EP1001247A2 - Positionsgeber zur Anstellhubwegmessung der Walzen eines Walzgerüstes - Google Patents
Positionsgeber zur Anstellhubwegmessung der Walzen eines Walzgerüstes Download PDFInfo
- Publication number
- EP1001247A2 EP1001247A2 EP99121755A EP99121755A EP1001247A2 EP 1001247 A2 EP1001247 A2 EP 1001247A2 EP 99121755 A EP99121755 A EP 99121755A EP 99121755 A EP99121755 A EP 99121755A EP 1001247 A2 EP1001247 A2 EP 1001247A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hydraulic cylinder
- guide piston
- measuring
- telescopic housing
- housing
- 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
- 238000005096 rolling process Methods 0.000 title description 7
- 238000005452 bending Methods 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 3
- 238000012549 training Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
- B21B2203/12—Covers or shieldings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/58—Roll-force control; Roll-gap control
- B21B37/62—Roll-force control; Roll-gap control by control of a hydraulic adjusting device
Definitions
- the invention relates to a position transmitter for measuring the stroke length one that acts on the bearing chocks of rolls of a roll stand Hydraulic cylinder, which is guided by a guide piston that opposes supports the rolling stand, consisting of a telescopic housing, one of which, a lower part receiving a displacement transducer fixed to the hydraulic cylinder, and its other, a measuring rod assigned to the displacement sensor upper part is supported against the carrier of the guide piston.
- Position encoders of this type are used in the roll stands of roller mills at Strip thickness control for setting the roll gap between the rolls of Roll stand used. Because the roll gap setting is highly accurate only position sensors with a high resolution are used work, and the system must be virtually free of play, so that no rejects are lost arise when the strips are rolled.
- the hydraulic cylinder acting on the bearing chocks of the rolls of the roll stand leads during the rolling operation due to the resulting bends of the reels on their longitudinal axis within the game in the stands of the rolling stand from slight tilting movements. These tilts can possibly on the sensitive movement system of dipstick and Transducers are transmitted and then lead to damage to the Dipstick or for incorrect measurements.
- the invention has for its object the generic position transmitter to improve so that in addition to a lighter design of the telescopic housing no falsifications from the temporary accelerations of the hydraulic cylinder of the measurement results can arise.
- This task is carried out by a person who holds the dipstick upper part of the telescopic housing and the plate arranged on the guide piston, firmly connected with this elastic bending rod, its longitudinal axis runs in the direction of the lifting movement of the hydraulic cylinder.
- the two ends of the bending rod on the one hand on the top of the upper part of the telescope housing facing them and on the other hand on the inside of one, on the plate on the guide piston attached, with its pot opening also assigned to the telescopic housing Pot body can be placed and releasably connected to it.
- the ends of the bending rod can also be designed to be flanged his.
- the position transmitter consists of a telescopic housing, which consists of a tubular lower housing part 1 and one, in this axially guided upper housing part 2 is composed.
- the lower housing part 2 is firmly connected to the hydraulic cylinder 4 by means of a clamping tensioning device 3, which is guided vertically up and down by a guide piston 5 is connected to a plate 6 against the roll stand, not shown supports.
- the upper housing part 2 carries a central one below its end face Clamping device 7 for the dipstick 8, the central axial in the, of a Cylinder sleeve 9 immersed electronic displacement transducer 10.
- the upper Housing part 2 sits with an outer ring flange 2a on a cylindrical spring 11 on, which is supported against a bottom piece 1a of the lower housing part 1.
- the from this base piece 1a to the displacement transducer is designated 12.
- the upward-facing end face of the upper housing part 2 of the telescopic housing carries a spherical curvature 13, which has a pressure piece 14 applied, which is fixed to the lower wall of the plate 6.
- the upper part of the housing 2 and the lower housing part 1 encloses a flexible harmonica protective tube 15, the one hand on the circumference of the lower housing part 1 and the other is attached to the pressure piece 14.
- the upper housing part 2 is through Actuation of its ring flange 2a by the cylinder spring 11 in the direction pressed upwards against the plate 6 and thus hits the spherical curvature 13 in the pressure piece 14.
- the lower housing part 1 of the telescopic housing follows the positioning movements of the hydraulic cylinder 4 in the direction of the double arrow S shown, since it is fixed connected to it.
- the pressure connection of the upper housing part remains 2 with the plate 6 over the spherical curvature 13 and the pressure piece 14, because the upper housing part 2 is under the pressure of the cylinder spring 11.
- Just with a very quickly accelerated movement of the hydraulic cylinder 4 below the pressure connection between the spherical curvature 13 and the pressure piece 14 release this pressure connection if the pressure of the cylinder spring 11 is not sufficient maintain. In this case, the position of the Measuring rod 8 in the displacement sensor 10 no longer the actual position of the guide piston 5 with the result that incorrect measurement results are forwarded.
- FIG. 2 corresponds to that of FIG. 1 with reference to the fixed connection of the lower housing part 21 of the telescopic housing with the hydraulic cylinder 4 and the guide of the upper housing part 22 in this telescopic housing with the proviso that due to the elimination of the cylinder spring used there 11 only the cylinder sleeve 29 corresponding to the cylinder sleeve 9, which also here the transducer 20 detects and carries, as a guide element for them comprehensive and sliding on its upper housing part 22 serves, with the result that fewer and lighter components can be used.
- the ball arch-pressure piece connection 13, 14 in the training according to FIG. 1 is on the plate 6 is a pot body 23, with its pot opening facing downwards a recess 6a placed in the carrier 6 and fastened.
- One on both ends 24a, 24b flanged disk-shaped elastic bending rod 24 is with these Ends on the one hand on the inner bottom of the pot body 23 and on the other hand on the outer End face of the upper housing part 22 attached.
- the lower part of the housing 21 and a lower portion of the upper housing part 22 are from the harmonica protective tube 25 enclosed, and the, in the central jig 27 inserted dipstick 28 plunges into the displacement sensor 20.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Actuator (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Burglar Alarm Systems (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
Description
- Figur 1
- einen in ein Walzgerüst eingebauten Positionsgeber bekannter Ausbildung im Axialschnitt und
- Figur 2
- den ebenfalls eingebauten Positionsgeber nach der Erfindung, im Axialschnitt.
- 1
- unterer Gehäuseteil
- 1a
- Bodenstück
- 2
- oberer Gehäuseteil
- 2a
- Ringflansch
- 3
- Klemm-Spann-Vorrichtung
- 4
- Hydraulikzylinder
- 5
- Führungskolben
- 6
- Platte
- 6a
- Ausnehmung
- 7
- (zentrale) Einspannvorrichtung
- 8
- Meßstab
- 9
- Zylinderhülse
- 10
- Wegaufnehmer
- 11
- Zylinderfeder
- 12
- Verbindungsleitung
- 13
- Kugelwölbung
- 14
- Druckstück
- 15
- Harmonika-Schutzrohr
- 20
- Wegaufnehmer
- 21
- unterer Gehäuseteil
- 22
- oberer Gehäuseteil
- 23
- Topfkörper
- 24
- Biegestab
- 24a
- Flanschansatz
- 24b
- Flanschansatz
- 25
- Harmonika-Schutzrohr
26 - 27
- (zentrale) Einspannvorrichtung
- 28
- Meßstab
- 29
- Zylinderhülse
- s
- (Doppelpfeil)
Claims (3)
- Positionsgeber zur Anstellhubwegmessung eines, die Lagereinbaustücke der Walzen eines Walzgerüstes beaufschlagenden Hydraulikzylinders, der von einem, sich gegen das Walzgerüst abstützenden Führungskolben geführt wird, bestehend aus einem Teleskopgehäuse, dessen einer, einen Wegaufnehmer aufnehmender unterer Gehäuseteil fest mit dem Hydraulikzylinder und dessen anderer, einen den, dem Wegaufnehmer zugeordneten Meßstab aufnehmender oberer Teil mit dem Führungskolbens verbunden ist,
gekennzeichnet durch
einen zwischen dem, den Meßstab (28) aufnehmenden oberen Teil (22) des Teleskopgehäuses und der Platte (6) am Führungskolben angeordneten, fest mit diesen verbindbaren elastischen Biegestab (24), dessen Längsachse in Richtung der Hubbewegung des Hydraulikzylinders verläuft. - Positionsgeber nach Anspruch 1,
dadurch gekennzeichnet,
daß die beiden Enden (24a, 24b) des Biegestabes (24), einerseits auf die, ihnen zugewandte Oberseite des oberen Teils des Teleskopgehäuses (22) und andererseits auf den Innenboden eines, auf die Platte (6) am Führungskolben (5) aufgesetzten, mit seiner Topföffnung ebenfalls dem Teleskopgehäuse zugewandten Topfkörpers (23) aufleg- und lösbar mit diesen verbindbar sind. - Positionsgeber nach Anspruch 2,
dadurch gekennzeichnet,
daß die Enden (24a, 24b) des Biegestabes (24) flanschscheibenförmig erweitert ausgebildet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19851480A DE19851480B4 (de) | 1998-11-09 | 1998-11-09 | Positionsgeber zur Anstellhubwegmessung der Walzen eines Walzgerüstes |
DE19851480 | 1998-11-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1001247A2 true EP1001247A2 (de) | 2000-05-17 |
EP1001247A3 EP1001247A3 (de) | 2001-11-21 |
EP1001247B1 EP1001247B1 (de) | 2009-01-21 |
Family
ID=7887091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99121755A Expired - Lifetime EP1001247B1 (de) | 1998-11-09 | 1999-11-03 | Positionsgeber zur Anstellhubwegmessung der Walzen eines Walzgerüstes |
Country Status (6)
Country | Link |
---|---|
US (1) | US6173596B1 (de) |
EP (1) | EP1001247B1 (de) |
JP (1) | JP4377010B2 (de) |
AT (1) | ATE421677T1 (de) |
DE (2) | DE19851480B4 (de) |
ES (1) | ES2318881T3 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007048686A1 (de) | 2007-10-10 | 2009-04-16 | Sms Demag Ag | Positionsgeber zur Anstellhubwegmessung eines Kolben-Zylinder-Systems |
DE102008037756A1 (de) | 2008-08-14 | 2010-02-18 | Sms Siemag Aktiengesellschaft | Positionsgeber für hydraulische Anstellsysteme in einem Walzgerüst |
AT523054B1 (de) * | 2020-01-16 | 2021-05-15 | Horst Leopold Ing | Magnetostriktive Wegmesseinrichtung |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10130969A1 (de) * | 2001-06-27 | 2003-01-16 | Sms Demag Ag | Bridleeinheit |
DE10202526B4 (de) | 2001-12-12 | 2022-02-03 | Sms Group Gmbh | Einrichtung zur Messung des Walzspaltes zwischen Arbeitswalzen eines Kalt- oder Warmwalzgerüstes |
KR100460264B1 (ko) * | 2002-07-04 | 2004-12-08 | 한국타이어 주식회사 | 타이어 제조용 믹싱밀의 롤갭 조정장치 |
DE102008004540B4 (de) * | 2008-01-15 | 2014-12-11 | Sms Siemag Aktiengesellschaft | Anordnung zur Walzspaltregelung |
EP3150293A1 (de) * | 2015-09-30 | 2017-04-05 | Primetals Technologies Austria GmbH | Wegmesseinrichtung für einen hydraulischen zylinder |
EP3150292A1 (de) * | 2015-10-02 | 2017-04-05 | Primetals Technologies Austria GmbH | Anstellvorrichtung |
WO2020093220A1 (zh) * | 2018-11-06 | 2020-05-14 | 深圳创怡兴实业有限公司 | 毛刺检测装置和方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4194383A (en) * | 1978-06-22 | 1980-03-25 | Gulf & Western Manufacturing Company | Modular transducer assembly for rolling mill roll adjustment mechanism |
DE3212525A1 (de) * | 1982-04-03 | 1983-11-24 | Mannesmann AG, 4000 Düsseldorf | Walzspaltregel- und -anstellvorrichtung fuer insbesondere vertikalgerueste |
EP0163247A2 (de) * | 1984-06-01 | 1985-12-04 | MANNESMANN Aktiengesellschaft | Walzenanstellanzeige |
DE3804163A1 (de) * | 1988-02-11 | 1989-08-24 | Reinhard Lipinski | Druckmittelbetriebene stell- oder arbeitsvorrichtung |
US5970599A (en) * | 1997-07-14 | 1999-10-26 | The Olofsson Corporation | Milling machine |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1354680A (en) * | 1970-10-02 | 1974-06-05 | Wean United Inc | Rolling mills |
JPS57103723A (en) * | 1980-12-19 | 1982-06-28 | Kawasaki Steel Corp | Controlling method and measuring device for gap between upper and lower work roll chock of rolling mill |
CH659595A5 (en) * | 1983-06-10 | 1987-02-13 | Guenther Alich | Roll-gap measuring device with a calibrating appliance |
JPS61199506A (ja) * | 1985-02-28 | 1986-09-04 | Ishikawajima Harima Heavy Ind Co Ltd | 圧延機 |
JPS6453710A (en) * | 1987-08-21 | 1989-03-01 | Hitachi Ltd | Screw up device for rolling mill |
FR2645051A1 (fr) * | 1989-03-28 | 1990-10-05 | Clecim Sa | Dispositif de reperage de la position des cylindres d'un laminoir |
-
1998
- 1998-11-09 DE DE19851480A patent/DE19851480B4/de not_active Expired - Fee Related
-
1999
- 1999-10-28 JP JP30771199A patent/JP4377010B2/ja not_active Expired - Lifetime
- 1999-11-03 AT AT99121755T patent/ATE421677T1/de active
- 1999-11-03 ES ES99121755T patent/ES2318881T3/es not_active Expired - Lifetime
- 1999-11-03 DE DE59914952T patent/DE59914952D1/de not_active Expired - Lifetime
- 1999-11-03 EP EP99121755A patent/EP1001247B1/de not_active Expired - Lifetime
- 1999-11-08 US US09/435,756 patent/US6173596B1/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4194383A (en) * | 1978-06-22 | 1980-03-25 | Gulf & Western Manufacturing Company | Modular transducer assembly for rolling mill roll adjustment mechanism |
DE3212525A1 (de) * | 1982-04-03 | 1983-11-24 | Mannesmann AG, 4000 Düsseldorf | Walzspaltregel- und -anstellvorrichtung fuer insbesondere vertikalgerueste |
EP0163247A2 (de) * | 1984-06-01 | 1985-12-04 | MANNESMANN Aktiengesellschaft | Walzenanstellanzeige |
DE3804163A1 (de) * | 1988-02-11 | 1989-08-24 | Reinhard Lipinski | Druckmittelbetriebene stell- oder arbeitsvorrichtung |
US5970599A (en) * | 1997-07-14 | 1999-10-26 | The Olofsson Corporation | Milling machine |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007048686A1 (de) | 2007-10-10 | 2009-04-16 | Sms Demag Ag | Positionsgeber zur Anstellhubwegmessung eines Kolben-Zylinder-Systems |
WO2009049770A1 (de) * | 2007-10-10 | 2009-04-23 | Sms Siemag Ag | Positionsgeber zur anstellhubwegmessung eines kolben-zylinder-systems |
DE102008037756A1 (de) | 2008-08-14 | 2010-02-18 | Sms Siemag Aktiengesellschaft | Positionsgeber für hydraulische Anstellsysteme in einem Walzgerüst |
AT523054B1 (de) * | 2020-01-16 | 2021-05-15 | Horst Leopold Ing | Magnetostriktive Wegmesseinrichtung |
AT523054A4 (de) * | 2020-01-16 | 2021-05-15 | Horst Leopold Ing | Magnetostriktive Wegmesseinrichtung |
WO2021142499A1 (de) | 2020-01-16 | 2021-07-22 | Horst Leopold | Magnetostriktive wegmesseinrichtung |
Also Published As
Publication number | Publication date |
---|---|
DE19851480A1 (de) | 2000-05-11 |
ES2318881T3 (es) | 2009-05-01 |
JP2000140914A (ja) | 2000-05-23 |
DE19851480B4 (de) | 2007-09-13 |
ATE421677T1 (de) | 2009-02-15 |
US6173596B1 (en) | 2001-01-16 |
JP4377010B2 (ja) | 2009-12-02 |
EP1001247A3 (de) | 2001-11-21 |
EP1001247B1 (de) | 2009-01-21 |
DE59914952D1 (de) | 2009-03-12 |
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