CN109625222A - A kind of scientific investigation ship with podded propulsion system - Google Patents

A kind of scientific investigation ship with podded propulsion system Download PDF

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Publication number
CN109625222A
CN109625222A CN201811655164.2A CN201811655164A CN109625222A CN 109625222 A CN109625222 A CN 109625222A CN 201811655164 A CN201811655164 A CN 201811655164A CN 109625222 A CN109625222 A CN 109625222A
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China
Prior art keywords
propeller
hub
propulsion system
podded
hull
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CN201811655164.2A
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Chinese (zh)
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CN109625222B (en
Inventor
张志平
俞启军
王立松
李欣
孙杨
张浩然
吕文君
殷庆涛
孙宝川
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First Institute of Oceanography SOA
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First Institute of Oceanography SOA
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Priority to CN201811655164.2A priority Critical patent/CN109625222B/en
Publication of CN109625222A publication Critical patent/CN109625222A/en
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Publication of CN109625222B publication Critical patent/CN109625222B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H5/00Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H1/00Propulsive elements directly acting on water
    • B63H1/02Propulsive elements directly acting on water of rotary type
    • B63H1/12Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
    • B63H1/14Propellers
    • B63H1/20Hubs; Blade connections
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H5/00Arrangements on vessels of propulsion elements directly acting on water
    • B63H5/07Arrangements on vessels of propulsion elements directly acting on water of propellers
    • B63H5/125Arrangements on vessels of propulsion elements directly acting on water of propellers movably mounted with respect to hull, e.g. adjustable in direction, e.g. podded azimuthing thrusters
    • B63H2005/1254Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis
    • B63H2005/1258Podded azimuthing thrusters, i.e. podded thruster units arranged inboard for rotation about vertical axis with electric power transmission to propellers, i.e. with integrated electric propeller motors

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Abstract

The invention discloses a kind of scientific investigation ship with podded propulsion system, the podded propeller that the inside that one connect with power output control system has synchronous motor is provided at below the stern of the hull, the propeller coaxially connected with the shaft of synchronous motor is provided in gondola hull outside, it is provided on the propeller hub for driving blade along the outwardly directed telescoping mechanism in hub diameter direction, and the power mechanism for driving the telescoping mechanism to act.It further include needing to drive telescoping mechanism to control blade stroke according to hull speed over ground for real-time monitoring revolution speed of propeller.The present invention can change the diameter of propeller to change the propulsive force of propeller, not only reduce power cost, and extend the service life of electric propulsion system entirety, avoid the generation of cavitation phenomena.The effective diameter and propeller disc area for making propeller change, to change the size of airscrew thrust, realize airscrew thrust consecutive variations, save more multiple-energy-source.

Description

A kind of scientific investigation ship with podded propulsion system
Technical field
The present invention relates to ship equipment technical field more particularly to a kind of scientific investigations with podded propulsion system Ship.
Background technique
Podded propulsion system, full name are " full circle swinging of magneto pod propulsion are without rudder paddle electric propulsion system ".It Propulsion electric machine not in hull but under water, be made of one with propeller, also without rudder for ship.Entire podded propeller can It is rotated by 360 ° with horizontal direction, just as modern military aircraft engine using vector spout, rotation gondola can be passed through Direction is navigated by water to adjust in direction, can not only advance freely, retreat, additionally it is possible to it is various to complete " traversing " and " cast " etc. " exceedingly difficult movements " greatly improve the maneuverability and mobility of ship.This propulsion mode is due to no any mechanical biography Dynamic energy loss, so energy conversion efficiency is very high.In addition, there are also several big benefits for this propulsion system, for example save cabin Strong, vibration noise that ship can be substantially reduced of space, maneuverability and controllability etc..Eliminate tailing axle, stern thruster, Steering gear system etc. is not required to special cooling system, to save volume of compartment, simplifies installation.Space configuration is flexible, can be in machine Three-dimensional arrangement, not only convenient, flexible in the entire space in cabin, but also takes full advantage of cabin volume of compartment, be vessel designs, especially stern and The design of central station of floating dock part provides great flexibility.From the aspect of fire-fighting and safety, generator can also be divided into Several groups (in the case that such as full ship shares 6 generators, being segmented into 31 group) are arranged in different cabins.As needed certainly Surely the generator number of units being connected to the grid, makes every unit that can work under more satisfactory load, so not only to diesel engine Good combustion and beneficial using heavy oil, and maintenance can be reduced and reduce spare part expense.Pod propulsion electric power Propulsion system can be using the mode of " the double paddles of two-shipper ", and on the quarter lower section, is filled with two sets of podded propellers side by side.It is most Big benefit is that ship manipulation is got up very flexibly, while safety is also more preferable, if one of propeller is broken, can also use Another works.
202320761 U of CN discloses a kind of Podded ship electric propulsion system device comprising drives platform, by machine Platform and hull control device, the platform that drives are connected by platform by DP bus and machine, platform and hull control device by the machine It is connected, platform is mounted on gondola side by the machine.103387043 A of CN discloses a kind of watercraft electric propulsion system, i.e., originally System driver behavior control module provides speed-regulating control module by fieldbus by speed preset device, bridge controller Speed-regulating control device controls signal, and controls information and show in display unit;Cabin operation control module is controlled on the spot by cabin Device controls signal by the speed-regulating control device that fieldbus provides speed-regulating control module, and it is aobvious in indicating unit to control information Show;Speed-regulating control module controls magnetic coupling by speed regulating actuator by speed-regulating control device;Powered Propulsion module is by turning to Controller, motor, propulsion device and velocity sensor are constituted, and motor connects propulsion device, speed by magnetic coupling Sensor detection revolving speed simultaneously feeds back to speed-regulating control device.107918378 A of CN is related to a kind of marine electric power propulsion monitoring device And method, device include monitoring device and control device, acquire state and the control of power supply system and electric propulsion system equipment The operation of electric propulsion system equipment, monitoring device are made of the application program of industrial computer and high level language, control Device is made of safety control and main control unit two parts;When system is run, safety control acquires power supply system Determine that the defencive function of system, main control unit acquire equipment operation letter with the important protection signal of electric propulsion system equipment Number and the normal operation according to control logic control system, the signal of monitoring device acquisition control device it is aobvious by friendly interface Data, alarm, report and the trend for showing system help crewman to analyze abnormal by interface playback function.
Above-mentioned Podded ship electric propulsion system is flexibly connected motor and propulsion device, realization is facilitated to load The adjustment of revolving speed, torque avoids vibration transmitting, noise superposition, improves the service life of component, reduce system maintenance cost, protect Card system even running.Compared with the propeller of common rudder paddle structure, just because of many excellent of podded propulsion system More property, podded electric propulsion mode are with a wide range of applications, therefore in terms of marine electric power propulsion field, have been in Leading position becomes the main R&D direction in one, marine electric power propulsion field, no matter technically or in terms of market, All become one of the developing direction of Ship Propeling.
But no matter podded propeller or common rudder paddle propeller, have one at present and insurmountable ask Topic is exactly the cavitation of blade and podded propeller under different situations, and when propeller operates, the pressure oscillation of generation will be led Cause more air pocket cavitation pittings.Inside 20 DEG C of seawater, if part occurs being lower than the low pressure of 2338.8pa, seawater will It boils and generates bubble, be exactly vacuole.Liquid at high speed flowing of propeller when rotation around drive, because of positive liquid Body is thrown out by propeller, and since a large amount of liquid is thrown out from front, the liquid of surrounding, which has little time to be supplemented in, to be come, so Certain vacuum is just formed at the back side of propeller, the air at this moment contained in liquid, which just overflows, to be come, and overleaf forms bubble, again Due to the extruding of followed by liquid, bubble is crashed to pieces, so being formed cavitation damage, cavitation damage is not only easy to produce strongly Cavitation erosion, to blade cause it is serious degrade, when serious, propeller can be enabled to be broken, but also will affect propeller Propulsive efficiency, seriously affect the use quality of propeller.For the generation for reducing cavitation phenomena as far as possible, propeller mainly adds at present Anti-cavitation tunnel is filled, such as CN1440346A discloses a kind of anti-cavitation tunnel for marine propeller.The technical value must agree It is fixed, lift can be generated when water flow flows through socket, improve the thrust transmission efficiency of engine.But the generation of vacuole Principle is the flow at high speed of liquid moment, and liquid at high speed flowing is the high-speed rotation bring by propeller, therefore, to solve Vacuole problem, it is necessary to reduce the critical speed that vacuole occurs for propeller, but the problem of this is contradiction, revolution speed of propeller is low The speed of a ship or plane needed for ship is just not achieved, revolving speed is high just not to can avoid generation cavitation phenomena.Since propeller is uneven after ship It working in flow field, the non-uniform flow field of seawater results in thrust caused by propeller and torque meeting generating period pulsation, That is it is not a constant power that this pulsating force, which acts on blade, therefore using can disclosed in 105620728 A of CN Be capable of the propeller of variable pitch diameter disclosed in the propeller of variable pitch diameter pitch and 104943853 A of CN, according to blade itself from Mental and physical efforts size controls the two technical solutions of the paddle diameter size of propeller, can not be real by the mode that centrifugal force is produced from driving Now propeller variable diameter truly, can not obtain stable propulsive force, can not also solve to compensate by changing paddle diameter The excessively high bring vacuole problem of revolving speed.Therefore, this problem is always to restrict shipbuilding industry development on military and ship for civil use A great problem.
Summary of the invention
In view of the deficienciess of the prior art, that the technical problem to be solved by the invention is to provide a kind of structures is simple, from It is dynamic to control, while guaranteeing propeller propulsive efficiency, the critical speed that vacuole occurs for propeller can be effectively improved, is dropped significantly Low latitude bubble generates impact injury to blade, adjusts the size of airscrew thrust in real time, realizes airscrew thrust consecutive variations, effectively The energy saving scientific investigation ship with podded propulsion system.
In order to solve the above technical problems, the technical solution used in the present invention is: a kind of have podded electric propulsion system The scientific investigation ship of system, including hull and podded propulsion system, the podded propulsion system include the hair in hull At least one set of generator unit as composed by prime mover and the generating set being connect with prime mover being arranged in motor room, the hair The electric energy output end of electric unit is connected with frequency converter, power output control system in turn by cable, under the stern of the hull Square place is provided with the podded propeller that the inside that one connect with power output control system has synchronous motor, the gondola Formula propeller includes gondola shell, and synchronous motor is set in bird shell body, gondola hull outside be provided with it is synchronous electronic The shaft of machine coaxially connected propeller is provided with for driving gondola shell to do 360 ° along the vertical direction at the top of gondola shell The column of coming about of rotation, the propeller includes the propeller shaft coaxially connected with the shaft of synchronous motor, in propeller shaft End be provided with propeller hub, the circumferential direction of propeller hub is provided at least two panels blade, is provided on the propeller hub for driving blade Along the outwardly directed telescoping mechanism in hub diameter direction, and the power mechanism for driving the telescoping mechanism to act.It further include being used for The detecting element and controller of real-time monitoring revolution speed of propeller, the detecting element send letter after detecting revolution speed of propeller Number to controller, controller receives the comparative analysis for passing through vacuole critical speed contrast module and speed of a ship or plane detection module after signal, Actual signal transmission is used for by the actual signal of airscrew diameter size under the premise of propulsive force needed for obtaining, the controller The signal for driving blade to stretch out to driving mechanism, driving mechanism needs to drive telescoping mechanism to control paddle according to hull speed over ground Leaf stroke.
The above-mentioned scientific investigation ship with podded propulsion system, the telescoping mechanism includes can edge set on propeller hub surface Multiple extensible members that hub diameter direction slides in and out, each blade are respectively arranged on each extensible member, are opened up on propeller hub surface The sliding slot that has guiding blade to stretch out and retract along hub diameter direction is provided with along the extensible member and is in sliding fit with the sliding chute Sliding block.
The above-mentioned scientific investigation ship with podded propulsion system, the power mechanism are in propeller hub and each including being set to Telescopic oil cylinder of the extensible member connection for driving blade to stretch out and retract, the piston rod of telescopic oil cylinder are connected with extensible member It connects, the axis direction along propeller shaft is provided with for the oil storing tube to telescopic oil cylinder fuel feeding on propeller hub, is connected on oil storing tube One is connected to for respectively to the hydraulic pump of each telescopic oil cylinder fuel feeding, the hydraulic pump passes through oil feed line and shoe cream room respectively and stretches The connection of contracting oil cylinder, the controller is sent obtain needed under the premise of propulsive force airscrew diameter size actual signal to hydraulic Pump.
The above-mentioned scientific investigation ship with podded propulsion system, the extensible member include respectively with following table on propeller hub The two flexible plate bodys that face is slidably matched are connected with arc connection identical as propeller hub external end edge radius of curvature between two flexible plate bodys The inner wall of plate, the piston rod and arc pressuring plate connects.
The above-mentioned scientific investigation ship with podded propulsion system, the oil storing tube include the tool with propeller hub coaxial arrangement There is the circular shell of a shoe cream room, propeller shaft passes through the circular shell and fixes through shoe cream room and propeller hub, the circular shell Outer end is fixed on propeller shaft, and inner end is protruded into propeller hub and fixed with the propeller hub.
The above-mentioned scientific investigation ship with podded propulsion system, the sliding slot open up more side by side along hub diameter direction Item.
The above-mentioned scientific investigation ship with podded propulsion system, the synchronous motor are that Permanent magnet synchronous is electronic Machine.
The present invention has the advantages that the scientific investigation ship of podded propulsion system is: propeller and synchronous motor are coaxial, Between the two without any other link, structure is simple, compact.Using telescoping mechanism, can only be exported by increasing with traditional Power improves revolution speed of propeller and compares to improve the regulative mode of propulsive force, and the present invention can be certain in control propulsion electric machine revolving speed In the case where, the multiple extensible members that can be slid in and out along hub diameter direction by being set to propeller hub surface can change spiral The diameter of paddle changes the propulsive force of propeller, not only reduce power cost, and it is whole to extend electric propulsion system Service life avoids the generation of cavitation phenomena, protects the blade of propeller, revolving speed that can be relatively low in propeller Under, required propulsive force is obtained, reduces revolution speed of propeller to a certain extent, improves the critical speed that vacuole occurs for propeller Degree, improves the hydrodynamic force and noiseproof feature of propeller, reduces vibration and the vacuolus denudation of propeller, reduces attached body resistance Power has mentioned high propeller efficiency, while keeping ship's navigation quieter.The present invention passes through the revolving speed and ship of real-time monitoring propeller The speed of a ship or plane of body, when propeller rotational, the actual speed of propeller is passed through filter passes to comparator, control by velocity sensor Given speed value is transmitted to comparator by device processed, and comparator is by propeller actual speed, system given speed and speed threshold Value compares, and communicates information to controller, and controller sends signal to change motor speed, adjusts propeller speed.This Invention is not only able to improve the control precision of propulsion system, moreover it is possible to more energy is saved, compared to other speed-regulating systems, this hair Bright energy consumption is lower, and precision is higher.The effective diameter and propeller disc area for making propeller change, to change airscrew thrust Size realizes airscrew thrust consecutive variations, saves more multiple-energy-source.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
Fig. 2 is the structural schematic diagram of podded propulsion system;
Fig. 3 is the structural schematic diagram of podded propeller;
Fig. 4 is the schematic enlarged-scale view of propeller;
Fig. 5 is the connection structure enlarged drawing of propeller and synchronous motor;
Fig. 6 is the schematic enlarged-scale view of part A in Fig. 5.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further details the present invention;
As shown in Fig. 1,2,3,4,5,6, a kind of scientific investigation ship with podded propulsion system, including hull 28 and hang Cabin formula electric propulsion system, the podded propulsion system include at least one be arranged in the generator bay 29 of hull 28 Group generator unit 3 as composed by prime mover 1 and the generating set connecting with prime mover 12, the application prime mover 1 are diesel oil Machine, the presence of diesel engine is not as main propelling machinery on ship, but drives electric power generation as prime mover of power generation.They Usually several bench-types number are identical, the identical four strokes medium seed diesel engine of output power.It can root using the naval vessel of full electric propulsion system The operation number of generating set 2 is arbitrarily adjusted according to the variation of electric load in the speed of a ship or plane variation, displacement variation, naval vessel on naval vessel Amount, keeps efficient operation, reduces the consumption of fuel, so having preferable economy.
The electric energy output end of generator unit 3 is connected with frequency converter 5, power output control system 6, ship in turn by cable 4 The pod propulsion that the inside that one connect with power output control system has synchronous motor 7 is provided at 30 lower section of stern of body 28 Propeller 8, synchronous motor 7 is permanent-magnet synchronous electric motor in the application.Synchronous motor is compared with asynchronous motor to torque Disturbance has stronger ability to bear, can occur responding faster.In synchronous motor, as long as the generator rotor angle of motor does appropriate change Change, and revolving speed maintains that original synchronous rotational speed is constant always, the inertia of rotating part will not influence synchronous motor to torque Quick response is made in variation.From the point of view of rotational speed regulation range, synchronous electric motor rotor has excitation, even if at very low frequencies It can run, speed adjustable range is wider.Electrical Propulsion Ship eliminates steering gear system, and often using two sets or more propulsion systems System, they under the premise of guaranteeing Ship Propeling general power, can also mutual backup, thus essentially eliminate ship at two ports Between mouthful a possibility that failure paralysis ship.
Podded propeller 8 includes gondola shell 9, and synchronous motor 7 is set in gondola shell 9, outside gondola shell 9 It is provided with the propeller 11 coaxially connected with the shaft 10 of synchronous motor 7, the top of gondola shell 9 is provided with hangs for driving Cabin shell 9 does the column 12 of coming about of 360 ° of rotations along the vertical direction, and propeller 11 includes coaxial with the shaft 10 of synchronous motor 7 The propeller shaft 13 of connection is provided with propeller hub 14 in the end of propeller shaft 13, the circumferential direction of propeller hub 14 is provided at least two panels Blade 15 is provided with the outwardly directed telescoping mechanism of diametrical direction for driving blade 15 along propeller hub 14 on the propeller hub 14 16, and the power mechanism 17 for driving the telescoping mechanism 16 to act.
Telescoping mechanism 16 includes can be along multiple pars contractilis that the diametrical direction of propeller hub 14 slides in and out set on 14 surface of propeller hub Part, each blade 15 are respectively arranged on each extensible member, offer guiding blade 15 along the diameter side of propeller hub 14 on 14 surface of propeller hub To the sliding slot 18 for stretching out and retracting, there is preferable stability when blade stretching and retraction to realize, sliding slot 18 is along propeller hub 14 Diametrical direction opens up a plurality of side by side.The sliding block 19 being slidably matched with sliding slot 18 is provided on extensible member.Extensible member includes Two flexible plate bodys 20 being slidably matched respectively with 14 upper and lower surface of propeller hub, be connected between two flexible plate bodys 20 with outside propeller hub 14 The identical arc pressuring plate 21 of ora terminalis radius of curvature.Power mechanism 17 includes being set in propeller hub 14 to connect use with each extensible member In the telescopic oil cylinder 22 that driving blade 15 is stretched out and retracted, the piston rod 23 of telescopic oil cylinder 22 and the inner wall of arc pressuring plate 21 connect It connects, the axis direction along propeller shaft 13 is provided with for the oil storing tube 24 to 22 fuel feeding of telescopic oil cylinder, oil storage on propeller hub 14 Pipe 24 includes the circular shell 26 with a shoe cream room 25 being coaxially disposed with propeller hub 14, and propeller shaft 13 passes through the toroidal shell Body 26 is fixed through shoe cream room 25 and propeller hub 14, and 26 outer end of circular shell is fixed on propeller shaft 13, and propeller hub is protruded into inner end It is fixed with the propeller hub 14 in 14.One is connected on oil storing tube 24 for respectively to the hydraulic pump of each 22 fuel feeding of telescopic oil cylinder 27, the hydraulic pump 27 is connect by oil feed line 28 with shoe cream room 25 and telescopic oil cylinder 22 respectively.
The invention also includes the detecting element and controller for 11 revolving speed of real-time monitoring propeller, the detection member Part sends a signal to controller after detecting the actual speed of propeller 11, and controller passes through vacuole critical speed after receiving signal The comparative analysis of contrast module and speed of a ship or plane detection module, needed for obtaining under the premise of propulsive force 11 diameter dimension of propeller reality Signal, the signal that the controller is used for actual signal transmission that blade 15 to be driven to stretch out to driving mechanism 17, driving mechanism 17 according to 28 speed over ground of hull need to drive telescoping mechanism 16 control blade 15 stroke.Controller is sent needed for acquisition The actual signal of 11 diameter dimension of propeller is to hydraulic pump 27 under the premise of propulsive force.
Gondola and rudder are combined into one by the present invention, remain the modules such as propeller, gondola, eliminate complicated revolution dress It sets, while guaranteeing Ship Propeling performance, can realize Ship Maneuverability by rudder.It is pushed away to both remain full circle swinging gondola Into most advantages such as device flexible arrangement, with small vibration, low noise, and overcome full circle swinging PODDED PROPULSOR construction complexity, valence The deficiency of lattice valuableness.
Certainly, the above description is not a limitation of the present invention, and the present invention is also not limited to the example above, the art Those of ordinary skill, within the essential scope of the present invention, the variations, modifications, additions or substitutions made all should belong to the present invention Protection scope.

Claims (7)

1. a kind of scientific investigation ship with podded propulsion system, including hull and podded propulsion system, described to hang Cabin formula electric propulsion system includes that at least one set being arranged in the generator bay of hull is connect by prime mover and with prime mover The electric energy output end of generator unit composed by generating set, the generator unit is connected with frequency converter, function in turn by cable Rate output control system, it is characterised in that: be provided with one at below the stern of the hull and connect with power output control system Inside have synchronous motor podded propeller, the podded propeller includes gondola shell, and synchronous motor is set In in bird shell body, being provided with the propeller coaxially connected with the shaft of synchronous motor, gondola shell in gondola hull outside Top be provided with for drive gondola shell do along the vertical direction 360 ° rotation columns of coming about, the propeller include with together The coaxially connected propeller shaft of the shaft of motor is walked, the end of propeller shaft is provided with propeller hub, the circumferential direction along propeller hub is arranged There is at least two panels blade, be provided on the propeller hub for driving blade along the outwardly directed telescoping mechanism in hub diameter direction, And the power mechanism for driving the telescoping mechanism to act.It further include the detecting element for real-time monitoring revolution speed of propeller, and Controller, the detecting element send a signal to controller after detecting revolution speed of propeller, and controller passes through sky after receiving signal The comparative analysis of critical speed contrast module and speed of a ship or plane detection module is steeped, airscrew diameter ruler under the premise of propulsive force needed for obtaining The actual signal is sent the signal for being used to drive blade to stretch out to driving mechanism, driven by very little actual signal, the controller Mechanism needs to drive telescoping mechanism to control blade stroke according to hull speed over ground.
2. the scientific investigation ship according to claim 1 with podded propulsion system, it is characterized in that: the telescoping mechanism The multiple extensible members that can be slid in and out along hub diameter direction including being set to propeller hub surface, each blade are respectively arranged on each pars contractilis On part, the sliding slot that guiding blade is stretched out and retracted along hub diameter direction is offered on propeller hub surface, is set on the extensible member It is equipped with the sliding block being in sliding fit with the sliding chute.
3. the scientific investigation ship according to claim 2 with podded propulsion system, it is characterized in that: the power mechanism Including being set in propeller hub the telescopic oil cylinder being connect with each extensible member for driving blade to stretch out and retract, the work of telescopic oil cylinder Stopper rod is connected with extensible member, and the axis direction along propeller shaft is provided with for the storage to telescopic oil cylinder fuel feeding on propeller hub Oil pipe is connected with one for respectively to the hydraulic pump of each telescopic oil cylinder fuel feeding, the hydraulic pump to pass through confession respectively on oil storing tube Oil pipe line is connect with shoe cream room and telescopic oil cylinder, airscrew diameter ruler under the premise of propulsive force needed for the controller sends acquisition Very little actual signal is to hydraulic pump.
4. the scientific investigation ship according to claim 3 with podded propulsion system, it is characterized in that: the extensible member Including two flexible plate bodys being slidably matched respectively with propeller hub upper and lower surface, it is connected between two flexible plate bodys and propeller hub external end edge The inner wall of the identical arc pressuring plate of radius of curvature, the piston rod and arc pressuring plate connects.
5. the scientific investigation ship according to claim 3 with podded propulsion system, it is characterized in that: the oil storing tube packet The circular shell with a shoe cream room with propeller hub coaxial arrangement is included, propeller shaft passes through the circular shell through shoe cream room and paddle Hub is fixed, and the circular shell outer end is fixed on propeller shaft, and inner end is protruded into propeller hub and fixed with the propeller hub.
6. the scientific investigation ship according to claim 2 with podded propulsion system, it is characterized in that: the sliding slot is along paddle Hub diametrical direction opens up a plurality of side by side.
7. the scientific investigation ship according to claim 4 with podded propulsion system, it is characterized in that: it is described synchronize it is electronic Machine is permanent-magnet synchronous electric motor.
CN201811655164.2A 2018-12-27 2018-12-27 Scientific investigation ship with pod type electric propulsion system Active CN109625222B (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110395360A (en) * 2019-09-05 2019-11-01 广州远和船海研究院有限公司 A kind of fishing boat power and propulsion device
CN111268049A (en) * 2020-04-14 2020-06-12 义乌哒林船舶有限公司 Auxiliary ship shore-approaching device
CN111605692A (en) * 2020-06-11 2020-09-01 大连海事大学 Pod propeller
CN110952517B (en) * 2019-12-17 2021-03-23 江苏昱博自动化设备有限公司 Automatic change pasture and water clearance machine people
CN112693585A (en) * 2021-01-15 2021-04-23 中国船舶科学研究中心 Device for improving root cavitation of propeller for high-speed ship and using method thereof
CN116495152A (en) * 2023-04-28 2023-07-28 中国船舶科学研究中心 Propeller for semi-submersible vessel and semi-submersible vessel

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