WO2010142536A1 - Procédé et dispositif de détermination de la position d'un corps dans une machine - Google Patents

Procédé et dispositif de détermination de la position d'un corps dans une machine Download PDF

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Publication number
WO2010142536A1
WO2010142536A1 PCT/EP2010/057369 EP2010057369W WO2010142536A1 WO 2010142536 A1 WO2010142536 A1 WO 2010142536A1 EP 2010057369 W EP2010057369 W EP 2010057369W WO 2010142536 A1 WO2010142536 A1 WO 2010142536A1
Authority
WO
WIPO (PCT)
Prior art keywords
target mark
holding device
roll
measuring
machine
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.)
Ceased
Application number
PCT/EP2010/057369
Other languages
German (de)
English (en)
Inventor
Harald Mäding
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Voith Patent GmbH
Original Assignee
Voith Patent GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of WO2010142536A1 publication Critical patent/WO2010142536A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
    • G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes

Definitions

  • the invention relates to a method and an apparatus for determining the position of a roller body, e.g. in a paper machine.
  • DE 10 2007 041 750 A1 discloses a measuring system for determining the position of a cylindrical body in a paper machine.
  • the target is arranged contactless at the measuring point and the position of the target to the body is measured.
  • the aiming device In order to obtain an accurate measurement, the aiming device must be so aushchtbar that the non-contact measuring device can always be aligned radially on the axis of rotation of the cylindrical body. This requires elaborate guides and adjusting devices. In addition, many rollers are difficult to access so that a complex device has no place.
  • the invention is based on the object to provide a body for determining the position of a rolling, in particular in a paper machine, serving method and a corresponding device, which considerably simplifies the measurement and manages without expensive devices.
  • a method for determining the absolute position of rotatably mounted roll bodies in a machine, preferably in a paper machine, with the following steps:
  • the target mark holding device is mounted at the first position anywhere on the circumference of the roll body and the target is then aligned horizontally and fixed relative to the attachment frame and the Target mark holding device, after determining the position of the roll body at the first measuring point, is attached to the second position at the same radial circumferential position.
  • the alignment of the target mark holder on the attachment frame is preferably carried out with the help of a spirit level or dragonfly but also an electronic protractor is conceivable.
  • the target mark holding device is positioned in each case at the end regions of the roll body, wherein the best measurement results are achieved when the target mark holding device is respectively positioned at the ends of the rolling body.
  • the target can also be gimballed mounted on the target mark holding device, so that it can be aligned for the measurement perpendicular to the 3D measuring device.
  • the target mark holding device On the roll surface, the target mark holding device is magnetically fixed, so it is relatively easy to displace the target mark holding device radially on the roll surface.
  • the target mark holding device can thus be moved on the roller at the second position in the circumferential direction until the target mark is aligned horizontally, or has its own radial position as at the first position.
  • the measurement can also be made in inaccessible places
  • FIG. 1 principle drawing for the realization of the method according to the invention.
  • FIG. 2 shows the measuring arrangement in front view
  • FIG. 3 shows an embodiment of the measuring device
  • FIG. 4 measuring device with additional target mark
  • FIG. 1 shows cylindrical roller bodies 4 arranged one behind the other in the machine direction.
  • a paper machine generally has hundreds of roller bodies 4 arranged in parallel.
  • the roller bodies 4 may be arranged one behind the other and / or one above the other in the machine direction, for example.
  • the paper machine will be referred to simply as a machine, but hereunder also other mat manufacturing equipment such as e.g. Pulp, board and tissue machines but also printing presses are to be understood.
  • rollers and cylinders support / support various types of clothing in the machine, such as e.g. Langsiebe and felts or have direct contact with the web.
  • various types of clothing in the machine such as e.g. Langsiebe and felts or have direct contact with the web.
  • the roller body 4 In order to ensure the smoothest possible running of these fabrics or the web and even a smooth operation of the machine, the roller body 4 must be positioned very accurately.
  • each roller body 4 In practice, the position of each roller body 4 must be checked for perpendicularity with respect to the machine longitudinal axis and the vertical.
  • the machine longitudinal axis is usually also shown in the form of a special baseline 1 next to the machine. All components of a paper machine are aligned with respect to the baseline.
  • the baseline 1 In Fig. 1, the baseline 1 is shown, at which one is oriented in the construction of the machine.
  • a measuring or baseline is created in connection with the assembly, which is located at a certain distance from the central axis of the machine.
  • the perpendicularity of individual machine components in relation to the baseline that is to say to the center axis of the machine, can be determined on the basis of the baseline 1.
  • the positions of the various machine parts are determined in relation to the baseline 1.
  • the determination of the position of the bodies can take place, for example, during the assembly of the machine, during the assembly of the components as well as after maintenance.
  • the baseline 1 is often visibly marked at the beginning and end of the PM floor, partly at the PM floor; but at least the fixed points 2.3 determining these lines are marked in the various parts of the machine hall.
  • the 3D measuring device e.g. position the Sokkia Net 1200 total station in the area of the roll body to be measured and then measure it into the coordinate system of the machine with respect to the fixed points 2 and 3. It is important to ensure that the targets are visible on the target mark holding device 6 at the two desired measurement positions.
  • the target mark holding device 6 is positioned on the roll surface 14 at the first position, one end of the roll body 4.
  • the target mark holding device 6 automatically aligns so that the axis of rotation 7, for the horizontal alignment of the
  • Target mark 10 parallel to the axis of rotation 5 runs. It does not matter at which circumferential position the target mark holding device 6 is positioned, it is only necessary to ensure that the target mark is horizontally alignable. For horizontal alignment is a spirit level 9 or a
  • the aiming mark holder 8 After alignment, the aiming mark holder 8 is fixed to the aiming mark holding device 6, and the position of the aiming mark 10 can be measured with the 3D measuring device. Subsequently, the target mark holding device 6 is positioned at the second position, at the other end of the roll, in such a way that the target is horizontally aligned in the fixed position, that is positioned at the same radial position. If both positions of the target marks are calibrated, the position of the roll body can be determined by means of the measuring points in the coordinate system of the paper machine.
  • Fig. 2 the measuring arrangement is shown again in the front view. It will be appreciated that the aiming marker 6 is equally aligned at both positions and positioned at the same radial position.
  • the inclination of the roll in the coordinate system of the paper machine, or in the horizontal direction and in the machine direction, is calculated by measuring and detecting the positions of the target marks, at the ends of the roll, with a 3D measuring device.
  • a measuring device according to the invention is shown in detail. With attached to the attachment frame 11 cylindrical contact surfaces 20 is the
  • Target mark holding device 6 is placed on the roll surface 14.
  • the target mark holder is rotatably mounted relative to the attachment frame 11 and fixed. For better fixation can a
  • Raster device can be provided.
  • a further measuring device is shown.
  • a gimbal-mounted target 10 is also attached to the target mark holder 8.
  • the target without a change of Target center point can be optimally aligned to the 3D measuring device, or be targeted by this vertically.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

L'invention concerne un procédé de détermination de la position absolue de corps de cylindre montés à rotation dans une machine, de préférence dans une machine à papier, et qui présente les étapes suivantes : - positionnement d'un appareil de mesure en 3D dans la zone des corps de cylindre à mesurer, - calibrage de l'appareil de mesure en 3D par rapport aux points fixes du système de coordonnées de la machine, - positionnement d'un dispositif de maintien d'un repère de visée sur la surface du corps de cylindre en une première position puis en une deuxième position, la première et la deuxième position du repère de visée étant calibrées à l'aide de l'appareil de mesure en 3D et la position du corps de cylindre étant définie à l'aide des points de mesure dans le système de coordonnées de la machine à papier. Le dispositif de maintien du repère de visée est placé dans la première position en un emplacement quelconque à la périphérie du corps de cylindre et le repère de visée est ensuite orienté à l'horizontale et immobilisé par rapport au bâti, et le dispositif de maintien du repère de visée est placé dans la deuxième position au même emplacement périphérique, après la détermination de la position du corps de cylindre au premier point de mesure.
PCT/EP2010/057369 2009-06-09 2010-05-28 Procédé et dispositif de détermination de la position d'un corps dans une machine Ceased WO2010142536A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009026836.7 2009-06-09
DE102009026836A DE102009026836A1 (de) 2009-06-09 2009-06-09 Verfahren und Vorrichtung zur Bestimmung der Position eines Körpers in einer Maschine

Publications (1)

Publication Number Publication Date
WO2010142536A1 true WO2010142536A1 (fr) 2010-12-16

Family

ID=42335166

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/057369 Ceased WO2010142536A1 (fr) 2009-06-09 2010-05-28 Procédé et dispositif de détermination de la position d'un corps dans une machine

Country Status (2)

Country Link
DE (1) DE102009026836A1 (fr)
WO (1) WO2010142536A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120079730A1 (en) * 2010-09-30 2012-04-05 Robert Clemens Chuck Alignment Apparatus
CN103512539A (zh) * 2012-06-18 2014-01-15 上海宝钢工业技术服务有限公司 轴辊的垂直度测量方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014212797A1 (de) 2014-07-02 2016-01-07 Prüftechnik Dieter Busch AG Verfahren zum Ermitteln der Ausrichtung eines Laserlichtstrahls in Bezug auf eine Drehachse einer Einrichtung, die um die Drehachse rotierbar ist, und Laserlicht-Erfassungseinrichtung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004412A1 (de) * 2003-02-03 2004-08-05 Metso Paper, Inc. Verfahren zur Bestimmung der Position eines zylindrischen Körpers in der Papiermaschine und bei diesem Verfahren einzusetzende Messanlage
DE102007041750A1 (de) * 2006-09-06 2008-04-17 Metso Paper, Inc. Verfahren zur Bestimmung der Position eines Körpers in einer Papiermaschine und bei diesem Verfahren einzusetzende Messanlage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004004412A1 (de) * 2003-02-03 2004-08-05 Metso Paper, Inc. Verfahren zur Bestimmung der Position eines zylindrischen Körpers in der Papiermaschine und bei diesem Verfahren einzusetzende Messanlage
DE102007041750A1 (de) * 2006-09-06 2008-04-17 Metso Paper, Inc. Verfahren zur Bestimmung der Position eines Körpers in einer Papiermaschine und bei diesem Verfahren einzusetzende Messanlage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120079730A1 (en) * 2010-09-30 2012-04-05 Robert Clemens Chuck Alignment Apparatus
US8726531B2 (en) * 2010-09-30 2014-05-20 Robert Clemans Chuck alignment apparatus
CN103512539A (zh) * 2012-06-18 2014-01-15 上海宝钢工业技术服务有限公司 轴辊的垂直度测量方法

Also Published As

Publication number Publication date
DE102009026836A1 (de) 2011-01-05

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