286 results about "Floodgate" patented technology

The invention relates to the technical field of closed-loop control, in particular to an irrigation area water gate automatic adjusting system based on fuzzy logic control, which comprises a load monitoring module, a gate parameter optimization module, an environment response adjusting module, a water level threshold setting module, a flow prediction module and a gate feedback control module. According to the method, accurate calculation of the inter-regional load difference is performed by integrating the water resource flow and pressure data, the irrigation efficiency and the response speed are remarkably improved, water requirements can be accurately matched through refined regional load analysis, water resource waste is avoided, and the adaptability of the system to environmental changes is enhanced; environment variables are monitored in real time, gate operation is adjusted, the optimal water level is maintained under the constantly changing condition, agricultural requirements and sustainable utilization of water resources are ensured, predictive analysis of flow data enhances preventive regulation and control of the system, the system can respond to future requirement changes in advance, resource allocation is optimized, and the system is suitable for large-scale popularization and application. The water resource utilization rate and the automation level of irrigation area management are effectively improved.

The invention discloses a multi-target intelligent hydraulic regulation and control method for a tidal river network sluice group. The method comprises the following steps: S1, acquiring historical detection data and hydrological data of a tidal river network; and S2, constructing a river network flow prediction model and a water level prediction model to obtain river network key section hydrodynamic data. And S3, based on a multi-objective optimization thought, nesting the flow prediction model and the water level prediction model into an improved optimization algorithm by using an objective function with hydrodynamic regulation as a core. S4, according to the multi-target requirements of river network flood control, water resources, water environment, water ecology and the like, the optimal gate opening degree is solved based on an optimization algorithm, and a real-time dynamic water gate group combined regulation and control scheme is generated. According to the multi-target intelligent hydraulic regulation and control method for the tidal river network sluice group, an optimal scheduling method and a machine learning technology are fused, a sluice group joint regulation and control scheme can be generated in real time, the river network water fluidity and the self-cleaning capacity are remarkably enhanced, and important support is provided for tidal river network water problem systematic treatment and intelligent management.

The invention relates to the technical field of intelligent monitoring, in particular to a hydraulic engineering operation state monitoring method and system. The method comprises the following steps: monitoring corresponding water conservancy dam body stress-strain data, water conservancy dam body osmotic pressure data, water gate opening position data, water area water level data and water area flow velocity data in real time; the method comprises the following steps: acquiring regional meteorological data and regional landform data corresponding to the periphery of a water conservancy project, carrying out dam body displacement analysis and sluice opening statistics, and meanwhile, carrying out water area potential influence mining analysis to obtain corresponding meteorological potential factors and landform potential factors; and performing water conservancy operation risk monitoring and emergency early warning control on the operation facilities corresponding to the water conservancy project based on the water conservancy dam body seepage displacement and the water conservancy gate opening degree in combination with the meteorological potential factors and the terrain potential factors corresponding to the water area of the water conservancy project so as to generate an operation state emergency control plan corresponding to the water conservancy project. The overall operation level of the water conservancy project can be improved.

The invention discloses a seawater exchange type breakwater management method based on intelligent control, and particularly relates to the technical field of breakwater management. By constructing a multi-parameter correlation model, environmental data such as dissolved oxygen, turbidity and water temperature are collected in real time, the coupling relation is identified, and a risk factor value is calculated, so that a water change control decision is dynamically corrected; by controlling execution units such as a water gate, a water pump or a valve, water changing operation is accurately implemented, feedback data is collected after operation, the control effect is evaluated, then self-adaptive optimization of a next round of strategy is achieved, and the judgment accuracy, control flexibility and ecological safety of the system in a complex environment are effectively improved.

To solve the problems that a water level gauge and a flow direction gauge are likely to be washed away and even if they are out of order, it is difficult to notice.SOLUTION: A first image analysis device 1 in a flood gate opening / closing system comprises: a flow direction detection unit 17 that compares image data having imaging information from a first camera 11 with flow direction information learning data for indicating flow direction information set by image data based on multiple images, and obtains flow direction determination information; and a water level detection unit 15 that compares image data having the imaging information from the first camera 11 with water level information learning data for indicating water level information set by image data based on multiple images, and obtains water level determination information.SELECTED DRAWING: Figure 7

The utility model discloses an unmanned intelligent environmental protection monitoring device, which relates to the technical field of monitoring devices, and particularly comprises a water blocking gate, a water storage tank and a water storage tank, the gathering plate is mounted at the front end of the water blocking gate and used for gathering garbage floating on the water surface; the salvage part is mounted on the water blocking gate and used for salvaging garbage floating on the water surface, and one end of the salvage part extends to the position below the gathering plate; the collecting frame is installed on the back face of the water blocking gate and used for collecting the floating garbage fished by the fishing component; and the driving component is used for driving the fishing component to circularly move along the fishing path. The unmanned intelligent environmental protection monitoring device can drive a water quality monitor to ascend and descend along with ascending and descending of the water surface height so as to adapt to monitoring of different water surface environments, a first gear of a driving motor working belt rotates to drive a second gear to work through a chain, and therefore a fishing net is driven to move; and the salvage net is matched with the salvage plate to convey the horizontally floating garbage into the collection frame for collection.

The invention relates to the field of hydraulic engineering facilities, in particular to a fishway (1), a sluice and a fishway arrangement method.The fishway comprises a plurality of turn-back sections (11) which are connected in sequence and at least partially arranged on a ramp section of a stilling pool (3) at the downstream of the sluice, and the gradient of each turn-back section is smaller than that of the ramp section of the stilling pool; the bottom end of the fish migration channel is provided with a fishway inlet (13), and the top end of the fish migration channel is provided with a fishway outlet (14) communicated with the lock chamber of the water gate. And the fishes at the downstream are attracted by the water flow which flows out of the fishway and is suitable for migration, so that the fishes enter the fishway and upstream to enter the lock chamber at the upstream of the stilling pool. Due to the fact that the fishway extends into the gate chamber of the water gate in a turning-back mode, the height difference of the stilling pool is relieved in a segmented climbing mode, the water flow speed in the fishway is lower, and therefore the fishway is suitable for fish migration, and fishes can pass through the stilling pool and the water gate through the fishway.

The utility model relates to the technical field of water gates, in particular to a flashboard structure for a water conservancy project. Comprising a mounting frame, a gate plate is arranged in the mounting frame, a first lead screw is mounted on the mounting frame in a threaded mode, the bottom end of the first lead screw is rotationally connected with the top of the gate plate, a plurality of first rectangular through holes distributed in a rectangular array are formed in the gate plate in a penetrating mode, and rectangular mounting holes are formed in the gate plate; the rectangular mounting hole is communicated with the multiple first rectangular through holes, a partition plate is slidably mounted in the rectangular mounting hole, multiple second rectangular through holes are formed in the partition plate in a penetrating mode, and the second rectangular through holes are communicated with the corresponding first rectangular through holes. By means of the simple water passing structure, slow water drainage is facilitated, the problem of water and soil loss of a canal bank can be effectively solved, meanwhile, floating objects in water can be effectively intercepted, the floating objects can be cleaned conveniently, and great convenience is brought to canal management work.

The invention discloses a riverway water gate device for hydraulic engineering, which comprises a water gate body, and further comprises a filtering unit which comprises a filtering assembly arranged at the water outlet end of the water gate body and used for filtering water flow, and an anti-blocking cleaning assembly arranged at the bottom of the filtering assembly and used for cleaning the filtering assembly; the garbage cutting-off assembly is arranged at the end, opposite to the water gate body, of the filtering assembly and used for cutting off the filtered garbage transferred out through the upper portion of the filtering assembly; and the driving assembly is arranged above the garbage cutting-off assembly and used for driving the garbage cutting-off assembly to cut off the garbage and synchronously driving the anti-blocking cleaning assembly to conduct reciprocating cleaning work along the bottom of the filtering assembly. The driving assembly drives the garbage cutting-off assembly to reciprocate up and down to cut up garbage, the cut garbage is discharged and collected, and pollution to a downstream river channel after gate opening is avoided.

The invention provides a method, device and equipment for regulating and controlling the water level of an inner ditch river of a drainage system, and the method comprises the steps: obtaining the water gate water level data of the inner ditch river and the pipe point data related to a discharge port; according to the sluice water level data, determining a riverway water level line; according to the river channel water line and the discharge outlet water line, obtaining a discharge outlet submerging state; performing infiltration defect evaluation on the pipe point data to obtain an infiltration defect evaluation result; performing mixed connection defect evaluation on the pipe point data to obtain a mixed connection defect evaluation result; according to the infiltration defect evaluation result and the mixed connection defect evaluation result, obtaining and displaying a backward flow path analysis result; and controlling the gate opening degree of the water gate according to the discharge outlet submerging state and the backward flow path analysis result. According to the invention, the accuracy and efficiency of backflow prevention and control of the drainage port of the drainage system, underground water infiltration troubleshooting, intelligent identification of the rain and sewage mixed connection point and troubleshooting of the running state abnormity of the sewage pipe network can be improved.

The invention discloses a water filling folding type layered water intake gate which comprises a dam body, and the dam body comprises a connecting piece. Moreover, a first pushing assembly is arranged on the outer wall of the connecting piece, and the first pushing assembly comprises a first rotating rod and a second rotating rod rotationally connected with one side of the first rotating rod. When the first rotating rod rotates, the second rotating rod can be pushed to move, and then the dam body is driven to be unfolded to block the water gate. By arranging the dam body and the pushing assembly, the gate can control a specific area with a specific depth to be safely, reliably and rapidly switched between a water retaining state and a water passing state according to needs, the operation efficiency, safety and reliability of the layered water intake gate of the hydropower station are improved, and the fine, automatic and intelligent level of ecological dispatching management of the hydropower station is improved.

The invention relates to an adjustable water gate device for a water conservancy project, and relates to the field of water conservancy projects, and the adjustable water gate device for the water conservancy project comprises a gate chamber used for being mounted to a dam body; the gate is slidably connected to the gate chamber in the height direction, a lifting device used for driving the gate to move up and down is arranged between the dam body and the gate, and a plurality of impurity removal openings are formed in the position, close to the top of the gate, of the gate in the height direction at intervals; the multi-stage opening and closing mechanism is arranged on the gate and used for controlling opening or closing of the single impurity removal opening; and the impurity removing mechanism is arranged on one side of the impurity removing opening and used for intercepting and removing impurities floating on the water surface. The device has the effects that in the process of conveying water resources to the downstream, floating garbage and algae are not prone to being gradually accumulated on the water surface close to one side of the gate, the floating garbage and algae are prevented from being accumulated and fermented for a long time to generate a large amount of unpleasant smell, and pollution to water quality is reduced.

The invention discloses a transverse pull type upturning door water gate structure which comprises gate reservoir structures arranged on the two sides of the center of a river channel. The upturning door structure is movably arranged in the door chamber structure and is used for retaining water; the gate reservoir gate is movably arranged on the gate reservoir structure, located between the gate reservoir structure and the center of the river channel and used for isolating water flow of the river channel, and the water gate bottom sill is arranged in the center of the river channel and matched with the upturning door module.

The application relates to a linkage control method and system based on interval floodgate states, and belongs to the technical field of intelligent protection control. The linkage control method comprises the following steps: collecting real-time states of floodgates in each interval of underground facilities, external water level data and real-time rainfall data; inputting the external water level data and the real-time rainfall data into a pre-trained risk warning model to obtain a risk warning level; determining corresponding intervals to be closed according to the risk warning level; determining intervals to be closed whose floodgates are in an open state according to the real-time states of the floodgates in each interval to be closed, and obtaining an interval to be closed list; sorting the interval to be closed list based on a preset interval closing priority; and generating a step-by-step closing control instruction according to the sorted interval to be closed list. The application can flexibly meet the closing requirements of each interval, and fully guarantees the closing safety of important intervals and the reliability of personnel evacuation during disaster diffusion.

The invention provides a guide mechanism for deep soft foundation tubular pile construction of river-facing sluice pump station engineering, which comprises two clamping jaws capable of oppositely clamping, the two clamping jaws capable of oppositely clamping are used for clamping the periphery of a tubular pile body, the two clamping jaws are rotatably connected to a multidirectional sliding mechanism, a rotation driving assembly is arranged between each clamping jaw and the multidirectional sliding mechanism, and the multidirectional sliding mechanism is rotatably connected to the multidirectional sliding mechanism. After the pipe pile body is clamped and guided, the guiding angle and the clamping and supporting position can be continuously adjusted according to needs, the situation that the pipe pile body is detached from the guiding mechanism and then adjusted is avoided, the guided and supported pipe pile body can be conveniently readjusted, and in the whole adjusting process, the pipe pile body can be conveniently and rapidly adjusted. All the operations are automatically completed through the guide mechanism, the pipe pile body is always supported by the guide mechanism, the pipe pile body can be always supported in the process of adjusting the pipe pile body in water waves, and the stability of the pipe pile body in the adjusting construction process can be maintained.

The invention provides a self-adaptive water level adjustment irrigation area water gate system, and relates to the technical field of water conservancy projects, and the system comprises a water level monitoring module which is used for monitoring the water level change in an irrigation area in real time, and feeding back the water level information to a gate control module; and the gate control module is used for receiving the water level information fed back by the water level monitoring module according to a preset water level control strategy and automatically adjusting the opening degree of a water gate of the irrigation area so as to realize self-adaptive adjustment of the water level of the irrigation area. According to the invention, functions of monitoring, control, analysis, purification, remote monitoring, energy management and the like are integrated, intelligent adjustment of the water level of the irrigation area, effective purification of water quality and continuous optimization of energy consumption are realized, and the management efficiency and sustainability of the irrigation area are improved.

The utility model discloses an anti-abrasion algae blocking floating dam which comprises a rubber plate, back plates, floating bodies, anti-abrasion assemblies and balancing weights, the back plates are symmetrically fixed to the two sides of the rubber plate, the floating bodies are arranged on the back plates, and square grooves in the anti-abrasion assemblies are symmetrically formed in the floating bodies. The bottom of the rubber plate forms a skirt body structure of the floating dam, floating objects in water are prevented or reduced from escaping from the lower portion of the floating dam, the floating dam can be arranged at a water gate or a water intake for a long time, algae can be intercepted, floating garbage and oil dirt on the water surface can also be intercepted, and water intake safety is guaranteed. The anti-abrasion supports and the rotating tables are symmetrically arranged on the floating bodies on the two sides to provide rotating support for the anti-abrasion wheels, when the floating dam collides or rubs with a water conservancy project structure under the action of water flow and wind power, buffering is conducted through the anti-abrasion wheels, the floating bodies are prevented from being damaged, and therefore the service life of the floating dam is prolonged.

The water gate convenient to clean comprises a gate frame, a gate groove is formed in the inner surface of the gate frame, a gate plate is embedded in the gate groove in a sliding connection mode, the top of the gate plate is fixedly connected with a first screw rod, a first fixing groove is formed in the gate frame, a first gear is rotationally connected in the first fixing groove, and a second gear is rotationally connected in the second fixing groove. A threaded groove in threaded connection with the first screw is formed in the center of the first gear, and a first motor is arranged at the top of the gate frame. According to the device, through the arrangement of the water pump, the water pumping pipe, the movable pipe, the fixed pipe, the water outlet holes and other structures, water in a river channel can be conveniently pumped and sprayed to the surface of the flashboard to flush the flashboard, and through the arrangement of a third motor, a sweeping roller and a bristle structure, the surface of the flashboard can be automatically brushed; and meanwhile, by arranging a second motor, a second screw rod, a screw block, a lifting frame and other structures in a matched mode, the surface of the gate plate can be washed from top to bottom.

The utility model relates to the technical field of irrigation equipment, in particular to an irrigation water tank not prone to being blocked. The irrigation water tank not prone to being blocked solves the technical problems that in the prior art, crops are prone to being washed out by irrigation equipment, and a water gate is not prone to being maintained. An irrigation water tank not prone to being blocked comprises a water tank body and a water drain valve arranged in the water tank body, and the water tank body is further provided with a water guide tank. According to the irrigation water tank, the buffer water cavity is arranged, water discharged by the water drain valve enters the buffer water cavity firstly, the water discharged by the water drain valve is subjected to pressure relief in the buffer water cavity and then is output through the water guide groove, so that crops can be prevented from being destroyed by water in the water guide groove due to overhigh pressure or overhigh flow speed, and the performance of the irrigation water tank is optimized. By arranging the scraping plate, when the water drain valve is rotated, the scraping plate is static relative to the cylinder part, so that the scraping plate can scrape stains on the inner side wall of the cylinder part, the stains are prevented from blocking the water drain hole, and the irrigation water tank is easy to maintain.

The application relates to the technical field of hydraulic engineering, and discloses a garbage filtering structure for hydraulic engineering and a construction method thereof, which comprises a water gate platform, a beam plate, a trash rack, a driving unit, a cleaning rack, a protection frame, a floating mechanism, an extension mechanism, a conveying mechanism, an air pump set and a trigger button, a rectangular opening for the extension mechanism to go in and out is arranged at the bottom of the water gate platform, beam columns reaching the bottom of a lake are arranged on the two side walls in the water gate platform, and the driving unit is provided with two; the extension mechanism and the cleaning rack can be floated on the water surface through the adjustment of the driving unit and the floating mechanism, the floating garbage can be intercepted through the inclined arrangement of the cleaning rack, the jamming of the trash rack and the cleaning frequency of the trash rack are reduced, and the problem that the floating garbage is accumulated on the water surface during the garbage interception process of the existing filtering structure, causing the water level part of the trash rack to be jammed and blocked by the garbage, is solved.

The application discloses a water gate structure stress and seepage flow intelligent monitoring system, and belongs to the technical field of water conservancy projects.The system comprises a stress monitoring module, a seepage flow collecting module and a data processing and analysis module.The stress monitoring module is used for monitoring the stress change of the water gate, including the stress change of key parts, wherein the key parts include a gate pier, a gate and a breast wall.The seepage flow collecting module is used for collecting the seepage pressure and seepage flow of the water gate.The data processing and analysis module is used for processing the stress change, seepage pressure and seepage flow, including cleaning and correction.The application can monitor the stress change of the key parts of the water gate, collect the seepage pressure and seepage flow, obtain more comprehensive and accurate monitoring data, and perform fusion processing on the data, so that the limitation of relatively independent data in traditional monitoring is broken, mutual verification and supplement among the data are realized, the safety state of the water gate is comprehensively evaluated from multiple dimensions, and the accuracy and reliability of monitoring are improved.

The present invention belongs to the technical field of river sewage purification, specifically a pulse water purification system and a river sewage treatment system and working method, including a sluice device, which is installed between the lateral banks downstream of the river, and the river water can be discharged by opening the sluice device, and at the same time, the upstream river water can be blocked by closing the valve. The present invention can perform multiple pressurized pulse purification on the river sewage, and can block and process silt, garbage and large particles to prevent blockage during pulses, so as to achieve long-term treatment of river sewage and make the downstream of the river present clean river water.

The utility model relates to the technical field of water conservancy projects, and discloses a water conservancy project river channel floating object intercepting device which is characterized in that the guide rail end of a rail frame is connected with an intercepting net frame in a sliding mode, and the upper end of a support of an arm power truss is provided with a lifting traction mechanism connected with the intercepting net frame; a material collecting opening is formed in the upper half portion of a frame of the intercepting net frame, and a material box mechanism is installed on the lower half portion of the frame of the intercepting net frame. The rail frame and the intercepting net frame are combined and arranged in front of a water conservancy project dam, a water gate and the like, floating objects in a river channel can be actively intercepted and collected, then the floating objects collected in the intercepting net frame are mechanically and autonomously moved out of the water surface under lifting traction stretching of the lifting traction mechanism, and therefore the floating objects can be automatically intercepted and collected. And under overturning unloading of the material box mechanism, the materials are unloaded in a unified mode, and the good autonomous interception and convenient unloading performance is achieved.

The disclosure provides a cross-river water diversion structure for collecting tail water and abandoned water downstream of a hydropower station, belonging to the technical field of hydraulic engineering. The water diversion structure comprises a water release gate, a drop well, a river-crossing box culvert, a tail water guiding assembly and an abandoned water guiding assembly. The water release gate is arranged in the tail water channel of the upper hydropower station and is used to cut off the tail water of the tail water channel of the upper hydropower station. The tail water guiding assembly is connected with the tail water channel of the upper hydropower station and is used to introduce the tail water cut off by the water release gate into the drop well. The abandoned water guiding assembly is connected with the stilling basin of the flood discharge tunnel of the upper hydropower station and is used to introduce the abandoned water of the stilling basin of the flood discharge tunnel of the upper hydropower station into the drop well. The drop well has a water outlet, and the river-crossing box culvert is connected to the water outlet and is located below the river channel and is used to introduce the water in the drop well into the water diversion system. The water diversion structure has the effects of improving the flood discharge safety of the upper hydropower station, reducing the disturbance to the ecological environment and reducing the construction cost.

The utility model relates to the technical field of water gates, and discloses an automatically adjustable water gate device which comprises a water channel, a first sliding groove is formed in the water channel, a support is fixedly installed above the water channel, and a first lead screw is meshed with a first connecting block. A fixing shaft is fixedly installed at the bottom of a second fixing plate, when the water level is too high, a floating block can be driven to rise upwards, meanwhile, when the water level continues to rise, the upper portion of the floating block can extrude the bottom of a button, the button is shrunk under the telescopic action of a spring and a telescopic rod, and therefore the button is triggered, and the water level is controlled to be adjusted. At the moment, a connecting table is connected with a first motor through a connecting line, so that the first motor is started, a first lead screw is meshed with a first connecting block, meanwhile, the first connecting block is fixedly connected with the gate through a first fixing plate, the gate is lifted upwards, and the purposes of timely draining water and preventing the situation that the farmland is submerged due to water level overflow are achieved.

The invention discloses a scheduling method and device for a power generation and water diversion hub, computer equipment and a storage medium. The method comprises the steps that the current upstream water level, the current downstream water level and the target flow of the power generation and water diversion hub are obtained; predicting the upstream and downstream water level difference based on the current upstream water level and the current downstream water level under the condition of the target flow; if the upstream and downstream water level difference meets the preset range condition, unit overflowing is dispatched; if the upstream and downstream water level difference does not meet the preset range condition, the dispatching unit and the water diversion gate jointly flow. By the adoption of the scheme, self-adaptive adjustment of the unit flow and the water diversion gate flow during hub operation is achieved, and the problem that water diversion requirements and power generation are difficult to coordinate in the dispatching production process is solved.

This utility model relates to the field of gate technology and discloses a folding floodgate, including a gate seat. A motor is fixedly connected to the right side surface of the gate seat, and a water flow channel is opened through the front and rear of the gate seat. Support grooves connected to the water flow channel are opened on both the left and right sides of the gate seat. A gate plate is movably connected inside the water flow channel, and support members are provided on both the left and right sides of the gate plate. A positioning mechanism is provided on the upper surface of the gate seat. The positioning mechanism, which drives the positioning rod to rise and fall by a winch mechanism, makes the positioning rod press against the gate plate to form a rigid support after the gate plate is closed. This, together with the brake lock of the motor, forms a double electromechanical pressure-resistant structure, which significantly improves the stability of the gate plate against flood impact. The rising and falling of the positioning rod is automatically linked with the opening and closing of the gate plate, which ensures the mechanical reinforcement and pressure-bearing reliability when closed and avoids motion interference when opening, realizing safe and efficient coordination of flood control and rapid flood discharge.

This invention proposes a protective device and method for preventing the spread of pollutants in aquatic ecological environments, belonging to the field of ecological protection. The method includes the following steps: a water diversion channel is set up on one side of a river channel; anchor points are set up on the riverbank on the same side of the water diversion channel; a guide fluid is connected to the anchor points and allowed to float freely on the river surface; when the guide fluid is inclined at an acute angle relative to the river's flow direction, its end is anchored; the guide fluid is used to change the river's flow trajectory, causing floating debris in the water to bypass the water diversion channel. This invention uses a floating guide fluid placed obliquely on the bank, utilizing fluid dynamics principles to change the surface water flow trajectory, lifting floating debris from the inlet area of ​​the river flow rather than forcefully intercepting it. This results in minimal occupation of the river's cross-sectional area by the guide fluid, with the resulting water level rise only on the millimeter level, having almost no impact on upstream flood discharge and the water diversion capacity of the sluice gate, achieving the effect of diverting flow without obstructing water.

The silt flushing system comprises a water taking opening, a silt flushing pump set unit, a silt flushing main pipe, a silt flushing branch pipe, a manual silt flushing connector short pipe, a silt flushing hose, an adjusting valve, a silt cutting water gun, a silt guiding water gun, a hose water gun and a maintenance corridor. The water intake is a water intake device of the silt flushing system; the silt flushing pump set unit provides pressure water for the silt flushing system; the silt flushing main pipe conveys pressure water to the silt flushing branch pipe and the manual silt flushing connector short pipe. The silt flushing branch pipe is connected with the silt flushing main pipe, the silt cutting water gun and the silt guiding water gun; the manual silt flushing connector short pipe is connected with the silt flushing main pipe and the silt flushing hose, and adjusting valves are arranged on the silt flushing branch pipe and the manual silt flushing connector short pipe so as to adjust the water amount of each water gun; the silt flushing hose is connected with a hose water gun; the silt cutting water gun is close to the gate and used for dispersing silt; the silt guide water gun is arranged below the maintenance platform and is used for dispersing silt and forming a silt washing water channel; the hose water gun is used for manual silt flushing; and the maintenance corridor is used for checking and maintaining the water gun.