Platform for measuring roughness of aircraft intersection hole

Abstract

The utility model belongs to the technical field of aircraft intersection hole roughness measurement, and particularly relates to a platform for aircraft intersection hole roughness measurement, which comprises a measurement platform base (1), a universal magnetic gauge stand (2) and a roughness instrument clamping device (3). Wherein the measuring platform base (1) is connected to an aircraft intersection hole connector, one end of the universal magnetic gauge stand (2) is attracted to the measuring platform base (1) through magnetic force, and the roughness instrument clamping device (3) is connected to the other end of the universal magnetic gauge stand (2). Aiming at a narrow measurement space at an airplane butt joint intersection point hole, a measurement platform for clamping the roughness instrument by utilizing the universal magnetic gauge stand is designed, and meanwhile, the measurement platform is fixed on a process hole at an airplane intersection point joint through a bolt, so that the position of the portable roughness instrument is flexibly adjusted to enable a probe of the portable roughness instrument to be in contact with a hole wall; therefore, the requirement for measuring the roughness of the aircraft intersection hole is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of roughness measurement of aircraft intersection holes, and particularly relates to the roughness measurement requirements of intersection holes in narrow spaces of aircraft. Background Technique

[0002] At present, when large components of an aircraft, such as the wing and the fuselage, the vertical tail and the horizontal tail, and the tail wing and the fuselage, are docked, attitude adjustment is required to meet the aircraft attitude requirements. Therefore, there is a margin between the intersection holes of the large components of the aircraft. After the margin of the aircraft intersection holes is reprocessed, in order to ensure the machining quality and fatigue strength of the aircraft intersection holes, it is necessary to measure the roughness of the holes. Generally speaking, the aircraft intersection holes are located on the production line and the space is relatively narrow, and it is suitable to use a portable roughness meter with a stylus method for detection. Therefore, it is necessary to design a platform for measuring the roughness of aircraft intersection holes to fix the portable roughness meter. Summary of the Invention

[0003] To solve the above problems existing in the prior art, the utility model provides a platform for measuring the roughness of aircraft intersection holes. For the narrow measurement space at the aircraft docking intersection holes, a measurement platform that uses a universal magnetic base to clamp the roughness meter is designed. At the same time, the measurement platform is fixed to the process hole at the aircraft intersection joint through bolts, so as to flexibly adjust the position of the portable roughness meter and make its stylus contact the hole wall to meet the roughness measurement requirements of the aircraft intersection holes. The measurement platform has a simple structure, strong versatility, high repeatability, low cost, and is easy to be popularized and applied in various aircraft manufacturers.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: A platform for measuring the roughness of aircraft intersection holes, including a measurement platform base, a universal magnetic base, and a roughness meter clamping device; wherein, the measurement platform base is connected to the aircraft intersection hole joint, one end of the universal magnetic base is magnetically adsorbed on the base of the measurement platform base, and the roughness meter clamping device is connected to the other end of the universal magnetic base.

[0005] Further, the universal magnetic base includes: a magnetic base and a clamping device;

[0006] The magnetic base is magnetically adsorbed on the base of the measurement platform base, and the upper end of the magnetic base is connected to the clamping device through a flexible connection component; a clamping hole is provided on the clamping device, and the clamping hole is used to fix the roughness meter clamping device.

[0007] Further, the aperture of the clamping hole is also adjusted by a clamping device knob provided on the clamping device.

[0008] Further, the flexible connection assembly includes a ball bearing, a first adjusting rod, and a second adjusting rod; one end of the first adjusting rod and the second adjusting rod are connected by a rotating shaft, the other end of the first adjusting rod is connected to the magnetic base through the ball bearing, and the other end of the second adjusting rod is connected to the clamping device through the ball bearing.

[0009] Further, the universal magnetic base also includes a base magnetic switch knob, which is arranged on the magnetic base. By turning the base magnetic switch knob, the magnetism of the magnetic base can be turned on and off, so as to fix and disassemble the universal magnetic base on the measuring platform base.

[0010] Further, the roughness meter clamping device includes a U-shaped support and a cylindrical rod arranged at the bottom end of the U-shaped support. One end of the U-shaped support is fixed to the portable roughness meter through two locking screws, and the other end of the U-shaped support is fixed to the clamping device of the universal magnetic base through the cylindrical rod.

[0011] Further, the measuring platform base is made of magnetic material.

[0012] The beneficial effects of the present utility model are as follows:

[0013] The platform for measuring the roughness of aircraft intersection holes described in the present utility model, through the above technical solutions, based on the universal magnetic base, can meet the measurement of the roughness of aircraft intersection holes in narrow spaces, has strong versatility, simple and ingenious structure, low production cost, and is easy to be popularized and applied in various aircraft manufacturers. Description of the Drawings

[0014] Figure 1 is a schematic diagram of the platform for measuring the roughness of aircraft intersection holes described in the present utility model;

[0015] Figure 2 is a schematic diagram of the use of the platform for measuring the roughness of aircraft intersection holes described in the present utility model;

[0016] Figure 3 is a schematic diagram of the base of the measuring platform described in the present utility model;

[0017] Figure 4 is a schematic diagram of the universal magnetic base of the measuring platform described in the present utility model;

[0018] Figure 5 is a schematic diagram of the roughness meter clamping device of the measuring platform described in the present utility model;

[0019] Figure 6 is a schematic diagram of the structure of the portable roughness meter described in the present utility model; Detailed Embodiments

[0020] In order to make the purpose, technical solutions and advantages of the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0021] As Figures 1-6 shown:

[0022] The embodiment of the present utility model provides a platform for measuring the roughness of aircraft intersection holes, that is, based on the selected universal magnetic base, a clamping device for adjusting and locking a portable roughness meter and a bottom of the measuring platform for fixing the universal magnetic base are designed to realize flexible adjustment of the position of the roughness meter so that its probe contacts the hole wall to meet the roughness measurement requirements of aircraft intersection holes in narrow spaces.

[0023] A platform for measuring the roughness of aircraft intersection holes according to the present utility model includes a measuring platform base 1, a universal magnetic base 2, and a roughness meter clamping device 3. Among them, the measuring platform base 1 is connected to the aircraft intersection hole joint, the universal magnetic base 2 is magnetically adsorbed on the base of the measuring platform base 1, and the roughness meter clamping device 3 is connected to the universal magnetic base 2.

[0024] The measuring platform base 1 of the present utility model is made of magnetic steel, and 4 bolt holes 5 are designed. The measuring platform base is connected to the aircraft intersection hole joint through fixing bolts 6, or the measuring platform base can also be fixed to the aircraft intersection hole joint or the nearby area through other clamping devices.

[0025] For the universal magnetic base 2 of the present utility model, the magnetism of the magnetic base 7 is turned on and off through the base magnetic switch knob 8 to realize its fixation and disassembly on the measuring platform base. 2 adjusting rods I 10 and adjusting rods II 11 containing ball bearings 9 are selected to realize flexible adjustment of the position of the clamping device 13, thereby realizing flexible adjustment of the portable roughness meter 19. The clamping device 13 adjusts the Φ8mm clamping hole 15 through the clamping device knob 14 for fixing the roughness meter clamping device 3.

[0026] The roughness meter clamping device 3 of the present utility model adopts a clamping device base 16 with a U-shaped structure, and adjusts and fixes the portable roughness meter 19 through 2 clamping screws 17. A Φ8mm connecting rod 18 is designed on the clamping device base 16 and is fixed on the clamping device 13 of the universal magnetic base 2.

[0027] The operation steps of the present utility model are as follows:

[0028] 1. Connect the measuring platform base 1 to the aircraft intersection hole joint through the fixing bolts 6.

[0029] 2. Place the universal magnetic base 2 at a suitable position on the base 1 of the measuring platform. Rotate the base magnetic switch knob 8 of the universal magnetic base 2 to the on position. At this time, the universal magnetic base 2 will be adsorbed on the base 1 of the measuring platform.

[0030] 3. Loosen the clamping device knob 14 of the universal magnetic base 2, and install the roughness meter clamping device 3 on the clamping device of the universal magnetic base 2.

[0031] 4. Install the portable roughness meter 19 on the U-port of the roughness meter clamping device 3, and fix the portable roughness meter 19 by tightening the clamping screw 17.

[0032] 5. Loosen the adjusting rod locking knob 12 of the universal magnetic base 2, adjust the positions of the adjusting rod I 10 and the adjusting rod II 11 of the universal magnetic base 2 so that the portable roughness meter 19 contacts the hole wall, and then tighten the adjusting rod locking knob 12 to complete the flexible adjustment of the position of the portable roughness meter 19.

[0033] Through the platform for measuring the roughness of aircraft intersection holes described in the present utility model, based on the universal magnetic base, it can meet the measurement of the roughness of aircraft intersection holes in narrow spaces, has strong versatility, simple and ingenious structure, low production cost, and is easy to be popularized and applied in various aircraft manufacturers.

[0034] The above specific embodiments or cases are only used to explain and illustrate the technical solutions of the present utility model, and do not limit the present utility model. The parts not described in detail are regarded as conventional technical means in the art; those of ordinary skill in the art should understand that based on the design concept of this application, the technical solutions recorded in the foregoing embodiments should be adaptively modified, or some or all of the technical features should be equivalently replaced. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the various embodiments of the present utility model.

Claims

1. A platform for measuring the roughness of the intersection holes of an aircraft, characterized in that, It includes a measuring platform base (1), a universal magnetic base (2), and a roughness meter clamping device (3); among them, the measuring platform base (1) is connected to the aircraft intersection hole connector, one end of the universal magnetic base (2) is magnetically adsorbed on the base of the measuring platform base (1), and the roughness meter clamping device (3) is connected to the other end of the universal magnetic base (2).

2. The platform for measuring the roughness of the intersection holes of an aircraft according to claim 1, wherein, The universal magnetic base (2) includes: a magnetic base (7), a clamping device (13); The magnetic base (7) is magnetically adsorbed on the base of the measuring platform base (1), and the upper end of the magnetic base (7) is connected to the clamping device (13) through a flexible connection assembly; a clamping hole (15) is provided on the clamping device (13), and the clamping hole (15) is used to fix the roughness meter clamping device (3).

3. A platform for measuring the roughness of aircraft intersection holes as described in claim 2, characterized in that, The aperture of the clamping hole (15) is also adjusted by a clamping device knob (14) provided on the clamping device (13).

4. A platform for measuring the roughness of aircraft intersection holes as described in claim 2, characterized in that, The flexible connection assembly includes a ball bearing (9), a regulating rod I (10), and a regulating rod II (11); one end of the regulating rod I (10) and the regulating rod II (11) is connected by a rotating shaft, the other end of the regulating rod I (10) is connected to the magnetic base (7) through the ball bearing (9), and the other end of the regulating rod II (11) is connected to the clamping device (13) through the ball bearing (9).

5. The platform for measuring the roughness of the intersection holes of an aircraft according to claim 2, characterized in that, The universal magnetic base (2) further includes a base magnetic switch knob (8), the base magnetic switch knob (8) is arranged on the magnetic base (7), and the magnetism of the magnetic base (7) is turned on and off through the base magnetic switch knob (8) to realize the fixation and disassembly of the universal magnetic base (2) on the measuring platform base (1).

6. A platform for measuring the roughness of the intersection holes of an aircraft, as described in claim 1, wherein, The roughness meter clamping device (3) consists of a U-shaped support and a cylindrical rod arranged at the bottom end of the U-shaped support. One end of the U-shaped support is fixed to a portable roughness meter through two locking screws, and the other end of the U-shaped support is fixed to the clamping device (13) of the universal magnetic base through the cylindrical rod.

7. A platform for measuring the roughness of aircraft intersection holes according to claim 1, characterized in that, The measuring platform base (1) is made of magnetic material.

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