Adjustable limiting device for transportation of 10-megawatt wind driven generator blades
By introducing anti-swing and anti-swing mechanisms and adjustment mechanisms into the wind turbine blade transportation limiting device, the problem of unstable limits in the existing devices during transportation is solved, and stable limits and protection of blades of different lengths are achieved.
Patent Information
- Application Number
- CN202420654338.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2024-12-06
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The existing wind turbine blade transportation limiting devices lack anti-shaking and anti-swing functions and adjustment functions, which leads to excessive shaking of the tail when transporting longer blades, resulting in unstable limits and may cause blade damage.
An anti-swing and anti-swing mechanism including a base frame, a U-shaped plate, a second hydraulic rod, a square plate and a protective pad, as well as an adjustment mechanism for a mounting frame plate, a drive motor, a screw, a guide rod and an adjustment plate are designed, through The hydraulic rod and motor drive realize anti-shaking, anti-swing and adjustment functions to ensure the stability of the blades during transportation.
It effectively avoids limit instability caused by excessive tail shaking amplitude, protects windmill blades, ensures stable limits of blades of different lengths, and avoids accidental damage.
Smart Images
Figure CN222117472U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wind power generation, in particular to an adjustable limiting device for transporting blades of a 10-megawatt wind power generator. Background Art
[0002] Wind power generation is an engineering technology that uses windmills to convert wind kinetic energy into electrical energy. Therefore, a limit device is required in the process of transporting windmill blades.
[0003] After searching, the patent number is CN216784405U, and the name is a utility model of a fixed limit mechanism for transporting large wind turbine blades, including a mounting plate. Through research and analysis, it is found that although the safety hazards in the transportation process are reduced during use and the use of large wind turbine blades is guaranteed, the following shortcomings still exist to a certain extent.
[0004] For example, the existing limit device does not have the anti-sway and anti-sway function during use, and cannot prevent the tail end of the windmill blade from swaying and swinging. As a result, during the transportation of longer blades, the limit may be unstable due to excessive shaking of the tail, which may also cause damage to the windmill blades. In order to solve the above technical problems, we have designed an adjustable limit device for transporting 10MW wind turbine blades. Utility Model Content
[0005] The purpose of the utility model is to provide an adjustable 10 MW wind turbine blade transportation limiting device, which has the advantages of anti-sway and anti-sway treatment and adjustment function, and solves the problem that the existing limiting device does not have the anti-sway and anti-sway treatment and adjustment function during use.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable 10MW wind turbine blade transportation limit device, comprising a base plate, the front and rear sides of the top of the base plate are fixedly connected with an adjustment mechanism, the right side of the top of the base plate is fixedly connected with an anti-sway and anti-sway mechanism, the top of the adjustment mechanism is fixedly connected with a supporting plate, both sides of the top of the supporting plate are provided with fixing belts, the left side of the base plate is fixedly connected with a mounting plate, the top of the right side of the mounting plate is connected to a blade body by bolts, the left side of the top of the base plate is fixedly connected with a base frame, the top of the base frame is fixedly connected with a limiting bottom block, the top of the limiting bottom block is provided with a limiting top block, the top of the limiting top block is fixedly connected with a connecting strip, the front and rear sides of the top of the base frame are both penetrated and fixedly connected with a first hydraulic rod, and the front side of the base frame is fixedly connected with a controller.
[0007] Preferably, the anti-sway and anti-sway mechanism includes a base frame, the bottom of the base frame is fixedly connected to the base plate, the top of the base frame is fixedly connected to a U-shaped plate, the four corners of the front and rear sides of the U-shaped plate are fixedly connected to second hydraulic rods, the output ends of the second hydraulic rods pass through the U-shaped plate and are fixedly connected to a square plate, the opposite sides of the square plate are fixedly connected to protective pads, the opposite sides of the protective pads are in contact with the blade body, the number of the second hydraulic rods is several, and the output end of the controller is unidirectionally electrically connected to the second hydraulic rods.
[0008] Preferably, the adjusting mechanism includes a mounting plate, the bottom of the mounting plate is fixedly connected to the base plate, the left side of the front mounting plate is connected to a driving motor by bolts, the output end of the driving motor passes through the front mounting plate and is fixedly connected to a screw, the right end of the screw is movably connected to the front mounting plate by a bearing, the opposite side of the rear mounting plate is fixedly connected to a guide rod, the surface of the screw passes through an adjusting plate threadedly connected, the rear sides of both sides of the adjusting plate are slidingly connected to the guide rod, the top of the mounting plate is provided with a travel groove, the front and rear sides of the bottom of the adjusting plate extend to the bottom of the travel groove, the top of the adjusting plate is fixedly connected to the supporting plate, and the output end of the controller is unidirectionally electrically connected to the driving motor.
[0009] Preferably, an anti-wear pad is fixedly connected to the top of the support plate, the output end of the first hydraulic rod is fixedly connected to the connecting strip plate, and the output end of the controller is unidirectionally electrically connected to the first hydraulic rod.
[0010] Preferably, a soft cushion block is provided on one side opposite to the limiting bottom block and the limiting top block, and the opposite side of the soft cushion block is in contact with the blade body, and the number of the first hydraulic rods is four.
[0011] Preferably, mounting hole blocks are fixedly connected on both sides of the base plate, reinforcing blocks are fixedly connected on both sides of the right bottom of the mounting plate, and the bottom of the reinforcing blocks is fixedly connected to the base plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. The utility model has the function of anti-swaying and anti-swaying through the cooperation of the base frame, U-shaped plate, second hydraulic rod, square plate and protective pad. First, the second hydraulic rod is started by the controller, and the second hydraulic rods on the front and rear sides are started and push the two protective pads to move relative to each other through the square plate until the blade body is clamped. This mechanism can effectively avoid the situation of unstable limit caused by excessive shaking of the tail during the transportation of longer blades, and can also prevent the windmill blades from being accidentally damaged.
[0014] 2. The utility model has an adjustment function through the cooperation of the mounting frame, the driving motor, the screw, the guide rod and the adjustment plate. First, the driving motor is started by the controller to drive the screw to rotate. When the screw rotates, it will drive the adjustment plate to move laterally along the guide rod. At the same time, the adjustment plate will drive the supporting plate to move to the appropriate second limit position according to the length of the blade body. This mechanism can effectively adjust the position of the second limit assembly according to the length of the blade body, so that the device can limit blades of different lengths. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is the axonometric drawing of the structure of the utility model;
[0016] Figure 2 This is a rear axonometric view of the structure of the utility model;
[0017] Figure 3 It is a sectional axonometric view of the local structure of the utility model;
[0018] Figure 4 This is a sectional isometric view of the adjustment mechanism of the utility model;
[0019] Figure 5 It is a sectional axonometric view of the anti-sway and anti-wobble mechanism of the utility model.
[0020] In the figure: 1. base plate; 2. adjustment mechanism; 3. anti-sway and anti-sway mechanism; 4. supporting plate; 5. fixing belt; 6. mounting plate; 7. blade body; 8. base frame; 9. limiting bottom block; 10. limiting top block; 11. connecting strip; 12. first hydraulic rod; 13. controller; 14. base frame; 15. U-shaped plate; 16. second hydraulic rod; 17. square plate; 18. protective pad; 19. mounting frame plate; 20. driving motor; 21. screw rod; 22. guide rod; 23. adjustment plate. DETAILED DESCRIPTION
[0021] See also Figure 1-Figure 5 A 10MW wind turbine blade transport adjustable limiting device comprises a base plate 1, the front and rear sides of the top of the base plate 1 are fixedly connected with an adjusting mechanism 2, the right side of the top of the base plate 1 is fixedly connected with an anti-sway and anti-sway mechanism 3, the top of the adjusting mechanism 2 is fixedly connected with a supporting plate 4, both sides of the top of the supporting plate 4 are provided with fixing belts 5, the left side of the base plate 1 is fixedly connected with a mounting plate 6, the top of the right side of the mounting plate 6 is connected with a blade body 7 by bolts, the left side of the top of the base plate 1 is fixedly connected with a base frame 8, the top of the base frame 8 is fixedly connected with a limiting bottom block 9, the top of the limiting bottom block 9 is provided with a limiting top block 10, the top of the limiting top block 10 is fixedly connected with a connecting strip 11, the front and rear sides of the top of the base frame 8 are both penetrated and fixedly connected with a first hydraulic rod 12, and the front side of the base frame 8 is fixedly connected with a controller 13.
[0022] See also Figure 1 , Figure 2 and Figure 5 The anti-sway and anti-sway mechanism 3 includes a base frame 14, the bottom of the base frame 14 is fixedly connected to the base plate 1, the top of the base frame 14 is fixedly connected to a U-shaped plate 15, the four corners of the front and rear sides of the U-shaped plate 15 are fixedly connected to a second hydraulic rod 16, the output ends of the second hydraulic rod 16 pass through the U-shaped plate 15 and are fixedly connected to a square plate 17, the opposite sides of the square plate 17 are fixedly connected to a protective pad 18, the opposite sides of the protective pad 18 are in contact with the blade body 7, the number of the second hydraulic rods 16 is several, the output end of the controller 13 is unidirectionally electrically connected to the second hydraulic rod 16, and the protective pad 18 is provided to play an auxiliary role, which can play a buffering role in the clamping and limiting process, and at the same time, it can also prevent the surface of the blade body 7 from being bumped.
[0023] See also Figure 1 , Figure 2 and Figure 4 The adjusting mechanism 2 includes a mounting frame plate 19, the bottom of which is fixedly connected to the base plate 1, and the left side of the mounting frame plate 19 on the front side is connected with a driving motor 20 by bolts. The output end of the driving motor 20 passes through the mounting frame plate 19 on the front side and is fixedly connected with a screw rod 21. The right end of the screw rod 21 is movably connected to the mounting frame plate 19 on the front side through a bearing. A guide rod 22 is fixedly connected to the opposite side of the mounting frame plate 19 on the rear side, and an adjusting plate 23 is threadedly connected to the surface of the screw rod 21. The rear sides of both sides of the adjusting plate 23 are slidably connected with the guide rod 22. A travel groove is opened at the top of the mounting frame plate 19, and the front and rear sides of the bottom of the adjusting plate 23 extend to the bottom of the travel groove. The top of the adjusting plate 23 is fixedly connected to the supporting plate 4, and the output end of the controller 13 is unidirectionally electrically connected to the driving motor 20. By setting the guide rod 22, it plays an auxiliary guiding role and can cooperate with the travel groove when in use, so that the adjusting plate 23 can run more smoothly.
[0024] See also Figure 1 , Figure 2 and Figure 3 A wear-resistant pad is fixedly connected to the top of the supporting plate 4, the output end of the first hydraulic rod 12 is fixedly connected to the connecting strip 11, and the output end of the controller 13 is unidirectionally electrically connected to the first hydraulic rod 12. By setting the wear-resistant pad, a protective effect is played, which can prevent the supporting plate 4 from scratching the surface of the blade body 7.
[0025] See also Figure 1 , Figure 2 and Figure 3, a soft pad is provided on the side opposite to the limiting bottom block 9 and the limiting top block 10, and the opposite side of the soft pad is in contact with the blade body 7. There are four first hydraulic rods 12. By providing the soft pad, an auxiliary role is played, and the blade body 7 can be protected when the first hydraulic rod 12 drives the limiting top block 10 to move downward.
[0026] See also Figure 1 , Figure 2 and Figure 3 Both sides of the substrate 1 are fixedly connected with mounting hole blocks, and both sides of the right bottom of the mounting plate 6 are fixedly connected with reinforcement blocks. The bottom of the reinforcement block is fixedly connected to the substrate 1. By setting the reinforcement block, it plays an auxiliary reinforcement role, which can enhance the use strength of the mounting plate 6 and avoid its possible breakage.
[0027] When in use, first fix the device on the transport device through the mounting hole block on the base plate 1, then place the cylindrical end of the blade on the top of the limiting bottom block 9 with the soft pad, and connect the cylindrical end to the mounting plate 6 through bolts, and start the first hydraulic rod 12 through the controller 13. The first hydraulic rod 12 is shortened and drives the limiting top block 10 to move down through the connecting strip plate 11 to limit the blade for the first time. The second limit position can be adjusted according to the length of the blade body 7. First, start the drive motor 20 through the controller 13 to drive the screw 21 to rotate. When the screw 21 rotates, it will drive the adjustment plate 23 to move laterally along the guide rod 22. At the same time, the adjustment plate 23 will drive the supporting plate 4 to move to the appropriate second limit position according to the length of the blade body 7. This mechanism can The position of the second limit assembly can be effectively adjusted according to the length of the blade body 7, so that the device can limit blades of different lengths, thereby completing the adjustment process. After the support plate 4 is adjusted and supported, the blade is fixed using the fixing belt 5 to complete the limiting at the second limit position. When limiting longer blades, the second hydraulic rod 16 is first started through the controller 13, and the second hydraulic rods 16 on the front and rear sides are started and push the two protective pads 18 to move relative to each other through the square plate 17 until the blade body 7 is clamped. This mechanism can effectively avoid the unstable limiting caused by excessive tail shaking during the transportation of longer blades, and can also prevent the windmill blades from being accidentally damaged, thereby completing the anti-sway and anti-sway process.
[0028] In summary: the adjustable 10MW wind turbine blade transportation limiting device, through the cooperation of the base frame 14, U-shaped plate 15, second hydraulic rod 16, square plate 17, protective pad 18, mounting frame plate 19, drive motor 20, screw 21, guide rod 22 and adjustment plate 23, solves the problem that the existing limiting device has no anti-sway and anti-sway treatment during use and no adjustment function.
Claims
1. An adjustable 10MW wind turbine blade transport limiting device, comprising a base plate (1), characterized in that: The front and rear sides of the top of the base plate (1) are fixedly connected to an adjustment mechanism (2); the right side of the top of the base plate (1) is fixedly connected to an anti-sway and anti-sway mechanism (3); the top of the adjustment mechanism (2) is fixedly connected to a support plate (4); both sides of the top of the support plate (4) are provided with fixing belts (5); the left side of the base plate (1) is fixedly connected to a mounting plate (6); the top of the right side of the mounting plate (6) is connected to a blade body (7) by bolts; the left side of the top of the base plate (1) is fixedly connected to a base frame (8); the top of the base frame (8) is fixedly connected to a limiting bottom block (9); the top of the limiting bottom block (9) is provided with a limiting top block (10); the top of the limiting top block (10) is fixedly connected to a connecting strip (11); the front and rear sides of the top of the base frame (8) are both fixedly connected to a first hydraulic rod (12); the front side of the base frame (8) is fixedly connected to a controller (13).
2. The adjustable 10MW wind turbine blade transportation limiting device according to claim 1 is characterized by: The anti-sway and anti-sway mechanism (3) comprises a base frame (14), the bottom of the base frame (14) is fixedly connected to the base plate (1), the top of the base frame (14) is fixedly connected to a U-shaped plate (15), the four corners of the front and rear sides of the U-shaped plate (15) are fixedly connected to second hydraulic rods (16), the output ends of the second hydraulic rods (16) pass through the U-shaped plate (15) and are fixedly connected to a square plate (17), the opposite sides of the square plate (17) are fixedly connected to protective pads (18), the opposite sides of the protective pads (18) are in contact with the blade body (7), the number of the second hydraulic rods (16) is multiple, and the output end of the controller (13) is unidirectionally electrically connected to the second hydraulic rods (16).
3. The adjustable 10MW wind turbine blade transportation limiting device according to claim 1 is characterized by: The adjusting mechanism (2) comprises a mounting frame plate (19), the bottom of which is fixedly connected to the base plate (1), the left side of the front mounting frame plate (19) is connected to a driving motor (20) via bolts, the output end of the driving motor (20) passes through the front mounting frame plate (19) and is fixedly connected to a screw rod (21), the right end of the screw rod (21) is movably connected to the front mounting frame plate (19) via a bearing, and the opposite side of the rear mounting frame plate (19) is fixedly connected to the rear mounting frame plate (19). A guide rod (22) is fixedly connected, an adjustment plate (23) is threadedly connected through the surface of the screw rod (21), the rear sides of both sides of the adjustment plate (23) are slidably connected to the guide rod (22), a travel groove is opened on the top of the mounting frame plate (19), the front side and the rear side of the bottom of the adjustment plate (23) both extend to the bottom of the travel groove, the top of the adjustment plate (23) is fixedly connected to the supporting plate (4), and the output end of the controller (13) is unidirectionally electrically connected to the drive motor (20).
4. The adjustable 10MW wind turbine blade transportation limiting device according to claim 1 is characterized by: The top of the support plate (4) is fixedly connected with an anti-wear pad, the output end of the first hydraulic rod (12) is fixedly connected to the connecting strip plate (11), and the output end of the controller (13) is unidirectionally electrically connected to the first hydraulic rod (12).
5. The adjustable 10MW wind turbine blade transportation limiting device according to claim 1 is characterized in that: A soft cushion block is provided on the side opposite to the limiting bottom block (9) and the limiting top block (10), and the side opposite to the soft cushion block is in contact with the blade body (7). The number of the first hydraulic rods (12) is four.
6. The adjustable 10MW wind turbine blade transportation limiting device according to claim 1 is characterized by: Both sides of the base plate (1) are fixedly connected with mounting hole blocks, and both sides of the right bottom of the mounting plate (6) are fixedly connected with reinforcement blocks, and the bottom of the reinforcement block is fixedly connected to the base plate (1).