192results about "Dry-docks" 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 relates to the technical field of hydraulic engineering control, and discloses a hoist opening degree stroke data processing method and system.The hoist opening degree stroke data processing method comprises the steps that in the valve closing process, two sets of real-time data of motor loads and valve displacement are continuously obtained; when continuous lifting exceeding background noise appears in the motor load data for the first time, marking the moment as an initial contact point; starting from the initial contact point, recording two groups of real-time data of motor load and valve displacement at a preset sampling frequency, and calculating a resistance change rate = delta load / delta displacement; the resistance change rate and a preset collision threshold value are compared to control opening and closing, motor load and valve displacement data are monitored in real time, and the resistance change rate is calculated, so that in the valve closing process, the contact point of the valve and a water seal or a foreign matter is accurately recognized, flexible compression and rigid collision are effectively distinguished according to the change trend of the resistance change rate, and the safety of the valve is improved. Misjudgment is avoided, and the safety and reliability of operation of the hoist are 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 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 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 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.

The application provides a ship lock prefabricated UHPC facing structure and a construction method. The ship lock prefabricated UHPC facing structure is assembled by a plurality of UHPC plate standard parts. The upper and lower ends of the UHPC plate standard parts are respectively provided with corresponding grooves and protrusions, which are used for vertical butt joint of the UHPC plate standard parts. The back surface of the UHPC plate standard part is symmetrically provided with two groups of connecting pieces distributed at the upper and lower edges, which are used for fixing the vertical butt joint of the UHPC plate standard parts. The back surface of the UHPC plate standard part is further provided with a plurality of anchor bars used for combination with cast-in-place concrete. By using the characteristics of high strength and corrosion resistance of UHPC concrete, the UHPC prefabricated plate is used for ship lock vertical concrete protection, which can greatly improve the resistance to ship impact and rubbing capacity and structural durability. In addition, the cost of the UHPC prefabricated plate is at least half of that of the steel plate facing, and the protection area of the UHPC prefabricated plate is larger than that of the steel guardwood protection, and the protection effect is ideal. Meanwhile, during the construction of the ship lock, the UHPC prefabricated plate can be used as a formwork at the same time, thereby reducing the amount of formwork, and the formwork does not need to be removed subsequently, and the construction process is simplified.

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.

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.

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.

The present application relates to the field of water transport equipment, and more particularly to a floating double-layer mooring column, comprising: a floating member; a first pile body installed on the top of the floating member, comprising a first support and a first pile column body installed on the first support; a second pile body movably installed on the top of the first pile body, comprising a second support hingedly connected to the top of the first support and a second pile column body installed on the second support; wherein the second support is arranged to be liftable. The present application effectively solves the problems existing in the prior art by arranging the second pile body to be liftable.

The utility model provides a gate capable of filling water in a hedging mode, which comprises a channel, the two sides of the middle of the channel are respectively of an inwards-concave structure, a door frame is fixedly arranged between the two inwards-concave structures, the bottom of the door frame is of a protruding structure facing the upstream, a gate body is rotatably connected in the door frame, and water level monitors are respectively arranged on the channel on the two sides of the gate body. A hydraulic hoist for controlling the gates to be opened and closed is arranged at the top of the channel, a control chamber is arranged on one side of the top of the channel, a controller is arranged in the control chamber, driving circuits of the two water level monitors and the hydraulic hoist are connected with the controller, and water passing mechanisms are arranged on the two gates. The gate is simple in structure, can effectively block upstream and downstream water flow, can reduce scouring to a civil foundation during water filling through self water filling and hedging energy dissipation during water filling, and can meet the ship lifting and passing task of a small-fall channel.

The invention discloses a method and device for determining an anchoring type lock chamber structure scheme and electronic equipment, and relates to the field of shipping sluice design, and the method comprises the steps: determining a plurality of working conditions, load combinations and a plurality of calculation parameters of a lock chamber structure based on the basic scale of the lock chamber structure, and determining the scheme of the anchoring type lock chamber structure based on the plurality of working conditions, the load combinations and the plurality of calculation parameters; calculating the structural internal force of the lock chamber wall and the bottom plate under each working condition, checking the reinforcement amount corresponding to each working condition, arranging cable-stayed anchor piles at the lower parts of the lock chamber wall and the filling crest elevation, and arranging anchoring piles at the middle part and the lower part of the lock chamber bottom plate; and outputting an anchoring type lock chamber structure scheme based on an anchoring pile setting strategy, the structure internal force of the lock chamber wall and the bottom plate under each working condition, and the reinforcement quantity under the bearing capacity limit state and the normal use limit state under each working condition. The technical problems that in the prior art, an integral lock chamber structure resists the loads by increasing the thickness of a lock chamber wall, the engineering construction difficulty is large, and the engineering cost is obviously increased are solved.

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.

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.

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.

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.

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.

A construction method for reconstructing and expanding a ship lock in suit is provided. A flood gate in an upper lock head section of a constructed ship lock is used as a water-retaining cofferdam during a construction period. A remaining part of the constructed ship lock is cut off downstream from a target cutting surface located in a lock chamber section of the constructed ship lock, and a new ship lock is constructed downstream. A bank-side pier structure between the upper lock head section of the constructed ship lock and the new ship lock is cut to a first preset elevation, and two water-retaining and seepage control lines are added, and a cutoff buttress is constructed. An upper navigation wall section of the constructed ship lock and the upper lock head section of the constructed ship lock are reconstructed, and another water-retaining and seepage control line is added.

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.

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.

The present invention relates to the field of floating dock gates, and specifically discloses a method for in-situ dismantling of obsolete and invalid floating dock gates, including: model measurement and scheme formulation, water retaining system establishment, construction platform preparation, construction environment optimization, horizontal plate dismantling, side plate dismantling, plate transfer and other construction processes. This process is combined with the construction of a water-stopping system in the dock area to achieve water pumping in the dock area to form a dry construction environment. The dock gate is pre-cut in sections according to actual working conditions, and the cutting design is carried out in the order of horizontal plates, side plates, longitudinal beams and transverse beams. For larger longitudinal beams, the entire floating dock gate is pre-cut in sections, and the crane is used to lift the steel plates layer by layer and piece by piece. For smaller longitudinal beams, the crane is used to lift the steel plates vertically and horizontally, retaining key connection parts to ensure stability, achieving smooth cutting, transfer and disassembly, avoiding the difficulty and risk factor of underwater cutting, and at the same time, the difficulty of lifting the steel plates layer by layer and piece by piece is relatively low.

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.

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.

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.

The invention provides a ship lock water delivery gallery valve hydraulic hoist and a hydraulic hoist overhauling method.The ship lock water delivery gallery valve hydraulic hoist comprises a rack, a lifting oil cylinder and a linear driving mechanism, the rack comprises a fixed frame and a rotating frame, the rotating frame is rotationally connected to the fixed frame, the lifting oil cylinder is fixedly connected to the rotating frame, and the fixed end of the linear driving mechanism is hinged to the fixed frame; the driving end of the linear driving mechanism is hinged to the lifting oil cylinder so as to drive the lifting oil cylinder to swing in the vertical plane. And the hydraulic station is connected with the lifting oil cylinder so as to drive the lifting oil cylinder to act. The linear driving mechanism drives the lifting oil cylinder to rotate, the vertical working station of the lifting oil cylinder is changed into the horizontal overhauling station, and when the lifting oil cylinder is located at the horizontal overhauling station, the lifting oil cylinder can be overhauled conveniently. The lifting oil cylinder does not need to be lifted out in the overhauling process, the lifting oil cylinder is directly overhauled in the hoist machine room, the overhauling time is shorter, the overhauling efficiency is improved, and the ship lock cutoff time is shortened.

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.

The present invention provides a temporary guardrail for the bottom plate of a ship lock chamber, which belongs to the technical field of temporary guardrails for ship lock projects. It comprises a first guardrail body and a second guardrail body, wherein the rear ends of the first guardrail body and the second guardrail body are provided with connecting rods, and the bottom ends of the connecting rods are provided with fixing rods; a fixing mechanism is provided at the top end of the fixing rod, and the fixing mechanism comprises a first connecting block. The present invention fixes the U-shaped steel, and then the U-shaped steel can fix the first guardrail body and the second guardrail body at the edge of the ship lock body, and finally inserts the U-shaped steel into the gap of the steel cage and the inside of the socket, and then rotates the gear to make the first plug block enter the inside of the square hole, so that the first guardrail body and the second guardrail body can be fixed at the edge of the ship lock body without driving in the anchoring structure, thereby avoiding cracking, damage or performance degradation of the concrete.

A four-degree-of-freedom locking device based on a hydraulic system comprises a movable frame structure, a wheel device is arranged at the bottom of the movable frame structure, and a separated jack is arranged at the top of the movable frame structure; the movable frame structure is connected with the push-out jack through the hinge device support. According to the utility model, the automatic locking and unlocking of the gate are realized through the control of a hydraulic system, and the complexity and labor intensity of manual operation are reduced. The separating type jacks are symmetrically arranged on a middle cross beam of the movable frame structure, and balance and stability of the structure are guaranteed. The push-out jack is connected with the movable frame structure through the hinge device support, effective transmission of thrust is ensured, and the overall stability of the device is improved. The device has four degrees of freedom, can flexibly adapt to gates of different sizes and types, and is high in adaptability.

The utility model discloses a ship lock water delivery system transformation structure which comprises an energy dissipation beam, a plurality of embedded plates and an energy dissipation grating, the energy dissipation beam is used for dividing water flow of a lock head water outlet into a plurality of parts, and the energy dissipation beam is made of a steel structure; the embedded plates are connected with the two inner side walls of the lock head through concrete, and the two ends of the energy dissipation beam are connected with the corresponding embedded plates correspondingly. The energy dissipation grating is made of a steel structure, grating gate grooves are connected to the two ends of the energy dissipation grating, and the two grating gate grooves are connected to the corresponding inner side walls of the lock chamber through concrete. The utility model has the beneficial effects that the energy dissipation grating and the energy dissipation beam of the steel structure are arranged, the water flow impact at the lock chamber and the lock head is reduced, the strength and the rigidity at the lock chamber and the lock head are also improved, the concrete structure is less during reconstruction construction, the construction period is obviously shortened, the maintenance and replacement work in later operation is also greatly facilitated, and the construction cost is reduced. Therefore, the engineering investment cost is effectively reduced.