CN105129107A - Method for designing airplane compass field - Google Patents
Method for designing airplane compass field Download PDFInfo
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- CN105129107A CN105129107A CN201510305330.6A CN201510305330A CN105129107A CN 105129107 A CN105129107 A CN 105129107A CN 201510305330 A CN201510305330 A CN 201510305330A CN 105129107 A CN105129107 A CN 105129107A
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Abstract
The invention discloses a method for designing an airplane compass field and belongs to the technical field of designing airplane compass fields. The method includes a constructing and painting phase, preparing a magnetic north measuring device, a non-elastic cord, a wooden ruler, chalk, paint, a brush and a plummet, passing the center of a rotating disc, measuring accurate magnetic north with an accurate magnetic north measuring device, drawing a line passing the rotating disc and pointing to the accurate magnetic north, measuring the main wheelspan d of an airplane, calculating semi-wheelspan r=d/2, hanging the plummet on a hanging point of the airplane, measuring the distance R between the landing place of the main wheel of the airplane and the landing place of the plummet, with the R as the rotation radius, drawing a semi-wheelspan circle with the center of the rotating disc as the circle center, and the semi-wheelspan r as the radius, drawing a rotating radius circle with the center of the rotating disc as the circle center, and the rotation radius R as the radius, and painting the compass points of 0 degree, 90 degrees, 135 degrees, 180 degrees, 225 degrees, 270 degrees and 315 degrees of an instrument. Production cost can be saved, and puncture delivery of airplanes to users can be ensured.
Description
Technical field
The method of designing of aircraft compass field of the present invention, belongs to aircraft compass field design field.
Background technology
Novel model aircraft increased gradually in recent years, had all needed the operation of compass compensation at all model aircrafts in station of taking a flight test.Because existing compass field, station of taking a flight test is near runway centerline, and on aircraft turnover ratio connecting taxiway side more frequently, the compass field that therefore construction one is new is inevitable.Build field and easily draw field difficulty, therefore the design technique of painting in compass place seems particularly important.
Summary of the invention
The object of invention: build new compass field away from runway centerline, and do not have aircraft through compass field aircraft access way.If compass field also draws by unit oneself design, a large amount of productive costss can be saved, directly for workshop creates high economic benefit.For the normal payment user on time of aircraft provides guarantee.
The technical scheme of invention: the method for designing of aircraft compass field, the method adopts following steps:
One, build
1) addressing
Away from high-lager building, periphery is without Large Fe magnetic bodies, and without high-power wireless communication launcher, distance navigation platform should have certain distance;
2) place
Ground level and firm, must not add the ferromagnetic materials such as reinforcing bar, should have drainage ability;
3) rotating disk
Central turnplate is bearing design, is positioned at base center shaft, can positive and negative freedom and flexibility rotate, and without cross travel when rotating and between base; Center of turntable is concave surface, and diameter can design according to the size of tire, and size should be moderate, should be less than wheelspan; Material should be nonferromagnetic, and load-bearing should meet the demands;
Two, draw
1) prepare
Magnetic north measuring equipment, non-resilient cord, wooden rule, chalk, paint, brush, plummet;
2) measure
2.1 mistake center of turntable points, measure accurate magnetic north with accurate magnetic north measuring equipment, center of turntable is drawn a line and is pointed to accurate magnetic north excessively;
2.2 instrumentation airplane main wheel track d, calculate half wheelspan r=d/2;
Plummet hangs on the hanging point of aircraft by 2.3, and instrumentation airplane main point is the radius of gyration to plummet touchdown point distance R, R;
3) draw
3.1 is the center of circle with center of turntable, with half wheelspan r for radius, draws one and half wheelspans circles;
3.2 is the center of circle with center of turntable, with radius of gyration R for radius, draws a radius of gyration circle;
3.3 instrument 0 ° draftings
Take up an official post and get A, B at 2 surveying measured magnetic north line in advance, cross the vertical line that A, B point makees magnetic north line respectively, respectively with A, B for the center of circle, with half wheelspan r for radius draws arc, hand over respectively in C, D point on the left of vertical line, cross C, D point and do straight line, straight line CD should be tangent with half wheelspan circle, and point of contact is E; Straight line CD and radius of gyration circle intersect at F point, and F point is instrument 0 ° of bearing point, draw cross line to make marks;
3.4 instrument 45 ° draftings
Cross center of turntable point, do the vertical line of magnetic north line, this line is east-west direction, angular bisector is done along northeastward, this line is 45 °, 225 ° directions, takes up an official post get G, H at 2 at this angular bisector, crosses the vertical line that G, H do line from east to west respectively, respectively with G, H for the center of circle, with half wheelspan r for radius draws arc, hand in I, J point on the left of vertical line, cross I, J point and do straight line, straight line IJ should be tangent with half wheelspan circle, and point of contact is K; Straight line IJ and radius of gyration circle intersect at a L, and some L is instrument 45 ° of bearing points, draws cross line to make marks;
3.5 draw out instrument 90 °, 135 °, 180 °, 225 °, 270 °, 315 ° bearing points with same method;
3.6 radiobearings are drawn
Do straight line with center of turntable point to guidance station, this straight line is radio 0 ° of line, imitates instrument magnetic north line with radio 0 °, and method for drafting is identical with instrument orientation method for drafting; Radio 0 ° of orientation is relevant relative to guidance station position with site location, and due to the existence of the reasons such as half wheelspan, when place is close to guidance station, error is comparatively large, and therefore when addressing, should there be certain distance in place with guidance station; The angle of radio 0 ° of orientation and magnetic north line is wireless instrument azimuth, and when place, radio pointer should always point to this azimuth.
Advantage of the present invention: build new compass field away from runway centerline, and there is no aircraft through compass field aircraft access way.If compass field also draws by unit oneself design, a large amount of productive costss can be saved, directly for workshop creates high economic benefit.For the normal payment user on time of aircraft provides guarantee.
Accompanying drawing explanation
Fig. 1 is magnetic north determination schematic diagram
Fig. 2 measures main wheel track schematic diagram
Fig. 3 is radius of gyration instrumentation plan
Fig. 4 half wheelspan circle draws schematic diagram
Fig. 5 radius of gyration circle draws schematic diagram
Fig. 6 instrument 0 ° draws schematic diagram
Fig. 7 instrument 45 ° draws schematic diagram
Fig. 8 instrument orientation design sketch
The determination schematic diagram of Fig. 9 radio 0 ° of line of bearing
The geometry technique of painting schematic diagram of Figure 10 vertical line
The geometry technique of painting of Figure 11 angular bisector
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is described in detail:
One, build
1. addressing
Away from high-lager building, periphery is without Large Fe magnetic bodies, and without high-power wireless communication launcher, distance navigation platform should have certain distance.
2. place
Ground level and firm, must not add the ferromagnetic materials such as reinforcing bar, should have drainage ability.
3. rotating disk
Central turnplate is bearing design, is positioned at base center shaft, can positive and negative freedom and flexibility rotate, and without cross travel when rotating and between base; Center of turntable is concave surface, and diameter can design according to the size of tire, and size should be moderate, should be less than wheelspan; Material should be nonferromagnetic, and load-bearing should meet the demands.
Two, draw
1. prepare
Magnetic north measuring equipment, non-resilient cord, wooden rule, chalk, paint, brush, plummet.
2. measure
2.1 cross center of turntable point, measure accurate magnetic north, draw a line as mark with accurate magnetic north measuring equipment.(as Fig. 1)
2.2 measure main wheel track d, calculate half wheelspan r=d/2.(as Fig. 2)
2.3 hang up plummet, and measuring main point is the radius of gyration to plummet touchdown point distance R, R.(as Fig. 3)
3. draw
3.1 half wheelspan circles
Take center of turntable as the center of circle, with half wheelspan r for radius, draw a circle.(as Fig. 4)
3.2 radiuses of gyration are drawn
Take center of turntable as the center of circle, with radius of gyration R for radius, draw a circle.(as Fig. 5)
3.3 instrument 0 ° draftings
Take up an official post and get A, B at 2 surveying measured magnetic north line in advance, cross the vertical line that A, B point makees magnetic north line respectively, respectively with A, B for the center of circle, with half wheelspan r for radius draws arc, on the left of handing over vertical line respectively, (entering rotating disk for revolver) is in C, D point (note: the point intersected on the right side of vertical line also should mark, need to use when drawing 180 ° of orientation over there, can draw with 180 ° for 0 ° during drafting simultaneously, to save time), cross C, D point and do straight line, straight line CD should be tangent with half wheelspan circle, and point of contact is E.Straight line CD and radius of gyration circle intersect at F point, and F point is instrument 0 ° of bearing point, draw cross line to make marks.(as Fig. 6)
3.4 instrument 45 ° draftings
Cross center of turntable point O, do the vertical line of magnetic north line, this line is east-west direction.Angular bisector is done along northeastward, this line is 45 °, 225 ° directions, take up an official post at this angular bisector and get G, H at 2, cross the vertical line that G, H do line from east to west respectively, respectively with G, H for the center of circle, with half wheelspan r for radius draws arc, hand on the left of vertical line in I, J point (note: the point intersected on the right side of vertical line also should mark, need to use when drawing 225 ° of orientation over there, can draw with 225 °, to save time for 45 ° during drafting simultaneously), cross I, J point and do straight line, straight line IJ should be tangent with half wheelspan circle, and point of contact is K.Straight line IJ and radius of gyration circle intersect at a L, and some L is instrument 45 ° of bearing points, draws cross line to make marks.(as Fig. 7)
Other bearing points of 3.5 instrument are drawn
Draw out other bearing points of instrument with same method, draw effect as shown in Figure 8.
3.6 radiobearings are drawn
Do straight line with center of turntable point to guidance station, this straight line is radio 0 ° of line, imitates instrument magnetic north line with radio 0 °, and method for drafting and instrument orientation are drawn in like manner.Radio 0 ° of orientation is relevant relative to guidance station position with site location, and due to the existence of the reasons such as half wheelspan, when place is close to guidance station, error is comparatively large, and therefore when addressing, should there be certain distance in place with guidance station.The angle of radio 0 ° of orientation and magnetic north line is wireless instrument azimuth, when place, always radio pointer should point to this azimuth (no matter in what angle).
The geometry technique of painting if Figure 10 is vertical line: to cross on straight line the vertical line that 1 A does this straight line, take A as the center of circle, with random length r for radius draws arc, hand over straight line in B, C point, again respectively with B, C for the center of circle, with R (R>r) for radius draws arc, two arcs intersect at D, E point, and straight line DE (should cross A point) is the vertical line of straight line BC.
The geometry technique of painting if Figure 11 is angular bisector: do a bisector of an angle, with the summit A at angle for the center of circle, any long r be radius draw arc, angle of cut both sides in B, C point, more respectively with B, C point for the center of circle, with R (for right angle
r should be greatly moderate, to obtain moderate intersection point, gets R=r herein) be radius picture arc, two arcs intersect in angle and put D, and ray AD is the angular bisector of ∠ BAC.
Claims (1)
1. the method for designing of aircraft compass field, is characterized in that, the method adopts following steps:
One, build
1) addressing
Away from high-lager building, periphery is without Large Fe magnetic bodies, and without high-power wireless communication launcher, distance navigation platform should have certain distance;
2) place
Ground level and firm, must not add the ferromagnetic materials such as reinforcing bar, should have drainage ability;
3) rotating disk
Central turnplate is bearing design, is positioned at base center shaft, can positive and negative freedom and flexibility rotate, and without cross travel when rotating and between base; Center of turntable is concave surface, and diameter can design according to the size of tire, and size should be moderate, should be less than wheelspan; Material should be nonferromagnetic, and load-bearing should meet the demands;
Two, draw
1) prepare
Magnetic north measuring equipment, non-resilient cord, wooden rule, chalk, paint, brush, plummet;
2) measure
2.1 mistake center of turntable points, measure accurate magnetic north with accurate magnetic north measuring equipment, center of turntable is drawn a line and is pointed to accurate magnetic north excessively;
2.2 instrumentation airplane main wheel track d, calculate half wheelspan r=d/2;
Plummet hangs on the hanging point of aircraft by 2.3, and instrumentation airplane main point is the radius of gyration to plummet touchdown point distance R, R;
3) draw
3.1 is the center of circle with center of turntable, with half wheelspan r for radius, draws one and half wheelspans circles;
3.2 is the center of circle with center of turntable, with radius of gyration R for radius, draws a radius of gyration circle;
3.3 instrument 0 ° draftings
Take up an official post and get A, B at 2 surveying measured magnetic north line in advance, cross the vertical line that A, B point makees magnetic north line respectively, respectively with A, B for the center of circle, with half wheelspan r for radius draws arc, hand over respectively in C, D point on the left of vertical line, cross C, D point and do straight line, straight line CD should be tangent with half wheelspan circle, and point of contact is E; Straight line CD and radius of gyration circle intersect at F point, and F point is instrument 0 ° of bearing point, draw cross line to make marks;
3.4 instrument 45 ° draftings
Cross center of turntable point, do the vertical line of magnetic north line, this line is east-west direction, angular bisector is done along northeastward, this line is 45 °, 225 ° directions, takes up an official post get G, H at 2 at this angular bisector, crosses the vertical line that G, H do line from east to west respectively, respectively with G, H for the center of circle, with half wheelspan r for radius draws arc, hand in I, J point on the left of vertical line, cross I, J point and do straight line, straight line IJ should be tangent with half wheelspan circle, and point of contact is K; Straight line IJ and radius of gyration circle intersect at a L, and some L is instrument 45 ° of bearing points, draws cross line to make marks;
3.5 draw out instrument 90 °, 135 °, 180 °, 225 °, 270 °, 315 ° bearing points with same method;
3.6 radiobearings are drawn
Do straight line with center of turntable point to guidance station, this straight line is radio 0 ° of line, imitates instrument magnetic north line with radio 0 °, and method for drafting is identical with instrument orientation method for drafting; Radio 0 ° of orientation is relevant relative to guidance station position with site location, and due to the existence of the reasons such as half wheelspan, when place is close to guidance station, error is comparatively large, and therefore when addressing, should there be certain distance in place with guidance station; The angle of radio 0 ° of orientation and magnetic north line is wireless instrument azimuth, and when place, radio pointer should always point to this azimuth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305330.6A CN105129107B (en) | 2015-06-05 | 2015-06-05 | The design method of aircraft compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510305330.6A CN105129107B (en) | 2015-06-05 | 2015-06-05 | The design method of aircraft compass |
Publications (2)
| Publication Number | Publication Date |
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| CN105129107A true CN105129107A (en) | 2015-12-09 |
| CN105129107B CN105129107B (en) | 2017-08-25 |
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| CN201510305330.6A Active CN105129107B (en) | 2015-06-05 | 2015-06-05 | The design method of aircraft compass |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542431A (en) * | 2019-06-11 | 2019-12-06 | 上海民航华东空管工程技术有限公司 | quick and simple positioning method for near-field signal test point of target course antenna array |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116057A (en) * | 1976-12-20 | 1978-09-26 | Gerald Leslie Sullivan | Pendulous induction compass transmitter with means to compensate for heading errors in turns due to the vertical component of the Earth's magnetic field and due to two cycle error |
| DE10144068A1 (en) * | 2001-09-07 | 2003-03-27 | Krebs & Aulich Gmbh | Determination of the magnetic deviation of the compass system of an aircraft using an accurate, simple and cost effective arrangement of a compensation platform and a measurement theodolite |
| CN102305624A (en) * | 2011-05-11 | 2012-01-04 | 西安飞机工业（集团）有限责任公司 | Method for calibrating compass |
| CN104406578A (en) * | 2014-10-22 | 2015-03-11 | 中航通飞华南飞机工业有限公司 | Airplane compass heading guide and compass guidance calibration system and method |
-
2015
- 2015-06-05 CN CN201510305330.6A patent/CN105129107B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4116057A (en) * | 1976-12-20 | 1978-09-26 | Gerald Leslie Sullivan | Pendulous induction compass transmitter with means to compensate for heading errors in turns due to the vertical component of the Earth's magnetic field and due to two cycle error |
| DE10144068A1 (en) * | 2001-09-07 | 2003-03-27 | Krebs & Aulich Gmbh | Determination of the magnetic deviation of the compass system of an aircraft using an accurate, simple and cost effective arrangement of a compensation platform and a measurement theodolite |
| CN102305624A (en) * | 2011-05-11 | 2012-01-04 | 西安飞机工业（集团）有限责任公司 | Method for calibrating compass |
| CN104406578A (en) * | 2014-10-22 | 2015-03-11 | 中航通飞华南飞机工业有限公司 | Airplane compass heading guide and compass guidance calibration system and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542431A (en) * | 2019-06-11 | 2019-12-06 | 上海民航华东空管工程技术有限公司 | quick and simple positioning method for near-field signal test point of target course antenna array |
| CN110542431B (en) * | 2019-06-11 | 2022-12-09 | 上海民航华东空管工程技术有限公司 | Quick and simple positioning method for near-field signal test point of target course antenna array |
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| Publication number | Publication date |
|---|---|
| CN105129107B (en) | 2017-08-25 |
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