CN112610417A - Efficient hollow fixed-shaft type fan blade contra-rotating wind power generation device - Google Patents

Efficient hollow fixed-shaft type fan blade contra-rotating wind power generation device Download PDF

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Publication number
CN112610417A
CN112610417A CN202011412700.3A CN202011412700A CN112610417A CN 112610417 A CN112610417 A CN 112610417A CN 202011412700 A CN202011412700 A CN 202011412700A CN 112610417 A CN112610417 A CN 112610417A
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China
Prior art keywords
shaft
fan blade
hollow fixed
generator
carbon brush
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Withdrawn
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CN202011412700.3A
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Chinese (zh)
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吴永福
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Individual
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Individual
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Priority to CN202011412700.3A priority Critical patent/CN112610417A/en
Publication of CN112610417A publication Critical patent/CN112610417A/en
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    • 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
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • F03D9/25Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F03D9/255Wind motors characterised by the driven apparatus the apparatus being an electrical generator connected to electrical distribution networks; Arrangements therefor
    • 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
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/02Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors
    • F03D1/025Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having a plurality of rotors coaxially arranged
    • 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
    • F03DWIND MOTORS
    • F03D1/00Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06Rotors
    • F03D1/065Rotors characterised by their construction elements
    • F03D1/0658Arrangements for fixing wind-engaging parts to a hub
    • 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
    • F03DWIND MOTORS
    • F03D13/00Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • 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
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022Adjusting aerodynamic properties of the blades
    • F03D7/0224Adjusting blade pitch
    • 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
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0264Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for stopping; controlling in emergency situations
    • F03D7/0268Parking or storm protection
    • 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
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0276Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
    • 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
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0296Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
    • 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
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • 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
    • Y02E10/70Wind energy
    • Y02E10/728Onshore wind turbines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Wind Motors (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention discloses a high-efficiency hollow fixed-shaft type fan blade counter-rotating wind power generation device which comprises a tower, wherein a hollow fixed shaft is arranged at the top of the tower and is rotationally connected with the tower through a millstone type connector, a front end connector is arranged at the front end of the hollow fixed shaft, and a rear end connector is arranged at the rear end of the hollow fixed shaft; the end part of the front end connector far away from the hollow fixed shaft is sequentially provided with a front carbon brush, a front generator, a front gearbox and an air guide cone; the end part of the rear end connector far away from the hollow fixed shaft is sequentially provided with a rear carbon brush, a rear generator, a rear gear box and a tail wing. Compared with the prior art, the invention has the advantages that: the invention has simple structure, easy installation, low rotating speed of the fan blade, low noise and extremely little magnetism, the rotating speed of the fan blade per minute is about thirty revolutions per minute, the rated frequency of 50Hz can be reached, only 10 pairs of poles are needed for magnetic poles, a hub of the fan blade, a frequency converter, an inverter, a storage battery and the like are not needed to be additionally arranged, but the fan blade is directly combined with a generator, the cost can be reduced, and the generating efficiency is higher.

Description

Efficient hollow fixed-shaft type fan blade contra-rotating wind power generation device
Technical Field
The invention relates to the technical field of wind power generation, in particular to a high-efficiency hollow fixed-shaft type wind blade contra-rotating wind power generation device.
Background
The economy of China has entered into a new development period, the country highly attaches importance to clean energy, has increased the development and utilization dynamics, and traditional wind turbine generator is introduction technique and is with high costs, and is inefficient, the structure is complicated, and the installation degree of difficulty is high, and wind energy utilization is low, therefore a stable in structure, the reliability is stronger, relative rotational speed is low, the noise is little, magnetism is few, the more stable high-efficient wind power generation set of frequency of electricity generation awaits urgent need to study.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a high-efficiency fixed-shaft type fan blade counter-rotating wind power generation device.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a high-efficiency hollow fixed-shaft type fan blade counter-rotating wind power generation device comprises a tower, wherein a hollow fixed shaft is arranged at the top of the tower and is rotatably connected with the tower through a millstone type connector, a front end connector is arranged at the front end of the hollow fixed shaft, and a rear end connector is arranged at the rear end of the hollow fixed shaft;
the end part of the front end connector, which is far away from the hollow fixed shaft, is sequentially provided with a front carbon brush, a front generator, a front gearbox and an air guide cone;
the end part of the rear end connector far away from the hollow fixed shaft is sequentially provided with a rear carbon brush, a rear generator, a rear gear box and a tail wing;
the front generator and the rear generator comprise a shell, a plurality of cooling fins are horizontally arranged outside the shell, and a regulator assembly is further arranged on the shell;
the regulator assembly comprises a fan blade connecting plate, a fan blade connecting pier is arranged on the fan blade connecting plate, a movable fan blade is connected to the end of the fan blade connecting plate, a potential energy regulating spring is sleeved outside the fan blade connecting pier, the top end of the potential energy regulating spring is a spring head, an edge hole is formed in the fan blade connecting plate, and the spring head penetrates through the edge hole;
the fan blade connecting pier comprises an upper bearing position and a lower bearing position, the upper bearing position is fixedly connected with the fan blade connecting plate, a connecting plate shaft is fixedly arranged between the upper bearing position and the lower bearing position, the connecting plate shaft is fixed inside the fan blade connecting pier through the upper bearing position and the lower bearing position and locked by a locking nut, a positioning pin is sleeved outside the connecting plate shaft and is arranged in a positioning pin hole between the upper bearing position and the lower bearing position, and a lead screw is arranged at the bottom of the lower bearing position;
the bottom of the potential energy adjusting spring is provided with a worm seat plate, a worm wheel is sleeved on the worm seat plate, a plurality of pin holes are formed in the worm wheel, a plurality of fixing pins are welded to the bottom of the potential energy adjusting spring and fixed in the pin holes, a worm shaft is arranged on the worm seat plate and fixed through a bearing seat, and one end of the worm shaft is connected with a speed reduction remote control motor.
As a preferred scheme, a winding coil, a permanent magnet rotor and an electric drive winding outgoing line are arranged in the casing, the permanent magnet rotor is fixed on a cylinder shaft, the cylinder shaft is supported on the hollow fixed shaft by an inner rotor bearing, oil separation plates are arranged on the cylinder shaft and the inner wall of the casing, and an oil seal ring is arranged between the oil separation plates and the outer wall of the cylinder shaft;
the shell is cylindrical, a support disc is arranged in the shell, two groups of gear sets are arranged on the support disc, the support disc is fixed on the hollow fixed shaft through a support fixing pin, an inner toothed ring, a transmission gear, a first shaft pinion, a first shaft gear wheel, a second shaft pinion, a second shaft gear wheel and an inner rotor cylinder shaft gear are fixedly arranged on the inner wall of the shell, the inner toothed ring is meshed with the transmission gear, the transmission gear is meshed with the first shaft pinion, the first shaft gear wheel is meshed with the second shaft pinion, and the second shaft gear wheel is meshed with the inner rotor cylinder shaft gear.
The front end and the rear end of the front generator and the rear generator are respectively provided with an end cover, the end covers are fixed at the two ends of the casing by end cover fixing bolts and are fixed on the hollow fixed shaft by an outer rotor bearing, a sealing ring is arranged between each end cover and the hollow fixed shaft, and the sealing rings are fixedly compressed by a cover plate and a cover plate fixing bolt.
The front carbon brush device and the rear carbon brush device both comprise carbon brush frames, the carbon brush frames are fixedly arranged on the hollow fixed shaft, carbon brush wires are arranged on the carbon brush frames, and winding output carbon brushes are arranged on the carbon brush wires.
The outer side of the sealing ring is provided with an end cover bearing sealing ring seat, the outer wall of the end cover bearing sealing ring seat is provided with an insulating sleeve, a current collection slip ring is fixedly arranged on the insulating sleeve, an outgoing line of the electric drive winding penetrates through the current collection slip ring, a winding output carbon brush conducts a winding output line, the winding output line penetrates into a hole of the hollow fixed shaft, and the electric connection is carried out to a grid-connected control box.
As a preferred scheme, the fan blade connecting piers are connected with the front-end generator, the rear-end generator and the movable fan blade through bolts.
As a preferred scheme, the number of the movable fan blades outside the front generator is 2, and the number of the movable fan blades outside the rear generator is 4.
Compared with the prior art, the invention has the advantages that: the invention has simple structure, easy installation, low rotating speed of the fan blade, low noise and extremely little magnetism, the rotating speed of the fan blade per minute is about thirty revolutions per minute, the rated frequency of 50Hz can be reached, the magnetic poles only need 10 pairs, the hub of the fan blade, a frequency converter, an inverter, a storage battery and the like are not needed to be additionally arranged, and the fan blade is directly combined with the generator, thus the cost can be reduced by 50 percent, and the generating efficiency is higher.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a rear view of the present invention.
FIG. 5 is a schematic view of the construction of the regulator assembly of the present invention.
Fig. 6 is a schematic structural view of a central shaft of the fan blade connecting pier.
Fig. 7 is a top view of the blade attachment pier of the present invention.
Fig. 8 is a cross-sectional view of the blade connecting pier of the invention.
Fig. 9 is a schematic structural view of the potential energy adjusting spring of the present invention.
Fig. 10 is a worm gear engagement diagram of the present invention.
FIG. 11 is a schematic view showing the internal cross-sectional structure of a dynamo-electric converter according to the present invention.
FIG. 12 is a schematic view of the engagement structure of the rack plate, two sets of gears and the internal gear ring.
As shown in the figure: 1. a tower frame, 2, a hollow fixed shaft, 3, a millstone type connector, 4, a front end connector, 5, a rear end connector, 6, a front carbon brush device, 7, a front generator, 8, a front gear box, 9, an air guide cone, 10, a rear carbon brush device, 11, a rear generator, 12, a rear gear box, 13, a tail wing, 14, a casing, 15, a cooling sheet, 16, a regulator assembly, 17, a fan blade connecting plate, 18, a fan blade connecting pier, 19, a movable fan blade, 20, a potential energy regulating spring, 21, a spring head, 22, a side hole, 23, an upper bearing position, 24, a lower bearing position, 25, a connecting plate shaft, 26, a positioning pin, 27, a screw rod, 28, a worm seat plate, 29, a worm wheel, 30, a pin hole, 31, a fixing pin, 32, a worm shaft, 33, a bearing seat, 34, a speed reducing remote control motor, 35, a winding coil, 36, a permanent magnet rotor, 37, an electric drive lead wire, 38 and, 39. an inner rotor bearing 40, an oil separation plate 41, an oil seal ring 42, a support disc 43, a gear set 44, an inner gear ring 45, a transmission gear 46, a first shaft pinion gear 47, a first shaft gear 48, a second shaft pinion gear 49, a second shaft gear 50, an inner rotor cylinder shaft gear 51, an end cover 52, an end cover fixing bolt 53, an outer rotor bearing 54, a sealing ring 55, a cover plate 56, a cover plate fixing bolt 57, a carbon brush frame 58, a carbon brush wire 59, a winding output carbon brush 60, an end cover bearing sealing ring seat 61, an insulating sleeve 62, a collector slip ring 63, a winding output wire 64 and a positioning pin hole.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the resulting manner or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or point connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With reference to the attached drawings, the efficient hollow dead axle type fan blade counter-rotating wind power generation device comprises a tower frame 1, wherein a hollow dead axle 2 is arranged at the top of the tower frame 1, the hollow dead axle 2 is rotatably connected with the tower frame 1 through a millstone type connector 3, a front end connector 4 is arranged at the front end of the hollow dead axle 2, and a rear end connector 5 is arranged at the rear end of the hollow dead axle 2;
the end part of the front end connector 4 far away from the hollow fixed shaft 2 is sequentially provided with a front carbon brush 6, a front generator 7, a front gear box 8 and an air guide cone 9;
the end part of the rear end connector 5 far away from the hollow fixed shaft 2 is sequentially provided with a rear carbon brush 10, a rear generator 11, a rear gear box 12 and a tail wing 13;
the front generator 7 and the rear generator 11 comprise a casing 14, a plurality of cooling fins 15 are horizontally arranged outside the casing 14, and a regulator assembly 16 is further arranged on the casing 14;
the regulator assembly 16 comprises a fan blade connecting plate 17, a fan blade connecting pier 18 is arranged on the fan blade connecting plate 17, a movable fan blade 19 is connected to the end of the fan blade connecting plate 17, a potential energy regulating spring 20 is sleeved outside the fan blade connecting pier 18, the top end of the potential energy regulating spring 20 is a spring head 21, an edge hole 22 is formed in the fan blade connecting plate 17, and the spring head 21 penetrates through the edge hole 22;
the fan blade connecting pier 18 comprises an upper bearing position 23 and a lower bearing position 24, the upper bearing position 23 is fixedly connected with the fan blade connecting plate 17, a connecting plate shaft 25 is fixedly arranged between the upper bearing position 23 and the lower bearing position 24, the connecting plate shaft 25 is fixed inside the fan blade connecting pier 18 through the upper bearing position 23 and the lower bearing position 24 and is locked by a locking nut, a positioning pin 26 is sleeved outside the connecting plate shaft 25, the positioning pin 26 is arranged in a positioning pin hole 64 between the upper bearing position 23 and the lower bearing position 24, and a lead screw 27 is arranged at the bottom of the lower bearing position 24;
the bottom of potential energy regulating spring 20 is equipped with worm bedplate 28, the last worm wheel 29 that cup joints of worm bedplate 28, be equipped with a plurality of pinholes 30 on the worm wheel 29, potential energy regulating spring 22 bottom welding is equipped with a plurality of fixed pins 31, fixed pin 31 is fixed in the pinhole 30, be equipped with worm shaft 32 on the worm bedplate 28, fixed by bearing frame 33, the one end connection of worm shaft 32 is equipped with speed reduction remote control motor 34.
A winding coil 35, a permanent magnet rotor 36 and an electric drive winding lead-out wire 37 are arranged in the machine shell 14, the permanent magnet rotor 36 is fixed on a cylinder shaft 38, the cylinder shaft 38 is supported on the hollow fixed shaft 2 through an inner rotor bearing 39, oil separation plates 40 are arranged on the inner walls of the cylinder shaft 38 and the machine shell 14, and an oil seal ring 41 is arranged between the oil separation plates 40 and the outer wall of the cylinder shaft 38;
the casing 14 is cylindrical, a support disc 42 is arranged in the casing 14, two sets of gear sets 43 are arranged on the support disc 42, the support disc 42 is fixed on the hollow fixed shaft 2 through a support fixing pin 31, an inner toothed ring 44, a transmission gear 45, a first shaft pinion 46, a first shaft pinion 47, a second shaft pinion 48, a second shaft pinion 49 and an inner rotor shaft gear 50 are fixedly arranged on the inner wall of the casing 14, the inner toothed ring 44 is meshed with the transmission gear 45, the transmission gear 45 is meshed with the first shaft pinion 46, the first shaft pinion 47 is meshed with the second shaft pinion 48, and the second shaft pinion 49 is meshed with the inner rotor shaft gear 50.
End covers 51 are arranged at the front end and the rear end of the front generator 7 and the rear generator 11, the end covers 51 are fixed at the two ends of the casing 14 through end cover fixing bolts 52 and are fixed on the hollow dead axle 2 through an outer rotor bearing 53, a sealing ring 54 is arranged between the end cover 51 and the hollow dead axle 2, and the sealing ring 54 is fixedly pressed through a cover plate 55 and a cover plate fixing bolt 56.
The front carbon brush 6 and the rear carbon brush 10 both comprise a carbon brush holder 57, the carbon brush holder 57 is fixedly arranged on the hollow fixed shaft 2, a carbon brush wire 58 is arranged on the carbon brush holder 57, and a winding output carbon brush 59 is arranged on the carbon brush wire 58.
An end cover bearing seal ring seat 60 is arranged on the outer side of the seal ring 54, an insulating sleeve 61 is arranged on the outer wall of the end cover bearing seal ring seat 60, a current collection slip ring 62 is fixedly arranged on the insulating sleeve 61, an electric drive winding lead-out wire 37 penetrates through the current collection slip ring 62, a winding output carbon brush 59 conducts a winding output wire 63, and the winding output wire 63 penetrates into a hole of the hollow fixed shaft 2 and is electrically connected to a grid-connected control box.
The fan blade connecting pier 18 is connected with the front generator 7, the rear generator 11 and the movable fan blade 19 through bolts.
The number of the movable fan blades 19 outside the front generator 7 is 2, and the number of the movable fan blades 19 outside the rear generator 11 is 4.
When the invention is implemented, the bottom of the tower is provided with an automatic control power distribution room, the top of the tower is provided with a millstone type connector, and the unit comprises a phase
The counter-rotating generator comprises a counter-rotating front generator and a counter-rotating rear generator which are coaxially connected with each other, wherein a fixed shaft of the counter-rotating generator is a hollow shaft, and an output line of the counter-rotating generator enters a tower frame to a power distribution room through the hollow shaft. When the wind power is weakened, the wind power potential energy and the elastic potential energy are in inverse proportion, and the blade is driven back to the position angle with equal potential energy by the spring action, so that the constant power and the rotating speed operation are maintained, and when the wind power is no wind, the wind power can be automatically off-grid and the machine is stopped. The tower frame is supported by cylindrical reinforced concrete or an iron tower frame, the blades of the front generator are only arranged into two blades, the blades of the rear generator are arranged into four blades to form a cross shape, the blade tips cannot be too long and too thin for reducing noise and vibration, the proper windward area width is suitable, the windward side is required to be flat, the leeward side is arranged into a semicircular shape to increase the wind resistance strength, the length and the width of the blades are determined according to the rated function of the generator, and the grounding wire passes through the blade tips, the fixed shaft, the tower frame and the grounding.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (4)

1. The utility model provides a high-efficient hollow dead axle formula fan blade is to rotating type wind power generation set, includes the pylon, its characterized in that: the top of the tower frame is provided with a hollow fixed shaft, the hollow fixed shaft is rotatably connected with the tower frame through a millstone type connector, the front end of the hollow fixed shaft is provided with a front end connector, and the rear end of the hollow fixed shaft is provided with a rear end connector;
the end part of the front end connector, which is far away from the hollow fixed shaft, is sequentially provided with a front carbon brush, a front generator, a front gearbox and an air guide cone;
the end part of the rear end connector far away from the hollow fixed shaft is sequentially provided with a rear carbon brush, a rear generator, a rear gear box and a tail wing;
the front generator and the rear generator comprise a shell, a plurality of cooling fins are horizontally arranged outside the shell, and a regulator assembly is further arranged on the shell;
the regulator assembly comprises a fan blade connecting plate, a fan blade connecting pier is arranged on the fan blade connecting plate, a movable fan blade is connected to the end of the fan blade connecting plate, a potential energy regulating spring is sleeved outside the fan blade connecting pier, the top end of the potential energy regulating spring is a spring head, an edge hole is formed in the fan blade connecting plate, and the spring head penetrates through the edge hole;
the fan blade connecting pier comprises an upper bearing position and a lower bearing position, the upper bearing position is fixedly connected with the fan blade connecting plate, a connecting plate shaft is fixedly arranged between the upper bearing position and the lower bearing position, the connecting plate shaft is fixed inside the fan blade connecting pier through the upper bearing position and the lower bearing position and locked by a locking nut, a positioning pin is sleeved outside the connecting plate shaft and is arranged in a positioning pin hole between the upper bearing position and the lower bearing position, and a lead screw is arranged at the bottom of the lower bearing position;
the bottom of the potential energy adjusting spring is provided with a worm seat plate, a worm wheel is sleeved on the worm seat plate, a plurality of pin holes are formed in the worm wheel, a plurality of fixing pins are welded to the bottom of the potential energy adjusting spring and fixed in the pin holes, a worm shaft is arranged on the worm seat plate and fixed through a bearing seat, and one end of the worm shaft is connected with a speed reduction remote control motor.
2. The wind power generation device of claim 1, wherein the wind power generation device comprises: a winding coil, a permanent magnet rotor and an electric drive winding lead-out wire are arranged in the shell, the permanent magnet rotor is fixed on a cylinder shaft, the cylinder shaft is supported on the hollow fixed shaft by an inner rotor bearing, oil separation plates are arranged on the inner walls of the cylinder shaft and the shell, and an oil seal ring is arranged between the oil separation plates and the outer wall of the cylinder shaft;
the shell is cylindrical, a support disc is arranged in the shell, two groups of gear sets are arranged on the support disc, the support disc is fixed on the hollow fixed shaft through a support fixing pin, an inner toothed ring, a transmission gear, a first shaft pinion, a first shaft gear wheel, a second shaft pinion, a second shaft gear wheel and an inner rotor cylinder shaft gear are fixedly arranged on the inner wall of the shell, the inner toothed ring is meshed with the transmission gear, the transmission gear is meshed with the first shaft pinion, the first shaft gear wheel is meshed with the second shaft pinion, and the second shaft gear wheel is meshed with the inner rotor cylinder shaft gear.
The front end and the rear end of the front generator and the rear generator are respectively provided with an end cover, the end covers are fixed at the two ends of the casing by end cover fixing bolts and are fixed on the hollow fixed shaft by an outer rotor bearing, a sealing ring is arranged between each end cover and the hollow fixed shaft, and the sealing rings are fixedly compressed by a cover plate and a cover plate fixing bolt.
The front carbon brush device and the rear carbon brush device both comprise carbon brush frames, the carbon brush frames are fixedly arranged on the hollow fixed shaft, carbon brush wires are arranged on the carbon brush frames, and winding output carbon brushes are arranged on the carbon brush wires.
The outer side of the sealing ring is provided with an end cover bearing sealing ring seat, the outer wall of the end cover bearing sealing ring seat is provided with an insulating sleeve, a current collection slip ring is fixedly arranged on the insulating sleeve, an outgoing line of the electric drive winding penetrates through the current collection slip ring, a winding output carbon brush conducts a winding output line, the winding output line penetrates into a hole of the hollow fixed shaft, and the electric connection is carried out to a grid-connected control box.
3. The wind power generation device of claim 1, wherein the wind power generation device comprises: the fan blade connecting piers are connected with the front-end generator, the rear-end generator and the movable fan blade through bolts.
4. The wind power generation device of claim 1, wherein the wind power generation device comprises: the number of the movable fan blades outside the front generator is 2, and the number of the movable fan blades outside the rear generator is 4.
CN202011412700.3A 2020-12-04 2020-12-04 Efficient hollow fixed-shaft type fan blade contra-rotating wind power generation device Withdrawn CN112610417A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115182848A (en) * 2022-09-09 2022-10-14 山西润世华新能源技术服务有限公司 Wind generating set

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115182848A (en) * 2022-09-09 2022-10-14 山西润世华新能源技术服务有限公司 Wind generating set

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