274results 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 present invention relates to the technical field of ship lock concrete construction, and in particular to a material placing system and construction method for concrete pouring on a high surface of a ship lock. According to the present invention, a feeding belt conveyor is arranged in a line direction of the ship lock and used for conveying concrete materials from a bottom end to a high end, and then by means of a bidirectional telescopic material placing machine which is transversely arranged, the concrete materials are transversely conveyed to the side wall of the ship lock for concrete pouring; the pouring height is adjustable; the transverse extension and retraction length is adjustable, and the bidirectional telescopic material placing machine can extend and retract along the left side and the right side in the transverse direction; and the pouring range is large, and the construction efficiency is high.

A lifting type lock head water retaining system suitable for rapid water level change mainly comprises a working door, an access door, a working door groove, an access door groove and the like. The working door comprises a working gate which is arranged in the working door groove, and the upper end of the working gate ascends and descends through a lifting device; locking devices are arranged on the left side and the right side of the working gate, a plurality of sets of water retaining locking grooves are formed in the corresponding working gate grooves at intervals in the height direction, and the locking devices and the corresponding water retaining locking grooves are locked or unlocked. The access door comprises a plurality of sections of access stop log doors arranged in the access door groove, and the access stop log doors ascend and descend through an access door hoist; the working gate groove extends downwards by a certain depth along the bottom of the channel, and when the working gate is adjusted to the highest position from the lowest position, the bottom of the working gate is always lower than the bottom of the channel. According to the lifting type lock head water retaining system suitable for rapid change of the water level, the water retaining height is convenient and rapid to adjust, overhaul and maintenance are convenient, and the automation degree is high.

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 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 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 present invention relates to a ship lock gate anti-collision device and an anti-collision method. The anti-collision device includes an energy dissipation counterweight assembly, a floating drum frame, a double-drum winch, and a blocking cable; the energy dissipation counterweight assembly includes a first-stage energy dissipation counterweight, a connecting chain, a second-stage energy dissipation counterweight, and a lifting chain; the double-drum winches are symmetrically distributed on the top of the lock walls on both sides of the ship lock, and include a motor, a block brake, a blocking cable open pinion and shaft, a blocking cable open gear, a blocking cable drum and shaft, a jaw clutch, a counterweight open pinion and shaft, a counterweight open gear, a counterweight drum and shaft, and a drum ratchet lock assembly for unidirectionally locking the counterweight drum and shaft; the blocking cable includes a blocking cable that spans the ship lock chamber and connects the double-drum winches on both sides of the chamber; the floating drum frame includes a floating drum, a frame, and a steering shaft. Compared with the prior art, the structure of the present invention is simpler, and the installation and transformation of the whole set of devices on one side can be realized in a ship lock chamber well groove, saving space.

The utility model relates to the technical field of water conservancy ship locks, and discloses a water delivery door positioning structure for a water conservancy ship lock, which comprises a water delivery door body and a remote controller, and a drainage mechanism is arranged in the water delivery door body. According to the water delivery door positioning structure for the water conservancy ship lock, by arranging the drainage mechanism, when water needs to be drained to raise the ship water level, information is sent to the controller through a remote controller, the controller enables an electric hydraulic telescopic rod to contract, a water blocking plate ascends along a sliding groove, water flow on the side with the high water level enters a filter screen, and impurities are filtered by the filter screen; the anti-collision rod prevents heavy objects from smashing the filter screen, water flow enters the straight pipe from the bent pipe and passes through the two hydroelectric generators, the two hydroelectric generators generate electric power and then transmit the electric power to the outside through wires to store the electric power, and after the water level rises, the water blocking plate moves downwards to be clamped in the clamping groove through the electric hydraulic telescopic rod. And environment-friendly power generation is achieved by facilitating water resource power generation.

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 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 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 invention discloses a ship lock opening operation mode navigation control method which is characterized in that after an opening operation mode is determined, an upstream ship lock and a downstream ship lock are opened to drain water, the water flow velocity is predicted, the time required for the flow velocity to reach a safety threshold value is judged, and when the required time is smaller than a preparation time value, a ship is informed to start navigation preparation; and when the flow velocity reaches a safety threshold, the ship is notified to navigate. The ship navigation time can be predicted in advance after the ship lock is opened, the ship is informed to shorten the response time of the ship, the navigation efficiency is improved, meanwhile, the adopted ship lock opening water flow speed simulation method has the advantage that higher simulation precision can be obtained with less calculation power, and the navigation control accuracy is improved.

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 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 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 present invention discloses a double-channel ship lift arranged perpendicular to a waterway and a navigation method thereof, comprising a ship lift arranged on the downstream side of a dam, wherein an upstream entry pilot channel and an upstream exit pilot channel are respectively provided between the upper part of the ship lift and the water area upstream of the dam, and a downstream entry pilot channel and a downstream exit pilot channel are respectively provided between the lower part of the ship lift and the water area downstream of the dam; the present invention can greatly reduce the waiting time between ships entering and leaving the carriage, thereby significantly improving the navigation efficiency of the ship lift.

ELECTRICAL ENERGY PRODUCTION SYSTEM FOR RIVER AND FISHERIES ENGINEERING STRUCTURES System (100, 200) for producing electrical energy for river and fisheries engineering structures (900a, 900b) mainly comprising a unit (10, 20) for producing electrical energy and a means (11, 21) for fixing said system to said structure, said unit comprising a water intake (101, 201), a flow conduit (102, 202), at least one hydroelectric turbine (103, 203), a water outlet (109, 209), said means for fixing said system comprising two inserts (111, 121) inserted into cofferdam grooves (93a, 93b) of a frame (90a) of said structure; and said system being installed in said structure without new constructions or foundations. Abstract figure: figure 2

The utility model discloses a template grout stopping device, which relates to the technical field of template engineering, the template grout stopping device is characterized in that a supporting piece is arranged at the bottom of the template, the supporting piece comprises a transverse edge and a vertical edge which are perpendicular to each other, the vertical edge is connected with a transverse rib, the vertical edge is perpendicular to the transverse rib, and the transverse edge is parallel to the transverse rib. A clamping piece is movably arranged in the supporting piece, the clamping piece is arranged between the transverse edge and the transverse rib, and a sealing strip used for stopping grout is arranged in the clamping piece; according to the formwork grout stopping device, after the formwork is installed, the sealing strip can be tightly attached to the surface of a constructed concrete structure body, a gap is prevented from being generated between the constructed concrete structure body and the formwork, and the grout stopping effect of a bottom opening of the formwork is 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 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.

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.