Quick clamping tool for micro turbojet engine

Abstract

This utility model discloses a quick-clamping fixture for a micro turbojet engine, belonging to the field of clamping fixture technology. It includes an upper clamping block and a lower clamping block, both of which are semi-circular arc-shaped and mutually matched. Lower extension plates extend horizontally outward from both ends of the lower clamping block. One end of the upper clamping block is hinged to the lower extension plate, and the other end extends outward with an upper extension plate. A quick-clamping clamp is provided on the side of the upper extension plate and is fixed to the corresponding lower extension plate, clamping and securing the upper extension plate to the lower extension plate. This utility model features a hinged structure for the upper and lower clamping blocks, equipped with a quick-clamping clamp, replacing traditional screw fixing. Clamping is completed in three steps, greatly increasing efficiency. The semi-circular arc shape conforms to the circular contour of the engine, ensuring stable clamping and avoiding uneven force distribution. It has a simple structure, is easy to operate, opens and closes flexibly, and has high reliability.

Description

Technical Field

[0001] This utility model belongs to the field of clamping tooling technology, and in particular relates to a quick clamping tooling for a micro turbojet engine. Background Technology

[0002] As a core power component of drones, model aircraft, and other similar devices, the micro turbojet engine demands extremely high stability and ease of use in its assembly, performance testing, and maintenance. Traditional clamping methods often employ bolt-fastened, separate fixtures that use multiple sets of screws to fix the engine casing to a rigid support, which has the following significant drawbacks:

[0003] Low clamping efficiency: Traditional tooling requires tightening or loosening multiple screws one by one, often requiring 5-8 steps to complete a single clamping or disassembly, which is time-consuming. In mass production testing or rapid maintenance scenarios, frequent screw operations severely restrict work efficiency and make it difficult to meet the requirements of high-efficiency operation.

[0004] Poor versatility: Traditional tooling has fixed clamping dimensions, requiring the replacement of corresponding clamps for engines of different diameters, increasing equipment costs and changeover time. Especially during the R&D phase, engine prototypes iterate frequently, making it difficult for fixed-size tooling to adapt to diverse testing needs.

[0005] The operation is highly complex: tightening the screws requires tools such as wrenches, and it is necessary to ensure that multiple sets of screws are tightened evenly; otherwise, it can easily lead to deformation of the engine housing or scratches on the surface. For non-professional operators, improper operation may cause equipment damage and increase maintenance costs.

[0006] To address the aforementioned issues, there is an urgent need for a micro turbojet engine clamping fixture that can achieve rapid clamping, adapt to various specifications, and is easy to operate, in order to improve production testing efficiency and operational safety. Utility Model Content

[0007] To solve the above-mentioned technical problems, this utility model proposes a quick clamping fixture for a micro turbojet engine.

[0008] To achieve the above objectives, this utility model provides a quick clamping fixture for a micro turbojet engine, comprising: an upper clamping block and a lower clamping block, both of which are semi-circular arc-shaped and matched with each other; the lower clamping block extends horizontally outward from both ends to form lower extension plates, one end of the upper clamping block is hinged to the lower extension plate, and the other end extends outward to form an upper extension plate; a quick clamp is provided on the side of the upper extension plate, and the quick clamp is fixedly connected to the lower extension plate corresponding to the upper extension plate, clamping and securing the upper extension plate to the lower extension plate.

[0009] Optionally, an adjusting bolt is threadedly connected to the upper extension plate corresponding to the clamping position of the quick clamp. In the clamping state, the top of the adjusting bolt abuts against the end of the quick clamp, and the bottom of the adjusting bolt passes through the upper extension plate and abuts against the lower extension plate.

[0010] Optionally, fixing holes are symmetrically provided on the two lower extension plates.

[0011] Optionally, the quick clamp is equipped with an anti-loosening pin.

[0012] Optionally, anti-slip pads are fixedly attached to the inner sides of both the upper clamping block and the lower clamping block.

[0013] Optionally, adjusting blocks are embedded in the inner sides of both the upper clamping block and the lower clamping block, and the two adjusting blocks can extend and retract along the radius of the upper clamping block and the lower clamping block.

[0014] Optionally, a threaded post is rotatably connected to the center of the side of the adjusting block near the upper clamping block or the lower clamping block. The threaded post passes through the upper clamping block or the lower clamping block and is threadedly connected to the upper clamping block or the lower clamping block. A rotating handle is fixedly attached to the outer end face of the threaded post.

[0015] Optionally, guide posts are fixedly connected to both sides of the adjusting block near the upper clamping block or the lower clamping block, and the two guide posts pass through the upper clamping block or the lower clamping block and are slidably connected to the upper clamping block or the lower clamping block.

[0016] Compared with the prior art, the present invention has the following advantages and technical effects:

[0017] The hinged design of the upper and lower clamping blocks forms a hinge-like structure, which, together with the quick-release clamps, replaces the traditional method of fixing with multiple screws. Clamping can be completed with a simple flip, snap, and clamping action, achieving rapid clamping and significantly improving operational efficiency. Installation and fixing can be solved in just three steps. The semi-circular clamping blocks can closely fit the circular contour of the turbojet engine, ensuring clamping stability and avoiding the uneven force distribution problems that may occur with traditional fixing methods. The overall structure is simple, with few parts, and easy to operate, even for non-professionals. The hinged design allows for flexible opening and closing, facilitating engine loading and unloading and adapting to different operating environments. The quick-release clamps' fastening method also ensures stable clamping force, improving the reliability of the tooling. Attached Figure Description

[0018] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0019] Figure 1 This is a schematic diagram of the quick-clamping tooling structure for the micro turbojet engine of this utility model;

[0020] Figure 2 This is a front view of the quick-clamping tooling for the micro turbojet engine of this utility model;

[0021] Figure 3 This is a cross-sectional view of the quick-clamping tooling for the micro turbojet engine of this utility model;

[0022] Figure 4 for Figure 1 A magnified view of A in the middle.

[0023] In the diagram: 1. Upper clamping block; 2. Lower clamping block; 3. Lower extension plate; 4. Upper extension plate; 5. Quick clamp; 6. Adjusting bolt; 7. Fixing hole; 8. Anti-loosening pin; 9. Anti-slip pad; 10. Adjusting block; 11. Threaded post; 12. Rotating handle; 13. Guide post. Detailed Implementation

[0024] 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.

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0026] Reference Figures 1 to 4 As shown, this embodiment provides a quick clamping fixture for a micro turbojet engine, including: an upper clamping block 1 and a lower clamping block 2, both of which are semi-circular arc-shaped and matched with each other; the lower clamping block 2 extends horizontally outward from both ends to form a lower extension plate 3, one end of the upper clamping block 1 is hinged to the lower extension plate 3, and the other end extends outward to form an upper extension plate 4; a quick clamp 5 is provided on the side of the upper extension plate 4, and the quick clamp 5 is fixedly connected to the lower extension plate 3 corresponding to the upper extension plate 4, clamping and securing the upper extension plate 4 to the lower extension plate 3.

[0027] The hinged design of the upper clamping block 1 and the lower clamping block 2 forms a hinge-like structure. Combined with the quick clamp 5, it replaces the traditional method of fixing with multiple screws. Clamping can be completed with just a simple flip, snap, and clamping action, achieving rapid clamping and greatly improving operating efficiency. Installation and fixing can be solved in three steps. The semi-circular clamping block can fit closely with the circular contour of the turbojet engine, ensuring clamping stability and avoiding the problem of uneven force that may occur in traditional fixing methods. The overall structure is simple, with few parts and convenient operation. Even non-professionals can easily use it. At the same time, the hinged design makes opening and closing flexible, which is convenient for picking up and putting down the engine and adapting to different operating environments. The fastening method of the quick clamp 5 can also ensure the stability of the clamping force and improve the reliability of the tooling.

[0028] In some alternative implementations, an adjusting bolt 6 is threadedly connected to the upper extension plate 4 at the corresponding clamping position of the quick clamp 5. In the clamping state, the top of the adjusting bolt 6 abuts against the end of the quick clamp 5, and the bottom of the adjusting bolt 6 passes through the upper extension plate 4 and abuts against the lower extension plate 3.

[0029] The extension length of the adjusting bolt 6 can be flexibly adjusted by rotating it, thereby precisely controlling the clamping gap between the upper clamping block 1 and the lower clamping block 2. This ensures stable clamping of micro turbojet engines of different sizes or slight differences, preventing engine shaking due to excessively loose clamping, while also preventing damage to the engine surface due to excessively tight clamping, thus improving the versatility and adaptability of the tooling. At the same time, the adjusting bolt 6 forms a rigid support between the quick clamp 5 and the lower extension plate 3, making the clamping force transmission more uniform and stable, enhancing the reliability of the overall clamping structure. Combined with the fastening effect of the quick clamp 5, the clamping effect is further optimized.

[0030] In some alternative implementations, fixing holes 7 are symmetrically provided on the two lower extension plates 3.

[0031] The symmetrically arranged fixing holes 7 can easily fix the entire fixture to the test frame or other working platform using bolts and other connectors, ensuring that the fixture will not shift or shake during the clamping operation and subsequent testing of the micro turbojet engine, providing a basic guarantee for the stability of the clamping. At the same time, the symmetrical layout of the holes makes the fixing force of the fixture more balanced, avoiding clamping deviation or equipment damage caused by unstable fixing, further improving the reliability and safety of the fixture during use, and also providing convenience for the fixture to be adapted to different test platforms.

[0032] In some alternative implementations, the quick clamp 5 is fitted with an anti-loosening pin 8.

[0033] The anti-loosening pin 8 effectively prevents the quick clamp 5 from accidentally loosening due to vibration, external impact, or other factors during tooling use. This ensures that the upper clamping block 1 and lower clamping block 2 maintain a stable and reliable clamping state on the engine, avoiding safety hazards such as engine displacement or detachment that may result from loose clamps. It is especially suitable for scenarios where vibration may occur during the operation or testing of micro turbojet engines. At the same time, this structure is simple and practical. After completing the clamping and locking operation, inserting the anti-loosening pin 8 will achieve the anti-loosening function without adding complicated operation steps. This aligns with the quick clamping design concept of the overall tooling, further enhancing the safety and reliability of tooling use.

[0034] In some alternative implementations, anti-slip pads 9 are fixed to the inner sides of both the upper clamping block 1 and the lower clamping block 2.

[0035] The anti-slip pad 9 increases the friction between the clamping block and the engine surface, effectively preventing the engine from sliding relative to the ground after clamping due to vibration or movement, ensuring clamping stability and avoiding test deviations or safety risks caused by sliding. At the same time, the anti-slip pad 9 acts as a buffer, reducing direct rigid contact between the clamping block and the engine surface, thereby reducing wear or damage to the engine's outer surface, protecting the engine's appearance and structural integrity. Combined with the overall clamping function of the tooling, it further improves the reliability and safety during use.

[0036] In some alternative implementations, adjustment blocks 10 are embedded on the inner sides of both the upper clamping block 1 and the lower clamping block 2, and the two adjustment blocks 10 can extend and retract along the radii of the upper clamping block 1 and the lower clamping block 2.

[0037] By adjusting the telescopic function of the adjustment block 10, it can flexibly adapt to micro turbojet engines of different diameters, breaking the limitation of engine size imposed by traditional fixed-size clamping blocks. This significantly improves the versatility and applicability of the tooling, eliminating the need for separate tooling for different engine models. At the same time, the adjustment block 10 can be precisely adjusted according to the actual contour of the engine to ensure a tight fit with the engine surface, avoiding problems such as loose clamping or uneven force due to size mismatch. This further enhances the stability and reliability of the clamping, and, in conjunction with the overall quick clamping design of the tooling, improves adaptability without affecting operational efficiency.

[0038] In some alternative embodiments, the adjusting block 10 is rotatably connected to a threaded post 11 on the side of the upper clamping block 1 or the lower clamping block 2. The threaded post 11 passes through the upper clamping block 1 or the lower clamping block 2 and is threadedly connected to the upper clamping block 1 or the lower clamping block 2. A rotating handle 12 is fixedly attached to the outer end face of the threaded post 11.

[0039] By rotating the handle 12, the threaded column 11 can be rotated. The threaded transmission allows for precise control of the extension and retraction of the adjusting block 10 along the radius of the clamping block, enabling fine-tuning of the position of the adjusting block 10. This ensures that the adjusting block 10 can fit tightly against engine surfaces of different sizes or slightly different shapes, improving clamping accuracy and stability. At the same time, the threaded connection has self-locking properties, which keeps the position of the adjusting block 10 stable after adjustment, preventing displacement due to vibration or other factors during clamping or testing, and ensuring the reliability of the clamping state. In addition, the rotating handle 12 makes the adjustment operation more convenient and labor-saving, without the need for additional tools, which is in line with the overall quick clamping concept of the tooling, enhancing versatility without increasing operational complexity.

[0040] In some alternative embodiments, guide posts 13 are fixedly connected to both sides of the adjusting block 10 near the upper clamping block 1 or the lower clamping block 2, and the two guide posts 13 pass through the upper clamping block 1 or the lower clamping block 2 and are slidably connected to the upper clamping block 1 or the lower clamping block 2.

[0041] The guide post 13 provides stable guidance for the telescopic movement of the adjusting block 10, preventing the adjusting block 10 from shifting or rotating when it moves radially under the drive of the threaded post 11. This ensures that the adjusting block 10 always moves precisely along the preset trajectory, thereby guaranteeing its accurate contact with the engine surface. At the same time, the symmetrically arranged guide posts 13 on both sides can balance the force on the adjusting block 10, preventing deformation or jamming due to unilateral force. This improves the smoothness of the adjustment process and the durability of the structure. Combined with the driving action of the threaded post 11, it further enhances the stability and reliability of the telescopic movement of the adjusting block 10, meeting the overall design requirements of high efficiency and precision for the tooling.

[0042] Any aspects of this utility model that are not detailed herein are conventional technical means known to those skilled in the art.

[0043] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0044] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A quick-clamping fixture for a micro turbojet engine, characterized in that, include: The upper clamping block (1) and the lower clamping block (2) are both semi-circular arcs and match each other; the lower clamping block (2) extends horizontally outward from both ends to form a lower extension plate (3); one end of the upper clamping block (1) is hinged to the lower extension plate (3), and the other end extends outward to form an upper extension plate (4); a quick clamp (5) is provided on the side of the upper extension plate (4), and the quick clamp (5) is fixed to the lower extension plate (3) corresponding to the upper extension plate (4), thereby clamping and fastening the upper extension plate (4) to the lower extension plate (3).

2. The quick-clamping fixture for a micro turbojet engine according to claim 1, characterized in that: An adjusting bolt (6) is threadedly connected to the upper extension plate (4) corresponding to the clamping position of the quick clamp (5); In the clamping state, the top of the adjusting bolt (6) abuts against the end of the quick clamp (5), and the bottom of the adjusting bolt (6) passes through the upper extension plate (4) and abuts against the lower extension plate (3).

3. The quick-clamping fixture for a micro turbojet engine according to claim 1, characterized in that: Fixing holes (7) are symmetrically provided on the two lower extension plates (3).

4. The quick-clamping fixture for a micro turbojet engine according to claim 1, characterized in that: The quick clamp (5) is equipped with an anti-loosening pin (8).

5. The quick-clamping fixture for a micro turbojet engine according to claim 1, characterized in that: Anti-slip pads (9) are fixed to the inner sides of both the upper clamping block (1) and the lower clamping block (2).

6. The quick-clamping fixture for a micro turbojet engine according to claim 1, characterized in that: Adjustment blocks (10) are embedded in the inner sides of both the upper clamping block (1) and the lower clamping block (2), and the two adjustment blocks (10) can extend and retract along the radius of the upper clamping block (1) and the lower clamping block (2).

7. The quick-clamping fixture for a micro turbojet engine according to claim 6, characterized in that: The adjusting block (10) has a threaded post (11) rotatably connected to the center of the side of the upper clamping block (1) or the lower clamping block (2). The threaded post (11) passes through the upper clamping block (1) or the lower clamping block (2) and is threadedly connected to the upper clamping block (1) or the lower clamping block (2). A rotating handle (12) is fixedly attached to the outer end face of the threaded post (11).

8. The quick-clamping fixture for a micro turbojet engine according to claim 7, characterized in that: The adjusting block (10) has guide posts (13) fixedly connected to both sides of the side of the upper clamping block (1) or the lower clamping block (2). The two guide posts (13) pass through the upper clamping block (1) or the lower clamping block (2) and are slidably connected to the upper clamping block (1) or the lower clamping block (2).

Images