CN114776507A - But changes paddle turbine of automatically regulated paddle angle - Google Patents
But changes paddle turbine of automatically regulated paddle angle Download PDFInfo
- Publication number
- CN114776507A CN114776507A CN202210478784.3A CN202210478784A CN114776507A CN 114776507 A CN114776507 A CN 114776507A CN 202210478784 A CN202210478784 A CN 202210478784A CN 114776507 A CN114776507 A CN 114776507A
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- Prior art keywords
- paddle
- shell
- transmission shaft
- wheel
- inner chamber
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/14—Rotors having adjustable blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/006—Sealing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/14—Rotors having adjustable blades
- F03B3/145—Mechanisms for adjusting the blades
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention relates to the technical field of water turbines, and discloses a paddle-rotating type water turbine capable of automatically adjusting the angle of a paddle, which comprises a shell, wherein one end of the shell is provided with a water inlet pipe, the other end of the shell is provided with a water outlet pipe, the middle part of an inner cavity of the shell is movably connected with a rotating wheel, the middle part of the inner cavity of the rotating wheel is movably connected with a large gear, the outer ring of the rotating wheel is uniformly connected with a paddle through a connecting rod, and one end of the rotating rod is connected with a small gear. This but paddle angle's changes paddle turbine automatically, through the setting of rotation motor, gear wheel and pinion, the rotation of rotation motor can drive the gear wheel rotation of being connected with it, and the gear wheel can drive the paddle through the pinion with it meshing and rotate, and the paddle in this turbine can be quick adjusts the angle of prejudice, the use of this turbine of being convenient for, and paddle regulation simple structure on this turbine, convenient to use, easily production.
Description
Technical Field
The invention relates to the technical field of water turbines, in particular to a Kaplan turbine capable of automatically adjusting blade angles.
Background
The blade angle of the runner can be adjusted to adapt to the change of a water head and flow rate and maintain the axial flow type water turbine with high efficiency.
Compared with the traditional paddle operating mechanisms of a Kaplan turbine, the two paddle operating mechanisms are provided, one is that a double-acting piston (piston moving) is matched with an operating frame with an ear handle at one end, and then a paddle rocker arm is driven by a connecting rod; the other double-acting piston cylinder (the movable piston of the cylinder is not movable) is provided with an ear handle fork head directly at one side end, and a blade rocker arm is driven by a connecting rod.
Two kinds of operating device need use a connecting rod to transmit power, but not the driving part directly drives the blade rocker arm, there are two sets of friction pairs and related parts at the connecting rod both ends, the occupied space is big and the part is in large quantity, the reliability of connecting piece also receives the influence, and two kinds of typical paddle operating device are all difficult, more frequent in the design, its main supporting part runner hub is inside and outside bilayer, the casting, the processing degree of difficulty is big, and the hydraulic turbine is when using, the axis of rotation and the shell that are connected with the generator are under the effect of friction, the axis of rotation can take place the loss, can't be sealed completely between axis of rotation and shell, the inside water of hydraulic turbine can flow out, influence the use of hydraulic turbine, for this reason, provide a but the rotary paddle angle's of automatically regulated water turbine.
Disclosure of Invention
To prior art's not enough, but this application provides a but the Kaplan turbine of automatically regulated paddle angle possesses simple structure, and convenient to use, the deflection angle of paddle is adjusted according to the demand that can be quick, is convenient for change the friction pad, guarantees the leakproofness between pivot and shell, convenient to use has solved the problem of proposing in the above-mentioned background art.
The technical scheme of the invention is as follows: a paddle-rotating type water turbine capable of automatically adjusting blade angles comprises a shell, wherein one end of the shell is provided with a water inlet pipe, the other end of the shell is provided with a water outlet pipe, the middle part of an inner cavity of the shell is movably connected with a rotating wheel, the middle part of the inner cavity of the rotating wheel is movably connected with a large gear, the outer ring of the rotating wheel is uniformly connected with blades through a connecting rod, one end of the connecting rod is connected with a small gear, the large gear is meshed with the small gear, the middle part of the inner cavity of the rotating wheel is provided with a battery, the other end of the inner cavity of the rotating wheel is connected with a rotating motor, the tail end of an output shaft of the rotating motor is connected with the middle part of one surface of the large gear, the middle part of the top of the rotating wheel is connected with a transmission shaft, the top end of the inner cavity of the shell is provided with a through hole, the other end of the transmission shaft extends to the outer side of the shell through hole, and the inner cavity of the through hole is movably connected with a friction structure, the transmission shaft is connected with the friction structure through a connecting piece, a power generation structure is arranged in the middle of the top of the shell, and the other end of the transmission shaft is connected with the power generation structure.
Preferably, the internal diameter of the water inlet pipe is gradually reduced, the internal diameter of one end, close to the shell, of the water inlet pipe is smaller than that of the other end of the water inlet pipe, the flow speed of water flow in the water inlet pipe is gradually increased through the arrangement of the size of the water inlet pipe, and the power generation efficiency of the water turbine is improved.
Preferably, the transmission shaft middle part is equipped with the rectangular channel, the both sides of transmission shaft bottom all are equipped with the fixed slot, the inner chamber adaptation of connection piece and fixed slot through the setting of rectangular channel, is convenient for supply power for rotating the storage battery in the wheel.
Preferably, the friction structure includes two semi-rings, the internal diameter and the transmission shaft adaptation of semi-ring, semi-ring and through hole adaptation, just the semi-ring passes through threaded connection with the connection piece, and through the setting of friction structure, the user can be quick changes friction structure as required, guarantees the leakproofness between transmission shaft and shell.
Preferably, the top of through hole is connected with the test ring, the bottom of test ring is inlayed and is had humidity transducer, through humidity transducer's setting, can real-time detection through hole whether leak, according to the condition of leaking of through hole, judges whether friction structure needs to be changed.
Preferably, the middle part at storage battery top is connected with the cylinder, cylinder and the lateral wall swing joint who rotates the wheel, and the cylindrical top is connected with the rectangular block, the inner chamber adaptation of rectangular block and rectangular channel, just the material of cylinder and rectangular block all has electric conductivity, through the setting of cylinder and rectangular block, is convenient for storage battery circular telegram.
Preferably, the bottom of rotating the wheel is equipped with the sealing ring, the top of sealing ring is connected with the top cap, gear wheel and pinion are located the cavity that sealing ring and top cap formed, and the bottom and the paddle contact of sealing ring, through the setting of sealing ring, can guarantee the leakproofness of gear wheel and pinion position, can prevent external water and gear contact, cause the gear to rust, influence the accuracy of paddle angle modulation.
Preferably, the middle part of paddle one end is equipped with the through-hole with the connecting rod adaptation, the shape of this end of paddle is circular, just the surface connection of this end of paddle has the gasket, through the setting of gasket, has improved the frictional force and the leakproofness between paddle and the rotation wheel, the maintenance of the paddle angle of being convenient for and the leakproofness of guaranteeing the rotation wheel.
Preferably, the semi-ring is made of rubber, an inflation bag is filled in the middle of an inner cavity of the semi-ring, and the semi-ring is tightly attached to the inner wall of the through hole under the action of the elastic force of the inflation bag, so that the sealing performance of the through hole is improved.
Preferably, the shape of connection piece is the C type, the surface parcel of connection piece has the slipmat, through the setting of slipmat, has increased the frictional force between connection piece and semi-ring and the transmission shaft, has improved the fastness that the connection piece is connected.
The beneficial effects of the invention are:
1. this but paddle angle's changes paddle turbine automatically, through the setting of rotation motor, gear wheel and pinion, the rotation of rotation motor can drive the gear wheel rotation of being connected with it, and the gear wheel can drive the paddle through the pinion with it meshing and rotate, and the paddle in this turbine can be quick adjusts the angle of prejudice, the use of this turbine of being convenient for, and paddle regulation simple structure on this turbine, convenient to use, easily production.
2. This but paddle angle's change paddle turbine automatically regulated, through the setting of friction structure and connection piece, friction structure and transmission shaft can be quick be connected or the separation, and this turbine takes place the friction between friction structure and the shell in the use, and the change friction structure that the user can be quick guarantees the frictional property between transmission shaft and shell.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is an exploded view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic semi-ring cross-sectional view of the present invention;
FIG. 4 is an exploded view of a rotating wheel according to the present invention;
FIG. 5 is a schematic cross-sectional view of the runner of the present invention;
FIG. 6 is a schematic view of the connection principle between the transmission shaft and the cylinder according to the present invention.
In the figure: 1. a housing; 2. a water outlet pipe; 3. a water inlet pipe; 4. a power generating structure; 5. a drive shaft; 6. a test ring; 7. a paddle; 8. semi-ring; 9. fixing grooves; 10. connecting sheets; 11. a rectangular block; 12. a rotating wheel; 13. a connecting rod; 14. a pinion gear; 15. a bull gear; 16. a seal ring; 17. a top cover; 18. sealing the sheet; 19. storing the battery; 20. a rotation motor; 21. a cylinder; 22. a rectangular groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Please refer to fig. 1, a but turbine of rotary blade type of automatically regulated paddle angle, including shell 1, the one end of shell 1 is equipped with inlet tube 3, the internal diameter of inlet tube 3 is dwindling gradually, the internal diameter that inlet tube 3 is close to the one end of shell 1 is less than the internal diameter of its other end, and the internal diameter that inlet tube 3 is close to the one end of shell 1 is half of the other end internal diameter, through the setting of inlet tube 3 size, the speed of the water that flows in inlet tube 3 is crescent, can be effectual the generating efficiency of this turbine that improves, the other end of shell 1 is equipped with outlet pipe 2, through the setting of outlet pipe 2, be convenient for discharge the water in this turbine, the middle part at shell 1 top is connected with power generation structure 4, power generation structure 4 is prior art, no redundant description here, power generation structure 4's bottom is connected with transmission shaft 5.
Please refer to fig. 2 and 3, the middle part of the inner cavity of the housing 1 is movably connected with a rotating wheel 12, the top of the inner cavity of the housing 1 is provided with a through hole, the transmission shaft 5 is in threaded connection with the middle part of the top of the rotating wheel 12 through the through hole, both sides of the bottom end of the transmission shaft 5 are provided with fixing grooves 9, a connecting sheet 10 is clamped in the inner cavity of the fixing grooves 9, the inner cavity of the through hole is movably connected with a friction structure, the friction structure is connected with the transmission shaft 5 through the connecting sheet 10, the transmission shaft 5 is indirectly contacted with the through hole through the friction structure, the loss of the transmission shaft 5 due to friction can be prevented, and the service life of the transmission shaft 5 is prolonged.
The top of through hole is connected with test ring 6, and test ring 6's bottom is inlayed and is had humidity transducer, through humidity transducer's setting, can detect whether the contact site of shell and transmission shaft takes place to leak, and the person of facilitating the use judges the friction structure according to the result that detects and whether takes place to change.
The friction structure comprises two half rings 8, the inner diameter of each half ring 8 is matched with the transmission shaft 5, the half rings 8 are matched with the through holes, the half rings 8 are connected with the connecting pieces 10 through threads, the half rings 8 are made of rubber, the middle of the inner cavity of each half ring 8 is filled with an inflatable bag, and when the half rings 8 are used, the inflatable bags are in a compressed state, and through arrangement of the inflatable bags, along with consumption of the half rings 8, the resilience force of the inflatable bags can enable the half rings 8 to expand, the sealing performance between the half rings 8 and the through holes is improved, and the service life of the half rings 8 is prolonged.
The shape of connection piece 10 is C, be equipped with the fixed slot 9 with connection piece 10 adaptation on the semi-ring 8, and the distance value between this fixed slot and the connection piece 10 top is half of the distance value between semi-ring 8 inner chamber top and the semi-ring 8 top, when can preventing that connection piece 10 is connected with semi-ring 8 with the bolt, puncture the gas cell, influence the result of use of semi-ring 8, be convenient for link together transmission shaft and semi-ring 8 with connection piece 10, the surface coating of connection piece 10 has the slipmat, setting through the slipmat, the frictional force between connection piece 10 and semi-ring 8 and the transmission shaft has been increased, the fastness that connection piece 10 connects has been improved.
Referring to fig. 4 to 6, a cylinder 21 is movably connected to the middle of the top end of the inner cavity of the rotating wheel 12, the top of the cylinder is connected with a rectangular block 11, the rectangular block 11 is adapted to the inner cavity of the rectangular groove 22, the materials of the cylinder 21 and the rectangular block 11 are both conductive, the materials of the cylinder 21 and the rectangular block 11 are copper, the bottom of the cylinder 21 is connected with the top of the storage battery 19, the storage battery 19 is located in the inner cavity of the rotating wheel 12, and the storage battery 19 is conveniently charged through the arrangement of the cylinder 21 and the rectangular block 11.
The bottom in the middle of the inner chamber of the rotating wheel 12 is connected with a rotating motor 20, the tail end of an output shaft of the rotating motor 20 is connected with the middle of the top of a large gear 15, the rotating motor 20 can drive the large gear 15 connected with the rotating motor to rotate, the outer ring of the rotating wheel 12 is movably connected with a connecting rod 13, a paddle 7 is clamped on the outer ring of the connecting rod 13, the bottom of the connecting rod 13 is connected with a small gear 14, the large gear 15 is meshed with the small gear 14, the large gear 15 and the small gear 14 are meshed with each other, the small gear 15 can be driven to rotate by rotation of the large gear 15, the paddle 7 is driven to rotate by the small gear 14 through the connecting rod 13 connected with the small gear, the deflection angle of the paddle 7 can be quickly adjusted, and the water turbine can be conveniently used.
The middle part of paddle 7 one end is equipped with the through-hole with connecting rod 13 adaptation, and the shape of this end of paddle 7 is circular, and the surface connection of this end of paddle 7 has gasket 18, and gasket 18 is the gas cell, through the setting of gasket 18, can prevent that water from entering into the inner chamber that rotates wheel 12, has improved the leakproofness that rotates wheel 12 inner chamber.
The bottom of the rotating wheel 12 is provided with a sealing ring 16, the top of the sealing ring 16 is connected with a top cover 17, the large gear 15 and the small gear 14 are located in a cavity formed by the sealing ring 16 and the top cover 17, the bottom of the sealing ring 16 is in contact with the paddle 7, and the sealing performance of the inner cavity of the rotating wheel 12 is guaranteed through the arrangement of the sealing ring 16, so that the gears are prevented from rusting, and the accuracy of angle adjustment of the paddle 7 is influenced.
The working principle is as follows: during the use, rivers enter into the inner chamber of shell 1 from inlet tube 3, rivers promote paddle 7 to rotate, paddle 7 drives and rotates wheel 12 and rotates, it drives power generation structure 4 through the transmission shaft 5 of being connected with it and rotates to rotate wheel 12, power generation structure 4 can generate electricity, rivers in the shell 1 are discharged from the outlet pipe, when the deflection angle of paddle 7 needs to be adjusted, start rotation motor 20, the rotation of rotation motor 20 drives the gear wheel 15 of being connected with it and rotates, gear wheel 15 drives paddle 7 through the pinion 14 with it meshing and rotates, the change that the deflection angle of paddle 7 can be quick, the use of this hydraulic turbine of being convenient for.
It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (10)
1. A but paddle-rotating turbine of automatically regulated paddle angle, includes shell (1), its characterized in that: the one end of shell (1) is equipped with inlet tube (3), the other end of shell (1) is equipped with outlet pipe (2), the middle part swing joint of shell (1) inner chamber has rotation wheel (12), the middle part swing joint who rotates wheel (12) inner chamber has gear wheel (15), the outer lane that rotates wheel (12) evenly is connected with paddle (7) through connecting rod (13), and the one end of connecting rod (13) is connected with pinion (14), gear wheel (15) and pinion (14) meshing, the middle part of rotating wheel (12) inner chamber is equipped with battery (19), the other end of rotating wheel (12) inner chamber is connected with rotation motor (20), the output shaft end of rotation motor (20) is connected with the middle part of gear wheel (15) one side, the middle part at rotation wheel (12) top is connected with transmission shaft (5), the top of shell (1) inner chamber is equipped with the through hole, the other end of transmission shaft (5) extends to the outside of shell (1) through the through hole, just the inner chamber swing joint of through hole has the friction structure, transmission shaft (5) are connected through connection piece (10) with the friction structure, the middle part at shell (1) top is equipped with electricity generation structure (4), the other end and the electricity generation structure (4) of transmission shaft (5) are connected.
2. A Kaplan turbine capable of automatically adjusting a blade angle according to claim 1, wherein: the inner diameter of the water inlet pipe (3) is gradually reduced, and the inner diameter of one end, close to the shell (1), of the water inlet pipe (3) is smaller than that of the other end of the water inlet pipe.
3. A Kaplan turbine capable of automatically adjusting a blade angle according to claim 1, wherein: the utility model discloses a transmission shaft, including transmission shaft (5), connection piece (10), transmission shaft (5) middle part is equipped with rectangular channel (22), the both sides of transmission shaft (5) bottom all are equipped with fixed slot (9), the inner chamber adaptation of connection piece (10) and fixed slot (9).
4. A Kaplan turbine capable of automatically adjusting a blade angle according to claim 1, wherein: the friction structure comprises two semi-rings (8), the inner diameters of the semi-rings (8) are matched with the transmission shaft (5), the semi-rings (8) are matched with the through holes, and the semi-rings (8) are connected with the connecting pieces (10) through threads.
5. A Kaplan turbine capable of automatically adjusting a blade angle according to claim 1, wherein: the top of through hole is connected with test ring (6), the bottom of test ring (6) is inlayed and is had humidity transducer.
6. A Kaplan turbine capable of automatically adjusting a blade angle according to claim 1, wherein: the middle part at storage battery (19) top is connected with cylinder (21), and cylinder (21) and the lateral wall swing joint who rotates wheel (12), cylindrical top are connected with rectangular block (11), the inner chamber adaptation of rectangular block (11) and rectangular channel (22), just the material of cylinder (21) and rectangular block (11) all has electric conductivity.
7. A Kaplan turbine capable of automatically adjusting the blade angle according to claim 1, wherein: the bottom of rotating wheel (12) is equipped with sealing ring (16), the top of sealing ring (16) is connected with top cap (17), gear wheel (15) and pinion (14) are located the cavity that sealing ring (16) and top cap (17) formed, and the bottom and paddle (7) contact of sealing ring (16).
8. A Kaplan turbine capable of automatically adjusting the blade angle according to claim 1, wherein: the middle part of one end of the paddle (7) is provided with a through hole matched with the connecting rod (13), the end of the paddle (7) is circular, and the outer surface of the end of the paddle (7) is connected with a sealing sheet (18).
9. The Kaplan turbine of claim 4, wherein the blade angle is automatically adjustable by: the material of semi-ring (8) is rubber, the middle part of semi-ring (8) inner chamber is filled with the gas cell.
10. A Kaplan turbine capable of automatically adjusting the blade angle according to claim 1, wherein: the connecting piece (10) is C-shaped, and the outer surface of the connecting piece (10) is wrapped with a non-slip mat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210478784.3A CN114776507B (en) | 2022-05-05 | 2022-05-05 | Rotary blade water turbine capable of automatically adjusting blade angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210478784.3A CN114776507B (en) | 2022-05-05 | 2022-05-05 | Rotary blade water turbine capable of automatically adjusting blade angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114776507A true CN114776507A (en) | 2022-07-22 |
| CN114776507B CN114776507B (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210478784.3A Active CN114776507B (en) | 2022-05-05 | 2022-05-05 | Rotary blade water turbine capable of automatically adjusting blade angle |
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| Country | Link |
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| CN (1) | CN114776507B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003120499A (en) * | 2001-10-15 | 2003-04-23 | Masaru Ijuin | Wind mill/water turbine with vertical axis, wave activated generator, and wind power generator |
| CN201687757U (en) * | 2010-03-20 | 2010-12-29 | 练荣辉 | Bearing structure for canned motor pump with few abrasion |
| CN102392775A (en) * | 2011-09-14 | 2012-03-28 | 浙江大学 | Pitch varying mechanism for horizontal shaft ocean current energy generator |
| CN204061032U (en) * | 2014-08-02 | 2014-12-31 | 金华中科机电研究所 | Hydroelectric installation |
| CN204163915U (en) * | 2014-10-23 | 2015-02-18 | 梅州客都物业管理有限公司 | A kind of corrosion protection efficient water turbine |
| CN112128038A (en) * | 2020-09-19 | 2020-12-25 | 湖南九耐环保科技发展有限公司 | Adjustable impeller structure and hydroelectric power generation equipment |
| CN112177833A (en) * | 2019-07-03 | 2021-01-05 | 高邮市大江泵业有限公司 | Water turbine with blades convenient to replace |
| CN215109260U (en) * | 2021-05-17 | 2021-12-10 | 西安航空学院 | Energy recovery device for water heater |
-
2022
- 2022-05-05 CN CN202210478784.3A patent/CN114776507B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003120499A (en) * | 2001-10-15 | 2003-04-23 | Masaru Ijuin | Wind mill/water turbine with vertical axis, wave activated generator, and wind power generator |
| CN201687757U (en) * | 2010-03-20 | 2010-12-29 | 练荣辉 | Bearing structure for canned motor pump with few abrasion |
| CN102392775A (en) * | 2011-09-14 | 2012-03-28 | 浙江大学 | Pitch varying mechanism for horizontal shaft ocean current energy generator |
| CN204061032U (en) * | 2014-08-02 | 2014-12-31 | 金华中科机电研究所 | Hydroelectric installation |
| CN204163915U (en) * | 2014-10-23 | 2015-02-18 | 梅州客都物业管理有限公司 | A kind of corrosion protection efficient water turbine |
| CN112177833A (en) * | 2019-07-03 | 2021-01-05 | 高邮市大江泵业有限公司 | Water turbine with blades convenient to replace |
| CN112128038A (en) * | 2020-09-19 | 2020-12-25 | 湖南九耐环保科技发展有限公司 | Adjustable impeller structure and hydroelectric power generation equipment |
| CN215109260U (en) * | 2021-05-17 | 2021-12-10 | 西安航空学院 | Energy recovery device for water heater |
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| Publication number | Publication date |
|---|---|
| CN114776507B (en) | 2023-10-03 |
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