Measurable aviation product standard part hole site marking device

Abstract

The invention belongs to the technical field of aviation assembly, and relates to a rapid scribing tool with a measuring function for aviation, in particular to a device which has a measuring function and can rapidly and accurately scribe the edge distance and the spacing of a standard part on an aviation product structure. The device is simple in structure, easy to implement and operate and low in cost. The marking position is accurate, repeated calculation and measurement are not needed, human errors can be avoided, the labor intensity is reduced, and the product quality is greatly improved. The distance between the working heads can be adjusted according to the edge distance and the distance of the standard part hole site, and the device is suitable for marking of various standard part hole sites with different size requirements. And the device can be used in narrow areas or grooves, can not accurately measure the lineation of the hole site by using a steel ruler, and is wider in application range. The marking device can continuously mark in batches, is suitable for marking a large number of standard parts, reduces labor cost, saves a large amount of time, and greatly improves working efficiency.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of aviation assembly, and relates to a tool for quickly marking lines with a measuring function for aviation, in particular to a device capable of quickly and accurately marking the edge distance of standard parts on the structure of aviation products. BACKGROUND

[0002] When assembling aviation products, a large number of manual marking lines are usually needed to determine the hole positions of standard parts, and these hole positions of standard parts have the characteristics of a large number of holes, high hole position precision requirements, and the same edge distance requirements for the same type of standard parts, and are often arranged equidistantly.

[0003] The prior art uses a manual marking line method to perform marking line work, and the size of each hole position needs to be measured and calculated by an operator with a steel ruler one by one. This is prone to errors due to manual operation, and even causes workpiece out-of-tolerance or even scrap due to measurement or calculation errors. Manual marking also has the disadvantages of slow marking line speed, long marking line time, difficult guarantee of marking line quality, easy fatigue of workers, high requirements for the concentration and carefulness of operators, low production efficiency, and the like. Moreover, the measurement with a steel ruler is limited by the structure, and it is difficult to accurately measure the hole position with a steel ruler in a narrow area or a groove, causing difficulties in marking lines. SUMMARY

[0004] The present application provides a marking line device for aviation product standard part hole positions. The device has the characteristics of a self-measuring function without the need for a steel ruler for measurement. The device can mark the edge distance of standard parts with the same size requirements at one time without repeated adjustment and measurement. The device can also quickly mark the equidistantly arranged standard part hole positions without measurement and calculation one by one. For narrow or groove structures, the device is not limited by the structure and can achieve fast and accurate marking. In addition to accurate marking, the device can also measure the size of positions that cannot be reached by a steel ruler. The device can replace the original manual marking line to avoid marking line errors caused by human factors, improve marking line accuracy and speed, solve the problem of marking line measurement with a steel ruler in a narrow area or a groove, greatly improve work efficiency, and reduce labor intensity.

[0005] According to one aspect of the present application, a measurable aviation product standard part hole line marking device is provided, comprising an L-shaped bracket cylindrical knob 1, a fixed movable support knob 2, a ruler 3, a line marking handle 4, a line marking handle fixing screw hole 4-1, a line marking handle fixing screw 5, an L-shaped bracket 6, an L-shaped bracket working head positioning screw 7, a margin limiting working head 8, a margin limiting working head mounting joint 8-1, a margin limiting working head screw hole 8-2, a margin limiting working head positioning reference working surface 8-3, a movable support 9, a movable support T-shaped slide rail 9-1, a fixed movable support knob screw hole 9-2, a movable support working head fixing screw hole 9-3, a support notch 9-4, a movable support working head positioning screw 10, a line marking pen working head 11, a line marking pen working head mounting joint 11-1, a line marking pen working head screw hole 11-2, a refill fixing cap 12, a refill 13, an L-shaped bracket cross slide rail slot 14, an L-shaped bracket connecting handle screw hole 15, and an L-shaped bracket working head mounting screw hole 16.

[0006] The L-shaped bracket 6 is a main body structure part, connected by two supports of a transverse support and a longitudinal support in an L shape;

[0007] The L-shaped bracket cylindrical knob 1 is arranged vertically above the longitudinal support at the connection of the transverse support and the longitudinal support, to facilitate holding the measurable aviation product standard part hole line marking device by hand for line marking.

[0008] The L-shaped bracket cross slide rail slot 14 is arranged inside the transverse support of the L-shaped bracket 6, and cooperates with the movable support T-shaped slide rail 9-1 to enable the movable support 9 to slide freely along the L-shaped bracket cross slide rail slot 14.

[0009] The movable support 9 has a fixed movable support knob screw hole 9-2 at the top, and the fixed movable support knob 2 is screwed into the fixed movable support knob screw hole 9-2 through the upper slot of the L-shaped bracket cross slide rail slot 14, to lock and define the position of the movable support 9, which can be fixed at a suitable position according to actual requirements.

[0010] The line marking handle 4 is arranged at the end of the transverse support of the L-shaped bracket 6, and is a hand holding part of the measurable aviation product standard part hole line marking device, to facilitate line marking operation; the line marking handle 4 is inserted into the tail of the transverse support of the L-shaped bracket 6, and is connected and fixed by screwing the handle fixing screw 5 into the line marking handle fixing screw hole 4-1 and the L-shaped bracket connecting handle screw hole 15.

[0011] The margin limiting work head 8 has a margin limiting work head mounting joint 8-1 on the upper part, the margin limiting work head mounting joint 8-1 is inserted into the L-shaped support 6 longitudinal support bottom bracket notch 9-4, and then the L-shaped support work head positioning screw 7 is inserted into the margin limiting work head screw hole 8-2 and the L-shaped support work head mounting screw hole 16 to realize the replacement and installation of the work head.

[0012] The margin limiting work head 8 is provided with a margin limiting work head positioning reference work surface 8-3 on the lower part, which is used to clamp the edge of the workpiece to realize the function of accurately marking the required standard part margin.

[0013] The scribing pen work head 11 is used for scribing, and has a slotted metal tube inside, the pen core 13 can be inserted into the slotted metal tube, and then the pen core fixing cap 12 is screwed tightly to fix the pen core 13.

[0014] The pen core 13 is made of one of lead pencil core, metal core and color core.

[0015] The length of the pen core 13 can be adjusted according to actual needs.

[0016] The scribing pen work head 11 has a scribing pen work head mounting joint 11-1 on the upper part, which is inserted into the bracket notch 9-4 of the movable support 9 lower end, and then the movable support work head positioning screw 10 is inserted into the scribing pen work head screw hole 11-2 and the movable support work head fixing screw hole 9-3 to connect the movable support 9 and the scribing pen work head 11.

[0017] The L-shaped support 6 has a ruler 3 on the transverse support, which takes the middle position of the longitudinal support as the origin of the scale, and the distance between the margin limiting work head 8 and the scribing pen work head 11 can be measured by the relative position of the ruler 3 and the middle position scale line of the movable support 9, so that the required distance can be quickly and accurately adjusted to mark the standard part margin meeting the technical requirements.

[0018] The range of the ruler 3 can be selected according to actual needs.

[0019] The margin limiting work head 8 can be replaced by the scribing pen work head 11, at this time the measurable aviation product standard part hole marking device has two scribing pen work heads 11, and the distance between the two scribing pen work heads 11 can be adjusted according to the ruler 3, so that the distance between the standard parts arranged at equal intervals can be quickly marked.

[0020] The margin limiting work head 8 installed below the L-shaped support 6 is replaced by the scribing pen work head 11. The work head is replaced by connecting the L-shaped support work head mounting screw hole 16 and the scribing pen work head screw hole 11-2 through the L-shaped support work head positioning screw 7.

[0021] The refill 13 of the line marking pen working head 11 installed on the L-shaped support 6 is made of metal, so that it has certain supporting force and is convenient for positioning as a line marking reference.

[0022] The specific use method is as follows:

[0023] Step one, assemble the device;

[0024] Step two, loosen the fixed movable support knob 2 and slide the movable support 9. According to the required edge distance of the standard part, adjust the position of the middle position scale line on the movable support 9 according to the scale on the scale 3 to ensure that the distance between the edge distance limiting working head 8 and the line marking pen working head 11 meets the requirements (one line marking pen working head 11), or according to the required spacing of the standard part, adjust the position of the middle position scale line on the movable support 9 according to the scale on the scale 3 to ensure that the distance between the line marking pen working head 11 below the L-shaped support 6 and the line marking pen working head 11 below the movable support 9 meets the requirements (two line marking pen working heads 11). After adjusting the position, tighten the fixed movable support knob 2;

[0025] Step three, the edge distance limiting working head positioning reference working surface 8-3 of the edge distance limiting working head 8 of the device is attached to the edge of the side surface workpiece (one line marking pen working head 11), or the line marking pen working head 11 below the L-shaped support 6 of the device is aligned with the spacing line starting point (two line marking pen working heads 11), and the line marking pen working head 11 below the movable support 9 is vertically dropped on the workpiece surface;

[0026] Step four, the edge distance limiting working head positioning reference working surface 8-3 of the device is attached to the edge of the side surface workpiece along the required standard part edge distance, and the line marking pen working head 11 below the movable support 9 will accurately draw the edge distance line of the standard part on the workpiece (one line marking pen working head 11). Or take the line marking pen working head 11 below the L-shaped support 6 of the device as the origin, rotate the line marking handle 4, and the line marking pen working head 11 below the movable support 9 will draw the intersection on the edge distance line, that is, draw the spacing of the standard part (two line marking pen working heads 11);

[0027] Step five, repeat steps three and four to continuously draw multiple standard part edge distance lines or spacing lines with the same size requirements. The working head distance can also be adjusted according to different size requirements, and then the line can be drawn;

[0028] Step six, disassemble the device and perform subsequent work.

[0029] The beneficial effects of the present application are:

[0030] Firstly, the tool structure used in the present application is simple, easy to realize, easy to operate and low in cost.

[0031] Second, the marking position of the method of the present invention is accurate, and there is no need for repeated calculation and measurement, which can avoid human errors, reduce labor intensity, and greatly improve product quality.

[0032] Third, the tool used in this invention features a built-in measuring scale that allows adjustment of the work head spacing based on the hole margins and spacing of standard parts, making it suitable for marking holes on a variety of standard parts with varying dimensions. Furthermore, it can be used to mark holes in narrow areas or grooves where a steel ruler cannot accurately measure the hole position, extending the device's applicability to a wider range of applications.

[0033] Fourth, the tool used in the present invention can perform batch continuous marking work, and is suitable for work involving marking a large number of standard parts, thereby reducing labor costs, saving a lot of time, and greatly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 A schematic diagram of the device having a marking pen working head;

[0035] Figure 2 It is a schematic diagram of an L-shaped bracket;

[0036] Figure 3 Schematic diagram of the movable bracket;

[0037] Figure 4 Schematic diagram of the bracket notch;

[0038] Figure 5 This is a schematic diagram of the marking handle;

[0039] Figure 6 Schematic diagram of positioning the work head for margin;

[0040] Figure 7 This is a schematic diagram of the working head of the marking pen;

[0041] Figure 8 It is a schematic diagram of the device with two marking pen working heads.

[0042] Wherein, 1 is the L-shaped support cylindrical knob, 2 is the fixed movable support knob, 3 is the scale, 4 is the scribing handle, 4-1 is the scribing handle fixing screw hole, 5 is the scribing handle fixing screw, 6 is the L-shaped support, 7 is the L-shaped support working head positioning screw, 8 is the edge distance limiting working head, 8-1 is the edge distance limiting working head mounting connector, 8-2 is the edge distance limiting working head screw hole, 8-3 is the edge distance limiting working head positioning reference working surface, 9 is the movable support, 9-1 is the movable support T-shaped sliding rail, 9-2 is the fixed movable support knob screw hole, 9-3 is the movable support working head fixing screw hole, 9-4 is the support notch, 10 is the movable support working head positioning screw, 11 is the scribing pen working head, 11-1 is the scribing pen working head mounting connector, 11-2 is the scribing pen working head screw hole, 12 is the pen core fixing cap, 13 is the pen core, 14 is the L-shaped support cross-shaped sliding rail slot, 15 is the L-shaped support connecting handle screw hole, and 16 is the L-shaped support working head mounting screw hole. DETAILED DESCRIPTION

[0043] The present application will be described in detail below with reference to examples, but the present application is not limited to these examples.

[0044] Example 1

[0045] The edge distance of the rivet hole of the flat conical head rivet HB6298-5x12 is scribed on 40 stringers of an aviation product.

[0046] In combination Figures 1 to 7 It is explained that the size of the key component in the device is: the size of the flat conical head rivet HB6298-5x12 rivet diameter D is 5mm.

[0047] According to the aviation general standard, the calculation formula of the edge distance L1 of the rivet hole is:

[0048] L1=2D (1)

[0049] Wherein, L1 is the edge distance of the rivet hole, and D is the diameter of the rivet.

[0050] According to formula (1), the edge distance L1 of the flat conical head rivet HB6298-5x12 rivet hole is calculated as 2x5mm=10mm, and the tolerance of the edge distance is (+2mm, -1mm). It is calculated that:

[0051] The maximum edge distance of the rivet is: 10mm+2mm=12mm;

[0052] The minimum edge distance of the rivet is: 10mm-1mm=9mm;

[0053] Therefore, the distance between the edge distance limiting working head 8 and the scribing pen working head 11 should be adjusted to 10mm, which can meet the tolerance requirement.

[0054] Step one, assemble the device (with a scribe head);

[0055] Step two, according to the calculation of the flat taper head rivet HB6298-5x12 rivet hole margin L1=10mm, according to the scale on the scale 3, adjust the position of the middle position scale line on the movable support 9, make the scale line align with the 10mm line on the scale 3, to ensure the distance between the margin limiting working head 8 and the scribe head 11 is 10mm, after adjusting the position, tighten the movable support knob 2;

[0056] Step three, the margin limiting working head positioning reference surface 8-3 of the lower part of the margin limiting working head 8 of the device is attached to the edge of the side surface workpiece, and the scribe head 11 under the movable support 9 falls vertically on the surface of the workpiece;

[0057] Step four, the margin limiting working head positioning reference surface 8-3 of the device is attached to the edge of the workpiece along the standard part margin of the workpiece, and the scribe head 11 under the movable support 9 will accurately draw the margin line of the standard part on the workpiece;

[0058] Step five, repeat steps three and four to continuously draw 40 rivet hole margins of long stringer flat taper head rivet HB6298-5x12;

[0059] Step six, disassemble the device and perform subsequent work.

[0060] Example 2

[0061] Draw 120 hexagonal head bolts HB1-105-6x16 standard part spacings on the aviation product edge strip, according to the drawing requirement, the spacing of 120 hexagonal head bolts HB1-105-6x16 is required to be 24mm, and the bolt spacing tolerance is (+1mm, -1mm).

[0062] Combined Figure 8 It is explained that the key component size of the device designed according to scheme two is:

[0063] The drawing requires that the spacing of 120 hexagonal head bolts HB1-105-6x16 is required to be 24mm, and the tolerance is (+1mm, -1mm). Calculation shows that:

[0064] The maximum spacing of the bolt is: 24mm+1mm=25mm;

[0065] The minimum spacing of the bolt is: 24mm-1mm=23mm;

[0066] Therefore, the distance between the scribe head 11 under the L-shaped support 6 and the scribe head 11 under the movable support 9 is adjusted to 24mm, which can ensure that the tolerance requirement is met.

[0067] Step 1: Assemble the device (with two marking pen working heads);

[0068] Step 2. According to the drawing requirements, the spacing of 120 hexagonal head bolts HB1-105-6×16 is required to be 24mm. Adjust the position of the scale line in the middle position on the movable bracket 9 according to the scale on the ruler 3, so that the scale line is aligned with the 24mm line on the ruler 3 to ensure that the distance between the marking pen working head 11 under the L-shaped bracket 6 and the marking pen working head 11 under the movable bracket 9 is 24mm, and then tighten the movable bracket knob 2.

[0069] Step 3: Align the marking pen head 11 below the L-shaped bracket 6 of the device with the starting point of the spacing marking, and let the marking pen head 11 below the movable bracket 9 fall vertically on the workpiece surface;

[0070] Step 4: Using the marking pen head 11 below the L-shaped bracket 6 of the device as the origin, rotate the marking handle 4, and the marking pen head 11 below the movable bracket 9 marks the intersection on the margin line, that is, marks the bolt hole position line with a standard part spacing of 24mm;

[0071] Step 5: Using the newly marked bolt hole line as the marking origin, repeat steps 3 and 4 to continuously mark bolt hole lines with a spacing of 24 mm.

[0072] Step 6: Remove the device and proceed with subsequent work.

[0073] Table 1 shows the comparison of the effects of Example 2 of the present invention and other standard parts hole marking methods.

[0074] Table 1

[0075] Manual scribing The present invention Scribing accuracy 60％～70％ 99％～100％ Working time (minutes) 120 3 Labor intensity High Low

[0076] Example 3

[0077] Mark out the spacing between hexagonal high-shear rivets HB1-604-5×9 in the 30 grooves of the aviation product frame. The groove length is 40mm, and each groove contains two rivets with a spacing of 20mm. If a steel ruler is used to mark the lines, the steel ruler cannot be inserted into the groove due to space limitations, resulting in large marking errors and even the risk of exceeding the tolerance.

[0078] Combine Figure 8 Description: According to the second scheme, the dimensions of key components in the design device are:

[0079] The rivet hole spacing requirement for hexagonal high shear rivets HB1-604-5×9 is 20mm, and the rivet spacing tolerance is (+1.5mm, -1.5mm). Calculation results show that:

[0080] The maximum spacing between rivets is: 20mm+1.5mm=21.5mm;

[0081] The minimum distance of the rivet is 20mm-1.5mm=18.5mm;

[0082] Therefore, the distance between the line marker working head 11 under the L-shaped support 6 and the line marker working head 11 under the movable support 9 is adjusted to 20mm, which can ensure that the tolerance requirement is met.

[0083] Step one, assemble the device (with two line marker working heads);

[0084] Step two, according to the drawing requirement that the distance between the rivet holes of the hexagonal high-shear rivet HB1-604-5x9 is 20mm, adjust the position of the middle position scale line on the movable support 9 according to the scale on the scale 3, so that the scale line is aligned with the 20mm line on the scale 3, so that the distance between the line marker working head 11 under the L-shaped support 6 and the line marker working head 11 under the movable support 9 is 20mm, and then tighten the movable support knob 2.

[0085] Step three, align the line marker working head 11 under the L-shaped support 6 of the device with the starting point of the distance line, and vertically drop the line marker working head 11 under the movable support 9 on the surface of the workpiece;

[0086] Step four, taking the line marker working head 11 under the L-shaped support 6 of the device as the origin, rotate the line marker handle 4, and the line marker working head 11 under the movable support 9 draws an intersection on the margin line, that is, a rivet hole position line with a standard distance of 20mm;

[0087] Step five, in this way, steps three and four can be repeated to continuously draw 30 rivet hole position lines with a distance of 20mm in the recess;

[0088] Step six, disassemble the device and perform subsequent work.

[0089] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can make several modifications or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A measurable hole marking device for standard parts of aviation products, characterized in that: The invention comprises an L-shaped bracket cylindrical knob (1), a fixed movable bracket knob (2), a ruler (3), a marking handle (4), a marking handle fixing screw hole (4-1), a marking handle fixing screw (5), an L-shaped bracket (6), an L-shaped bracket working head positioning screw (7), a margin limiting working head (8), a margin limiting working head mounting joint (8-1), a margin limiting working head screw hole (8-2), a margin limiting working head positioning reference working surface (8-3), a movable bracket (9), a movable bracket T-shaped slide rail (9 -1), a screw hole for fixing the movable bracket knob (9-2), a screw hole for fixing the movable bracket working head (9-3), a bracket notch (9-4), a positioning screw for the movable bracket working head (10), a marking pen working head (11), a marking pen working head mounting joint (11-1), a screw hole for the marking pen working head (11-2), a refill fixing cap (12), a refill (13), an L-shaped bracket cross slide rail groove (14), a screw hole for connecting the L-shaped bracket handle (15), and a screw hole for mounting the L-shaped bracket working head (16).

2. The measurable hole marking device for standard parts of aviation products according to claim 1, characterized in that: The L-shaped bracket (6) is the main structural part, and is connected in an L-shape by two pillars, a transverse pillar and a longitudinal pillar; An L-shaped bracket cylindrical knob (1) is provided just above the longitudinal strut at the connection between the transverse strut and the longitudinal strut, so as to facilitate marking with the handheld measurable aviation product standard part hole marking device.

3. The measurable hole marking device for aviation product standard parts according to claim 1, characterized in that: An L-shaped bracket cross slide groove (14) is provided inside the transverse support of the L-shaped bracket (6), which cooperates with the movable bracket T-shaped slide rail (9-1) to enable the movable bracket (9) to slide freely along the L-shaped bracket cross slide groove (14); The top of the movable bracket (9) is provided with a screw hole (9-2) for fixing the movable bracket knob. The movable bracket knob (2) is screwed into the screw hole (9-2) for fixing the movable bracket knob through the upper notch of the L-shaped bracket cross rail groove (14) to lock and limit the position of the movable bracket (9). A suitable position can be selected for fixing according to actual requirements.

4. The measurable hole marking device for aviation product standard parts according to claim 1, characterized in that: The end of the transverse support of the L-shaped bracket (6) is provided with a marking handle (4), which is the hand-held part of the measurable aviation product standard part hole marking device for performing marking operations; the marking handle (4) is inserted into the tail of the transverse support of the L-shaped bracket (6), and the marking handle (4) is connected and fixed by screwing the handle fixing screw 5 into the marking handle fixing screw hole (4-1) and the L-shaped bracket connecting handle screw hole (15).

5. The measurable hole marking device for aviation product standard parts according to claim 1, characterized in that: The margin limiting working head (8) has a margin limiting working head mounting joint (8-1) on its upper portion, and the margin limiting working head mounting joint (8-1) is inserted into the bracket notch (9-4) at the bottom of the longitudinal bracket of the L-shaped bracket (6), and then the L-shaped bracket working head positioning screw (7) is inserted into the margin limiting working head screw hole (8-2) and the L-shaped bracket working head mounting screw hole (16) to achieve replacement and installation of the working head; A margin limiting working head positioning reference working surface (8-3) is provided at the lower part of the margin limiting working head (8) for clamping the edge of the workpiece to achieve the function of accurately marking out the required standard part margin.

6. The measurable hole marking device for aviation product standard parts according to claim 1, characterized in that: The marking pen working head (11) is used for marking, and has a metal thin tube with grooves on both sides inside, into which the pen core (13) can be inserted and then tightened and fixed with the pen core fixing cap (12); The material of the pen core (13) is selected from one of a pencil core, a metal core, and a colored pen core; The length of the pen core (13) can be adjusted according to actual needs; The marking pen working head (11) is provided with a marking pen working head mounting joint (11-1) on the upper part, which is inserted into the bracket notch (9-4) at the lower end of the movable bracket (9), and the movable bracket working head positioning screw (10) is screwed into the marking pen working head screw hole (11-2) and the movable bracket working head fixing screw hole (9-3) to connect the movable bracket (9) and the marking pen working head (11).

7. The measurable hole marking device for aviation product standard parts according to claim 1, characterized in that: The transverse bracket of the L-shaped bracket (6) is provided with a ruler (3) with the middle position of the longitudinal bracket as the scale origin; through the relative position of the ruler (3) and the scale line at the middle position on the movable bracket (9), the distance between the margin limit working head (8) and the marking pen working head (11) can be measured, so as to achieve rapid and accurate adjustment of the desired distance and mark the standard part margin that meets the technical requirements.

8. The measurable hole marking device for aviation product standard parts according to claim 1, characterized in that: The measuring range of the scale (3) can be selected according to actual needs.

9. The measurable hole marking device for aviation product standard parts according to claim 1, characterized in that: The margin limiting working head (8) can be replaced with a marking pen working head (11). In this case, the measurable aviation product standard part hole marking device has two marking pen working heads (11). By adjusting the distance between the two marking pen working heads (11) according to the ruler (3), the spacing of the equally spaced standard parts can be quickly marked.

10. The measurable hole marking device for aviation product standard parts according to claim 9, characterized in that: The pen core (13) of the marking pen working head (11) installed on the L-shaped bracket (6) adopts a metal pen core.

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