KR20170075382A - Apparatus for measuring fastener holes - Google Patents

Apparatus for measuring fastener holes Download PDF

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Publication number
KR20170075382A
KR20170075382A KR1020150184984A KR20150184984A KR20170075382A KR 20170075382 A KR20170075382 A KR 20170075382A KR 1020150184984 A KR1020150184984 A KR 1020150184984A KR 20150184984 A KR20150184984 A KR 20150184984A KR 20170075382 A KR20170075382 A KR 20170075382A
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KR
South Korea
Prior art keywords
stator
fastener
measuring
fastening hole
main body
Prior art date
Application number
KR1020150184984A
Other languages
Korean (ko)
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KR101807767B1 (en
Inventor
정석호
Original Assignee
한국항공우주산업 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to KR1020150184984A priority Critical patent/KR101807767B1/en
Publication of KR20170075382A publication Critical patent/KR20170075382A/en
Application granted granted Critical
Publication of KR101807767B1 publication Critical patent/KR101807767B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/12—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using sliding jaws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • G01B5/16—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures
    • G01B5/163—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures between a succession of regularly spaced objects or regularly spaced apertures of screw-threads
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

In order to provide a fastener fastening hole measuring device capable of minimizing an error of a measured length in measuring the length of fastener fastening holes regardless of fastener types, the fastener fastening hole measuring device includes a fastener A fastening hole measuring apparatus comprising: a body inserted into the fastening hole; a stator capable of being brought into and out of the body and capable of coming into contact with one surface of the fastened body; and a stator And a measuring unit for measuring a distance between the stator and the conveyance member so that the length of the fixing hole is measured, and a pressing unit for pressing the conveyance member toward the stator so that the stator and the conveyance member are closely contacted to the fastener, do. Therefore, the fastener fastening hole measuring apparatus provides a measuring device capable of measuring the length of the fastening hole regardless of the fastener type, thereby improving the measurement efficiency. In addition, the error of the length measuring method according to the water- There is an effect that can be minimized.

Description

{APPARATUS FOR MEASURING FASTENER HOLES}

The present invention relates to a fastener fastening hole measuring apparatus, and more particularly, to a fastener fastening hole measuring apparatus capable of measuring the length of fastener fastening holes.

BACKGROUND ART [0002] In general, fasteners are used throughout the industry as fastening mechanisms for fastening two or more fasteners to each other. These fasteners are disposed in fastening holes formed to correspond to fasteners so that the fasteners are fastened.

In the conventional fastener fastening process, the fasteners are arranged so that the fastening holes are superimposed on each other before the fastener is fastened, and the length of the fastening holes is measured by inserting a magnetic gauge into the fastening holes. The prior art for such a gauge has already been disclosed in Japanese Laid-Open Patent Application No. 2006-071583 (Measurement Blade, Mar. 16, 2006).

However, when a conventional gauge is used, different types of gauges are required depending on the shape of the fastening hole and the type of fastener fastened to the fastened body, and errors due to manual work by the operator and clearances between the fasteners There is a problem that various errors may occur in measuring the length of the fastening hole such as an error.

Japanese Laid-Open Patent Application No. 2006-071583 (Measuring Blade, March 16, 2006)

An object of the present invention is to provide a fastener fastening hole measuring device capable of minimizing an error of a measured length in the measurement of the fastener fastening hole length.

A fastener fastening hole measuring apparatus according to the present invention is a fastener fastening hole measuring apparatus for measuring a fastening hole length of a fastener inserted with a fastener, the fastener fastening hole measuring apparatus comprising: a body inserted into the fastening hole; A stator capable of being brought into contact with one surface of the fastener and a conveyor linearly conveyed along the outer circumferential surface of the main body so as to be contactable with the other surface of the fastener and a stator and a conveyor, And a measuring unit for measuring a distance between the stator and the carrier so that the length of the fastening hole is measured.

Wherein the pressing portion is connected to the conveying member so as to linearly convey the conveying member; and a pressing portion that restricts the conveyance of the conveying member and presses the conveying member toward the stator in a state where the conveyance of the conveying member is restricted, And may include a tight contact portion to be brought into close contact with water.

The transfer unit may be provided as a rack frame type support frame which is accommodated in the main body and supports the carrier at a lower end thereof.

The tightening portion includes a rotation portion in the form of a pinion gear that rotates in engagement with the support frame, a restriction portion that restricts the rotation of the rotation portion in a state where the conveyance member is in contact with the engagement portion, And a support frame pressing part for transferring the support frame toward the fastened body in a state where the rotation of the rotary part is restricted so that the stator and the conveyor come in close contact with the fastened body.

Wherein the fastener fastening hole measuring apparatus further comprises an output section disposed in the main body and provided with length information of the fastening hole from the measuring section, wherein the output section calculates a length value of the fastening hole and a fastener type Can be displayed.

The fastener fastening hole measuring apparatus may further include a stator control unit provided in the main body to control the entry and exit of the stator, wherein the stator control unit is connected to the stator, and when the main body is inserted into the hole, An elastic body for allowing the stator to protrude from the main body when the main body passes through the hole so that the stator protrudes from the main body when the main body is detached from the hole, . ≪ / RTI >

A hole measuring apparatus according to the present invention is a hole measuring apparatus for measuring a hole length formed on an object to be measured, the hole measuring apparatus comprising: a body inserted into the hole; A pusher for pushing the conveyor toward the stator so that the stator and the conveyor come in close contact with the measurement object, and a pusher for pushing the conveyor toward the stator so that the stator and the conveyor come in close contact with the measurement object, And a measuring unit for measuring a distance between the stator and the carrier so that the length of the hole is measured.

The fastener fastening hole measuring device according to the present invention provides a measuring device capable of measuring the length of the fastening hole regardless of the fastener type, thereby improving the measuring efficiency, Can be minimized.

The technical effects of the present invention are not limited to the effects mentioned above, and other technical effects not mentioned can be clearly understood by those skilled in the art from the following description.

1 is a perspective view showing a fastener fastening hole measuring apparatus according to the present embodiment,
Fig. 2 is a cross-sectional view showing a pressing portion of the fastener fastening hole measuring apparatus according to the present embodiment,
3 is a flowchart showing a fastener fastening hole measuring method according to the present embodiment,
4 to 8 are operation diagrams showing the operation of the fastener fastening hole measuring apparatus according to the present embodiment.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it should be understood that the present invention is not limited to the disclosed embodiments, but may be implemented in various forms, and the present embodiments are not intended to be exhaustive or to limit the scope of the invention to those skilled in the art. It is provided to let you know completely. The shape and the like of the elements in the drawings may be exaggerated for clarity, and the same reference numerals denote the same elements in the drawings.

FIG. 1 is a perspective view showing a fastener fastening hole measuring apparatus according to the present embodiment, and FIG. 2 is a sectional view showing a fastening portion of the fastener fastening hole measuring apparatus according to the present embodiment.

1 and 2, a fastener fastening hole measuring apparatus 100 (hereinafter referred to as a measuring apparatus) according to the present embodiment measures the length of the fastening hole 10. Here, the fastening holes 10 may be in such a state that the fastening holes 10 formed in at least one of the fasteners 30 are aligned with each other so that the fasteners are fastened after the length measurement.

In the present embodiment, the measuring device 100 measures the length of the fastener fastening hole 10, but the measuring device 100 measures the length of a general hole formed in the measurement object rather than the fastener fastening hole 10 Lt; / RTI >

Referring to the measuring apparatus 100, the measuring apparatus 100 includes a main body 110. The body 110 forms the outer shape of the measuring apparatus 100. [ The main body 110 may include a rod-shaped body 111 having a receiving space formed therein and a grip portion 113 extending from the body 111.

The main body 110 is provided with a stator 200 and a stator control unit 210.

First, the stator 200 is disposed in a lower region of the main body 110. Here, the stator 200 may be provided as a pair, but the number of the stator 200 is not limited. The stator 200 is arranged to pass through both side walls of the main body 110 from the receiving space of the main body 110 and can be taken into and out of the main body 110 by the stator control unit 210.

The stator control unit 210 includes an elastic body 211 and an elastic body manipulation unit 213.

The elastic body 211 may be arranged to support a pair of stators 200 inside the body 110. When the main body 110 is inserted into the fastening hole 10, the pair of stator 200 is recessed into the main body 110 and the insertion region of the main body 110 easily penetrates the fastening hole 10 So that the elastic body 211 can be easily detached from the main body 110 after that.

The elastic body 211 is operated by the elastic body operating portion 213 and can be provided to be compressible by an external force provided from the elastic body operating portion 213. When the elastic body 211 is compressed by the elastic body manipulating part 213, the pair of stator 200 can sink into the body 110 by itself. After the length of the fastening hole 10 is measured, Can be easily detached from the fastening hole 10. The elastic body manipulation unit 213 may include an interface provided on the body 110 in the form of a button, but the shape of the elastic body manipulation unit 213 is not limited.

In the present embodiment, the elastic body 211 is compressed by the elastic body operating portion 213 so that the pair of stator 200 is indented into the main body 110 by itself. However, (213) can be omitted.

On the other hand, a conveyor 300 is disposed above the stator 200. The conveyor 300 may be provided in a pair so as to correspond to the pair of stator 200, but the number of the conveyor 300 is not limited. The distance between the stator 200 and the conveyor 300 can be varied by moving the conveyor 300 along the outer circumferential surface of the main body 110. A guide slit 115 is formed on both side walls of the main body 110 for guiding the conveyance of the pair of conveyors 300.

The main body 110 is provided with a pressing unit 400 that presses the carrier 300 toward the stator 200 so that the stator 200 and the carrier 300 are brought into close contact with both surfaces of the clamped object 30 . The pressing portion 400 includes a transfer portion 410 and a contact portion 430.

The conveying unit 410 is disposed in the main body 110 and is provided with a support frame 411 for supporting a pair of conveyors 300 at a lower portion thereof. The support frame 411 is provided in the form of a rack gear, and a toothed portion is disposed in the longitudinal direction of the main body 110.

The adhered portion 430 may finely move the transfer portion 410 toward the stator 200 so that the stator 200 and the conveyor 300 are closely contacted to both surfaces of the fastener 30. The tight contact portion 430 includes a rotation portion 431, a support frame press portion 433, and a restriction portion 435.

First, the rotation part 431 is disposed inside the main body 110. The rotation portion 431 is rotatably disposed in the form of a pinion gear in engagement with the tooth portion of the transfer portion 410. Here, the rotation part 431 is supported on a shaft disposed to penetrate the main body, and is rotated with respect to the shaft.

The support frame pressing portion 433 is disposed below the grip portion 113. The support frame pressing portion 433 is provided in the form of a frame. The rotation frame 431 is disposed between the main body 110 and the support frame press portion 433 so that the support frame press portion 433 is rotatable about an axis disposed in the main body 110 Lt; / RTI >

The restriction unit 435 is provided in the support frame 411 in the form of a trigger. Here, the restricting portion 435 is rotatably provided on the basis of the elastic member 435a provided on the support frame 411, for example, a circular spring. The restricting portion 435 includes a bent portion 435b facing the rotation portion 431 from the inside of the support frame 411. [ The bent portion 435b is not in contact with the rotation portion 431 in a state in which the restriction portion 435 does not rotate axially, that is, when the restriction portion 435 is not recessed into the support frame 411, The rotation of the rotation part 431 is limited by contacting the teeth of the rotation part 431 when the restriction part 435 is recessed into the support frame 411. [ In this case, the conveyance of the conveyance part 410 engaged with the rotation part 431 is also restricted.

The main body 110 is provided with a measuring unit 500 for measuring the distance between the stator 200 and the carrier 300. The measuring unit 500 measures the distance between the stator 200 and the conveyor 300 based on the sensors 510 and 530 provided in the stator 200 and the conveyor 300, Sensing technology for measuring the distance between the stator 200 and the conveyor 300 on the basis of the electrodes provided on the stator 200 and the conveyor 300, These measurement techniques are well known in the art and will not be described in detail.

An output unit 600 is provided at an upper end of the main body 110. The output unit 600 displays the distance between the stator 200 and the conveyor 300 based on a signal provided from the measuring unit 500. At this time, the numerical value displayed on the output unit 600 may be variously labeled as inches and millimeters (mm) according to the setting inputted to the output unit 600. A grip requirement may be input to the output unit 600 according to the fastener specification before the measurement of the length of the fastening hole 10. The length of the fastening hole 10 may be measured in the output unit 600, 200 and the conveyor 300, and the kind of fastener that satisfies the distance value.

Hereinafter, the operation of the fastener fastening hole measuring apparatus will be described in detail with reference to the accompanying drawings. However, the above-described components will not be described in detail and will be denoted by the same reference numerals.

FIG. 3 is a flowchart showing a fastener fastening hole measuring method according to the present embodiment, and FIGS. 4 to 7 are operation diagrams showing an operation of the fastener fastening hole measuring apparatus according to the present embodiment.

As shown in FIGS. 3 to 7, in the fastener fastening hole measuring method according to the present embodiment, the operator inputs the grip requirement for each fastener specification to the output unit 600.

Then, the main body 110 is inserted into the fastening hole 10 (S100). Here, the fastening hole 10 may have a gap between the plurality of fasteners 30, which are arranged so that the holes formed in the plurality of fasteners 30 are overlapped with each other.

As the main body 110 is inserted into the fastening hole 10, the stator 200 having the downward inclined surface contacts the fastened body 30 and sinks into the main body 110 (see FIG. 4). The stator 200 protrudes out of the main body 110 by the elastic body 211 as the inserting region of the main body 110 passes through the fastening hole 10 (see FIG. 5). Here, the operator can operate the main body 110 to bring the stator 200 into contact with the lower surface of the fastener.

Thereafter, the conveyor 300 is linearly conveyed by the operator toward the stator 200, and can be brought into contact with the upper surface of the fastener 30 (see Fig. 6). Here, the worker rotates the trigger-type restricting portion 435. The bent portion 435b of the restricting portion 435 is transferred to the rotating portion 431 side and is engaged with the tooth portion of the rotating portion 431. [ Accordingly, the rotation of the rotation part 431 is restricted, and the conveyance of the conveyance part 410 is limited, and the position of the conveyance part 300 is fixed.

When the position of the conveyor 300 is fixed, the operator rotates the support frame pressing portion 433 in the direction of the grip portion 113 while the restricting portion 435 is in contact with the rotation portion 431. Accordingly, as the rotation part 431 engaged with the transfer part 410 is finely moved upward, the rotation part 431 is finely rotated by the transfer part 410. Therefore, the conveying unit 410 is finely moved toward the stator 200 according to the rotation of the rotation unit 431, and the conveyor 300 connected to the conveying unit 410 is also finely moved toward the stator 200. Thus, the conveyor 300 presses the fastener 30, and the clearance that may exist between the fasteners 30 is relieved (see FIG. 7).

Then, the measuring unit 500 may measure the distance between the stator 200 and the conveyor 300, and as a result, measure the length of the fastening hole 10. Here, the output unit 600 displays a numerical value of the length of the fastening hole 10 based on a signal provided from the measuring unit 500. At this time, a fastener suitable for the length of the fastening hole 10, for example, a fastener having a length corresponding to the length of the fastening hole 10 is formed in accordance with the grip requirement of the fastener specification, The type can be displayed.

Thereafter, when the length measurement of the fastening hole 10 is completed, the operator operates the elastic body operating portion 213. [ Thus, the stator 200 itself sinks into the body 110, and the worker releases the measuring apparatus 100 from the fastener 30 (see FIG. 8).

Finally, when the measuring apparatus 100 is detached from the fastener 30, the operator proceeds to fasten the fastener shown in the output unit 600 to the fastener 30.

As described above, the fastener fastening hole measuring device provides a measuring device capable of measuring the length of the fastening hole regardless of the fastener type, thereby improving the measurement efficiency. In addition, the error of the length measuring due to the water treatment work of the operator and the clearance between the fasteners Can be minimized.

One embodiment of the invention described above and shown in the drawings should not be construed as limiting the technical idea of the present invention. The scope of protection of the present invention is limited only by the matters described in the claims, and those skilled in the art will be able to modify the technical idea of the present invention in various forms. Accordingly, such improvements and modifications will fall within the scope of the present invention as long as they are obvious to those skilled in the art.

100: fastener fastening hole measuring device 110:
200: stator 210: stator control unit
300: conveyor 400:
410: transfer part 430:
500: measuring part 600: output part

Claims (7)

A fastener fastening hole measuring device for measuring a fastening hole length of a fastener to which a fastener is inserted,
A body that can be inserted into the fastening hole;
A stator capable of coming into and out of the body and being in contact with one surface of the fastener;
A conveyor linearly moved with respect to the stator along an outer circumferential surface of the body so as to be contactable with the other surface of the fastener;
A pushing portion for pushing the conveyance member toward the stator so that the stator and the conveyance member come in close contact with the fastened member; And
And a measuring unit for measuring a distance between the stator and the conveyor so that the length of the fastening hole is measured.
The method according to claim 1,
The pressing portion
A conveying unit connected to the conveying unit to linearly convey the conveying unit,
And a tightening portion for restricting the conveyance of the conveyance member and pressing the conveyance member toward the stator in a state in which the conveyance of the conveyance member is restricted so that the conveyance member and the stator are brought into close contact with the fastened member. .
3. The method of claim 2,
The conveying portion
And a support frame in the form of a rack gear which is accommodated in the main body and supports the carrier at a lower end thereof.
The method of claim 3,
The close-
A rotation part in the form of a pinion gear rotating in engagement with the support frame,
A restricting portion for restricting the rotation of the rotary portion in a state where the conveyor is in contact with the fastened member to limit the conveyance of the support frame,
And a support frame pressing part for transferring the support frame toward the fastened body in a state where rotation of the rotary part is restricted so that the stator and the conveyor come in close contact with the fastened body.
The method according to claim 1,
Further comprising an output unit disposed in the main body and provided with information on the length of the fastening hole from the measurement unit,
In the output section
Wherein a length value of the fastening hole and a type of fastener corresponding to the length value are displayed.
The method according to claim 1,
And a stator control unit provided in the main body for controlling the entrance and exit of the stator,
The stator control unit
An elastic body connected to the stator so that the stator is recessed into the main body when the main body is inserted into the hole and the stator protrudes from the main body when the main body passes through the hole;
And an elastically-operated portion for allowing the stator to sink into the body when the body is released from the hole by operating the elastic body.
A hole measuring apparatus for measuring a hole length formed in an object to be measured,
A body inserted into the hole;
A stator capable of being brought into and out of the main body and capable of being brought into contact with one surface of the measurement object;
A conveyor linearly moved with respect to the stator along an outer circumferential surface of the body so as to be contactable with the other surface of the measurement object;
A pushing unit for pushing the conveyance member toward the stator so that the stator and the conveyance member come in close contact with the measurement object; And
And a measuring unit for measuring a distance between the stator and the carrier so that the length of the hole is measured.







KR1020150184984A 2015-12-23 2015-12-23 Apparatus for measuring fastener holes KR101807767B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150184984A KR101807767B1 (en) 2015-12-23 2015-12-23 Apparatus for measuring fastener holes

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KR20170075382A true KR20170075382A (en) 2017-07-03
KR101807767B1 KR101807767B1 (en) 2017-12-13

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4876800A (en) 1988-10-07 1989-10-31 Ltv Aerospace And Defense Company Portable grip length indicator
US7065897B2 (en) 2004-11-02 2006-06-27 The Boeing Company Fastener grip length selector
JP2009257798A (en) 2008-04-14 2009-11-05 Nihon Meccs Co Ltd Gap measuring gauge
JP5893979B2 (en) 2012-03-23 2016-03-23 三菱重工業株式会社 Plate thickness measuring device and plate thickness measuring method

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