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93 results about "Sluice gate" patented technology
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Water stop structure suitable for upper gate space of high gate with deep and thick covering layer
ActiveCN224119602UImprove the water-stop effectGuaranteed safe operationArtificial islandsProtective foundationScreedClassical mechanics
The utility model discloses a water stop structure suitable for an upper gate room of a high gate with a deep and thick covering layer in the technical field of engineering water stop, which comprises a plurality of gate plates, a structural seam is arranged between two adjacent gate plates, the structural seam is communicated with a water stop cavity, and a water stop device is filled in the water stop cavity. The water stop device comprises a first mortar layer, a flexible filler layer and a second mortar layer which are sequentially filled in the structural joint from top to bottom, a copper sheet water stop assembly and a water stop belt assembly are arranged on the flexible filler layer in a penetrating mode at intervals, the overall structure is large in flexibility effect, the function of adapting to large uneven deformation between adjacent gate sections can be achieved, damage is not prone to occurring, and the service life of the water stop device is prolonged. Therefore, safe operation of the water gate structure is guaranteed.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE
Double-screw-rod water gate
The utility model discloses a double-screw water gate, which comprises an outer frame, a storage battery, a photovoltaic panel and a controller, the storage battery, the photovoltaic panel and the controller are positioned on the outer frame, a gate plate is slidably arranged on the inner side of the outer frame, the vertical height of the gate plate is controlled by a lifting mechanism arranged on the outer frame, and an antenna is mounted at the top of the outer frame. An upper limiting sensor and a lower limiting sensor are installed on the inner side of the outer frame. Photovoltaic power supply is adopted, so that the dependence on commercial power is reduced, and the energy consumption and the operation cost are reduced; remote control: remote control is realized through a 4G network, the operation is simple and convenient, and the management efficiency is improved; a radar liquid level meter is connected, the height of the gate is automatically adjusted according to the water level, the irrigation efficiency is improved, and water resources are saved; the circuit board displays the gate height, the battery voltage and the photovoltaic voltage in real time, and monitoring and maintenance are facilitated.
Owner:ANHUI YIGANG INFORMATION TECH CO LTD
Opening method of desilting bottom hole gate
The invention discloses an opening method of a desilting bottom hole gate, which is realized through a gate body with a silt flushing function, the desilting bottom hole gate comprises a silt flushing pipeline arranged in the gate body, an inlet of the silt flushing pipeline is connected with a high-pressure water supply device on the outer side of the gate body, and an outlet of the silt flushing pipeline is arranged on an upstream face and a downstream face of the gate body. A check ring fixedly connected with the inner wall of the pipeline is arranged at an outlet of each silt flushing pipeline, and a fixing plate and a one-way opening fender are arranged on the outlet side of each check ring. The opening method comprises the steps that firstly, the high-pressure water supply device is started, the fender is opened under the action of the water flow pressure of an outlet of the silt flushing pipeline, silt deposited near the gate body is flushed away through silt flushing water flow, meanwhile, the deposited silt is disturbed, and after the opening resistance of the gate body is reduced, the gate body is opened. The operation mode that silt is flushed first and then the gate is opened is adopted, the gate opening force of the gate is reduced, the gate can be normally opened, silt in front of the gate is discharged to the downstream of a reservoir in time, and silt in a reservoir area is removed.
Owner:YELLOW RIVER ENG CONSULTING CO LTD
Graded underground pumped-storage hydropower in coal mine, construction and using methods
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.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY
Modular water retaining gate for water conservancy construction
Owner:QUFU DAYU WATER CONSERVANCY ENG CO LTD
A cooperative adaptive scheduling method for pumping stations based on multi-source data
This invention discloses a collaborative adaptive scheduling method for pumping stations and sluice gates based on multi-source data, belonging to the field of smart water conservancy automation control technology. The method includes the following steps: pre-extraction of situational feature parameters, including real-time collection of meteorological and rainfall forecast data, upstream water level, downstream water level, inflow into the reservoir and river, equipment operating status data, and downstream water demand commands; and construction of a comprehensive evaluation function S. This invention significantly improves the predictability and timeliness of flood control scheduling, effectively avoiding flood risks caused by sudden hydrological events. Furthermore, by setting a smoothness penalty term and a stability constraint on the actuator in the objective function, it achieves gradual adjustment of gates and pumping stations, completely solving problems such as water hammer effect and river scouring damage caused by excessively rapid actions in traditional control, ensuring the stability of water flow and the service life of water conservancy facilities.
Owner:ZHONGZI TECH CO LTD
A method and system for modeling operation data of a tidal river network water gate and a terminal
ActiveCN115358168BGeneral water supply conservationDesign optimisation/simulationRiver networkWater quality
The application discloses a kind of tidal river network sluice operation data model processing method, system and terminal, it is related to sluice operation analysis technical field, and its technical scheme main points are: initial outer river tidal level is carried out noise reduction pretreatment, and sliding average is carried out;Select the smooth result of the highest matching degree of rising and falling tide trend, and carry out abnormal fluctuation elimination processing;The rising and falling tide trend in standard smooth result is analyzed;Rising and falling tide trend result and water level difference threshold are loaded in Infoworks RTC module;Different water level difference threshold is tried, and the optimal water level difference threshold of sluice opening and closing is determined, to obtain final Infoworks RTC module.The application is carried out to the smooth processing of outer river tidal level data, and the outer river tidal drop process is judged, according to the inner and outer river tidal difference to control the opening and closing of sluice, reach water quality model operation working condition and actual engineering working condition consistent, provide strong support for later water power water quality model rating.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE
Anti-bird device for electrical equipment in sluice machine room
The utility model relates to an anti-bird device for electrical equipment in a water gate machine room, and belongs to the field of anti-bird devices, the anti-bird device comprises an anti-bird net, the anti-bird net is arranged at a penetrating opening through which a steel wire rope penetrates, the anti-bird net comprises a plurality of side net pieces and a lower net piece, the side net pieces are connected end to end to form a quadrangle, and the penetrating opening is located in the quadrangle defined by the side net pieces; the lower net piece is vertically connected to the bottom of the side net piece and provided with the penetrating space for the steel wire rope to penetrate through, birds can be effectively prevented from entering the hoist room by arranging the anti-bird net at the penetrating opening for the steel wire rope to penetrate through, then the birds are prevented from nesting on electrical equipment, and safety and sanitation of the electrical equipment are guaranteed.
Owner:SOUTH TO NORTH WATER SHANDONG LINE CORP
Water gate pier protection structure
The utility model relates to a sluice pier protection structure, which belongs to the technical field of water conservancy facilities and comprises a middle sluice pier and side sluice piers, both sides of the middle sluice pier are provided with sluice gate grooves, one side of each side sluice pier close to the middle sluice pier is also provided with a sluice gate groove, the middle sluice pier is arranged between the side sluice piers, and the upstream side of the middle sluice pier is fixedly provided with an arc-shaped long plate. The arc-shaped long plate is a vertical long plate with an arc-shaped opening formed in the front side, the semi-arc plate is fixedly installed on the front side of the side gate pier, the semi-arc plate is a vertical long plate with a semi-arc opening formed in the front side, and the semi-arc openings in the two sides are oppositely arranged. By arranging the arc-shaped long plate, when upstream water flow scours downwards, the upstream water flow rushes into the arc-shaped long plate to be buffered, then water in the arc-shaped long plate flushes back again and is opposite to the water flow rushed down again to generate impact, the effect of reducing the impact force of the water flow is achieved, and therefore the scouring force of the water flow to the gate pier is reduced, and concrete on the surface of the gate pier is prevented from falling off; and subsequent dangers are avoided in advance.
Owner:SHANDONG SURVEY & DESIGN INST OF WATER CONSERVANCY
Sluice safe operation system based on state predictive maintenance
The invention relates to the technical field of safety monitoring, in particular to a state predictive maintenance-based sluice safety operation system, which comprises a hydrological impact monitoring module, a gate attitude tracking module, an opening and closing energy consumption monitoring module, a structural rigidity evolution monitoring module and a maintenance trigger monitoring module. According to the method, the evolution characteristics of the water flow impact state are identified by constructing a direction difference value change sequence, the displacement direction included angle change is linked to analyze the door body posture deviation trend, and the abnormal signal of the opening and closing driving system is judged by combining the unit displacement energy consumption and the data consistency in the speed stable interval; and further extracting residual deformation vector direction change characteristics in a loading stage, continuously identifying a structural rigidity evolution form, and finally performing time sequence recombination and mark pushing on various types of abnormal data of associated numbers, thereby realizing active identification and multi-dimensional linkage early warning of operation abnormity, enhancing the perception capability of the system to a complex state evolution process, and improving the reliability of the system. And the timeliness of abnormity discovery and the identification precision of the structure risk are improved.
Owner:沛县尾水资源化利用及导流工程管理所
Lock valve
A sluice gate valve comprising a sluice gate opening, a sluice gate cover, at least one lever arm, and at least one coupling system, wherein the sluice gate opening is surrounded by a flange with a first sealing surface, the sluice gate cover has a front face with a second sealing surface, the coupling system comprises a bolt, a centering disc, and an elastic element; wherein the bolt has a first end with a bolt head and a second end that is attached to the lever arm, the centering disc has a centering disc opening that extends through the centering disc, the centering disc being attached to the sluice gate cover and arranged between the first and second ends of the bolt such that the bolt projects through the centering disc opening, and the elastic element is arranged between the lever arm and the centering disc;wherein, in a closed state of the lock valve, the second sealing surface is in gas-tight contact with the first sealing surface and a force transmission path runs from the lever arm to the flange via the elastic element.
Owner:SINGULUS TECHNOLGIES AG
An automatic identification method for siltation of a sluice front channel of a sluice by fusing unmanned aerial vehicle aerial photography
PendingCN122135247AImage analysisCharacter and pattern recognitionHydraulic structureUncrewed vehicle
This invention discloses an automatic identification method for siltation in the inlet channel of a sluice gate, integrating drone aerial photography. Relating to the field of image recognition, this invention automatically optimizes flight parameters through a dynamic feedback adjustment mechanism, avoiding the subjectivity and inefficiency of traditional manual adjustments, and significantly improving operational accuracy and stability. Simultaneously, it constructs dedicated segmentation models for different hydrological conditions, effectively addressing complex environmental challenges through a dual-model fusion processing strategy, greatly improving the accuracy and robustness of siltation identification. Furthermore, it integrates an intelligent time-consuming optimization mechanism, automatically selecting the optimal segmentation accuracy through experimental data-driven methods, minimizing processing time while ensuring monitoring quality. This provides reliable technical support for the efficient operation and maintenance management of hydraulic structures, truly realizing an intelligent and standardized operation mode from data acquisition to output.
Owner:ZHENGZHOU YELLOW RIVER SURVEY GUIHUA DESIGN CO CONSTR DESIGNING INSTI TUTE
Sluice gate opening and closing device
The present invention provides a sluice gate opening and closing device capable of detecting abnormalities in the magnitude of the load generated on the linear member while the gate body is descending under its own weight. [Solution] A sluice gate opening and closing device 10 is provided in which a rotating body 13 to which a linear member 12 made of wire or chain that suspends a gate body 11 is locked rotates by the rotational force of a motor 15 transmitted via a power transmission mechanism 14, thereby winding up the linear member 12 and raising the gate body 11. The device includes a torque switch 20 that detects when the load generated in the detected part 22 of the power transmission mechanism 14 falls below an allowable lower limit, and a centrifugal brake 27 that applies a resistance force to the rotating body 13 through the power transmission mechanism 14 to resist the descent of the gate body 11 which descends due to its own weight. The detected part 22 is positioned between an input position 28 to which resistance force is input to the power transmission mechanism 14 and a connection position 29 of the power transmission mechanism 14 to the rotating body 13, in the direction in which the resistance force from the centrifugal brake 27 is transmitted through the power transmission mechanism 14.
Owner:SEIBU ELECTRIC & MASCH CO LTD
Prefabricated chute grating
This invention relates to a prefabricated sluice gate, comprising an upper support member, the upper support member including two spaced-apart side plates, with a plurality of sets of ribs spaced along the longitudinal direction between the two side plates, and a plurality of notches distributed along the longitudinal direction on the upper end face of each set of ribs; and a lower support member, the lower support member including two spaced-apart side plates, the two side plates being spaced along the longitudinal direction between the two side plates, and a plurality of sets of ribs distributed along the longitudinal direction on the lower end face of each set of ribs. This invention provides a prefabricated sluice gate structure, constructed from two integrally formed support members arranged in a cross pattern. On the one hand, it eliminates the risk of weld cracking due to impact; on the other hand, the prefabricated sluice gate structure allows for direct overlap, facilitating installation and benefiting downhole operations.
Owner:铜陵有色金属集团股份有限公司
Self-adaptive water level adjusting water gate control linkage system
The invention relates to the technical field of water conservancy automation control, in particular to a self-adaptive water level regulation sluice control linkage system which comprises a water level acquisition module, a main control module, a communication module and an execution mechanism module, and a self-adaptive closed-loop control structure is formed through data interaction among the modules. The water level acquisition module is used for acquiring upstream and downstream water levels in real time and generating a stable water level signal; the main control module integrates a self-adaptive water level prediction control unit, a distributed linkage control unit and an execution mechanism health diagnosis unit which are respectively used for generating a predicted water level and a target opening degree, realizing multi-water-gate cooperative adjustment, evaluating the health state of an execution mechanism and implementing compensation control; the communication module is used for realizing state synchronization and linkage instruction interaction among multiple water gates; and the execution mechanism module executes the water gate action according to the target opening degree and provides opening degree feedback. By means of the structure, self-adaptive adjustment and multi-stage linkage of the water gate can be achieved under the complex water level change condition.
Owner:CHINA WATER CONSERVANCY & HYDROPOWER NO 9 ENG BUREAU CO LTD
Electric-manual double-drive switching diversion gate
PendingCN121976504Atimely manual controlquick cutBarrages/weirsHydro energy generationElectric machineControl engineering
The invention provides an electric-manual double-drive switching water diversion gate which is characterized in that a gate mechanism comprises a channel, a gate chamber is arranged on the channel, a plurality of guide groove columns are fixedly installed in the channel, sliding grooves are formed in the guide groove columns, and gates are installed on the guide groove columns in a sliding mode through the sliding grooves; a lifting screw rod is connected to each gate, a rotating block is connected to one end of each lifting screw rod, lifting blocks are fixedly connected to the two sides of each rotating block, and an internal thread block is connected to the gate chamber; in an emergency, an operator only needs to press an unlocking handle and rotate an unlocking disc in an operation room, a butt joint groove block can be separated from a butt joint column of an electric drive part through an eccentric connecting rod mechanism, so that a motor power chain is cut off rapidly in a labor-saving mode, a manual power chain is connected at the same time, no component needs to be disassembled in the whole switching process, and the switching efficiency is improved. Operation is simple and visual, the emergency response time is greatly shortened, and it is ensured that the gate can be manually controlled in time when power failures occur.
Owner:CHINA RAILWAY NO 3 GRP CO LTD +2
Hydraulic engineering self-dredging gate and method thereof
The invention discloses a water conservancy project self-dredging gate and a method thereof, and belongs to the technical field of water conservancy projects. Comprising a gate body, a gate leaf and a pair of gate piers, the gate leaf is slidably arranged between the pair of gate piers, the sides, close to each other, of the bottoms of the pair of gate piers are fixedly connected through a gate groove body, and the bottom of the gate leaf is closely matched with the gate groove body; the desilting assembly comprises scraping blocks, a pull rope and a first reset spring, the pair of scraping blocks is arranged in the gate groove body in a sliding mode, the pair of scraping blocks is arranged in the middle of the gate groove body, inclined planes are arranged on the sides, away from each other, of the scraping blocks, and the pair of driving assemblies are arranged to drive the scraping blocks correspondingly. Through the collaborative design of the gate body, the desilting assembly and the driving assembly, the problem that a traditional gate is prone to sediment deposition during descending is solved, and the desilting assembly automatically expands a scraping block in the gate leaf descending process to remove sediment in a gate groove body; the driving assembly achieves automatic control through gear and rack transmission and is suitable for the silt-laden environment.
Owner:YANSHAN COUNTY WATER CONSERVANCY BUREAU +1
Seepage prevention and automatic opening and closing control system for sluice gate
The invention provides an anti-seepage and automatic opening and closing control system for a sluice gate. The anti-seepage and automatic opening and closing control system comprises the following functional modules: a multi-source data acquisition module for acquiring multi-source data and performing cleaning and verification; the leakage risk assessment module is used for calculating a leakage risk index based on the multi-source data and executing online risk assessment and graded early warning; the risk adaptive adjustment module is used for generating an adaptive adjustment factor through a risk adaptive function, dynamically judging a system risk situation and generating a dynamic trigger water level; the opening and closing control module compares the upstream water level with the dynamic trigger water level to generate an opening and closing instruction, adjusts the gate operation speed based on the risk level, and constructs a hierarchical control strategy; and the data verification module is used for carrying out logic consistency verification on the multi-source monitoring data and generating a system state identifier. According to the system, early recognition and active prevention and control of leakage risks are achieved, and an intelligent opening and closing control mechanism in self-adaptive linkage with the risk situation is constructed by dynamically triggering water level and grading speed regulation and control.
Owner:CCCC GUANGZHOU DREDGING CO LTD +1
Protection device for abnormal operation of gate of diversion sluice
The utility model provides a protection device for abnormal operation of a diversion sluice gate, and belongs to the technical field of gate operation protection. Comprising a top plate, a bottom plate and a gate body, a sliding groove is formed in the middle of the top plate, two sets of symmetrically-distributed mounting plates are mounted at the two ends of the upper surface of the top plate, motors are mounted on the side faces of one set of mounting plates, the motors are connected with screws, the screws are in threaded connection with rings, and vertical plates are connected to the lower ends of the rings; multiple push rods are installed on the side face of the push plate. Through the arrangement of the motor, the screw rod, the circular ring, the vertical plate, the push plate, the push rod, the cleaning plate and the scraping plate, the function of cleaning hard objects at the bottom of the gate is achieved, so that when the bottom of the gate is abnormal, the bottom of the gate can be cleaned conveniently, the gate can run to the bottom conveniently, the overload phenomenon of the gate motor can be avoided, the motor is protected, and the service life of the gate is prolonged. And meanwhile, the bottom of the gate can be prevented from leaking water, and normal use of the gate is guaranteed.
Owner:HUBEI JINYESHENG CONSTR CO LTD
Self-adjusting water gate structure based on river flood season
The invention discloses a self-adjusting water gate structure based on a river flood season, which comprises a gate body, a gate plate capable of moving up and down is arranged in the gate body, the self-adjusting water gate structure further comprises a blocking assembly, a shifting assembly and a fishing assembly, the blocking assembly can move up and down along with the water surface, and part of the blocking assembly can float on the water surface; and the other part of the blocking assembly can be inserted into the water surface. During use, the gate body is installed in a water body, sundries such as branches can float on the water surface due to small buoyancy, the blocking assembly can block the sundries so as to prevent the sundries from penetrating through the gate body, and when the sundries are accumulated to a certain degree, the stirring assembly can stir the sundries so that the blocking assembly can rotate, and the sundries can be prevented from penetrating through the gate body. The blocking assembly is arranged on the water surface so that sundries floating on the water surface can be taken away from the water surface, then the fishing assembly can remove the sundries on the blocking assembly, and therefore the purpose of cleaning the sundries on the water surface is achieved, and after cleaning is completed, the blocking assembly is reset for use next time.
Owner:王任华
Intensive urban ecological navigation sluice convenient to overhaul
The intensive urban ecological navigation sluice convenient to overhaul comprises a sluice chamber unit, the side wall of the sluice chamber unit is a reinforced concrete bearing wall, and a traffic bridge is arranged at the top of the sluice chamber unit; a lock chamber bottom plate is arranged between the adjacent side walls, a flap gate driven by a bottom shaft is arranged on a weir body of the lock chamber bottom plate, and a blow-down pipe is arranged between the upstream and the downstream of the flap gate. A gate oil cylinder connected with the side wall is arranged on the downstream face of the flap gate, and a fender plate with the top face lower than the bottom face of the traffic bridge is arranged on the outer side of the gate oil cylinder. A maintenance plate is further arranged on the side wall of the lock chamber unit, the bottom of the maintenance plate is hinged to the side wall, and the maintenance plate has the storage state that the maintenance plate is attached to the side wall and the working state that the free end is in lap joint with the top of the fender plate. The system is ingenious in structure, small in occupied area and convenient to operate and maintain, the functions of water retaining, navigation, traffic and landscape are effectively integrated, independent structures are greatly reduced, space permeability is improved, and the ecological water level maintaining problem is ingeniously solved.
Owner:河南省水利勘测设计研究有限公司
Water gate and pump station automatic control method based on digital twinning
PendingCN121902345ABarrages/weirsDesign optimisation/simulationEarly warning systemAutomatic control
The invention relates to the field of water gate and pump station automatic control methods based on digital twinning, in particular to a water gate and pump station automatic control method based on digital twinning. Which comprises an early warning system based on digital twinning and the like, and has the following advantages: firstly, through all-weather data monitoring and omnibearing information reference of the reservoir, modeling comparison is performed on the operation state of the reservoir within a period of time in the future based on the digital twinning system, so that an early warning signal of possible flood is obtained in advance; the computer judges the danger signal, the water gate is automatically punched to drain water, and the water gate is automatically closed to stop draining water, so that on one hand, the water level in the reservoir is always maintained in a dynamic safe state, and on the other hand, when the computer monitors danger, the water gate of the pump room is actively controlled to drain water; the process that the gate is gradually opened to drain water after a signal is manually received is omitted, and more flood storage space and protection time can be obtained by exchanging saved time.
Owner:ANHUI GANGCHAN ELECTROMECHANICAL ENG CO LTD
Opening and closing control method and control system for hydraulic engineering sluice
PendingCN121857411Aaccurate outputImprove scheduling efficiencyProgramme controlComputer controlControl systemTarget control
The invention discloses an opening and closing control method and system for a water conservancy project sluice, and the method comprises the following steps: collecting water conservancy environment parameters and sluice operation parameters in real time, and obtaining parameter data; preprocessing the parameter data to obtain effective monitoring data; constructing a water gate opening and closing model, inputting the effective monitoring data into the water gate opening and closing model, and outputting target control parameters of the water gate; comparing the sluice operation parameter with a target control parameter of the sluice to obtain a difference value; generating a sluice adjustment instruction based on the difference value, driving the sluice to a target position according to the sluice adjustment instruction, and feeding back the sluice position state information terminal in real time; the conversion from single parameter control to multi-feature collaborative decision is realized through multi-dimensional parameter acquisition, the operation parameters of the water gate are accurately controlled by constructing the water gate opening and closing model, the accurate control of the opening degree of the water gate is realized, the model output is more accurate, and the water resource scheduling efficiency is improved.
Owner:东海县青湖闸管理所
Box type farmland sluice
The utility model provides a box body type farmland water gate. The box body type farmland water gate is characterized by comprising a box body, a mud baffle and a water baffle, a casing pipe is arranged at the bottom of the back of the box body, and grooves are formed in two sides and the bottom of the front; the mudguard is square, the height of the mudguard is approximately equal to the depth of a plough layer and is approximately equal to half of the height of the box body, sleeve grooves are formed in the back surfaces of the two sides of the mudguard, groove openings face inwards, and side plates are arranged outside groove bottoms; the sleeve groove, the side plate and the groove plate extend upwards and are slightly higher than the box body; plate holes which are bilaterally symmetrical are formed in the middle and the lower part of the top of the side plate and are provided with inserting plates; pull rods are arranged above the left and the right, water level holes are vertically arranged on the pull rods, the pull rods are provided with inserting bolts, a handle is arranged at the top end of each pull rod, and the handles are slightly higher than the sleeve grooves; the side plates of the fender are sleeved with the grooves, and the two sides of the water fender and the pull rod are sleeved with the sleeve grooves. After the water gate is sleeved with a deep water pipe, surface irrigation and drainage and deep irrigation and drainage can be carried out on a farmland, and the water level of the farmland is convenient to adjust.
Owner:张小玉
Intelligent rating and optimization calculation method and system for water gate flow
This invention discloses a method and system for intelligent calibration and optimization calculation of sluice gate flow. The method acquires parameters such as gate opening, upstream and downstream water levels, approach velocity before the gate, and gate type. Based on measured flow data, it performs three-dimensional calibration of the gate openings, opening degree, and water level difference to obtain the free outflow flow coefficient and submergence coefficient. After determining the outflow flow regime, it calculates and superimposes the single-hole flow to obtain the total flow through the gate. It then supplements extreme condition correction coefficients using a three-dimensional flow numerical model and dynamically updates the coefficients through error calculation. This invention solves the problems of insufficient calibration accuracy and inaccurate coefficients in traditional flow calibration methods, significantly improving the accuracy and precision of flow calibration. It can be widely applied in the field of sluice gate hydraulics.
Owner:SHENZHEN DONGSHEN ELECTRONICS
Composite polymer cement marine sluice gate prefabricated components
This utility model relates to the field of water conservancy engineering technology, and provides a composite geopolymer cement prefabricated component for marine sluice gates, solving the problems of long construction processes and high costs in existing sluice gate construction. This utility model includes a base layer with an internal support frame; several embedded parts, each embedded part located at the edge of the base layer, each embedded part including an embedding section and a connecting section, one end of the embedding section extending into the base layer, and the other end extending out of the base layer and connecting to the connecting section; a support tube, with a support tube sleeved on the outside of each embedded section; and wax blocks, placed inside the support tube, with wax blocks located on both sides of each embedded section. The embedded parts are used for connecting adjacent prefabricated components, and can be used for the construction of breast walls and working bridges in sluice gate projects, eliminating the construction time of on-site formwork and pouring, shortening construction time, and reducing construction costs.
Owner:FUJIAN LUGANG GRP CO LTD
Digital drainage monitoring and predicting platform
The invention discloses a digital drainage monitoring and predicting platform, and relates to the technical field of water affair management. The ten modules are respectively a data acquisition module, a data statistics module, a data management module, an equipment operation and maintenance module, an alarm module, a pipeline defect management module, a weather forecast module, a gate management module, a gate water volume prediction module, a data training and prediction module and a background management module, and each of the ten modules comprises a plurality of sub-modules. Each sub-module is divided into various function tasks, and a digital and intelligent management platform is realized; the sluice gate water volume prediction module adopts a Markov model to predict the future single-day ponding volume. According to the invention, the water accumulation amount per day can be accurately predicted, the pollution degree of the sewage in the sewage pipeline can be accurately predicted, and the pollution change trend of the sewage can be visually displayed.
Owner:NINGBO DIANXI ENVIRONMENTAL PROTECTION TECH CO LTD
Double-plate type farmland sluice
The utility model provides a double-plate type farmland water gate. The double-plate type farmland water gate is characterized by mainly comprising a gate sleeve, a mud baffle and a water baffle, the gate sleeve is composed of grooves in the left side, the right side and the bottom and is slightly higher than the water passing opening, and flitches are arranged on the left side and the right side of the grooves. The mudguard is square, the height of the mudguard is approximately equal to the depth of a plough layer, sleeve grooves are formed in the backs of the two sides of the mudguard, groove openings face inwards, and side plates are arranged outside the groove bottoms; the sleeve groove, the side plate and the groove plate extend upwards and are slightly higher than the brake sleeve; plate holes in bilateral symmetry are slightly formed in the middle and the top of each side plate, and insertion plates are matched; pull rods are arranged above the left and the right, water level holes are vertically arranged on the pull rods, the pull rods are provided with inserting bolts, a handle is arranged at the top end of each pull rod, and the handles are slightly higher than the sleeve grooves; the side plates of the fender are sleeved with the grooves, and the two sides of the water fender and the pull rod are sleeved with the sleeve grooves. The water gate is installed at a deep water through opening, surface irrigation and drainage and deep irrigation and drainage can be conducted on a farmland, and the water level of the farmland can be adjusted conveniently.
Owner:张小玉
Mutual filling ship lock valve control method capable of effectively reducing discharged flow
The mutual-filling ship lock valve control method can effectively reduce the discharged flow, and is different from a conventional mutual-filling ship lock operation mode that water filling and discharging operation of a second-stage main valve needs to be carried out after first-stage mutual-filling operation is finished. The control method adopted by the invention comprises the following steps: after the mutual irrigation valve is opened, the sluice gate chamber injects water into the water filling gate chamber, meanwhile, the main sluice valve of the sluice gate chamber is selectively opened in advance to drain water to the downstream approach channel, a part of water in the sluice gate chamber is drained in advance, the water drained to the downstream approach channel in the second stage of the sluice gate chamber is reduced, and the two water delivery stages are properly overlapped; and a method of intermittently opening the main drainage valve is adopted, so that on the basis of meeting the total water delivery time requirement, the drainage flow process line of the second stage can be tampered, the flow peak value of the ship lock discharged to the downstream is effectively reduced, and the navigation and berthing conditions of a downstream approach channel are improved. The operation method is simple, safe and convenient to operate, the ship navigation safety can be guaranteed, and the ship lock operation efficiency is improved.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION
Prediction method of sediment cross-section erosion variation under influence of sluice
The present application relates to the technical field of sediment cross-section erosion, and particularly relates to a method for predicting sediment cross-section erosion variation under the influence of a water gate. A current erosion and deposition topography sequence corresponding to a current time of a target gate is obtained, and future precipitation-runoff data, future water level difference between upstream and downstream, and future tide change data within a future preset time length corresponding to the target gate are obtained; based on the future precipitation-runoff data, the future water level difference between upstream and downstream, and the future tide change data, future gate scheduling data corresponding to the target gate is determined; the current erosion and deposition topography sequence, the future precipitation-runoff data, the future water level difference between upstream and downstream, the future tide change data, and the future gate scheduling data are input into a preset erosion and deposition variation prediction model, and output of sediment cross-section erosion variation within the future preset time length corresponding to the target gate is output. Timely and reliable technical support is provided for hydraulic scheduling and risk management, and safe and efficient operation of a tidal gate in an estuary is realized.
Owner:HOHAI UNIV