92results about "Hoisting/lowering gear" patented technology

The invention relates to the technical field of ocean unmanned vehicles, and particularly discloses a wave glider laying and recovery system and a collaborative operation method thereof.The wave glider laying and recovery system is composed of a transferring laying device, a tail buoy, a flat cable recovery device and a salvage recovery rod; the moving, transporting and laying device adopts a modularized quick-release structure and a positive and negative thread screw collinear self-adjusting positioning mechanism and is matched with a hand-pulled spring shackle to achieve five-minute zero-assembly laying, and a tail buoy achieves floating body electric control separation through a waterproof steering engine driving lead screw nut transmission and a guide column-guide sleeve conical self-centering structure. The flat cable recovery device is designed based on an eccentric cam self-locking principle and a progressive clamping mechanism, and is combined with a three-stage hoisting strategy to complete efficient and lossless recovery of the flexible flat cable of 7-8 meters; the invention further discloses a collaborative operation method of the wave glider laying and recovery system, which comprises the processes of moving and positioning, device separation, hand pulling and releasing and underwater unfolding in a laying stage, and a time sequence linkage strategy of buoy separation, positioning and dragging and graded hoisting in a recovery stage.

The invention relates to a release device (1) for releasing an object suspended therefrom under load, in particular for drop tests, wherein the release device (1) comprises: two complementarily shaped clamping jaws (3a, 3b), wherein the clamping jaws (3a, 3b) are each rotatably mounted about a bearing (2), wherein the clamping jaws (3a, 3b) are designed to hold a release bolt (4) with the hanging object attached thereto in the closed state; and a toggle lever with two legs (5, 6), wherein the legs are connected at their common connection to a bearing bolt (7) and are connected at their respective outer connections (22a, 22b) to the clamping jaws (3a, 3b), wherein the toggle lever is designed to hold the clamping jaws (3a, 3b) closed without actuating force in an overextended configuration against a mechanical stop (10);wherein the toggle lever is configured to release the locking of the clamping jaws (3a, 3b) by a primary stroke (24) of the bearing pin (7) resulting from the overextension of the toggle lever beyond the dead center, corresponding to a secondary stroke (25), so that the clamping jaws (3a, 3b) transition to an open state and the hanging object is dropped. The invention further relates to a method for releasing a hanging object under load.

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.

The invention discloses a sea surface auxiliary laying and recovery device for an unmanned ship. The sea surface auxiliary laying and recovery device comprises a mother ship side mounting base, an unmanned ship side mounting base and a buffer damping swing arm assembly. The buffer damping swing arm assembly comprises a longitudinal damping mechanism and a transverse damping mechanism; the longitudinal damping mechanism is configured to be stretched when the unmanned ship is far away from the side board of the mother ship to generate damping force to slow down the far-away movement trend, and is compressed when the unmanned ship is close to the side board of the mother ship to generate damping force to slow down the close-to movement trend; the transverse damping mechanism is configured in the mode that when the unmanned ship moves forwards relative to the mother ship, the first side of the transverse damping mechanism is compressed, the second side of the transverse damping mechanism is stretched, damping force is generated to slow down the forward movement trend, and when the unmanned ship moves backwards relative to the mother ship, the first side of the transverse damping mechanism is stretched, the second side of the transverse damping mechanism is compressed, damping force is generated to slow down the backward movement trend. When the method is used for launching and recovery operation, the transverse and longitudinal displacement variation of the unmanned ship is greatly reduced, and the safety and success rate of launching and recovery are effectively improved.

This invention discloses an unmanned collaborative emergency rescue system and method for special disasters involving ships in complex waters. The system, centered on a rescue mother ship, integrates unmanned fishing and rescue boats, intelligent fire detection boats, in-cabin emergency response robots, and tethered drones, constructing an integrated "air-water-cabin" unmanned equipment cluster. Information interconnection is achieved through a three-dimensional perception network and a flexible fusion communication network. The system integrates multi-source perception data through a collaborative control terminal and intelligently schedules each piece of equipment for collaborative operations based on preset decision logic. This invention enables tiered proactive rescue of personnel on the water, precise "internal detection and external attack" fire suppression of fires inside ships, and in-cabin emergency response, while maintaining communication via drone relay in signal-blocked environments. This invention solves the technical challenges of traditional rescue methods in responding to internal ship disasters, rescuing disabled persons, and collaborative operations in complex environments, significantly improving rescue efficiency and safety.

The invention discloses a one-time laying system for a wave glider and a collaborative operation method of the one-time laying system, and belongs to the technical field of ocean engineering. The system comprises a wave glider and a transferring and laying device. The moving, transporting and laying device is a detachable separation support, and an upper laying support and a lower moving support are connected through a positioning pin. The laying support is provided with a bearing face matched with the ship body, four hanging rings, a supporting rod for supporting the traction machine and a floating body arranged on the middle rear portion. The method comprises the steps that the device is moved to a deck to be locked; the positioning pins are taken down, and the whole support and the glider are vertically hoisted and laid through the four slings; when the glider is immersed in water, the bracket inclines forward by using the floating body, and the glider is automatically separated; and the mother ship leaves and recycles the laying bracket. Rapid, stable and safe one-time laying of the wave glider under the complex sea condition is achieved, the risk of graded laying and umbilical cable winding are avoided, and the operation efficiency and safety are remarkably improved.

The present application relates to a kind of multi-posture UUV water surface autonomous recovery device and method, belong to UUV recovery underwater operation technical field.Solve the problem that the structure for recovery on UUV easily influences the underwater operation of UUV. Including frame structure, cage, buffer mechanism and winch, the front side of frame structure is equipped with winch, the middle part of frame structure is connected with the middle part of cage by buffer mechanism, the tail of frame structure is hinged with the tail of cage, and winch is connected with the front side of cage by cable.In the UUV recovery of the present application, it is not necessary to set up the recovery structure matched with UUV on UUV, not only reduce the design difficulty of UUV, its smooth surface better carries out underwater operation, but also can adapt to the recovery of multiple models of UUV.

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 discloses an autonomous deployment and recovery system for an unmanned marine system, comprising a mother ship platform, a lifting crane, a mooring cable, a lifting frame, and a surface mobile support; the lifting crane is mounted on the mother ship platform, and is connected to the surface mobile support via a mooring cable and a lifting frame; a U-shaped space for placing the unmanned marine system is formed on the surface mobile support, and an opening for the unmanned marine system to enter and exit the U-shaped space is left at the tail end of the surface mobile support; a positioning communication antenna and a control system are also provided on the surface mobile support, and an azimuth propeller for promoting its autonomous movement and dynamic positioning is provided at the bottom of the surface mobile support, and the azimuth propeller is connected to the control system. The system of the present invention deploys and recovers the unmanned marine system via a suspendable surface mobile support, and can adapt to the deployment and recovery requirements under higher speeds and more complex sea conditions of the mother ship, and has the advantages of fast deployment and recovery speed, high efficiency, and a high degree of autonomy.

The application provides an ARV relay laying and recycling device and method, and belongs to the field of underwater robot recycling. The application better solves the recycling problem of ARV in mud point monitoring operation. The ARV relay laying and recycling device comprises a TMS frame, a tail side thruster, an optical fiber communication device, an underwater winch system, an USBL acoustic positioning system, a head side thruster, a power supply module, an ARV tail locking self-locking device, an ARV head locking self-locking device, an ARV guide rod, a left main thruster, a right main thruster, an ARV docking locking device and a TMS control system. The TMS frame comprises a lower tray frame and an upper support frame connected to the upper end face of the lower tray frame. After the TMS control system responds to a signal, the tail side thruster and the head side thruster are controlled to adjust the positions of the ARV tail locking self-locking device and the ARV head locking self-locking device, so that the self-locking of the ARV is completed. The ARV docking locking device is arranged at the front end of the ARV and is used for cooperating with the ARV guide rod to limit the freedom degree of the ARV. The device is mainly used for recycling the ARV.

Title of the invention: Device for launching or raising a floating structure. The invention relates to a device for launching or raising a floating structure (1) (2), comprising at least one ramp (4) having a first end (4a), a second end (4b) opposite the first end (4a), and a sliding device (6) for the floating structure (2) on the ramp (4). The launching or raising device (1) comprises a pivoting member (8) of the ramp (4) connected to it at a point located between the first end (4a) and the second end (4b) of the ramp (4), and a movement device (38) configured to generate a displacement of the floating structure (2) on the ramp (4). The launching or raising device (1) comprises at least one float (10) connected to one of the ends (4b) of the ramp. (4) and at least one means (12) for managing the buoyancy of the float (10). Figure of the abstract: Figure 1.

The invention belongs to the technical field of ship lifesaving equipment, and discloses modular detachable high-bearing boat hanging frame equipment which comprises a base, a supporting frame, a rotating frame and a hanging assembly and further comprises a lubricating mechanism, the lubricating mechanism is arranged on the surface of the supporting frame, and the lubricating mechanism comprises a lubricating box fixedly connected to the surface of the supporting frame; an oil discharging pipe is fixedly installed on one side of the lubricating box, and one end of the oil discharging pipe penetrates through the supporting frame to make contact with the surface of the rotating frame. The discharged lubricating oil can flow to the joint between the supporting frame and the rotating frame to lubricate the supporting frame and the rotating frame, so that the rotating frame rotates more smoothly, finally, the driving assembly is driven to enable the sealing plate to increase the air pressure in the lubricating box, and then the lubricating oil flows to the joint between the supporting frame and the rotating frame; friction resistance at the connecting position is effectively reduced, it is guaranteed that the rotating frame is smooth and unobstructed when the lifeboat is hoisted, and the efficiency and reliability of hoisting operation are greatly improved.

The utility model provides an unmanned ship launching and recovering system which comprises a lifting device arranged on a mother ship, and further comprises an anti-shaking mechanism and a lifting assembly, the lifting assembly is connected with the lifting device and used for lifting an unmanned ship body, the anti-shaking mechanism is installed on the lifting device, and the lifting assembly is installed in the anti-shaking mechanism in a sliding mode; the anti-shaking mechanism comprises a fixing part and a telescopic assembly, the fixing part is fixedly connected with the lifting device, the telescopic assembly is slidably installed in the fixing part, a first spring is installed in the fixing part, and the telescopic assembly is connected with the fixing part through the first spring; the lifting device can solve the problem that in the prior art, a lifting device arranged on a mother ship and an unmanned ship body hung on the lifting device to be transferred shake along with stormy waves, and the stability of the unmanned ship body in the lifting process is affected.

The utility model discloses a lifting appliance for lifting a work boat, which comprises a rotating frame, a collecting mechanism is arranged above the rotating frame, the collecting mechanism comprises a rotating plate arranged on the side surface of the rotating frame, a water storage tank is arranged at the top of the rotating plate, one surface of the rotating plate can be opened and closed, an extrusion groove communicated with the water storage tank is arranged in the rotating plate, and the extrusion groove is communicated with the water storage tank. Supporting blocks are fixedly connected to the inner walls of the side faces of the extrusion grooves, and roller shafts are rotationally connected between the inner walls of the two faces of the extrusion grooves. The rotating plate is arranged and connected to the working boat through the mooring rope, an external hydraulic mechanism is started to drive the rotating frame to stretch out of the boat, the working boat is driven to ascend, descend, retract and release through the mooring rope, and after the working boat moves to the rotating plate, water attached to the working boat is gathered and dripped into the water storage tank to be collected. And water flow attached to the working boat can be collected when the working boat is folded by the device, and the water flow is prevented from scattering around the boat and the device.

A device for recovering a vessel at sea from a surface station, the recovery device includes a cradle with negative buoyancy, intended to support the vessel, a lifting device comprising an upper frame and a set of hangers connecting the cradle to the upper frame, lengths of the hangers being variable so as to make it possible to raise and lower the cradle, a guide float capable of having a predetermined positive buoyancy, the guide float being interposed between the cradle and the upper frame so that the cradle is intended to support the guide float during the raising of the cradle, the guide float being configured and connected to the cradle in order to guide the vessel moving on the surface of the water with a speed of movement comprising a positive component along an axis x associated with the upper frame, toward a front part of the guide float when the guide float has the predetermined positive buoyancy, the guide float being in connection with three degrees of freedom in rotation with the cradle.

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 unmanned ship laying, and particularly relates to an unmanned ship laying and recovery device which comprises a laying device. A driving rope is arranged at the top of the laying device; a driving motor is arranged at the bottom of the driving rope; a laying frame is arranged at the bottom of the driving motor; the side wall of the laying device is fixedly connected with a fixed outer frame; the fixed outer frame is arranged on the outer side of the laying frame in a sleeving manner; during working, the barrier plate can limit the rack, so that the situation that the rack falls off from the inner side of the fixed outer frame is reduced; after the laying frame is placed in a river, the unmanned ship enters the inner side of the laying frame and drives the first transmission gear, the first transmission gear can drive the pair of racks to drive the sealing doors to move upwards, and the two sides of the interior of the laying frame can be blocked through mutual cooperation of the pair of sealing doors, so that the situation that the unmanned ship falls off from the inner side of the laying frame to the outside is reduced; and the overall device improves the stability of the unmanned aerial vehicle during laying and recovery work.

The utility model provides a constant-tension winch boat retracting and releasing device and a ship, and belongs to the field of ship equipment. The constant-tension winch skiff collecting and releasing device and the ship comprise a sliding rail assembly, a stopping assembly, a traction assembly and a hook assembly. The stopping assembly comprises a stopping frame and two tensioning winches, the stopping frame can move in the length direction of the sliding rail assembly, the two tensioning winches are located on the two opposite sides of the sliding rail assembly in the length direction correspondingly, and ropes extending out of the two tensioning winches are connected with the stopping frame; the traction assembly is connected with the blocking frame so as to drive the blocking frame to move in the length direction of the sliding rail assembly. The hook assembly is used for being mutually locked with the blocking frame. The small boat can be quickly and safely recycled.

The invention relates to the technical field of retracting and releasing of underwater navigation bodies, in particular to an anti-swing device and method for retracting and releasing a navigation body. The rigid anti-swing device comprises a rigid anti-swing rod, the rigid anti-swing rod is installed below a top lifting point of a retracting and releasing device, and the rigid anti-swing rod is vertically attached to the outer side wall of the navigation body after extending out to prevent the navigation body from swinging towards the inner side; the constant-tension flexible anti-swing device comprises at least two stay cables and corresponding anti-swing winches, the anti-swing winches are fixed to the two sides of the lifting arm of the retracting and releasing device, the stay cables are installed on the anti-swing winches respectively, and the ends, away from the anti-swing winches, of the stay cables are connected with two points of a lifting appliance of the navigation body. The anti-swing device can prevent the navigation body from swinging towards the outer side, swing of the navigation body in the vertical direction and the horizontal direction can be greatly reduced when the two anti-swing devices take up and release the navigation body jointly, collision between the navigation body and a mother ship is reduced, and the safety of the navigation body during lifting and releasing is improved.

The present invention discloses an automatic deployment and recovery device for an AUV and a method thereof, comprising a first rectangular bracket, a second rectangular bracket and a locking pin fixed to the AUV, wherein the first rectangular bracket is located below the second rectangular bracket, and hinge seats are provided at the four corner positions of the first rectangular bracket, and clamping arms are hinged in the four hinge seats, and the upper portion of the clamping arms is bent and extended to form a linkage arm, and the angle between the linkage arm and the clamping arm is an obtuse angle, and a strip perforation is provided on the linkage arm, and the second rectangular bracket comprises a rectangular frame, and circular rods are provided at the four corner positions of the rectangular frame, and the four circular rods are respectively inserted into the strip perforations in the four linkage arms. During the hoisting process, the present invention utilizes the deadweight of the AUV and the first rectangular bracket to realize that the first rectangular bracket and the second rectangular bracket are moved away from each other, and the clamping arm is rotated toward one side of the first rectangular bracket, so that the AUV equipment can be clamped to prevent the AUV equipment from falling off.

The invention discloses an ROV (remote operated vehicle) vertical launching method which mainly comprises the following steps when an ROV needs to be launched, an ROV armor cable winch lifts the ROV and a TMS into a mushroom head locking structure of a vertical lifting crane, and a mushroom head is locked to the vertical lifting crane; the pulling force of the ROV armor cable winch is slowly released, and the gravity of the ROV and the TMS is gradually transmitted to a lifting crane winch steel wire rope; selecting an ROV armored cable winch constant tension keeping mode; in the process of operating a winch of the lifting crane to lift, the ROV armor cable can be always in a constant-tension follow-up winding and unwinding state; and the lifting crane is operated to lift the ROV and the TMS to the specified height, so that the ship moon pool gate can be smoothly opened. According to the ROV vertical launching method provided by the invention, a vertical launching mode is adopted, the retraction efficiency of the ROV can be effectively improved, the safety of retraction of the ROV at the critical point of the environment can be improved, and the influence of ship rolling on the retraction process of the ROV can be reduced to the greatest extent because the moon pool system is usually located in the middle of the port and the port of the ship.

The invention relates to the field of lifeboat lifting, and discloses a lifeboat lifting device for a passenger ship, which comprises a swing arm structure, a swing arm driving device and a lifting driving device which are arranged on the passenger ship, the lifting driving device is connected with a lifeboat, an anti-swing structure is arranged on the swing arm structure, and the swing arm structure comprises a vertically arranged sleeve assembly. A first lifting cable arranged on the swing arm driving device is connected with the top end of the swing arm structure, a tooth groove is formed in the arc-shaped rod, and a swing arm locking device which is connected with the tooth groove in a clamped mode so that the swing arm structure can stop rotating is arranged in the swing arm structure. Compared with the prior art, the life boat has the beneficial effects that when the swing arm structure rotates, the angle transmission structure drives the connecting gear to enable the sleeve assembly to reversely rotate around the axis of the sleeve by the angle the same as that of the swing arm structure, the sleeve assembly is always in a vertical state, shaking of the lifting cable is restrained, and the stability of the life boat in the moving process is greatly improved; the shaking amplitude caused by inertia is reduced, cable abrasion is reduced, and the life safety of passengers is guaranteed.

The utility model relates to a self-locking catching hook device which is installed on a ship body and comprises a base, a spring bolt, a torsion spring, a swing rod, a compression spring and an electric cylinder, the base is connected with the ship body in a bolting or welding mode, the swing rod is installed on the base, the bottom end of the swing rod is connected with the electric cylinder, the spring bolt is installed on the base, the torsion spring is installed between the spring bolt and the base, and the compression spring is connected with the electric cylinder. And the electric cylinder is connected with a power supply and a communication module on the small boat. The device is simple in structure and light in weight; manual hooking and releasing are not needed; and wireless remote control operation can be adopted.

The emergency retracting and releasing structure of the rescue boat comprises a hydraulic motor, a brake connected with the hydraulic motor, a motor valve group for controlling the hydraulic motor to rotate, a control valve group for conveying hydraulic oil to the motor valve group, a hydraulic pump for inputting the hydraulic oil into the control valve group from an oil tank, and an emergency pump group, an oil inlet of the emergency pump set is connected with the oil tank, and an oil outlet of the emergency pump set is connected with an oil inlet of the control valve set. A stop valve and an emergency reversing valve are arranged between the control valve set and the motor valve set, the stop valve is located between the control valve set and a port A of the motor valve set, and after the stop valve closes an oil way, hydraulic oil going to the port A of the motor valve set enters the motor valve set through the emergency reversing valve. Through the arrangement of the emergency pump set, the stop valve and the emergency reversing valve, safe and efficient retraction and release of the rescue boat are achieved under the condition that a mother boat loses power.

The utility model discloses an unmanned ship automatic launching device of simulating offshore platform accident relates to unmanned ship technical field, including base, support platform and first hydraulic cylinder, the first hydraulic cylinder inside rotation is connected with the rotation sleeve, the rotation sleeve inside sliding connection has first threaded rod, first threaded rod top fixedly connected with fixed plate, fixed plate one side fixedly connected with the top rod, fixed plate top fixedly connected with the support ball, the support ball outside is equipped with the support cover, the support cover outside fixedly connected with the support disc, a plurality of arc plates are fixedly connected to the support disc bottom, the support cover top is provided with the transverse board, the both sides bottom of transverse board all is provided with unmanned ship connecting portion, and this unmanned ship automatic launching device of simulating offshore platform accident has realized to the multiple simulation state of unmanned ship launching condition, has provided strong support for the collection and analysis of experimental data.

The invention relates to the technical field of offshore laying and recycling, in particular to an offshore laying and recycling device and a using method thereof.The offshore laying and recycling device comprises a lifter, an aircraft and a connecting assembly, the lifter is arranged on a carrier, a connecting part is arranged at the tail of the aircraft, the lifter is connected to the connecting assembly, and the connecting part is connected to the connecting assembly; the lifter can drive the connecting assembly to move to the position of the connecting part in the vertical direction, the connecting assembly can be connected to the connecting part in a clamped mode, the connecting part can stretch out and draw back, and the lifter can drive the connecting assembly to move to the position between the aircraft and the connecting part in the vertical direction. And the aircraft and the connecting part are clamped and connected to the connecting assembly. In conclusion, the offshore laying and recovery device has the advantages of being simple and compact in structure, small in occupied space and light in weight, the compactness of the structure of the carrier provided with the laying and recovery device can be improved, and the load pressure of the carrier is effectively reduced.