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101results about "Dry-docks" patented technology

Multistage ship lock drainage and navigation multiplexing system and operation method thereof

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.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD +1

A detachable ship lock chamber structure and method

PendingCN122215336AArtificial islandsDry-docks
The application discloses a detachable ship lock chamber structure in the field of ship locks, which comprises a bearing assembly arranged on a foundation to bear vertical water pressure in a lock chamber and prevent water in the lock chamber from penetrating into the foundation, a side bearing assembly arranged on both sides of the bearing assembly to bear horizontal water pressure in the lock chamber and prevent water in the lock chamber from flowing out from the side, and a side wall supporting assembly detachably arranged on the side bearing assembly through a pin shaft structure, and a method for expansion; the application has the beneficial effects that the side wall supporting assembly is connected with the side wall supporting assembly through the mortise and tenon structure, the side wall supporting assembly is more modular, the side wall supporting assembly is more conducive to expansion of an existing lock chamber, the expansion efficiency is higher, and the influence on navigation is smaller.
Owner:GUANGXI UNIV

Automatic grabbing beam for floating bollard of ship lock

The utility model discloses an automatic grabbing beam for a ship lock floating bollard, which comprises a grabbing beam body and a grabbing beam column welded at the top of the floating bollard, and the grabbing beam body can be hung on a crane lifting hook and can ascend and descend along the extension direction of a guide groove of the floating bollard. A locking channel for the beam grabbing column to pass through is arranged on the beam grabbing body, a locking component capable of locking the beam grabbing column is arranged on the beam grabbing body, and the locking component can lock the beam grabbing column with the upper end penetrating through the locking channel on the beam grabbing body. The automatic grabbing beam is formed by combining a split structure of the grabbing beam body and the grabbing beam column, the grabbing beam body can automatically lock the grabbing beam column which is inserted into the grabbing beam body and fixed to the floating bollard, the automatic grabbing beam is specially designed for the floating bollard, stress is balanced, deformation of the floating bollard cannot be caused, and the automatic grabbing beam is convenient to use. When the floating bollard is grabbed, a person does not need to drive a ship into a ship lock chamber to assist the hook in hanging the floating bollard, convenience, high efficiency, safety and reliability are achieved, and the labor amount is reduced.
Owner:ANHUI YIXING CHANGJI INTELLIGENT TECHNOLOGY CO LTD +1

A system and method for towing a ship through a ship lift

ActiveCN115852925BDry-docksVertical ship-liftingMarine engineeringControl system
The application belongs to the technical field of ship traction, and particularly discloses a system and method for traction of a ship by a ship lift. The system comprises electric push wheels, a ship lift module, upstream and downstream navigation walls, an electric push wheel and ship fast connection device, and a remote centralized control system. The electric push wheels are provided with two push wheels and a propulsion system integrated on the push wheels. The ship lift module is provided with a first guide device and a braking system. The upstream and downstream navigation walls are provided with a second guide device and a lifting system. The electric push wheel and ship fast connection device comprises a matching connection male head and a connection female head. The application can greatly improve the operation safety and efficiency of the ship lift. Through the traction of the electric push wheels, the ship can reduce exhaust and noise pollution when passing through the ship lift, and can save the operation cost of the ship owner. The traction system is simple to operate and maintain, and the navigation operation guarantee rate of the ship lift is improved.
Owner:THREE GORNAVIGATION AUTHORITY

Triangular gate anti-collision plate

The utility model belongs to the technical field of triangular gates, and discloses a triangular gate anti-collision plate which comprises a fixed plate body and a movable plate body which are arranged in parallel, elastic buffer rods which are evenly distributed are connected between the fixed plate body and the movable plate body, and a buffer strip is arranged at the position, close to the edge, of one side, close to the movable plate body, of the fixed plate body. Buffering assemblies arranged at equal intervals are arranged on the side, away from the fixed plate body, of the movable plate body, when a ship collides with the movable plate body, the movable plate body can move for buffering, impact force is buffered through elastic buffering rods, the elastic buffering rods can protect buffering springs, and the buffering effect is improved. The buffer springs are prevented from being corroded to affect the service life, when non-front-face collision occurs, the rotating cylinders can rotate to release force, buffering is conducted through deformation of the rotating cylinders and the fixing blocks, meanwhile, the movable plate body displaces, buffering is conducted through the elastic buffer rods, and the anti-collision effect can be greatly improved.
Owner:GUANGDONG BUILDING MASCH FACTORY +1

Ship lock floating type mooring ring track lifting equipment

The invention discloses ship lock floating type mooring ring rail lifting equipment which comprises a fixed support and a manned hanging basket. The fixing support is used for being erected on the top of a ship lock floating type mooring ring rail, a lifting driving assembly is arranged on the fixing support, and the movable end of the lifting driving assembly is connected with the manned hanging basket. Sliding pieces are arranged on the two opposite sides of the manned hanging basket and used for being in sliding connection with the ship lock floating type mooring ring rail. The fixing support is fixed to the top of the ship lock floating type mooring ring rail, and then the lifting driving assembly controls the manned hanging basket to ascend and descend along the ship lock floating type mooring ring rail; when the ship lock floating type mooring ring is maintained, an operator only needs to take the manned hanging basket to move downwards to the position where the ship lock floating type mooring ring is located for maintenance operation, by means of the manned hanging basket, vertical movement is convenient, the falling situation is not prone to occurring, and safety and operation efficiency of maintenance operation of the ship lock floating type mooring ring are improved.
Owner:STATE GRID FUJIAN ELECTRIC POWER CO LTD +1

Automatic adjusting device and method for back pull rod of miter gate of electric ship lock

The invention provides an automatic adjusting device and method for a back pull rod of an electric ship lock miter gate, and the device comprises a power drive unit which is used for being connected with the back pull rod in a matched manner and providing power for adjusting the prestress of the back pull rod; the stress monitoring unit is used for monitoring the stress change of the back pull rod in real time; the control unit is simultaneously connected with the stress monitoring unit and the power driving unit and is used for controlling the operation of the power driving unit according to data fed back by the stress monitoring unit so as to automatically adjust the prestress of the back pull rod; and the connecting assembly is used for connecting and mounting the power driving unit, the stress monitoring unit and the control unit with the back pull rod. The prestress of the back pull rod can be automatically and accurately adjusted, the stress state of the back pull rod is monitored in real time, the adjusting efficiency and precision are improved, the labor intensity is reduced, and safe and stable operation of the ship lock miter gate is ensured.
Owner:CHINA THREE GORGES UNIV

Large-volume air entraining concrete for ship lock and pouring, vibrating and exhausting method

The invention discloses ship lock large-volume air-entraining concrete and a pouring vibration exhaust method, and belongs to the technical field of concrete.The ship lock large-volume air-entraining concrete is prepared from 130-160 kg / m < 3 > of cement, 50-70 kg / m < 3 > of fly ash, 50-70 kg / m < 3 > of mineral powder, 600-750 kg / m < 3 > of sand, 1300-1500 kg / m < 3 > of gravel, 3-5 kg / m < 3 > of a water reducing agent, 90-130 kg / m < 3 > of water and 3-4 kg / m < 3 > of an air-entraining anti-cracking agent according to the mixing proportion; a nano-scale super absorbent material is adopted as an air-entraining anti-cracking agent, internal humidity is maintained and a temperature peak value is reduced through water absorption and slow water release, and corresponding nano micropores are reserved in a microstructure through water release and polymer shrinkage, so that the effects of enhancing mechanical properties and resisting cracking after air entraining are achieved.
Owner:CCCC FOURTH HARBOR ENG INST CO LTD +1

Control method of high-water-head multi-stage ship lock valve

The invention discloses a control method for a high-water-head multi-stage ship lock valve. The control method comprises the steps that locking signals triggered by the closing state of lock valves of a lock head, an upstream lock head and a downstream lock head of a ship lock respectively are collected; in response to the situation that locking signals of the lock head, the upstream lock head and the downstream lock head are all collected, a valve opening instruction is issued to open a valve of the lock head, and a water conveying process is started; in the water conveying process, if it is detected that the valve of the lock head is not located at the final closing position and any locking signal is lost, an emergency valve closing instruction is issued; in the valve closing process, the pressurization valve closing stage is executed; and when it is detected that the valve reaches the preset lower sliding position, the self-weight valve closing stage is switched to till the valve is closed to the closing end position. Safety and reliability of operation of ship lock equipment are improved, and powerful technical guarantee is provided for safe and efficient operation of the high-water-head multi-stage ship lock.
Owner:HARBIN ENG UNIV +1

Ship lock water delivery system work overhauling valve well slot one-time forming auxiliary system

The utility model relates to the technical field of inland river ship lock construction, concretely relates to ship lock water delivery system work overhauls valve well door slot one -off forming auxiliary system. Including being located in the built -in truss of work overhauls valve well, water stop mechanism and being located in the door slot embedded part in lock head pier, the built -in truss includes truss bottom embedded part, truss vertical pole, truss horizontal pole piece, truss inclined strut piece, the door slot embedded part includes side rail, main rail, reverse rail, three are all buried in lock head pier, and are connected into a whole through steel gasket and truss vertical pole, water stop mechanism includes bottom sill water stop mechanism, door jamb water stop mechanism, bottom sill water stop mechanism is located below water delivery corridor, is connected in main rail terminal, door jamb water stop mechanism is located above water delivery corridor, and both ends are connected with main rail. The utility model realizes water delivery system work overhauls valve well door slot one -off forming, solves the problem that the inside space of overhauls valve well is narrow, and the difficulty of second -stage concrete construction is big, and the construction efficiency is low.
Owner:NO 3 ENG COMPANY LTD OF CCCC FIRST HARBOR ENG COMPANY +1

Ship lock mooring buoy jamming monitoring device

The utility model discloses a ship lock mooring buoy jamming monitoring device which comprises a ship lock mooring buoy assembly, a floater monitoring structure is embedded in the ship lock mooring buoy assembly, a mooring structure is rotationally connected to the ship lock mooring buoy assembly, the ship lock mooring buoy assembly comprises a gate valve chamber body, a sliding groove is formed in the gate valve chamber body, and the floater monitoring structure and the mooring structure are arranged in the sliding groove. The ship lock mooring buoy jamming monitoring device comprises a buoy body, a first connecting rod, a second connecting rod and a first pressure sensor, a sliding groove is formed in the buoy body, a guide rail pulley is slidably connected into the sliding groove, a mooring buoy body and a limiting plate are fixed to the guide rail pulley, and the limiting plate is located on the upper side of the mooring buoy body. The inner wall of the protection pipe is subjected to high-pressure flushing through the flushing part, and therefore the situation that impurities adhere to suspension, normal movement of the floater body is affected, the accuracy of the monitoring device is affected, accidents occur in serious situations, and irreparable losses are caused is avoided.
Owner:SICHUAN PROVINCE JIALINGJIANGJINXIHANGDIAN DEV CO LTD

Construction method for building ship lock mass concrete structure through bridge demolition component

The invention discloses a construction method for building a ship lock mass concrete structure through bridge demolition components, and relates to the technical field of civil engineering. The method comprises the following steps: screening a concrete T beam or a concrete cover beam in bridge demolition as a precast block, carrying out lossless cutting and hoisting to a pretreatment field, and carrying out zoning, grading and directional scabbling treatment on a contact interface of a component and post-poured concrete, so that a friction gradient is formed on the interface, and the component realizes self-stabilization through friction in the early stage of construction. And then the concrete is poured layer by layer, so that deformation coordination of the new and old concrete is realized in the hardening and temperature deformation stages of the concrete to form an integral ship lock structure. According to the construction method, cooperative work of the prefabricated component and mass concrete is achieved through interface behavior regulation and control, the construction process is simplified, the temperature control anti-cracking performance is improved, and the high-valued utilization level of the bridge demolition component in a hydraulic structure is improved. Meanwhile, resource utilization of the construction waste is achieved, and new material consumption and engineering cost are effectively reduced.
Owner:GUANGXI UNIV

Design method for hydraulic buffering and blocking of sinking and floating type ship lock

The invention discloses a design method for hydraulic buffering and blocking of a sinking and floating type ship lock, and relates to the technical field of ship locks, which comprises the following steps: step 1, after a lock chamber of the ship lock is filled with water, automatic sinking and floating equipment for buffering and blocking drives a supporting and guiding assembly to float to a working position; 2, the ship drives into a designated position of a lock chamber, and after a mooring line is stopped, the ship is stopped to pass through the lock; and 3, if the stalling condition occurs in the process that the ship drives into the lock chamber, the ship operation is out of control, the ship rushes to the steel wire rope blocking assembly, and the steel wire rope blocking assembly generates displacement under the impact of the stalled ship. Kinetic energy of a stalling ship in the ship lock is converted into blocking resistance of the steel wire rope assembly, then the blocking resistance is transmitted to the hydraulic buffering blocking energy dissipation assembly and converted into pressure energy and heat energy of fluid, and a blocking anti-collision method capable of ensuring safe and normal operation of the ship lock chamber service gate is provided for the ship lock chamber service gate.
Owner:CHINA WATER NORTHEASTERN INVESTIGATION DESIGN & RES

Supporting rod for assisting in supporting ruler of ship lock

The utility model relates to the technical field of auxiliary equipment of water traffic facilities, in particular to a supporting rod for assisting in supporting a ruler for a ship lock, which comprises a bearing disc, an anti-skid pad is mounted in the middle of the upper end face of the bearing disc, and a plurality of groups of square groove mounting seats are uniformly mounted on the bearing disc around the anti-skid pad in a whole row; a hinge is mounted at one end of the top of the square groove mounting base, a movable plate is further mounted on the hinge, a handle is mounted on the top face of the end, away from the hinge, of the movable plate, and a connecting cylinder is rotationally clamped to the middle of the lower end face of the bearing disc; the switch assembly is arranged on the first supporting rod, and the switch assembly is used for locking the first supporting rod; the fixing assembly is arranged at the bottom end of the supporting rod body and used for adjusting the length of the first supporting rod body, and the supporting rod for the auxiliary ruler supporting of the ship lock aims at solving the problems that the length of the supporting rod for the auxiliary ruler supporting of the ship lock cannot be adjusted, stability is insufficient, and operation is inconvenient.
Owner:JIANGSU TAIZHOU RIVER DIVERSION MANAGEMENT OFFICE

Concrete bottom plate water stop method based on stress optimization and deformation control of construction joint

The present application belongs to the technical field of concrete construction, and particularly relates to a concrete bottom plate water stop method based on stress optimization and deformation control of construction joints, comprising the following steps: step S1, performing cast-in-place pile measurement and lofting at both ends of the construction joint; step S2, after the cast-in-place pile construction is completed and reaches the design strength, chiseling the pile head of the cast-in-place pile, and excavating between the two cast-in-place piles to form a foundation pit groove corresponding to the construction joint; step S3, pouring concrete with the foundation pit groove as a pouring formwork, and the upper surface elevation of the support beam and the lower surface elevation of the concrete bottom plate being at the same level; and step S4, pouring the concrete bottom plate. Through the "pile-beam" rigid support system, the differential settlement between adjacent bottom plates is actively constrained and eliminated, the core problem of shear damage of the water stop in the traditional technology caused by the settlement difference is solved from the root, and a leap from "passive deformation adaptation" to "active deformation control" is realized.
Owner:TONGJI UNIV

A method of passing a ship through a lock

The present application provides a ship lock method, which combines multiple ships in an array, connects through combined array towboats, forms a ship tow array, and then performs overall high-efficiency towing through the lock; changes the existing low-efficiency lock method of entering, moving, and exiting each lock chamber one by one, greatly improves the lock efficiency without changing the structure of the ship lock, uses the control terminal to control the multiple combined array towboats to tow the ship tow array, improves the automation and intelligence of the lock, and realizes accurate control of the output power and rotation angle of the full-rotation rudder of each combined array towboat; and has the advantages of simple structure, low maintenance cost, short maintenance time, low difficulty, and no influence on the overall lock efficiency of the ship tow array.
Owner:WUHAN DELTA DINGKU TECH CO LTD

Self-adjusting buoy guiding and multi-layer cable tying supporting structure

The invention relates to the technical field of floating structures and hydraulic equipment, and discloses a self-adjusting buoy guiding and multi-layer mooring line supporting structure which comprises a buoy, a first supporting frame and N bollard layers, and the first supporting frame and the bollard layers are arranged on the buoy; the N bollard layers are connected with the first supporting frame and are arranged on one side of the first supporting frame; each bollard layer comprises a bollard and a bollard cap arranged at the top end of the bollard, a fixing frame is arranged on the buoy, and the N bollard layers are arranged on the fixing frame in series; the N bollards are arranged at intervals in the circumferential direction of the fixing frame. Integrated optimization of guiding, force transmission and clamping stagnation prevention of the buoy can be achieved.
Owner:HOHAI UNIV

Water-saving pool structure for water-saving ship lock

The utility model relates to the technical field of water conservancy projects, in particular to a water-saving pool structure for a water-saving ship lock, which comprises a bottom lining, a side slope lining and a lock wall, the bottom lining is arranged at the bottom of a water-saving pool, the side slope lining is arranged on a mountain side slope, and the lock wall is oppositely arranged on the other side of the side slope lining. The two sides of the bottom face lining are connected with the side slope lining and the lock wall correspondingly, and the side slope lining and the lock wall are used for forming the side walls of the water saving pool. The slope lining and the lock wall are used as the pool wall structure of the water-saving pool, the mountain does not need to be deeply excavated to form the water-saving pool in the mountain during construction, the construction work amount of mountain excavation is reduced to a great extent, the construction efficiency is effectively improved, the construction cost is reduced, the topographic conditions of the mountain canyon are utilized, and the construction cost is reduced. The water-saving pool and the lock chamber structure are arranged in the limited space in the canyon in a unified and centralized mode, the occupied area of the water-saving pool and the ship lock is saved, space utilization is more reasonable, and the whole structure of the water-saving ship lock is more compact.
Owner:THE THIRD ENG CO LTD OF CCCC FOURTH HARBOR ENG

An asymmetric pull rod structure for ship lift lock head gate

The application discloses an asymmetric pull rod structure for a ship lift lock gate, and relates to the technical field of hydraulic engineering. The asymmetric pull rod structure comprises a Z-shaped outer flange plate, a Z-shaped inner flange plate lifting lug plate, a lower end plate, a special-shaped web plate, a locking plate, a locking support plate, a web plate reinforcing plate, a locking plate lateral reinforcing plate and an upper end plate.
Owner:CHINA POWER CONSRTUCTION GRP GUIYANG SURVEY & DESIGN INST CO LTD

Buoyancy tank leaning seat structure of dock gate

The invention relates to the technical field of dock gate buoyancy tank leaning seats, in particular to a dock gate buoyancy tank leaning seat structure which comprises a leaning seat main body arranged at the front end of a dock main body, the leaning seat main body is fixedly arranged at the front end of the dock main body, and a buoyancy tank dock gate is arranged in the leaning seat main body. The bottom of the front end of the dock body is provided with a buffering mechanism for buffering descending and closing of the buoyancy tank dock gate conveniently, and the bottom of the front end of the dock body is provided with a clamping and fixing mechanism for assisting the leaning seat body in clamping and fixing the bottom of the buoyancy tank dock gate conveniently. According to the dock gate buoyancy tank leaning seat structure, the buffer seat is arranged in the buffer groove formed in the bottom of the front end of the dock body in a lifting mode, the hinge blocks are arranged at the bottom of the buffer seat, the supporting arms and the hinge sliding seats are supported on the limiting sliding rods in a sliding mode, and meanwhile the left hinge sliding seat and the right hinge sliding seat are supported through the fixing blocks, the damping rods and the springs; therefore, supporting and buffering treatment can be provided for the bottom of the descending buoyancy tank dock gate.
Owner:CHINA STATE CONSTR HARBOR CONSTR

Deformation self-adaptive joint control construction method of cantilever steel formwork structure system

The application discloses a deformation self-adaptive joint control construction method of a cantilever steel formwork structure system, which is based on the stress and deformation mechanism of the cantilever steel formwork in the construction process, realizes the monitoring and self-adaptive joint control of the deformation of the formwork by establishing the linkage control relationship of the stress-deformation-verticality of the formwork, acquires the lateral pressure and the verticality change in the construction process in real time by arranging the monitoring devices of the lateral pressure and the verticality of the formwork along the height direction, constructs the coupling relationship curve of the two, compares the coupling relationship curve with a theoretical coupling curve, identifies the construction state according to the deviation interval, realizes the self-adaptive regulation and control in the allowable deviation control area, triggers the abnormal diagnosis and safety maintenance mechanism when the measured coupling relationship exceeds the allowable interval or presents an abnormal form, and reflects the fluidity and workability of the concrete along the height direction through the joint analysis of the lateral pressure gradient and the verticality change gradient, so that the adaptability of the pouring working condition is identified.
Owner:CCCC FOURTH HARBOR ENG CO LTD +1

Ship lock safety blocking device and method utilizing hydraulic oil cylinder to dissipate energy

The invention provides a ship lock safety blocking device and method for dissipating energy through a hydraulic oil cylinder. The device comprises lifting mechanisms symmetrically arranged on a lock top, an energy absorption oil cylinder mechanism, a steel wire rope steering mechanism and a steel wire rope guide mechanism arranged in a lock wall gate groove. The lifting mechanism is used for winding, unwinding and braking the steel wire rope; and the steel wire rope passes through the guide mechanism to form a barrier line after being redirected by the steering mechanism. When a ship collides with the steel wire rope, collision force drives the piston rod of the energy absorption oil cylinder to stretch out, kinetic energy of the ship is converted into heat energy by compressing hydraulic oil, and stable buffering and efficient energy dissipation are achieved. The device is simple in structure, convenient to maintain and capable of adapting to water level changes and effectively absorbing high-impact kinetic energy, the reliability and performance of ship lock safety barrier are remarkably improved, and the technical problems that in an existing technical scheme, a barrier device is complex in structure, troublesome to overhaul and maintain, insufficient in barrier performance and the like can be solved.
Owner:CHANGJIANG SURVEY PLANNING DESIGN & RES CO LTD

A ship lock automatic control system and method based on parallel theory

A ship lock automatic control system and method based on parallel theory, the system comprises a parallel ship lock operation management and control integrated platform, a ship lock operation process parallel control model, a ship lock operation process parallel control algorithm module, a ship lock passing process parallel control model, a ship lock passing process parallel management algorithm module, a time-based ship lock parallel management and control database, a ship lock equipment state monitoring module, a ship lock passing plan monitoring module, a passing ship state monitoring module, and a lock chamber water level monitoring module. The purpose of the present application is to solve the technical problems of high risk of ship lock operation and passing safety and low efficiency, which are caused by the fact that the existing ship lock operation and passing are analyzed by manually combining video monitoring information, voice interaction information and PLC information to obtain corresponding decisions and output instructions.
Owner:THREE GORNAVIGATION AUTHORITY

Low head zero water consumption ship lock with multi-stage air storage tank and operating method

ActiveCN117822537BDry-docks
This invention relates to the field of lock structure technology in water transport engineering, specifically to a low-to-medium head lock with multi-stage air storage tanks and its operation method. It includes a chamber, multiple sets of air storage structures, a high-pressure air pump, and a third pipeline. The chamber includes an air storage tank and a water-air exchange tank. The air storage tank is connected to the water-air exchange tank via a controllable connecting pipeline. The water-air exchange tank is connected to the lock chamber via a pipeline. Control valves are installed on the pipeline. Each set of air storage structures includes a first branch pipe, an air storage tank, and a second branch pipe. The inlet and outlet of the air storage tank are connected to the first and second branch pipes, respectively. The high-pressure air pump is connected to all the first branch pipes, and is also connected to the first and second pipelines. The first pipeline connects the high-pressure air pump and the air storage tank. The second pipeline connects the high-pressure air pump and the water-air exchange tank. The third pipeline connects all the second branch pipes and the water-air exchange tank. The lock structure of this application is simple, has extremely low equipment requirements, and consumes zero water.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD +1

A ship lock cushioning device

A ship lock passage buffer device includes a buffer chute disposed within the main body of the device and opening to the right. At least one buffer block is slidably disposed within the buffer chute. Each buffer block has through holes on both sides. Two sections of a conveyor belt from a second belt conveyor mechanism pass through the two sets of through holes and are held or released by limiting components within the through holes. The second belt conveyor mechanism is driven by a transmission assembly. This invention provides a ship lock passage buffer device that can achieve effective buffering.
Owner:THREE GORNAVIGATION AUTHORITY

A method and device for assisting two-way fish passage in a water conservancy project with a ship lock or fish lock

The present application relates to the field of fish protection in hydraulic engineering, and in particular to a method and device for assisting two-way fish passage in hydraulic engineering with ship locks or fish locks. For hydraulic engineering with ship locks, the water injection mode of the scheduling gate and the jet device is used to induce fish to pass through the ship lock and communicate with the upstream and downstream; for hydraulic engineering with fish locks, the water injection mode of the scheduling jet device is used to improve the efficiency of river filling and the success rate of induction into the river. A jet device for inducing fish is provided to achieve the following beneficial effects: (1) helping hydraulic engineering with ship locks but without fish passage facilities to achieve two-way fish passage; (2) improving the fish passage and stocking efficiency of hydraulic engineering with fish locks; (3) the provided jet device forms a longitudinal fish-inducing water flow with a certain angle near the two side walls, so that the fish can move upstream close to the side wall.
Owner:NANJING HYDRAULIC RES INST

Intensive urban ecological navigation sluice convenient to overhaul

The intensive urban ecological navigation sluice convenient to overhaul comprises a sluice chamber unit, the side wall of the sluice chamber unit is a reinforced concrete bearing wall, and a traffic bridge is arranged at the top of the sluice chamber unit; a lock chamber bottom plate is arranged between the adjacent side walls, a flap gate driven by a bottom shaft is arranged on a weir body of the lock chamber bottom plate, and a blow-down pipe is arranged between the upstream and the downstream of the flap gate. A gate oil cylinder connected with the side wall is arranged on the downstream face of the flap gate, and a fender plate with the top face lower than the bottom face of the traffic bridge is arranged on the outer side of the gate oil cylinder. A maintenance plate is further arranged on the side wall of the lock chamber unit, the bottom of the maintenance plate is hinged to the side wall, and the maintenance plate has the storage state that the maintenance plate is attached to the side wall and the working state that the free end is in lap joint with the top of the fender plate. The system is ingenious in structure, small in occupied area and convenient to operate and maintain, the functions of water retaining, navigation, traffic and landscape are effectively integrated, independent structures are greatly reduced, space permeability is improved, and the ecological water level maintaining problem is ingeniously solved.
Owner:河南省水利勘测设计研究有限公司

Method for guiding ship lock to enter and exit

The invention discloses a ship lock entering and exiting guiding method, relates to the technical field of ship lock navigation assistance, and aims to solve the problem that an existing ship enters and exits a ship lock and is prone to collision due to lack of direction guidance. The device comprises a ship lock channel, a horizontal slide way and a lifting slide way which are arranged on the side wall of a ship lock dam body, a lifting traction block in the lifting slide way, a moving platform in the traction block and a light beam guiding assembly on the moving platform, and the lifting traction block and the moving platform can move along the lifting slide way and the horizontal slide way respectively. The ship lock dam body is further provided with a water curtain assembly used for manufacturing a bubble water curtain. According to the guiding method, efficient guiding is achieved through the steps of preparing, guiding, light adjusting, light following, guiding enhancing and lifting protection. Accurate and continuous direction guidance can be provided for ships entering and exiting the lock, the driving difficulty of sailors is reduced, the collision risk is reduced, and the navigation safety and efficiency of the lock are improved.
Owner:THREE GORNAVIGATION AUTHORITY

Ship lock structure and method for fast passing of ships in medium and small rivers through dam

The ship lock structure comprises a left concrete wall, a first ship passing channel, a hydraulic structure, a second ship passing channel and a right concrete wall which are sequentially arranged from left to right, and a first upper transverse pulling gate and a first lower transverse pulling gate are arranged on the upstream and the downstream of the first ship passing channel correspondingly; a first water inlet gate is arranged on the lower middle portion of the first upper transverse pull gate, a first water discharge gate is arranged on the lower middle portion of the first lower transverse pull gate, and a second upper transverse pull gate and a second lower transverse pull gate are arranged on the upstream and the downstream of the second ship passing channel respectively. A second water inlet gate is arranged on the lower middle portion of the second upper transverse pull gate, and a second water discharge gate is arranged on the lower middle portion of the second lower transverse pull gate. The ship lock is provided with the two ship passing channels, upstream side water drainage is conducted once, each ship passing channel can complete upstream and downstream passing of one ship, by means of the ship lock structure, excessive water loss of the upstream side can be effectively reduced, water resources are saved, meanwhile, the dam passing efficiency of ships is greatly improved, and the ship lock structure has the advantages of being convenient to adjust the water level and high in practicability. The applicability is high, and the maintenance cost is low.
Owner:HUANG HE SHUI LI WEI YUAN HUI HUANG HE JI XIE CHANG