CN117514563A - Adjustable vane turbine - Google Patents

Abstract

The invention provides an adjustable vane type hydraulic turbine, which relates to the technical field of water turbines. The adjustable vane type hydraulic turbine includes a runner chamber, a sealing seat ring is fixedly installed on the top of the runner chamber, and a fixed sealing seat ring is fixedly installed on the inside of the sealing seat ring. Frame, at least two support plates are fixedly installed on the outside of the fixed frame, a top plate is fixedly installed on the top of the sealing seat ring, a main shaft is rotatably installed inside the top plate, and the first end of the main shaft is fixedly installed. A runner body, at least two blade bodies are fixedly mounted on the surface of the first runner body, a second runner body is movably mounted on the bottom end of the first runner body, and the inside of the sealing seat ring is rotatably mounted. There are at least two guide plates, and a fixed shaft is fixedly installed at the bottom end of each guide plate, wherein each guide plate is installed obliquely inside the seal seat ring, and each guide plate The spacing is the same, and the blade body is also installed on the surface of the second runner body.

Description

Adjustable vane turbine

Technical field

The present invention belongs to the technical field of hydraulic turbines, and more specifically, to an adjustable vane hydraulic turbine.

Background technique

A hydraulic turbine is a power machine that converts the energy of water flow into rotating mechanical energy. It is a turbine machine among fluid machines. In a hydropower station, the water in the upstream reservoir is directed to the turbine through the diversion pipe, pushing the turbine runner to rotate and driving the generator to generate electricity. . The water that has done the work is discharged downstream through the tailrace pipe. The higher the water head and the greater the flow rate, the greater the output power of the turbine. In use, it has the following shortcomings.

One end of the turbine guides the water flow into the interior of the turbine through a pipeline. The water flow introduced into the turbine is not uniform in each time period. In addition, the internal blades of the turbine mainly rely on the flow of the water source to drive rotation. If the amount of water changes in a short period of time, The change is large. When the water volume of the single-layer blade installed inside the turbine is low, the rotation speed of the blade will decrease. The blade cannot actively adjust the number according to the change of water volume, resulting in a reduction in the kinetic energy of the blade.

Especially during the period when the water flow is small, the water flow is guided into the interior of the turbine, and the impact of the water flow on the blades is greatly reduced. The number of blades inside the turbine is fixed and the spacing is large, and part of the water flow will directly When flowing between the blades, it is easy to lose contact with the surface of the blades.

The internal blades of the turbine are mostly single-layer designs. The water flow impinges on the blades, pushing the shaft to rotate and generate electricity. However, after the water impinges on the blades, it flows downward. The blades are installed at a higher position inside the turbine, and the high water flow impacts the turbine. After the blades rotate, they still have part of the kinetic energy in the process of falling. When the height of the blades inside the turbine cannot be adjusted, the kinetic energy of the falling water flow cannot be fully utilized.

Contents of the invention

In order to solve the above technical problems, the present invention provides an adjustable vane turbine to solve the above problems.

An adjustable vane turbine includes a runner chamber, a seal seat ring is fixedly installed on the top of the runner chamber, a fixing frame is fixed on the inside of the sealing seat ring, and a fixing frame is fixed on the outside of the fixing frame. At least two support plates are fixedly installed. A top plate is fixedly installed at the top of the sealing seat ring. A main shaft is installed for rotation inside the top plate. A first runner body is fixedly installed at the bottom end of the main shaft. The first runner body is fixedly installed at the bottom end of the main shaft. At least two blade bodies are fixedly mounted on the surface of the runner body, a second runner body is movably mounted on the bottom end of the first runner body, and at least two deflectors are rotatably mounted on the inside of the sealing seat ring. The bottom end of each deflector is fixedly installed with a fixed shaft;

Wherein, each of the deflectors is installed obliquely inside the sealing seat ring, and the spacing between each deflector is the same. At the same time, the blade body is also installed on the surface of the second runner body, and the top of the second runner body is Fits with the bottom of the blade body.

Preferably, a docking cylinder is rotatably mounted on the top end of the second runner body, two limit blocks are slidably mounted on the top end of the docking cylinder, and a reset rod is fixedly mounted on the bottom end of each limit block;

The top end of the limiting block is fixedly connected to the bottom end of the first runner body. The first runner body itself has a trapezoidal design. At least two transmission rods are rotatably installed on the outside of the fixed frame. At least two drive boxes are fixedly installed on the inside of the frame, and a gear set is installed on the side end of each drive box;

Wherein, a drive motor is installed inside the drive box, and one side of the gear set is connected through a rotating shaft. A connecting sleeve is provided on the outside of the main shaft, and a second fixed ring is rotatably installed on the bottom end of the connecting sleeve.

Preferably, at least two telescopic rods are fixedly installed on the bottom end of the second fixed ring;

A gear ring is fixedly installed on the top of the connecting sleeve;

Wherein, the surface of the gear ring and the plurality of drive boxes are aligned with each other, and at the same time, the top end of the gear ring and the gear set are engaged with each other. The bottom end of the connecting sleeve is fixedly installed with a first fixing ring, and the first fixing ring The bottom end is fixedly installed with at least two fixed legs;

Wherein, a plurality of driving rods pass through the interior of the blade body and are fixedly connected to the top end of the second runner body.

Preferably, the inner wall of the sealing seat ring is provided with a groove;

A first fixed sleeve is fixedly installed on the top of each deflector, a driving rod is rotatably installed on the side end of each first fixed sleeve, and a second fixed sleeve is provided on the end of each driving rod;

Among them, the end of the second fixed sleeve is fixedly connected to the inner wall of the groove, and the end of the second fixed sleeve is rotationally connected to the corresponding transmission rod at the same time. A water diversion pipe is fixedly installed on the outside of the sealing seat ring, and the water diversion pipe is fixedly installed on the outside. There is a chamber at the side end;

The chamber extends to one side and is connected to the inside of the sealing ring.

Compared with the prior art, the present invention has the following beneficial effects:

In the present invention, by driving the connecting sleeve to rotate, the connecting sleeve drives the first fixed ring at the end to rotate, so that the first fixed ring drives the fixed leg to deflect a small amount. Since the end of the fixed leg is fixedly connected to the second runner body , allowing the second runner body to move and deflect at the bottom end of the first runner body, the second runner body and the docking cylinder rotate with each other, and the position of the blades on the surface of the second runner body is adjusted to allow the first The runner body and the second runner body form a mutually intersecting design. After the water flow impacts the blade body, it can naturally impact downward on the blade body on the surface of the second runner body. By increasing the spacing between the blades, and adding multiple layers of The design forms a step-by-step impact, which also keeps the spindle at a higher speed when the water flow is small.

In the present invention, the flow rate of the water source inside the chamber changes and is fed back to the control end through the sensor installed inside the water diversion pipe. The control end drives the telescopic rod to expand and contract at the top of the first runner body by analyzing the water volume. The top drives the second fixed ring to move downward, and at the same time, the top of the second fixed ring drives the first fixed ring to move downward, allowing the first fixed ring to pull the end of the connecting sleeve. The connecting sleeve itself is a segmented telescopic structure. Let the second fixed ring drive the first fixed ring to move downward synchronously. The first fixed ring drives the fixed leg to slide through the inside of the first runner body. The end of the fixed leg exerts a certain force on the top of the second runner body. The acting force causes the second runner body to slide and separate at the bottom end of the first runner body. At this time, the first runner body and the second runner body are divided into two from the integral structure, and the first runner body is added. The number of bodies increases the speed of the transmission spindle under the same flow rate.

In the present invention, by driving the telescopic rod to telescope at the top of the first runner body, the top of the telescopic rod drives the second fixed ring to move downward, and at the same time, the top of the second fixed ring drives the first fixed ring to move downward, so that The first fixed ring pulls the end of the connecting sleeve. The connecting sleeve itself is a segmented telescopic structure, allowing the second fixed ring to drive the first fixed ring to move downward synchronously. The first fixed ring drives the fixed leg to move on the first runner. The inside of the body slides through, and the ends of the fixed legs exert a certain force on the top of the second runner body, allowing the second runner body to slide apart at the bottom of the first runner body. At this time, the first runner body The integrated structure of the second runner body is divided into two parts and staggered with each other to expand the contact surface of the blades inside the turbine and make full use of the kinetic energy of the water flow.

In the present invention, through the fit and engagement of the gears, the transmission rod is driven to rotate. The end of the transmission rod is connected to the second fixed sleeve at the same time. The rotating shaft inside the second fixed sleeve transmits the rotational force to the driving rod, allowing the driving rod to rotate. The side end of the second fixed sleeve is deflected, and the top end of the second fixed sleeve rotates at the side end of the first fixed sleeve, exerting force on the deflector, allowing the deflector to rotate around the fixed axis. The flow plates deflect each other at the same time. When the water flow inside the water diversion pipe is small, control the deflection of multiple deflectors to reduce the distance between the deflectors, increase the speed of the water flow, and allow the water flow to impact downward on the surface of the blade body. Control the flow rate according to the water flow rate.

In the present invention, the motor drives the gear set to rotate, and the surface of the gear set matches the gear ring. The gear set pushes the gear ring to rotate reversely on the surface of the main shaft, allowing the gear ring to drive the connecting sleeve to rotate synchronously. Since the telescopic rod previously drove The second fixed ring moves to separate the first runner body and the second runner body from each other. The limiting block at the top of the second runner body and the docking barrel telescope and expand each other. By driving the connecting sleeve to rotate, the connecting sleeve drives the end The first fixed ring rotates, allowing the first fixed ring to drive the fixed leg to deflect slightly. Since the end of the fixed leg is fixedly connected to the second runner body, the second runner body is allowed to move between the first runner body and the first runner body. The bottom end moves and deflects, and the second runner body and the docking cylinder rotate with each other to adjust the position of the blades on the surface of the second runner body. The entire device is automatically controlled through the control end in the background.

In the present invention, the limit block and the docking cylinder are allowed to slide against each other, and at the same time the limit block slides inside the docking cylinder, squeezing the top of the reset rod. When the reset rod expands and contracts, the movement of the limit block is limited, allowing the When the second runner body follows the rotation of the first runner body, the second runner body itself can also be aligned and fitted with the bottom end of the first runner body by rotating and lifting, so that the first runner body and the second runner body can be aligned with each other. The two runner bodies overlap each other to form an integrated state. According to changes in water flow, the corresponding number of blades can be adjusted to increase the flexibility of use.

Description of drawings

Figure 1 is a schematic structural diagram of the runner chamber of the present invention;

Figure 2 is a schematic structural diagram of the spindle of the present invention;

Figure 3 is a schematic structural diagram of the runner body of the present invention;

Figure 4 is a schematic structural diagram of the connecting sleeve of the present invention;

Figure 5 is a schematic structural diagram of the docking barrel of the present invention;

Figure 6 is a schematic structural diagram of the fixed frame of the present invention;

Figure 7 is a schematic structural diagram of the deflector of the present invention;

Figure 8 is a schematic structural diagram of the seal seat ring of the present invention.

In the figure, the corresponding relationship between the component names and the drawing numbers is: 1. Wheel chamber; 11. Sealing ring; 12. Water pipe; 13. Chamber; 14. Top plate; 15. Spindle; 16. Fixed frame; 17 , support plate; 18. transmission rod; 19. drive box; 21. guide plate; 22. first runner body; 23. blade body; 24. connecting sleeve; 25. first fixed ring; 26. gear ring; 27. Fixed leg; 28. Second runner body; 29. Second fixed ring; 31. Telescopic rod; 32. Limiting block; 33. Reset rod; 34. Docking barrel; 35. Gear set; 36. Section A fixed sleeve; 37, driving rod; 38, second fixed sleeve; 39, groove; 41, fixed shaft.

Detailed ways

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the invention but are not intended to limit the scope of the invention.

Example 1:

Please refer to Figures 1, 2, 3, 4 and 5. The present invention provides a technical solution, which includes a runner chamber 1. A seal seat ring 11 is fixedly installed on the top of the runner chamber 1. The seal seat ring 11 is A fixed frame 16 is fixedly installed on the inner side, and at least two support plates 17 are fixedly installed on the outer side of the fixed frame 16. A top plate 14 is fixedly installed on the top of the sealing seat ring 11. A main shaft 15 is rotatably installed inside the top plate 14. The bottom end of the main shaft 15 A first runner body 22 is fixedly installed. At least two blade bodies 23 are fixedly installed on the surface of the first runner body 22. A second runner body 28 is movably installed at the bottom end of the first runner body 22. The sealing seat ring At least two deflectors 21 are rotatably installed inside 11, and a fixed shaft 41 is fixedly installed at the bottom end of each deflector 21;

Each guide plate 21 is installed obliquely inside the sealing seat ring 11, and the spacing between each guide plate 21 is the same. At the same time, the blade body 23 is also installed on the surface of the second runner body 28. The second runner body 28 The top end of the second runner body 28 fits the bottom end of the blade body 23, and a docking barrel 34 is rotatably installed on the top end of the second runner body 28. The top end of the docking barrel 34 is slidably mounted with two limit blocks 32, and the bottom end of each limit block 32 is A reset rod 33 is fixedly installed. The second runner body 28 drives the docking cylinder 34 to move, allowing the limit block 32 and the docking cylinder 34 to slide with each other. At the same time, the limit block 32 slides inside the docking cylinder 34 and squeezes the reset rod. 33, when the reset rod 33 expands and contracts to limit the movement of the limit block 32 and allow the second runner body 28 to follow the rotation of the first runner body 22, the second runner body 28 itself can also be rotated and lifted. way, aligned with the bottom end of the first runner body 22, so that the first runner body 22 and the second runner body 28 overlap each other to form an integrated state;

The top end of the limiting block 32 is fixedly connected to the bottom end of the first runner body 22. The first runner body 22 itself is a trapezoidal design. At least two transmission rods 18 are rotatably installed on the outside of the fixed frame 16. Each fixed frame At least two drive boxes 19 are fixedly installed on the inside of the drive box 16. A gear set 35 is installed at the side end of each drive box 19. A drive motor is installed inside the drive box 19. One side of the gear set 35 is connected to the main shaft 15 through a rotating shaft. A connecting sleeve 24 is provided on the outside of the connecting sleeve 24, and a second fixing ring 29 is rotatably installed at the bottom end of the connecting sleeve 24.

Working principle: When in use, the top of the water diversion pipe 12 is connected to the water source through a pipeline. The water source circulates through the chamber 13. The water flow enters the inside of the sealing seat ring 11 through the guidance of the water diversion pipe 12. Since the water diversion pipe 12 itself is at a curved angle, , when the water source is flowing, it will flow along the inside of the sealing seat ring 11 due to the force, and the water source will be directed to the top of the first runner body 22 through a plurality of inclined guide plates 21, and the water source will flow to the top of the first runner body 22. The downward impact on the surface of the blade body 23, and the curved design of the blade body 23, will exert force on the blade body 23, allowing the blade body 23 to drive the first runner body 22 to rotate. At this time, the top of the first runner body 22 The main shaft 15 is driven to rotate. When the flow rate of the water source inside the chamber 13 changes, it is fed back to the control end through the sensor installed inside the water diversion pipe 12. The control end drives the telescopic rod 31 to move the telescopic rod 31 on the first runner body 22 by analyzing the water volume. The top of the telescopic rod 31 is telescopic, and the top of the telescopic rod 31 drives the second fixed ring 29 to move downward. At the same time, the top of the second fixed ring 29 drives the first fixed ring 25 to move downward, allowing the first fixed ring 25 to pull the end of the connecting sleeve 24 , the connecting sleeve 24 itself is a segmented telescopic structure, allowing the second fixed ring 29 to drive the first fixed ring 25 to move downward synchronously, and the first fixed ring 25 drives the fixed legs 27 inside the first runner body 22 Through sliding, the end of the fixed leg 27 exerts a certain force on the top of the second runner body 28, allowing the second runner body 28 to slide apart at the bottom end of the first runner body 22. At this time, the first runner The body 22 and the second runner body 28 are divided into two parts from the integral structure, increasing the number of the first runner body 22, and increasing the speed of the transmission main shaft 15 under the same flow rate. At the same time, the second runner body 28 The top of the docking barrel 34 is driven to move downward, allowing the limiting block 32 to slide inside the docking barrel 34. At the same time, the docking barrel 34 and the limiting block 32 simultaneously stretch the two ends of the reset rod 33, increasing the force of the docking barrel 34. force.

At the same time, when in use, the blade body 23 continuously exerts force on the first runner body 22, so that the first runner body 22 drives the main shaft 15 to continuously rotate. The main shaft 15 continuously rotates inside the top plate 14. A fixed frame 16 is installed at the bottom of 14, which is fixedly connected to the seal seat ring 11. The motor drives the gear set 35 to rotate. The surface of the gear set 35 fits with the gear ring 26. The gear set 35 pushes the gear ring 26 on the main shaft 15. The surface rotates in the opposite direction, allowing the gear ring 26 to drive the connecting sleeve 24 to rotate synchronously. Since the telescopic rod 31 previously drove the second fixed ring 29 to move, the first runner body 22 and the second runner body 28 are separated from each other. The limiting block 32 at the top of the runner body 28 and the docking barrel 34 telescope and expand each other. By driving the connecting sleeve 24 to rotate, the connecting sleeve 24 drives the first fixed ring 25 at the end to rotate, allowing the first fixed ring 25 to drive the fixed leg 27 Perform a small deflection. Since the end of the fixed leg 27 is fixedly connected to the second runner body 28, the second runner body 28 is allowed to move at the bottom end of the first runner body 22. The second runner body 28 and the docking cylinder 34 rotate with each other to adjust the position of the blades on the surface of the second runner body 28 so that the first runner body 22 and the second runner body 28 form a mutual cross design. When the water flow impacts the blade body 23 Finally, the blade body 23 on the surface of the second runner body 28 can be naturally impacted downward. By increasing the spacing between the blades and adding a multi-layer design, a step-by-step impact is formed. When the water flow is small, the main shaft 15 can also be at a higher speed.

Example 2:

Please refer to Figures 6, 7, and 8. Based on the first embodiment, the present invention provides a technical solution. At least two telescopic rods 31 are fixedly installed on the bottom end of the second fixed ring 29, and the top end of the connecting sleeve 24 is fixedly installed. A gear ring 26 is fixedly installed. The surface of the gear ring 26 is aligned with the plurality of drive boxes 19. At the same time, the top end of the gear ring 26 and the gear set 35 are engaged with each other. The bottom end of the connecting sleeve 24 is fixedly installed with a first fixing device. Ring 25, the bottom end of the first fixed ring 25 is fixedly installed with at least two fixed legs 27. By driving the connecting sleeve 24 to rotate, the connecting sleeve 24 drives the first fixed ring 25 at the end to rotate, allowing the first fixed ring 25 to be driven and fixed. The legs 27 deflect slightly. Since the ends of the fixed legs 27 are fixedly connected to the second runner body 28, the second runner body 28 is allowed to move and deflect at the bottom end of the first runner body 22. The second The runner body 28 and the docking cylinder 34 rotate with each other, and the position of the blades on the surface of the second runner body 28 is adjusted so that the first runner body 22 and the second runner body 28 form a mutually intersecting design. After the blade body 23, it can naturally impact downward on the blade body 23 on the surface of the second runner body 28. By increasing the spacing between the blades and adding a multi-layer design, a step-by-step impact is formed;

A plurality of driving rods 37 penetrate the interior of the blade body 23 and are fixedly connected to the top of the second runner body 28. A groove 39 is formed on the inner wall of the sealing ring 11, and a first fixing sleeve is fixedly installed on the top of each deflector 21. 36. A driving rod 37 is rotatably installed at the side end of each first fixed sleeve 36. A second fixed sleeve 38 is provided at the end of each driving rod 37. The end of the second fixed sleeve 38 is fixed to the inner wall of the groove 39. The end of the second fixed sleeve 38 is connected to the corresponding transmission rod 18 at the same time. A water diversion pipe 12 is fixedly installed on the outside of the sealing seat ring 11. A chamber 13 is provided at the side end of the water diversion pipe 12. The chamber 13 faces to one side. Extended and connected throughly with the inside of the sealing seat ring 11.

Working principle: The side end of the drive box 19 is rotationally connected to the transmission rod 18. The two sections of the drive box 19 are respectively equipped with bevel gears. Through the fit and engagement of the gears, the transmission rod 18 is driven to rotate, and the end of the transmission rod 18 simultaneously Connected to the second fixed sleeve 38, the rotating shaft inside the second fixed sleeve 38 transmits the rotational force to the driving rod 37, allowing the driving rod 37 to deflect at the side end of the second fixed sleeve 38. The top rotates at the side end of the first fixed sleeve 36, exerting force on the guide plate 21, allowing the guide plate 21 to rotate around the fixed axis 41, and the multiple guide plates 21 deflect each other simultaneously. When the inside of the water diversion pipe 12 When the water flow is small, control the deflection of multiple deflectors 21 to reduce the distance between the deflectors 21, increase the speed of the water flow, and allow the water flow to impact downward on the surface of the blade body 23. The flow rate can be controlled according to the water flow rate, so that the main shaft 15Continuously maintain a high speed.

The gear ring 26 is driven by the gear set 35 to rotate, and the gear ring 26 drives the connecting sleeve 24 at the bottom to rotate synchronously, allowing the first runner body 22 to rotate. The connecting sleeve 24 rotates around the outside of the main shaft 15, allowing the connecting sleeve to rotate. 24 drives a plurality of fixed legs 27 to rotate. The ends of the fixed legs 27 are fixedly connected to the top of the second runner body 28. At the same time, the fixed legs 27 drive the second runner body 28 to rotate at the bottom of the first runner body 22. The end of the rotation is rotated to align the second runner body 28 with the bottom end of the first runner body 22, and then the telescopic rod 31 is driven to expand and contract, so that the telescopic rod 31 exerts an upward thrust on the second fixed ring 29, so that the second fixed ring 29 is pushed upward. The two fixed rings 29 move upward at the top of the first runner body 22. The first fixed ring 25 pushes the connecting sleeve 24 to allow the connecting sleeve 24 to slide and expand outside the main shaft 15. The top of the second fixed ring 29 pushes the first fixed ring 29. When the ring 25 moves upward and deflects, the first fixed ring 25 synchronously drives the fixed leg 27 to move upward. The second runner body 28 receives the force of the fixed leg 27 and moves upward. The second runner body 28 drives the ring 25 upward. The docking barrel 34 moves, allowing the limit block 32 and the docking barrel 34 to slide relative to each other. At the same time, the limit block 32 slides inside the docking barrel 34 and squeezes the top of the reset rod 33. When the reset rod 33 expands and contracts, it is at the limit limit. When the movement of the bit block 32 allows the second runner body 28 to follow the rotation of the first runner body 22, the second runner body 28 itself can also be aligned with the bottom end of the first runner body 22 by rotating and lifting. Fitting allows the first runner body 22 and the second runner body 28 to overlap each other to form an integrated state. According to changes in water flow, the corresponding number of blades can be adjusted to increase the flexibility of use.

The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention and design various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. The utility model provides an adjustable vane type hydraulic turbine, includes runner room (1), its characterized in that: the novel rotary table is characterized in that a sealing seat ring (11) is fixedly arranged at the top end of the rotary table chamber (1), a fixing frame (16) is fixedly arranged on the inner side of the sealing seat ring (11), at least two supporting plates (17) are fixedly arranged on the outer side of the fixing frame (16), a top plate (14) is fixedly arranged at the top end of the sealing seat ring (11), a main shaft (15) is rotatably arranged in the top plate (14), a first rotary table body (22) is fixedly arranged at the bottom end of the main shaft (15), at least two blade bodies (23) are fixedly arranged on the surface of the first rotary table body (22), a second rotary table body (28) is movably arranged at the bottom end of the first rotary table body (22), at least two guide plates (21) are rotatably arranged in the sealing seat ring (11), and a fixed shaft (41) is fixedly arranged at the bottom end of each guide plate (21);

wherein, every guide plate (21) is the slope installation in the inside of sealed seat ring (11), and the interval of every guide plate (21) is the same, and blade body (23) are also installed on the surface of second runner body (28) simultaneously, and the top of second runner body (28) agrees with the bottom of blade body (23).

2. The adjustable vane turbine of claim 1, wherein: a butt joint barrel (34) is rotatably arranged at the top end of the second runner body (28), two limiting blocks (32) are slidably arranged at the top end of the butt joint barrel (34), and a reset rod (33) is fixedly arranged at the bottom end of each limiting block (32);

the top end of the limiting block (32) is fixedly connected with the bottom end of the first runner body (22), and the first runner body (22) is of a trapezoid design.

3. The adjustable vane turbine of claim 1, wherein: at least two transmission rods (18) are rotatably arranged on the outer side of the fixed frame (16), at least two driving boxes (19) are fixedly arranged on the inner side of each fixed frame (16), and a gear set (35) is arranged at the side end part of each driving box (19);

wherein, the drive motor is arranged in the drive box (19) and is connected with one side of the gear set (35) through a rotating shaft.

4. The adjustable vane turbine of claim 1, wherein: the outer side of the main shaft (15) is provided with a connecting sleeve (24), and the bottom end of the connecting sleeve (24) is rotatably provided with a second fixing ring (29).

5. The adjustable vane turbine as claimed in claim 4, wherein: at least two telescopic rods (31) are fixedly arranged at the bottom end of the second fixing ring (29).

6. The adjustable vane turbine as claimed in claim 4, wherein: a gear ring (26) is fixedly arranged at the top end of the connecting sleeve (24);

wherein the surfaces of the gear ring (26) are aligned with the plurality of driving boxes (19), and the top ends of the gear ring (26) are engaged with the gear set (35) in a mutually clamping manner.

7. The adjustable vane turbine as claimed in claim 4, wherein: the bottom end of the connecting sleeve (24) is fixedly provided with a first fixed ring (25), and the bottom end of the first fixed ring (25) is fixedly provided with at least two fixed supporting legs (27);

wherein, a plurality of actuating levers (37) run through the inside of blade body (23) and the top fixed connection of second runner body (28).

8. The adjustable vane turbine of claim 1, wherein: the inner side wall of the seal seat ring (11) is provided with a groove (39).

9. The adjustable vane turbine of claim 1, wherein: a first fixing sleeve (36) is fixedly arranged at the top end of each guide plate (21), a driving rod (37) is rotatably arranged at the side end part of each first fixing sleeve (36), and a second fixing sleeve (38) is arranged at the tail end of each driving rod (37);

the tail end of the second fixing sleeve (38) is fixedly connected with the inner side wall of the groove (39), and the tail end of the second fixing sleeve (38) is simultaneously connected with the corresponding transmission rod (18) in a rotating mode.

10. The adjustable vane turbine of claim 1, wherein: the outer side of the sealing seat ring (11) is fixedly provided with a water diversion pipe (12), and a cavity (13) is formed at the side end of the water diversion pipe (12);

wherein the chamber (13) extends to one side and is connected with the inside of the seal seat ring (11) in a penetrating way.