56results 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 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 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.

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 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 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 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.

This invention relates to the field of lifeboat lifting, and discloses a lifeboat lifting device for passenger ships, including a swing arm structure, a swing arm drive device, and a lifting drive device installed on the passenger ship. The lifting drive device is connected to the lifeboat. The swing arm structure is provided with an anti-sway structure. The swing arm structure includes a vertically arranged sleeve assembly. A lifting cable on the swing arm drive device is connected to the top of the swing arm structure. The arc-shaped rod is provided with a toothed groove. The swing arm structure is provided with a swing arm locking device that stops the rotation of the swing arm structure by engaging with the toothed groove. The beneficial effects of this invention compared with the prior art are: when the swing arm structure rotates, the angle transmission structure drives the connecting gear to make the sleeve assembly rotate in the opposite direction around the sleeve axis at the same angle as the swing arm structure, so that the sleeve assembly is always in a vertical state, suppressing the swaying of the lifting cable, greatly improving the stability of the lifeboat during movement, reducing the swaying amplitude caused by inertia, reducing cable wear, and ensuring the safety of passengers.

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 self-righting auxiliary recovery device for a maritime lifeboat. Comprising a boat bottom outer bracket; the boat bottom lining frame is arranged in the boat bottom outer bracket in a swinging manner through a radial buffer mechanism; the front end of the boat bottom lining frame is hinged to the front end of the boat bottom outer bracket through a connecting pin. An inlet for allowing the lifeboat to enter is formed in the rear part of the boat bottom lining frame; the axial buffer spring is arranged on the connecting pin in a sleeving mode, one end of the axial buffer spring abuts against the inner wall of the boat bottom outer bracket, and the other end of the axial buffer spring abuts against the outer wall of the boat bottom lining frame; the anti-backing self-locking mechanisms are arranged on the two sides of the inlet; and the lifting mechanism is connected with the boat bottom outer bracket. The self-righting and anti-reversing self-locking lifeboat has the advantages that the lifeboat bottom outer bracket, the lifeboat bottom lining frame, the radial buffering mechanism, the axial buffering spring, the anti-reversing self-locking mechanism and the lifting mechanism are arranged, and self-righting and anti-reversing self-locking can be achieved in the lifeboat recycling process.

This utility model discloses a marine lifeboat lowering and launching device with remote oil delivery lubrication, belonging to the field of marine equipment technology. The key technical points are: it includes a support base with an inclined slide corresponding to the lifeboat; a boom rotatably connected to the support base; a winch at the lower end of the boom; a hydraulic cylinder rotatably mounted on the support base; the output end of the hydraulic cylinder rotatably connected to the middle of the boom; a movably mounted cable on the boom, connected to the winch; a crossbeam device for suspending the lifeboat connected to the end of the cable; several rollers rotatably mounted on the boom; the cable sequentially passes over these rollers; two guide wheels rotatably mounted on the boom; and an oil delivery assembly on the boom for delivering lubricating oil to the connection points of the rollers and the two guide wheels. This lowering and launching device significantly improves the efficiency of lubrication operations by delivering lubricating oil to these connection points through the oil delivery assembly.

A special lifting cage for folding and unfolding an unmanned vehicle comprises a lifting cage body, a tail baffle, bottom supporting rollers, a radar, a vertical limiting device, a head arresting cable device, a proximity switch, a head buffering device and an arresting cable, the lifting cage body and the unmanned vehicle are designed in a conformal mode, and the lifting cage body is provided with two lifting points symmetrically distributed on the two sides of the gravity center; the tail baffle is driven by an underwater steering engine to open and close the channel; the bottom supporting rollers support the unmanned vehicle and assist the unmanned vehicle in moving; the radar is used for environment perception; the vertical limiting device limits upward movement of the unmanned vehicle; the head arresting cable device and the buffer device are matched to realize accurate capturing and buffering of the unmanned vehicle; according to the device, through the structural design with power, active retracting and releasing of the unmanned aircraft in water are achieved, the device has the advantages of being accurate in retracting and releasing, reliable in buffering and stable in structure, and the efficiency and safety of retracting and releasing operation of the unmanned aircraft are effectively improved.

The invention provides a hydraulic winch emergency recovery system and device.The system comprises a normal winding and unwinding loop, a storage loop and an emergency lowering loop, and the normal winding and unwinding loop comprises a pump station, a main pump, an operating valve, a winch valve set and a winch motor; the storage loop comprises a pump station, a main pump, an operating valve, a one-way valve, an energy accumulator, a first stop valve, a variable-amplitude oil cylinder and a safety valve. The emergency lowering loop comprises an operating valve, a second stop valve, a variable-amplitude oil cylinder, a gravity release valve, an emergency reversing valve and a winch motor. The energy accumulator is used for increasing the pressure of hydraulic oil, the emergency recovery function of the rescue boat is achieved, and the control principle is simple and reliable.

The invention relates to the technical field of boat hanging frames, and discloses a cable laying boat lifeboat hanging structure and a using method thereof.The cable laying boat lifeboat hanging structure comprises an inverted arm type boat hanging frame, two connecting blocks are fixedly connected to the bottom of the inverted arm type boat hanging frame, parts contained in the inner walls and the outer walls of the two connecting blocks are the same, and brake rods are rotationally connected to the inner walls of the connecting blocks; an operator rotates a brake rod to reduce the friction force borne by a brake disc, so that a twisted rope winding drum can rotate, the lifeboat falls under the influence of self weight, a hanging cable is pulled to move, the twisted rope winding drum rotates clockwise, an extrusion block is driven to rotate through a one-way assembly, hydraulic oil in a hydraulic cavity is extruded, and the hydraulic oil in the hydraulic cavity is extruded; the extrusion block bears large resistance during rotation, so that the lifeboat slowly falls, and the situations that the amplitude of loosening the brake rod is too large, so that the resistance borne by the lifeboat is small, the lifeboat rapidly falls due to the influence of self weight, and the lifeboat stably falls to the sea surface due to large swing amplitude during falling are effectively prevented.

This invention relates to the field of marine deployment and recovery technology, and in particular to a marine deployment and recovery device and its method of use. The marine deployment and recovery device includes a lift, a vehicle, and a connecting assembly. The lift is mounted on the vehicle, and the tail of the vehicle has a connecting portion. The lift is connected to the connecting assembly. The lift can drive the connecting assembly to move vertically to the connecting portion, and the connecting assembly can clamp onto the connecting portion. The connecting portion is retractable, and the lift can drive the connecting assembly to move vertically between the vehicle and the connecting portion, so that the vehicle and the connecting portion are clamped onto the connecting assembly. In summary, the marine deployment and recovery device of this invention has the advantages of simple and compact structure, small footprint, and light weight. It can improve the structural compactness of the vehicle on which the deployment and recovery device is mounted and effectively reduce the load pressure on the vehicle.

The invention discloses a mechanism for autonomous deployment and recovery of a micro-miniature AUV (Autonomous Underwater Vehicle) of an unmanned surface vehicle, and belongs to the field of unmanned underwater operation. The mechanism comprises an unmanned ship platform and a recovery device, wherein the recovery device is provided with an optical guide device, an elastic belt, a binocular camera, a long rod, a buckle, a flexible net and a gear rack lifting mechanism. After the AUV is driven into the recovery device through the visual identification optical guiding device, the binocular camera detects the posture and height of the AUV, the motor drives the gear to move along the rack to drive the long rod to move downwards, the AUV is elastically fixed through the elastic belt, self-adaptive pressing is achieved through torque limitation, and the AUV body is prevented from being damaged. The unmanned ship platform adopts a catamaran structure to improve the stability, and is equipped with a solar energy and lithium battery hybrid power supply system. The requirement for butt joint precision is low, collision damage is avoided through the inner wall flexible material, the device can be suitable for recycling and laying of AUVs of any shape with the size smaller than that of a storage bin, the AUV operation efficiency is effectively improved, and the laying and recycling risk is reduced.

The application discloses an emergency system of a rescue boat launching and recovering device hydraulic winch, which comprises a hydraulic motor, a brake connected with the hydraulic motor, a motor valve group for controlling rotation of the hydraulic motor, a control valve group for delivering hydraulic oil to the motor valve group, a hydraulic pump for inputting hydraulic oil from an oil tank to the control valve group, and an emergency pump group; an oil inlet of the emergency pump group is connected with the oil tank, and an oil outlet of the emergency pump group is connected with an oil inlet of the control valve group; a stop valve and an emergency reversing valve are arranged between the control valve group and the motor valve group, and the stop valve is located between the control valve group and an A port of the motor valve group; after the stop valve is closed, hydraulic oil going to the A port of the motor valve group enters the motor valve group through the emergency reversing valve. Through the arrangement of the emergency pump group, the stop valve and the emergency reversing valve, efficient and convenient use of the hydraulic winch in an emergency is realized.

The utility model discloses a recovery device of an unmanned ship, and relates to the technical field of unmanned ships. The main ship comprises a main ship body, a U-shaped groove is formed in the center of one side of the main ship body, rotating plates are rotationally connected to the top end of the main ship body and close to the center of the U-shaped groove in a central symmetry mode, guide plates are fixedly connected to the bottom ends of the rotating plates, and a mounting groove is formed in the center of one side of the U-shaped groove. A mounting frame is rotationally connected to the inner wall of one side of the mounting groove, a high-pressure spray head is arranged at the center of the side end of the mounting frame, a first caulking groove is formed in the inner wall of the other side of the mounting groove, and a motor is arranged at the position, located at the first caulking groove, of the mounting groove; the guiding plate is driven to rotate by rotating the rotating plate to achieve angle fine adjustment, the unmanned ship can be assisted to be smoothly recovered to the U-shaped groove in cooperation with the first buffering pad, collision between the unmanned ship and the main ship body is effectively avoided, damage caused by collision is reduced, the overhaul frequency is reduced, and the maintenance cost is saved.