Inserting plate type glue scraping device for front edge and rear edge of wind power blade

By designing a plug-in type adhesive scraper device for the front and rear edges of wind power blades, the switching problems of multiple wiper devices caused by different shapes and bond widths of different positions of the blades are solved, and efficient and labor-saving glue application operations are achieved, which improves the Adhesive quality and efficiency reduce the cost of materials and molding glue.

CN119406667APending Publication Date: 2025-02-11TIANJIN CRRC WIND POWER BLADE ENG CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202411542723.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-31
Publication Date
2025-02-11

AI Technical Summary

Technical Problem

The adhesive application of the front and rear edges of the wind power blades requires a rubber scraper device. The profile and bond width of the blades are different at different positions, resulting in the need of multiple matching rubber scrapers. Switching the rubber scraper device increases the application time, and multiple rubber scrapers The rubber box also increases the material cost.

Method used

A plug-in type rubber scraping device for the front and rear edges of wind power blades is designed, including a rubber scraping box and a rubber scraping plate. The rubber discharge port is opened at the bottom of the rubber scraping plate, a connection port is opened on the back side, and a hand-held hole is opened on the surface. The two sides of the rubber scraper box are fixedly connected with handles through installation components, and a limiting mechanism is provided on the front side. The limiting mechanism includes a limiting component and a control component. The rapid switching and positioning of the rubber scraper is achieved through components such as transmission components and control teeth.

Benefits of technology

The device is easy to use, time-saving and labor-saving, and can greatly improve glue application efficiency, shorten the blade forming cycle, improve bonding quality, and reduce material costs. A rubber scraper box can be adapted to multiple rubber scraper plates to achieve scraping between different rubber filling areas Quick switching of glue devices reduces residual mold bonding glue and reduces cost of mold bonding glue.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN119406667A_ABST
    Figure CN119406667A_ABST
Patent Text Reader

Abstract

The insertion plate type glue scraping device comprises a glue scraping box and a glue scraping plate, a glue outlet is formed in the bottom of the glue scraping plate, a connecting opening is formed in the rear side of the glue scraping plate, a handheld hole is formed in the surface of the glue scraping plate, handles are fixedly connected to the two sides of the glue scraping box through mounting assemblies, and the glue scraping box is fixedly connected with the glue scraping plate through the mounting assemblies. And a limiting mechanism is arranged on the front side of the glue scraping box. The inserting plate type glue scraping device for the front edge and the rear edge of the wind power blade has the advantages of being convenient to use and saving time and labor, the glue applying efficiency can be greatly improved, the blade forming period is shortened, the bonding quality is improved, the material cost is reduced, one glue scraping box can be matched with a plurality of glue scraping plates, and the purchase cost of the glue scraping box is reduced; and rapid switching of the glue scraping devices among different glue applying areas can be achieved, pause is not needed in the process, the glue applying efficiency is greatly improved, and the blade forming period is shortened.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The invention relates to the technical field of wind turbine blade manufacturing, in particular to a plug-in type glue scraping device for leading and trailing edges of wind turbine blades. Background Art

[0002] The reference patent name is: A wind turbine blade beam scraper device (patent publication number: CN212975713U, patent publication date: 2021.04.16), including: a beam scraper box, which is an isosceles trapezoid, the front end of the beam scraper box is narrower than the rear end, and is an inverted U-shaped frame, including a cover plate located at the top and side plates symmetrically arranged on both sides of the cover plate, and a recessed slot opening is provided at the rear end of the beam scraper box, wherein a glue injection port is provided on the cover plate; a scraper plate, used for scraping glue on the blade, is inserted and fixed in the slot opening of the beam scraper box. The present device is a wind turbine blade beam scraper device, which has the characteristics of easy use, flexible operation, time-saving and labor-saving, no need to stop in the middle, smooth operation, can greatly improve the scraping speed and work efficiency, and shorten the forming cycle of wind turbine blades.

[0003] Based on what is described in the above document: Gluing of the leading and trailing edges of wind turbine blades needs to be completed with a scraper device. The profiles and bonding widths at different positions of the blades are different, which requires a plurality of matching scrapers. Switching the scraper device increases the time for gluing, and a plurality of scraper boxes also increases the material cost. Therefore, the present invention provides a plug-in type scraper device for the leading and trailing edges of wind turbine blades. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a plug-in type scraper device for the leading and trailing edges of wind turbine blades, which solves the problem that the glue application on the leading and trailing edges of wind turbine blades needs to be completed by a scraper device, the profiles and bonding widths at different positions of the blades are different, resulting in the need for multiple matching scraper devices, switching of the scraper devices increases the time for gluing, and multiple scraper boxes also increase material costs.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a plug-in type scraper device for the leading and trailing edges of wind turbine blades, comprising a scraper box and a scraper plate, a scraper outlet is provided at the bottom of the scraper plate, a connection port is provided at the rear side of the scraper plate, a hand-held hole is provided on the surface of the scraper plate, handles are fixedly connected to the two sides of the scraper box through an installation assembly, a limiting mechanism is provided at the front side of the scraper box, and the limiting mechanism includes:

[0006] The limiting assembly comprises a limiting box installed at the front side of the scraper box, a limiting groove is provided on the surface of the limiting box, the inner surface of the limiting groove is slidably connected to the surface of the scraper plate, a rotating rod is rotatably connected to the inner wall of the limiting box, the surface of the rotating rod enables the limiting plate to slide through the transmission assembly, and a tooth groove is provided on the top of the limiting plate;

[0007] The control component is arranged inside the limit box.

[0008] Preferably, the transmission assembly includes a transmission gear installed on the surface of the rotating rod and a transmission plate installed at the bottom of the inner cavity of the limit box, the surface of the transmission gear is meshed with the inner surface of the tooth groove, and the interior of the transmission plate is slidably connected to the surface of the limit plate.

[0009] Preferably, the control assembly includes a control gear rod slidably installed inside the limit box and a control gear installed on the surface of the rotating rod, the surface of the control gear is meshed with the surface of the control gear rod, the top end of the control gear rod is fixedly connected to a control spring, and the top end of the control spring is fixedly connected to the top of the inner cavity of the limit box.

[0010] Preferably, a positioning block is fixedly connected to the bottom of the scraper plate, the surface of the positioning block is slidably connected to the inside of the limit box, a positioning groove is opened on the surface of the positioning block, and the inner surface of the positioning groove is snap-fitted to one end of the limit plate.

[0011] Preferably, the mounting assembly includes mounting plates mounted on both sides of the scraper box, the inner wall of the mounting plate is slidably connected to a movable plate, the left side of the movable plate is fixedly connected to a pressing rod, the inner wall of the movable plate is fixedly connected to a mounting block, the right side of the movable plate is fixedly connected to a mounting spring, and one end of the mounting spring is fixedly connected to the inner wall of the mounting plate.

[0012] Preferably, a positioning ring is installed on the inner wall of the mounting plate, the surface of the positioning ring is slidably connected to the surface of the mounting block, and the surface of the positioning ring is slidably connected to one end of the handle.

[0013] Preferably, a plurality of mounting grooves are provided on the surface of the handle, and inner surfaces of the mounting grooves are snap-fitted to the surface of the mounting block.

[0014] Preferably, a glue injection tube is installed on the top of the glue scraping box, and the bottom end of the glue injection tube is fixedly connected to the surface of the connecting port.

[0015] Beneficial Effects

[0016] The present invention provides a plug-in type scraper device for the leading and trailing edges of wind turbine blades. Compared with the prior art, it has the following beneficial effects:

[0017] (1) The plug-in type scraper device for the leading and trailing edges of wind turbine blades is easy to use, saves time and effort, can greatly improve the gluing efficiency, shorten the blade forming cycle, improve the bonding quality, and reduce material costs. One scraper box can be adapted to multiple scrapers, reducing the purchase cost of the scraper box, and can achieve rapid switching of the scraper device between different gluing areas without pausing in between, greatly improving the gluing efficiency and shortening the blade forming cycle.

[0018] (2) The plug-in type scraper device used for the leading and trailing edges of wind turbine blades can freely adjust the glue type by replacing different scraper plates, thereby improving the bonding stability and reducing the mold glue residue when the scraper box is repeatedly replaced, thereby reducing the mold glue cost. At the same time, by replacing the scraper plate, it can be applied to different glue coating shapes and cross-sectional areas, which is more suitable for subsequent complex glue shapes, cross-sectional areas and glue coating thicknesses.

[0019] (3) Compared with the method of manually shaping the appropriate glue pattern, the plug-in type scraper device for the leading and trailing edges of wind turbine blades can effectively reduce the amount of bubbles in the mold glue, reduce mold defects, and improve the bonding quality by discharging the air in the scraper box when the scraper device is used to apply glue. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the external structure of the present invention;

[0021] Figure 2 It is a three-dimensional schematic diagram of the scraper box and the scraper plate of the present invention;

[0022] Figure 3 It is a three-dimensional schematic diagram of the scraper blade of the present invention from a rear side perspective;

[0023] Figure 4 It is a schematic diagram of the internal structure of the limit box of the present invention;

[0024] Figure 5 It is a three-dimensional schematic diagram of the scraper box and the handle of the present invention;

[0025] Figure 6 It is a schematic diagram of the internal structure of the mounting plate of the present invention.

[0026] In the figure: 1-scraping box, 2-scraping plate, 3-glue outlet, 4-connecting port, 5-handling hole, 6-mounting assembly, 61-mounting plate, 62-moving plate, 63-pressing rod, 64-mounting block, 65-mounting spring, 7-handle, 8-limiting mechanism, 81-limiting assembly, 811-limiting box, 812-limiting groove, 813-rotating rod, 814-limiting plate, 815-tooth groove, 82-control assembly, 821-control gear rod, 822-control gear, 823-control spring, 9-transmission assembly, 91-transmission gear, 92-transmission plate, 10-positioning block, 11-positioning groove, 12-positioning ring, 13-mounting groove, 14-glue injection tube. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-6 The present invention provides a technical solution: a plug-in type scraper device for the leading and trailing edges of wind turbine blades, comprising a scraper box 1 and a scraper plate 2, a scraper outlet 3 is provided at the bottom of the scraper plate 2, a connection port 4 is provided at the rear side of the scraper plate 2, the connection port 4 is communicated with the scraper outlet 3, a hand-held hole 5 is provided on the surface of the scraper plate 2, handles 7 are fixedly connected to both sides of the scraper box 1 through an installation assembly 6, a limiting mechanism 8 is provided at the front side of the scraper box 1, and the limiting mechanism 8 includes:

[0029] The limiting assembly 81 includes a limiting box 811 installed on the front side of the scraper box 1, a limiting groove 812 is provided on the surface of the limiting box 811, a notch is provided at the bottom of the inner cavity of the limiting groove 812, a positioning block 10 is slidably connected to the notch, the inner surface of the limiting groove 812 is slidably connected to the surface of the scraper plate 2, a rotating rod 813 is rotatably connected to the inner wall of the limiting box 811, the surface of the rotating rod 813 causes the limiting plate 814 to slide through the transmission assembly 9, and a tooth groove 815 is provided on the top of the limiting plate 814;

[0030] The control assembly 82 is arranged inside the limit box 811. The transmission assembly 9 includes a transmission gear 91 installed on the surface of the rotating rod 813 and a transmission plate 92 installed at the bottom of the inner cavity of the limit box 811. The transmission plate 92 is used to slide and limit the limit plate 814. The surface of the transmission gear 91 is meshed with the inner surface of the tooth groove 815. The interior of the transmission plate 92 is slidably connected with the surface of the limit plate 814. The control assembly 82 includes a control gear rod 821 slidably installed inside the limit box 811 and a control gear 822 installed on the surface of the rotating rod 813. The surface of the control gear 822 is meshed with the surface of the control gear rod 821. The top of the control gear rod 821 is fixedly connected with a control spring 823. The control spring 823 is not affected by external forces. Make one end of the limit plate 814 always snap-fit ​​with the inside of the positioning groove 11, the top of the control spring 823 is fixedly connected to the top of the inner cavity of the limit box 811, the bottom of the scraper plate 2 is fixedly connected with a positioning block 10, the surface of the positioning block 10 is slidably connected to the inside of the limit box 811, the surface of the positioning block 10 is provided with a positioning groove 11, the inner surface of the positioning groove 11 is snap-fitted with one end of the limit plate 814, the mounting assembly 6 includes a mounting plate 61 mounted on both sides of the scraper box 1, the inner wall of the mounting plate 61 is slidably connected with a moving plate 62, the left side of the moving plate 62 is fixedly connected with a pressing rod 63, the inner wall of the moving plate 62 is fixedly connected with a mounting block 64, the right side of the moving plate 62 is fixedly connected with a mounting spring 65, the mounting spring 65 is not affected by external forces , so that the mounting block 64 is always snapped with the inside of the mounting groove 13, one end of the mounting spring 65 is fixedly connected to the inner wall of the mounting plate 61, and a positioning ring 12 is installed on the inner wall of the mounting plate 61. The surface of the positioning ring 12 is slidably connected to the surface of the mounting block 64, and the surface of the positioning ring 12 is slidably connected to one end of the handle 7. The handle 7 rotates and slides inside the positioning ring 12. The surface of the handle 7 is provided with multiple groups of mounting grooves 13. The inner surface of the mounting groove 13 is snapped with the surface of the mounting block 64. A glue injection tube 14 is installed on the top of the scraper box 1. The top of the glue injection tube 14 is connected to the external glue injection device. The glue injection tube 14 passes through the scraper box 1 and its bottom end is divided into a hose. One end of the hose can be flexibly disassembled and connected with the connecting port 4. The bottom end of the glue injection tube 14 is connected to the connecting port 4 The surface is fixedly connected. The plug-in type scraper device for the leading and trailing edges of wind turbine blades is easy to use, time-saving and labor-saving, which can greatly improve the gluing efficiency, shorten the blade molding cycle, improve the bonding quality, and reduce material costs. One scraper box 1 can be adapted to multiple scraper plates 2, which reduces the procurement cost of the scraper box 1, and can realize the rapid switching of the scraper device between different gluing areas without pausing in the middle, which greatly improves the gluing efficiency and shortens the blade molding cycle. The plug-in type scraper device for the leading and trailing edges of wind turbine blades can freely adjust the glue type by replacing different scraper plates 2, improve the bonding stability, and reduce the mold glue residue when the scraper box 1 is repeatedly replaced, reducing the mold glue cost. At the same time, by replacing the scraper plate 2, it can be suitable for different glue coating shapes and cross-sectional areas.For subsequent complex glue shapes, cross-sectional areas, and glue coating thickness, the plug-in type glue scraping device for the leading and trailing edges of wind turbine blades is more suitable. Compared with the manual shaping to make a suitable glue shape, the air in the glue scraping box 1 is discharged when the glue scraping device is used to apply glue, which can effectively reduce the amount of bubbles in the mold glue, reduce mold defects, and improve the bonding quality.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] When working, first press the control gear rod 821 on the left side to slide upward, and the sliding of the control gear rod 821 causes the control spring 823 to begin to contract. The sliding of the control gear rod 821 drives the control gear 822 to rotate clockwise, and the rotation of the control gear 822 drives the rotating rod 813 and the transmission gear 91 to rotate synchronously. The rotation of the transmission gear 91 causes the limit plate 814 to slide to the left, and the limit plate 814 slides inside the transmission plate 92. Subsequently, the scraper plate 2 is inserted into the limit groove 812, so that the positioning block 10 is inserted into the scraper box 1, and the right control gear rod 821 is the same. Then the control gear rod 821 is released, and the control spring 823 begins to reset without being affected by external force, so that the limit plate 814 slides into the positioning groove 11 provided on the surface of the positioning block 10 to achieve clamping and fixing, and then the pressing rod 63 is pressed to bring The movable plate 62 slides, so that the mounting spring 65 is compressed. The sliding of the movable plate 62 causes the mounting block 64 to slide out of the mounting groove 13 opened on the surface of the handle 7. Then, by rotating the handle 7 to adjust it to a suitable holding angle, release the pressing rod 63 to reset the mounting spring 65, thereby resetting the movable plate 62 and the mounting block 64, so that the mounting block 64 slides to the corresponding mounting groove 13, and the handle 7 is positioned. Then, one end of the glue injection tube 14 is connected and fixed to the connecting port 4, so that the glue injection tube 14 is connected to the glue outlet 3. The staff holds the handle 7 to complete the subsequent glue application operation. After the work is completed, first disconnect the connection between the glue injection tube 14 and the connecting port 4, and press the control gear rod 821 to make the limit plate 814 slide out of the positioning groove 11, take out the scraper plate 2, and clean the scraper box 1 and the scraper plate 2.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plug-in type scraper device for the leading and trailing edges of a wind turbine blade, comprising a scraper box (1) and a scraper plate (2), characterized in that: The bottom of the scraper plate (2) is provided with a glue outlet (3), the rear side of the scraper plate (2) is provided with a connection port (4), the surface of the scraper plate (2) is provided with a hand-holding hole (5), both sides of the scraper box (1) are fixedly connected with handles (7) through mounting components (6), and the front side of the scraper box (1) is provided with a limiting mechanism (8), and the limiting mechanism (8) comprises: The limiting assembly (81) comprises a limiting box (811) installed at the front side of the scraper box (1), a limiting groove (812) being provided on the surface of the limiting box (811), the inner surface of the limiting groove (812) being slidably connected to the surface of the scraper plate (2), a rotating rod (813) being rotatably connected to the inner wall of the limiting box (811), the surface of the rotating rod (813) causing a limiting plate (814) to slide via a transmission assembly (9), and a tooth groove (815) being provided on the top of the limiting plate (814); The control component (82) is arranged inside the limit box (811).

2. The plug-in type scraper device for the leading and trailing edges of wind turbine blades according to claim 1, characterized in that: The transmission assembly (9) comprises a transmission gear (91) mounted on the surface of the rotating rod (813) and a transmission plate (92) mounted on the bottom of the inner cavity of the limit box (811); the surface of the transmission gear (91) is meshed with the inner surface of the tooth groove (815); and the interior of the transmission plate (92) is slidably connected with the surface of the limit plate (814).

3. The plug-in type scraper device for the leading and trailing edges of wind turbine blades according to claim 1, characterized in that: The control assembly (82) includes a control gear rod (821) slidably mounted inside the limit box (811) and a control gear (822) mounted on the surface of the rotating rod (813), the surface of the control gear (822) meshes with the surface of the control gear rod (821), the top end of the control gear rod (821) is fixedly connected to a control spring (823), and the top end of the control spring (823) is fixedly connected to the top of the inner cavity of the limit box (811).

4. The plug-in type scraper device for the leading and trailing edges of wind turbine blades according to claim 1, characterized in that: A positioning block (10) is fixedly connected to the bottom of the scraper plate (2); the surface of the positioning block (10) is slidably connected to the inside of the limit box (811); a positioning groove (11) is provided on the surface of the positioning block (10); the inner surface of the positioning groove (11) is snap-fitted to one end of the limit plate (814).

5. The plug-in type scraper device for the leading and trailing edges of wind turbine blades according to claim 1, characterized in that: The mounting assembly (6) comprises mounting plates (61) mounted on both sides of the scraper box (1); the inner wall of the mounting plate (61) is slidably connected to a movable plate (62); the left side of the movable plate (62) is fixedly connected to a pressing rod (63); the inner wall of the movable plate (62) is fixedly connected to a mounting block (64); the right side of the movable plate (62) is fixedly connected to a mounting spring (65); one end of the mounting spring (65) is fixedly connected to the inner wall of the mounting plate (61).

6. The plug-in type scraper device for the leading and trailing edges of wind turbine blades according to claim 5, characterized in that: A positioning ring (12) is installed on the inner wall of the mounting plate (61), the surface of the positioning ring (12) is slidably connected to the surface of the mounting block (64), and the surface of the positioning ring (12) is slidably connected to one end of the handle (7).

7. The plug-in type scraper device for the leading and trailing edges of wind turbine blades according to claim 5, characterized in that: The surface of the handle (7) is provided with a plurality of mounting grooves (13), and the inner surfaces of the mounting grooves (13) are snap-fitted to the surface of the mounting block (64).

8. The plug-in type scraper device for the leading and trailing edges of wind turbine blades according to claim 1, characterized in that: A glue injection tube (14) is installed on the top of the glue scraping box (1), and the bottom end of the glue injection tube (14) is fixedly connected to the surface of the connecting port (4).

Citation Information

Patent Citations

  • Wind power blade crossbeam glue scraping device

    CN212975713U