214results about "Anchor handling/lashing" patented technology

The invention discloses an automatic retracting device for a marine anchor and mooring machine, which relates to the technical field of marine machinery and comprises an outer shell, a mounting cavity, an anchor chain winding drum, a transmission shaft, a motor I, a buffer mechanism, a retracting and releasing mechanism, an anchor chain and a retracting and releasing opening, the device is reasonable and simple in structure, low in production cost and convenient to mount, during anchoring, the anchor chain is guided to be released stably and orderly through cooperative operation of the motor, a specific transmission structure and the retracting and releasing mechanism, winding and jamming are avoided, the releasing speed of the anchor chain can be reduced, and accurate berthing of a ship is assisted; in the anchoring and weighing process, the buffering mechanism is matched with the adjustable buffering mechanism, torque change of the transmission shaft can be effectively buffered, different working conditions can be adapted, key parts of equipment are protected, the service life is prolonged, and the maintenance cost is reduced; during anchor weighing, the take-up and pay-off mechanism works reversely, the anchor chain outside the ship can be led in and wound on the anchor chain winding drum in order, meanwhile, the buffering mechanism continuously plays a role, and transmission shaft torque sudden change caused by stress or rotating speed change is prevented.

The invention relates to the technical field of ship energy recovery, in particular to a ship anchoring gravitational potential energy recovery method and system. The system comprises an anchor chain roller, a two-way anchor machine motor, a speed-increasing transmission mechanism, a power generation mechanism, a composite energy storage assembly and an intelligent controller, the anchor chain roller is connected with the two-way anchor machine motor and the speed-increasing transmission mechanism, and the speed-increasing transmission mechanism, the power generation mechanism and the energy storage assembly are sequentially connected; the intelligent controller is connected with the speed-increasing transmission mechanism and the power generation mechanism; during anchoring, the two-way anchor machine motor enters a power generation mode, gravitational potential energy formed by anchoring drives the anchor chain roller to rotate so as to convert the gravitational potential energy into mechanical energy, the mechanical energy is transmitted to the power generation mechanism through rotation of the speed increasing transmission mechanism, and the power generation mechanism generates power based on the mechanical energy and transmits the generated electric energy to the composite energy storage assembly for storage. The recovery of the gravitational potential energy generated during anchoring is realized, and the waste of the gravitational potential energy generated during anchoring is avoided.

The utility model discloses an anchor chain take-up and pay-off device for a ship, which relates to the technical field of ship equipment and comprises a base, a winding machine is mounted at the top of the base, a rotating shaft is rotatably connected to the top of the base, a guide wheel is fixedly connected to the outer side of the rotating shaft, grooves are equidistantly formed in the outer side of the guide wheel, and an annular groove is formed in the outer side of the guide wheel. The guide wheel is provided with the grooves and the annular grooves, the guide wheel can perfectly fit with the shape of an anchor chain, the anchor chain is more stable in the winding and unwinding process, and the guide wheel is more stable in winding and unwinding process, more stable in winding and unwinding process, more stable in winding and unwinding process, more stable in winding and unwinding process, more stable in winding and unwinding, more stable in winding and unwinding, and more stable in winding and unwinding. The clamping or disorder phenomenon caused by the irregular shape of the chain ring is avoided, the efficiency of winding and unwinding the anchor chain is improved, and potential safety hazards caused by misoperation or equipment failures are reduced.

The anchoring system comprises a buoy device, an anchor chain assembly and an anchor block, the uppermost section of the anchor chain assembly is a winding rope, and a winding mechanism, a winding rope conveying mechanism and an attachment removing mechanism are arranged on the buoy device; the winding mechanism comprises a winding drum and a winding motor; the attachment removing mechanism is arranged below the buoy device, and the winding rope penetrates through the attachment removing mechanism; the winding rope conveying mechanism is arranged in the buoy device and located between the winding mechanism and the attachment removing mechanism. The uppermost section of the anchor chain assembly is the winding rope, compared with a metal anchor chain, the weight of the winding rope is light, the working load of the winding mechanism can be reduced, in addition, by arranging the attachment removing mechanism, attachments on the winding rope can be scraped away firstly when rope winding operation is conducted, and the attachments are prevented from affecting the rope winding operation; by arranging the winding rope conveying mechanism, the winding rope can be reliably conveyed downwards during rope unwinding, and the problem that the winding rope is prone to winding and knotting due to the fact that the winding rope does not move downwards in time is solved.

The invention discloses a separated type double-head torpedo anchor device and an operation method thereof. The device comprises an anchor rod, a first anchor head movably arranged in an inner cavity of the anchor rod, a second anchor head located below the first anchor head and an anchor chain connected between the first anchor head and the second anchor head. Wherein the second anchor head is detachably installed at the bottom of the anchor rod through a connecting limiting assembly and can be separated from the anchor rod under the reaction force of a seabed soil layer and the external upward pulling force effect after the torpedo anchor is inserted into the seabed soil layer. After the torpedo anchor penetrates into a soil body, the mooring anchor chain is vertically pulled to enable the anchor rod to be separated from the second anchor head, a gap generated in the middle can be covered with silt, and the vertical pulling resistance of the torpedo anchor is greatly improved; through the cooperation effect of the water flowing channel and the tail rotor assembly, water flow drives the tail rotor assembly to rotate in the falling process of the torpedo anchor, the torpedo anchor can be controlled to keep the vertical falling posture, the angle of the torpedo anchor penetrating into the seabed soil layer is close to be vertical, and the horizontal tensile moment of the torpedo anchor can be further increased.

The invention discloses an anchoring speed limiting device for a ship anchor gear, and relates to the technical field of anchoring equipment, the anchoring speed limiting device comprises a bottom layer mounting plate, a first supporting plate and a second supporting plate are fixedly mounted on the bottom layer mounting plate, an energy storage assembly I is mounted on the first supporting plate, and an energy storage assembly II is mounted on the second supporting plate; a matching chuck is arranged between the first supporting plate and the second supporting plate, a groove is formed in the matching chuck, the anchor chain is matched with the groove to drive the matching chuck to rotate, and the matching chuck drives the first energy storage assembly and the second energy storage assembly to store energy. According to the technical scheme, during anchoring, the chain drives the matched chuck to rotate, the matched chuck rotates to drive the two energy storage assemblies to store energy, the rotating speed of the matched chuck is controlled through the energy storage assemblies, and the situation that an anchor chain sinks too fast and is out of control, and damage is caused is prevented.

The invention belongs to the field of cablelifter, and particularly relates to a marine cablelifter which comprises a driving gear and a transmission gear which are meshed with each other, the diameter of the driving gear is smaller than that of the transmission gear, a gear motor used for driving the driving gear to rotate is arranged at one end of the driving gear, and a transmission shaft is fixedly connected to the middle of the transmission gear. A winding disc is fixedly connected to the outer side of one end of the transmission shaft, the middle of the winding disc is used for fixing a ship anchor chain, a plurality of sets of through holes are formed in the two side walls of the winding disc, and a plurality of supporting strips capable of horizontally moving are arranged on one side of the winding disc; through the arrangement, the ship anchor chain is always kept in a neat and non-tangled winding state, the phenomenon that the ship anchor chain wound later wraps the outer side of the ship anchor chain wound front is avoided, the ship anchor chain is uniform in stress and free of excessive extrusion, the shape and the coating of the ship anchor chain are guaranteed, potential safety hazards are effectively reduced, and meanwhile the service life is prolonged.

The present invention relates to the technical field of windlasses, and discloses an anchoring structure, a windlass based on this structure and a usage method. Through the setting of the connection component, when it is necessary for the windlass to simultaneously retrieve the ship anchor and the cable, the crew uses the lever to push the engagement shaft to dock with the engagement disc of the winch, becoming an integral whole. So that when the windlass drives the winch to rotate and retrieve the anchor chain, it can also synchronously drive the auxiliary drum to rotate, enabling the auxiliary drum to retrieve the cable. When it is necessary for the windlass to separately retrieve the ship anchor or the cable, the crew uses the lever to push the connecting shaft to separate from the engagement disc of the winch, making the winch and the auxiliary drum independent of each other, and capable of separately retrieving the ship anchor or the cable. Thus, the windlass can be applied to various situations, improving the applicability of the device.

This invention discloses an intelligent dynamic anchor chain control method and system, belonging to the field of anchor chain control technology. The method includes: constructing a matrix-like grid and simulating its static, undisturbed state to obtain a standard three-dimensional control volume diagram; mapping this diagram to a standard two-dimensional control surface diagram and dividing the control surface region; generating a dynamic two-dimensional control surface sub-diagram based on the movement position of the self-floating support under wave impact, overlapping it with the standard diagram to mark the areas where dynamic surface points are located, and generating a control sample set; evaluating the overall dynamic tendency to determine the main impact direction; comparing the anchor chain dynamics with the standard curve; and adjusting the position of the self-floating support through a deployment and retrieval mechanism. The system includes a deployment and retrieval mechanism, three-dimensional simulation, two-dimensional simulation, and an anchor chain dynamic control module, realizing intelligent dynamic control of the anchor chain. This invention can accurately respond to wave impacts, improve the stability and impact resistance of the anchoring system, and is suitable for offshore anchoring scenarios such as wave energy power generation.

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.

A magnet activatable release apparatus (1), an assembly comprising the apparatus, and a method of using the assembly, wherein the apparatus comprises a locking device (20) comprising at least one latch element (22) for engaging the releasable coupling device (50) when connected to the apparatus (1), the locking device (20) being movable by means of a trigger element (30) between a locking first position, and a releasing second position wherein the releasable locking device is released from the apparatus.

The utility model discloses a rust-proof anchor windlass which comprises an engine, a speed reducer and an anchor chain wheel. The engine and the speed reducer are connected through the coupler, and the speed reducer and the cable lifter are connected through the gearbox. A protective shell is arranged on the periphery of the cable lifter and composed of side plates, a top cover and a bottom plate. An air inlet channel extends from the right side plate, and a fan is mounted in the air inlet channel; vent holes are formed in the tops of the side plates; the top cover is hinged to the side plates through hinges, and baffles extend downwards from the periphery of the top cover. A hole is formed in the rear side plate, and an anchor chain is arranged in the hole and connected with an anchor chain wheel. Through the synergistic effect of the engine, the speed reducer, the gear box and the cable lifter, dragging, anchor weighing and anchor dropping operations of an anchor chain are achieved; meanwhile, through the design of the protective shell, the cable lifter and the anchor chain are effectively prevented from being corroded by the external environment, particularly rusting is prevented, the service life of the cablelifter is prolonged, and the reliability of the cablelifter is improved.

The utility model discloses a vessel toy and anchor chain device which comprises a shell, a driving device, a transmission device, an anchor chain and a travel switch, the transmission device is arranged in the shell and comprises a speed reduction screw, a speed reduction worm gear and a speed reduction gear set, and the speed reduction screw is in transmission connection with the speed reduction worm gear and the speed reduction gear set. The driving device is fixed to one side of the shell and is in transmission connection with the speed reduction screw, the speed reduction gear set is sleeved with the travel switch, and the anchor chain is wound around the speed reduction worm gear. Wherein the driving device is used for driving the speed-reducing screw to rotate, the speed-reducing gear set is used for reducing the rotating speed of the speed-reducing screw and increasing the torque of the speed-reducing screw, the speed-reducing screw is used for driving the speed-reducing worm gear to rotate, the speed-reducing worm gear is used for controlling winding and unwinding of the anchor chain, and the travel switch is used for controlling the winding and unwinding length of the anchor chain. The folding and unfolding length of the anchor chain of the ship toy can be accurately controlled, the electronic control cost is reduced, installation is convenient, cost is reduced, efficiency is improved, and practicability is high.

An anchoring device for anchoring a floating object to an anchor structure, including a first attachment for being constrained to the floating object; a second attachment for being constrained to the anchor structure; a damping member for damping the relative motion between the attachments for securing the first attachment to the second attachment and including a sliding chamber, a piston for sliding in the sliding chamber according to a relative motion between the attachments and a damper for damping the sliding of the piston in the sliding chamber; and a control unit including a measurement sensor for measuring the sliding of the piston; and a control board for varying the damping of the damper according to the sliding of the piston detected by the measurement sensor.

The application provides an unmanned ship emergency anchor throwing system and relates to the technical field of unmanned ships. The unmanned ship emergency anchor throwing system comprises a ship body, a ship anchor mechanism, an unhooking mechanism and an anchor throwing control assembly. The unhooking mechanism is hung on the ship anchor mechanism, and the unhooking mechanism can throw the anchor through two modes of an unhooking push rod and a pull rope. The anchor throwing control assembly comprises an unmanned ship main control box, a power supply module, an unhooking mechanism control device and a detection sensor. When the unhooking push rod of the unmanned ship emergency anchor throwing system fails or the anchor throwing force is insufficient, resulting in anchor throwing failure, the system automatically switches to the pull rope mode to unhook and perform anchor throwing operation, thereby improving the success rate of anchor throwing and the stability of equipment operation. The anchor is thrown by using the unhooking mechanism, the use of a hydraulic or electric anchor device is reduced, and the influence of the weight of the equipment on the weight of the unmanned ship is reduced.

The invention relates to the technical field of ship equipment, and discloses a ship body berthing anti-collision stabilizing device which comprises a support arranged on a ship body, the support is installed on the ship body through bolts, a balance weight rod is arranged on the support, the balance weight rod is connected with the support in a sliding mode, and the support has a buffering function and is used for buffering the balance weight rod when the ship body drives the support to shake. The thrust generated by shaking is buffered and reduced in the process that the thrust is transmitted to the balance weight lever, the residual thrust is counteracted through the gravity of the balance weight lever, the stability of the ship body is guaranteed, the support and the balance weight lever are arranged, independent protection measures can be taken around the ship body, the ship body is limited, the collision blank is avoided, and the safety of the ship body is improved. Meanwhile, the device is arranged on the ship body, the mooring anti-collision stability requirements of the ship body at different positions are better met, the device can be installed on the ship body after being prefabricated, large-scale building is not needed, and cost is low.

The invention discloses an anchor system laying device and method, a holding power anchor and a gravity anchor can enter water in sequence through a crane and a crane, the anchor system laying device comprises a winch, a ground command, the crane and the crane, the winch is arranged on a deck of a workboat, the winch is provided with a mooring rope, and the mooring rope can be wound on the winch; the ground wire is arranged on a deck of the workboat; the crane is arranged on a deck of the workboat and provided with a first pulley, and the mooring rope bypasses the first pulley to be connected with the gravity anchor. The crane is provided with a second pulley, a traction rope is wound on the second pulley, the traction rope penetrates through a lifting ring of the holding anchor and is connected to the ground wire, and the second pulley can pull the holding anchor through the traction rope; the crane is arranged on a deck of the workboat, provided with a lifting hook and capable of being connected with the gravity anchor through the lifting hook so as to adjust the position of the gravity anchor.

The present invention discloses a flat plate anchor device with semi-circular soil retaining plates, which includes a flat plate anchor and a pair of semi-circular soil retaining plates with a semi-circular cross-section. At both ends of the upper part of the anchor plate of the flat plate anchor, a mooring ring is provided respectively; at the middle and the outer sides of both ends of the outer wall of each semi-circular soil retaining plate, mooring rings are provided. The mooring rings at the middle of the outer walls of the two semi-circular soil retaining plates are respectively connected to one of the mooring rings at the upper part of the anchor plate through anchor chains; when the two semi-circular soil retaining plates work, they are assembled relatively into a cylindrical shape and sleeved on the outer wall of the suction bucket foundation. The flat plate anchor is clamped into the bottom of the bucket foundation for fixation, and the anchor eye of the flat plate anchor leaks out of the bucket foundation and the anchor chain is installed. Relying on the bucket foundation, the semi-circular soil retaining plates and the flat plate anchor are penetrated into the seabed. After the bucket foundation is removed, a pulling force is applied to the anchor chain to make the anchor plate rotate, and the paired semi-circular soil retaining plates are unbound and separated and embedded into the seabed. The semi-circular soil retaining plates of the present invention improve the uplift bearing capacity of the flat plate anchor and effectively reduce the embedment loss generated during the rotation of the anchor plate.

The invention discloses a shifting method and device of a transverse moving anchor, electronic equipment and a storage medium, and relates to the field of hydraulic engineering, an anchor dropping rod winch and an anchor weighing winch are installed on a dredger, the dredger is provided with the transverse moving anchor, and the method comprises the steps that the real-time transverse moving linear speed of the dredger is obtained; the cable laying speed is determined according to the real-time transverse movement linear speed, the splitting width and the length of an anchor rod on an anchor rod winch; the cable collecting torque of the anchor winch is obtained, and the cable collecting speed is determined according to the cable collecting torque, the length of the remaining anchor cable, the real-time transverse movement linear speed and the splitting width; and an anchor dropping rod on an anchor dropping rod winch is controlled to pay off cables according to the cable pay-off speed, and an anchor weighing winch is controlled to take up cables according to the cable take-up speed so as to control displacement of a transverse moving anchor. The cable collecting speed of the anchor weighing winch and the cable releasing speed of the anchor dropping rod cable car can be automatically controlled in real time, the displacement accuracy of the transverse moving anchor is improved, and the safety and stability of the whole construction process are guaranteed.

A boat anchor storage tray includes an attachment member, and at least one mounting channel attached to the attachment member. In another aspect, a tray is slidably engaged with the at least one mounting channel and is configured to move between an open position and a closed position below a boat deck. A further aspect of a movable boat anchor storage tray includes water draining holes. In yet another aspect, a boat apparatus includes a storage tray moveable from an open position to a closed position below a pontoon boat deck, with a lock movably securing the tray in the closed position.

A bridle system (30) arranged on a multi-hull marine vessel (200), the vessel comprising an anchor deployment and retrieval system (100) comprising a windlass (101), an anchor chain (102) connected to an anchor and operatively engaged with the windlass for deploying / retrieving the anchor and the anchor chain, the bridle system (30) comprising a bridle (10) comprising a port-side leg (11) and a starboard-side leg (12) connected to a chain hook (13) adapted for releasably engaging with the anchor chain (102) at any position along the anchor chain (102), where the bridle system (30) further comprises a port-side bow winch (21) for independently adjusting the length of the port-side leg (11) and a starboard-side bow winch (22) for independently adjusting the length of the starboard-side leg (12). A multi-hull marine vessel (200) comprising the bridle system (30) and a respective method of using a bridle (10) are herein also disclosed.

A removable mooring system for an offshore semi-submersible floating structure. The removable buoy has several mooring lines with a buoy chain between the mooring chain and the buoy. The mooring chain and the buoy chain are connected via a three-way mooring connector, the third connection being configured to pull the mooring connector to a mooring point of the structure. In a first configuration, the buoy is detached and supports the mooring chain which is retracted for recovery at shallow depths. In a second configuration, the mooring lines are retracted through the mooring connector, thereby providing a multi-point mooring of the structure with the buoy chain remaining as a catenary between the buoy and the mooring point.

The rapid disposal mechanism comprises a first ship body, second ship bodies are arranged on the two sides of the first ship body, the two second ship bodies are connected with the first ship body through connecting mechanisms, and a first rotating table is arranged at the top end of the first ship body. The emergency ship has the beneficial effects that the emergency ship can be quickly disassembled and assembled by arranging the connecting mechanisms, the whole emergency ship can be disassembled into a plurality of blocks, the plurality of small ship bodies are quickly conveyed to a designated place through land transportation and then assembled into the whole emergency ship, and the disposal efficiency of a dike breach is improved; and meanwhile, the connecting mechanism is simple and convenient to operate through cooperation of an inserting column, a first mounting groove, a first driving shaft, an adjusting lead screw, a limiting sleeve, a first bevel gear, a second bevel gear, a second driving shaft, a third bevel gear and a fourth bevel gear, connection is stable and firm, and the rescue ship can be stabilized by arranging a ship body auxiliary stabilizing assembly.

A fixed device for a submarine cable protection area blocking ship anchor, comprising a steel pipe anchor, a branch anchor chain, a main anchor chain, a Kent shackle and a shackle. The steel pipe anchor includes a steel pipe, an upper hanging ring located at the upper end of the outer wall of the steel pipe, an anchor chain connecting ring located at the middle end of the outer wall of the steel pipe, and a lower hanging ring located at the lower end of the outer wall of the steel pipe. The steel pipe anchors at both ends are connected by the main anchor chain. In the present invention, a barrier is formed by connecting the steel pipe anchors, the main anchor chain or the steel pipe anchors, the main anchor chain and the branch anchor chain. The barrier resists the anchor grab force of the ship anchor by its own uplift force or gravity, so that the ship anchor stops moving before hooking the submarine cable, thereby realizing the protection of the submarine cable.

The invention provides an electric anchor and mooring equipment with a cable tensioning structure and an automatic tensioning system, and relates to the field of electric anchor and mooring equipment. The device comprises an anchor and mooring machine motor. The anchor chain chain wheel is used for winding an anchor chain; the cable winding roller is used for winding the cable; the tensioning assembly is used for tensioning the cable; the adjusting assembly is used for adjusting the tensioning force; the tensioning assembly comprises a lifting box arranged at the front end of the stranded cable roller; the adjusting assembly comprises a fixed magnet arranged on the surface of the lifting lead screw in a sleeving mode. The movable magnet is arranged above the fixed magnet; and the mounting brackets are rotationally mounted at the two ends of the movable magnet. Through the arranged adjusting assembly, repulsive force between the movable magnet and the fixed magnet is used for replacing a traditional spring to serve as a core buffer element, non-contact thrust is achieved, mechanical abrasion is avoided, meanwhile, the initial distance between the movable magnet and the fixed magnet can be manually adjusted according to the actual situation, and different tension adjusting requirements are met.

This invention discloses a torpedo anchor ejection device, comprising: a torpedo anchor; and an ejection assembly detachably connected to the torpedo anchor; wherein the ejection assembly is capable of driving the torpedo anchor to move and detaching the torpedo anchor. The torpedo anchor ejection device of this invention provides a torpedo anchor with high penetration accuracy and depth.

The utility model discloses a fast braking anti-skid device for a marine anchor gear, which belongs to the technical field of marine equipment and comprises a base, a fixing frame is arranged on the base, an electromagnetic chuck is arranged on the base, metal plates are lapped on two sides of the electromagnetic chuck, a connecting rod is arranged on the side surface of each metal plate, a sliding rod is arranged on the side surface of each connecting rod, and the sliding rod is connected with the fixing frame. The cable lifter comprises a base, two supporting frames are arranged on the base, cable lifters are rotationally arranged in the supporting frames, annular frames are arranged on the two sides of each cable lifter, and a plurality of limiting grooves are formed in the annular frames. According to the fast braking anti-skid device for the marine anchor gear, by arranging the electromagnetic chuck, the annular frame, the limiting protrusion, the limiting groove, the metal plate and the metal frame, friction force can be increased, fast braking and releasing can be achieved, the braking precision and stability can be improved only by controlling the electromagnetic chuck, sliding and displacement can be effectively prevented, and the service life of the device is prolonged. And the reliability and the safety of the braking process are ensured.