EP2177283A2 - Procédé et dispositif d'alignement de tuyaux sur un dispositif d'élargissement - Google Patents
Procédé et dispositif d'alignement de tuyaux sur un dispositif d'élargissement Download PDFInfo
- Publication number
- EP2177283A2 EP2177283A2 EP09011405A EP09011405A EP2177283A2 EP 2177283 A2 EP2177283 A2 EP 2177283A2 EP 09011405 A EP09011405 A EP 09011405A EP 09011405 A EP09011405 A EP 09011405A EP 2177283 A2 EP2177283 A2 EP 2177283A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- straightening
- tube
- saddles
- rollers
- expander tool
- 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/02—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers
- B21D3/05—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts by rollers arranged on axes rectangular to the path of the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/14—Recontouring
Definitions
- the invention relates to a method and a device for straightening pipes with a dipping into the tube, radially expandable, supported by a tie rod with spar Expanderwerkmaschine and externally acting on the tube in the radial direction of straightening means.
- the tubes are therefore directed with expander heads or tools, as by the DE-PS 2 264 207 known.
- the actual expander tool consists of a pyramidal polygon, on the lateral surface of individual segments are arranged. By moving the Dahlkantes relative to the segments they are moved radially, so that thereby increases the diameter of the expander head and the tube expands.
- the tubes which are up to 18 m long, are gradually widened and calibrated in this way.
- the invention is therefore based on the object to provide a method and an apparatus of the generic type without the disadvantages described, in particular for straightening pipes with thicker wall thicknesses and higher material strengths and thereby small diameter ranges.
- This object is achieved for a method according to the invention in that the expander or expander tool expands the tube only to flow of the material and the introduced from the outside straightening forces are applied as a directional triangle on the tube.
- the widening and straightening are functionally separated, asymmetries on the expander tool and on its spar as well as on the pull rod occurring moments can be avoided. This does not adversely affect the life of the components.
- straightening force and -weg can be initiated controlled, so that a pipe can be targeted and reproducible directed.
- the device can be designed so that either only in one plane (because the tube is usually hollow above the weld) or also spatially directed.
- the straightening forces can be generated by only one force applying means, i. with application of force to only one point of the tube, wherein the connection of the straightening means leads to the formation of the directional triangle.
- An embodiment of the invention provides that the straightness of the tube is measured and the straightening process is corrected as a function of the measurement results. This can be done immediately manually or at least partially automated.
- the object underlying the invention is achieved with a device according to the invention in that the expander tool are assigned three axially spaced straightening means, of which the mean straightening means is provided in the region of the expander tool.
- the straightening means may be formed according to a proposal of the invention as being applied to the pipe saddles or rollers, wherein the mean straightening means also holds the tube with the expander tool in the interior in position.
- rollers or saddles are arranged in pairs opposite each other in scaffolding, wherein for applying the straightening force preferably the rollers or saddles only the two outer frameworks against the pipe are adjustable.
- the forces can be short-circuited and are not conducted into the foundation or the expander frame.
- Another embodiment of the invention provides that in a common support frame, a middle saddle or a middle roller and vertically spaced from each of these at the outer ends of the support frame, a saddle or a roller is arranged, wherein the saddles or rollers are preferably articulated mounted in the support frame.
- a force-applying means e.g. a hydraulic cylinder is formed, preferably one of the outer saddles or one of the outer rollers.
- FIG. 1 to 3 is shown for straightening a curved, not straight, thick-walled tube 1 a retracted by a displacement device, not shown Expanderwerkzeug 2 inside the tube 1.
- the expander tool 2 is supported by a tie rod 3, which is coaxially covered by a spar 4.
- the expander tool 2 can be changed in diameter by mutually displaceable wedge surfaces and serves only to widen the tube 1 to make the material to flow, whereby the force for bending the tube is considerably smaller than non-flowing material.
- the tube 1 is applied to produce the straightness with externally introduced as a directional triangle or applied, indicated by arrows straightening forces F1, F2 and F3.
- the straightening forces F1 to F3 can be introduced into the tube 1 by straightening force means in the form of rollers 5 or 5a, 5b or saddles 6 or 6a, 6b.
- Fig. 2 In the execution after Fig. 2 are in three axially spaced-apart stands 7 and 7a, 7b arranged in pairs opposite rollers 5 and 5a, 5b.
- the middle frame 7 is arranged in the region of the expander tool 2 and holds it in position with the tube 1.
- the rollers 5a, 5b of the two outer frameworks 7a, 7b can be adjusted against the tube 1 by a force-applying means 8, as indicated by the double arrows.
- the right outer frame 7a is behind and the front outer frame 7b is positioned in front of the expander tool 2.
- Fig. 3 The execution after Fig. 3 has for the straightening means or saddles 6, 6a, 6b a common, here triangular support frame 10 in which the saddles 6, 6a, 6b are articulated.
- the straightening force to form the straightening triangle consisting of the straightening forces F1, F2 and F3 (cf. Fig. 1 ), is generated only in one place, by a force applying means 11 assigned to the right outer saddle 6a.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Heat Treatment Of Articles (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008051879 | 2008-10-16 | ||
| DE102008059108A DE102008059108A1 (de) | 2008-10-16 | 2008-11-26 | Verfahren und Vorrichtung zum Richten von Rohren auf einem Expander |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| EP2177283A2 true EP2177283A2 (fr) | 2010-04-21 |
| EP2177283A3 EP2177283A3 (fr) | 2012-07-11 |
| EP2177283B1 EP2177283B1 (fr) | 2016-04-13 |
| EP2177283B8 EP2177283B8 (fr) | 2016-06-15 |
Family
ID=41664600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09011405.9A Not-in-force EP2177283B8 (fr) | 2008-10-16 | 2009-09-05 | Procédé et dispositif d'alignement de tuyaux sur un dispositif d'élargissement |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8474292B2 (fr) |
| EP (1) | EP2177283B8 (fr) |
| JP (1) | JP5345031B2 (fr) |
| DE (1) | DE102008059108A1 (fr) |
| RU (1) | RU2418645C1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8789399B2 (en) | 2008-07-10 | 2014-07-29 | Arku Maschinenbau Gmbh | Method for leveling parts in a roller leveling machine |
| CN107900150A (zh) * | 2017-10-31 | 2018-04-13 | 芜湖普威技研有限公司 | 金属管件焊接变形的校正销 |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9044802B2 (en) * | 2010-03-26 | 2015-06-02 | Weatherford Technology Holdings, Llc | Dynamic load expansion test bench and method of expanding a tubular |
| US20110289994A1 (en) * | 2010-05-27 | 2011-12-01 | Smith David P | System and method for straightening tubing |
| JP5857876B2 (ja) * | 2012-05-15 | 2016-02-10 | 新日鐵住金株式会社 | Ｕｏｅ鋼管製造用の拡管機 |
| IN2015DN00990A (fr) * | 2012-08-09 | 2015-06-12 | Jfe Steel Corp | |
| DE202012104450U1 (de) * | 2012-11-19 | 2014-02-25 | Rehau Ag + Co | Expansionskopf für Aufweitwerkzeuge und diesen umfassendes Expansionswerkzeug |
| KR101454105B1 (ko) * | 2013-02-14 | 2014-10-27 | 김희영 | 건축용 동바리 복원장치 |
| CN104226741A (zh) * | 2014-08-26 | 2014-12-24 | 四川金锋建设有限公司 | 校正劲性柱内型钢柱时传输型钢柱的机构 |
| CN104475496B (zh) * | 2014-11-14 | 2016-06-29 | 燕山大学 | 一种粗轴零件的校直方法及设备 |
| EP3277445B1 (fr) * | 2015-04-01 | 2019-06-19 | BLM S.p.A. | Appareil pour l'amélioration de la qualité de cintrage d'un tube et procédé qui utilise un tel appareil |
| AT518414B1 (de) * | 2016-04-13 | 2017-10-15 | Friedrich Moser | Verfahren zum Richten eines Werkstücks |
| CN107654790A (zh) * | 2017-06-28 | 2018-02-02 | 沪东中华造船(集团)有限公司 | 一种金属管壁凹陷修复工装及其使用方法 |
| CN107649543B (zh) * | 2017-10-26 | 2023-09-29 | 郑州万达重工股份有限公司 | 一种炮管智能矫正系统 |
| CN112371767B (zh) * | 2020-10-24 | 2022-10-11 | 西安坤园航空科技有限公司 | 一种铝型材矫直机及使用该矫直机的铝型材加工工艺 |
| CN112453117B (zh) * | 2020-11-26 | 2024-06-18 | 广东和胜工业铝材股份有限公司 | 管材整形设备 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2264207A1 (fr) | 1972-12-28 | 1974-01-10 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1454299A (en) | 1972-12-28 | 1976-11-03 | Mannesmann Meer Ag | Mechanical tube expander |
| SU940905A1 (ru) * | 1980-11-12 | 1982-07-07 | Днепропетровский Ордена Трудового Красного Знамени Металлургический Институт | Способ правки труб |
| JPS58194821U (ja) * | 1983-01-13 | 1983-12-24 | 株式会社技研製作所 | 鋼矢板、ｈ鋼等の鋼材歪取り機 |
| JPS6199522A (ja) * | 1984-10-23 | 1986-05-17 | Mitsubishi Heavy Ind Ltd | 管矯正装置 |
| JPS61186123A (ja) * | 1985-02-15 | 1986-08-19 | Toshiba Corp | 歪矯正装置 |
| JPS61199519A (ja) * | 1985-02-28 | 1986-09-04 | Hitachi Zosen Corp | 条材曲げ加工装置 |
| JPS62199225A (ja) * | 1986-02-27 | 1987-09-02 | Sumitomo Metal Ind Ltd | 拡管・曲り矯正装置 |
| JPH0832340B2 (ja) * | 1988-03-16 | 1996-03-29 | 川崎製鉄株式会社 | 鋼管の曲がり矯正方法 |
| JPH0726009Y2 (ja) * | 1989-12-15 | 1995-06-14 | 石原機械工業株式会社 | 固定式ストライナー |
| JPH07284853A (ja) * | 1994-04-13 | 1995-10-31 | Kubota Corp | 管曲がり矯正装置における学習機能を用いた制御方法 |
| DE10053933B4 (de) * | 2000-10-31 | 2005-01-27 | Thyssen Krupp Gleistechnik Gmbh | Verfahren zum Richten einer Schiene |
| DE10354554B4 (de) * | 2003-11-21 | 2005-09-15 | Sms Meer Gmbh | Vorrichtung zum Richten eines Rohres |
| JP4807409B2 (ja) * | 2006-04-14 | 2011-11-02 | 住友金属工業株式会社 | 管の矯正方法およびその矯正方法を用いた管の製造方法 |
-
2008
- 2008-11-26 DE DE102008059108A patent/DE102008059108A1/de not_active Withdrawn
-
2009
- 2009-09-05 EP EP09011405.9A patent/EP2177283B8/fr not_active Not-in-force
- 2009-09-14 JP JP2009211187A patent/JP5345031B2/ja not_active Expired - Fee Related
- 2009-10-13 US US12/577,751 patent/US8474292B2/en not_active Expired - Fee Related
- 2009-10-15 RU RU2009138189/02A patent/RU2418645C1/ru not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2264207A1 (fr) | 1972-12-28 | 1974-01-10 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8789399B2 (en) | 2008-07-10 | 2014-07-29 | Arku Maschinenbau Gmbh | Method for leveling parts in a roller leveling machine |
| CN107900150A (zh) * | 2017-10-31 | 2018-04-13 | 芜湖普威技研有限公司 | 金属管件焊接变形的校正销 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2177283B8 (fr) | 2016-06-15 |
| DE102008059108A1 (de) | 2010-04-22 |
| RU2418645C1 (ru) | 2011-05-20 |
| EP2177283A3 (fr) | 2012-07-11 |
| JP2010094734A (ja) | 2010-04-30 |
| US8474292B2 (en) | 2013-07-02 |
| US20100095736A1 (en) | 2010-04-22 |
| JP5345031B2 (ja) | 2013-11-20 |
| EP2177283B1 (fr) | 2016-04-13 |
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