CN106041873A - Auxiliary positioning tool for chemical edge milling of aircraft skin - Google Patents
Auxiliary positioning tool for chemical edge milling of aircraft skin Download PDFInfo
- Publication number
- CN106041873A CN106041873A CN201610692859.2A CN201610692859A CN106041873A CN 106041873 A CN106041873 A CN 106041873A CN 201610692859 A CN201610692859 A CN 201610692859A CN 106041873 A CN106041873 A CN 106041873A
- Authority
- CN
- China
- Prior art keywords
- ink
- aircraft skin
- driven magnet
- magnet
- jig arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
An auxiliary positioning tool for chemical edge milling of aircraft skin comprises a guide magnet, a driven magnet, a connecting support, a marker, an ink guide device and a clamping device. An ink storage cavity of the ink guide device is filled with ink, an ink delivery hole is communicated with a capillary hole of the driven magnet, and a nib is positioned in one of clamping grooves that are evenly spaced peripherally at the bottom of the driven magnet for clamping the nib of the marker. After a reference start point is determined, mating angle of the driven magnet with the guide magnet is adjusted through a position of the marker, any marker is positioned at the start point of a chemical milling step edge, the guide magnet is driven to move along the chemical milling edge of the inner side of aircraft skin, the marker on the driven magnet mating with the guide magnet will record a position of the chemical milling edge of the aircraft skin, a segment recorded by ink flowing out of the capillary hole is a reference line, the tool adapts to certain chemical milling step edges with complex outline and serves for timely correcting a deviation of the marker.
Description
Technical field
The present invention relates to a kind of aircraft skin chemical contouring edge auxiliary locating tool.
Background technology
For alleviating the operation gross weight of aircraft, aircraft skin can use chemicals to mill away at inner surface in the fabrication process
Certain thickness material, generally 0.020 inch to 0.080 inch, milling edges of regions forms step.Step transition region belongs to
In area of stress concentration, easily form fatigue crack, need the strict layout controlling securing member.The particularity of this position requires facing
When near field performs repacking or repairs, need at eyelid covering outer surface positioning step marginal position accurately.Currently there is no similar
Location instrument, the method solving in the industry the commonly used hand dipping of this orientation problem, according to closing on securing member after choosing datum mark
Position carry out local measurement location, the most closely enter to form the profile of chemistry milling step.This kind of method not only efficiency is low, and often
Individual closely enter a little all there is measurement error, during whole measurement, there will be more cumulative error, eventually to structural portion
The precision of part location produces impact.The alignment error of structure member can increase the weight of the stress in this region further and concentrate, when aircraft is long
Between operation can produce fatigue crack, affect seaworthiness safety.
Summary of the invention
The present invention is in order to overcome the deficiency of above technology, it is provided that a kind of raising is measured efficiency, reduces the flying of measurement error
Machine eyelid covering chemical contouring edge auxiliary locating tool.
The present invention overcomes its technical problem be the technical scheme is that
A kind of aircraft skin chemical contouring edge auxiliary locating tool, including:
Guide Magnet, be positioned at inside aircraft skin；
Driven magnet, is positioned at outside aircraft skin, and it is axially inside provided with pore；
Connecting support, it is fixed on driven magnet by locking device；
Marking pen, is fixed on the outside connecting support by angular adjustment apparatus；
Lead device for ink, be positioned at connection support, its be internally provided with the ink storage chamber of taper and be vertically arranged with ink storage chamber phase
The ink feeder even and being coaxially disposed with pore；And
Clamping device, is arranged on connection support, for the upper end of the lower end and driven magnet of leading device for ink is pressed into contact with, and institute
State and the most uniform bottom driven magnet be arranged at intervals with some draw-in grooves for holding marking pen tip.
The outboard end of above-mentioned guiding Magnet is combined with threaded rod II vertically, and the head end of described threaded rod II connects guiding
Joystick knob.
Above-mentioned locking device includes the jig arm I in semi-circular shape and jig arm II, and described jig arm I is logical with the tail end of jig arm II
Crossing connection sheet utilizes rivet to be articulated and connected, and the head end of jig arm II passes through the hinged lock nut that is provided with of rivet, and the head end of jig arm I leads to
Cross the plunger nut being combined in lock nut to step up on driven magnet with jig arm II.
The fixing dress of marking pen that above-mentioned angle fixing device includes being arranged at the fluting connecting pedestal lower end, is positioned in fluting
Putting, be arranged at the nut groove connected in support of fluting side and the nut in inserted num groove, adjusting screw rod is through connecting
Being combined in nut groove after support and marking pen fixing device, the head end of described adjusting screw rod is provided with regulation handle.
Above-mentioned clamping device includes being combined on the threaded rod I connected on support vertically and being arranged at threaded rod I head end
Slave knob handle.
For the ease of controlling the ink release time, also include that level is combined on and lead in device for ink the spiral at ink feeder and open
Close.
In order to prevent leading device for ink rotation, the above-mentioned lower end leading device for ink is provided with cross boss, described driven magnet
Upper end is provided with the cross recess corresponding with cross boss.
For the ease of using, above-mentioned marking pen has two, and it is respectively symmetrically and is arranged at driven magnet both sides, and passes through respectively
Angular adjustment apparatus is fixed on the two ends connecting support.
Above-mentioned marking pen fixing device includes pedestal and is arranged at the clamp clip of circular arc of pedestal front end, described pedestal
In be horizontally disposed with through hole, the internal diameter of described through hole matches with the external diameter of adjusting screw rod.
In order to improve safety, also include being arranged at threaded rod I and lead being made up of aluminum alloy materials between device for ink
Locking nut.
The invention has the beneficial effects as follows: ink in the ink storage chamber lead device for ink, ink dress will be led by clamping device
Put and be connected with driven magnet, make ink feeder be conducted with the pore of driven magnet, regulate mark by angle strip device afterwards
Pen angle position, make nib fall into bottom driven magnet the most uniform be arranged at intervals with some for holding marking pen
In one of them in the draw-in groove of nib.Determine with reference to after starting point, by position adjustment driven magnet and the guiding of marking pen
The fit angle of Magnet, falls arbitrary marking pen in chemistry milling step edge starting point, drives and guides Magnet along aircraft skin
The chemical contouring edge of inner side moves, and the matched marking pen on driven magnet will record the outside chemistry of aircraft skin
The position at milling edge, the line segment recorded is reference line, it is adaptable to the chemical milling step edge that some profile is complex, in order to
Correct the deviation of marking pen in time, enhance the reliability of this device.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the present invention；
Fig. 2 is the perspective view of the present invention；
Fig. 3 is the structural representation of marking pen clamping device；
Fig. 4 is the structural representation leading device for ink；
In figure, 1. device for ink 41. ink storage chamber 42. ink feeder led by slave knob handle 2. threaded rod I 3. connection support 4.
43. screw switch 44. cross boss 5. locking nut 6. driven magnet 7. cross recess 8. jig arm I 9. jig arm II 10.
Marking pen 11. aircraft skin 12. pore 13. guides Magnet 14. threaded rod II 15. guide knobs handle 16. to connect
Sheet 17. 18. nut groove 19. nut 20. pedestal 21. clamp clip 22. through hole 23. adjusting screw rods 24. of slotting regulate hands
Handle 25. lock nut 26. rivet 27. plunger nut.
Detailed description of the invention
The present invention will be further described for 1 to accompanying drawing 4 below in conjunction with the accompanying drawings.
A kind of aircraft skin chemical contouring edge auxiliary locating tool, including: guide Magnet 13, be positioned at aircraft skin 11
Side；Driven magnet 6, is positioned at outside aircraft skin 11, and it is axially inside provided with pore 12；Connecting support 3, it is by lock
Tight device is fixed on driven magnet 6；Marking pen 10, is fixed on the outside connecting support 3 by angular adjustment apparatus；Lead ink dress
Put 4, be positioned at connection support 3, its be internally provided with the ink storage chamber 41 of taper and being connected with ink storage chamber 41 of being vertically arranged and
The ink feeder 42 being coaxially disposed with pore 12；And clamping device, it is arranged on connection support 3, for device for ink 4 will be led
Lower end is pressed into contact with the upper end of driven magnet 6.Ink in the ink storage chamber 41 lead device for ink 4, will by clamping device
Lead device for ink 4 to be connected with driven magnet 6, make ink feeder 42 be conducted with the pore of driven magnet 6, filled by angle bar afterwards
Put regulation marking pen 10 angle position, make nib fall into bottom driven magnet 6 the most uniform be arranged at intervals with some
In one of them in the draw-in groove of holding marking pen 10 nib.Determine with reference to after starting point, by the position of marking pen 10
Adjust driven magnet 6 and guide the fit angle of Magnet 13, arbitrary marking pen 10 being fallen in chemistry milling step edge starting point, drive
Dynamic guiding Magnet 13 moves along the chemical contouring edge inside aircraft skin 11, the matched marking pen on driven magnet 6
The position of the 10 outside chemical contouring edge that will record aircraft skin 11, the line segment that the ink that pore flows out is recorded is ginseng
Examine line, it is adaptable to the chemical milling step edge that some profile is complex, in order to correct the deviation of marking pen in time, enhance this
The reliability of device.
Further, the outboard end of Magnet 13 is guided to be combined with threaded rod II 14, the head end of threaded rod II 14 vertically
Connect and have guide knobs handle 15.Make threaded rod II 14 rotate by rotating guide knobs handle 15, thus regulate threaded rod II
The extension elongation of 14, the operator of convenient different heights use.
Locking device includes the jig arm I 8 in semi-circular shape and jig arm II 9, and jig arm I 8 is logical with the tail end of jig arm II 9
Crossing connection sheet 16 utilizes rivet to be articulated and connected, and the head end of jig arm II 9 passes through the hinged lock nut 25 that is provided with of rivet 26, jig arm I
The head end of 8 is stepped up on driven magnet 6 with jig arm II 9 by the plunger nut 27 being combined in lock nut 25.When unclamping post
After plug nut 27, jig arm I 8 and jig arm II 9 can be unclamped, thus connection support 3 is unloaded from driven magnet 6, will
After jig arm I 8 and jig arm II 9 are locked by plunger nut 27, it is fixed on driven magnet 6.Dismount simple and convenient.
Angle fixing device is following structure, and it includes being arranged at the fluting 17 of connection support 3 lower end, being positioned in fluting 17
Marking pen fixing device, the nut groove 18 connected in support 3 being arranged at fluting 17 sides and inserted num groove 18 in
Nut 19, adjusting screw rod 23 is combined in nut groove 18 after connecting support 3 and marking pen fixing device, adjusting screw rod 23
Head end be provided with regulation handle 24.When unclamping adjusting screw rod 23, marking pen fixing device drives marking pen to rotate, when regulating
After angle, screwing adjusting screw rod 23, the place of making connects the fluting 17 of support 3 and marking pen fixing device is fixedly clamped.
Clamping device can be following structure, and it includes being combined on the threaded rod I 2 connected on support 3 vertically and setting
It is placed in the slave knob handle 1 of threaded rod I 2 head end.Threaded rod I 2 is driven to rotate by rotary drive joystick knob 1, thus
Make threaded rod I 2 drive lead device for ink 4 to be pressed on driven magnet 6.Can also include being arranged at threaded rod I 2 and leading device for ink
The locking nut 5 being made up of aluminum alloy materials between 4.Owing to locking nut 5 is made up of softer aluminum alloy materials, work as folder
When the thrust of tight device is excessive, locking nut 5 is preferentially destroyed, it is ensured that prevents from leading the situation generation that device for ink 4 damages, enters one
Step improves the reliability of use.
Further, it is also possible to include that level is combined on the screw switch 43 led in device for ink 4 at ink feeder 42, work as filling
Ink or when not using, can close ink feeder 42 by screw switch 43, prevent the ink in ink storage chamber 41 from wasting.Lead ink dress
The lower end putting 4 is provided with cross boss 44, and the upper end of driven magnet 6 is provided with the cross recess 7 corresponding with cross boss 44.
After clamping device will lead device for ink 4 and driven magnet 6 is fixedly clamped, cross boss 44 is inserted in cross recess 7, the most anti-
Only in mapping process, driven magnet 6 is relatively led device for ink 4 and is rotated against.Marking pen 10 can have two, and it is respectively symmetrically setting
In driven magnet 6 both sides, and it is fixed on the two ends connecting support 3 respectively by angular adjustment apparatus.2 marking pens 10 can enter
One step improves the convenience used.Marking pen fixing device can be following structure, and it includes pedestal 20 and is arranged at pedestal
The clamp clip 21 of the circular arc of 20 front ends, has been horizontally disposed with through hole 22, the internal diameter of through hole 22 and adjusting screw rod 23 in pedestal 20
External diameter matches.Having resilient clamp clip 21 to be clamped by marking pen 10, pedestal 20 can pass through through hole 22 relative accommodation screw rod
23 rotate.
Claims (10)
1. an aircraft skin chemical contouring edge auxiliary locating tool, it is characterised in that including:
Guide Magnet (13), be positioned at aircraft skin (11) inner side；
Driven magnet (6), is positioned at aircraft skin (11) outside, and it is axially inside provided with pore (12)；
Connecting support (3), it is fixed on driven magnet (6) by locking device；
Marking pen (10), is fixed on the outside connecting support (3) by angular adjustment apparatus；
Leading device for ink (4), be positioned at connection support (3), it is internally provided with the ink storage chamber (41) of taper and is vertically arranged
The ink feeder (42) being connected with ink storage chamber (41) and be coaxially disposed with pore (12)；And
Clamping device, is arranged in connection support (3), for leading the lower end of device for ink (4) and the upper side pressure of driven magnet (6)
Close contact, described driven magnet (6) bottom the most uniform be arranged at intervals with some for holding marking pen (10) nib
Draw-in groove.
Aircraft skin chemical contouring edge auxiliary locating tool the most according to claim 1, it is characterised in that: described guiding magnetic
The outboard end of ferrum (13) is combined with threaded rod II (14) vertically, and the head end of described threaded rod II (14) connects guide knobs hands
Handle (15).
Aircraft skin chemical contouring edge auxiliary locating tool the most according to claim 1, it is characterised in that: described locking dress
Putting the jig arm I (8) and jig arm II (9) included in semi-circular shape, described jig arm I (8) is passed through to be connected with the tail end of jig arm II (9)
Sheet (16) utilizes rivet to be articulated and connected, and the head end of jig arm II (9) is provided with lock nut (25), jig arm by rivet (26) is hinged
The head end of I (8) is stepped up in driven magnet (6) with jig arm II (9) by the plunger nut (27) being combined in lock nut (25)
On.
Aircraft skin chemical contouring edge auxiliary locating tool the most according to claim 1, it is characterised in that: described angle is solid
Determine device to include being arranged at the connection fluting (17) of support (3) lower end, the marking pen fixing device being positioned in fluting (17), setting
Nut groove (18) in the connection support (3) of fluting (17) side and the nut (19) in inserted num groove (18), regulation
Screw rod (23) is combined in nut groove (18) after connecting support (3) and marking pen fixing device, described adjusting screw rod
(23) head end is provided with regulation handle (24).
Aircraft skin chemical contouring edge auxiliary locating tool the most according to claim 1, it is characterised in that: described clamping dress
Put and include being combined on the threaded rod I (2) connected on support (3) vertically and being arranged at the slave knob of threaded rod I (2) head end
Handle (1).
Aircraft skin chemical contouring edge auxiliary locating tool the most according to claim 1, it is characterised in that: also include level
It is combined on the screw switch (43) leading ink feeder (42) place in device for ink (4).
Aircraft skin chemical contouring edge auxiliary locating tool the most as claimed in any of claims 1 to 6, its feature exists
In: described in lead the lower end of device for ink (4) and be provided with cross boss (44), the upper end of described driven magnet (6) is provided with and cross
The cross recess (7) that boss (44) is corresponding.
Aircraft skin chemical contouring edge auxiliary locating tool the most according to claim 7, it is characterised in that: described marking pen
(10) having two, it is respectively symmetrically and is arranged at driven magnet (6) both sides, and is fixed on connection by angular adjustment apparatus respectively
The two ends of frame (3).
Aircraft skin chemical contouring edge auxiliary locating tool the most according to claim 4, it is characterised in that: described marking pen
Fixing device includes pedestal (20) and is arranged at the clamp clip (21) of circular arc of pedestal (20) front end, in described pedestal (20)
Being horizontally disposed with through hole (22), the internal diameter of described through hole (22) matches with the external diameter of adjusting screw rod (23).
Aircraft skin chemical contouring edge auxiliary locating tool the most according to claim 5, it is characterised in that: also include setting
It is placed in threaded rod I (2) and the locking nut (5) being made up of aluminum alloy materials leading between device for ink (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692859.2A CN106041873B (en) | 2016-08-22 | 2016-08-22 | Aircraft skin chemical contouring edge auxiliary locating tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610692859.2A CN106041873B (en) | 2016-08-22 | 2016-08-22 | Aircraft skin chemical contouring edge auxiliary locating tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106041873A true CN106041873A (en) | 2016-10-26 |
| CN106041873B CN106041873B (en) | 2018-02-06 |
Family
ID=57195307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610692859.2A Active CN106041873B (en) | 2016-08-22 | 2016-08-22 | Aircraft skin chemical contouring edge auxiliary locating tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106041873B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110321607A (en) * | 2019-06-21 | 2019-10-11 | 江西洪都航空工业集团有限责任公司 | A kind of segmented chemical milling template preparation method |
| CN112659088A (en) * | 2020-12-15 | 2021-04-16 | 西安飞机工业（集团）有限责任公司 | Sheet metal part contour marking device and marking method |
| CN113146563A (en) * | 2021-03-12 | 2021-07-23 | 中国商用飞机有限责任公司 | Hole site marking tool and method for marking hole site on assembly part |
| CN114012690A (en) * | 2021-12-03 | 2022-02-08 | 中航沈飞民用飞机有限责任公司 | Special magnetic hole position marking tool and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201792218U (en) * | 2010-03-31 | 2011-04-13 | 中国商用飞机有限责任公司 | Milling fixture |
| CN102267132A (en) * | 2011-07-20 | 2011-12-07 | 沈阳飞机工业（集团）有限公司 | Normal flexible scribing method of complicated space curved surface |
| JP2014065139A (en) * | 2012-09-26 | 2014-04-17 | Noriyoshi Kubota | Assisting tool for ink line making |
| CN105677997A (en) * | 2016-01-13 | 2016-06-15 | 上海数设科技有限公司 | Method and device for determining size of airplane skin unit chemically-milled area |
| CN205928606U (en) * | 2016-08-22 | 2017-02-08 | 山东太古飞机工程有限公司 | Aircraft skin chemistry mills marginal locating assisting tool |
-
2016
- 2016-08-22 CN CN201610692859.2A patent/CN106041873B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201792218U (en) * | 2010-03-31 | 2011-04-13 | 中国商用飞机有限责任公司 | Milling fixture |
| CN102267132A (en) * | 2011-07-20 | 2011-12-07 | 沈阳飞机工业（集团）有限公司 | Normal flexible scribing method of complicated space curved surface |
| JP2014065139A (en) * | 2012-09-26 | 2014-04-17 | Noriyoshi Kubota | Assisting tool for ink line making |
| CN105677997A (en) * | 2016-01-13 | 2016-06-15 | 上海数设科技有限公司 | Method and device for determining size of airplane skin unit chemically-milled area |
| CN205928606U (en) * | 2016-08-22 | 2017-02-08 | 山东太古飞机工程有限公司 | Aircraft skin chemistry mills marginal locating assisting tool |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110321607A (en) * | 2019-06-21 | 2019-10-11 | 江西洪都航空工业集团有限责任公司 | A kind of segmented chemical milling template preparation method |
| CN110321607B (en) * | 2019-06-21 | 2023-03-24 | 江西洪都航空工业集团有限责任公司 | Sectional type chemical milling sample plate preparation method |
| CN112659088A (en) * | 2020-12-15 | 2021-04-16 | 西安飞机工业（集团）有限责任公司 | Sheet metal part contour marking device and marking method |
| CN113146563A (en) * | 2021-03-12 | 2021-07-23 | 中国商用飞机有限责任公司 | Hole site marking tool and method for marking hole site on assembly part |
| CN113146563B (en) * | 2021-03-12 | 2023-08-25 | 中国商用飞机有限责任公司 | Hole site marking tool and method for marking hole sites on assembly |
| CN114012690A (en) * | 2021-12-03 | 2022-02-08 | 中航沈飞民用飞机有限责任公司 | Special magnetic hole position marking tool and method |
| CN114012690B (en) * | 2021-12-03 | 2024-01-26 | 中航沈飞民用飞机有限责任公司 | Method for magnetically marking hole sites |
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|---|---|
| CN106041873B (en) | 2018-02-06 |
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