CN117621491A - Device and method for bundling tail end of blade root prefabricated part - Google Patents
Device and method for bundling tail end of blade root prefabricated part Download PDFInfo
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- CN117621491A CN117621491A CN202311625886.4A CN202311625886A CN117621491A CN 117621491 A CN117621491 A CN 117621491A CN 202311625886 A CN202311625886 A CN 202311625886A CN 117621491 A CN117621491 A CN 117621491A
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- blade root
- plate
- tail end
- beamforming
- prefabricated member
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008093 supporting effect Effects 0.000 claims description 21
- 239000004744 fabric Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims description 3
- 238000003892 spreading Methods 0.000 claims description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000452 restraining effect Effects 0.000 abstract description 2
- 239000000306 component Substances 0.000 description 16
- 238000003825 pressing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002390 adhesive tape Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011152 fibreglass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/54—Component parts, details or accessories; Auxiliary operations, e.g. feeding or storage of prepregs or SMC after impregnation or during ageing
- B29C70/541—Positioning reinforcements in a mould, e.g. using clamping means for the reinforcement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/08—Blades for rotors, stators, fans, turbines or the like, e.g. screw propellers
- B29L2031/082—Blades, e.g. for helicopters
- B29L2031/085—Wind turbine blades
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to blade root prefabricated part production equipment, and provides a blade root prefabricated part tail end beam-shaped device which comprises an inner beam-shaped plate (1), an outer beam-shaped plate (2) and a clamping assembly (5), wherein the inner side surface of the tail end of a blade root prefabricated part (6) is in a shape following mode, the outer beam-shaped plate (2) and the outer side surface of the tail end of the blade root prefabricated part (6) are in a shape following mode, the inner Shu Xingban (1) and the outer beam-shaped plate (2) are used for clamping the tail end of the blade root prefabricated part (6) in a matched mode, the clamping assembly (5) is used for clamping the inner Shu Xingban (1) and the outer beam-shaped plate (2), and a shape following adjusting assembly used for restraining the shape following mode of the inner Shu Xingban (1) is arranged on the inner Shu Xingban (1). The device can effectively restrict the deformation of the blade root prefabricated member in the process of parking and forming, and ensures the forming quality of the blade. The invention also provides a method for bundling the tail end of the blade root prefabricated part.
Description
Technical Field
The invention relates to a blade root prefabricated member production device, in particular to a blade root prefabricated member tail end beam-shaped device. In addition, the invention also relates to a method for bundling the tail end of the blade root prefabricated part.
Background
The fan blade is one of core components of the wind driven generator, along with the large-scale development of the wind driven generator, the length and the weight of the blade are continuously increased, and the blade root is taken as a key component of the blade, so that the paving quality of the blade root is important.
In the prior art, a manufacturing process for prefabricating a blade root is commonly used for a long and flexible blade, and the paving quality of the blade root can be effectively controlled by independently manufacturing the blade root area so as to ensure the quality of a blade product. Deformation of the blade root preform during the blade forming process can lead to the creation of a number of serious defects. The method is characterized in that the starting point position of the blade root prefabricated member is focused by people due to the fact that the layering is thickest, the deformation adjustment difficulty is high, the assembly deviation is visual, and corresponding solutions are designed from the directions of tooling technology and the like. While parking and assembly after demolding of the preforms lacks sufficient attention for deformation of the root preform ends. The deformation of the end of the preform will cause wrinkling of the lay-up structure at the current location, which cannot be effectively identified after the ejector die, and eventually cracks during operation of the blade, more seriously, even with the risk of breakage at that location.
Disclosure of Invention
The invention aims to solve the technical problem of providing a tail end beam-forming device for a blade root prefabricated member, which can effectively restrict deformation of the blade root prefabricated member in the process of parking and forming and ensure the forming quality of the blade.
The invention also solves the technical problem of providing a method for bundling the tail end of the blade root prefabricated member, which can effectively restrict the deformation of the blade root prefabricated member in the process of parking and forming and ensure the forming quality of the blade.
In order to solve the technical problems, the invention provides a tail end beam-forming device for a blade root prefabricated member, which comprises an inner beam-forming plate, an outer beam-forming plate and a clamping assembly, wherein the inner beam-forming plate is in shape following with the inner side surface of the tail end of the blade root prefabricated member, the outer beam-forming plate is in shape following with the outer side surface of the tail end of the blade root prefabricated member, the inner beam-forming plate and the outer beam-forming plate are used for clamping the tail end of the blade root prefabricated member in a matched mode, the clamping assembly is used for clamping the inner beam-forming plate and the outer beam-forming plate, and the inner beam-forming plate is provided with a shape following adjusting assembly used for restraining the shape following of the inner beam-forming plate.
In some embodiments, the inner beam-forming plate comprises an inner beam-forming rigid plate and a follower block, the follower block being contoured with an inner side of the root preform end, the follower block being disposed on a side of the inner beam-forming rigid plate adjacent the root preform, the clamping assembly being arranged for clamping the inner beam-forming rigid plate and the outer beam-forming plate.
In some embodiments, the outer beam plate comprises an outer beam-shaped main plate and a beam-shaped plate lining, the outer beam-shaped main plate and the outer side surface of the tail end of the blade root prefabricated member follow the shape, the beam-shaped plate lining is adhered and covered on the follow-shaped surface of the outer beam-shaped main plate, and the Shu Xingban lining is arranged on one side surface of the outer beam-shaped main plate, which is close to the blade root prefabricated member.
In some embodiments, the follower and the outer beam main plate are both glass fiber reinforced plastic pieces.
In some embodiments, the conformal adjustment component includes a chordwise adjustment component disposed on an inner side of the inner bunched rigid plate to enable adjustment of a chordwise dimension of the inner bunched rigid plate and an axial adjustment component disposed between the inner bunched rigid plate and the blade root preform to enable adjustment of an axial tilt angle between the inner bunched rigid plate and an inner side of a distal end of the blade root preform.
In some embodiments, the chord direction adjusting component comprises a chord direction telescopic rod, a thread tee joint and a supporting rod, wherein the transverse two ends of the thread tee joint are respectively in a T shape and are respectively in threaded connection with the chord direction telescopic rod, one ends of the two chord direction telescopic rods, which are far away from the thread tee joint, are respectively connected with two ends of the inner beam-shaped rigid plate, one vertical end of the thread tee joint is in threaded connection with the supporting rod, and one end of the supporting rod, which is far away from the thread tee joint, is connected with the inner beam-shaped rigid plate.
In some embodiments, a circular pad seat is arranged on the inner side surface of the inner beam-shaped rigid plate at a position corresponding to the chordwise telescopic rod and the supporting rod, the chordwise telescopic rod is sleeved in the corresponding circular pad seat, and the supporting rod is in threaded connection with the corresponding circular pad seat.
In some embodiments, the axial adjustment assembly includes an axial adjustment rod and a positioning column, one end of the axial adjustment rod is connected with the inner beam-shaped rigid plate, the other end of the axial adjustment rod extends along an axial direction, one end of the positioning column is used for being positioned on an inner side surface of the blade root prefabricated member, the other end of the positioning column is movably connected with the other end of the axial adjustment rod, and the axial adjustment rod can move along a length direction of the positioning column so as to adjust an axial inclination angle between the inner beam-shaped rigid plate and the inner side surface of the tail end of the blade root prefabricated member.
In some embodiments, the clamping assembly comprises a C-clip and a locking bolt, the inner and outer beam plates are located between the C-clip, the locking bolt is in threaded connection with one end of the C-clip, and tightening the locking bolt can drive the locking bolt to compress against the inner or outer beam plates.
The invention also provides a method for bundling the tail end of the blade root prefabricated member, which adopts any one of the technical schemes, and comprises the following steps:
spreading a release cloth with a reserved width at the position of the prefabricated part mould corresponding to the tail end of the blade root prefabricated part, introducing prefabricated part materials and solidifying;
the inner beam-shaped plate is placed on the inner side surface of the tail end of the blade root prefabricated member, the shape following of the inner beam-shaped plate is restrained by the shape following adjusting component, and the inner beam-shaped plate is attached to the inner side surface of the tail end of the blade root prefabricated member;
when the blade root prefabricated member is subjected to demolding, the outer beam-shaped plate is placed on the outer side face of the tail end of the blade root prefabricated member, so that the outer beam-shaped plate is attached to the outer side face of the tail end of the blade root prefabricated member, and the inner beam-shaped plate and the outer beam-shaped plate are clamped through the clamping assembly;
when the blade root prefabricated member is subjected to an assembling process, loosening the clamping assembly to remove the outer beam-shaped plate, and tightly attaching the outer side surface of the tail end of the blade root prefabricated member to the blade shell mold;
sticking the inner side surface part of the release cloth beyond the tail end of the blade root prefabricated part and the blade shell mould so as to form a sealing space between the blade root prefabricated part and the blade shell mould;
and (3) using vacuum equipment to pump the sealed space into a negative pressure state, and enabling the tail end of the blade root prefabricated member to be stuck to the blade shell mould.
Through the scheme, the beneficial effects of the invention are as follows:
the inner beam-shaped plate and the outer beam-shaped plate of the tail end beam-shaped device of the blade root prefabricated member are manufactured along with the shape corresponding to the inner side surface and the outer side surface of the tail end of the blade root prefabricated member respectively, the inner beam-shaped plate is placed on the inner side surface of the tail end of the blade root prefabricated member, the shape following of the inner beam-shaped plate can be restrained through the shape following adjusting component, the inner side surface is effectively attached, then the outer beam-shaped plate is placed on the outer side surface of the tail end of the blade root prefabricated member and attached, the inner beam-shaped plate and the outer beam-shaped plate are mutually matched under the compression effect of the clamping component, the molded surface of the tail end of the blade root prefabricated member is effectively restrained, deformation of the tail end of the blade root prefabricated member in the process of parking is avoided, and the molding quality of a follow-up blade is ensured.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:
FIG. 1 is a schematic view of an embodiment of a blade root preform end beam-shaping apparatus of the present invention in use;
fig. 2 is an enlarged view of the structure shown at a in fig. 1.
Description of the reference numerals
1. An inner bundle plate; 1-1, an inner beam-shaped rigid plate; 1-2, a round pad seat; 1-3, lifting lugs; 1-4, shape-following blocks; 1-5, an elastic pad; 2. an outer bundle plate; 2-1 an outer bundle motherboard; 2-2, a beam-shaped plate lining; 3. a chordwise adjustment assembly; 3-1, a chord telescopic rod; 3-2 screw thread tee; 3-3, supporting rods; 4. an axial adjustment assembly; 4-1, an axial adjusting rod; 4-2, positioning columns; 5. a clamping assembly; 5-1, C-shaped clips; 5-2, locking the bolt; 6. and (5) prefabricating the blade root.
Detailed Description
The following detailed description of the embodiments of the invention is provided in connection with the accompanying drawings, it being understood that the embodiments described herein are for purposes of illustration and explanation only, and the scope of the invention is not limited to the following embodiments.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "forming," "providing," "arranging," "connecting," etc. are to be construed broadly, and for example, the connection may be a direct connection, an indirect connection via an intermediary, a fixed connection, a removable connection, or an integral connection; either directly or indirectly via intermediate connectors, or by communication between or interaction between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless otherwise indicated, the azimuth or positional relationships indicated by the azimuth words "upper", "lower", "left", "right", etc., are based on the azimuth or positional relationships shown in the drawings, and are merely contacted to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the device or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention; the directional terms of the present invention should be construed in connection with its actual installation state.
In the following description, the "inner side" is a side close to the central axis, the "outer side" is a side far from the central axis, for example, referring to fig. 1, the inner side of the blade root preform 6 is an upper side, and the inner side of the blade root preform 6 is a lower side.
It should be further noted that, in the following description, the "shape-following" refers to that the shape is matched, for example, the inner beam-shaped plate 1 is matched with the inner side surface of the tail end of the blade root prefabricated member 6, that is, the inner beam-shaped plate 1 is matched with the inner side surface of the blade root prefabricated member 6, when the inner beam-shaped plate 1 is in the installation state with the blade root prefabricated member 6, the side surface of the inner beam-shaped plate 1 close to the blade root prefabricated member 6 is matched with the inner side surface thereof, the inner beam-shaped plate 1 can be tightly attached to the inner side surface of the tail end of the blade root prefabricated member 6, and the side surface of the inner beam-shaped plate 1 attached to the inner side surface is the shape-following surface.
In the process of manufacturing the blade, after the blade root prefabricated member is produced and molded, the blade root prefabricated member is placed in a blade shell mold for assembly, the tail end of the blade root prefabricated member is thinner, deformation is easy to occur in the parking process, a layering structure at the current position is folded, and in order to avoid deformation of the tail end of the blade root prefabricated member, the invention provides a tail end beam forming device of the blade root prefabricated member, and fig. 1 and 2 are taken into consideration.
When the blade root prefabricated member is manufactured, after the blade root prefabricated member 6 is solidified, before demolding, the inner beam-shaped plate 1 is placed on the inner side face of the tail end of the blade root prefabricated member 6, the shape following of the inner beam-shaped plate 1 is adjusted through the shape following adjusting component, when the inner beam-shaped plate 1 can be accurately attached to the inner side face of the tail end of the blade root prefabricated member 6, the shape following of the inner beam-shaped plate 1 is restrained, the blade root prefabricated member 6 is demolding again, the outer beam-shaped plate 2 is placed on the outer side face of the tail end of the blade root prefabricated member 6, the inner beam-shaped plate 1 and the outer beam-shaped plate 2 are attached to each other, and therefore the fact that the inner beam-shaped plate 1 and the outer beam-shaped plate 2 are mutually compressed is achieved through the clamping component 5 is guaranteed, the tail end molded surface of the blade root prefabricated member 6 cannot be deformed in the parking process of the blade root prefabricated member 6, and the quality of a blade finished product is improved.
Referring to fig. 1 and 2, the inner beam-shaped plate 1 comprises an inner beam-shaped rigid plate 1-1 and a follow-up block 1-4, the follow-up block 1-4 and the inner side surface of the tail end of the blade root prefabricated member 6 follow-up, the follow-up block 1-4 is arranged on one side surface of the inner beam-shaped rigid plate 1-1 close to the blade root prefabricated member 6, so that the follow-up block 1-4 is positioned between the inner beam-shaped rigid plate 1-1 and the inner side surface of the tail end of the blade root prefabricated member 6, the clamping component 5 is arranged for clamping the inner beam-shaped rigid plate 1-1 and the outer beam-shaped plate 2, the inner beam-shaped rigid plate 1-1 is preferably made of steel materials, the rigidity is better, and in the compression process, the pressure can be shared to the follow-up block 1-4 relatively uniformly, and the shape of the follow-up block 1-4 has a better beam-shaped effect.
As a specific embodiment of the tail end beam forming device of the blade root prefabricated part, the outer beam-forming plate 2 comprises an outer beam-forming main plate 2-1 and a beam-forming plate lining 2-2, the outer beam-forming main plate 2-1 and the outer side surface of the tail end of the blade root prefabricated part 6 follow-up, in order to ensure that the joint surface of the outer beam-forming main plate 2-1 and the follow-up block 1-4 cannot damage the outer side surface of the tail end of the blade root prefabricated part 6 in the clamping process of the clamping assembly 5, the beam-forming plate lining 2-2 is adhered to the follow-up surface of the outer beam-forming main plate 2-1, namely, the beam-forming plate lining 2-2 is arranged on one side surface of the outer beam-forming main plate 2-1 close to the blade root prefabricated part 6, so that the beam-forming plate lining 2-2 is positioned between the follow-up surface of the outer beam-forming main plate 2-1 and the outer side surface of the tail end of the blade root prefabricated part 6, and the elastic pad 1-5 is adhered to the follow-up surface of the follow-up block 1-4, so that the inner side surface and the outer beam-forming plate lining 2 are prevented from being crushed when the clamping assembly 5 clamps the inner beam-forming plate and the tail end of the blade root prefabricated part 6.
As a specific implementation mode of the tail end beam forming device of the blade root prefabricated part, the follow-up blocks 1-4 and the outer beam-shaped main board 2-1 are made of glass fiber reinforced plastics, and a manual paste forming process is adopted, when the blade root prefabricated part 6 is manufactured, before the blade root prefabricated part 6 which is solidified and formed for the first time is not subjected to demolding, glass fiber fabrics and resin are alternately paved on the inner side surface of the tail end of the blade root prefabricated part 6 by manual operation, then solidified and formed into the follow-up blocks 1-4, after demolding, the glass fiber fabrics and the resin are alternately paved on the outer side surface of the tail end of the blade root prefabricated part 6 by manual operation, so that the outer beam-shaped main board 2-1 is formed.
As a specific embodiment of the blade root preform end beam shaping device of the present invention, referring to fig. 1, the shape following adjusting assembly includes a chord direction adjusting assembly 3 and an axial direction adjusting assembly 4, the chord direction adjusting assembly 3 is disposed on an inner side surface of the inner beam-shaped rigid plate 1-1 so as to be capable of adjusting a chord direction dimension of the inner beam-shaped rigid plate 1-1, and the axial direction adjusting assembly 4 is disposed between the inner beam-shaped rigid plate 1-1 and the blade root preform 6 so as to be capable of adjusting an axial inclination angle between the inner beam-shaped rigid plate 1-1 and the inner side surface of the blade root preform 6 end. Wherein, follow-up piece 1-4 is with interior restraint shape rigid plate 1-1 an organic whole bonding, consequently adjust interior restraint shape rigid plate 1-1 through chordwise adjustment subassembly 3 and axial adjustment subassembly 4, just can adjust follow-up piece 1-4 and the follow-up effect of the medial surface at blade root prefab 6 end, better realize the laminating of both.
Specifically, referring to fig. 1 and 2, the chord direction adjusting component 3 includes a chord direction telescopic rod 3-1, a thread tee 3-2 and a supporting rod 3-3, wherein the transverse two ends of the thread tee 3-2 in a T shape are respectively connected with the chord direction telescopic rod 3-1 in a threaded manner, one ends of the two chord direction telescopic rods 3-1, which are far away from the thread tee 3-2, are respectively connected with two ends of the inner beam-shaped rigid plate 1-1, one vertical end of the thread tee 3-2 is in threaded connection with the supporting rod 3-3, and one end of the supporting rod 3-3, which is far away from the thread tee 3-2, is connected with the inner beam-shaped rigid plate 1-1.
More specifically, the inner side surface of the inner beam-shaped rigid plate 1-1 is provided with a circular pad seat 1-2 at the position corresponding to the chordwise telescopic rod 3-1 and the supporting rod 3-3, the chordwise telescopic rod 3-1 is sleeved in the corresponding circular pad seat 1-2, and the supporting rod 3-3 is in threaded connection with the corresponding circular pad seat 1-2. After the inner beam-shaped plate 1 is placed on the inner side surface of the tail end of the blade root prefabricated member 6, two ends of the supporting rod 3-3 are respectively connected with the corresponding circular pad seat 1-2 and the thread tee 3-2 in a threaded mode, the chord-direction telescopic rods 3-1 at two transverse ends of the thread tee 3-2 can be aligned in the corresponding circular pad seat 1-2 through rotating the supporting rod 3-3, the inner diameter of the circular pad seat 1-2 is matched with the outer diameter of the connecting end of the chord-direction telescopic rod 3-1, the circular pad seat 1-2 can restrict radial movement of the chord-direction telescopic rod 3-1, the chord-direction telescopic rods 3-1 are screwed in or out in the thread tee 3-2 to control the integral lengths of the chord-direction telescopic rods 3-1 at two ends, and the chord-direction size of the inner beam-shaped rigid plate 1 is restricted under the supporting action of the two chord-direction telescopic rods 3-1 and the supporting rod 3-3, and the inner beam-shaped plate 1 can be abutted against and attached to the inner side surface of the tail end of the blade root prefabricated member 6.
The above is only one specific embodiment of the chord direction adjusting assembly 3, and it is conceivable that the chord direction telescopic rod 3-1 may also be configured as a hydraulic rod, and the chord direction dimension is constrained by hydraulic action, in addition, the chord direction telescopic rod 3-1 may also be provided with a plurality of pairs, and the plurality of pairs of chord direction telescopic rods 3-1 are arranged at intervals up and down along the length direction of the supporting rod 3-3, so as to be capable of carrying out multi-position abutting on the inner beam-shaped rigid plate 1-1, so as to better constrain the chord direction dimension, and avoid deformation of the tail end of the blade root prefabricated member 6 in the parking process.
Referring to fig. 1, the thickness of the blade root prefabricated member 6 is thinner as the blade root prefabricated member is closer to the tail end, so that a certain axial inclination angle exists on the inner side surface of the tail end of the blade root prefabricated member 6, as a specific embodiment of the blade root prefabricated member tail end beam forming device of the blade, the axial adjusting assembly 4 comprises an axial adjusting rod 4-1 and a positioning column 4-2, one end of the axial adjusting rod 4-1 is connected with the inner beam-shaped rigid plate 1-1, the other end of the axial adjusting rod 4-1 extends along the axial direction, one end of the positioning column 4-2 is used for being positioned on the inner side surface of the blade root prefabricated member 6, the other end of the positioning column 4-2 is movably connected with the other end of the axial adjusting rod 4-1, and the axial adjusting rod 4-1 can move along the length direction of the positioning column 4-2 so as to adjust the axial inclination angle between the inner beam-shaped rigid plate 1-1 and the inner side surface of the tail end of the blade root prefabricated member 6. The axial adjusting rod 4-1 is preferably connected with the inner beam-shaped rigid plate 1-1 by adopting a three-in-one fixing rod, when the three-in-one fixing rod is used for adjusting, the base of the positioning column 4-2 is propped against the inner side surface of the blade root prefabricated member 6, an elastic pad can be arranged on the propping surface of the base so as to avoid damaging the inner side surface, the positioning column 4-2, the axial adjusting rod 4-1 and the inner side surface of the tail end of the blade root prefabricated member 6 form a triangle, the positioning column 4-2 is in threaded connection with the axial adjusting rod 4-1, the distance between the connecting part of the positioning column 4-2 and the axial adjusting rod 4-1 and the base is adjusted by rotating the positioning column 4-2, namely, the length of the triangular edge corresponding to the positioning column 4-2 is adjusted, and when the lengths of the other two edges of the triangle are not changed, the angle between the axial adjusting rod 4-1 and the inner side surface of the tail end of the blade root prefabricated member 6 can be changed, so that the inner beam-shaped rigid plate 1-1 is driven to rotate by the axial adjusting rod 4-1, and the following block 1-4 is more attached. The axial inclination angle is an angle between a straight line formed by a plane in which the central axis of the blade root preform 6 is located and the inner side surface or the surface in which the inner beam-shaped rigid plate 1-1 is located, and the central axis.
The above is only one specific embodiment of the axial adjustment assembly 4, and it is conceivable that an electric cylinder may be fixedly installed at the end of the axial adjustment rod 4-1 away from the inner beam-shaped rigid plate 1-1, and the telescopic end of the electric cylinder is abutted against the inner side surface of the tail end of the blade root prefabricated member 6, so that by controlling the telescopic end to stretch, the end of the axial adjustment rod 4-1 away from the inner beam-shaped rigid plate 1-1 is away from or near the inner side surface of the tail end of the blade root prefabricated member 6, so as to perform axial inclination angle adjustment, and the electric cylinder may be replaced by a hydraulic telescopic rod.
Referring to fig. 1, the clamping assembly 5 includes a C-shaped clamp 5-1 and a locking bolt 5-2, wherein an inner binding plate 1 and an outer binding plate 2 are positioned between the C-shaped clamp 5-1, the locking bolt 5-2 is in threaded connection with one end of the C-shaped clamp 5-1, and tightening of the locking bolt 5-2 can drive the locking bolt 5-2 to compress the inner binding plate 1 or the outer binding plate 2. Wherein, the C-shaped clamp 5-1 and the locking bolt 5-2 are correspondingly propped against the abutting parts of the inner beam-shaped plate 1 and the outer beam-shaped plate 2, and preferably an elastic pad is paved to form protection and prolong the service life.
The above is only one specific embodiment of the clamping assembly 5, and it is conceivable that a spring is also arranged at one end of the C-shaped clamp, one end of the spring is connected with the C-shaped clamp, the other end of the spring is connected with a pressing block, and the elasticity of the spring is used as a pressing force, so that the C-shaped clamp and the pressing block are mutually matched to realize the pressing of the inner beam-shaped plate 1 and the outer beam-shaped plate 2; one end of the C-shaped clamp can be further provided with a hydraulic rod, the telescopic end of the hydraulic rod can be propped against the inner beam-shaped plate 1 or the outer beam-shaped plate 2, hydraulic pressure is used as a pressing force, and the inner beam-shaped plate 1 and the outer beam-shaped plate 2 are pressed.
It should be noted that, in order to facilitate the placement of the inner beam-shaped plate 1 on the inner side surface of the tail end of the blade root prefabricated member 6, referring to fig. 1 and 2, lifting lugs 1-3 are disposed on both ends of the inner beam-shaped rigid plate 1-1, so as to hoist the inner beam-shaped plate 1, and the lifting lugs 1-3 are preferably integrally formed with the inner beam-shaped rigid plate 1-1, so that the inner beam-shaped plate has higher structural strength and ensures the reliability in the hoisting process.
The invention also provides a method for bundling the tail end of the blade root prefabricated member, which comprises the following steps:
spreading a demolding cloth with a reserved width at the position of the prefabricated member mold corresponding to the tail end of the blade root prefabricated member 6, introducing prefabricated member materials and solidifying;
the inner side surface of the tail end of the blade root prefabricated member 6 is provided with an inner beam-shaped plate 1, the shape following of the inner beam-shaped plate 1 is restrained through a shape following adjusting component, namely, the chord direction size of the inner beam-shaped plate 1 is adjusted and restrained through a chord direction adjusting component 3, and the inner beam-shaped plate 1 is attached to the inner side surface of the tail end of the blade root prefabricated member 6 through an axial inclination angle between the inner beam-shaped plate 1 and the inner side surface of the tail end of the blade root prefabricated member 6 through an axial adjusting component 4;
when the blade root prefabricated member 6 is subjected to demolding, an outer beam-shaped plate 2 is placed on the outer side face of the tail end of the blade root prefabricated member 6, the outer beam-shaped plate 2 is attached to the outer side face of the tail end of the blade root prefabricated member 6, and the inner beam-shaped plate 1 and the outer beam-shaped plate 2 are clamped through a clamping assembly 5; under the clamping action of the inner beam-shaped plate 1 and the outer beam-shaped plate 2, the deformation of the molded surface at the tail end of the blade root prefabricated member 6 is effectively avoided in the parking process;
when the blade root prefabricated member 6 is assembled, the clamping assembly 5 is loosened to remove the outer beam-shaped plate 2, at the moment, the inner beam-shaped plate 1 also keeps the surface constraint on the inner side surface of the tail end of the blade root prefabricated member 6, the outer side surface of the tail end of the blade root prefabricated member 6 is tightly attached to the blade shell mould, the tail end of the blade root prefabricated member 6 can be ensured not to be deformed under stress in the attaching process, and in order to ensure the attaching effect, a heavy object can be placed under preferential condition for auxiliary compaction;
because the demolding cloth at the tail end of the blade root prefabricated member 6 is reserved in width, the demolding cloth can be stuck to the inner side surface part of the tail end of the blade root prefabricated member 6 by using a vacuum adhesive tape, and the demolding cloth is stuck to the blade shell mold by using the vacuum adhesive tape so as to form a sealing space between the blade root prefabricated member 6 and the blade shell mold;
vacuum equipment is arranged at the edges of the blade root prefabricated member 6 and the blade shell mould so as to draw the sealed space into a negative pressure state, and the tail end of the blade root prefabricated member 6 is tightly attached to the blade shell mould. And then the inner beam-shaped plate 1 and the shape-following adjusting component are removed, so that the subsequent laying assembly process is convenient.
The tail end beam-forming device of the blade root prefabricated member can effectively restrain the tail end molded surface of the prefabricated member in the layering process from the demolding of the blade root prefabricated member 6, and prevent the occurrence of defects such as layering folds and the like caused by deformation of the tail end of the blade root prefabricated member 6 in the parking process. In addition, by adopting the method for bundling the tail end of the blade root prefabricated member, which is provided by the invention, the demolding cloth with the reserved width is arranged at the tail end of the blade root prefabricated member 6, so that when the blade root prefabricated member 6 is assembled into the blade shell mold, the tail end of the blade root prefabricated member 6 is still tightly pressed by the inner bundling plate 1, the demolding cloth is arranged, so that a vacuum adhesive tape does not need to be adhered between the outer side surface of the tail end of the blade root prefabricated member 6 and the blade shell mold, and in a negative pressure state, the outer side surface of the tail end of the blade root prefabricated member 6 can be tightly adhered to the blade shell mold, the shape following property of the tail end of the blade root prefabricated member 6 and the blade shell mold is improved, the reliability of a product is further improved, and the quality risk is reduced.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the invention are not described in detail in order to avoid unnecessary repetition.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (10)
1. The utility model provides a terminal beam forming device of blade root prefab, its characterized in that includes interior beam plate (1), outer beam plate (2) and clamping component (5), interior Shu Xingban (1) follow the shape with the terminal medial surface of blade root prefab (6), outer beam plate (2) with terminal lateral surface of blade root prefab (6) follows the shape, interior Shu Xingban (1) with outer beam plate (2) are used for the cooperation centre gripping blade root prefab (6) are terminal, clamping component (5) are arranged and are used for right interior Shu Xingban (1) with outer beam plate (2) press from both sides tightly, be provided with on interior Shu Xingban (1) and be used for the constraint follow shape adjusting component of shape of interior Shu Xingban (1).
2. The blade root preform end beamforming device according to claim 1, wherein the inner Shu Xingban (1) comprises an inner beamforming rigid plate (1-1) and a follower block (1-4), the follower block (1-4) being shaped with an inner side of the blade root preform (6) end, the follower block (1-4) being arranged to be arranged on a side of the inner beamforming rigid plate (1-1) close to the blade root preform (6), the clamping assembly (5) being arranged to clamp the inner beamforming rigid plate (1-1) and the outer beamforming plate (2).
3. The blade root preform end beamforming device according to claim 2, wherein the outer beamforming plate (2) comprises an outer beamforming main plate (2-1) and a Shu Xingban lining (2-2), the outer beamforming main plate (2-1) and the outer side surface of the blade root preform (6) end follow, the Shu Xingban lining (2-2) is adhered to the follow-up surface of the outer beamforming main plate (2-1), and the Shu Xingban lining (2-2) is arranged on one side surface of the outer beamforming main plate (2-1) close to the blade root preform (6).
4. A blade root preform end beamforming device according to claim 3, wherein the follower block (1-4) and the outer beamforming master plate (2-1) are both glass fibre reinforced plastic manufactured pieces.
5. The blade root preform end beamforming device according to claim 2, wherein the shape following adjustment assembly comprises a chordwise adjustment assembly (3) and an axial adjustment assembly (4), the chordwise adjustment assembly (3) being arranged at an inner side of the inner beamforming rigid plate (1-1) to enable adjustment of the chordwise dimension of the inner beamforming rigid plate (1-1), the axial adjustment assembly (4) being arranged between the inner beamforming rigid plate (1-1) and the blade root preform (6) to enable adjustment of the axial tilt angle between the inner beamforming rigid plate (1-1) and the inner side of the blade root preform (6) end.
6. The blade root prefabricated member tail end beam-forming device according to claim 5, wherein the chord direction adjusting component (3) comprises a chord direction telescopic rod (3-1), a threaded tee joint (3-2) and a supporting rod (3-3), the transverse two ends of the threaded tee joint (3-2) in a T shape are respectively connected with the chord direction telescopic rod (3-1) in a threaded mode, one end, away from the threaded tee joint (3-2), of each of the two chord direction telescopic rods (3-1) is respectively connected with two ends of the inner beam-shaped rigid plate (1-1), one vertical end of the threaded tee joint (3-2) is in threaded connection with the supporting rod (3-3), and one end, away from the threaded tee joint (3-2), of each supporting rod (3-3) is connected with the inner beam-shaped rigid plate (1-1).
7. The blade root prefabricated member tail end beam-forming device according to claim 6, wherein a circular pad seat (1-2) is arranged on the inner side surface of the inner beam-forming rigid plate (1-1) at the position corresponding to the chord direction telescopic rod (3-1) and the supporting rod (3-3), the chord direction telescopic rod (3-1) is sleeved in the corresponding circular pad seat (1-2), and the supporting rod (3-3) is in threaded connection with the corresponding circular pad seat (1-2).
8. The blade root preform end beam shaping device according to claim 5, wherein the axial adjusting assembly (4) comprises an axial adjusting rod (4-1) and a positioning column (4-2), one end of the axial adjusting rod (4-1) is connected with the inner beam-shaped rigid plate (1-1), the other end of the axial adjusting rod (4-1) extends along the axial direction, one end of the positioning column (4-2) is used for being positioned on the inner side surface of the blade root preform (6), the other end of the positioning column (4-2) is movably connected with the other end of the axial adjusting rod (4-1), and the axial adjusting rod (4-1) can move along the length direction of the positioning column (4-2) so as to adjust the axial inclination angle between the inner beam-shaped rigid plate (1-1) and the inner side surface of the blade root preform (6) end.
9. The blade root preform end beam-forming device according to any one of claims 1-8, wherein the clamping assembly (5) comprises a C-clamp (5-1) and a locking bolt (5-2), the inner Shu Xingban (1) and the outer beam-forming plate (2) being located between the C-clamp (5-1), the locking bolt (5-2) being threaded onto one end of the C-clamp (5-1), tightening the locking bolt (5-2) being capable of driving the locking bolt (5-2) towards the inner Shu Xingban (1) or the outer beam-forming plate (2).
10. A method of blade root preform end beamforming according to any of claims 1-9, comprising:
spreading a release cloth with a reserved width at the position of the prefabricated part mould corresponding to the tail end of the blade root prefabricated part (6), introducing prefabricated part materials and solidifying;
the inner Shu Xingban (1) is placed on the inner side surface of the tail end of the blade root prefabricated member (6), the conformal shape of the inner Shu Xingban (1) is restrained through a conformal adjusting component, and the inner Shu Xingban (1) is attached to the inner side surface of the tail end of the blade root prefabricated member (6);
when the blade root prefabricated member (6) is subjected to demolding, the outer beam-shaped plate (2) is placed on the outer side face of the tail end of the blade root prefabricated member (6), the outer beam-shaped plate (2) is attached to the outer side face of the tail end of the blade root prefabricated member (6), and the inner Shu Xingban (1) and the outer beam-shaped plate (2) are clamped through the clamping assembly (5);
when the blade root prefabricated member (6) is assembled, loosening the clamping assembly (5) to remove the outer beam-shaped plate (2), and tightly attaching the outer side surface of the tail end of the blade root prefabricated member (6) to a blade shell mould;
sticking the release cloth to the inner side surface part of the tail end of the blade root prefabricated part (6) and the blade shell mould so as to form a sealing space between the blade root prefabricated part (6) and the blade shell mould;
and (3) pumping the sealed space into a negative pressure state by using vacuum equipment, and pasting the tail end of the blade root prefabricated member (6) to the blade shell mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311625886.4A CN117621491A (en) | 2023-11-30 | 2023-11-30 | Device and method for bundling tail end of blade root prefabricated part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311625886.4A CN117621491A (en) | 2023-11-30 | 2023-11-30 | Device and method for bundling tail end of blade root prefabricated part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117621491A true CN117621491A (en) | 2024-03-01 |
Family
ID=90024874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311625886.4A Pending CN117621491A (en) | 2023-11-30 | 2023-11-30 | Device and method for bundling tail end of blade root prefabricated part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117621491A (en) |
-
2023
- 2023-11-30 CN CN202311625886.4A patent/CN117621491A/en active Pending
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