1645results about "Artificial water canals" patented technology

The invention relates to the technical field of data processing, in particular to a rice field gate anti-clogging intelligent monitoring control method, which comprises the following steps of: acquiring multi-dimensional monitoring data of a gate at each monitoring moment in real time, and forming a multi-dimensional monitoring data sequence by the multi-dimensional monitoring data of the gate at each monitoring moment in each operation process; one gate operation process corresponds to one multi-dimensional monitoring data sequence; for any gate operation process, obtaining an optimized gate clogging coefficient of any gate operation process according to the multi-dimensional monitoring data sequence corresponding to any gate operation process; the method comprises the steps of obtaining an optimized gate clogging coefficient of each gate operation process, obtaining a gate clogging trend index by using the optimized gate clogging coefficient of each gate operation process, and carrying out gate clogging prevention intelligent monitoring control according to the optimized gate clogging coefficient and the gate clogging trend index of the current gate operation process. And early-stage, quantitative and trend monitoring of the clogging state of the gate is realized.

The device comprises a cross beam horizontally and fixedly arranged above a rectangular channel section of an aqueduct in the left-right direction, and the portions, on the left side and the right side of a flow guide pier, below the cross beam are each provided with a grating type eddy current damping wave absorbing assembly. A water surface fluctuation monitoring sensor is arranged in front of the cross beam in the aqueduct, a fluctuation signal processor and a PLC are arranged on the cross beam, and the signal output end of the water surface fluctuation monitoring sensor is connected with the signal input end of the PLC through the fluctuation signal processor. The signal output end of the PLC is connected with the signal input end of the grating type eddy current damping wave absorbing assembly. The aqueduct has the following advantages that vertical oscillation of water in the aqueduct is effectively restrained, the vertical amplitude of water surface waves is reduced, and oscillation waves are prevented from splashing out of the aqueduct, so that the effective water cross section of the aqueduct is increased, the flow capacity of the aqueduct is improved, and the aqueduct is safe, low in energy consumption, low in cost and easy to implement.

The present invention discloses a double-layer overpass fishway structure, belonging to the field of fishway design in water conservancy projects. The double-layer overpass design enables an upper overflow and a lower submerged flow. The water flow structure within the pool chamber is diverse and can adapt to different water depths, creating favorable hydraulic conditions for fish with different preferences. The double-layer overpass fishway comprises: a trumpet-shaped inlet section, a hump-shaped weir transition section, a double-layer overpass pool section (including a lower disc-shaped channel section and an upper overflow section), and a resting pool section. The hump weir section divides the pool chamber into an upper overflow area and a lower submerged outflow area. The formation of the upper overflow area draws jumping fish into the upper overflow weir section, while the lower submerged flow area is used to attract bottom-dwelling fish and allow them to smoothly swim upstream through the disc-shaped channel section. The arrangement of the resting pool section creates a low-flow zone to allow fish to recover their strength, thereby allowing them to successfully complete their upstream migration and ensure the stability of the river ecosystem.

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

The invention discloses an intelligent ditch gate dam self-adaptive adjustment method based on the Internet of Things, relates to the technical field of drainage control, and provides a set of integrated method of multi-source data fusion, predictive diagnosis and automatic fault tolerance for fault prevention and disposal of a gate dam execution mechanism in farmland irrigation. High-quality sensing data is obtained in real time through edge calculation and a wavelet noise reduction technology, and potential anomalies are marked in time; secondly, analyzing the state of an execution mechanism by combining a historical fault record and a health model, and sending out a maintenance suggestion in advance; if a serious fault occurs, the local controller automatically starts secondary adjustment and emergency linkage to temporarily compensate downstream water supply or flood diversion; and finally, the central dispatching center iteratively updates a dispatching strategy by using a global collaborative optimization and self-learning mechanism, and the system reliability and the resource utilization efficiency are enhanced. Therefore, closed-loop management of the gate dam execution mechanism is realized, and stable operation of large-scale farmland irrigation under load and outdoor environments is ensured.

The invention discloses a method for near-natural rapid restoration of a degraded wetland by using micro-landform assembly, and belongs to the technical field of wetland ecological engineering. The invention aims to solve the restrictive problems of poor habitat heterogeneity of the degraded wetland and low sustainability of the restored wetland. The method comprises the following steps: 1, restoring wetland site selection and habitat quality evaluation; 2, optimizing the shape of the substrate of the restored wetland and constructing a sheetflood water network; 3, collecting a hill pier body and assembling the hill pier body with a micro-landform; 4, sectional hydrological regulation and dynamic management; and 5, evaluation and mediation management and control of the recovery effect. The method is clear in principle and high in operability, habitat heterogeneity can be enhanced through micro-landform matching so as to promote plant diversity improvement, the design thought conforms to the close-to-nature recovery concept, and any project implementation hidden danger and secondary ecological risk do not exist. The method disclosed by the invention is applied to the near-natural restoration of the degraded wetland. The method is used for near-natural restoration of the degraded wetland with lack of habitat heterogeneity.

The utility model discloses a water conservancy irrigation water-saving gate capable of adjusting water flow, which comprises two mounting plates, the same gate is mounted between the two mounting plates in a sealing and sliding manner, the front side and the rear side of the gate are both fixedly connected with lifting mechanisms, the tops of the two mounting plates are fixedly connected with the same concentric-square-shaped frame, and the same concentric-square-shaped frame is fixedly connected with the lifting mechanisms. The front side and the rear side of the concentric-square-shaped frame are fixedly connected with first band-type brake motors, the ends of output shafts of the first band-type brake motors are fixedly connected with the corresponding lifting mechanisms, and the first band-type brake motors are matched with the lifting mechanisms. Through the arrangement of a series of structures, water flow can be accurately controlled and adjusted through electric drive in cooperation with the arrangement of the flow sensor, the situation that water conservancy irrigation is affected due to the fact that the water flow is large or small can be effectively reduced, floating objects in irrigated water can be filtered and shielded, and the water conservancy irrigation efficiency is improved. And meanwhile, the filtered and shielded floating objects can be scraped, collected, hoisted and cleaned, and the device is convenient to use by personnel.

The utility model provides a large-scale navigation tunnel with escape channels capable of adapting to water level amplitude variation. The large-scale navigation tunnel comprises a plurality of escape channels, escape connecting trestle roads, a plurality of escape crawling ladders and an auxiliary traffic hole, the first end of the escape channel communicates with the large navigation tunnel, and the second end communicates with the auxiliary traffic tunnel. The first ends of the escape channels are located at different elevations. The side wall of the large navigation tunnel is provided with an escape connecting trestle road, and the escape connecting trestle road close to the first end of each escape channel is downwards provided with at least one escape ladder stand. The first ends of the multiple escape channels are located at different elevations, the escape connecting plank road is arranged on the side wall of the large navigation tunnel, the escape connecting plank road close to the first end of each escape channel is downwards provided with at least one escape crawling ladder, and the first ends of the multiple escape channels located at different elevations are communicated; under the condition of different water levels, people can escape in time through the escape ladder, the escape connecting gallery road, the escape channel and the auxiliary traffic hole in each hole section.

The present invention discloses an integrated pump gate with automatic cleaning and anti-clogging functions, specifically relating to the field of integrated pump gates, comprising a main frame, a filter screen fixedly provided at the front end of the main frame, a cleaning mechanism provided at the front end of the filter screen, a sedimentation well provided on the inner side of the main frame, a sludge pump provided on one side of the sedimentation well, a motor box fixedly provided on one side of the main frame, and a collection box fixedly provided on the other side of the main frame. The present invention can realize the rotation of the crushing knife and the automatic collection of debris while driving the cleaning plate to move by driving the motor to clean the debris on the filter screen. The collected debris can rise upward, making it convenient for staff to guide the debris out from the upper end of the collection box without stopping the operation of the integrated pump gate, and can squeeze out the granular debris that clogs the filter screen to prevent clogging of the filter screen.

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 invention relates to the technical field of water conservancy projects, and discloses a two-way water stop cast iron gate with a protection function, comprising: a door-shaped gate frame, which is internally provided with a vertical lifting area; the nodular cast iron gate is movably mounted in the vertical lifting area; the bidirectional self-adaptive sealing system comprises an adjusting cavity which is arranged in the nodular cast iron gate and is through up and down; the connecting rod is fixed to the top of the door-shaped gate frame and extends into the adjusting cavity. The piston assembly can move in the adjusting cavity; when the gate descends, water flow penetrates through the filtering structure to enter the adjusting cavity, the self-weight of the gate is increased, the sealing effect is assisted, the gate can still be kept in a closed state especially under the low-water-pressure or water-free working condition, when the gate ascends, water in the adjusting cavity reversely scours the composite filtering plate, impurities are taken away, and self-cleaning of the filtering system and the bottom sealing strip is achieved; the manual maintenance frequency is reduced, and the device has the advantages of being high in practicability and self-cleaning.

The invention discloses a combined revetment for channel reinforcement and a construction method thereof, the combined revetment comprises stress piles and insert plate piles, the stress piles are inserted along the edge of a channel, one insert plate pile is inserted between every two adjacent stress piles, each stress pile is at least connected with one anchor rod used for pulling and fixing the stress pile, anchor holes corresponding to the anchor rods are formed in the stress piles, and the insert plate piles are inserted into the anchor holes. The anchor hole is of a contracted structure from the upstream face of the stress pile to the downstream face of the stress pile and forms installation guiding and limiting on the anchor rod, and the two side edges, connected with the insertion plate pile, of the stress pile are each provided with a stopping part used for limiting the insertion plate pile to move in the upstream face direction of the insertion plate pile. The combined revetment has the beneficial effects that the combined revetment and a navigation shore are connected into a whole, the structure stress condition is optimized, the revetment function is enhanced, rapid reinforcement of a navigation channel is facilitated, the cost is low, and the adverse effect of a reinforcement structure on the navigation width is reduced to the maximum extent; underwater construction can be achieved through the arrangement of the anchor hole structure, cofferdams do not need to be built, the influence on navigation is small, and the construction efficiency and safety are effectively improved.

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment scraper bucket type trash remover with a grating mechanism, which comprises a rack, a trash holding grating, a plurality of scraper buckets, a first steel cable and a first driving component, the trash holding grating is arranged on the rack and is blocked at a water channel, the scraper buckets are arranged on the rack, and the first steel cable is arranged on the rack. The multiple scraper buckets are arranged side by side in the width direction of the trash holding grating and are divided into two groups in a spaced arrangement mode. Due to the fact that the two sets of scraper buckets move upwards alternately, in the upward moving process of the scraper buckets, every two adjacent scraper buckets are staggered alternately, a shearing effect can be formed between every two adjacent scraper buckets, if dirt such as woven bags and ropes is wound on the scraper buckets, shearing force can be generated on the dirt through alternate staggering of every two adjacent scraper buckets, and therefore the dirt can be prevented from falling off. Dirt wound on the scraper bucket can be easily pulled apart or torn.

The present invention belongs to the technical field of hydraulic machinery, and particularly relates to a canal forming machine, which includes a forming machine body and a forming die arranged on its surface. An integrated leveling and cutting assembly is arranged on the outer surface of the forming die. The integrated leveling and cutting assembly at least includes a conveyor belt, a plurality of rolling rollers, a plurality of leveling shells, and a plurality of guide wheels. The plurality of guide wheels are arranged at intervals around the edge of the forming die. A conveyor belt is commonly connected to the outside of the plurality of guide wheels. The plurality of rolling rollers and the leveling shells are arranged at intervals on the surface of the conveyor belt. One end of the rolling roller close to the forming die is connected with a driven gear. At least two arc-shaped movable blocks are rotatably connected to the end of the rolling roller far away from the forming die. By adopting the technical scheme of the present invention, the problems that the surface of the canal formed by the existing canal forming machine is uneven and not smooth, and an additional device is needed to make expansion joints, and the formed quality of the made expansion joints is poor, time-consuming and laborious can be solved.

The landslide dammed lake landform utilization and restoration method comprises the steps that backfill back pressure is conducted on a slope toe river channel at the front edge of a landslide, reinforced concrete retaining walls are arranged at the upstream end and the downstream end of a backfill back pressure area respectively to stabilize backfill bodies of the backfill back pressure area, and water from the upstream of the river channel is intercepted to form a water storage area; reinforced concrete flood discharge and sand discharge holes are linearly distributed in stable mountain bed rock outside the landslide area, the inlet ends of the flood discharge and sand discharge holes are connected with an upstream water storage area river bank, the outlet ends of the flood discharge and sand discharge holes are connected with a downstream river bank slope, and a water pump station and a pipeline are built in a geological stable area of the water storage area to lift water. The land in the landslide area is recycled; by arranging the backfill back pressure area and the flood discharge and sand discharge hole, on the basis of stabilizing the landslide weir body, the water pumping station and the water lifting pipeline are built, water stored in the water storage area is utilized to irrigate and recycle land in the landslide area, land utilization and ecological restoration are carried out on the basis of landslide prevention and control, and the landslide treatment effect is improved.

The utility model discloses a drainage device for hydraulic engineering, and relates to the technical field of drainage for hydraulic engineering. The water drainage device for the water conservancy project comprises a water drainage channel and a limiting net, the limiting net is arranged in the water drainage channel, a residue blocking mechanism for conveniently blocking floating objects is arranged in the water drainage channel, and a residue discharging mechanism for conveniently cleaning the floating objects in a river channel is arranged in the water drainage channel. According to the drainage device for the water conservancy project, by arranging a high-pressure spray head, when floating objects in a river channel need to be intercepted and collected, firstly, the floating objects are intercepted through a sliding strip and a blocking net, at the moment, a water suction pump conveys water into a water outlet pipe through a water suction pipe, and water in the water outlet pipe is sprayed out through the high-pressure spray head; the floating objects on the water surface are flushed into the collecting tank while the high-pressure spray head sprays water, the floating objects in the collecting tank are conveniently collected through the limiting net, follow-up fishing and cleaning are facilitated, and the device is convenient for intercepting and collecting the floating objects in the river channel.

The invention relates to the technical field of agricultural water conservancy control, in particular to a high-standard farmland intelligent irrigation and drainage pump gate cooperative remote control method and system, and the method comprises the steps: generating a cooperative control instruction which restrains the power of a water pump and the opening and closing of a gate at the same time based on farmland water level information; establishing a conflict relationship between the response delay time of the water pump and the action delay time of the gate, and disassembling the cooperative control instruction into control sub-instructions for the water pump and the gate; when the soil under-saturation signal is continuously detected, the distribution adjustment control sub-instruction adjusts the output power of a water pump and controls the opening degree of an irrigation gate; when the water level overrun signal is continuously detected, the control sub-instruction is adjusted to control the opening degree of the drainage gate, and the output power of the water pump is reversely adjusted based on a backwater shock wave model triggered by the gate opening degree; the farmland water level information is detected in real time, and a cooperative control instruction is reconstructed. According to the invention, the problem of water level oscillation caused by misalignment of cooperative control of the water pump and the gate due to response time delay difference is effectively solved.

The utility model relates to the technical field of flow-limiting drainage, in particular to a rainwater flow-limiting drainage device which comprises a drainage channel, a U-shaped frame arranged between two first clamping grooves, a flow-limiting plate arranged between two side walls of the U-shaped frame, a screw rod arranged at the top of the flow-limiting plate, a hoist arranged at the top of the U-shaped frame and comprising a box body and a box cover, and the screw rod penetrates through the hoist. A protective fence plate is arranged between the two second clamping grooves. According to the rainwater flow-limiting drainage device, a drainage channel with a first clamping groove and a second clamping groove is arranged, a U-shaped frame with a flow-limiting plate is matched with the first clamping groove in an inserted mode, a protective baffle plate with two filter plates is matched with the second clamping groove in an inserted mode, a hoist is matched with the U-shaped frame, a worm and a worm gear are installed in a box body, and a crank rotates to drive the worm to rotate; under the threaded fit of the threaded rod and the threaded groove in the worm gear, the worm gear is kept rotating in situ, then the threaded rod moves up and down, the flow limiting plate moves up and down, and then the size of the drainage opening of the drainage channel is adjusted.

The utility model discloses a drainage mechanism for a water conservancy project. The drainage device comprises a control base, a drainage base, a drainage enhancing assembly arranged on the surface of the drainage base and a drainage control assembly arranged in the drainage base, the drainage control assembly comprises an embedding groove formed in the drainage base, an embedding block is connected into the embedding groove in a matched mode, one end of the embedding block is fixedly connected with a baffle, the baffle is in an L shape, and the drainage enhancing assembly is arranged on the surface of the drainage base. The baffle is movably connected to the interior of the drainage base, the connecting positions are increased through the caulking grooves formed in the two sides of the interior of the drainage channel, the baffle is connected with the caulking grooves through the embedding blocks fixedly connected to the two sides, the baffle is installed in the drainage channel, and the baffle is in an L shape, so that the interior of the drainage channel is conveniently blocked, and a water source in the drainage channel is conveniently controlled; a plurality of wave-shaped columns are mounted at the bottom of the inner side of the drainage channel, so that the turbulence of a water source during drainage is improved, the impact force on the drainage base is reduced, the overall protection performance is improved, and drainage operation is facilitated.

The invention discloses a water channel flooding leakage detection device and a construction repair method, and belongs to the technical field of leakage repair construction. Comprising a detection leaking stoppage vehicle, the detection leaking stoppage vehicle is connected with a charging barrel and a feeding pipe, and the charging barrel is communicated with the feeding pipe; a grouting head is further included, a connecting cylinder is fixedly connected to the top of the grouting head, a first air bag is connected to the connecting cylinder, and a second air bag is fixedly connected to the grouting head; the material conveying pipe is fixedly connected into the connecting cylinder, and the material conveying pipe communicates with the grouting head; the shooting device is fixedly connected to the grouting head; the exhaust pipe is fixedly connected to the grouting head; according to the device, the humidity in the drill hole is detected in a layered manner, and the specific humidity condition in the drill hole can be analyzed and judged by comparing and analyzing the humidity signal, so that a worker can conveniently infiltrate repairing agents with different concentrations, and the leakage rate of the drill hole is improved by infiltrating the repairing agents with different concentrations into the drill holes at different leakage points. The plugging effect of the repairing agent on the leakage position in the drill hole can be guaranteed, and the cost is effectively controlled.

The invention discloses a construction method for an ecological environment management project of a trunk canal, which relates to the technical field of ecological environment management projects and comprises the following steps: S1, driving steel pipe piles into a river channel, and fixing steel pipe brackets on the steel pipe piles; s2, supporting piles are driven into a riverbed between the first side river bank and the steel pipe piles; s3, the anti-seepage cloth is installed on the cross beams, and the cross beams are fixed to the supporting piles; s4, the cross beams and the supporting piles are pressed into water together till the cross beams abut against the riverbed, and the anti-seepage cloth is laid on the riverbed; s5, the upstream anti-seepage cloth is in lap joint with the downstream anti-seepage cloth, sand bags are arranged at the lap joint, and a first-stage cofferdam is formed; s6, river water is completely drained into the first-stage cofferdam; s7, treatment construction of a second-side river bank is conducted, and a second-stage cofferdam is constructed; s8, the first-stage cofferdam is dismantled; and S9, the river water is completely drained into the second-stage cofferdam, and treatment construction of the first-side river bank is conducted. The construction method has the effect of improving the construction efficiency and the construction safety of the ecological environment treatment project of the trunk canal.

This invention relates to the field of water conservancy and hydropower ecological protection technology, and in particular to a fish passage system with both autonomous and auxiliary fish passage functions, comprising a base and a fish passage assembly; a vertical pier is provided on the base; a temporary storage tray is provided on the upper part of the pier; the upper part of the fish passage assembly is mounted on the outer circumference of the temporary storage tray via a hinge structure; a driving mechanism is provided on the pier for driving the fish passage assembly to rotate around the pin of the hinge structure; the fish passage assembly includes a first square tube and a second square tube; a fish lifting mechanism is provided in the first square tube for vertically lifting fish into the temporary storage tray; multiple pairs of fish passage baffles are arranged at intervals from top to bottom in the second square tube to form a vertical slot fish passage; a water pump is provided on the pier for replenishing water to the temporary storage tray and the second square tube; and a discharge pipe is connected to the bottom of the temporary storage tray.

The invention provides an intelligent construction safety monitoring system and method for a U-shaped stacked box rigid frame aqueduct, and the system is suitable for the U-shaped stacked box rigid frame aqueduct for hanging basket construction, and comprises a sensing layer which is used for collecting the stress state of a hanging basket; the environment monitoring unit is a micro weather station mounted on an upper cross beam of the hanging basket; the posture monitoring unit is used for monitoring the lateral and longitudinal inclination angles of the hanging basket in real time; the execution layer comprises a catenary anti-overturning device arranged behind the rear anchor point of the hanging basket, the catenary anti-overturning device comprises a hinged steel chain, and the hinged steel chain and the foundation anchoring end form a catenary structure; the control layer comprises an edge computing terminal and a threshold library in which early warning thresholds are stored, and the edge computing terminal is used for receiving the data of the sensing layer in real time, performing multi-source data fusion analysis and judging whether an early warning or emergency mechanism is triggered or not according to an analysis result; and the interaction layer comprises a visual platform, and the visual platform is used for carrying out fusion display on the monitoring data and the BIM model and presenting the risk level in a color coding mode.

The invention provides a vertical shaft type water inlet and outlet gate system of a pumped storage power station, and belongs to the technical field of water conservancy safety control. Comprising a cylindrical gate, a closed shaft, a trash rack section, a diffusion section, a straight pipe section, a bent pipe section and a tunnel section which are sequentially arranged on the cylindrical gate vertical shaft type water inlet and outlet in the power generation water flow direction. One end of the trash rack section is a horn mouth section, the trash rack section is provided with a cover plate, a diversion pier and a trash rack, and the lower portion of the cover plate of the trash rack section is connected with the diversion pier; digging a hole in the center of the cover plate; the trash rack is provided with an orifice serving as a water inlet / outlet orifice; a diversion tunnel is connected behind the bent pipe section; the gate is a cylindrical gate and arranged above the water inlet and outlet, the gate is vertically communicated, the bottom of the gate is fixed to the inner surface of the horn mouth section concrete, the top of the gate is fixed to a cover plate of the trash rack section, and the periphery of the gate is fixedly connected with a closed shaft through a diversion pier wall. The construction difficulty can be reduced, and the maintenance convenience degree can be improved.

The invention relates to the technical field of water conservancy and hydropower engineering, and discloses a sediment-carrying bed load riverway water taking structure which comprises a bed stabilizing structure, a flow guiding structure and a water taking structure, the bed stabilizing structure is arranged perpendicular to the water flow direction of a riverway, and one end of the bed stabilizing structure is connected with one side of the riverway; one side of the diversion structure is connected with the other end of the bed stabilizing structure, and the other side is connected with one end of the flood discharge gate; the water taking structure comprises a water taking weir, a pre-sedimentation tank and a sand blocking ridge, the pre-sedimentation tank is arranged on the other side of the river channel, the outer wall of the pre-sedimentation tank is connected with the flood discharge gate, the water taking weir is arranged on the side, close to the flood discharge gate, of the pre-sedimentation tank, and the sand blocking ridge is arranged on the downstream of the pre-sedimentation tank. The water taking structure carries out water taking and desilting, the water diversion and sand prevention problems of the river channel water taking opening are solved, and the operation efficiency of the water taking system is improved.

The application relates to the technical field of trash racks, and particularly discloses a water conservancy trash rack device, which comprises a channel, a trash rack fixed in the channel and a collecting mechanism arranged on one side of the trash rack, two oppositely arranged mounting plates are fixed at the top of the channel, traction assemblies are arranged on the two mounting plates, slide assembly components are arranged on the inner walls of the two mounting plates, a cleaning mechanism and a filtering mechanism connected with the cleaning mechanism are arranged in the channel; when the accumulated sundries need to be cleaned, the cleaning mechanism is pulled upwards along the slide assembly component through the traction assembly, the sundries are cleaned out of the water surface, in the process, the filtering mechanism can intercept the sundries flowing below the cleaning mechanism to prevent the sundries from being accumulated at the trash rack, and the filtering mechanism can assist the cleaning mechanism to pour the sundries into the collecting mechanism.

The invention relates to the technical field of water conservancy construction, and discloses a water conservancy construction lining machine with a vibration compaction function, the water conservancy construction lining machine comprises a stock bin main body, the stock bin main body serves as a foundation part of the whole lining machine and is used for supporting an upper side component to bear concrete, and a supporting frame is installed on the outer side of the stock bin main body and is used for stably supporting the stock bin main body; a discharging port is formed in the lower side of the inner wall of the stock bin body, a feeding port is formed in the upper side of the stock bin body, a bottom baffle is fixedly connected to one side of the discharging port of the stock bin body, and a stock bin rubber plate is arranged on one side of the bottom baffle. The distributing auger blade driven by the motor can evenly distribute concrete, and the problem that a material layer is not even is solved. And then, the high-frequency vibrating rod works immediately and efficiently, bubbles are effectively removed, and the compactness and strength of the lining layer are greatly improved. The automatic collaborative operation mode ensures that the engineering quality is stable, and the labor intensity is reduced.

The utility model discloses a water conservancy channel design structure, relates to the technical field of water conservancy project, including water conservancy channel body, mount and folding type filter screen, mount on the water conservancy channel body, mount on mount is embedded with bearing seat, the middle of bearing seat is equipped with handle, the middle thread of handle is equipped with threaded rod, the folding type filter screen is equipped with folding type filter screen, the folding type filter screen is equipped with folding type filter screen, the folding type filter screen is equipped with folding type filter screen. An outer frame is arranged under the threaded rod, a folding type filter screen is installed in the middle of the outer frame, and the outer frame is fixedly connected with the bottom end of the threaded rod. By arranging the folding type filter screen, the contact area of the filter screen and water in a water channel can be larger, namely, the filter area of the filter screen is larger, and the flowability of the water in the water channel is better; due to the fact that the trash blocking plate is arranged, the water permeable holes are formed in the trash blocking plate, when the folding type filter screen is lifted upwards, the trash blocking plate can be lifted up at the same time, and the trash blocking plate drains out sundries blocked by the filter screen.

The utility model relates to a rectifying gate, which belongs to the technical field of hydraulic engineering and comprises a gate plate and a turntable. Wherein the gate plates are arranged in the runner in pairs; when the gate plates arranged in pairs are combined into a V shape, the rectifying gate is closed; otherwise, the rectification gate is opened; the V-shaped opening end formed by combining the flashboards faces the water flow direction, and when the flashboards are opened to be parallel to the flow channel direction, the opening degree of the rectification gate is maximum so as to adjust the water flow; the turntable is arranged above the flashboard and is fixedly connected with the flashboard; and when rotating, the turntable drives each pair of flashboards to rotate reversely. The opening degree of the rectifying gate can be adjusted according to needs, and therefore accurate control over water flow is achieved. When the gate plate is opened to be parallel to the direction of the flow channel, the opening degree of the rectification gate is maximum, stable flowing of water flow can be ensured, the problem that the water flow of an existing gate device is unstable is solved, and more stable water flow management is provided; in addition, the rectifying gate is simple in structure and convenient to install and maintain.