CN202361986U - Horizontal laser measuring system for airplanes - Google Patents
Horizontal laser measuring system for airplanes Download PDFInfo
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- CN202361986U CN202361986U CN2011205024381U CN201120502438U CN202361986U CN 202361986 U CN202361986 U CN 202361986U CN 2011205024381 U CN2011205024381 U CN 2011205024381U CN 201120502438 U CN201120502438 U CN 201120502438U CN 202361986 U CN202361986 U CN 202361986U
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Abstract
The utility model discloses a horizontal laser measuring system for airplanes, which is composed of a laser positioning device, horizontal reference coordinate points and horizontal measuring points; and the system is characterized in that at least four horizontal reference coordinate points are arranged around an airplane, one side of the airplane is provided with the laser positioning device, the airplane is provided with a plurality of horizontal measuring points, and the laser positioning device is connected with a computer. In the process of measurement, the numerical value of the measuring point is generated by using a laser tracker according to a laser reflection principle, therefore, the measurement errors caused by artificial operations are reduced, and the numerical measurement is more accurate.
Description
Technical field
The utility model relates to measuring technique, specifically is to utilize laser locating apparatus to carry out the data acquisition of airplane horizontal survey, particularly aircraft horizontal laser light measuring system and method.
Background technology
Existing airplane horizontal survey method is to adopt transit, tape measure, steel ruler and vertical etc.Contact with measurement point with vertical one end, adjust to then vertically and flush with vertical line, read the relative datum numerical value of measurement point with transit with steel ruler or tape measure.But measuring operation is operated completion by several staff, and transit needs repeatedly the location could accomplish the measurement of the whole measurement points of aircraft in the measuring process of full machine, and the operation time spent is long and the accuracy influence human factor logarithm value is bigger.Along with improving constantly of aeroplane performance; Requirement to aircraft configuration is also increasingly high; Therefore full machine leveling error to be had higher requirement, the leveling error of some aircraft be ± below the 0.5mm, the optical instrument of routine can not satisfy the requirement of airplane horizontal survey.
Summary of the invention
The accuracy of data is enhanced productivity when measuring in order to improve the standard.We adopt laser tracker to carry out full machine horizontal survey.Can effectively reduce the time used when measuring, and accuracy that can better control survey data.
The utility model solves the scheme that its technical matters adopted; Aircraft horizontal laser light measuring system; Be made up of laser locating apparatus, horizontal reference coordinate points and horizontal survey point, what it is characterized in that aircraft is provided with at least four horizontal reference coordinate points on every side, and a side is provided with laser locating apparatus; Aircraft is provided with some horizontal survey points, and laser locating apparatus is connected with computing machine.
Use the ground stationary installation to lay 4 horizontal reference coordinate points of plane internal fixation at aircraft; Set up an aircraft level reference according to the horizontal reference coordinate points; Use an end of laser locating apparatus target to point to the horizontal survey point that the needs on the airframe are measured, in the reference field that computing machine is set up, indicate out the three-dimensional relative coordinate value of institute's measuring point by laser locating apparatus emission and reception laser beam.Through calculating distance between each horizontal survey point, obtain the distance relation between each point of needed aircraft level then.
The utility model has the advantages that; Measurement just can be accomplished by two operating personnel; And the measuring instrument fixing surveying work that just can accomplish the whole measurement points of full machine for twice, in measuring process, the numerical value of measurement point is the principle of reflection production that is utilized laser by laser tracker; So reduced the measuring error that manual operation caused, it is more accurate to measure numerical value.
Description of drawings
Fig. 1 is the system layout synoptic diagram of the utility model.
Among the figure: 1-laser locating apparatus, 2-horizontal reference coordinate points, 3-horizontal survey point, 4-computing machine.
Embodiment
Combine accompanying drawing and embodiment that the utility model is described further at present; Referring to Fig. 1, aircraft horizontal laser light measuring system is made up of laser locating apparatus 1, horizontal reference coordinate points 2, horizontal survey point 3 and computing machine 4; It is characterized in that aircraft around be provided with at least four horizontal reference coordinate points 2; One side is provided with laser locating apparatus 1, and aircraft is provided with some horizontal survey points 3, and laser locating apparatus 1 is connected with computing machine 4.
The method step of the utility model is:
1) aircraft is fixed and adjusted aircraft, fixing four horizontal reference coordinate points 2 on ground to horizontality;
2) read the coordinate of four horizontal reference coordinate points 2 respectively with laser locating apparatus 1, simulate the aircraft surface level through computing machine 4 then;
3) respectively aircraft each horizontal survey point 3 is on one side carried out laser measurement with laser target, and write down the coordinate figure of each point;
4) laser measuring device for measuring 1 is moved to the opposite side of aircraft, horizontal survey point 3 is carried out measuring like the mode of step 3;
5) horizontal survey point 3 with all measurements is recorded in the aircraft horizontal coordinates of computing machine 4 simulations, according to the requirement of numerical value, respectively different horizontal measurement point 3 is calculated desired each horizontal survey point 3 distance values.
Embodiment:The preferred forms of the utility model; Aircraft horizontal laser light measuring system; Form by laser locating apparatus 1, horizontal reference coordinate points 2, horizontal survey point 3 and computing machine 4; Around aircraft, be provided with at least four horizontal reference coordinate points 2, horizontal reference coordinate points 2 is apart from the about 3-5 rice of fuselage position, and clear stops that laser beam gets final product.Side at measured aircraft is provided with laser locating apparatus 1, and aircraft is provided with some horizontal survey points 3, and horizontal survey point 3 is for the needed measured value of the every airplane of leveling, generally when airplane design with regard to given quantity and position.The position all is distributed in the positions such as leading portion, stage casing, vertical fin, empennage and wing of fuselage generally speaking, and laser locating apparatus 1 is connected with computing machine 4.
The method step of its measurement is following:
1) at first aircraft is fixed and adjusted aircraft to horizontality.Fixing four horizontal reference coordinate points 2 on ground.
Set up coordinate system.Measurement point light straight line can reach in erect-position of laser tracker measurement requirement, and the light that can not break renews, and can not there be barrier the centre; Horizontal survey point major part on the aircraft all is to be symmetrically distributed; Established angle such as wing, horizontal tail just needs to measure the coordinate points about fuselage, because the centre is blocked by fuselage, undercarriage etc., needs a plurality of websites in the measuring process; A plurality of coordinate systems; So the separate unit laser tracker must enlarge measurement range through the method for " change station ", make that the light straight line can reach under single erect-position, realize effectively measuring.In " change station " process, have at least 7 common basic points to connect between the adjacent erect-position, 7 common basic points through two erect-positions connect different erect-position information each other, form a unified coordinate system.
2) read the coordinate of four horizontal reference coordinate points 2 respectively with laser locating apparatus 1, simulate the aircraft surface level through computing machine 4 then.Respectively aircraft each horizontal survey point 3 is on one side carried out laser measurement with laser target, write down the coordinate figure of each point then, laser measuring apparatus should guarantee fixing in measuring process and guarantee level with tripod.
The measurement of coordinate points.Through the erect-position conversion, energy measurement is to all coordinate points of full machine.Two kinds of measuring methods are arranged:
A. the direct method of measurement directly is placed into the tested point position with target, calculates result's average through repeatedly sampling, having measuring system to cross, and realizes the measurement of measured point, just can adopt this mode such as the punctuate for the fuselage side;
B. the indirect method of measurement; Through measuring sphere or circle, adopt the centre of sphere or center of circle match mode to measure the coordinate of the point in the centre of sphere or the center of circle indirectly, such as the punctuate of wing, horizontal tail bottom; Because coordinate points is in the bottom; Sometimes Stimulated Light head height degree restriction, inconvenience is directly measured, and can take indirect metering system.
3) aircraft horizontal survey point 3 on one side all measure accomplish after, laser measuring device for measuring 1 is moved to the other side of aircraft, horizontal survey point 3 is measured, measurement requirement is consistent with step 2.
4) horizontal survey point 3 of all measurements all can be recorded in the aircraft horizontal coordinates of computing machine 4 simulations, according to the requirement of numerical value, respectively different horizontal measurement point 3 is calculated desired each horizontal survey point 3 distance values.
Because erect-position is longer switching time, batch product aircraft, output is big, all will reset some at every turn, is unfavorable for improving efficiency of measurement.Need solve this problem through the horizontal survey position is set.Measure needs in order to adapt to batch, it is full machine horizontal survey dedicated location that a zone is set, and in this position pre-buried commentaries on classics station basic point; Position, the laser tracker approximate location of aircraft are done sign; When measuring next time, then need not basic point is set once more, and utilize former basic point can realize many sorties; Multiple batches of measurement improves efficiency of measurement.
Be measured as example with the true angle of incidence and the upper counterangle, table 1 is seen in the data contrast.
Table 1 measurement data contrast situation
Can find out that through above data contrast the ordinary optical instrument is consistent with laser tracker reflection wing installation situation, the numerical value departure meets the requirements basically, but measuring accuracy is improved.
Claims (1)
1. aircraft horizontal laser light measuring system; Form by laser locating apparatus (1), horizontal reference coordinate points (2), horizontal survey point (3) and computing machine (4); It is characterized in that aircraft around be provided with at least four horizontal reference coordinate points (2); One side is provided with laser locating apparatus (1), and aircraft is provided with some horizontal survey points (3), and laser locating apparatus (1) is connected with computing machine (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205024381U CN202361986U (en) | 2011-12-06 | 2011-12-06 | Horizontal laser measuring system for airplanes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205024381U CN202361986U (en) | 2011-12-06 | 2011-12-06 | Horizontal laser measuring system for airplanes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202361986U true CN202361986U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205024381U Expired - Lifetime CN202361986U (en) | 2011-12-06 | 2011-12-06 | Horizontal laser measuring system for airplanes |
Country Status (1)
| Country | Link |
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| CN (1) | CN202361986U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997846A (en) * | 2012-12-07 | 2013-03-27 | 沈阳飞机工业（集团）有限公司 | Full-airplane horizontal measurement method based on work space measurement location system |
| CN104457696A (en) * | 2014-12-09 | 2015-03-25 | 江西洪都航空工业集团有限责任公司 | Non-leveling type horizontal measuring method |
| CN105203131A (en) * | 2015-10-20 | 2015-12-30 | 成都飞机工业（集团）有限责任公司 | Orientation method of laser tracker |
-
2011
- 2011-12-06 CN CN2011205024381U patent/CN202361986U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997846A (en) * | 2012-12-07 | 2013-03-27 | 沈阳飞机工业（集团）有限公司 | Full-airplane horizontal measurement method based on work space measurement location system |
| CN102997846B (en) * | 2012-12-07 | 2015-10-28 | 沈阳飞机工业（集团）有限公司 | The full machine level measurement method of aircraft based on work space measurement and positioning system |
| CN104457696A (en) * | 2014-12-09 | 2015-03-25 | 江西洪都航空工业集团有限责任公司 | Non-leveling type horizontal measuring method |
| CN105203131A (en) * | 2015-10-20 | 2015-12-30 | 成都飞机工业（集团）有限责任公司 | Orientation method of laser tracker |
| CN105203131B (en) * | 2015-10-20 | 2017-12-05 | 成都飞机工业（集团）有限责任公司 | Laser tracker turns station method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangxi Hongdu aircraft Limited by Share Ltd Assignor: Hongdu Aviation Industry Group Co., td., Jiangxi Prov. Contract record no.: 2014360000201 Denomination of utility model: Horizontal laser measurement system and method for airplane Granted publication date: 20120801 License type: Exclusive License Record date: 20140715 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120801 |
|
| CX01 | Expiry of patent term |