CN100464106C - Inserting pipe digitalized design and manufacture method - Google Patents
Inserting pipe digitalized design and manufacture method Download PDFInfo
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- CN100464106C CN100464106C CNB2007101683091A CN200710168309A CN100464106C CN 100464106 C CN100464106 C CN 100464106C CN B2007101683091 A CNB2007101683091 A CN B2007101683091A CN 200710168309 A CN200710168309 A CN 200710168309A CN 100464106 C CN100464106 C CN 100464106C
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- 238000011960 computer-aided design Methods 0.000 claims abstract description 8
- 239000000523 sample Substances 0.000 claims description 6
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- 125000006850 spacer group Chemical group 0.000 claims description 3
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The invention provides a digitalized designing and manufacturing method for an inserting pipe. The method includes firstly conduction determination of manufacturing and mounting data of the inserting pipe with a digitalized measuring instrument; converting the measured data into data needed for the computer aided design of the pipe manufacture; and then conducting computer aided design and manufacture of the inserting pipe. The proposal of the invention realizes the effective connection of digitalized measurement and digitalized design and manufacture, and considerably improves the manufacture precision and the yield rate, thereby shortening the manufacture period, lowering the manufacture cost and overcoming the defects of the prior low-performance inserting-pipe manufacture mode which contains artificial sampling, experience-based pipe producing and filed fitting.
Description
Technical field
The present invention relates to advanced the manufacturing and technical field of automation, particularly inserting pipe manufactures and designs the field.
Background technique
Owing to manufacture and design, the particularly various reasons of job site and uncertain factor, designed piping is installed the back and is always produced prior unforeseen length and different dead band and need embedding to mend, and produces the production problem of inserting pipe thus.At present, the manufacturing of inserting pipe does not have the part processing working drawing, bends lining bar by the workman scene and brings back the internal field and bend out tube components according to lining bar, takes on-the-spot trial assembly welded flange again.Because the error of personal factor influence and manufacture process etc., making an inserting pipe often needs repeatedly trial-production for several times, seldom once just successful.The labor intensity that existing inserting pipe manufacture exists is big, inefficiency, the uncontrollable shortcoming of workmanship.
Summary of the invention
Task of the present invention provides a kind of Design of digital and manufacture method of inserting pipe, replace inserting pipe and bend by the workman scene that lining bar is made or the on-the-spot manual manufacture that system is finished of piecing together, overcome that existing manufacture workmanship is uncontrollable, inefficiency, shortcoming that labor intensity is big.
For achieving the above object, technological scheme provided by the invention is, at first use digitalized measuring apparatus, to the one group of on-the-spot flange that docks with the inserting pipe pipe end flange, measure and gather end face of flange, the flange center of circle of this scene flange, the three-dimensional coordinate of the flange bolt hole circle heart respectively, carry out computing according to this three-dimensional coordinate then, obtain the required data of computer-aided design of inserting pipe, last on the basis of described data, carry out the computer-aided design and the manufacturing of inserting pipe.
The method of the three-dimensional coordinate of described measurement and collection end face of flange, the flange center of circle, the flange bolt hole circle heart comprises, with the probe of described digitalized measuring apparatus three points arbitrarily on the engagement flange end face respectively, gather the three-dimensional coordinate of these three points, determine the three-dimensional coordinate of end face of flange thus;
With three points on the probe difference engagement flange inner circumference of described digitalized measuring apparatus, gather the three-dimensional coordinate of these three points, determine the three-dimensional coordinate of circle in the flange, obtain the three-dimensional coordinate in the flange center of circle thus;
When flange welded, the calibration of bolt eyelet position also was that inserting pipe manufactures and designs the emphasis that must consider, therefore also must measure the position in flange bolt hole.Selected arbitrary bolt hole with three points on the probe difference engagement flange bolt hole circumference of described digitalized measuring apparatus, is gathered the three-dimensional coordinate of these three points, determines the three-dimensional coordinate in flange bolt hole circle week, obtains the three-dimensional coordinate of the flange bolt hole circle heart thus.
Described three-dimensional coordinate calculation processes comprises:
(i) be the flange shaft axis through the flange center of circle and perpendicular to the straight line of end face of flange: because the pipe end flange shaft axis of inserting pipe overlaps with this flange shaft axis, so the pipe end flange shaft axis that this flange shaft axis is exactly an inserting pipe, the angle of this pipe end flange shaft axis and three coordinate axes is determined the deflection direction of flange in the space;
(ii) the projection of the flange center of circle on end face of flange is flange center's point, and this central point is along outwards skew on the flange shaft axis, and offset distance is the spacer thickness between abutted flange, the pipe end flange central point that resulting point is exactly an inserting pipe;
(iii) the projection of the flange bolt hole circle heart on end face of flange is the flange bolt central point of hole; Line with flange center's point and flange bolt central point of hole is one side, with the mistake flange center of circle and perpendicular to that plane of end face of flange and the intersection of flanged surface is another side, article two, the angle on limit is a flange bolt hole angle of yaw, the pipe end flange bolt hole angle of yaw that this flange bolt hole angle of yaw is an inserting pipe;
(iv) according to the space coordinates of two pipe end flange central points of described inserting pipe, calculate the relative distance between the pipe end flange of inserting pipe.
The present invention carries out the computer-aided design and the manufacturing of inserting pipe on the basis of described normal data, belong to the category of active computer aided design techniques, so repeat no more.
Optimally, for ease of installation on-the-spot after the inserting pipe manufacturing, in the Design of digital and manufacture method of above-mentioned inserting pipe, the present invention program represents described flange bolt hole angle of yaw with the arc length of circle or cylindrical in the flange of this corner correspondence.
Preferably, digitalized measuring apparatus of the present invention is the contact type laser measuring apparatus, can adapt to the in-site measurement environment, and quick, accurate measurement space coordinate satisfies the requirement that through engineering approaches is used.
The method of inserting pipe Design of digital of the present invention and manufacturing, the utilization digitalized measuring apparatus carries out the inserting pipe manufacturing and installs and measures, make the field at inserting pipe, realized that digitized measurement is connected with the effective of Digital Design and Manufacture, has overcome the poor efficiency pattern of the artificial field sampling of existing inserting pipe, experience tubulation, on-the-spot trial assembly.Therefore it improved accuracy of manufacturing and yield rate greatly, thereby shortened the manufacturing cycle owing to adopt digitized measurement and Digital Design and Manufacture, saves manufacture cost.
Description of drawings
Fig. 1 is a contact type detector work schematic representation.
Fig. 2 is converted into arc length for the angular rotation of flange.
Below in conjunction with accompanying drawing the technical solution of the utility model is further described in detail.
Embodiment
As shown in Figure 1,1 for the used digital measuring apparatus of measurement is an INFINITE series2000 type contact type detector, and it is configured to: electrodeless gage beam (brachium 3.0m); Standard gauge head (containing each one of 15mm steel ball, pin type gauge head); Survey Software is POWERINSPECT, SCANWORK; Laser scanning head; Metering computer (Pentium 3CPU).The field pipes part of required measurement is the φ 114 * 5mm Stainless Steel Tube under certain marine main engine cabin flower aluminium sheet, and the top of pipe, terminal link are the flange of 16100 CB/T46-1999 specifications, difference called after Fa-1 and Fa-2, and 2 is Fa-1 among Fig. 1,3 is Fa-2.Contact type detector 1 is positioned on the cabin unit framework, and contact type detector 1 is determined the space coordinates that detector is measured by being positioned at three sensors of detector pin.
Under these space coordinates, at first measure the space coordinates information that inserting pipe one end is treated the blue Fa-1 of connection.With any three points on the engagement flange Fa-1 end face of detector folding arm contact, detector writes down the spatial value of these three points.Detector folding arm contact is contacted any three points on round week in the Fa-1 flange respectively, and detector writes down the spatial value of these three points.Detector folding arm contact is contacted any three points of Fa-1 on the selected arbitrarily flange bolt hole circle week respectively, and detector writes down the spatial value of these three points.
Then, measure the space coordinates information that the inserting pipe the other end is treated the blue Fa-2 of connection, method of measurement is same as above.
The Survey Software of detector draws central coordinate of circle in the flange of Fa-1 according to the spatial coordinates calculation of round Zhou Shangsan in the Fa-1 flange point, and the round heart is flange center's point coordinates at the subpoint of end face of flange in the flange; By flange center's point coordinates and perpendicular to the straight line of end face of flange, i.e. flange shaft axis; Equally, the Survey Software of detector draws the flange bolt hole circle heart coordinate of Fa-1 according to the spatial coordinates calculation of three points on the flange circumference, and the flange bolt hole circle heart is the flange bolt central point of hole at the subpoint of end face of flange; Line with the flange center of circle and the arbitrary bolt hole center's point of flange is one side, and to be another side through the flange center of circle and perpendicular to that plane of flanged surface and the intersection of flanged surface, the angle on two limits is flange bolt hole angle of yaw.Equally, calculate definite to flange center's point coordinates, flange shaft axis, flange bolt central point of hole, the flange bolt hole angle of yaw of Fa-2.
If the inserting pipe pipe end flange that docks with Fa-1 is Fa-1 ＇, the other end pipe end flange of the inserting pipe that docks with Fa-2 is Fa-2 ＇.Because the pipe end Fa-1 ＇ flange shaft axis of inserting pipe overlaps with Fa-1 flange shaft axis, so Fa-1 flange shaft axis is exactly the pipe end Fa-1 ＇ flange shaft axis of inserting pipe, the angle of Fa-1 ＇ flange shaft axis and three coordinate axes is determined the deflection direction of flange Fa-1 ＇ in the space;
The projection of the Fa-1 flange center of circle on the Fa-1 end face of flange is Fa-1 flange center point, this central point is along outwards skew on the Fa-1 flange shaft axis, offset distance is the spacer thickness between flange when docking with Fa-1 ＇, the pipe end Fa-1 ＇ flange center point that resulting point is exactly an inserting pipe;
Because Fa-1 docks with Fa-1 ＇ flange, so Fa-1 flange bolt hole angle of yaw is the pipe end Fa-1 ＇ flange bolt hole angle of yaw of inserting pipe;
For Fa-2 and the Fa-2 ＇ computing that uses the same method, obtain flange center's point, flange shaft axis and the flange bolt hole angle of yaw of the pipe end flange Fa-2 ＇ of inserting pipe.
Then, according to flange center's point coordinates of Fa-1 ＇ and Fa-2 ＇, calculate the relative distance of flange center's point of Fa-1 ＇ and Fa-2 ＇.
For making things convenient for inserting pipe to make on the pipe platform of the school of manufacturing shop, present embodiment is changed system of coordinates.The mode of conversion is, the flange direction of axis line of setting flange Fa-1 is an X-axis, the intersection of the horizontal plane of process flange center's point and the end face of flange of flange Fa-1 is a Y-axis, through flange center's point and perpendicular to the straight line of horizontal plane is the Z axle, under this system of coordinates, converse flange center's point coordinates, central point relative distance, the corner of flange shaft axis relative coordinate axle, the flange bolt hole angle of yaw of Fa-1 ＇ and Fa-2 ＇, this Coordinate Conversion is that known space coordinates converts.After Coordinate Conversion and computing,
(i) the central point space coordinates of flange Fa-1 ＇, Fa-2 ＇ is as shown in the table:
| Flange number | X | Y | Z |
| Fa-1＇ | 0.00 | 0.00 | 560.32 |
| Fa-2＇ | 1176.79 | 2.68 | 205.40 |
(ii) companion flange central point relative distance is as shown in the table:
| Companion flange | Δx | Δy | Δz |
| The relative Fa-1 ＇ of Fa-2 ＇ | 1176.79 | 2.68 | -354.92 |
(iii) the corner of flange shaft axis relative coordinate axle is as shown in the table:
| The flange shaft axis | The angle of relative X | The angle of relative Y | The angle of relative Z |
| Fa-1＇ | 4.7 | 1.5 | 0 |
| Fa-2＇ | 9.8 | -1.2 | 1.6 |
(iv) flange bolt hole angle of yaw
The flange bolt hole angle of yaw of Fa-1 ＇ is 4.7 °, and the inside and outside arc length of its corresponding flange is respectively 10.2mm and 22.26mm; The flange bolt hole angle of yaw of Fa-2 ＇ is 9.8 °, and the inside and outside arc length of its corresponding flange is respectively 18.3mm and 39.8mm.
According to above-mentioned (i) data in (iv), utilize computer aided design software CADDS5, construct inserting pipe pipe fitting model.On inserting pipe pipe fitting model based, according to the requirement of making installation pipeline, the processing accessories figure of design inserting pipe.Design drawing comprises information such as the base dimension, welding consumables, surface treatment mode, crooked information, test pressure, mounting point, dash number of tube components, especially comprises being responsible for bend pipe parameter and school pipe data.Be responsible for person in charge's machining operation that the bend pipe data are used to control tube bender; School pipe data are used to check check and correction in the precision control of bend pipe processing.At last, the pipe fitting job shop processes according to parts drawing and carries out blanking, bend pipe, and assembling behind the welding process, has promptly been finished manufacturing and designing of this inserting pipe.In view of said process for well known to a person skilled in the art technology, therefore will not give unnecessary details.
What deserves to be explained is that for ease of the flange bolt hole in practice of construction location, technological scheme of the present invention represents flange bolt hole angle of yaw with arc length, can be so that construction.As shown in Figure 2, the line 4 of flange center's point and flange bolt central point of hole is crossed the flange center of circle and perpendicular to that plane of end face of flange and the intersection 5 of flanged surface, line 4 and intersection 5 are flange bolt hole angle of yaw as two formed angles in limit.The flange bolt hole angle of yaw cutting flange inside and outside circle that line 4 and intersection 5 form, circular arc 6 and external arc 7 in obtaining respectively.In the location, bolt eyelet position of reality, can determine line 4 intuitively.If circle and cylindrical meet at an A and some B respectively in line 4 and the flange, in flange, be the arc of circular arc length in the angle of yaw companion flange of standardized section flange bolt hole of starting point with A on the circle, the stop of establishing arc is C; Be the arc of standardized section flange bolt hole of starting point angle of yaw companion flange cylindrical arc length with B on the flange cylindrical, the stop of establishing arc is D.Then put link to each other with the some D straight line CD of formation of C and be the flange center of circle and perpendicular to that plane of end face of flange and the intersection 5 of flanged surface.Obviously, under flanged surface is in visual angle perpendicular to people's sight line, make straight line CD perpendicular to horizontal plane, then the flange bolt hole just is in correct deflection angle.
It should be noted last that, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technological scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (5)
1. the Design of digital of an inserting pipe and manufacture method, it is characterized in that, at first use digitalized measuring apparatus, to the one group of on-the-spot flange that docks with the inserting pipe pipe end flange, measure and gather end face of flange, the flange center of circle of this scene flange, the three-dimensional coordinate of the flange bolt hole circle heart respectively, carry out computing according to this three-dimensional coordinate then, obtain the required normal data of computer-aided design of inserting pipe, last on the basis of described normal data, carry out the computer-aided design and the manufacturing of inserting pipe.
2. the Design of digital of a kind of inserting pipe according to claim 1 and manufacture method, the method of the three-dimensional coordinate of its described measurement and collection end face of flange, the flange center of circle, the flange bolt hole circle heart comprises, with the probe of described digitalized measuring apparatus three points arbitrarily on the engagement flange end face respectively, gather the three-dimensional coordinate of these three points, determine the three-dimensional coordinate of end face of flange thus;
With three points on the probe difference engagement flange inner circumference of described digitalized measuring apparatus, gather the three-dimensional coordinate of these three points, determine the three-dimensional coordinate of circle in the flange, obtain the three-dimensional coordinate in the flange center of circle thus;
Selected arbitrary bolt hole with three points on the probe difference engagement flange bolt hole circumference of described digitalized measuring apparatus, is gathered the three-dimensional coordinate of these three points, determines the three-dimensional coordinate in flange bolt hole circle week, obtains the three-dimensional coordinate of the flange bolt hole circle heart thus.
3. the Design of digital of a kind of inserting pipe according to claim 1 and manufacture method, its described three-dimensional coordinate calculation processes comprise,
(i) be the flange shaft axis through the flange center of circle and perpendicular to the straight line of end face of flange; Because the pipe end flange shaft axis of inserting pipe overlaps with this flange shaft axis, so the pipe end flange shaft axis that this flange shaft axis is exactly an inserting pipe, the angle of this pipe end flange shaft axis and three coordinate axes is determined the deflection direction of flange in the space;
(ii) the projection of the flange center of circle on end face of flange is flange center's point, and this central point is along outwards skew on the flange shaft axis, and offset distance is the spacer thickness between abutted flange, the pipe end flange central point that resulting point is exactly an inserting pipe;
(iii) the projection of the flange bolt hole circle heart on end face of flange is the flange bolt central point of hole; Line with flange center's point and flange bolt central point of hole is one side, is another side with the mistake flange center of circle and perpendicular to that plane of end face of flange and the intersection of flanged surface, and the angle on two limits is a flange bolt hole angle of yaw;
(iv) according to the space coordinates of the pipe end flange central point of described inserting pipe, calculate the relative distance between the pipe end flange of inserting pipe.
4. the Design of digital of inserting pipe according to claim 1 and manufacture method is characterized in that, described flange bolt hole angle of yaw is represented with the arc length of circle or cylindrical in the flange of this corner correspondence.
5. the Design of digital of inserting pipe according to claim 1 and manufacture method is characterized in that, described digitalized measuring apparatus is the contact type laser measuring apparatus.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2007101683091A CN100464106C (en) | 2007-11-09 | 2007-11-09 | Inserting pipe digitalized design and manufacture method |
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| CNB2007101683091A CN100464106C (en) | 2007-11-09 | 2007-11-09 | Inserting pipe digitalized design and manufacture method |
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| CN100464106C true CN100464106C (en) | 2009-02-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US9952580B2 (en) * | 2016-01-29 | 2018-04-24 | The Boeing Company | Method and an apparatus for machining a part for an assembly |
| CN108253915B (en) * | 2018-01-18 | 2023-11-07 | 北方民族大学 | Calibration method |
| CN109623255B (en) * | 2018-12-27 | 2021-08-17 | 伊荣德滚塑管业（深圳）有限公司 | Positioning die for complete copying of pipeline and assembling method |
| CN111774813B (en) * | 2020-06-22 | 2022-03-18 | 渤海造船厂集团有限公司 | Method for manufacturing inner field of folding pipe |
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| JPH11277295A (en) * | 1998-03-30 | 1999-10-12 | Kenji Nomi | Jig for short tube flange |
| JP2000005875A (en) * | 1998-06-24 | 2000-01-11 | Nomi Kenji | Method for deciding posture of flange mounting face in reproducing device, and recording medium for reproducing device |
| CN2374842Y (en) * | 1998-12-03 | 2000-04-19 | 中国石油天然气管道局管道技术公司 | Pipeline flexural detecting device |
| JP2000329502A (en) * | 1999-05-17 | 2000-11-30 | Kenji Nomi | Position-inspecting apparatus |
| CN1612141A (en) * | 2003-11-01 | 2005-05-04 | 鸿富锦精密工业（深圳）有限公司 | Bending process making system and method |
| CN1628305A (en) * | 2002-02-05 | 2005-06-15 | Gcc公司 | System and method for drawing and manufacturing bent pipes |
| JP2006300556A (en) * | 2005-04-15 | 2006-11-02 | Kenji Nomi | Position measuring method |
-
2007
- 2007-11-09 CN CNB2007101683091A patent/CN100464106C/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11277295A (en) * | 1998-03-30 | 1999-10-12 | Kenji Nomi | Jig for short tube flange |
| JP2000005875A (en) * | 1998-06-24 | 2000-01-11 | Nomi Kenji | Method for deciding posture of flange mounting face in reproducing device, and recording medium for reproducing device |
| CN2374842Y (en) * | 1998-12-03 | 2000-04-19 | 中国石油天然气管道局管道技术公司 | Pipeline flexural detecting device |
| JP2000329502A (en) * | 1999-05-17 | 2000-11-30 | Kenji Nomi | Position-inspecting apparatus |
| CN1628305A (en) * | 2002-02-05 | 2005-06-15 | Gcc公司 | System and method for drawing and manufacturing bent pipes |
| CN1612141A (en) * | 2003-11-01 | 2005-05-04 | 鸿富锦精密工业（深圳）有限公司 | Bending process making system and method |
| JP2006300556A (en) * | 2005-04-15 | 2006-11-02 | Kenji Nomi | Position measuring method |
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