the buoy body in a penetrating mode, intercepting frames are arranged on the outer rings of the two ends of the buoy body, and a collecting hopper is arranged between the two intercepting frames. A plurality of drainage notches are formed in one side of an inner cavity of the collecting hopper, a moving groove is formed in one end of the intercepting frame in a penetrating mode, and after the floating object intercepting buoy is connected with the stably-arranged buoy body through the weight adjusting mechanism and the connecting channel, the floating object intercepting buoy can be used for intercepting floating objects through a moving rotary column, a limiting ring and a floating block in the moving groove in the intercepting frame. The collecting hopper always floats on the water surface of one side of the buoy body, floating objects floating to the buoy body can be gathered, intercepted and collected in cooperation with the collecting hopper and the drainage notch, follow-up floating object cleaning is facilitated, and the problem that an existing intercepting buoy cannot rapidly and effectively gather and intercept the floating objects is solved.

The invention relates to the technical field of riverway desilting, in particular to a riverway self-adaptive desilting system and method based on intelligent water level perception, and the method is executed by a central control unit and comprises the four steps of model construction and benchmark calibration, real-time monitoring and siltation diagnosis, precise survey and operation planning and closed-loop execution and model synchronization. The system comprises a central control unit, a water level intelligent sensing array, terrain scanning equipment and dredging machinery, according to the method, the three-dimensional digital riverbed model is constructed, the sedimentation state is dynamically judged in combination with the water level sensing data, an accurate desilting operation scheme is generated, and operation closed-loop control is achieved. According to the method, navigation and ecological riverway dredging requirements are considered, the dredging precision and automation level are improved, the operation cost is reduced, intelligent transformation of riverway management is promoted, and an efficient solution is provided for long-acting treatment of the riverway.

The present application discloses a water conservancy project river management system, which belongs to the field of water conservancy engineering technology. The system includes the following modules: a sampling point optimization module, which determines the spatial and temporal location point distribution plan of sediment sampling based on the river topography, hydrological conditions and historical sediment data; an intelligent sampling module, which autonomously decides to select the optimal sampling strategy according to the point distribution plan, and implements efficient and accurate unmanned sampling operations; a sediment analysis and prediction module, which conducts in-depth analysis of the spatial and temporal distribution and migration laws of river sediment, and predicts the sediment change trend in the future period; an intelligent scheduling module, which combines sediment prediction results with real-time hydrological conditions, intelligently schedules river management facilities and equipment, optimizes resource allocation, and improves engineering management efficiency.

The invention provides a sludge dewatering device for water conservancy river ecological management, and relates to the technical field of water conservancy project and river ecological management. The mounting bottom plate is mounted in ship body equipment, and the supporting frame is fixedly mounted at the upper end of the mounting bottom plate; the upper end of the supporting frame is of an inclined face structure inclining towards the lower portion of one side, and an inclined frame is fixedly installed on the inclined face structure of the supporting frame. A dewatering box with an upward opening end is fixedly mounted at the upper end of the inclined frame; a floating platform is arranged on one side of the mounting bottom plate and located in the water surface. A sludge mixing box is mounted at the upper end of the floating platform. The floating platform is in sliding fit with a hanging pin of the supporting frame through a movable strip hole in a connecting arm and is matched with a stable row, extending into water, at the bottom of the floating platform, so that the floating platform can adapt to water surface fluctuation, wind wave impact is effectively buffered, and a dynamic and stable working platform is provided for a sludge pumping box and a sludge mixing box; and continuity and reliability of mud pumping and mixing operation are ensured.

This invention discloses a sewage filtration device and treatment method for river management, relating to the field of sewage filtration technology. It includes an outer casing, a filtration component, a collection component, and a chemical treatment component. The filtration component includes a filter belt, and the collection component includes a collection box with several connecting pipes at its bottom. A switching mechanism is located inside the outer casing. The chemical treatment component includes a water pump, a first liquid tank, a second liquid tank, and a chemical tank. A first control mechanism is located inside the second liquid tank, and a second control mechanism is located inside the first liquid tank. This invention uses several collection boxes mounted on a rotating shaft to facilitate automatic switching of the collection boxes. During switching, it facilitates the compression and dewatering of solid impurities inside the collection boxes. A dosing component allows for the automatic addition of chemicals to the second liquid tank, and an aerator ensures thorough mixing of the sewage and chemicals.

The utility model discloses an interception type trash holding structure for river regulation, and belongs to the technical field of river regulation, the technical scheme is that the interception type trash holding structure comprises a trash holding net, and a floating lifting assembly is arranged on the outer side of the trash holding net. The floating blocks on the two sides can enable the trash holding net to automatically adjust the height along with rising and falling of the water level by means of buoyancy, when the water level rises, the floating blocks drive the trash holding net to move upwards, garbage is prevented from crossing over the trash holding net, it is ensured that pollutants can be effectively intercepted all the time, and when the water level falls, the trash holding net also falls along with the trash holding net to continuously play an interception role. The connecting rods on the inner sides of the floating blocks are stably connected with the trash holding net, meanwhile, the floating blocks on the two sides of the trash holding net float more stably, pulleys in the guide grooves are matched with the guide rails, the trash holding net can be guided to ascend and descend stably, friction is reduced, the stability of the whole structure is enhanced, and the stability of the guide rails is improved through the balancing weight at the bottom. Therefore, the stability of the trash holding net in water is ensured.

The invention discloses a sludge cleaning device for municipal engineering river regulation, and particularly relates to the technical field of municipal engineering, the sludge cleaning device comprises a base, the top of the base is fixedly connected with a fixed seat, and the top of the fixed seat is fixedly connected with a protective cylinder; and the rotating assembly comprises a double-shaft motor fixedly connected into the fixing base, and the front end and the rear end of the double-shaft motor are fixedly connected with first rotating shafts correspondingly. In the sludge cleaning operation, a double-shaft motor of the rotating assembly drives a driving wheel and a driven wheel to drive a fixed reamer to mash sludge at a high speed, meanwhile, fan blades rotate to cooperate with air holes of the base, drainage of water in the base is accelerated, and the sludge is air-dried and compacted, the cleaning efficiency is greatly improved, the period is shortened, and the treated sludge can be directly buried or recycled. The centrifugal assembly achieves efficient solid-liquid separation and preliminary dehydration of sludge through high-speed rotation of a centrifugal cylinder. The compaction assembly drives a pressing plate to compact sludge through gear transmission, the size is reduced, the water content is reduced, and the cleaning quality is improved.

The present application belongs to the technical field of river section feature recognition, and particularly relates to a river section morphological feature recognition method based on remote sensing. The present application realizes accurate recognition and dynamic monitoring of river morphological features through multi-source remote sensing data fusion analysis, improves the scientificity and efficiency of river management, and provides fine data support for river ecological restoration and management through the construction of river section classification and morphological modules, thereby supporting the intelligentization and dataization needs of river management decisions. Meanwhile, through time sequence analysis of the repair node and the current node, the effective prediction of the river morphological evolution trend is realized, and after the prediction result is output, the confidence is also checked and evaluated, thereby ensuring the reliability and applicability of the prediction result, so that the prediction result can provide corresponding data support for river regulation engineering, can predict the river morphological change trend in advance, and also provides a scientific basis for flood control and disaster reduction and water resource management.

This utility model relates to the field of river management technology and discloses a movable micro ecological floating island, including a floating bed. Multiple planting tubes are movably connected vertically through the interior of the floating bed. A retaining ring is fixedly fitted onto the outside of each planting tube above the floating bed. Clamping mechanisms are provided on both the front and rear sides of the planting tubes on the upper surface of the floating bed. Positioning mechanisms are provided at the four corners of the upper surface of the floating bed. This utility model utilizes a pawl and ratchet locking design. After the positioning anchor sinks to the bottom of the water under gravity, releasing the pawl enables one-way self-locking of the rocker arm, effectively preventing the positioning rope from loosening and ensuring that the floating bed does not shift under water flow or wind force, ensuring stable and reliable positioning. Simultaneously, when moving the floating island, simply turning the rocker arm clockwise quickly retracts the positioning rope and anchor, making operation simple and quick, significantly improving the efficiency of floating island position adjustment and relocation.

This utility model relates to the field of river management engineering technology, specifically to a gravity retaining wall for river landscape. It includes a base slab and a wall body. The water-facing side of the base slab is equipped with a toothed wall and pre-embedded U-shaped steel bars, connected to gabion cages by steel wire ropes to resist erosion. Pre-embedded stones on the top surface of the base slab enhance its interlocking with the wall body. The water-facing side of the wall body is faced with pebbles to enhance its aesthetics, and a planting groove is provided at the top for planting greenery. The wall body has a built-in dual drainage system: a first drainage pipe directs water from behind the wall into the planting groove for irrigation, and a second drainage pipe is dedicated to pressure relief drainage; both have a slope of 5%. This utility model integrates flood control, landscape, and ecological functions, solving the problems of poor water affinity and insufficient erosion resistance of traditional retaining walls.

This utility model discloses a riverbank purification barrier for river management, comprising a main body of the embankment, a guide slope on the front side of the main body of the embankment, and multiple fixed seats uniformly fixedly connected to the guide slope. The fixed seats are configured in a V-shape, and two water-blocking mesh grooves are symmetrically installed on the fixed seats. Each of the two water-blocking mesh grooves is connected to a pushing mechanism. Multiple inclined slots are uniformly arranged on the fixed seats, and the multiple inclined slots are inclined downwards on the side away from the center surface of the fixed seats. Multiple inclined plates are fixedly connected to each of the two water-blocking mesh grooves, and the multiple inclined plates are respectively inserted into the interior of the multiple inclined slots. A collection box is set in the middle position of the two water-blocking mesh grooves, and a middle plate is set on the collection box. A middle slot is set in the middle position of the fixed seats, and the middle plate is inserted into the interior of the middle slot, which facilitates the disassembly and replacement of the water-blocking mesh grooves.

The present application relates to the technical field of river dredging, and especially discloses a river self-adaptive dredging system and method based on water level intelligent sensing, which is executed by a central control unit and comprises four steps of model construction and benchmark calibration, real-time monitoring and siltation diagnosis, accurate survey and operation planning, closed-loop execution and model synchronization; the system comprises a central control unit, a water level intelligent sensing array, a terrain scanning device and a dredging machine; the present application dynamically determines the siltation state by constructing a three-dimensional digital riverbed model in combination with water level sensing data, generates an accurate dredging operation scheme, and realizes closed-loop control of the operation; the present application takes into account the dredging needs of navigable and ecological rivers, improves the accuracy and automation level of dredging, reduces the operation cost, promotes the intelligent transformation of river management, and provides an efficient solution for long-term river management.

The utility model relates to the technical field of aquatic plant salvaging, in particular to a river regulation aquatic plant collecting and salvaging device which comprises a ship body, a cockpit arranged on the ship body, a first conveying belt installed on the ship body and used for conveying aquatic plants, and a first rotary driver installed on the ship body and used for driving the first conveying belt to convey the aquatic plants. The cutting anti-winding mechanism is arranged on the ship body and used for preventing the aquatic plants from being wound and comprises a butt joint arrangement plate and a plurality of collection rotating pieces arranged on the butt joint arrangement plate and used for collecting and salvaging the aquatic plants; the waterweed collecting and salvaging device for river regulation further comprises a transmission driving mechanism which is arranged on the butt-joint arrangement plate and used for driving the collecting rotating piece to rotate in the forward direction and driving the cutting pieces to rotate in the reverse direction. According to the technical scheme, winding of aquatic plants is avoided through the transmission driving mechanism.

The invention relates to a method for drawing batch river channel erosion and deposition change diagrams, and belongs to the technical field of water conservancy projects. According to the method for drawing the batch river channel erosion and deposition change graphs, CAD drawings of cross-section diagrams of different measurement times are analyzed, the cross-section diagrams are recognized through an algorithm, cross-section node data are extracted, batch synthesis and comparison of the cross-section diagrams are achieved, and cross-section line comparison diagrams of different measurement times are formed, so that the problem that people are not visual enough when knowing river channel erosion and deposition changes at present is solved; the method is especially suitable for river management.

The utility model discloses a riverway ecological restoration device in the technical field of riverway treatment, which comprises a sideboard, a bottom plate of the L-shaped sideboard is positioned on the upstream face of the bottom of a side plate, a floating plate and a positioning component for fixing the floating plate are mounted on the downstream face of the side plate of the sideboard, and a baffle is mounted at one end of the sideboard; the L-shaped collecting plate is slidably mounted at the top of a bottom plate of the baffle plate, the collecting plate and the baffle plate are connected through a sliding assembly, and a push-pull assembly capable of being buckled to the top of the baffle plate is mounted on the surface of a side plate of the collecting plate; the device solves the problems that fallen leaves and garbage generally float on the surface of a river channel, a garbage collecting device is not arranged on the water surface of the river channel, floating objects on the surface of the river channel cannot be cleaned in time, the garbage collecting device cannot be used for collecting the fallen leaves and the garbage, and the water surface of the river channel cannot be cleaned in time. The water quality in the river channel is easily influenced, so that the ecological environment of the river channel is destroyed.

The invention provides a watershed urban water system multivariate spatio-temporal data integration and topology analysis method based on a graph database. The watershed urban water system multivariate spatio-temporal data integration and topology analysis method comprises the steps of multivariate data integration, graph database construction, multi-source data hooking and topology analysis and data verification. Integrating meteorological monitoring, river pipe network monitoring, water supply and other multivariate data, and constructing a distributed database through space-time alignment and deep fusion; pipe network GIS data is converted into a graph database model, nodes represent entities such as inspection wells, and edges represent connection relations such as pipelines; the drainage partition and monitoring equipment data are hooked through the joint index to form a complete data network; and running a quality balance algorithm to verify the data, and outputting a pipe network health report. The method solves the problems of data islands, poor relevance and low topological analysis efficiency of a traditional relational database, supports efficient query of complex topological relations, is high in data fusion and verification capability, is suitable for urban drainage network, river management and comprehensive water environment treatment, and effectively improves the implementation effect of a large water environment treatment project.

The utility model relates to the field of river management, and discloses a water treatment device for river sewage, including a mounting frame, a filter plate 1 is arranged on the front surface of the mounting frame, a treatment component is arranged on the front surface of the mounting frame, and the treatment component includes a concave frame, the concave frame is fixedly connected to the front surface of the mounting frame, a threaded rod is rotatably connected to the left side of the concave frame, a guide block is threadedly connected to the outer wall of the threaded rod, a guide groove is provided on the left side of the concave frame, and the guide block is slidably connected to the inner wall of the guide groove. In the utility model, the guide block is driven to move upward by rotating the threaded rod, and the collection frame is driven to move upward at the same time. After moving to the upper side, the limit rod can be moved to slide out of the limit groove, and the collection frame can be directly moved out at this time, so that the garbage collected in the collection frame can be conveniently poured out and cleaned directly, without manual cleaning, thereby improving the convenience and safety of cleaning.

The present application discloses a prefabricated block lifting device, which belongs to the field of river management. The device comprises a support frame and a lifting bracket arranged on the support frame, the support frame is provided with a winch for driving the lifting bracket to move, the support frame is provided with a plurality of first conveyor belts for arranging prefabricated blocks, a drive roller is rotatably mounted on the support frame, the first conveyor belt is wound around the drive roller, the support frame is provided with a push rod for pushing the prefabricated blocks on the first conveyor belt, the support frame is provided with a first drive assembly for driving the drive roller to rotate, the support frame is provided with a control assembly for controlling the first conveyor belt to stop running, and the support frame is provided with a second drive assembly for driving the push rod to move. The present application has the effect of improving the efficiency of prefabricated block transportation and binding.

The invention discloses a method for constructing an alluvial river average residual depth prediction model in the technical field of water conservancy and hydropower engineering, and the method comprises the steps: obtaining the actual measurement data of the section of an alluvial river, and carrying out the preprocessing, thereby obtaining the thalweg of the alluvial river, the pre-flood average river facies coefficient of a river reach, and the post-flood average river facies coefficient of the river reach; performing pretreatment to obtain the average residual depth of the alluvial river; the upstream flow and sediment transport rate data are preprocessed, and the average flow and the average sediment transport rate are obtained; performing pretreatment to obtain a non-flood-season average water and sediment index and a flood-season average water and sediment index; analyzing the relationship among the pre-flood and post-flood average river facies coefficients of the river reach, the flood season and non-flood season average water and sediment indexes and the alluvial river average residual depth, and constructing a prediction model; according to the method, the average residual depth of the alluvial river can be accurately predicted, the average residual depth of the alluvial river under different spatial scales and long-term dynamic changes can be reflected, and the method has far-reaching guiding significance for river management and river regulation.

The utility model relates to the technical field of ecological river regulation, and discloses a reef cleaning device with a monitoring function, which comprises a supporting piece, two buckets are hinged to the outer surface of the supporting piece, underwater cameras are mounted at the ends, far away from each other, of the two buckets, a telescopic rod is mounted at the lower end of the supporting piece, and the telescopic rod is connected with the supporting piece. And the output end of the telescopic rod is fixedly connected with a platform. According to the reef cleaning device with the monitoring function, irregular reefs can be clamped through cooperation of a sliding clamping piece and an elastic clamping piece, the two buckets can be kept in a stable state, a drill bit can stably drill the reefs underwater, water flow can conveniently penetrate through a plurality of through holes, and the reef cleaning device is convenient to use. The impact of water flow on the excavator bucket is reduced, the excavator bucket can be kept in a stable state, therefore, drilling work can be conducted stably, and the underwater condition can be monitored in real time through cooperation of the installed underwater camera.