455 results about "Sluice" patented technology

The invention relates to the technical field of water gate maintenance, and discloses a water gate engineering safety risk assessment and early warning system which integrates five modules, namely a data analysis module, a real-time monitoring module, a state comparison module, a risk assessment module and an early warning notification module. The future safety state of the sluice project is predicted through a machine learning model, key safety parameters are monitored in real time, real-time data and predicted data are compared and analyzed, and a curve graph is drawn and visually displayed. And the risk assessment module calculates the difference degree of the two groups of curves and identifies risk points. And the early warning notification module comprehensively evaluates the safety state of the sluice project according to the risk point and the safety evaluation rule, and timely sends an evaluation result and early warning information to a manager so as to quickly take countermeasures. According to the system, the intelligent level of safety management of the water gate engineering is improved, early discovery and early warning of safety risks are realized, and safe operation of the water gate engineering is effectively guaranteed.

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 provides a structure capable of controlling a large-volume water gate crack and a construction method thereof, and belongs to the technical field of water gates. The structure comprises a gate bottom plate and a gate pier which are formed by pouring concrete, and the gate pier is arranged above the gate bottom plate; hole cavities are at least formed in the gate piers and reserved in the concrete pouring process. The hole cavity is used as a self-constrained stress hole; and the tough material is used for absorbing stress, is filled in the pore cavity and is connected with the inner wall of the pore cavity. The method comprises the steps of S1, construction preparation; s2, foundation treatment; s3, gate bottom plate construction; s4, gate pier construction: S41, construction lofting; s42, gate pier reinforcing steel bars are bound and installed; s43, a gate pier formwork is erected above the gate bottom plate; s44, a hole forming device is installed at the designed position; s45, concrete pouring, vibrating and curing are conducted; and S46, after initial setting of the concrete, the hole forming device is pulled out of the pipe, and a formed hole cavity is filled with a tough material. The sluice pier crack can be effectively controlled, and the use durability and safety of the sluice are 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 method for analyzing the influence of bifurcated river tributary flood discharge on the characteristic water level of a main stream gate dam. The method comprises the following steps: 1, establishing a bifurcated river plane two-dimensional hydrodynamic mathematical model; 2, carrying out mathematical model calibration verification; 3, introducing influence coefficients alpha and beta of tributary flood discharge on the characteristic water level of the main stream gate dam, and establishing a characteristic water level expression of the main stream gate dam influenced by the tributary flood discharge; 4, numerical simulation calculation is carried out, on the basis of numerical simulation calculation results, design flood levels Z upper 0 and Z lower 0 on the main stream river sluice and under the main stream river sluice which are not affected by branch flood discharge are determined, fitting influence coefficients alpha and beta are analyzed, and then the flood level Z upper on the main stream river sluice and the flood level Z lower under the main stream river sluice under different branch discharge flow conditions are determined. According to the method, the influence coefficient of the tributary discharge flow on the on-gate and under-gate flood levels of the main stream river sluice is analyzed and determined, and the relational expression is established, so that the main stream river sluice characteristic water levels under different tributary discharge flows are rapidly obtained.

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 discloses a large hydro-junction sluice deep foundation pit excavation construction and monitoring method. The method comprises the steps that historical image data sets of all areas are obtained through a cloud platform system; performing classification processing on the historical image data set of each region through a K-prototype clustering algorithm, only retaining key frame data, and training the image data set of each region through a CNN-gMLP neural network model to obtain a CNN-gMLP neural network model corresponding to each region; whether risks exist in all areas of the divided water drainage gate deep foundation pit excavation construction or not is judged through a CNN-gMLP neural network model; the key frame data reserved by the method can more accurately reflect the actual data monitoring condition of the monitored part of the excavation construction of the deep foundation pit of the sluice; cNN-gMLP neural network model training is carried out on the key frame data, training sample diversity expansion is carried out on the key frame data by using an adversarial network, and the obtained CNN-gMLP neural network model is more accurate in risk prediction of a monitored area of water release gate deep foundation pit excavation construction, so that the prediction timeliness is 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 belongs to the technical field of intelligent control, and particularly relates to a water gate intelligent control method based on water conservancy monitoring data, and the method comprises the steps: collecting monitoring data and a water surface video of a water storage body where a water gate is located; estimating flow data of a plurality of to-be-evaluated positions according to the flow data of a plurality of monitoring positions in the monitoring data, inputting the flow data and the monitoring data into a water level prediction model, and adjusting the opening degree of a water gate according to an obtained water level prediction value; wherein the flow data of the plurality of to-be-evaluated positions is estimated by selecting a plurality of principal components from all components according to stability and distinction, dividing all the principal components into a plurality of high-frequency components and a plurality of low-frequency components according to frequency, and estimating the flow data of the plurality of to-be-evaluated positions according to the convergence of the to-be-evaluated positions and adjacent monitoring positions on the low-frequency components. And determining an estimated value of the flow data of the to-be-evaluated position according to the high-frequency component of the to-be-evaluated position and the convergence of the to-be-evaluated position and other monitoring positions on the high-frequency component. According to the invention, the accuracy of intelligent control is improved.

The invention discloses a sluice construction project earthwork filling quality evaluation method and evaluation system based on real-time monitoring. The method comprises the following steps that soil pressure monitoring values and changes thereof in the earthwork filling process are monitored in real time through a soil pressure meter; selecting a box culvert section as a typical position, and establishing a three-dimensional finite element model of a filled soil body; calculating the three-dimensional finite element model of the filled soil body based on finite element analysis software, and inputting preset material parameters, boundary conditions and loads to obtain a soil pressure calculation value and changes thereof in the layer-by-layer filling process; performing comparative analysis on the soil pressure calculation value and the soil pressure monitoring value, and screening out reliable soil pressure monitoring values of different soil layers; according to the conversion relation between the compaction degree and the soil pressure, compaction degree monitoring values of different soil layers are obtained through calculation; the compaction degree monitoring value is compared with the designed compaction degree, and the earthwork filling quality is evaluated. The method can provide corresponding basis and reference for management and control of earthwork filling quality by managers.

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 utility model discloses a sluice chamber bottom plate desilting device which comprises a movable base, an installation base fixed to the movable base, an installation arm hinged to one end of the installation base and a cutter suction module connected to the movable end of the installation arm, a desilting auger is rotationally arranged in the cutter suction module, and a brush disc and a water pump are rotationally arranged at the bottom in the installation base. The effect of improving the cleaning quality and cleaning efficiency of sludge in the lock chamber is achieved.

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 utility model relates to the field of water gate chamber arrangement structures, in particular to a new and old gate chamber connection structure which comprises old gate chambers and new gate chambers which are arranged at intervals in the width direction of a river channel, and side piers are arranged on the adjacent sides of the new gate chambers and the old gate chambers in the water flow direction. The semi-circular isolation piers are arranged on the upstream and downstream of the piers and used for connecting the adjacent side piers into a whole, and the broken stone hardcore is backfilled in an area defined by all the isolation piers and the side piers; every two adjacent side piers are connected into a whole below the broken stone hardcore. A concrete anti-seepage blanket is arranged on the upstream portion or the downstream portion of the old lock chamber, a new anti-seepage blanket connected with an existing anti-seepage blanket is arranged on the upstream portion or the downstream portion of the newly-built lock chamber, and the two anti-seepage blankets are flush with the bottoms of the lock chambers and connected with the bottoms of the lock chambers respectively. A protection bottom is arranged at the bottom of the isolation pier, extends outwards from the bottom of the isolation pier and is connected with the two anti-seepage blankets. The newly-built lock chamber is convenient to construct, the safety influence of construction on the old lock chamber is small, and due to the fact that the integrity of the newly-built lock chamber and the old lock chamber is good, the probability of differential settlement is greatly reduced.

The full-length cantilever scaffold comprises a cantilever beam, a movable positioning pile and a scaffold body, the cantilever beam is installed above a bridge deck slab, and the two ends of the cantilever beam extend to the two sides of the bridge deck slab respectively; the movable positioning piles are installed at the two ends of the cantilever beam, each movable positioning pile comprises a U-shaped plate and a pressing plate located above the U-shaped plate, and the cantilever beam is arranged in the U-shaped plate; the scaffold comprises a vertical rod, a transverse horizontal rod, a longitudinal horizontal rod and a diagonal draw bar, the vertical rod is vertically fixed on the pressing plate, the transverse horizontal rod perpendicular to the cantilever beam is fixed on the vertical rod, the longitudinal horizontal rod is fixed on the transverse horizontal rod, the longitudinal horizontal rod is parallel to the cantilever beam, U-shaped pull-up pieces are arranged at the positions, close to the two ends, of the cantilever beam respectively, and the U-shaped pull-up pieces are connected with the diagonal draw bar. One end of the diagonal draw bar is fixed with the cantilever beam through the U-shaped pull-up piece, and the other end of the diagonal draw bar is in diagonal draw connection with the upper building structure. The problem that in the construction process of a tide gate hoist room, the stability of a scaffold structure foundation is difficult to guarantee in the flood season is effectively solved.

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 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.