53results about "Davits" patented technology

An inflatable carrier includes an inflatable main body, a foldable supporting device connected to the inflatable main body, and a plurality of elastic elements connected to the foldable supporting device and / or the inflatable main body. When the inflatable main body is inflated to expand, the foldable supporting device is forced to extend by the expanded inflatable main body and the elastic elements are deformed. When the inflatable main body is deflated, restoring forces of the elastic elements cause the foldable supporting device to be folded.

The present application relates to unmanned ship technical field, disclose a kind of automatic deployment and recovery system of hang-off type unmanned ship. Including: mother ship hoisting device, including hoisting steel cable, cone and first steel cable pressing block, wherein the cone is cylindrical cone transition structure, central hole is provided, hoisting steel cable passes through the center of cone, and terminal is fixedly connected with cone by first steel cable pressing block;Unmanned ship, including boat body, radar visible light integrated equipment and lifting hook, wherein radar visible light integrated equipment is used for target identification and positioning in the process of unmanned ship recovery, and lifting hook is used as the lifting point of unmanned ship, and is fixedly connected with unmanned ship;Automatic take-up device is set on unmanned ship, is connected with lifting hook, and is used for automatically capturing or releasing mother ship hoisting device.The system equipment is simple, and the universality is strong, and through the cooperation of automatic take-up device and mother ship hoisting device, the automatic unhooking problem of unmanned ship and lifting arm cable is solved, and the autonomy of unmanned ship deployment and recovery is improved.

This invention proposes a triangular-layout, angle-mounted multi-unmanned surface vessel (USV) deployment and recovery device to solve the problems of difficulty in recovering multiple USVs and the increased design complexity of the mother ship due to the recovery device. It includes a triangular pitch support frame unit mounted on the mother ship and a lifting device for receiving the USVs. The mother ship has a support, on which a rotating mechanism is mounted. A rotating platform is driven and connected to the rotating mechanism. Four rectangularly distributed hinged seats are fixedly connected to the rotating platform. Two of these hinged seats are hinged to the triangular pitch support frame unit, and the other two hinged seats are each hinged to a hydraulic rod. The telescopic ends of the hydraulic rods are hinged to the rear end of the triangular pitch support frame unit, and the hydraulic rods drive the triangular pitch support frame unit to perform pitching movements. The triangular pitch support frame unit includes an outer frame and an inner frame, with the inner frame located inside the outer frame. The outer frame includes two outer support frames and multiple support rods, and the inner frame includes two inner support frames and multiple connecting rods.

Vessel comprising means for deploying a floating dock This vessel comprising means for deploying a floating dock for implementing a boat on at least one side of the vessel and provided with a dock towing line and davits for suspending / maneuvering the dock, comprising motorized means (13, 14) for unwinding / winding cables (11, 12) for supporting the dock, is characterized in that it comprises means (15) for controlling the motorized means (13, 14) for unwinding / winding the dock support cables to maintain constant tension in them. Figure for the abstract: Figure 3

The invention relates to a high-seaworthiness separable pentamaran and a working method thereof. A high-seaworthiness separable pentamaran comprises a mother ship, two sub-ship pairs are arranged on the mother ship, and a single sub-ship pair comprises two sub-ships which are symmetrically arranged relative to the mother ship; the deck of the mother ship extends towards the two sides respectively to form symmetrical connecting bridges, the bottoms of the two connecting bridges are each provided with at least one containing groove, the containing grooves and the son ships are arranged in a one-to-one correspondence mode, and a connecting module is installed in each containing groove in a matched mode. The single sub-ships are connected into the corresponding containing grooves through the connecting modules, or the single sub-ships are separated from the corresponding containing grooves through the connecting modules. By arranging the separable mother ship and the multiple pairs of son ships, the interisland transportation requirement can be met based on multiple modes, adaptability is high, seakeeping performance is good, sailing can be conducted under the high sea condition, and therefore the interisland transportation efficiency is effectively improved.

The invention discloses a stable connecting rod type ship boat lifting frame, and relates to the technical field of ship boat lifting frames, the stable connecting rod type ship boat lifting frame comprises a rack, the rack is used for stably supporting a ship, supporting seats are rotatably mounted at the two ends of the bottom of the rack respectively, and two elevated frames are mounted at the top of the rack; a motor is fixedly mounted between the opposite surfaces of the two elevated frames, and a rotating shaft is rotationally mounted at the top of each elevated frame; and a stable supporting assembly. According to the stable connecting rod type ship boat lifting frame, a worker starts a motor to enable the motor to drive a belt pulley to rotate, at the moment, a steel cable rotates on a rotating shaft to pull and lift a boat upwards, and at the moment, the front end of the boat makes contact with an end plate, so that the bottom of the boat slides along the end plate when the boat is lifted, and friction is generated between the boat and a supporting pad; due to the fact that the bottom of the small boat is of the arc-shaped structure and is matched with the supporting pad when the small boat is hoisted and slides, the bottom of the small boat slides along the supporting pad, and therefore the bottom of the small boat is guided and supported when the small boat is hoisted.

A nacelle-mounted multiple-appliance lift system has a first lifting appliance and a second lifting appliance mounted in a nacelle of a wind turbine. The first and second lifting appliances are each mounted on main bearing housing securements, gearbox pillow blocks, or both the main bearing housing securements and the gearbox pillow blocks. The first and second lifting appliances share one or both of the main bearing housing securements and the gearbox pillow blocks.

A retractable davit assembly includes a davit arm (20) that retracts into a davit arm channel (22) formed within the internal volume of a deck (24) of the superstructure (16) of a yacht (10) or other vessel. An outer end of the davit arm (20) includes a fairing (44) matching a profile of the surrounding outer edge of the deck (44), such that the davit arm (20) is concealed when retracted.

The present invention provides a lifeboat hoisting device in a luxury yacht, which includes a moving beam. An installation groove along the axial direction of the yacht is provided on the flying bridge of the luxury yacht from the rear end forward. The moving beam can move back and forth along the installation groove and is telescopically arranged in the flying bridge of the yacht. When the lifeboat hoisting operation is not carried out, the moving beam can be hidden in the flying bridge. By adopting a cable system for force reduction transmission, the lifeboat hoisting operation has low noise and is stable. Compared with a sectional telescopic arm, the movement is precise. Through the cable threading route of the present invention, it can not only achieve force reduction transmission, but also occupy less space. It can be arranged beside the moving beam, hidden in the flying bridge, and has a low motor power requirement, being suitable for operation in the flying bridge.

An anti-swing gunwale rotary retracting and releasing device comprises a base arranged on a deck, a rotary support arranged on the base, a rotary driving device for driving the rotary support to rotate relative to the base, a suspension arm connected to the rotary support, a corner pulley arranged on the suspension arm and a head pulley arranged on the front portion of the extension direction of the suspension arm. The anti-swing cylinder is connected to the head pulley, and the hydraulic winch is arranged on the suspension arm. According to the utility model, stable, rapid and safe ship retracting and releasing operation under a high sea condition is realized.

The embodiment of the invention provides an overturning type boarding platform which comprises eye plates arranged in groups, the bottom of each eye plate in each group of eye plates is welded to a lifeboat frame, the upper portion of each eye plate is provided with a round hole used for arranging a rotating shaft, and one rotating shaft is arranged on one group of eye plates; the platform is connected with each group of eye plates through a rotating shaft, and a reinforcing assembly for reinforcing the platform is arranged on the bottom surface of the platform; when the platform rotates relative to the rotating shaft and is in a flat state for people to land, the upper end of the platform is fixedly connected with the eye plate through the rotating shaft, and the lower part of the platform abuts against the side surface of the lifeboat frame through an arranged reinforcing assembly; and when the platform rotates relative to the rotating shaft and is folded in a turned-up state, the boarding channel is blocked, and a placement space is further reserved for the lifeboat. When the platform is in a turning-up state or a horizontal state, a safety protection effect can be achieved, the overall safety is improved, and meanwhile the influence on boat recovery is eliminated.

The invention relates to the technical field of lifeboat release, in particular to a quick release device applied to an inflatable lifeboat, which comprises a fixed mounting seat fixedly mounted on a hull deck, an upper rotating seat is movably assembled at the upper end of the fixed mounting seat, and an electric control turnover inner arm is movably mounted at the upper end of the upper rotating seat through a top frame. According to the quick release device applied to the inflatable lifeboat, the electronic control overturning structure design is adopted, the quick release device can be overturned to be perpendicular to the boat body in idle time, the structural occupation of the quick release device is greatly reduced, and the space on the boat body is increased; according to the inflatable lifeboat with the hidden structure, the inflatable lifeboat can be completely hidden and stored in the external storage cylinder body in idle time, so that the durability and the safety of the inflatable lifeboat are greatly improved, and the external space occupation is also reduced; and separation and guiding can be controlled according to release requirements through the external storage barrel body designed in a rotating mode, so that release operation is more diversified.

The invention discloses a shipborne single-arm double-lifting-point adjustable small boat folding and unfolding device, and belongs to the technical field of ships. The device comprises an arm retracting and releasing structure, a suspension arm structure and two slings, one end of the arm retracting and releasing structure is installed on a ship deck and can overhang or retract relative to a ship, the other end of the arm retracting and releasing structure is hinged to one end of the suspension arm structure, a first fixed pulley is arranged on the arm retracting and releasing structure, and one end of a sling is wound and penetrates through the first fixed pulley to be connected with a small boat; the suspension arm structure can rotate vertically, a second fixed pulley is arranged at the other end of the suspension arm structure, and one end of the other suspension cable penetrates through the second fixed pulley in a winding mode to be connected with the small boat. By rotating the suspension arm structure, the connection position of the slings penetrating through the second fixed pulley in a winding mode and the small boat can be changed, and adjustment of the suspension distance formed by the two slings is achieved. The boat lifting stability is improved, the boat lifting distance can be adjusted, and the boat lifting safety, flexibility and convenience are guaranteed.

The utility model relates to the technical field of boat hanging frames, in particular to a telescopic boat hanging frame which comprises two supports and two cross beams, the two cross beams are hinged to the supports respectively, the two cross beams are fixedly connected with triangular blocks respectively, inclined sliding grooves are formed between the triangular blocks and the supports, and the two cross beams are hinged to the supports respectively. A tray is arranged between the two supports, the tray is connected between the two sliding grooves in a sliding mode, sleeves are fixedly connected to the supports, push rods are connected into the sleeves in a sliding mode, and the ends, away from the sleeves, of the push rods are fixedly connected with the tray; the push rod can push the tray to obliquely slide upwards in the obliquely-arranged sliding groove, the ship body can be supported along with upward movement of the tray, at the moment, the ship body does not have pulling force on the pull rope any more, and therefore damage caused by the fact that the pull rope pulls the ship body for a long time can be automatically avoided.

A launch and recovery system has a first transportable assembly including a first base portion, a first upright arm coupled to the first base portion, and a first handling mechanism configured to move the first upright arm. The launch and recovery system has a second transportable assembly including a second base portion selectively couplable / uncouplable from the first base portion, a second upright arm coupled to the second base portion, and a second handling mechanism configured to move the second upright arm. The launch and recovery system has a third transportable assembly including a crossbeam mounted on the first and second upright arms, and a connecting device mounted on the crossbeam to selectively hold / release an underwater vehicle during launching and recovery.

Load lifting system (1) with a crane (2), a lifting unit (3) with two lifting ropes (31, 32) and a connectable, linkable and detachable connection unit (4), characterized in that the connection unit (4) is formed from: - to be arranged on a load (6) by force and / or form and / or material connection or A load-holding system (41) comprising a first (411) and a second A-shaped or lambda-shaped holder (412), wherein an arm of each holder (411, 412) is designed to allow movement, positioning, and / or adjustment of the holders (411, 412), the holders (411, 412) being spaced apart from each other and, in particular, being connected to each other via a crossbeam (413), and a first (414) and a second receptacle (415) being arranged on the holders (411, 412) or, if a crossbeam (413) is present, on the crossbeam (413) at equal intervals from the center of the distance between the holders (411, 412), and at least one detachable and connectable connecting element (416) being arranged on the holders (411, 412) or, if a crossbeam (413) is present, on the crossbeam (413). Crossbeam traverse (413) is arranged on the crossbeam traverse (413), and - a crossbeam support element (42) arranged on the two lifting ropes (31, 32) at their load-facing end in a force-fit and / or form-fit and / or material-fit and / or detachable manner, with a first coupling element (421) corresponding to the first receptacle (414) and a second coupling element (422) corresponding to the second receptacle (415), wherein the respective coupling element (421 / 422) can be inserted into the respective corresponding receptacle (414 / 415), wherein a stabilizing support in at least two spatial directions is enabled, and at least one load connection element (423) corresponding to the at least one connecting element (416) is arranged on the crossbeam support element (42), wherein a load-bearing connection is made via the connectable and detachable connection between connecting element (416) and load connection element (423).

A launch and recovery system has a first transportable assembly (44) comprising a first base portion (8)​, a first upright arm (10) coupled to the first base portion (8)​, and a first handling mechanism (12) configured to move the first upright arm (10)​; a second transportable assembly (45) comprising a second base portion (9)​, a second upright arm (11) coupled to the second base portion (9)​, and a second handling mechanism (13) configured to move the second upright arm (11)​; and a third transportable assembly (46) comprising a crossbeam (14) mounted on the first and second upright arms (10, 11)​, and a connecting device (16) mounted on the crossbeam (14) to selectively hold / release the underwater vehicle (2) during the launching and recovery steps; wherein the first and second base portions (8, 9) are selectively couplable / uncouplable from each other.

The invention relates to a suspension arm type AUV laying and recycling mechanism and a laying and recycling method thereof. The mechanism comprises a supporting column base, a lifting supporting column, a horizontal suspension arm of a hollow cylindrical structure, a limiting groove, an arc-shaped fixing plate, an upper shell and a lower shell. The supporting column base is of a cylindrical sleeve structure. The lifting support column is an L-shaped hollow column body, and one end of the lifting support column is vertically and downwards sleeved in the support column base; the shipboard inner side end of the horizontal suspension arm sleeves the other end of the lifting support column, and a limiting column is arranged at the shipboard outer side end; the limiting columns are clamped into the limiting grooves; the arc-shaped fixing plate is arranged below the limiting groove; the upper shell is fixed below the arc-shaped fixing plate, and the lower shell is connected with a fixing sling for controlling tightening or releasing. The suspension arm terminal of the mechanism adopts a retractable trapezoidal frame type structure, so that the fixing difficulty of the AUV is reduced; the limiting column and the limiting groove on the suspension arm can generate acting force and acting moment opposite to hydrodynamic force interference in the laying and recycling process, and the collision risk of the ship body for laying and recycling the AUV in the stormy wave environment is effectively avoided.

TITLE: Vessel comprising means for deploying a dock This vessel comprising means for deploying (2) a floating dock (3) for implementing a boat (4) on at least one side of the vessel, from a side hangar (10) of this vessel, provided with an opening, using a tow line and davits allowing the dock to be deployed between a position stowed in the hangar and a position deployed in the water, is characterized in that the ends of the davits comprise spreaders (20) for orienting handling hoops of the dock (3) and means for controlling (21) the orientation of these spreaders to control the position of the dock relative to the vessel. Figure for the abstract: Figure 2

A davit arrangement for launching and storing one or more boats or cargo devices, comprising - a carrier construction (1, 2 ) slidingly connected to a rail construction (3), said rail construction (3) is adapted to be fixedly attached to a roof or other overhanging construction (9), - a davit arm (6) arranged slidingly connected to the carrier construction (1, 2), said davit arm (6) is adapted to move between a launching position where the davit arrangement is adapted to hoist the boat or cargo device (A, B) to or from the sea surface, and an intermediate position where the boat is retracted into a position within the carrier construction (1, 2) of the davit arrangement, - a cylinder arrangement (4) is connected to the carrier construction (1, 2) at a point (4a) and connected to the rail construction (3) at an end (4b), said cylinder arrangement (4) is adapted to move the carrier construction (1, 2) between the intermediate position and a storage position where the boat or cargo device (A, B) is adapted to be stored, said davit arm (6) and cylinder arrangement (4) is adapted to extend in laterally opposite directions. The invention further relates to a method for transporting one or more boats or cargo devices to / from a parking area from / to a sea surface.

The application discloses an unmanned ship recycling device, a recycling system and a recycling method. The unmanned ship recycling device comprises a crane module, a docking module and a control module. The crane module comprises a hoisting arm and a motion compensation arm, the working end of the hoisting arm is hinged to the connecting end of the motion compensation arm, and the working end of the hoisting arm and the motion compensation arm is respectively provided with a first pulley set and a second pulley set. The docking module comprises an electromagnetic connecting hook, a connecting male head and a traction rope. The control module comprises a central control unit and a first position sensor, and the first position sensor is located on the hoisting arm. The application realizes the automatic parking of the unmanned ship through motion compensation and relative motion compensation, and saves manpower. Precise positioning adjustment and positioning recognition device ensure the high efficiency of the unmanned ship recycling. The electromagnetic connecting hook and the connecting male head have effective grabbing and locking mechanisms, which improve the reliability and safety of operation, and also significantly improve the safety and efficiency of operation.

A water circulation system includes a motor, a plurality of first vanes and a plurality of second vanes. The motor includes a first output shaft and a second output shaft. The first vanes are connected to the first output shaft and driven by the motor to circulate warm water for a warm water pool. The second vanes are connected to the second output shaft and driven by the motor to circulate cold water for a cold water pool

The utility model discloses a gravity inverted arm type boat hanging frame which comprises two sets of seat frames, two sets of rotating shaft devices, two sets of suspension arms, a boat lifting winch and two sets of air cylinders, the seat frames are fixedly connected to a mother boat, the suspension arms are movably connected with the seat frames through the rotating shaft devices, guide pulleys are arranged on the suspension arms, and the guide pulleys are arranged on the seat frames. One end of the air cylinder is connected to a mother ship through a bearing, the other end of the air cylinder is connected with the suspension arm through a bearing, and the boat lifting winch is fixedly connected to the side wall of the air cylinder.

The utility model discloses a marine lifeboat folding and unfolding device which comprises a rotating frame, a buffering mechanism is arranged on the side face of the rotating frame, the buffering mechanism comprises at least two rotating plates arranged on the two sides of the rotating frame, an air bag is fixedly connected to the side face of each rotating plate, and a connecting frame aligned with the rotating plates is fixedly connected to the inner wall of the top of the rotating frame. The circumferential side face of the connecting frame is fixedly connected with a fixing column aligned with the rotating plate. The two moving rings are fixedly connected into a whole through the chain by arranging the air bag, the mooring rope crosses the idler wheel and is connected to the lifeboat, the hydraulic machine body is started, and the hydraulic machine body drives the rotating frame to rotate through the hydraulic column, so that the rotating frame extends out of the boat or retracts into the boat, and the rotating frame drives the lifeboat to rotate. An external machine is used for driving the mooring rope to retract and release, the mooring rope drives the lifeboat to lift and retract, and the lifeboat can be blown by sea wind in the retracting, storing and fixing processes.

The invention discloses an unmanned ship recovery device, system and method. The unmanned ship recovery device comprises a crane module which comprises a hoisting arm and a motion compensation arm, the working end of the hoisting arm is hinged to the connecting end of the motion compensation arm, and the working ends of the hoisting arm and the motion compensation arm are provided with a first pulley block and a second pulley block respectively; the butt joint module comprises an electromagnetic connecting hook, a connecting male head and a traction rope; the control module comprises a central control unit and a first position sensor, and the first position sensor is located on the hoisting arm. Automatic docking of the unmanned ship is achieved through motion compensation and relative motion compensation, and manpower is saved. And the precise positioning adjustment and positioning recognition device ensures the high recovery efficiency of the unmanned ship. And the electromagnetic connecting hook and the connecting male head have effective grabbing and locking mechanisms, so that the reliability and the safety of operation are improved, and the safety and the efficiency of operation can also be remarkably improved.