Practical training platform for variable-pitch miniature installation and adjustment of wind turbine generator
By designing components such as the brake motor drive gear system and electric push rod, the problem of inconvenient angle adjustment during maintenance of the wind turbine pitch micro-adjustment training platform was solved, convenient angle adjustment and rapid pitch feathering were achieved, and maintenance efficiency and safety were improved.
Patent Information
- Application Number
- CN202422500938.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-10-16
AI Technical Summary
The existing wind turbine pitch micro-adjustment training platform is not convenient for adjusting the angle during maintenance and inspection, which requires workers to bend over or look up for a long time, making it difficult to meet maintenance standards.
A miniaturized wind turbine pitch adjustment training platform was designed. The brake motor drives the gear system to achieve lateral and longitudinal angle adjustment. The electric push rod and universal wheel are combined to facilitate platform movement. The brake motor and rack system are used to achieve rapid feathering and manual pitch adjustment.
It enables convenient angle adjustment during maintenance, improves maintenance efficiency, reduces workers' labor intensity, ensures that maintenance standards are met, and enables quick and safe propeller adjustment when the wind is too strong.
Smart Images

Figure CN223377822U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wind turbines, in particular to a wind turbine pitch micro-adjustment training platform. Background Art
[0002] Wind turbine pitch control refers to controlling the capture of wind energy by adjusting the angle of the wind turbine blades. When the wind speed changes, the pitch control system can change the blade angle to optimize the wind energy absorption efficiency, ensure the stable operation of the wind turbine and output appropriate power. It plays a key role in improving the reliability and power generation performance of the wind turbine.
[0003] The wind turbine pitch micro-installation and adjustment training platform is a device used for teaching and training. It simulates the pitch system of an actual wind turbine, allowing trainees to experience and operate the pitch adjustment process firsthand. The platform is miniaturized, making it convenient for indoor training. It can be used for installation, commissioning, troubleshooting, and other training, helping trainees master the principles and operating skills of wind turbine pitch systems and improve their professional capabilities.
[0004] Although the existing wind turbine pitch micro-adjustment training platform can display the change of pitch angle through obvious signs, and its functions include automatic pitch change, manual pitch change and safe pitch feathering, it is inconvenient to adjust the angle during maintenance and inspection, and many tricky angles cannot be observed. Therefore, when inspecting the platform, workers need to bend over or look up for a long time, which not only wastes time but also makes it difficult to meet the maintenance standards. To address the above problems, a wind turbine pitch micro-adjustment training platform is proposed. Utility Model Content
[0005] The purpose of the utility model is to provide a wind turbine pitch miniaturization installation and adjustment training platform, which solves the problem in the background art that it is inconvenient to adjust the angle during maintenance and overhaul.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a wind turbine pitch miniaturization adjustment training platform, comprising a platform, wherein the left and right sides of the top of the platform are fixedly connected to a first fixed plate, the left side of the first fixed plate on the left side is fixedly connected to a second brake motor, the output end of the second brake motor is fixedly connected to a first rotating rod, the top of the first rotating rod passes through and is fixedly connected to a square frame, the left and right sides of the top of the inner wall of the square frame are fixedly connected to the first brake motor, the output end of the first brake motor is fixedly connected to a third gear, the middle of the top of the square frame is rotatably connected to the second rotating rod, and the middle of the outer wall of the second rotating rod passes through and is fixedly connected There is a fourth gear, which is meshed with the third gear. The top of the second rotating rod is fixedly connected to the bottom plate, the top of the bottom plate is fixedly connected to the second connecting plate, the top left side of the second connecting plate is fixedly connected to a fixing ring, the rear side of the inner wall of the fixing ring is rotatably connected to the first gear, the outer ring of the fixing ring is fixedly connected to a uniformly distributed dial, the middle of the dial is penetrated by and rotatably connected to a rotating shaft, the bottom of the rotating shaft is penetrated by and fixedly connected to the seventh gear, the middle of the front side of the second connecting plate is fixedly connected to a fixing frame, the top of the rear side of the fixing frame is fixedly connected to the first connecting plate, and rotating components are provided on three sides of the first connecting plate.
[0007] By adopting the above technical solution, when the device needs to be repaired, the first brake motor drives the third gear, and the third gear can drive the fourth gear to rotate, thereby driving the second rotating rod, the base plate and the second connecting plate to rotate, so as to adjust the horizontal angle. Turn on the second brake motor, and the output end of the second brake motor rotates to drive the first rotating rod, the square frame, the base plate and the second connecting plate to rotate, so as to adjust the longitudinal angle.
[0008] As a further description of the above technical solution: the rotating assembly includes a U-shaped plate, the U-shaped plate is fixedly connected to one side of the first connecting plate, a limiting track is fixedly connected between the two U-shaped plates, the inner wall of the limiting track is slidably connected with a rack, and the other end of the U-shaped plate is fixedly connected to a third brake motor.
[0009] By adopting the above technical solution, when the wind is too strong and it is necessary to quickly feather the propellers to avoid accidents, the third brake motor drives the fifth gear, thereby driving the rack to move along the limiting track, and the connecting rope can be straightened backwards, so that the pointer can immediately return to its original position, thereby achieving feathering.
[0010] As a further description of the above technical solution: the output end of the third brake motor is fixedly connected to the fifth gear, and the outer ring of the fifth gear is meshed with the rack.
[0011] By adopting the above technical solution, the third brake motor drives the fifth gear to rotate, thereby driving the rack to move.
[0012] As a further description of the above technical solution: the rear side of the rack is rotatably connected to a connecting rope, the connecting rope is rotatably connected to the seventh gear, and the seventh gear is meshed with the first gear.
[0013] By adopting the above technical solution, the seventh gear drives the first gear to rotate, the rack moves backward, and the device can be quickly aligned through the connecting rope.
[0014] As a further description of the above technical solution: universal wheels are provided at the four corners of the bottom of the platform, and a push handle is fixedly connected to the top right side of the platform.
[0015] By adopting the above technical solution, the platform can be driven to move by the push handle and the universal wheel.
[0016] As a further description of the above technical solution: a pointer is fixedly connected to the rear side of the rotating shaft.
[0017] By adopting the above technical solution, the rotation of the shaft can drive the pointer to rotate.
[0018] As a further description of the above technical solution: a second fixed plate is fixedly connected to the right side of the top of the second connecting plate, an electric push rod is fixedly connected to the top of the second fixed plate, an output end of the electric push rod is fixedly connected to a third connecting plate, the third connecting plate is slidingly connected to the top left side of the second fixed plate, a fourth brake motor is fixedly connected to the front side of the third connecting plate, and the output end of the fourth brake motor is fixedly connected to the sixth gear.
[0019] By adopting the above technical solution, the sixth gear is driven by the fourth brake motor, which can drive the first gear to rotate, thereby driving the seventh gear, the rotating shaft and the pointer to rotate, and automatic pitch change can be achieved. By driving the third connecting plate, the sixth gear and the fourth brake motor to the right by the electric push rod, the sixth gear and the first gear can be disengaged, which is convenient for subsequent manual pitch change.
[0020] As a further description of the above technical solution: the left side of the fixed ring is fixedly connected to a fourth connecting plate, the front side of the fourth connecting plate passes through and is rotatably connected to a turntable, the rear side of the turntable is fixedly connected to a second gear, and the second gear is meshed with the first gear.
[0021] By adopting the above technical solution, by rotating the turntable, the second gear can drive the first gear to rotate, thereby driving the seventh gear, the rotating shaft and the pointer to rotate, thereby realizing manual pitch control.
[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0023] 1. The utility model provides a wind turbine pitch micro-adjustment training platform. When the device needs to be repaired, the first brake motor drives the third gear, and the third gear drives the fourth gear to rotate, thereby driving the second rotating rod, the bottom plate and the second connecting plate to rotate, so as to adjust the lateral angle. The second brake motor is turned on, and the output end of the second brake motor rotates to drive the first rotating rod, the square frame, the bottom plate and the second connecting plate to rotate, so as to adjust the longitudinal angle.
[0024] 2. The utility model provides a wind turbine pitch adjustment micro-assembly training platform. When the wind is too strong and rapid propeller adjustment is required to avoid accidents, the third brake motor drives the fifth gear, thereby driving the rack to move along the limit track. The connecting rope can be straightened backwards, and the pointer can immediately return to its original position, thereby achieving propeller adjustment. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a three-dimensional diagram of the utility model;
[0026] Figure 2 This is a schematic diagram of the gear of the present utility model;
[0027] Figure 3 This is a schematic diagram of a fixing frame of the present invention.
[0028] In the figure: 1. first gear; 2. second gear; 3. first connecting plate; 4. second connecting plate; 5. bottom plate; 6. third gear; 7. first brake motor; 8. second brake motor; 9. first fixed plate; 10. first rotating rod; 11. platform; 12. universal wheel; 13. push handle; 14. second rotating rod; 15. fourth gear; 16. square frame; 17. fifth gear; 18. sixth gear; 19. fixing ring; 20. U-shaped plate; 21. third brake motor; 22. rack; 23. limiting track; 24. seventh gear; 25. connecting rope; 26. second fixed plate; 27. electric push rod; 28. third connecting plate; 29. fourth brake motor; 30. dial; 31. rotating shaft; 32. pointer; 33. fixing frame; 34. turntable; 35. fourth connecting plate. DETAILED DESCRIPTION
[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0030] In order to further understand the content of the present invention, the present invention is described in detail with reference to the accompanying drawings.
[0031] Combine Figure 1-Figure 3 The present invention provides a wind turbine pitch adjustment miniaturization training platform, comprising a platform 11. First fixing plates 9 are fixedly connected to both left and right sides of the top of the platform 11. A second brake motor 8 is mounted via the first fixing plates 9. Universal wheels 12 are provided at the four corners of the bottom of the platform 11. A push handle 13 is fixedly connected to the top right side of the platform 11. The push handle 13 and the universal wheels 12 facilitate movement of the entire platform. A pointer 32 is fixedly connected to the rear side of a rotating shaft 31. By pointing the pointer 32 to the scale line, the pitch adjustment can be conveniently observed. A second fixing plate 26 is fixedly connected to the top right side of the second connecting plate 4. An electric push rod 27 is fixedly connected to the top of the second fixing plate 26. The output end of the electric push rod 27 is fixedly connected to a third connecting plate 28. The third connecting plate 28 is slidably connected to the top left side of the second fixing plate 26. A fourth brake motor 29 is fixedly connected to the front side of the third connecting plate 28. The output end of the fourth brake motor 29 is fixedly connected to a sixth gear 18. By driving the sixth gear 18 through the fourth brake motor 29, the first gear 1 can be driven to rotate, thereby driving the seventh gear 24, the rotating shaft 31 and the pointer 32 to rotate, and automatic pitch change can be achieved. By driving the third connecting plate 28, the sixth gear 18 and the fourth brake motor 29 to move to the right through the electric push rod 27, the sixth gear 18 and the first gear 1 can be disengaged, which is convenient for subsequent manual pitch change. The left side of the fixed ring 19 is fixedly connected to the fourth connecting plate 35, and the front side of the fourth connecting plate 35 is penetrated and rotatably connected to the turntable 34. The rear side of the turntable 34 is fixedly connected to the second gear 2, and the second gear 2 is meshed with the first gear 1. By rotating the turntable 34, the second gear 2 can drive the first gear 1 to rotate, thereby driving the seventh gear 24, the rotating shaft 31 and the pointer 32 to rotate, and manual pitch change can be achieved.
[0032] Combine Figure 1 The left side of the left first fixed plate 9 is fixedly connected to the second brake motor 8, and the output end of the second brake motor 8 is fixedly connected to the first rotating rod 10. The top of the first rotating rod 10 passes through and is fixedly connected to the square frame 16. The first rotating rod 10 can be driven by the second brake motor 8, which can drive the square frame 16 to rotate. The left and right sides of the top of the inner wall of the square frame 16 are fixedly connected with the first brake motor 7. The output end of the first brake motor 7 is fixedly connected to the third gear 6. The middle of the top of the square frame 16 is rotatably connected to the second rotating rod 14. The middle of the outer wall of the second rotating rod 14 passes through and is fixedly connected to the fourth gear 15. The fourth gear 15 is meshed with the third gear 6. The top of the second rotating rod 14 is fixedly connected to the bottom plate 5. The third gear 6 is driven by the first brake motor 7, and the third gear 6 can drive the fourth gear 15 to rotate, thereby driving the second rotating rod 14 and the bottom plate 5 to rotate.
[0033] Combine Figure 1-Figure 3 The top of the bottom plate 5 is fixedly connected to the second connecting plate 4, and the top left side of the second connecting plate 4 is fixedly connected to the fixing ring 19. The rear side of the inner wall of the fixing ring 19 is rotatably connected to the first gear 1, and the first gear 1 is limited by the fixing ring 19 to ensure that the first gear 1 rotates stably. The outer ring of the fixing ring 19 is fixedly connected to a uniformly distributed dial 30, and the middle of the dial 30 is penetrated and rotatably connected to the rotating shaft 31. By rotating the rotating shaft 31, the pointer 32 can be driven to point to the scale line on the dial 30, so that the pitch change situation can be easily observed. The bottom of the rotating shaft 31 is penetrated and fixedly connected to the seventh gear 24, and the rotation of the seventh gear 24 can drive the rotating shaft 31 to rotate. The middle of the front side of the second connecting plate 4 is fixedly connected to a fixing bracket 33, and the top of the rear side of the fixing bracket 33 is fixedly connected to the first connecting plate 3. Rotating components are provided on the three sides of the first connecting plate 3. The first connecting plate 3 is secured by a fixing bracket 33, providing a more stable structure. The rotating assembly includes a U-shaped plate 20, which is fixedly connected to one side of the first connecting plate 3. A limiting track 23 is fixedly connected between the two U-shaped plates 20. A rack 22 is slidably connected to the inner wall of the limiting track 23. The limiting track 23 limits the position of the rack 22, allowing it to move stably. The other end of the U-shaped plate 20 is fixedly connected to a third brake motor 21. The output end of the third brake motor 21 is fixedly connected to the fifth gear 17, the outer ring of which meshes with the rack 22. The rear side of the rack 22 is rotatably connected to a connecting rope 25, which is rotatably connected to the seventh gear 24, which meshes with the first gear 1. The third brake motor 21 drives the fifth gear 17, causing the fifth gear 17 to move the rack 22, causing the rack 22 to straighten the connecting rope 25, thus instantly feathering the device.
[0034] Working principle: turn on the fourth brake motor 29, and the output end of the fourth brake motor 29 rotates to drive the sixth gear 18 to rotate, thereby driving the first gear 1 to rotate, which can drive the seventh gear 24, the rotating shaft 31 and the pointer 32 to rotate, and automatic pitch change can be achieved. Turn on the electric push rod 27, and the electric push rod 27 can drive the sixth gear 18, the fourth brake motor 29 and the third connecting plate 28 to move to the right, and then rotate the turntable 34, thereby driving the first gear 1 to rotate, which can drive the seventh gear 24, the rotating shaft 31 and the pointer 32 to rotate, and manual pitch change can be achieved. The pitch change situation can be clearly observed by observing that the pointer 32 points to the scale line on the dial 30. When it turns to the 0 scale line, it is pitching. When the wind is too strong, it needs to be pitched quickly. When paddling, turn on the third brake motor 21, and the output end of the third brake motor 21 rotates to drive the fifth gear 17, thereby driving the rack 22 to move along the limiting track 23, and the connecting rope 25 can be straightened backward, so that the pointer 32 can immediately return to its original position, thereby achieving paddling. When the device needs to be repaired, turn on the first brake motor 7, and the output end of the first brake motor 7 rotates to drive the third gear 6, and the third gear 6 can drive the fourth gear 15 to rotate, thereby driving the second rotating rod 14, the bottom plate 5 and the second connecting plate 4 to rotate, and the horizontal angle can be adjusted. Turn on the second brake motor 8, and the output end of the second brake motor 8 rotates to drive the first rotating rod 10, the square frame 16, the bottom plate 5 and the second connecting plate 4 to rotate, and the longitudinal angle can be adjusted.
[0035] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A wind turbine pitch miniaturization adjustment training platform, comprising a platform (11), characterized in that: The left and right sides of the top of the platform (11) are fixedly connected to the first fixed plate (9), the left side of the first fixed plate (9) is fixedly connected to the second brake motor (8), the output end of the second brake motor (8) is fixedly connected to the first rotating rod (10), the top of the first rotating rod (10) passes through and is fixedly connected to the square frame (16), the left and right sides of the top of the inner wall of the square frame (16) are fixedly connected to the first brake motor (7), the output end of the first brake motor (7) is fixedly connected to the third gear (6), the middle of the top of the square frame (16) is rotatably connected to the second rotating rod (14), the middle of the outer wall of the second rotating rod (14) passes through and is fixedly connected to the fourth gear (15), the fourth gear (15) is meshed with the third gear (6), and the first rotating rod (14) is fixedly connected to the third gear (6). The top of the second rotating rod (14) is fixedly connected to the bottom plate (5), the top of the bottom plate (5) is fixedly connected to the second connecting plate (4), the top left side of the second connecting plate (4) is fixedly connected to a fixing ring (19), the rear side of the inner wall of the fixing ring (19) is rotatably connected to the first gear (1), the outer ring of the fixing ring (19) is fixedly connected to a uniformly distributed scale plate (30), the middle of the scale plate (30) is penetrated and rotatably connected to a rotating shaft (31), the bottom of the rotating shaft (31) is penetrated and fixedly connected to the seventh gear (24), the middle of the front side of the second connecting plate (4) is fixedly connected to a fixing frame (33), the top of the rear side of the fixing frame (33) is fixedly connected to the first connecting plate (3), and three sides of the first connecting plate (3) are provided with rotating components.
2. A wind turbine pitch miniaturization adjustment training platform according to claim 1, characterized in that: The rotating assembly includes a U-shaped plate (20), the U-shaped plate (20) is fixedly connected to one side of the first connecting plate (3), a limiting track (23) is fixedly connected between the two U-shaped plates (20), the inner wall of the limiting track (23) is slidably connected to a rack (22), and the other end of the U-shaped plate (20) is fixedly connected to a third brake motor (21).
3. A wind turbine pitch miniaturization adjustment training platform according to claim 2, characterized in that: The output end of the third brake motor (21) is fixedly connected to a fifth gear (17), and the outer ring of the fifth gear (17) is meshed with the rack (22).
4. A wind turbine pitch miniaturization adjustment training platform according to claim 2, characterized in that: The rear side of the rack (22) is rotatably connected to a connecting rope (25), the connecting rope (25) is rotatably connected to the seventh gear (24), and the seventh gear (24) is meshedly connected to the first gear (1).
5. The wind turbine pitch miniaturization adjustment training platform according to claim 1 is characterized by: Universal wheels (12) are provided at the four corners of the bottom of the platform (11), and a push handle (13) is fixedly connected to the top of the right side of the platform (11).
6. The wind turbine pitch miniaturization adjustment training platform according to claim 1 is characterized by: A pointer (32) is fixedly connected to the rear side of the rotating shaft (31).
7. The wind turbine pitch miniaturization adjustment training platform according to claim 1 is characterized by: The second connecting plate (4) is fixedly connected to the right side of the top thereof with a second fixing plate (26), the top of the second fixing plate (26) is fixedly connected to an electric push rod (27), the output end of the electric push rod (27) is fixedly connected to a third connecting plate (28), the third connecting plate (28) is slidably connected to the top left side of the second fixing plate (26), the front side of the third connecting plate (28) is fixedly connected to a fourth brake motor (29), and the output end of the fourth brake motor (29) is fixedly connected to a sixth gear (18).
8. The wind turbine pitch miniaturization adjustment training platform according to claim 1 is characterized by: The left side of the fixed collar (19) is fixedly connected to a fourth connecting plate (35); the front side of the fourth connecting plate (35) is penetrated and rotatably connected to a turntable (34); the rear side of the turntable (34) is fixedly connected to a second gear (2); and the second gear (2) is meshed with the first gear (1).