CN104400775A - Hole edge distance scriber - Google Patents
Hole edge distance scriber Download PDFInfo
- Publication number
- CN104400775A CN104400775A CN201410594696.5A CN201410594696A CN104400775A CN 104400775 A CN104400775 A CN 104400775A CN 201410594696 A CN201410594696 A CN 201410594696A CN 104400775 A CN104400775 A CN 104400775A
- Authority
- CN
- China
- Prior art keywords
- hole
- scriber
- hole edge
- back gauge
- edge distance
- 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.)
- Pending
Links
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
Abstract
The invention discloses a hole edge distance scriber and belongs to the field of aircraft manufacturing. The hole edge distance scriber provided by the invention is not error-prone, is high in scribing efficiency and is used for reinforcing rib assemblies in aircraft frameworks. The hole edge distance scriber is composed of an L-shaped main plate, a scribing pen and a positioning piece, wherein the L-shaped main plate comprises a vertical plate and a horizontal plate; the scribing pen is fixedly arranged on the vertical plate through a fixing structure, and a pen point of the scribing pen penetrates through a scribing hole in the horizontal plate; a positioning hole is formed in the horizontal plate; the positioning piece is matched with the positioning hole, and a positioning shaft section on the positioning piece vertically penetrates through the horizontal plate, and then the positioning shaft section and the pen point are positioned on the same side of the horizontal plate. Therefore, a hole edge distance needing to be drawn is drawn by the scribing hole and the positioning hole in a constant distance manner, and the drawing accuracy is guaranteed. The hole edge distance scriber is simple in structure and convenient to operate, and the problem that errors are easily caused when a drawer draws the hole edge distances on the reinforcing rib assemblies used for a large number of aircraft frameworks can be effectively solved. Meanwhile, the drawing efficiency of the hole edge distance can be further improved.
Description
Technical field
The present invention relates to aircraft manufacturing field, particularly relate to a kind of for ribs assembly hole back gauge scriber in airframe.
Background technology
Present generation aircraft manufactures and in assembling process, because the skeleton major part of aircraft is made up of ribs assembly, these ribs assemblies in aircraft exist following feature:
The first, structure is similar: show that the shape of rib assembly, composition, size, engineering drawing require;
The second, quantity is large: ribs assembly can play the effect strengthening aircraft structure strength, and the super voyage far away of modern passenger aircraft, large handling capacity of passengers, cause aircraft size to do larger and larger, so the quantity of ribs assembly also rises thereupon;
Three, need to carry out a large amount of drilling operations on rib assembly.
At present before carrying out drilling, line drawing personnel must identify drilling position, just can carry out the work such as follow-up boring, deburring, riveted joint afterwards.But mode common at present takes manual setting-out, the shortcomings such as it is high that it exists error rate, has a big risk, and efficiency is low.As when the line of hole back gauge, due to a large amount of repetitive work, be easy to occur that hole back gauge does not meet the phenomenon appearance of engineering drawing requirement, cause part rejection, waste of human resource, the increase of cost, and under efficiency.
Summary of the invention
The technical problem that the present invention solves is: provide one not easily to make mistakes, and the hole back gauge scriber for ribs assembly in airframe that setting-out efficiency is high.
The technical solution adopted for the present invention to solve the technical problems is: hole back gauge scriber, is made up of L shape mainboard, bow pen and keeper; Described L shape mainboard comprises vertical plate and level board; Bow pen is fixed on vertical plate by fixed structure, and the nib of bow pen is through the line hole on level board; Level board is provided with locating hole, and shown keeper coordinates with locating hole, and the location shaft part on keeper is positioned at the same side of level board with nib after passing perpendicularly through level board.
Further: described keeper is screw or bearing pin.
Further: described keeper and locating hole are threaded engagement.
Further: the location shaft part on keeper is ganoid cylinder.
Further: on level board, be provided with multiple locating hole, the center of multiple locating hole and being centrally located on same straight line of nib.
Further: described locating hole has three.
The invention has the beneficial effects as follows: respectively the nib of bow pen and keeper are carried out the fixing of position by line hole and locating hole, when actual setting-out, only need the location shaft part on keeper to be adjacent on the edge of workpiece, now nib position is the position needing line drawing.Manual the going of line drawing personnel can be avoided like this to measure line drawing distance, and then the error rate of line drawing can be reduced; The operating efficiency of line drawing can also be improved simultaneously.The location shaft part of keeper also can be set to smooth column structure, and hole of the present invention back gauge scriber also can be adopted like this when some workpiece edges are curve to carry out setting-out.In addition, hole of the present invention back gauge scriber, can also arrange multiple locating hole, by coordinating of different locating holes and keeper, may correspond to different hole back gauges, to meet different line drawing demands.
Accompanying drawing explanation
Fig. 1 is the front view of hole of the present invention back gauge scriber;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the bottom view of Fig. 1;
Fig. 4 is hole back gauge drawn by hole back gauge scriber structural representation when workpiece edge is curve;
Be labeled as in figure: L shape mainboard 1, vertical plate 11, level board 12, line hole 13, locating hole 14, bow pen 2, nib 21, fixed structure 3, keeper 4, location shaft part 41, workpiece 5, workpiece edge 6, line drawing track 7, hole back gauge a.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further described.
As shown in Figure 1 to Figure 3, hole of the present invention back gauge scriber, is made up of L shape mainboard 1, bow pen 2 and keeper 4; Described L shape mainboard 1 comprises vertical plate 11 and level board 12; Bow pen 2 is fixed on vertical plate 11 by fixed structure 3, and the nib 21 of bow pen 2 is through the line hole 13 on level board 12; Level board 12 is provided with locating hole 14, and shown keeper 4 coordinates with locating hole 14, and the location shaft part 41 on keeper 4 passes perpendicularly through after level board 12 and nib 21 is positioned at the same side of level board 12.
Vertical plate 11 wherein on L shape mainboard 1 should be mutually vertical with level board 12, and bow pen 2 is fixed on vertical plate 11, and be preferably positioned at the side near level board 12.Nib 21 also needs through the line hole 13 on level board 12 simultaneously, and nib 21 should have sub-fraction just to pass the lower surface of level board 12, and nib 21 so just can be made to carry out setting-out operation.
After installing keeper 4, the surface of being stretched out the location shaft part 41 of level board 12 lower surface by keeper 4 is the hole back gauge a needing to draw, as shown in mark in Fig. 1 to the nearest air line distance of nib 21.Therefore, after the size having set hole back gauge a, need the size according to nib 21, and the diameter of location shaft part 41 determines the distance between locating hole 14 to line hole 13; Now the center of circular hole of locating hole 14 equals to the distance of center of circular hole in line hole 13 radius that hole back gauge a adds location shaft part 41.
Coordinating between keeper 4 with locating hole 14 can adopt threaded engagement, and bearing pin also can be adopted to coordinate.Corresponding keeper 4 can adopt screw or bearing pin.Because location shaft part 41 needs mutually to be adjacent to workpiece edge 6, can not only coordinate with the workpiece edge 6 of linear structure to make location shaft part 41, also can coordinate with curved workpiece edge 6, preferably location shaft part 41 can be made ganoid cylindrical structural.
In addition, in order to meet the needs to different hole back gauge a, multiple locating hole 14 can also be provided with on level board 12.Like this, by installing the setting that keeper 4 can realize different hole back gauge a on different locating hole 14.Further, the center of multiple locating hole 14 and being centrally located on same straight line of nib 21 can be set.As arranged the structure of three locating holes 14, and being centrally located on same straight line of the center of three locating holes 14 and nib 21.Certainly, even if be provided with multiple locating hole 14, but in actual use, in order to avoid the interference of keeper 4, general only needs loads onto a keeper 4, the usual vacant process of remaining locating hole 14 in the locating hole 14 corresponding at the hole back gauge a with corresponding.
As shown in Figure 4, be hole of the present invention back gauge scriber at workpiece edge 6 for drawing the structural representation of hole back gauge when curve, the edge of keeper 4 is pushed against on workpiece edge 6, along workpiece edge 6 moving hole back gauge scriber, now on workpiece, the line drawing track 7 of nib 21 is the hole back gauge line needing to draw.In the process of moving hole back gauge scriber, should ensure that nib 21 is perpendicular with the tangent line of the line at center and the curve intersection point place at workpiece edge 6 of locating shaft part 41 as far as possible; Namely ensure that the point on the final line drawing track 7 drawn in any position is the hole back gauge a of needs to the beeline at workpiece edge 6.
To sum up, hole of the present invention back gauge scriber, its structure is simple, easy to operate, effectively can solve the situation of easily makeing mistakes when line drawing personnel draw hole back gauge on the ribs assembly that a large amount of airframe uses.Also can improve the efficiency that hole back gauge is drawn simultaneously.
Claims (6)
1. hole back gauge scriber, is characterized in that: be made up of L shape mainboard (1), bow pen (2) and keeper (4); Described L shape mainboard (1) comprises vertical plate (11) and level board (12); Bow pen (2) is fixed on vertical plate (11) by fixed structure (3), and the nib (21) of bow pen (2) is through the line hole (13) on level board (12); Level board (12) is provided with locating hole (14), described keeper (4) coordinates with locating hole (14), and the location shaft part (41) on keeper (4) passes perpendicularly through level board (12) is positioned at the same side of level board (12) with nib (21) afterwards.
2. hole as claimed in claim 1 back gauge scriber, is characterized in that: described keeper (4) is screw or bearing pin.
3. hole as claimed in claim 1 back gauge scriber, is characterized in that: described keeper (4) and locating hole (14) are threaded engagement.
4. hole as claimed in claim 1 back gauge scriber, is characterized in that: the location shaft part (41) on keeper (4) is ganoid cylinder.
5. hole as claimed in claim 1 back gauge scriber, it is characterized in that: on level board (12), be provided with multiple locating hole (14), the center of multiple locating hole (14) and being centrally located on same straight line of nib (21).
6. hole as claimed in claim 5 back gauge scriber, is characterized in that: described locating hole (14) has three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410594696.5A CN104400775A (en) | 2014-10-29 | 2014-10-29 | Hole edge distance scriber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410594696.5A CN104400775A (en) | 2014-10-29 | 2014-10-29 | Hole edge distance scriber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104400775A true CN104400775A (en) | 2015-03-11 |
Family
ID=52638473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410594696.5A Pending CN104400775A (en) | 2014-10-29 | 2014-10-29 | Hole edge distance scriber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104400775A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633625A (en) * | 2020-06-24 | 2020-09-08 | 江阴振宏重型锻造有限公司 | Spiral tensioning type center positioning ruler |
| CN111745615A (en) * | 2020-05-19 | 2020-10-09 | 中建科工集团有限公司 | Welding positioning line tool clamping fixture and scribing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191017716A (en) * | 1910-07-26 | 1911-02-09 | William Edward Bargery | Improvements in and relating to Measuring Rules and the like. |
| CN2197180Y (en) * | 1994-09-09 | 1995-05-17 | 邢政枢 | Multifunctional marking gauge |
| CA2497822A1 (en) * | 2005-01-31 | 2006-07-31 | Donald Joseph Paquette | Drywall ceiling-scriber |
| CN102848372A (en) * | 2012-03-30 | 2013-01-02 | 中国船舶重工集团公司第七○二研究所 | Marking tool |
| CN203357437U (en) * | 2013-06-25 | 2013-12-25 | 南京梅山冶金发展有限公司 | Flange lineation simple tool |
| CN103659787A (en) * | 2013-12-10 | 2014-03-26 | 郑福建 | Edge line pen |
-
2014
- 2014-10-29 CN CN201410594696.5A patent/CN104400775A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191017716A (en) * | 1910-07-26 | 1911-02-09 | William Edward Bargery | Improvements in and relating to Measuring Rules and the like. |
| CN2197180Y (en) * | 1994-09-09 | 1995-05-17 | 邢政枢 | Multifunctional marking gauge |
| CA2497822A1 (en) * | 2005-01-31 | 2006-07-31 | Donald Joseph Paquette | Drywall ceiling-scriber |
| CN102848372A (en) * | 2012-03-30 | 2013-01-02 | 中国船舶重工集团公司第七○二研究所 | Marking tool |
| CN203357437U (en) * | 2013-06-25 | 2013-12-25 | 南京梅山冶金发展有限公司 | Flange lineation simple tool |
| CN103659787A (en) * | 2013-12-10 | 2014-03-26 | 郑福建 | Edge line pen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111745615A (en) * | 2020-05-19 | 2020-10-09 | 中建科工集团有限公司 | Welding positioning line tool clamping fixture and scribing method |
| CN111633625A (en) * | 2020-06-24 | 2020-09-08 | 江阴振宏重型锻造有限公司 | Spiral tensioning type center positioning ruler |
| CN111633625B (en) * | 2020-06-24 | 2023-10-27 | 振宏重工(江苏)股份有限公司 | Spiral tensioning type center positioning ruler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150311 |