50results about "Steering rudders" patented technology

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 invention relates to an energy storage system (100) for at least one electrical consumer (106) in the electrical system (142) of a watercraft (108), wherein the energy storage system (100) comprises at least one inverter (140) connected to the electrical system (142) for supplying power to the consumer (106). An energy storage device (160) is associated with the at least one inverter (140). According to the invention, the energy storage device (160) comprises at least one energy converter (162) and at least one storage unit (170) associated therewith, wherein the energy converter (162) is configured to enable a bidirectional energy flow (180, 182), thereby allowing the feeding (182) of excess electrical energy back into the electrical system (142) of the watercraft.This makes it possible to easily operate consumers (106) that cause high electrical load peaks, such as a stabilization device (120), a rudder system (128) or the like, on an on-board electrical system (142) of a watercraft (108).

The utility model discloses a kind of high-speed ship propeller control systems, belong to ship technical field, including propeller installed on the stern shaft of ship, further include for controlling propeller left and right steering steering control oil circuit and for controlling propeller up and down lifting oar or falling oar longitudinal control oil circuit;Propeller is provided with angle sensor for detecting propeller left and right angle and up and down angle, angle sensor and display device are electrically connected with control unit;Steering control oil circuit includes first hydraulic pump, first electromagnetic reversing valve, left steering oil cylinder, right steering oil cylinder, hydraulic steering gear and rudder wheel, first hydraulic pump selectively communicates first electromagnetic reversing valve or hydraulic steering gear, realizes the double-path control of rudder wheel and electric drive, the automatic control of propeller left and right steering and lifting oar falling oar is realized by hydraulic mode in the design, propeller angle of rotation can be monitored simultaneously, it is convenient to adjust in time.

This invention discloses an adjustable-posture multi-legged robot and its motion method. The multi-legged robot includes a motion module, a connecting shaft, and a posture adjustment mechanism. The motion module includes a housing and two symmetrically arranged drive components. Each drive component includes a transmission shaft and a swing mechanism. The swing mechanism is located on the side of the housing, and the transmission shaft drives the swing mechanism to swing. The two ends of the connecting shaft are respectively connected to the transmission shafts of two adjacent motion modules. The posture adjustment mechanism includes a servo motor and a rope. A servo disk is mounted on the rotation shaft of the servo motor, and the rope is wound around the servo disk. The rope includes a first rope segment and a second rope segment. The first rope segment is connected to the top of each housing, and the second rope segment is connected to the bottom of each housing. Torque transmission and modular connection of the motion modules are achieved through the connecting shaft. Moreover, the connecting shaft adopts a helical topology, which can transmit torque while also being flexible, thus preventing interference when the posture adjustment mechanism drives the multi-legged robot to pitch and deform.

The application belongs to the technical field of semi-suspension rudder anti-cavitation processing, and particularly relates to a follow-up sealing mechanism for inhibiting gap cavitation of a semi-suspension rudder. The follow-up sealing mechanism comprises two sealing assemblies arranged on the left and right sides of a rudder blade socket. Each sealing assembly comprises a rigid central shaft connected to the upper and lower inner walls of the rudder blade socket, and a roller sleeved on the rigid central shaft. The diameter of the roller matches the distance between the inner wall of the rudder blade socket and the rudder suspension arm. The follow-up sealing mechanism is installed on the rudder blade and can automatically and continuously dynamically seal the key gap as the rudder angle changes. The mechanism converts the traditional open high-speed drainage channel, which changes with the rudder angle, into a nearly closed or small constant gap limited space in real time through a pure mechanical physical method, thereby greatly weakening or even eliminating the conditions for generating gap cavitation, and has reliable, low-cost and simple structure design characteristics, and good compatibility with existing rudder systems.

This invention provides an electric steering gear device for electric ships, comprising two steering assemblies and a linkage assembly. Each steering assembly includes a steering gear, a reducer, and a rudder blade. The input shaft of the reducer faces upwards, and its output shaft is connected to the rudder blade. The linkage assembly includes two rotating members and a connecting rod. The input shaft of each reducer is connected to one of the rotating members, and the connecting rod is rotatably connected to both rotating members. Each rotating member is connected to one of the steering gears. Through linkage, a single electric steering gear drives multiple rudder blades, improving the reliability of steering and the stability of operation of the electric ship.

An electric saildrive (2) for a sailing boat. The electric saildrive (2) comprises an elongate hollow shaft and an elongate transmission axle extending longitudinally within said elongate hollow shaft, and a hollow housing (8) surrounding the elongate hollow shaft. A pod housing (9) is rigidly connected to the end of said elongate hollow shaft and the transmission axle to extends into an inner compartment of the pod housing (9). The inner compartment accommodates an angle drive connecting the transmission axle to a propeller shaft (10) which extends from said inner compartment to the exterior of the pod housing (9) through a second aperture in a sealed manner. The hollow housing (8) has an elongate cross-section so as to pro-vide a fin-shape.

The application discloses a disc-shaped two-degree-of-freedom cavitator structure, which comprises a shell, a spherical hinge unit is fixedly connected to the outer side end of the shell, a cavitator is arranged on the outer wall of one end of the spherical hinge unit, a stamping pipeline is fixedly connected to the other end of the spherical hinge unit, a driving unit is fixedly connected to the inside of the shell, the other end of the driving unit penetrates through the shell and is connected with the cavitator in contact, and a return unit is further arranged, one end of the return unit is fixedly connected with the cavitator, and the other end of the return unit is fixedly connected with the spherical hinge unit. The application further discloses a direction control method. The disc-shaped two-degree-of-freedom cavitator structure and the method thereof solve the problems that the existing multi-degree-of-freedom cavitator structure is complex and the performance of parts is affected.

A system for controlling steering on a marine vessel includes a steering wheel movable within a fixed rotation range between a first fixed end stop and a second fixed end stop, a steering actuator configured to rotate the steerable component about the steering axis between a first steering limit and a second steering limit, and a controller configured to detect that the steering wheel position is in a first end region adjacent to the first fixed end stop or a second end region adjacent to the second fixed end stop while the steerable component is not at one of the steering limits. The steering actuator is controlled to rotate the steerable component at a fixed rotation rate while the steering wheel position is in the first end region or the second end region so as to move the steerable component toward alignment with the steering wheel position.

There is provided a twin rudder arrangement 100 for a craft (250, figure 3). The twin rudder arrangement 100 comprises a first rudder blade 110 and a second rudder blade 120, wherein the first rudder blade 110 and second rudder blade 120 are configured to be provided at either side of a propeller 200 of the craft (250). The first rudder blade 110 and second rudder blade 120 are rotatable around the propeller 200 about a single common axis. Also provided is an aircraft or watercraft comprising at least one twin rudder arrangement having the same arrangement 100. Figure 1

This invention provides a method, apparatus, and device for determining the capability level of a smart servo motor. The method includes: acquiring indicator test data of the smart servo motor; obtaining a smart capability score of the smart servo motor based on the indicator test data, wherein the smart capability score includes at least one of the following: data acquisition capability score, fault alarm capability score, human-machine interaction capability score, fault identification capability score, health status assessment capability score, fault early warning capability score, and auxiliary decision-making capability score; and determining the capability level of the smart servo motor based on at least one of the smart capability scores. The solution provided by this invention can improve the completeness and accuracy of the smart servo motor's intelligence level assessment, and reduce the assessment difficulty and cost.

There is provided a twin rudder arrangement (300) for a craft (250). The twin rudder arrangement (300) comprises a first rudder blade (310) and a second rudder blade (320), wherein the first rudder blade (310) and the second rudder blade (320) are configured to be provided at either side of a propeller (200) of the craft (250). At least part of the first rudder blade (310) or the second rudder blade (320) comprises a vortex generator arrangement (400), wherein the vortex generator arrangement (400) is arranged to induce vortices in fluid flow passing / interacting with the twin rudder arrangement (300). Also provided is an aircraft or watercraft comprising at least one twin rudder arrangement (300).

The application discloses a ship electric rudder engine and belongs to the technical field of ship rudder engines.The ship electric rudder engine comprises a base used for fixing an integral assembly of the electric rudder engine, a heat dissipation bottom plate located on the top of the base and fixed on the top of the heat dissipation base through bolts and used for heat dissipation of the electric rudder engine assembly, a driving mechanism located on the top of the heat dissipation bottom plate and connected with the heat dissipation bottom plate through bolts and serving as a power source of the ship electric rudder engine, and a rudder plate located below the base and in transmission connection with the driving mechanism.The ship electric rudder engine has the beneficial effects that: during the operation of the device, the driving motor serves as a core power source; when the driving motor is started and rotated, the rotation of the rotating shaft directly drives the rudder plate to be adjusted at a corresponding angle, so that the turning operation of the ship is realized; the linear motion of the motor is converted into the rotary motion of the rudder plate through a series of mechanical transmission in the process, the accuracy and response speed of the turning are ensured, and the risk of hydraulic oil leakage is greatly reduced.

This utility model relates to the technical field of ship control equipment and provides a hydraulic steering automatic rudder, including a first mounting plate. The first mounting plate has a first bearing seat fixedly connected to it, and a second bearing seat fixedly connected to its lower end. The second and first bearing seats are coaxially mounted on opposite sides of the first mounting plate. A first bearing is fitted to the inner wall of the first bearing seat, and a second bearing is fitted to the inner wall of the second bearing seat. An oil pump shaft is fixedly connected to the inner wall of the first bearing, with the shoulder of the oil pump shaft abutting against the inner ring of the second bearing. A large pulley is fixedly connected to the lower outer wall of the oil pump shaft, and a rudder pump is fixedly connected to the lower inner wall of the oil pump shaft. A thrust assembly is fitted onto the large pulley. This utility model has the advantages of enabling automated rudder control and adjusting the tension of the timing belt.

A propulsion unit for propelling a vessel is disclosed. The propulsion unit comprises a main body configured to be arranged at a keel of the vessel and comprising a pivot point, a fin movably arranged relative to the main body, and an actuator assembly for generating a heave motion of the fin relative to the main body. The actuator assembly comprises at least one actuator. The fin is connected to the pivot point such that the fin is arranged to pivot around the pivot point when the at least one actuator generates the heave motion of the fin, thereby generating a pitch motion of the fin.

A watercraft includes a steering unit, a rudder unit, a transmission unit configured to connect the steering unit and the rudder unit and mechanically transmit an input operation on the steering unit to the rudder unit, a drive unit configured to operate the rudder unit without any need of an input operation on the steering unit, and a watercraft control device for controlling the drive unit.

This invention provides a servo motor with two degrees of freedom, relating to the field of marine technology. It includes a mounting base, a transmission device, a two-position drive device, a connecting slot, rollers, and a connecting seat. This invention features a reasonable and simple structure, low production cost, convenient installation, and complete functionality. In the initial standby state, the positions of each component are relatively fixed, ensuring stable preparation for subsequent operation. It eliminates the need for complex initial debugging, reducing the difficulty of installation and initial maintenance, and is suitable for rapid deployment in various scenarios. This invention achieves steering adjustment of the servo motor through a specific drive and transmission structure, enabling precise control of the steering angle to meet the accuracy requirements for heading adjustment under different operating conditions. Furthermore, when the main drive component fails or lacks power, steering can be controlled by a backup drive component, effectively preventing servo motor failure and significantly improving the safety and reliability of the control process.

A control system and a control method of a propulsion device of a semi-submersible ship, state data of a ship propulsion device is used to control the ship to run to realize the corresponding working state, the control system comprises: an operation module for acquiring first state data of the propulsion device; a detection module for detecting running data of the ship; a processing module capable of obtaining second state data of the propulsion device based on the running data; a judgment module capable of obtaining the deviation value of the first state data and the second state data, and outputting a judgment result based on the relationship between the deviation value and the preset threshold value; a control module capable of outputting a corresponding control signal according to the judgment result, and controlling the ship to run based on the control signal. The application can adjust the working state of the ship according to the running data in real time, so that the propulsion device is not adjusted frequently, and the stable working state of the ship is maintained within a certain threshold range.

The present application belongs to the ship technical field, disclose a kind of hinge rudder system underwater inspection structure, including rudder, cover plate, seat plate and hinged unit, rudder is equipped with inspection hole, the outside of cover plate is flush with the outside of rudder, the edge of cover plate is circumferentially spaced and is equipped with multiple notches, seat plate is equipped with multiple and is connected to cover plate, seat plate is embedded in notch one by one, the cross-sectional shape of seat plate is same with the shape of notch, the outside of seat plate does not exceed the outside of cover plate, seat plate can be detachably connected rudder by fixing piece, the both ends of fixing piece along its length direction do not exceed the outside of cover plate, avoid adversely affecting to rudder system operating performance, prevent cavitation corrosion of rudder system;Hinged unit includes hinged seat and hinged arm, hinged seat is set to the inside of rudder, one end of hinged arm is hinged to hinged seat, the other end is connected to the inside of cover plate, cover plate is rotatably connected to rudder by hinged unit, when opening inspection hole, cover plate does not need to be completely removed, and staff can be completed separately.

Removable device for repelling marine mammals, such as orcas, intended for use on a ship's rudder. The invention relates to a removable device (1) for repelling marine mammals, such as orcas, intended for use on a ship's rudder, comprising: - at least one flexible support (2), preferably elastic, the length of which is adapted to surround an outer surface of a portion of a ship's rudder, the flexible support incorporating a plurality of prongs (3) distributed along its length, - at least one removable fastening element (4) for the flexible support in a configuration where it surrounds the outer surface of a portion of a ship's rudder. Figure for the abstract: Fig. 1

To provide a steering wheel device capable of preventing a steering cable from affecting opening / closing of a hatch.SOLUTION: A steering wheel device 13 comprises: a housing 20; a tube member 21 that moves back and forth about a tilt shaft 55; a steering shaft 22 inserted into the tube member 21; a steering arm 24, etc. When the steering shaft 22 is rotated left or right, the steering arm 24 is rotated to an angle corresponding to the rotation. A connection member 24a is provided in the steering arm 24. The connection member 24a is connected to a first link 26b of a direction changing link member 26 through a relay member 27. The direction changing link member 26 rotates about a shaft 28. A steering cable 25 is connected to a second link 26d of the direction changing link member 26.SELECTED DRAWING: Figure 4

A watercraft having a body with an opening for a user, a seat, at least one drive mechanism placed at least partially within the opening; an intake configured to allow a flow of water from a body of water surrounding the watercraft; a pump configured receive the flow of water and accelerate the flow of water, and a user controlled discharge configured to receive the flow of accelerated water from the pump and discharge the accelerated water to the water surrounding the watercraft such that the watercraft moves in a direction chosen by the user.

The utility model discloses a ship steering wheel, including the steering wheel body, the edge of steering wheel body is equipped with the rim, the front surface of rim is divided into three interactive areas, three the interactive area is very high frequency control area, electric siren control area, pilot lamp area, the wire harness of button and pilot lamp of three the interactive area is connected to the interactive interface in the bridge through the spoke, hub is connected. The utility model discloses in combination with the key operation demand on the ship, can integrate very high frequency and electric siren control, is convenient for the driver to realize more operation function in the ship steering wheel, promotes the functionality of the steering wheel in the cockpit, and the ship has more science and technology.

The application belongs to the technical field of ships and discloses a rudder system structure. The rudder system structure comprises a rudder stock, a rudder stock sleeve assembly, a first sealing element, a fixing seat and a sealing protection body. The rudder stock sleeve assembly comprises a connecting cylinder, an upper rudder bearing and a lower rudder bearing. The connecting cylinder is sleeved on the rudder stock. The upper rudder bearing and the lower rudder bearing are arranged at two ends of the connecting cylinder and are rotationally connected with the rudder stock. The first sealing element is arranged between the rudder stock and the lower rudder bearing. The fixing seat is coaxially sleeved on the outer periphery of the rudder stock sleeve assembly, and an annular cavity is formed between the fixing seat and the rudder stock sleeve assembly. The material of the fixing seat is different from that of the rudder stock sleeve assembly. The sealing protection body is arranged in the annular cavity and is used for sealing and isolating the fixing seat and the rudder stock sleeve assembly. In this way, the fixing seat and the rudder stock sleeve assembly can be isolated, electrochemical corrosion between the fixing seat and the rudder stock sleeve assembly can be avoided, the corrosion prevention effect of the rudder system is improved, seawater can be effectively prevented from penetrating into the rudder stock, and the service life of the rudder system structure is prolonged.

The application provides a rudder ball thrust fin capable of rotation and release, and belongs to the field of ship hydrodynamic energy-saving devices. The rudder ball thrust fin can solve the problem that the resistance generated by the existing rudder ball thrust fin during the high-speed sailing of a ship can exceed the propulsion benefit, which will lead to the increase of the overall resistance, and thus the energy-saving effect of the rudder ball thrust fin is lost. The rudder ball thrust fin comprises a rudder body, an integrated rudder ball, a thrust fin, an integrated rudder blade, a rudder ball rotating mechanism and a rudder blade rotating mechanism. The integrated rudder ball is provided with the thrust fin on both sides. The integrated rudder ball is rotationally arranged on the rudder body. The rudder body is provided with a thrust fin groove at the upper end and the lower end of the integrated rudder ball. The two thrust fins are respectively embedded in the two thrust fin grooves. The integrated rudder blade is rotationally arranged on the outer side of the thrust fin groove. The rudder ball thrust fin is mainly used for ship hydrodynamic energy-saving devices.