111 results about "Floodgate" patented technology

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

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

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

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

The utility model relates to the technical field of hydraulic engineering, in particular to a water gate door frame fixing device for hydraulic engineering construction, which comprises a concrete base, a connecting groove is arranged on the inner wall of the concrete base, a limit slot is arranged at the bottom of the inner wall of the connecting groove, and a gate frame is connected to the top surface of the concrete base. A connecting sliding base is fixedly welded to the side face of the gate frame, a limiting inserting rod is fixedly welded to the bottom face of the gate frame, a positioning bolt is arranged on the top face of the connecting sliding base, and a fixing bolt is arranged on the side face of the concrete base. The arc-shaped gate is arranged, the water inlet and the frame are arranged in a staggered mode, water flow is divided along the arc face of the gate, the frame and the connecting position are prevented from being directly impacted, the structure loosening risk is reduced, the stability of the gate body is ensured, and the sliding type filter screen frame is arranged in the gate, so that garbage impurities are intercepted during water drainage and prevented from being clamped into a gate gap to hinder opening and closing.

The application provides a water gate buffering protection mechanism, which comprises symmetrically arranged power chambers, a flow guide strip connected between the two power chambers, a driving shaft connected between the two power chambers, a gate connected to the driving shaft, a plurality of flow buffering and guiding flow guide grooves arranged on the gate, a flow guide plate arranged on the top of the gate, and a flow disturbing mechanism arranged in the flow guide groove and used for impacting water buffering. The application utilizes the elasticity of the buffering sleeve and the transmission of water, can reduce instantaneous impact, and simultaneously cooperates with the rotating pipe water inlet and the backflow pipe water outlet to form mixed flow, reduces the force of water flow contacting the gate, protects important parts of the water gate, further increases the safety of the water gate, eliminates most of the safety hazards, simultaneously reduces the maintenance difficulty, and reduces the risk.

The invention discloses an integrated water conservancy monitoring device for a reservoir sluice pump station, and relates to the technical field of water conservancy monitoring. The device comprises a mounting base, a stabilizing mechanism is fixedly mounted at the bottom of the mounting base, the stabilizing mechanism comprises a first stabilizing insertion rod fixedly mounted at the bottom of the mounting base, a connecting plate is slidably connected into the first stabilizing insertion rod, a second stabilizing insertion rod is fixedly mounted on the connecting plate, and the second stabilizing insertion rod penetrates through the first stabilizing insertion rod and extends out; a reset spring is arranged between the connecting plate and the inner wall of the first stable inserting rod, the upper portion of the connecting plate abuts against the arc shape of the connecting rod, and the connecting rod is slidably connected into the fixing mechanism. By arranging a plurality of stabilizing mechanisms, after a first stabilizing inserting rod is inserted into the ground, when the first stabilizing inserting rod meets soft or complex terrains, a connecting rod is pressed downwards, and a second stabilizing inserting rod penetrates into the ground to enhance connection. A plurality of stabilizing mechanisms are uniformly distributed, so that stable support can be provided from multiple directions, different geologies can be effectively coped, stable installation of the device is ensured, and continuous monitoring is guaranteed.

The invention discloses a method for judging a backflow time period of a gate in a plain tidal river network. The method comprises the following steps: acquiring water gate upstream and downstream long-series observation water level, drainage basin rainfall and wind field data; astronomical tide and rainfall runoff decoupling is carried out on the downstream section water level, dynamic deformation characteristic parameters are extracted and corrected, and a downstream water level forecasting curve set is obtained; physically decomposing the observation water level of the upstream shallow lake, extracting the average water level and the wind-generated water level deviation, and calculating an upstream forecast curve set in combination with rainfall; combining the forecast curve set to construct a predicted water level difference sequence set; extracting a prediction error quantile based on a pre-constructed error condition distribution library, and performing lower bound calibration and minimum extraction on the difference sequence to obtain a partial safety fusion water level difference sequence; a backflow risk period is identified based on the fused sequence and a decision threshold. According to the method, time consumption of complex numerical solution is avoided, and timeliness and robustness of advanced early warning in the backflow risk time period are improved.

The invention discloses a water gate lockage flow correction method and device, a medium and a product, and relates to the technical field of hydraulic data correction, and the method comprises the steps: determining a predicted value of the lockage flow at the current moment based on the upstream and downstream water level difference at the current moment through a lockage flow empirical formula; determining a neighbor normalized relative deviation set at the current moment based on the upstream and downstream water level difference at the current moment and the optimal water level difference radius; determining a probability prediction value corresponding to each neighbor normalized relative deviation in the neighbor normalized relative deviation set at the current moment by using a probability prediction function; determining an error correction value at the current moment based on a probability prediction value corresponding to each neighbor normalized relative deviation in the neighbor normalized relative deviation set at the current moment by utilizing an error correction formula; and determining a corrected value of the lockage flow of the water gate at the current moment based on the predicted value of the lockage flow at the current moment and the error correction value. According to the method, the water gate lockage flow is corrected.

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

The invention discloses a three-river parallel flow water frying power generation flood control protection method which comprises the steps of horizontal tunnel arrangement, water diversion pipe step arrangement, ventilation window arrangement, water frying tunnel water pipe V and water tank comparison, tunnel section change, river channel centrifugal sand discharge and linear river channel sand discharge. The method comprises the following steps: arranging a sand blocking semi-water gate, comparing tunnel segmentation conditions, arranging a water inlet sand discharge pump-floating platform, and arranging a water conduit funnel, a screen and a hexagonal filter screen. The hydroelectric generation is stable in benefit; rivers are networked, and the drought and flood adjusting capacity is multiplied and far exceeds that of a water storage power station; three gorges have more time to raise the water level of the reservoir, more electricity is generated, and flood is prevented by lowering the water level; if the three gorges are attacked to break the dam, the destructive power of the flood to the downstream is reduced, namely, the attacked value of the three gorges is reduced, and the risk of being attacked is also reduced; for flood disasters, downstream flood control is helped, red envelopes can be collected, and water is most suitable for being used as the red envelopes in rainy seasons; the three gorges dam break exercise is facilitated, and controllability is achieved.

The utility model discloses a high -efficient water gate for water conservancy project in water conservancy project water gate field, including the gate frame, it provides the installation position for other components as the main body of device, the inside of gate frame is provided with the gate, lifting mechanism is used for opening the gate, the lifting mechanism includes the installation cavity, the inside of gate is opened in the installation cavity, the bottom of both sides of installation cavity is opened in the through slot, the inside slidingly connected of installation cavity has the baffle, the top middle part of baffle is opened in the thread groove. This high -efficient water gate for water conservancy project, through make first screw rod rotate, make the baffle rise, open the through slot, make the water flow impact on the rotating paddle wheel, drive the gate to rise, thereby avoid always using manpower to open the gate, utilize the impact of water flow to open the gate and assist, save physical strength, shorten the time of gate opening, save time and effort, improve the practicality of device.

The application relates to a rice field water-saving irrigation and tail water treatment system and method, which comprises a main canal, branch canals, water distribution canals, ring ditches, gates, water flow monitors and water pumps. The main canal is connected with the branch canals, the branch canals are connected with the water distribution canals arranged between multiple fields, and branch gate is arranged at the intersection of the branch canals and the water distribution canals. Irrigation water flows into the branch canals from the main canal and then flows into the water distribution canals. Ring ditches are arranged around each field, inner gates are arranged at the intersections between the ring ditches, the inner gates are opened, irrigation water flows into the rice field along the ring ditches, the water distribution canals are connected with middle canals located in the middle of each field, the middle canals are connected with drainage ditches, and drainage gates are arranged at the connection positions. Due to the height difference between the ring ditches and the middle canals, tail water in the ring ditches is discharged into the middle canals through the water pumps, the drainage gates are closed, tail water gates at the intersections of the middle canals and the water distribution canals are opened, tail water in the middle canals returns to the water distribution canals, and the tail water is recycled for water-saving irrigation. The water-saving irrigation is achieved by using rice, and the treatment method has the same effect.

The utility model discloses a layout structure suitable for flood discharge and sand washing lock on many silt river, including sand washing lock and flood discharge lock, sand washing lock and flood discharge lock are side by side arrangement, and the upstream of sand washing lock and flood discharge lock is equipped with lock chamber upstream blanket, and the upstream blanket is equipped with the water retaining wall structure between sand washing lock and flood discharge lock, and the downstream of sand washing lock and flood discharge lock is equipped with downstream apron structure, and the downstream apron structure is equipped with the flow guide wall structure corresponding with water retaining wall structure, and the downstream apron structure tail end is fixedly connected with the sea bank structure, and the downstream apron structure and sea bank structure are equipped with apron tail end deep -tooth wall, still include water diversion lock, and water diversion lock is located at the one side of sand washing lock away from water retaining wall structure. The utility model discloses a layout structure suitable for flood discharge and sand washing lock on many silt river, solves the problem of easy wear and tear of existing energy dissipation mode, destroys the sea bank, threatens the stability of building and increases the maintenance management difficulty.

The utility model discloses a river channel water conservancy gate intercepting filter screen, belongs to the technical field of river channel water conservancy gates, solves the problem that floating objects are inconvenient to salvage, and comprises a water gate body, and the outer surface of the water gate body is fixedly connected with a salvage mechanism and a cleaning mechanism. The fishing mechanism comprises a supporting plate fixedly connected to the outer surface of the water gate body, the outer surface of the supporting plate is rotationally connected with a winding drum, the outer surface of the winding drum is fixedly connected with a rope, and the other end of the rope is fixedly connected with a fishing frame. The cleaning mechanism comprises a fixing plate fixedly connected to the outer surface of the water gate body, and two sets of conveying pipelines are fixedly connected to the lower surface of the fixing plate. The first gear motor can be started, the output shaft of the first gear motor drives the winding drum and the rotating shaft to rotate, then the winding drum can take up and pay off the rope, the fishing frame can slide along the outer surface of the limiting rod, and then floating objects on the outer surface of the filter plate can be conveniently fished.

The utility model discloses a novel riverway water level gauge which comprises a lifting device and a detection device. The lifting device comprises a fixing frame, a motor is fixedly installed at the top of the fixing frame, an output shaft of the motor is fixedly connected with a lead screw penetrating towards the interior of the fixing frame, a gate is installed in the fixing frame in an up-down sliding mode, and a threaded hole matched with the lead screw is formed in the gate; the detection device comprises a connecting piece, a first check block, a second check block and a vertical plate, wherein the connecting piece, the first check block and the second check block are fixedly connected to the fixing frame, and the vertical plate is fixedly connected to the gate. According to the novel riverway water level device, through the arrangement of the lifting device and the detection device, after the riverway water level rises, a floating ball can be driven to move upwards, so that the floating ball can drive a floating rod to press a first switch, and then after a motor is started, a gate can be lifted through a lead screw to discharge water; through the arrangement, the water gate can automatically lift the gate to discharge water after sensing that the water level of a river channel rises.

The invention relates to the technical field of municipal buildings, in particular to a gate-type flood control baffle. Comprising a water retaining door, and a door opening and closing device is arranged between a retaining wall and the water retaining door; the water retaining door comprises a door body, a supporting plate is hinged to the door body, and a torsion spring is arranged at the hinged position of the supporting plate and the door body. Stop blocks are arranged on the opposite-side retaining walls, and the positions of the stop blocks correspond to the supporting plates; a fixing shaft is arranged on the hinge seat, a wobble wheel is installed on the fixing shaft in a swinging mode, a power steel rope is wound on the wobble wheel, and the other end of the power steel rope is connected with the supporting plate. A pre-tensioning device is further hinged to the retaining wall and connected with the wobble wheel. In daily life, the water retaining door is in an open state and tightly attached to the retaining wall on one side, and space is not occupied; during use, the telescopic device is controlled to act through the control terminal, the water retaining door is closed, and the sealing rubber strip is matched with the ground and the retaining wall of an underground place entrance; the supporting plate and the stop block can assist the water retaining door in bearing larger pressure, the sealing performance is good, and the anti-pressure capacity is high.

This invention belongs to the field of sluice gate garbage interception technology and discloses a sluice gate garbage interception device for water conservancy projects. It includes a river channel mounting frame installed in the river channel, on which the main body of the sluice gate for river interception is mounted. The invention uses a drive motor to rotate a threaded rod. Since the threads at both ends of the threaded rod are in opposite directions, a sliding member drives a support frame and a cleaning plate to move along a chute towards both ends, pushing the garbage accumulated in the upstream area of ​​the interception net towards both ends and collecting it in a collection assembly. By repeatedly rotating the threaded rod in both directions using the drive motor, the cleaning plate can clean the garbage intercepted by the interception net. This invention can adapt to river channels of different widths, thus avoiding excessive garbage interception by the interception net, which would increase the load on the interception net. Regular cleaning of the garbage collected in the collection assembly improves the efficiency of river garbage retrieval, reduces operating distance, and ensures the safety of operators.

The present application relates to the technical field of energy dissipation and scour prevention of hydraulic structures, and discloses a van-type energy dissipation and sand removal pool, which comprises a connecting section and an energy dissipation and sand removal section, the energy dissipation and sand removal section comprises a bottom plate II, side walls, water retaining overflow walls, overflow openings, energy dissipation and water distribution walls, sand removal gates, water delivery gates, a working platform, a hoist, an energy dissipation and sand removal van, and an energy dissipation and water delivery groove, the bottom of the side wall of the energy dissipation and sand removal section is connected with the bottom plate II, a plurality of energy dissipation and water distribution walls and water retaining overflow walls are arranged on the bottom plate II at intervals, the downstream ends of the left and right sides of each energy dissipation and water distribution wall are connected with the upstream ends of two water retaining overflow walls respectively, and the overflow openings are arranged on the upper portions of the water retaining overflow walls. The van-type energy dissipation and sand removal pool has a reasonable structure, and when water flows through the van-type energy dissipation and sand removal pool, three collision energy dissipations are achieved, the problem of downstream riverbed siltation caused by artificial active rock throwing for energy dissipation is completely eliminated, the flow state characteristics of the conventional stilling pool are effectively improved, and the energy dissipation effect of the stilling pool is better.

The utility model relates to a sluice machine room steel structure roof which comprises a conical framework and a roof tile structure, the conical framework comprises an upper annular pipe and a lower annular pipe, and a plurality of supporting frames are connected between the upper annular pipe and the lower annular pipe in the circumferential direction to form the conical framework. A hoisting opening is formed in the upper annular pipe; the roofing tile structure comprises a tile panel and a tile top cover, the tile panel is arranged away from the hoisting opening, the tile top cover is matched with the hoisting opening, a water retaining portion is formed on the top of the tile panel, and the tile top cover is fixed outside the water retaining portion in a buckled mode. The water gate machine room steel structure roof is directly installed on an original roof and has the advantages of being firm in structure, resistant to wind and rain and convenient to construct, install and maintain.

This invention relates to the field of water conservancy technology, and discloses a method, medium, and electronic equipment for obtaining water flow propagation time during the dry season. The method includes acquiring initial data for the study area; the initial data includes: watershed topographic data, river network boundary data, inflow location data, and inflow data; the initial data is input into a low-to-medium water level runoff evolution model for simulation calculation to obtain the water flow propagation time during the dry season. This invention accurately characterizes the hydrodynamic processes during the dry season in the study area, predicts the available water resources in each river section within the watershed, provides a quantitative basis for water use allocation, and facilitates the optimization of dry season scheduling schemes for water conservancy projects such as reservoirs and sluices within the watershed, predicts the effectiveness of water replenishment scheduling schemes, and specifically addresses key issues in watershed management during the dry season.

The water gate device for the water conservancy project comprises a device body, a gate plate is movably installed in the device body, a driving rod is installed on the upper side of the gate plate, a flow guide assembly is installed on a gate frame of the device body, a flow guide plate A is installed on one side of the surface of the flow guide assembly, and a flow guide plate B is installed on the other side of the surface of the flow guide assembly. A positioning plate is fixedly installed at the end of the flow guide plate A. A fixing column is fixedly arranged at the top of the positioning plate, and a fixing piece is fixedly arranged at the end, away from the positioning plate, of the fixing column and fixed to the gate frame of the device body in a screwed mode. According to the water gate device for the water conservancy project, the arc-shaped guide plate A and the arc-shaped guide plate B can effectively guide water flow when the gate plate is opened, so that the water flow passes through the gate plate more smoothly, vortex and turbulent flow are avoided, a stable and uniform flow state is formed, and safe and stable operation of the water conservancy project is facilitated.

The invention discloses a water gate power generation device with a trash holding function for a water conservancy project, and relates to the technical field of hydroelectric power stations. The water gate power generation device comprises a power generation flow channel formed in a dam body, a water gate main body used for opening and closing the power generation flow channel and a power generator set located at the downstream of the power generation flow channel; a first trash holding assembly and a second trash holding assembly are sequentially arranged at the water inlet end of the power generation flow channel in the water flow direction. The first trash holding assembly comprises a trash holding grid and a conveying belt, and the conveying belt is used for taking trash held by the trash holding grid away from the water surface; the second trash holding assembly comprises a plurality of trash cleaning roller sets which are vertically arranged side by side, each trash cleaning roller set comprises a trash cleaning roller which is vertically and rotationally arranged, the surface of each trash cleaning roller is provided with a spiral trash cleaning strip in the axis direction of the trash cleaning roller, and the conveying belt drives the trash cleaning roller sets to rotate through a transmission mechanism; and the spiral cleaning strip is used for upwards conveying and cleaning tiny floating objects. The generator set has the effect of reducing the probability that the generator set is damaged due to invasion of dirt.

Relates to the field of detection equipment, and discloses pipeline diverter detection equipment, which comprises a bracket, a mounting pipe arranged on the bracket and used for mounting a pipeline diverter, a water tank fixed at the upper end of the bracket, a detection device arranged on the mounting pipe and used for detecting the pipeline diverter, and a control device arranged on the water tank, the detection module is used for detecting the pipeline diverter; the detection device comprises connectors which are arranged on the mounting pipe at intervals and used for mounting the pipeline diverter; the connecting piece is fixed on the connector and is used for fixing the pipeline flow divider; according to the water supply device, pipeline diverters of different models can be fixed, tedious steps of manual operation are reduced, damage caused by frequent opening of the water supply device is avoided, and the service life of the whole device is prolonged.

The utility model discloses a drip irrigation system for a river water diversion irrigation area. The drip irrigation system comprises a water diversion system, a filtering system and a drip irrigation system, the water diversion system comprises a water diversion channel and an intelligent integrated water gate, and the intelligent integrated water gate is arranged on the water diversion channel; the filtering system comprises a trash rack and a circular open caisson, the trash rack is arranged on the upstream of the intelligent integrated water gate, and the circular open caisson is communicated with the water diversion channel; the drip irrigation system comprises a submersible pump and a water seepage pipe, the submersible pump is arranged at the bottom of the circular open caisson, and a water outlet of the submersible pump communicates with a water inlet of the water seepage pipe. The device is not restricted by the terrain fall factor of an irrigation plot, so that full coverage of farmland irrigation is realized, the crop yield is improved, and the income of farmers is increased; water resources are saved, water is supplied to the third-stage hose through pressurization of the submersible pump for crops, and the crop irrigation guarantee rate is further increased; through the underground water level monitoring system, the drained river water is monitored in real time, and soil waterlogging caused by too high water level is prevented.

The utility model provides a trolley convenient to hoist, which relates to the technical field of auxiliary hoisting and comprises an auxiliary track and an all-dimensional automatic auxiliary hoisting mechanism. The lifting operation of the balance girder can be achieved through rotation of the rope sleeve, the whole auxiliary lifting assembly is fixedly connected with the balance girder in an inserted mode through a second fixing plug pin, and auxiliary clamping plates and hydraulic telescopic modules are symmetrically arranged on the two sides of the lower end of the fixing girder. The hydraulic telescopic module can be opened, the two sides of the upper surface of the water gate are inserted into the hydraulic telescopic module, parallel hoisting of the whole water gate is achieved, the balance weight blocks are symmetrically installed at the two ends of the hydraulic telescopic module, and during hoisting, the balance weight blocks can be matched with the balance girder to guarantee balance and stability in the whole hoisting process; and the situation that the water gate is deformed due to uneven stress in the hoisting process is prevented.

The invention belongs to the technical field of paddy field irrigation equipment, and particularly relates to a water gate system which comprises a drainage water gate device, a water inlet water gate device and an opening and closing execution device. The water inlet gate device comprises a water inlet gate body with a water inlet and a water inlet gate for opening and closing the water inlet, the opening and closing execution device comprises a driving mechanism and a quick change mechanism, and the quick change mechanism is used for connecting the drainage gate with the driving end of the driving mechanism or connecting the water inlet gate with the driving end of the driving mechanism. The sluice system is core equipment for paddy field irrigation and is used for connecting water inlet and outlet pipes. According to the water gate system, switching between the drainage water gate device and the water inlet water gate device is achieved through the quick change mechanism, so that switching between the drainage function and the water inlet function of the water gate system is achieved, the water inlet function and the drainage function can be achieved through one driving structure, and then the cost of the water gate system is remarkably reduced.

The utility model discloses a multifunctional anti-falling water conservancy dam gate, which belongs to the related technical field of water conservancy gates and comprises a gate frame, a bearing plate is arranged at the top of the gate frame, a gate plate is arranged at the bottom of the bearing plate, a gear motor is mounted on the surface of one side of the bearing plate, and the output end of the gear motor is connected with a worm. By arranging the cleaning assembly, garbage in water flow can be cleaned and collected, the garbage in an upstream water area is prevented from polluting a downstream water area along with the water flow, and the labor amount of manual cleaning is also reduced; and by arranging the heating assembly, the flashboard can be heated through the heating assembly, so that the flashboard is separated from the ice surface, the flashboard can be normally used, the application range of the water gate is expanded, and the practicability is enhanced.

The utility model provides an open sea sluice wave energy dissipation grid structure which comprises an energy dissipation grid body used for being installed in an apron on the downstream portion of a sluice and a plurality of vertically-arranged energy dissipation columns arranged in the width direction of the apron at equal intervals. Each energy dissipation column comprises a lower column body used for being connected with the bottom face of the apron and an upper column body arranged on the lower column body, the cross sections of the lower column bodies and the cross sections of the upper column bodies are in an oval shape or a runway shape, the length direction of the cross sections of the lower column bodies and the cross sections of the upper column bodies is parallel to the width direction of the energy dissipation grid body, and every two adjacent lower column bodies and / or every two adjacent upper column bodies are connected through a cross beam. Connecting cross beams used for being connected with wing walls on the two sides of the apron are arranged at the two ends of the energy dissipation grid body. According to the open sea water gate wave energy dissipation grid structure, wave dissipation is carried out in the mode that the energy dissipation grid is built in an open sea side water outlet pool, the building cost is low, the structure is simple, the construction difficulty is low, no sea area is occupied, and certain application value is achieved in the aspect of protecting a water gate against wave invasion.