229 results about "Canal lock" patented technology

The invention relates to the technical field of ship lock combined scheduling, and discloses a cascade ship lock combined scheduling method and system based on multi-basin input factors, and the method comprises the steps: obtaining a plurality of sub-basins with independent hydrological responses based on the hydrological flow information of basin units, and calculating the flow information of the sub-basins; performing calculation to obtain uplink and downlink flow imbalance of the sub-basins, collecting ship operation data and ship lock information of the step ship locks, and constructing a multi-basin input factor; and constructing a combined scheduling strategy based on the multi-basin input factors, performing combined scheduling on the cascade ship locks in different sub-basins, and generating scheduling actions of the cascade ship locks. According to the method, the ship operation data, the ship lock state information and the uplink and downlink flow imbalance of the cascade ship locks are combined, organic fusion of hydrological information and the shipping state is achieved, the cascade ship locks in different sub-basins can cooperatively decide scheduling actions, and the response ability and the regulation and control efficiency of the cascade ship locks to multi-basin complex changes are improved.

The invention provides a ship lock chamber slope stability analysis method and system, and relates to the technical field of slope stability analysis. The method comprises the following steps: constructing a three-dimensional finite element analysis model corresponding to a ship lock chamber by utilizing a finite element analysis method based on geological and hydrological information of an area where the ship lock chamber is located and current situation information of a ship lock chamber slope; based on the three-dimensional finite element analysis model and the design parameter set of various working conditions, simulating responses of the ship lock chamber slope under different working conditions by adopting a numerical simulation calculation method; constructing a model knowledge graph corresponding to the three-dimensional finite element analysis model, and comparing the response data and the monitoring data of the same monitoring point based on the model knowledge graph to determine whether the accuracy of the three-dimensional finite element analysis model meets a preset accuracy requirement; and analyzing the stability of the ship lock chamber slope under different working conditions to obtain a stability analysis result of the ship lock chamber slope. The accuracy of the stability analysis result is improved.

The invention relates to the technical field of water conservancy projects, in particular to a cofferdam for ship lock transformation and a construction method. A cofferdam for ship lock transformation comprises concrete cofferdam bodies and hollow concrete supporting structures, the concrete cofferdam bodies are tightly attached to the wall faces on the two sides of a ship lock and extend in the water flow direction, and the hollow concrete supporting structures are arranged between every two adjacent concrete cofferdam bodies. The hollow concrete supporting structure is fixedly connected with the concrete cofferdam body through a connecting device, the hollow concrete supporting structure comprises a bottom layer, a hollow layer and a top layer, a plurality of rows of cavities arranged side by side are formed in the hollow layer, and blasting devices are pre-buried in the concrete wall between every two adjacent cavities at equal intervals. The concrete cofferdam body is tightly attached to the wall face of the ship lock, a stable water retaining barrier can be formed, the self weight can be reduced through the design of the hollow layer, and compared with traditional mechanical or manual dismantling, efficient and controllable dismantling can be achieved through the blasting device embedded in the supporting structure, and the construction period can be greatly shortened.

The invention relates to the technical field of hydraulic engineering, in particular to a construction method of a water-saving ship lock, comprising the following steps: S1, excavating a foundation pit at the position of the water-saving ship lock, and building a cofferdam at the upstream of the foundation pit to form a dry construction area in the foundation pit; s2, the bottom face of the foundation pit is excavated to form a lock chamber, mountain bodies on the two sides of the foundation pit are excavated, and excavated sections are leveled to form mountain body side slopes; s3, gate walls are poured on the two sides of the gate chamber, a side slope lining is formed on the mountain side slope in a pouring mode, a bottom face lining is formed on the bottom face of the foundation pit between the mountain side slope and the adjacent gate walls in a pouring mode, and a water retaining dam and a retaining wall are poured on the upstream and the downstream of the gate walls correspondingly; and the lock wall, the side slope lining, the water retaining dam and the retaining wall form side walls of the water-saving pool. According to the water-saving pool and the lock chamber, the original space between canyon mountains is utilized as much as possible, the ship lock construction range can be formed only through slight excavation, the construction amount and the construction cost are reduced, the construction period is shortened, and the construction efficiency is improved.

The present invention relates to the technical field of water conservancy engineering, and specifically to a cofferdam for ship lock reconstruction and a construction method. A cofferdam for ship lock reconstruction comprises a concrete cofferdam body and a hollow concrete support structure. The concrete cofferdam body is closely attached to the walls on both sides of the ship lock and extends along the direction of water flow. The hollow concrete support structure is arranged between two adjacent concrete cofferdam bodies. The hollow concrete support structure is fixedly connected to the concrete cofferdam body by a connecting device. The hollow concrete support structure comprises a bottom layer, a hollow layer, and a top layer. Multiple rows of cavities arranged in parallel are formed inside the hollow layer. Blasting devices are equidistantly embedded in the concrete wall between two adjacent cavities. This application forms a stable water retaining barrier by placing the concrete cofferdam body close to the ship lock wall. The hollow layer design can reduce its own weight. In addition, the blasting device embedded in the support structure can achieve efficient and controllable demolition compared to traditional mechanical or manual demolition, which can greatly shorten the construction period.

The invention discloses an inland river ship lock fault risk grade assessment method based on machine learning, and the method comprises the following steps: collecting water level, gate opening, current, vibration and strain data, and generating a monitoring data set; constructing an improved spectrogram wavelet network comprising a physical simulation graph fusion branch, a heterogeneous structure fusion branch, a scale crossing fusion branch and a hypergraph structure fusion branch; inputting a monitoring graph structure and a physical simulation graph structure, and generating physical prior graph embedding; inputting a physical part diagram structure and a sensor diagram structure, and generating heterogeneous structure diagram embedding; extracting high-frequency and low-frequency image embedding, and generating scale fusion image embedding; constructing a coarse-grained function hypergraph and a fine-grained monitoring hypergraph, and generating coarse-fine fusion graph embedding; and fusing four types of graph embedding, generating a risk feature vector, inputting the risk feature vector into a risk assessment network, and outputting a risk level result. According to the method, multi-structure chart information and frequency domain features are fused, and the modeling capability of fault risk assessment is improved.

The invention relates to the field of ship locks, in particular to a construction method of a water delivery valve model, which comprises the following steps of: selecting a valve with the most unfavorable working condition as a research object, constructing the model through a similarity principle, providing support for a flat plate type valve through a first guide wheel and a second guide wheel, and being capable of bearing pressure in two directions; non-constant flowing water characteristics and cavitation characteristics during valve operation are detected, valve model resistance is corrected by introducing hydraulic parameters of a ship lock water delivery system overall model, the model can be locally optimized based on a corrected model resistance coefficient, and the resistance coefficient is reduced.

The invention discloses an intersection water area multi-ship-lock combined dispatching analogue simulation method and device and electronic equipment, and relates to the field of ship lock emulation.The method comprises the steps that a canal intersection water area multi-ship-lock system simulation model is built, and the model at least comprises a plurality of ship locks dispatched in a combined mode, configuring a ship traffic flow operation strategy of the multi-ship-lock system simulation model of the canal intersection water area, operating the multi-ship-lock system simulation model of the canal intersection water area, and counting ship operation data indexes, gate entering and exiting waiting time indexes, ship lock traffic flow indexes and navigation encounter frequency indexes of ships at the intersection to obtain a model simulation operation result; based on the model simulation operation result, the ship lock chamber plane scale, the ship lock scheduling rule, the intersection water area navigation rule and the parking area capacity are adjusted. The technical problem that a ship lock operation and water area navigation simulation model in the prior art focuses on performance evaluation of a single facility and cannot reflect a multi-ship lock operation mode of an intersection water area is solved.

The invention discloses a digital twinning-based multistage water-saving ship lock navigation safety guarantee method and system, and the method comprises the steps: collecting multi-source sensing data, generating an alignment data flow and a quality evaluation report, and updating a digital twinning state; by means of the aligned data flow and the quality evaluation report, through non-contact observation and probability fusion, mooring force probability distribution is obtained; based on the digital twinning state and the alignment data flow, identifying a hydraulic impulse response and adopting hydraulic phase lock tracking to generate a vibration suppression opening template; and in the digital twin system, integrating the mooring force probability distribution and the vibration suppression opening template, executing distribution robust random control barrier optimization, and outputting an executable valve track. According to the method, water hammer oscillation can be actively inhibited, robust safety guarantee is provided for uncertain mooring force, and the navigation safety of the large water-saving ship lock is effectively improved.

The invention discloses a simulation analysis method and analysis system for the water flow condition of a double-line ship lock approach channel, and the analysis method comprises the steps: building an approach channel three-dimensional model based on the condition that a double-line ship lock shares an upper approach channel and a lower approach channel; according to the approach channel three-dimensional model, establishing an approach channel water flow mathematical model; the operation conditions of the double-line ship lock water filling and draining process are determined, wherein the operation conditions comprise the water level, the ship lock operation mode and the main gallery valve opening time; and based on the approach channel water flow mathematical model, performing three-dimensional numerical simulation on the non-constant flow in the approach channel under different operation conditions during water filling and water drainage of the double-line ship lock to obtain water level fluctuation change, water surface flow velocity and flow state change rules in the approach channel. According to the analysis method, the complexity of the approach channel water flow condition is comprehensively considered, the water flow change rule in the approach channel in the ship lock irrigation and drainage process can be obtained, the calculation result is more objective, and reference data can be provided for hub engineering design.

The invention relates to the field of ship locks, in particular to a method for analyzing water pressure characteristics of a before-valve gallery of a water delivery valve, which comprises the following steps of: constructing a model through a similarity principle, carrying out two-way pressure bearing through a flat plate type valve, arranging a pressure sensor on the model and detecting sections which are arranged according to 0.5, 1, 1.5, 2... times of the height of a before-valve horizontal gallery section, and non-constant flowing water characteristics and cavitation characteristics during operation of the valve are detected, and the optimal length of the horizontal gallery section in front of the valve is comprehensively selected based on a detection analysis result and construction cost to correct the original design, so that the water flow in front of the valve is regulated smoothly, the flow velocity distribution is uniform, and the impact on the valve is reduced.

The invention relates to the technical field of ship lock automatic control, in particular to a ship lock miter gate automatic control method based on water flow pulsating pressure, and the method comprises the steps: judging the current working condition of a ship lock miter gate, and obtaining the initial control strategy of the current working condition of the ship lock miter gate; processing to obtain an abnormal state evaluation value of the ship lock miter gate control equipment; comprehensive performance evaluation indexes of the ship lock miter gate are obtained through comprehensive analysis; a ship lock bearing pressure evaluation threshold value is obtained through matching according to the ship lock miter gate comprehensive performance evaluation indexes, and feedback early warning is conducted on the ship lock miter gate comprehensive performance; according to the ship lock miter gate automatic control method based on the water flow pulsating pressure, a ship lock bearing pressure evaluation value is obtained through analysis, the ship lock bearing pressure evaluation value is compared with a ship lock bearing pressure evaluation threshold value, and a current working condition initial control strategy is adjusted according to a comparison result. Therefore, the operation quality and safety of the ship lock can be improved.

The invention discloses an analysis method and system for hydraulic performance of a double-line ship lock water delivery system. The analysis method comprises the following steps: establishing a hydraulic physical model of the water delivery system according to structural parameters of the double-line ship lock water delivery system; determining an operation mode of a ship lock water delivery system and a valve opening mode; simulating irrigation and drainage processes of a lock chamber of the double-line ship lock in an operation mode and a valve opening mode, and testing to obtain ship mooring force, water delivery time, water delivery hydraulic characteristics, pressure characteristics, resistance coefficients, flow coefficients and water flow conditions of a water inlet and a water outlet; and analyzing the simulation result, judging whether the hydraulic performance of the water delivery system meets the design requirement or not, and if not, adjusting the structure of the water delivery system until the design requirement is met. According to the method, whether the hydraulic performance of the water delivery system meets the specification requirement or not is comprehensively and accurately analyzed, the design requirement is met, the safety of a ship in the lockage process is ensured, and the reasonability and effectiveness of the ship lock water delivery system in the technical, safety and economic aspects are ensured.

The invention belongs to the field of water transportation engineering, and particularly provides a double-line ship lock mutual charging and mutual discharging method for improving the water saving rate, which comprises the following steps that two adjacent line ship locks are respectively a downlink ship lock and an uplink ship lock, and double-line synchronous gate entering is carried out; water in the lock chamber of the downstream ship lock is discharged to the lock chamber of the upstream ship lock until the water level of the lock chamber of the downstream ship lock is flush with the downstream approach channel, and at the moment, the water level of the lock chamber of the upstream ship lock is flush with the water level of the upstream approach channel; double-wire synchronous gate-out is carried out; after the lockage is completed, the double-wire function is automatically switched; and the new round of ship enters according to the switched route, and the operation is repeated. According to the method, the water-saving rate of the ship lock is further improved on the premise that the structural complexity, the maintenance difficulty and the economic cost are not increased.

The invention discloses a ship lockage risk processing method, device, system and equipment and a medium. The method comprises the steps that first information and second information are obtained; the first information can reflect related information sensed by the shore side; the second information can reflect relevant information sensed by the ship side; determining a first risk value and a second risk value according to the first information and the second information; the first risk value indicates the collision risk degree of the ship and a ship lock chamber, and the second risk value indicates the collision risk degree of the ship and a reference ship; the reference ship is different from the ship, and the reference ship and the ship are located in the same ship lock chamber; determining a collision risk identification result according to the first risk value and the second risk value; and controlling the ship according to the collision risk identification result. According to the invention, through fusing the collision risk degrees between the ship and other ships and between the ship and the lock chamber, collaborative risk judgment of the ship lock and the ship is realized, and the accuracy of a ship lockage collision risk judgment result is improved.

The invention discloses a ship lock water delivery system work overhaul valve well gate groove one-time forming method, and relates to the technical field of inland river ship lock construction. Comprising the following steps: step 1, mounting a working overhaul valve well bottom sill water stop mechanism; step 2, installing a built-in truss embedded part in the work overhaul valve well; 3, well bottom high-slump second-grade low-heat concrete pouring of the work overhaul valve is carried out; 4, a lintel water stop mechanism in the work overhaul valve well is installed; 5, a truss mechanism is installed in the work overhaul valve well; 6, a door groove embedded part of the work overhaul valve well is installed; 7, high-slump second-level low-heat concrete pouring is conducted on the work overhaul valve well and the lock head body; and 8, the step 5 to the step 7 are cycled until the concrete is poured to the designed crest elevation of the lock head. According to the invention, one-step forming of the work overhaul valve well gate groove of the water delivery system is realized, and the problems of narrow internal space of the overhaul valve well, high secondary concrete construction difficulty and low construction efficiency are solved.

The invention discloses a multi-stage ship lock drainage and navigation multiplexing system and an operation method thereof. The system comprises a first-stage ship lock chamber section located on the upstream, a last-stage ship lock chamber section located on the downstream and a plurality of middle-stage ship lock chamber sections located between the first-stage ship lock chamber section and the last-stage ship lock chamber section. Each stage of ship lock chamber section is composed of a lock chamber bottom plate and ship lock walls arranged on the two sides of the lock chamber bottom plate. A water conveying gallery is arranged in the lock wall of the ship lock, and the middle of the water conveying gallery communicates with a branch gallery arranged in a lock chamber bottom plate through a T-shaped pipe. A plurality of water outlet holes are formed in the tops of the branch galleries; an energy dissipation pier group formed by a plurality of energy dissipation piers is arranged at the water outlet hole in the lock chamber bottom plate; and a flip bucket is arranged at the downstream end of each stage of lock chamber section of the ship lock. According to the multi-stage ship lock collaborative continuous energy dissipation scheme, the effects of improving the space utilization rate, saving the land area and reducing the construction cost are achieved.

The invention discloses a manufacturing method of a triangular gate of a navigation channel ship lock, and relates to the technical field of manufacturing processes, and the manufacturing method comprises the following steps: S1, selecting a material, and detecting the quality, appearance and size of the raw material; s2, blanking is conducted, specifically, construction drawings and technical specifications are familiar, the blanking size precision is controlled, blanking is conducted through a laser cutting method, programming is conducted based on a numerical control laser cutting machine and matched with CAD / CAM software, and the selected materials are put into the numerical control laser cutting machine to be cut; and S3, a jig frame is manufactured, and vertical supporting columns are welded through I-shaped steel and fixed through expansion bolts. In the manufacturing process, the precision is strictly controlled, reasonable welding deformation control measures are adopted, the good effect is achieved, in the aspect of precision control, the blanking size deviation is controlled within the extremely small range, the form and location tolerances of part machining all meet the design requirements, the symmetrical welding and segmented skip welding method is adopted, and the machining precision is greatly improved. And the welding deformation of the gate leaf is effectively controlled.

The present invention relates to the field of canal design and testing, and specifically discloses a numerical simulation method for the impact force of water flow on mooring piers under high-speed water flow, comprising: establishing a three-dimensional hub model based on the existing oblique intersection of the overflow weir outlet channel and the navigation channel under the ship lock; using three-dimensional simulation software to establish a water flow mathematical model based on the established three-dimensional hub model; using water level and flow velocity distribution data measured from the physical model of the hub where the mooring pier is located to identify and verify the water flow mathematical model, thereby obtaining an identified and verified water flow mathematical model; based on a fluid-solid coupling mathematical model, using the verified water flow mathematical model to perform fluid-solid coupling simulation under high-speed water flow, thereby obtaining a result of the water flow impact force on the mooring pier. The water flow impact force result obtained by the method of the present invention can improve the efficiency and accuracy of the water flow impact force simulation, can evaluate the structural stability of the mooring pier based on the water flow impact force on the mooring pier, and guide the design of the mooring pier, thereby ensuring the safety performance of the mooring pier during flood diversion.

A floating bridge structure, characterized in that the floating bridge structure comprises: a main bridge section above a waterway, an approach bridge section connecting the end of the main bridge section to the land, and a ship lock in the middle of the waterway and below the main bridge section; wherein the main bridge section comprises a plurality of first support structures arranged at intervals along the width direction of the waterway, and a floating box support platform having a first box girder arranged on top of the plurality of first support structures; wherein the approach bridge section comprises a second support structure arranged along the width direction of the waterway and a second box girder arranged on top of the second support structure;wherein the ends of the first box girder and the second box girder are connected to each other and the bridge deck is laid on top of the first box girder and the second box girder;wherein the ship lock is located between the first support structures on either side of the symmetrical center of the main bridge section;a first anchoring component and a second anchoring component distributed under the main bridge section and used to anchor the main bridge section and the ship lock;

The application discloses a redundant measurement value transmitting method for a single measuring point water level gauge of a ship lock chamber. The method comprises the following steps: simultaneously detecting the water level of a certain measuring point in the ship lock chamber by N water level gauges, obtaining multiple water level detection values of the measuring point at a certain time; determining a water level deviation threshold G2 of the measuring point and a detection value deviation threshold G3 of the multiple water level gauges according to a ship lock chamber water level change threshold G1 and a water level gauge detection range R; comparing the multiple water level detection values Vn of a certain measuring point with the determined water level deviation threshold G2 of the measuring point; performing difference value operation on the obtained reasonable water level detection value Vm; selecting N1 water level detection values as the water level detection basic data of the measuring point, performing secondary processing, and obtaining the water level detection effective value Ve of the measuring point. The application discloses a redundant measurement value transmitting method for a single measuring point water level gauge of a ship lock chamber. The ship lock single measuring point adopts multiple water level sensors for redundant detection, voting verification, error processing and detection value transmission of multiple detection values, and reliable and stable water level data is provided for the system.

This invention relates to the field of water conservancy engineering construction technology, and discloses a method and system for controlling blasting vibration during lock excavation. By collecting information on the geological hardness of rock strata and the distance to surrounding buildings, and combining this with finite element analysis to simulate the blasting energy distribution, a dynamic matching mechanism for borehole depth and charge quantity is constructed. This method overcomes the limitations of traditional empirical parameter settings and uses iterative simulation and optimization algorithms to achieve coordinated adjustment of borehole depth and charge quantity. For example, in areas with high rock hardness, by increasing the borehole depth and matching a segmented charge strategy, the blasting energy is uniformly released in the deep rock mass, effectively reducing the peak ground vibration and avoiding structural damage to adjacent buildings. Furthermore, by introducing multi-dimensional data analysis and multi-scenario simulation verification mechanisms, it can flexibly cope with complex working conditions such as uneven rock hardness, topographical undulations, adjacent water bodies, or dense building clusters.

The invention discloses a ship lock intelligent full-automatic operation method and system based on the Internet of Things, and relates to the technical field of water conservancy traffic, and the ship lock intelligent full-automatic operation method based on the Internet of Things comprises the steps of data collection, state analysis, dynamic decision making and remote optimization. By integrating the Internet of Things technology, the intelligent scheduling algorithm and the high-precision hydraulic synchronous calibration unit, full-automatic operation of the ship lock is achieved, and the operation efficiency and safety of a port are remarkably improved. The method ensures that ship berthing in the lock chamber meets the requirements of structural safety and navigation rules, effectively avoids the risk of intensive berthing, has important significance in the aspects of improving port operation efficiency, optimizing resource allocation, guaranteeing navigation safety and the like, and solves the problems of low efficiency and slow response caused by the fact that a traditional ship lock depends on manual operation. The method has the advantages of high reliability, low delay and expandability, and is suitable for inland river shipping and hydro-junction scenes.

The invention discloses abrasion-resistant solid waste-based concrete for a canal lock gallery and a preparation method of the abrasion-resistant solid waste-based concrete, and relates to the field of hydraulic construction materials.According to the abrasion-resistant solid waste-based concrete for the canal lock gallery, natural aggregate and part of cement are replaced with solid waste, consumption of natural gravel and cement is greatly reduced, the hydration temperature rise and the cracking risk are reduced, and the service life of the concrete is prolonged; and regenerated steel fibers and nano-silica are added, the regenerated steel fibers construct a three-dimensional support network, and the nano-silica optimizes pore and interface bonding, so that densification of the microstructure of the concrete is realized, the abrasion resistance is improved, solid waste recycling is realized, and the concrete has both environmental benefits and engineering values.

The invention belongs to the technical field of navigation ship lock hydraulic structures, and particularly relates to a water-saving ship lock based on deformation cavity driving and a water filling and draining method.The water-saving ship lock comprises a lock chamber and water conveying systems, the water conveying systems are arranged at the bottoms of lock walls on the two sides of the lock chamber, and each water conveying system comprises a water storage pond, an expandable cavity unit and a gas compression device; a water delivery gallery is arranged between the water storage pond and the lock chamber, a plurality of expandable cavity units are arranged in the water storage pond, and each expandable cavity unit is connected with the gas compression device through an inflation and deflation pipeline. The interior of the cavity unit is inflated or deflated through the gas compression device, the volume of water in the water storage pond is dynamically adjusted, and therefore efficient water conveying between the lock chamber and the water storage pond is achieved. Compared with a traditional water-saving ship lock, the ship lock has the following remarkable advantages of zero water consumption, high water delivery speed, stable water delivery process, excellent water flow condition of an approach channel and the like.

The invention belongs to the field of gate equipment, and particularly provides a giant gate power generation and water pumping device and an operation method.The giant gate power generation and water pumping device comprises a power generation layer arranged on the lower portion of a gate, the power generation layer comprises a plurality of power generation cavities, flow passing mechanisms are arranged in the power generation cavities and comprise flow channel pipes, and flow channel gates are arranged on the inlet sections and the outlet sections of the flow channel pipes; and a power generation water pump device is arranged in the flow channel pipe. The device can generate electricity in the process that the multi-stage ship lock balances the water level elevation of each bin position, kinetic energy and potential energy of water are fully utilized, and economic benefits are improved.

The invention relates to a solid-liquid separation device for dredging mud in a ship lock approach channel, and belongs to the field of solid-liquid separation devices. The device comprises a separation box for the desilting machine and a feeding hopper arranged at the top of the separation box for the desilting machine. A coarse separation unit is arranged below the feeding hopper, and a fine separation unit is arranged at the bottom of the separation box for the dredging machine. The fine separation unit comprises a filter screen cylinder and two extrusion filter cylinders; semi-arc grooves are uniformly formed in the bottom of the separation box for the dredging machine; the filter screen cylinder is rotationally arranged in the semi-arc groove; the two extrusion filter cylinders are fixedly arranged on the two sides of the separation box for the dredging machine correspondingly and rotationally connected with the two ends of the filter screen cylinder correspondingly. A discharge hole is formed in one end, deviating from the filter screen cylinder, of the extrusion filter cylinder; a sealing unit is arranged at the discharge hole; the sealing unit is used for opening or closing the discharge hole; the filter screen cylinder is communicated with the two corresponding extrusion filter cylinders, and a working space is formed; a filter pressing unit is arranged in the working space in a sliding manner; the solid-liquid separation device has the technical effects of the solid-liquid separation device for ship lock approach channel dredging mud.

The invention relates to the technical field of water conservancy projects, and discloses a canal hub ship lock fish passing facility which comprises a ship lock body structure, a mounting base is fixedly connected to the downstream side of the ship lock body structure, and a fish passing mechanism is integrated on the outer wall of the mounting base in a welding mode. The fish passing mechanism comprises a rotating vortex induction channel and an air bag suspension type fish passing platform, and an energy conversion fishway is arranged on the inner wall of the ship lock body structure. And the turbulent flow characteristics of the natural stream can be accurately simulated through the rotating vortex induction channel. The water flow sensor monitors the flow speed in real time, the edge calculation terminal accurately controls the rotating speed and the inclination angle of the rotatable guide vanes according to a fish flow taxis model and algorithm, vortex with the specific diameter and flow speed distribution is formed, fishes are attracted to enter a channel in the tangential direction, and the success rate that the fishes are guided to pass through a ship lock downstream inlet is increased; the problem that the ship lock hinders fish migration is effectively solved.

The invention relates to the technical field of water transportation engineering, in particular to a method and system for analyzing the influence of water transportation engineering construction on the ecological integrity of a river corridor. Comprising the steps that monitoring equipment is deployed to collect hydrodynamic parameters and ecological data of a river gallery, the influence of water transportation engineering on a river gallery ecological system is evaluated based on the collected data, and the method further comprises the steps that composite hydrodynamic disturbance generated by ship navigation and ship lock dispatching is analyzed and quantified through multi-mode interference coupling; establishing a vegetative level transfer model of benthic organisms and planktons to evaluate a cascade effect of disturbance; a dynamic ecological integrity index is calculated in combination with the composite hydrodynamic disturbance and the cascade effect, and a space-time dynamic evaluation result of the ecological integrity of the river gallery is output according to the dynamic ecological integrity index; according to the method, the ecological integrity of the river gallery can be scientifically evaluated.

The utility model belongs to the field of ship lock runner water retaining equipment, and particularly provides a water retaining guide vane device which comprises a guide vane frame arranged at the tail of a runner, the runner comprises a plurality of branch runners, the tails of the branch runners converge to form a converging runner, the guide vane frame is arranged in the converging runner, the guide vane frame is arranged on the upstream of a power generation device, and the power generation device is arranged in the converging runner. A guide vane mechanism is arranged on the guide vane frame, the guide vane mechanism comprises a plurality of guide vane shafts arranged in the guide vane frame, guide vane blades are arranged on the guide vane shafts, and the guide vane shafts are driven by a driving mechanism. The device is favorable for adjusting or temporarily closing the inflow water flow of the power generation device in the runner, protects the power generator and is convenient to overhaul.