Laser repair visual positioning mechanism for turbine blade

The visual positioning mechanism, which combines a high-definition camera and a controller, enables high-precision image acquisition and intelligent analysis of turbine blades. This solves the problem of inaccurate positioning in traditional repair methods, improves repair efficiency and accuracy, and is suitable for the maintenance of high-end equipment such as aero engines.

CN223531615UActive Publication Date: 2025-11-11NANJING JIANG LIAN WELDING TECH
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Patent Information

Application Number
CN202422880235.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-11-11
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Traditional turbine blade repair methods rely on manual operation, which suffers from inaccurate positioning, long time consumption, and difficulty in meeting the requirements of high-precision repair. In contrast, laser repair depends on the accuracy of positioning.

Method used

Design a visual positioning mechanism that includes a high-definition camera, a laser repair mechanism, and a controller. The high-definition camera acquires high-precision images, and the controller performs intelligent analysis and controls the precise positioning and repair of the laser repair mechanism. A unified drive motor and threaded screw structure are used to ensure the stability of component movement and achieve precise alignment between the laser positioner and the repairer.

Benefits of technology

It improves the precision and efficiency of turbine blade repair, ensures the accuracy of repair points, simplifies the maintenance process, reduces costs, and significantly enhances adaptability and flexibility.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223531615U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of turbine blade repair equipment, in particular to a laser repair visual positioning mechanism for turbine blades, which comprises a repair table, an image acquisition mechanism, a laser repair mechanism and a controller, the image acquisition mechanism and the laser repair mechanism are electrically connected with the controller, and the controller is mounted on the front side of the repair table. The image acquisition mechanism comprises a support and a high-definition camera, the support is installed on the side of the repairing table, the high-definition camera is hinged to the top end of the support, all-dimensional and high-precision image acquisition of the turbine blade is achieved through combination of the high-definition camera and the rotating motor, a solid foundation is provided for subsequent accurate positioning and repairing, and the repairing efficiency is improved. The laser repairing mechanism is ingenious in design, accurate alignment of the laser positioner and the laser repairing device is achieved through the synergistic effect of the displacement track, the lifting frame, the adjusting track and the rack arm, and the flexibility and adaptability of repairing are improved.
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Description

Technical Field

[0001] This utility model relates to the field of turbine blade repair equipment, specifically a laser repair visual positioning mechanism for turbine blades. Background Technology

[0002] In high-end equipment such as aero engines, turbine blades are key components, and their performance has a crucial impact on the overall operating efficiency and safety of the equipment. However, because turbine blades operate in harsh environments with high temperatures and pressures for extended periods, they are prone to wear, cracks, and other damage, which significantly reduce blade performance and service life.

[0003] Traditional turbine blade repair methods rely heavily on manual operation, which has several shortcomings. First, manually inspecting damaged areas is tedious and time-consuming, making it difficult to achieve rapid and accurate location. Second, the repair process often requires multiple adjustments to the position and angle of the repair tools to ensure accuracy, further increasing the difficulty and time cost. Furthermore, traditional repair methods have limited ability to handle minor damage, failing to meet the demands of high-precision repair.

[0004] With the continuous development of laser technology, laser repair has gradually become an effective method in the field of turbine blade repair. Laser repair has advantages such as high precision, high efficiency, and non-contact operation, enabling precise repair of damaged areas on the blade. However, the success of laser repair largely depends on the accuracy of the positioning. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this invention provides a laser repair visual positioning mechanism for turbine blades.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: A laser repair visual positioning mechanism for turbine blades includes a repair platform, an image acquisition mechanism, a laser repair mechanism, and a controller. The image acquisition mechanism and the laser repair mechanism are electrically connected to the controller. The controller is installed on the front side of the repair platform. The image acquisition mechanism includes a bracket and a high-definition camera. The bracket is installed on the side of the repair platform, and the high-definition camera is hinged to the top of the bracket. The laser repair mechanism includes a displacement track, a lifting frame, an adjusting track, a frame arm, a drive assembly, a laser positioner, and a laser repairer. The displacement track is installed on the other side of the repair platform. The lifting frame is slidably mounted on the displacement track via the drive assembly. The machine is equipped with a lifting and adjusting assembly. The adjusting rail is slidably mounted on the lifting frame via the lifting and adjusting assembly. The inner side of the adjusting rail is provided with an adjusting groove, and a displacement assembly is installed in the adjusting groove. The frame arm includes arm one and arm two. Arm one is slidably mounted in a sliding groove and is driven to move by the displacement assembly. A rotary motor is fixedly mounted at the front end of arm one, and the output end of the rotary motor passes through arm one. The top of arm two is mounted on the output end of the rotary motor. An adjusting motor is mounted on one side of the bottom end of arm two. An adjusting frame is rotatably mounted at the other end of arm two, and the output end of the adjusting motor is connected to the adjusting frame. The laser locator and the laser repairer are hinged on the adjusting frame, and the laser point emitted by the laser locator is perpendicular to the laser repairer.

[0009] Preferably, the bottom of the bracket is provided with a sliding rail, and an adjustment component is provided on the sliding rail. The bracket is slidably mounted on the sliding rail, and the adjustment component is used to drive the displacement of the bracket.

[0010] More preferably, a rotary motor is fixedly mounted on the bracket, and the output end of the rotary motor is connected to a high-definition camera.

[0011] Preferably, the drive assembly, lifting adjustment assembly, displacement assembly, and adjustment assembly adopt the same structure, all including a drive motor and a threaded screw. The displacement rail, lifting frame, adjustment rail, and sliding rail are all provided with rail grooves. The drive motor is installed at the end of each rail groove, and the threaded screw is rotatably installed in each rail groove, and the threaded screw is connected to the output end of the drive motor.

[0012] Preferably, the adjustment frame is provided with a first hinge frame and a second hinge frame, the first hinge frame is located above the second hinge frame, the laser locator is hinged to the first hinge frame, and the laser repairer is hinged to the second hinge frame.

[0013] More preferably, the repair platform is provided with a support platform for placing bolt blades, and the support platform adopts a rectangular structure.

[0014] (III) Beneficial Effects

[0015] Compared with the prior art, this utility model provides a laser repair visual positioning mechanism for turbine blades, which has the following beneficial effects:

[0016] Precision image acquisition:

[0017] By combining a high-definition camera with a rotating motor, we were able to acquire high-precision images of the turbine blades from all angles, providing a solid foundation for subsequent precise positioning and repair.

[0018] Intelligent analysis and positioning:

[0019] The controller can receive and analyze image information, and accurately calculate the coordinates of the damaged parts of the blade through algorithms, ensuring the accuracy of the repair points.

[0020] Flexible laser repair facilities:

[0021] The laser repair mechanism is ingeniously designed. Through the coordinated action of the displacement track, lifting frame, adjustment track, and frame arm, it achieves precise alignment between the laser positioner and the laser repairer, improving the flexibility and adaptability of the repair process.

[0022] Optimized drive structure:

[0023] The use of a unified drive motor and screw structure ensures the stability and precision of the movement of each component, while simplifying the maintenance process and reducing the cost of use.

[0024] Enhanced image acquisition flexibility:

[0025] The design of the sliding rail and adjustment components increases the displacement range of the bracket and high-definition camera, further improving the flexibility and comprehensiveness of image acquisition.

[0026] Improved repair accuracy:

[0027] The hinged frame design optimizes the adjustment range of the laser beam, enabling the laser positioner and laser repairer to be more precisely aligned with the damaged area, thus improving repair accuracy.

[0028] Ensured repair safety:

[0029] The support platform is specifically designed to hold turbine blades, ensuring the stability and safety of the blades during the repair process and avoiding repair errors caused by blade movement or shaking.

[0030] Improved repair efficiency:

[0031] Through high-precision image acquisition, intelligent analysis and positioning, and flexible laser repair mechanism design, the repair efficiency of turbine blades has been significantly improved and the repair cycle has been shortened.

[0032] In summary, the laser repair visual positioning mechanism for turbine blades and its preferred technical solution significantly improve the efficiency and accuracy of turbine blade repair through high-precision image acquisition, intelligent analysis and positioning, and flexible laser repair mechanism design. This provides strong support for the maintenance of high-end equipment such as aero engines and has broad application prospects and important practical value. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0034] Figure 2 This is a schematic diagram of the laser repair mechanism of this utility model;

[0035] Figure 3 This is a schematic diagram of the image acquisition mechanism of this utility model;

[0036] In the diagram: 1. Repair table; 2. Laser repair mechanism; 3. Image acquisition mechanism; 4. Controller; 5. Support platform; 6. Displacement track; 7. Lifting frame; 8. Adjustment track; 9. Arm 1; 10. Arm 2; 11. Adjustment frame; 12. Hinge frame 2; 13. Hinge frame 1; 14. Laser positioner; 15. Laser repairer; 16. Rotary motor; 17. Adjustment motor; 18. Sliding track; 19. Support; 20. High-definition camera; 21. Rotary motor; 22. Track groove; 23. Threaded screw; 24. Drive motor. Detailed Implementation

[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0038] Please see Figure 1-3This utility model discloses a laser repair visual positioning mechanism for turbine blades, comprising a repair platform 1, an image acquisition mechanism 3, a laser repair mechanism 2, and a controller 4. The image acquisition mechanism 3 and the laser repair mechanism 2 are electrically connected to the controller 4. The controller 4 is installed on the front side of the repair platform 1. The image acquisition mechanism 3 includes a bracket 19 and a high-definition camera 20. The bracket 19 is installed on the side of the repair platform 1, and the high-definition camera 20 is hinged to the top of the bracket 19. The laser repair mechanism 2 includes a displacement rail 6, a lifting frame 7, an adjusting rail 8, a frame arm, a drive assembly, a laser positioner 14, and a laser repairer 15. The displacement rail 6 is installed on the other side of the repair platform 1. The lifting frame 7 is slidably mounted on the displacement rail 6 via the drive assembly. The lifting frame 7 is equipped with a lifting adjustment assembly. The adjusting track 8 is slidably mounted on the lifting frame 7 via a lifting adjustment assembly. The inner side of the adjusting track 8 is provided with an adjusting groove, and a displacement assembly is installed in the adjusting groove. The frame arm includes arm 1 9 and arm 2 10. Arm 1 9 is slidably mounted in a sliding groove and is driven to move by the displacement assembly. A rotary motor 16 is fixedly mounted at the front end of arm 1 9, and the output end of the rotary motor 16 passes through arm 1 9. The top of arm 2 10 is mounted on the output end of the rotary motor 16. An adjusting motor 17 is mounted on one side of the bottom end of arm 2 10. An adjusting frame 11 is rotatably mounted on the other end of arm 2 10, and the output end of the adjusting motor 17 is connected to the adjusting frame 11. The laser positioner 14 and the laser repairer 15 are hinged on the adjusting frame 11, and the laser point emitted by the laser positioner is perpendicular to the laser repairer 15.

[0039] The basic structure of the laser repair vision positioning mechanism for turbine blades:

[0040] Repair station 1: As the foundation of the entire mechanism, a controller 4 is installed on the front side. The controller 4 is used to receive image information collected by the image acquisition mechanism 3 and analyze the image information to determine the repair points of the propeller blade. At the same time, the controller 4 controls the laser repair mechanism 2 to adjust the position of the laser locator 14 and the laser repairer 15. The laser locator 14 generates a positioning laser to confirm the repair points of the laser repairer 15.

[0041] Image acquisition mechanism 3: includes a bracket 19 and a high-definition camera 20. The bracket 19 is installed on the side of the repair table 1, and the high-definition camera 20 is hinged to the top of the bracket 19 to capture precise image information of the turbine blades.

[0042] Laser repair mechanism 2: Composed of displacement rail 6, lifting frame 7, adjusting rail 8, frame arms (arm 1 9, arm 2 10), drive assembly, laser positioner 14, and laser repairer 15. Displacement rail 6 is installed on the other side of repair table 1. Lifting frame 7 slides on displacement rail 6 via drive assembly. Lifting frame 7 is equipped with lifting adjustment assembly. Adjusting rail 8 is installed on lifting frame 7 via lifting adjustment assembly. Frame arms slide within the adjustment groove of adjusting rail 8 via displacement assembly. Arm 2 10 achieves multi-angle adjustment via rotation motor 16 and adjustment motor 17. Laser positioner 14 is hinged to laser repairer 15 on adjusting frame 11 to ensure the laser point is perpendicular to the repairer.

[0043] Preferred technical solution:

[0044] Sliding rail 18 and adjustment component: The bottom of the bracket 19 is provided with a sliding rail 18. The bracket 19 is moved by the adjustment component, which increases the flexibility and range of image acquisition.

[0045] Rotary motor 21: A rotary motor 21 is fixedly installed on the bracket 19 to directly drive the high-definition camera 20 to rotate, further improving the comprehensiveness and accuracy of image acquisition.

[0046] Unified drive structure: The drive assembly, lifting adjustment assembly, displacement assembly and adjustment assembly all adopt the structure of drive motor 24 and threaded screw 23 to ensure the stability and accuracy of the movement of each component and simplify the maintenance process.

[0047] Hinged frame design: Hinged frame one 13 and hinged frame two 12 are set on the adjustment frame 11, which are used to hinge the laser positioner 14 and the laser repairer 15 respectively, to optimize the adjustment range of the laser beam and improve the repair accuracy. Motors can be installed on hinged frame one 13 and hinged frame two 12 to drive the angle adjustment of the laser positioner 14 and the laser repairer 15.

[0048] Design of bearing platform 5: A rectangular bearing platform 5 is set on the repair platform 1, which is specifically used to place turbine blades to ensure the stability and safety of the blades during the repair process.

[0049] Working principle:

[0050] Image acquisition: Driven by the bracket 19 and the rotary motor 21, the high-definition camera 20 acquires images of the turbine blades from all directions and transmits the data to the controller 4 for analysis and processing.

[0051] Location analysis: Based on the image data, the controller 4 calculates the precise coordinates of the damaged area on the blade using an algorithm.

[0052] Laser repair preparation: Controller 4 controls laser repair mechanism 2. Through the coordinated action of drive component, lifting adjustment component, displacement component and adjustment motor 17, laser locator 14 and laser repairer 15 are precisely aligned with the damaged area. High-definition camera 20 captures the image of the laser point positioning position of laser locator 14 to ensure that laser repairer 15 is aligned with the damaged point of propeller blade.

[0053] Laser repair: The laser repairer 15 emits a laser to repair the damaged area according to the instructions of the controller 4. At the same time, the laser locator 14 continuously monitors the repair position to ensure the accuracy of the repair process.

[0054] in conclusion:

[0055] The laser repair visual positioning mechanism for turbine blades and its preferred technical solution provided by this utility model significantly improve the efficiency and accuracy of turbine blade repair through high-precision image acquisition, intelligent analysis and positioning, and flexible laser repair mechanism 2 design, providing strong support for the maintenance of high-end equipment such as aero engines.

[0056] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A laser repair vision positioning mechanism for turbine blades, characterized in that, The system includes a repair table (1), an image acquisition mechanism (3), a laser repair mechanism (2), and a controller (4). The image acquisition mechanism (3) and the laser repair mechanism (2) are electrically connected to the controller (4). The controller (4) is installed on the front side of the repair table (1). The image acquisition mechanism (3) includes a bracket (19) and a high-definition camera (20). The bracket (19) is installed on the side of the repair table (1), and the high-definition camera (20) is hinged to the top of the bracket (19). The laser repair mechanism (2) includes a displacement rail (6), a lifting frame (7), an adjustment rail (8), a frame arm, a drive assembly, a laser positioner (14), and a laser repairer (15). The displacement rail (6) is installed on the other side of the repair table (1). The lifting frame (7) is slidably installed on the displacement rail (6) through the drive assembly. The lifting frame (7) is provided with a lifting adjustment assembly. The adjustment rail (8) is connected to the laser repairer through the lifting frame. The adjustment assembly is slidably installed on the lifting frame (7). The inner side of the adjustment track (8) is provided with an adjustment groove. The adjustment groove is equipped with a displacement assembly. The frame arm includes arm one (9) and arm two (10). Arm one (9) is slidably installed in the slide groove and is driven to move by the displacement assembly. A rotary motor (16) is fixedly installed at the front end of arm one (9). The output end of the rotary motor (16) passes through arm one (9). The top of arm two (10) is installed at the output end of the rotary motor (16). An adjustment motor (17) is installed on one side of the bottom end of arm two (10). An adjustment frame (11) is rotatably installed at the other end of arm two (10). The output end of the adjustment motor (17) is connected to the adjustment frame (11). The laser locator (14) and the laser repairer (15) are hinged on the adjustment frame (11). The laser point emitted by the laser locator is perpendicular to the laser repairer (15).

2. The laser repair visual positioning mechanism for turbine blades according to claim 1, characterized in that, The bottom of the bracket (19) is provided with a sliding rail (18), and an adjustment component is provided on the sliding rail (18). The bracket (19) is slidably mounted on the sliding rail (18), and the adjustment component is used to drive the displacement of the bracket (19).

3. The laser repair visual positioning mechanism for turbine blades according to claim 2, characterized in that, A rotary motor (21) is fixedly installed on the bracket (19), and the output end of the rotary motor (21) is connected to the high-definition camera (20).

4. The laser repair visual positioning mechanism for turbine blades according to claim 3, characterized in that, The drive assembly, lifting adjustment assembly, displacement assembly, and adjustment assembly adopt the same structure, all including a drive motor (24) and a threaded screw (23). The displacement rail (6), lifting frame (7), adjustment rail (8), and sliding rail (18) are all provided with rail grooves (22). The drive motor (24) is installed at the end of each rail groove (22), and the threaded screw (23) is rotatably installed in each rail groove (22), and the threaded screw (23) is connected to the output end of the drive motor (24).

5. A laser repair visual positioning mechanism for turbine blades according to claim 4, characterized in that, The adjustment frame (11) is provided with a first hinge frame (13) and a second hinge frame (12). The first hinge frame (13) is located above the second hinge frame (12). The laser locator (14) is hinged on the first hinge frame (13), and the laser repairer (15) is hinged on the second hinge frame (12).

6. A laser repair visual positioning mechanism for turbine blades according to claim 5, characterized in that, The repair platform (1) is provided with a support platform (5), which is used to place the bolt blades. The support platform (5) adopts a rectangular structure.