28results about "Vertical ship-lifting" patented technology

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.

A motor vehicle hub station configured to function as a terminal for an air motor vehicle, a ground motor vehicle, or a water motor vehicle, the motor vehicle hub station including a plurality of levels by a combination of a water surface level connected to a water surface and having an entrance for a water motor vehicle, a port level having a takeoff and landing field for an air motor vehicle, or a ground level configured to be connected to a ground and having an entrance for a ground motor vehicle, wherein a lift passage having an internal space extending in an up-down direction of the motor vehicle hub station is provided between the levels, the internal space is connected to each of the water surface level, the port level, and the ground level, and the air motor vehicle, the ground motor vehicle, or the water motor vehicle is lifted or lowered through the internal space.

The invention discloses a ship lift long nut-short screw safety mechanism thread pair gap real-time monitoring system and method based on computer vision, and the system comprises an image collection module which is used for obtaining a real-time image of a thread pair, and carrying out the distortion correction of the image through a hardware compensation module and a software compensation module; the image processing module is used for carrying out key point detection on the acquired image, identifying a nut column angular point and a thread angular point, and storing two-dimensional image coordinate values of the nut column angular point and the thread angular point; the back projection module is used for converting the two-dimensional image coordinate value into a three-dimensional physical space coordinate based on a projection matrix and further calculating a thread pair gap value; and the display and early warning module is used for displaying the gap value of the thread pair, the historical trend curve and the image video stream in real time, and triggering multi-stage early warning when the gap is abnormal. According to the ship lift long nut-short screw safety mechanism thread pair gap real-time monitoring system and method based on computer vision, high-precision and high-real-time non-contact measurement on the safety mechanism thread pair gap can be achieved.

A ship lift ship chamber and upstream butt joint method suitable for a low navigation water level comprises the steps that firstly, the maximum variable amplitude of upstream periodic water level changes is calculated and compared with the designed maximum misloading water depth of a ship lift, and the direct butt joint feasibility of a ship chamber is judged; if the misloading water depth limit is exceeded, dynamically selecting a ship chamber butt joint position by combining the time when the ship enters and exits from the chamber and the water level change period: for a large-draft ship, positioning the ship chamber below the maximum variable amplitude middle position to avoid stranding; a snack ship is positioned above the middle position so as to shorten the carriage passing time. Through autonomous water level analysis and dynamic docking decision, the safety of ship compartment docking under the low water level condition is achieved.

The application discloses a ship lift bearing ship chamber on-line monitoring method and monitoring system, including the following contents: data monitoring, data acquisition, state evaluation and fault analysis; the health state of the equipment of the ship lift is evaluated according to the collected data; if the evaluation result is abnormal, a prewarning or alarm signal is sent according to the abnormal degree; when the alarm is monitored, the collected data is compared with the data in the data storage module, the alarm information is diagnosed and analyzed to generate the equipment fault maintenance decision; the application monitors the structure capacity and operation posture of the bearing ship chamber, and realizes real-time control of the structure performance index and equipment operation state of the bearing ship chamber, so that the bearing ship chamber is monitored; when the health state of the bearing ship chamber is in an abnormal state, the bearing ship chamber is adjusted and maintained in time; when the alarm signal is received, the monitoring data is compared with the data in the data storage module, the fault diagnosis is quickly obtained, and the maintenance decision is given.

The utility model discloses a maritime patrol boat lift relates to ship lift technical field, including base, hydraulic oil cylinder and servo motor, the outer side of base is equidistantly provided with guide slot, the right top of base is provided with frame, the back of base is provided with hydraulic oil cylinder, the top of base is provided with displacement mechanism, the servo motor is provided with servo motor, the servo motor is provided with servo motor. The displacement mechanism is used for adjusting the positions of the rack and the lifting platform so as to conveniently displace and descend the coastal patrol boat fixed on the lifting platform, a lifting mechanism is arranged on the outer side of the rack, and the lifting mechanism is used for vertically releasing and lifting the outer side of the lifting platform. And then the sea patrol boat is released or separated from the water surface to be overhauled. The outer side of the lifting platform is movably connected through the vertically-arranged guide rods, the swing amplitude of the lifting platform is controlled, the situation that the ship body is collided and damaged in the lifting process due to too large swing is avoided, and the influence on the ship body is reduced.

This invention relates to the field of ship lift cabin launching control technology, specifically disclosing a control method for launching ship lift cabins with airbags, comprising the following steps: S001, at least twelve lifting airbags arranged according to a predetermined pattern are provided at the bottom of the cabin, and the lifting airbags are continuously inflated until the bottom of the cabin is parallel to the manufacturing ground; S002, when step S001 is executed, at least six buoyancy-aiding airbags located on the buoyancy aid position of the cabin and arranged against its side wall, and at least four receiving airbags located at the contact point between the ground and the forward end of the cabin, arranged according to a predetermined pattern, are all inflated to a predetermined air pressure; S003, the cabin is pulled down to the end of the manufacturing ground, and after adjusting the cabin's attitude to be parallel to the launching point, the cabin continues to move down and contacts the first receiving airbag. This invention can solve the problem of launching ship lift cabins, and the actual construction operation is relatively simple, and the construction cost is more economical and easier to operate compared to the floating cloud solution.

The application discloses a traction system suitable for ship lock with large fluctuation of water level, which comprises a lock chamber, guide rails, floating boxes, walking tracks, traction devices, braking devices, guiding devices and power supply devices; the two sides of the lock chamber are lock walls, the guide rails are arranged on the lock walls of the two sides of the lock chamber and are arranged in multiple along the length direction of the lock walls; two groups of floating boxes are arranged in each lock chamber, the two groups of floating boxes in each lock chamber are connected with the guide rails arranged on the two lock walls of the two sides of the lock chamber respectively and can move up and down along the guide rails; the floating boxes on the same side of each lock chamber are arranged along the same straight line; the walking tracks are arranged on the floating boxes one by one, the length direction of the walking tracks is along the length direction of the floating boxes, and the walking tracks arranged on the floating boxes on the same side of each lock chamber are arranged along the same straight line; the traction devices are arranged on the walking tracks and can move along the walking tracks; and the safety and efficiency of the ship passing through the ship lock are effectively improved.

The utility model relates to the technical field of ship lift balance chain balancing weight fixing, and aims to solve the problems that in the prior art, a clamping block is connected with a balancing weight bolt to fix a balancing weight on a steel wire rope, the bolt is loosened, so that the clamping force is insufficient, and manpower and time input for regular inspection and fastening of the bolt are high. The fast-assembly maintenance-free ship lift balance chain balancing weight fixing clamp comprises two fixing blocks which are installed in grooves in the two sides of a balancing weight respectively, and installation grooves are formed in the sides, opposite to the balancing weight, of the fixing blocks; wedge-shaped grooves are formed in the upper portion and the lower portion of the fixing block respectively, the widths of the two ends of each wedge-shaped groove are different, the width of the first end of each wedge-shaped groove is smaller than that of the second end of each wedge-shaped groove, and the first ends of the two wedge-shaped grooves communicate with the mounting groove; the two wedge-shaped grooves are internally provided with wedge-shaped blocks correspondingly, and the two wedge-shaped blocks are connected through a connecting and tensioning assembly. Reliable connection between the balancing weight and the steel wire rope can be achieved, maintenance is avoided, and manpower and time cost are saved.

The emergency braking system mainly comprises anti-collision air bags, and the anti-collision air bags are divided into a plurality of groups and arranged at intervals along the longitudinal side wall of a ship compartment fender; the anti-collision air bags are inflated and deflated through the air supply system; the laser ranging trigger module monitors the speed of the ship entering the compartment in real time and outputs a trigger signal; the anti-collision air bag is retracted or stretched out through the hydraulic recovery mechanism. According to the emergency braking system and method for the out-of-control ship in the ship chamber of the ship lift, the operation safety and stability of the ship lift can be effectively improved.

The utility model discloses a hydraulic lifting bridge for engineering machinery, which belongs to the technical field of lifting bridges and comprises two supports and a fixing plate mounted at the upper ends of the supports, two hydraulic telescopic rods are arranged below the fixing plate, a bridge body is mounted at the output ends of the hydraulic telescopic rods, and assembly grooves are formed in the two supports. A first fixing component is installed in the assembling groove, and a second fixing component is arranged above the first component. The bridge body is pulled upwards to a designated position through the two hydraulic telescopic rods installed below the fixing plate, a first electric push rod in the first fixing component pushes a clamping block to be pushed outwards, the clamping block can be supported below a reinforcing plate on the lower portion of the bridge body, meanwhile, friction can be reduced through a plurality of pin rollers, the service life is prolonged, and the service life of the bridge body is prolonged. And secondary fixing is carried out from the side wall of the bridge body in cooperation with a second fixing component, and the safety coefficient is improved.

A shiplift transfer system for moving a ship between a shiplift platform and a shipyard is disclosed. The system includes transition rails coupled with the shipyard that are pivotable about trunnion pins between a position that bridges a gap between the shipyard and the shiplift platform and a position that is clear of the gap and of the shiplift platform. The pins are positioned such that the load is not transferred to the pins. Load on the transition rails is reacted at curved surfaces of the transition rails that are engaged with curved surfaces on the yard. The transition rails are accessible for maintenance and replacement via removable plates. The rails include beveling to accommodate misalignment between the yard and platform.

The invention discloses a method for improving the operation efficiency of a ship lift approach channel auxiliary lock chamber, and belongs to the technical field of approach channel hydraulics. The method comprises the following steps that S1, a water level gauge is arranged in a key area in a ship lift approach channel; s2, reading a non-constant-current water level fluctuation value H in a key area in the storage approach channel in real time; s3, calculating the fluctuation amplitude of the non-constant current water level in the key area in the approach channel of the ship lift hour by hour; and S4, comparing operation scheduling limits of the ship lift, and determining whether the auxiliary lock chamber needs to be put into operation or not. According to the method for improving the operation efficiency of the auxiliary lock chamber of the ship lift approach channel, the problems that in the prior art, frequent operation of the auxiliary lock chamber consumes long time, the navigation efficiency is greatly influenced, and the metal structure of a fixed roll type hoist is greatly shortened due to repeated use of an auxiliary lock head working door can be effectively solved.

The utility model relates to ship lift locking beam mounting equipment technical field, specifically disclose a locking beam positioning device for ship lift, right silk screw rod left end rotatably connected to the left side wall of box, and the right end is connected to the left end of reverse silk screw rod through the shaft coupling, the reverse silk screw rod right end passes through the right side wall of box and is connected to the output shaft of motor, the mounting block is screwed on the right silk screw rod, and the piston rod of lifting oil cylinder is connected to the locking plate vertically downward, a plurality of locking holes are equipped on the locking plate for connecting to the bearing plate of ship lift locking beam, the utility model sets up the right silk screw rod and reverse silk screw rod in the box, and the right silk screw rod and reverse silk screw rod are driven to rotate using motor, drive the locking plate transverse movement, adjust the horizontal position, start lifting oil cylinder and drive the locking plate to lift, adjust vertical height, adjust the position alignment of locking plate and bearing plate and carry out the butt joint, do not need to hoist equipment to move the bearing plate and carry out the butt joint, reduce the resource waste, improve the precision of butt joint.

The invention discloses a ship lift safety mechanism gap detection system and method based on a laser radar, and the system comprises a point cloud image collection module which obtains a depth image of a rotating screw region of a ship lift safety mechanism; the point cloud preprocessing module is used for converting the depth image into point cloud data and preprocessing the point cloud data; the point cloud segmentation and edge detection module is used for extracting geometric features of a safety mechanism rotating screw and a nut column structure by adopting a PointNet + +-based multi-scale packet network, carrying out detection gap calculation and contact surface evaluation on edges by combining Euclidean clustering and an RANSAC algorithm, calculating a minimum gap between the safety mechanism rotating screw and the surface of the nut column based on a Hausdorff distance, and evaluating the contact surface of the safety mechanism rotating screw and the surface of the nut column. Comparing with a preset safety threshold value, and judging a loosening state; and the result display and early warning feedback module realizes real-time monitoring and remote early warning response of the rotating screw rod and the nut column of the safety mechanism through a three-dimensional visualization and automatic early warning mechanism. Operation safety of key components of the ship lift can be effectively guaranteed, and major accidents caused by abnormal gaps are prevented.

The application discloses a ship lift anti-out-of-control operation device and a use method thereof. The ship lift anti-out-of-control operation device comprises a first shaft body rotatably arranged on a ship cabin, a second shaft body fixedly arranged on the ship cabin and a poking assembly arranged on the ship cabin. The first shaft body is in transmission connection with a transmission shaft of a driving system. A forward ratchet wheel and a reverse ratchet wheel are coaxially arranged on the first shaft body. A forward pawl and a reverse pawl are coaxially rotatably connected to the second shaft body. During operation of the poking assembly to a first state, the forward pawl is inserted into the forward ratchet wheel after rotation, the poking assembly pokes the reverse pawl and makes the reverse pawl exit the reverse ratchet wheel. During operation of the poking assembly to a second state, the reverse pawl is inserted into the reverse ratchet wheel after rotation, the poking assembly pokes the forward pawl and makes the forward pawl exit the forward ratchet wheel. The application can prevent the ship cabin from out-of-control up-and-down movement when the ship cabin loses driving force and the braking system fails, so as to avoid serious safety accidents such as ship cabin collision with the top or falling.

The invention discloses a device and method for replacing a longitudinal guide device of a gear and rack climbing type ship lift, the device for replacing the longitudinal guide device of the gear and rack climbing type ship lift comprises two load-bearing main beams, a connecting beam and four electric hoist cranes, the first ends of the two load-bearing main beams are detachably connected with a hydraulic structure, and the second ends of the two load-bearing main beams are detachably connected with the hydraulic structure; the second ends of the two load-bearing main beams are provided with supports, the load-bearing main beams are provided with two first lifting lugs, the two ends of the connecting beam are detachably connected with the second ends of the two load-bearing main beams respectively, the upper ends of the four electric hoist cranes are hung on the four first lifting lugs respectively, and the lower ends of the four electric hoist cranes are hung on the four second lifting lugs on the longitudinal guiding device respectively. According to the method, the longitudinal guide device is detached from the ship chamber, and the longitudinal guide device is lowered to the bottom of the ship chamber, so that the longitudinal guide device can be repaired and maintained at the bottom of the ship chamber with a larger operation space or transported to a larger repair and maintenance space, the repair and maintenance difficulty can be reduced, and the longitudinal guide device can be conveniently and quickly maintained and repaired.

The present application relates to the installation device field of ship machine platform, disclose a kind of for ship lift platform connecting bolt installation construction platform and installation method, including two main hanger rods and two auxiliary hanger rods vertically inserted into top manhole;Still include the stop plate being arranged at the upper end of main hanger rod and auxiliary hanger rod, the lower surface of stop plate is equipped with limiting protrusion, main hanger rod and auxiliary hanger rod are also equipped with transverse bolt hole, and are equipped with sheep horn pin inside;Still include winch being arranged at the top of main hanger rod;Still include main walkway grating being laid on cross arm.The present application can complete the erection and connection work of suspension platform main component under high-risk, edge, water condition without construction personnel entering restricted space, effectively improve the safety factor, while the device effectively avoids platform movement through the cooperation of stop plate and sheep horn pin, meet the bearing and stability requirement, also will not damage ship lift platform steel structure paint and main structure.

The application discloses a water level early warning method and system for a ship lift of a hydropower station, and the method comprises the following steps: collecting measured data of initial water levels, flow amplitude, flow speed, water level amplitude measured values within 20 minutes and water level overrun duration measured values under historical working conditions, verified working conditions and newly added working conditions; pre-processing variables; inputting the pre-processed variables into a multivariate nonlinear regression model in the following form, fitting and respectively; outputting the fitted and, and triggering early warning to guide gate control when the and exceeds 0.5 meters or exceeds a preset threshold. Through variable pre-processing, optimization and differential model structure design, the model can adapt to different generator tripping, load shedding working conditions and newly added working conditions, and the generalization ability is significantly better than that of an existing linear model with a fixed structure.

A kind of lock head water retaining device and method suitable for ship lift channel water level quick change, mainly including working door, maintenance door, working door slot, maintenance door slot etc.;Working door includes working big door, working big door is placed in working door slot and is lifted by lifting device.;Working big door is arranged with locking device left and right, and multiple groups of water retaining locking grooves are arranged in height direction on corresponding working door slot, locking device and corresponding water retaining locking groove are locked or unlocked.;Maintenance door includes multiple maintenance stop log doors placed in maintenance door slot, maintenance stop log door is lifted and lowered by maintenance door opening and closing machine.;Working door slot extends a certain depth along channel bottom, when working big door is adjusted from lowest position to highest position, working big door bottom is always lower than channel bottom. The lock head water retaining device and method suitable for ship lift channel water level quick change provided by the application is convenient and fast for water retaining height adjustment, easy to maintain, and high degree of automation.

The invention discloses a multi-buoy buoyancy balance ship lift driven by water energy, and relates to the field of waterway transportation equipment.The buoyancy balance ship lift is used for being in butt joint with an upstream approach channel and a downstream approach channel, ship navigation is achieved through lifting operation, the buoyancy balance ship lift comprises a weak balance body, and the weak balance body is arranged on a water body of a vertical shaft; the base is used for bearing navigable ships or other objects; according to the buoyancy balance ship lift, a buoyancy-gravity dynamic regulation and control scheme composed of structures such as a ship reception chamber, a stand column, a buoy body, a water tank, a water tank, a portal frame and a pulley rope set is constructed, and three independent or cooperative working structural types of torque balance, vertical balance and double balance are creatively designed; the performance of the ship can meet multiple core indexes such as high navigation efficiency, water and energy conservation, large-scale ship chamber and multi-mode intelligent driving, and revolutionary improvement of the overall navigation performance is achieved.

This utility model relates to the field of water conservancy engineering technology, specifically to a water conservancy hub structure, including an upstream reservoir and a downstream river channel. The upstream reservoir and the downstream river channel are connected by an intermediate channel, which includes a first tributary channel and a second tributary channel. The upstream of the first tributary channel and the upstream of the second tributary channel are connected to form a diversion point. The downstream of the first tributary channel flows into the downstream river channel. A ship lift is located at the confluence between the first tributary channel and the downstream river channel. A water-retaining overflow dam is located downstream of the second tributary channel. This utility model designs the intermediate channel as two tributary channels to divert water flow, with the upstream of the two tributary channels connected to form a diversion point. Water can flow into the two tributary channels separately. When passing through the diversion point, the flow velocity and impact force are reduced by the second tributary channel and the water-retaining overflow dam, greatly reducing the impact of the water flow on the ship lift and ensuring the normal operation of the ship lift and the normal navigation of the waterway.

The application discloses a ship-lifting chamber water depth self-adaptive emergency braking system and method, which comprises an electric pump group for providing hydraulic power, an oil outlet of the electric pump group being connected with a one-way filter valve group through a first one-way valve, an outlet of the one-way filter valve group being connected with a first electromagnetic reversing valve and a second electromagnetic reversing valve in parallel through a second one-way valve, a speed regulating valve being connected in series on the second electromagnetic reversing valve, an outlet of the speed regulating valve being connected with a third electromagnetic reversing valve and a proportional overflow valve in parallel, the other ends of the first electromagnetic reversing valve and the third electromagnetic reversing valve being connected with a working brake, a fourth electromagnetic reversing valve being installed between the working brake and an oil tank, and a PLC controller being further included for controlling the system. On the basis of adjusting a proportional overflow valve current to control a braking torque, the braking system can consider unbalanced load generated by a ship-lifting chamber misloaded water depth, can accurately output the braking torque, and can thus ensure that the ship-lifting chamber is braked under suitable acceleration, and mechanical impact or braking stroke is reduced.

The application discloses a vertical ship lift cabin, which comprises a closing unit and a cabin unit, the closing unit comprises a closing plate, a moving plate, a pushing block and a lever, the closing plate is arranged at the side of the moving plate, the pushing block is arranged at the side of the cabin, and the lever is arranged at the side of the cabin; the cabin unit comprises an inner cavity, a portal frame and a mechanism cavity, the portal frame is arranged at the top of the cabin unit, and the mechanism cavity is arranged at the side of the cabin unit. The application has the beneficial effect that the internal structure of the cabin is similar to the external contour of a ship, the closing plate has a translation process first and then slowly turns and rises when the closing plate is lifted, and when the ship lift is separated from the water surface, the inner cavity structure similar to the external contour of the ship can store more water, and the lifting force of the cabin is improved.

Unlimited tonnage hydraulic rail track lifting transportation method is to replace the need for manual excavation canal and ship lock and super heavy object lifting transportation method: to build a solid foundation, laying track. Track running two groups of hydraulic column, the middle with horizontal bar connection, with rope to lift the object. Real road will inevitably form a terrace-like horizontal plane with height difference, at the junction of the higher end of the laying of the roller, the use of the gap between the roller to hang rope and rope, other stages are still holding the rope, to maintain the original center of gravity and continuous speed of the object. Unlimited tonnage lifting is a number of no counterweight hydraulic rail crane, without vertical rod, horizontal bar stacked, hydraulic column in a straight line, to achieve many hydraulic column to deal with lifting.

The invention discloses a ship lift overspeed emergency braking system and method based on a transverse guide mechanism, and belongs to the technical field of ship lift protection equipment. A transverse guide frame and a climbing gear guide frame are arranged on the ship chamber; the climbing gear guide frame is matched with a driving system for driving the ship chamber to move up and down along the guide rails; the two sides of the transverse guide frame are matched with the guide rails to slide so as to guide the movement of the ship chamber; brake assemblies are arranged on the two sides of the climbing gear guide frame or the transverse guide frame; the brake assembly comprises a brake actuator and an overspeed trigger; and the overspeed trigger triggers the brake actuator to work to brake the ship chamber when the ship chamber is overspeed. According to the ship lift overspeed emergency braking system and method based on the transverse guiding mechanism, the problems that in the prior art, when a control system of a ship lift fails, the extreme conditions that a frequency converter is not enabled and a brake is loosened occur at the same time, and serious safety accidents such as ship chamber top rushing or falling are caused can be effectively solved.

The invention discloses a vertical lifting type lock head door locking system and method for a ship lift. The system comprises a first working platform, a second working platform, a lock head door, a working door groove, a winch type hoist and a locking device. The winch hoist is arranged on the first working platform and used for controlling the lock head door to ascend and descend. The lock head door is arranged in the working door groove and used for blocking upstream and downstream water. The locking device is arranged on the second working platform and used for locking and unlocking the lock head door in the working state and the maintenance state. The locking device comprises a locking beam, the tail end of the locking beam is driven by a locking driving oil cylinder to stretch out and draw back, a clamping hook is installed at the head end of the locking beam, and the clamping hook supports and limits a locking block on the lock head door in the locking state. According to the locking system and method for the vertical lifting type lock head door of the ship lift, quick and stable hook locking and unhooking unlocking of the lock head door in the working state can be achieved, and reliable bearing locking of the lock head door in the overhauling state can be achieved.

The invention discloses a ship lift synchronizing shaft overhaul unloading system and method. The system comprises a locking unit, an adjusting unit and a monitoring unit. The locking units are divided into a plurality of groups to be mounted at the end parts of shaft systems of the synchronizing shafts and are used for locking the corresponding synchronizing shafts; the adjusting units are arranged at the corresponding locking units in a matched mode and used for adjusting the torque of the synchronizing shaft. The monitoring units are divided into a plurality of groups which are respectively arranged at the end parts and the middle parts of the shaft systems of the synchronizing shaft and are used for monitoring the torque value and the rotation angle of the synchronizing shaft in real time. According to the unloading system and method for overhauling the synchronizing shaft of the ship lift, accurate unloading, safe overhauling and rapid reassembling can be achieved when the synchronizing shaft is overhauled, disassembled and assembled, the overhauling precision and efficiency are improved, and field operation safety is ensured.