182 results about "River regulation" patented technology

The invention discloses a river sediment scouring and silting simulation method, and belongs to the technical field of hydraulic engineering and hydrological simulation. In order to solve the problem that it is difficult to accurately simulate the river sediment erosion and deposition evolution trend in the prior art, the method comprises the steps that on the basis of actually measured topographic data and channel chart data of a target river reach, a water-sediment coupling mathematical model is constructed by adopting a non-uniform sediment unbalance sediment transportation theory, and the model interacts with a water power module and a wave module in real time through an MCT coupler; actually measuring a flood and water and sediment series data calibration verification model; and obtaining future water and sediment process data predicted by a plurality of climate modes, inputting the future water and sediment process data into the verified model, dividing river reaches according to the characteristics such as riverbed gradient and river channel curvature, and calculating the erosion and deposition amount of each sub-river reach in the future 50 years. The method can simulate water flow and sediment movement of rivers, reservoirs and lakes, can be applied to the fields of riverway regulation planning, flood control and disaster reduction decision making, reasonable development and utilization of water resources and the like, and provides important data support and scientific basis for construction and management of water conservancy projects.

The invention discloses a riverway treatment method and system based on an image processing technology, and relates to the technical field of urban riverway treatment, the system divides a treatment area into a plurality of sub-river reaches by using a GIS, river network distribution and a DEM model, and collects video frames, water quality images and pollution feature images; through image processing, extracting a motion track, a distribution characteristic, water body color information and an abnormal color development area of the floating object, and analyzing a pollution change trend and a mutation characteristic; the water surface garbage diffusion disturbance coefficient is monitored, the water surface garbage state is judged in combination with a threshold value, and strategy response is triggered; when the water quality is abnormal, judging whether the color of the water body is normal or not through water body color difference abnormal coefficient analysis; if pollution exists, the pollution gradient change is analyzed section by section in the countercurrent direction of the river channel, a pollution source is locked, and a pollution discharge upstream inference report is generated; according to the invention, the river pollution monitoring precision and response efficiency are effectively improved, and ecological management and environmental protection are assisted.

The invention provides a river sediment physical habitat evolution identification method, device and system and a medium. The method comprises the following steps: acquiring a multi-temporal remote sensing image and hydrological data (flow Q, water level Zw and slope S), screening and other hydrological condition image pairs; extracting a water surface range, and calculating the average width B of the main groove; deducing the average water depth h by using a Manning formula, and calculating the riverbed elevation zbed by combining the Zw; the difference value delta zbed of zbed in different periods is calculated, and the substrate state is judged according to the difference value delta zbed and a threshold value epsilon; and performing segment processing along the center line to output a spatial distribution result. On-site measurement is not needed by relying on conventional data, and consumption is reduced; water level interference is eliminated through equal hydrological condition matching, and comparability is ensured; water depth inversion and differential analysis directly reflect scour deposition and quantitatively reveal rules; long-distance automatic processing improves space-time coverage capability and precision, and provides a basis for river regulation, ecological restoration and drainage basin management.

The utility model discloses a sludge in-situ curing treatment device for river regulation construction, which comprises a main shaft provided with a protective sleeve, a pesticide spraying component arranged at the bottom of the protective sleeve, a plurality of groups of stirring devices arranged on the main shaft, sludge separating plates symmetrically arranged on adjacent stirring blades of the stirring devices, and sludge supporting plates arranged on the sludge separating plates and distributed oppositely. The mud separating plate and the mud supporting plate are distributed in a linear mode in the height direction of the main shaft, a medicine injection space is formed by the mud separating plate and the mud supporting plate, and the medicine spraying assembly is provided with a liquid medicine spray head matched with the medicine injection space. Sludge is divided by the sludge dividing plates welded on the stirring blades in the rotating direction of the stirring blades, then the sludge is supported by the sludge supporting plates, finally, a chemical injection space is formed behind the sludge supporting plates, the sludge is divided into a space at the position, and at the moment, a curing chemical is sprayed to the sludge space from the chemical spray head after passing through the corrugated pipe from the chemical inlet pipe; and the curing agent is sprayed deep in the sludge, so that the agent mixing effect is improved.

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 invention relates to the technical field of sewage treatment devices, and discloses an ecological floating island for river regulation and purification, which comprises a floating bed, a photovoltaic energy storage assembly is fixedly arranged on one side of the top of the floating bed, a guide plate is fixedly arranged on one side of the floating bed, a plurality of circulation grooves are formed in a plate body of the guide plate, and the circulation grooves are communicated with the photovoltaic energy storage assembly. The flow guide plate is matched with the circulation groove to guide part of water flow to the side face of the floating bed, and two adjusting plates are arranged on one side of the flow guide plate. A moving rod is matched with a moving cylinder to move under the driving action of an electric push rod or a flow baffle according to the flow speed of water flow, and is matched with a sliding sleeve to drive an adjusting plate to move, so that the area of an overlapping region of an adjusting groove and a circulating groove is matched with the range of the flow speed of the water flow; the flow of water flowing through the circulating groove is within a rated range under the flow guide effect of the flow guide plate, so that the duration of the pollutants flowing through the rhizome area of the emergent aquatic plant is ensured, and the water purification efficiency is further improved through medicament feeding under the condition.

The invention provides a hydrodynamic model-based mountain river flood diversion tunnel line and scale optimization design method, which comprises the following steps of: constructing a one-dimensional hydrodynamic mathematical model of a research area drainage basin by adopting MIKE11 software, and constructing a one-dimensional hydrodynamic model of the research area drainage basin according to the one-dimensional hydrodynamic mathematical model of the drainage basin, boundary conditions and calibrated comprehensive roughness; and calculating designed flood water surface lines of different frequencies of the urban section. According to the actual situation of a city, aiming at urban flood causes and main problems existing in a current flood control system, engineering measure schemes such as flood control reservoir construction, beach retreating and river returning, river regulation, embankment heightening and flood diversion channel building are proposed, and a flood diversion tunnel route and planning optimization research is developed on the basis of a hydrodynamic model. Numerical simulation of flood disasters is completed by means of the modern information technology, a complete disaster prevention and control system is established for achieving the purposes of scientization, high efficiency and automation of disaster prevention and relief decision, the urban flood prevention capacity can be comprehensively improved, and the life and property safety of the masses is guaranteed.

The utility model relates to the technical field of river regulation equipment, and discloses an assembly type flood bank for river regulation. The assembly type flood bank for river regulation comprises a bottom plate, mounting seats and balancing weights, the bottom plate is fixedly connected with a plurality of mounting seats, the mounting seats are fixedly connected with the balancing weights, the assembly type flood bank further comprises an electric push rod, a push rod plate, a lifting plate, a sleeve, a connecting rod and a baffle, the electric push rod is mounted on the mounting seats, and the lifting plate is fixedly connected with the electric push rod. A push rod plate is connected to a telescopic rod of the electric push rod, a lifting plate is slidably arranged on the mounting base, the top of the push rod plate is connected with the lifting plate, a plurality of sleeves are fixedly connected to the bottom plate, connecting rods are slidably arranged in the sleeves, a baffle is fixedly connected to the top of the lifting plate, and the connecting rods are connected with the baffle. The telescopic rod is controlled to extend by starting the electric push rod, and then the push rod plate and the lifting plate connected with the push rod plate are driven to move upwards, so that the height of the flood bank is automatically adjusted according to the actual height of flood.

The utility model discloses a bank slope sheet pile sinking machine for river regulation, which belongs to the technical field of sheet pile sinking and comprises a movable base station, and a loading bin is fixedly mounted on the left side of the upper end of the movable base station; the left side of the upper end of the movable base table is further provided with a distributing mechanism. A rotating table is rotationally arranged on the right side of the upper end of the movable base; a double-station continuous pile sinking mechanism is mounted at the upper end of the rotating table; the double-station continuous pile sinking mechanism comprises a moving assembly and a rotating assembly. The two moving assemblies are symmetrically installed on the front side and the rear side of the upper end of the rotating table, the rotating assemblies are installed on the moving assemblies, and the hydraulic clamping jaws are connected with the rotating assemblies. In this way, the extra time for grabbing the sheet pile is shortened, and the pile sinking efficiency of the device is improved; through cooperation of the moving assembly and the rotating assembly, the device can conduct sheet pile sinking operation and also can conduct sheet pile grabbing operation at the same time, continuous sheet pile sinking operation is achieved, continuous sheet pile sinking is achieved, and the quality of bank slope river regulation and pile sinking is improved.

The present invention discloses a riverbank collapse early warning method based on the analysis of the acceleration trend of soil surface displacement, which relates to the technical field of riverbank collapse early warning. The method includes: arranging GNSS measurement site positions according to the potential risk areas of riverbank beach collapses and the transverse and longitudinal distances of collapse pits in the region; performing real-time traceability filtering and denoising calculations on the continuously online monitored soil surface displacement data based on a Butterworth low-pass filter; performing real-time acceleration trend discrimination calculations on the filtered soil surface displacement data, and using the calculated linear acceleration trend intensity to perform risk classification early warning discrimination on the collapse risk thresholds of different collapse risk levels; carrying out on-site surveys and result verification of riverbank collapse risks according to the results of the risk classification early warning discrimination. The method of the present invention has important engineering application values in aspects such as river safety monitoring, disaster early warning, and emergency management, and can provide scientific support for river regulation, dike safety maintenance, and the construction of smart water conservancy.

The utility model provides a river regulation bank protection desilting device which comprises a mounting seat, the top of the mounting seat is provided with a filter box through a rotating mechanism, one side of the filter box is fixedly provided with a stand column, and one side of the stand column is provided with a desilting cover through a lifting mechanism. The vertical column, the lifting mechanism, the dredging cover and the like can be rotationally adjusted through rotating mechanisms such as a third servo motor and a rotating disc, and different positions in a river channel can be conveniently dredged through cooperation with lifting mechanisms such as a first servo motor, a first screw rod, a cross rod, a second servo motor, a second screw rod, a telescopic rod and a fixed pipe; the orientation and angle of carrying equipment do not need to be adjusted, operation is easy, sludge can be scattered through a fourth servo motor and a stirring paddle, the sludge can be conveniently pumped out, and the practicability of the device can be improved; and sludge can be filtered through the filter box and the filter screen, the sludge and water are separated and discharged separately, and the dredging efficiency of the device can be improved.

The unpowered dredging equipment in river regulation comprises two symmetrically arranged water flow outlet arc-shaped plates, and the two water flow outlet arc-shaped plates are symmetrically arranged close to the river bank side; at least two water flow inlet steering plates are arranged in the direction right facing the water flow, a small-scale centripetal radian plate is arranged in the direction back to the water flow, and a water flow outlet end is arranged between the small-scale centripetal radian plate and the water flow outlet arc-shaped plate. The two symmetrically-arranged water flow outlet arc-shaped plates, the water flow inlet steering plate and the small-scale centripetal radian plate integrally define a ring shape, and the diameter of the ring shape needs to be matched with the width of the river bottom. According to the utility model, the water flow dynamics principle and the engineering design are utilized, and the sludge is automatically cleaned through the water flow of the riverway. By using the device, the manual cleaning cost and workload can be reduced, meanwhile, interference to the environment is reduced, the ecological environment of the river channel is protected, and the smoothness of the water channel is maintained.

The present application belongs to the field of water and soil conservation ecological technology and river regulation engineering, and particularly relates to a kind of northern watershed water and soil conservation riparian zone habitat configuration method, and the construction area of riparian zone habitat is constructed along the slope from the river bank slope to the underwater region of water-land interlaced area, and a strengthened carbon storage embankment shelterbelt area, a wetland carbon sequestration buffer zone and an enhanced carbon deposition and burial shallow water / deep pool area are constructed; the strengthened carbon storage embankment shelterbelt area comprises a carbon sequestration functional soil and water conservation forest network, a "Z" type energy reduction stepped slope overflow ditch and a carbon reduction retention ditch arranged in a "coordinate system"; the wetland carbon sequestration buffer zone comprises a carbon sand deposition pool, a biodiversity wetland and an intermittent wetland ecological water requirement shallow dike; the carbon deposition and burial shallow water / deep pool area comprises an underwater shallow water / deep pool system constructed by a fishbone type wood dike and a methane configuration aquatic plant planting cabin for preventing river erosion. The present application can promote the potential of carbon sink growth and promote the riparian ecosystem of water and soil conservation.

The invention relates to the technical field of river dredging, in particular to a dredging device for river regulation. The technical problems that due to the fact that silt deposits for a long time, part of the silt is dense, the fluidity of the silt is poor, criss-cross aquatic plants can grow in the silt, the advancing resistance of the device is large, and the dredging effect on a river channel is poor are solved. A dredging device for river regulation comprises a mounting frame, a connecting pipe is fixedly connected to the mounting frame, a telescopic pipe is slidably connected into the connecting pipe, and a silt suction bin is fixedly connected to the telescopic pipe. And the synchronous frame translates in a reciprocating manner to drive the six rotating arms to swing in a reciprocating manner, so that the rotating arms crush the dense sludge, the flowability of the sludge is improved, and the dredging effect on the river channel is further enhanced.

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.

The invention relates to the technical field of embankment anti-seepage treatment of river regulation engineering, and discloses an anti-seepage treatment method for the periphery of a pier foundation of a near-embankment section of a cross-embankment bridge. And a circle of high-pressure rotary jet grouting cement soil piles are jetted on the periphery of the cast-in-place pile foundation within the dike management range to serve as a transition layer between the cast-in-place pile foundation and a soil body. The invention further discloses a construction method of the high-pressure rotary jet grouting cement soil pile. According to the anti-seepage treatment method for the periphery of the pier foundation of the near-dike section of the dike-crossing bridge, on the premise that an original dike body structure is not damaged, contact scouring between a dike foundation soil body and the pier cast-in-place pile foundation is effectively prevented, the possibility of seepage damage of the dike foundation in the flood season is reduced, and the flood prevention safety of the dike of the dike-crossing section of a newly-built bridge in the flood prevention season is guaranteed.

The utility model provides a continuous desilting device for river regulation, which relates to the technical field of hydraulic engineering and comprises a self-absorption sewage pump body, the bottom of the self-absorption sewage pump body is fixedly connected with a square bearing plate, and the bearing plate is made of plastic materials. A pushing handle is fixedly connected to the top of the bearing plate and located on the left side face of the self-suction sewage pump body, the pushing handle is made of an aluminum alloy material, universal wheels are installed at the corners of the periphery of the bottom of the bearing plate, and first electric push rods are correspondingly installed at the positions, close to the universal wheels, of the bottom of the bearing plate; the fixed ends of the first electric push rods are fixedly connected with the bearing plate, the output ends of the first electric push rods are fixedly connected with supporting legs, and the periphery of the bearing plate is fixedly connected with an inflatable airbag. Through the design, sludge in a river channel can be effectively cleaned, and the device is convenient to move, so that the continuous dredging capacity is high; and the dredging efficiency is effectively improved.

1. The name of the design product: shaft mixed flow pump (integral type). 2. The use of the design product: applied to urban industrial and mining water supply and drainage, municipal engineering, sewage treatment; steel, metallurgy, power plant, shipbuilding, water plant circulating water, water lifting and other aspects; flood control, water diversion project, river regulation; farmland irrigation, water plant breeding, salt field, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention relates to the technical field of river regulation, in particular to an interception barrier for river regulation, which comprises a main shaft, two fixing blocks and a plurality of mutually parallel baffles, two ends of the main shaft are rotatably mounted on the two fixing blocks, the baffles are positioned between the two fixing blocks, the main shaft penetrates through the baffles and is rotatably matched with the baffles, and the main shaft is rotatably mounted on the main shaft. According to the device, oil dirt and garbage floating in a river channel are intercepted and caught mainly through the first catching net and the second catching nets, and the oil dirt and the garbage can be caught through rotation of the first catching net and the second catching nets; according to the fishing device, the fishing net and the river channel water flow are backflushed from the inside to prevent the meshes from being blocked, and the large floating garbage blocked in front of the fishing net is fished through rotation and vertical sliding of the fishing plate, so that the large floating garbage is prevented from being accumulated in front of the net to influence the fishing work of oil stains.

The utility model discloses a kind of narrow river embankment retaining wall steel frame concrete combined support reinforcing devices, it is related to river regulation technical field, including combined steel frame bottom beam, combined steel frame stand column is fixedly welded in the two sides of combined steel frame bottom beam, excavation groove is equipped on rotary jet pile foundation, combined steel frame bottom beam is placed in excavation groove, bottom beam concrete that combined steel frame bottom beam is wrapped is poured in excavation groove, a layer of flat cement paving layer is laid above rotary jet pile foundation, silt paving layer is laid above cement paving layer, connecting reinforcement is equipped between combined steel frame stand column, combined steel frame stand column and connecting reinforcement are laid with combined steel frame stand column interplate wall, combined steel frame stand column interplate wall is fixedly attached in the disease retaining wall of river.This utility model is directed to narrower river, especially building area, by layer laying, support using steel frame, structure is stable, not easy to collapse, river is easy to clean while can guarantee ecological environment, practicality is strong, suitable for promotion.

The invention discloses a silt discharging device for river regulation, and belongs to the technical field of river regulation. By arranging a cutting mechanism, the output end of a power source is connected with a driving wheel, a cutting reamer is connected with a transmission belt, and when a motor is started, torque generated by the motor is transmitted to the transmission belt through the driving wheel and a driven wheel to drive the cutting reamer to rotate; by pushing the grip, the grip drives the shovel plate to slide on the river channel, the rotating cutting reamer is close to the edge of the river channel in the sliding process, at the moment, the cutting reamer rotates to cut sludge on the river channel wall, and the cut sludge is shoveled up by the moving shovel plate and reaches a sludge outlet channel formed in the bottom of the pump machine. The sludge is pumped to the sludge outlet channel arranged at the top through the pump machine, and the sludge outlet channel at the top can be connected with a sludge suction pipe and conveys the sludge to a storage yard.

The utility model discloses river regulation trash holding equipment which comprises a first dam body, a second dam body is arranged on one side of the bottom end of the first dam body, a first side guide plate is arranged on one side of the top end of the second dam body, the outer wall of the first side guide plate is fixedly connected with the outer wall of the first dam body, and a second side guide plate is arranged on the other side of the top end of the second dam body. The outer wall of the second side guide plate is fixedly connected with the outer wall of the first dam body, a lower guide plate is arranged on the inner side of the second dam body between the second side guide plate and the first side guide plate, the outer wall of one side of the lower guide plate is fixedly connected with the outer wall of the first dam body, and a trash holding net is installed on the outer wall of the side, away from the first dam body, of the lower guide plate. A supporting frame is arranged on one side of the top end of the first dam body. According to the utility model, not only is the maintenance convenience of the trash holding equipment improved, but also the blockage phenomenon of the trash holding net is reduced, so that the trash holding effect of the trash holding net is ensured, and the energy-saving property of the trash holding equipment in use is improved.

According to the technical scheme, the slope protection structure for scenic area river regulation is characterized in that the slope protection structure belongs to the field of slope protection structures and comprises a body mechanism, a connecting mechanism is installed at the inner end of the body mechanism, a positioning mechanism is installed at the outer end of the body mechanism, and the positioning mechanism comprises a clamping rod; the clamping rods are uniformly distributed at the outer end of the body mechanism, clamping grooves are formed in the outer ends of the clamping rods, and positioning rods are slidably connected to the top ends of the clamping rods; the clamping rods are inserted into the clamping grooves for positioning, the multiple side slope bodies are spliced, so that the protection structure can be flexibly adjusted according to different terrains and requirements through the modular design of the structure, transportation and carrying are convenient through the modular design, positioning can be conducted again through the positioning rods, and the protection structure is convenient to use. The structures are more stably mounted and spliced, so that the slope protection structure is more practical when being applied to the river regulation work of the scenic area, and the use effect of the slope protection structure is improved.

The utility model relates to the field of river regulation, in particular to a river structure with a composite structure. The section of the river channel comprises a composite structure formed by a narrow groove and a wide beach so as to meet the requirements for small flow and large flow, the narrow groove suitable for small flow is formed in the lower portion of the section, and circulation of the river channel in the small flow is guaranteed. A wide beach suitable for large flow exists in the section, and the flood discharge requirement of the river channel under the large flow is met. The wide-beach operation water surface line is larger than the narrow groove, the two sides of the wide beach are river outer retaining walls, and the shape and stability of the river are kept; inner retaining walls are arranged on the two sides of the narrow groove, and a pedestrian path is laid above the inner retaining walls to provide a hydrophilic space. The river channel structure can meet different requirements under the condition of two kinds of water flow, and the people-friendly property and the ecological property of water control are improved.

The invention belongs to the field of sewage sludge treatment, and particularly relates to a sludge treatment device for river regulation, which comprises a pretreatment module, the pretreatment module comprises a centrifugal tank rotationally arranged in a treatment box, and a power motor for driving the centrifugal tank to rotate adopts a variable speed motor; a centrifugal channel is formed in the inner side wall of the middle section of the centrifugal tank in the vertical direction, and sludge can penetrate through the centrifugal channel; a dynamic grid assembly corresponding to the centrifugal channel is arranged on the outer side wall of the middle section of the centrifugal tank in the vertical direction, and the dynamic grid assembly is used for automatically adjusting the size of a grid channel area when the centrifugal tank rotates; a flocculation stirring assembly is arranged in the flocculation box; and the dehydrator main body is a stacked screw dehydrator. In conclusion, the sludge treatment device provided by the embodiment of the invention can be used for effectively treating the sludge, and the sludge is transported after being separated and dehydrated, so that the treatment cost of the river sludge can be greatly reduced.

The application provides a river surface floating garbage cleaning device for water conservancy management, and relates to the field of river regulation. The device comprises a fixing seat fixed on both sides of a river channel, a fixing block fixedly connected to the top of the fixing seat, an L-shaped rod rotatably connected to the fixing block, a first motor arranged on the fixing seat, an output end of the first motor connected to the L-shaped rod, an outer shell fixedly connected to one end of the L-shaped rod, and a floating garbage blocking mechanism arranged at the bottom of the outer shell. The device can block floating garbage passing through the river channel through the floating garbage blocking mechanism. When it is necessary to clean the accumulated floating garbage, the first motor controls the L-shaped rod to turn by 90 degrees, so that the outer shell turns by 90 degrees, the blocking net plate turns from a vertical state to a horizontal state, and the blocking net plate at the bottom of the outer shell can fish the accumulated garbage on one side to above the blocking net plate through the setting of the frame.

The utility model relates to the technical field of riverway treatment, in particular to a riverway treatment trash holding device which comprises a cleaning mechanism fixed between river banks on two sides of a riverway, located in front of a riverway trash holding grating and used for fishing out trash in the riverway. The cleaning mechanism comprises two rectangular frames which are located in the river channel and fixedly connected with the side faces of the river levees at the corresponding positions, a round rod is arranged between the two rectangular frames, the two ends of the round rod are rotationally connected with sliding blocks sliding in the rectangular frames at the corresponding positions, and the outer wall of the round rod is fixedly connected with a fishing plate. Garbage on the water surface can be fished up through upward movement of the fishing plate, when the fishing plate moves to the top end of the rectangular frame, the fishing plate rotates by a certain angle to be in an inclined state, so that the garbage in the fishing plate rolls into the conveying mechanism, then the garbage is conveyed to a river levee through the conveying mechanism, and due to the fact that the fishing plate is in a horizontal state when the garbage is fished, the garbage can be conveyed to the river levee through the conveying mechanism. And rod-shaped garbage can be prevented from rolling into water again.

The application relates to an environmental-protection dredging device for river regulation engineering and relates to the technical field of river regulation. The device comprises a mobile vehicle body, a roller rotatably connected to the bottom of the mobile vehicle body, a dredging mechanism arranged on the mobile vehicle body and in contact with the bottom wall of the river, which is used for pushing the silt in front of the moving direction of the mobile vehicle body, a suction mechanism arranged on the mobile vehicle body and located directly above the dredging mechanism, which is used for sucking the silt on the dredging mechanism, a cutting mechanism arranged on the mobile vehicle body, the cutting mechanism comprising a cutting knife and a driving assembly, the cutting knife being located on the side of the dredging mechanism away from the mobile vehicle body, the cutting knife being connected with the driving assembly, the driving assembly being connected with the mobile vehicle body, the driving assembly driving the cutting knife to swing up and down, and the cutting mechanism being used for separating the silt in front of the moving direction of the dredging mechanism in the river. The application has the effect that the dredging efficiency of the dredging mechanism is relatively high.

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.