CN106197229B - The measurement method of minor diameter tankage abutted flange concentricity - Google Patents
The measurement method of minor diameter tankage abutted flange concentricity Download PDFInfo
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- CN106197229B CN106197229B CN201610556337.XA CN201610556337A CN106197229B CN 106197229 B CN106197229 B CN 106197229B CN 201610556337 A CN201610556337 A CN 201610556337A CN 106197229 B CN106197229 B CN 106197229B
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- pipe connecting
- connecting flange
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- flange
- symmetrical
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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
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Minor diameter tankage abutted flange concentricity measurement method, belongs to vessel fabrication manufacture field, overcomes the excessive defect of prior art measurement error.Survey tool has:1 handle of tape measure or Steel Ruler, 1, platform, equal height cushion block 2,1, square, chalk line or 2, steel wire;Cylinder 1 will be measured when measurement to be positioned on platform 3, then equal height cushion block 2 is placed to 6 inner wall of symmetrical pipe connecting flange that needs measure, cushion block 2 tightens chalk line 4 above, measures 6 inner wall of symmetrical pipe connecting flange to the distance between chalk line 4 h4, is measured successively in four heart line positions.It to every a pair of of balanced method orchid 6 or takes over successively and carries out above procedure measurement, can check two symmetrical flanges or whether with one heart take over.This method can meet the measurement of the symmetrical two pipe connecting flanges concentricity of minor diameter tankage, reduce rigging error;Survey tool is regular supplies, without in addition investment;It is easy to operate, it measures relatively accurate.
Description
Technical field
The invention belongs to machinery industry vessel fabrication manufacture fields.
Background technology
In machinery industry, in tankage manufacturing process, it is often necessary to be symmetrically installed some pipe connecting flanges, exist sometimes
The control of the precision of butt tube flange coaxiality, verticality and concentricity proposes relatively high particular/special requirement.About minor diameter
The measurement of tankage abutted flange concentricity, the prior art measure the positioning of single pipe connecting flange only with 2 points of drawing chalk lines
Size, overhanging height, span centre equidimension, this method measurement cumulative errors are big, concentricity difficulty or ease control, low production efficiency.
Invention content
The object of the invention:The defect for overcoming prior art measurement error big.
Minor diameter tankage abutted flange concentricity survey tool has:It is 1 handle of tape measure or Steel Ruler, 1, platform, contour
Cushion block 2,1, square, chalk line or 2, steel wire;
Minor diameter tankage abutted flange concentricity measurement method:
1. vertical stand up of the cylinder 1 that group is installed to burner pipe connecting flange 6 is placed on platform 3, right on the basis of platform 3 first
Each 6 height h1 of pipe connecting flange is measured, and checks whether 6 height of each burner pipe connecting flange is consistent, then with each pipe connection method
On the basis of 4, the upper and lower, left and right checkpoint 7 of blue 6 trepannings, measure checkpoint 7 to 6 outer circle of pipe connecting flange distance h2 whether phase
Deng, and whether the distance h3 for checking left and right checkpoint 7 to 6 sealing surface of burner pipe connecting flange is equal, upper and lower checkpoint to burner
Whether the distance h3 of nozzle flange gasket face (surface) equal, check each 6 bolt hole of burner pipe connecting flange whether with respective body centre
Line span centre is uniformly distributed.
2. under the premise of 1. an article measurement result is satisfied by requirement, to burner on the basis of 6 trepanning center line of pipe connecting flange
6 bolt hole of pipe connecting flange separates 4 heart lines, and upper and lower line in fundamental disagreement must be with trepanning center line centering.
3. two pieces of equal height cushion blocks 2 are put in two symmetrical pipe connecting flanges, 6 inner wall heart line respectively and at flange sealing surface, and
Chalk line 4 is tightened on cushion block 2, measures 6 inner wall of pipe connecting flange to the distance between chalk line 4 h4, every heart line respectively surveys at 6 points, and surveys
Platform 3 is measured to the distance between chalk line 4 h5,
4. removing cushion block 2, the bottom that two chalk lines 4 are directly placed to two symmetrical pipe connecting flanges 6 is united as one on line, is drawn
Tight chalk line 4, using two 4 intersections of chalk line as the center of circle, whether measurement 6 sealing surface of pipe connecting flange to the distance between center of circle h6 respectively
It is equal, it is used in combination square 8 to measure two intersecting lenses, checks whether two docking 6 center lines of pipe flange are vertical.
5. carrying out above procedure measurement to every a pair of symmetrical burner pipe connecting flange 6 successively, two symmetrical pipe connection methods can be checked
With one heart whether orchid 6.
This measurement method has the following advantages compared with prior art:
1, meet symmetrical two flange of minor diameter, short distance tankage or measurement and the centering of symmetrical two take overs concentricity,
It avoids influencing the processing performance of equipment because error is excessive.
2, survey tool is regular supplies, without in addition investment.
3, easy to operate, it measures size relatively accurate.
Description of the drawings
Fig. 1-minor diameter tankage abutted flange concentricity instrumentation plan,
Schematic diagram of 4 pipe connecting flanges of Fig. 2-at 2 square crossing heart lines,
In figure:1- cylinders, 2- equal height cushion blocks, 3- platforms, 4- chalk lines, 5- rulers or tape measure,
6-pipe connecting flanges, 7-checkpoints, 8-squares.
Specific implementation mode
The specific implementation mode of this measurement method is described further below in conjunction with the accompanying drawings, is connect with gasification furnace burner on sidewall
For pipe flange concentricity measures.
The tool that minor diameter tankage abutted flange concentricity measures has:Ruler or tape measure 5, platform 3, equal height cushion block 2,
Chalk line or steel wire 4, square 8.
Cylinder 1 will be measured when measurement to be positioned on platform 3, and then 6 inner wall of symmetrical pipe connecting flange that needs measure is placed
Equal height cushion block 2, cushion block 2 tighten chalk line 4 above, measure 6 inner wall of symmetrical pipe connecting flange to the distance between chalk line 4 h4, exist successively
Four heart line positions measure.Wherein, heart line is the center line that equipment is separated by outer circumference quarter.
Specific measurement method is as shown in Figure 1:
1. vertical stand up of the cylinder 1 that group is installed to burner pipe connecting flange 6 is placed on platform 3, right on the basis of platform 3 first
Each 6 height h1 of pipe connecting flange is measured, and checks whether 46 height h1 of burner pipe connecting flange are consistent, then with each pipe connection method
On the basis of 4, the upper and lower, left and right checkpoint 7 of blue 6 trepannings, measure checkpoint 7 to 6 outer circle of pipe connecting flange distance h2 whether phase
Deng, and whether the distance h3 for checking left and right checkpoint 7 to 6 sealing surface of burner pipe connecting flange is equal, upper and lower checkpoint to burner
Whether the distance h3 of nozzle flange gasket face (surface) equal, check each 6 bolt hole of burner pipe connecting flange whether with respective body centre
Line span centre is uniformly distributed.
2. under the premise of 1. an article measurement result is satisfied by pattern requirement, right on the basis of 6 trepanning center line of pipe connecting flange
6 bolt hole of burner pipe connecting flange separates 4 heart lines, and upper and lower line in fundamental disagreement must be parallel with trepanning center line centering.
3. two pieces of equal height cushion blocks 2 are put in two symmetrical pipe connecting flanges, 6 inner wall heart line respectively and at flange sealing surface, and
Chalk line 4 is tightened on cushion block 2, measures 6 inner wall of pipe connecting flange to the distance between chalk line 4 h4, every heart line respectively surveys at 6 points, and surveys
Platform 3 is measured to the distance between chalk line 4 h5, butt tube is bottom or topmost 1 heart line measures.
4. as shown in Fig. 2, removing cushion block 2, two chalk lines 4 are directly placed to the bottom one of two symmetrical pipe connecting flanges 6
On bar heart line, chalk line 4 is tensed, using two 4 intersections of chalk line as the center of circle, measures 6 sealing surface of pipe connecting flange respectively between the center of circle
Distance h6 it is whether equal, be used in combination square 8 to measure two intersecting lenses, check two docking 6 center lines of pipe flange whether hang down
Directly.
5. carrying out above procedure measurement to every a pair of symmetrical burner pipe connecting flange 6 successively, two symmetrical pipe connection methods can be checked
With one heart whether orchid 6.
Claims (1)
1. minor diameter tankage abutted flange concentricity measurement method, it is characterized in that:Survey tool has:Tape measure or Steel Ruler
(5) 1 handle, (3) 1, platform, equal height cushion block (2) 2, square are (8) 1, chalk line or (4) 2, steel wire;Process of measurement is as follows:
1. by group install the cylinder of burner pipe connecting flange (6) (1) vertically stand up be placed in platform (3) on, first by platform (3) on the basis of it is right
(6) height h1 is measured each pipe connecting flange, and checking each burner pipe connecting flange, (6) whether height is consistent, then is taken over each
Flange (6) trepanning 4, upper and lower, left and right checkpoint (7) on the basis of, measure (7) distance h2 that pipe connecting flange (6) outer circle is arrived in checkpoint
It is whether equal, and check whether left and right checkpoint is (7) equal to the distance h3 of burner pipe connecting flange (6) sealing surface, it is upper and lower to check
Whether the distance h3 of point to burner pipe connecting flange (6) sealing surface equal, check each burner pipe connecting flange (6) bolt hole whether with respectively
It is uniformly distributed from Barrel alignment span centre;
2. heart line is the center line that equipment is separated by outer circumference quarter;1. article measurement result be satisfied by the premise of requirement
Under, to burner pipe connecting flange, (6) bolt hole separates 4 heart lines, upper and lower two institutes on the basis of pipe connecting flange (6) trepanning center line
The heart line stated must be with trepanning center line centering;
3. (2) two pieces of equal height cushion blocks are put in two symmetrical pipe connecting flanges (6) heart line described in inner wall and at flange sealing surface respectively,
And cushion block (2) on tighten chalk line (4), measuring pipe connecting flange, (6) inner wall is to chalk line the distance between (4) h4, each survey of every heart line 6
Point, and measuring table is (3) to chalk line the distance between (4) h5;
4. removing cushion block (2), (4) two chalk lines are directly placed at the heart line described in the bottom of two symmetrical pipe connecting flanges (6) one
It is upper, tense chalk line (4), using two chalk lines (4) intersection as the center of circle, measure respectively pipe connecting flange (6) sealing surface between the center of circle away from
It is whether equal from h6, it is used in combination square (8) to be measured to two intersecting lenses, checking two docking pipe flanges, (6) whether center line is vertical;
5. (6) carrying out above procedure measurement to every a pair of symmetrical burner pipe connecting flange successively, two symmetrical pipe connecting flanges can be checked (6)
Whether with one heart.
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CN201610556337.XA CN106197229B (en) | 2016-07-15 | 2016-07-15 | The measurement method of minor diameter tankage abutted flange concentricity |
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CN201610556337.XA CN106197229B (en) | 2016-07-15 | 2016-07-15 | The measurement method of minor diameter tankage abutted flange concentricity |
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CN106197229B true CN106197229B (en) | 2018-08-31 |
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CN106595449B (en) * | 2016-12-21 | 2019-04-30 | 河南工程学院 | Pipeline valve both ends flange coaxiality detection method |
CN113932780A (en) * | 2021-09-01 | 2022-01-14 | 渤海造船厂集团有限公司 | Method for cone segmentation measurement and center line correction of four centers by using total station |
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CN101182985A (en) * | 2007-12-18 | 2008-05-21 | 中国人民解放军国防科学技术大学 | Coaxial component center deviation measuring apparatus |
JP2010071705A (en) * | 2008-09-17 | 2010-04-02 | Hitachi Plant Technologies Ltd | Coupling centering tool |
CN102430917A (en) * | 2011-08-31 | 2012-05-02 | 上海锅炉厂有限公司 | Method for detecting assembly of barrel connecting pipe |
CN102672391A (en) * | 2012-05-07 | 2012-09-19 | 无锡桥联风电科技有限公司 | Concentricity positioning tooling method of large members |
CN103438304A (en) * | 2013-08-15 | 2013-12-11 | 天津钢铁集团有限公司 | Flange gasket and method for determining fact that flange gasket and flange hole are concentric |
CN104677281A (en) * | 2015-03-12 | 2015-06-03 | 上海锅炉厂有限公司 | Method for mounting and measuring space connecting pipes |
-
2016
- 2016-07-15 CN CN201610556337.XA patent/CN106197229B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS62150604U (en) * | 1986-03-17 | 1987-09-24 | ||
CN101182985A (en) * | 2007-12-18 | 2008-05-21 | 中国人民解放军国防科学技术大学 | Coaxial component center deviation measuring apparatus |
JP2010071705A (en) * | 2008-09-17 | 2010-04-02 | Hitachi Plant Technologies Ltd | Coupling centering tool |
CN102430917A (en) * | 2011-08-31 | 2012-05-02 | 上海锅炉厂有限公司 | Method for detecting assembly of barrel connecting pipe |
CN102672391A (en) * | 2012-05-07 | 2012-09-19 | 无锡桥联风电科技有限公司 | Concentricity positioning tooling method of large members |
CN103438304A (en) * | 2013-08-15 | 2013-12-11 | 天津钢铁集团有限公司 | Flange gasket and method for determining fact that flange gasket and flange hole are concentric |
CN104677281A (en) * | 2015-03-12 | 2015-06-03 | 上海锅炉厂有限公司 | Method for mounting and measuring space connecting pipes |
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