Fan blade processing detection positioning device

Abstract

The utility model relates to fan blade processing technical field especially fan processing blade detection positioning device, including having keeping integral determination stable determination box, being located determination box upper end is equipped with a plurality of groups is used for to blade detection positioning detection positioning module, detection positioning module lower end is connected with the determination steering assembly that is used for along determination box upper end sliding and angle adjustment adaptation blade curved surface, determination steering assembly upper end is inserted with blade placement module that carries out pressure placing and keeps stable to blade, adopts flexible contact and distributed support, this effectively avoided the local indentation, delamination, fibre fracture or uncontrollable overall elastic deformation caused by concentrated load in blade root end and key support point, especially suitable for thin wall, big size, low stiffness's composite material blade, through determination steering assembly and detection positioning module's rotation and swing arm adjustment, the device can flexibly adapt to the complex three -dimensional curved surface profile of blade, improves overall positioning effect.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine blade processing technology, and in particular to a wind turbine blade processing detection and positioning device. Background Technology

[0002] Wind turbine blades are rotating components in wind turbines that capture wind energy through specific aerodynamic designs. They are usually made of composite materials (such as fiberglass and carbon fiber) or metal. They are one of the most basic and critical components of a wind turbine. The size, shape, and material of the blades directly affect the performance and power generation efficiency of the wind turbine. Wind turbine blade inspection and positioning devices are specialized equipment or tooling used to accurately locate key parts of the blades during the manufacturing or maintenance process to achieve efficient and non-destructive testing.

[0003] Traditional positioning devices typically employ mechanical clamps, usually located at the blade root, such as in the flange area, and at specific support points, such as the leading edge, trailing edge, or main beam. Operators manually or semi-automatically operate the clamps to forcefully clamp the blade root and key support points, attempting to constrain all its degrees of freedom. Blades are typical thin-walled, large-sized, low-stiffness composite material structures. The concentrated loads applied by the powerful mechanical clamps at the root and support points can easily cause significant elastic deformation in the blade, either locally or entirely, reducing the overall inspection effectiveness. Utility Model Content

[0004] To overcome the limitations of positioning devices, mechanical clamps are typically used. Operators manually or semi-automatically operate the clamps to forcefully clamp the blade root and key support points, attempting to constrain all its degrees of freedom. Blades are typical thin-walled, large-sized, low-stiffness composite material structures. The concentrated loads applied by the powerful mechanical clamps to the root and support points can easily cause significant elastic deformation of the blade, either locally or entirely. This invention provides a wind turbine blade detection and positioning device.

[0005] The technical solution is as follows: a wind turbine blade detection and positioning device, including a measuring box for maintaining overall measurement stability, several sets of detection and positioning modules for blade detection and positioning on the measuring box, a measuring steering component for sliding and angle adjustment along the measuring box to adapt to the blade surface at the lower end of the detection and positioning module, a blade placement module for bearing pressure and maintaining stability on the measuring steering component, and external plates for maintaining pressure stability as the blade width extends on both sides of the measuring box.

[0006] Furthermore, mounting plates are fixed to both ends of the measuring box, and several sets of mounting holes are distributed on the mounting plates. A base is fixed to the bottom of the measuring box, and a measuring platform is fixed to the top of the measuring box. Several sets of sliding grooves are crisscrossed on the measuring platform. The measuring platform is covered with rubber strips. Magnetic strips are fixed to both ends of the measuring platform. Magnetic blocks are fixed to the sides of the measuring platform at the corresponding positions of the sliding grooves. A push rod passing through the measuring steering component is provided in the center of the magnetic block. One end of the push rod is connected to a cylinder, and a wireless module is connected to the cylinder.

[0007] Furthermore, the steering assembly includes a balance plate, a slider is fixedly connected to the bottom center of the balance plate, a through hole for connecting a push rod is opened in the center of the slider, a bracket is fixedly connected to the top of the balance plate, a swing frame is provided in the center of the bracket, a steering rod is provided between the swing frame and the bracket, one end of the steering rod is connected to a first drive motor, the first drive motor drives the steering rod to drive the swing frame to swing.

[0008] Furthermore, the blade placement module includes a placement platform covered with a flexible layer, the placement platform is arc-shaped, and extension frames are fixed to both ends of the placement platform. Positioning bolts connect the extension frames to the measuring and steering assembly.

[0009] Furthermore, the detection and positioning module includes an electrical control box and a swing arm. The electrical control box has swing arms at both ends, and a rotating shaft is provided between the swing arm and the electrical control box. A rotating module is connected to the outer end of the rotating shaft. The electrical control box has a control panel and sub-control buttons. A PLC module is provided inside the electrical control box. A lithium battery pack is provided at the center of the rotating module. The lithium battery pack drives the rotating module to drive the swing arm adjustment operation.

[0010] Furthermore, a rotating shaft is connected to the bottom center of the electrical control box, and a second drive motor is connected to the bottom of the rotating shaft. A mounting frame is fitted around the second drive motor, and the second drive motor drives the rotating shaft to rotate and adjust the electrical control box.

[0011] Furthermore, the swing arm is provided with several sets of ventilation slots, the swing arm is provided with a pneumatic interaction module, and an extension bend is linearly threaded through the swing arm. Both ends of the extension bend are fixed with airbag pressure balls, and the inner side of the airbag pressure balls is provided with a pressure diaphragm.

[0012] Furthermore, mounting sleeves are fixedly distributed on the outer plate, and several sets of locking holes are linearly through the mounting sleeves.

[0013] The beneficial effects are: by adopting flexible contact and distributed support, this utility model effectively avoids local indentation, delamination, fiber breakage or uncontrollable overall elastic deformation caused by concentrated loads applied to the blade root and key support points. It is especially suitable for thin-walled, large-size, low-stiffness composite blades.

[0014] By measuring the rotation of the steering component and the adjustment of the swing arm of the detection and positioning module, the device can flexibly adapt to the complex three-dimensional curved surface contour of the blade. The airbag pressure ball can conform to the blade surface and provide uniform and adaptive support force. Multiple detection and positioning modules work together, and their swing arms can be adjusted at multiple angles. The extension bending frame and airbag pressure ball provide multi-directional and adjustable flexible constraint force, improving the overall positioning effect. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the wind turbine blade detection and positioning device of this utility model.

[0016] Figure 2 This is a schematic diagram of the measuring box of this utility model;

[0017] Figure 3 This is a schematic diagram of the measuring steering component of this utility model;

[0018] Figure 4 This is a schematic diagram of the blade placement module of this utility model;

[0019] Figure 5 This is a schematic diagram of the detection and positioning module of this utility model.

[0020] In the attached diagram, the following are the reference numerals: 1. Measuring box; 2. Measuring and steering assembly; 3. Blade placement module; 4. Detection and positioning module; 5. External plate; 101. Mounting plate; 102. Mounting hole; 103. Base; 104. Measuring platform; 105. Slide groove; 106. Magnetic suction block; 107. Cylinder; 108. Push rod; 109. Wireless module; 110. Rubber strip; 111. Magnetic strip; 201. Balance plate; 202. Slider; 203. Perforation; 204. Card holder; 205. Steering rod; 206. First 207. Drive motor; 301. Swing frame; 302. Placement platform; 303. Extension frame; 304. Positioning bolt; 305. Flexible layer; 406. Electrical control box; 407. Control panel; 408. Sub-control button; 409. Rotating shaft; 400. Mounting frame; 401. Second drive motor; 402. Rotating shaft; 403. Swing arm; 404. Ventilation slot; 415. Rotating module; 416. Lithium battery pack; 417. Extension bending frame; 418. Airbag pressure ball; 509. Mounting sleeve; 500. Clip hole. Detailed Implementation

[0021] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0022] like Figure 1 - Figure 5As shown, the wind turbine blade detection and positioning device includes a measuring box 1 for maintaining overall measurement stability, several sets of detection and positioning modules 4 for blade detection and positioning on the measuring box 1, a measuring steering component 2 for sliding and angle adjustment along the measuring box 1 to adapt to the blade surface at the lower end of the detection and positioning module 4, a blade placement module 3 for bearing pressure and maintaining stability on the measuring steering component 2, and external plates 5 for maintaining pressure stability as the blade width extends on both sides of the measuring box 1.

[0023] Please see Figure 2 - Figure 4 In this embodiment, mounting plates 101 are fixed to both ends of the measuring box 1. Several sets of mounting holes 102 are distributed on the mounting plates 101. A base 103 is fixed to the bottom of the measuring box 1, and a measuring platform 104 is fixed to the top of the measuring box 1. Several sets of sliding grooves 105 are crisscrossed on the measuring platform 104. The measuring platform 104 is covered with rubber strips 110. Magnetic strips 111 are fixed to both ends of the measuring platform 104. Magnetic blocks 106 are fixed to both sides of the measuring platform 104 corresponding to the sliding grooves 105. A push rod 108 passing through the measuring steering assembly 2 is provided at the center of the magnetic block 106. One end of the 8 is connected to a cylinder 107, and a wireless module 109 is connected to the cylinder 107. The measuring steering component 2 includes a balance plate 201. A slider 202 is fixedly connected to the bottom center of the balance plate 201. A through hole 203 for connecting the push rod 108 is opened in the center of the slider 202. A card seat 204 is fixedly connected to the top of the balance plate 201. A swing frame 207 is provided in the center of the card seat 204. A steering rod 205 is provided between the swing frame 207 and the card seat 204. One end of the steering rod 205 is connected to a first drive motor 206. The first drive motor 206 drives the steering rod 205 to drive the swing frame 207 to swing.

[0024] Please see Figure 3 - Figure 4 In this embodiment, the blade placement module 3 includes a placement platform 301, which is covered with a flexible layer 304. The placement platform 301 is arc-shaped, and extension frames 302 are fixed to both ends of the placement platform 301. Positioning bolts 303 connect the extension frames 302 and the measuring and steering assembly 2. The detection and positioning module 4 includes an electrical control box 401 and a swing arm 408. Swing arms 408 are provided at both ends of the electrical control box 401. A rotating shaft 407 is provided between the swing arm 408 and the electrical control box 401. A rotating module 410 is connected to the outer end of the rotating shaft 407. The electrical control box 401 is provided with a control screen 402 and a sub-control button 403. A PLC module is provided inside the electrical control box 401. A lithium battery pack 411 is provided at the center of the rotating module 410. The lithium battery pack 411 drives the rotating module 410 to drive the swing arm 408 to adjust.

[0025] Please see Figure 4 - Figure 5 In this embodiment, a rotating shaft 404 is connected to the bottom center of the electrical control box 401, and a second drive motor 406 is connected to the bottom of the rotating shaft 404. An installation frame 405 is fitted around the second drive motor 406. The second drive motor 406 drives the rotating shaft 404 to rotate and adjust the electrical control box 401. Several sets of ventilation slots 409 are provided on the swing arm 408. A pneumatic interaction module is provided inside the swing arm 408. An extension bending frame 412 is linearly passed through the swing arm 408. Airbag pressure balls 413 are fixed to both ends of the extension bending frame 412. A pressure diaphragm is provided inside the airbag pressure balls 413. An installation sleeve 501 is distributed and fixed on the outer plate 5. Several sets of locking holes 502 are linearly passed through the installation sleeve 501.

[0026] Pressure diaphragm (integrated inside the airbag pressure bulb 413): Model Tekscan FlexiForce TM A201 Sensor: Ultra-thin (0.2mm), flexible piezoresistive sensor. Wide measurement range (optional), good linearity. Suitable for accurate measurement of contact pressure distribution. The sensor itself is a polymer film + piezoresistive material. The main body material of the 413 airbag pressure bulb must be a highly elastic, wear-resistant, and anti-aging rubber or silicone (such as medical-grade silicone, NBR, hydrogenated NBR) to ensure flexibility, sealing (if air pressure needs to be maintained), and long-term durability, while avoiding chemical reactions with the blade composite material.

[0027] The measuring box 1 is fixed in the working area through the mounting holes 102 on the mounting plate 101. According to the size and surface characteristics of the blade to be tested, the cylinder 107 pushes the push rod 108, which drives the measuring steering assembly 2 to slide on the slide groove 105 of the measuring table 104. At the same time, the first drive motor 206 drives the steering rod 205, which causes the swing frame 207 to drive the blade placement module 3 to adjust the angle and place the blade on the arc-shaped placement platform 301 covered with a flexible layer 304. The position of the blade placement module 3 is fixed by the extension frame 302 and the positioning bolt 303.

[0028] Next, the second drive motor 406 drives the rotating shaft 404, which in turn drives the electrical control box 401 to rotate and adjust. Driven by the lithium battery pack 411, the rotating module 410 drives the swing arm 408 to rotate around the rotating shaft 407, adjusting the detection angle and position of the detection and positioning module 4. The motor and rotating module 410 are controlled by the control screen 402 or the sub-control button 403 (or wireless command) to finely adjust the spatial posture of the swing arm 408 on each detection and positioning module 4, so that its extension frame 412 is roughly aligned with the area of ​​the blade to be supported and constrained.

[0029] The extended bending bracket 412 on the swing arm 408 can be adjusted according to different positions on the blade surface. The airbag pressure ball 413 contacts the blade surface, and the pressure diaphragm senses the contact pressure in real time and feeds back the signal. Combined with the air pressure interaction module and the air exchange groove 409, the stability and accuracy of the contact pressure detection are ensured. The airbag pressure ball 413 (usually made of elastic rubber or silicone) contacts the blade surface under slight pre-pressure. Due to the flexibility and deformability of the airbag, it can automatically adapt to the micro-irregularities and local curvature changes of the blade surface, achieving surface contact or line contact over a large area.

[0030] During the testing process, the PLC module in the electrical control box 401 transmits the test data to the external terminal via the wireless module 109. Operators can monitor and adjust the test parameters in real time through the control panel 402 and the sub-control button 403 to achieve all-round, high-precision testing and positioning of the blade.

[0031] This closed-loop process continues until the pressure at all contact points stabilizes within the set range, the blades are reliably constrained in the desired position, and all degrees of freedom are effectively controlled. The pneumatic interaction module may be used to maintain or regulate the internal pressure of the airbag (if there is a need for active control), and the ventilation slot 409 ensures airflow to prevent the airbag from over-inflating or being affected by temperature.

[0032] Once the blade is stably, accurately, and non-destructively positioned, various tests (such as geometric dimension measurement, non-destructive testing, and static testing) can be performed on the measuring chamber platform 1 or with the aid of external equipment (such as laser trackers, photogrammetry systems, and ultrasonic flaw detectors). The stability and low-interference characteristics of the device ensure the accuracy of the test data.

[0033] For blades with ultra-large spans, the outer plates 5 on both sides can be fitted with additional extension support rods or brackets through the mounting sleeves 501 and the clamping holes 502 to provide auxiliary support points, further enhance the rigidity of the system, and prevent excessive drooping of the middle of the blade.

[0034] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A wind turbine blade processing detection and positioning device, comprising a measuring box (1) for maintaining overall measurement stability, characterized in that: It also includes a detection positioning module (4) located on the measuring box (1) for detecting and positioning the blade. The lower end of the detection positioning module (4) is connected to a measuring steering component (2) for sliding and adjusting the angle along the measuring box (1) to adapt to the blade surface. A blade placement module (3) for bearing pressure and maintaining stability is inserted into the measuring steering component (2). Both sides of the measuring box (1) are fixed with external plates (5) for maintaining pressure stability as the blade width extends.

2. The wind turbine blade detection and positioning device according to claim 1, characterized in that, The measuring box (1) is fixed to both ends with mounting plates (101). Several sets of mounting holes (102) are distributed on the mounting plates (101). The bottom of the measuring box (1) is fixed with a base (103). The top of the measuring box (1) is fixed with a measuring platform (104). Several sets of sliding grooves (105) are crisscrossed on the measuring platform (104). The measuring platform (104) is covered with a rubber strip (110). Magnetic strips (111) are fixed to both ends of the measuring platform (104). Magnetic blocks (106) are fixed to the sides of the measuring platform (104) corresponding to the sliding grooves (105). A push rod (108) that passes through the measuring steering component (2) is provided in the center of the magnetic block (106). One end of the push rod (108) is connected to a cylinder (107). A wireless module (109) is connected to the cylinder (107).

3. The wind turbine blade detection and positioning device according to claim 2, characterized in that, The steering assembly (2) includes a balance plate (201), a slider (202) is fixedly connected to the bottom center of the balance plate (201), a through hole (203) for connecting the push rod (108) is opened in the center of the slider (202), a card seat (204) is fixedly connected to the top of the balance plate (201), a swing frame (207) is provided in the center of the card seat (204), a steering rod (205) is provided between the swing frame (207) and the card seat (204), one end of the steering rod (205) is connected to a first drive motor (206), the first drive motor (206) drives the steering rod (205) to drive the swing frame (207) to swing.

4. The wind turbine blade detection and positioning device according to claim 1, characterized in that, The blade placement module (3) includes a placement platform (301), the placement platform (301) is covered with a flexible layer (304), the placement platform (301) is arc-shaped, and extension frames (302) are fixed to both ends of the placement platform (301). The extension frames (302) are connected to the measuring and steering assembly (2) by positioning bolts (303).

5. The wind turbine blade detection and positioning device according to claim 1, characterized in that, The detection and positioning module (4) includes an electrical control box (401) and a swing arm (408). Both ends of the electrical control box (401) are equipped with swing arms (408). A rotating shaft (407) is provided between the swing arm (408) and the electrical control box (401). A rotating module (410) is connected to the outer end of the rotating shaft (407). The electrical control box (401) is equipped with a control screen (402) and a sub-control button (403). A PLC module is provided inside the electrical control box (401). A lithium battery pack (411) is provided at the center of the rotating module (410). The lithium battery pack (411) drives the rotating module (410) to drive the swing arm (408) to adjust.

6. The wind turbine blade detection and positioning device according to claim 5, characterized in that, A rotating shaft (404) is connected to the bottom center of the electrical control box (401). A second drive motor (406) is connected to the bottom of the rotating shaft (404). An installation frame (405) is fitted around the second drive motor (406). The second drive motor (406) drives the rotating shaft (404) to rotate and adjust the electrical control box (401).

7. The wind turbine blade detection and positioning device according to claim 5, characterized in that, The swing arm (408) is provided with several sets of ventilation slots (409), the swing arm (408) is provided with a pneumatic interaction module, the swing arm (408) is linearly provided with an extension bend (412), and airbag pressure balls (413) are fixedly connected to both ends of the extension bend (412). A pressure diaphragm is provided on the inner side of the airbag pressure ball (413).

8. The wind turbine blade detection and positioning device according to claim 1, characterized in that, An installation sleeve (501) is fixedly connected to the outer plate (5), and several sets of locking holes (502) are linearly opened through the installation sleeve (501).

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