Tenon tooth detection equipment for aviation steam turbine
By designing a tenon tooth inspection device for aircraft steam turbines, and using sliding, lifting, and rotating mechanisms to adjust the position and angle of the micrometer, the problem of low accuracy in measuring the A1A2 value of the tenon teeth was solved, achieving efficient and accurate measurement results.
Patent Information
- Application Number
- CN202520370522.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-05
AI Technical Summary
In existing technologies, the measurement accuracy of tenon A1A2 values is low and the efficiency is slow. Manual measurement cannot guarantee accuracy, especially when there is an angle.
An aircraft turbine tenon tooth inspection device was designed, including components such as a base, tooling block, sliding rail, sliding block, lifting rail, and rotating block. The A1 and A2 values of the tenon tooth groove are measured in the holder using a micrometer, and the angle is adjusted by sliding, lifting, and rotating mechanisms to achieve accurate measurement.
Stable and accurate measurement of the A1 and A2 values of the falcon teeth was achieved, improving measurement efficiency. In particular, the angle could be precisely adjusted even when there was an angle, thus improving the accuracy of the measurement.
Smart Images
Figure CN223741439U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of parts testing technology, specifically to a device for testing the tenon teeth of an aircraft steam turbine. Background Technology
[0002] A tenon is a special type of mortise and tenon joint, characterized by both the tenon and mortise being toothed. This structure is typically designed for applications requiring high strength because it provides a more robust and stable connection. In a tenon joint, the tenon usually has a series of toothed protrusions that engage with corresponding toothed grooves in the mortise to create a tight fit. When two parts are joined together using a tenon joint, these toothed protrusions and grooves interlock, providing excellent tensile and shear strength.
[0003] The upper side of the tenon tooth consists of multiple tenon tooth grooves. The distance between the upper and lower sets of tenon tooth grooves is defined by values A1 and A2, respectively. Currently, measuring the A1 and A2 values of the tenon tooth requires manual measurement using a measuring rod and micrometer, which is inaccurate and inefficient. Furthermore, manual measurement cannot guarantee accuracy if there is an angle within the tenon tooth groove. Therefore, a special fixture has been designed to more stably and accurately measure the A1 and A2 values of the tenon tooth. Utility Model Content
[0004] The purpose of this invention is to provide a device for detecting the tenon teeth of aircraft steam turbines, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: an aircraft steam turbine tenon tooth inspection device, comprising a base and a tooling block. A sliding rail is fixedly connected to one side of the upper part of the base, and a sliding block is slidably connected to the outer side of the sliding rail. A lifting rail is fixedly connected to the upper part of the sliding block, and a lifting block is slidably connected to the outer side of the lifting rail. A rotating block is fixedly connected to one side of the lifting block, and a rotating rod is rotatably connected to the middle of the rotating block. Rotating plates are fixedly connected to the upper and lower ends of the rotating rod. A mounting plate is fixedly connected to one side of the rotating plate, and a placement ring is fixedly connected to the lower part of the other side of the mounting plate. A lifting rod is fixedly connected to the upper part of the placement ring, and a fixed ring that mates with the placement ring is slidably connected to the outer side of the lifting rod. A clamping rod is sleeved between the fixed ring and the placement ring. A sliding rod is slidably connected inside the clamping rod. A connecting rod is fixedly connected to one end of the sliding rod, and a mounting block is fixedly connected to the other end of the connecting rod. A clamp is fixedly connected to the outer side of the mounting block, and a micrometer is sleeved inside the clamp. Several sets of tenon teeth are fixedly connected to the upper part of the tooling block, and tenon tooth grooves are opened on the outer side of the tenon teeth.
[0006] Preferably, the sliding block is internally threaded with a first fastening screw, and the lifting block is internally threaded with a second fastening screw.
[0007] Preferably, a torsion spring is sleeved on the outer side of the rotating rod, and the two ends of the torsion spring are fixedly connected to the rotating plate and the rotating block. A first threaded rod is threadedly connected inside the fixing ring, and the lower part of the first threaded rod is rotatably connected to the placement ring.
[0008] Preferably, a rotating cap is fixedly connected to one side of the sliding rod, a connecting groove is provided inside the clamping rod, a spring is fixedly connected between the inner wall of the connecting groove and the mounting block, and the spring is sleeved on the outside of the connecting rod.
[0009] Preferably, the front side of the clamp is configured as an elastic structure, and a second threaded rod is fixedly connected inside the clamp, with a fastening cap threaded through the outer side of the second threaded rod.
[0010] Preferably, handles are fixedly connected to both sides of the base.
[0011] Compared with the prior art, the beneficial effects of this utility model are:
[0012] This invention adjusts the position of the micrometer by placing it in a clamp, moving a sliding block back and forth along a sliding rail, and moving a lifting block up and down along a lifting rail. The micrometer is then used to measure the A and A values of the falcon tooth groove on the upper part of the falcon tooth. At the same time, the sliding rod can extend and retract slightly along the clamping rod, thus preventing the complicated operation caused by reinstalling the micrometer. Furthermore, by rotating the rotating rod around the rotating block and swinging the placement ring left and right, the A1 and A2 values of the falcon tooth can be measured more stably and accurately. When there is an angle between A1 and A2 during the measurement process, the swing mechanism can adjust the angle for more precise measurement of the value. Attached Figure Description
[0013] Figure 1 This is a first-view three-dimensional structural diagram of the present invention;
[0014] Figure 2 This is an enlarged view of the second-view placement ring structure of this utility model;
[0015] Figure 3 This is a cross-sectional view of the clamping rod structure from a third-view perspective of this utility model;
[0016] Figure 4 This is a schematic diagram of the fourth-view gripper structure of this utility model.
[0017] In the diagram: 1. Base; 2. Sliding rail; 3. Sliding block; 4. Lifting rail; 5. Lifting block; 6. Rotating block; 7. Rotating rod; 8. Rotating plate; 9. Mounting plate; 10. Placement ring; 11. Lifting rod; 12. Fixing ring; 13. Clamping rod; 14. Sliding rod; 15. Mounting block; 16. Clamp; 17. Micrometer; 18. Tooling block; 19. Falcon tooth; 20. Falcon tooth groove; 21. First fastening screw; 22. Second fastening screw; 23. Rotating cap; 24. Torsion spring; 25. First threaded rod; 26. Connecting groove; 27. Connecting rod; 28. Spring; 29. Handle; 30. Second threaded rod; 31. Fastening cap. Detailed Implementation
[0018] 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.
[0019] Please see Figure 1-4This utility model provides a technical solution: a turbine tooth inspection device, including a base 1 and a tooling block 18. A sliding rail 2 is fixedly welded to one side of the upper part of the base 1. A sliding block 3 is slidably installed on the outer side of the sliding rail 2. A lifting rail 4 is fixedly welded to the upper part of the sliding block 3. A lifting block 5 is slidably installed on the outer side of the lifting rail 4. A rotating block 6 is fixedly welded to one side of the lifting block 5. A rotating rod 7 is rotatably installed in the middle of the rotating block 6. Rotating plates 8 are fixedly welded to the upper and lower ends of the rotating rod 7. A mounting plate 9 is fixedly welded to one side of the rotating plate 8. A placement ring 10 is fixedly welded to the lower part of the other side of the mounting plate 9. A lifting rod 11 is fixedly welded to the upper part of the placement ring 10. A fixing ring 12 that matches the placement ring 10 is slidably installed on the outer side of the lifting rod 11. A clamping rod 13 is sleeved between the fixing ring 12 and the placement ring 10. A sliding rod 14 is slidably installed inside the clamping rod 13. A connecting rod is fixedly welded to one end of the sliding rod 14. 27. A mounting block 15 is fixedly welded to the other end of the connecting rod 27. A clamp 16 is fixedly welded to the outside of the mounting block 15. A micrometer 17 is fitted inside the clamp 16. Several sets of fang teeth 19 are fixedly welded to the upper part of the tooling block 18. A fang tooth groove 20 is opened on the outside of the fang teeth 19. By placing the micrometer 17 in the clamp 16, the sliding block 3 moves back and forth along the sliding rail 2, and the lifting block 5 moves up and down along the lifting rail 4, thereby adjusting the position of the micrometer 17. The micrometer 17 is used to measure the A1 and A2 values of the fang tooth groove 20 on the upper part of the fang tooth 19. At the same time, the sliding rod 14 can extend and retract slightly along the clamping rod 13, thereby preventing the micrometer 17 from being reinstalled and causing complicated operation. By rotating the rotating rod 7 around the rotating block 6, the placement ring 10 is swung left and right. When there is an angle between A1 and A2 during the measurement process, the swaying mechanism can adjust the angle to measure the value more accurately.
[0020] The sliding block 3 has a first fastening screw 21 installed internally. By tightening the first fastening screw 21, the first fastening screw 21 presses against the sliding rail 2, locking the movement of the sliding block 3. The lifting block 5 has a second fastening screw 22 internally connected. By tightening the second fastening screw 22, the second fastening screw 22 presses against the lifting rail 4, locking the lifting of the lifting block 5. A torsion spring 24 is sleeved on the outside of the rotating rod 7. The two ends of the torsion spring 24 are fixedly welded to the rotating plate 8 and the rotating block 6. The torsion spring 24 pulls the rotating rod 7, allowing the placement ring 10 to return to its original position after a slight angle adjustment. The fixing ring 12 has a first threaded rod 25 internally installed. The lower part of the first threaded rod 25 is rotatably installed with the placement ring 10. By rotating the first threaded rod 25, the fixing ring 12 moves up and down along the lifting rod 11, realizing the installation of the clamping rod 13. The sliding rod 14 is fixedly welded to one side with a rotating cap 23 to facilitate the movement of the sliding rod 14. The clamping rod 13 has a connecting groove 26 inside. A spring 28 is fixedly welded between the inner wall of the connecting groove 26 and the mounting block 15. The spring 28 is sleeved on the outside of the connecting rod 27. The spring 28 controls the mounting block 15 to ensure that the sliding rod 14 can return to its original position after the position is finely adjusted. The front of the clamp 16 is set with an elastic structure. A second threaded rod 30 is fixedly welded inside the clamp 16. The upper part of the second threaded rod 30 penetrates the outer thread of the clamp 16 and a fastening cap 31 is installed. By rotating the fastening cap 31, the fastening cap 31 presses the upper part of the clamp 16, thereby clamping the micrometer 17 and realizing the installation of the micrometer 17. The base 1 has handles 29 fixedly welded to both sides to facilitate the movement of the base 1.
[0021] Working principle: When using this utility model, the micrometer 17 is placed in the clamp 16, and the fastening cap 31 is rotated to press the upper part of the clamp 16, thereby clamping the micrometer 17. The sliding block 3 moves back and forth along the sliding rail 2, and the first fastening screw 21 presses the sliding rail 2 to lock the movement of the sliding block 3. The lifting block 5 moves up and down along the lifting rail 4, and the second fastening screw 22 presses the lifting rail 4 to lock the lifting of the lifting block 5, thereby adjusting the position of the micrometer 17. The micrometer 17 is used to measure the A1 and A2 values of the falcon tooth groove 20 on the upper part of the falcon tooth 19. At the same time, the sliding rod 14 can extend and retract slightly along the clamping rod 13, thereby preventing the complicated operation caused by reinstalling the micrometer 17. Furthermore, by rotating the rotating rod 7 around the rotating block 6, the placement ring 10 is swung left and right. When there is an angle between A1 and A2 during the measurement process, the swaying mechanism can adjust the angle to measure the value more accurately.
[0022] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0023] 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. An aircraft turbine pin tooth inspection apparatus comprising a base (1), a tool block (18), characterised in that: The upper side of the base (1) is fixedly connected with a sliding rail (2), the outer side of the sliding rail (2) is slidably connected with a sliding block (3), the upper part of the sliding block (3) is fixedly connected with a lifting rail (4), the outer side of the lifting rail (4) is slidably connected with a lifting block (5), one side of the lifting block (5) is fixedly connected with a rotating block (6), the middle part of the rotating block (6) is rotatably connected with a rotating rod (7), the upper and lower ends of the rotating rod (7) are fixedly connected with rotating plates (8), one side of the rotating plate (8) is fixedly connected with a mounting plate (9), the other side of the mounting plate (9) is fixedly connected with a placing ring (10) at the lower part, the upper part of the placing ring (10) is fixedly connected with a lifting rod (11), the outer side of the lifting rod (11) is slidably connected with a fixed ring (12) matched with the placing ring (10), the fixed ring (12) and the placing ring (10) are sleeved with a clamping rod (13) therebetween, the inside of the clamping rod (13) is slidably connected with a sliding rod (14), one end of the sliding rod (14) is fixedly connected with a connecting rod (27), the other end of the connecting rod (27) is fixedly connected with a mounting block (15), the outer side of the mounting block (15) is fixedly connected with a clamp (16), the inside of the clamp (16) is sleeved with a micrometer (17), the upper part of the tool block (18) is fixedly connected with a plurality of groups of falcon teeth (19), the outer side of the falcon tooth (19) is provided with a falcon tooth groove (20).
2. The aircraft turbine pin tooth detection apparatus of claim 1, wherein: The inside of the sliding block (3) is threadedly connected with a first fastening screw (21), and the inside of the lifting block (5) is threadedly connected with a second fastening screw (22).
3. The aircraft turbine pin tooth detection apparatus of claim 1, wherein: The outer side of the rotating rod (7) is sleeved with a torsional spring (24), both ends of the torsional spring (24) are fixedly connected with the rotating plate (8) and the rotating block (6), the inside of the fixed ring (12) is threadedly connected with a first threaded rod (25), and the lower part of the first threaded rod (25) is rotatably connected with the placing ring (10).
4. The aircraft turbine pin tooth detection apparatus of claim 1, wherein: One side of the sliding rod (14) is fixedly connected with a rotating cap (23), the inside of the clamping rod (13) is provided with a communication groove (26), the spring (28) is fixedly connected between the inner wall of the communication groove (26) and the mounting block (15), and the spring (28) is sleeved on the outer side of the connecting rod (27).
5. The aircraft turbine pin tooth detection apparatus of claim 1, wherein: The front side of the clamp (16) is provided as an elastic structure, the inside of the clamp (16) is fixedly connected with a second threaded rod (30), and the upper part of the second threaded rod (30) penetrates the outer side of the clamp (16) and is threadedly connected with a fastening cap (31).
6. The aircraft turbine gullet inspection apparatus of claim 1, wherein: The two sides of the base (1) are fixedly connected with handles (29).