72results about "Vessel ports" patented technology

A gate system for a pontoon boat is provided. The gate system may comprise a gate, a guide, and a guide interface member.

The invention relates to the technical field of ship assembly, in particular to a roll-on-roll-off ship side door mounting method which comprises the steps of marking a datum line of a door plate, determining the position of a first hinge eye plate and checking and adjusting the first hinge eye plate. The perpendicularity of the first hinge eye plate, the position of the first hinge eye plate and the concentricity between shaft holes of the first hinge eye plate of the multiple sets of hinge structures are checked, the first hinge eye plate and the door plate are welded, the datum line of the door frame is marked, the position of the second hinge eye plate is determined, and the second hinge eye plate is checked and adjusted; the perpendicularity of the second hinge eye plates, the positions of shaft holes of the second hinge eye plates and the concentricity of the shaft holes of the second hinge eye plates of the multiple sets of hinge structures are checked, the second hinge eye plates and the door frame are welded, the door plate is hoisted to the door frame, the first hinge eye plates and the second hinge eye plates are aligned, and bolts are installed. According to the roll-on-roll-off ship side door mounting method, the hoisting frequency is reduced, the assembling time is shortened, and the side door assembling efficiency is improved.

A gate system for a pontoon boat is provided. The gate system may comprise a gate, a guide, and a guide interface member.

The present invention relates to the technical field of watertight doors, specifically a marine stable watertight hydraulic door, which includes a door panel and a door frame hinged to one end of the door panel. A square tube frame is fixed on one side of the door panel. After the door is closed, the square tube frame and the door frame are in sealing contact, and a plurality of bolt fixtures are connected between the door frame and the square tube frame. The bolt fixtures are arranged on the square tube frame and elastically snap into the grooves opened on the door frame. A bolt rack is in contact with the side of the door frame facing away from the square tube frame. The watertight door of the present invention has a normal mode, a watertight mode, and a fireproof mode. In the fireproof mode, the watertight door cannot be easily opened, and the crew cannot push the handle L bar without knowing the fire situation. In this way, the crew can know that there is a fire on the other side of the door and avoid the safety problem of the fire spreading outward after opening the door.

The marine weather tight door comprises a door frame, a door plate and a driving assembly, the door plate is rotationally connected to the door frame, multiple sets of sealing blocks are slidably connected to the door plate, a matching groove capable of being matched with the door plate is formed in the door frame, sealing grooves capable of being matched with the multiple sets of sealing blocks are formed in the door frame, and a first abutting frame is arranged on the door frame; the driving assembly is used for driving the multiple sets of sealing blocks to slide, when the door plate rotates to abut against the first abutting frame, the door frame is matched with the matching groove, and the multiple sets of sealing blocks can be matched with the corresponding sealing grooves correspondingly. The driving assembly drives the multiple sets of sealing blocks to move, and when the multiple sets of sealing blocks are matched with the sealing grooves, the sealing performance of the weather tight door is improved through a labyrinth sealing method, and the possibility that rainwater enters a room through door cracks is reduced; and when the multiple sets of sealing blocks are matched with the corresponding sealing grooves, the position of the door plate on the door frame is limited, and the possibility that the weather tight door shakes when strong wind blows is reduced.

The utility model discloses a life raft bulwark side door combination device which comprises a ship deck, two bulwarks are fixedly connected to the upper side of the ship deck, a ship bulwark side door is arranged between the bulwarks, a turnover structure is arranged on the outer side of each bulwark, and the turnover structures are connected with the ship bulwark side door. A seat frame structure and a force return structure are arranged on the upper side of the ship deck, and an inverted rod structure, a limiting structure, a hydrostatic pressure releaser and a movable rod are arranged on the outer side of the seat frame structure. Through the arrangement of the overturning structure and the force return structure, the ship side door is controlled to be overturned through the safety pin, the ship side door in a tightened state after assembly is flush with the bulwark outer wall, the situation that the ship side door is accidentally released without human action is prevented, meanwhile, time and labor are saved when a worker releases and recycles the ship side door through the safety pin, and the safety of the ship side door is improved. Therefore, the ship side port is easy to reset.

The invention provides a marine upturning type weather tight door. The marine upturning type weather tight door comprises a door frame, a door plate assembly, a side hinge assembly, a lower door plate driving device and a cabin door driving device. The door plate assembly comprises a left side door plate assembly and a right side door plate assembly, the left side door plate assembly comprises a left upper door plate and a left lower door plate which are connected through a first connecting hinge, and the right side door plate assembly comprises a right upper door plate and a right lower door plate which are connected through a second connecting hinge; the side hinge assembly comprises a left side hinge and a right side hinge which are correspondingly arranged on the two sides of the door plate assembly respectively, one end of the left side hinge and one end of the right side hinge are fixed to the side edges of the upper left door plate and the upper right door plate respectively, and the other ends of the left side hinge and the right side hinge are rotatably fixed to the corresponding positions of the door frame. And the lower door plate driving device is arranged between the upper door plate and the lower door plate.

The present application discloses a side loading system, including a cargo hold opening and closing assembly and a telescopic load-bearing assembly. The telescopic load-bearing assembly includes a transverse frame located at a corresponding position on the cabin top, a power unit for driving the transverse frame, and a load-bearing unit fixedly arranged on the transverse frame. In an embodiment of the present application, the above-mentioned side loading system is adopted. The porthole has two working modes when opened: upper opening and lower opening. In the lower opening state, the porthole can be used as a temporary loading platform for cargo. In the upper opening state, an open water space can be provided at the side plate for floating cargo. When the transversely movable transverse frame drives the load-bearing unit to move to the corresponding position of the cargo, the cargo can be hoisted by a steel wire rope, and the lifting and translation operations of the cargo can be realized by the cooperation of the transverse frame and the electric winch assembly. Compared with the side-swing and elevator loading and unloading systems, it has the characteristics of simple structure, high reliability and applicability.

The utility model discloses a smooth running transition mechanism for a stern door and a fixed ramp of a roll-on-roll-off ship, which comprises a transition mechanism body and a guide mechanism, one end of the transition mechanism body is rotatably connected with the stern door, and the other end of the transition mechanism body is lapped on the fixed ramp when the transition mechanism is used. The guide mechanism is fixed to the end, close to the stern door, of the fixed ramp, an inclined section is arranged on the lower end face of the transition mechanism body, the inclined section inclines downwards relative to the upper end face of the transition mechanism body from the end, close to one side of the fixed ramp, of the lower end face, and a sliding mechanism is arranged on the inclined section. The upper end face of the guide mechanism is an inclined face which inclines downwards relative to the horizontal plane from the end of the side, close to the stern door, of the fixed ramp, and the sliding mechanism slides on the guide mechanism. The smooth running transition mechanism for the stern door and the fixed ramp of the roll-on-roll-off ship can meet the requirements of smooth running, rolling storage and convenient maintenance at the same time.

The invention discloses a PCTC stern door hinge boring stay wire adjusting device which comprises a base, the base is connected with a panel, the panel is provided with a steel wire clamping groove, the front side wall of the panel is connected with a support, the side wall of the support is connected with a Newton tension device, the Newton tension device is provided with a steel wire rope body, and the steel wire rope body is connected with the panel. A steel wire rope fastening lock is installed on the steel wire rope body, the steel wire rope body penetrates through the steel wire clamping groove, an installation mechanism is arranged on the panel, a first adjusting mechanism is arranged on the installation mechanism, and a second adjusting mechanism is arranged on the first adjusting mechanism. The driving screw is rotated to drive the rotating shaft to rotate and simultaneously drive the rotating shaft to horizontally move, the rotating shaft drives the top plate to horizontally move, and the top plate drives the supporting rod to horizontally move, so that the two oppositely distributed grooves can clamp the steel wire rope body to move left and right, and the effect of conveniently adjusting the position of the steel wire rope body is achieved.

The invention provides a ship composite material weather tight door. The ship composite material weather tight door comprises a door frame, a door plate structure and a locking piece. The door frame is of a rectangular frame type structure and used for being fixedly connected with a cabin wall. The door plate structure is connected into the door frame through hinges. The door plate structure sequentially comprises an upper panel, a grating sandwich structure and a lower panel in the thickness direction. The upper panel and the lower panel are both made of a predetermined composite material; the predetermined composite material at least comprises a fiber reinforcement and a flame-retardant resin matrix; the locking piece is used for locking the door plate structure and the door frame when the door plate structure rotates into the door frame. On the basis of guaranteeing the tightness and strength of the weather tight door, the weight is greatly reduced, meanwhile, the weather tight door has the functional characteristics of being high in corrosion resistance, excellent in mechanical property, good in fatigue resistance and the like, the weather tight door is lighter, and the operability of the weather tight door in the opening and closing process and the maneuverability of a ship are improved.

The invention relates to the technical field of unmanned surface vehicles, in particular to a butt joint structure of a wireless charging unmanned surface vehicle and the unmanned surface vehicle, the butt joint structure comprises a hemispherical shell, and the opening end of the hemispherical shell is provided with a tangent plane; the rotating shaft is arranged on the outer wall of the hemispherical shell, and the axis of the rotating shaft is located in the tangent plane and penetrates through the sphere center of the hemispherical shell. A butt joint structure is designed to be a hemispherical shell and is integrated at the tail of the boat body, and a traditional externally-arranged trumpet-shaped butt joint device which is abrupt in shape is replaced. According to the unmanned ship, the water flow can be effectively guided, the water resistance of the unmanned ship during sailing is remarkably reduced, and therefore the cruising ability is improved, through arrangement of a lifting plate, when the unmanned ship needs to release the unmanned aerial vehicle in the unmanned ship, the lifting plate is made to be horizontal by rotating a hemispherical shell, and the unmanned aerial vehicle in the unmanned ship is lifted; therefore, a lifting platform is provided for the unmanned aerial vehicle at the tail of the boat body, and the unmanned aerial vehicle can fly and recover conveniently.

The utility model discloses a law enforcement yacht collecting and releasing device, belongs to the technical field of ships, and solves the problem that an existing yacht collecting and releasing device is unstable in the collecting and releasing process. The ship stern door storage device comprises a stern door and a storage cavity and further comprises a control system, the stern door is hinged to the tail, at one end of the storage cavity, of a ship stern cabin, first hydraulic cylinders are arranged between the two sides of the stern door and the ship stern cabin, and a winch is installed at the end, away from the stern door, of the ship stern cabin; a plurality of bottom supporting rollers, first side face supporting rollers and second side face supporting rollers are rotationally mounted on the bottom face of the storage cavity and the top face of the tail door correspondingly, and the two first side face supporting rollers are arranged on the two sides of each bottom supporting roller correspondingly; a second side face supporting roller is arranged on the side, away from the bottom supporting roller, of each first side face supporting roller. According to the folding and unfolding device, the speed boat can be stably folded and unfolded in the stern compartment of the ship, and the speed boat is effectively protected.

The utility model belongs to the technical field of ship windows, and particularly relates to an inward-opening side hinge aluminum rectangular window with a storm cover. Comprising a frame body, a storm cover, a positioning seat, a positioning pin, a fixing pin and a window, the storm cover and the window are hinged to the side wall of the frame body, the positioning seat is fixed to the side wall of the storm cover, the positioning pin is fixed to the other side wall of the frame body, and a slidable fixing pin is installed on the same side of the positioning pin. In actual application, the window and the storm cover are hinged to the side wall of the frame body at the same time, interference generated when the storm cover and the window are opened in the same direction is avoided, and the rainwater-proof effect of the ship window is guaranteed through the arrangement of the storm cover.

The utility model provides a marine fireproof door, which relates to the field of marine fireproof doors and comprises a fireproof door component, the fireproof door component comprises a door frame, a door plate and a hinge, the door frame is hinged with the door plate through the hinge, and a control component and a spray component are mounted on the surface of the door plate. The control assembly comprises a control host, an electric door closer, an infrared sensor and a smoke sensor, the control assembly is used for controlling the door plate to be opened and closed, and the spraying assembly comprises a water tank, a water pump, a communicating pipe, a flow dividing pipe, a spraying head, a water supplementing pipe and a liquid level meter; by arranging the control assembly and the spraying assembly, the effect of diluting gathered smoke when a fire disaster occurs is achieved, the control assembly is used for automatically opening a door and detecting the fire disaster, and through cooperation of the water tank, the water pump, the communicating pipe, the flow dividing pipe, the spray head, the water supplementing pipe and the liquid level meter, the fire disaster can be automatically detected. And water mist can be sprayed to dilute smoke when a fire disaster occurs, so that the using effect of the fireproof door is improved.

The utility model provides an aluminum alloy glass door for a ship, which relates to the field of aluminum alloy glass doors for ships and comprises a door assembly, the door assembly comprises a door frame, a door frame and center control glass, the center control glass is embedded in an inner cavity of the door frame, the door frame is located on one side of the door frame, a suspension assembly is installed at the upper end of one side of the door frame, and the center control glass is embedded in an inner cavity of the door frame. The suspension assembly is used for opening and closing a door frame and comprises a guide plate, and buffering assemblies are installed at the two ends of the bottom of the guide plate and used for buffering the door frame. By arranging the suspension assembly, the door frame can be supported and moved, so that the door frame can be conveniently used, by arranging the buffer assembly, the impact force generated when the door frame collides can be buffered, the impact force can be effectively absorbed, the loss generated when the door frame collides can be reduced, the noise generated when the door frame collides can be reduced, and the service life of the door frame can be prolonged. And the service life of the aluminum alloy glass door can be effectively prolonged by relieving collision.

This invention belongs to the field of security door technology and discloses a marine fireproof and anti-theft dual-purpose security door, including a door frame and a wall. A slide rail is fixedly connected to the side of the door frame, and a first door panel assembly is slidably connected inside the slide rail. A second door panel assembly is movably connected inside the first door panel assembly, and a fixing component is provided inside the first door panel assembly. This invention improves the overall stability and fire resistance of the door panel by setting up the cooperation of the first door panel assembly and the second door panel assembly. By setting up the first door panel body and the second door panel body, multiple buffer spaces are provided, so that the overall temperature of the door body will not rise synchronously in the event of a fire. By setting up the fixing component and the cooperation of the fixing component, it is easy to fix the first door panel body to the door frame, which can enhance the stability and fire resistance of the door panel. The sliding linkage is moved on both sides by the support frame.

A material-actuated door includes a door housing including a flexible material; and one or more least one Shape Memory Alloy (SMA) actuators embedded in the door housing. Each SMA actuator is elastically biased in a first actuator physical state and is configured to transition into a second actuator physical state in response to receiving electrical current. The material-actuated door is transitioned into a first door position in response to disconnecting the electrical current to the at least one SMA actuator, and is transitioned into a second door position in response to delivering the electrical current to the at least one SMA actuator.

The present application relates to the technical field of ship aluminum alloy forging die casting, and specifically discloses a die casting device for ship aluminum alloy forging, which comprises a die casting device, a shaping device and a suction device. The die casting device can be used for die casting molten aluminum alloy. The shaping device is arranged in the middle part of the die casting device and extends upward by a part. The shaping device can cooperate with the die casting device to shape and flatten the top of the semi-solid aluminum alloy. The suction device is arranged in the middle right end center of the die casting device. The suction device can suck the exhaust gas in the cavity of the die casting device. The suction device can also cooperate with the shaping device to suck the exhaust gas in the secondary cavity, and improve the quality of the aluminum alloy forging. The double exhaust gas suction solves the problem of air holes in the finished product, the precise shaping is realized through collaborative design, the stable die casting is ensured through the multi-structure reinforced sealing, and the quality, size precision and durability of the ship aluminum alloy porthole frame finished product are significantly improved.

The utility model discloses a kind of breeding auxiliary ship bulwark door structure, comprising: bulwark door body and for shielding deck upper stair passage upper part of shielding deck, the first hinged component for being hinged with bulwark is provided at the right side of the bulwark door body, left side is provided with door locking assembly, the shielding deck is located at the front side of the bulwark door body, and its rear end is hinged between the lower end of bulwark door body by second hinged component, the shielding deck can be made to adhere to the front side of bulwark door body by overturning.Using the above technical solution, the import and export position of bulwark door body is installed on the bulwark, and the bulwark is hinged through the first hinged component, the door is closed, and the bulwark door body is kept closed by the door locking assembly, and the upper part of the stair passage on the deck is shielded by turning over the shielding deck, so that the crew working on the deck next to the bulwark can be prevented from falling into the stair passage, ensuring the safety of the crew.

The invention provides a light marine bulwark door, and relates to the technical field of ocean engineering, the marine bulwark door is adaptively mounted on an obliquely arranged bulwark and comprises double bulwark doors, each bulwark door is hinged to the bulwark, each bulwark door comprises an obliquely arranged door plate, and the top end and the bottom end of each door plate are arranged in a state of obliquely extending towards the outside of a ship; a flanged plate is fixedly arranged on the side edge, close to the bulwark, of each door plate, and the flanged plates are hinged to the adjacent bulwark. The bulwark door is easy to manufacture and convenient to operate, the flanged plates are arranged on the side edges of the door plates, the flanged plates are hinged to the connecting plates fixedly welded to the bulwark, meanwhile, the inclination angle of the bulwark door and the inclination angle of the bulwark are kept consistent, when the bulwark door is horizontally opened, opening and closing of the bulwark door are kept at the same height all the time, and the bulwark door is not prone to falling off. The bulwark door and the bulwark are more harmonious and attractive in connection, and equipment throwing is more convenient.

The marine vessel includes a ship and a pair of flaps. The ship includes a ship bottom, a stern end face rising from an end portion of the ship bottom on a stern side, and a stern opening formed in the stern end face. The pair of flaps are provided, at the stern end face, separated from each other in a ship width direction while avoiding the stern opening.

The invention discloses a lapped springboard device used as a bow door. The lapped springboard device comprises a bow springboard structure, a diagonal draw bar, a sealing device door frame, a lapping board, a ship connecting hinge, a hoisting mechanism, a fastening device and a locking device. One end of the bow springboard structure is connected with the hull through a ship connecting hinge; the other end of the bow springboard structure is connected with the ship body through a diagonal draw bar in an unfolded state; the hoisting mechanism is arranged on the ship body and used for pulling the bow springboard structure to rotate around the ship connecting hinge to achieve unfolding and folding. One end of the lapping plate is hinged with the ship body, and the other end is lapped on the bow springboard structure for overcoming a gap between the ship body and the bow springboard structure; the sealing device door frame is fixedly connected to the end face of the ship body, when the bow springboard structure is in a locked state, the bow springboard structure is fixed to the ship body through the locking device and the fastening device to serve as a bow door, and the bow springboard structure is pressed on the sealing device door frame to achieve sealing. According to the invention, the lap joint load and the passing load can be effectively borne, so that the lap joint lightering operation under the marine environment is realized.

The application belongs to the technical field of ship accessories, and particularly relates to an integrated hydraulic door which comprises a door frame, guide rails fixed to the top and bottom of one side of the door frame, a door plate slidingly connected between the two guide rails, two groups of positioning rollers rotatably connected to one side of the door plate, the positioning rollers being rollingly connected to the outside of the guide rails, a pair of proximity sensors installed below the guide rails at the top, the two proximity sensors being arranged on the two sides of the door plate, a pair of connecting arms fixed to one side of the door plate, hydraulic cylinders installed at the top and bottom of the side of the door frame close to the door plate, and output shafts of the hydraulic cylinders being rotatably connected to the connecting arms; the side of the door plate close to the door frame is provided with a mounting groove, a sealing strip is installed in the mounting groove, and an inflation assembly is arranged in the door plate; the inside of a first inflation cylinder is inflated to the inside of the sealing strip by pressing a first push rod downwards, so that the sealing strip expands from the inside to the outside of the mounting groove, the gap between the door plate and the door frame can be filled, and the sealing between the door frame and the door plate is realized automatically.

The utility model discloses a steel door with a blind window cover. The steel door comprises a steel door body, a blind window assembly, the blind window cover, a window cover hinge and a blind window locking assembly. The shutter locking assembly comprises a screw rod, a wing-shaped nut and a pressing plate, the pressing plate is welded to the shutter cover, the pressing plate is provided with a protruding part protruding out of the shutter cover, the protruding part is provided with a U-shaped notch allowing the screw rod to be clamped in, and the screw rod is rotatably connected to the surrounding opening of the shutter assembly; the wing-shaped nut is in threaded connection with the screw rod and can press the screw rod on the U-shaped notch, the tail end of the protruding part is provided with a screw rod limiting edge which is bent towards the side away from the shutter assembly, and the screw rod limiting edge can abut against the wing-shaped nut. According to the utility model, the in-out requirement of the cabin can be met, the ventilation requirement of the cabin can be met, the layout of the cabin can be optimized, and the opening and closing requirements of the part of the cabin with limited space on the shutter cover can be met.

The utility model relates to a mooring gangway structure applied to double curved surfaces. Comprising a door frame structure, the door frame structure comprises a frame body, a first channel is formed in the center of the frame body, and the frame body is installed in the side door installation opening; the outer plate is mounted on the inner wall of the side door mounting opening of the frame body, and a second channel communicated with the first channel is formed in the middle of the outer plate; the door plate is arranged on the outer side of the outer plate and hinged to the door frame structure, and a pull rod oil cylinder is further arranged between the door plate and the door frame structure. According to the structure, the site construction difficulty can be reduced, stress concentration and welding deformation can be controlled, large deformation caused by stress concentration in the installation process is avoided, the installation difficulty and the modification amount are reduced, the one-time success rate of curved surface installation is improved, the cost is saved, the installation quality is guaranteed, and efficient installation of a curved surface structure side door is met; and welding deformation, modification amount and on-site construction difficulty are reduced.

System (10) for the complete closure of a door of a ship's hold, for storing at least one tender or the like, wherein said system comprises: - a door, provided in a wall of the ship's hold, having a perimeter seal and closed at least partially by means of at least one hatch (S), and a part of deck forming the ceiling of the hold; - a horizontal translation system for moving the tender with respect to said ship's hold, wherein said system comprises at least one translator-elevator device, configured to move in a vertical direction and translate in horizontal direction at least one tender and including: - support and guide means (12), fixed with respect to the ceiling of the hold; - carriage means (11), which support said at least one hatch (S) at a first end (11.1) and which are supported movable with respect to said support and guide means (12), according to a direction parallel with respect to a vertical mid-plane of said door, between a first operating arrangement, in which said first end (11.1) of said carriage means (11) is arranged inside said hold and said at least one hatch (S) at least partially closes said door, and a second operating position, in which said first end (11.1) of said carriage means (11) is extended through said door to the outside of said hold and said door is open, wherein: - said carriage means (11) are moved by means of electromechanical actuator means, comprising at least one electric gear motor assembly (13), and are configured so that, once the gear motor assembly (13) has stopped and the hatch (S) has been closed, the complete closure of the hatch (S) is irreversible by means of the insertion of electromechanical shutters into corresponding seats positioned around the perimeter of the door and which act on said hatch (S), so that the action of the shutters moves the hatch (S), so that it compresses the seal, while the carriage means (11) must still return completely inside the hold, carrying out a return stroke to close the hatch (S) determined by the insertion of the shutters into the respective seats; characterized in that said electric gear motor assembly (13) is mounted on an arrangement (14) of sliding means with spring-assisted return, which allow said carriage means (11) to move and carry out said return movement.

The utility model relates to a novel ship porthole based on a transparent screen, and the novel ship porthole comprises porthole glass which is provided with a first surface facing the outer side of a cabin and an opposite second surface facing the inner side of the cabin; the transparent screen is attached to the second side of the porthole glass and is provided with an information display area; the touch screen is attached to the transparent screen, faces the inner side of the cabin and is provided with a touch area; and the adhesive layers are arranged on the second surface of the porthole glass and between the transparent screen and the touch screen and are used for bonding the transparent screen and the touch screen. A traditional glass window of a ship cab is upgraded on the basis of the transparent screen, the transparent screen and the touch screen are integrated on the basis that the functions of the traditional glass window are kept, the display function and the man-machine interaction function are added, the existing structure and layout do not need to be changed during upgrading and rebuilding, and in-situ replacement can be carried out. The upgraded porthole has the following advantages that when the ship sails, the situation and navigation information can be displayed through the porthole, and the needed information can be obtained without lowering the head to check the display equipment.

The present invention discloses a stern gate device and a design method suitable for retracting and extending the stern slide of large boats and ships. The stern gate device includes a port door body structure and a starboard door body structure. The port door body structure and the starboard door body structure have multi-link locking pins that cooperate with the pin seat on the hull structure. The port door body structure and the starboard door body structure are respectively provided with an inter-door body sealing structure and an inter-door body sealing groove. When the stern gate device is closed, the inter-door body sealing structure presses against the inter-door body sealing strip in the inter-door body sealing groove. The design method is as follows: determine the type of the stern gate device; clarify the load input of the stern gate device under various operating scenarios; calculate the push-pull force of the stern gate device during the opening and closing process based on kinematic and dynamic simulation, and select the actuator; perform finite element numerical simulation based on the preliminary plan of the stern gate device, and optimize the design of the stern gate device. The present invention can provide a larger entry and exit space for large boat equipment during the process of retracting and deploying the stern slideway, and can also provide shielding and weatherproofing for the stern cabin section.