CN105258617A - Conicity measurer for fast measuring conicity of inner conical surface - Google Patents
Conicity measurer for fast measuring conicity of inner conical surface Download PDFInfo
- Publication number
- CN105258617A CN105258617A CN201510662829.2A CN201510662829A CN105258617A CN 105258617 A CN105258617 A CN 105258617A CN 201510662829 A CN201510662829 A CN 201510662829A CN 105258617 A CN105258617 A CN 105258617A
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- Prior art keywords
- cylinder
- survey cylinder
- conical surface
- inner conical
- interior
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Abstract
The invention belongs to measurement technology and relates to a conicity measurer for fast measuring the conicity of an inner conical surface. The conicity measurer is composed of an inner measuring cylinder (1), a spring (2), an outer measuring cylinder (3), and a stopping pin (4). The conicity measurer for fast measuring the conicity of the inner conical surface simplifies a detection process, shortens a period, and greatly improves detection efficiency.
Description
Technical field
The invention belongs to measuring technique, relate to a kind of survey cone device of Quick Measurement inner conical surface tapering.
Background technology
Some aviation parts batch produce the tapering of inner conical surface on on-line checkingi part time, its testing process consumes time is long, causes detection efficiency very low.At present to the feeler gauge of the measurement of inner conical surface tapering on part normally production standard, at the surface smear developer of the part conical surface, by both contacts, observe developer situation residual on the tested conical surface to judge the crudy of tapering.Or utilize tool microscope (now needing to destroy the workpiece containing inner conical surface), measure tapering by the method for projection.These method testing processes are complicated, the cycle is long, efficiency is low, are difficult to be suitable for measuring real-time online in batch production.Therefore, a kind of survey instrument that can detect inner conical surface tapering on part is quickly and easily badly in need of in production practices.
Summary of the invention
The object of the invention is: the survey cone device proposing a kind of energy Quick Measurement inner conical surface tapering, to simplify testing process, shorten the cycle, improve detection efficiency.
Technical scheme of the present invention is: a kind of survey cone device for measuring inner conical surface tapering, and it is characterized in that, it is made up of interior survey cylinder 1, spring 2, outer survey cylinder 3 and spacer pin 4;
A, interior survey cylinder 1 have the profile of Step Shaft, the left section of measurement handle 1a being solid cylinder and forming of interior survey cylinder 1, right section of interior survey cylinder 1 is hollow cylinder 1b, the external diameter measuring handle 1a is less than the external diameter of hollow cylinder 1b, the central bore 1c of hollow cylinder 1b is the blind hole being opened on interior survey cylinder 1 right side, the external cylindrical surface of hollow cylinder 1b has radially through, that stretch vertically, oblong stopper slot 1d, and stopper slot 1d is vertical with the central bore 1c of hollow cylinder 1b through;
B, outer survey cylinder 3 is cylinders that a right-hand member opens wide, outer survey cylinder 3 left side is with center pit, the aperture of this center pit is less than the aperture of outer survey cylinder 3 endoporus, the hollow cylinder 1b of right section of interior survey cylinder 1 is arranged in the endoporus of outer survey cylinder 3 and keeps clearance fit, the measurement handle 1a of left section of interior survey cylinder 1 passes left from the center pit of outer survey cylinder 3 left side, measure the center pit clearance fit of handle 1a and outer survey cylinder 3 left side, outside survey cylinder 3 external cylindrical surface on have radially through limit pin hole, keep glade plane space in the stopper slot 1d that the middle part of spacer pin 4 is through interior survey cylinder 1, the two ends of spacer pin 4 are positioned at the limit pin hole of outer survey cylinder 3 and keep interference fit,
C, spring 2 are enclosed within the measurement handle 1a of left section of interior survey cylinder 1, and the left end of spring 2 withstands the bottom surface of outer survey cylinder 3 endoporus, and the right-hand member of spring 2 withstands the step end face of interior survey cylinder 1, and before starting measurement, the right side of outer survey cylinder 3 is positioned at the left side of survey cylinder 1 right side;
D, on the face of cylinder measuring handle 1a, there are two certification mark lines that are annular, that be parallel to each other, respectively: be positioned at the left certification mark line 1e on the left side and be positioned at the right certification mark line 1f on the right, the plane orthogonal at left certification mark line 1e place in the axis of interior survey cylinder 1, according to the distance L1 of the left certification mark of formulae discovery below line 1e to interior survey cylinder 1 right side:
L
1＝0.5×(D
1-D
2)÷tanγ
1+L
2…………………………………………[1]
γ
1＝0.5×(β－λ)………………………………………………………[2]
In formula: D
1the external diameter of outer survey cylinder 3, D
2be the external diameter of interior survey cylinder 1, β is the nominal value of the angle of taper of inner conical surface 5a on measured piece 5, and λ is the upper deviation of inner conical surface 5a cone angle or the absolute value of lower deviation, and the cone angle size of inner conical surface 5a is expressed as β ± λ, L
2the length of outer survey cylinder 3, γ
11/2nd values of the minimum value of the angle of taper of inner conical surface 5a on measured piece 5;
According to the distance L of the right certification mark of formulae discovery below line 1f to interior survey cylinder 1 right side
3:
L
3＝0.5×D
1-D
2÷tanγ
2+L
2…………………………………………[3]
γ
2＝0.5×(β+λ)………………………………………………………[4]
In formula: D
1the external diameter of outer survey cylinder 3, D
2be the external diameter of interior survey cylinder 1, β is the nominal value of the angle of taper of inner conical surface 5a on measured piece 5, and λ is the upper deviation of inner conical surface 5a cone angle or the absolute value of lower deviation, and the cone angle size of inner conical surface 5a is expressed as β ± λ, L
2be the length of outer survey cylinder 3, γ 2 is 1/2nd values of the maximal value of the angle of taper of inner conical surface 5a on measured piece 5;
Advantage of the present invention is: the survey cone device proposing a kind of energy Quick Measurement inner conical surface tapering, simplifies testing process, shorten the cycle, substantially increase detection efficiency.One embodiment of the present of invention, prove through test, detection efficiency improves more than 10 times.
Accompanying drawing explanation
Fig. 1 is the structural representation that device is bored in the survey of measuring for inner conical surface.
Fig. 2 is the tested part figure in embodiment with inner conical surface.
Embodiment
Below the present invention is described in further details.See Fig. 1, a kind of survey cone device for measuring inner conical surface tapering, it is characterized in that, it is made up of interior survey cylinder 1, spring 2, outer survey cylinder 3 and spacer pin 4;
A, interior survey cylinder 1 have the profile of Step Shaft, the left section of measurement handle 1a being solid cylinder and forming of interior survey cylinder 1, right section of interior survey cylinder 1 is hollow cylinder 1b, the external diameter measuring handle 1a is less than the external diameter of hollow cylinder 1b, the central bore 1c of hollow cylinder 1b is the blind hole being opened on interior survey cylinder 1 right side, the external cylindrical surface of hollow cylinder 1b has radially through, that stretch vertically, oblong stopper slot 1d, and stopper slot 1d is vertical with the central bore 1c of hollow cylinder 1b through;
B, outer survey cylinder 3 is cylinders that a right-hand member opens wide, outer survey cylinder 3 left side is with center pit, the aperture of this center pit is less than the aperture of outer survey cylinder 3 endoporus, the hollow cylinder 1b of right section of interior survey cylinder 1 is arranged in the endoporus of outer survey cylinder 3 and keeps clearance fit, the measurement handle 1a of left section of interior survey cylinder 1 passes left from the center pit of outer survey cylinder 3 left side, measure the center pit clearance fit of handle 1a and outer survey cylinder 3 left side, outside survey cylinder 3 external cylindrical surface on have radially through limit pin hole, keep glade plane space in the stopper slot 1d that the middle part of spacer pin 4 is through interior survey cylinder 1, the two ends of spacer pin 4 are positioned at the limit pin hole of outer survey cylinder 3 and keep interference fit,
C, spring 2 are enclosed within the measurement handle 1a of left section of interior survey cylinder 1, and the left end of spring 2 withstands the bottom surface of outer survey cylinder 3 endoporus, and the right-hand member of spring 2 withstands the step end face of interior survey cylinder 1, and before starting measurement, the right side of outer survey cylinder 3 is positioned at the left side of survey cylinder 1 right side;
D, on the face of cylinder measuring handle 1a, there are two certification mark lines that are annular, that be parallel to each other, respectively: be positioned at the left certification mark line 1e on the left side and be positioned at the right certification mark line 1f on the right, the plane orthogonal at left certification mark line 1e place in the axis of interior survey cylinder 1, according to the distance L1 of the left certification mark of formulae discovery below line 1e to interior survey cylinder 1 right side:
L
1＝0.5×(D
1-D
2)÷tanγ
1+L
2…………………………………………[1]
γ
1＝0.5×(β－λ)………………………………………………………[2]
In formula: D
1the external diameter of outer survey cylinder 3, D
2be the external diameter of interior survey cylinder 1, β is the nominal value of the angle of taper of inner conical surface 5a on measured piece 5, and λ is the upper deviation of inner conical surface 5a cone angle or the absolute value of lower deviation, and the cone angle size of inner conical surface 5a is expressed as β ± λ, L
2the length of outer survey cylinder 3, γ
11/2nd values of the minimum value of the angle of taper of inner conical surface 5a on measured piece 5;
According to the distance L of the right certification mark of formulae discovery below line 1f to interior survey cylinder 1 right side
3:
L
3＝0.5×(D
1-D
2)÷tanγ
2+L
2…………………………………………[3]
γ
2＝0.5×(β+λ)………………………………………………………[4]
In formula: D
1the external diameter of outer survey cylinder 3, D
2be the external diameter of interior survey cylinder 1, β is the nominal value of the angle of taper of inner conical surface 5a on measured piece 5, and λ is the upper deviation of inner conical surface 5a cone angle or the absolute value of lower deviation, and the cone angle size of inner conical surface 5a is expressed as β ± λ, L
2be the length of outer survey cylinder 3, γ 2 is 1/2nd values of the maximal value of the angle of taper of inner conical surface 5a on measured piece 5;
Using method of the present invention is: when measuring the cone angle size of the male cone (strobilus masculinus) 5a on measured piece 5, contacted respectively with the respective diameters place of inner conical surface 5a to be detected by the external cylindrical surface of outer survey cylinder 3, the external cylindrical surface of hollow cylinder 1b, to the monitoring of tip-to-face distance deviation both during contact, taper measurement can be realized.Measuring process of the present invention is:
When measuring internal taper size beta (± λ), when the inner conical surface 5a on to be measured 5 enters measuring position, first external cylindrical surface corresponding with inner conical surface 5a (measure-alike with the hollow cylinder 1b external cylindrical surface) place surveying the hollow cylinder 1b right side of cylinder 1 in contacts, cylinder 3 is surveyed outward by hand propelled, its right-hand member external cylindrical surface corresponding with inner conical surface 5a (measure-alike with outer survey cylinder 3 right-hand member external cylindrical surface) place is contacted, and now outer cylinder 3 of surveying cannot move right again.Observe the outer relative position surveying cylinder 3 left side and left certification mark line 1e, right certification mark line 1f, when outer survey cylinder 3 left side is between left certification mark line 1e, right certification mark line 1f, can judge that the tapering size value of inner conical surface 5a to be measured meets β (± λ) requirement, namely tapering is qualified.When outer survey cylinder 3 left side is in left certification mark line 1e, right certification mark line 1f side, can judge that the tapering size value of inner conical surface 5a to be measured does not meet β (± λ) requirement, namely tapering is defective; When outer survey cylinder 3 left side is on the left of left certification mark line 1e, actual tapering size value is less than (β-λ); When outer survey cylinder 3 left side is on the right side of right certification mark line 1f, actual tapering size value is greater than (β+λ).
Embodiment
Can have inner conical surface structure by valve part in certain laser gyro, its structure is see Fig. 2, and its inner conical surface Angular Dimension is 15 ° ± 30 ', and when detecting it, the correlation parameter surveying cone device is as follows:
γ
1＝0.5×(15°－30′)＝7.25°；
γ
2＝0.5×(15°+30′)＝7.75°。
Select d
1=5mm, d
2=3mm, L
2=40mm, L
1and L
3value is calculated as follows:
L
1＝0.5×(5-3)÷tan(7.25)+40＝47.861mm；
L
3＝0.5×(5-3)÷tan(7.75)+40＝47.348mm。
When measuring internal taper size 15 ° ± 30 ', when entering measuring position by the inner conical surface on valve part, first external cylindrical surface φ 3 corresponding with inner conical surface (measure-alike with the hollow cylinder 1b external cylindrical surface) place surveying the hollow cylinder 1b right side of cylinder 1 in contacts, cylinder 3 is surveyed outward by hand propelled, its right-hand member external cylindrical surface φ 5 corresponding with inner conical surface (measure-alike with outer survey cylinder 3 right-hand member external cylindrical surface) place is contacted, and now outer cylinder 3 of surveying cannot move right again.Observe the outer relative position surveying cylinder 3 left side and left certification mark line 1e, right certification mark line 1f, when outer survey cylinder 3 left side is between left certification mark line 1e, right certification mark line 1f, can judge that the tapering size value of inner conical surface to be measured meets 15 ° ± 30 ' requirement, namely tapering is qualified.When outer survey cylinder 3 left side is in left certification mark line 1e, right certification mark line 1f side, can judge that the tapering size value of inner conical surface to be measured does not meet 15 ° ± 30 ' requirement, namely tapering is defective; When outer survey cylinder 3 left side is on the left of left certification mark line 1e, actual tapering size value is less than (15 °-30 '); When outer survey cylinder 3 left side is on the right side of right certification mark line 1f, actual tapering size value is greater than (15 °+30 ').
Claims (1)
1., for measuring a survey cone device for inner conical surface tapering, it is characterized in that, it is made up of interior survey cylinder (1), spring (2), outer survey cylinder (3) and spacer pin (4);
A, interior survey cylinder (1) has the profile of Step Shaft, the left section of measurement handle (1a) being solid cylinder and forming of interior survey cylinder (1), right section of interior survey cylinder (1) is hollow cylinder (1b), the external diameter measuring handle (1a) is less than the external diameter of hollow cylinder (1b), the central bore (1c) of hollow cylinder (1b) is the blind hole being opened on interior survey cylinder (1) right side, the external cylindrical surface of hollow cylinder (1b) have radially through, stretch vertically, oblong stopper slot (1d), stopper slot (1d) is vertical through with the central bore (1c) of hollow cylinder (1b),
B, outer survey cylinder (3) is the cylinder that a right-hand member opens wide, outer survey cylinder (3) left side is with center pit, the aperture of this center pit is less than the aperture of outer survey cylinder (3) endoporus, the hollow cylinder (1b) of interior right section of survey cylinder (1) is arranged in the endoporus of outer survey cylinder (3) and keeps clearance fit, the measurement handle (1a) of interior left section of survey cylinder (1) passes left from the center pit of outer survey cylinder (3) left side, measure the center pit clearance fit of handle (1a) and outer survey cylinder (3) left side, the external cylindrical surface surveying cylinder (3) outside there is radially through limit pin hole, keep glade plane space in the stopper slot (1d) that the middle part of spacer pin (4) is through interior survey cylinder (1), the two ends of spacer pin (4) are positioned at the limit pin hole of outer survey cylinder (3) and keep interference fit,
C, spring (2) are enclosed within the measurement handle (1a) of interior left section of survey cylinder (1), the left end of spring (2) withstands the bottom surface of outer survey cylinder (3) endoporus, the right-hand member of spring (2) withstands the step end face of interior survey cylinder (1), before starting measurement, the right side of outer survey cylinder (3) is positioned at the left side of survey cylinder (1) right side;
D, on the face of cylinder measuring handle (1a), there are two certification mark lines that are annular, that be parallel to each other, respectively: be positioned at the left certification mark line (1e) on the left side and be positioned at the right certification mark line (1f) on the right, the plane orthogonal at left certification mark line (1e) place in the axis of interior survey cylinder (1), according to the distance L1 of the left certification mark of formulae discovery below line (1e) to interior survey cylinder (1) right side:
L
1＝0.5×(D
1-D
2)÷tanγ
1+L
2………………………………………[1]
γ
1＝0.5×(β－λ)………………………………………………………[2]
In formula: D
1the external diameter of outer survey cylinder 3, D
2be the external diameter of interior survey cylinder 1, β is the nominal value of the angle of taper of inner conical surface 5a on measured piece 5, and λ is the upper deviation of inner conical surface 5a cone angle or the absolute value of lower deviation, and the cone angle size of inner conical surface 5a is expressed as β ± λ, L
2the length of outer survey cylinder 3, γ
11/2nd values of the minimum value of the angle of taper of inner conical surface 5a on measured piece 5;
According to the distance L of the right certification mark of formulae discovery below line 1f to interior survey cylinder 1 right side
3:
L
3＝0.5×D
1-D
2÷tanγ
2+L
2…………………………………………[3]
γ
2＝0.5×(β+λ)………………………………………………………[4]
In formula: D
1the external diameter of outer survey cylinder 3, D
2be the external diameter of interior survey cylinder 1, β is the nominal value of the angle of taper of inner conical surface 5a on measured piece 5, and λ is the upper deviation of inner conical surface 5a cone angle or the absolute value of lower deviation, and the cone angle size of inner conical surface 5a is expressed as β ± λ, L
2the length of outer survey cylinder 3, γ
21/2nd values of the maximal value of the angle of taper of inner conical surface 5a on measured piece 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510662829.2A CN105258617A (en) | 2015-10-08 | 2015-10-08 | Conicity measurer for fast measuring conicity of inner conical surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510662829.2A CN105258617A (en) | 2015-10-08 | 2015-10-08 | Conicity measurer for fast measuring conicity of inner conical surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105258617A true CN105258617A (en) | 2016-01-20 |
Family
ID=55098404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510662829.2A Pending CN105258617A (en) | 2015-10-08 | 2015-10-08 | Conicity measurer for fast measuring conicity of inner conical surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105258617A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547094A (en) * | 2016-01-23 | 2016-05-04 | 中信戴卡股份有限公司 | Tool for detecting height of circular cone |
| CN106441036A (en) * | 2016-09-24 | 2017-02-22 | 中信戴卡股份有限公司 | Taper compound detection tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005227222A (en) * | 2004-02-16 | 2005-08-25 | Osg Corp | Measuring gage for effective diameter of female screw |
| CN101451807A (en) * | 2007-11-29 | 2009-06-10 | 李汀 | Hole taper gauge |
| CN102042794A (en) * | 2009-10-20 | 2011-05-04 | 刘建新 | Taper detection device |
| CN102679847A (en) * | 2011-03-08 | 2012-09-19 | 新兴重工湖北三六一一机械有限公司 | Inner hole chamfer depth gauge |
| CN202947613U (en) * | 2012-11-18 | 2013-05-22 | 无锡麦铁精密机械制造有限公司 | In-hole trapezoidal groove touch gauge |
-
2015
- 2015-10-08 CN CN201510662829.2A patent/CN105258617A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005227222A (en) * | 2004-02-16 | 2005-08-25 | Osg Corp | Measuring gage for effective diameter of female screw |
| CN101451807A (en) * | 2007-11-29 | 2009-06-10 | 李汀 | Hole taper gauge |
| CN102042794A (en) * | 2009-10-20 | 2011-05-04 | 刘建新 | Taper detection device |
| CN102679847A (en) * | 2011-03-08 | 2012-09-19 | 新兴重工湖北三六一一机械有限公司 | Inner hole chamfer depth gauge |
| CN202947613U (en) * | 2012-11-18 | 2013-05-22 | 无锡麦铁精密机械制造有限公司 | In-hole trapezoidal groove touch gauge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547094A (en) * | 2016-01-23 | 2016-05-04 | 中信戴卡股份有限公司 | Tool for detecting height of circular cone |
| CN106441036A (en) * | 2016-09-24 | 2017-02-22 | 中信戴卡股份有限公司 | Taper compound detection tool |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160120 |
|
| RJ01 | Rejection of invention patent application after publication |