Wind power blade glass fiber cloth laying and fixing mechanism
The combined structure of torsion spring ribs, side clamps and upper pressure plates solves the problem of glass fiber cloth fitting with the mold, achieves stable fixation of glass fiber cloth on the surface and sides of wind turbine blades, and improves production efficiency and product quality.
Patent Information
- Application Number
- CN202422846408.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-21
AI Technical Summary
In wind turbine blade production, the surface of glass fiber cloth is relatively smooth and cannot fit the mold, resulting in rework and product quality problems.
The combined structure of torsion spring ribs, side splints and upper pressure plates is adopted. The circular ring structure of the torsion spring ribs is connected with the side splints, combined with the cooperation of the telescopic rod and the locking screw to fix the glass fiber cloth and ensure that it fits the mold.
The fixing effect of the glass fiber cloth on the surface and side of the wind turbine blade is improved, the torsion spring ribs are prevented from being skewed or falling, and the close fit between the glass fiber cloth and the mold is ensured, thereby improving production efficiency and product quality.
Smart Images
Figure CN223355004U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laying and fixing glass fiber cloth, in particular to a glass fiber cloth laying and fixing mechanism for wind turbine blades. Background Art
[0002] Wind turbine blades are the core components of wind turbines that convert natural wind energy into electrical energy for wind turbines, and are also the main basis for measuring the design and technical level of wind turbines.
[0003] To ensure the structural strength of wind turbine blades, they are typically wrapped with a layer of fiberglass cloth during production. However, the smooth surface of the fiberglass cloth prevents it from conforming to the mold in areas perpendicular to the mold surface, which can easily lead to rework and product quality issues. Therefore, an improved technology is urgently needed to address this issue in existing technologies. Utility Model Content
[0004] The purpose of the present utility model is to provide a glass fiber cloth laying and fixing mechanism for wind turbine blades. Through the cooperation of torsion spring ribs, side clamps and upper pressure plates, the fixing effect of the glass fiber cloth is improved both on the surface and the side of the wind turbine blade, ensuring that the glass fiber cloth fits the mold and the torsion spring ribs will not tilt or fall down, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wind turbine blade glass fiber cloth laying and fixing mechanism, comprising a torsion spring rib, a side splint, a shaft rod, a sleeve, a telescopic rod, an upper pressure plate and a locking screw, wherein a circular ring structure is formed in the middle position of the torsion spring rib, and both ends of the torsion spring rib are connected to the shaft rod, and connecting plates are symmetrically provided on both sides of one end of the side splint, and both ends of the shaft rod pass through the connecting plates of the corresponding side splints, and limiting nuts are provided at both ends of the shaft rod and at the outer ends of the connecting plates, the top end of the sleeve is connected to the connecting piece, and the connecting piece is connected to the torsion spring rib in the middle position of the circular ring structure, a telescopic rod is movably provided inside the sleeve, and an upper pressure plate is provided on the end of the telescopic rod away from the sleeve, and an internal threaded cylinder is provided on the side wall of the bottom of the sleeve, and the internal threaded cylinder cooperates with the locking screw, and a knob is provided at the outer end of the locking screw.
[0006] Preferably, the utility model provides a wind turbine blade glass fiber cloth laying and fixing mechanism, wherein both ends of the shaft are provided with threads, and the limiting nut cooperates with the threads of the shaft.
[0007] Preferably, the utility model provides a wind turbine blade glass fiber cloth laying and fixing mechanism, wherein both ends of the torsion spring ribs are bent structures.
[0008] Preferably, the utility model provides a glass fiber cloth laying and fixing mechanism for wind turbine blades, wherein a U-shaped groove is provided at the bottom of the connecting piece, and the connecting piece is connected to the circular ring structure in the middle position of the torsion spring rib through the U-shaped groove, and bent plates are provided on both sides of the connecting piece, and the bent plates are connected to the top of the sleeve through bolts.
[0009] Preferably, the utility model provides a wind turbine blade glass fiber cloth laying and fixing mechanism, wherein the middle position of the shaft is connected to the end of the torsion spring rib by welding.
[0010] Compared with the prior art, the beneficial effects of the present invention are:
[0011] The structure is simple and reasonable, and is easy to process and assemble. Through the cooperation of the torsion spring ribs and the side splints, the glass fiber cloth can be pressed and fitted to the surface of the mold. At the same time, the sleeve is connected to the torsion spring ribs, and the telescopic rod is tightly connected to the sleeve. The upper pressure plate at the end of the telescopic rod can also press the glass fiber cloth on the side of the mold. On the one hand, whether it is the surface or the side of the wind turbine blade, the fixing effect of the glass fiber cloth is improved, ensuring that the glass fiber cloth fits the mold. On the other hand, the torsion spring ribs will not tilt or fall down. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0013] Figure 2 This is a side view of the structure of the utility model;
[0014] Figure 3 It is a structural diagram of the sleeve and telescopic rod;
[0015] Figure 4 For attachment Figure 3 The enlarged structural diagram at the mark A in the middle;
[0016] Figure 5 Schematic diagram of the connector structure;
[0017] Figure 6 It is a schematic diagram of the structure of the connection between the side splint and the shaft rod;
[0018] Figure 7 This is a schematic diagram of the utility model in use.
[0019] In the figure: torsion spring rib 1, side splint 2, shaft 3, sleeve 4, telescopic rod 5, upper pressure plate 6, locking screw 7, connecting plate 8, limit nut 9, connecting piece 10, internal threaded cylinder 11, knob 12, U-shaped groove 13, bending plate 14. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.
[0021] It should be noted that, in the description of the present invention, the terms "inside", "outside", "up", "down", "both sides", "one end", "the other end", "left", "right", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.
[0022] See also Figure 1-6 The utility model provides a technical solution: a wind turbine blade glass fiber cloth laying and fixing mechanism, comprising a torsion spring rib 1, a side splint 2, a shaft rod 3, a sleeve 4, a telescopic rod 5, an upper pressure plate 6 and a locking screw 7. A circular ring structure is formed in the middle position of the torsion spring rib 1, and both ends of the torsion spring rib 1 are bent structures to ensure that the side of the blade can be clamped smoothly. Both ends of the torsion spring rib 1 are connected to the shaft rod 3, and the middle position of the shaft rod 3 is connected to the end of the torsion spring rib 1 by welding to realize the connection between the shaft rod 3 and the end of the torsion spring rib 1. Connecting plates 8 are symmetrically provided on both sides of one end of the side splint 2. Both ends of the shaft rod 3 pass through the connecting plates 8 of the corresponding side splints 2. Limiting nuts 9 are provided at both ends of the shaft rod 3 and at the outer ends of the connecting plates 8. Threads are provided at both ends of the shaft rod 3. The limiting nuts 9 cooperate with the threads of the shaft rod 3 to realize the connection between the limiting nuts 9 and the shaft rod 3. The limit nut 9 is used to ensure that the side splint 2 will not slide along the shaft 3, thereby ensuring the overall stability. The top of the sleeve 4 is connected to the connecting piece 10, and the connecting piece 10 is connected to the torsion spring rib 1 in the middle position of the circular ring structure. A U-shaped groove 13 is provided at the bottom of the connecting piece 10, and the connecting piece 10 is connected to the circular ring structure in the middle position of the torsion spring rib 1 through the U-shaped groove 13. Bending plates 14 are provided on both sides of the connecting piece 10, and the bending plates 14 are connected to the top of the sleeve 4 through bolts. The connecting piece 10 of this structure is used to achieve connection and disassembly with the sleeve 4, thereby realizing the installation connection of the sleeve 4. A telescopic rod 5 is movably provided inside the sleeve 4, and an upper pressure plate 6 is provided at the end of the telescopic rod 5 away from the sleeve 4. The side wall of the bottom of the sleeve 4 is provided with an internal threaded cylinder 11, which cooperates with the locking screw 7, and the outer end of the locking screw 7 is provided with a knob 12.
[0023] Assembly method and operating principle: First, bend the steel bar to form the torsion spring bar 1. Then, weld the two connecting plates 8 of the clamping plate 2 on one end of the shaft 3 to the two ends of the torsion spring bar 1, and screw the knobs 12 nuts on both ends of the shaft 3. Next, weld the pressure plate 6 to one end of the telescopic rod 5, insert the other end into the sleeve 4, and mate the U-shaped groove 13 of the connector 10 with the circular ring structure in the middle of the torsion spring bar 1. Finally, bolt the bent plate of the connector 10 to the top of the sleeve 4, connecting the sleeve 4 to the torsion spring bar 1 and completing the assembly. When in use, lay the glass fiber cloth on the mold surface, then clamp the side clamps 2 on both sides of the torsion spring rib 1 on both sides of the mold and press them on the surface of the glass fiber cloth, then loosen the locking screw 7 through the knob 12, so that the upper pressing plate 6 is against the glass fiber cloth on the side of the mold, and then tighten the locking screw 7 through the knob 12 to complete the fixation of the upper pressing plate 6 and the glass fiber cloth, so that the glass fiber cloth is firmly fixed to the mold surface. Figure 7 The present invention has a simple and reasonable structure and is easy to process and assemble. The torsion spring rib 1 and the side clamp 2 cooperate to press the glass fiber cloth and make it fit on the surface of the mold. At the same time, the sleeve 4 is connected to the torsion spring rib 1, and the telescopic rod 5 is tightly connected to the sleeve 4. The upper pressing plate 6 at the end of the telescopic rod 5 can also press the glass fiber cloth on the side of the mold. On the one hand, the fixing effect of the glass fiber cloth is improved, whether on the surface or the side of the wind turbine blade, ensuring that the glass fiber cloth fits the mold. On the other hand, the torsion spring rib 1 will not tilt or fall.
[0024] Anything not described in detail in the present invention is well known to those skilled in the art.
[0025] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.
Claims
1. A wind turbine blade glass fiber cloth laying and fixing mechanism, characterized by: The invention comprises a torsion spring rib (1), a side splint (2), a shaft (3), a sleeve (4), a telescopic rod (5), an upper pressure plate (6) and a locking screw (7); a circular ring structure is formed in the middle of the torsion spring rib (1); both ends of the torsion spring rib (1) are connected to the shaft (3); connecting plates (8) are symmetrically arranged on both sides of one end of the side splint (2); both ends of the shaft (3) pass through the connecting plates (8) of the corresponding side splint (2); and limiting nuts ( 9), the top end of the sleeve (4) is connected to a connecting piece (10), the connecting piece (10) is connected to the torsion spring rib (1) at the middle position of the circular ring structure, a telescopic rod (5) is movably provided inside the sleeve (4), an upper pressure plate (6) is provided at one end of the telescopic rod (5) away from the sleeve (4), an internally threaded barrel (11) is provided on the side wall of the bottom of the sleeve (4), the internally threaded barrel (11) cooperates with the locking screw (7), and a knob (12) is provided at the outer end of the locking screw (7).
2. The wind turbine blade glass fiber cloth laying and fixing mechanism according to claim 1, characterized in that: Threads are provided at both ends of the shaft rod (3), and the limiting nut (9) cooperates with the threads of the shaft rod (3).
3. The wind turbine blade glass fiber cloth laying and fixing mechanism according to claim 1, characterized in that: Both ends of the torsion spring rib (1) are bent structures.
4. The wind turbine blade glass fiber cloth laying and fixing mechanism according to claim 1, characterized in that: A U-shaped groove (13) is provided at the bottom of the connecting member (10), and the connecting member (10) is connected to the circular ring structure at the middle position of the torsion spring rib (1) through the U-shaped groove (13). Bending plates (14) are provided on both sides of the connecting member (10), and the bending plates (14) are connected to the top of the sleeve (4) through bolts.
5. The wind turbine blade glass fiber cloth laying and fixing mechanism according to claim 1, characterized in that: The middle position of the shaft (3) is connected to the end of the torsion spring rib (1) by welding.