Punching and positioning tool for drainage hole of wind power blade

Abstract

The utility model belongs to the technical field of wind power equipment, and particularly discloses a wind power blade drainage hole punching and positioning tool which comprises at least one set of clamping units and a fixing unit, one side of each clamping unit is fixed to the fixing unit, and the clamping units are used for clamping and fixing the fixing unit. The fixing unit comprises an upper profile plate and a supporting plate assembly which are located on the two sides of the wind power blade respectively, clamping ends are arranged on one side of the clamping unit and located on the two sides of the rear edge of the wind power blade, the upper profile plate comprises a first fixing block, a second fixing block and a third fixing block, and the first fixing block and the third fixing block are arranged on the two sides of the second fixing block. The first fixing block is provided with an inclined guide hole, the upper side of the guide hole is arranged on the side close to the second fixing block, the lower side of the guide hole is arranged on the side away from the second fixing block, and the guide hole is used for guiding a drilling device to drill holes in the wind power blade. According to the technical scheme, the tool capable of effectively controlling the drilling angle is provided, and the accuracy of the drilling angle is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of wind power equipment, and particularly relates to a punching and positioning tooling for drainage holes of wind power blades. Background Art

[0002] During the operation of wind power blades, due to temperature differences, a large amount of condensed water will accumulate inside the blades. If the condensed water is not drained in time, it may damage the main engine. Therefore, a plurality of drainage holes with a certain angle need to be provided at the tip of the wind power blade. At present, the manufacturing process of the drainage holes is to first draw the center line position of the holes on the tip of the wind power blade according to the drawing dimensions, and the manual operator holds the drill bit and drills a plurality of drainage holes with a certain angle on the wind power blade by visual inspection. The existing drilling method is entirely operated based on the experience of workers, and it is impossible to ensure that the drilling angle of the drainage holes meets the design requirements. Content of the Utility Model

[0003] The purpose of the utility model is to provide a punching and positioning tooling for drainage holes of wind power blades, so as to solve the problem that workers cannot ensure the drilling angle of the drainage holes when drilling the tip of the wind power blade in the prior art, thereby providing a punching and positioning tooling to ensure the accuracy of the drilling angle.

[0004] To achieve the above purpose, the technical solution of the utility model is: a punching and positioning tooling for drainage holes of wind power blades, including a clamping unit and a fixing unit. One side of the clamping unit is fixed to the fixing unit. At least one group of the clamping units is provided, and the clamping unit is used to clamp and fix the fixing unit. The fixing unit includes an upper type panel and a support plate assembly located on both sides of the wind power blade respectively. The sides of the upper type panel and the support plate assembly close to each other are in contact with the wind power blade respectively. One side of the clamping unit is provided with a clamping end, and the clamping end is located on both sides of the trailing edge position of the wind power blade. The upper type panel includes a first fixing block, a second fixing block and a third fixing block. The first fixing block and the third fixing block are arranged on both sides of the second fixing block. The first fixing block is arranged on the side far from the trailing edge position of the wind power blade. The first fixing block is provided with an inclined guide hole. The upper side of the guide hole is arranged on the side close to the second fixing block, and the lower side of the guide hole is arranged on the side far from the second fixing block. The guide hole is used for guiding the drilling device to drill the wind power blade.

[0005] Further, the clamping unit adopts quick clamps. The clamping ends of the quick clamps are respectively provided with a first clamping part and a second clamping part, and the first clamping part and the second clamping part are used to clamp and fix the upper type panel and the support plate assembly.

[0006] Further, a threaded hole facing the first clamping portion is provided on the second clamping portion. An adjustable device is connected to the threaded hole. The adjustable device includes a locking bolt, an upper locking nut, and a lower locking nut. The locking bolt is screwed onto the threaded hole of the second clamping portion. The end face of the head of the locking bolt is fixed to one side of the support plate assembly. The upper locking nut and the lower locking nut screwed onto the locking bolt are respectively arranged on the upper side and the lower side of the second clamping portion.

[0007] Further, the side of the upper mold panel in contact with the wind turbine blade is processed by numerical control, and the side of the support plate assembly in contact with the wind turbine blade is processed by numerical control. The sides of the upper mold panel and the support plate assembly in contact with the wind turbine blade are shaped accordingly.

[0008] Further, the handle ends of the quick clamps are respectively provided with a first handle and a second handle. The first handle and the second handle are used to drive the first clamping portion and the second clamping portion to clamp and fix the upper mold panel and the support plate assembly.

[0009] The working principle of this technical solution is as follows:

[0010] First, the upper locking nut is threadedly connected to the locking bolt, so that the upper locking nut is close to one side of the head of the locking bolt. The head of the locking bolt and the upper locking nut are arranged on the upper side of the second clamping portion. The threaded section of the locking bolt is threadedly connected to the threaded hole of the second clamping portion. Then, the lower locking nut is threadedly connected to the locking bolt and arranged on the lower side of the second clamping portion. Place the upper mold panel on the PS surface of the wind turbine blade, and place the support plate assembly on the SS surface of the wind turbine blade. Manipulate the first handle and the second handle of the two groups of clamping units to drive the two groups of first clamping portions to respectively press on the front and rear sides of the upper mold panel. The two groups of second clamping portions drive the end face of the head of the locking bolt to press on the lower side of the support plate assembly, so that the upper mold panel and the support plate assembly are pressed on both sides of the wind turbine blade. Fix the upper locking nut and the lower locking nut on both sides of the second clamping portion, and spot-weld the end face of the head of the locking bolt on the two groups of second clamping portions to the support plate assembly. The drilling device is guided along the guide hole and drills drain holes with consistent angles on the wind turbine blade.

[0011] The beneficial effects of this technical solution are as follows:

[0012] ① In this technical solution, manipulate the first handle and the second handle of the clamping unit to drive the second clamping portion and the first clamping portion to clamp and fix the upper mold panel and the support plate assembly. The first clamping portion presses on the upper side of the upper mold panel, and the second clamping portion drives the end face of the head of the locking bolt to press on the lower side of the support plate assembly, so that the upper mold panel and the support plate assembly are pressed on both sides of the wind turbine blade, and the end face of the head of the locking bolt on the second clamping portion is spot-welded to the support plate assembly. During the drilling process, the drilling angle does not need to be manually controlled, ensuring the accuracy of the drilling angle.

[0013] ②In this technical solution, through the guiding holes provided on the upper mold panel of the wind power blade, a plurality of drain holes with consistent angles are drilled, so that the condensed water accumulated inside the wind power blade can be discharged in time, avoiding damage to the main engine due to the large accumulation of condensed water inside the wind power blade, and improving the service life of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axial structural schematic diagram of a punching and positioning tool for drain holes of a wind power blade of the present utility model;

[0015] Figure 2 is Figure 1 a schematic diagram of product use. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0016] The following will be further described in detail through specific embodiments:

[0017] The reference numerals in the accompanying drawings of the specification include: wind power blade 1, upper mold panel 2, first fixing block 3, second fixing block 4, third fixing block 5, guiding hole 6, support plate 7, locking bolt 8, upper locking nut 9, lower locking nut 10, quick clamp 11, upper clamping member 12, lower clamping member 13, first clamping portion 14, second clamping portion 15, upper handle member 16, lower handle member 17, first handle 18, second handle 19.

[0018] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0019] The embodiment is basically as shown in the attached Figure 1-2As shown: A positioning tool for drilling drainage holes in a wind turbine blade, including a clamping unit and a fixing unit. In this embodiment, the clamping unit uses two sets of quick clamps 11. Each set of quick clamps 11 includes an upper clamping member 12, a lower clamping member 13, an upper handle member 16, and a lower handle member 17. The upper clamping member 12 and the lower clamping member 13 are cross - arranged and rotatably connected at the cross - position. The left sides of the upper clamping member 12 and the lower clamping member 13 are the clamping ends. The clamping ends of the upper clamping member 12 and the lower clamping member 13 are respectively provided with a first clamping portion 14 and a second clamping portion 15. The upper handle member 16 and the lower handle member 17 are cross - arranged and rotatably connected at the cross - position. A locking mechanism is arranged at the cross - position on the left side of the upper handle member 16 and the lower handle member 17. A limiting spring is arranged inside the locking mechanism for limiting. The upper handle member 16 drives the lower clamping member 13 to move, and the lower handle member 17 drives the upper clamping member 12 to move. The right sides of the upper handle member 16 and the lower handle member 17 are the handle ends. The handle ends of the upper handle member 16 and the lower handle member 17 are respectively provided with a first handle 18 and a second handle 19. Operating the first handle 18 and the second handle 19 of the quick clamp 11 drives the second clamping portion 15 and the first clamping portion 14 to move. The limiting spring arranged inside the locking mechanism can automatically lock and maintain the fixed state of the upper clamping member 12 and the lower clamping member 13 of the quick clamp 11 when tightened, so that the first clamping portion 14 and the second clamping portion 15 clamp and fix the upper mold panel 2 and the support plate assembly.

[0020] The fixing unit includes an upper mold panel 2 and a support plate assembly. The upper mold panel 2 is located on the upper side of the wind turbine blade 1 and fits on the PS surface of the wind turbine blade 1. The side of the upper mold panel 2 in contact with the wind turbine blade 1 is processed by numerical control. The lower side of the upper mold panel 2 is conformally arranged with the PS surface of the wind turbine blade 1. The upper mold panel 2 includes a first fixing block 3, a second fixing block 4, and a third fixing block 5. The first fixing block 3 and the third fixing block 5 are respectively vertically connected to the left and right sides of the second fixing block 4, forming a Z - shaped structure. The clamping ends of the quick clamps 11 are located on the upper and lower sides of the trailing edge position of the wind turbine blade 1. Two sets of inclined guide holes 6 are arranged on the first fixing block 3. The upper sides of the two sets of guide holes 6 are arranged on the side close to the second fixing block 4, and the lower sides of the two sets of guide holes 6 are arranged on the side far from the second fixing block 4. The diameter of the guide hole 6 is larger than the diameter of the drilling device and is used for guiding the drilling device when drilling the wind turbine blade 1. The lower side of the first fixing block 3 matches the shape of the wind turbine blade 1, the lower side of the second fixing block 4 matches the shape of the wind turbine blade 1, the third fixing block 5 is connected to the right side of the second fixing block 4, and the inner side of the third fixing block 5 matches the shape of the wind turbine blade 1. The positioning of the third fixing block 5 makes the side of the upper mold panel 2 in contact with the wind turbine blade 1 completely fit on the PS surface of the wind turbine blade 1.

[0021] The pallet assembly is located on the lower side of the wind turbine blade 1. The pallet assembly includes at least one group of pallets 7, and the pallets 7 are arranged in one-to-one correspondence with the quick clamps 11. The upper side of the pallet 7 is attached to the SS surface of the wind turbine blade 1. The upper side of the pallet 7 is machined numerically controlled, and the upper side of the pallet 7 is shaped to conform to the SS profile of the wind turbine blade 1.

[0022] Vertical threaded holes are provided on the second clamping parts 15. The adjustable devices are arranged in one-to-one correspondence with the quick clamps 11. The adjustable devices are arranged between the pallets 7 and the second clamping parts 15. The adjustable device includes a locking bolt 8, an upper locking nut 9 and a lower locking nut 10. The locking bolt 8 is screwed into the threaded hole of the second clamping part 15. The end face of the head of the locking bolt 8 is used to fix to the pallet 7. The upper side and the lower side of the second clamping part 15 are respectively provided with the upper locking nut 9 and the lower locking nut 10 screwed onto the locking bolt 8. Clamp the first handles 18 and the second handles 19 of the two groups of quick clamps 11 in this embodiment, drive the first clamping parts 14 of the two groups of quick clamps 11 to be respectively located on the front and rear sides of the upper die plate 2 and press on the second fixing block 4, adjust the height dimension between the end face of the head of the locking bolt 8 and the upper side end face of the first clamping part 14, press the end faces of the heads of the locking bolts 8 on the two groups of second clamping parts 15 against the lower sides of the two groups of pallets 7 respectively, so that the upper die plate 2 and the pallet assembly are pressed on both sides of the wind turbine blade 1, fix the upper locking nut 9 and the lower locking nut 10 on both sides of the second clamping part 15, and then fix the two groups of pallets 7 on the end faces of the heads of the locking bolts 8 of the two groups of second clamping parts 15 respectively.

[0023] The specific implementation process is as follows:

[0024] First, thread the upper locking nut 9 onto the locking bolt 8 so that the upper locking nut 9 is close to one side of the head of the locking bolt 8. Set the head of the locking bolt 8 and the upper locking nut 9 on the upper side of the second clamping part 15. Thread the threaded section of the locking bolt 8 into the threaded hole of the second clamping part 15, and then thread the lower locking nut 10 onto the locking bolt 8 and set it on the lower side of the second clamping part 15. Place the upper die plate 2 on the PS surface of the wind turbine blade 1, place the pallet assembly on the SS surface of the wind turbine blade 1, manipulate the first handles 18 and the second handles 19 of the two groups of clamping units, drive the two groups of first clamping parts 14 to be respectively pressed on the front and rear sides of the upper die plate 2, and drive the end faces of the heads of the locking bolts 8 of the two groups of second clamping parts 15 to press against the lower side of the pallet assembly, so that the upper die plate 2 and the pallet assembly are pressed on both sides of the wind turbine blade 1. Fix the upper locking nut 9 and the lower locking nut 10 on both sides of the second clamping part 15, spot-weld the end faces of the heads of the locking bolts 8 on the two groups of second clamping parts 15 to the pallet assembly, and the drilling device makes drain holes with consistent angles on the wind turbine blade 1 along the guidance of the guide holes 6.

[0025] It should be noted that in this text, relational terms such as first and second are only used 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 term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0026] The above are only embodiments of the present utility model. Common knowledge such as the specific structure and characteristics in the solution are not described in detail herein. Those of ordinary skill in the art know all the common general technical knowledge in the technical field to which the invention pertains before the filing date or the priority date, can know all the existing technologies in this field, and have the ability to apply conventional experimental means before this date. Those of ordinary skill in the art can, under the inspiration given in this application, combine their own abilities to complete and implement this solution. Some typical well-known structures or well-known methods should not be an obstacle for those of ordinary skill in the art to implement this application. It should be pointed out that for those skilled in the art, without departing from the structure of the present utility model, several deformations and improvements can be made, and these should also be regarded as the protection scope of the present utility model, and these will not affect the implementation effect of the present utility model and the practicality of the patent. The protection scope required by this application should be based on the content of its claims, and the specific implementation manners and the like recorded in the specification can be used to interpret the content of the claims.

Claims

1. A positioning tool for drilling drainage holes in a wind turbine blade, characterized in that: It includes a clamping unit and a fixing unit. One side of the clamping unit is fixed to the fixing unit. There is at least one set of the clamping unit, and the clamping unit is used to clamp and fix the fixing unit. The fixing unit includes an upper mold panel (2) and a pallet assembly respectively located on both sides of the wind power blade (1). The sides of the upper mold panel (2) and the pallet assembly close to each other are respectively in contact with the wind power blade (1). One side of the clamping unit is provided with a clamping end, and the clamping end is located on both sides of the trailing edge position of the wind power blade (1). The upper mold panel (2) includes a first fixing block (3), a second fixing block (4) and a third fixing block (5). The first fixing block (3) and the third fixing block (5) are arranged on both sides of the second fixing block (4). The first fixing block (3) is arranged on the side far from the trailing edge position of the wind power blade (1). An inclined guide hole (6) is provided on the first fixing block (3). The upper side of the guide hole (6) is arranged on the side close to the second fixing block (4), and the lower side of the guide hole (6) is arranged on the side far from the second fixing block (4). The guide hole (6) is used to guide the drilling device to drill the wind power blade (1).

2. The punching and positioning tooling for drainage holes of a wind turbine blade according to claim 1, wherein: The clamping unit adopts a quick clamp (11). The clamping ends of the quick clamp (11) are respectively provided with a first clamping part (14) and a second clamping part (15). The first clamping part (14) and the second clamping part (15) are used to clamp and fix the upper mold panel (2) and the pallet assembly.

3. A punching and positioning tooling for drainage holes of a wind power blade according to claim 2, characterized in that: A threaded hole opposite to the first clamping part (14) is provided on the second clamping part (15). An adjustable device is connected to the threaded hole. The adjustable device includes a locking bolt (8), an upper locking nut (9) and a lower locking nut (10). The locking bolt (8) is screwed onto the threaded hole of the second clamping part (15). The head end face of the locking bolt (8) is fixed to one side of the pallet assembly. The upper side and the lower side of the second clamping part (15) are respectively provided with the upper locking nut (9) and the lower locking nut (10) screwed onto the locking bolt (8).

4. A punching and positioning tooling for drainage holes of a wind power blade according to claim 1, characterized in that: The side of the upper mold panel (2) in contact with the wind power blade (1) is processed by numerical control, and the side of the pallet assembly in contact with the wind power blade (1) is processed by numerical control. The sides of the upper mold panel (2) and the pallet assembly in contact with the wind power blade (1) are conformally arranged.

5. A punching and positioning tooling for drainage holes of a wind power blade according to claim 2, characterized in that: The handle ends of the quick clamp (11) are respectively provided with a first handle (18) and a second handle (19). The first handle (18) and the second handle (19) are used to drive the first clamping part (14) and the second clamping part (15) to clamp and fix the upper mold panel (2) and the pallet assembly.

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