107results about "Towing/pushing equipment" patented technology

The invention relates to the technical field of underwater detection, and discloses a high-stability underwater detection towing system based on active and passive cooperative compensation, which comprises an overwater mother ship, an electric winch arranged on the overwater mother ship, a first towing cable, a weight buffer, a second towing cable and a detection towed body, one end of the first towing cable is connected with the electric winch, and the other end is connected with the ballasting buffer; one end of the second towing cable is connected with the ballasting buffer, and the other end is connected with the detection towed body. According to the invention, stable carrying and high-precision data acquisition of underwater detection equipment can be realized, and multi-scene underwater detection requirements are met.

A method of transporting a first vessel having wind turbine components to an offshore installation vessel. The method includes (i) securing the first vessel to a second vessel using a first tow line attached to a front end (or bow) of the first vessel, and (ii) securing the first vessel to a third vessel using a second tow line attached to a back end (or stern) of the first vessel. The method further includes transporting the first vessel to the offshore installation vessel using the second vessel and the third vessel secured to the first vessel via the first and second tow lines, respectively. The method also includes securing the first vessel to the offshore installation vessel. The first vessel can include one or more fender walls. The first vessel can be secured to the offshore installation vessel using one or more mooring lines.

A system and method for assisting a drag operation of a floating wind turbine (FWT) is disclosed. The FWT is provided with a wireless communication system and at least one position sensor for measuring the position of the FWT in at least three degrees of freedom. The main towing vessel is connected to the floating wind turbine by a towing line. The main dragging ship comprises a winch, a DP system and a two-way wireless communication system. A drag assist system / module / controller may be combined with a DP system. The one or more auxiliary drag vessels are connected to the floating wind turbine by drag lines. And one or more auxiliary dragging ships are provided with a two-way wireless communication system. A drag assist system / module / controller calculates setpoints (forces and directions) for all drag ships based on one or more input parameters from the floating wind turbine, one or more input parameters from each auxiliary drag ship, and one or more input parameters from the main drag ship.

The invention relates to the technical field of marine surveying equipment, in particular to a vibration-reduction stability-augmentation underwater towed body. Comprising a shell and a first sliding block arranged on the upper surface of the shell, the first sliding block can move front and back in the length direction of the shell, and the first sliding block is connected with a first-stage trailing cable; when the pitch angle of the underwater towed body is larger than the set pitch angle, the first sliding block moves towards the stern end of the shell, and under the traction of the towed ship, the first-stage towed cable lifts the stern end of the shell through the first sliding block so that the underwater towed body can maintain the set posture; when the pitch angle of the underwater towed body is smaller than the set pitch angle, the first sliding block moves towards the bow end of the shell, the bow end of the shell is lifted, and the stern end of the shell is lowered so that the underwater towed body can maintain the set posture. The first sliding block serves as a connecting point of the underwater towed body and the first-level towed cable, small fluctuation generated by self-vibration of the first-level towed cable and the underwater towed body is effectively filtered by adjusting the position of the first sliding block, and the good vibration buffering effect is achieved on pitching fluctuation of a towed ship and large-scale disturbance of water flow.

An underwater towing system (1) according to one embodiment includes: a towing structure (2) sailing on or in water; a towing rope (3) hanging down from the towing structure (2) into the water; and underwater work structures (5) towed by the towing rope (3). At least one light emitter (4) is attached to the towing rope (3). The light emitter (4) is controlled by control circuitry (21) included in the towing structure (2). Each of the underwater work structures (5) includes a light receiver (53) that can receive a light signal from the light emitter (4). One of the underwater work structures (5) separates from the towing rope (3) when the control circuitry (21) makes the light emitter (4) transmit a separation signal for this underwater work structure (5), and the light receiver (53) of this underwater work structure (5) receives the separation signal.

The present invention includes systems and methods for a continuous-wave (CW) radar system for detecting, geolocating, identifying, discriminating between, and mapping ferrous and non-ferrous metals in brackish and saltwater environments. The radar system (e.g., the CW radar system) generates multiple extremely low frequency (ELF) electromagnetic waves simultaneously and uses said waves to detect, locate, and classify objects of interest. These objects include all types of ferrous and non-ferrous metals, as well as changing material boundary layers (e.g., soil to water, sand to mud, rock to organic materials, water to air, etc.). The radar system (e.g., the CW radar system) is operable to detect objects of interest in near real time.

The present application relates to a kind of deep sea floating wind power double-ship wet tow device and wet tow method, wherein device includes: carrier ship;Fan float, including upper Y-shaped float body and lower triangular pontoon;Two described fan float are oppositely arranged between two ships;Restraining tower, the restraining tower includes truss, float restraint mechanism and claw connector, four described truss are divided into two groups, and the two trusses of each group are respectively arranged on the foredeck and aft deck of each carrier ship, and each truss corresponds to a described float restraint mechanism;The first end of each described float restraint mechanism is connected with corresponding described truss, and its second end is provided with claw connector, and the claw connector is connected with the free end of the inclined section of the Y-shaped float body;Floating wind turbine assembly is arranged at the free end of the straight section of the fan float.

The invention discloses a photoelectric towing device, belongs to the field of ocean detection equipment, solves the problem of poor tensile property of an ocean towing system, and adopts the technical scheme that the photoelectric towing device mainly comprises a connecting socket, a cable assembly, a plurality of towing assemblies and a locking assembly, each towing assembly comprises a male end coupling piece, a connecting pipe and a female end coupling piece, the two ends of the connecting pipe are connected with the opposite ends of the male-end coupling piece and the female-end coupling piece in a sealed mode respectively, a pulling rope is connected between the male-end coupling piece and the female-end coupling piece, the length of the pulling rope is smaller than that of the connecting pipe, the pulling rope is located in the connecting pipe, and the two adjacent dragging assemblies are connected in a sealed and inserted mode through the male-end coupling piece and the female-end coupling piece. The peripheral side of the male end coupling piece and the peripheral side of the female end coupling piece are each provided with a protruding ring, and the locking assembly sleeves the two protruding rings and acts on the two protruding rings to limit the two protruding rings to be separated from each other. The device can be remarkably improved mainly through the locking assembly and the traction rope.

The invention discloses a quick-response universal flexible auxiliary towing device which is applied to a floating fan towing system, the towing system comprises a floating fan foundation, a floating fan and a towing boat, the fan foundation comprises a plurality of wind power foundation piles, and the adjacent wind power foundation piles are fixedly connected through connecting rods. Through closed-loop control of real-time monitoring of the attitude sensing assembly, accurate instructions of the control system and dynamic adjustment of the power assembly, technical spanning from passive assistance to active stabilization is achieved, attitude changes caused by wind waves and flows can be quickly responded, targeted restoring force is provided, the risk that a floating type draught fan foundation drastically deflects and overturns is effectively avoided, and the service life of the floating type draught fan foundation is prolonged. Ballasting adjustment does not need to be carried out at a machine location point, and the construction difficulty is remarkably reduced.

This application discloses a wireless fast charging system for AUVs based on a deep-sea towed platform, relating to the field of deep-sea exploration technology. The system includes shipboard equipment, underwater towing equipment, and an AUV battery compartment and its wireless charger. The shipboard equipment includes a deck power supply, a deck controller, and a deep-sea towing winch; the underwater towing equipment includes a deep-sea tow body, its wireless charging dock, and an optoelectronic composite towing cable. The shipboard equipment connects to the deep-sea tow body and its wireless charging dock via the optoelectronic composite towing cable, transmitting power and control signals to complete the docking process with the AUV; the deep-sea tow body and its wireless charging dock are used to convert DC power into high-frequency AC power; the AUV battery compartment and its wireless charger are used to convert high-frequency AC power into DC power to charge the AUV. This application achieves wireless fast charging of AUVs during deep-sea towing, avoiding repeated surfacing and diving; reduces docking accuracy requirements; and improves the operational continuity and deep-sea exploration efficiency of AUV swarms.

The invention relates to a submarine device (12) that is intended to be towed by a surface vessel (10), the surface vessel (10) being able to comprise a handling system (20) for storing and deploying the submarine device (12). The handling system (20) comprising a tow cable (18) and an attachment cable (25b). The submarine device (12) comprises a flexible elongated body (16) and a towed body (14), the towed body (14) being capable of being arranged between the tow cable (18) and the flexible elongated body (16). The submarine device also comprises an intermediate element (30) that can be arranged between the towed body (14) and the flexible elongated body (16). The intermediate element (30) is connected to the towed body (14) by a first connection (32). The intermediate element (30) is connected to the flexible elongated body (16) by a second connection (34), the first connection (32) being an articulated mechanical connection. The intermediate element (30) is a low-rigidity cable. The submarine device (12) comprises a recovery line (25a).

To provide a coupling hoist device for a barge vessel and a pusher vessel, facilitating coupling of the barge vessel and the pusher vessel as well as facilitating adjustment of the height of the pusher vessel while securing coupling of the barge vessel and the pusher vessel.SOLUTION: A coupling hoist device includes a panel for hoisting 14g provided to be capable of hoisting vertically in a panel guide plate 13 arranged vertically in a front to back positions of right and left inner wall surfaces of an indention 11 provided on stern of a barge vessel B, a head fitting hole 16a provided on the panel for hoisting 14g, freely extendable bow cylinder 20 and stern cylinder 21 provided on both boards of bow and stern of a pusher vessel P and having a fitting head 24b3 on a tip of a cylinder rod 24. The coupling hoist device has a hoisting mechanism 14 loaded on the barge vessel B capable of vertically hoisting the pusher vessel P coupled to the barge vessel B by fitting the fitting head 24b3 to the panel for hoisting 14g.SELECTED DRAWING: Figure 5

The present invention relates to a watercraft (10) having a trailing sonar, the trailing sonar having a tow cable region (30) and an antenna region (40), the tow cable region (30) of the trailing sonar being arranged between the watercraft and the antenna region (40) of the trailing sonar, a first submersible body (20) being arranged in front of the antenna region (40) and / or a second submersible body (20) being arranged behind the antenna region (40), characterised in that the submersible body (20) has at least one depth setting device.

The invention relates to a beach and shallow sea wind power site stratum measurement floating towing positioning system and a measurement method thereof, a seabed site stratum profile measurement device, a navigation positioning device and a power supply device are all carried on an investigation ship, and a floating body towing device is dragged to the stern of the investigation ship through a rope; the seabed site stratigraphic profile measuring device comprises a seismic source, the seismic source is arranged at the bottom end of the floating body dragging device, the navigation positioning device comprises an antenna, the antenna is arranged at the top end of the floating body dragging device, and the antenna and the seismic source are correspondingly arranged; the measurement process comprises the steps of working condition analysis, equipment installation, underway test, data quality test of a submarine site stratigraphic profile measurement device, measurement line layout, underway measurement, data integrity check, site stratigraphic profile data processing and analysis, and drawing and report making. Compared with a traditional beach shallow sea site stratigraphic profile measuring and positioning method, measurement and high-precision positioning of the intertidal zone site stratigraphic profile can be effectively completed, and the measurement precision of the beach shallow sea seabed site stratigraphic profile is improved.

A system and method for monitoring and controlling a plurality of marine seismic devices deployed in a survey operation. A battery monitoring device associated with each marine seismic device monitors one or more battery systems associated with each respective marine seismic device. Each battery monitoring device generates battery data associated with a condition of each battery system and communicates the battery data to a central processor. The central processor analysis the data and identifies individual battery systems or individual marine seismic devices that have anomalous conditions. The anomalous conditions include a battery depletion rate above a threshold or a battery life shorter than the remaining duration of the survey operation. The central processor is configured to generate adjusted control settings for individual marine seismic devices to improve the performance of respective battery systems and to identify whether individual battery systems should be redeployed in a future survey operation or discarded.

A method of and apparatus for transporting heavy or voluminous objects to and from shallow or deep submergence including providing a plurality of elongated handling columns (21) detachably connectable to spaced connectors on the cargo (15); providing at least one control device enabling control of the plurality of elongated handling columns; Connecting at least one towing device (41) Use of cargo as part of marine vessel; Requirement to only tow back part of the marine vessel after leaving cargo (15) in location and in particular towing back plurality of elongated handling columns (21) when detachably disconnected from the cargo. Thereby in a first mode, the towing device (41) is able to tow the elongated handling columns (21) when attached to the cargo (15) and in a second mode the control of the plurality of elongated handling columns allows controlled movement by the control device engaging with a towing vessel to manoeuvre the cargo container in the required submerged position.

A marine apparatus includes a self-propelled vessel (100); a skimmer (200) configured to actively remove hydrocarbons from a water surface when energized and to store the removed hydrocarbons in a retention tank (201) of the skimmer (200); a holding tank (301); and a pump (302) configured to pump hydrocarbons removed from the retention tank (201) into the holding tank (301) when energized.

It is disclosed a system and a method for assisting in towing operations of a floating wind turbine (FWT) An FWT is provided with a wireless communication system and at least one position sensor for measuring a position of the FWT in at least three degrees of freedom. A master tow vessel is connected to the floating wind turbine by a towline. The master tow vessel comprising a winch, a DP system, a two-way wireless communication system. A tow assist system / module / controller may be integrated with the DP system. An assisting tow vessel(s) is connected to the floating wind turbine by a towline. The assisting tow vessel(s) is provided with a two-way wireless communication system. The tow assist system / module / controller calculates set points (force and direction) for all the towing vessels based on input parameter(s) from the floating wind turbine, and input parameter(s) from each assisting towing vessel and input parameter(s) from the master tow vessel.

This utility model belongs to the field of offshore wind power and discloses a quick unhooking device for towing floating wind turbines. It includes a housing, a piston, and an oil tank. The housing and piston are respectively used to connect to corresponding cables. The housing has an inner cavity with an opening on one side. The piston slides and inserts into the inner cavity. Multiple first separation plates are spaced apart on the inner wall of the inner cavity opposite the piston. Multiple second separation plates are spaced apart on the outer wall of the piston facing the inner cavity. The first and second separation plates are staggered, forming a serpentine channel. The serpentine channel is connected to the oil tank via a liquid inlet pipe. A seawater interface is provided on one side of the liquid inlet pipe, and a water inlet valve is installed on the seawater interface. The dual buffering principle of this utility model not only effectively copes with high-frequency, low-amplitude vibrations but also stores energy through the oil compression effect when facing strong impacts, significantly reducing the impact peak value, minimizing damage to connecting parts, and improving system stability.

The navigation tunnel platform comprises a tunnel, a ship body located in the tunnel and return guide parts connected to the two sides of the tunnel, traction guide parts are arranged between the inlet ends and the outlet ends of the two return guide parts, each traction guide part is provided with a tractor, and the traction guide parts are connected with the ship body. The traction vehicle is connected with a traction rope which is connected with the ship body; the device further comprises a plurality of lifting parts, each lifting part comprises a lifting floating box connected to the lower end of the traction guide part, and a buoyancy adjusting part is connected to each lifting floating box. The height identification piece is used for identifying the height of the lifting piece and the ship body from the water surface. The device has the beneficial effects that the height of a tractor on the traction guide piece is adjusted by adjusting the lifting buoyancy tank, it is guaranteed that a traction rope is located at the optimal position, and then the ship body is stably dragged; through the arrangement of the height identification piece, the optimal navigable water level is obtained, so that reasonable adjustment of the height of the tractor on the traction guide piece is ensured.

The invention discloses a high-density water depth measuring device used beside a stone dumper, and belongs to the technical field of engineering measurement. A high-density water depth measuring device used beside a stone dumper comprises a floating body, and further comprises an outer frame, an inner frame, a water level sensor, a water level sensor, a water level sensor and a water level sensor, and the outer frame is square and wraps the outer side of the floating body; the steel pipe fence is fixedly arranged at the top of the outer frame, and a working space is formed by the steel pipe fence and the top of the floating body; the instrument support is fixedly arranged on one side of the outer frame and used for placing a depth finder, and the depth finder is arranged at the one-third position of the side edge of the outer frame; the number of the first traction ropes is two; the rope is used for dragging the floating body to move, so that the floating body has certain maneuverability, water depth measurement is carried out before and after revetment riprap, the probable under-throwing or over-throwing situation is found in time through the depth finder on the floating body, under-throwing reworking or over-throwing excavation is reduced, and the construction quality and construction efficiency of riprap engineering are greatly improved.

An apparatus for generating offshore wind employs shallow draft floats supporting a lattice tower with a wide base having a single-line anchoring providing passive yawing. The lattice structure supports a horizontal shaft at both ends of the shaft for rotating a rotor assembly. Mechanical energy from the rotor may be transferred to electrical generation equipment located at the base of the structure.

The invention discloses a wharf multi-scale quasi-rigid clamping system based on guide rail self-adaptive scheduling, which comprises a plurality of guide rails laid on the bottom surface of a wharf dock, and movable cart main bodies are symmetrically arranged on the guide rails; connecting holes distributed in a matrix mode are formed in the pushing face of the trolley body, and clamping units are installed on the connecting holes. Each clamping unit is composed of a hydraulic rod and a damping universal joint, the damping universal joints are arranged at the extension ends of the hydraulic rods, thrust plates are connected to the damping universal joints, and D-shaped fenders are arranged on the outer surfaces of the thrust plates. And when each cart main body moves to surround the structure dragged into the dock, all the clamping units can be propped against the outer surface of the structure in a self-adaptive manner. The invention aims to provide a clamping system which can rigidly restrain a structure in a wharf, can surround the structure in all directions, has multi-scale adaptive capacity and can perform adaptive adjustment according to the form of the structure and the sea condition.

The application relates to a large ship airbag upper row type water discharge construction method, which comprises the following steps: step S1, site preparation; step S2, installation of a winch device and measurement of a pay-off; step S3, slope bottom airbag placement; step S4, ship posture adjustment and fixation; step S5, cable fixation; step S6, preliminary traction and airbag inflation; step S7, traction forward movement and further airbag filling; and step S8, setting of a support pier and pier falling. The application provides a large ship airbag upper row type water discharge construction method, breaks through infrastructure limitations, provides a feasible path for ship landing in a deep-water wharf area, reduces operation risks under complex hydrological conditions through airbag flexible bearing technology, and provides a technical paradigm for ship operation and maintenance in similar shoal and tide sensitive areas through the technical concept of "adapting to local conditions and dynamically adapting", which has important practical significance for guaranteeing shipping safety and supporting channel engineering emergency repair.

The utility model provides a rice planting and transporting device, which belongs to the field of rice planting and transporting, and comprises a floating plate and a floating seat arranged on the floating plate, a placing groove is arranged at the top of the floating seat, an anti-running rope is arranged on the side wall of the floating seat, and a hook is arranged at one end of the anti-running rope. The blocking mechanism can separate the rice seedlings; the splicing mechanisms are arranged on the left side wall and the right side wall of the floating plate and can splice the multiple floating plates together for transportation, two or more floating plates can be spliced through the splicing mechanisms, and therefore the area of the whole spliced floating plate can be enlarged to 2-3 times that of an original single body, the single-time seedling transportation amount is remarkably increased, and the seedling transportation efficiency is improved. The large-area planting requirement is met, and the transportation efficiency is improved.

The utility model relates to the technical field of ship equipment, in particular to a ship dragging device which comprises a hydraulic winch installed on a ship body, a main pile is arranged on one side of the hydraulic winch and fixed to the ship body, branch piles are arranged on the two sides of the main pile, and adjusting assemblies used for connecting the branch piles with the ship body are arranged between the branch piles and the ship body. An adjusting sleeve is connected to the branch pile in a sliding mode, a fixing assembly used for fixing the adjusting sleeve to the branch pile is arranged on the adjusting sleeve, a groove is formed in the outer wall of the adjusting sleeve and arranged along the axis of the adjusting sleeve, a towing cable is wound on the hydraulic winch, and the towing cable is connected with the branch pile in a sliding mode. A towing hook is installed at the end of the towing cable, and the towing cable is wound in the groove at the same time. The application has the effects of reducing the dragging resistance and improving the dragging efficiency.

The embodiment of the present disclosure provides an offshore monitoring system. In a specific embodiment, the system comprises an offshore anchoring platform and a float; the offshore anchoring platform is provided with a traction assembly for connecting the float; the float is provided with an aerial wind power generation assembly, a monitoring assembly, a wireless communication assembly, a controller and a first energy storage unit, the monitoring assembly comprises a target monitoring assembly and a meteorological monitoring assembly; the controller is used for acquiring a first state of charge of the first energy storage unit, and controlling the running states of the aerial wind power generation assembly, the target monitoring assembly, the meteorological monitoring assembly, the wireless communication assembly and the first energy storage unit according to meteorological information acquired by the meteorological monitoring assembly. The embodiment can realize the dynamic balance among energy production, energy storage and load, and the integration of source acquisition and information sensing depth.

The utility model provides a rectangular bucket sampler, include: box, the box includes bottom plate and side plate, side plate all and bottom plate are connected, and the side edge of side plate is connected in turn first and foremost into the closed structure, and the opening of the box on side plate is provided with the sawtooth that leans to the outside; The axle rod is arranged in the box, and both ends of the axle rod are rotatably arranged on the inner wall of different side plates; The cable buckle is arranged on the axle rod; The water hole is arranged on the bottom plate and the side plate. The utility model solves the problem that the original riverbed bottom material sampler adopts manual operation, additionally equips power, and the operation difficulty is big, avoids the shortcomings that the existing net type bottom material sampler manual operation and the special power equipment required by the clam type bottom material sampler, the bucket mouth outwardly inclined spade tooth can be excavated in the dragging process, and the riverbed bottom material is taken, and for the medium soft bottom material such as coarse, medium, fine sand, silt etc., the sampling efficiency is higher.

A fuse assembly (1) for rope systems. A catch (2) is a rope segment having a certain failure strength. An accompanying trigger component (6) has a predetermined failure point which can be less than the failure strength of the catch, acting as a sacrificial element to reveal the potential risk of rope recoil. In one embodiment, the catch includes connecting ends (4), and the trigger is remote from the catch. In other embodiments the trigger includes the connecting ends and the catch is separate from but works cooperatively with the trigger. Additional hold components (16) can accompany the system, as well as first and second chafe protection layers (14,15).