CN107859587A - Trunnion axis semi-integrated type energy by ocean current generating set - Google Patents

Trunnion axis semi-integrated type energy by ocean current generating set Download PDF

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Publication number
CN107859587A
CN107859587A CN201711021006.7A CN201711021006A CN107859587A CN 107859587 A CN107859587 A CN 107859587A CN 201711021006 A CN201711021006 A CN 201711021006A CN 107859587 A CN107859587 A CN 107859587A
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CN
China
Prior art keywords
main shaft
shaft
annular seal
seal space
propeller hub
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Granted
Application number
CN201711021006.7A
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Chinese (zh)
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CN107859587B (en
Inventor
顾海港
李伟
刘宏伟
林勇刚
李阳健
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Zhejiang University ZJU
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Zhejiang University ZJU
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Priority to CN201711021006.7A priority Critical patent/CN107859587B/en
Publication of CN107859587A publication Critical patent/CN107859587A/en
Application granted granted Critical
Publication of CN107859587B publication Critical patent/CN107859587B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/006Sealing arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/02Casings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B15/00Controlling
    • F03B15/02Controlling by varying liquid flow
    • F03B15/04Controlling by varying liquid flow of turbines
    • F03B15/06Regulating, i.e. acting automatically
    • F03B15/08Regulating, i.e. acting automatically by speed, e.g. by measuring electric frequency or liquid flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03BMACHINES OR ENGINES FOR LIQUIDS
    • F03B15/00Controlling
    • F03B15/02Controlling by varying liquid flow
    • F03B15/04Controlling by varying liquid flow of turbines
    • F03B15/06Regulating, i.e. acting automatically
    • F03B15/18Regulating, i.e. acting automatically for safety purposes, e.g. preventing overspeed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/328Blade pitch angle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2270/00Control
    • F05B2270/30Control parameters, e.g. input parameters
    • F05B2270/329Azimuth or yaw angle
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/20Hydro energy

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

The invention discloses a kind of trunnion axis semi-integrated type energy by ocean current generating set, including propeller hub module, main shaft gearbox integration module and the motor module set gradually;The main shaft gearbox integration module includes main shaft, power output shaft and housing, front-end of spindle bearing block and rear-end of spindle bearing block are respectively equipped between the both ends of the main shaft and the housing, the front-end of spindle bearing seat, towards the side of the propeller hub module, is provided with the main shaft seal for preventing that extraneous seawater from entering in the main shaft gearbox integration module in the rear-end of spindle bearing block between the front-end of spindle bearing block and the main shaft;The propeller hub module is provided with propeller hub flange towards one end of the main shaft, and the quick-replaceable sealing structure for being used for the sealing ring that Quick overhaul changes the main shaft seal is provided between the main shaft and the propeller hub flange;The motor module includes motor input shaft, and yielding coupling module is provided between the power output shaft and the motor input shaft.

Description

Trunnion axis semi-integrated type energy by ocean current generating set
Technical field
The present invention relates to a kind of generating set, is specifically a kind of trunnion axis semi-integrated type energy by ocean current generating set.
Background technology
Energy shortage is the problem that countries in the world today faces jointly, and the exploitation to regenerative resource is very urgent.Can In field of renewable energy, energy by ocean current is a kind of clean reproducible energy, China's energy by ocean current rich reserves, and its developing and utilizingpotentiality is huge Greatly.Energy by ocean current has the advantages that energy density is big, predictability is strong, and trunnion axis energy by ocean current generator is that energy by ocean current is converted into electricity A kind of device of energy.Existing trunnion axis energy by ocean current generator is mostly unidirectional generating, is easier on unidirectional generation technology, unidirectionally Electricity generation system is fixed pitch device or variable propeller pitch device.And many landform tide bulge and falls in coastal waters, generated energy is improved, Two-way generating must be realized, two-way generated energy is twice of unidirectional generated energy;And realize the two-way hair of trunnion axis energy by ocean current generator Two methods of electricity are set yaw and blade commutation.One method is:Blade commutation is exactly to carry out 180 ° of commutations to blade to become Pitch control;Another method is one yaw device of increase in unidirectional electricity generation system, carries out 180 ° of driftages.
The study hotspot in energy by ocean current field is concentrated mainly on following aspect at present:(1) hydrodynamic(al) of energy by ocean current generator blade Hydraulic design method;(2) design of the adjustable spacing mechanism of blade;(3) installation and the design studies of supporting way;(4) blade cavitates Research and suppression;(5) research of generating set layout, such as integrated form or modular construction;(6) energy by ocean current generator new ideas Design;(7) the underwater sealing long-life is designed.
In the running environment of ocean, it is necessary to the problem of being kinked in face of suspension fishing net, if energy by ocean current generating set is without self-shield Measure, wound by fishing net, it is stuck to occur unit, can not run well, and even results in the situation that whole unit damages.In addition, Different from atmospheric environment, ocean attachment is also that the growth of bacterium, algae the problem of must take into consideration, biological larva etc. can cause Blade accelerated corrosion damages.Blade is often composite manufacture, and after the long period of soaking of seawater, intensity can decline, blade It can in use fracture, cause unit by load impacting;The damage of bearing and gear can be caused.
Existing energy by ocean current generating set uses the integral layout structure of integrated form, such as Publication No. CN A kind of trunnion axis energy by ocean current generating set and its gearbox disclosed in 106894939A Chinese patent application, although disclosure satisfy that Requirement, but the problems such as still suffer from repair and maintenance inconvenience, particularly in the environment of ocean operation, caused to repair and maintenance Extreme difficulties.
The content of the invention
In view of this, it is an object of the invention to provide a kind of trunnion axis semi-integrated type energy by ocean current generating set, using half Integrated integral layout structure, have the advantages that reliability is high, maintenance is easy.
To reach above-mentioned purpose, the present invention provides following technical scheme:
A kind of trunnion axis semi-integrated type energy by ocean current generating set, including set gradually propeller hub module, main shaft gearbox collection Into module and motor module;The main shaft gearbox integration module includes main shaft, power output shaft and housing, and the two of the main shaft Be respectively equipped with front-end of spindle bearing block and rear-end of spindle bearing block between end and the housing, the front-end of spindle bearing seat in The rear-end of spindle bearing block is provided with towards the side of the propeller hub module between the front-end of spindle bearing block and the main shaft The main shaft seal for preventing extraneous seawater from entering in the main shaft gearbox integration module;The propeller hub module is towards the main shaft One end be provided with propeller hub flange, be provided between the main shaft and the propeller hub flange and be used for Quick overhaul and change the main shaft seal Sealing ring quick-replaceable sealing structure;The motor module includes motor input shaft, the power output shaft and the electricity Yielding coupling module is provided between machine input shaft.
Further, the main shaft is provided with conical section towards the end of the propeller hub module, the external diameter of the conical section along The direction that the propeller hub module points to the motor module gradually increases, and the propeller hub flange is provided with and matched somebody with somebody with the conical section The conical central hole of conjunction, between the main shaft and the propeller hub flange using the conical section and conical central hole realize taper without Key connection;The quick-replaceable sealing structure includes being arranged between the faying face of the conical section and the conical central hole Annular groove, the hydraulic oil for making the main shaft be separated with the propeller hub flange or dismounting oil pressure regulation knot are connected with the annular groove Structure.
Further, the dismounting oil pressure adjustment structure includes being arranged on the main shaft towards one end end of the propeller hub module Main shaft interstitial hole on face, interface channel, the hole of the main shaft interstitial hole are provided between the main shaft interstitial hole and the annular groove The dismounting plunger coordinated with its screw thread is provided with mouthful, or is provided with the aperture of the main shaft interstitial hole and is used to connect high-pressure oil pump Attachment structure.
Further, the taper of the conical section is 1:(20-50).
Further, the yielding coupling module includes being used to connect the power output shaft and the motor input shaft Yielding coupling, the yielding coupling include be sleeved on the power output shaft and with the power output shaft synchronous axial system The first adapter sleeve and be sleeved on the motor input shaft and with the second adapter sleeve of the motor input shaft synchronous axial system, institute State and plum blossom rubber is provided between the first adapter sleeve and the second adapter sleeve;
It is swollen that first be sleeved on the power output shaft is provided between first adapter sleeve and the power output shaft Tight set, the direction that the external diameter of first expansion sleeve points to second adapter sleeve along first adapter sleeve gradually increase, The first cone-shaped inner hole coordinated with first expansion sleeve is provided with first adapter sleeve;
It is swollen that second be sleeved on the motor input shaft is provided between second adapter sleeve and the motor input shaft Tight set, the direction that the external diameter of second expansion sleeve points to second adapter sleeve along first adapter sleeve are gradually reduced, The second cone-shaped inner hole coordinated with second expansion sleeve is provided with second adapter sleeve.
The elastic connection axle module is also on first adapter sleeve and synchronous with first adapter sleeve including being sleeved on The brake disc of rotation and the brake block coordinated with the brake disc.
Further, the main shaft is coaxially disposed with the power output shaft, and the main shaft and the power output shaft it Between be provided with gear drive;The gear drive includes a level shunt gear mechanism and two level interflow gear mechanism;
The one level shunt gear mechanism is on the main shaft and big with the one-level of the main shaft synchronous axial system including being sleeved on Gear, the housing is interior to be provided with the one-level shaft gear that collar shape is uniformly arranged centered on the main-shaft axis, the primary axis Gear engages with the one-level gear wheel;
Two level interflow gear mechanism includes corresponding the two level gear wheel set with the one-level shaft gear, described Power output shaft is provided with the two level shaft gear engaged with the two level gear wheel;
Corresponding the one-level shaft gear and two level gear wheel are coaxially disposed, and the corresponding one-level shaft gear and two level Power transmission shaft is provided between gear wheel.
Further, the power transmission shaft is elastic torsion axle, and is connected with the elastic torsion axle for controlling damping It is worth the active damping arrangement of size.
Further, the active damping arrangement include be fixedly mounted damping housing, it is described damping housing in be provided with and its The damping main shaft of rotatable engagement, the damping main shaft are connected with the corresponding power transmission shaft, cover and are equiped with the damping main shaft The damping rotor of synchronous rotation, it is described damping rotor periphery wall on annular be laid with damping tooth, and the damping shell Filling in vivo is provided with the damping fluid for being used for adjusting the damping main axis damping.
Further, it is provided between the housing and the power output shaft respectively positioned at the defeated of the two level shaft gear both ends End bearing block and output rear axle bearing before going out, the output front end bearing seat is in the output rear end bearing seat surface to described The side of main shaft;The front-end of spindle bearing block and rear-end of spindle bearing block are located at the both sides of the one-level gear wheel respectively;
The first seal closure, first sealing are provided between the front-end of spindle bearing block and the rear-end of spindle bearing block First annular seal space is formed in cover, the first annular seal space is connected with gravity oil tank, and being provided with leak in the gravity oil tank senses Device;
Second seals structure is provided with before the rear-end of spindle bearing block and the output between end bearing block and in the master Before shaft rear end bearing block and the output the second annular seal space is formed between end bearing block;
Before the output the 3rd annular seal space is provided between end bearing block and the output rear axle bearing;
Formed and be located at outside the yielding coupling module between the output rear axle bearing and the motor module 4th annular seal space;
The motor module includes electric machine casing and the generator being fixedly mounted in the electric machine casing, the motor casing Body and the housing airtight connection, the electric machine casing is interior to be provided with the motor seal cover being located at outside the generator, the electricity The 5th annular seal space is formed in secret sealing cover.
Further, the first annular seal space, the second annular seal space, the 3rd annular seal space, the 4th annular seal space and the 5th annular seal space it Between sealing means use rubber seal, and in adjacent two-stage annular seal space, the annular seal space close to the propeller hub module side Seal pressure be more than away from the propeller hub module side the annular seal space seal pressure;Or, the first annular seal space, Sealing means between two annular seal spaces, the 3rd annular seal space, the 4th annular seal space and the 5th annular seal space use mechanical seal, and adjacent two In level annular seal space, the seal pressure close to the annular seal space of the propeller hub module side is less than away from the propeller hub module side The annular seal space seal pressure.
Further, in addition to the support tower with the housing airtight connection;The propeller hub module includes wheel hub and annular The paddle components on wheel hub are uniformly arranged, the propeller hub flange is fixedly connected with the wheel hub;The paddle components include angle The blade of fixed setting is spent, yaw motor part is provided with the support tower;Or the paddle components can be in 0- including angle The blade of 90 ° of range regulations, the support tower is interior to be provided with yaw motor part, and the main shaft is provided with blade pitch device and change Oar sensor;Or the paddle components can be in the blade of 0-180 ° of range regulation including angle, the main shaft, which is provided with, becomes oar Mechanism and change oar sensor.
The beneficial effects of the present invention are:
The trunnion axis semi-integrated type energy by ocean current generating set of the present invention, is integrated by using propeller hub module, main shaft gearbox Module and the monoblock type of motor module layout, the convenience both with modularized production assembling are again whole with integrated structure Body, the advantages of combining modularization and integrated structure, have reliability high and the advantages of repair and maintenance facilitates;
Because the service life of the oil sealing of main shaft seal wants short very compared to the service life of main shaft gearbox integration module It is more, thus need changing main-spindle to seal in use;Need to return during existing energy by ocean current generating set changing main-spindle sealing Factory, cost is huge, and time-consuming very long;The trunnion axis semi-integrated type energy by ocean current generating set of the present invention can be realized to be changed across the sea Main shaft seal, specifically:It will use taper keyless joint between propeller hub flange and main shaft, and in propeller hub flange and spindle carrier Annular groove is set at faying face, dismounting oil is passed through in annular groove, the oil pressure of regulation dismounting oil, makes the oil pressure increase of dismounting oil, you can Make propeller hub flange by distending, main shaft conical section in compress, propeller hub flange ejection, in this way, can quick separating propeller hub flange and Main shaft, realize repair and maintenance and the replacing of main shaft seal.
Regulation dismounting oil oil pressure mode have it is a variety of, such as can with external hydraulic oil, can also set dismounting oil pressure regulation Structure, i.e., in main shaft interstitial hole full of dismounting oil, dismantling plunger and spindle hole has a high precision, and sealing is very high;When When tightening dismounting plunger, dismounting oil pressure rises, and propeller hub flange is compressed by distending, main-shaft spindle head, can be achieved to make main shaft and oar The technical purpose of hub flange separation, has the advantages of simple and reliable for structure.
The present invention's has further the advantage that:
1) by setting the first expansion sleeve in the first adapter sleeve of yielding coupling and setting in the second adapter sleeve Two expansion sleeves, can be achieved fast quick-detach, and easy access is safeguarded;Meanwhile plum is set between the first adapter sleeve and the second adapter sleeve Flower rubber, not only with shock-absorbing function, and has insulation function, can prevent shaft current damage bearing and gear;Meanwhile bullet Property shaft coupling module be additionally provided with brake disc and brake block, i.e., band overload protection function, effectively can prevent unit from overloading.
2) by the way that power transmission shaft is arranged into elastic torsion axle, control damping is provided for by being connected on elastic torsion axle It is worth the active damping arrangement of size, when vibration values increase, damping value is increased, to reduce vibration amplitude value, when flow velocity exceedes volume During constant current speed, damping value is increased, reduces torque peak, to reach the purpose of protection unit.
3) by the way that first annular seal space, the second annular seal space, the 3rd annular seal space, the 4th annular seal space and the 5th will be divided into unit Annular seal space, each chamber is each independent, there is different pressure differences, and first annular seal space, the second annular seal space, the 3rd annular seal space, the 4th annular seal space Pressure is gradually stepped up with the 5th annular seal space, first annular seal space leak, first annular seal space is only influenced whether, is provided with first annular seal space Leakage sensor and gravity oil tank, the seal pressure in first annular seal space are more than hydraulic pressure, if seal failure, lubricating oil can enter In water, leakage sensor will realize the first chamber water leakage alarm, not interfere with the second annular seal space, have sealing means it is reliable, The advantages of long lifespan.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carried out Explanation:
Fig. 1 is the structural representation of trunnion axis semi-integrated type energy by ocean current generating set embodiment of the present invention, and specific is to adopt The mode fixed with blade;
Fig. 2 is Fig. 1 A-A profiles;
Fig. 3 is Fig. 1 B-B profiles;
Fig. 4 is Fig. 1 C detail drawings;
Fig. 5 is Fig. 1 D detail drawings;
The structural representation of trunnion axis semi-integrated type energy by ocean current generating set when Fig. 6 is blade angle adjustable;
Fig. 7 is trunnion axis semi-integrated type energy by ocean current generator when blade is fixed or blade can be adjusted in the range of 0-90 ° The mounting structure schematic diagram of group;
Fig. 8 is the structural representation of active damping arrangement;
Fig. 9 is Fig. 8 C-C sectional views.
Figure 10 is transmission principle figure when blade is fixed;
Figure 11 is transmission principle figure when blade can be adjusted in the range of 0-90 °;
Figure 12 is transmission principle figure when blade can be adjusted in the range of 0-180 °.
Description of reference numerals:
100- propeller hub modules;200- main shaft gearbox integration modules;300- motor modules;
1- main shafts;2- power output shafts;3- housings;4- front-end of spindle bearing blocks;5- rear-end of spindle bearing blocks;6- main shafts are close Envelope;7- propeller hub flanges;8- motor input shafts;9- quick-replaceable sealing structures;10- conical sections;11- main shaft interstitial holes;12- is dismantled Plunger;13- becomes oar sensor;The adapter sleeves of 14- first;The adapter sleeves of 15- second;The expansion sleeves of 16- first;The expansion sleeves of 17- second; 18- brake discs;19- brake blocks;20- plum blossom rubber;21- one-level gear wheels;22- one-level shaft gears;23- two level gear wheels;24- Two level shaft gear;25- power transmission shafts;26- active damping arrangements;End bearing block before 27- outputs;28- exports rear axle bearing;29- First seal closure;30- first annular seal spaces;31- gravity oil tanks;The annular seal spaces of 32- second;33- is sealed;The annular seal spaces of 34- the 3rd;35- 4th annular seal space;36- electric machine casings;37- generators;38- motor seal covers;The annular seal spaces of 39- the 5th;40- supports tower;41- Blade pitch device;42- yaw motor parts;43- damps housing;44- damps main shaft;45- damps rotor;46- damps tooth;47- hinders Buddhist nun's liquid;The big end caps of 48-;49- small end covers;50- bearings;51- sealing structures.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in figure 1, the structural representation for trunnion axis semi-integrated type energy by ocean current generating set embodiment of the present invention.This reality Apply a kind of trunnion axis semi-integrated type energy by ocean current generating set of example, including set gradually propeller hub module 100, main shaft gearbox collection Into module 200 and motor module 300.Main shaft gearbox integration module 200 includes main shaft 1, power output shaft 2 and housing 3, main shaft Front-end of spindle bearing block 4 and rear-end of spindle bearing block 5, front-end of spindle bearing block 4 are respectively equipped between 1 both ends and housing 3 In rear-end of spindle bearing block 5 towards the side of propeller hub module 100, being provided between front-end of spindle bearing block 4 and main shaft 1 prevents the external world The main shaft seal 6 that seawater is entered in main shaft gearbox integration module 200.Propeller hub module 100 is provided with oar towards one end of main shaft 1 Hub flange 7, the quick-replaceable that the sealing ring for being used for Quick overhaul changing main-spindle sealing 6 is provided between main shaft 1 and propeller hub flange 7 are close Seal structure 9.Motor module 300 includes motor input shaft 8, and yielding coupling is provided between power output shaft 2 and motor input shaft 8 Module.
The main shaft 1 of the present embodiment is provided with conical section 10 towards the end of propeller hub module 100, and the external diameter of conical section 10 is along oar The direction that hub module 100 points to motor module 300 gradually increases, and propeller hub flange 7 is provided with the taper coordinated with conical section 10 Centre bore, realize taper without key connection using conical section and conical central hole between main shaft 1 and propeller hub flange 7.The present embodiment Quick-replaceable sealing structure includes the annular groove being arranged between conical section 10 and the faying face of conical central hole, connects and sets on annular groove There are the hydraulic oil for making main shaft 1 be separated with propeller hub flange 7 or dismounting oil pressure adjustment structure.Being connected with the annular groove of the present embodiment makes The dismounting oil pressure adjustment structure that main shaft 1 separates with propeller hub flange 7.Specifically, dismounting oil pressure adjustment structure includes being arranged on main shaft 1 Main shaft interstitial hole 11 towards on one end end face of propeller hub module 100, interface channel is provided between main shaft interstitial hole 11 and annular groove 13, the dismounting plunger 12 coordinated with its screw thread is provided with the aperture of main shaft interstitial hole 11, or set at the aperture of main shaft interstitial hole 11 There is the attachment structure for connecting high-pressure oil pump, be provided with what is coordinated with its screw thread at the aperture of the main shaft interstitial hole 11 of the present embodiment Dismantle plunger 12.The taper of the conical section 10 of the present embodiment is 1:(20-50), the taper of the conical section 10 of the present embodiment is 1: 30.Regulation dismounting oil oil pressure mode have it is a variety of, such as can with external hydraulic oil, can also set dismounting oil pressure adjustment structure, I.e. in main shaft interstitial hole 11 full of dismounting oil, dismantling plunger 12 and spindle hole 11 has a high precision, and sealing is very high;When When tightening dismounting plunger 12, dismounting oil pressure rises, and propeller hub flange 7 is compressed by distending, the spindle nose of main shaft 1, can be achieved to make main shaft 1 The technical purpose separated with propeller hub flange 7, there is the advantages of simple and reliable for structure.
Further, the yielding coupling module of the present embodiment includes being used to connect power output shaft 2 and motor input shaft 8 Yielding coupling, yielding coupling include being sleeved on power output shaft 2 and being connected with the first of the synchronous axial system of power output shaft 2 Set 14 and be sleeved on motor input shaft 8 and with the second adapter sleeve 15 of the synchronous axial system of motor input shaft 8, the He of the first adapter sleeve 14 Plum blossom rubber 20 is provided between second adapter sleeve 15.Set is provided between first adapter sleeve 14 and power output shaft 2 of the present embodiment The first expansion sleeve 16 on power output shaft 2, the external diameter of the first expansion sleeve 16 point to second along the first adapter sleeve 14 and connected The direction of female connector 15 gradually increases, and the first cone-shaped inner hole coordinated with the first expansion sleeve 16 is provided with the first adapter sleeve 14.This reality Apply to be provided between the second adapter sleeve 15 of example and motor input shaft 8 and be sleeved on the second expansion sleeve 17 on motor input shaft 8, second The direction that the external diameter of expansion sleeve 17 points to the second adapter sleeve 15 along the first adapter sleeve 14 is gradually reduced, and is set in the second adapter sleeve 15 There is the second cone-shaped inner hole coordinated with the second expansion sleeve 17.Specifically, the elastic connection axle module of the present embodiment also includes suit The brake block 19 coordinated on the first adapter sleeve 14 and with the brake disc 18 of the synchronous axial system of the first adapter sleeve 14 and with brake disc 18. It is by the first expansion sleeve 16 of setting in the first adapter sleeve 14 of yielding coupling and swollen in the 15 interior setting second of the second adapter sleeve Tight set 17, can be achieved fast quick-detach, and easy access is safeguarded;Meanwhile set between the first adapter sleeve 14 and the second adapter sleeve 15 Plum blossom rubber 20, not only with shock-absorbing function, and there is insulation function, shaft current damage bearing and gear can be prevented;Together When, yielding coupling module is additionally provided with brake disc 18 and brake block 19, i.e. band overload protection function, effectively can prevent unit from surpassing Carry.
Further, the main shaft 1 of the present embodiment is coaxially disposed with power output shaft 2, and between main shaft 1 and power output shaft 2 Provided with gear drive.Gear drive includes a level shunt gear mechanism and two level interflow gear mechanism.The present embodiment A level shunt gear mechanism include being sleeved on main shaft 1 and with the one-level gear wheel 21 of the synchronous axial system of main shaft 1, set in housing 3 There is the one-level shaft gear 22 that collar shape is uniformly arranged centered on the axis of main shaft 1, one-level shaft gear 22 is nibbled with one-level gear wheel 21 Close.The two level interflow gear mechanism of the present embodiment includes corresponding the two level gear wheel 23 set with one-level shaft gear 22, moves Power output shaft 2 is provided with the two level shaft gear 24 engaged with two level gear wheel 23.Corresponding one-level shaft gear 22 and two level canine tooth Wheel 23 is coaxially disposed, and power transmission shaft 25 is provided between corresponding one-level shaft gear 22 and two level gear wheel 23.One level shunt gear Mechanism realizes power dividing, and two level interflow gear mechanism realizes that power collaborates, while in one-level shaft gear 22 and two level gear wheel Power transmission shaft is set between 23, plays a part of torsion shaft.One-level gear wheel 21 and main shaft 1 pass through hot jacket or liquid without key connection Pressure installation, also can interference band key joint;One-level gear wheel 21 and one-level shaft gear 22 engage, and the quantity of one-level shaft gear 22 is three Individual to four, annular is uniform, and circumferentially the common normal of one-level shaft gear 22 is preferably identical, one-level shaft gear 22 and power transmission shaft 25 Between preferably Desing of Interference Joint or be coupled by tensioner, can also be by spline coupling, this is power dividing.Two level gear wheel 23 and power transmission shaft 25 connect, keyed to be connected with slight interference, the quantity of two level gear wheel 23 is corresponding with one-level shaft gear 22 to be set to three Or four, the common normal of two level gear wheel 23 is preferably identical, and the external toothing of two level shaft gear 24.Specifically, the present embodiment Power transmission shaft 25 is elastic torsion axle, and the active damping arrangement for controlling damping value size is connected with elastic torsion axle 26.The active damping arrangement 26 of the present embodiment includes the damping housing 43 being fixedly mounted, and is provided with and rotates in damping housing 43 The damping main shaft 44 of cooperation, damping main shaft 14 are connected with corresponding power transmission shaft 25, and set is equiped with synchronous on damping main shaft 44 The damping rotor 45 of rotation, damp annular on the periphery wall of rotor 45 and be laid with damping tooth 46, and damp in housing 43 and fill Provided with the damping fluid 47 for adjusting the damping rotary damping of main shaft 44, damping fluid 47 is powered, the change of its damped coefficient and electric current The proportional relation of size, by the damping value for adjusting the i.e. adjustable damping fluid of size of current.The damping housing 43 of the present embodiment Upper lid is equiped with big end cap 48 and small end cover 49, damps housing 43 and big end cap 28 and is provided with bearing between damping main shaft 44 respectively 50, and damp between housing and damping main shaft, be respectively equipped with use between damping housing and big end cap, between big end cap and small end cover In the sealing structure 51 for preventing that damping fluid from revealing.By the way that power transmission shaft 25 is arranged into elastic torsion axle, by elastic torsion axle Upper connection is provided for controlling the active damping arrangement 26 of damping value size, when vibration values increase, increases damping value, to reduce Vibration amplitude value, when flow velocity exceedes nominal flow rate, damping value is increased, reduces torque peak, to reach the purpose of protection unit.
Further, the output front end axle for being located at the both ends of two level shaft gear 24 respectively is provided between housing 3 and power output shaft 2 Bearing 27 and output rear axle bearing 28, end bearing block 27 is located at output rear axle bearing 28 towards the side of main shaft 1 before output; Front-end of spindle bearing block 4 and rear-end of spindle bearing block 5 are located at the both sides of one-level gear wheel 21 respectively.The front-end of spindle of the present embodiment The first seal closure 29 is provided between bearing block 4 and rear-end of spindle bearing block 5, first annular seal space 30 is formed in the first seal closure 29, First annular seal space 30 is connected with gravity oil tank 31, and leakage sensor is provided with gravity oil tank 31.The rear-end of spindle of the present embodiment Second seals structure is provided with before bearing block 5 and output between end bearing block 27 and in rear-end of spindle bearing block 5 and output front end axle Form the second annular seal space 32 between bearing 27, second seals structure include being separately positioned on housing 3 and rear-end of spindle bearing block 5 and Sealing 33 before output between end bearing block 27.Before the output of the present embodiment between end bearing block 27 and output rear axle bearing 28 Provided with the 3rd annular seal space 34.Formed and be located at outside yielding coupling module between output rear axle bearing 28 and motor module 300 The 4th annular seal space 35.Motor module 300 includes electric machine casing 36 and the generator 37 being fixedly mounted in electric machine casing 36, electricity Casing body 36 and the airtight connection of housing 3, electric machine casing 36 is interior to be provided with the motor seal cover 38 being located at outside generator 37, and motor is close The 5th annular seal space 39 is formed in sealing cover 38.
Specifically, first annular seal space 30, the second annular seal space 32, the 3rd annular seal space 34, the 4th annular seal space 35 and the 5th sealing Sealing means between chamber 39 use rubber seal, and in adjacent two-stage annular seal space, the annular seal space of close propeller hub module side Seal pressure is more than the seal pressure of the annular seal space away from propeller hub module side;Or, first annular seal space, the second annular seal space, the 3rd Sealing means between annular seal space, the 4th annular seal space and the 5th annular seal space use mechanical seal, and in adjacent two-stage annular seal space, lean on The seal pressure of the annular seal space of nearly propeller hub module side is less than the seal pressure of the annular seal space away from propeller hub module side.Specifically , when the sealing means between first annular seal space, the second annular seal space, the 3rd annular seal space, the 4th annular seal space and the 5th annular seal space are adopted With rubber seal, and in adjacent two-stage annular seal space, close to propeller hub module side annular seal space seal pressure with away from propeller hub mould Difference between the seal pressure of the annular seal space of block side is 0.03-0.1MPa;Or, when first annular seal space, the second annular seal space, Sealing means between three annular seal spaces, the 4th annular seal space and the 5th annular seal space use mechanical seal, and in adjacent two-stage annular seal space, Between the seal pressure of the annular seal space of the seal pressure of annular seal space away from propeller hub module side and close propeller hub module side Difference is 0.03-0.1MPa.The first annular seal space 30 of the present embodiment, the second annular seal space 32, the 3rd annular seal space 34, the 4th annular seal space 35 and the 5th sealing means between annular seal space 39 use rubber seal, in adjacent two-stage annular seal space, close to propeller hub module side Annular seal space seal pressure and away from propeller hub module side annular seal space seal pressure between difference be 0.08MPa.It is logical First annular seal space, the second annular seal space, the 3rd annular seal space, the 4th annular seal space and the 5th annular seal space, each chamber will be divided into by crossing in unit It is each independent, there are different pressure differences, and first annular seal space, the second annular seal space, the 3rd annular seal space, the 4th annular seal space and the 5th annular seal space Gradually step up pressure, first annular seal space leak, only influence whether first annular seal space, be provided with first annular seal space leakage sensor and Gravity oil tank 31, the seal pressure in first annular seal space 30 is more than hydraulic pressure, if seal failure, lubricating oil can enter in water, leakage Water sensor will realize the first chamber water leakage alarm, not interfere with the second annular seal space, have sealing means reliable, long lifespan Advantage.
Further, the trunnion axis semi-integrated type energy by ocean current generating set of the present embodiment also includes and the airtight connection of housing 3 Tower 40 is supported, support tower 40 can be arranged on above or below housing 3, when supporting tower 40 to be arranged on 3 top of housing, Installed using suspension type;When supporting tower 40 to be arranged on 3 lower section of housing, installed using marine pile formula.Propeller hub module 100 includes Wheel hub and annular are uniformly arranged the paddle components on wheel hub, and propeller hub flange 7 is fixedly connected with wheel hub.If paddle components include angle The blade of fixed setting is spent, yaw motor part 42 is provided with support tower;Or if paddle components can be in 0-90 ° of model including angle The blade of regulation is enclosed, yaw motor part 42 is provided with support tower 40, main shaft 1 is provided with blade pitch device 41 and becomes oar sensing Device 13;Or if paddle components can be in the blade of 0-180 ° of range regulation including angle, main shaft 1 is provided with blade pitch device 41 and becomes oar Sensor 13.
The trunnion axis semi-integrated type energy by ocean current generating set of the present embodiment, by using propeller hub module, main shaft gearbox collection It is laid out into module and the monoblock type of motor module, the convenience both with modularized production assembling, again with integrated structure Globality, the advantages of combining modularization and integrated structure, have reliability high and the advantages of repair and maintenance facilitates.Due to master The service life of the oil sealing of sealing compared to the service life of main shaft gearbox integration module want it is short a lot, thus using Changing main-spindle is needed to seal in journey;Need to return factory during existing energy by ocean current generating set changing main-spindle sealing, cost is huge, and consumes When it is very long;The trunnion axis semi-integrated type energy by ocean current generating set of the present invention can realize changing main-spindle sealing across the sea, specifically: Taper keyless joint will be used between propeller hub flange and main shaft, and ring is set at the faying face of propeller hub flange and spindle carrier Groove, dismounting oil is passed through in annular groove, the oil pressure of regulation dismounting oil, makes the oil pressure increase of dismounting oil, you can make propeller hub flange swollen Open, compress in the conical section of main shaft, the ejection of propeller hub flange, in this way, can quick separating propeller hub flange and main shaft, realize that main shaft is close The repair and maintenance of envelope and replacing.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention Protection domain within.Protection scope of the present invention is defined by claims.

Claims (10)

  1. A kind of 1. trunnion axis semi-integrated type energy by ocean current generating set, it is characterised in that:Including set gradually propeller hub module, main shaft Gear-box integration module and motor module;The main shaft gearbox integration module includes main shaft, power output shaft and housing, described Front-end of spindle bearing block and rear-end of spindle bearing block, the front-end of spindle axle are respectively equipped between the both ends of main shaft and the housing Bearing is located at the rear-end of spindle bearing block towards the side of the propeller hub module, the front-end of spindle bearing block and the main shaft Between be provided with and prevent main shaft seal that extraneous seawater is entered in the main shaft gearbox integration module;The propeller hub module towards One end of the main shaft is provided with propeller hub flange, is provided with and is used for described in Quick overhaul replacing between the main shaft and the propeller hub flange The quick-replaceable sealing structure of the sealing ring of main shaft seal;The motor module includes motor input shaft, the power output shaft Yielding coupling module is provided between the motor input shaft.
  2. 2. trunnion axis semi-integrated type energy by ocean current generating set according to claim 1, it is characterised in that:The main shaft towards The end of the propeller hub module is provided with conical section, and the external diameter of the conical section points to the motor module along the propeller hub module Direction gradually increase, and the propeller hub flange is provided with the conical central hole coordinated with the conical section, the main shaft and institute State realizes taper without key connection between propeller hub flange using the conical section and conical central hole;The quick-replaceable sealing structure Including the annular groove being arranged between the conical section and the faying face of the conical central hole, being connected with the annular groove makes institute State hydraulic oil or the dismounting oil pressure adjustment structure that main shaft separates with the propeller hub flange.
  3. 3. trunnion axis semi-integrated type energy by ocean current generating set according to claim 2, it is characterised in that:The dismounting oil pressure Adjustment structure includes being arranged on the main shaft towards the main shaft interstitial hole on one end end face of the propeller hub module, in the main shaft Between be provided with interface channel between hole and the annular groove, the dismounting post coordinated with its screw thread is provided with the aperture of the main shaft interstitial hole Plug, or the attachment structure for being used for connecting high-pressure oil pump is provided with the aperture of the main shaft interstitial hole.
  4. 4. trunnion axis semi-integrated type energy by ocean current generating set according to claim 2, it is characterised in that:The conical section Taper is 1:(20-50).
  5. 5. trunnion axis semi-integrated type energy by ocean current generating set according to claim 1, it is characterised in that:The elastic shaft coupling Device module includes being used for the yielding coupling for connecting the power output shaft and the motor input shaft, the yielding coupling bag Include and be sleeved on the power output shaft and with the first adapter sleeve of the power output shaft synchronous axial system and being sleeved on the electricity On machine input shaft and with the second adapter sleeve of the motor input shaft synchronous axial system, first adapter sleeve and the second adapter sleeve it Between be provided with plum blossom rubber;
    The first expansion sleeve being sleeved on the power output shaft is provided between first adapter sleeve and the power output shaft, The direction that the external diameter of first expansion sleeve points to second adapter sleeve along first adapter sleeve gradually increases, and described the The first cone-shaped inner hole coordinated with first expansion sleeve is provided with one adapter sleeve;
    The second expansion sleeve being sleeved on the motor input shaft is provided between second adapter sleeve and the motor input shaft, The direction that the external diameter of second expansion sleeve points to second adapter sleeve along first adapter sleeve is gradually reduced, and described the The second cone-shaped inner hole coordinated with second expansion sleeve is provided with two adapter sleeves.
    The elastic connection axle module also include be sleeved on first adapter sleeve and with the first adapter sleeve synchronous axial system Brake disc and with the brake disc coordinate brake block.
  6. 6. the trunnion axis semi-integrated type energy by ocean current generating set according to claim any one of 1-5, it is characterised in that:It is described Main shaft is coaxially disposed with the power output shaft, and gear drive is provided between the main shaft and the power output shaft; The gear drive includes a level shunt gear mechanism and two level interflow gear mechanism;
    The one level shunt gear mechanism include be sleeved on the main shaft and with the one-level gear wheel of the main shaft synchronous axial system, Be provided with the one-level shaft gear that collar shape is uniformly arranged centered on the main-shaft axis in the housing, the one-level shaft gear with The one-level gear wheel engagement;
    Two level interflow gear mechanism includes corresponding the two level gear wheel set, the power with the one-level shaft gear Output shaft is provided with the two level shaft gear engaged with the two level gear wheel;
    Corresponding the one-level shaft gear and two level gear wheel are coaxially disposed, and the corresponding one-level shaft gear and two level canine tooth Power transmission shaft is provided between wheel.
  7. 7. trunnion axis semi-integrated type energy by ocean current generating set according to claim 6, it is characterised in that:The power transmission shaft is Elastic torsion axle, and the active damping arrangement for controlling damping value size is connected with the elastic torsion axle.
  8. 8. trunnion axis semi-integrated type energy by ocean current generating set according to claim 7, it is characterised in that:The active damping Device includes the damping housing being fixedly mounted, and the damping main shaft for rotating cooperation, the damping are provided with the damping housing Main shaft is connected with the corresponding power transmission shaft, and set is equiped with the damping rotor of synchronous rotation on the damping main shaft, described Damp annular on the periphery wall of rotor and be laid with damping tooth, and fill to be provided with the damping housing and be used to adjust the damping The damping fluid of main axis damping.
  9. 9. trunnion axis semi-integrated type energy by ocean current generating set according to claim 6, it is characterised in that:The housing and institute State and end bearing block and output rear end bearing before the output at the two level shaft gear both ends respectively are provided between power output shaft Seat, the output front end bearing seat is in the rear end bearing seat surface that exports to the side of the main shaft;The front-end of spindle axle Bearing and rear-end of spindle bearing block are located at the both sides of the one-level gear wheel respectively;
    The first seal closure is provided between the front-end of spindle bearing block and the rear-end of spindle bearing block, in first seal closure First annular seal space is formed, the first annular seal space is connected with gravity oil tank, leakage sensor is provided with the gravity oil tank;
    Second seals structure is provided with before the rear-end of spindle bearing block and the output between end bearing block and after the main shaft Before end bearing block and the output the second annular seal space is formed between end bearing block;
    Before the output the 3rd annular seal space is provided between end bearing block and the output rear axle bearing;
    The 4th be located at outside the yielding coupling module is formed between the output rear axle bearing and the motor module Annular seal space;
    The motor module includes electric machine casing and the generator that is fixedly mounted in the electric machine casing, the electric machine casing with The housing airtight connection, the electric machine casing is interior to be provided with the motor seal cover being located at outside the generator, and the motor is close The 5th annular seal space is formed in sealing cover;
    Sealing means between the first annular seal space, the second annular seal space, the 3rd annular seal space, the 4th annular seal space and the 5th annular seal space Using rubber seal, and in adjacent two-stage annular seal space, the seal pressure close to the annular seal space of the propeller hub module side is big In the seal pressure of the annular seal space away from the propeller hub module side;Or, the first annular seal space, the second annular seal space, Sealing means between three annular seal spaces, the 4th annular seal space and the 5th annular seal space use mechanical seal, and in adjacent two-stage annular seal space, Seal pressure close to the annular seal space of the propeller hub module side is less than the sealing away from the propeller hub module side The seal pressure of chamber.
  10. 10. trunnion axis semi-integrated type energy by ocean current generating set according to claim 1, it is characterised in that:Also include and institute State the support tower of housing airtight connection;The propeller hub module includes wheel hub and annular is uniformly arranged the blade group on wheel hub Part, the propeller hub flange are fixedly connected with the wheel hub;The paddle components include the blade of angle fixed setting, the support Yaw motor part is provided with tower;Or the paddle components can be in the blade of 0-90 ° of range regulation, the branch including angle Yaw motor part is provided with support tower, the main shaft is provided with blade pitch device and becomes oar sensor;Or the paddle components bag Including angle can be in the blade of 0-180 ° of range regulation, and the main shaft is provided with blade pitch device and becomes oar sensor.
CN201711021006.7A 2017-10-27 2017-10-27 Horizontal shaft semi-integrated ocean current energy generator set Active CN107859587B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113623113A (en) * 2021-08-30 2021-11-09 浙江大学 Counter-rotating propeller ocean current energy power generation device applying magnetic coupling

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CN105840411A (en) * 2016-04-15 2016-08-10 浙江大学 Horizontal axis ocean current energy electric generator variable-pitch device and horizontal axis ocean current energy electric generator
CN205731658U (en) * 2016-06-22 2016-11-30 江苏圣力离心机制造有限公司 It is easy to the tapered configuration of bowl dismounting
CN106894939A (en) * 2017-03-31 2017-06-27 浙江大学 Trunnion axis energy by ocean current generating set and its gearbox

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Publication number Priority date Publication date Assignee Title
US20080050993A1 (en) * 2004-11-17 2008-02-28 Overberg Limited Floating Apparatus for Deploying in Marine Current for Gaining Energy
CN203130827U (en) * 2013-01-24 2013-08-14 天津龙创恒盛实业有限公司 Quincuncial expansion sleeve type coupler
CN104389942A (en) * 2014-10-01 2015-03-04 浙江师范大学 Three-working surface rotary type damper based on magnetorheological fluid
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113623113A (en) * 2021-08-30 2021-11-09 浙江大学 Counter-rotating propeller ocean current energy power generation device applying magnetic coupling
CN113623113B (en) * 2021-08-30 2022-04-29 浙江大学 Counter-rotating propeller ocean current energy power generation device applying magnetic coupling

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