47results about "Collision prevention" patented technology

This invention relates to the field of ship collision avoidance technology, and discloses an intelligent active collision avoidance system and method for ships. The system includes a sensing module, a control and decision-making module, and an execution module. The sensing module collects distance, outline, and micro-motion data of obstacles around the ship. The control and decision-making module identifies impending collision threats and predicts the timing of a collision based on the data, generating an airbag trigger response strategy that matches the timing of the collision. The modular airbag unit of the execution module is normally flat and close to the hull, and can rapidly inflate to a preset shape before a collision, forming a buffer protection structure adapted to the collision intensity. This invention achieves proactive, intelligent, and precise ship collision avoidance. The buffer performance can dynamically adapt to the collision intensity, and the modular design facilitates maintenance and expansion, significantly improving collision safety and navigation economy in scenarios such as berthing and unberthing.

The utility model belongs to the field of ocean transportation technology relates to a kind of intelligent anti-collision early warning equipment when ship berthing, including transport ship, the transport ship outside is fixed with multiple groups of driving module, the utility model is cooperated by the use of protection component and damping component, so that when transport ship is berthed, by anti-collision block, transport ship is separated from wharf, the loss caused to wharf and transport ship when impacting is reduced, the protection shell is used to protect anti-collision early warning module, so that the device is protected during non-use, reduce the possibility of anti-collision early warning module damage or service life reduction caused by sea wind and wave, further, by the cooperation of spring telescopic link, limit bead, cooperation groove, the inside of protective door A is more stable and reliable in closed state, further increase the protection of protection shell to anti-collision early warning module, increase the practicability and reliability of device.

This utility model discloses an unmanned surface vessel (USV) protection device, including a crash barrier structure installed on the USV. The crash barrier structure is equipped with several pushing and squeezing crash barriers. Each pushing crash barrier structure includes a hinged push rod structure hinged to a stop rod structure. The stop rod structure has several angled stop wheel structures installed on it. The push rod structure pushes the stop rod structure to flip so that the stop wheel structures roll against the edge of the mooring dock, preventing the USV from colliding with or scraping against the edge of the mooring dock. This structure provides protective mooring for the USV during berthing, increasing its safety.

The utility model belongs to the technical field of excursion boat, concretely relates to an unmanned excursion boat, the unmanned excursion boat of the application includes: excursion boat body, both sides of excursion boat body top are all fixedly connected with device box, one pair of side holes are set up in the side wall of device box, the inner chamber of side hole is provided with anti -collision pulley, the middle part of excursion boat body inner wall is installed with motor, the output shaft of motor is connected with screw rod, the screw rod is screw connected with telescopic plate, the anti -collision pulley and telescopic plate between be provided with buffer and convenient dismantlement spare, the utility model discloses through motor drive screw rod rotation, let telescopic plate drive anti -collision pulley slide, realize the telescoping of anti -collision pulley at device box side hole place, thereby can be according to the extension range of the expansion of anti -collision structure of barrier distance adjustment, effectively promote the traffic capacity of narrow water area, the spring cooperation in buffer member and moving disc, can absorb impact force through compression spring when colliding, enhance the buffering effect.

This invention belongs to the field of water conservancy engineering technology and discloses an anti-collision navigation buoy for water conservancy projects. It includes a buoy body and photovoltaic panels and a counterweight ring installed above and below it, respectively. It also includes a line-laying protection mechanism installed inside the buoy body, with a plurality of protective springs arranged in a ring array around the outer periphery of the buoy body. The above solution works by having the buoy body contact the protective springs upon impact with a ship, compressing and buffering them. When the ship pushes the buoy body, the winding roller rotates to release the extension cable. The rotation of the winding roller is then reduced by a planetary reducer, driving a transmission disc to rotate and compressing a large coil spring. The transmission disc, through the planetary reducer, causes the winding roller to rotate in the opposite direction until the extension cable is completely retracted, returning the buoy body to its original position. This solves the problem of anchor chain breakage or anchor dragging when the buoy is impacted by a ship.

This invention provides an integrated, interconnected ship collision avoidance device. A flat slot is provided on the upper layer of a polyurethane elastomer, with the slot opening located on the side of the polyurethane elastomer. A collision avoidance plate is fixed inside the slot. The polyurethane elastomer has a hollow structure, with a first cavity and a second cavity arranged in a triangular prism shape along either the transverse or longitudinal direction. Both the first and second cavities have triangular cross-sections, with the apex of the first cavity facing upwards and the apex of the second cavity facing downwards. The first and second cavities are staggered. This ship collision avoidance device, employing a collision avoidance plate combined with a triangular cell cavity structure, can achieve integrated operation under impact or shock of localized high stress, improving energy absorption efficiency and thus protecting the ship.

This invention relates to the field of floating platform technology, and more particularly to a sandwich-core thin-walled modular floating platform and its construction method. The platform includes a coal gangue lightweight aggregate UHPC floating module, a coal gangue lightweight aggregate UHPC bulkhead, and a damping buffer. The coal gangue lightweight aggregate UHPC floating module has a sealed cavity inside. The coal gangue lightweight aggregate UHPC bulkhead is sealed and installed inside the sealed cavity, dividing the sealed cavity into multiple mutually sealed compartments. The damping buffer connects two adjacent sealed compartments and includes a fixed cylinder, a first movable plug, and a first elastic element. The first elastic element connects the fixed cylinder and the first movable plug. The fixed cylinder is sealed and fixedly connected to the coal gangue lightweight aggregate UHPC bulkhead. The first movable plug is slidably sealed to the inner wall of the fixed cylinder through a first sealing ring fitted around its outer periphery. This invention can improve the anti-rolling and anti-overturning capabilities of the floating module.

[Problem] To provide an index-based hull structure manufacturing method, design method and design program with which it is possible to prevent a breach of a cargo oil tank and oil outflow, or to reduce the amount of outflow, in the event of running aground. [Solution] The present invention includes: a step for selecting a steel plate to be applied to a hull structure 10 of a ship; a step for quantifying a stress-strain relationship of the steel plate; a step for using the stress-strain relationship to execute a grounding analysis of the hull structure 10 to which the steel plate is applied, to obtain a calculated value of a critical grounding speed; a step for determining a required value of the critical grounding speed; and a step for evaluating a grounding resistance of the hull structure 10 on the basis of the calculated and required values of the critical grounding speed. The hull structure 10 for which it has been determined, from the evaluation result of the grounding resistance, that the required value is satisfied, is manufactured.

This invention discloses a self-generating water quality monitoring buoy, comprising a floating base that floats above the sea surface. A signal frame is fixedly mounted on the upper end of the floating base, and a photovoltaic panel is fixedly mounted on the outer side of the signal frame. A battery is fixedly mounted on the inner side of the floating base. The buoy also includes: a movable frame rotatably mounted on the outer side of the floating base, with a buoy plate rotatably mounted on the lower end of the movable frame; a first movable ring and a second movable ring rotatably mounted on the outer side of the tailpipe and the floating base, respectively. The first and second movable rings are fixedly connected by a fixed frame, and a scraper is rotatably mounted on the lower outer side of the second movable ring for automatic cleaning of the lower end of the floating base. This self-generating water quality monitoring buoy can generate electricity efficiently, and the power generation mechanism can effectively protect the floating base while driving the scraper to clean the outer side of the floating base in real time, preventing marine organisms from attaching.

The utility model relates to ship body technical field especially relates to a kind of anti-collision ship body structure, including ship body, the left and right ends of ship body are fixedly connected with fixed base, fixed base outside is rotatably connected with pivot, pivot outside is fixedly connected with telescopic link, telescopic link outside is provided with first spring, the one end fixedly connected with fixed ring of telescopic link away from pivot, telescopic link outside is fixedly connected with linkage ring, linkage ring front end is rotatably connected with linkage rod, the one end rotatably connected with moving block of linkage rod away from linkage ring, moving block front end two sides are fixedly connected with second spring, fixed ring outside is pasted with bolt;Through the design cooperation of linkage ring and first spring, so that device not only can have buffering effect to lateral impact, simultaneously when facing oblique impact, make structure support layer produce deformation and drive pivot rotation to make telescopic link produce deviation, make telescopic link angle deviation impact direction.

Disclosed herein is a safety navigation support system for a ship that can prevent marine accidents in advance by enabling the own ship to quickly recognize the other ship that called the own ship in a situation where the own ship is unaware of the risk of collision with other ships or a maritime hazard around the own ship. In accordance with the present invention, the safety navigation support system for a ship comprises a speech-to-text-conversion-unit that converts voice information received from other ships through the marine-radio-communication-device of the own ship into text information and stores the voice information and text information together for each ship; a ship-call-judgment-unit that analyzes each of the text information stored in the speech-to-text-conversion-unit to determine whether there is text information that matches the name or call sign of the own ship; a call-ship-designation-unit that designates the other ship that called the own ship from the text information of other ships stored in the speech-to-text-conversion-unit when the text information matching the name or call sign of the own ship is received through the ship-call-judgment-unit; and a call-ship-identification-display-unit that displays an image of the other ship specified on the screen of EDICS or RADAR differently from other ships when the call-ship-designation-unit designates the other ship that called the own ship.

The application discloses a floating type floating body foundation anti-collision facility, which comprises a hook, a high-strength rope, a net structure and a collision protection fender. When the collision protection fender needs to be adjusted, the head and tail of the transverse fixed cable are released, the hook is separated from the hanging point on the floating type floating body foundation, and the adjustment of the collision protection fender outside the floating type floating body foundation is realized, so that the problem that a plurality of components need to be operated in the prior art and the adjustment of the anti-collision facility on the side of the floating body is not convenient is solved.

The application belongs to the field of ship equipment, and particularly relates to a ship berthing anti-collision device with a buffering and energy-absorbing function, which comprises a plurality of buffers connected to the ship side, wherein the buffer comprises a connecting plate and a jet tank, the jet tank is internally provided with a gas pump module, the output end of the gas pump module faces downward, and a central jet hole is formed in the bottom of the jet tank. Through the arrangement, the ship can be stably berthed in a mode of first deceleration and then inertia sliding and adhering during berthing, various collision damage problems easily encountered during the berthing process of the ship are greatly reduced, the influence of fluctuating water flow on the berthing of the ship is reduced by cooperating with the design of reducing the draft of the ship, the ship can be adhered to the shore after berthing, the function of stably boarding and alighting the ship is realized, the kinetic energy absorbed by the elastic parts is small, the parts are not excessively damaged, and the service life of the equipment is improved.

The application discloses a floating type concrete buoy, which comprises a concrete floating main body and a concrete counterweight disc arranged at the bottom of the concrete floating main body; the concrete floating main body comprises a concrete thin-walled cylinder and a watertight partition wall arranged in the concrete thin-walled cylinder, the watertight partition wall divides the concrete thin-walled cylinder into a plurality of independent watertight cabins, and the internal independent watertight cabins are tightly filled with foams; and the concrete counterweight disc is used for adjusting the gravity center of the buoy. Compared with the prior art, the application adopts a high-performance marine concrete thin-walled structure, combines with an internal low-density filling material and a through type stress main shaft design, so as to realize high durability, maintenance-free, high stability, low cost and anti-sinking functions of the buoy, and solve the problems of poor corrosion resistance, high maintenance cost or insufficient stability of the traditional buoy.

Provided is a navigation assistance device capable of obtaining an obstacle zone by target in consideration of an allowance. A navigation assistance device for obtaining an obstacle zone by target from a relationship between an own ship and a target ship includes a margin acquisition unit that acquires a margin indicating the degree of allowance, and an arithmetic unit that obtains a margin position which is a position separated from at least any of the bow or stern of the target ship in a target occupied space set with reference to the position of the target ship by a distance determined according to the margin, obtains a collision course based on a position determined according to the motion vector of the target ship with reference to the margin position, and calculates the obstacle zone by target based on the obtained collision course.

This invention discloses a multi-body connection and anti-collision device for a floating structure. The floating structure is composed of several floating tubes, including a floating tube anti-collision device, a steel wire cable structure, and an end anti-collision device. The floating tube anti-collision device and the steel wire cable structure are used when the floating tubes are connected side by side. The end anti-collision device is used when the floating tubes are connected through the ends of the floating tubes. The floating tube anti-collision device includes a floating tube anti-collision pad and a metal fixing ring. The floating tube anti-collision pad is made of elastic material and consists of a floating tube anti-collision ball, a floating tube anti-collision grid, a steel wire guide groove, and an anti-collision buffer layer. The floating tube anti-collision ball is integrally set on the surface of the floating tube anti-collision pad. The floating tube anti-collision grid is arranged in the inner layer of the floating tube anti-collision pad. The steel wire guide groove is set in the upper and lower parts of the floating tube anti-collision pad for fixing the steel wire cable. The anti-collision buffer layer is set in the middle of the floating tube anti-collision pad. The metal fixing ring is used for detachable connection of the floating tube anti-collision pad and the floating tubes. The end anti-collision device includes an end anti-collision pad, an end anti-collision ball, and an end anti-collision guide hole.

The utility model belongs to the ship technical field especially relates to a kind of anti-collision structure of inland river ship, including ship body, multiple threaded mounting holes are symmetrically set in the both sides of ship body, each threaded mounting hole is respectively connected with anti-collision subassembly, and anti-collision subassembly includes the support framework that is cooperated with ship body by thread, guide slide is symmetrically set in the both sides of connecting hole, and each guide slide is connected with anti-collision ball in through hinge, two groups of vertical links are symmetrically hinged to the outer surface of anti-collision ball, vertical link one end extends to guide slide and forms sliding fit, two groups of vertical links are mirror-symmetrical distribution along the vertical center line of anti-collision ball, and the outside of support framework is circumferentially distributed with multiple elastic support arms, each elastic support arm terminal is connected with deflector, and the outer surface of deflector is formed with wave structure;Compared with prior art, the utility model significantly improves the inland river ship navigation safety and structural durability.

The application discloses a deep-sea lander filled with a modular self-locking metamaterial and TPMS, and belongs to the technical field of deep-sea equipment. The lander comprises a posture balancing system and a multi-stage buffer system connected in sequence from top to bottom. The posture balancing system comprises an upper plate and four circumferentially hinged balancing plates. A slider is driven by a motor-screw, and the opening and closing angle of the balancing plates is adjusted through a connecting rod, so that posture adjustment and resistance to ocean current disturbance during diving are realized. When approaching the seabed, the balancing plates can be synchronously folded to a preset angle and mechanically locked, and are changed into auxiliary support legs. The multi-stage buffer system comprises a scissor-type hydraulic buffer device and a slide plate type buffer bottom plate. The scissor-type device absorbs energy through a hydraulic rod, and realizes primary buffering. The inside of the bottom plate is filled with I-shaped modular self-locking metamaterial units filled with G-shaped three-period minimal surface (TPMS) structures, so that secondary high-efficiency energy absorption and light weight are realized, and the units can be quickly replaced in a modular manner after being damaged. The application integrates active posture adjustment, passive hydraulic buffering and metamaterial energy absorption, and significantly improves the stability, safety and maintenance economy of the deep-sea landing process.

This invention belongs to the field of navigational aid technology, specifically relating to an anti-collision navigational aid or buoy, comprising: a float body with a fender and an elastic buffer; a frame with a first and second support plate, wherein a solar panel is mounted on the first support plate and a signal indicator light is mounted on the second support plate; and a buffer mechanism including fasteners connected to an anti-collision ring via buffer links; wherein the buffer links have multi-level buffer zones, and the anti-collision ring includes a rubber bladder with an aluminum alloy frame layer on its outer side, and a polyethylene material layer on the outer side of the aluminum alloy frame layer, the polyethylene material layer being coated with a thin elastic reflective coating. This invention, through the inclusion of a buffer mechanism and reflective plates, effectively reduces the probability of the navigational aid being struck or the extent of damage after a collision.

This invention belongs to the field of marine engineering technology and relates to an anti-collision device and a floating photovoltaic platform. The anti-collision device includes an anti-collision bracket and an anti-collision pad, with the pad secured to the bracket. The anti-collision bracket includes a first limiting plate, a second limiting plate, and an arc-shaped plate. One end of the arc-shaped plate is connected to the first limiting plate, and the other end is connected to the second limiting plate. The arc-shaped plate, the first limiting plate, and the second limiting plate form an installation space for mounting the anti-collision pad. This anti-collision device can prevent collisions with the photovoltaic platform, improving operational stability and safety.

A method of controlling docking for a marine vessel includes receiving a global position measurement describing a global position of the marine vessel, defining a first navigation pathway through a marine navigation area between the global position of the marine vessel and a navigation target location, wherein the first navigation pathway includes a first set of geographical locations, generating a display representing the marine navigation area and the first navigation pathway on a user interface, receiving a user input via the user interface identifying a through point location to replace at least one geographical location in the first set of geographical locations, and defining an adjusted navigation pathway between the global position of the marine vessel and the navigation target location, wherein the adjusted navigation pathway defines a path through the marine navigation area configured to enable continuous surge movement of the marine vessel past the through point location.

The present disclosure relates to steering assist system (1) for a marine vessel (75). The system comprising a steering control unit (15) configured for receiving an operator steering command via a steering device (10). The steering control unit (15) is configured to provide feedback (50) to an operator via the steering device (10) in response to a control signal (CS) and a positioning system (30) configured to determine a location of the marine vessel (75). The system comprising a processing circuitry configured to store sea-chart data indicating one or more hazardous location areas (6). The system is configured to determine whether the location of the marine vessel (75) in relation to the one or more hazardous location areas (6) satisfies a predetermined hazard criterion, and in accordance with a determination that the hazard criterion is satisfied, transmit a control signal (CS) to the steering control unit (15). The steering control unit (15) is, upon receipt of the control signal, configured to provide feedback (50) to an operator via the steering device (10).

[Problem] To provide a route generation system capable of generating a route for navigating safely and efficiently while avoiding obstacles. [Solution]The route generation system according to the present disclosure generates route information to a destination based on vessel information relating to the vessel, obstacle information relating to obstacles, and destination position information relating to the destination position, wherein the vessel information includes the vessel's current position information and vessel speed information. The obstacle information includes the position and size information of the obstacle. The route information includes time information regarding the time associated with movement of the vessel along the route.

The present document relates to a method and system for providing a notification on the basis of a state of a collision avoidance (CA) function. The proposed method for providing a notification defines a notification status to include an active state, a ready state, a low-performance state, and a failure state, wherein the active state and the ready state are defined within an operational design domain (ODD) of a CA function, the low-performance state is defined outside the ODD range of a CA function but within an operational envelope (OE) range of the CA function, and the failure state is defined outside the OE range of the CA function.

The present application relates to the technical field of marine equipment, and particularly relates to a collision-preventing structure of a sightseeing ship; the technical scheme comprises: a first mounting bin and a second mounting bin; an impact plate slidingly connected to the first mounting bin on both sides; a decomposing assembly fixedly connected between the first mounting bin and the impact plate; a mounting plate fixedly connected in the second mounting bin; a cylinder fixedly connected to the mounting plate; a first mounting frame fixedly connected to the end of the telescopic rod of the cylinder; and at least one set of rotating wheels rotatably connected to the first mounting frame. The present application realizes the decomposition and resistance of the impact force through a double mechanism: the impact force is decomposed in the horizontal front-back direction through the impact plate and the decomposing assembly, and part of the impact energy is absorbed through the compression process of the buffer spring to reduce the instantaneous stress transmitted to the body of the sightseeing ship, and the reverse thrust is actively generated through the rotating wheels to resist the horizontal left-right direction force, so as to reduce the risk of the sightseeing ship overturning and improve the operation safety of the sightseeing ship.

Disclosed is a safe navigation support system for a ship, which prevents a marine accident from occurring in advance by enabling a home ship to quickly identify other ships calling the home ship in a situation in which the home ship is unaware of a risk of collision with the other ships or a marine danger around the home ship. According to the present invention, the safe navigation support system for a ship includes a voice-to-text conversion unit; a ship call judgment unit; a calling ship designation unit which designates other ships calling the home ship from among text information of the other ships stored in the voice-to-text conversion unit when text information matching a name or a call sign of the home ship is received through the ship call judgment unit; and a calling ship identification display unit which displays an image of the designated other ship calling the home ship in a different manner from other ships on a screen of an EDICS or a radar when the calling ship designation unit designates the other ship calling the home ship.