CN209588936U - A kind of hole edge distance ruler cun detection instrument - Google Patents
A kind of hole edge distance ruler cun detection instrument Download PDFInfo
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- CN209588936U CN209588936U CN201920316495.7U CN201920316495U CN209588936U CN 209588936 U CN209588936 U CN 209588936U CN 201920316495 U CN201920316495 U CN 201920316495U CN 209588936 U CN209588936 U CN 209588936U
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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Abstract
The utility model discloses a kind of hole edge distance ruler cun detection instruments, including main scale, vernier scale, vernier scale to be slidably connected with main scale；Main scale front end is equipped with hole location positioning pin, and hole location positioning pin is connect by positioning seat with main scale front end, and positioning seat is formed with through-hole, and hole location positioning pin is set in through-hole；Vernier scale front end is provided with vernier locating piece；Main scale zero-bit is equal to the distance in vernier positioning block front end face to vernier zero graduation to the distance at hole location positioning pin center.The utility model cooperatively forms hole centre spot by positioning pin and hole to be checked, is close to part edge by the vernier scale two sides locating piece of sliding, forms the vertical line at hole center and part edge, measure the vertical range of hole center and part edge.The utility model structure is simple and convenient to operate, and positioning is quick, high-efficient, solves the problems, such as that inaccurate, part edge verticality caused hole back gauge measurement efficiency not easy to control is low, measurement error is big using positioning when Steel Ruler or vernier caliper.
Description
Technical field
The utility model relates to a kind of tools of measured hole back gauge size, are used for component assembling field or field of machining
Hole back gauge detection.
Background technique
Component assembling is the important link of equipment manufacturing, and wherein drilling, connection are the working contents of component assembling again.
One frame complete machine is related to thousands of a fasteners, and each fastener all refers to drilling work, due to the hole edge distance ruler cun after drilling
Intensity after being directly related to assembled aircraft structure, hole edge distance ruler cun check the important content for assembling quality detection and are critical to
Element.
Product Assembly drawing or digital-to-analogue fastener back gauge size marking are generally hole center to the distance of part edge, at present
There are two types of common detection methods: one is with primary steel board foot, determining hole center and and part edge using visual method
Verticality places Steel Ruler and carries out the measurement of hole back gauge；Or edge and part edge using visual alignment hole, aperture back gauge size
Along with the radius in hole obtains hole edge distance ruler cun.Another kind is to be close to hole wall using vernier caliper claw with general vernier caliper
And part edge, smaller reading is obtained by operator's technical ability or fine rotation slide calliper rule, along with the radius in hole obtains hole edge distance ruler cun.
Above two measurement method has that measurement efficiency is low, measurement error is big.
Summary of the invention
When to solve primary steel board foot, general vernier caliper measurement hole edge distance ruler cun, because visually determining hole center, hole edge
Detection efficiency caused by degree control and hole center edge distance ruler cun manual conversion when edge, measuring scale and part edge are put etc.
Problem low, measurement error is big, the utility model provide a kind of hole edge distance ruler cun detection instrument, which can quickly, accurately determine
Hole edge distance ruler cun inspection is improved to the vertical range (i.e. hole center edge is away from minimum dimension) of part edge in the center and hole center in position hole
The efficiency and precision of survey.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of hole edge distance ruler cun detection instrument, including main scale, vernier scale, which is characterized in that vernier scale and main scale sliding connect
It connects；Main scale front end is equipped with hole location positioning pin, and hole location positioning pin is connect by positioning seat with main scale front end, and positioning seat is formed with through-hole,
Hole location positioning pin is set in through-hole；Vernier scale front end is provided with vernier locating piece；Zero graduation line to hole location positions on main scale
The distance for selling central axis is equal to the distance of zero graduation line on vernier positioning block front end face to vernier scale.
The hole location positioning pin is ladder pin, and corresponding through-hole is stepped hole on positioning seat；The big end ruler of hole location positioning pin
Very little to match with stepped hole big end aperture, hole location positioning pin small end size is matched with part hole aperture to be checked.
The locating piece of the vernier scale along main scale two sides be arranged, two positioning block front end faces it is coplanar and and vernier scale in main scale
The axis perpendicular of upper sliding.
Fastening screw is set on the vernier scale, fixed vernier scale when to measure.
The positioning block hole is equipped with lock-screw, hole location positioning pin when to measure.
It is corresponded on the cylindrical surface of the hole location positioning pin and is equipped with locking plane at lock-screw.
The main scale rear end is provided with limited block.
The utility model detection instrument directly positions finger setting hole center to be checked, vernier scale edge with the hole location being arranged on main scale
Main scale two sides are arranged vernier locating piece, the axis perpendicular that vernier locating piece end face and vernier scale slide on main scale, on main scale
Zero graduation line to ladder hole axis distance at a distance from zero graduation line on the end face to vernier scale of vernier locating piece etc.
Design of length, vernier scale when measurement in mobile detection instrument make vernier locating piece be close to part edge, and main scale reading is hole
Center edge is away from minimum dimension (i.e. hole edge distance ruler cun).
The utility model detection instrument can quickly and accurately search out the center in hole and hanging down for hole center and part edge
Line improves the precision and efficiency of hole edge distance ruler cun detection to measure hole back gauge rapidly.Hole locations all for component assembling process
Hole back gauge check for, can ensure that detection accuracy requires and manufacturing schedule, reduces cost.
Detailed description of the invention
Fig. 1 is the organigram of the utility model；
Fig. 2 is the utility model vernier locating piece and hole location locating pin structure schematic diagram；
Fig. 3 is the utility model measured hole back gauge schematic diagram.
1. hole location positioning pin, 2. lock-screw, 3. positioning seat, 4. main scale, 5. vernier scale, 6. lock-screw 7. limits in figure
Block.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
A kind of hole edge distance ruler of the utility model cun detection instrument in Fig. 1, including main scale (4), vernier scale (5), feature
It is, vernier scale (5) is slidably connected with main scale (4)；Main scale (4) front end is equipped with hole location positioning pin (1), and hole location positioning pin (1) is logical
It crosses positioning seat (3) to connect with main scale (4) front end, positioning seat (3) is formed with through-hole, and hole location positioning pin (1) is set in through-hole；Vernier
Ruler (5) front end is provided with vernier locating piece；On main scale (4) zero graduation line to hole location positioning pin (1) central axis distance etc.
In the distance of zero graduation line on vernier positioning block front end face to vernier scale (5).
The hole location positioning pin (1) is ladder pin, and corresponding through-hole is stepped hole on positioning seat (3)；Hole location positioning pin (1)
Big end (d) size matched with stepped hole big end aperture, hole location positioning pin (1) small end size is matched with part hole aperture to be checked.
For the locating piece of the vernier scale (5) along main scale two sides setting locating piece (a) and locating piece (b), front end face is coplanar
And the axis perpendicular slided on main scale (4) with vernier scale (5).
Fastening screw (6) are set on the vernier scale (5), fixed vernier scale when to measure.
Positioning seat (3) through-hole is equipped with lock-screw (2), hole location positioning pin (1) when to measure.
In Fig. 1, Fig. 2, lock-screw (2) is for locking hole location positioning pin (1), it is ensured that the stability of measurement process；Hole
Milling goes out a plane (c) as locking plane on the cylindrical surface of position positioning pin (1), prevents lock-screw in long-term use process
The cylindrical surface for destroying hole location positioning pin, influences positioning accuracy；Through-hole on hole location positioning pin (1) and positioning seat (3) is both designed as
Stairstepping, to prevent hole location positioning pin from falling off when placing；Sliding slot is provided on vernier scale (5), vernier scale (5) and main scale (4) are sliding
Dynamic connection；Limited block (7) are arranged in main scale (4) end, prevent vernier scale (5) from sliding in use.Zero-bit on main scale (4)
The distance of graduation mark to ladder hole axis is equal to zero graduation line on the end face to vernier scale (5) of vernier locating piece (a) (b)
Distance, to guarantee that main scale scale is started from scratch, main scale reading is hole edge distance ruler cun plus vernier scale reading when actual measurement.
It such as Fig. 3, is locked after hole location positioning pin (1) is put into the ladder hole of positioning seat (3) with lock-screw, then by hole location
Positioning pin insertion is to which in gaging hole, sliding vernier scale (5) is bonded vernier locating piece (a) (b) with part edge, further according to vernier scale
(5) the scale sensing hole back gauge size value on scale and main scale (4) on.In the utility model application, not for part to be measured
The hole location positioning pin (1) of different diameter specifications need to be selected with the aperture of size, big end (d) fit dimension of hole location positioning pin is not
Become, only is dimensioned to match with hole to be checked by its small end (e).
Claims (7)
1. a kind of hole edge distance ruler cun detection instrument, including main scale (4), vernier scale (5), which is characterized in that vernier scale (5) and main scale
(4) it is slidably connected；Main scale (4) front end is equipped with hole location positioning pin (1), and hole location positioning pin (1) passes through positioning seat (3) and main scale (4)
Front end connection, positioning seat (3) are formed with through-hole, and hole location positioning pin (1) is set in through-hole；Vernier scale (5) front end is provided with vernier
Locating piece；The distance of zero graduation line to hole location positioning pin (1) central axis is equal to vernier positioning block front end face extremely on main scale (4)
The distance of zero graduation line on vernier scale (5).
2. a kind of hole edge distance ruler according to claim 1 cun detection instrument, which is characterized in that the hole location positioning pin (1)
For ladder pin, corresponding through-hole is stepped hole on positioning seat (3)；Big end (d) size and stepped hole big end of hole location positioning pin (1)
Aperture matching, hole location positioning pin (1) small end size are matched with part hole aperture to be checked.
3. a kind of hole edge distance ruler according to claim 1 cun detection instrument, which is characterized in that vernier scale (5) determine
For position block along main scale two sides setting locating piece (a) and locating piece (b), front end face is coplanar and sliding on main scale (4) with vernier scale (5)
Dynamic axis perpendicular.
4. a kind of hole edge distance ruler according to claim 1 cun detection instrument, which is characterized in that set on the vernier scale (5)
Fastening screw (6) are set, fixed vernier scale when to measure.
5. a kind of hole edge distance ruler according to claim 1 cun detection instrument, which is characterized in that positioning seat (3) through-hole
It is equipped with lock-screw (2), hole location positioning pin (1) when to measure.
6. a kind of hole edge distance ruler according to claim 5 cun detection instrument, which is characterized in that the hole location positioning pin (1)
Cylindrical surface on correspond at lock-screw (2) be equipped with locking plane.
7. a kind of hole edge distance ruler according to claim 1 cun detection instrument, which is characterized in that main scale (4) rear end is set
It is equipped with limited block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316495.7U CN209588936U (en) | 2019-03-13 | 2019-03-13 | A kind of hole edge distance ruler cun detection instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316495.7U CN209588936U (en) | 2019-03-13 | 2019-03-13 | A kind of hole edge distance ruler cun detection instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209588936U true CN209588936U (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920316495.7U Active CN209588936U (en) | 2019-03-13 | 2019-03-13 | A kind of hole edge distance ruler cun detection instrument |
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| CN (1) | CN209588936U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325742A (en) * | 2020-11-19 | 2021-02-05 | 西安热工研究院有限公司 | Test block cross bore dipperstick for ultrasonic testing |
| CN119436993A (en) * | 2024-09-29 | 2025-02-14 | 保定向阳航空精密机械有限公司 | Device for measuring the distance between the end faces of two arms of an angled piece and the axis of the intersection of two inner or two outer end faces |
-
2019
- 2019-03-13 CN CN201920316495.7U patent/CN209588936U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112325742A (en) * | 2020-11-19 | 2021-02-05 | 西安热工研究院有限公司 | Test block cross bore dipperstick for ultrasonic testing |
| CN119436993A (en) * | 2024-09-29 | 2025-02-14 | 保定向阳航空精密机械有限公司 | Device for measuring the distance between the end faces of two arms of an angled piece and the axis of the intersection of two inner or two outer end faces |
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