CN222627760U - Auxiliary mapping tool for trimming large-size aircraft composite airfoil skin - Google Patents
Auxiliary mapping tool for trimming large-size aircraft composite airfoil skin Download PDFInfo
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- CN222627760U CN222627760U CN202420999409.8U CN202420999409U CN222627760U CN 222627760 U CN222627760 U CN 222627760U CN 202420999409 U CN202420999409 U CN 202420999409U CN 222627760 U CN222627760 U CN 222627760U
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Abstract
本实用新型公开了一种辅助测绘工具，尤其是公开了一种用于大尺寸飞机复材翼面蒙皮修切的辅助测绘工具，属于航空设备生产工艺装备设计制造技术领域。提供一种施工操作方便，画线准确度相对较高的用于大尺寸飞机复材翼面蒙皮修切的辅助测绘工具。所述的辅助测绘工具包括画线器支座、测量组件和笔头支撑固定组件，笔头支撑固定组件在测量组件的配合下活动的布置在画线器支座上；复材翼面蒙皮修切过程中，画线笔头通过笔头支撑固定组件在测量组件和画线器支座的配合下以外部的工装为导向基础在复材翼面蒙皮上绘制修切线及修切后的检测基准线。
The utility model discloses an auxiliary surveying and mapping tool, in particular, an auxiliary surveying and mapping tool for trimming large-sized aircraft composite wing skins, belonging to the technical field of aviation equipment production process equipment design and manufacturing. Provided is an auxiliary surveying and mapping tool for trimming large-sized aircraft composite wing skins, which is convenient to operate and has relatively high line drawing accuracy. The auxiliary surveying and mapping tool comprises a marker support, a measuring assembly and a pen head support and fixing assembly, and the pen head support and fixing assembly is movably arranged on the marker support in cooperation with the measuring assembly; during the trimming of the composite wing skin, the marker pen head draws the trimming line and the detection reference line after trimming on the composite wing skin through the pen head support and fixing assembly in cooperation with the measuring assembly and the marker support with the external tooling as the guide basis.
Description
Technical Field
The utility model relates to an auxiliary mapping tool, in particular to an auxiliary mapping tool for trimming a large-size aircraft composite airfoil skin, and belongs to the technical field of design and manufacture of production process equipment of aviation equipment.
Background
Interpretation of the terms
① Directional indicators, such as upper and lower directional terms, are used to facilitate the description of the relative positional relationship between the components;
② Slip refers to horizontal movement along a datum plane;
③ The measuring, drawing and checking means measuring work, drawing work and drawing self-checking work.
Today, with the rapid development of the aerospace manufacturing industry, tooling devices/tools are used in a large number of applications in the aerospace manufacturing industry. However, during operations such as positioning and hole making of parts and shape repairing, many works cannot be directly realized by using tooling equipment, and manual operation is still an indispensable working mode for realizing design requirements.
In order to better guarantee the manual operation quality, a boeing B737 rudder skin trimming is taken as an example. After the parts are assembled, the skin is trimmed according to the position relation between the skin and the tooling frame, so that the overall appearance size of the product is ensured to meet the theoretical requirement. Before trimming, a trimming reference line is drawn, so that trimming can be more visual, and a detection reference line is drawn, so that the trimmed detection data can be more accurate.
Also exemplified is a boeing B737 rudder skin trimmed, which is 7.3 meters long. The existing manual line drawing method adopts a method of measuring and marking reference points according to technical requirement values and connecting the reference points. Such a line drawing method is cumbersome and cannot ensure the accuracy of line drawing.
The existing line drawing operation is to use a steel plate ruler to measure and mark a reference point on a working surface by an operator, and draw lines through an operation mode of connecting the reference point. The existing line drawing operation scheme has the following defects:
1) The two operations of measuring and marking the reference point and the connecting point for marking the line are inconsistent in selection of the reference and large in marking operation error, so that the marking precision is low;
2) When a line is drawn on the non-planar composite skin manually, the painting brush fluctuates along with the appearance of the part, so that errors of left and right offset of the painting brush are easily caused, and the line drawing precision is further reduced;
3) The operation difficulty of a single person for taking a point and connecting a line is high, and two persons are usually required to finish the operation together;
4) The operation of taking the point and connecting the line is complicated, the efficiency is low.
Disclosure of utility model
The auxiliary mapping tool for trimming the large-size aircraft composite airfoil skin is convenient to construct and operate and relatively high in line drawing accuracy.
The auxiliary mapping tool comprises a marker support, a measuring assembly and a pen point supporting and fixing assembly, wherein the pen point supporting and fixing assembly is movably arranged on the marker support under the cooperation of the measuring assembly, and in the process of trimming the composite airfoil skin, a trimming line and a trimmed detection datum line are drawn on the composite airfoil skin by the pen point supporting and fixing assembly under the cooperation of the measuring assembly and the marker support by taking an external tool as a guiding basis.
Further, the measuring assembly comprises a measuring ruler and an adjustable sliding frame, the measuring ruler is movably arranged on the scriber support through the adjustable sliding frame, and the pen point supporting and fixing assembly is arranged at one end part of the measuring ruler.
The preferred mode of above-mentioned scheme is, and adjustable balladeur train includes balladeur train body and locking screw, is provided with the dipperstick mounting groove on the balladeur train body, and the dipperstick of arranging in the dipperstick mounting groove is loosened and is locked through locking screw, and adjustable balladeur train passes through the adjustable arrangement of balladeur train body position on the line drawing ware support.
Further, the nib support fixed subassembly includes nib stopper, nib supporting shoe and connection fixing bolt, is provided with the spacing hole that suits with the nib drawing line end on the nib stopper, is provided with the supporting hole that suits with the nib body on the nib supporting shoe, and nib stopper and nib supporting shoe pass through the detachable solid dress of connection fixing bolt on adjustable balladeur train, spacing hole and the spatial position of supporting hole mutually support.
The line drawing device support comprises a guide support component and a connecting support component, wherein the connecting support component is fixedly arranged on the guide support component, the measuring component is movably arranged on the connecting support component, and in the composite airfoil skin trimming process, the connecting support component can reciprocate on a tool by taking an external tool as a guide basis through the guide support component, and the measuring component is arranged on the connecting support component.
Further, the guide support assembly comprises a support clamping groove and a limit mounting piece, the connection support assembly is arranged on the outer side of a web plate of the support clamping groove, the limit mounting piece is movably arranged on one flange of the support clamping groove far away from the line drawing pen point, and a sliding gap in the support clamping groove is adjusted under the cooperation of the other flange through the limit mounting piece.
The preferable mode of above-mentioned scheme is, spacing installed part includes a set of briquetting, two sets of connection mounting bolt and two pair of compression springs, and the briquetting is supported in the support draw-in groove through two sets of connection mounting bolt, cup joints each pair of compression spring's on each set of connection mounting bolt both ends respectively with the corresponding side flange top of briquetting and support draw-in groove and connect.
Further, the connecting support assembly comprises a sliding frame mounting clamping groove, a mounting plate and a locking screw, the measuring ruler is arranged on a web plate of the supporting seat clamping groove through the mounting plate, and the locking screw is movably arranged on one flange of the sliding frame mounting clamping groove far away from the line drawing pen point.
The auxiliary plotting tool comprises the marker support, the measuring assembly and the pen point supporting and fixing assembly, and the pen point supporting and fixing assembly is movably arranged on the marker support in a matched mode, so that in the composite airfoil skin trimming process, the line plotting pen point can draw a trimming line on the composite airfoil skin by taking a tool as a guiding basis through the pen point supporting and fixing assembly in the matched mode of the measuring assembly and the marker support. The utility model changes the current situation that the construction operation is inconvenient and the line drawing accuracy is relatively poor because the line drawing is carried out by dotting firstly and then removing the workpiece in the prior art, and the line drawing operation convenience can be greatly improved and the line drawing accuracy is remarkably improved because the line drawing is carried out by supporting the line drawing pen point through the pen point supporting and fixing assembly and the line drawing is carried out by taking the tool as the guiding basis and then removing and trimming the line in one step under the cooperation of the line drawing device support and the measuring assembly.
Drawings
FIG. 1 is a front view of an auxiliary mapping tool for trimming a large-size aircraft composite airfoil skin of the present utility model;
FIG. 2 is a side view of FIG. 1;
FIGS. 3 and 4 are front and side views of a line striper mount of the present utility model for use with an auxiliary mapping tool for trimming a large-size aircraft composite airfoil skin;
FIGS. 5 and 6 are front and side views of an assembly of a measuring assembly and a tip support fixture assembly of the present utility model for an auxiliary mapping tool for trimming a large-size aircraft composite airfoil skin;
Fig. 7 and 8 are front and side views of the auxiliary mapping tool of the present utility model in a line drawing state for trimming a composite airfoil skin of a large-sized aircraft.
The drawing pen point is marked by a drawing pen point 1, a tool 2, a composite airfoil skin 3, a measuring scale 4, a carriage body 5, a locking screw 6, a pen point limiting block 7, a pen point supporting block 8, a connecting fixing bolt 9, a support clamping groove 10, a pressing block 11, a connecting mounting bolt 12, a compression spring 13, a carriage mounting clamping groove 14 and a mounting plate 15.
Detailed Description
The auxiliary mapping tool for trimming the large-size aircraft composite airfoil skin is convenient to construct and operate and relatively high in line drawing accuracy, as shown in fig. 1-8. In the composite airfoil skin trimming process, a trimming line is drawn on a composite airfoil skin 3 by the trimming pen point 1 through the pen point supporting and fixing assembly by taking an external tool 2 as a guiding basis under the cooperation of the measuring assembly and the scriber support. The technical scheme is that the auxiliary mapping tool comprises a line drawing device support, a measuring assembly and a pen point supporting and fixing assembly is designed, and then the pen point supporting and fixing assembly is movably arranged on the line drawing device support under the cooperation of the measuring assembly, so that in the process of trimming the composite airfoil skin, a line drawing pen point can draw a trimming line on the composite airfoil skin through the pen point supporting and fixing assembly under the cooperation of the measuring assembly and the line drawing device support by taking a tool as a guiding basis. The utility model changes the current situation that the construction operation is inconvenient and the line drawing accuracy is relatively poor because the line drawing is carried out by dotting firstly and then removing the workpiece in the prior art, and the line drawing operation convenience can be greatly improved and the line drawing accuracy is remarkably improved because the line drawing is carried out by supporting the line drawing pen point through the pen point supporting and fixing assembly and the line drawing is carried out by taking the tool as the guiding basis and then removing and trimming the line in one step under the cooperation of the line drawing device support and the measuring assembly.
Correspondingly, in order to simplify the structure of each part of the auxiliary plotting tool of the application, the measuring assembly of the application is convenient to manufacture, assemble and use and maintain subsequently, the measuring assembly comprises a measuring ruler 4 and an adjustable sliding frame, the measuring ruler 4 is movably arranged on a line drawing device support through the adjustable sliding frame, and the pen point supporting and fixing assembly is arranged at one end part of the measuring ruler 4. At this time, the adjustable carriage preferably comprises a carriage body 5 and a locking screw 6, a measuring scale installation groove is formed in the carriage body 5, a measuring scale 4 arranged in the measuring scale installation is loosened and locked through the locking screw 6, and the adjustable carriage is arranged on the scriber support in an adjustable position through the carriage body 5. The pen point supporting and fixing assembly comprises a pen point limiting block 7, a pen point supporting block 8 and a connecting and fixing bolt 9, wherein a limiting hole which is suitable for a pen point painting end is formed in the pen point limiting block 7, a supporting hole which is suitable for a pen point pen body is formed in the pen point supporting block 8, the pen point limiting block 7 and the pen point supporting block 8 are detachably and fixedly arranged on an adjustable sliding frame through the connecting and fixing bolt 9, and the spatial positions of the limiting hole and the supporting hole are mutually suitable. The line drawing device support comprises a guide support component and a connecting support component, wherein the connecting support component is fixedly arranged on the guide support component, the measuring component is movably arranged on the connecting support component, and in the composite airfoil skin trimming process, the connecting support component can reciprocate on a tool 2 by taking the tool 2 outside the guide support component as a guide basis, and the measuring component is arranged on the connecting support component. More specifically, the guiding and supporting component comprises a support clamping groove 10 and a limiting and installing piece, wherein the connecting and supporting component is arranged on the outer side of a web plate of the support clamping groove, the limiting and installing piece is movably arranged on one flange of the support clamping groove 10 away from the line drawing pen point 1, and a sliding gap in the support clamping groove 10 is adjusted through the cooperation of the limiting and installing piece and the other flange. At this time, the limiting mounting piece preferably comprises a group of pressing blocks 11, two sets of connecting mounting bolts 12 and two pairs of compression springs 13, wherein the pressing blocks 11 are supported in the support clamping grooves 10 through the two sets of connecting mounting bolts 12, and two ends of each pair of compression springs 13 sleeved on each set of connecting mounting bolts 12 are respectively in propping connection with the pressing blocks 11 and corresponding side flanges of the support clamping grooves 10. The connecting and supporting assembly comprises a carriage mounting clamping groove 14, a mounting plate 15 and a locking screw 6, wherein the measuring ruler 4 is arranged on a web plate of the support clamping groove 10 through the mounting plate 15, and the locking screw 6 is movably arranged on one flange of the carriage mounting clamping groove 14, which is far away from the line drawing pen point 1.
In summary, the auxiliary mapping tool provided by the application solves the following technical problems,
1) The standard is unified, and the basis and the guarantee are provided for line drawing;
2) The accuracy of line drawing operation is improved;
3) The flow is simplified, and the measurement, drawing and inspection are completed in one step.
The technical scheme of the application is further described by the following specific examples:
The technical scheme of the application comprises a line drawing device support, a line drawing device measuring scale and a pen point mounting frame.
Description of the line drawing part:
The relation between the boeing B737 rudder skin and the assembly tool is shown in fig. 7, the skin position is lower than the tool surface, the skin trimming edge is perpendicular to the tool measurement reference surface, the gap between the skin trimming edge and the tool reference surface is narrow, the skin appearance cannot be trimmed on the tool frame, and after the product is moved out of the tool frame, trimming is performed. In order to ensure the trimming size, the trimming work is completed under the rotating frame by drawing a detection datum line and a trimming datum line after trimming by utilizing the position and size relation between the product and the tool before the product is put down.
Description of tool parts:
The line drawing device support is characterized in that the line drawing device support is a tie between a tool and a line drawing device measuring ruler, a support clamping groove is clamped on the tool, the line drawing device is clamped on the tool by utilizing a line drawing device pressing device, the line drawing device measuring ruler is fixed by using a pressing bolt, and a stable and reliable working reference is provided for the line drawing device measuring ruler relative to the tool.
And the line drawing device measuring ruler is used for measuring the clearance value between the tool datum plane and the measured edge of the skin and providing support for line drawing.
Example 1
A) The measuring ruler is placed in a measuring ruler clamping groove of the scriber support, the compression bolt is screwed, the scriber measuring ruler is connected with the scriber support, and when the scriber support slides, the scriber measuring ruler and the scriber support keep the position relationship unchanged all the time.
B) The line drawing device support is clamped on the tool, and under the action of the clamping force of the line drawing device pressing device, the line drawing device support is guaranteed to be clung to the reference surface of the tool and not to fall off, and the line drawing device can slide freely.
C) And (3) tightly attaching the end face of the measuring claw of the measuring ruler to the tool measuring reference surface, and adjusting the measuring ruler to a trimming size after zeroing. In the line drawing process, the line drawing is fixed through the line drawing fixer and the line drawing pen point fixing block, and the line drawing pen point is always pressed on the surface of the skin, so that the line drawing accuracy is ensured.
D) And adjusting the measuring ruler according to the design requirement value, and locking the measuring ruler after reaching the requirement value, so as to ensure that the subsequent operation value is not changed.
E) The line drawing pen point is placed in a hole of a line drawing pen point fixing block on the measuring ruler claw, and after the line drawing pen point is fixed by the line drawing pen fixer, the line drawing pen point slides along with the support, and the process of sliding the support is the line drawing process.
By adopting the above-mentioned operation steps,
1) The tool measurement standard is fully utilized as a standard surface of an auxiliary line drawing tool, so that the standard of measurement, drawing and inspection is unified, and the line drawing precision is ensured;
2) The line drawing process is simplified, and the working efficiency is improved;
3) The testing, drawing and checking are completed in one step, so that the effectiveness of the line drawing operation is ensured, the line drawing error is reduced, and the quality cost is reduced.
Claims (8)
1. The auxiliary mapping tool for trimming the composite wing surface skin of the large-size aircraft is characterized by comprising a marker support, a measuring assembly and a pen point supporting and fixing assembly, wherein the pen point supporting and fixing assembly is movably arranged on the marker support under the cooperation of the measuring assembly, and in the trimming process of the composite wing surface skin, a trimming line is drawn on the composite wing surface skin (3) by the pen point supporting and fixing assembly through the outer tool (2) under the cooperation of the measuring assembly and the marker support and on the basis of guiding.
2. The auxiliary mapping tool for trimming large-size aircraft composite airfoil skins according to claim 1, wherein the measuring assembly comprises a measuring ruler (4) and an adjustable sliding frame, the measuring ruler (4) is movably arranged on a line drawing device support through the adjustable sliding frame, and the pen point supporting and fixing assembly is arranged at one end part of the measuring ruler (4).
3. The auxiliary mapping tool for trimming large-size aircraft composite airfoil skins according to claim 2, wherein the adjustable carriage comprises a carriage body (5) and a locking screw (6), a measuring scale mounting groove is formed in the carriage body (5), a measuring scale (4) arranged in the measuring scale mounting groove is loosened and locked through the locking screw (6), and the adjustable carriage is arranged on a line marker support in an adjustable position through the carriage body (5).
4. The auxiliary mapping tool for trimming large-size aircraft composite airfoil skins according to claim 2 or 3 is characterized in that the nib supporting and fixing assembly comprises a nib limiting block (7), a nib supporting block (8) and a connecting and fixing bolt (9), wherein limiting holes matched with nib painting ends are formed in the nib limiting block (7), supporting holes matched with nib pen bodies are formed in the nib supporting block (8), the nib limiting block (7) and the nib supporting block (8) are detachably fixedly mounted on an adjustable sliding frame through the connecting and fixing bolt (9), and the spatial positions of the limiting holes and the supporting holes are mutually matched.
5. The auxiliary mapping tool for trimming large-size aircraft composite airfoil skins, which is disclosed in claim 4, is characterized in that the scriber support comprises a guide support component and a connecting support component, the connecting support component is fixedly arranged on the guide support component, the measuring component is movably arranged on the connecting support component, and in the process of trimming the composite airfoil skins, the connecting support component can reciprocate on the tool (2) by taking an external tool (2) as a guide basis through the guide support component, and the measuring component is arranged on the connecting support component.
6. The auxiliary mapping tool for trimming large-size aircraft composite airfoil skins according to claim 5, wherein the guide support assembly comprises a support clamping groove (10) and a limiting mounting piece, the connecting support assembly is arranged on the outer side of a web of the support clamping groove, the limiting mounting piece is movably arranged on one flange of the support clamping groove (10) far away from the line drawing pen point (1), and a sliding gap in the support clamping groove (10) is adjusted through the cooperation of the limiting mounting piece on the other flange.
7. The auxiliary mapping tool for trimming large-size aircraft composite airfoil skins according to claim 6, wherein the limiting mounting piece comprises a group of pressing blocks (11), two sets of connecting mounting bolts (12) and two pairs of compression springs (13), the pressing blocks (11) are supported in the support clamping grooves (10) through the two sets of connecting mounting bolts (12), and two ends of each pair of compression springs (13) sleeved on each set of connecting mounting bolts (12) are respectively propped against the pressing blocks (11) and corresponding side flanges of the support clamping grooves (10).
8. The auxiliary mapping tool for trimming large-size aircraft composite airfoil skins according to claim 7, wherein the connecting support assembly comprises a carriage mounting clamping groove (14), a mounting plate (15) and a locking screw (6), the measuring ruler (4) is arranged on a web plate of the support clamping groove (10) through the mounting plate (15), and the locking screw (6) is movably arranged on one flange of the carriage mounting clamping groove (14) far away from the line drawing pen point (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420999409.8U CN222627760U (en) | 2024-05-09 | 2024-05-09 | Auxiliary mapping tool for trimming large-size aircraft composite airfoil skin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420999409.8U CN222627760U (en) | 2024-05-09 | 2024-05-09 | Auxiliary mapping tool for trimming large-size aircraft composite airfoil skin |
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| Publication Number | Publication Date |
|---|---|
| CN222627760U true CN222627760U (en) | 2025-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420999409.8U Active CN222627760U (en) | 2024-05-09 | 2024-05-09 | Auxiliary mapping tool for trimming large-size aircraft composite airfoil skin |
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| Country | Link |
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| CN (1) | CN222627760U (en) |
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- 2024-05-09 CN CN202420999409.8U patent/CN222627760U/en active Active
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