CN113998141A - Airplane measurement target assembly and airplane butt joint measurement system - Google Patents
Airplane measurement target assembly and airplane butt joint measurement system Download PDFInfo
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- CN113998141A CN113998141A CN202111270778.0A CN202111270778A CN113998141A CN 113998141 A CN113998141 A CN 113998141A CN 202111270778 A CN202111270778 A CN 202111270778A CN 113998141 A CN113998141 A CN 113998141A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- Aviation & Aerospace Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of airplane butt joint measurement, in particular to an airplane measurement target assembly and an airplane butt joint measurement system, wherein the airplane measurement target assembly can be adjusted and installed by perforating on the ground so as to meet different installation environments and measurement requirements; when the device is not used, the protective cover can be covered on the target seat, so that the effects of preventing dust and filling the ground are achieved, and the target seat does not need to be moved.
Description
Technical Field
The invention relates to the technical field of airplane butt joint measurement, in particular to an airplane measurement target assembly and an airplane butt joint measurement system.
Background
At present, when the aircraft is subjected to butt joint measurement at home and abroad, the butt joint measurement is generally finished by adopting a level gauge, the measurement precision is extremely poor, and the measurement efficiency is extremely low. Therefore, the existing laser tracker is used for measurement by combining with the target balls, but the target balls are arranged along the appearance of the airplane, so that the sight of the target balls is easily shielded, the measurement is inaccurate or impossible, and the performance is extremely unstable; and the target seats of the target balls are generally directly placed on the ground of a factory building, the target balls are placed on the target seats, the target seats are required to be reset and arranged during measurement every time, the labor intensity of testers is greatly increased by repeatedly moving and adjusting, the measurement precision is unstable, the test efficiency is very low, the target balls and the target seats are easy to touch, the precision of a ground mark point is influenced, the repair work is increased, the passing of workers and equipment on a road surface is also influenced, the workers are forced to touch and trip, the workers are easy to fall, and potential safety hazards exist.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the aircraft measurement target assembly which has the advantages of no need of adjustment during installation, good light receiving effect during measurement and high measurement efficiency.
In order to solve the problems, the technical scheme adopted by the invention is as follows: an aircraft measurement target assembly comprising: the target seat is arranged below the ground and provided with a cavity for placing a measuring ball, and a magnet is arranged at the bottom of the cavity; the protective cover can be covered on the upper end surface of the target seat; the target seat is also provided with a plurality of spherical crown supporting surfaces, and the plurality of spherical crown supporting surfaces and the target seat are integrally formed.
Furthermore, a plurality of the spherical crown supporting surfaces are arranged concentrically, and the plurality of the spherical crown supporting surfaces are distributed at intervals along the circumferential direction of the axis line of the target seat.
Furthermore, a processing avoiding area is formed between every two adjacent spherical crown supporting surfaces.
Further, the surface of the spherical cap supporting surface is smoothly arranged.
Furthermore, the outer wall of the target seat is provided with a plurality of slots.
Furthermore, at least one auxiliary leveling hole is further formed in the target seat.
Furthermore, a handle which is convenient for a human hand to take is arranged on the protective cover.
Furthermore, the protective cover is covered on the target seat and the height of the protective cover does not exceed the horizontal height of the ground.
The invention also provides an aircraft docking measurement system which comprises a plurality of aircraft measurement target assemblies according to the embodiments, wherein the target seat is fixed on the ground through glue filling, and the upper end surface of the target seat does not exceed the ground.
Furthermore, a plurality of the aircraft measurement target assemblies are arranged in a structure like a Chinese character 'hui', and the distance between every two adjacent aircraft measurement target assemblies is 2-3 meters.
Compared with the prior art, the invention has the beneficial effects that: the airplane measuring target component can be adjusted and installed by perforating on the ground so as to meet different installation environments and measuring requirements, is flexible and convenient to use and simple to operate, and comprises a target seat, wherein the target seat is provided with a cavity for placing a measuring ball, the target seat is also provided with a plurality of spherical crown supporting surfaces, the measuring ball is placed on the plurality of spherical crown supporting surfaces, and the measuring ball is adsorbed by a magnet so that the measuring ball can be fixed in the target seat during measurement so as to meet different installation environments and measuring requirements; when the device is not used, the protective cover can be covered on the target seat, so that the effects of preventing dust and filling the ground are achieved, and the target seat does not need to be moved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic assembly view of an aircraft measurement target assembly according to an embodiment of the invention;
fig. 2 is a schematic structural diagram of an aircraft docking measurement system according to an embodiment of the present invention.
The reference numbers illustrate: a target assembly 100; a target holder 101; a protective cover 102; a spherical cap support surface 103; machining the avoidance zone 104; a slot 105; an auxiliary leveling hole 106; a handle 107; a central through hole 108; a magnet 109.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, an aircraft measurement target assembly, which includes a target seat 101 and a protective cover 102, the target seat 101 is cylindrical, and one end of the target seat has a cavity for placing a measurement ball, the bottom of the cavity is provided with a magnet 109, the magnet 109 is used for magnetically attracting and fixing the measurement ball, the target seat 101 is further provided with a plurality of spherical cap supporting surfaces 103, specifically, the plurality of spherical cap supporting surfaces 103 are integrally formed in the cavity of the target seat 101, the circumferential surface of the target seat 101 is adopted to protect the spherical cap supporting surfaces 103, the influence of collision of the spherical cap supporting surfaces 103 on the position accuracy of the measurement ball in the target seat 101 is avoided, the measurement ball is placed on the plurality of spherical cap supporting surfaces 103, the spherical cap supporting surfaces 103 play a limiting and centering role on the measurement ball, the measurement accuracy is improved, the structure is simple, the target seat 101 is easy to produce and process, and is favorable for popularization and application.
In some implementations, the plurality of spherical cap supporting surfaces 103 are concentrically arranged, and the plurality of spherical cap supporting surfaces 103 are circumferentially distributed at intervals along the axial line of the target base 101, so that each spherical cap supporting surface 103 is guaranteed to play a supporting and limiting role, the measuring accuracy is improved, and further, a processing avoiding area 104 is formed between every two adjacent spherical cap supporting surfaces 103.
In some embodiments, the surface of the spherical cap support surface 103 is smooth, further improving the positional accuracy of the measurement ball.
In some embodiments, the outer wall of the target base 101 is provided with a plurality of slots 105, when the aircraft measurement target assembly is installed, an installation hole is firstly formed on the ground, after glue is poured into the installation hole, the target base 101 is placed into the installation hole, so that the target base 101 is ensured to be stably installed on the ground, that is, the combination area of the surface of the target base 101 and the fixing glue is increased, and the stabilizing effect between the target base 101 and the ground is improved.
In some embodiments, at least one auxiliary leveling hole 106 is further disposed on the target holder 101, and the auxiliary leveling hole 106 can facilitate machining of the target holder 101 and can be used as a subsequent maintenance reference to facilitate operations such as debugging.
In some embodiments, the target holder 101 is further provided with a central through hole 108, which is aimed at avoiding air lock from affecting the degree of installation of the target holder 101 on the ground.
In some embodiments, the protective cover 102 is further provided with a handle 107 convenient for a human hand to take, specifically, the handle 107 may be fixed on the protective cover 102 by welding, and the protective cover 102 and the target base 101 are in clearance fit, when not in use, the measuring ball is taken out of the target base 101, and then the protective cover 102 is covered, so that the effects of effectively preventing dust and filling the ground are achieved; furthermore, the protective cover 102 is arranged on the target seat 101 in a covering mode and is not higher than the horizontal height of the ground, and the preferred protective cover 102 is level with the ground, so that the leveling effect is well achieved, and the problems that workers and equipment on a road surface collide with the target seat 101 when passing through the road and are damaged are solved.
Referring to fig. 2, an aircraft docking measurement system includes a plurality of aircraft measurement target assemblies 100 according to the above embodiments, wherein a target base 101 is fixed on the ground through glue filling, and the upper end surface of the target base 101 does not exceed the ground, when in use, a measurement ball is placed in the target base 101, the measurement ball is magnetically attracted and fixed by a magnet 109 in the target base 101, and if a crowned supporting surface 103 plays roles of limiting and centering, the position accuracy of the measurement ball in the target base 101 is ensured, so that the measurement accuracy is improved; further, this a plurality of aircraft measurement target subassembly 100 uses aircraft butt joint installation type frame symmetric line to be "returning" word structure and evenly arranges as the center, interval between two adjacent target seats 101 is 2 to 3 meters, this a plurality of target seat 101 inlays and locates in the ground, when using, in placing the ball in target seat 101, spacing and centering effect through a plurality of spherical crown holding surface 103, magnet 109 magnetism is inhaled fixed and is measured the ball and is ensured the position accuracy of measuring the ball, effectively improve the measurement accuracy of laser tracker to measuring ball central coordinate, and have easy operation convenient advantage, it is big that the co-workers measure the landmark cover surface, solved traditional target seat 101 and arranged along the aircraft appearance and caused the problem that landmark point sight sheltered from easily, laser tracker is high to the measurement stability and the reliability of measuring the ball.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. An aircraft measurement target assembly, comprising:
the target seat (101) is installed below the ground, and is provided with a cavity for placing a measuring ball, and a magnet (109) is arranged at the bottom of the cavity;
the protective cover (102), the said protective cover (102) can be covered and set up in the upper end of the target seat (101);
the target seat (101) is further provided with a plurality of spherical crown supporting surfaces (103), and the spherical crown supporting surfaces (103) and the target seat (101) are integrally formed.
2. An aircraft measurement target assembly according to claim 1, wherein a plurality of the spherical cap bearing surfaces (103) are concentrically arranged and a plurality of the spherical cap bearing surfaces (103) are circumferentially spaced along the axis of the target holder (101).
3. An aircraft measurement target assembly according to claim 1 or 2, wherein a machining avoidance zone (104) is formed between two adjacent spherical cap support surfaces (103).
4. An aircraft measurement target assembly according to claim 1, characterized in that the surface of the spherical cap support surface (103) is smooth.
5. An aircraft measurement target assembly according to claim 1, wherein the outer wall of the target holder (101) is provided with a plurality of slots (105).
6. An aircraft measurement target assembly according to claim 1, wherein the target holder (101) is further provided with at least one auxiliary leveling hole (106).
7. An aircraft measurement target assembly according to claim 1, wherein the protective cover (102) is further provided with a handle (107) for easy access by a human hand.
8. An aircraft measurement target assembly according to claim 1, wherein the protective cover (102) is arranged on the target holder (101) at a height not exceeding the level of the ground.
9. An aircraft docking measurement system comprising a plurality of aircraft measurement target assemblies (100) according to any one of claims 1 to 8, wherein the target holder (101) is fixed on the ground by glue pouring, and the upper end surface of the target holder (101) does not extend beyond the ground.
10. The aircraft docking measurement system of claim 9, wherein a plurality of the aircraft measurement target assemblies (100) are arranged in a "return" structure, and a distance between two adjacent aircraft measurement target assemblies (100) is 2 to 3 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111270778.0A CN113998141A (en) | 2021-10-29 | 2021-10-29 | Airplane measurement target assembly and airplane butt joint measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111270778.0A CN113998141A (en) | 2021-10-29 | 2021-10-29 | Airplane measurement target assembly and airplane butt joint measurement system |
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| Publication Number | Publication Date |
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| CN113998141A true CN113998141A (en) | 2022-02-01 |
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| CN202111270778.0A Pending CN113998141A (en) | 2021-10-29 | 2021-10-29 | Airplane measurement target assembly and airplane butt joint measurement system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011012981B3 (en) * | 2011-03-03 | 2012-02-16 | Bundesrepublik Deutschland, vertreten durch das Bundesministerium für Wirtschaft und Technologie, dieses vertreten durch den Präsidenten der Physikalisch-Technischen Bundesanstalt | Standard hybrid spherical cap for calibration of coordinate measuring machine, has recess whose edge extends from slope of acute angle to planar measuring surface such that calotte is provided in contact points at another edge |
| CN105157685A (en) * | 2015-08-12 | 2015-12-16 | 中航通飞华南飞机工业有限公司 | Measurement target base and full-aircraft landmark measurement system |
| US20170115113A1 (en) * | 2015-10-26 | 2017-04-27 | Joseph A. Gleason | Scanning Laser Target Sphere with Internal Concentric Mount |
| CN110645893A (en) * | 2019-09-20 | 2020-01-03 | 苏州捷慧智能测量科技有限公司 | Target ball of laser tracker |
| CN210833441U (en) * | 2019-11-22 | 2020-06-23 | 上海鼎艺冶金科技有限公司 | Target ball seat for fixing calibration system |
| CN211108064U (en) * | 2019-11-07 | 2020-07-28 | 上海上飞飞机装备制造有限公司 | Target seat special for airplane attitude adjusting measurement control point |
| CN212409615U (en) * | 2020-05-28 | 2021-01-26 | 中国商用飞机有限责任公司 | Fixing device of laser tracker target ball |
| CN112923851A (en) * | 2021-01-28 | 2021-06-08 | 中国科学院近代物理研究所 | Control net buried waterproof target seat for particle accelerator collimation and use method |
-
2021
- 2021-10-29 CN CN202111270778.0A patent/CN113998141A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102011012981B3 (en) * | 2011-03-03 | 2012-02-16 | Bundesrepublik Deutschland, vertreten durch das Bundesministerium für Wirtschaft und Technologie, dieses vertreten durch den Präsidenten der Physikalisch-Technischen Bundesanstalt | Standard hybrid spherical cap for calibration of coordinate measuring machine, has recess whose edge extends from slope of acute angle to planar measuring surface such that calotte is provided in contact points at another edge |
| CN105157685A (en) * | 2015-08-12 | 2015-12-16 | 中航通飞华南飞机工业有限公司 | Measurement target base and full-aircraft landmark measurement system |
| US20170115113A1 (en) * | 2015-10-26 | 2017-04-27 | Joseph A. Gleason | Scanning Laser Target Sphere with Internal Concentric Mount |
| CN110645893A (en) * | 2019-09-20 | 2020-01-03 | 苏州捷慧智能测量科技有限公司 | Target ball of laser tracker |
| CN211108064U (en) * | 2019-11-07 | 2020-07-28 | 上海上飞飞机装备制造有限公司 | Target seat special for airplane attitude adjusting measurement control point |
| CN210833441U (en) * | 2019-11-22 | 2020-06-23 | 上海鼎艺冶金科技有限公司 | Target ball seat for fixing calibration system |
| CN212409615U (en) * | 2020-05-28 | 2021-01-26 | 中国商用飞机有限责任公司 | Fixing device of laser tracker target ball |
| CN112923851A (en) * | 2021-01-28 | 2021-06-08 | 中国科学院近代物理研究所 | Control net buried waterproof target seat for particle accelerator collimation and use method |
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