Hydroelectric power generation equipment with adjustable blades
By designing adjustment components and protective components in hydropower equipment, the problem of angle misfit in existing equipment under different hydraulic conditions is solved, flexible adjustment of blade angles and protection of parts are achieved, and the adaptability and use of equipment are improved. flexibility.
Patent Information
- Application Number
- CN202421105261.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-21
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-21
AI Technical Summary
The blades in existing hydropower equipment are fixed angles by welding, resulting in equipment not adapting under different hydraulic conditions and lack of flexibility.
An adjustable blade hydropower device including adjustment components and protective components is designed. The blade angle is adjusted by adjusting the adjustment components and sealing the adjustment components through the protection components, ensuring that the blade can be flexibly adjusted under different hydraulic conditions and avoiding water flow from damaging the parts.
It realizes flexible adjustment of blade angle, improves equipment adaptability, and protects parts through sealing design to avoid water flow damage.
Smart Images

Figure CN222208141U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydroelectric power generation equipment, in particular to hydroelectric power generation equipment with adjustable blades. Background Art
[0002] The adjustable blade hydropower equipment is capable of efficiently converting the kinetic energy of water into electrical energy. As a renewable energy source, hydropower is of great significance for promoting sustainable development. By optimizing the blade design of the turbine, the power generation efficiency can be improved, thereby better meeting people's growing energy needs.
[0003] However, it still has the following disadvantages in actual use:
[0004] The blades in the existing hydroelectric power generation equipment are fixed at their angles by welding. However, due to different hydraulic conditions in different places, if the equipment is moved to other places, the equipment may not be compatible. Utility Model Content
[0005] The utility model aims to provide a hydroelectric power generation equipment with adjustable blades, so as to solve the problem raised in the above background technology that the blades in the existing hydroelectric power generation equipment are fixed at their angles by welding, but since the hydraulic conditions in different places are different, if the equipment is adjusted to other places, the equipment will not be compatible.
[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:
[0007] The utility model is a hydraulic power generation device with adjustable blades, comprising:
[0008] A main body assembly, the main body assembly comprising a fixed tube;
[0009] An adjustment assembly, the adjustment assembly comprising a fixed column, a rotating tube, a mounting slot, a spring and a movable column;
[0010] The fixed column is fixed inside the fixed tube, the rotating tube is movably connected to the outer surface of the fixed column, the mounting groove is opened inside the fixed column, the spring is fixed inside the mounting groove, and the movable column is fixed to the outer surface of the top end of the spring.
[0011] Furthermore, the top end of the rotating tube is provided with connecting grooves in a circumferential row, the movable column is located inside the connecting groove, and a rotating plate is rotatably connected inside the movable column.
[0012] Furthermore, a limiting block is fixed on the inner surface of the rotating plate, and limiting grooves are arranged in a circumferential pattern inside the rotating tube, and the limiting block is located inside the limiting grooves.
[0013] Further, it also includes a protection component;
[0014] The protection assembly includes a semi-ring pipe, a connecting plate, a limiting column and a baffle;
[0015] Among them, the semi-annular tube is wrapped around the outer surface of the rotating tube, the connecting plate is fixed on the outer surface of the semi-annular tube, the limiting column is fixed on the lower surface of the connecting plate at the top, the baffle is fixed inside the outer side of the semi-annular tube, and the fixing column is located in the middle of the baffle.
[0016] Furthermore, a movable plate is rotatably connected inside the bottom end of the limiting column, and mounting holes are provided inside the movable plate and the connecting plate at the bottom.
[0017] Furthermore, an axial flow runner is fixed to the inner surface of the fixed tube, blades are fixed to the outer surface of the rotating tube, a main shaft is fixed to the top surface of the axial flow runner, a runner chamber is arranged outside the axial flow runner, and a water inlet frame is fixed to the top surface of the runner chamber.
[0018] Compared with the prior art, the advantages of the present invention are:
[0019] 1. The utility model, through the adjustment component provided, when it is necessary to adjust the fixed angle of the blade, after the rotating plate is rotated to a vertical state, a downward force is applied to the rotating plate, after the spring is deformed, the movable column and the rotating plate are contracted into the installation groove, and after the rotating tube is rotated, the blade is rotated to a desired angle, and the force applied to the rotating plate is cancelled. After the spring is deformed, the movable column bounces into the connecting groove, and a downward pressing force is applied to the rotating plate, so that the limit block is inserted into the limit groove. This scheme can adjust the installation angle of the blade according to the actual hydraulic conditions, thereby increasing the flexibility of the equipment when used.
[0020] 2. Based on beneficial effect 1, with the use of the protective component, the semi-ring tube is placed outside the rotating tube. After the two groups of semi-ring tubes are aligned, an inward pressing force is applied to allow the limit column to pass through the bottom connecting plate. An upward lifting force is applied to the movable plate. After the movable plate is in a horizontal state, the screws are inserted into the mounting hole to fix it. This solution seals the adjustment component to prevent water flow from damaging the parts. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0022] Figure 1 It is a three-dimensional schematic diagram of the utility model;
[0023] Figure 2 It is a cross-sectional view of the utility model;
[0024] Figure 3 This is a structural diagram of the protective component of the utility model;
[0025] Figure 4 It is a cross-sectional view of the adjustment component of the utility model.
[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0027] 11. Water inlet frame; 12. Main shaft; 13. Runner chamber; 14. Axial flow runner; 15. Fixed pipe; 16. Blades;
[0028] 21. Fixed column; 22. Mounting slot; 23. Spring; 24. Movable column; 25. Rotating plate; 26. Limit block; 27. Limit slot; 28. Connecting slot; 29. Rotating tube;
[0029] 31. Semi-ring pipe; 32. Connecting plate; 33. Limiting column; 34. Baffle; 35. Movable plate; 36. Mounting hole. DETAILED DESCRIPTION
[0030] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.
[0031] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.
[0032] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.
[0033] See also Figure 1 , Figure 2 and Figure 4 As shown, this embodiment is a hydroelectric power generation device with adjustable blades, comprising:
[0034] A main body component, the main body component includes a fixed tube 15;
[0035] An adjustment component, the adjustment component includes a fixed column 21, a rotating tube 29, a mounting slot 22, a spring 23 and a movable column 24;
[0036] The fixed column 21 is fixed inside the fixed tube 15, the rotating tube 29 is movably connected to the outer surface of the fixed column 21, the mounting groove 22 is opened inside the fixed column 21, the spring 23 is fixed inside the mounting groove 22, and the movable column 24 is fixed to the outer surface of the top end of the spring 23;
[0037] The fixed column 21 is used to receive and install the fixed tube 15, and the rotating tube 29 is used to receive and install the blade 16. The spring 23 is installed inside the installation groove 22. Under the elastic force of the spring 23, the position of the movable column 24 inside the installation groove 22 can be changed, and the movable column 24 is used to fix the rotating tube 29 at a desired angle.
[0038] The top of the rotating tube 29 is provided with connecting grooves 28 arranged in a circle, the movable column 24 is located inside the connecting grooves 28, and the movable column 24 is rotatably connected with a rotating plate 25;
[0039] The connecting groove 28 is used to receive and install the movable column 24, and the rotating plate 25 is used to limit the rotating tube 29 to a desired angle;
[0040] A limiting block 26 is fixed on the inner surface of the rotating plate 25, and limiting grooves 27 are arranged in a circumferential pattern inside the rotating tube 29, and the limiting block 26 is located inside the limiting groove 27;
[0041] The limit block 26 is used to stably fix the rotating plate 25 to the outer surface of the rotating tube 29, and the interior of the limit groove 27 is used to receive and install the limit block 26;
[0042] An axial flow runner 14 is fixed to the inner surface of the fixed tube 15, blades 16 are fixed to the outer surface of the rotating tube 29, a main shaft 12 is fixed to the top surface of the axial flow runner 14, a runner chamber 13 is arranged outside the axial flow runner 14, and a water inlet frame 11 is fixed to the top surface of the runner chamber 13;
[0043] The water inlet frame 11 is used to guide the water flow into the runner chamber 13 in a suitable direction and speed. The main shaft 12 is a key component connecting the motor and the axial flow runner 14. The runner chamber 13 surrounds the axial flow runner 14 to form a closed space to ensure that the water flow can effectively act on the axial flow runner 14. The axial flow runner 14 is a core component that converts water energy into mechanical energy. Its design directly affects the efficiency, output, cavitation and service life of the turbine. The blades 16 are components of the axial flow runner 14. The kinetic energy of water is converted into mechanical energy through their rotation. The fixed pipe 15 is used to receive and install the fixed column 21.
[0044] When the angle of the blade 16 needs to be adjusted, the rotating plate 25 is rotated to a vertical state, and a downward force is applied to the rotating plate 25. After the spring 23 is deformed, the movable column 24 and the rotating plate 25 are retracted into the installation groove 22. After the rotating tube 29 is rotated, the blade 16 is rotated to a desired angle, and the force applied to the rotating plate 25 is canceled. After the spring 23 is deformed, the movable column 24 bounces into the connecting groove 28, and a downward pressing force is applied to the rotating plate 25, so that the limit block 26 is inserted into the limit groove 27.
[0045] In this step, the installation angle of the blade 16 can be adjusted according to the actual hydraulic conditions, thereby increasing the flexibility of the equipment when in use.
[0046] See also Figure 1-Figure 3 As shown, this embodiment is based on the above-mentioned embodiment 1 and further includes a protection component;
[0047] The protection assembly includes a semi-ring pipe 31, a connecting plate 32, a limiting column 33 and a baffle 34;
[0048] The semi-circular tube 31 is wrapped around the outer surface of the rotating tube 29, the connecting plate 32 is fixed on the outer surface of the semi-circular tube 31, the limiting column 33 is fixed on the lower surface of the top connecting plate 32, the baffle 34 is fixed inside the outer side of the semi-circular tube 31, and the fixing column 21 is located in the middle of the baffle 34;
[0049] The semi-circular tube 31 is used to wrap the rotating tube 29 and the parts inside it, the connecting plate 32 is used to connect the semi-circular tubes 31 together, the limiting column 33 is used to connect the connecting plates 32 together, and the baffle 34 is used to completely enclose the fixed column 21;
[0050] The bottom end of the limiting column 33 is rotatably connected to a movable plate 35, and mounting holes 36 are provided inside the movable plate 35 and the bottom connecting plate 32:
[0051] By adjusting the angle of the movable plate 35, the connecting plates 32 can be tightly connected together, and the inside of the mounting hole 36 is used to install screws;
[0052] When the semi-circular tube 31 needs to be fixed, the semi-circular tube 31 is placed outside the rotating tube 29, and after the two groups of semi-circular tubes 31 are aligned, an inward pressing force is applied to make the limiting column 33 pass through the bottom connecting plate 32, and then an upward lifting force is applied to the movable plate 35, so that the movable plate 35 is in a horizontal state, and then the screws are inserted into the mounting holes 36 to fix it;
[0053] This step seals the adjustment assembly to prevent water flow from damaging the parts.
[0054] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0055] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A hydroelectric power generation device with adjustable blades, characterized in that: include: A main body component, the main body component comprising a fixing tube (15); An adjustment component, the adjustment component comprising a fixed column (21), a rotating tube (29), a mounting groove (22), a spring (23) and a movable column (24); The fixed column (21) is fixed inside the fixed tube (15), the rotating tube (29) is movably connected to the outer surface of the fixed column (21), the mounting groove (22) is opened inside the fixed column (21), the spring (23) is fixed inside the mounting groove (22), and the movable column (24) is fixed to the outer surface of the top end of the spring (23).
2. A hydroelectric power generation device with adjustable blades according to claim 1, characterized in that: The top end of the rotating tube (29) is provided with connecting grooves (28) arranged in a circular pattern. The movable column (24) is located inside the connecting groove (28). A rotating plate (25) is rotatably connected inside the movable column (24).
3. A hydroelectric power generation device with adjustable blades according to claim 2, characterized in that: A limiting block (26) is fixed on the inner surface of the rotating plate (25), and limiting grooves (27) are arranged in a circular pattern inside the rotating tube (29), and the limiting block (26) is located inside the limiting groove (27).
4. The hydroelectric power generation equipment with adjustable blades according to claim 1, characterized in that: Also included are protection components; The protection assembly comprises a semi-annular tube (31), a connecting plate (32), a limiting column (33) and a baffle (34); The semi-annular tube (31) is wrapped around the outer surface of the rotating tube (29), the connecting plate (32) is fixed on the outer surface of the semi-annular tube (31), the limiting column (33) is fixed on the lower surface of the connecting plate (32) at the top, the baffle (34) is fixed inside the outer side of the semi-annular tube (31), and the fixing column (21) is located in the middle of the baffle (34).
5. The hydroelectric power generation equipment with adjustable blades according to claim 4, characterized in that: A movable plate (35) is rotatably connected inside the bottom end of the limiting column (33), and mounting holes (36) are provided inside the movable plate (35) and the connecting plate (32) at the bottom.
6. The hydroelectric power generation equipment with adjustable blades according to claim 1, characterized in that: An axial flow runner (14) is fixed on the inner surface of the fixed tube (15), blades (16) are fixed on the outer surface of the rotating tube (29), a main shaft (12) is fixed on the top surface of the axial flow runner (14), a runner chamber (13) is arranged outside the axial flow runner (14), and a water inlet frame (11) is fixed on the top surface of the runner chamber (13).
