CN111120182B - Empennage self-yaw type half-rotation impeller water turbine - Google Patents

Empennage self-yaw type half-rotation impeller water turbine Download PDF

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Publication number
CN111120182B
CN111120182B CN201911346620.XA CN201911346620A CN111120182B CN 111120182 B CN111120182 B CN 111120182B CN 201911346620 A CN201911346620 A CN 201911346620A CN 111120182 B CN111120182 B CN 111120182B
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connecting shaft
fixedly connected
rotating arm
gear
rectangular blade
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CN111120182A (en
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王孝义
刘聪
于晓峰
张玉华
邱支振
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Anhui University of Technology AHUT
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Anhui University of Technology AHUT
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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
    • 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
    • F03B11/02—Casings
    • 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
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • 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
    • F03B15/00—Controlling
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Turbines (AREA)

Abstract

The invention discloses a tail fin self-yawing type half-rotation impeller water turbine, and belongs to the technical field of new energy. This hydraulic turbine keeps its law of motion to rotate the round for the output shaft through gear drive, and the hydraulic turbine blade changes half a circle, and the phase difference between two blades is 90, and the bearing is connected at the outer frame top of this hydraulic turbine, and the rear end of outer frame links to each other with water droplet type fin, and along with the change of rivers direction, the power of rivers effect on the fin can produce a driftage moment to outer frame to drive the hydraulic turbine deflection, make it just to the rivers direction, reduce the influence of rivers declination angle to hydraulic turbine efficiency. The empennage self-yaw type half-rotation impeller water turbine provided by the invention has the characteristics that the empennage self-yaw mechanism is adopted to reduce the consumption of electric quantity of a small water turbine, the applicable water area is wide, and the like.

Description

Empennage self-yaw type half-rotation impeller water turbine
The technical field is as follows:
the invention belongs to the technical field of new energy, and particularly relates to a tail fin self-yawing type half-turn water turbine.
Background art:
energy is the urgent problem that human existence and development must solve at present, and strengthening the development of green pollution-free new energy is the urgent demand of global mankind, and ocean energy is one of green pollution-free new energy, and it is renewable and abundant clean energy of reserves. The hydraulic turbine can be with the power machinery of the energy conversion rotational mechanical energy of rivers, therefore can turn into our required electric energy with ocean energy, however to present many hydraulic turbines, can also keep efficient electricity generation for guaranteeing when rivers flow direction changes, what adopt usually is that motor or hydraulic drive hydraulic turbine aim at the incoming flow direction, this is huge to the consumption of miniaturized hydraulic turbine electric quantity, need measurement system such as sensor again for the change that detects rivers flow direction simultaneously, its operational reliability in aqueous will hardly guarantee. And the water drop type tail wing self-yawing mechanism is adopted, so that the cost is reduced without detection devices such as sensors and the like, the power consumption of active yawing is reduced, and the streamline tail wing structure is more suitable for water.
The invention content is as follows:
the invention provides a tail fin self-yawing type half-turn impeller water turbine aiming at the technical problems of the existing water turbine, wherein the tail fin is adopted to act on the force on the tail fin when the flow direction of water flow is changed to drive the water turbine to deflect so as to realize the aim of facing the water flow direction, and the water turbine has the characteristics of reduced electric quantity consumption, low manufacturing cost, wide applicable water area and high power generation efficiency.
The invention provides a tail wing self-yaw type half-turn impeller water turbine which comprises an output shaft 1, a bearing 2, a left short connecting shaft 3a, a right short connecting shaft 3b, a disc top seat 4, a left long connecting shaft 5a, a right long connecting shaft 5b, an upper reversing joint 6, an upper connecting shaft 7, a water drop type tail wing 8, a right upright post 9, a lower connecting shaft 10, a lower reversing joint 11, a disc base 12, a connecting shaft 13, a lower rotating arm 14, a left rectangular blade 15, a right rectangular blade 16, a left upright post 17, an upper rotating arm 18, a gear set 19, a connecting plate 20 and an inner bolt set 23.
The output shaft 1 penetrates through the disc top seat 4, the connecting plate 20 and the fixed wheel 19c to be fixedly connected with the upper rotating arm 18, and bearing seats are arranged on the disc top seat 4 and the connecting plate 20 and used for installing and positioning the output shaft 1; the inner ring of the bearing 2 is fixedly connected with the disc top seat 4 through the inner bolt group 23, and the outer ring of the bearing 2 is fixedly connected with the fixed type underwater platform 21 through the outer bolt group 22.
The upper end of the water drop type tail wing 8 is fixedly connected with one end of the upper connecting shaft 7, the other end of the upper connecting shaft 7 is fixedly connected with the upper reversing joint 6 through a middle through hole of the upper reversing joint 6, through holes at the left end and the right end of the upper reversing joint 6 are fixedly connected with the disc top seat 4 through a left long connecting shaft 5a and a right long connecting shaft 5b, and the left long connecting shaft 5a and the right long connecting shaft 5b are arranged in bilateral symmetry; the lower end of the water drop type tail wing 8 is fixedly connected with one end of the lower connecting shaft 10, the other end of the lower connecting shaft 10 is fixedly connected with the lower reversing joint 11 through a middle through hole of the lower reversing joint 11, the lower reversing joint 11 is fixedly connected with the disc base 12 through bolts, and the axes of the upper connecting shaft 7 and the lower connecting shaft 10 are parallel and coplanar.
The disc base 12 is fixedly connected with the disc top seat 4 through the right upright post 9 and the left upright post 17 to form an integral outer frame of the water turbine, and the disc base 12 is parallel to the disc top seat 4.
The connecting shaft 13 is fixedly connected with the lower rotating arm 14, and the connecting shaft 13 is connected with the disc base 12 through a bearing; bearings are arranged in holes on the left side and the right side of the lower rotating arm 14 and used for connecting the left rectangular blade 15 and the right rectangular blade 16, and a key groove is formed in a hole in the middle of the lower rotating arm 14 and used for being connected with the connecting shaft 13.
The left rectangular blade 15 is connected with the lower rotating arm 14 and the upper rotating arm 18 through bearings, so that the left rectangular blade 15 can rotate and drive the rotating arm 18 to revolve, and the left rectangular blade 15 is fixedly connected with a left gear 19a through the top end of a blade shaft.
The right rectangular blade 16 is connected with the lower rotating arm 14 and the upper rotating arm 18 through bearings, so that the right rectangular blade 16 can rotate and drive the upper rotating arm 18 to revolve, the right rectangular blade 16 is fixedly connected with a right gear 19e through the top end of a blade shaft, and the phase difference between the right rectangular blade 16 and the left rectangular blade 15 is 90 degrees.
The hole in the middle of the upper rotating arm 18 is a threaded hole for being fixedly connected with the output shaft 1, four holes which are symmetrical left and right in the upper rotating arm 18 are respectively provided with a bearing, the hole on the outermost left and right sides in the upper rotating arm 18 is connected with the left rectangular blade 15 and the right rectangular blade 16 through the bearings, and the hole on the inner left and right sides in the upper rotating arm 18 is connected with the rotating shafts of the left idle wheel 19b and the right idle wheel 19 d;
the gear set 19 comprises a left gear 19a, a left idle gear 19b, a fixed gear 19c, a right idle gear 19d and a right gear 19e, the left gear 19a and the right gear 19e have the same tooth number, the left idle gear 19b and the right idle gear 19d have the same tooth number, the gear ratio of the fixed gear 19c to the left gear 19a is 1:2, and the fixed gear 19c is fixedly connected with the connecting plate 20.
The lower end of the connecting plate 20 is fixedly connected with the fixed wheel 19c, the connecting plate 20 is fixedly connected with the disc footstock 4 through the left short connecting shaft 3a and the right short connecting shaft 3b and jointly forms a part of an outer frame, and the left short connecting shaft 3a and the right short connecting shaft 3b are symmetrically arranged.
The middle area of the disc top seat 4 is perforated according to the number and the position of inner holes of the bearing 2, a left hole 4.3a and a right hole 4.3b in the circular boss area of the disc top seat 4 are used for being connected with a left short connecting shaft 3a and a right short connecting shaft 3b, the rest holes in the circular boss area of the disc top seat 4 are connected with the inner ring of the bearing 2 through an inner bolt group 23, a first threaded hole 4.17 and a second threaded hole 4.9 on the left and right of the disc top seat 4 are respectively used for being connected with a left upright post 17 and a right upright post 9, and a first through hole 4.5a and a second through hole 4.5b at the rear end of the disc top seat 4 are used for being connected with a long connecting shaft 5a and a long connecting shaft 5 b;
the fixed wheel 19c in the gear set 19 is designed into a hollow structure; the purpose is to fixedly connect the output shaft 1 with the upper rotating arm 18 through the fixed wheel 19 c.
The water droplet type fin 8 be symmetrical type fin, water droplet type fin 8 has stand 8a, preceding connecting plate 8b, back connecting plate 8c respectively to constitute, preceding connecting plate 8b and back connecting plate 8c one end respectively with stand 8a links firmly, preceding connecting plate 8b the other end with back connecting plate 8 c's the other end links firmly, preceding connecting plate 8b with back connecting plate 8 c's the same and L of length, L with stand 8a radius R satisfies the relation that R/L ═ tan theta, guarantees the tangential direction of preceding connecting plate 8b at stand 8a, the tangential direction of back connecting plate 8c at stand 8 a. When a deflection angle exists between the direction of water flow and the water drop type tail wing 8, the pressure difference acting on the left end and the right end of the water drop type tail wing 8 is unequal, so that a moment for deflecting the water turbine can be generated, the outer frame of the water turbine is driven to rotate, because the fixed wheel 19c on the outer frame is meshed with the left gear 19a at the end part of the left rectangular blade 15 and the right gear 19e at the end part of the right rectangular blade 16 of the water turbine respectively through the left idle wheel 19b and the right idle wheel 19d, the rotation of the fixed wheel 19c drives the meshed rectangular blades to deflect at the moment, the water turbine is enabled to face the flow direction, and the half-rotating impeller is defined to: in the rule of the rectangular blade movement, the position where the left rectangular blade 15 is collinear with the lower rotating arm 14 and the right rectangular blade 16 is perpendicular to the lower rotating arm 14 is called the initial position, and when the water flow direction is perpendicular to the lower rotating arm 14 in the initial position in the rule of the rectangular blade movement, the half-turn impeller turbine is defined as being opposite to the incoming flow. When the direction of the water flow coincides with the direction of the tail, the pressure difference acting on the water droplet type tail 8 is equalized, so that the yawing moment is not generated after yawing against the direction of the water flow.
The invention has the following technical advantages:
1. this hydraulic turbine adopts water droplet type fin from driftage, reduces the consumption of electric quantity, realizes that the hydraulic turbine can just to the rivers direction when the rivers direction changes, reduces the influence of rivers declination to hydraulic turbine capacitation efficiency.
2. The autorotation of the blades of the water turbine adopts a gear transmission mechanism, so that the transmission ratio of the blades to an output shaft is ensured to be 2:1, and the half-rotation impeller water turbine can combine the advantages of a lift-type water turbine and a resistance-type water turbine.
3. The self-yawing type semi-rotating impeller water turbine with the tail wing has the characteristics of wide applicable water area, low starting flow speed, high energy obtaining efficiency, low manufacturing cost and the like.
Description of the drawings:
FIG. 1 is a schematic view of a tail self-yawing half-turn impeller turbine according to the present invention;
FIG. 2 is a schematic view of a longitudinal cross-sectional structure of a water turbine according to the present invention;
FIG. 3 is a schematic top view of the disc top seat of the present invention;
FIG. 4 is a schematic longitudinal sectional view of the outer frame of the present invention;
FIG. 5 is a schematic view of a transverse section of a tail yaw mechanism according to the present invention;
fig. 6 is a schematic top view of the drip-type tail of the present invention.
In the figure: 1: an output shaft; 2: a bearing; 3 a: a left short connecting shaft; 3 b: a right short connecting shaft; 4: a disc top seat; 4.3 a: a left hole; 4.3 b: a right hole; 4.17: a first threaded hole; 4.9: a second threaded hole; 4.5 a: a first through hole; 4.5 b: a second through hole; 5 a: a left long connecting shaft; 5 b: a right long connecting shaft; 6: an upper reversing segment; 7: the upper connecting bearing; 8: a water droplet type tail; 8a is a vertical column; 8 b: a front connecting plate; 8c, connecting a rear plate; 9: a right upright post; 10: a lower connecting shaft; 11: a lower reversing segment; 12: a disc base; 13: a connecting shaft; 14: a lower rotating arm; 15: a left rectangular blade; 16: a right rectangular blade; 17: a left upright post; 18: an upper rotating arm; 19: a gear set; 19 a: a left gear; 19 b: a left idler pulley; 19 c: fixing the wheel; 19 d: a right idler pulley; 19 e: a right gear; 20: a connecting plate; 21: a fixed underwater platform; 22: an outer bolt set; 23: an inner bolt set.
The specific implementation mode is as follows:
the invention provides a tail fin self-yawing type half-turn impeller water turbine which comprises an output shaft 1, a bearing 2, a left short connecting shaft 3a, a right short connecting shaft 3b, a disc top seat 4, a left long connecting shaft 5a, a right long connecting shaft 5b, an upper reversing joint 6, an upper connecting shaft 7, a water drop type tail fin 8, a right upright post 9, a lower connecting shaft 10, a lower reversing joint 11, a disc base 12, a connecting shaft 13, a lower rotating arm 14, a left rectangular blade 15, a right rectangular blade 16, a left upright post 17, an upper rotating arm 18, a gear set 19, a connecting plate 20 and an inner bolt set 23.
Fig. 2 is a longitudinal sectional view of the half-turn impeller water turbine of the present invention, in which the lower end of the blade shaft of the left rectangular blade 15 is in interference fit with the inner ring of the deep groove ball shaft, the outer ring of the deep groove ball is in transition fit with the lower turning arm 14, the upper end of the left rectangular blade 15 is fitted with the upper turning arm 18 through the deep groove ball bearing, the top end of the blade shaft of the left rectangular blade 15 is connected with the left gear 19a through a key, one end of the left gear 19a is positioned by a nut, and the other end is positioned by a shoulder to ensure the axial positioning of the. The lower end of a blade shaft of the right rectangular blade 16 is in interference fit with an inner ring of a deep groove ball shaft, an outer ring of the deep groove ball is in transition fit with the lower rotating arm 14, the upper end of the right rectangular blade 16 is matched with the upper rotating arm 18 through a deep groove ball bearing, the top end of the blade shaft of the right rectangular blade 16 is connected with a right gear 19e through a key, one end of the right gear 19e is positioned by a nut, the other end of the right gear 19e is positioned by a shaft shoulder, the axial positioning of the right gear 19e is ensured, and the right rectangular blade 16 and the left rectangular blade. The lower rotating arm 14 is in key connection with the connecting shaft 13, one end of the lower rotating arm 14 is positioned by a nut, the other end of the lower rotating arm is positioned by a shaft shoulder to ensure the axial positioning of the lower rotating arm 14, the tail end of the connecting shaft 13 is in interference fit with an inner ring of an angular contact ball bearing, and an outer ring of the angular contact ball bearing is in transition fit with the disc base 12. The middle area of the connecting plate 20 is provided with a bearing seat, the bearing seat is connected with the connecting plate 20 through a screw, the inner rings of the bearing seats on the output shaft 1 and the connecting plate 20 are in interference fit, the lower end of the output shaft 1 penetrates through a fixed wheel 19c to be fixedly connected with an upper rotating arm 18 through threads, the two ends of the upper rotating arm 18 on the output shaft 1 are respectively positioned by adopting a nut and a shaft shoulder, and the fixed wheel 19c is connected with the connecting plate 20 through a screw. The axial positioning end of the left idler wheel 19b is a nut, the other end of the left idler wheel 19b is a shaft shoulder, the lower end of a connecting shaft of the left idler wheel 19b is in interference fit with the deep groove ball inner ring, and the deep groove ball outer ring is in transition fit with the upper rotating arm 18. The right idler 19d is connected in the same manner as the left idler 19 b.
Fig. 3 is a top view of the disc top base, a middle area of the disc top base 4 is perforated according to the number and position of inner holes of the bearing 2, a left hole 4.3a and a right hole 4.3b in a circular boss area of the disc top base 4 are used for being connected with a left short connecting shaft 3a and a right short connecting shaft 3b, the rest holes in the circular boss area of the disc top base 4 are connected with an inner ring of the bearing 2 through an inner bolt group 23, a first threaded hole 4.17 and a second threaded hole 4.9 of the disc top base 4 are respectively used for being connected with a left upright post 17 and a right upright post 9, and a first through hole 4.5a and a second through hole 4.5b at the rear end of the disc top base 4 are used for being connected with a left long connecting shaft 5a and a right long connecting shaft 5 b;
fig. 4 and 5 are a longitudinal sectional view of an outer frame and a transverse sectional view of a tail fin yawing mechanism, wherein one end of an upper connecting shaft 7 is fixedly connected with a vertical column 8a of a water droplet type tail fin 8 by virtue of a shaft shoulder and a nut, the other end of the upper connecting shaft 7 penetrates through a through hole in the middle of an upper reversing joint 6, one end of the upper reversing joint 6 is positioned by virtue of the shaft shoulder of the upper yawing shaft 7, and the other end of the upper yawing shaft 6 is clamped by virtue of the nut, so that the upper yawing shaft 7 is fixedly connected with the upper reversing joint 6, the lower ends of a left long connecting shaft 5a and a right long connecting shaft 5b are fixed with the reversing joint 6 by virtue of the shaft shoulder and the nut, and the upper ends of the. One end of a lower connecting shaft 10 is fixedly connected with the upright post 8a of the water drop type tail wing 8 through a shaft shoulder and a nut, the other end of the lower connecting shaft 10 penetrates through a through hole in the middle of the lower reversing joint 11 and is fixedly connected with the lower reversing joint 11 through the shaft shoulder and the nut, and the lower reversing joint 11 is fixedly connected with the disc base 12 through a bolt. The disc base 12 is fixedly connected with the disc top seat 4 through a right upright post 9 and a left upright post 17. One ends of the left short connecting shaft 3a and the right connecting shaft 3b penetrate through the connecting plate 20 and are fixedly connected with the connecting plate 20 through a shaft shoulder and a nut, and the other ends of the left short connecting shaft 3a and the right connecting shaft 3b penetrate through a first through hole 4.3a and a second through hole 4.3b of the disc top seat 4 respectively and are fixedly connected with the disc top seat 4 through the shaft shoulder and the nut. The inner ring of the bearing 2 is fixedly connected with the disc top seat 4 through a bolt group 23, and the fixed type underwater platform 21 is fixedly connected with the outer ring of the bearing 2 through a bolt group 22.
Fig. 6 is a top view structural diagram of the water-drop type tail wing, the front connecting plate 8b and the head section of the rear connecting plate 8c are fixedly connected with the upright post 8a through screws, and the tail ends of the front connecting plate 8b and the rear connecting plate 8c are provided with counter bores and connected through a bolt for a reaming hole.

Claims (3)

1. A tail fin self-yaw type half-turn impeller water turbine is characterized by comprising an output shaft (1), a bearing (2), a left short connecting shaft (3a), a right short connecting shaft (3b), a disc top seat (4), a left long connecting shaft (5a), a right long connecting shaft (5b), an upper reversing joint (6), an upper connecting shaft (7), a water drop type tail fin (8), a right upright post (9), a lower connecting shaft (10), a lower reversing joint (11), a disc base (12), a connecting shaft (13), a lower rotating arm (14), a left rectangular blade (15), a right rectangular blade (16), a left upright post (17), an upper rotating arm (18), a gear set (19), a connecting plate (20) and an inner bolt set (23); the output shaft (1) penetrates through the disc top seat (4), the connecting plate (20) and the fixed wheel (19c) are fixedly connected with the upper rotating arm (18), and bearing seats are arranged on the disc top seat (4) and the connecting plate (20) and used for installing and positioning the output shaft (1); the inner ring of the bearing (2) is fixedly connected with the disc top seat (4) through the inner bolt group (23), and the outer ring of the bearing (2) is fixedly connected with the fixed type horizontal platform (21) through the outer bolt group (22); the upper end of the water drop type tail wing (8) is fixedly connected with one end of the upper connecting shaft (7), the other end of the upper connecting shaft (7) is fixedly connected with the upper reversing joint (6) through a middle through hole of the upper reversing joint (6), through holes at the left end and the right end of the upper reversing joint (6) are fixedly connected with the disc top seat (4) through the left long connecting shaft (5a) and the right long connecting shaft (5b), and the left long connecting shaft (5a) and the right long connecting shaft (5b) are arranged in bilateral symmetry; the lower end of the water drop type tail wing (8) is fixedly connected with one end of the lower connecting shaft (10), the other end of the lower connecting shaft (10) is fixedly connected with the lower reversing joint (11) through a middle through hole of the lower reversing joint (11), the lower reversing joint (11) is fixedly connected with the disc base (12) through a bolt, and the upper connecting shaft (7) is parallel to and coplanar with the axis of the lower connecting shaft (10); the disc base (12) is fixedly connected with the disc top seat (4) through the right upright post (9) and the left upright post (17) to form an integral outer frame of the water turbine, and the disc base (12) is parallel to the disc top seat (4); the connecting shaft (13) is fixedly connected with the lower rotating arm (14), and the connecting shaft (13) is connected with the disc base (12) through a bearing; bearings are arranged in holes in the left side and the right side of the lower rotating arm (14) and used for connecting the left rectangular blade (15) with the right rectangular blade (16), and a key groove is arranged in a hole in the middle of the lower rotating arm (14) and used for being connected with the connecting shaft (13); the left rectangular blade (15) is connected with the lower rotating arm (14) and the upper rotating arm (18) through bearings, the left rectangular blade (15) is guaranteed to be capable of rotating automatically and simultaneously drive the upper rotating arm (18) to revolve, and the left rectangular blade (15) is fixedly connected with a left gear (19a) through the top end of a blade shaft; the right rectangular blade (16) is connected with the lower rotating arm (14) and the upper rotating arm (18) through bearings, the right rectangular blade (16) can rotate and drive the upper rotating arm (18) to revolve, the right rectangular blade (16) is fixedly connected with a right gear (19e) through the top end of a blade shaft, and the phase difference between the right rectangular blade (16) and the left rectangular blade (15) is 90 degrees; holes in the middle of the upper rotating arm (18) are threaded holes and are used for being fixedly connected with the output shaft (1), bearings are respectively installed in four holes which are symmetrical left and right in the upper rotating arm (18), holes in the outermost left side and the outermost right side in the upper rotating arm (18) are connected with the left rectangular blade (15) and the right rectangular blade (16) through the bearings, and holes in the inner left side and the inner right side in the upper rotating arm (18) are connected with rotating shafts of a left idle wheel (19b) and a right idle wheel (19 d); the gear set (19) comprises a left gear (19a), a left idle gear (19b), a fixed gear (19c), a right idle gear (19d) and a right gear (19e), the left gear (19a) and the right gear (19e) have the same tooth number, the left idle gear (19b) and the right idle gear (19d) have the same tooth number, the gear ratio of the fixed gear (19c) to the left gear (19a) is 1:2, and the fixed gear (19c) is fixedly connected with the connecting plate (20); the lower end of the connecting plate (20) is fixedly connected with the fixed wheel (19c), the connecting plate (20) is fixedly connected with the disc footstock (4) through the left short connecting shaft (3a) and the right short connecting shaft (3b) and jointly forms one part of an outer frame, and the left short connecting shaft (3a) and the right short connecting shaft (3b) are symmetrically arranged.
2. The tail self-yawing half-turn impeller water turbine as claimed in claim 1, wherein the circular boss area in the middle of the disk top seat (4) is perforated according to the number and the position of inner holes of the bearing (2), a left hole (4.3a) and a right hole (4.3b) in the middle circular boss area of the disc top seat (4) are used for being connected with the left short connecting shaft (3a) and the right short connecting shaft (3b), the rest holes in the circular boss area of the disc top seat (4) are connected with the inner ring of the bearing (2) through the inner bolt group (23), the first threaded hole (4.17) and the second threaded hole (4.9) on the left and right of the disc top seat (4) are respectively used for being connected with the left upright post (17) and the right upright post (9), and a first through hole (4.5a) and a second through hole (4.5b) at the rear end of the disc top seat (4) are used for being connected with the left long connecting shaft (5a) and the right long connecting shaft (5 b).
3. A tail self-yawing half-turn impeller water turbine according to claim 1, wherein the fixed wheel (19c) of the gear train (19) is designed to be hollow so that the output shaft (1) is fixedly connected to the upper rotating arm (18) through the fixed wheel (19 c).
CN201911346620.XA 2019-12-24 2019-12-24 Empennage self-yaw type half-rotation impeller water turbine Active CN111120182B (en)

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CN112963294A (en) * 2021-02-25 2021-06-15 李文明 Power generation equipment utilizing offshore wave energy

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011685A (en) * 2009-09-04 2011-04-13 蒋准飞 A resistance wind turbine or water turbine with deflective flow cover rotating along with flow direction
CN103758688B (en) * 2014-01-20 2015-12-30 大连理工大学 Horizontal axis tidal current energy water turbine yaw adjustment device
CN110578640A (en) * 2019-10-29 2019-12-17 安徽工业大学 Double-impeller water turbine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101559489B1 (en) * 2014-04-08 2015-10-12 한국해양과학기술원 Yaw control type tidal stream generator by rudder and yaw control method of the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011685A (en) * 2009-09-04 2011-04-13 蒋准飞 A resistance wind turbine or water turbine with deflective flow cover rotating along with flow direction
CN103758688B (en) * 2014-01-20 2015-12-30 大连理工大学 Horizontal axis tidal current energy water turbine yaw adjustment device
CN110578640A (en) * 2019-10-29 2019-12-17 安徽工业大学 Double-impeller water turbine

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