A test bracket for aircraft engine fuel regulator
By designing a test bracket for the fuel regulator of the aircraft engine containing multiple structures, the limitations of the traditional test bracket when fixing the fuel regulator of the complex shape are solved, and flexible fixation and simplification of the test process for complex shapes are achieved.
Patent Information
- Application Number
- CN202421607356.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-09
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-09
AI Technical Summary
The complex shape of the fuel regulator makes the traditional test brackets have limitations when fixed, and requires multiple fixtures, resulting in cumbersome tests.
An aircraft engine fuel regulator test bracket is designed, adopting a variety of structures such as a vertical plate, a pressure plate, a fixed shaft, a knob, a concave block, a bidirectional screw, etc. Through the combination of these structures, flexible clamping and fixing of the complex shape of the fuel regulator is achieved.
It realizes flexible fixing of the complex shape of the fuel regulator, reduces the types of fixtures, simplifies the test process, and is convenient to use.
Smart Images
Figure CN222733841U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of brackets, in particular to a test bracket for a fuel regulator of an aircraft engine. Background Art
[0002] With the rapid development of the aviation industry, the performance and safety requirements of aircraft engines are increasing day by day. As an important part of the engine fuel system, the performance of the fuel regulator directly affects the engine's fuel consumption, power output and emission levels. Therefore, it is very important to accurately test and calibrate the fuel regulator.
[0003] The existing fuel regulator test bracket has certain limitations when fixing the fuel regulator, which is only clamped on both sides. Since the shape of the fuel regulator is often not a simple column or block, but a complex structure containing multiple curved surfaces, protrusions and depressions, different fixtures need to be replaced for the convenience of testing, which brings certain inconveniences to the test. Utility Model Content
[0004] 1. Technical Problems Solved
[0005] The technical problem to be solved by the utility model is that the appearance of the fuel regulator includes a complex structure of multiple curved surfaces, protrusions and depressions. The traditional test bracket has certain limitations when fixing the fuel regulator. In order to facilitate the test, a variety of clamps are required, which is relatively cumbersome.
[0006] 2. Technical Solution
[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: an aircraft engine fuel regulator test bracket, comprising a mounting plate, the four corners of the mounting plate are provided with mounting holes, a base plate is placed on the mounting plate, both sides of the base plate are provided with fixing plates, both sides of the mounting plate are provided with fixing structures that cooperate with the fixing plate and are convenient for disassembly and assembly, a support block is provided at the top of the base plate, the top of the support block is provided with a concave block, a rotatably connected bidirectional screw is provided in the concave block, both ends of the bidirectional screw are provided with threaded moving blocks, the bottom end of the moving block is provided with a limiting structure, the top of the moving block is provided with a clamping block, and one side of the clamping block is provided with a right-angle opening groove that cooperates with each other.
[0008] As an improvement, the fixing structure includes at least one vertical plate arranged on both sides of the top of the mounting plate, a rotatably connected pressure plate is provided between the vertical plates on one side, fixed shafts are provided on both sides of the top of the mounting plate, a rotatably connected knob is provided at the top of the fixed shaft, and a through hole is provided on the pressure plate for cooperating with the knob.
[0009] As an improvement, a handle is provided at one end of the bidirectional screw extending outside the concave block.
[0010] As an improvement, the limiting structure includes a sliding block arranged at the bottom end of the moving block, and the concave block is provided with a sliding groove used in conjunction with the sliding block.
[0011] As an improvement, both ends of the bidirectional screw are rotatably connected via bearings and concave blocks.
[0012] 3. Beneficial Effects
[0013] The advantages of the utility model compared with the prior art are:
[0014] 1. Through the vertical plate, pressure plate, fixed shaft, through hole and knob, not only can the support block and the fixed plate be clamped, but also the support block can be easily removed and the two sides of the fuel regulator can be pressed to facilitate the test.
[0015] 2. Through the concave block, bidirectional screw, handle, moving block, slider, slide, clamp and right-angle opening groove, the curved surface or protrusion on the fuel regulator can be directly clamped. There are various fixing methods, which can be flexibly adjusted according to different test needs, convenient for testing and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 The utility model is a three-dimensional schematic diagram of a test bracket for a fuel regulator of an aircraft engine.
[0017] Figure 2 This is a three-dimensional schematic diagram of a test bracket for an aircraft engine fuel regulator according to the utility model. Figure 2 .
[0018] Figure 3 The utility model is a kind of aircraft engine fuel regulator test bracket Figure 1 A magnified detail of part A.
[0019] Figure 4 The utility model is a kind of aircraft engine fuel regulator test bracket Figure 1 A magnified detail of part B.
[0020] As shown in the figure: 1. Mounting plate; 2. Mounting hole; 3. Bottom plate; 4. Fixed plate; 5. Support block; 6. Vertical plate; 7. Pressure plate; 8. Fixed shaft; 9. Through hole; 10. Knob; 11. Concave block; 12. Bidirectional screw; 13. Turning handle; 14. Moving block; 15. Slider; 16. Slide groove; 17. Clamp block; 18. Right-angle opening groove. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0022] Embodiment 1
[0023] Combined with Figure 1 A test bracket for an aircraft engine fuel regulator comprises a mounting plate 1, wherein the four corners of the mounting plate 1 are provided with mounting holes 2, a bottom plate 3 is placed on the mounting plate 1, and fixing plates 4 are provided on both sides of the bottom plate 3, and fixing structures are provided on both sides of the mounting plate 1 for use with the fixing plate 4 and for easy disassembly and assembly.
[0024] Through the above structure, the test bracket can be directly fixed on any operating table using the mounting plate 1 and the mounting hole 2, which is convenient to use, and both sides of the fixing plate 4 can be fixed and disassembled, and the use method is flexible.
[0025] Combined with Figure 2 and attached Figure 4 The fixing structure includes at least one vertical plate 6 arranged on both sides of the top of the mounting plate 1, and a rotatably connected pressure plate 7 is provided between the vertical plates 6 on one side, and a fixed shaft 8 is provided on both sides of the top of the mounting plate 1, and a rotatably connected knob 10 is provided on the top of the fixed shaft 8, and a through hole 9 is provided on the pressure plate 7 for matching with the knob 10.
[0026] Through the above structure, first screw the knob 10 until it is parallel to the through hole 9, rotate the pressure plate 7 so that the fixed shaft 8 and the knob 10 pass through the through hole 9, and one side of the pressure plate 7 is close to the fixed plate 4, then rotate the knob 10 so that the knob 10 and the through hole 9 are perpendicular, and use the pressure plate 7 to directly fix the fixed plates 4 on both sides, which is convenient for disassembly and assembly and flexible to use.
[0027] Embodiment 2
[0028] Combined with Figure 1 and attached Figure 3 A support block 5 is provided at the top of the bottom plate 3, a concave block 11 is provided at the top of the support block 5, a bidirectional screw 12 is provided in the concave block 11, a threaded moving block 14 is provided at both ends of the bidirectional screw 12, a limiting structure is provided at the bottom end of the moving block 14, a clamping block 17 is provided at the top of the moving block 14, and a right-angle opening groove 18 that cooperates with each other is provided on one side of the clamping block 17.
[0029] By means of the above structure, the bidirectional screw 12 is rotated, and the moving blocks 14 at both ends of the bidirectional screw 12 move laterally under the action of the limiting structure, and the clamping block 17 and the right-angle opening groove 18 can be used to directly clamp the curved surface or protrusion on the fuel regulator.
[0030] Combined with Figure 3 The limiting structure includes a slider 15 arranged at the bottom end of the moving block 14, and a slide groove 16 used in conjunction with the slider 15 is provided on the concave block 11.
[0031] Through the above structure, the moving block 14 can be guided and limited by using the slider 15 and the slide groove 16, so that the moving block 14 can move smoothly in the horizontal direction.
[0032] Combined with Figure 1 The bidirectional screw 12 is extended to one end outside the concave block 11 and is provided with a turning handle 13 , and both ends of the bidirectional screw 12 are rotatably connected to the concave block 11 through bearings.
[0033] Through the above structure, the bidirectional screw 12 can be driven to rotate continuously by the turning handle 13, which is convenient for adjusting, clamping and fixing. In addition, both ends of the bidirectional screw 12 are rotatably connected through bearings and concave blocks 11, and the structure is simple and easy to implement.
[0034] When the utility model is implemented:
[0035] The test bracket can be directly fixed on any operating table by using the mounting plate 1 and the mounting hole 2. The fuel regulator is placed on the mounting plate 1. The knob 10 is first screwed to be parallel to the through hole 9. The pressing plate 7 is rotated so that the fixed shaft 8 and the knob 10 pass through the through hole 9, and one side of the pressing plate 7 is close to one side of the fuel regulator. Then, the knob 10 is rotated so that the knob 10 and the through hole 9 are perpendicular. The pressing plate 7 is used to directly press and fix the two sides of the fuel regulator, which is convenient for disassembly and assembly and flexible to use.
[0036] When clamping on both sides is required, the support block 5 is directly placed on the mounting plate 1, and the fixing plate 4 is directly clamped and fixed by the pressing plate 7. The turning handle 13 is turned to drive the bidirectional screw 12 to rotate continuously. The moving blocks 14 located at both ends of the bidirectional screw 12 are limited by the slider 15 and the slide groove 16, and drive the clamping block 17 to move to the middle. The right-angle opening groove 18 can be used to directly clamp the curved surface or protrusion on the fuel regulator.
[0037] The overall usage is flexible and the fixing methods are diverse. Not only can the curved surface or protrusion on the fuel regulator be clamped directly, but also the two sides of the horizontally placed fuel regulator can be pressed, which is convenient for testing.
[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
[0040] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. An aircraft engine fuel regulator test stand, comprising a mounting plate (1), wherein the four corners of the mounting plate (1) are each provided with mounting holes (2), characterized in that: A bottom plate (3) is placed on the mounting plate (1), fixing plates (4) are provided on both sides of the bottom plate (3), and fixing structures are provided on both sides of the mounting plate (1) for use with the fixing plates (4) and for easy assembly and disassembly; A support block (5) is provided at the top of the bottom plate (3), a concave block (11) is provided at the top of the support block (5), a rotatably connected bidirectional screw (12) is provided inside the concave block (11), both ends of the bidirectional screw (12) are provided with threaded moving blocks (14), the bottom end of the moving block (14) is provided with a limiting structure, the top of the moving block (14) is provided with a clamping block (17), and one side of the clamping block (17) is provided with a right-angle opening groove (18) used in conjunction with each other.
2. The aircraft engine fuel regulator test stand according to claim 1, characterized in that: The fixing structure comprises at least one vertical plate (6) arranged on both sides of the top of the mounting plate (1), a rotatably connected pressure plate (7) is provided between the vertical plates (6) on one side, a fixed shaft (8) is provided on both sides of the top of the mounting plate (1), a rotatably connected knob (10) is provided at the top of the fixed shaft (8), and a through hole (9) used to cooperate with the knob (10) is provided on the pressure plate (7).
3. The aircraft engine fuel regulator test stand according to claim 1, characterized in that: One end of the bidirectional screw (12) extending outside the concave block (11) is provided with a turning handle (13).
4. The aircraft engine fuel regulator test stand according to claim 1, characterized in that: The limiting structure comprises a sliding block (15) arranged at the bottom end of the moving block (14), and a sliding groove (16) used in conjunction with the sliding block (15) is provided on the concave block (11).
5. The aircraft engine fuel regulator test stand according to claim 2, characterized in that: Both ends of the bidirectional screw (12) are rotatably connected via bearings and a concave block (11).