613results about "Vessel salvaging" patented technology

The invention provides a salvage device with a wide salvage range for a ship and a salvage method of the salvage device. The ship salvage device comprises a lifting device, a grabbing assembly and an inflation and deflation device, the grabbing assembly is provided with an air bag, a connecting frame and a plurality of clamping jaws arranged on the periphery of the connecting frame, and the upper end of each clamping jaw is rotatably installed on the connecting frame around the horizontal axis. The airbag is connected to the connecting frame; and the inflating and deflating device is configured to inflate or deflate the air bag. Due to the fact that the air bag and the inflation and deflation device are arranged, after the grabbing assembly is located in water, the air bag can be inflated, the grabbing assembly is made to suspend in the water and move along with water flow, underwater survey is conducted, and when an object needs to be fished, the grabbing assembly can be stopped, and the fished object is fished. Due to the fact that the air bag can drive the grabbing assembly to move in a large range, the fishing device can have a large fishing range, and the lower the failure rate is, the higher the fishing efficiency is.

The invention discloses an overwater mobile platform which is formed by compounding a plurality of buoyancy body assemblies of hollow structures through stress structure assemblies, the load distribution of the overwater mobile platform can be effectively optimized, the stability and reliability of the overwater mobile platform can be improved, and meanwhile the buoyancy and the anti-sinking capacity of the overwater mobile platform can be improved through anti-sinking assemblies. Therefore, by means of the combined design of the buoyancy body assembly of the hollow structure, the stress structure assembly, the anti-sinking assembly and the advancing power assembly, the water moving platform has the advantages of being high in buoyancy, high in safety and multifunctional.

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 utility model belongs to the technical field of inflatable boats, and discloses a high-pressure rapid inflation system for an inflatable boat and the inflatable boat. The inflation system is applied to the inflatable boat, in the process of throwing the inflatable boat to the sea surface, the stop valve is triggered to open the first air supply pipeline, high-pressure air in the high-pressure air cylinder is released instantly, and the high-pressure air is conveyed to a boat body of the inflatable boat through the first air supply pipeline, a first air inlet connector of the diverter valve, an air outlet connector of the diverter valve and the inflation pipeline; the boat body of the inflatable boat can be quickly filled with air, so that the time is greatly shortened, and the rescue efficiency is improved; the inflatable boat basically floats on the sea surface after being launched, and the requirements for water tightness and air inlet design of the electric air supplementing pump part are low; the pressure transmitter monitors the gas pressure in real time, and when the pressure of the air chamber of the inflatable boat body is lower than a set value, the control unit triggers the electric air supplementing pump to start to supplement air to the air chamber of the boat body of the inflatable boat through the second air supply pipeline, the second air inlet connector of the diverter valve, the air outlet connector of the diverter valve and the inflation pipeline.

The invention relates to an underwater special operation robot and a butt joint method thereof.The underwater special operation robot body comprises a main buoyancy shell, a body main support, an umbilical cable, a power propelling system, a combined navigation system, a lamplight camera system, a capturing and locking device and a wet plugging device; the power propulsion system is used for driving the underwater special operation robot body to move; the combined navigation system is used for accurately positioning and navigating the underwater special operation robot; the light camera system is used for identifying and extracting an unmanned underwater vehicle AUV end docking device; the capturing and locking device is used for being connected with an unmanned underwater vehicle (AUV) end docking device in a locking mode. After the underwater special operation robot is in butt joint with the unmanned underwater vehicle AUV, energy supply and information transmission are completed, so that the unmanned underwater vehicle AUV can continuously perform underwater operation, low operation efficiency caused by frequent floating is avoided, and meanwhile, the safety risk possibly occurring in the process of recycling the unmanned underwater vehicle AUV is also reduced.

The invention belongs to the technical field of underwater salvage, and particularly relates to an underwater salvage device for sea rescue, the underwater salvage device comprises a salvage robot, a moving track recording device and a steering assembly, the moving track recording device is mounted on a shell of the salvage robot, and the steering assembly is mounted in the middle of the salvage robot. And the steering assembly is used for correcting the track of the fishing robot. According to the device, the propeller enables the device to quickly move forwards, the position needing to be fished is preset, namely, the moving track of the fishing robot is a set route, the fishing robot dives to the position near the fishing position during fishing, and the first driving suction cup structure on the fixed rear foot seat is aligned to the seabed or reef during moving; the PLC is used for programming and controlling the adsorption assembly and the steering assembly to perform coordinated operation, so that the salvage robot can stably advance according to a set route until the salvage robot moves to a salvage position, and the salvage assembly can perform salvage treatment.

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.

The invention discloses a target salvage method for a turbid water body based on artificial intelligence, and belongs to the technical field of underwater search, and the method comprises the following steps: S1, scanning the water bottom of a water area where a salvage target is located by using a side-scan sonar of an unmanned ship, and obtaining side-scan sonar data; s2, generating a sonar image; s3, obtaining a suspected salvage target; s4, determining ring scan sonar data according to the suspected salvage target; s5, determining a suspected target material of the suspected salvage target; and S6, judging whether the suspected target material is consistent with the salvaged target material or not, if so, acquiring a returned image by using the underwater robot, enhancing the returned image to obtain a complete enhanced image, and salvaging, otherwise, returning to S1. According to the method, the underwater robot carries the high-definition camera, and an underwater enhancement algorithm is matched, so that images at the turbid water bottom can be easily seen clearly, and the operation safety of the underwater robot in a turbid water area and the fishing operation efficiency can be improved.

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 present invention discloses a saddle-type capture device and capture method for an underwater vehicle of a marine engineering project, comprising a chassis floating above an autonomous vehicle, with a plurality of buoys symmetrically arranged on both sides of the chassis for providing buoyancy; a positioning arm assembly is also rotatably mounted on the chassis on the same side as the buoys, and the positioning arm assemblies on both sides are clamped on the surface of the autonomous vehicle, a hydraulic drive assembly for driving the positioning arm assembly to rotate is installed on the chassis, a capture port is opened at the center of the chassis, a lead screw drive assembly is installed on the chassis on one side of the capture port, and a track pressure plate is installed in parallel on the other side; two mushroom-head clamping plates are provided with clamping ports on opposite sides, and the upper and lower positions of the two mushroom-head clamping plates are staggered above the capture port, and move synchronously toward or in the opposite direction. The device creatively utilizes the principle of a saddle to allow the device to use buoys to cross over and erect the autonomous vehicle, thereby avoiding the influence of the ups and downs and swaying of the mother ship under the influence of sea conditions on the capture device.

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 overwater platforms, in particular to a modularized intelligent unmanned air floating platform and an overwater fixing method thereof.The modularized intelligent unmanned air floating platform comprises an air module combination body, the air module combination body comprises a plurality of air module modules, and inflation valves are arranged on the air module modules and used for inflating or deflating the air module modules; every two adjacent gas model modules are connected through a braid buckle, so that the multiple gas model modules are spliced together. A plurality of air model modules are spliced to form the air model combination body, an overwater operation platform can be rapidly built according to different application scenes, for example, the air model combination body can be used for stopping a ship or an unmanned aerial vehicle on the water surface or used as a stage, the expansibility and applicability are high, and rapid moving deployment can be achieved; each gas model module can be folded through deflation, so that the transportation is convenient, and the transportation cost is reduced; in addition, the two adjacent air model modules are quickly spliced through the braid buckles, and the water platform can be quickly deployed.

A surfboard is provided, which may include a first air chamber, a second air chamber, and a partition arranged between the first air chamber and the second air chamber. The partition may comprise: a first connecting portion connected to a top wall of the first air chamber and to a top wall of the second air chamber; a second connecting portion connected to a bottom wall of the first air chamber and to a bottom wall of the second air chamber; and an intermediate portion extending between the first connecting portion and the second connecting portion.

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.