73results about "Boat releasing/projecting devices" patented technology

An all-weather maintenance system for an offshore wind turbine maintenance program includes a maintenance capsule for transporting tools, parts and maintenance personnel to and from respective wind turbine towers, a maintenance vessel with a capsule support apparatus for transporting capsules supported on board by the capsule support apparatus to and from respective wind turbine towers, and a crane assembly with a trolley for transporting capsules between the respective wind turbine towers and the maintenance vessel.

The invention discloses a device and method for storing small boats. Cabins for storing the small boats are arranged on a boat body of the device, a channel which tilts downwards is formed in the stern portion of the boat body, one end of the channel is connected with the cabins, and a stern door which can rotate downwards is hinged to the other end of the channel. The stern door, the channel and the cabins are respectively provided with an idler roller set which is composed of a plurality of pairs of idler rollers supporting the bottoms of the small boats from the two sides. The two sides of the idler roller set on the cabins are respectively provided with a mobile guide rail, the mobile guide rail on each side is provided with a trolley, and each trolley is provided with a traction device and a boat pushing device. According to the device and method for storing the small boats, the stern door can be rotated downwards, the small boats can slide to the boat body from the idler roller set on the stern door through the channel, then the trolleys are used for pushing the small boats to the corresponding positions of the small boats to be fixed, operation is convenient, the purpose that the storing device in one mother boat can be used for storing a plurality of small boats, operation is convenient, and the safety is high.

The invention discloses an unmanned ship cloth releasing and recovering device with a dock ship as the mother ship. The unmanned ship cloth releasing and recovering device comprises a bracket mechanism and a guiding and winding mechanism. The bracket mechanism is arranged on the mother ship. The appearance of the bracket mechanism is matched with the appearance of an unmanned ship. The bracket mechanism is used for wrapping the whole unmanned ship and supporting the unmanned ship. The bracket mechanism is further used for releasing or locking the unmanned ship according to instructions. The guiding and winding mechanism is arranged on the unmanned ship and used for aiming at a cabin of the mother ship and ejecting out a steel cable so that the unmanned ship can drive into the bracket mechanism according to the designated trajectory. Thus, by means of the unmanned ship cloth releasing and recovering device, the 3-tonnage-level (7.5-m-length) unmanned ship can safely and reliably releaseand recover cloth under the 4-level sea state; the unmanned ship cloth releasing and recovering device has the advantages of being reliable in running, simple in structure, high in autonomy and the like; under the complicated marine environment, the efficiency of the unmanned operation ship is improved, the cloth releasing and recovering program of the unmanned ship is simplified, and the space utilization efficiency of the mother ship and the unmanned ship is improved.

Device (10) or apparatus for launching at least one boat (12) from a structure (14), that is at least partially surrounded by water (16), into the water. The device (10) comprises at least one launch ramp (18) and means to effect translational displacement of said at least one launch ramp (18) when the device (10) has been mounted on said structure (14) in order to enable the position of said at least one launch ramp (18) to be changed before launching said at least one boat (12) into the water (16).

The present invention provides a lifeboat disengagement system for supporting and releasing a twin fall lifeboat, the system comprising a single lifeboat release assembly and a pair of hook assemblies for releasable engagement with a corresponding pair of lifting links. The lifeboat disengagement system includes an engaged configuration wherein the lifting links are secured by the hook assemblies, and a disengaged configuration wherein the lifeboat release assembly is employed to release the lifting links from the hook assemblies simultaneously. The lifeboat disengagement system provides positive locking under load including a load over center design such that a load of the lifeboat is in line with a center of hook rotation, thereby preventing the hook from opening inadvertently and eliminating the need for a hydrostatic device.

The present invention provides a system for supporting and releasing a twin fall lifeboat, comprising a pair of hooks releasably engaged with a corresponding pair of lifting links; and a lifeboat release assembly. The lifeboat release assembly includes a release handle, a release arm, an emergency release shaft, a weighted rack, and a pair of flexible cables attached at first ends to the rack and attached at second ends to the hooks. The release handle attaches to the release arm at a pivot point. The release arm includes a wheel disposed within a wheel encasement attached to the weighted rack. The system includes an engaged configuration in which the lifting links are secured by the hooks. The release handle is pulled to release the lifting links from the hooks substantially simultaneously. An emergency ratchet lever engages with the emergency release shaft for releasing the twin fall lifeboat under load.

The lifeboat release mechanism has a hook movably mounted therein. This hook has a concave surface on its lower end. A latch block having a convex surface thereon is also movably mounted therein. In a holding mode, the convex surface of the latch block is laid against the concave surface of the hook. In a release mode, the convex surface is below the concave surface. In a first aspect of the invention, the concave surface extends above and below an axis of rotation of the latch block to prevent an unattended release of the mechanism. In another aspect, the concave surface and the convex surface have a same radius of curvature to prevent localized wear thereon. In a third aspect, the latch lock is rotatable over an angular displacement of 80° between a holding position and a release position, such that the releasing of the mechanism is predictable.

The invention relates to methods and devices for launching into the water, from a height H greater than a predetermined height hmax, a life-saving object designed to be able to be launched into the water in free fall from this maximum height hmax. One end of a halyard is fixedly hooked to the life-saving object or to the launch site; the halyard functionally cooperates respectively with the launch site or the life-saving object so that the life-saving object falling by gravity is braked on and / or by the halyard over at least one part (H-hmax) of its drop height. By controlling the braking effect, the life-saving object, falling from the height H in a braked manner over at least one part (H-hmax) of this height hits the surface of the water (5) with a kinetic energy not exceeding that which it would have at the end of a non-braked free fall from at most the height hmax.

The invention provides a wireless cord-pulling multi-lever linkage device used for remote unhooking. The wireless cord-pulling multi-lever linkage device is used in the fields of ships, deep wells, nuclear power and the like. Underwater devices can be released and recycled in the ocean exploration process. The wireless cord-pulling multi-lever linkage device used for remote unhooking comprises a mechanical part and an electronic control part. A main body works in a mechanical multi-lever linkage mode. Power majorly stems from springs. A motor serves as a displacement driving power source and is subjected to remote control. The work process includes mechanism restoration, circuit electrification resetting and starting of official working. The wireless cord-pulling multi-lever linkage device used for remote unhooking can achieve the purpose of remote releasing and unhooking, multiple stages of levers are adopted, the gravity of weights is reduced and finally the weights are converted to a mechanical dead center, the safety of the lifting process is guaranteed, and the risk of automatic unhooking of the weights is avoided. The wireless cord-pulling multi-lever linkage device used for remote unhooking is small and exquisite in appearance, low in cost, convenient to operate and safe in unhooking.

An all-weather maintenance system for an offshore wind turbine maintenance program includes a maintenance capsule for transporting tools, parts and maintenance personnel to and from respective wind turbine towers, a maintenance vessel with a capsule support apparatus for transporting capsules supported on board by the capsule support apparatus to and from respective wind turbine towers, and a crane assembly with a trolley for transporting capsules between the respective wind turbine towers and the maintenance vessel.

The invention discloses a throwing type inflatable life raft frame. The throwing type inflatable life raft frame comprises a base, a first rocker arm, a second rocker arm, a third rocker arm and an inflatable life raft releasing mechanism, wherein the first rocker arm, the second rocker arm, the third rocker arm and the inflatable life raft releasing mechanism are sequentially hinged, the base is of an oblique frame structure with the front portion lower than the rear portion, and the rear end of the base vertically extends upwards to form a support. Each rocker arm is of a frame structure and comprises two side bars and a plurality of rocker arm cross bars arranged at intervals. The lower end of the first rocker arm is hinged to the upper side of the front end of the base, the lower end of the third rocker arm perpendicularly abuts against the outer side of the upper portion of the support, and the inflatable life raft releasing mechanism is arranged on the lower portion of the base. The throwing type inflatable life raft frame is used in the way that 1, the rocker arms are pushed to be located on an inclined straight line; 2, a locking pin is pulled out, a pull rod is pulled, a binding system disengages from the raft frame, and the three rocker arms are unfolded to form an inclined slideway; 3, an inflatable life raft falls off along the inclined surface of the upper side of the base and rolls into water along the slideway. The throwing type inflatable life raft frame is simple in structure and convenient to use, and the inflatable life raft can roll into water quickly from the slideway.

The invention relates to the field of underwater robot cloth releasing and recovering devices, in particular to an AUV automatic cloth releasing and recovering device. The AUV automatic cloth releasing and recovering device comprises a positioning base part, a holding and clamping device part and a sliding bolt hoisting device part, wherein the positioning base part is of a single-layer rectangular platy structure, the upper surface of the positioning base part is connected with the holding and clamping device part and the sliding bolt hoisting device part, the holding and clamping device partis of a structure with two symmetrical holding and clamping arm groups located at the two far ends of the positioning base part correspondingly, the sliding bolt hoisting device part is of a circulartruncated cone structure, the bottom of the sliding bolt hoisting device part is located at the center of the positioning base part, and a connector on the top of the sliding bolt hoisting device part is connected with a mother ship through a cable. Automatic hooking and unhooking can be controlled through the device, the AUV cloth releasing and recovering reliability and safety are improved, andthe human assistance of personnel on the mother shop is reduced.

The invention relates to a four-degree-of-freedom ejection mechanism for releasing and recovering of an unmanned surface vehicle. The four-degree-of-freedom ejection mechanism is composed of an ejection self-adjustment system, a lead screw guiding rail base, a lead screw driving system and an ejection cylinder system, a groove-type coupler of the ejection self-adjustment system is fixedly connected with an ejection cylinder body of the ejection cylinder system, and a base of a torque motor rotating platform at the bottom of the ejection self-adjustment system is fixedly connected with a base body of the lead screw guiding rail base. The lead screw driving system is used for driving a lead screw in the lead screw guiding rail base to drive the whole mechanism to horizontally move. The four-degree-of-freedom ejection mechanism has four degrees of freedom, is high in maneuverability, can release and recover the unmanned surface vehicle in an actual ocean environment and can further have the functions of releasing and recovering operation adjustment optimization in the simulated ocean environment.

The invention provides a lifeboat lowering device. The technical problem that a lifeboat frame is poor in safety in the prior art can be solved. The lifeboat lowering device comprises a machine frame, a pushing device for pushing the machine frame to overturn outwards and a lifeboat tying device for fixing a lifeboat, and is characterized in that the machine frame comprises a rotating frame and a supporting frame, the supporting frame is connected to the upper end of the rotating frame, the supporting frame and the rotating frame are arranged in a V-shaped-structure mode, and the lower end of the rotating frame is hinged to a ship; the lifeboat tying device comprises a connecting rod hinged to the middle of the rotating frame, a fixing part fixed at the upper end of the rotating frame and a rope for connecting the connecting rod and the fixing part.

The invention provides a ship lifesaving device capable of being automatically released. The ship lifesaving device is technically characterized by comprising a lifeboat, a supporting frame and a boarding ladder. The lifeboat is a totally-closed lifeboat. The lifeboat comprises an upper cabin and a lower cabin. Sliding plates which are outwards overturned are arranged on the positions, connected with the upper cabin, of the lower cabin, the sliding plates and the lower cabin are integrally formed, a rear door and two side doors are arranged on the upper cabin, the rear door is a split type cabin door, and the side doors are push-pull type cabin doors. The ship lifesaving device capable of being automatically released is safe, reliable and convenient to use, the lifeboat is guaranteed to be definitely securely fixed to a ship, and the lifeboat can quickly and simply leave the ship in distress during emergencies, so that the efficiency of escape is increased.

The invention discloses a release structure of a free fall style lifeboat. The release structure ensures that the free fall style lifeboat still can quickly release when a normal release lever is out of order to improve safety. The release structure of a free fall style lifeboat comprises a lifeboat body, a release hook, a connection release hook transmission gear and a normal release lever, wherein the drive end of the connection release hook transmission gear is connected with the normal release lever. The release structure of a free fall style lifeboat is characterized in that the drive end of the connection release hook transmission gear is connected with an emergency release lever.

The present invention provides a lifeboat disengagement system for supporting and releasing a twin fall lifeboat, the system comprising a single lifeboat release assembly and a pair of hook assemblies for releasable engagement with a corresponding pair of lifting links. The lifeboat disengagement system includes an engaged configuration wherein the lifting links are secured by the hook assemblies, and a disengaged configuration wherein the lifeboat release assembly is employed to release the lifting links from the hook assemblies simultaneously. The lifeboat disengagement system provides positive locking under load including a load over center design such that a load of the lifeboat is in line with a center of hook rotation, thereby preventing the hook from opening inadvertently and eliminating the need for a hydrostatic device.

The invention provides an emergency escape device and an escape method for an offshore platform, belonging to the technical field of life-saving equipment for an offshore platform. The device comprises a lifeboat, a top plate and two fixing mechanisms, left-right symmetrical arrangement of the two fix mechanisms is achieved, A lifeboat is arrange horizontally between two stationary mechanisms, Thefixing mechanism comprises a fixing body, a deceleration bar and two retaining plates, the deceleration bar is located on the side wall of the fixing body close to the lifeboat, the two fixing platesare respectively located on both sides of the speed reduction bar, The top plate is fixedly arranged at the top of the two fixed bodies, A release device capable of lowering the lifeboat slowly to the water surface is arranged between the top plate and the lifeboat, The top of the lifeboat is provided with a decelerating device capable of decelerating and dropping the lifeboat by using the decelerating strips on the two fixing bodies when the releasing device is broken, and the lifeboat is provided with a support mechanism capable of fixing the lifeboat between the two fixing mechanisms by using four fixing plates. The invention has the advantages of convenient use, safety and reliability.

Device (10) or apparatus for launching at least one boat (12) from a structure (14), that is at least partially surrounded by water (16), into the water. The device (10) comprises at least one launch ramp (18) and means to effect translational displacement of said at least one launch ramp (18) when the device (10) has been mounted on said structure (14) in order to enable the position of said at least one launch ramp (18) to be changed before launching said at least one boat (12) into the water (16).

The invention relates to the field of underwater robot laying and recovery, in particular to an underwater robot laying and recovery oscillation stopper, swing frame and system, the underwater robot laying and recovery oscillation stopper comprises a fixed frame and a swimming lock frame, the fixed frame is respectively provided with a swimming lock winch, the swimming lock winch is provided with one end of a steel wire rope, and the other end of the steel wire rope is connected with the swimming lock frame. A lock body with a through hole formed in the middle is arranged in the swimming lock frame, fixing grooves are formed in the side wall of the lock body in the circumferential direction, a latch is arranged in each fixing groove, the middle of each latch is hinged to the side portion of the corresponding fixing groove, one end of each latch is located in the through hole of the lock body, and the other end of each latch is hinged to one end of a telescopic rod. The other end of the telescopic rod is hinged to the lock body. After the swimming lock frame and the underwater robot are connected into a whole, the swimming lock winch is controlled to lift or put down the steel wire rope, the steel wire rope drives the swimming lock frame and the underwater robot to move, when the underwater robot penetrates through a liquid level splashing area, an umbilical cable does not need to bear load, and the umbilical cable is prevented from being damaged under severe sea conditions.

The invention discloses a projecting device for a recovery stage of an unmanned vessel, which is mounted on the unmanned boat through a support seat. The projecting device comprises a launching tube and a projectile; The projectile is shaped like a missile; Projectiles are placed in the launch tube prior to the unmanned vessel recovery phase; The projectile comprises a bullet, a high-pressure gascylinder, an elastic spiral tail mounted on the outer surface of the high-pressure gas cylinder, a counter-rotating mechanism and a traction rope fixed on the counter-rotating mechanism.- One end of the high-pressure gas cylinder is provided with a bullet head, and the other end of the high-pressure gas cylinder is provided with a reverse rotation mechanism; The rotational direction of the counter-rotating structure is opposite to that of the elastic helical tail in the process of projectile launching. The invention improves the overall streamlinearity of the projectile to adapt to better aerodynamic characteristics, further improves the projectile precision of the projectile device, and increases the safety reliability of the unmanned boat recovery stage and the success rate of the unmanned boat recovery.

The lifeboat release mechanism has a hook movably mounted therein. This hook has a concave surface on its lower end. A latch block having a convex surface thereon is also movably mounted therein. In a holding mode, the convex surface of the latch block is laid against the concave surface of the hook. In a release mode, the convex surface is below the concave surface. In a first aspect of the invention, the concave surface extends above and below an axis of rotation of the latch block to prevent an unattended release of the mechanism. In another aspect, the concave surface and the convex surface have a same radius of curvature to prevent localized wear thereon. In a third aspect, the latch lock is rotatable over an angular displacement of 80° between a holding position and a release position, such that the releasing of the mechanism is predictable.

The invention discloses a ship lifeboat releasing device. The ship lifeboat releasing device comprises a plurality of solid rockets symmetrically arranged on the two sides of a lifeboat, a rocket launcher for containing solid rockets and a launcher base, wherein the launcher base is arranged at the bottom of the rocket launcher and is fixed on a ship deck; an ejection system is arranged in the launcher base, and consists of four parts of a gas storage tank, a gas distribution pipeline, a buffer chamber and a nozzle, wherein the gas storage tank is used for pre-storing high-pressure compressedair; the buffer chamber is communicated with the gas storage tank through a gas distribution pipeline; the nozzle is in horn shape, and is provided with a small-caliber end communicated with the buffer chamber and a large-caliber end penetrating out of the launcher base. According to the ship lifeboat releasing device, boat davit related mechanisms of a conventional lifeboat are omitted, a solid rocket ejection type full-closed lifeboat is adopted, it is guaranteed that the lifeboat can be timely separated from a ship body in a free falling mode under any deformation or damage condition of theship body; and meanwhile, the impact force caused by the free falling is relieved through the buffer action of the solid rockets.

A lifeboat hook assembly comprising a hook-shaped beak (5) and a release mechanism (6), said hook shaped beak (5) is rigidly connected to a lifeboat (2) at one end, said hook shaped beak (5) having a downwardly oriented shoulder (18) against which a loop (17) is adapted to rest so that the lifeboat is suspended in said loop (17), said release mechanism (6) is coupled to the hook-shaped beak (5) and is adapted to move relative to the hook-shaped beak (5) between a locked position (8a, 10a) wherein the loop is prevented from escaping from the shoulder (18), and a releasing position (8e, 10e) wherein the loop (17) is allowed to escape from the shoulder (18), an actuator (11) is coupled to the release mechanism (6) and is adapted to move the release mechanism (6) between the locked position (8a, 10a) and the releasing position (8e, 10e). The invention being distinctive in that said hook shaped beak (5) or said release mechanism has a first guide slot (7) and a second guide slot (9), said other of said hook shaped beak (5) or release mechanism (6) has a first guide pin (8) and a second guide pin (10), said first guide pin (7) being adapted to engage with the first guide slot (8), said second guide pin (10) being adapted to engage with the second guide slot (9).

The invention relates to an unexpected slide preventing type double-layer raft frame. The unexpected slide preventing type double-layer raft frame comprises an inclined base, a fastening rope, gear levers and a hydrostatic pressure releaser, and further comprises a limiting rod, wherein the middle lower parts of one or more gear levers are hinged to the inclined base, and are uniformly distributedin an inclination direction of the inclined base; the upper parts of the gear levers are in puling connection onto the inclined base by the fastening rope wound and tightened on a life raft via the hydrostatic pressure releaser; the limiting rod is arranged on the lower part of the inclined base in a penetrating mode in a direction parallel to the inclination direction of the inclined base, and can be in a movable drawing and pulling state in the inclination direction of the inclined base; and the limiting rod is movably arranged in a limiting hole in the lower part of each gear lever in a penetrating mode. The unexpected slide preventing type double-layer raft frame is simple in structure, is stable and convenient to use, can effectively prevent the problem that the life raft drops unexpectedly or cannot be released through faults, and improves use safety performance.

The invention discloses a life raft frame for a ship. The life raft frame comprises a folding structure arranged on the outer side of a ship body. The folding structure comprises a pull rod and a plurality of linkage rods. And connecting pieces are rotationally connected between the pull rod and the linkage rods and between the linkage rods. A mounting plate is fixedly connected to the linkage rod, and a limiting device is arranged on the mounting plate. One side of the mounting plate is semicircular, and the semicircular side wall of the mounting plate is fixedly connected with a guide groove. According to the invention, the multiple lifesaving rafts can be released in a unified mode, the lifesaving raft releasing positions are consistent in interval, all the lifesaving rafts keep safe intervals and do not interfere with one another, and people on the ship dive and climb on the lifesaving rafts to escape conveniently; meanwhile, the releasing speed is high, the lifesaving rafts do not need to be released one by one, and therefore precious lifesaving time can be greatly saved; besides, when the deck is stored in a folded state at ordinary times, a large amount of space occupied in the horizontal direction can be saved, and the outer view of a ship body near the deck and use of the space are not affected.

The invention relates to the technical field of ship life-saving equipment, and discloses a life raft release system and a ship. The life raft release system comprises a bulwark, a releasing frame and a releasing mechanism. The bulwark is provided with a movable wall body hinged to the deck, and the movable wall body has the trend of turning over towards the outer side of the bulwark. The releasing frame comprises a support and a connecting rod. The support is located on the inner side of the bulwark and arranged opposite to the movable wall body. One end of the connecting rod is fixedly arranged on the support and obliquely extends downwards in the direction facing the corresponding bulwark. The releasing mechanism comprises a release piece and a binding belt, wherein the release piece is selectively connected with the binding belt; the release piece fixes the life raft on the connecting rod through the binding belt and tensions the movable wall body, or, the release piece is disconnected with the binding belt so as to release the movable wall body and the life raft at the same time, so that the movable wall body turns over towards the outer side of the bulwark, and the life raft rolls down to the outside of the bulwark along the connecting rod. According to the ship, through the life raft release system, smooth release of the life raft is prevented from being blocked by the bulwark.

The invention discloses a device and method for storing small boats. Cabins for storing the small boats are arranged on a boat body of the device, a channel which tilts downwards is formed in the stern portion of the boat body, one end of the channel is connected with the cabins, and a stern door which can rotate downwards is hinged to the other end of the channel. The stern door, the channel and the cabins are respectively provided with an idler roller set which is composed of a plurality of pairs of idler rollers supporting the bottoms of the small boats from the two sides. The two sides of the idler roller set on the cabins are respectively provided with a mobile guide rail, the mobile guide rail on each side is provided with a trolley, and each trolley is provided with a traction device and a boat pushing device. According to the device and method for storing the small boats, the stern door can be rotated downwards, the small boats can slide to the boat body from the idler roller set on the stern door through the channel, then the trolleys are used for pushing the small boats to the corresponding positions of the small boats to be fixed, operation is convenient, the purpose that the storing device in one mother boat can be used for storing a plurality of small boats, operation is convenient, and the safety is high.