CN106403776A - Method for casting pipe fitting internal diameter roundness degree tolerance detection - Google Patents
Method for casting pipe fitting internal diameter roundness degree tolerance detection Download PDFInfo
- Publication number
- CN106403776A CN106403776A CN201610458842.0A CN201610458842A CN106403776A CN 106403776 A CN106403776 A CN 106403776A CN 201610458842 A CN201610458842 A CN 201610458842A CN 106403776 A CN106403776 A CN 106403776A
- Authority
- CN
- China
- Prior art keywords
- casting pipe
- internal diameter
- pipe fitting
- detection method
- diameter roundness
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
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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
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
-
- 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
- G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
- G01B5/201—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures for measuring roundness
Abstract
The present invention discloses a method for casting pipe fitting internal diameter roundness degree tolerance detection. The method comprises: the step a: detecting the integrity of tool parts for detecting the casting pipe fitting internal diameter roundness degree tolerance; the step b: stretching the tool into an opening at one side of the casting pipe fitting and fixing the tool; the step c: regulating the tool to measure the inner diameters of different portions of the casting pipe fitting and reading and recording data; and the step d, comparing the reading and recording data with the production standard to determine whether the pipe fitting inner diameter is eccentric or not and determine the elliptical degree of the pipe fitting inner diameter. The method for casting pipe fitting internal diameter roundness degree tolerance detection can measure whether the pipe fitting inner diameter is in the tolerance range or not through one-time measurement to improve the detection efficiency and can visually determine the circumference orientation where the distortion of the pipe fitting inner diameter is located to display the distortion degree of each distortion point in real time with no need for calculation so as to reduce the error caused by manual measurement and calculation.
Description
Technical field
The present invention relates to casting pipe detection method, in particular it relates to casting pipe internal diameter roundness tolerance
Detection method.
Background technology
Usually need to detect pipe fitting bellmouth inner diameter deviation in pipe fitting casting field, generally adopt slide gauge or
Internal diameter shrinkage-rule measures pipe connector internal diameter size, needs to pass through along the circumferential direction multimetering, contrast,
Judge that whether oval pipe connector a part and its oval degree.
Its real roundness of especially needed Accurate Determining and its ellipse when the big pipe fitting of circle is lost in correction
Position, so that accurate implement correction.
And prior art suffers from the drawback that：1st, pipe fitting internal diameter each position on circumference can not be embodied lose
The degree (i.e. the actual deviation of size) of circle is it is impossible to intuitively show the circumferential orientation losing circle；2nd, need
Multimetering, comparing calculation, detection efficiency is low.
Therefore, it is badly in need of providing a kind of detection method that can improve detection efficiency.
Content of the invention
It is an object of the invention to provide a kind of casting pipe internal diameter roundness tolerance detection method, this detection side
Method can draw pipe fitting internal diameter whether in the margin of tolerance by one-shot measurement, improves detection efficiency, and energy
Enough intuitive judgment pipe fitting internal diameters lose the circumferential orientation that circle is located, and degree is justified in each mistake losing round dot of display in real time,
Need not calculate, reduce and calculate, because of manual measurement, the error leading to.
To achieve these goals, the invention provides a kind of casting pipe internal diameter roundness tolerance detection side
Method, including：
Step a：Check the cubing part integrity for detecting casting pipe internal diameter roundness tolerance；
Step b：Cubing is stretched into and fixing from the side of casting pipe is uncovered；
Step c：Adjustment cubing measures the internal diameter of casting pipe different parts and reads and record data；
Step d：Judged in casting pipe by the data reading with record is compared with production standard
Footpath has without acceptance of persons and its oval degree.
Preferably, cubing is made up of adjustable seats, regulating bolt, revoliving arm and scalable rule；Can
The two ends end face of tune bearing all partly caves inward and is formed with screwed hole, and the screw rod of regulating bolt can be with spiral shell
Pit head in mating connection and regulating bolt is provided with rubber bulb；One end activity riveting of revoliving arm
In the central point of adjustable seats and so that the other end of revoliving arm is rotated with movable riveting point for the center of circle；
Scalable rule is set in the outside of revoliving arm and can reciprocatingly slide simultaneously along the length direction of revoliving arm
And fixed by adjusting screw, adjusting screw can run through the location hole on scalable rule and rotate to
It is resisted against on the outer wall of revoliving arm.
Preferably, step b includes：Adjustable seats are stretched into from the side of casting pipe is uncovered, by rotation
Turn the regulating bolt of both sides so that rubber bulb extrudes and is tightly abutted against on the inwall of casting pipe；And
And, should ensure that the central axes of movable riveting point and casting pipe after rotation is adjusted.
Preferably, step c includes：Slide on revoliving arm scalable rule, when scalable rule
End screw adjusting screw when being resisted against on the inwall of casting pipe scalable rule positioned；So
Afterwards, rotate revoliving arm scalable rule circumference to be rotated to measure the internal diameter of different parts.
Preferably, rubber bulb is laid with multiple graininess with the outer surface of casting pipe contact internal walls
Projection.
Preferably, the screw rod outer wall of regulating bolt is in axial direction provided with length scale.
Preferably, adjustable seats are rectangle or round steel pipe.
Preferably, the head of regulating bolt has extended radially outward rotating bar, one end welding of rotating bar
In regulating bolt, the other end is connected with a turning handle.
Preferably, the outer wall of turning handle is interval with a plurality of anti-skidding raised line.
According to technique scheme, first check for the cubing for detecting casting pipe internal diameter roundness tolerance
Part integrity, improves the success rate of cubing detection；Then, cubing is uncovered from the side of casting pipe
Stretch into and fix, adjustment cubing measures the internal diameter of casting pipe different parts and reads and record data,
Passing through eventually is compared the data reading with record with production standard judges that casting pipe internal diameter has unbiased
The heart and its oval degree.So, just pipe fitting internal diameter can be drawn whether in the margin of tolerance by one-shot measurement,
Improve detection efficiency.Meanwhile, the method can also lose the circumference side that circle is located by intuitive judgment pipe fitting internal diameter
Position, degree is justified in each mistake losing round dot of display in real time, need not calculate, decrease and lead to because manual measurement calculates
Error.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with
Detailed description below is used for explaining the present invention together, but is not construed as limiting the invention.?
In accompanying drawing：
Fig. 1 is the flow chart of the casting pipe internal diameter roundness tolerance detection method that the present invention provides；
Fig. 2 is the cubing in the casting pipe internal diameter roundness tolerance detection method according to present invention offer
Structural representation.
Description of reference numerals
1- adjustable seats 2- regulating bolt
The scalable rule of 3- revoliving arm 4-
5- rubber bulb 6- adjusting screw
Specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that
Specific embodiment described herein is merely to illustrate and explains the present invention, is not limited to this
Bright.
In the present invention, in the case of illustrating on the contrary, " inside and outside " etc. is included in term
The noun of locality only represents orientation under normal service condition for this term, or for skilled artisan understands that
It is commonly called as, and be not construed as the restriction to this term.
Referring to Fig. 1, the present invention provides a kind of casting pipe internal diameter roundness tolerance detection method, including：
Step a：Check the cubing part integrity for detecting casting pipe internal diameter roundness tolerance；
Step b：Cubing is stretched into and fixing from the side of casting pipe is uncovered；
Step c：Adjustment cubing measures the internal diameter of casting pipe different parts and reads and record data；
Step d：Judged in casting pipe by the data reading with record is compared with production standard
Footpath has without acceptance of persons and its oval degree.
By technique scheme, first check for the cubing for detecting casting pipe internal diameter roundness tolerance
Part integrity, improves the success rate of cubing detection；Then, cubing is uncovered from the side of casting pipe
Stretch into and fix, adjustment cubing measures the internal diameter of casting pipe different parts and reads and record data,
Passing through eventually is compared the data reading with record with production standard judges that casting pipe internal diameter has unbiased
The heart and its oval degree.So, just pipe fitting internal diameter can be drawn whether in the margin of tolerance by one-shot measurement,
Improve detection efficiency.Meanwhile, the method can also lose the circumference side that circle is located by intuitive judgment pipe fitting internal diameter
Position, degree is justified in each mistake losing round dot of display in real time, need not calculate, decrease and lead to because manual measurement calculates
Error.
In the present embodiment, in order to optimize the structure of cubing to facilitate testing staff's prompt operation, such as scheme
It is preferable that cubing is by adjustable seats 1, regulating bolt 2, revoliving arm 3 and scalable rule shown in 2
4 compositions；The two ends end face of adjustable seats 1 all partly caves inward and is formed with screwed hole, regulating bolt 2
Screw rod can close with corresponding threaded holes and be connected and the head of regulating bolt 2 is provided with rubber bulb 5；Return
One end of pivoted arm 3 is movably riveted on the central point of adjustable seats 1 and enables the other end of revoliving arm 3
Rotated with movable riveting point for the center of circle；Scalable rule 4 be set in revoliving arm 3 outside and being capable of edge
The length direction of revoliving arm 3 reciprocatingly slides and fixing by adjusting screw 6, and adjusting screw 6 can be passed through
Wear the location hole on scalable rule 4 and rotate to the outer wall being resisted against revoliving arm 3.So, should
Cubing adjustable seats 1 two ends set the regulating bolt 2 with rubber bulb 5, for being supported in pipe part
Inwall, and adjust movable riveting point and make it with pipe fitting central axes, and cubing body is fixed on
In pipe fitting.And in shrinkage-rule, set spring, for by shrinkage-rule tensioning, keeping chi end to contact with pipe fitting inner wall,
So pipe fitting inside radius size can be shown by flexible rule when measuring.Then, by shrinkage-rule around
Circumference rotates, the internal diameter of measurement different parts.Meanwhile, revoliving arm 3 is fixing by adjusting screw 6
Just can facilitate to adjust and fix scalable rule 4 according to the difference of different casting bore sizes and exist
Position on the outer wall of revoliving arm 3, expands the cubing suitability further.Eventually through its size of reading
Undulate quantity is exactly the ovality of required measurement.Therefore, this cubing quickly effectively can intuitively detect circle
Bore has without acceptance of persons and its oval degree.
For the ease of the result of fixing cubing and the measurement of further accurate detection, preferred steps b include：
Adjustable seats 1 are stretched into from the side of casting pipe is uncovered, is made by the regulating bolt 2 rotating both sides
Rubber bulb 5 extrudes and is tightly abutted against on the inwall of casting pipe；And, should protect after rotation is adjusted
Card activity riveting point and the central axes of casting pipe.
Likewise, for the ease of being adjusted according to the difference of different casting bore sizes and fixing scalable
Position on the outer wall of revoliving arm 3 for the rule 4, expands the cubing suitability further it is preferable that walking
Rapid c includes：Slide on revoliving arm 3 scalable rule 4, when the end of scalable rule 4 is supported
Screw adjusting screw 6 when leaning against on the inwall of casting pipe to position scalable rule 4；Then, turn
Dynamic revoliving arm 3 makes scalable rule 4 circumference rotate to measure the internal diameter of different parts.
When adjustable seats 1 are erected at casting pipe inside, for further increasing rubber bulb and casting
Frictional force between pipe fitting inner wall, improve cubing fixing after stability it is preferable that on rubber bulb with
Multiple graininess projections are laid with the outer surface of casting pipe contact internal walls.
Further, since needing to ensure that adjustment activity riveting point makes itself and pipe fitting central shaft in detection process
Line overlaps, and is precisely directed to above-mentioned axial centerline, the preferably spiral shell of regulating bolt 2 in order to convenient
Length scale is in axial direction provided with bar outer wall.One end due to revoliving arm 3 is movably riveted on adjustable supporting
The central point of seat 1, so only needs to the quarter noting controlling both sides to expose when adjusting two ends regulating bolt 2
Degree unanimously just can accurately find center and measure.
In order to improve the mechanical strength of adjustable seats 1, prevent its bending or torsion effect measurement result, excellent
Adjustable seats 1 are selected to be rectangle or round steel pipe.
Further, since being placed in casting pipe within during cubing measurement, now no matter free-hand go to rotate tune
Save bolt 2 or go rotation all inconveniences to be smoothed out it is impossible to quickly complete positioning using machine tool
Monitoring, in order to solve this technical problem, the head of preferably regulating bolt 2 has extended radially outward rotation
Bar, one end of rotating bar is welded in regulating bolt 2, and the other end is connected with a turning handle.
In detection person's free-hand rotary motion handle, because the heat centre of the palm has perspiration can lead to hand
Skidding rotates after being difficult to hold with a firm grip, in order to avoid above-mentioned the occurrence of it is preferable that the outer wall of turning handle
On be interval with a plurality of anti-skidding raised line.
Describe the preferred embodiment of the present invention above in association with accompanying drawing in detail, but, the present invention does not limit
Detail in above-mentioned embodiment, in the range of the technology design of the present invention, can be to the present invention
Technical scheme carry out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each particular technique described in above-mentioned specific embodiment is special
Levy, in the case of reconcilable, can be combined by any suitable means, in order to avoid need not
The repetition wanted, the present invention no longer separately illustrates to various possible compound modes.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it equally should be considered as content disclosed in this invention.
Claims (9)
1. a kind of casting pipe internal diameter roundness tolerance detection method is it is characterised in that include：
Step a：Check the cubing part integrity for detecting casting pipe internal diameter roundness tolerance；
Step b：Cubing is stretched into and fixing from the side of casting pipe is uncovered；
Step c：Adjustment cubing measures the internal diameter of casting pipe different parts and reads and record data；
Step d：Judged in casting pipe by the data reading with record is compared with production standard
Footpath has without acceptance of persons and its oval degree.
2. casting pipe internal diameter roundness tolerance detection method according to claim 1, its feature
It is, described cubing is by adjustable seats (1), regulating bolt (2), revoliving arm (3) and scalable quarter
Degree chi (4) composition；The two ends end face of described adjustable seats (1) all partly caves inward and is formed with screw thread
Hole, the screw rod of described regulating bolt (2) can be closed with described corresponding threaded holes and be connected and described regulation spiral shell
The head of bolt (2) is provided with rubber bulb (5)；One end of described revoliving arm (3) is movably riveted on institute
State the central point of adjustable seats (1) and enable the other end of described revoliving arm (3) with activity riveting
Point rotates for the center of circle；Described scalable rule (4) is set in outside the energy of described revoliving arm (3)
Enough length directions along described revoliving arm (3) reciprocatingly slide and fixing by adjusting screw (6), institute
State adjusting screw (6) can run through the location hole on described scalable rule (4) and rotate to against
On the outer wall of described revoliving arm (3).
3. casting pipe internal diameter roundness tolerance detection method according to claim 2, its feature
It is, step b includes：Described adjustable seats (1) are stretched into from the side of casting pipe is uncovered, leads to
The described regulating bolt (2) crossing rotation both sides is so that described rubber bulb (5) extrudes and is tightly abutted against
On the inwall of described casting pipe；And, rotation adjust after should ensure that described activity riveting point with described
The central axes of casting pipe.
4. casting pipe internal diameter roundness tolerance detection method according to claim 2, its feature
It is, step c includes：The described scalable rule (4) of slip on described revoliving arm (3), when
The end of described scalable rule (4) screws described tune when being resisted against on the inwall of described casting pipe
Described scalable rule (4) is positioned by section screw (6)；Then, rotate described revoliving arm (3)
Scalable rule (4) circumference is rotated to measure the internal diameter of different parts.
5. casting pipe internal diameter roundness tolerance detection method according to claim 2, its feature
It is, described rubber bulb is laid with multiple granules with the outer surface of described casting pipe contact internal walls
Shape projection.
6. casting pipe internal diameter roundness tolerance detection method according to claim 3, its feature
It is, the screw rod outer wall of described regulating bolt (2) is in axial direction provided with length scale.
7. casting pipe internal diameter roundness tolerance detection method according to claim 2, its feature
It is, described adjustable seats (1) are rectangle or round steel pipe.
8. casting pipe internal diameter roundness tolerance detection method according to claim 2, its feature
It is, the head of described regulating bolt (2) has extended radially outward rotating bar, described rotating bar
One end is welded in described regulating bolt (2), and the other end is connected with a turning handle.
9. casting pipe internal diameter roundness tolerance detection method according to claim 8, its feature
It is, the outer wall of described turning handle is interval with a plurality of anti-skidding raised line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458842.0A CN106403776B (en) | 2016-06-23 | 2016-06-23 | Casting pipe internal diameter roundness tolerance detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610458842.0A CN106403776B (en) | 2016-06-23 | 2016-06-23 | Casting pipe internal diameter roundness tolerance detection method |
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| Publication Number | Publication Date |
|---|---|
| CN106403776A true CN106403776A (en) | 2017-02-15 |
| CN106403776B CN106403776B (en) | 2019-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610458842.0A Active CN106403776B (en) | 2016-06-23 | 2016-06-23 | Casting pipe internal diameter roundness tolerance detection method |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082521A (en) * | 2020-09-17 | 2020-12-15 | 江苏徐工工程机械研究院有限公司 | Cylinder inner hole spiral line detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160329A (en) * | 1977-09-12 | 1979-07-10 | Bredero Price, B.V. | Method and apparatus for measuring pipe coating thickness |
| CN2932304Y (en) * | 2006-05-25 | 2007-08-08 | 刘文禄 | Hole pitch measuring ruler |
| KR20110024306A (en) * | 2009-09-01 | 2011-03-09 | 에스티엑스조선해양 주식회사 | Scale for fairness check |
| CN202814319U (en) * | 2012-09-28 | 2013-03-20 | 中铁十六局集团北京工程有限公司 | Tubular axis eccentricity measuring tape |
| CN205825850U (en) * | 2016-07-22 | 2016-12-21 | 陕西北元化工集团有限公司 | A kind of tearing open cuts the instrument measuring circular object |
-
2016
- 2016-06-23 CN CN201610458842.0A patent/CN106403776B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160329A (en) * | 1977-09-12 | 1979-07-10 | Bredero Price, B.V. | Method and apparatus for measuring pipe coating thickness |
| CN2932304Y (en) * | 2006-05-25 | 2007-08-08 | 刘文禄 | Hole pitch measuring ruler |
| KR20110024306A (en) * | 2009-09-01 | 2011-03-09 | 에스티엑스조선해양 주식회사 | Scale for fairness check |
| CN202814319U (en) * | 2012-09-28 | 2013-03-20 | 中铁十六局集团北京工程有限公司 | Tubular axis eccentricity measuring tape |
| CN205825850U (en) * | 2016-07-22 | 2016-12-21 | 陕西北元化工集团有限公司 | A kind of tearing open cuts the instrument measuring circular object |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082521A (en) * | 2020-09-17 | 2020-12-15 | 江苏徐工工程机械研究院有限公司 | Cylinder inner hole spiral line detection device |
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| Publication number | Publication date |
|---|---|
| CN106403776B (en) | 2019-02-05 |
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| C10 | Entry into substantive examination | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180628 Address after: 241000 No. 2, Chun Chau Road, San Shan Economic Development Zone, Wuhu, Anhui Applicant after: Wuhu Xinxing New Material Industrial Park Co., Ltd. Address before: 241000 No. 2, Chun Chau Road, San Shan Economic Development Zone, Wuhu, Anhui Applicant before: Wuhu Xinxing Ductile Iron Pipes Co., Ltd. |
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