357 results about "Sluice" patented technology

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 relates to the technical field of sediment section sluicing, in particular to a sediment section sluicing change prediction method under the influence of a water gate. Acquiring a current erosion and deposition topographic sequence corresponding to the target gate at the current moment, and acquiring future rainfall-runoff data, future upstream and downstream water level difference and future tide level change data corresponding to the target gate within a future preset duration; determining future gate scheduling data corresponding to the target gate based on the future rainfall-runoff data, the future upstream and downstream water level difference and the future tide level change data; and inputting the current erosion and deposition topographic sequence, the future rainfall-runoff data, the future upstream and downstream water level difference, the future tide level change data and the future gate scheduling data into a preset erosion and deposition change prediction model, and outputting the silt fracture surface erosion and deposition change corresponding to the target gate in the future preset duration. And timely and reliable technical support is provided for hydraulic scheduling and risk management, and safe and efficient operation of the estuary tide gate is achieved.

The invention relates to the technical field of hydraulic engineering control, and discloses a local anti-error software system applied to gate pump station remote control, which comprises a remote control center, the remote control center is in wireless communication connection with the local anti-error host through double-channel communication, and the local anti-error host performs double verification on a control instruction sent by the remote control center and a local equipment state through the real-time state double verification unit so as to ensure real-time synchronization of the remote instruction and the local state. The anti-error decision-making unit carries out real-time monitoring and intelligent decision-making on the operation state of the gate pump station through a real-time state monitoring module, a preset water level warning value, an instruction pre-calculation module and a self-locking feedback module so as to cope with dynamic changes such as water level abrupt change, so that the system can adjust the gate opening degree and the operation state of a water pump in time according to the water level abrupt change; the safety and the stability of the gate pump station under complex working conditions are improved, and disasters such as flood caused by the fact that water level changes cannot be handled in time are effectively avoided.

The utility model provides a distribution type water gate structure which comprises a plurality of lifting door water gate units arranged under the water surface side by side in the width direction of a river channel, each lifting door water gate unit comprises a water gate base, a buoyancy tank steel gate and inflation and exhaust equipment, a gate bin is arranged on the water gate base, and breast walls in the length direction are arranged on the front side and the rear side of the gate bin; the buoyancy tank steel gate is installed in the gate bin and comprises a gate body and a gate top cap, the gate body is provided with an inner cavity, and a water inlet and outlet hole is formed in the lower portion of the gate body. The inflation and exhaust equipment communicates with an inner cavity of the gate body through an inflation and exhaust hose to adjust the water volume of the inner cavity of the gate body and control lifting of the gate. When no tide or water is blocked, the gate main body sinks until the gate top cap is located at the top end of the breast wall of the gate base; when water or tide needs to be blocked, the buoyancy tank steel gate is inflated and pressurized through the inflation and deflation equipment, the gate gradually ascends to the preset height under the action of buoyancy, and then the tide blocking function is achieved.

The invention discloses a water gate structure safety monitoring system and method, belongs to the technical field of computer communication, breaks through isolated parameter monitoring limitation, constructs multi-physics field dynamic coupling analysis capability, carries out deep fusion processing on multi-source data, improves data reliability and defect identification precision in a complex environment, and improves the safety of the water gate structure. And the use effect of real-time quantitative evaluation of the structural state is realized by utilizing the technical means of dynamic model inversion and parameter calibration, that is, a stress-deformation-leakage three-dimensional finite element coupling model is constructed, dynamic calibration of material parameters and real-time inversion of the structural state are realized in combination with long-term monitoring data, the limitation of isolation of traditional monitoring is broken through, and the real-time quantitative evaluation of the structural state is realized. And a more accurate technical support is provided for water gate safety assessment.

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.

The invention discloses a sluice intelligent control data real-time processing method based on edge calculation, and relates to the technical field of sluice control data analysis, and the method comprises the following steps: obtaining the basic feature data of a sluice, obtaining the sluice opening degree flow relation, and collecting the related data of a water body in real time; in the water gate opening or closing process, the gate passing flow under different opening degrees is collected, data preprocessing is carried out, and basic opening degree flow data are obtained; theoretical opening flow analysis is carried out to obtain theoretical opening flow data; gate blockage analysis is carried out based on the basic opening flow data and the theoretical opening flow data, and the gate blockage condition is obtained; the method is used for solving the problems that when an existing water gate control data analysis technology is used for diagnosing and analyzing the water gate blocking condition through the lockage flow, blocking abnormity and opening abnormity cannot be accurately distinguished according to the deviation between the theoretical lockage flow and the actual lockage flow in the gate opening change process, and meanwhile the blocking condition cannot be judged.

The invention provides an urban lake group low-carbon regulation and control method and system. The method comprises the following steps: acquiring geographic space, terrain, weather, hydrological observation and drainage basin management data of a target lake; on the basis, lake inflow and pollutant concentration data are calculated; simulating and calculating flow field distribution and water quality index data of the target lake by combining topographic data of the target lake; constructing an optimization model aiming at minimizing gate pump energy consumption and maximizing lake water quality improvement; and solving the optimization model based on the lake inlet flow, the pollutant concentration, the flow field distribution, the water quality index, the gate pump power coefficient, the gate pump flow, the lift and the seasonal duration to obtain gate pump regulation and control parameter set data so as to realize low-carbon regulation and control of the urban lake group. According to the urban lake group low-carbon regulation and control method and system provided by the invention, seasonal change can be allocated to optimize water quantity, lake inlet flow can be adjusted, water quality can be improved, water fluidity can be enhanced, lake ecological environment restoration can be promoted, energy consumption can be reduced, and green low-carbon treatment can be realized.

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 invention discloses a flood discharge gate structure dynamic load time domain rapid identification and dynamic response field inversion method comprising the following steps: 1) carrying out a vibration test of a flood discharge gate structure, and obtaining a multi-source vibration response signal of the flood discharge gate structure; 2) constructing a unit impulse response matrix H and a load shape function matrix N; 3) establishing an inverse analysis model X = HNA for dynamic load time domain identification of the flood discharge gate structure; 4) inversely solving the load shape function coefficient matrix A to obtain a dynamic identification load of the flood discharge gate structure; and 5) inputting the identification load as an external load of the sluice structure to obtain an overall dynamic response field of the sluice structure.The method is based on the multi-source actual measurement vibration response of the sluice structure, the improved dynamic load time domain identification method based on the shape function is adopted, the time domain load of the sluice structure can be rapidly and effectively identified, and the identification accuracy is high.

The invention discloses a sluice multi-monitoring-point deformation monitoring model construction method, which comprises the steps of S1, constructing a group of bidirectional analysis frameworks, and forming a two-dimensional panel by fusing time sequence data and sluice cross section data; s2, expanding the two-dimensional panel containing the time dimension and the cross section dimension to a geographic space attribute level to construct a three-dimensional panel; s3, on the basis of three-dimensional panel data representation, performing clustering analysis according to the space-time similarity of the monitoring points, constructing an information criterion to evaluate candidate clustering numbers, performing parameter calibration by adopting a random coefficient model, constructing a Gaussian mixture model in each cluster as a multi-monitoring-point model, then estimating undetermined model parameters through the random coefficient model, and performing multi-monitoring-point monitoring on the multi-monitoring-point model. The method is used for constructing a deformation monitoring model of the sluice gate and carrying out fitting and prediction capability evaluation. According to the method, collaborative modeling can be carried out on data of a plurality of monitoring points, deformation space correlation characteristics between adjacent monitoring points are represented, and the accuracy and effectiveness of sluice deformation prediction are improved.

The invention relates to the technical field of water conservancy monitoring, in particular to a sluice three-dimensional deformation intelligent monitoring method based on multi-station linkage total stations, which comprises the following steps: arranging a control network comprising a working base point and a checking base point in an upstream area of a sluice body, and arranging at least two automatic total stations, arranging a plurality of prism monitoring points on the gate pier to be detected; carrying out multi-measurement-back automatic observation on the prism monitoring points through the automatic total station, and collecting angle and distance observation values in real time; acquiring environmental parameters in real time based on a meteorological sensor, performing dynamic meteorological correction and network adjustment processing on observation data, and generating a three-dimensional coordinate sequence of each monitoring point; and carrying out displacement trend analysis and safety state early warning according to the three-dimensional coordinate sequence. The defects of the traditional means in the aspects of precision, efficiency and environmental adaptability are overcome, and a novel horizontal displacement monitoring technology which is high in precision and reliability and suitable for long-term automatic operation is formed. The method is mainly applied to water conservancy monitoring.

The invention relates to the technical field of hydraulic engineering monitoring and control, in particular to a sluice pump station operation state and water regimen linkage monitoring system. The decision control unit is used for generating long-term prediction information and short-term prediction information based on hydrological observation data and generating control instructions of the opening degree of a water gate and the rotating speed of a water pump. The control instruction execution unit is used for executing the corrected control instruction of the water gate opening degree and the water pump rotating speed; the linkage safety interlocking unit is used for transmitting a standby pump starting instruction to the control instruction execution unit when the first condition and the second condition are met at the same time, sending a blocking signal to the tactical optimization module, and sending a release signal to the tactical optimization module after the standby pump starting instruction is executed. According to the system, low efficiency or safety risk caused by a fixed strategy and execution of wrong operation under the condition that the equipment has a fault or has a fault are avoided, and secondary damage to the equipment and interruption of system operation caused by improper control instructions are effectively prevented.

The invention relates to an intelligent trestle control system for a molten iron combined transportation dam-crossing railway, which comprises a monitoring device and a plurality of subsystems, and is characterized in that each subsystem comprises a water level measuring device for measuring the water level condition in real time; the intelligent electric hydraulic mechanism is used for automatically adjusting the height of the bridge pier according to the real-time water level condition so as to adjust the height of the trestle; the gantry crane control system is used for controlling transportation of containers between a railway train and a cargo ship and comprises the steps that after the cargo ship is parked on one side of a trestle, the containers on the cargo ship are hoisted to the train parked on the trestle, or the containers on the train parked on the trestle are hoisted to the cargo ship parked on one side of the trestle; the rapid gate opening and closing device is used for controlling the gate opening and closing state of the flood control gate groove section based on the real-time water level condition; and the monitoring device is used for being connected with the subsystems through the multi-modal data fusion processor and executing cooperative control.

The invention discloses a hydropower station unit tail water gate groove water surface floating object salvaging device which comprises a rail fixed to a hydraulic structure, a remote control driving device capable of moving in the extending direction of the rail and a salvaging basket hung on a lifting appliance. The remote control driving device is connected with a lifting appliance and can drive the fishing basket to move in the up-down direction and the extending direction of the rail, so that water surface floating objects in the tail water gate groove are fished through the fishing basket. A remote control driving device and a movable fishing basket are adopted, so that the working efficiency of fishing the floating objects on the water surface is improved; and in addition, the fishing device efficiently and cleanly fires water surface floating objects in the tail water gate groove before the tail water gate is ready to fall during unit maintenance, it is guaranteed that the tail water gate of the unit falls in place at a time, the safety risk that personnel dive is avoided, and the maintenance work period is shortened.

The invention relates to a multi-channel-pool cooperative regulation and control method, system and device and a medium, and belongs to the technical field of hydraulic engineering automation control. The method comprises the steps that the overshoot flow of each channel pool under the preset water diversion working condition is calculated; calculating the maximum variable amplitude of the water level in front of a sluice of each channel pool under the preset water diversion working condition by combining an objective function of a feed-forward control optimization model with the overshoot flow; under the constraint of at least one constraint condition, through the feed-forward control optimization model, with the minimization of the maximum variable amplitude of the water level in front of the gate as a target, dynamic storage capacity compensation iterative calculation is carried out, and a target overshoot flow proportionality coefficient of each channel pool is obtained; and according to the target overshoot flow proportionality coefficient of each channel pool, a regulation and control instruction of each check gate is generated, and the multi-stage check gates are regulated and controlled according to the regulation and control instructions. Through the cooperative regulation and control instruction set of the multi-stage check gates, cooperative control of the multi-stage check gates is realized, the hydraulic coupling effect between channels and pools is quantified, and the real-time control efficiency under complex working conditions is improved.

The utility model discloses a sluice energy dissipation and scour prevention structure, which belongs to the technical field of hydraulic engineering facilities, and comprises a sluice dam foundation and a concrete sluice dam built on the sluice dam foundation, a concrete apron is poured on the downstream side of the concrete sluice dam, an energy dissipation device is arranged above the concrete apron, and a plurality of groups of buffer waterwheels are arranged on the downstream side of the energy dissipation device. The buffer waterwheel comprises a rotating shaft rotationally arranged on the concrete apron and a plurality of rotating fan blades fixedly connected to the rotating shaft, the rotating fan blades are evenly arranged in the circumferential direction of the rotating shaft, two anti-scour walls are poured below the tail end, in the water flow direction, of the concrete apron, and the lower ends of the anti-scour walls are located in the gate dam foundation. A concrete apron is poured on the downstream side of the concrete apron, the concrete apron is composed of a plurality of rectangular frame bodies, and the rectangular frame bodies are filled with concrete tetrahedrons. The flood discharge gate has the effects of improving the structural strength of the flood discharge gate, improving the construction rapidness and improving the efficiency of the flood discharge gate.

The invention relates to the field of river sluice freezing prevention, in particular to a river sluice bubble type anti-icing structure which comprises two sluice piers and a sluice gate assembly fixedly arranged between the two sluice piers, and a supporting plate capable of moving up and down is arranged between the two sluice piers. A plurality of anti-icing assemblies used for preventing the gate assembly from being frozen are arranged at the bottom of the supporting plate. When the gate assembly is subjected to freezing prevention, in the process that the aeration pipe is used for discharging a large number of bubbles for freezing prevention, surrounding type protection is formed on the aeration pipe through the two corresponding semicircular protection cylinders, and large-size impurities such as aquatic plants and floating garbage can be prevented from making contact with the aeration pipe; the anti-freezing effect is ensured; meanwhile, the cleaning frequency of the aeration pipe is reduced; meanwhile, a plurality of semicircular pile casings which are connected in a closed mode can be horizontally connected in series through the connecting pieces, a filtering barrier can be formed when the gate assembly drains water, floating objects such as aquatic plants and garbage are effectively blocked, and the gate is prevented from being blocked in the water draining process.

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 hydrodynamic simulation method for an open channel water transfer system under a rainstorm scene, which comprises the following steps of: S1, regarding rainfall into a channel of the open channel water transfer system as a special drainage basin confluence production process, simulating sudden rainstorm in a uniform distribution side inflow manner, and autonomously fitting a lockage flow relationship of a check gate according to actually measured data; s2, performing automatic calibration of a convergence range correction coefficient by adopting an optimization algorithm to obtain an optimal convergence range correction coefficient; and S3, introducing an automatically calibrated optimal confluence range correction coefficient, updating a unit width side inflow formula, and generating a hydrodynamic simulation result coupled with the rainstorm process in combination with the one-dimensional hydrodynamic simulation model. The method has the advantages that the analogue simulation precision of a hydrodynamic model in a rainstorm scene is improved, a reference is provided for water delivery dispatching extreme working condition rehearsal and scientific emergency dispatching plan making, and a technical support is provided for operation safety and water supply safety of an open channel water transfer project.

The invention provides a gate pump station water level prediction method based on microwave link rain measurement data, and belongs to the field of microwave signal processing and hydrological application. The method comprises the steps of collecting data of a gate pump station; utilizing the collected microwave link attenuation time sequence data to invert regional rainfall intensity; processing the inverted regional rainfall intensity together with the upstream and downstream water levels of the gate pump station, the gate opening height and the pump operation state into multi-input training data; constructing a multi-input single-output water level prediction model; training the water level prediction model by using the training data; and using the trained water level prediction model to predict the water level of the gate pump station. According to the method, key factors influencing the water level change of the gate pump station are fully considered, a water level prediction model based on LSTM + Attention is designed, and accurate prediction of the upstream water level of the gate pump station can be achieved.

The invention provides a crossing sluice intelligent regulation and control method and system based on multi-sensor data fusion, and the method comprises the steps: obtaining multi-source synchronous data collected by a water level sensor, a flow sensor and a structural stress sensor; evaluating whether a gate overload risk exists in the current working condition according to the multi-source synchronous data; when the overload risk exists, the dynamic model is used for obtaining the target gate opening degree; the gate opening degree is regulated and controlled according to the target gate opening degree; and the regulated gate opening degree is obtained to optimize the dynamic model. Through multi-source sensor data fusion and dynamic model prediction control, real-time early warning and self-adaptive regulation and control of the gate overload risk are realized, a closed-loop optimization system is formed, and compared with a traditional method, the control precision is remarkably improved.

The utility model relates to the technical field of sewage discharging and sluice valve, and discloses a sewage discharging and sluice valve with a Y-shaped filter, which comprises a sluice valve main body, a filter main body is welded at the input end of the sluice valve main body, a filter pipe is arranged in the filter main body, a plurality of filter holes are arranged on the surface of the filter pipe, and the Y-shaped filter is arranged in the filter pipe. A sewage discharging chamber is arranged at the bottom end of the filter main body, a sewage discharging opening is formed in the middle of the bottom end of the sewage discharging chamber, and a blocking assembly for blocking the sewage discharging opening is arranged in the sewage discharging chamber; the filter main body is welded to the input end of the gate valve main body, the integrity and firmness between the filter main body and the gate valve main body can be kept, when the gate valve main body conducts pollution discharge operation, the filter main body can filter a water body through the filter pipe in the filter main body, the space in the gate valve main body is not occupied, and flowing of the water body can be guaranteed; the blocking assembly can block the sewage draining exit.

The present application relates to the technical field of metallurgical equipment operation control, and particularly relates to a rough copper sluice heat preservation and operation control method based on bonding-melting balance, comprising the following steps: establishing a bonding strength-melting rate-temperature-preservation parameter correlation model, and determining a critical temperature interval when bonding and melting are balanced; according to the balance model and real-time production data, the temperature of the inner wall of the sluice is monitored in real time through a temperature sensor, when the temperature is lower than the critical temperature interval, the electric heat tracing device is started to supplement heat, when the temperature is higher than the critical temperature interval, the opening degree of the heat preservation cover plate is adjusted; before the rough copper is discharged, the heat preservation system is started in advance, and the sluice is preheated to the lower limit of the critical temperature interval; during the discharge process, the rough copper flow rate is controlled; after the discharge is completed, the heat preservation system is kept running. Through the whole-process management and control of preheating, operation process regulation and control and subsequent heat preservation, the dynamic balance of bonding and melting of the rough copper on the inner wall of the sluice is realized.

The box culvert structure for the water gate pump station comprises a box culvert body, the top end of the box culvert body is connected with a top block, the side walls of the two sides of the box culvert body are each connected with a plurality of sets of bottom blocks, the side walls of the box culvert body are provided with a ladder stand mechanism, a protection mechanism is installed on the ladder stand mechanism, and the top block and the bottom blocks are perpendicularly distributed. The pedal is square, a person can conveniently step on the pedal and is not prone to slipping, then the hand can grasp the round rods located on the two sides, the hand can conveniently grab the round rods without hurting the palm, and therefore the effect of climbing use is achieved, dust and sundries are conveniently pushed out from the side hole by means of the side hole flush with the top end of the pedal, and the safety of climbing is improved. Therefore, dust and sundries are prevented from being directly pushed out from the front, and the dust and the sundries are pushed to the body of a climber.

The field irrigation and drainage gate comprises a gate plate installed in a drainage channel, the gate plate ascends and descends through a height adjusting mechanism, limiting blocks are installed on the inner walls of the two sides of the drainage channel, and the gate plate is arranged between the two limiting blocks in an inserted mode. A composite protection plate is detachably installed on the side, close to the water source, of the gate plate, and the bottom and the two sides of the composite protection plate are in sealed connection with the bottom face and the inner walls of the two sides of the drainage channel correspondingly. The detachable composite protection plate is installed on the side, close to the water source, of the flashboard, water in the drainage channel is blocked through sealing of the composite protection plate and the side wall of the drainage channel, the water and the flashboard are blocked through the composite protection plate, the flashboard is prevented from being damaged due to corrosion of substances in the water, the service life of the flashboard is prolonged, direct replacement of the flashboard is avoided, and cost is reduced. And by utilizing the composite protection function of the composite protection plate, the service life of the composite protection plate can be prolonged, so that the maintenance cost is reduced, and the market prospect is wide.

The present invention provides an automatic cleaner for floating objects inside a water conservancy sluice, which relates to the field of water conservancy projects. The device comprises a fixed bracket, wherein two fixed brackets are provided, and a collection mechanism is provided between the two fixed brackets. A material diverting mechanism is provided on the front side of the collection mechanism. The collection mechanism comprises a collection frame, a storage frame, and a flip assembly. The collection frame is provided between the fixed brackets, and the collection frame is provided between the storage frame and the material diverting mechanism. When the automatic cleaner for floating objects inside a water conservancy sluice is used, the mounting bracket is installed on the dam body, and then the third motor of the material diverting mechanism is turned on. When the third motor is turned on, the four turntables rotate synchronously, causing the flat plate to reciprocate back and forth, thereby driving the diverter plate at the bottom of the flat plate to divert the materials on the water surface to the collection frame. By setting the flip assembly, the front end of the collection frame can be intermittently lifted, so that the materials in the collection frame are automatically poured into the storage frame due to the change in slope.

The utility model discloses a local large-thickness strong-permeable pump station lock chamber bottom plate water stopping device, and particularly relates to the technical field of lock chamber bottom plate construction in pump station water gate engineering, which comprises a U-shaped base, a rubber water stopping belt, a U-shaped plate and a steel inhaul cable connecting structure, after the U-shaped base is hoisted and spliced, the rubber waterstop is installed, finally, the U-shaped plate is installed, and the U-shaped base, the rubber waterstop and the U-shaped plate are bound and linked through the steel inhaul cable connecting structure. The U-shaped base comprises a U-shaped base steel socket, a U-shaped base rubber socket and a steel inhaul cable I; the U-shaped base steel socket comprises a steel sleeve and a concrete body, and one half of the steel sleeve is embedded when the concrete body is prefabricated and the other half of the steel sleeve extends outwards. The U-shaped base rubber socket comprises an opening and closing rubber strip and a contraction socket concrete body; the first steel inhaul cable comprises a fixed end anchor ring and a steel inhaul cable body. And the U-shaped base steel socket and the U-shaped base rubber socket are connected by adopting a steel socket technology.

The present disclosure provides a graded underground pumped-storage hydropower system in a coal mine, and construction and methods of use. The system comprises a surface reservoir, wherein multi-stage stepped underground reservoirs are arranged below the surface reservoir, and there is no communication between the multi-stage stepped underground reservoirs. One side of the underground reservoir on each layer is provided with a hydraulic turbine room, and an upward water conveyance passageway and a downward water conveyance passageway are arranged between the hydraulic turbine room and each underground reservoir. Additional water conveyance passageways are arranged between the hydraulic turbine rooms among the layers. During use, the present disclosure can achieve multi-grade power generation and energy storage capabilities by controlling sluice gates, adjusting water flow directions as required.

The invention relates to the technical field of water gate cleaning, and discloses water gate cleaning equipment which comprises a mounting frame, a suspension mechanism and a cleaning mechanism. The cleaning mechanism comprises arc-shaped plates arranged at the two ends of the fixing frame, a receding groove is formed in the side, away from the suspension mechanism, of the arc-shaped plate, a fixing transverse plate is arranged in the middle of the fixing frame, a sweeping shaft is rotationally connected to the fixing transverse plate, a sweeping disc is arranged at the end of the sweeping shaft, and bristles are arranged on the side, close to the water gate, of the sweeping disc. A fixing plate is arranged on the side, away from the suspension mechanism, of the fixing frame and rotationally connected with a second driving shaft, the second driving shaft is provided with a rotating disc flush with the receding groove, a sliding sleeve is arranged on the outer side of the rotating disc and slidably connected with a sliding rod, a beating block is arranged on the side, away from the rotating disc, of the sliding rod, and the sliding rod penetrates through the receding groove. The rotating striking block is arranged to remove crustacean organisms attached to the surface of the water gate.