54results about "Vertical ship-lifting" patented technology

The invention provides a gear and rack climbing type ship lift adopting a balance winding drum for safe fortification and an operation method of the gear and rack climbing type ship lift, relates to the field of ship lifts, and aims to solve the problems of main engine arrangement and water leakage safety fortification of a high-water-head large-tonnage ship lift. The ship lift comprises a self-bearing ship chamber structure, gear and rack driving mechanisms distributed on side wing platforms, a balance winding drum device at the top of a tower column, a balance weight system and a butt joint locking / jacking device. The ship chamber driving mechanism is driven to ascend and descend through meshing of a gear and a rack, the balance winding drum device is connected with the ship chamber and the balance weight system through a steel wire rope, weight balance is achieved, and locking is achieved through an accident brake during water leakage. The butt joint device resists loads through frictional contact and mechanical self-locking. According to the invention, the manufacturing and mounting problems of the super-large winding drum are avoided, space conflicts are solved, a three-level protection mechanism is constructed, the braking response time is less than or equal to 0.5 second, the locking reliability is 100%, and the device is suitable for navigation of ships with 200m-level water heads and 5000 tons.

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 relates to the technical field of ship lifts, in particular to a ship lift navigation channel which comprises a navigation channel body, and the navigation channel body is integrally in a U shape with an opening in the upper end. The swing mechanism comprises a lifting plate arranged on the inner wall of the channel body, a swing plate is hinged to the lifting plate, a pushing assembly is further arranged on the lifting plate, the output end of the pushing assembly makes contact with the swing plate, and a reset spring is arranged between the lifting plate and the swing plate; through the arrangement of the swing mechanism for generating water waves, when the ship reception chamber deflects, the water waves generated by the deflection side restrain the inclination trend of the ship reception chamber, and then the possibility that the ship reception chamber collides with the channel body is reduced; meanwhile, when the ship reception chamber enters water, water flow is pushed to the middle under the action of water waves on the two sides, and the probability that the ship reception chamber gets close to the side and finally collides with the channel body is reduced.

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 transverse centering device and method for a ship chamber of a large ship lift, and relates to the technical field of large ship lifts.The transverse centering device comprises two sets of guide oil cylinder systems, two sets of mechanical guide mechanisms, a compensation oil cylinder system and a hydraulic control system; the two guide oil cylinder systems are symmetrically arranged on the two sides of the bottom of the ship chamber. The two sets of mechanical guide mechanisms are symmetrically arranged on the two sides of the ship chamber, each mechanical guide mechanism comprises a fixed part and a movable part, the fixed parts are installed on buildings on the corresponding sides, the movable parts are fixedly arranged on guide oil cylinder systems at the bottoms of the corresponding sides of the ship chamber, and the movable parts ascend and descend along with the ship chamber. One side, far away from the ship chamber, of the movable part is locally sleeved on the fixed part in a sliding manner; the hydraulic control system and the compensation oil cylinder system are used for controlling the two guide oil cylinder systems to achieve stability in the transverse centering and lifting process of the ship chamber. Through cooperation of a mechanical structure and a hydraulic system, transverse centering of the ship chamber is achieved, and the operation efficiency and the operation safety can be effectively guaranteed.

An anti-collision device with a hydraulic cylinder buffering function belongs to the field of hydraulic metal structures and comprises an anti-collision beam, rail supports are arranged at the two ends of the anti-collision beam and matched with rail grooves, and a buffering jack is arranged on the back of the anti-collision beam and connected with a jack back support. The device is simple in structure and convenient to operate and use, impact energy is absorbed to a great extent, and safety is improved.

This invention discloses a hydraulic system and control method for a ship lift sealing frame, relating to the field of hydraulic system technology. The hydraulic system for the ship lift sealing frame includes: multiple active cylinders and multiple passive cylinders; a power supply assembly for drawing hydraulic oil from an oil tank; a throttling and reversing module, whose inlet end is connected to the outlet end of the power supply assembly, for regulating the flow direction of hydraulic oil into the active and passive cylinders; the throttling and reversing module is connected to the rodless chamber of the active cylinders through a first active oil circuit, which is connected to the first passive oil circuit through a sequence valve. In using the hydraulic system for the ship lift sealing frame provided in this application, during the extension of the sealing frame, only the synchronicity of the active cylinders needs to be ensured, reducing the number of cylinders requiring synchronicity, lowering the control difficulty of maintaining synchronicity, thereby reducing the cost of achieving synchronicity requirements and improving the synchronicity of the ship lift sealing frame hydraulic system.

The invention provides a dynamic adjusting method for a ship chamber of a launching type ship lift after entering water. The dynamic adjusting method comprises the following steps that the downstream water level (WD), the water depth (WX) of the ship chamber and the water entering depth (WR) are detected in real time through a sensor; adjusting is triggered based on predefined parameters (the standard water depth WXB of the ship chamber, the allowable fluctuation range WX delta M of the water depth, the maximum draft WCM of the ship and the maximum water entry depth WRM of the ship chamber); if WRM (descending condition) or WR is smaller than WRM-delta 2 (lifting condition), delta 1 and delta 2 take the design water depth + / -5%-10%; when descending is triggered, the main elevator runs to WX = WXB + WXdeltaM, and lifting is triggered in a similar way; the levelness (height difference is less than 1cm) of four corners of the ship chamber is monitored during adjustment; and after adjustment, if the WX is within the range of [WXB-WX delta M, WXB + WX delta M], the door is closed, otherwise, adjustment is repeated. According to the method, the ship chamber water depth is kept within an effective range through dynamic adjustment, and ship draft and ship lift operation safety are guaranteed.

The invention discloses a ship lift overspeed protection device and method based on a nut stud safety mechanism, and belongs to the technical field of ship lift protection equipment. The ship lift overspeed protection device comprises a ship chamber, a driving structure, a transmission mechanism, a compression mechanism, a stretching mechanism and a hydraulic damping mechanism; the driving mechanism drives the short screw rod to idle in the long nut column through the transmission mechanism when the ship chamber operates normally; an overspeed clutch is arranged on the transmission mechanism; the compression mechanism is connected with the short screw rod and is matched with the hydraulic damping mechanism to prevent the ship chamber from moving downwards; the stretching mechanism is connected with the ship chamber and matched with the hydraulic damping mechanism to prevent the ship chamber from moving upwards. According to the ship lift overspeed protection device and method based on the nut column safety mechanism, the problems that in the prior art, a braking system depends on an electrical control system, and safety accidents such as ship chamber top rushing or falling easily occur during electrical failure can be effectively solved.

The invention discloses a rack replacement method of a large gear rack climbing type ship lift, which comprises a middle rack replacement method, and the middle rack replacement method comprises the following steps: primarily ejecting a middle rack to be replaced by four ejector rods; a rack lifting appliance is connected to the middle rack to be replaced, and the bridge crane is connected with the rack lifting appliance through a steel wire rope; the middle rack to be replaced is completely ejected out from the position between the upper rack section and the lower rack section which are adjacent; operating the bridge crane to move out the middle rack to be replaced and move in a new middle rack; a new middle rack is preliminarily pushed in; and after the rack lifting appliance is dismounted, the new middle rack is completely pushed between the upper and lower adjacent rack sections. The rack replacement device is simple in structure, convenient to replace and high in universality, a rack of a gear and rack driving system on the large gear and rack climbing type ship lift can be safely and stably replaced, rack maintenance work of the large gear and rack climbing type ship lift is guaranteed, and therefore it is guaranteed that the ship lift safely runs for a long time.

The utility model discloses a signal detection device for an anti-collision plunger latch oil cylinder of a ship lift chamber. The signal detection device comprises a mounting bracket, a fixed part, a guide part, a gas spring, a sliding block and a detection part, the fixing part and the guide part are respectively arranged on the mounting bracket, the fixing part is used for fixing the gas spring, the sliding block is arranged on a telescopic rod of the gas spring, the detection parts are respectively arranged on two sides of the sliding block, and a trigger piece is arranged on the sliding block; the detection part is used for detecting the upper limit position and the lower limit position of the sliding block at a preset position, and the guide part is used for guiding the sliding block; a telescopic rod of the gas spring abuts against a piston rod of the plunger latch oil cylinder. According to the scheme, the problems that a built-in stroke sensor cannot be installed on the plunger latch oil cylinder and the piston rod is arranged in equipment and cannot be detected to be in place through a conventional method are solved, the reliability of connection or separation of the truss and the steel wire rope can be ensured by accurately detecting the in-place action condition of the plunger latch oil cylinder, and safe operation of ship lift equipment is ensured.

The invention discloses a screw-out device and method for a short screw of a gear rack climbing type ship lift, and the screw-out device comprises an upper guide assembly, a tower top bridge crane, a lower guide assembly, a lower slewing bearing, a module driving assembly, a distance measuring assembly and a gap monitoring assembly, the upper guide assembly comprises an upper guide frame, a lifting lug connected with the lifting end of a tower top bridge crane is arranged on the upper guide frame, the lower guide assembly comprises a lower guide frame, the upper guide frame and the lower guide frame are connected to the short screw through an upper slewing bearing and a lower slewing bearing respectively, and the lower slewing bearing is provided with outer teeth. The module driving assembly comprises a gear engaged with the outer teeth and a joint module used for driving the gear to rotate. According to the device, in the process that the tower top bridge crane lifts the short screw, the joint module can drive the short screw to rotate, and the short screw can be safely screwed out through the distance measuring assembly, the gap monitoring assembly and the electric control system, so that the short screw can be independently overhauled and maintained.

A ship lift safety mechanism gap adjustment method and a ship lift safety mechanism turning method, first require to disconnect the connection between the ship compartment attitude driving point reducer and the synchronous shaft which needs to be adjusted, and then reinstall the synchronous shaft after adjusting the ship compartment to the horizontal state. Then, the adjustment direction is determined by measuring the gap value of the upper and lower ends of the safety mechanism screw pair. Subsequently, the driving universal coupling of the safety mechanism is removed, and the specially designed ship lift safety mechanism gap adjustment device is connected and fixed with the upper rotary support disc of the safety mechanism. By manually rotating the device, the upper and lower gap values of the safety mechanism screw pair can be selectively increased or decreased until the preset standard is met. Finally, after confirming that the gap adjustment meets the standard, the driving universal coupling of the safety mechanism is reassembled to restore the normal operation of the ship lift. The present application not only improves the safety and reliability of the ship lift, but also simplifies the maintenance process and reduces the operation difficulty.

The application discloses a ship lock of ship lift anti-collision locking latch oil cylinder signal detection device and method, which comprises a mounting bracket, a fixing part, a guide part, a gas spring, a sliding block and a detection part. The fixing part and the guide part are arranged on the mounting bracket respectively. The fixing part is used for fixing the gas spring. The sliding block is arranged on the telescopic rod of the gas spring. The detection part is arranged on both sides of the sliding block and a trigger is arranged on the sliding block. The detection part detects the upper and lower limit positions of the sliding block at the predetermined position. The guide part is used for guiding the sliding block. The telescopic rod of the gas spring is in contact with the piston rod of the locking latch oil cylinder. The scheme solves the problems that the locking latch oil cylinder cannot be installed with a built-in stroke sensor and the piston rod arranged in the equipment cannot be detected through a conventional method. The action of the locking latch oil cylinder to the position can be accurately detected to ensure the reliability of the truss and the steel wire rope connection or separation, and the safe operation of the ship lift equipment is ensured.

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.

The driving device of the ship lift lock head working door comprises a door leaf and a lock head structure, supporting assemblies are symmetrically arranged on the two sides of the lock head structure, supporting sealing sets are arranged on wall plates on the two sides of a lock head, one end of a spline shaft is connected with the supporting assemblies, and the other end of the spline shaft penetrates through the supporting sealing sets and extends to the outer sides of the wall plates. Lug plate assemblies are symmetrically and fixedly arranged at the bottom of the gate leaf and connected with the spline shaft, the first end of the crank arm is connected with the end, located on the outer side of the wall plate, of the spline shaft, one end of the hydraulic oil cylinder is hinged to the hydraulic oil cylinder support, the other end of the hydraulic oil cylinder is hinged to the second end of the crank arm, and the hydraulic oil cylinder is in signal connection with the controller. The driving device solves the technical problems that an existing driving device is complex in structure and inconvenient to maintain, and the technical effects that the structure is simple, maintenance is convenient, and the reliability of long-term operation of a gate is ensured are 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 invention relates to the technical field of ship lifters, and particularly discloses a ship lift counterweight system steel wire rope assembling and disassembling system and method.The ship lift counterweight system steel wire rope assembling and disassembling system comprises an auxiliary rope winding and unwinding device arranged on the same side with a counterweight system and provided with an auxiliary rope and a rope winding and unwinding device installed on a ship reception chamber; the auxiliary rope take-up and pay-off device is mounted on a supporting platform for mounting a guide pulley block; when the steel wire rope is detached, the auxiliary rope is connected with the steel wire rope, the other end of the steel wire rope is connected with the rope winding and unwinding device, the auxiliary rope is wound off through the auxiliary rope winding and unwinding device, and meanwhile the steel wire rope is wound off through the rope winding and unwinding device. When the steel wire rope is installed, the auxiliary rope is wound around the guide pulley block to be connected with a new steel wire rope wound on the rope winding and unwinding device, the auxiliary rope is wound through the auxiliary rope winding and unwinding device, and meanwhile the new steel wire rope is unwound through the rope winding and unwinding device. The ship lift counterweight system steel wire rope quick dismounting device effectively realizes quick dismounting of the ship lift counterweight system steel wire rope, ensures normal and stable operation of the counterweight system, and effectively avoids the phenomenon of rope slipping.

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.

This invention discloses a multi-compartment super ship lift, relating to the field of navigation technology for river water conservancy projects. It includes a lifting tower with an internal lifting channel and bridge compartments within the lifting channel. Several fixed pulleys are arranged on both sides of the lifting channel at the upper part of the lifting tower, aligned along the ship's entry and exit direction. Each pulley is connected to a steel wire rope, one end of which is connected to the bridge compartment via a bridge compartment gravity sensor, and the other end is connected to a counterweight via a balance weight sensor electronic crane scale. Chain lifting drives are installed inside both sides of the bridge compartments, with gears meshing with the chains. At least two parallel bridge compartments are arranged on the same navigation facility axis within the lifting tower. The bridge compartments are connected to each other via a bridge compartment docking compartment and a watertight compartment, and the waterway is controlled by a tilting door. Compared with existing technologies, this invention enables simultaneous navigation of multiple ships in multiple compartments, offering advantages such as small land area occupation, low investment, low energy consumption, and high navigation efficiency.

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.

A guiding device of a gravity balance chain for a ship lift comprises at least two guiding device bodies, the guiding device bodies are installed at the corners of the balance chain, and the guiding device bodies are used for assisting the balance chain in turning. The guiding device body comprises a support, bearing seats are installed on the support, a roller is arranged between every two bearing seats, and a buffer block is arranged on each roller and used for making contact with a balance chain. The balance chain guiding device is simple in composition structure, convenient to operate and use and capable of efficiently and rapidly guiding the balance chain device and meeting the requirements in the running process.

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.

The utility model relates to the technical field of ship lifts, in particular to a ship anti-collision device which comprises a fence mechanism, the fence mechanism comprises a transverse frame matched with the interior of a ship reception chamber in shape, a plurality of separation frames are arranged in the transverse frame and divide the interior of the transverse frame into a plurality of areas, light sources are arranged at the upper ends of the areas, and light sources are arranged at the lower ends of the areas. A buffer assembly is arranged at the inner edge of the area; the lifting mechanism comprises a vertically-arranged lead screw, the transverse frame is arranged on the lead screw in a penetrating mode through threaded connection, and a motor is arranged at the top end of the lead screw; the transverse frame and the separation frame around the area block the ship, then the ship is limited in the area, in the actual use process, division of the inner area of the ship reception chamber can be effectively achieved, positioning operation of the ship is facilitated, and then the purpose of preventing the ships from colliding is achieved.

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 present invention discloses a high-lift matrix rack and pinion ship lift navigation facility, comprising two identical rack and pinion ship lift routes connected in parallel, each of which can operate independently. Each ship lift route comprises an upper lock working door and an upper lock opening and closing machine, a cabin chamber, a lower lock working door and a lower lock opening and closing machine. During the docking process of any ship lift route with the upstream and downstream locks, the gap between the ship holding compartments of the two rack and pinion ship lifts on the same line is pushed out through a U-shaped sealing frame at the end of the ship holding compartment on one side, and is tightly sealed against the vertical stop level surface at the end of the ship holding compartment on the other side. By opening the cabin doors at both ends of the ship holding compartment, the water areas of the two ship holding compartments are connected, thereby allowing two ships to successively enter the water areas of the two serially arranged ship holding compartments, thereby realizing the serial lifting and lowering operation of the two ship lifts. The present invention can meet the needs of larger ship passing scales and higher navigation heads, reduce operating costs, and improve navigation efficiency.