111results about How to "Improve airworthiness" patented technology

A system is disclosed for dynamically stabilizing a ship in high sea states. A six degree-of-freedom robotic arm is attached to the ship, and a thruster is located at the distal end of the manipulator. The manipulator is be used to orient the thruster to counteract wave forces that act against the ship's hull in real time. This active balancing technique can be used to keep the ship substantially erect in rough seas by making continual corrections to the ship's body attitude. The center of gravity and the center of buoyancy of the ship are utilized, along with a precisely oriented and controlled thrust at the end of the manipulator, to optimally control the ship's state against impending waves.

The invention belongs to the technical field of unmanned boats and discloses a modularized unmanned boat. The modularized unmanned boat comprises an unmanned boat platform, the unmanned boat platformis provided with a control system, a task load and a comprehensive information system, and all the systems are connected together through an optical fiber bus; the unmanned boat platform is a main body of the modularized unmanned boat and comprises a hull, a marine engine and an electrical system, the marine engine comprises a propulsion mechanical device and a generator set, the marine engine andthe electrical system are installed on the hull, and the hull is sequentially provided with a watertight cabin, a water ballast cabin, a replenishing cabin, a cabin and a spraying pump cabin from thehead to the end. According to the unmanned boat in the invention, an open type system and a modular design are adopted, a unified universal boat body platform is adopted for various types of unmannedboats, an optical fiber bus structure is adopted between boat-loaded task equipment, a form of a standardized module structure and a universal bus interface is adopted for the task equipment, the task equipment is connected into a unified whole through an optical fiber bus, and the people are replaced by the modularized unmanned boat to execute tasks such as patrol protection, marine law enforcement, search rescue, water quality monitoring, hydrological geographic investigation and the like in a severe or dangerous environment.

A guidewire navigable through body vessels of a human subject for delivery of a catheter or the like is provided. The guidewire has a tube which receives a corewire that protrudes beyond a distal portion of the tube. The protruding portion of the corewire is surrounded by a spring and shapeable into a curve or arc. The cross-sectional shape of the spring may be varied in order to promote bending flexibility and curvature or to favor curvature of a chosen type. The corewire is axially movable with respect to the tube, which compresses or stretches the spring to change the stiffness of the spring. The tube has a proximal portion comprised of a relatively rigid material, such as stainless steel, while a distal portion is comprised of a more flexible material, such as a nitinol.

The invention discloses a multi-rotor unmanned aerial vehicle. The multi-rotor unmanned aerial vehicle comprises a strip streamlined vehicle body, wherein a plurality of paddle arms symmetrically distributed relative to a symmetry plane in the vehicle body are arranged on the vehicle body; a paddle assembly is arranged at the outer end part of each paddle arm and comprises a motor and a paddle, the motor is mounted on the paddle arm, the paddle is connected to an output shaft of the motor; and the rotation axes of the paddles are located on the same cylindrical surface. According to the technical scheme, on one hand, the resistance of the multi-rotor unmanned aerial vehicle in a flight process can be reduced; on the other hand, the utilization ratio of the volume in the cavity of the vehicle body can be increased, which is beneficial to the upgrade and modification of the multi-rotor unmanned aerial vehicle; besides, the balance and attitude change of the multi-rotor unmanned aerial vehicle having the structural form are simply controlled, and the balance performance is high, so that the seaworthiness of the multi-rotor unmanned aerial vehicle is improved.

Systems and methods are disclosed for facilitating data processing workflow. The systems and methods may provide a first representation of data relevant to a first aspect of a participant's participation in an enterprise, receive input from the participant interacting with the data (the participant's interaction changing the first representation), conceal the first representation, provide a second representation of data, and subsequently provide the first representation including the changes from the participant's interaction. The first representation and the second representation may be provided in a portion of a portal workspace.

A marine vessel used for loading and offloading vehicles and cargo that has both excellent seakeeping and beaching properties. The vessel is provided with azimuthing or steerable thrusters below the waterline at the bow and stern of the ship, with the stern end thrusters being retractable into the hull during beaching operations. Because the vessel is beached "stern first" the bow may be designed with better wave breaking and seakeeping features than are on prior landing craft designs.

The invention relates to an integrally full-revolving and lifting rudder paddle device, including a power actuating mechanism, a rotation control mechanism, a lifting mechanism and a lift type supporting mechanism which engages with the lifting mechanism. The invention is characterized in that the lift type supporting mechanism is a thrust stand composed of sleeves, a stempost, a lifting slide bar, a connection board and a thrust plate, the sleeves are arranged on both sides of the propeller screw and the U-typed groove on the stem in two groups, the upper end of the sleeves is fixed with the stem and the lower end is fixed with the stempost, two groups of lifting slide bars penetrate the two groups of sleeves, the upper end is detachably connected with lift platform via a connection plate, the lower end is connected with the thrust plate. The power actuating mechanism penetrates the U-typed groove of the stem, a supporting axis arranged at the lower end of the power actuating mechanism is rotationally connected with the thrust plate and the whole propeller screw can rotate with a degree of 360 DEG in the thrust stand. The rudder paddle device has the advantages that the propeller screw can rotate with a degree of 360 DEG, the lift range of the propeller screw is large and the ship needs no ballasting when navigating with no load.

The invention provides a semi-submersible unmanned vehicle submarine three-dimensional terrain detection device and method. The device comprises a semi-submersible unmanned vehicle composed of a floating body and a main hull, wherein an antenna is installed above the floating body, a multi-beam sonar terrain detection system, an attitude sensor, a sound velocity profiler, an inertial navigation system, a main control computer and a battery are installed on the main hull, and the multi-beam sonar terrain detection system comprises a processing extension, a transmitter, a receiver, a transmittedsound array, a received sound array and a sonar host. According to the device, task planning and scanning are performed through the semi-submersible unmanned vehicle carrying the multi-beam sonar terrain detection system, a water depth value is obtained through calculation according to back-and-forth time of sound waves, the angle of arrival of a beam and data obtained after time synchronous correction is performed by use of 1PPS, and a submarine three-dimensional terrain map is generated. The device has the advantages that a wave region is avoided, communication and positioning are not limited, the self-stability and invisibility are excellent, the measurement range is wide, measurement speed is high, and measurement efficiency is high.

The invention provides a multifunctional control device of a small waterline plane ship hydrofoil and column rudder, comprising two hydrofoils and a column rudder mechanism; each hydrofoil and the column rudder mechanism comprise hydrofoils; a hydrofoil strut fixed on the hydrofoil, two wing flaps symmetrically distributed on the hydrofoil and at the both sides of the hydrofoil strut and a column rudder arranged on the hydrofoil strut; two hydrofoils and the column rudder mechanism are respectively installed at the front part and the rear part of a small waterplane area twin-hull ship; two sheet bodies of the hydrofoil and the small waterplane area twin-hull ship are fixedly connected according to a certain installation angle; the hydrofoil strut is fixedly connected with a connection body at the upper part of the small waterplane area twin-hull ship. The multifunctional control device of the invention has multiple functions, can shorten transient time from hullborne operation to foilborne operation, weaken heave motion and pitching motion of the small waterplane area twin-hull ship, weaken rolling motion of the catamaran, control inclination angle of the ship, has course control function, can effectively shorten steering gyration radius, and improve the safety, navigability and maneuverability of the small waterplane area twin-hull ship.

The invention discloses a multifunctional six-crawler type underwater robot, which comprises a main floating body, main driving crawlers and swinging arms, wherein the main floating body longitudinally penetrates through the heat and tail; the main driving crawlers are arranged at the inner side of the bottom of left and right side plates; two swinging arms are arranged at each of the head and thetail; the swinging arms are in lateral symmetry arrangement and can freely rotate for 360 degrees; when the main driving crawlers rotate, crawlers on the swinging arms can be driven to rotate, so that the swinging arms have climbing and obstacle crossing capability; the head and the tail of the robot are provided with left and right mechanical arms; the left mechanical arm can realize the gripping function; the right mechanical arm is a hydraulic type built-in hand library type mechanical arm; the functions of drilling, cutting and the like can be completed; the underwater operation efficiency is greatly improved; meanwhile, an environment intelligent monitoring system is carried. The multifunctional six-crawler type underwater robot has multiple purposes such as monitoring, overhaul, salvage, rescue and exploration; the crawler type and leg movement structure advantages are fully utilized; through the effective carrier of the underwater robot, the work efficiency of operations such as underwater overhaul and salvage is improved; the all-round service is provided for underwater engineering.

The invention relates to a submarine with internal and external water reducing resistance to internally form efficient and energy-saving power impelling, in particular to a submarine capable of automatically generating electrical power for persistently sailing. Conventional submarine sailings have rudder resistance and the fluid resistance and the noise of surface orifices, and ballast water occupies the load during sailing; the power of a propeller pays out energy consumption for loading the water weight and various resistance factors, and partial power is lost and wasted; and the bearing capacity of a commonly known diesel-electricity storage energy source is limit, the power is limit, and the endurance of sailing oceanic energy sources is limit. The innovative impelling mechanism adopts the scheme that the submarine is provided with a relevant guide rudder and has no resistance; the orifices are inwards arranged for collective and distributive drainage; the ballast water is converted and reduced for light sailings; bundling untangling is water jet propulsion; the power loss is reduced, and the impelling efficiency is increased; the submarine impelling mechanism has the multiple dual-purpose effect of water, the storage electricity source impels to promote the resistance, and water resources circularly act on a generating system and an electrical system; a distribution system is switched, and the generating system is operated to output electric energy so as to promote to generate energy and supply for the endurance; the energy replacing and saving are finished, and the emission is reduced; and the submarine is beneficial to the ecological protection and suitable for oceanic strategies and embodies full energy storage innovative and characteristic oceanic sailings.

The invention supplies a comprehensive coordination control device that includes intelligent process unit U1, servo mechanism U2 connecting to main fin U3, servo mechanism U4 connecting side fin U5, servo mechanism U6 connecting to main rudder U7, servo mechanism U8 connecting to side rudder U9, rolling information testing sensor U11 setting on vessel and connecting on intelligent information process unit, course heading information testing sensor U10, information gathering unit U12 and information display unit U13. The intelligent process unit connects to servo mechanism U2, U4, U6 and U8.

The invention discloses an unmanned water-surface cleaning electric triple-hulled vessel which comprises a main body, and side bodies on two sides of the main body, wherein the upper side of the main body and the upper sides of the two side bodies are respectively connected into a whole through two pairs of arched brackets; the upper side of the main body is provided with a wing-shaped streamline superstructure; a water surface foreign matter collecting device is respectively arranged between the main body and the two side bodies; the water surface foreign matter collecting device comprises a paddle wheel, a cam, a collecting basket, a paddle wheel transmission motor and a cam transmission motor; the paddle wheel transmission motor is fixedly connected with a corresponding paddle wheel; the cam transmission motor is fixedly connected with a cam inside the paddle wheel; a plurality of movable web plate mechanisms are uniformly distributed outside the edge of the paddle wheel in a radial direction; and the collecting basket is positioned on the rear side of the paddle wheel. According to the unmanned water-surface cleaning electric triple-hulled vessel, the advantages of high stability and low running resistance in the triple-hulled vessel are fully utilized, and the collecting efficiency is improved; and moreover, when the water surface is cleaned by the movable web plate mechanisms, the aim of collecting water surface foreign matters at high efficiency is fulfilled through swing of the web plates, and the labor intensity and the use cost are reduced.

The invention provides a boat helm / wing rudder discretional rotation angle transmission device. The invention consists of a main rudder blade, a main rudderpost, a photo-electricity encoder, a wing rudder leaf, a wing rudder shaft, a wing rudder driven gear, an internal bearing, a turbine sleeve shaft, an external bearing, a worm motor component, an external base seat, a gear bearing, a bottom seat, a main shaft drive gear, a middle supporting plate, an upper base seat, a harmonic reducer, an input shaft sleeve, an upper cover, a top motor supporting cover, a main shaft motor, a top encoder supporting cover, an encoder coupler, a photo-electricity encoder, a main shaft driven gear, a frame, etc. The invention enables the rotation of the wing rudder out of the restriction of the main rudder, namely, a small control surface which correspondingly and independently motions is added on the rudder to obviously improve the fluid power performance of the rudder, thus improving the course control performance of the rudder system. The invention has the advantages of reducing the energy consumption, improving the reliability and improving the navigability of the boat.

A guidewire navigable through body vessels of a human subject for delivery of a catheter or the like is provided. The guidewire has a tube which receives a corewire that protrudes beyond a distal portion of the tube. The protruding portion of the corewire is surrounded by a spring and shapeable into a curve or arc. The cross-sectional shape of the spring may be varied in order to promote bending flexibility and curvature or to favor curvature of a chosen type. The corewire is axially movable with respect to the tube, which compresses or stretches the spring to change the stiffness of the spring. The tube has a proximal portion comprised of a relatively rigid material, such as stainless steel, while a distal portion is comprised of a more flexible material, such as a nitinol.

The invention discloses a U-shaped self-propelled wave power generation device. The wave power generation device comprises a ship body, a wave energy collection and conversion mechanism and a propelling mechanism; the ship body comprises a cabin, a cockpit, a device chamber, a deck and a tail plate, wherein the deck is arranged at the upper part of the cabin, the cockpit is arranged on the deck, the device chamber is arranged inside the cabin, and the tail plate is arranged at the tail part of the cabin; the wave energy collection and conversion mechanism comprises a front vertical pipe, a front air turbine generator set, a rear air turbine generator set, a rear vertical pipe and a horizontal pipe; and the horizontal section of the front vertical pipe is approximately triangular, and the horizontal section of the rear vertical pipe is quadrilateral, the vertical section of the horizontal pipe is pentagonal, and the front vertical pipe, the horizontal pipe and the rear vertical pipe sequentially communicate to form a U-shaped channel. The wave power generation device has the advantages that a foundation is laid for low cost, the wide sea area and high-efficiently utilization of thewave energy.

A flying wing boat is provided, which comprising a fuselage provided with a cockpit at a bow thereof; a pair of main wings, each of which being pivotably connected to one side of the fuselage respectively and being provided with a flap; a pair of pontoons, each of which being provided at a tip of each main wings; at least one propeller provided at a fore part of the fuselage; and a driving system supplying power to the at least one propeller. The flying wing boat of the present invention could improve the safety and comfortabilty of navigation.

The invention discloses a composite triple-hulled vessel with aid-to-navigation hydrofoils. The composite triple-hulled vessel comprises a deck, a main vessel body and two side vessel bodies, wherein the main vessel body and the two side vessel bodies are fixedly connected to the lower surface of the deck; the two side vessel bodies are located at the left and right sides of the main vessel body, and a deep-immersed aid-to-navigation hydrofoil is arranged at the tail portion of each side vessel body. According to the composite triple-hulled vessel with the aid-to-navigation hydrofoils, the design ideas of two high-performance vessels which are added with hydrofoils and side bodies correspondingly to be propelled are combined together, while the advantages of a triple-hulled vessel is ensured, the aid-to-navigation hydrofoils added with propelling devices assist the side vessel bodies to propel, so that the turning ability and the maneuverability of the triple-hulled vessel are enhanced, and the lengths of the deep-immersed aid-to-navigation hydrofoils and wave energy recycling hydrofoils are adjusted to change the areas of the hydrofoils, so that the flotation of the triple-hulled vessel in the sailing process is controlled.

The invention provides a transmission device of any rotation angle ratio of a ship flap rudder of a slide block type, comprising a main rudder blade, a main rudder shaft, a wing rudder blade and a wing rudder shaft. The main rudder shaft penetrates through a ship bottom shell by a ship bottom seal, the main rudder blade is mounted on the main rudder shaft, and the wing rudder blade is mounted on the wing rudder shaft. The transmission device also comprises a fixed guide rail, a fixed slide block, a sliding bearing, a movable slide block, a movable slideway, a hydraulic oil cylinder and a piston rod; the hydraulic oil cylinder is mounted in the ship bottom shell, and the piston rod of the hydraulic oil cylinder penetrates through the ship bottom shell to be connected with the movable slide block which is connected with the fixed slide block; a sliding bearing is mounted outside the movable slide block, the fixed slide block is mounted in the fixed guide rail, the movable slide block is mounted in the movable slideway, and the wing rudder shaft is connected with the movable slideway. The transmission device enables the flap rudder to rotate and separate from the restriction of a main rudder, improves the course control performance of a rudder system, reduces the energy consumption, improves the reliability and improves the ship navigability.

The invention aims to provide a joint automatic control device for inner flaps / outer flaps of a hydrofoil catamaran. The joint automatic control device comprises a catamaran. Two sheets are respectively mounted at the left end and the right end of the lower side of the catamaran, a front hydrofoil is mounted at the front ends of the lower sides of the two sheets, a rear hydrofoil is mounted at the rear ends of the lower sides of the two sheets, a first outer flap, a second outer flap, a first inner flap and a second inner flap are respectively mounted at the rear end of the front hydrofoil by the aid of a first connecting shaft, a third outer flap, a fourth outer flap, a third inner flap and a fourth inner flap are respectively mounted at the rear end of the rear hydrofoil by the aid of a second connecting shaft, and the first outer flap, the second outer flap, the third outer flap, the fourth outer flap, the first inner flap, the second inner flap, the third inner flap and the fourth inner flap are respectively connected with respective servo motors. The joint automatic control device has the advantages that the joint automatic control device is simple in structure and reasonable in design, multifunctional and multi-objective cooperative control is implemented, and the safety, the seaworthiness and the maneuverability of the hydrofoil catamaran are improved; the front hydrofoil and the rear hydrofoil are respectively connected with the two sheets of the hydrofoil catamaran, so that the mechanical structural strength is improved.

A ship having a multi-mode hull where the draft, seakeeping, and payload-carrying capacity are varied to match the requirements of the required mission. For example, the ship has a hull with first and second hull portions and with an interconnecting hull structure, and has a ballasting system within the hull portions and operable to adjust the draft of the vessel in conjunction with the payload carried by the ship so that the ship can perform a designated mission. The hull is designed to have an adjustable hull depth according to the payload carried to perform the mission and augmented by the ballasting system so as to optimize draft, and thus hull mode, to meet mission requirements. As a result, the ship operates in four distinct modes as follows: very shallow draft (logistics mode), shallow draft (catamaran mode), moderate draft (SWATH mode), and deep draft (stealth / low-freeboard mode).

The invention discloses a wave absorbing type wave piercing yacht. The wave absorbing type wave piercing yacht comprises a main yacht body, and two rigid sheet bodies which are respectively and symmetrically connected onto two sides of the tail of the main yacht body in bridging mode, wherein a channel is formed between the main yacht body and each vertical rigid sheet body on each side of the main yacht body, and the two channels are symmetrically formed on the left side and the right side of the main yacht body, and used to increase stability and absorb waves. The wave absorbing type wave piercing yacht is based on an original single wave piercing type yacht, and deficiencies of the original single wave piercing type yacht are improved by adding the sheet bodies on two sides of the main yacht body, and furthermore the wave absorbing type wave piercing yacht has the advantages of being high in navigational speed, adaptive to multiple sea states, small in wave rise, suitable for inland rivers, lakes and coastal regions, and applicable to yachts, seaborne high speed interception boats and the like, and having certain cloaking and wave piercing properties.

A flying wing boat is provided, which comprising a fuselage provided with a cockpit at a bow thereof; a pair of main wings, each of which being pivotably connected to one side of the fuselage respectively and being provided with a flap; a pair of pontoons, each of which being provided at a tip of each main wings; at least one propeller provided at a fore part of the fuselage; and a driving system supplying power to the at least one propeller. The flying wing boat of the present invention could improve the safety and comfortability of navigation.

The invention relates to an adjustable drive system for a surface paddle and a boat with an appendage at the stern part. The adjustable drive system for the surface paddle comprises a hydraulic oil cylinder, a transmission rod, a bracket of the transmission rod, and a beauty frame fixed on a shaft of the surface paddle. The adjustable drive system further comprises a universal ball head or a cylindrical head mounted on a boat body, wherein the hydraulic oil cylinder comprises a cylinder body mounted inside the boat body and a piston rod extending out from the inside of the cylinder body; the piston rod penetrates through the universal ball head to be connected with the transmission rod and the beauty frame; the piston rod moves by matching with the universal ball head or the cylindrical head; and the transmission rod and the beauty fame are in linkage to drive the surface paddle to move, so as to adjust the angle of the surface paddle. For the adjustable drive system for the surface paddle and the boat provided by the invention, the piston rod moves by matching with the universal ball head or the cylindrical head, so that the surface paddle can achieve the maximum drive efficiency, and is convenient to adjust. With the design of the integrated step appendage at the stern part, the buoyancy of the boat can be increased, the sailing posture can be adjusted, and the seaworthiness can be improved.

The invention provides a ship fin stabilizer and wing fin vector control method. The method includes transmitting current ship rolling information measured by a rolling sensor to an intelligent ship stabilizing regulator; performing ship stabilizing robust control algorithm calculation according to the current rolling information to obtain rolling stabilizing control torque needed by stabilizing; performing intelligent decision algorithm calculation on a fin stabilizer angle and a wing fin angle according to the needed rolling stabilizing control torque to obtain needed fin stabilizer angle and wing fin angle instruction signals; transmitting the fin stabilizer angle and wing fin angle instruction signals to a fin stabilizer and wing fin servo system through an asynchronous serial communication interface to drive and control a fin stabilizer and a wing fin so as to provide the needed rolling stabilizing torque and reduce ship rolling. By the ship fin stabilizer and wing fin vector control method, a ship stabilizing effect can be achieved, energy consumption can be lowered, and the all-weather navigability and reliability of a ship can be improved.

The invention relates to a high speed boat, and belongs to the technical field of shipping. A boat body of the high speed boat is provided with a fore peak, a passenger compartment and an engine room from head to tail. The dead rise angle of the fore peak is 38-42 degrees. The cross section of the passenger compartment is in a folded angle form, and the outline of the cross section of the passenger compartment is formed by sequentially connecting two lateral sides of two broadsides of the boat body, a bottom side, a first folded side and a second folded side, the bottom edge, the first folded side and the second folded side are located at the bottom of the boat body and arranged sequentially from bottom to top, the bottom side and the second folded side are horizontally arranged at the bottom of the boat body, the bottom side is arranged in the center of the bottom of the boat body, and the second folded side and the lateral sides are adjacent and arranged at the sides of the bottom of the boat body. The included angle between the first folded side and the bottom side and the included angle between the first folded side and the second folded side are both 150-160 degrees. The included angles between the second folded side and the lateral sides are 100-110 degrees. The high speed boat has the advantage of being high in speed.

A unmanned water quality monitoring ship comprises a hull and an equipment compartment which is arranged on the hull and is used for placing water quality monitoring equipment. The ship is characterized in that the two sides of the hull are provided with wing floating bodies for increasing hull stability and seaworthiness; the wing floating bodies include ship wings horizontally arranged on the two sides of the hull and a support floating body which is vertically arranged at the one side bottom of the ship wings away from the hull towards a water surface direction; the bottom of the ship wingsis provided with a water quality detecting device for collecting and detecting a monitored water source; a control system, a power supply and power system, a wireless communication system, and a remote monitoring system are arranged in the equipment compartment; the control system is connected to the water quality detecting device, the power supply and power system, the wireless communication system, and the remote monitoring system through a communication interface; and the control system is used to receive the data and the operational information of the water quality detecting device, the power supply and power system, the wireless communication system, and the remote monitoring system and send a control command.

The invention discloses a control method for an unmanned ship. The control method is applied to a control system for an unmanned ship. The system comprises a shore-based monitoring subsystem, a lowercomputer control subsystem, a propeller control subsystem, a steering engine control module, a propeller control module, an image acquisition module, a laser ranging module, a communication module anda temperature and humidity module; the unmanned ship comprises a ship body, a connecting structure, closed waterproof boxes and propeller sets; the ship body comprises a first ship body structure anda second ship body structure; the connecting structure is connected with the first ship body structure and the second ship body structure; the closed waterproof boxes are symmetrically arranged between the first ship body structure and the second ship body structure; the propeller sets comprise a first propeller set and a second propeller set; the first propeller set is located on the connectingstructure at one end of the ship body; the second propeller set is located on the connecting structure at the other end of the ship body; the propeller sets are symmetrically distributed along a center line; and the center line is a center line corresponding to the first ship body structure and the second ship body structure. The control method is suitable for the control and structural improvement of large unmanned ships.

The invention provides a step composite ship form with retractable type hydrofoils. The step composite ship comprises a hull with a step and a fake tail, a front hydrofoil, a rear hydrofoil, supporting columns of the hydrofoils and devices for separately controlling the corresponding hydrofoil to extend / retract, wherein the front hydrofoil is located behind the step; the rear hydrofoil is located under the fake tail; the hydrofoil extending and retracting devices are arranged in the hull, and are used for extending / retracting the front hydrofoil and the rear hydrofoil; and when being unfolded, the hydrofoils are located under a baseline of the hull; and when the hydrofoils are retracted, the front hydrofoil is located behind the step, and the rear hydrofoil is located under the fake tail, and the front hydrofoil and the rear hydrofoil are close to the bottom of the hull. According to the step composite ship form with the hydrofoils which are additionally arranged disclosed by the invention, in an abyssal region, excellent hydrodynamic characteristics of the hydrofoils can be utilized to achieve the purposes of reducing resistance, increasing speed and saving energy, and the vertical damp of the hydrofoils and the longitudinal self-stability characteristic of a hydrofoil system can also be utilized to notably improve the movement performance of a ship and light boat; and in a shallow water region, after the front hydrofoil is retracted to the step, the rear hydrofoil can be retracted under the fake tail, so that the situation that the normal exerting of the functions of the ship and the light boat is influenced because the hydrofoils touch the ground is avoided.

The invention discloses a flush box type multi-mode stabilization device, comprising a box body, a flush box top board, a middle partition, a flush box bottom board, a rocking arm, a driving power device, a connecting rod, a connecting rotary shaft, upper rollers and lower rollers.The flush box top board and the flush box bottom board are mounted at upper and lower ends of the box body, respectively, the middle partition is mounted in the box body, one end of the connecting rod is connected with the rocking arm, the other end of the connecting rod is connected to the box body through the connecting rotary shaft, the driving power device is connected with the rocking arm, the upper rollers and the lower rollers are mounted respectively on the back of the box body, the stabilization device is connected with a hull through the rocking arm, the hull is fitted with rails, and the upper and lower rollers of the stabilization device move up and down along the rails.The flush box type multi-mode stabilization device has clear mechanical principle of stabilization and high efficiency, is applicable to ships at a speed and at zero speed, is free of increasing hull draft or reducing original ship stability, is convenient to mount and maintain, and is suitable for standard and modular design and convenient to manufacture in parallel.