32results about How to "Improve sailing stability" patented technology

The invention discloses a swimming and walking combined underwater operation robot and a control method thereof. The robot comprises a frame, a floating body module, a hanging bracket, a control sealed cabin, a moving component, a sensing and probing component, a vision localization device and an operation extension module, wherein the floating body module, the hanging bracket, the control sealed cabin, the moving component, the sensing and probing component, the vision localization device and the operation extension module are mounted on the frame; and the gravity center of the robot is positioned below a buoyant center. The swimming and walking combined underwater operation robot can be adapted to the operation demands of different types and different postures of working faces and can also adapted to the demands of omnibearing maneuvering and obstacle crossing ability on different working faces, thus the walking capacity, on the working faces, of the underwater operation robot is improved, and the underwater operation robot can be adapted to the demands of more application sites.

The invention discloses a high-speed and high-sea-condition multi-body unmanned underwater vehicle capable of diving and a control method thereof. The multi-body unmanned underwater vehicle comprisesa main ship body, a plurality of propelling sub-ship bodies, a plurality of side wings, a plurality of horizontal rudders, a tail fin and a communication sub-ship body. The side wings are arranged onthe two sides of the main ship body, one ends of the side wings are connected with the main ship body, the other ends of the side wings are connected with one sides of the propelling sub-ship bodies,the other sides of the propelling sub-ship bodies are connected with the horizontal rudders, one end of the tail fin is connected with the main ship body, and the other end of the tail fin is connected with the communication sub-ship body; the communication sub-ship body is in communication connection with the main ship body; the propelling sub-ship bodies and the communication sub-ship body are connected with propellers; and a ballast water tank is further arranged in the main ship body and used for adjusting water inflow and drainage in the ship body. In the invention, functions of overwaternavigation, semi-submersible navigation and full-submersible navigation can be realized, overwater and underwater operation requirements under high sea conditions are met, and stability is kept to the greatest extent.

The invention discloses a ship with an open type novel dead wood structure, and aims to provide the ship with the open type novel dead wood structure, which is simple in structure, low in production cost, capable of reducing water flow resistance and good in sailing stability. The ship comprises a ship body (8) and a dead wood component (1), wherein a propeller (3) is arranged at the tail part ofthe ship body (8), the surface, close to the propeller (3), of the ship body (8) is an inclined surface (2), the dead wood component (1) is arranged on the inclined surface (2) and is positioned in front of the propeller (3), and the dead wood component (1) is of a hollow box-shaped structure. The invention is applied to the technical field of ship structures.

A dual-channel unmanned aerial vehicle with a two-stage transmission engine tandem capable of generating electricity and carrying loads, including a fuselage, a transmission assembly, a power generation assembly, a rotor assembly, a rudder surface assembly, and a flight control assembly. The engine is arranged longitudinally on the fuselage, and the rotors are arranged horizontally on both sides of the fuselage; the movement of the engine is transmitted to the rotor assembly on the one hand to generate the updraft required for flight, and on the other hand to the power generation assembly to generate electricity for the UAV. Other components are used; the steering gear adjusts the angle of the rudder surface, changes the airflow direction and then changes the flying direction and attitude of the UAV; The overall vibration frequency of the body reduces the weight, increases its endurance and flight time, and enhances the navigation stability of the UAV. At the same time, the upper part of the fuselage is used as a loading platform to carry various materials.

The invention provides an unmanned ship design measurement system. The unmanned ship design measurement system comprises two unmanned ships, a connecting frame and a carrying platform. The unmanned ships are distributed on the two sides of the carrying platform and connected through the connecting frame and are unmanned ships. The carrying platform carries a depth finder, an attitude determination system, multiple beams, a side-scan sonar, an ADCP flow velocity and flow meter and a water quality multi-parameter meter sensing device. The unmanned ship carries a pump spraying type double-power double-rudder module, and is driven by a direct-current brushless motor and propelled by water spraying. Wherein each pump spraying power module is provided with rudder direction control; the carrying platform communicates with the control terminal through the wireless transmission module; the data transmission of the wireless transmission module adopts the same link, and the data storage adopts double backups; and the control terminal remote controller can display voltage, speed, position, course, observation satellite and distance information in real time. The unmanned ship design measurement system further comprises a ground control base station. The unmanned ship design measurement system is stable in ship body operation, high in carrying capacity, high in power and convenient to control, and solves the problem of shallow water detection.

The invention provides a ship keel structure and a keel manufacturing method. Each keel segment comprises a top plate, a bottom plate, a partition plate, webs and base plates, wherein the top plate is located on the upper portion, the bottom plate is located at the bottom, and the partition plate, the webs and the base plate are located in the middle; and lead blocks are poured into storage boxes defined by the top plate, the bottom plate, the partition plate, the webs and the base plates, and then the storage boxes are sealed through a side plate. Molten lead is poured into the storage box in the middle of each keel segment, and prefabricated lead blocks are used for installation in the positions where the keel segments are combined. Through a keel of the structure and the keel manufacturing method, the keel manufacturing precision and the compactness of poured lead can be improved; meanwhile, the installation and combination precision of the keel segments in the front-back direction is guaranteed, and the straightness and precision of the whole ship keel are improved; and in addition, the effect that the weight center of gravity of the keel is calculated accurately in the subsequent stage is effectively guaranteed, and thus the sailing stability of a ship is improved.

The invention discloses a variable wing shape dual-function deep-sea unmanned vehicle and a working method thereof, which relates to the field of underwater vehicles. The variable wing shape dual-function deep-sea unmanned vehicle comprises a variable wing system, a retractable propulsion system and a distributed pressure-resistant system. The retractable propulsion system includes a retractable propulsion vehicle located at the after portion of the submersible vehicle. Distributed withstand pressure system includes withstand pressure battery cabin, main withstand pressure electronic cabin, hydrodynamic light shell, head and tail residual buoyancy device. The variable wing system consists of front and rear main wings and spokes. The main wings and spokes are symmetrically distributed alongthe axial direction of the airframe. The main wings are designed with high aspect ratio contractible mechanism. The spoke includes a movable rudder. The problems of drag and dynamic instability are solved, and the two modes of large-scale gliding and high-speed direct navigation are fused.

The invention discloses a variable-configuration dual-navigation long-range marine unmanned vehicle driven by a natural environment fluid, which has a surface navigation mode, a navigation switching mode and an underwater navigation mode, and includes: a wind energy collection unit that receives wind applied by ocean wind. The aerodynamic force drives the aircraft to sail; the buoyancy adjustment unit adjusts the buoyancy of the aircraft itself in the underwater navigation mode, and combines the hydrodynamic force exerted by the head-on water flow when the aircraft moves to realize the heave movement and horizontal travel of the aircraft; wing keel; linkage The unit is used to complete the pose change of the sail and the wing keel during the navigation switching mode; the photovoltaic power generation unit is used to collect solar energy and provide power supply for the aircraft's power consumption devices during the surface navigation mode. The variable-configuration dual-navigation state long-range marine unmanned vehicle driven by the natural environment fluid provided by the present invention utilizes the sea surface wind and air flow, underwater water flow and sunlight in the natural environment to achieve energy self-sufficiency. It is capable of long-distance navigation in all navigation states.

The invention discloses a three-channel hydrofoil composite ultra-high-speed boat, which aims to provide a three-channel hydrofoil composite that can effectively balance speed, seakeeping and stability under certain sea conditions and achieve excellent comprehensive navigation performance. Super high-speed boat. The invention includes a hull. Viewed from the bow to the stern, the bottom of the hull is provided with a central channel (3) and symmetrically arranged left side shallow channels (4) and right side shallow channels (4a). ), a bow hydrofoil (9) and a tail hydrofoil (10) are provided in the central channel (3). The invention is applied in the technical fields of ship design and production.

The invention discloses a floating garbage collecting and automatic feeding intelligent robot for aquaculture. The floating garbage collecting and automatic feeding intelligent robot comprises a sealing cover; the buoy collecting cover is movably arranged on the outer side of the sealing cover in a sleeving manner; the top of the storage inner barrel is in sealed connection with a sealing cover, and the top of the outer collection barrel is in floating connection with a buoy collection cover to form a buoy collection bin; the discharging inner cylinder is fixedly arranged at the bottom of an inner cavity of the buoy collecting cylinder; the piston type float bowl is arranged between the discharging inner barrel and the material storage inner barrel, the piston type float bowl and the top of the piston type float bowl define a closed material storage bin with the variable size, and the piston type float bowl and the bottom of the piston type float bowl define a closed pressurized water bin with the variable size; the integrated discharging rod is used for downwards conveying the bait in the storage bin to the discharging cavity for feeding; and the four-direction propeller is used for driving the robot to move forwards, backwards, leftwards and rightwards. Automatic floating garbage collection and automatic bait casting are achieved, manpower is liberated, and meanwhile nutrition supply of aquatic organisms and water environment maintenance are greatly guaranteed.

The invention relates to a deep and far sea culture work ship based on wind energy-wave energy combined power generation and single-point mooring. The deep and far sea culture work ship comprises a bow, a stern and a plurality of culture net cages arranged between the bow and the stern. The stem is provided with an inner turret single-point mooring system, the inner turret single-point mooring system comprises a moon pool arranged on the stem and a buoy located in the moon pool, and the stem is rotationally connected with the buoy; a wind driven generator is installed above a deck of the stern, and a wave power generation device is installed below the deck. The wave energy power generation device is arranged at the stern, heaving motion response of the oscillating floaters is increased, power generation efficiency is improved, and meanwhile heaving and pitching motion response of the breeding work ship can be reduced through the damping effect of the oscillating floaters; the horizontal shaft fan is arranged at the stern, so that the gravity center of the ship body moves backwards, the single-point mooring weather vane effect of the whole ship can be enhanced, the seawater exchange rate can be increased, meanwhile, the good windward posture of the fan can be kept, high-power-generation-efficiency work can be conducted, and the intermittent defect of wave energy power generation is overcome.

The invention discloses an unmanned ship with a three-stage damping self-stabilizing system. The unmanned ship with the three-stage damping self-stabilizing system comprises double long buoys, dampingbases, cat-like connecting rod type leg damping structures, a six-degree-of-freedom hydraulic self-stabilizing device and a ship cabin, wherein the double long buoys are provided with the four damping bases, the bottom end of each cat-like connecting rod type leg damping structure is connected with the corresponding damping base, and the top end of each cat-like connecting rod type leg damping structure is connected with a connecting bridge; and the six-degree-of-freedom hydraulic self-stabilizing device is arranged on the connecting bridge, and the ship cabin is mounted on the six-degree-of-freedom hydraulic self-stabilizing device. The invention provides an unmanned ship design scheme with a three-stage damping system on the basis of the current situation of application and research ofthe unmanned ship. Through the design of a base damping structure, high-speed navigation under low-amplitude surge is realized; and through the design of the cat-like connecting rod type leg damping mechanisms, stable navigation under high-amplitude surge is realized. According to the unmanned ship with the three-stage damping self-stabilizing system, a bionic structure design is added, and the cat-like connecting rod type leg structures are used as four supports of the unmanned ship, so that the stability and the damping effect of a ship body are improved.

The invention discloses an amphibious vehicle and a floor compensation and trim adjustment device thereof. The device includes a guide rail, a plate unit recovery structure, a plate unit pull-out receiving, a trim adjustment structure and an integrated controller; a number one plate unit is connected between the guide rails. Shaft, No. 2 board unit connecting shaft, No. 3 board unit connecting shaft, No. 4 board unit connecting shaft, No. 5 board unit connecting shaft, No. 6 board unit connecting shaft, No. 7 board unit connecting shaft, set between adjacent connecting shafts The No. 1 compensation board unit, the No. 2 compensation board unit, the No. 3 compensation board unit, the No. 4 compensation board unit, the No. 5 compensation board unit, the No. 6 compensation board unit, the No. 7 board unit connecting shaft is connected to the No. 7 compensation board unit; The unit recovery structure includes a front-end side-mounted motor, a front-end electronically controlled coupling clutch, a reel, and a recovery frame; the plate unit pull-out structure includes a rear-end side-mounted motor, a rear-end electronically controlled coupling clutch, a driving sprocket, a transition sprocket, and a chain. , chain box; the trim adjustment structure is composed of electro-hydraulic push rod group.

The invention puts forwards a swimming-walking hybrid bionic blade leg and track combined walking underwater robot and a control method of the swimming-walking hybrid bionic blade leg and track combined walking underwater robot. The swimming-walking hybrid bionic blade leg and track combined walking underwater robot comprises a frame, a floating body module, a hanging bracket, a control sealed cabin, a motion component, a sensing detection component, a visual positioning device and an operation extension module; the floating body module, the hanging bracket, the control sealed cabin, the motion component, the sensing detection component, the visual positioning device and the operation extension module are all mounted on the frame, and the gravity center of the underwater operation robot is located right under the buoyancy center. By adopting the invention, the underwater operation robot can adapt to operation demands for working faces of different categories and different attitudes, and further can adapt to the demands on omnidirectional mobility and obstacle climbing abilities on the different working faces, thereby being capable of providing technical support to various underwater operation tasks completed by the underwater operation robot.

The present invention proposes a water surface multifunctional autonomous cruising ship system, including a shore control system, a hull, a power system, a sensor system and a water control system; the shore control system includes a central controller, a display system and a shore wireless transceiver; the power system is divided into Aerodynamic propulsion system and hydrodynamic propulsion system; the sensor system can detect the position and attitude of the hull, and the surrounding environment information of the hull; the water control system includes the water controller and the water wireless transceiver; the water controller receives the shore wireless transceiver through the water wireless transceiver The sent control commands are converted into driving commands to control related onboard components; the water control system sends the detected hull position, attitude, surrounding environment information of the hull, and the working status of the power system to the shore control system. The invention realizes remote wireless remote control and autonomous navigation, and adopts the combination of hydrodynamic propulsion and aerodynamic propulsion to overcome the influence of complex underwater environment on autonomous navigation.

The invention discloses a single-degree-of-freedom foldable and deployable wing sail, comprising a skeleton component, a flexible skin and a wire drive component; wherein, the flexible skin is fixed on the skeleton component, and the wire drive component is connected with the skeleton component; The driving frame, the follower frame and the fixed frame are arranged in sequence from top to bottom; the follower frame is composed of a first aluminum alloy rod and a first carbon fiber rod; the driving frame includes a second aluminum alloy rod and a second carbon fiber rod , an unfolding line fixing shaft, a folding line fixing shaft, and a rotating disk; the fixing frame includes a third carbon fiber rod, a first threaded rod, a connecting rod assembly and a second threaded rod. The invention changes the area of ​​the wing sail by unfolding different numbers of skeletons to adapt to different wind speeds and wind directions on the sea surface, so that the wing sail has a better thrust performance and a relatively stable sailing attitude, and in addition, all the skeletons are folded together to achieve a larger folding rate, so that the craft can be converted from sail drive mode to propeller propulsion or dive sailing motion mode.