CN107796284A - A kind of measuring tool and measuring method of end face V-groove depth - Google Patents
A kind of measuring tool and measuring method of end face V-groove depth Download PDFInfo
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- CN107796284A CN107796284A CN201710898028.5A CN201710898028A CN107796284A CN 107796284 A CN107796284 A CN 107796284A CN 201710898028 A CN201710898028 A CN 201710898028A CN 107796284 A CN107796284 A CN 107796284A
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- Prior art keywords
- dial gauge
- measuring
- face
- groove
- groove depth
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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
- G01B5/18—Measuring arrangements characterised by the use of mechanical techniques for measuring depth
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The measuring tool and measuring method of a kind of end face V-groove depth provided by the invention, body including offering through hole, spring, back-up ring and measuring staff are sequentially installed with from the through hole of the upper surface of body to lower surface, simultaneously, one end of measuring staff is working end, the structure of working end is conical points head-like structure, and is placed on the outside of through hole；Dial gauge is installed with the outside of the upper surface of body, the induction end of dial gauge connects through the other end of spring and measuring staff；The measuring tool has the characteristics of compact-sized, easy to use, measurement result is precisely stablized compared with conventional survey tool, being capable of quick measurement of 100% realization to part end face V-groove depth.Its measurement accuracy depends on the precision of dial gauge, can reach 0.01 or 0.001.Whole measurement process is convenient and swift, can greatly improve detection efficiency, the context of detection especially suitable for high-volume part.And measuring tool safeguards that simply manufacturing cost is low in itself, service life length.
Description
Technical field
The present invention relates to a kind of survey tool of part end face narrow slot depth in machining, especially a kind of end face V-groove
The measuring tool and measuring method of depth.
Background technology
At present, end face narrow slot, V-groove, that the isostructural groove of narrow slot bottom belt V-groove is widely used in aero-engine is big
On type connection seal, such as all kinds of flange parts.Its main purpose, which is to ensure that when flange type part is connected with other parts, to be had
Good sealing property.Operation principle, when sealing gasket stress is deformed, slips into V-type to load sealing gasket on V-groove
In groove, sealing function is played.Typical flange type part is as shown in figure 1, wherein A sizes typically typically exist in 0.5-0.7, B sizes
Between 1-2, angle is generally 90 °.
Traditional V-groove depth measurement method has universal tool microscope measurement Law and tip dial gauge method, wherein universal tool microscope measurement Law
Sample cream collection and setting time are longer during metering, therefore can not accomplish 100% measurement, and the initial workpiece of a collection of part can only be examined
Survey, remaining is then ensured by technique, and the possibility of generation mistakes and omissions inspection is very big, does not have to substantially.
Tip dial gauge method is current most important measuring method.Its measuring principle is that dial gauge is clamped on dial framework,
Dial framework is adjusted to suitable position, carries out returning to zero to table first on part end face, then detects bottom land position, percentage with tip
Reading on table is groove depth size.Major drawbacks have at 2 points when the method measures.First, the tip of tip dial gauge uses work
People's autogenous grinding forms, and tip diameter is not of uniform size, directly affects measurement result.Second, fixed dial framework, table must be relied on during measurement
Support body product is big, heavy, and structure differs, and stability is poor, influences measurement result, and time of measuring is grown, and operator's labor intensity is big.
The content of the invention
It is an object of the invention to provide a kind of measuring tool and measuring method of end face V-groove depth, solves existing V-groove
The defects of measurement result of depth is inaccurate, time of measuring is long and operator's labor intensity is big.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of measuring tool of end face V-groove depth provided by the invention, including the body of through hole is offered, from the upper end of body
Spring, back-up ring and measuring staff are sequentially installed with the through hole of face to lower surface, meanwhile, one end of measuring staff is working end, the knot of working end
Structure is conical points head-like structure, and is placed on the outside of through hole；Dial gauge, the sense of dial gauge are installed with the outside of the upper surface of body
It should hold through the other end of spring and measuring staff and connect.
Preferably, the angle of taper of conical points head-like structure is less than the angle of part V-groove.
Preferably, clamping has the table folder with table folder nut on dial gauge.
Preferably, measuring staff is welded to connect with back-up ring, and back-up ring is fixedly connected with spring.
Preferably, in addition to table block, to offering V-groove on table block, wherein, the angle of V-groove on table block is less than
The angle of tested part V-groove and the angle of taper for being more than measuring staff；To the depth and tested part V-groove of V-groove on table block
Deep equality.
A kind of measuring method of end face V-groove depth, dial gauge is arranged on to the upper surface of body first, then to percentage
Table is zeroed；Finally the lower surface of body is bonded with the end face of tested part, meanwhile, the working end of measuring staff is placed in tested
In the V-groove of part end face, the reading on dial gauge is read.
Preferably, after dial gauge is installed, promote the working end of measuring staff, observation dial gauge whether can flexible rotating,
If can flexible rotating, dial gauge installed.
Preferably, the working end of measuring staff is placed on in table block, rotating dial gauge, the pointer of dial gauge was pointed to for 0 quarter
Degree, then complete the zero of dial gauge.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of measuring tool of end face V-groove depth provided by the invention, including body, by the end face of body and tested part
End face is bonded, while measuring staff is placed in V-groove, drives dial gauge to realize straight line back and forth movement by spring, and then pass through
The reading on dial gauge is read, realizes the measurement of V-groove depth；The measuring tool has structure tight compared with conventional survey tool
Gather, be easy to use, the characteristics of measurement result is precisely stablized, 100% can realize quick survey to part end face V-groove depth
Amount.Its measurement accuracy depends on the precision of dial gauge, can reach 0.01 or 0.001.Whole measurement process is convenient and swift, can
Detection efficiency is greatly improved, the context of detection especially suitable for high-volume part.And measuring tool is safeguarded simply in itself, manufacturing cost
It is low, service life length.
Further, the angle of taper of measuring staff working end is less than the angle of part V-groove, it is ensured that can detect V-groove
Groove bottom part.
Further, by realizing the zero of dial gauge to table block.
The measuring method for a kind of end face V-groove depth that the present invention also provides, by the end face of body and the end of tested part
Face is bonded, while measuring staff is placed in V-groove, drives dial gauge to realize straight line back and forth movement by spring, and then pass through reading
The reading on dial gauge is taken, realizes the measurement of V-groove depth；The measuring tool compared with conventional survey tool, have it is compact-sized,
The characteristics of easy to use, measurement result is precisely stablized, being capable of quick measurement of 100% realization to part end face V-groove depth.Its
Measurement accuracy depends on the precision of dial gauge, can reach 0.01 or 0.001.Whole measurement process is convenient and swift, can be significantly
Improve detection efficiency, the context of detection especially suitable for high-volume part.And measuring tool safeguards that simply manufacturing cost is low, makes in itself
Use long lifespan.
Brief description of the drawings
Fig. 1 is measuring tool structural representation；
Fig. 2 is to table block structural representation；
Fig. 3 is tested part structural representation；
Fig. 4 is enlarged drawing at D；
Wherein, 1, body 2, measuring staff 3, back-up ring 4, nut 8, dial gauge 9, tested zero are pressed from both sides to table block 5, spring 6, table folder 7, table
Part.
Embodiment
The present invention is described in more detail below in conjunction with the accompanying drawings.
As shown in figure 1, the measuring tool and measuring method of a kind of end face V-groove depth provided by the invention, including body 1, survey
Bar 2, back-up ring 3, nut 7 and dial gauge 8 are pressed from both sides to table block 4, spring 5, table folder 6, table, wherein, through hole, through hole are offered in body 1
One end measuring staff 2 is installed, one end of measuring staff 2 is working end, is placed in the outside of through hole, and the other end of measuring staff 2 is placed in through hole
It is welded to connect with one end of back-up ring 3, the other end of back-up ring 3 is fixedly connected with one end of spring 5, and the other end of spring 5 is fixed
On body 1.
The working end of measuring staff 2 is conical points head-like structure, and the angle of taper of conical points head-like structure should be less than part V-groove
Angle, pointed portion while intensity is ensured should enough point, it is ensured that the groove bottom part of V-groove can be detected.
Dial gauge 8 is placed on the outside of the end of body 1, and induction part is stretched into spring 5 and is connected with the end of measuring staff 2.
Clamping has table to press from both sides 6 on dial gauge 8, and table folder nut 7 is provided with table folder 6；Matching somebody with somebody for nut 7 is pressed from both sides by table folder 6 and table
Close so that dial gauge 8 is fixed on body 1.
As shown in Fig. 2 to offering V-groove on table block 4, wherein, size A and size B correspond respectively to the angle of V-groove
Size and depth dimensions, size A should be less than the Angular Dimension of tested part V-groove and more than the angle of taper size of measuring staff 2, chis
Very little B should be equal with the depth dimensions of tested part V-groove；When being so able to ensure that to table, the pointed nose potential energy of measuring staff 2 enough visit to
The bosom of V-groove.
Dial gauge 8 is initially introduced into before measurement to correct position, table folder nut 7 is then tightened, measuring staff 2 is gently promoted with hand
Working end, observation dial gauge 8 whether can flexible rotating, if can flexible rotating illustrate that dial gauge 8 has installed；
Then measuring staff 2 is pressed into carrying out, to table, rotating dial gauge 8 in table block 4, pointer is pointed to 0 scale, table is worked
Complete；
As shown in Figure 3, Figure 4, the detection to part next can be achieved, measuring staff 2 is pressed into part end face V-groove,
The lower surface of body 1 is bonded with part end face, and now the reading on table can reflect the actual grade of tested V-groove.
Claims (8)
- A kind of 1. measuring tool of end face V-groove depth, it is characterised in that：Body (1) including offering through hole, from body (1) Spring (5), back-up ring (3) and measuring staff (2) are sequentially installed with the through hole of upper surface to lower surface, meanwhile, one end of measuring staff (2) is work Make end, the structure of working end is conical points head-like structure, and is placed on the outside of through hole；It is fixedly mounted on the outside of the upper surface of body (1) There is dial gauge (8), the induction end of dial gauge (8) is connected through spring (5) with the other end of measuring staff (2).
- A kind of 2. measuring tool of end face V-groove depth according to claim 1, it is characterised in that：Conical points head-like structure Angle of taper is less than the angle of part V-groove.
- A kind of 3. measuring tool of end face V-groove depth according to claim 1, it is characterised in that：There is clamping on dial gauge (8) Table with table folder nut (7) presss from both sides (6).
- A kind of 4. measuring tool of end face V-groove depth according to claim 1, it is characterised in that：Measuring staff (2) and back-up ring (3) It is welded to connect, back-up ring (3) is fixedly connected with spring (5).
- A kind of 5. measuring tool of end face V-groove depth according to claim 1, it is characterised in that：Also include to table block (4), To offering V-groove on table block (4), wherein, the angle of tested part V-groove and big is less than to the angle of V-groove on table block (4) Angle of taper in measuring staff (2)；Depth and the deep equality of tested part V-groove to V-groove on table block (4).
- 6. a kind of measuring method of the measuring tool of the end face V-groove depth based on described in claim any one of 1-5, its feature exist In：Dial gauge (8) is arranged on to the upper surface of body (1) first, then dial gauge is zeroed；Finally by body (1) Lower surface is bonded with the end face of tested part, meanwhile, the working end of measuring staff (2) is placed in the V-groove of tested part end face, read Take the reading on dial gauge (8).
- A kind of 7. measuring method of end face V-groove depth according to claim 6, it is characterised in that：Dial gauge (8) is pacified After installing, promote measuring staff (2) working end, observation dial gauge (8) whether can flexible rotating, if can flexible rotating, hundred Table (8) is divided to install.
- A kind of 8. measuring method of end face V-groove depth according to claim 6, it is characterised in that：By the work of measuring staff (2) It is placed on as end in table block (4), rotation dial gauge (8), making the pointer of dial gauge (8) point to 0 scale, then completing dial gauge (8) zero.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898028.5A CN107796284A (en) | 2017-09-28 | 2017-09-28 | A kind of measuring tool and measuring method of end face V-groove depth |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898028.5A CN107796284A (en) | 2017-09-28 | 2017-09-28 | A kind of measuring tool and measuring method of end face V-groove depth |
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| CN107796284A true CN107796284A (en) | 2018-03-13 |
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| CN201710898028.5A Pending CN107796284A (en) | 2017-09-28 | 2017-09-28 | A kind of measuring tool and measuring method of end face V-groove depth |
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Cited By (4)
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| CN109000541A (en) * | 2018-09-05 | 2018-12-14 | 中国航发动力股份有限公司 | A kind of micro hole part degree mouth diameter measuring device and method |
| CN110207574A (en) * | 2019-06-03 | 2019-09-06 | 安徽天航机电有限公司 | A kind of aviation screw cross recess depth detection apparatus and its detection method |
| CN112197671A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Device and method for detecting distance from blade fixed point to casing end face |
| CN114812333A (en) * | 2022-05-23 | 2022-07-29 | 高密市勇利机械有限公司 | V-groove inspection tool of movable workbench and inspection method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000541A (en) * | 2018-09-05 | 2018-12-14 | 中国航发动力股份有限公司 | A kind of micro hole part degree mouth diameter measuring device and method |
| CN110207574A (en) * | 2019-06-03 | 2019-09-06 | 安徽天航机电有限公司 | A kind of aviation screw cross recess depth detection apparatus and its detection method |
| CN112197671A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Device and method for detecting distance from blade fixed point to casing end face |
| CN114812333A (en) * | 2022-05-23 | 2022-07-29 | 高密市勇利机械有限公司 | V-groove inspection tool of movable workbench and inspection method thereof |
| CN114812333B (en) * | 2022-05-23 | 2023-09-22 | 高密市勇利机械有限公司 | Movable workbench V-groove inspection tool and inspection method thereof |
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Application publication date: 20180313 |
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