CN113146563B - Hole site marking tool and method for marking hole sites on assembly - Google Patents
Hole site marking tool and method for marking hole sites on assembly Download PDFInfo
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- CN113146563B CN113146563B CN202110271349.9A CN202110271349A CN113146563B CN 113146563 B CN113146563 B CN 113146563B CN 202110271349 A CN202110271349 A CN 202110271349A CN 113146563 B CN113146563 B CN 113146563B
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- marker
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- locator
- magnet
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- 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
Abstract
The present invention relates to a hole site marking tool and a method of marking hole sites on a fitting. The hole site marking tool includes a hole locator having a locator magnet and a hole marker having a marker magnet and a marker member. The locator magnet includes a locator proximal surface facing the pre-marking surface of the fitting, the locator magnet having a circular shape with a locator central bore through which the pre-marking in the pre-marking surface is visible. The marker magnet includes a marker proximal surface facing the surface to be marked of the mount, the marker magnet having a circular ring shape with a marker central aperture. The marking member includes a proximal end facing the surface to be marked of the fitting and a distal end opposite the proximal end, the marking member being disposed in the marker central bore and axially movable relative to the marker magnet such that the proximal end of the marking member leaves a hole site correspondence mark in the surface to be marked of the fitting at a location corresponding to the reserved mark. The hole site marking tool described above is used in a method of marking hole sites on a fitting.
Description
Technical Field
The present invention relates to a hole site marking tool for marking holes in a fitting and a method of marking holes in a fitting, and in particular to a tool capable of marking holes in a front surface of a fitting, which may be a pair of parts or other number of parts, to a back surface of the fitting. Such a tool is used in particular for the assembly of two parts on an aircraft.
Background
When two or more parts on the aircraft have an assembly relationship, a drawing generally only shows the hole position information of a fastener on one part, and in actual operation on site, the hole is marked on the part with the hole position information according to the drawing requirement, then the hole is marked on the other part through other reference surfaces, lines and the like, whether the hole is too close to the edge of the part or is in a chamfering area of the part is checked, and the hole making operation is carried out after the checking is completed.
For the parts A and B shown in FIG. 1, after the parts A and B are positioned as shown in FIG. 1, the edge distance D of the assembly hole on the part A is given on the drawing, after the hole site is marked according to D, the distance H1 of the hole from the outer bottom edge of the part A can be further obtained, if the thickness of the outer side wall of the part is H, the distance H2 of the hole on the inner bottom edge of the part A can be calculated through H1-H, the projection position of the hole on the other side of the assembly can be marked according to H2, the edge distance D of the hole on the part B is further obtained, and if D meets the requirement, hole making can be carried out.
The method is suitable for the condition that the assembly parts are small, reference surfaces and lines capable of transmitting hole positioning information are arranged between the assembly parts, and when large-size parts are assembled, the reference surfaces and lines capable of projecting holes on one side of the assembly parts to the other side are often not found due to the size limitation of the parts, the assembly space limitation and the like.
As shown in fig. 2, the skins a and B are assembled, holes need to be made in the rivet area of the region a in the drawing, the margin D of the fastener holes on the skin a and the distance L between two rows of fasteners are given on the drawing, the positions of the F rows of holes can be theoretically marked at the side of the skin B according to the edge line of the skin a and the value of d+l, and then the margin D of the F rows of holes at the side of the skin B is obtained. When the edge distance d of the F row holes on one side of the skin B cannot be known, once the actual and theoretical overlap joint quantity W of the skin is in error, the edge distance d of the F row holes on the skin B cannot be ensured. In practice, the production site is subject to a number of out-of-tolerance phenomena.
Disclosure of Invention
To this end, in order to solve the above technical problems in the prior art, according to an aspect of the present invention, there is provided a hole site marking tool for marking a hole site of a fitting including a pre-marking surface having a reserved mark of the hole site and a surface to be marked of the hole site to be marked, wherein the hole site marking tool includes a hole locator and a hole marker.
The hole locator includes a locator housing and a locator magnet disposed within the locator housing and including a locator proximal surface facing the pre-marking surface of the fitting, the locator magnet having a circular shape with a locator center hole through which the pre-marking in the pre-marking surface can be visualized.
The hole marker includes a marker housing, a marker magnet, and a marker member. A marker magnet disposed within the marker housing and including a marker proximal surface facing the surface to be marked of the fitting, the marker magnet having a circular ring shape with a marker center hole; the marking member includes a proximal end facing the surface to be marked of the fitting and a distal end opposite the proximal end, the marking member being disposed in the marker central bore and axially movable relative to the marker magnet such that the proximal end of the marking member is capable of leaving a hole site correspondence mark in the surface to be marked of the fitting at a location corresponding to the reserved mark.
Wherein the locator magnet and the marker magnet are heteropolar with respect to each other.
Preferably, on the basis of the technical scheme, the hole positioner comprises an alignment member fixedly connected with the hole positioner and used for aligning reserved marks of the hole sites.
Preferably, on the basis of the technical scheme, the alignment member comprises a plurality of fixedly connected pointers, the pointers are intersected at an intersection point, and the intersection point can be aligned with the reserved mark.
Preferably, on the basis of the above technical solution, the plurality of pointers includes three pointers.
Wherein, the intersection point and the center hole of the locator are coaxially arranged.
Preferably, in accordance with the above aspect, the hole marker includes a moving member movably connected to the marker housing, the moving member axially protruding from the marker housing toward the surface to be marked of the fitting such that the moving member can move on the surface to be marked of the fitting.
Preferably, on the basis of the above-mentioned solution, the moving member comprises three rolling bearings uniformly distributed along the circumference of the marker housing, such that the rolling bearings axially protrude out of the marker magnet and are movable on the surface to be marked of the assembly.
Preferably, on the basis of the above-mentioned solution, the rolling bearing is configured such that a point contact is made between the hole marker and the surface to be marked of the fitting.
Preferably, on the basis of the above technical solution, the marking member includes a marker and a biasing spring.
The marker includes a marker head at a proximal end and a button end at a distal end.
The biasing spring is configured to bias the marker distally such that the marker head axially retracts the moving member away from a surface to be marked of the fitting, and when the button end is axially depressed, the marker moves axially toward the proximal end such that a portion of the marker head extends out of the moving member.
Wherein the marking head of the marking member is coaxially disposed with the central bore of the marker.
Preferably, in accordance with the above aspect, the marking head comprises a replaceable fibre ink pen tip.
Preferably, on the basis of the above technical solution, the locator housing comprises a locator contact wall and a locator handle.
The locator contact wall covers a locator proximal surface of the locator magnet and includes a contact surface that is capable of conforming to a pre-marking surface of the fitting.
The locator handle facilitates grasping of the hole locator.
Preferably, in accordance with the above aspect, the locator magnet further comprises a locator distal surface opposite the locator proximal surface, the alignment member is fixedly attached to the locator magnet or the locator housing, and the intersection of the alignment members is adjacent the locator distal surface of the locator magnet.
Preferably, on the basis of the above technical solution, the locator magnet and the marker magnet have the same shape and are made of the same material.
In order to solve the above technical problems in the prior art, according to another aspect of the present invention, there is also provided a method for marking hole sites on a fitting using the hole site marking tool defined in the above technical scheme, wherein the method includes the steps of:
a. placing the hole locator on a pre-marking surface of the assembly with a reserved mark of a hole site and attaching the hole locator to the pre-marking surface;
b. placing a hole marker on the surface to be marked of the assembly, and attaching the hole marker to the surface to be marked of the assembly corresponding to the hole locator under the action of magnetic force of a locator magnet of the hole locator of the opposite pole and a marker magnet of the hole marker, wherein the annular shapes of the locator magnet and the marker magnet enable the locator magnet and the marker magnet to be centered with each other;
c. so that the center of the locator center hole of the hole locator corresponds to the reserved mark; and
d. the marking member of the hole marker is axially pressed towards the surface to be marked such that the marking member is axially moved towards the proximal end, the proximal end of the marking member protruding beyond the marker proximal surface of the marker magnet to leave a hole site corresponding mark in the surface to be marked at a position corresponding to the reserved mark.
Preferably, on the basis of the above technical solution, the hole positioner includes an alignment member defined in the above technical solution, and the step c further includes a reserved mark for aligning the alignment member with the hole site.
Preferably, step c occurs before step b on the basis of the above technical solution.
Preferably, on the basis of the above technical solution, in step c: the hole positioner is attached to the pre-marking surface of the assembly and moves, and the hole marker is attached to the surface to be marked of the assembly and moves under the action of magnetic force, so that the alignment member is aligned with the pre-marking of the hole site.
Drawings
FIG. 1 is a schematic illustration of a prior art assembly in which hole positioning may be performed by calculating a marking of a back hole;
FIG. 2 is a schematic illustration of a prior art assembly that does not permit hole location by calculating a marked back hole;
FIG. 3 is an exploded perspective view of a hole site marking tool for marking a fitting hole site in accordance with the present invention;
FIG. 4 is a schematic perspective view of a hole site marking tool marking a fitting hole site in accordance with the present invention, showing the appearance of the hole locator and hole marker;
FIG. 5 is a front view of a hole site marking tool marking the hole site of a fitting in accordance with the present invention in use, with the fitting shown in cross-section;
FIG. 6 is a schematic illustration of the backside hole marker force applied, as in FIG. 5;
FIG. 7 illustrates one embodiment of a hole marker of the hole marking tool of the marking assembly hole site shown in FIG. 4, showing a rolling ball bearing thereon with the hole marker as a rear hole marker;
FIG. 8 illustrates one embodiment of a hole locator of the hole location marking tool of the marking assembly hole location shown in FIG. 4, showing a schematic view of hole location with the hole locator as a front hole locator;
fig. 9 is a perspective view, partially in cross-section, of the hole marking tool of the hole marking assembly hole of fig. 5, showing a schematic drawing of marking with the hole marker as a back hole marker.
List of reference numerals in the figures in technical solutions and embodiments:
a 1-hole locator comprising:
a 10-positioner housing comprising:
a 101-positioner contact wall having a contact surface,
102-a handle of the positioner,
11-locator magnet comprising:
a central hole of the 111-type locator,
the proximal surface of the 11 a-positioner,
11 b-the distal surface of the positioner,
-an alignment member comprising:
12-pointer;
a 2-hole marker, comprising:
a 20-marker housing comprising:
201-the opening of the marker,
a 21-marker magnet comprising:
211-the central hole of the marker,
21 a-the proximal surface of the marker,
21 b-the distal surface of the marker,
a 22-indicia member comprising:
221-marker, comprising:
221 a-a marking head,
221 b-a button end,
222-a biasing spring,
23-motion member comprising:
a 23 a-a rolling bearing,
23 b-a rolling bearing, which is arranged on the outer surface of the bearing,
23 c-rolling bearings; and
a 3-fitting, comprising:
31-a marking surface, comprising a reserved mark,
32-the surface to be marked, including the hole site correspondence mark.
Detailed Description
The present invention will be further described with reference to the drawings and examples to more clearly illustrate the inventive principles and advantageous technical effects of the present invention.
The terminology used herein for the convenience of describing the invention is described below:
near: a face or end proximal to or facing the fitting;
far: a face or end facing away from or facing away from the fitting;
front face: in the embodiments illustrated in the specification, the front face is the indicia surface of the fitting, and in other embodiments may also be referred to as the back face:
back surface: in the illustrated embodiment, the face opposite the front face may also be referred to as the front face opposite the back face in other embodiments.
Fig. 3 and 4 show a tool for marking the hole position on the back side of a fitting 3 according to the invention, i.e. a hole position marking tool, comprising in this embodiment: the back hole marker, hole marker 2, and the front hole marker, hole marker 1. The hole locator 1 is internally provided with one strong magnet, namely a locator magnet 11, and the hole marker 2 is internally provided with the other strong magnet, namely a marker magnet 21. The exposed surfaces of the two strong magnets, i.e., the positioner magnet 11 and the marker magnet 21, are respectively N and S poles or S and N poles.
The hole marking tool according to the invention is used for marking the hole of a fitting 3, which fitting 3 is a pair of parts to be fastened in the example shown in fig. 5, the hole being not marked in the figure, the hole being in the figure substantially in the centre of the locator magnet 11. As shown in fig. 6, the fitting 3 includes a pre-marking surface 31 of the reserved mark having hole sites and a surface 32 to be marked of the hole sites to be marked opposite the back of the mark.
As shown in fig. 4, the hole marking tool includes a hole locator 1, a hole marker 2, and an alignment member. The hole locator 1 includes a locator housing 10 and a locator magnet 11, and the hole marker 2 includes a marker housing 20, a marker magnet 21, and a marker member 22.
As shown in fig. 8 and 9, the locator magnet 11 is disposed within the locator housing 10 and includes a locator proximal surface 11a facing the pre-marking surface 31 of the fitting 3 and a locator distal surface 11b opposite the locator proximal surface 11a and remote from the pre-marking surface 31 of the fitting 3, the locator magnet 11 having a circular shape with a locator central bore 111 through which the pre-marking of the hole site in the pre-marking surface 31 is visible. Preferably, the marker housing 10 includes a marker opening 201 toward the back of the fitting 3 such that the marker housing 10 is open to the fitting 3, and the marker magnet 21 is received within the marker opening 201.
The marker magnet 21 provided in the marker housing 20 includes a marker proximal surface 21a facing the surface to be marked 32 of the fitting 3 and a marker distal surface 21b facing the marker proximal surface 21a and facing away from the surface to be marked 32 of the fitting 3, the marker magnet 21 having a circular ring shape with a marker center hole 211.
The marking member 22 comprises a proximal end facing the surface 32 to be marked of the fitting 3 and a distal end opposite to the proximal end, the marking member 22 being arranged in the marker central bore 211 and being axially movable relative to the marker magnet 21 such that the proximal end of the marking member 22 is capable of leaving a hole site corresponding mark in the surface 32 to be marked of the fitting 3 at a position corresponding to the reserved mark.
As shown in fig. 8, the alignment member is fixedly connected to the hole locator 1 for aligning the reserved marks on the side of the fitting 3 having the hole site. Preferably, the alignment member is fixedly connected to the locator magnet 11 or the locator housing 10. One example of an alignment member includes a plurality of fixedly connected pointers 12, the plurality of pointers 12 meeting at a meeting point adjacent the locator distal surface 11b of the locator magnet 11, and the meeting point being capable of aligning the preformed indicia. Preferably, the plurality of pointers 12 includes three pointers 12, wherein the junction is coaxially disposed with the locator central bore 111. In the example shown in fig. 8, 3 pointers 12 are designed on the hole positioner 1 on the front face of the tool, the positions pointed by the 3 pointers 12 can be observed through the reserved hole on the hole positioner 1 on the front face, namely the central hole of the positioner magnet 11, and the 3 pointers 12 are configured to lead the 3 pointers 12 to be pointed to the centers of the hole positions already drawn on the front face of the assembly 3 when the hole positioner 1 is placed, so that the positioning of the hole positioner 1 on the front face part of the tool can be completed.
As shown in fig. 7, the hole marker 2 includes a moving member 23 connected to the marker housing 20, the moving member 23 axially protruding from the marker housing 20 toward the surface to be marked 32 of the fitting 3 such that the moving member 23 can move on the surface to be marked 32 of the fitting 3. In the example shown in fig. 7, the moving member 23 includes three rolling bearings 23a,23b,23c uniformly distributed along the circumferential direction of the marker housing 20 such that the rolling bearings 23a,23b,23c axially protrude at least a part of the marker magnet 21 so as to be capable of rolling on the surface 32 to be marked of the fitting 3. The number of rolling bearings may be other than three. The moving member 23 may be replaced with other forms of moving members, such as a sliding member. The moving member 23 may also be an unnecessary member, i.e. the hole marker 2 is not provided with such a moving member 23. For the roughened surface to be marked 32 of the fitting 3, the rolling bearings 23a,23b,23c are preferably configured such that point contact is made between the hole marker 2 and the surface to be marked 32 of the fitting 3, e.g. the rolling bearings 23a,23b,23c are ball bearings. And the hole locator 1 on the front surface of the tool is in surface contact with the fitting 3 after being attached to the front surface.
As shown in fig. 3, opposite ends of the locator magnet 11 and the marker magnet 21 facing each other are heteropolar to each other, so that the locator magnet 11 and the marker magnet 21 attract each other. As in the example shown in fig. 3, the locator magnet 11 and the marker magnet 21 have the same shape, both of which are annular and made of the same material.
In the example shown in fig. 6, the locator magnet 11 and the marker magnet 21 mounted in the hole locator 1 on the front side and the hole marker 2 on the back side of the hole marking tool, respectively, are strong magnets, for example, neodymium iron boron, and the opposite poles are opposite. The magnetic energy product of a typical strong magnet is about: 410KJ/m 3 The material density is about: 7.5g/cm 3 The strong magnet used in this example has a diameter of about 8.5mm and a thickness of about 6.0mm, and it is calculated that the attractive force F0 generated by the bonding surface is about: 280N, as the strong magnet attraction surface distance dn increases, the attraction force decays, and the calculation formula is as follows: fn=f0/dn 3. When the hole locator 1 on the front side and the hole marker 2 on the back side of the hole marking tool are attached to the assembly 3 and are kept still, the friction coefficient of the surface is 0.3, and according to calculation, the total thickness Hn of the marked assembly 3 is about 130mm, and the hole marking tool can not fall off due to the friction force fn which is generated on the front side and the back side of the assembly 3 and is larger than the gravity Gn of the hole marking tool through attractive force, as shown in fig. 6.
In aircraft, it is generally required that the thickness of the assembly 3 for marking holes by using the hole marking tool of the present invention is about 5 to 15mm, and in this range, the strong magnets on the front and back sides of the hole marking tool, that is, the locator magnet 11 and the marker magnet 21, have a strong attraction force, and are neutral when the circular strong magnets attract each other, so that when the hole locator 1 and the hole marker 2 on the front and back sides of the hole marking tool approach each other on both sides of the assembly 3, the ball bearings on the hole marker 2 on the back side will roll to center the hole locator 1 and the hole marker 2 on the front and back sides. Meanwhile, after the front hole positioner 1 moves, the hole marker 2 on the back can be linked with the front hole positioner 1 under the action of the attractive force and the ball bearing of the strong magnets of the positioner magnet 11 and the marker magnet 21, so that the positioner magnet 11 and the marker magnet 21 are always kept centered.
As shown in fig. 9, the marking member 22 includes a marker 221 and a biasing spring 222. The marker 221 includes a marker head 221a at a proximal end and a button end 221b at a distal end. The biasing spring 222 is configured to bias the marking element 221 distally such that the marking head 221a axially retracts the rolling bearings 23a,23b,23c away from the surface to be marked 32 of the fitting 3, and when the button end 221b is axially pressed, the marking element 221 moves axially proximally such that a portion of the marking head 221a protrudes out of the rolling ball bearings 23a,23b,23c, wherein the marking head 221a of the marking member 22 is coaxially arranged with the marker central bore 211.
In the example shown in fig. 9, the hole marker 2 on the back is provided with a pressing device, namely a button end 221b, a biasing spring 222 in the pressing device is in a compressed state, and a marking head 221a is in a retracted state under the action of the spring force of the biasing spring 222, as shown in fig. 5, and the marking head 221a is a replaceable fiber ink pen nib, for example, similar to a common marking pen nib. When the hole marker 2 on the back is positioned along with the hole positioner 1 on the front, the button end 221b is pressed lightly, as shown in fig. 5, the marking head 221a is close to the surface 32 to be marked of the assembly 3 and contacts the surface 32 to be marked, marking is completed after the mark is left, the button end 221b for marking is released after the mark is completed, and the marking head 221a is retracted axially.
As shown in fig. 9, the positioner housing 10 includes a positioner contact wall 101 and a positioner handle 102. The locator contact wall 101 covers the locator proximal surface 11a of the locator magnet 11 and includes a contact surface that can be fitted to the pre-marking surface 31 of the fitting 3. The positioner handle 102 facilitates gripping of the hole positioner 1.
According to the present invention, there is also provided a method of marking a hole site on a fitting 3 using the hole site marking tool described above, the method comprising the steps of:
a. placing the hole locator 1 on the pre-marking surface 31 of the fitting 3 with the reserved mark of the hole site and attaching to the pre-marking surface 31;
b. placing the hole marker 2 on the surface to be marked 32 of the fitting 3, the hole marker 2 corresponding to the hole marker 1 being fitted on the surface to be marked 32 of the fitting 3 by the magnetic force of the locator magnet 11 of the hole marker 1 and the marker magnet 21 of the hole marker 2 of the opposite polarity, the annular shapes of the locator magnet 11 and the marker magnet 21 being such that the locator magnet 11 and the marker magnet 21 are centered with each other;
c. moving the hole locator 1 against the pre-marking surface 31 of the fitting 3, the hole marker 2 moving under the influence of magnetic force against the surface to be marked 32 of the fitting 3 so that the alignment member is aligned with the pre-marking of the hole site; and
d. the marking member 22 of the hole marker 2 is axially pressed towards the surface to be marked 32 such that the marking member 22 is axially moved towards the proximal end, the proximal end of the marking member 22 protruding beyond the marker proximal surface 21a of the marker magnet 21 to leave a hole site corresponding mark in the surface to be marked 32 at a position corresponding to the reserved mark.
In the sequence of steps of the above method, step c may be performed first, and step b may be performed later.
One specific application of the method of marking hole sites on the fitting 3 using the hole site marking tool in the above example is outlined below:
1) Placing the front hole locator 1 on one side of the assembly 3, namely the pre-marking surface 31, on which holes are marked according to the drawing, and tightly attaching the front hole locator, and placing the back hole marker 2 on the other side of the assembly 3, namely the surface to be marked 32, and tightly attaching the back hole marker;
2) Moving the back hole marker 2 to be close to the front hole marker 1, and loosening the fixation of the back hole marker 2 after the back hole marker 2 is firmly attached to the surface to be marked 32 of the assembly 3 after the back hole marker 2 is attracted by the front hole marker 1 under the action of two strong magnets;
3) The hole positioner 1 on the front surface is slightly moved up and down and left and right, so that the hole marker 2 on the back surface on the other side of the assembly 3 is ensured to flexibly move along with the hole positioner;
4) Moving the front hole positioner 1 to the marked hole position, so that the pointer 12 of the front hole positioner 1 is aligned with the center of the hole position;
5) On the other side of the fitting 3, as shown in fig. 5, a hole site corresponding to the front surface is marked on the rear surface of the fitting 3 by lightly pressing a button of the button end 221b of the hole marker 2 on the rear surface in the arrow direction.
While the foregoing describes specific embodiments of the present invention, those skilled in the art will recognize that these are merely illustrative, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the invention, which are intended to be within the scope of the invention.
The individual features of the above embodiments can also be combined in any desired manner within the scope of the inventive concept, which also falls within the scope of the present invention.
Claims (16)
1. A hole site marking tool for marking a hole site of a fitting (3), the fitting (3) comprising a pre-marking surface (31) with a pre-marking of the hole site and a surface to be marked (32) to be marked of the hole site, characterized in that the hole site marking tool comprises:
a hole locator (1), the hole locator (1) comprising:
a locator housing (10);
a locator magnet (11), the locator magnet (11) being disposed within the locator housing (10) and comprising a locator proximal surface (11 a) facing the pre-marking surface (31) of the fitting (3), the locator magnet (11) having a circular shape with a locator central aperture (111), the pre-marking in the pre-marking surface (31) being visible through the locator central aperture (111);
a hole marker (2), the hole marker (2) comprising:
a marker housing (20);
a marker magnet (21), the marker magnet (21) being disposed within the marker housing (20) and comprising a marker proximal surface (21 a) facing the surface (32) to be marked of the fitting (3), the marker magnet (21) having a circular ring shape with a marker central aperture (211);
-a marking member (22), the marking member (22) comprising a proximal end facing the surface (32) to be marked of the fitting (3) and a distal end opposite to the proximal end, the marking member (22) being arranged in the marker central bore (211) and being axially movable with respect to the marker magnet (21) such that the proximal end of the marking member (22) is capable of leaving a hole site correspondence mark in the surface (32) to be marked of the fitting (3) in a position corresponding to the reserved mark;
wherein the locator magnet (11) and the marker magnet (21) are heteropolar with respect to each other.
2. The hole site marking tool of claim 1, wherein,
the hole positioner (1) comprises an alignment member fixedly connected relative to the hole positioner (1) for aligning the reserved marks of the hole sites.
3. The hole site marking tool of claim 2, wherein,
the alignment member comprises a plurality of fixedly connected pointers (12), the plurality of pointers (12) meeting at a meeting point, the meeting point being capable of aligning the reservation mark.
4. The hole site marking tool of claim 3, wherein,
the plurality of pointers (12) includes three pointers (12);
wherein the junction is coaxially disposed with the locator central bore (111).
5. The hole site marking tool of claim 3, wherein,
the hole marker (2) comprises a moving member (23) movably connected to the marker housing (20), the moving member (23) axially protruding from the marker housing (20) towards the surface (32) to be marked of the fitting (3) such that the moving member (23) is movable on the surface (32) to be marked of the fitting (3).
6. The hole site marking tool of claim 5, wherein,
the moving member (23) comprises three rolling bearings (23 a,23b,23 c) uniformly distributed along the circumference of the marker housing (20) such that the rolling bearings (23 a,23b,23 c) axially protrude out of the marker magnet and are movable on the surface (32) to be marked of the fitting (3).
7. The hole site marking tool of claim 6, wherein,
the rolling bearings (23 a,23b,23 c) are configured such that a point contact is formed between the bore marker (2) and the surface (32) to be marked of the fitting (3).
8. The hole site marking tool of claim 6, wherein,
the marking member (22) includes:
a marker (221), the marker (221) comprising a marker head (221 a) at the proximal end and a button end (221 b) at the distal end;
-a biasing spring (222), the biasing spring (222) being configured to bias the marker (221) towards the distal end such that the marker head (221 a) is axially retracted into the moving member (23) away from the surface (32) to be marked of the fitting (3), the marker (221) being axially moved towards the proximal end when the button end (221 b) is axially pressed such that a portion of the marker head (221 a) protrudes out of the moving member (23);
wherein the marking head (221 a) of the marking member (22) is coaxially arranged with the marker central hole (211).
9. The hole site marking tool of claim 8, wherein,
the marking head (221 a) comprises a replaceable fiber ink pen nib.
10. The hole site marking tool of claim 9, wherein,
the locator housing (10) comprises:
a locator contact wall (101), the locator contact wall (101) covering the locator proximal surface (11 a) of the locator magnet (11) and comprising a contact surface that is conformable to the pre-marking surface (31) of the fitting (3);
a locator handle (102) for facilitating gripping of the hole locator (1).
11. The hole site marking tool of claim 10, wherein,
the locator magnet (11) further comprises a locator distal surface (11 b) opposite the locator proximal surface (11 a), the alignment member being fixedly connected to the locator magnet (11) or the locator housing (10), the intersection of the alignment member being adjacent the locator distal surface (11 b) of the locator magnet (11).
12. The hole site marking tool of any one of claims 1-11, wherein,
the locator magnet (11) and the marker magnet (21) have the same shape and are made of the same material.
13. A method of marking a hole site on a fitting using a hole site marking tool as claimed in any one of claims 1 to 12, the method comprising the steps of:
a. placing a hole locator (1) on a pre-marking surface (31) of the fitting (3) with a reserved mark of hole sites and attaching to the pre-marking surface (31);
b. -placing a hole marker (2) on a surface (32) to be marked of the fitting (3), the hole marker (2) being attached to the surface (32) to be marked of the fitting (3) in correspondence of the hole marker (1) under the effect of the magnetic forces of a locator magnet (11) of the hole marker (1) and a marker magnet (21) of the hole marker (2) of different poles, the annular shape of the locator magnet (11) and the marker magnet (21) being such that the locator magnet (11) and the marker magnet (21) are centered to each other;
c. such that the center of the locator center hole (111) of the hole locator (1) corresponds to the reservation mark; and
d. pressing the marking member (22) of the hole marker (2) axially towards the surface (32) to be marked such that the marking member (22) is moved axially proximally, the proximal end of the marking member (22) protruding beyond the marker proximal surface (21 a) of the marker magnet (21) to leave a hole site corresponding mark in the surface (32) to be marked at a position corresponding to the reserved mark.
14. A method of marking hole sites on a fitting according to claim 13, characterized in that the hole locator (1) comprises an alignment member according to claim 2,
the step c further comprises:
such that the alignment member is aligned with the preformed indicia of the hole site.
15. The method of marking hole sites on a fitting of claim 14,
said step c occurs before said step b.
16. The method of marking hole sites on a fitting of claim 14,
in said step c:
-moving the hole locator (1) against the pre-marking surface (31) of the fitting (3), the hole marker (2) being moved against the surface (32) to be marked of the fitting (3) under the influence of magnetic force such that the alignment member is aligned with the pre-marking of the hole site.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113799088B (en) * | 2021-10-28 | 2023-02-03 | 中国商用飞机有限责任公司 | Hole site marking device for aircraft wing body fairing cover panel |
| 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 |
| CN114719727A (en) * | 2022-03-25 | 2022-07-08 | 四川腾盾科技有限公司 | Method for assembling, positioning and detecting aircraft finished product based on magnet heteropolar attraction |
| CN114888164A (en) * | 2022-07-14 | 2022-08-12 | 成都飞机工业（集团）有限责任公司 | Electromagnetic hole guiding method and device for assembling aircraft skin and framework |
| CN116061264B (en) * | 2023-03-09 | 2023-06-30 | 四川腾盾科技有限公司 | Hole making method for carbon fiber composite material |
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| GB0022443D0 (en) * | 2000-09-13 | 2000-11-01 | Bae Systems Plc | Marking out method and system |
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| CN1662347A (en) * | 2002-05-09 | 2005-08-31 | 波音公司 | Magnetic indexer for high accuracy hole drilling |
| CN107263429A (en) * | 2016-04-08 | 2017-10-20 | 陕西飞机工业（集团）有限公司 | A kind of method that ball-type covering hole bit line complement is drawn |
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