Airplane control surface order difference measuring tool

Abstract

The utility model discloses an aircraft control surface order difference measuring tool which comprises a ruler body, a display module, a measuring probe and a quick-release reference plug. The bottom of the ruler body is of a quick-release square socket structure, a square through groove is formed in the middle of the display module, the ruler body penetrates through the square through groove to be in sliding connection with the display module, the display module is used for displaying measurement results, a cross beam is arranged on the side edge of the display module, the top of the measurement probe is connected to the cross beam, and the bottom of the measurement probe is of a needle-shaped structure. The quick-release reference plug is connected with a quick-release square socket structure at the bottom of the ruler body; and a straight plate, a concave plate or a convex plate is arranged at the bottom of the quick-release reference plug. According to the control surface order difference measuring tool, the special reference plug can be selected according to the structural form of the control surface, rapid and accurate switching is realized, the fitting measurement of different measuring reference surfaces is realized, and the accuracy of the measurement of the control surface order difference is improved.

Description

Technical Field

[0001] The utility model belongs to the field of aircraft manufacturing and relates to an aircraft control surface step difference measuring tool. Background Art

[0002] Before installing the rudder actuator on the aircraft, the rudder needs to be adjusted to the neutral position. During the adjustment process, it is necessary to measure the convexity and concavity limit deviation of the movable surface relative to the stabilizer shape, the scissors difference limit deviation, the movable surface trailing edge misalignment limit deviation and the conformity step difference of the movable surface end shape to the stabilizer shape according to the aerodynamic outer edge technical conditions. Since the surfaces of the movable surface and the stabilizer are mostly curved structures, it is impossible to find an accurate measurement reference surface when using traditional methods (combined measurement of feeler gauge and steel plate ruler), resulting in insufficient measurement accuracy. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art and provide an aircraft rudder surface step difference measurement tool, which can select a special reference plug according to the structural form of the rudder surface, quickly and accurately switch, realize the fitting measurement of different measurement reference surfaces, and improve the accuracy of measuring the rudder surface step difference.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An aircraft control surface step difference measuring tool, comprising a ruler, a display module, a measuring probe and a quick-release reference plug;

[0006] The bottom of the ruler body is a quick-release square socket structure, and the display module has a square slot in the middle. The ruler body passes through the square slot and is slidably connected to the display module. The display module is used to display the measurement results. A crossbeam is set on the side of the display module. The top of the measuring probe is connected to the crossbeam, and the bottom of the measuring probe is a needle-shaped structure.

[0007] The quick-release reference plug is connected to the quick-release square socket structure at the bottom of the ruler body, and a straight plate, a concave plate or a convex plate is arranged at the bottom of the quick-release reference plug.

[0008] Preferably, a fixed grid is arranged inside the ruler body, and a moving grid is arranged inside the display module.

[0009] Preferably, a digital display screen is provided on the display module.

[0010] Preferably, the quick-release square socket structure at the bottom of the ruler body is provided with a round hole, and a spring pin is provided inside the square groove of the quick-release reference plug. After the quick-release reference plug is inserted into the quick-release square socket at the bottom of the ruler body, the spring pin is inserted into the round hole.

[0011] Preferably, a socket-shaped piece matching with the crossbeam is arranged on the top of the measuring probe, and the top of the measuring probe is inserted into the crossbeam and is slidably connected with the crossbeam.

[0012] Preferably, a fastening screw is provided on the side of the display module, and the fastening screw contacts the ruler body after being tightened.

[0013] Preferably, the ruler body is a straight rigid structural member.

[0014] Preferably, the display module is a rigid structural member.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The rudder surface step difference measuring tool of the utility model can select a special reference plug according to the structural form of the rudder surface, quickly and accurately switch, realize the fitting measurement of different measurement reference surfaces, and improve the accuracy of measuring the rudder surface step difference.

[0017] Furthermore, the rudder surface step difference measurement tool includes a digital display and a grating structure inside, and the measurement reading can be accurately reflected on the display screen when the measurement module moves.

[0018] Furthermore, the probe of the rudder surface step difference measurement tool can move freely on the crossbeam, making it more convenient to find the measurement point. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a schematic diagram of the structure of the rudder surface step difference measurement tool.

[0020] Including: 1. Ruler body; 2. Display module; 3. Measuring probe; 4. Fastening screws; 5. Straight-type quick-release reference plug; 6. Concave quick-release reference plug; 7. Convex quick-release reference plug. 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] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0024] like Figure 1 As shown in the figure, the rudder surface step difference measuring tool of the utility model comprises a ruler body 1, a display module 2, a measuring probe 3, a fastening screw 4 and a quick-release reference plug.

[0025] The ruler body 1 is a rigid straight plate structure, which contains a fixed grid inside and a quick-release square socket structure at the other end. The display module 2 is a concave structure, which contains a moving grid inside and a digital display screen on the surface. There is a protruding beam on the side of the display module 2. The measuring probe 3 is a needle-shaped structure, and a socket-shaped part that cooperates with the beam is provided at the upper end. The quick-release reference plug is a square structure, and the bottom of the quick-release plug contains a variety of different structural styles. The square structure contains a compressible spring pin.

[0026] The ruler body 1 is a straight rigid structural member, the bottom of the ruler body 1 is a quick-release square socket structure, the socket structure is provided with a round hole, and the ruler body 1 contains a fixed grid inside.

[0027] The display module 2 is a rigid structural member with a square through slot in the middle. The ruler body 1 passes through the square through slot and is slidably connected to the display module 2. There is a fastening screw 4 on the side of the display module 2 and a protruding rigid crossbeam on the other side. After the fastening screw 4 is tightened, it contacts the ruler body 1 to relatively fix the ruler body 1 and the display module 2. The surface of the display module 2 is a digital display screen, and the display module 2 contains a dynamic grid.

[0028] The bottom of the measuring probe 3 is a needle-shaped structure, and the top is provided with a socket-shaped piece that matches the crossbeam. The top of the measuring probe 3 is inserted into the crossbeam and is slidably connected with the crossbeam.

[0029] The quick-release reference plug is a square structure with an internal square groove. The quick-release reference plug includes three structures: a straight plate type quick-release reference plug 5, a concave quick-release reference plug 6, and a convex quick-release reference plug 7. The three structures are distinguished by having a straight plate, a concave plate, and a convex plate structure at the bottom.

[0030] A spring pin is arranged inside the square groove of the quick-release reference plug. After the quick-release reference plug is inserted into the quick-release square socket at the bottom of the ruler body 1, the spring pin is inserted into the round hole to form a detachable fixed structure. When it is necessary to replace the quick-release reference plug of other structures, the quick-release reference plug is pulled out forcefully and the quick-release reference plug of other structures is reinserted.

[0031] During implementation, a quick-release reference plug of appropriate structure is selected according to the structural form of the rudder surface, and the quick-release reference plug is inserted into the square interface at the lower end of the ruler body 2, and the quick-release reference plug is pressed against the part to be measured, and the measuring probe 3 is moved left and right to select a qualified measuring point, and then the display module 2 is moved up and down, and the measuring probe 3 is brought into contact with the measuring part, and the fixing screw 4 is tightened, and the measured value is read through the display screen on the display module 2.

[0032] 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.

[0033] It should be understood that the above description is for illustration and not for limitation. Many embodiments and many applications beyond the examples provided will be apparent to those skilled in the art upon reading the above description. Therefore, the scope of the present teachings should not be determined with reference to the above description, but rather with reference to the foregoing claims and the full scope of equivalents to which such claims are entitled. For the purpose of comprehensiveness, all articles and references, including disclosures of patent applications and publications, are incorporated herein by reference. The omission of any aspect of the subject matter disclosed herein in the foregoing claims is not intended to be a waiver of the subject matter, nor should it be considered that the applicant has not considered the subject matter as part of the disclosed utility model subject matter.

Claims

1. An aircraft control surface step difference measurement tool, characterized in that: It comprises a ruler body (1), a display module (2), a measuring probe (3) and a quick-release reference plug; The bottom of the ruler body (1) is a quick-release square socket structure, the display module (2) is provided with a square through slot in the middle, the ruler body (1) passes through the square through slot and is slidably connected to the display module (2), the display module (2) is used to display the measurement result, a crossbeam is arranged on the side of the display module (2), the top of the measuring probe (3) is connected to the crossbeam, and the bottom of the measuring probe (3) is a needle-shaped structure; The quick-release reference plug is connected to the quick-release square socket structure at the bottom of the ruler body (1), and a straight plate, a concave plate or a convex plate is arranged at the bottom of the quick-release reference plug.

2. The aircraft control surface step difference measuring tool according to claim 1, characterized in that: A fixed grid is arranged inside the ruler body (1), and a moving grid is arranged inside the display module (2).

3. The aircraft control surface step difference measuring tool according to claim 1, characterized in that: The display module (2) is provided with a digital display screen.

4. The aircraft control surface step difference measuring tool according to claim 1, characterized in that: The quick-release square socket structure at the bottom of the ruler body (1) is provided with a round hole, and a spring pin is provided inside the square groove of the quick-release reference plug. After the quick-release reference plug is inserted into the quick-release square socket at the bottom of the ruler body (1), the spring pin is inserted into the round hole.

5. The aircraft control surface step difference measuring tool according to claim 1, characterized in that: The top of the measuring probe (3) is provided with a socket-shaped part which matches with the crossbeam; the top of the measuring probe (3) is inserted into the crossbeam and is slidably connected with the crossbeam.

6. The aircraft control surface step difference measuring tool according to claim 1, characterized in that: A fastening screw (4) is arranged on the side of the display module (2), and the fastening screw (4) contacts the ruler body (1) after being tightened.

7. The aircraft control surface step difference measuring tool according to claim 1, characterized in that: The ruler body (1) is a straight plate rigid structural member.

8. The aircraft control surface step difference measuring tool according to claim 1, characterized in that: The display module (2) is a rigid structural component.

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