321results about "Steering rudders" patented technology

The invention belongs to the technical field of ships, and discloses an arrangement position type polar region ship with a stern-direction ice breaking and discharging structure. The arrangement position type polar region ship comprises a ship body, an ice discharging piece and a rudder, and the width size of the ship body is B; the ice discharging piece is fixed to the bottom face of the stern, the outer surfaces of the ice discharging piece are all curved surfaces, the curvature radius R1 of the ice discharging piece in the ship length direction ranges from 0.20 B to 0.80 B, the curvature radius R2 of the ice discharging piece in the ship width direction ranges from 2 to 8, the contact area of the large-curvature outer surface and crushed ice is small, the crushed ice and the curved surfaces are difficult to form a stable attachment relation, and the ice discharging piece is not prone to falling off. Therefore, under the action of hydrodynamic force, crushed ice at different positions of the curved surface can quickly slide to different positions, accumulation of the crushed ice on the inner side of the upper portion of the rudder is avoided, and the sailing safety of a ship is improved. The rudder extends in the height direction of the ship, and the upper end of the rudder is installed on the bottom face of the ice discharging piece in a swinging mode and located at the end, close to the bow, of the ice discharging piece in the length direction of the ship, so that the ice discharging piece plays a role in protecting the rudder.

An improved cap rudder and a boat. The cap rudder (1) comprises a rudder shaft (10) and a cap plate (11) fixed to a lower end (104) of the rudder shaft, wherein a rudder shaft sleeve (12) is axially located between the cap plate (11) and an upper end (101) of the rudder shaft, the rudder shaft (10) is radially supported in the rudder shaft sleeve (12) by means of a first bearing, and a pair of coaxially arranged transverse shafts (13) are perpendicular to an axis of the rudder shaft (10), with one end of each transverse shaft (13) being fixed to an outer wall of the rudder shaft sleeve (12), and the other end of each transverse shaft (13) being a bearing connection end (132) connected to a second bearing (133). The transverse shafts of a rudder anchor and the rudder shaft sleeve form a cross-shaped structure, and the rudder shaft sleeve can rotate around the transverse shafts, so that the rudder angle of the cap rudder is changed, thereby realizing the adjustment and control of the trim of a hull.

A method of controlling steering of a marine vessel includes receiving a steering input from an operator-controlled steering input device, determining a desired turn rate for the marine vessel and a desired roll angle for the marine vessel based on the steering input, and controlling a steering angle of at least one trimmable propulsion device based on the desired turn rate and controlling a trim deployment of a pair of trim tabs and / or the trimmable propulsion device based on the desired roll angle so as to steer the marine vessel according to the steering input.

The invention discloses a control method of a marine wind power boosting rotor, and relates to the technical field of ship energy conservation and control, and the method comprises the steps: determining constraint conditions of marine wind power boosting rotor control; according to the wind power environment parameters, the operation condition of the wind power boosting rotor for the ship at the t moment is determined, and the optimal rotating speed of the wind power boosting rotor for the ship is determined; constructing a target function controlled by the marine wind power boosting rotor, and calculating the optimal rudder angle and the optimal propeller power of the ship when the target function reaches the minimum by utilizing an optimization method according to the optimal rotating speed at the moment t, the rudder angle of the ship, the propeller power, the motion state parameters and the wind power environment parameters; and the rotating speed of the wind power boosting rotor and the rudder angle of the ship are adjusted according to the optimal rotating speed, the optimal rudder angle and the optimal propeller power. According to the method, cooperative improvement of rotor energy efficiency and ship control stability is achieved by controlling boundary constraint and self-adaptive adjustment of a complex wind field.

The invention discloses a steering engine transmission mechanism, and relates to the technical field of ship steering engines, and the steering engine transmission mechanism comprises a mounting base, a rotating disc, an electric drive steering mechanism, a detection mechanism and a hydraulic drive buffer mechanism; the steering engine shaft has the advantages of being reasonable and simple in structure and low in production cost, stable steering of the steering engine shaft can be achieved through cooperation of the electric drive steering mechanism and the hydraulic drive buffering mechanism, different steering requirements in ship navigation are met, and reliability and safety in the steering process can be ensured; steering driving of the steering engine shaft is achieved through the speed reduction motor with a brake and a specific transmission structure, meanwhile, the hydraulic drive buffering mechanism can provide effective buffering, the situation that steering impact is too large is avoided, and the requirements for steering precision and stability of a ship under various sea conditions can be met; according to the system, ship steering can be independently achieved when the electric drive steering mechanism or the hydraulic drive buffering mechanism is abnormal, the good fault-tolerant capability is achieved, large-amplitude steering can be achieved through linkage of the electric drive steering mechanism and the hydraulic drive buffering mechanism, and the safety and reliability of ship navigation are further guaranteed.

A control device for controlling a watercraft includes a position detection module and a positioning module. The position detection module is configured to detect a current position of the watercraft. The positioning module is configured to determine a new position for the watercraft within a delimited region depending on at least one positioning parameter when the watercraft approaches a boundary of the delimited region to within a predetermined distance or a parameterizable distance.

The utility model provides a steering system based on a yoke steering wheel and electronic steering gear box connecting structure, which comprises a steering unit, a steering unit and a control unit, the steering unit comprises a yoke steering wheel, an electronic steering gear box and a limiting mechanism, the steering unit and the control unit are installed in a ship cockpit, the steering unit is installed on a stern, and the electronic steering gear box is installed on the steering unit. The steering unit and the steering unit are both in electric control and communication connection with the control unit, and the control unit receives user operation information and actual steering data and outputs corresponding adjusting instructions through a PID algorithm. The connecting structure is compact in design, an electronic feedback system is strictly closed, the accuracy and reliability of the steering process are guaranteed, and the control performance of the ship is improved.

The utility model discloses a socket device for connecting a main rudderstock and a detachable flap type rudder blade of a ship, which comprises a lubricating component, a connecting component and a connecting component, and the lubricating component comprises a main rudderstock body, a lubricating tank, an oil leakage hole, a ball and an upper oil pipe; the lubricating tank penetrates through the upper end of the outer surface of the main rudderstock body, the oil leakage hole is formed in the inner wall of the lubricating tank, the ball is movably installed in the oil leakage hole, the upper oil pipe is connected to one side of the upper surface of the lubricating tank, the sealing cover is installed at the upper end of the outer surface of the upper oil pipe, and the fixing plate is fixed to the lower end of the outer surface of the lubricating tank. Fixing holes are formed in the outer surface of the fixing plate. Through the arrangement of the lubricating assembly, the problems that in the background technology, if an existing main rudderstock is not properly lubricated, due to the fact that direct contact and friction between metal are increased, abrasion of parts is accelerated, and due to excessive abrasion, not only is the service life of the rudderstock shortened, but also the service life of the rudderstock is shortened are solved. The function of the rudderstock may fail at the key sailing moment, and the maneuverability and safety of the ship are affected.

The invention belongs to the technical field of rudders, and particularly relates to a ship side high-performance rudder which comprises a rudder body, a blowing and spraying cabin is arranged in the rudder body, a propeller control assembly is installed on the side of the blowing and spraying cabin, the other side of the propeller control assembly is meshed with a gear control assembly, and an inner and outer rod control assembly is arranged in the gear control assembly. One end of the inner and outer rod control assembly is connected with a gear transmission assembly, a differential mechanism is installed at one end of the gear transmission assembly, and a blowing flow guide assembly is arranged in the blowing cabin. The propeller control assembly comprises a thin shaft, a small straight gear, a small bevel gear and a propeller shaft, the outer wall of the thin shaft is fixedly connected with the small straight gear, and the small bevel gear is arranged on the side of the small straight gear; rudder angles around the ship body can be controlled, so that flow fields at different positions on the ship side are controlled, the ship type performance is improved, meanwhile, the flow fields on the ship side are further adjusted through the blowing and spraying device, and the steering effect is improved.

The utility model belongs to the technical field of fish breeding equipment, and particularly discloses a feeding boat for fish breeding, which comprises a boat body, a feed bin fixedly connected to the top of the boat body, a stirring motor fixedly connected to the side face of the feed bin, and a rotating shaft of the stirring motor penetrating through the side wall of the feed bin and fixedly connected with a stirrer. An inward groove is formed in the middle rear side of the bottom of the hull, a moving motor is fixedly connected to the interior of the front side of the bottom of the hull, a rotating shaft of the moving motor penetrates through the hull and is fixedly connected with a propeller, the bottom of the feed bin communicates with an auger conveyor through a connecting strip hole, and the tail end of the auger conveyor is connected with a distributing nozzle; the front end of the ship body is further fixedly connected with a positioning receiver and a wireless signal transceiver. The propeller is arranged on the front portion of the ship body, the material distributing nozzle is arranged on the tail portion of the ship body, when feed is thrown, the propeller passes through the throwing position, the risk that fish is scratched is obviously reduced, the feed bin is transversely arranged, and the gravity center of the ship is lowered.

A problem addressed by this invention is to enable quick reach to a target water area and to limit the amount of energy required for navigation in the target water area. A moving body 100 can fly in the air and can navigate on the water. The moving body 100 comprises a hull portion 1 and a rig portion 2 provided on an upper side of the hull portion 1. The rig portion 2 includes a sail 60 which catches the wind during the navigation and a mast 50 which supports the sail 60. The hull portion 1 includes a navigation rudder 32 which adjusts a travel direction of the moving body 100 during the navigation, and a keel 11 which is provided on an lower side of the hull portion 1.

A marine propulsion device includes a motor including an output shaft, a drive shaft extending in a vertical direction of the marine propulsion device, and a cooling device. The motor is disposed so that an extension direction of the output shaft is a direction perpendicular to the vertical direction. The cooling device includes an intake port taking water outside the marine propulsion device into the marine propulsion device, a motor water jacket provided in the motor and cooling the motor, a water pump disposed below the motor and sending water taken into the marine propulsion device from the intake port to the motor water jacket as cooling water, and a first cooling water passage connecting a discharge port of the water pump to an inlet port of the motor water jacket.

This utility model relates to the field of steering gear lubrication technology, specifically a high-efficiency and energy-saving steering gear transmission device for ships. It includes a steering gear body, a transmission gear set inside the steering gear body, multiple temperature detection units for detecting the internal temperature of the steering gear body, a liquid cooling unit body installed on the outside of the steering gear body, and heat dissipation pipes arranged inside the steering gear body. Coolant absorbs heat from the internal side of the steering gear body through these pipes. This utility model uses liquid cooling, preventing moisture and dust from entering the steering gear body, thus avoiding the shortened service life of the transmission gear set due to moisture and dust. The lubricating oil is heated and stirred before addition to ensure optimal lubrication. A lubrication pump delivers the lubricating oil between the gears, reducing the friction coefficient and heat generation, thus solving the high-temperature problem at its source and protecting the gears, extending their service life.

The application relates to the technical field of ship equipment, and discloses a rudder heel structure and a rudder system, the rudder heel structure comprising a middle longitudinal plate, a plurality of transverse partition units, a platform plate and a plurality of shell side plates; the transverse partition unit comprises a transverse partition plate and a first plug welding backing plate; the rudder system structure comprises a rudder blade assembly and the rudder heel structure, the rudder blade assembly comprising a connecting piece, the device divides the middle longitudinal plate into a first segment and a second segment, and connects the first segment and the second segment through the connecting piece on the rudder system, so that the strength of the middle longitudinal plate is guaranteed, and the installation of the transverse partition plate, the platform plate and the shell side plate can be simultaneously performed in two groups, the assembly period is shortened, sufficient construction space is provided for construction personnel, the assembly difficulty is reduced, in addition, the device uses the first plug welding backing plate to replace plug welding holes, the welding strength is enhanced, the welding quality of the shell side plate is guaranteed, the time consumed for polishing the plug welding holes is avoided, and the assembly efficiency is improved.

A drive device for moving a control part (12), arranged pivotably about a rotational axis (10), by means of a control device (14) consisting of at least - a lever mechanism (28) with at least one lever arm (32, 34) for the purpose of driving the rotatable control part (12), - an actuating device (40) for moving the lever mechanism (28), and - a brake device (50) which acts on the controllable control part (12) in such a way that a torque can be transmitted from the lever mechanism (28) to the control part (12).

The invention relates to the technical field of marine parts, and discloses a flexible and convenient upper rudder bearing and upper rudder bearing machining equipment, the flexible and convenient upper rudder bearing comprises a rudder bearing shell, a plurality of evenly distributed through holes are formed in the upper portion of the rudder bearing shell, and a plurality of thrust blocks are fixedly installed on the periphery of the rudder bearing shell; the rudder bearing frame is arranged above the rudder bearing shell; the radial bearing is arranged on the inner wall of the rudder bearing shell, and a rudderstock is sleeved with the radial bearing during installation; the axial bearing is arranged between the rudder bearing shell and the rudder bearing frame; the framework oil seal is arranged at the bottom of the joint of the radial bearing and the rudder bearing shell; and the protective sleeve is installed on the outer side of the rudder bearing shell, a plurality of blind holes are formed in the top of the protective sleeve, and the through holes are used in cooperation with the blind holes. By means of the prefabrication mode, the upper rudder bearing has a complete assembly state when being delivered to a shipyard, the shipyard only needs to connect and fix the rudder bearing shell and the rudder bearing frame through common bolts, and the installation period of a rudder system is greatly shortened.

The utility model discloses a hydraulic steering engine steering system, which belongs to the field of steering engine steering systems, and comprises a steering oar and a hydraulic steering gear which is connected with the steering oar through a connecting shaft and is used for driving the steering oar to rotate, a torque sensor connected with a rotating shaft of the hydraulic steering gear is arranged at the end, away from the steering oar, of the hydraulic steering gear, and a boosting mechanism used for assisting steering is arranged at the end of the steering oar. The boosting mechanism comprises a rotating sleeve fixedly connected to the steering oar rotating shaft, hydraulic telescopic rods symmetrically hinged to the two sides of the rotating sleeve, and fixed hinged supports hinged to the ends, away from the rotating sleeve, of the hydraulic telescopic rods and used for being installed on a ship body. According to the hydraulic steering engine steering system, by introducing the boosting mechanism, the load of the hydraulic steering gear is effectively shared, the requirement for the quality of the hydraulic steering gear is lowered, and the service life of the hydraulic steering gear is prolonged.

According to the flap type rudder transmission mechanism, a guide rod is matched with a pin shaft with a plane through a vertical groove in the end of the guide rod, and a connecting pin penetrates through the guide rod to form a transmission pair; the transmission pair is jointly wrapped by the guide sleeve and a bent pipe to form a closed cavity. Lubricating grease with the water pressure higher than the external water pressure is injected into the cavity and maintained, a piston type sealing structure is constructed, and seawater is effectively isolated. And multiple static seals such as a sealing ring, a pressure balance cavity and a deformation sealing surface pressed by a flange are matched, so that the problems of corrosion and biological attachment of the transmission mechanism in a marine environment are solved.

The motor is used as a power source to rotate the propeller, and the rotation direction of the motor's output shaft is switched, while preventing the lifespan of the water pump impeller from being shortened. [Solution] The cooling device provided in the marine propulsion unit 1 includes a cooling mechanism that cools equipment requiring cooling, such as the motor 3, and a water pump 51 that sends water from outside the marine propulsion unit 1 to the cooling mechanism. The impeller 52 of the water pump 51 is connected to the output shaft 4 of the motor 3 via a one-way clutch 84 and a transmission shaft 81, and the impeller 52 rotates only when the output shaft 4 of the motor 3 rotates in a direction that moves the marine vessel forward.

The invention provides a self-adaptive adjusting system and method for driving power of a full-rotation electric tugboat, and relates to the technical field of full-rotation electric tugboats. The data acquisition module acquires environment data, tugboat state data and towed object state data in real time; the resistance model construction module obtains the total resistance borne by the towed object; a dragging demand calculation module calculates a dragging demand; the dynamic model construction module constructs a dynamic model of the tugboat and performs dynamic correction in combination with the environmental data to obtain dragging data; the instruction generation module adopts a PID control algorithm to generate an adjustment instruction; and the adaptive adjustment module performs real-time adjustment. Through cooperative operation of all the modules, the tugboat operation efficiency can be improved, the completion time of a tugboat task is greatly shortened, the port operation turnover rate is increased, and the operation cost is reduced. Meanwhile, power waste is avoided through self-adaptive adjustment, the development trend of energy conservation and emission reduction is met, and green and sustainable development of the shipping industry is promoted.

An attitude detection device includes a rudder angle sensor, a speed sensor, an inertia sensor, and a control device. The rudder angle sensor detects a rudder angle of a ship. The speed sensor detects a speed of the ship. The inertia sensor detects information related to an inertial force applied to the ship. The control device finds a centrifugal force applied to the ship on the basis of a signal output from each of the rudder angle sensor and the speed sensor. The control device acquires an inclination of the ship on the basis of the signal output from the inertia sensor. The control device corrects the inclination of the ship on the basis of the output of the inertia sensor according to the centrifugal force applied to the ship.

The present application relates to a kind of polar multi-habitat robots across water and land ice and snow, by composite drive mechanism, segmented fuselage, composite support mechanism, electronic cabin, solar panel five big parts composition.The energy utilization efficiency of the robot, obstacle avoidance ability, steering and autonomy are greatly improved compared with general multi-habitat robot.Polar multi-habitat robot has the ability to pass through ice, snow, water and land these four media and medium transition area.Polar multi-habitat robot has four basic movement modes, so that the robot has the ability to operate in polar region.In polar region extreme climate conditions, replace human to carry out scientific research, rescue and other tasks.

A novel mechanical fish is characterized in that the novel mechanical fish comprises a head assembly, a middle assembly, a counterweight box assembly, a steering engine, an optical axis, an external counterweight cabin, a charging head, a first tail assembly, a second tail assembly and a third tail assembly; the third tail assembly is installed on the first tail assembly through the second tail assembly, a plurality of optical shafts are installed in the balance weight box, a balance weight box assembly is installed in the middle assembly, the steering engine is installed above the balance weight box assembly, the external balance weight cabin is installed at the bottom of the middle assembly, and the charging head is installed on the outer side of the middle assembly. The tails of the middle assembly, the first tail assembly and the second tail assembly are each provided with a double-shaft steering engine. According to the design, swimming movement of fishes such as sharks is simulated, and the fishtail is controlled to swing through the multiple steering engines, so that the fishtail has high flexibility and can steer flexibly. Therefore, on the basis that the bionic fish is small in size, a narrow and complex underwater environment can be explored.

A steering cylinder for an outboard engine of a marine vessel. The steering cylinder includes a first cylinder including a first fluid port and a second fluid port. The first cylinder defines a first space. The steering cylinder includes a second cylinder defining a first end and a second end. The second cylinder defines a second space housing a hollow piston. The second cylinder is configured to move with respect to the first cylinder. The steering cylinder includes a hollow piston rod positioned at least partially within the first space and defining a first end and a second end, the first end being fluidly coupled with the first fluid port and the second end being coupled to the hollow piston. The steering cylinder is configured to actuate between an extended position and a retracted position to steer the marine vessel.

The high-flexibility outboard engine comprises a motor part, a ship rod shaft connected with the motor part and blades connected to the lower end of the ship rod shaft, a suspension part used for fixing is arranged on the outer side of the ship rod shaft, and a flexible control unit used for flexibly controlling the outboard engine and capable of adjusting the flexibility is arranged between the ship rod shaft and the suspension part. The flexible control unit comprises a first fixing plate and a second fixing plate, the first fixing plate is fixed to the ship pole shaft, and the second fixing plate is fixed to the hanging piece. Compared with the prior art, the outboard engine has the advantages that through movable parts in the flexible control unit, the lightweight design of the outboard engine has the advantage of high flexibility, the outboard engine can flexibly deflect in multiple directions, adjustable resistance is applied to flowing of hydraulic oil through the damping unit, variable damping and supporting are provided for flexible movement of the outboard engine, and the outboard engine can flexibly move. A driver can adjust the outboard engine to a state most suitable for himself / herself according to his / her operation habit, weight distribution and the current load condition.

This invention discloses a connection structure between a marine electric propulsion motor and a rudder, relating to the field of marine technology. It includes a shell containing symmetrically distributed rotating shafts rotatably connected within it. Each shaft has a fixedly mounted inclined push wheel. Symmetrically distributed fixed guide rails are fixedly connected to the inner side of the bottom wall of the shell. A fixed shaft is located inside the shell, with a rotating frame fixedly connected to its top and a rudder fixedly connected to its bottom. An emergency component is mounted on the rotating frame. This invention optimizes the transmission structure and emergency mechanism. Under normal operation, all components rotate collaboratively, ensuring precise and efficient directional adjustment. In abnormal situations, the emergency solution quickly disconnects the lifting sleeve from the rotating frame, simplifying the transmission path, avoiding bearing fatigue damage that could lead to jamming, ensuring safe navigation, and significantly improving the reliability and safety of the rudder system.

The invention relates to a device for roll stabilization of a ship under motion, anchoring or zero speed and / or for influencing the ship's heading, comprising a wing support shaft on which a guide wing is arranged, wherein the wing support shaft is drivable by a motor drive unit and the drive unit is arranged on the ship's hull by a base. According to the invention, the motor drive unit is configured with a synchronous motor, which drives the wing support shaft using a reduction eccentric gear. The device thereby has significantly reduced installation space requirements, causes only slight operating noise and is also optimally electronically adjustable.

Drive Component A drive arrangement for operating a vehicle control surface includes a first drive device, a second drive device, an output member for connecting to the vehicle control surface, first engagement means for selectively engaging and disengaging the first drive device and the output member, and second engagement means for selectively engaging and disengaging the second drive device and the output member.

The invention belongs to the technical field of ships, and provides a ship with an energy-saving rudder device in front of a propeller and a control method thereof.The ship with the energy-saving rudder device in front of the propeller comprises a ship body, a propeller and a rudder, the rudder is arranged at the tail of the ship body, the propeller is arranged at the tail of the ship body and located on the upstream of the rudder, and the energy-saving rudder device in front of the propeller is further included; the energy-saving rudder device in front of the propeller is arranged at the tail of a ship body and located on the upstream of the propeller, the energy-saving rudder device in front of the propeller comprises a rudderstock, the two ends of the rudderstock are connected to an outer plate at the tail of the ship body and at least partially extend into the ship body, and the rudderstock can rotate around the axis of the rudderstock; the rudder blade is arranged on the rudder stock; the driving part is arranged in the ship body, is in transmission connection with the rudderstock and can drive the rudderstock to rotate so as to adjust the rudder angle of the rudder blade. The purposes of improving the maneuverability of the ship and improving the energy-saving and emission-reducing effects can be achieved at the same time.

To provide a maneuvering device and a ship capable of smoothly maneuvering according to the number of people.SOLUTION: A maneuvering device comprises: a steering console capable of changing a traveling direction of a hull; a main engine steering console capable of adjusting a main engine revolution to propel the hull; and a communication console capable of communicating with the outside of the hull. An operation surface of the steering console faces the stern side of the hull. The main engine steering console is arranged on the right side or the left side from the steering console when viewing the operation surface of the steering console from the stern side, and arranged rotatably to the hull by a first rotating mechanism centering a first axis line extending in a vertical direction. The communication console is arranged on the side where the first rotating mechanism is not arranged, among the right side and the left side, and arranged rotatably to the hull by a second rotating mechanism centering a second axis line extending in the vertical direction.SELECTED DRAWING: Figure 4