456results about "Vessel salvaging" patented technology

The invention relates to a mechanical arm end effector for underwater salvage and a using method thereof, and belongs to the technical field of underwater robots. By integrating a hydraulic-driven rotary drilling assembly and an ejection anchoring mechanism, drilling is completed on an underwater target object at a time, and an anchoring part with a lifting point is implanted; a unique pressure compensation flow channel system is arranged inside, external seawater pressure is automatically balanced through oil pressure, sealing failure is prevented, and operation reliability in a large-depth environment is ensured. The drilling and hoisting device has the functions of drilling and hoisting, a plurality of hoisting points can be continuously established by rapidly replacing the drill bit assembly, and the underwater salvage process is greatly simplified.

The invention provides an unmanned ship grabbing and positioning system based on multi-body configuration design, and belongs to the technical field of unmanned ships, the unmanned ship grabbing and positioning system comprises a multi-body ship body, a machine vision module, a positioning calculation unit, a stable platform, a grabbing device and a control module, the multi-body ship body is composed of a double-hull structure or a three-hull structure; the machine vision module is used for identifying a target object and acquiring visual information of the target object; the positioning calculation unit is connected with the machine vision module and is used for calculating spatial position coordinates of the target object according to the acquired vision information; the stable platform is arranged on the multi-hull ship body; the grabbing device is installed on the stable platform and used for grabbing the target object according to the coordinates calculated by the positioning calculation unit. The robot has the comprehensive advantages of being high in environmental adaptability, high in positioning precision, flexible in operation, good in controllability, high in maintainability and the like, and can efficiently cope with target object grabbing operation in the complex water environment.

The invention discloses a steel wire rope splicing device and method for deepwater salvage, and relates to the technical field of salvage and salvage of offshore sunken ships, the steel wire rope splicing device comprises a sunken ship, a crane ship and a crane installed on a deck of the crane ship, a stern side jack is arranged at the stern of the deck of the crane ship, and a bow side jack is arranged at the bow of the deck; a 80t anchor gear is arranged at one end of the stern side jack, and a wave compensator is arranged at the other end of the stern side jack; one end of the bow side jack is provided with a rope container used for storing bow side steel wire ropes, the crane is provided with two main hook steel wire ropes, each main hook steel wire rope is provided with a triangular plate, the main hook steel wire ropes are spliced or disassembled through the bow side steel wire ropes and a second steel wire rope, and the triangular plates can achieve switching of lifting force when the steel wire ropes are spliced; the stern side jack is used for bearing ship sinking acting force when the steel wire rope is spliced or detached; the ship bow side jack plays a role in temporarily fixing the steel wire rope B in seawater when the crane of the crane ship is connected with or dismantled from the steel wire rope B.

Provided is a self-leveling rotary handling-type multi-autonomous underwater vehicle (AUV) docking and transfer device and its method. The device includes a docking module, a vertical handling module, and a rotary handling module; the docking module includes a rotary platform with a guide frame, and a top surface of the rotary platform is provided with a first clamping device; the vertical handling module is mounted on a side of the docking module; the vertical handling module includes a liftable handling platform, and the handling platform is provided with a locking device and a second clamping device; the rotary handling module is mounted below the docking module; the rotary handling module includes a multi-branch rotating shaft and a horizontal plate mounted on each branch rotating shaft; and the horizontal plate is arranged with an AUV charging and information interaction device and a third clamping device.

A portable and inflatable boat with self-secure and storage arrangement includes a hard shell body and an inflatable floating platform. The hard shell body includes a container unit, made of rigid material, having a concave engaging surface extended between an upper surface and a lower surface to define a concave engagement groove. The inflatable floating platform includes an inflatable floating body which has a circular outer side and a U-shape inner side which defines a U-shape mounting slot forming a convex engagement ridge along the U-shape mounting slot. After inflation, the U-shape mounting slot is configured to fittingly receive the hard shell body therein and the convex engagement ridge presses against the concave engaging surface so as to engage the hard shell body with the inflated inflatable floating body securely.

The underwater robot for retrieving an underwater glider according to the present invention for retrieving an underwater glider for exploring the underwater to a ship comprises a main body module; a gripping module provided on the main body module, gripping the underwater glider to prevent damage to the underwater glider by restricting movement of the underwater glider while adjacent to the underwater glider; a connecting module connected to the main body module so that the underwater glider is lifted by the gripping module to the ship in a fixed state; and a control module for controlling the main body module and the gripping module by receiving location information from a receiver provided on the underwater glider and determining a distance from the underwater glider.

An autonomous tethered vehicle for recovering autonomous underwater vehicles (AUVs) is provided. The autonomous tethered vehicle includes an open-structure frame with vertical and horizontal frame members and a top surface attached to a top portion of the open-structure frame. The autonomous tethered vehicle further includes at least four horizontal thrusters operable to provide lateral maneuvering and at least two vertical thrusters operable to provide vertical thrust. Additionally, the autonomous tethered vehicle includes a plurality of onboard sensors operable to provide positional information of the autonomous tethered vehicle in reference to a nearby AUV, and an electronics housing unit having a control system operable to collect data from the plurality of the onboard sensors and make real-time operational decisions based on the collected data.

An attachable rescue floating device including a water sport apparatus, a floatation assembly, and an attaching assembly. The floatation assembly is connected to the attaching assembly to secure the floatation assembly to the water sport apparatus. Different embodiments of the attachment assembly include hook and loop fasteners, straps, magnets, or tie downs. The floatation assembly includes a gas cartridge which automatically inflates a balloon when water is detected to prevent the water sport apparatus from sinking. The floatation assembly includes a housing to wrap the balloon and the gas cartridge forming a rectangular shape to be attached to the water sports apparatus.

The invention relates to the technical field of deep sea salvage, and particularly provides a grab bucket anti-torsion device and a salvage ship. The grab bucket anti-torsion device comprises a supporting platform which is arranged on one side, in the horizontal direction, of a rotary platform of the salvage ship and located above the grab bucket of the salvage ship correspondingly, and a first opening which penetrates in the vertical direction and is used for allowing a steel wire rope connected with the grab bucket to pass through is formed in the supporting platform; the upper rotary platform is located above the supporting platform and rotationally connected with the supporting platform, a second opening which penetrates through the upper rotary platform in the vertical direction and is used for allowing the steel wire rope to pass through is formed in the upper rotary platform, and at least one group of steel wire rope winches for winding and unwinding the steel wire rope is arranged on the upper rotary platform; the driving mechanism is arranged on the supporting platform and used for driving the upper rotary platform to rotate in the same direction in the direction that the steel wire rope is wound or the grab bucket is twisted. The grab bucket anti-twisting device can effectively prevent the steel wire rope or the grab bucket from twisting.

The utility model discloses a foldable inflatable electric power recreational yacht which comprises a main air chamber, auxiliary air chambers are fixedly connected to the two sides of the main air chamber, side protection plates are arranged on the tops of the auxiliary air chambers, the auxiliary air chambers and the side protection plates are integrally formed, a ceiling is fixedly connected to the tops of the two side protection plates, and the top of the ceiling is provided with an air inlet. Inflatable seats are fixedly connected to the front side and the rear side of the top of the main air chamber, boat bottom plates are fixedly connected to the two sides of the bottom of the main air chamber, and T-shaped clamping plates are arranged at the bottoms of the boat bottom plates. The main air chamber, the auxiliary air chamber and the side protection plates are used in cooperation to form an inflatable boat body, the propeller can be rapidly assembled under the cooperation of the T-shaped clamping plate, the T-shaped clamping groove and the pre-locking assembly, and the propeller can flexibly sail in the horizontal direction under the cooperation of the main air chamber, the auxiliary air chamber and the propeller. The multi-air-chamber structure can prevent a single air chamber from leaking air and losing buoyancy, the double propellers are flexible in steering, and the double propellers can be deflated, folded and convenient to carry.

This invention relates to a self-leveling rotary transport device and method for docking and transferring multiple AUVs, belonging to the field of underwater robot equipment. It includes a docking module, a vertical transport module, and a rotary transport module. The docking module includes a rotary platform with a guide frame, and a first clamping device is provided on the top surface of the rotary platform. A vertical transport module is installed on one side of the docking module. The vertical transport module includes a liftable transport platform, and a locking device and a second clamping device are provided on the transport platform. The rotary transport module is installed below the docking module. The rotary transport module includes multi-branch shafts and horizontal plates installed on each set of branch shafts. An AUV charging and information interaction device and a third clamping device are arranged on the horizontal plates. This device increases the number of AUVs that can be docked and transferred, and can maintain the horizontal position of the AUVs during transfer, preparing them for subsequent actions such as AUV unloading. This invention also uses a separate rotary drive for the docking part to reduce the rotational resistance of the mechanism in seawater.

Underwater drilling assemblies and systems are disclosed. The underwater drilling assemblies and systems include drill assemblies, frames for drill assemblies, and connection flange assemblies to be fastened to a ship skin. The underwater drilling assemblies and systems further include waste cartridges and automatic air-bleed valve assemblies.

The utility model relates to the technical field of fishing devices, in particular to a frame structure of an underwater large-depth fishing device. The utility model aims to provide the frame structure of the fishing device, which is simple and quick to install, high in carrying performance, convenient to assemble and capable of meeting the underwater large-depth environment. The frame structure comprises a main body frame, a lifting lug, a propeller fixing seat, a paw fixing seat and the like, and the salvaging device can be conveniently deployed and recycled. The underwater robot is high in carrying capacity, a control system, a power transmission and propulsion system, a hydraulic system, a navigation and positioning system, an observation and detection system and the like can be integrated according to the requirements of underwater operation tasks, and the functions of underwater movement, navigation and positioning, observation and detection and the like are achieved; meanwhile, a salvage clamping module or an auxiliary mechanical arm can be carried, and target salvage recovery and search and rescue operation tasks under the underwater large-depth environment can be completed.

The invention relates to the technical field of underwater vehicle laying and recovery, and provides an underwater vehicle laying and recovery clamping device which comprises a driving assembly, a support assembly, two sets of lead screw transmission assemblies, a fixed arm assembly and two sets of rotating arm assemblies. The two rotating arm assemblies are symmetrically arranged at the two ends of the fixed arm assembly respectively, the two lead screw transmission assemblies are symmetrically arranged on the two sides of the driving assembly and fixed to the support assembly, one end of each lead screw transmission assembly is connected with an output shaft of the driving assembly through a coupler to obtain torque, and the other end of each lead screw transmission assembly is connected with the corresponding rotating arm assembly. The driving assembly drives the lead screw transmission assemblies on the two sides at the same time, the lead screw transmission assemblies convert rotating motion of the driving assembly into linear motion, the rotating arm assemblies are pushed to rotate around pivots of the rotating arm assemblies, and synchronous opening or closing of the two rotating arm assemblies is achieved. According to the invention, remote control and automatic clamping of the underwater vehicle in the launching and recovery process can be realized.

A system for retrieval of objects submerged and lost in water is disclosed. The system comprises a gas release cartridge (15; 25), an activation assembly (16; 17; 18; 19; 20; 21; 22; 23; 26) arranged for activation of the gas release cartridge in response to at least one of: lapse of time, pressure, trigger-wire, indirect water contact, or remote acoustic command or any combination thereof, components of which are all contained in an inflatable bladder (7). A guide line (6), one end thereof attached to the bladder and the other end connectable to the object, is housed inside a non-watertight casing (1) together with the inflatable bladder (7).

Inflatable assembly (1) comprising a tubular textile support (10) made of seamless fabric, said support being coated with a layer of thermoplastic polymer material and being closed at its ends (3, 4) so ​​as to obtain a chamber airtight to an inflation gas, in which the walls (7) of said chamber have a surface density of less than 1000 g / m². Figure for the abbreviation: Fig. 2

The present invention relates to an arrangement for retrieving broken moorings comprising: at least three shackles; at least two slings; at least one mooring; at least one hook; at least one ROV needle rope; and a treble hook. The upper end of the mooring is connected to a working rope with a swivel link, and the lower end of the mooring is connected to the treble hook. In addition, the invention also describes a method for retrieving broken moorings, using said arrangement for retrieving moorings, comprising the following steps: positioning a treble hook close to a mooring to be retrieved; passing a sling around the mooring; connecting a sling to the hook; applying traction; and accommodating the mooring. In this way, the invention combines the flexibility and adaptability necessary to operate in different suspension conditions on the seabed, ensuring the efficient retrieval of the broken moorings, both in environments with high-suspension seabeds and in low-suspension seabeds.

The foldable kayak may include a single piece hull including a plurality of fold lines along which the hull is foldable. A removable floorboard lines the mid-hull section of the hull between the bow and stern sections, the floorboard being configured to be releasably retained by a pair of outboard walls including seating assemblies and permanently secured at the port and starboard sides of the cockpit. The stern section of the hull is permanently folded into a V-shaped (also known as a swallow-tailed) configuration to form a closed transom of the kayak. The bow, stern, and mid-hull sections are configured as a tri-fold such that the bow and stern sections of the kayak are foldable relative to one another and overlap the mid-hull section of the hull when folded.

The utility model discloses a combined ship which comprises a ship body and is mainly characterized in that detachably-installed connecting frames are arranged on the two sides of the ship body respectively, the connecting frames on the two sides of the ship body can be fixed into a whole through a front rod and a rear rod, the ship body is enclosed by the front rod, the rear rod and the connecting frames on the two sides, the front portion of the ship body is fixed to the front rod, and the rear portion of the ship body is fixed to the rear rod. The rear portion of the ship body is fixed to the rear rod, and a detachably-installed floating body is arranged below the connecting frame on each side. Therefore, the ship body can be combined with the floating bodies on the two sides into a whole through the front rod, the rear rod and the connecting frames on the two sides to jointly bear buoyancy, so that the floating stability of the ship is improved, and the ship body is prevented from rollover; meanwhile, the floating body is formed by sequentially splicing and combining the front floating body, the middle floating body and the rear floating body, so that great convenience is brought to a user to move and store; besides, a plurality of splicing holes are formed in the outer side face of the connecting frame on each side, the multiple combined ships are spliced into a whole through the splicing holes to jointly bear buoyancy, and then a floating platform capable of being flatly stressed is formed.

A unit for examining and recovering suspicious objects in underwater locations, in particular explosive ordnance, the unit comprising a supporting body and a gripping device with at least two gripping shells which are arranged opposite one another and between which a receiving region is formed, the gripping device being mechanically connected to the supporting body at a connecting point such that a gripper region is formed which extends from the connecting point in a direction facing away from the supporting body, the unit additionally comprising at least one flushing nozzle which is mechanically fastened in the gripper region, the flushing nozzle being configured to dispense a flushing medium for uncovering the suspicious object outside the receiving region of the gripping shells, the flushing nozzle comprising a suction pump which is connected in a fluid-conducting manner to at least one suction piece, the suction piece being arranged in the gripper region to provide a sediment extraction means in the vicinity of the suspicious object.

A catamaran lifting apparatus is disclosed for lifting objects in a marine environment. The apparatus includes first and second vessels that are spaced apart during use. A first frame spans between the vessels. A second frame spans between the vessels. The frames are spaced apart and connected to the vessels in a configuration that spaces the vessels apart. The first frame connects to the first vessel with a universal joint and to the second vessel with a hinged connection. The second frame connects to the second vessel with a universal joint and to the first vessel with a hinged or pinned connection. Each of the frames extends upwardly in an inverted u-shape, providing a space under the frame and in between the barges that enables a marine vessel to be positioned in between the barges and under the frames.

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 present invention relates to an auxiliary recovery system and recovery method for underwater rocket-powered vehicles, belonging to the technical field of underwater vehicle marine test recovery. The system includes a jettisoning mechanism for separating a jettisonable nose section from a recovery position-indicating section to jettison the jettisonable nose section, a parachute ejection device for ejecting a parachute inside the system out of the recovery position-indicating section to open the parachute, a smoke generator for emitting smoke for easy identification, a satellite position-indicating device for locating the rocket-powered vehicle's position at sea, a sensor assembly for acquiring the water depth, speed, and attitude information of the rocket-powered vehicle and transmitting it to a control module, and a recovery control module for issuing corresponding instructions to the jettisoning mechanism, the parachute ejection device, the smoke generator, and the satellite position-indicating device based on information fed back by the sensor assembly. Based on this system, rapid recovery of a negatively buoyant underwater rocket-powered vehicle with a speed exceeding 80 knots can be achieved with high recovery reliability.

The utility model relates to an underwater robot clamping device with multiple matching and adjusting structures, which comprises a supporting plate, a hydraulic cylinder is fixedly connected to the outer side of the supporting plate, and a suction cup is fixedly connected to the output end of the hydraulic cylinder. Firstly, the supporting plate is installed on a mechanical arm of the underwater robot, during clamping, the supporting plate is tightly attached to the surface of an object through the suction cups, then a water pump is started, water flow and air between the suction cups and the object are driven by the water pump to be pumped out, and the object is tightly adsorbed by the suction cups; the first horizontal gear is driven by the toothed plate to rotate, so that the first clamping plate is further attached to the outer side of an object, the invisible object is adsorbed through the suction cup to be clamped, the first clamping plate is made to be close to each other through rotation of the first clamping plate, the object is further reinforced, and the clamping stability and clamping convenience of the device are further improved.

The utility model relates to a self-righting inflatable rubber boat and belongs to the technical field of rubber boats, the overall structure is simple, the anti-impact effect of a rubber boat main body is effectively improved, and compared with the prior art, the rubber boat main body can be prevented from rolling over after being impacted, a user is prevented from falling into water to be injured, and the service life of the rubber boat is prolonged. The rubber dinghy guarantees personal safety of a user, is high in use safety and good in practicability and comprises a rubber dinghy body. The two mounting plates are detachably connected to the outer wall of the rubber dinghy main body, three supporting rods are fixedly connected to the mounting plates, and the other ends of the three supporting rods are fixedly connected with a strip-shaped plate; the floating mat main bodies are detachably connected to the strip-shaped plates; and the two protection mechanisms are correspondingly arranged at the front end and the rear end of the rubber dinghy body correspondingly and used for conducting anti-collision protection operation on the rubber dinghy body, and each protection mechanism comprises four rubber connecting columns.

The invention relates to the technical field of rescue boats, in particular to a water-air amphibious flight rescue boat, and aims to solve the problems that when an existing unmanned lifeboat is used for rescuing a wounded person, the wounded person needs to climb by himself / herself, the single time consumption is long, the next target is difficult to quickly turn to, the final rescue efficiency is reduced, and the rescue cost is high. The rescue boat body lifts off by starting the flight module, the main camera and the thermal imaging unit are matched to search for a wounded person, then the flight attitude control unit adjusts balance and guides the boat body to land on the water surface, the water surface buoyancy unit keeps stable, then the wounded person grabs a chain plate handle, and a motor is started to drive a roller and a conveying belt to operate. The wounded person is actively pulled to the boat body, then the rotating rod rotates to drive the clamping plate to approach the wounded person, meanwhile, the inflation component inflates the air bag B to clamp and fix the wounded person, the auxiliary camera monitors the clamping state, finally, the propeller drives the boat body to avoid obstacles and transfer the wounded person to a safe area, the wounded person does not need to climb by itself, and therefore the rescue efficiency is improved.