EP1232813A1 - Verfahren und Vorrichtung zum Auswechseln der eine Strangführung bildenden Stützrollen einer Stranggiessvorrichtung für Metalle, insbesondere für Stahl - Google Patents
Verfahren und Vorrichtung zum Auswechseln der eine Strangführung bildenden Stützrollen einer Stranggiessvorrichtung für Metalle, insbesondere für Stahl Download PDFInfo
- Publication number
- EP1232813A1 EP1232813A1 EP02000842A EP02000842A EP1232813A1 EP 1232813 A1 EP1232813 A1 EP 1232813A1 EP 02000842 A EP02000842 A EP 02000842A EP 02000842 A EP02000842 A EP 02000842A EP 1232813 A1 EP1232813 A1 EP 1232813A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cassette
- roller
- segment
- support rollers
- continuous casting
- 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
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009749 continuous casting Methods 0.000 title claims abstract description 11
- 239000002184 metal Substances 0.000 title claims description 8
- 229910052751 metal Inorganic materials 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 title claims description 7
- 150000002739 metals Chemical class 0.000 title claims description 7
- 239000010959 steel Substances 0.000 title claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 5
- 210000003462 vein Anatomy 0.000 claims description 2
- 238000005266 casting Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1285—Segment changing devices for supporting or guiding frames
Definitions
- the invention relates to a method and an apparatus for replacing the support rollers of a continuous casting device for metals forming a strand guide, especially for steel, which are summarized in segments.
- the support rollers of the strand guide of a casting machine are highly stressed and wear depending on the operating conditions and the used Role-based materials.
- the service life of the support rollers is therefore very important for the availability of the casting machine and thus for the casting performance, i.e. the Production volume of continuous cast products.
- the strand guide is segmented. This will individual segments divided into less transportable sections that already have been designed to be interchangeable (DE 198 11 651 A1). The segments can can be picked up by a gripper and by means of a crane-like on the Machine can be removed from the casting platform and later transported back (EP 0 029 798 B1).
- a similar segment changing device for one in segments divided continuous casting plant is also known from DE 36 39 611 C1. All these segment changing devices are complex, heavy and expensive. It is however, the section-by-section change of strand guidance due to increasing Flexibility of the strand guidance e.g. through their hydraulic energy supply and the hydraulic piston-cylinder units are more and more complex and require more maintenance.
- the invention has for its object the change of support rollers in continuous casting plants without the complex, expensive disassembly of an entire segment and taking into account the resulting transport weights.
- the object is achieved according to the invention in that after removal one segment several, rotatably mounted on a holding frame, together one Supporting rollers forming roller cassette, by means of a lifting device from the segment frame removed and a repaired roller cassette reinstalled and the segment is brought back into the strand guide position.
- Another embodiment is that an upper roller cassette and a lower roller cassette supported by spacers together removed as a removable cassette and such a unit again after maintenance is installed.
- Another expansion or installation method is designed as a further training that one or both roller cassettes are only moved in the strand vein direction and then removed by the hoist or vice versa when installing is proceeded.
- the device for replacing the support rollers forming a strand guide a continuous caster for metals, especially for steel, which is combined in segments are, the object is achieved in that a roller cassette consisting of one for the fixed side and the loose side Number of support rollers rotatably mounted on a holding frame, wherein the fixed side roller cassette and the loose side roller cassette each by means of a detachable connection can be connected to the segment frame.
- roller cassette is in several parts. As a result, can use several smaller or one large roll cassette when designing Be chosen from the beginning.
- the removal process can vary according to the weight and size ratios are influenced in such a way that the two roller cassettes with spacers Can be removed together as a removable cassette or vice versa are. This means that only one operation is required when changing the support rollers.
- segment frame is U-shaped and that on the open side a rigid, approximately beam-shaped segment frame part by means of hydraulic piston-cylinder units arranged on both sides is deliverable. This allows the correct opening width for changing the Roller cassettes can be reached.
- the method for replacing the support rollers 1 forming a strand guide within segments 2 of a continuous casting device for metals, in particular for steel, is carried out in such steps that after expansion of a segment 2 and after transport to the segment workshop, several, on a holding frame 3 rotatably supported support rollers 1 forming a roller cassette 4, removed by a hoist 7 from the segment frame 2a and a repaired Roller cassette 4 reinstalled after its maintenance and the segment 2 is brought back into the strand guide position. It can also a first holding frame 3 with rotatably supported support rollers 1 for each segment 2 and a second, opposite holding frame 3 with rotatably mounted counter support rollers 1a can be removed or installed together as an exchangeable cassette 5.
- an upper roller cassette 4 and a lower roller cassette 4 by spacing means 6, e.g. through a metal or Wooden insert, supported on each other, expanded as a removable cassette 5 and a repaired unit is reinstalled after maintenance.
- spacing means 6, e.g. through a metal or Wooden insert supported on each other, expanded as a removable cassette 5 and a repaired unit is reinstalled after maintenance.
- vertical, vertical turning or Sheet feeder can also one or both roll cassettes 4 in the strand direction be moved and then removed by the hoist 7 or that the procedure is reversed when installing.
- the device for replacing the support rollers 1 forming a strand guide a continuous casting plant for metals, in particular for steel, which is in segments 2 are summarized, one for the fixed side 8 and one for the loss side 9 Roller cassette 4 in front, consisting of a number of on a holding frame 3rd pivoted support rollers 1, wherein the fixed-side roller cassette 10 and Lossum- roller cassette 11 each by means of a releasable connection 12 on the Segment frame 2a is clamped.
- the number of support rollers 1 or counter support rollers 1a per holding frame 3 depends on the manageability and / or the weight of the roller cassette 4th
- the upper and lower roller cassette 4, that is to say the loose-side roller cassette 9 and the fixed side roll cassette 10 can also be used as a unit with spacers 6 removed together as a removable cassette 5 or vice versa to be built in.
- the directions of movement 13 and 14 when removing or Installation of the roller cassettes 4 or a removable cassette 5 are from Type of continuous caster determined depending on. How the hoist works 7 takes place in the removal direction 15 or in the installation direction 16.
- the segment frame 2 which in its basic shape, as drawn, is U-shaped on the open side a rigid, approximately bar-shaped segment frame part 2b, the hydraulic piston-cylinder units 17 arranged on both sides and 18 can be employed, e.g. can be set up or delivered.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
- Accessories And Tools For Shearing Machines (AREA)
- Forwarding And Storing Of Filamentary Material (AREA)
Abstract
Description
- 1
- Stützrolle
- 1a
- Gegenstützrolle
- 2
- Segment
- 2a
- Segmentrahmen
- 2b
- Segmentrahmenteil
- 3
- Halterahmen
- 4
- Rollenkassette
- 5
- Wechselkassette
- 6
- Abstandsmittel
- 7
- Hebezeug
- 8
- Festseite
- 9
- Losseite
- 10
- Festseiten-Rollenkassette
- 11
- Losseiten-Rollenkassette
- 12
- Verbindung
- 13
- Bewegungsrichtung
- 14
- Bewegungsrichtung
- 15
- Ausbaurichtung
- 16
- Einbaurichtung
- 17
- Kolben-Zylinder-Einheit
- 18
- Kolben-Zylinder-Einheit
Claims (9)
- Verfahren zum Auswechseln der eine Strangführung bildenden Stützrollen einer Stranggießvorrichtung für Metalle , insbesondere für Stahl, die in Segmenten zusammengefasst sind,
dadurch gekennzeichnet, dass nach Ausbau eines Segmentes mehrere an einem Halterahmen drehgelagerte, zusammen eine Rollenkassette bildende Stützrollen, durch ein Hebezeug aus dem Segmentrahmen ausgebaut und eine instandgesetzte Rollenkassette wieder eingebaut und das Segment wieder in die Strangführungsposition zurückgebracht wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass pro Segment ein erster Halterahmen mit drehgelagerten Stützrollen und ein zweiter, gegenüberliegender Halterahmen mit drehgelagerten Gegen-Stützrollen zusammen als eine Wechselkassette aus- oder eingebaut werden. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet, dass eine obere Rollenkassette und eine untere Rollenkassette durch Abstandsmittel aufeinander abgestützt zusammen als Wechselkassette ausgebaut und eine solche Einheit nach Wartung wieder eingebaut wird. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass eine oder beide Rollenkassetten erst in Strangaderrichtung verschoben und dann durch das Hebezeug ausgebaut werden oder umgekehrt beim Einbauen verfahren wird. - Vorrichtung zum Auswechseln der eine Strangführung bildenden Stützrollen einer Stranggießanlage für Metalle, insbesondere für Stahl, die in Segmenten zusammengefasst sind,
dadurch gekennzeichnet, dass für die Festseite (8) und die Losseite (9) jeweils eine Rollenkassette (4), bestehend aus einer Anzahl von an einem Halterahmen (3) drehgelagerten Stützrollen (1) gebildet ist, wobei die Festseiten-Rollenkassette (10) und die Losseiten-Rollenkassette (11) jeweils mittels einer lösbaren Verbindung (12) an dem Segmentrahmen (2a) anschließbar sind. - Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass die Rollenkassette ( 4) mehrteilig ist. - Vorrichtung nach einem der Ansprüche 5 oder 6,
dadurch gekennzeichnet, dass die beiden Rollenkassetten (10, 11) mit Abstandsmitteln (6) zusammen als Wechselkassette (5) ausbaubar oder umgekehrt wieder einbaubar sind. - Vorrichtung nach einem der Ansprüche 5 bis 7,
dadurch gekennzeichnet, dass die Bewegungsrichtungen (13, 14) beim Ausbau oder Einbau der Rollenkassetten (4) oder der Wechselkassette (5) vom Typ der Stranggießanlage abhängig festlegbar ist. - Vorrichtung nach einem der Ansprüche 5 bis 8;
dadurch gekennzeichnet, dass der Segmentrahmen (2a) in seiner Grundform U-förmig ist und dass an der offenen Seite ein starrer, etwa balkenförmiger Segmentrahmenteil (2b) mittels beidseitig angeordneter hydraulischer Kolben-Zylinder-Einheiten (17; 18) auf- oder zustellbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10107565 | 2001-02-17 | ||
DE10107565A DE10107565A1 (de) | 2001-02-17 | 2001-02-17 | Verfahren und Vorrichtung zum Auswechseln der eine Strangführung bildenden Stützrollen einer Stranggießvorrichtung für Metalle, insbesondere für Stahl |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1232813A1 true EP1232813A1 (de) | 2002-08-21 |
EP1232813B1 EP1232813B1 (de) | 2007-03-07 |
Family
ID=7674464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02000842A Expired - Lifetime EP1232813B1 (de) | 2001-02-17 | 2002-01-15 | Verfahren und Vorrichtung zum Auswechseln der eine Strangführung bildenden Stützrollen einer Stranggiessvorrichtung für Metalle, insbesondere für Stahl |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1232813B1 (de) |
AT (1) | ATE355919T1 (de) |
DE (2) | DE10107565A1 (de) |
ES (1) | ES2280439T3 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1736259A1 (de) * | 2005-05-31 | 2006-12-27 | SMS Demag AG | Vorrichtung zum Stranggiessen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen, mit einer Strangführung |
EP1754556A2 (de) | 2005-08-20 | 2007-02-21 | SMS Demag Aktiengesellschaft | Vorrichtung für ein schnelles Verbinden oder ein schnelles Lösen von zwei grossen, schweren Bauteilen für den Hüttenwerksbetrieb, insbesondere für ein Stahl-Stranggiessmaschine |
EP1754557A1 (de) * | 2005-07-29 | 2007-02-21 | SMS Demag AG | Vorrichtung zum Stranggiessen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen, mit einer Strangführung |
DE102017220340A1 (de) | 2017-11-15 | 2019-05-16 | Sms Group Gmbh | Vorrichtung und Verfahren zum Auswechseln eines Segments einer Stranggießanlage |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1458032A1 (de) * | 1964-11-14 | 1969-09-18 | Demag Ag | Stuetzrollenanordnung an einem Stranggussgeruest |
US3735848A (en) * | 1972-03-22 | 1973-05-29 | Pittsburgh Steel Corp | Idler roll mounting construction |
DE3639611C1 (en) * | 1986-11-20 | 1988-07-14 | Voest Alpine Ag | Segment-changing device for a continuous casting installation divided into segments |
-
2001
- 2001-02-17 DE DE10107565A patent/DE10107565A1/de not_active Withdrawn
-
2002
- 2002-01-15 AT AT02000842T patent/ATE355919T1/de active
- 2002-01-15 EP EP02000842A patent/EP1232813B1/de not_active Expired - Lifetime
- 2002-01-15 DE DE50209618T patent/DE50209618D1/de not_active Expired - Lifetime
- 2002-01-15 ES ES02000842T patent/ES2280439T3/es not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1458032A1 (de) * | 1964-11-14 | 1969-09-18 | Demag Ag | Stuetzrollenanordnung an einem Stranggussgeruest |
US3735848A (en) * | 1972-03-22 | 1973-05-29 | Pittsburgh Steel Corp | Idler roll mounting construction |
DE3639611C1 (en) * | 1986-11-20 | 1988-07-14 | Voest Alpine Ag | Segment-changing device for a continuous casting installation divided into segments |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1736259A1 (de) * | 2005-05-31 | 2006-12-27 | SMS Demag AG | Vorrichtung zum Stranggiessen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen, mit einer Strangführung |
EP1754557A1 (de) * | 2005-07-29 | 2007-02-21 | SMS Demag AG | Vorrichtung zum Stranggiessen von flüssigen Metallen, insbesondere von flüssigen Stahlwerkstoffen, mit einer Strangführung |
EP1754556A2 (de) | 2005-08-20 | 2007-02-21 | SMS Demag Aktiengesellschaft | Vorrichtung für ein schnelles Verbinden oder ein schnelles Lösen von zwei grossen, schweren Bauteilen für den Hüttenwerksbetrieb, insbesondere für ein Stahl-Stranggiessmaschine |
DE102017220340A1 (de) | 2017-11-15 | 2019-05-16 | Sms Group Gmbh | Vorrichtung und Verfahren zum Auswechseln eines Segments einer Stranggießanlage |
Also Published As
Publication number | Publication date |
---|---|
ATE355919T1 (de) | 2007-03-15 |
DE50209618D1 (de) | 2007-04-19 |
ES2280439T3 (es) | 2007-09-16 |
EP1232813B1 (de) | 2007-03-07 |
DE10107565A1 (de) | 2002-08-29 |
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