41results about How to "Fast sailing" patented technology

The invention discloses a gliding machine dolphin. The gliding machine dolphin is composed of a head cabin module, a task cabin module, a pectoral fin cabin module, a control cabinet module, a waist joint cabin module and a tail joint cabin module. A pectoral fin driving mechanism, a water sucking-draining mechanism and a cabin body throwing carrying mechanism are arranged in the pectoral fin cabin module. A gravity center adjustment mechanism is arranged in the control cabin module. A yawing driving mechanism and a tail driving mechanism are arranged in the waist joint cabin module. A tail fin driving mechanism is arranged in the tail joint cabin module. According to the gliding machine dolphin, two joints at the tail are driven by the tail driving mechanism and the tail fin driving mechanism to vertically swing, and back-abdomen type propelling is achieved; the whole net buoyancy is adjusted through the water sucking-draining mechanism, and buoyancy driving propelling is achieved; the pitching angle and the roll angle during movement can be adjusted through a pectoral fin, and the yawing angle can be adjusted through a yawing driving mechanism. The gliding machine dolphin has the advantages of being high in speed, high in maneuverability and high in of underground gliding machine cruising at the same time; in addition, the modular design is adopted, and installation and assembling are easy.

The invention discloses a disc-shaped underwater vehicle based on vortex motion. A disc-shaped fairing is adopted. At least one circumferential propeller is arranged in the circumferential direction of the disc-shaped fairing. A vortex generating mechanism and at least one vertical propeller are arranged in the vertical direction of the disc-shaped fairing. The circumferential propellers are used for driving the motion of the vehicle in the horizontal plane of the disc-shaped fairing. The vertical propellers are used for driving the motion of the vehicle in the vertical direction of the disc-shaped fairing. The vortex generating mechanism is used for generating adsorption force relative to the absorption surface. According to the novel technology for achieving object surface absorption based on a vortex adsorption mechanism, the underwater vehicle is made to have high surface adsorption capacity; through the cooperation of the impelling action of the propellers, the vehicle has the omni-directional motion capacity including crawling and swimming, and compared with an existing crawling or swimming underwater vehicle, the disc-shaped underwater vehicle has the advantages that the sailing speed is high, and motion control is swift. An acquisition sensor and operation tools are carried as needed, and the disc-shaped underwater vehicle can be used for carrying out underwater engineering detection, emergency searching, construction operation and the like.

The invention provides a method for manufacturing a mast made of an assorted fiber composite material, and relates to a method for manufacturing the mast. The invention aims to solve the problems of the prior metal mast has large mass, low strength and poor stability, and limits the quick sailing of ships. The method comprises the following steps: 1, designing and preparing a core mold; 2, impregnating dry carbon fibers and glass fibers in a resin mixed solution to obtain the assorted fiber composite material; 3, winding the assorted fiber composite material on the core mold layer by layer; 4, heating and solidifying the core mold; and 5, obtaining a rough rod of the mast made of the assorted fiber composite material after detaching the core mold, removing the processing length at two ends of the rough rod, removing burrs and obtaining the mast made of the assorted fiber composite material. As the mast of the invention is made by mixing the carbon fibers and the glass fibers, the weight of the mast is 43.4 percent lighter than that of the metal mast; the strength of the mast made of the assorted fiber composite material is improved, the stability of sailing ships is improved, and the sailing ships can be sailed quickly.

A hybrid power propelled ship system consists of a rectifier station (1), a feeder network (2), a trolley wire network (3), a reversible motor (5), a ship hull (6), a current collecting device (4), storage batteries (9), an engine (15), a propeller (14), a trolley wire network hub device and appurtenances, wherein the trolley wire network hub device consists of a section insulator, a frog, a trailing frog and a crossover. The hybrid power propelled ship system relates to a device for propelling the ship to navigate based on the technical principles of the trolley bus system and the hybrid power vehicle, and is applicable in the field of the water transportation. When the ship is powered by the trolley wire network, the ship navigates on a power-driven basis, therefore, the hybrid power propelled ship system has the advantages of no noise, no pollution, high propelling power, high sailing speed and low running cost; and when the ship is not powered by the trolley wire network, the ship is driven by the engine to navigate. The hybrid power propelled ship system has the advantages of simple structure, convenient maintenance, safety, reliability and wide applicable range.

The invention discloses a hydrofoil boat capable of automatic rotation, including a hydrofoil boat body comprising a boat and a hydrofoil plate arranged below the boat, wherein the bottom of the boatis provided with a chassis, a rotating column and supporting columns are arranged on the chassis, the supporting columns are arranged on both sides of the rotating column, one end of the rotating column is connected with the hydrofoil plate at the bottom, the other end is connected with a driving device in the boat, the driving device is connected with a console, and one end of each supporting column is connected with the hydrofoil plate, and the other end is connected with a positioning hole arranged at the bottom of the boat. The bottom of the boat is provided with an accommodation bin equipped with the driving device, and the accommodation bin is composed of a bottom plate of the boat bottom and a partition plate inside the boat. The hydrofoil boat has novel design and simple and reasonable structure, and can change the forward direction of the hydrofoil plate through the chassis, strengthen the heading control of the hydrofoil plate, and improve the self-stability and safety in thenavigation process.

The invention discloses an underwater FM2 * path planning method fused with an ocean current model. The method comprises the steps: firstly, enabling each obstacle to be regarded as a wave source, calculating a grid T value, calculating a T * value through the fusion of the cost of reaching a target, carrying out the preliminary path planning of an AUV through an FMM method, and enabling the AUV to find one path to reach the target; using the maximum speed beyond the safe distance to improve the task execution efficiency of the AUV; secondly, referring to an ocean current model, and adjustingAUV steering at a navigation starting point to enable the AUV to turn to an expected path direction; and finally, continuously adjusting the posture of the AUV in real time in the navigation process,and guaranteeing that the AUV can still run according to the expected route under the influence of ocean currents. According to the invention, safe obstacle avoidance can be realized, a smooth shortest-time path suitable for actual navigation is generated, the negative influence of ocean current is eliminated, the ocean current is utilized, the real-time performance is better, and the navigation efficiency is higher.

The invention discloses a flapping-like rotor aircraft, which is characterized in that revolution spindles of flapping rotors are arranged on the two sides of a fuselage through flapping rotor supports, meanwhile, a front rotating arm and a rear rotating arm are correspondingly and perpendicularly fixed to the head end and the tail end of each revolution spindle respectively, and autorotation spindles are rotationally connected with the front rotating arms and the rear rotating arms respectively and located on the two sides of the revolution spindles respectively; a revolution motor drives therevolution spindle to revolve for a circle through a revolution transmission gear set, the revolution spindle drives the autorotation spindle to autorotate for a half circle through an autorotation transmission device, retractable upper single wings are arranged on the two sides of the back of the fuselage respectively, the height difference between the retractable upper single wings and the flapping rotor support is greater than the sum of the heights of the front rotating arm and the rotor mechanism, and meanwhile, the controller is electrically connected with the retractable upper single wing and a jet engine to control the working states of the retractable upper single wing and the jet engine. The invention provides a flapping-like rotor aircraft which improves the ascending efficiency and the navigation speed.

The invention discloses a power boat capable of quickly and continuously eliminating the water resistance. According to the invention, the front bottom plate of the boat is inclined, the rear middle bottom plate is plane, 2-16 inclined drainage passages are arranged under the front bottom plate, and the bottom of the inclined drainage passage is empty, the propeller whose number is equal to that of the inclined drainage passage is equipped in the drainage passage mouth, and a big inlet is arranged in front of the hull leading edge and the inclined drainage passage mouth lower edge. When the boat sails forward, water flows into the big inlet, and the propellers can quickly and continuously drain the water through the inclined drainage passages. The invention enables the boat to sail quickly with less fuel consumption.

The invention relates to a changeable-prow self-propelled floating crane which structurally comprises a prow, a ship body, a fold line, a trunk line, a rotating shaft, a buckle fixing lug, buckle fixing holes and a buckle fixing shaft. The floating crane is characterized in that a floating crane ship in a normal state adopts a streamline design which is same as that of a common ship; the prow is separated from the ship body through the fold line and is separated by the trunk line to form three free independent floating bodies; two independent floating bodies of the prow are respectively connected with the ship body through the rotating shaft to form a whole body and can rotate around the rotating shaft serving as a circle center to expand outwards and the fold to form that the three floating bodies are transversely flush side by side; and the three floating bodies are locked by the buckle fixing lug, the buckle fixing holes and the buckle fixing shaft to form a complete and uniform novel floating crane floating body. Compared with the prior art, the changeable-prow self-navigation floating crane has the outstanding advantages of small self-propelled resistance, high speed, high efficiency, high ratio of ship body displacement to lifting capacity, stability and safety in working, high cargo stacking capacity of a deck and the like, thus having high popularization and use values.

The present invention provides a V-type stepped double-semifloat plus gliidng plate type motorboat (ship) with small inactive friction area with water surface, reasonable structure, low energy consumption, good starting and steering performance and high wave-resisting property. Said invented object can be implemented by adopting the following measures: 1. said motorboat is formed from boat body, gliding portion, operation device, power portion and propeller portion; 2. said boat body is made up by adopting two materials of new-type glass fibre reinforced plastics composite material and newestfull-plastic composite material and adopting special technological process.

The invention relates to marine equipment, in particular to an improvement to a ship water-lubricated sealing device. A marine light-weight water-lubricated sealing device provided by the invention comprises a water-lubricated sealing seat which surrounds a rotating shaft and is fixedly installed on a ship body, a sealing end cover which surrounds the rotating shaft and is fixedly installed on the water-lubricated sealing seat, and a water-lubricated sealing ring. A static sealing end surface which is perpendicular to the rotating shaft is arranged on the sealing end cover. The water-lubricated sealing ring is placed in a space formed by the water-lubricated sealing seat and the sealing end cover, and is fixedly installed and wrapped on a sheath on the external surface of the rotating shaft. The static sealing end surface and the water-lubricated sealing ring form an end surface sealing pair. A sealing ring bush is installed between the water-lubricated sealing ring and the sheath. The marine light-weight water-lubricated sealing device has the advantages of light weight and small occupied space, and provides a technical guarantee for the quick navigation of ships.

The invention relates to a helicopter coaxial double-cone rotor parallel manual device. The device comprises a rotor wing group, a parallel mechanism, a forward and reverse rotation mechanism, a variable-cone mechanism and a spring; the rotor wing group comprises a core rod, an inner sleeve, an outer sleeve, a pull rod group, upper and lower paddle groups, upper and lower connecting rod groups, and upper and lower rings; the upper and lower paddle groups are rotationally connected with the upper ends of the inner and outer sleeves; the parallel mechanism is connected with the rotor wing group in parallel, and a hand-operated crank drives the rotor wing group to swing and stretch; the forward and reverse rotation mechanism drives a coaxial double-connecting-frame rotor wing to rotate forwardly and reversely through the inner and outer sleeves, upper and lower large gears, an idle gear and the upper and lower gears; the variable-cone mechanism changes the included angle between the blades and the axis of the rotor wing group through the core rod, the upper and lower rings and the upper and lower connecting rod groups, and changes the lift force and the flight speed. The device is simple and light, can change the flight direction, speed and lift flight, and has the advantages of high navigational speed, large rotor lift force, balanced reaction torque, simple structure, short fuselage, centered gravity center, symmetrical aerodynamic force, small rotation diameter, good stability and the like.