CN113146563A - Hole site marking tool and method for marking hole site on assembly part - Google Patents
Hole site marking tool and method for marking hole site on assembly part Download PDFInfo
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- CN113146563A CN113146563A CN202110271349.9A CN202110271349A CN113146563A CN 113146563 A CN113146563 A CN 113146563A CN 202110271349 A CN202110271349 A CN 202110271349A CN 113146563 A CN113146563 A CN 113146563A
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- marker
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- locator
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- marked
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003550 marker Substances 0.000 claims abstract description 170
- 238000005096 rolling process Methods 0.000 claims description 19
- 230000005291 magnetic effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910001172 neodymium magnet Inorganic materials 0.000 description 1
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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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to a hole site marking tool and a method for marking hole sites on an assembly part. The hole site marking tool includes a hole locator having a locator magnet and a hole marker having a marker magnet and a marking member. The locator magnet includes a locator proximal surface facing the pre-marked surface of the assembly, the locator magnet being annular with a locator center hole through which the pre-marked mark in the pre-marked surface is visible. The marker magnet includes a marker proximal surface facing the surface of the fitting to be marked, the marker magnet having a 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 an aperture corresponding mark in the surface to be marked of the fitting at a location corresponding to the reserved mark. The hole position marking tool is used in the method for marking the hole position on the assembly part.
Description
Technical Field
The invention relates to a hole position marking tool for marking hole positions of an assembly part and a method for marking hole positions on the assembly part, in particular to a tool capable of marking hole positions on the front side of the assembly part to the back side of the assembly part, wherein the assembly part can be a pair of parts or other parts. Such a tool is used, in particular, for assembling two parts on an aircraft.
Background
When two or more parts on an airplane are assembled, a drawing generally only shows fastener hole site information on one part, during on-site actual operation, a line is marked on the part with the hole site information according to the drawing requirements to position a hole site, 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 whether the hole is in a part chamfering area is checked, and hole making operation is carried out after the hole is checked to be correct.
For the part A and the part B shown in FIG. 1, after the part A and the part B are positioned as shown in FIG. 1, the edge distance D of the assembly hole on the part A is shown on the drawing, after the hole position is marked out according to D, the distance H1 from the hole to the bottom edge of the outer side of the part A can be further obtained, if the thickness of the outer side wall of the part is H, the distance H2 from the hole to the bottom edge of the inner side of the part A can be calculated through H1-H, the projection position of the hole on the other side of the assembly part can be marked out 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 exist between the assembly parts, and when large-size parts are assembled, reference surfaces and lines capable of projecting holes on one side of the assembly parts to the other side often cannot be found due to size limitation, assembly space limitation and the like of the parts.
As shown in fig. 2, after the skins a and B are assembled, a rivet area is required to be reserved in the area a shown in the drawing for making holes, an edge distance D of fastener holes on the skin a and a distance L between two rows of fasteners are shown on the drawing, theoretically, positions of F rows of holes can be marked on one side of the skin B according to an edge line of the skin a and a value of D + L, and then an edge distance D of the F rows of holes on one side of the skin B is obtained. The hole making is carried out under the condition that the edge distance d of the F row of holes on one side of the skin B cannot be known, and once the lapping quantity W of the skin has errors in practice and theory, the edge distance d of the F row of holes on the skin B cannot be guaranteed. In practice, the production site has a lot of out-of-tolerance caused by the out-of-tolerance phenomenon.
Disclosure of Invention
To this end, in order to solve the above technical problems in the prior art, according to one aspect of the present invention, there is provided a hole site marking tool for marking a hole site of an assembly part including a pre-marking surface having a pre-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 positioner comprises a positioner shell and a positioner magnet, the positioner magnet is arranged in the positioner shell and comprises a positioner near surface facing the pre-marking surface of the assembly part, the positioner magnet is in a ring shape with a positioner central hole, and a reserved mark in the pre-marking surface can be seen through the positioner central hole.
The hole marker includes a marker housing, a marker magnet, and a marking member. The marker magnet is arranged in the marker shell and comprises a marker near surface facing the surface to be marked of the assembly part, and the marker magnet is in a ring shape with a marker central 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 being axially movable relative to the marker magnet such that the proximal end of the marking member is capable of leaving an aperture corresponding 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 to each other.
Preferably, on the basis of the above technical solution, the hole positioner includes an alignment member fixedly connected with respect to the hole positioner, for aligning the reserved mark of the hole position.
Preferably, on the basis of the above technical solution, the alignment component includes a plurality of fixedly connected pointers, the pointers meet at an intersection, and the intersection can align the reservation mark.
Preferably, on the basis of the above technical solution, the plurality of pointers includes three pointers.
Wherein, the junction is coaxial with the center hole of the locator.
Preferably, on the basis of the above-mentioned solution, the hole marker comprises a moving member movably connected to the marker housing, the moving member axially protruding from the marker housing towards the surface to be marked of the fitting, such that the moving member is movable on the surface to be marked of the fitting.
Preferably, on the basis of the above technical solution, the moving member comprises three rolling bearings evenly distributed along the circumference of the marker housing, so that the rolling bearings axially protrude the marker magnet and can move on the surface to be marked of the assembly.
Preferably, on the basis of the above-described solution, the rolling bearing is configured such that a point contact is formed between the hole marker and the surface of the fitting to be marked.
Preferably, on the basis of the above technical solution, the marking member includes a marking member 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 into the motion member away from a surface of the fitting to be marked, and when the button end is axially pressed, the marker moves axially proximally such that a portion of the marker head extends out of the motion member.
Wherein the marking head of the marking member is coaxially arranged with the central hole of the marker.
Preferably, on the basis of the above technical solution, the marking head comprises a replaceable fiber ink pen nib.
Preferably, on the basis of the above technical solution, the positioner housing includes a positioner contact wall and a positioner handle.
The locator contact wall covers a locator proximal surface of the locator magnet and includes a contact surface that is conformable to the pre-marked surface of the fitting.
The locator handle facilitates gripping of the hole locator.
Preferably, in the above-mentioned solution, 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 point of the alignment members is adjacent to 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 provided a method for marking a hole site on an assembly using the hole site marking tool defined in the above technical solution, wherein the method comprises the steps of:
a. placing the hole positioner on the pre-marked surface of the assembly part with the reserved marks of the hole positions, and attaching the hole positioner to the pre-marked surface;
b. placing a hole marker on the surface to be marked of the assembly member, wherein the hole marker is attached to the surface to be marked of the assembly member corresponding to the hole locator under the action of the magnetic forces of the locator magnet of the heteropolar hole locator and the marker magnet of the hole marker, and the locator magnet and the marker magnet are aligned with each other due to the annular shapes of the locator magnet and the marker magnet;
c. making the center of the locator center hole of the hole locator correspond to the reserved mark; and
d. the marking member of the hole marker is pressed axially towards the surface to be marked such that the marking member is moved axially towards the proximal end, the proximal end of the marking member protruding out of the marker proximal surface of the marker magnet to leave a hole location corresponding mark in the surface to be marked at a location corresponding to the reserved mark.
Preferably, on the basis of the above technical solution, the hole locator includes the alignment member defined in the above technical solution, and the step c further includes aligning the alignment member with the reserved mark of the hole position.
Preferably, step c occurs before step b on the basis of the above-mentioned technical solution.
Preferably, on the basis of the above technical solution, in step c: the hole positioner is attached to the surface to be marked of the assembly part to move, and the hole marker is attached to the surface to be marked of the assembly part to move under the action of magnetic force, so that the alignment member is aligned with the reserved mark of the hole position.
Therefore, the technical effects of the invention are as follows: the passive cooling device is used for rapidly cooling the brake of the airplane wheel in the ground taxi phase of the airplane, is used for rapidly passing the station in the operation phase of the airplane and improves the dispatching efficiency of the airplane. The brake cooling fan device can amplify the rotating speed of the airplane wheel during deceleration sliding and low-speed sliding by a certain multiple, and then drives the axial flow cooling fan to rotate at high speed to generate strong wind, thereby realizing rapid cooling of the airplane wheel during braking.
Drawings
FIG. 1 is a schematic view of a prior art assembly in which hole positioning can be performed by computationally marking the back holes;
FIG. 2 is a schematic view of a prior art assembly in which hole positioning is not possible by computationally marking the back holes;
FIG. 3 is a schematic perspective exploded view of a hole site marking tool for marking the hole site of an assembly according to the present invention;
FIG. 4 is a schematic perspective view of a hole site marking tool for marking the hole site of a fitting according to the present invention, showing the configuration of the hole locator and hole marker;
FIG. 5 is a front view of a hole site marking tool for marking hole sites in a fitting shown in cross-section in accordance with the present invention in use;
FIG. 6 is a schematic view of the backside hole marker as in FIG. 5;
FIG. 7 illustrates one embodiment of a hole marker of the hole site marking tool of FIG. 4 showing a rolling ball bearing thereon when the hole marker is used as a back hole marker;
FIG. 8 illustrates an embodiment of a hole locator of the hole site marking tool of FIG. 4, showing the hole locator as a schematic representation of hole location when used as a front-side hole locator;
FIG. 9 is a perspective view, partially in cross-section, of the hole site marking tool for marking hole sites in the assembly shown in FIG. 5, illustrating marking when the hole marker is used as a back hole marker.
List of reference numerals in the figures in the technical solutions and embodiments:
1-a well locator, comprising:
10-a positioner housing comprising:
101-a locator contact wall, having a contact surface,
102-a handle of the locator-the locator,
11-a locator magnet comprising:
111-a central hole of the locator,
11 a-the proximal surface of the locator,
11 b-the distal surface of the locator,
-an alignment member comprising:
12-a pointer;
a 2-well marker comprising:
20-a marker housing comprising:
201-the opening of the marker(s),
21-a 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,
22-a marker member comprising:
221-a marker comprising:
221 a-a marking head,
221 b-the end of the button,
222-a biasing spring-the biasing spring-is,
23-a motion member comprising:
23 a-a rolling bearing-the rolling bearing,
23 b-a rolling bearing-the rolling bearing,
23 c-rolling bearings; and
3-an assembly comprising:
31-marking the surface, including the reservation marking,
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 accompanying drawings and examples, so as to more clearly connect the inventive principles and advantageous effects of the present invention.
The terms used herein for convenience in describing the present invention are as follows:
the method comprises the following steps: a face or end proximate to or facing the fitting;
far: a face or end away from or facing away from the fitting;
front side: in the embodiments illustrated in the specification, the front side is the label surface of the assembly, and in other embodiments, may also be referred to as the back side:
back side: in the illustrated embodiment, the side opposite the front side, in other embodiments, may also be referred to as the front side opposite the back side.
Fig. 3 and 4 show a tool for marking holes in the back of the assembly 3, i.e. a hole marking tool, according to the invention, which in this embodiment comprises: a back hole marker, i.e. hole marker 2, and a front hole locator, i.e. hole locator 1. A strong magnet, i.e., the locator magnet 11, is installed inside the hole locator 1, and another strong magnet, i.e., the marker magnet 21, is installed inside the hole marker 2. The exposed surfaces of the two strong magnets, i.e., the locator magnet 11 and the marker magnet 21, after mounting are respectively an N pole and an S pole, or an S pole and an N pole.
The hole site marking tool according to the invention is used to mark the hole site of the fitting 3, which in the example shown in fig. 5 is a pair of parts to be fastened, the hole site is not marked in the figure and the hole site is substantially in the center of the locator magnet 11. As shown in fig. 6, the assembly 3 includes a pre-marked surface 31 having a pre-marked hole site and a surface to be marked 32 having a hole site to be marked opposite to the back surface of the mark.
As shown in fig. 4, the hole site 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 in the locator housing 10 and includes a locator proximal surface 11a facing the pre-marked surface 31 of the fitting 3 and a locator distal surface 11b opposite the locator proximal surface 11a and distal to the pre-marked surface 31 of the fitting 3, the locator magnet 11 having a ring shape with a locator central hole 111 through which the pre-marked mark of the hole site in the pre-marked surface 31 can be viewed. Preferably, the marker housing 10 includes a marker opening 201 facing the back of the fitting 3 such that the marker housing 10 is open to the fitting 3, the marker magnet 21 being received within the marker opening 201.
The marker magnet 21 disposed within 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 opposite the marker proximal surface 21a and distal to the surface to be marked 32 of the fitting 3, the marker magnet 21 having a ring shape with a marker central hole 211.
The marking member 22 comprises a proximal end facing the surface to be marked 32 of the fitting 3 and a distal end opposite the proximal end, the marking member 22 being arranged in the marker central hole 211 and being axially movable relative to the marker magnet 21 such that the proximal end of the marking member 22 is able to leave a hole corresponding mark in the surface to be marked 32 of the fitting 3 at a position corresponding to the reserved mark.
As shown in fig. 8, the alignment member is fixedly attached relative to the bore locator 1 for aligning the preformed marks on the side of the fitting 3 having the bore locations. Preferably, the alignment member is fixedly attached to the positioner magnet 11 or the positioner housing 10. One example of an alignment feature includes a plurality of fixedly attached fingers 12, the plurality of fingers 12 meeting at an intersection point that is adjacent to the locator distal surface 11b of the locator magnet 11, and the intersection point being capable of aligning the reservation mark. Preferably, the plurality of fingers 12 includes three fingers 12, wherein the intersection point is disposed coaxially with the locator central bore 111. In the example shown in fig. 8, 3 protruding pointers 12 are designed on the hole locator 1 on the front surface of the tool, the positions pointed by the 3 pointers 12 can be observed through the reserved hole on the hole locator 1 on the front surface, i.e. the center hole of the locator magnet 11, and the 3 pointers 12 are configured such that when the hole locator 1 on the front surface is placed, the 3 pointers 12 point to the center of the hole site already drawn on the front surface of the assembly 3, and the positioning of the hole locator 1 on the front surface 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 projecting axially from the marker housing 20 towards the surface to be marked 32 of the fitting 3 such that the moving member 23 is able to move over the surface to be marked 32 of the fitting 3. In the example shown in fig. 7, the mobile element 23 comprises three rolling bearings 23a, 23b,23c uniformly distributed along the circumference of the marker housing 20, so that the rolling bearings 23a, 23b,23c axially project over at least part of the marker magnet 21, so as to be able to roll on the surface to be marked 32 of the fitting 3. The number of rolling bearings may be other than three. The motion member 23 may also be replaced with other forms of moving members, for example, a slide member. The movement member 23 may also be an unnecessary member, i.e. the hole marker 2 is not provided with such a movement member 23. For a rough surface 32 to be marked of the fitting 3, the rolling bearings 23a, 23b,23c are preferably configured such that a point contact is formed between the hole marker 2 and the surface 32 to be marked of the fitting 3, for example the rolling bearings 23a, 23b,23c are ball bearings. And the hole positioner 1 on the front surface of the tool is in surface contact with the front surface of the assembly part 3 after being attached.
As shown in fig. 3, the confronting opposite ends of the locator magnet 11 and the marker magnet 21 are opposite poles to each other, so that the locator magnet 11 and the marker magnet 21 attract each other. In the example shown in fig. 3, the locator magnet 11 and the marker magnet 21 have the same shape, both of which are circular rings, and are made of the same material.
In the example shown in fig. 6, the locator magnet 11 and the marker magnet 21 respectively mounted in the hole locator 1 on the front side and the hole marker 2 on the back side of the hole site marking tool are strong magnets, such as neodymium iron boron, with opposite poles. The magnetic energy product of a general strong magnet is about: 410KJ/m3The material density was about: 7.5g/cm3In this example, the ferromagnetic material used has a diameter of about 8.5mm and a thickness of about 6.0mm, and it is found by calculation that in a state where 2 ferromagnetic force surfaces are bonded at a distance of 0, the bonding surface generates an attractive force F0 of about: 280N, the attractive force is attenuated along with the increase of the distance dn between the strong magnet attractive surfaces, and the calculation formula is as follows: fn is F0/dn3. When the hole site locator 1 on the front side and the hole site marker 2 on the back side of the hole site marking tool are attached to the assembly member 3 and left standing, the coefficient of surface friction is 0.3, and it can be found from calculation that the total thickness Hn of the assembly member 3 to be marked is within about 130mm, and the hole site marking tool can be prevented from falling off on the front side and the back side of the assembly member 3 by the friction force fn greater than the gravity Gn thereof generated by the attraction force, as shown in fig. 6.
The thickness of the assembly part 3 of the hole site marking tool for marking the hole site, which is generally required to be adopted by the invention, on the airplane is about 5-15mm, the strong magnets on the front and back sides of the hole site marking tool, namely the attraction force of the locator magnet 11 and the marker magnet 21, is larger in the range, and the circular strong magnets have centering property when mutually attracting, so that when the hole locators 1 and the hole markers 2 on the front and back sides of the hole site marking tool are close to the two sides of the assembly part 3, the ball bearings on the hole markers 2 on the back side roll to center the hole locators 1 and the hole markers 2 on the front and back sides. Meanwhile, after the front hole positioner 1 moves, the back hole marker 2 can be linked with the front hole positioner 1 under the action of the attractive force of strong magnets of the positioner magnet 11 and the marker magnet 21 and the action of a ball bearing, so that the positioner magnet 11 and the marker magnet 21 are always kept centered.
As shown in fig. 9, the marker 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 marker 221 distally such that the marker head 221a axially retracts into the rolling bearing 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 marker 221 moves axially proximally such that a portion of the marker head 221a protrudes out of the rolling bearing 23a, 23b,23c, wherein the marker head 221a of the marker member 22 is coaxially disposed with the marker central bore 211.
In the example shown in fig. 9, the hole marker 2 on the back is designed with a pressing means, i.e. a button end 221b, in which a biasing spring 222 is in a compressed state and a marking head 221a is in a retracted state under the spring force of the biasing spring 222, and as shown in fig. 5, the marking head 221a is a replaceable fiber ink pen tip, for example, similar to a conventional marker pen tip. After the hole marker 2 on the back side is positioned along with the hole locator 1 on the front side, the button end 221b is lightly pressed, as shown in fig. 5, the marking head 221a is then close to the surface 32 to be marked of the assembly 3 and contacts the surface 32 to be marked, marking is completed after a mark is left, the button end 221b for marking is released after marking is completed, and the marking head 221a is retracted axially.
As shown in fig. 9, the retainer housing 10 includes a retainer contact wall 101 and a retainer 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 adhered to the pre-marked surface 31 of the fitting 3. The locator handle 102 facilitates gripping of the bore locator 1.
According to the present invention, there is also provided a method of marking a hole location on an assembly 3 using the hole location marking tool described above, the method comprising the steps of:
a. placing the hole positioner 1 on a pre-marked surface 31 of the assembly part 3 with reserved marks of hole positions, and attaching the hole positioner to the pre-marked surface 31;
b. placing the hole marker 2 on the surface to be marked 32 of the assembly member 3, the hole marker 2 being attached to the surface to be marked 32 of the assembly member 3 corresponding to the hole marker 1 under the influence of the magnetic forces of the locator magnet 11 of the heteropolar hole locator 1 and the marker magnet 21 of the hole marker 2, the circular ring shapes of the locator magnet 11 and the marker magnet 21 being such that the locator magnet 11 and the marker magnet 21 are aligned with each other;
c. the hole positioner 1 is attached to the surface 31 to be marked of the assembly part 3 to move, and the hole marker 2 is attached to the surface 32 to be marked of the assembly part 3 to move under the action of magnetic force, so that the alignment member is aligned with the reserved mark of the hole position; and
d. the marking member 22 of the hole marker 2 is pressed axially toward the surface to be marked 32 so that the marking member 22 is moved axially toward the proximal end, the proximal end of the marking member 22 protruding out of the marker proximal surface 21a of the marker magnet 21 to leave a hole position correspondence mark in the surface to be marked 32 at a position corresponding to the reserved mark.
In the above-described sequence of steps of the method, step c may be performed first, followed by step b.
One specific application of the method for marking holes on the assembly 3 by using the hole marking tool in the above example is briefly as follows:
1) placing the hole positioner 1 on the front side on one side of a hole position scribed on the assembly part 3 according to a drawing, namely a pre-marked surface 31, and tightly attaching the hole positioner 1 on the back side, namely a surface to be marked 32, on the other side of the assembly part 3;
2) moving the back hole marker 2 to be close to the front hole positioner 1, attracting the back hole marker 2 by the front hole positioner 1 under the action of two strong magnets, and loosening the fixation of the back hole marker 2 after the back hole marker 2 is firmly and tightly attached to the surface to be marked 32 of the assembly part 3;
3) slightly moving the hole positioner 1 on the front side up and down, left and right to ensure that the hole marker 2 on the back side of the other side of the assembly part 3 moves flexibly along with the hole positioner;
4) moving the front hole positioner 1 to the marked hole position to enable the pointer 12 of the front hole positioner 1 to be aligned with the center of the hole position;
5) on the other side of the fitting 3, as shown in fig. 5, by lightly pressing the button of the button end 221b of the hole marker 2 on the back side in the direction of the arrow, a hole position corresponding to the front side can be marked on the back side of the fitting 3.
The foregoing describes particular embodiments of the present invention, but those skilled in the art will appreciate that these are by way of example only and that the scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to the embodiments without departing from the principle and spirit of the invention, and such changes and modifications fall within the scope of the invention.
The individual features of the above embodiments can also be combined in any reasonable combination according to the principles of the invention, which combination also falls within the scope of the invention.
Claims (16)
1. Hole site marking tool for marking a hole site of an assembly part (3), said assembly part (3) comprising a pre-marked surface (31) with a pre-mark of said hole site and a surface (32) to be marked of said hole site, characterized in that said hole site marking tool comprises:
a well locator (1), the well locator (1) comprising:
a positioner housing (10);
a locator magnet (11), said locator magnet (11) being disposed within said locator housing (10) and comprising a locator proximal surface (11a) facing said pre-marked surface (31) of said fitting (3), said locator magnet (11) having a ring shape with a locator central aperture (111) through which said pre-marked in said pre-marked surface (31) is visible (111);
a well marker (2), said well marker (2) comprising:
a marker housing (20);
a marker magnet (21), said marker magnet (21) being disposed within said marker housing (20) and comprising a marker proximal surface (21a) facing said surface to be marked (32) of said fitting (3), said marker magnet (21) having the shape of a ring with a marker central hole (211);
a marking member (22), the marking member (22) comprising a proximal end facing the surface to be marked (32) of the fitting (3) and a distal end opposite to the proximal end, the marking member (22) being arranged in the marker central hole (211) and being axially movable relative to the marker magnet (21) such that the proximal end of the marking member (22) is able to leave a hole-corresponding mark in the surface to be marked (32) of the fitting (3) at a position corresponding to the reserved mark;
wherein the locator magnet (11) and the marker magnet (21) are heteropolar to each other.
2. Hole site marking tool as claimed in claim 1,
the hole positioner (1) comprises an alignment member fixedly connected relative to the hole positioner (1) and used for aligning the reserved marks of the hole positions.
3. Hole site marking tool as claimed in claim 2,
the alignment means comprises a plurality of fixedly connected pointers (12), the pointers (12) meeting at an intersection point, the intersection point being capable of aligning the reservation mark.
4. Hole site marking tool as claimed in claim 3,
the plurality of pointers (12) comprises three pointers (12);
wherein the intersection point is arranged coaxially with the locator central bore (111).
5. Hole site marking tool as claimed in claim 2,
the hole marker (2) comprises a movement member (23) movably connected to the marker housing (20), the movement member (23) axially protruding from the marker housing (20) towards the surface to mark (32) of the fitting (3) such that the movement member (23) is movable on the surface to mark (32) of the fitting (3).
6. Hole site marking tool as claimed in claim 5,
the movement member (23) comprises three rolling bearings (23a, 23b,23 c) uniformly distributed along the circumference of the marker housing (20) so that the rolling bearings (23a, 23b,23 c) axially protrude the marker magnet and can move (21) on the surface to be marked (32) of the fitting (3).
7. Hole site marking tool as claimed in claim 6,
the rolling bearing (23a, 23b,23 c) is configured such that a point contact is formed between the hole marker (2) and the surface (32) to be marked of the fitting (3).
8. Hole site marking tool as claimed in claim 6,
the marking member (22) includes:
a marker (221), said marker (221) comprising a marker head (221a) at said proximal end and a button end (221b) at said distal end;
a biasing spring (222), said biasing spring (222) being configured to bias said marker (221) towards said distal end such that said marker head (221a) is axially retracted into said movement member (23) away from said surface to be marked (32) of said fitting (3), said marker (221) being axially moved towards said proximal end such that a portion of said marker head (221a) protrudes out of said movement member (23) when said button end (221b) is axially pressed;
wherein the marking head (221a) of the marking member (22) is disposed coaxially with the marker center hole (211).
9. Hole site marking tool as claimed in claim 8,
the marking head (221a) comprises a replaceable fibrous ink pen tip.
10. Hole site marking tool as claimed in claim 9,
the positioner case (10) includes:
a locator contact wall (101), the locator contact wall (101) covering the locator proximal surface (11a) of the locator magnet (11) and comprising a contact surface conformable to the pre-marked surface (31) of the fitting (3);
a locator handle (102) to facilitate gripping of the bore locator (1).
11. Hole site marking tool as claimed in claim 10,
the locator magnet (11) further comprises a locator distal surface (11b) opposite the locator proximal surface (11a), the alignment member being fixedly connected to the locator magnet (11) or the locator housing (10), the intersection of the alignment members being adjacent the locator distal surface (11b) of the locator magnet (11).
12. Hole site marking tool according to any of claims 1 to 11,
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 holes in a fitting using a hole site marking tool as claimed in claims 1 to 12, comprising the steps of:
a. placing a hole positioner (1) on a pre-marked surface (31) of the assembly part (3) with reserved marks of hole positions, and adhering to the pre-marked surface (31);
b. placing a hole marker (2) on a surface (32) to be marked of the assembly member (3), the hole marker (2) being attached to the surface (32) to be marked of the assembly member (3) corresponding to the hole marker (1) under the influence 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 opposite polarity, the circular ring shapes of the locator magnet (11) and the marker magnet (21) being such that the locator magnet (11) and the marker magnet (21) are aligned with each other;
c. -making the centre of the locator centre hole (111) of the hole locator (1) correspond to the reservation mark; and
d. axially pressing a marking member (22) of the hole marker (2) towards the surface to be marked (32) such that the marking member (22) is axially moved towards a proximal end, the proximal end of the marking member (22) protruding out of a marker proximal surface (21a) of the marker magnet (21) to leave a hole position correspondence mark in the surface to be marked (32) at a position corresponding to the reserved mark.
14. Method of marking hole locations on a fitting (3) according to claim 13, characterized in that the hole locator (1) comprises an alignment member according to claim 2,
the step c further comprises:
aligning the alignment member with the reservation mark of the hole site.
15. Method of marking hole locations on an assembly (3) according to claim 14,
said step c occurs before said step b.
16. Method of marking hole locations on an assembly (3) according to claim 14,
in the step c:
moving the hole locator (1) against the pre-marked surface (31) of the assembly (3), the hole marker (2) moving against the surface to be marked (32) of the assembly (3) under the effect of magnetic force, so that the alignment member aligns with the pre-marked mark of the hole site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271349.9A CN113146563B (en) | 2021-03-12 | 2021-03-12 | Hole site marking tool and method for marking hole sites on assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110271349.9A CN113146563B (en) | 2021-03-12 | 2021-03-12 | Hole site marking tool and method for marking hole sites on assembly |
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| CN113146563A true CN113146563A (en) | 2021-07-23 |
| CN113146563B CN113146563B (en) | 2023-08-25 |
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| CN113799088A (en) * | 2021-10-28 | 2021-12-17 | 中国商用飞机有限责任公司 | Hole site marking device for aircraft wing body fairing cover panel |
| CN114012690A (en) * | 2021-12-03 | 2022-02-08 | 中航沈飞民用飞机有限责任公司 | Special magnetic hole position marking tool and method |
| 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 |
| CN116061264A (en) * | 2023-03-09 | 2023-05-05 | 四川腾盾科技有限公司 | Hole making method for carbon fiber composite material |
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| CN114719727B (en) * | 2022-03-25 | 2024-06-11 | 四川腾盾科技有限公司 | Aircraft finished product assembling, positioning and detecting method based on magnetic 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 |
| CN116061264A (en) * | 2023-03-09 | 2023-05-05 | 四川腾盾科技有限公司 | Hole making method for carbon fiber composite material |
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