Fixing device based on turbine blade repair
By designing a turbine blade fixing device that includes a sliding rod, a slider, and a threaded rod driven by a motor, the problem of traditional devices being difficult to adapt to blade clamping and fixing is solved, enabling flexible adjustment and precise repair of blades, and improving repair quality and safety.
Patent Information
- Application Number
- CN202422753382.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-11-12
AI Technical Summary
In the existing turbine blade repair process, traditional fixing devices are difficult to adapt to the clamping and fixing requirements of various blades, resulting in insufficient blade stability and precision, affecting repair quality and accuracy, and limiting their versatility and flexibility.
A fixing device including a fixing plate, an adjustment mechanism, and a placement plate was designed. It uses components such as sliding rods, sliders, motor-driven threaded rods, and universal joints to achieve flexible clamping and precise adjustment of the blades. Combined with the mobility of universal wheels and electronic brakes, the device uses servo motors and anti-slip silicone to improve operational accuracy and safety.
It enables flexible clamping and precise adjustment of turbine blades, improving the accuracy and efficiency of repair, reducing operational difficulty and safety hazards, and enhancing the versatility and adaptability of the device.
Smart Images

Figure CN223506723U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of turbine blade repair technology, specifically a fixing device based on turbine blade repair. Background Technology
[0002] As is well known, the performance and efficiency of existing turbines, as key equipment in modern industry, are directly affected by the condition of turbine blades. Turbine blades work in high temperature, high pressure and high speed rotation environment for a long time, and are extremely susceptible to damage such as wear, corrosion and cracks. These damages not only reduce the performance of the turbine, but may also lead to serious safety accidents. Therefore, it is essential to conduct regular inspection and repair of turbine blades.
[0003] In the existing turbine blade repair process, the fixing device plays a crucial role. However, due to the complex shape and varying size of turbine blades, traditional fixing devices are difficult to adapt to the clamping and fixing requirements of various blades. This makes it difficult to ensure the stability and accuracy of the blades during the repair process, thus affecting the repair quality and precision, and limiting their versatility and flexibility. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] In view of the shortcomings of the existing technology, this utility model provides a fixing device based on turbine blade repair.
[0006] (II) Technical Solution
[0007] To achieve the above objectives, this utility model provides the following technical solution: a fixing device for turbine blade repair, comprising a fixing plate, an adjusting mechanism, and a placement plate. Symmetrical connecting plates are provided at both ends of the sidewall of the fixing plate. A sliding rod is provided between the two connecting plates, connecting the two connecting plates. A slider is provided on the sliding rod, and the slider is slidably connected to the sliding rod. A groove is provided on the sidewall of the fixing plate. An auxiliary block is provided at the lower end of the slider, penetrating the groove and slidably connected thereto. A placement frame is provided at the upper end of the slider, and a rotating rod is provided at the upper end of the placement frame. The device contains a first motor. The rotating rod passes through the placement frame and is connected to the output end of the first motor. An adjustment mechanism is provided at the upper end of the rotating rod. The adjustment mechanism includes a fixed box, a threaded rod, and a moving block. The bottom wall of the fixed box is connected to the upper end of the rotating rod. The fixed box contains a cavity without an upper side wall. The threaded rod and the moving block are both inside the cavity. The threaded rod passes through the moving block and is threadedly connected to it. The moving block is in contact with and slidably connected to the inner side wall of the cavity. A universal joint is provided at the upper end of the moving block. The placement plate is located at the upper end of the universal joint. Four sets of control plates are provided at the upper end of the placement plate.
[0008] In order to achieve flexible clamping of turbine blades, the present invention has the following improvements: springs are provided on the inner sidewalls of two sets of symmetrical control plates, and electric telescopic rods are provided on the inner sidewalls of the other two sets of symmetrical control plates. Clamping plates are provided at one end of the springs and the electric telescopic rods.
[0009] To enable the entire device to be easily moved and fixed, the present invention is improved as follows: universal wheels are provided at the four corners of the bottom wall of the fixing plate, and electronic brakes are provided on the universal wheels, and the universal wheels are adapted to the electronic brakes.
[0010] To help operators make fine adjustments according to repair needs, the present invention is improved as follows: the sliding rod is provided with multiple fixing holes, the side wall of the slider is provided with a sliding hole, the fixing holes and the sliding holes can coincide, a locking rod is provided in the fixing hole, and the locking rod passes through the fixing hole and the sliding hole.
[0011] To increase the friction between the clamping plate and the blade, the present invention is improved by providing anti-slip silicone on the inner side wall of the clamping plate.
[0012] To ensure the stability of the placement plate during adjustment, the present invention features an improvement: the universal joint is damped.
[0013] To achieve automatic adjustment of the placement plate position, the present invention is improved by: a second motor is provided on one side wall of the fixing box, and the threaded rod passes through the side wall of the fixing box and is connected to the output end of the second motor.
[0014] To achieve precise control performance, the present invention features the following improvement: the first motor is a servo motor.
[0015] (III) Beneficial Effects
[0016] Compared with the prior art, this utility model provides a fixing device based on turbine blade repair, which has the following beneficial effects:
[0017] This turbine blade repair fixing device is equipped with an adjustment mechanism. A second motor output drives a threaded rod to rotate, and a moving block moves with the rotation of the threaded rod, thus moving the placement plate. In conjunction with a universal joint, sliding rod, and slider, the slider slides on the sliding rod, allowing the device to flexibly adjust the angle and position of the blades according to repair needs, improving the accuracy and efficiency of the repair. A first motor and rotating rod enable fine adjustment of the placement plate's orientation, meeting the flexibility and accuracy requirements of different repair needs. This not only improves the quality and efficiency of the repair work but also reduces operational difficulty and safety hazards. The device also incorporates a spring and an electric telescopic rod, easily handling the repair needs of turbine blades of different models and specifications, demonstrating good versatility and adaptability. Attached Figure Description
[0018] Figure 1 This is a first-view schematic diagram of the structure of this utility model;
[0019] Figure 2 This is a second-view schematic diagram of the structure of this utility model;
[0020] Figure 3 This is a schematic diagram of the cross-section of the structural fixing plate of this utility model;
[0021] Figure 4 This is an exploded view of the sliding rod and slider of this utility model.
[0022] In the diagram: 1. Fixed plate; 2. Caster wheel; 3. Connecting plate; 4. Sliding rod; 5. Slider; 6. Fixed box; 7. First motor; 8. Placement rack; 9. Placement plate; 10. Universal shaft; 11. Control board; 12. Electric telescopic rod; 13. Spring; 14. Clamping plate; 15. Threaded rod; 16. Moving block; 17. Second motor; 18. Auxiliary block; 19. Rotating rod; 20. Locking rod. Detailed Implementation
[0023] 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.
[0024] Please see Figure 1-4A fixing device for turbine blade repair includes a fixing plate 1, an adjustment mechanism, and a placement plate 9. Symmetrical connecting plates 3 are provided at both ends of the upper sidewall of the fixing plate 1. A sliding rod 4 is provided between the two connecting plates 3, connecting the two connecting plates 3. A slider 5 is provided on the sliding rod 4, and the slider 5 is slidably connected to the sliding rod 4. A groove is provided on the upper sidewall of the fixing plate 1. An auxiliary block 18 is provided at the lower end of the slider 5, passing through the groove and slidably connected thereto. A placement frame 8 is provided at the upper end of the slider 5. A rotating rod 19 is provided at the upper end of the placement frame 8. A first motor 7 is provided inside the placement frame 8. The rotating rod 19 passes through the placement frame 8 and is connected to the output end of the first motor 7. An adjustment mechanism is provided at the upper end of the rotating rod 19. The adjustment mechanism includes a fixing box 6, a threaded rod 15, and a moving block 16. The bottom wall of the fixing box 6 is connected to the upper end of the rotating rod 19. A cavity without an upper sidewall is provided inside the fixing box 6. The threaded rod 15... Both the movable block 16 and the movable block 16 are located within the cavity. The threaded rod 15 passes through the movable block 16 and is threadedly connected to it. The movable block 16 is fitted against and slidably connected to the inner wall of the cavity. A universal joint 10 is provided at the upper end of the movable block 16. The placement plate 9 is located at the upper end of the universal joint 10. Four sets of control plates 11 are provided at the upper end of the placement plate 9. Springs 13 are provided on the inner walls of two symmetrical sets of control plates 11, and electric telescopic rods 12 are provided on the inner walls of the other two symmetrical sets of control plates 11. 13 and one end of the electric telescopic rod 12 are both provided with clamping plates 14. The sliding rod 4 is provided with multiple fixing holes. The side wall of the slider 5 is provided with a sliding hole. The fixing hole and the sliding hole can coincide. A locking rod 20 is provided in the fixing hole. The locking rod 20 passes through the fixing hole and the sliding hole. The universal shaft 10 is provided with damping. A second motor 17 is provided on one side wall of the fixed box 6. The threaded rod 15 passes through the side wall of the fixed box 6 and is connected to the output end of the second motor 17.
[0025] During use, the blade is placed on the placement plate 9 between the four clamping plates 14. The spring 13 contracts under external force, causing the clamping plates 14 to move and thus fix the blade to a certain extent. The electric telescopic rod 12 is activated, extending to move the other two clamping plates 14 for further fixation, allowing the repair work to begin. During repair, the universal joint 10 can be adjusted by forcefully rotating it. The first motor 7 is activated, and its output drives the threaded rod 15 to rotate. Under the limit of the fixing box 6, the moving block 16... As the threaded rod 15 rotates, it moves, causing the blades to move as well. The blades' positions can be adjusted. Slide the slider 5 forcefully; the slider 5 slides on the sliding rod 4. At this time, the auxiliary block 18 slides within the groove, allowing its horizontal position to be adjusted. When adjusted to a suitable position, the corresponding sliding hole and fixing hole coincide. Use the locking rod 20 to lock the fixing hole and sliding hole together. Start the second motor 17; the output of the second motor 17 drives the rotating rod 19 to rotate, allowing the blade orientation to be adjusted. Adjust the position and angle of the blades as needed, following the above operations, for comprehensive repair.
[0026] In practical use, the entire device needs to be easily movable to improve portability and flexibility. To meet the above requirements, in this embodiment, universal wheels 2 are provided at the four corners of the bottom wall of the fixed plate 1, and electronic brakes are provided on the universal wheels 2. The universal wheels 2 are adapted to the electronic brakes.
[0027] In actual use, it is necessary to increase the friction between the clamping plate 14 and the blade to prevent the blade from sliding or falling off during the repair process. In order to meet the above requirements, in this embodiment, the inner sidewall of the clamping plate 14 is provided with anti-slip silicone.
[0028] In actual use, it is necessary to maintain the stability and accuracy of the blade position during the repair process. In order to meet the above requirements, in this embodiment, the first motor 7 is a servo motor.
[0029] To illustrate the possible application scenarios, technical principles, implementable specific solutions, and achievable objectives and effects of this application in detail, the following description, in conjunction with the listed specific embodiments and accompanying drawings, provides a detailed explanation. The embodiments described herein are merely illustrative of the technical solutions of this application and are therefore intended to limit the scope of protection of this application.
[0030] 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 fixing device for turbine blade repair, comprising a fixing plate (1), an adjustment mechanism, and a placement plate (9), characterized in that: The upper sidewall of the fixed plate (1) is provided with symmetrical connecting plates (3) at both ends. A sliding rod (4) is provided between the two connecting plates (3). The sliding rod (4) connects the two connecting plates (3). A slider (5) is provided on the sliding rod (4). The slider (5) is slidably connected to the sliding rod (4). The upper sidewall of the fixed plate (1) is provided with a groove. An auxiliary block (18) is provided at the lower end of the slider (5). The auxiliary block (18) passes through the groove and is slidably connected to it. A placement frame (8) is provided at the upper end of the slider (5). A rotating rod (19) is provided at the upper end of the placement frame (8). A first motor (7) is provided inside the placement frame (8). The rotating rod (19) passes through the placement frame (8) and is connected to the first motor (7). A motor (7) is connected to the output end. An adjustment mechanism is provided at the upper end of the rotating rod (19). The adjustment mechanism includes a fixed box (6), a threaded rod (15), and a moving block (16). The bottom wall of the fixed box (6) is connected to the upper end of the rotating rod (19). A cavity without an upper side wall is provided inside the fixed box (6). The threaded rod (15) and the moving block (16) are both inside the cavity. The threaded rod (15) passes through the moving block (16) and is threadedly connected to it. The moving block (16) is in contact with and slidably connected to the inner side wall of the cavity. A universal joint (10) is provided at the upper end of the moving block (16). The placement plate (9) is at the upper end of the universal joint (10). Four sets of control plates (11) are provided at the upper end of the placement plate (9).
2. The fixing device based on turbine blade repair according to claim 1, characterized in that: Two sets of symmetrical control plates (11) have springs (13) on their inner walls, and two other sets of symmetrical control plates (11) have electric telescopic rods (12) on their inner walls. One end of each spring (13) and electric telescopic rod (12) is provided with a clamping plate (14).
3. The fixing device based on turbine blade repair according to claim 2, characterized in that: The fixed plate (1) has casters (2) at the four corners of its bottom wall, and each caster (2) is equipped with an electronic brake. The casters (2) are adapted to the electronic brake.
4. The fixing device for turbine blade repair according to claim 3, characterized in that: The sliding rod (4) is provided with multiple fixing holes, and the slider (5) is provided with a sliding hole on its side wall. The fixing hole and the sliding hole can overlap. A locking rod (20) is provided in the fixing hole, and the locking rod (20) passes through the fixing hole and the sliding hole.
5. The fixing device for turbine blade repair according to claim 4, characterized in that: The inner wall of the clamping plate (14) is provided with anti-slip silicone.
6. The fixing device for turbine blade repair according to claim 5, characterized in that: The universal joint (10) is damped.
7. The fixing device for turbine blade repair according to claim 6, characterized in that: A second motor (17) is provided on one side wall of the fixed box (6), and the threaded rod (15) passes through the side wall of the fixed box (6) and is connected to the output end of the second motor (17).
8. The fixing device for turbine blade repair according to claim 7, characterized in that: The first motor (7) is a servo motor.