58results about "Tether" patented technology

A system for communicating with a remotely operated underwater vehicle (ROV) includes a winged ROV coupled to a surface buoy by a tether. A controller on a support ship is coupled to the tether and the control signals are then transmitted through the tether to the ROV. Feedback and sensor signals are transmitted from the ROV through the wireless transceivers to the controller. The wings of the ROV produce negative lift which is greater than the buoyant force of the ROV and the vertical tension forces on the tether.

A flexible lifting tether system for lifting a marine vehicle or object is described which is capable of significantly improving the primary characteristics of an existing cable by enhancing load-carrying capabilities (e.g. in air), modifying the tether to have altered specific gravities in water, and relieving torsional stresses when in operation.

A method for operating an anchor winch and an anchor winch for a vessel (100), comprising a winch drum (20) and an electric drive (30, 40, 41) configured to raise the anchor (11) by driving the winch drum (20) with an electric motor (30), to detect a first increase in a torque produced by the electric motor (30), which is higher than a first predetermined torque threshold, a subsequent decrease in the torque produced by the electric motor (30), which lasts for at least a predetermined time threshold and during which decrease a rate of decrease is within a predetermined range, and a subsequent second increase in the torque produced by the electric motor (30), which is higher than a second predetermined torque threshold, and, in response to detecting the second increase, determine that the anchor (30) has risen above a water surface (200) of a body of water.

The invention discloses a device for mounting, releasing and recovering an umbilical cable of an underwater robot. The device comprises a bobbin; disks are integrally arranged at two ends of the bobbin; a stator is fixed at a central axis in the bobbin; a winding roller with the bobbin as an axis to freely rotate is mounted on the outer side of the middle of the bobbin; the bobbin, the disks and the winding roller are made of any one of polyvinyl chloride and lignin; the bobbin and the disks are made of the same material; a plurality of annular coil grooves arrayed uniformly are fixed on the outer wall of the stator; a coil is fixed to the middle of each coil groove; each coil is formed by winding an insulated copper wire in the same direction; two ends of each coil are connected with electric contacts through leads; the coils and the stator are sealed with epoxy resin; the stator and the bobbin are made of the same material; and through the coordinated use of the devices, the robot ismounted, released and recovered more conveniently, mutual winding of umbilical cables is avoided, and the workload of workers is increased.

The present invention relates to a tether for connecting a moving device submerged in liquid to a support structure, e.g. a submersible power plant comprising a stream-driven vehicle provided with at least one turbine for generation of electrical energy. The tether extends in a main direction, and at least a tether portion of the tether comprises a tensile force bearing portion extending in the main direction of the tether, wherein the tether portion is arranged to strive to self-align in relation to a relative flow direction of the liquid during use.

The invention discloses a sightseeing boat. The sightseeing boat comprises a boat body, a cable tying assembly and a safety protection assembly, wherein the boat body comprises a boat bottom, a hull and a side; the cable tying assembly comprises an installation portion, an extending portion and a winding portion; the first end of the installation portion is arranged on the side, and the second end of the installation portion is connected with the extending portion and the winding portion separately; a gap is formed between the extending portion and the winding portion to form an avoidance area; a plurality of cable penetrating and tying holes are formed in the winding portion at intervals; the safety protection assembly comprises a protection ring, a plurality of airbags, inflation equipment, an acceleration sensor and a control module. A cable only needs to penetrate through all the cable penetrating and tying holes in sequence, and is tied finally so as to be completely fixed, the cable tying operation is simple and convenient, and a better positioning effect can be achieved by utilizing friction between the cable and the hole-wall of each cable penetrating and tying hole. Moreover, the anti-collision effect on the sightseeing boat can be better achieved, and passengers or sightseers can be rescued in time.

Mooring ropes to pendants and mooring winches. The mooring rope rehanger can be simply installed on the reel of the existing mooring winch, which can improve the rehanging workability of the mooring rope and has excellent convenience. Manually and easily rehanging the mooring rope, it is labor-saving and safe. The mooring rope pendant (10) is installed on the mooring winch (11), and the mooring winch (11) has a reel (13) with outer flanges (12) on both sides, and is separated by a cutout (24). The flange (21) is divided into a receiving part (22) and a tensioning part (23) of the mooring rope (20), and the mooring rope pendant (10) has: an outer fixing part (25), which is fixed to the receiving part The outer flange (12) on the (22) side; the separation side fixing part (26), which is fixed on the separation flange (21); the guide part (27), which is erected on the outer fixing part (25) and the separation side fixing part Between (26), the mooring rope (20) wound up by the storage part (22) is moved to the notch (24) along with the rotation of the reel (13).

The invention relates to a marine scientific investigation equipment frapping recycling device, in particular to a rope dragging type marine scientific investigation equipment frapping recycling device and a recycling method thereof. The device comprises a deck, a crane and a rope feeder. A bottom plate base is installed on the deck, the rope feeder is installed on the bottom plate base, the crane is fixed to the deck, marine scientific investigation equipment is hoisted on the crane, a strander is installed on the bottom plate base, a frapping rope is fixed to the strander in a wound mode, and the marine scientific investigation equipment can be withdrawn through the frapping rope via the rope feeder. The rope dragging type marine scientific investigation equipment frapping recycling device and the recycling method thereof are based on the practical problems that marine scientific investigation equipment on a marine scientific investigation ship is not easy to recycle, and the personnel work danger coefficient is large, are simple in structure and flexible to operate, are easily accepted by a marine scientific investigation ship operating unit, and have high commercial application and popularization value.