28results about "Davits" patented technology

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.

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.

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 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 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 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.

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 utility model relates to an LNG (Liquefied Natural Gas) ship lifeboat area spraying system which is characterized in that a lifeboat hoisting mechanical arm is arranged in an edge area of a deck, and the hoisting mechanical arm is used for suspending a lifeboat above the edge area of the deck and transferring the lifeboat to an outer side area of the deck for lowering; a spraying pipe is arranged in the area above the lifeboat hoisting mechanical arm, a plurality of top spraying nozzles are arranged below the spraying pipe, and a plurality of side spraying nozzles are arranged on the side face of the spraying pipe. Each top spraying nozzle sprays along a respective circle, all the side spraying nozzles spray towards the direction of the lower area of the lifeboat, the spraying range of the side spraying nozzles and the spraying range of the top spraying nozzles are crossed and overlapped, and the spraying range of the side spraying nozzles covers the lowering area of the lifeboat. Through the cooperation of the top spraying nozzle and the side spraying nozzle, spraying of a lifeboat area and a lifeboat lowering area is achieved, and the safety of people going to the lifeboat for escape is improved.

This invention provides a green PCTC (Potentially Controlled Traction Control) fire-fighting and life-saving layout structure, including lifeboats positioned on the port side of the stern of the highest deck of the ship. A meeting point is located forward of the lifeboats, and escape routes pointing to the meeting point are planned on the corresponding decks with arrows. The planning criteria for the escape routes include: lower decks prioritize routes to upper decks; intermediate compartments prioritize routes to side compartments; ship's side positions prioritize routes to the midships position; bow positions prioritize routes to the stern position; and locations with access passages prioritize using those passages, while locations without access passages prioritize routes close to the compartment walls. This invention enables rapid deployment of lifeboats, and in conjunction with the escape passages on the decks, improves the speed and efficiency of fire-fighting and life-saving operations.

The present invention discloses a hydraulic launching device for an underwater vehicle and an operating method thereof, the device including an offshore platform, a platform stabilizing mechanism, a deep-sea exploration vehicle launch tube, an automatic release jig, and a vortex generating mechanism. The offshore platform includes a platform deck, a crane assembly, and a lower float assembly. The crane assembly is attached to the upper surface of the platform deck, with a through-hole opened in the middle of the platform deck. The deep-sea exploration vehicle launch tube extends downward through the through-hole and is connected to the platform deck. The lower float assembly is attached to the bottom of the platform deck and surrounds the deep-sea exploration vehicle launch tube. The automatic release jig is connected to the crane assembly and cooperates with the deep-sea exploration vehicle launch tube, and is used to clamp the deep-sea exploration vehicle. The platform stabilizing mechanism includes a plurality of platform float stabilizing members attached to the upper surface of the platform deck at intervals around the periphery. The present invention can improve the diving efficiency of the deep-sea exploration vehicle and reduce the mutual interference caused by unknown wind, waves, and currents when operating in two completely different environmental media.

A launch and recovery system is presented, the system includes a launch system with an A-frame crane operable to lower an autonomous underwater vehicle (AUV) from the deck level of a ship to the sea level below the deck level. The system further includes a recovery system configured to collect the AUV from just below or at the sea level, the recovery system includes a weight-bearing lifting crane, one or more stabilizing arms, and a funnel. Additionally, the system includes a recovery pad and trolley system configured to receive the AUV from the recovery system, and a rail system with a network of rails configured to accept a trolley with the AUV from the recovery pad and trolley system.

The application discloses a double telescopic boom type lifeboat hoisting device, which comprises two symmetrically arranged telescopic booms, one end of each telescopic boom is connected with the side of a drilling platform / drilling ship, a lifting steel wire rope is arranged on each telescopic boom, one end of the lifting steel wire rope is connected with a lifting winch, the lifting winch is arranged on the drilling platform / drilling ship, and the other end of the lifting steel wire rope is connected with the end of the telescopic boom away from the drilling platform / drilling ship through a lifting pulley. The application solves the problems of the existing single telescopic boom type lifeboat hoisting device or double swing arm type lifeboat hoisting device of the drilling platform / drilling ship, such as small hoisting load, short hoisting distance, collision between the lifeboat and the drilling platform / drilling ship or hoisting obstacle when the drilling platform / drilling ship is in a large-angle inclination due to sea disaster or in a severe sea condition.

The invention relates to a davit arrangement (1, 20) arranged suspended over one or more boats or cargo devices (B, C) onboard a ship or similar vessel for launching or storing the one or more boats or cargo devices (B, C), the davit arrangement (1, 20) comprises a davit housing (19) having telescopically displaceable davit arm (3, 4, 5) and a hoisting arrangement (6) for hoisting and lowering the one or more boats or cargo device (B, C). The davit arrangement comprises a carrier (2) slidable connected to the davit arm (3, 4, 5), the hoisting arrangement (6) being further connected to the carrier (2), the davit housing (19) is connected to a turntable (10) for rotational movement of the davit arrangement (1, 20) around a center axis (A), the carrier (2) is adapted to be retracted to an innermost position where the hoisting arrangement (6) is aligned with the center axis (A) of the turntable (10). The invention further relates to a method for transporting a boat or a cargo device (B, C) using the davit arrangement and a davit arrangement system.

The invention discloses an intelligent control method and system for automatic deployment of a lifeboat on a hybrid power ship, relates to the field of intelligent control of automatic deployment of the lifeboat on the hybrid power ship, and aims to solve the problem of misjudgment of signals generated by a limit switch due to small gaps of rotating joints of a boat hanging frame in the prior art. Comprising the steps of obtaining local vibration information of a boat hanging frame rotating joint; analyzing the local vibration information to identify a vibration mode related to formation of a tiny gap in the joint, and generating early warning information indicating joint abnormity; receiving the signal generated by the limit switch, and judging the physical source of the signal generated by the limit switch in combination with the early warning information when the lowering speed of the lifeboat reaches a preset value; and correcting the position and speed calculation deviation of the lifeboat according to the physical source.

The application provides a multifunctional buffer anti-rolling hydraulic device for submersible vehicle deployment and a control method, which comprises a portal system, a hoisting device and an anti-rolling system; the anti-rolling system belongs to an execution component, is directly connected with the hoisting device, outputs a certain pushing and pulling force under the control of an anti-rolling hydraulic module, and executes an anti-rolling function; the anti-rolling hydraulic module belongs to a hydraulic control component, is connected with the anti-rolling cylinder and a pump source through pipelines, and is used for adjusting the anti-rolling force and the stiffness of the cylinder. The device provided by the application has active and passive double working modes: the angle and posture of the submersible vehicle hoisting device can be adjusted in the active mode, and the anti-rolling and buffer of the submersible vehicle hoisting device can be realized in the passive mode. Bidirectional active posture adjustment is realized through the control of an electromagnetic reversing valve by an electrical signal; passive buffer anti-rolling functions are realized through the control of a proportional overflow valve and a proportional throttle valve by an electrical signal.

The invention discloses a hydrogen fuel power dredger for a water supply channel. The dredger comprises a dredger body, a drill rod operation system, a hydrogen containment system, a hydrogen fuel cell system, a lithium battery system, a propelling system, a monitoring system, a fire fighting system and other auxiliary systems. Functional cabin sections such as a fuel cell cabin, a lithium battery cabin and a carbon dioxide cabin are reasonably arranged in a ship cabin in the longitudinal direction, a drill rod operation system is provided with a main drill rod structure and an auxiliary drill rod structure and is matched with a bottom slope and side slope double-operation mode, a dredging trolley integrates the functions of crushing, sweeping, flushing and suction, and efficient dredging is achieved; the power system adopts a hydrogen fuel cell and lithium battery hybrid power framework and is matched with an intelligent monitoring and fire fighting system to ensure safe and environment-friendly operation, other systems guarantee ship positioning, mooring, transportation and ship-shore interaction, and the problems that a traditional dredging ship pollutes the environment, the operation mode is single, and the power efficiency is low are solved. The system is suitable for fine dredging operation of water supply channels, and has the advantages of zero emission, wide operation range and high intelligent degree.

An integrated folding and unfolding device for a small unmanned ship comprises a track support, a walking structure connected to the track support and a capturing structure connected to one end of the walking structure. The catching structure comprises a hydraulic winch and a catching frame which is connected with a rope of the hydraulic winch and used for collecting and releasing the unmanned ship; the hydraulic winch realizes the movement of the catching frame between the water surface and a mother ship by winding and unwinding a rope; the walking structure moves and rotates along the track support to adjust the position of the capturing frame. According to the unmanned ship clustering system, the problems of space layout limitation, fixed structural parameters, special structure influence and the like when unmanned ship clustering operation is carried out on an existing ship are solved.