EP0879106B1 - Stützrollengerüst für metall-, insbesondere stahlstranggiessanlagen - Google Patents
Stützrollengerüst für metall-, insbesondere stahlstranggiessanlagen Download PDFInfo
- Publication number
- EP0879106B1 EP0879106B1 EP97917218A EP97917218A EP0879106B1 EP 0879106 B1 EP0879106 B1 EP 0879106B1 EP 97917218 A EP97917218 A EP 97917218A EP 97917218 A EP97917218 A EP 97917218A EP 0879106 B1 EP0879106 B1 EP 0879106B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support roll
- pivot bearing
- bearing housing
- roll stand
- roll
- 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.)
- Expired - Lifetime
Links
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
Definitions
- the invention relates to a support roller frame for metal, in particular Continuous steel casting plants according to the preamble of claim 1.
- a generic support roller frame is known from DE-A 19 65 115.
- This Support roller frame is divided into straight or curved segments, with several Roles are combined on a roller carrier.
- Two roller carriers each for parallel running strand sides are on both sides next to the casting strand cross section trimmed stands attached. At least one of the roller carriers is against the others in guides of the stator by means of hydraulic piston engines provided in pairs employable.
- Both roller carriers are independent of each other expandable, for which a roller support against stops of the stand perpendicular to Strand running direction is tensioned, whereas the other adjustable roller carrier by means of a releasable traverse connecting the two stands Hydraulic piston engines is supported.
- This known support roller frame is very complex to construct, claimed there is a lot of space in the plane perpendicular to the strand running direction especially for the framework immediately downstream of the mold - also zero framework called - not suitable.
- the object of the invention is to provide a support roller frame for metal, in particular To specify continuous steel caster, which is simple in construction, little space claimed, is particularly suitable for the so-called zero framework and a long Has duration of use.
- This scaffold is also intended for a dry or wet Driving style can be used.
- the support roller frame is designed as a bending and torsionally rigid sheet welded construction, being between the cantilevered continuations of the two opposite one another Frame elements fit one side part each and is connected with expansion screws.
- two are T-shaped in cross section trained carrier arranged at a distance from the roll width.
- the respective rotary bearing housing is detachable for the Roller bearing attached.
- the sheet metal welded constructions are used to reduce the manufacturing costs the frame elements and the side parts from modular individual segments that are as similar as possible. This has the advantage that the individual elements are conceptually interchangeable. It is also because of it possible the individual segment at a different location within the Support roller frame to use.
- Inexpensive construction ensured that the individual expansion screws are identical as much as possible.
- the support roller stands are next to the forces to be transmitted, in particular by the casting powder emerging from the mold and by the the strand peeling scale in connection with the high temperatures heavily used.
- the burden of a corrosion attack is then especially high if the mold powder and the scale are in the primary cooling area applied spray water connects.
- the proposed Construction has been made to ensure that the inner surfaces of the support roller frame are as smooth and level as possible so that no dirt nests can form and on the other hand, a corrosion-resistant material such.
- B. uses a stainless steel. The flatness and smoothness of the inner surfaces will achieved by avoiding any kind of step or terrace heels and care is taken that there are no fasteners on the inner surface are located.
- the elastic duct compensates for the cooling duct.
- the advantage lies in the dirt-repellent end of the storage room, especially the roller bearings very sensitive to the ingress of dirt. So that The external seals of the rotary inlet have a long service life lid-like closure integrated a lubrication device with the outer seal communicates.
- the aforementioned releasable connection of the pivot bearing housing to the carrier can used to adjust the distance of the opposing rollers to change within a certain range of variation.
- This distance variation can also be used for curved support roller segments. In a simple way can be set different distances from the frame part so that the sequence of the tangents at the point of contact of the strand of the roles one arcuate contour with the previously defined arc radius of for example 10 m.
- Figure 1 shows a section A-B in Figure 2 through a segment of the invention Support roller stand.
- a curved segment is for a continuous caster shown.
- This segment essentially consists of an upper and a lower frame part 1, 2, which, as can be clearly seen here, are designed as a sheet metal welded construction.
- total nine pairs of rollers 3.3 '- 11.11' combined in one segment. are each three pairs of rollers, e.g. B. 3.3 '- 5.5' on a straight support section 12.12 'by means of Screws attached. Adjusting the distance of the rollers from the carrier section 12, 12 'with respect to the predetermined diameter of the sheet system takes place via Shims 13,13 ', 14,14'. Details can be found in Figure 5a.
- the upper and lower frame part 1, 2 each Breakthrough 48.49 provided. These breakthroughs, several of which are each Frame part can be arranged, on the one hand, to ensure that the scale deposited in the segment can fall out and on the other hand that Possibility to open pipes for a desired spray cooling can.
- Figure 2 shows a section C-D in Figure 1.
- the side parts 15, 16 are also designed as sheet metal welded constructions and Removable via expansion screws 17, 17 ', 18, 18' with the upper and lower frame part 1, 2 connected. So that the side parts 15, 16 can be fitted, the Frame parts 1, 2 on each side have a cantilevered extension 19, 19 ', 20, 20'.
- These smooth and flat inner surfaces 21, 22 are essential to this construction because it will cause the formation of Dirt nests is avoided. Care was taken to ensure that there were none Step or terrace heels comes and all connecting elements outside the Interior.
- the only protruding element is one on each Side element 15, 16 arranged guide plate 23, 24 around the cold start line to be able to move.
- Figure 3 shows a view in the direction X in Fig. 2.
- the is very good to recognize modular construction of the sheet metal construction of the segment.
- care was taken to ensure that the structure is as symmetrical as possible and secondly, that the fasteners z. B. the expansion screws are as identical as possible. Both mentioned points reduce procurement costs and reduce inventory for the spare parts.
- FIG. 4 shows a standard version of a side part in the same view as FIG. 3 15 '.
- this side part 15 ' is not for a special Adjusted arc segment, but is particularly as a standard part for a segment a vertical casting plant.
- the illustration clarifies even more than that Execution according to Figure 3, the symmetry of the frame parts according to the invention and the Use of identical parts if possible.
- 5a to 5c show the details of the storage of the rollers, for example the left side of the lower roller 7 'in Figure 2.
- a T-shaped extending in the transport direction of the strand trained carrier (see Figure 1) attached, here for example by welding.
- the roller pairs 6,6 '- 8,8' are arranged on this section 30 '.
- the pivot bearing housing 31 is detachably arranged on this carrier section 30 '. Between the top of the support portion 30 'and the bottom of the A bearing plate 32 can be arranged in the rotary bearing housing 31.
- this Washer 32 can on the one hand the distance of the respective pair of rollers 7,7 ' to each other and to the other the distance to the carrier section 30 'with regard to the Adjustment to the specified bend diameter can be set.
- the roller bearing 33 is arranged. Because part of the warmth of the Roll 7 'is also transferred to the rotary bearing housing 31, must protect the Rolling bearing 33, the pivot bearing housing 31 are cooled. For this is in the inner sheet of the Frame part 2, an opening 34 is provided which with a in the support portion 30 'and the pivot 35 arranged channel 35 is connected. The feed of the Cooling water to the individual channels 35 of the respective storage of the rollers takes place via a recess 36 in the carrier section 30 '.
- This channel 36 extends continuously over the individual sections 12 ', 30', 37 'of the T-shaped carrier.
- a bush 38 is arranged in order to the supply of the cooling water regardless of the thickness of the washer 32 is ensured is in a cylindrical recess of the support portion 30 ' and the rotary bearing housing 31 .
- the sealing takes place via seals 39, 39 'arranged on the outer jacket of the bush 38.
- the channel 35 has a lateral kink.
- the cooling process is now designed so that the cooling water from channel 35 around the rotary bearing housing 31 around an annular gap 40 in order to then via a further channel 41 a radially extending bore 42 to be guided. It flows from here through the rotating union 43 in the roller 7 'to cool it from the inside.
- FIG 6 shows a schematic diagram of the cooling water circuit for a roll, for example 7 '.
- the storage on the right and left is only shown schematically here.
- the cooling water enters the frame member 2 50.
- the cooling water gets into the in the way explained in Figure 5a to c Storage 51 and then flows from the inside of the roller 7 ', so that it accordingly is cooled.
- the cooling water passes through the one on the left Storage 52 again. Then the cooling water flows through the meandering Frame part 2 and exits the frame part at the opposite end 53.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
Description
- Einfache und modulartig aufgebaute Blech-Schweißkonstruktion.
- Biege- und verwindungssteifes Rahmenelement, so daß Verspannelemente nicht erforderlich sind.
- Schmutzabweisende glatte und ebene Innenflächen.
- Bei geringen Außenmaßen viel freier Innenraum zur vielfältigen Nutzung.
- Einfache und variable Befestigung der Rollen an durchlaufenden Trägern.
- Lange Nutzungsdauer durch Verwendung korrosionsbeständiger Werkstoffe.
- Geeignet für trockene und nasse Fahrweise.
- Besonders geeignet als Null-Gerüst.
- Figur 1
- einen Schnitt A-B in Figur 2 durch ein erfindungsgemäßes Segment eines Stützrollengerüstes
- Figur 2
- einen Schnitt C-D in Figur 1
- Figur 3
- eine Ansicht in Richtung X in Fig. 2
- Figur 4
- wie Figur 3 als Standardversion
- Figur 5a
- im vergrößerten Maßstab eine Ansicht des Drehlagers der Rollen
- Figur 5b
- eine Seitenansicht des Drehlagers
- Figur 5c
- einen Schnitt E-F in Fig. 5b
- Figur 6
- eine Prinzipskizze für den Kühlwasserkreislauf
Claims (8)
- Stützrollengerüst für Metall-, insbesondere Stahlstranggießanlagen, das in gerade oder gebogene Segmente mit Rollenträgern aufgeteilt ist, wobei mehrere Rollen an einem Rollenträger zusammengefaßt sind und je zwei Rollenträger für parallellaufende Strangseiten an beiderseitig neben dem Gießstrang-Querschnitt verlaufenden Halteelementen befestigt sind und die Rollen beidseitig in Drehlagergehäusen gelagert sind, die wiederum mit dem Rollenträger in Verbindung stehen,
dadurch gekennzeichnet,
daß die Rollenträger als biegesteifes Rahmenelement (1,2) in Form einer Blech-Schweißkonstruktion ausgebildet sind und beide Rahmenelemente (1,2) an jedem Ende eine auskragende Fortführung (19,19',20,20') aufweisen, zwischen denen je ein in Form einer Blech-Schweißkonstruktion ausgebildetes Seitenelement (15,16) eingepaßt und lösbar über Dehnschrauben (17,17',18,18') mit den beiden Rahmenelementen (1,2) verbunden ist und das so gebildete biege- und verwindungssteife Stützrollensegment glatte und ebene Innenflächen (21,22) aufweist und beide Rahmenelemente (1,2) mit je zwei im Abstand der Rollenbreite angeordnete T-förmig in Stranglaufrichtung sich erstreckende Träger (12,12',30,30')versehen sind, auf denen lösbar das jeweilige Drehlagergehäuse (31) befestigt ist, wobei die Blech-Schweißkonstruktion der Rahmenelemente (1,2) und der Seitenteile (15,16) modulartig aus möglichst gleichartigen Einzelsegmenten zusammengesetzt ist und die Dehnschrauben soweit als möglich identisch sind und für alle Teile des Stützrollensegmentes einschließlich der Dehnschrauben ein korrosionsbeständiger Werkstoff verwendet wird. - Stützrollengerüst nach Anspruch 1,
dadurch gekennzeichnet,
daß zur Einhängung des Stützrollensegmentes in das Traggerüst an den Seitenteilen (15,16) mindestens ein nach außen sich erstreckender Zapfen (26,26',27,27') befestigt ist. - Stützrollengerüst nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die das jeweilige Seitenteil (15,16) mit den beiden Rahmenteilen (1,2) verbindende Dehnschraube in zwei gleich lange kürzere Dehnachrauben (17,17',18,18') aufgeteilt ist. - Stützrollengerüst nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß gegebenenfalls zur Führung des Kaltanfahrstranges die Innenseite des jeweiligen Seitenteiles (15,16) mit einem in Stranglaufrichtung sich erstreckenden Führungsblech (23,24) versehen ist. - Stützrollengerüst nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß bei innengekühlten Rollen (3-11, 3'-11')die Kühlmedienzu- wie auch -abfuhr im Rahmenelement (1,2) integriert ist und das ebenfalls gekühlte Drehlagergehäuse (31) über einen im T-förmigen Träger (30,30') angeordneten Durchgang (35) mit der Kühlmedienzu- bzw. -abfuhr verbunden ist und die Kopplung der Kühlmedienführung vom feststehenden Drehlagergehäuse (31) zur sich drehenden Rolle (3-11, 3'-11') oder umgekehrt über eine an sich bekannte Dreheinführung erfolgt. - Stützrollengerüst nach Anspruch 5
dadurch gekennzeichnet,
daß am Drehlagergehäuse (31) eine Schmiereinrichtung (44) integriert ist, die mit der Außendichtung (47) in Verbindung steht. - Stützrollengerüst nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
daß der Abstand der einander gegenüberliegenden Rollen (3,3' - 11,11') bzw. der Abstand der Rolle (3-11, 3'-11') vom Rahmenteil (1,2) über ein zwischen dem T-förmigen Träger (12,12',30,30') und dem Fußbereich des Drehlagergehäuses (31) anordenbares Abstandsblech (13,13',14,14') einstellbar ist. - Stützrollengerüst nach Anspruch 7,
dadurch gekennzeichnet,
daß zur Aufrechterhaltung der Kühlmedienzu- bzw. -abfuhr im Fußbereich des Drehlagergehäuses (31) eine Buchse (38) befestigt ist, deren bis in den T-förmigen Träger (12,12'30,30') reichenden Erstreckung im Durchgang (35) des T-förmigen Trägers (12,12',30,30') abgedichtet (39,39') und verschiebbar geführt ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19606308A DE19606308C1 (de) | 1996-02-08 | 1996-02-08 | Stützrollengerüst für Metall-, insbesondere Stahlstranggießanlagen |
DE19606308 | 1996-02-08 | ||
PCT/DE1997/000238 WO1997028916A1 (de) | 1996-02-08 | 1997-01-30 | Stützrollengerüst für metall-, insbesondere stahlstranggiessanlagen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0879106A1 EP0879106A1 (de) | 1998-11-25 |
EP0879106B1 true EP0879106B1 (de) | 1999-12-22 |
Family
ID=7785921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97917218A Expired - Lifetime EP0879106B1 (de) | 1996-02-08 | 1997-01-30 | Stützrollengerüst für metall-, insbesondere stahlstranggiessanlagen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0879106B1 (de) |
DE (2) | DE19606308C1 (de) |
WO (1) | WO1997028916A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009100813A1 (de) | 2008-02-14 | 2009-08-20 | Sms Siemag Ag | Strangführung, insbesondere für eine stahlbrammen-stranggiessanlage |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19739694C1 (de) * | 1997-09-04 | 1998-12-10 | Mannesmann Ag | Stützrollengerüst für Metall-, insbesondere Stahlstranggießanlagen |
DE10044064B4 (de) * | 2000-08-31 | 2004-02-05 | Mannesmannröhren-Werke Ag | Verfahren und Vorrichtung zur Adjustierung der Maulweite eines Segmentes eines Stützrollengerüstes |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1154587A (en) * | 1965-09-14 | 1969-06-11 | United Steel Companies Ltd | Machines for Continuously Casting Metals. |
DE1965115C3 (de) * | 1969-12-27 | 1975-06-12 | Demag Ag, 4100 Duisburg | Stützrollengerüst für Metall-, insbesondere Stahlstranggießanlagen |
AT335650B (de) * | 1975-05-13 | 1977-03-25 | Voest Ag | Fur stranggiessanlagen bestimmte strangfuhrung |
FR2613003B1 (fr) * | 1987-03-25 | 1990-11-30 | Fives Cail Babcock | Dispositif de montage pour rouleau comprenant un palier refroidi |
DE4207042C1 (en) * | 1992-03-02 | 1993-09-16 | Mannesmann Ag, 40213 Duesseldorf, De | Coolant coupling for roll device - with good sealant properties provided by elastic socket feeding coolant into roll bore |
DE19511113A1 (de) * | 1995-03-25 | 1996-09-26 | Schloemann Siemag Ag | Strangführung einer Stranggießanlage für Dünnbrammen |
-
1996
- 1996-02-08 DE DE19606308A patent/DE19606308C1/de not_active Expired - Fee Related
-
1997
- 1997-01-30 EP EP97917218A patent/EP0879106B1/de not_active Expired - Lifetime
- 1997-01-30 WO PCT/DE1997/000238 patent/WO1997028916A1/de active IP Right Grant
- 1997-01-30 DE DE59700884T patent/DE59700884D1/de not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009100813A1 (de) | 2008-02-14 | 2009-08-20 | Sms Siemag Ag | Strangführung, insbesondere für eine stahlbrammen-stranggiessanlage |
DE102008009136A1 (de) | 2008-02-14 | 2009-10-15 | Sms Siemag Aktiengesellschaft | Strangführung, insbesondere für eine Stahlbrammen-Stranggießanlage |
Also Published As
Publication number | Publication date |
---|---|
EP0879106A1 (de) | 1998-11-25 |
DE59700884D1 (de) | 2000-01-27 |
DE19606308C1 (de) | 1997-04-10 |
WO1997028916A1 (de) | 1997-08-14 |
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