EP0098210B1 - Dispositif pour la mise en place et le démontage des cages de rouleaux de guidage dans une installation de coulée continue courbe - Google Patents

Dispositif pour la mise en place et le démontage des cages de rouleaux de guidage dans une installation de coulée continue courbe Download PDF

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Publication number
EP0098210B1
EP0098210B1 EP83401293A EP83401293A EP0098210B1 EP 0098210 B1 EP0098210 B1 EP 0098210B1 EP 83401293 A EP83401293 A EP 83401293A EP 83401293 A EP83401293 A EP 83401293A EP 0098210 B1 EP0098210 B1 EP 0098210B1
Authority
EP
European Patent Office
Prior art keywords
rails
frame
rollers
guide
support
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
Application number
EP83401293A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0098210A1 (fr
Inventor
Joseph Pietryka
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.)
Fives Cail Babcock SA
Original Assignee
Fives Cail Babcock SA
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 Fives Cail Babcock SA filed Critical Fives Cail Babcock SA
Priority to AT83401293T priority Critical patent/ATE15457T1/de
Publication of EP0098210A1 publication Critical patent/EP0098210A1/fr
Application granted granted Critical
Publication of EP0098210B1 publication Critical patent/EP0098210B1/fr
Expired legal-status Critical Current

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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 cast product is guided at the outlet of the mold by two parallel rows of rollers.
  • the guide device has been divided into segments, each segment or cage being formed from a frame carrying several rollers from each row and fixed to a supporting frame.
  • Different means have been proposed for setting up the cages on the carrying frame and for dismantling them.
  • the present invention relates to curved continuous casting installations in which these means consist of two fixed rails arranged radially, on either side of each cage, the sides of which are provided with rollers engaged in these rails, and a device for lifting to move the cages along the rails (DE-A-1 957 690).
  • a first solution consists in dismantling the cages by moving them outwards, that is to say by moving away from the center of curvature of the installation (EP-A- 0 016 748).
  • This solution is expensive because it requires a support frame of complicated construction and the rails occupy an important place at the rear of the machine.
  • Another solution is to mount one of the end rollers of the outer row of each cage so that it can be removed on site to allow the cage to be removed (EP-A-0 015 892). This solution complicates the replacement of the segments since it is necessary to disassemble the removable roller in order to be able to remove the cage, and, after the installation of a new cage, fix this roller on the latter.
  • the present invention proposes to provide a simple solution to this problem allowing easy and rapid replacement of the cages.
  • the device which is the subject of the invention is characterized in that the rails for removing the cages each comprise at least one portion inclined with respect to the general radial direction of the rail and situated so as to cause, during the movement of a cage on these rails, a tilting of the cage to place it at an angle and allow it to cross in this position the passage limited by the extreme rollers of the inner row of the two cages adjacent to the dismantled cage.
  • each rail will have two portions inclined in opposite directions and cooperating respectively with the inner and outer rollers of the cage to cause the latter to tilt.
  • the continuous casting installation shown in Figure 1 comprises a support frame 10 consisting of curved beams of large section resting on supports allowing their expansion.
  • the chassis 10 supports the ingot mold 12 and the device for guiding the cast product consisting of two parallel rows of horizontal rollers defining between them a curved passage for the cast product.
  • the row closest to the center of curvature of the installation and therefore having the smallest radius of curvature is called the interior row; the other row with the greatest radius of curvature is called the outer row.
  • This guide device is formed by several segments which can be dismantled and replaced individually.
  • the upper segment 14 can be removed from above, by means of an overhead crane, after removing the mold.
  • each of them there are provided, on each side of each of them, guide rails 18 arranged radially, that is to say in a direction parallel to the radii of the arc of a circle that constitutes the axis of the passage defined by the two rows of rollers. Rollers 20 mounted on the sides of the segments are engaged in these rails which generally have a U-shaped section, and a winch 22 carried by a carriage 24 movable on a raised raceway makes it possible to disassemble the segments by moving them along the rails 18.
  • the rails 18 are connected to vertical rails 18 'and the carriage 24 is also provided with vertical rails 26 which can be brought into alignment with any one of the rails 18'.
  • the dismantled segment can thus be easily transferred to the trolley and transported by it to the repair workshop tion and maintenance and a new segment can also easily be implemented.
  • the segments In the installation shown in FIG. 1, the segments have a substantially rectangular section and can be disassembled without problem by moving them radially along the rails 18.
  • Each rail 18, the general direction of which is that of a radius of the arc of a circle of center 0 constituting the axis of the passage delimited by the two rows of rollers, comprises, moving from the chassis 10 towards the center 0, a first radial portion ab, a portion inclined to the left bc, a portion inclined to the right cd, a second radial portion of, a portion inclined to the right ef, a portion inclined to the left fg and a third radial portion gh; the successive portions are connected together by curved portions of sufficient radius to allow the rollers 20 to roll on the rails.
  • the successive positions of the segment during disassembly are shown in FIG. 2.
  • the successive positions of the outer and inner rollers are indicated at A, B, C, D and A ', B', C ', D', respectively.
  • the length, the inclination and the position along the rails 18 of the inclined portions b-c and e-f depend on the dimensions X and Y and on the spacing between the two rows of rollers; they can be straight or curved. In some cases, it may be sufficient to provide a single inclined portion b-c or e-f.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Piles And Underground Anchors (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Bearings For Parts Moving Linearly (AREA)
EP83401293A 1982-06-29 1983-06-22 Dispositif pour la mise en place et le démontage des cages de rouleaux de guidage dans une installation de coulée continue courbe Expired EP0098210B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83401293T ATE15457T1 (de) 1982-06-29 1983-06-22 Vorrichtung zur aufstellung und zum austausch von stuetzrollengeruesten in einer bogenstranggiessanlage.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8211352A FR2529118A1 (fr) 1982-06-29 1982-06-29 Dispositif pour la mise en place et le demontage des cages de rouleaux de guidage dans une installation de coulee continue courbe
FR8211352 1982-06-29

Publications (2)

Publication Number Publication Date
EP0098210A1 EP0098210A1 (fr) 1984-01-11
EP0098210B1 true EP0098210B1 (fr) 1985-09-11

Family

ID=9275498

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83401293A Expired EP0098210B1 (fr) 1982-06-29 1983-06-22 Dispositif pour la mise en place et le démontage des cages de rouleaux de guidage dans une installation de coulée continue courbe

Country Status (6)

Country Link
US (1) US4524818A (enrdf_load_stackoverflow)
EP (1) EP0098210B1 (enrdf_load_stackoverflow)
JP (1) JPS5910457A (enrdf_load_stackoverflow)
AT (1) ATE15457T1 (enrdf_load_stackoverflow)
DE (1) DE3360791D1 (enrdf_load_stackoverflow)
FR (1) FR2529118A1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604108A1 (fr) * 1986-09-23 1988-03-25 Fives Cail Babcock Dispositif et procede pour mettre en place et enlever les cages de rouleaux dans une installation de coulee continue courbe
AU2005223472B2 (en) * 2004-03-19 2011-10-27 Pvaxx Research And Development Limited Load-carrying apparatus and methods of manufacture
ITUD20070047A1 (it) * 2007-03-02 2008-09-03 Danieli Off Mecc Struttura portante per macchina di colata continua

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1957690A1 (de) * 1969-11-17 1971-05-27 Demag Ag Vorrichtung zum Ein- oder Ausbau von Stuetzrahmen fuer Metall-,insbesondere Stahlstraenge in Stranggiessanlagen
AT344344B (de) * 1974-05-28 1978-07-10 Mannesmann Ag Stuetz- und fuehrungsgeruest fuer eine bogenstranggiessanlage mit auswechselbaren stuetzsegmenten
AT359226B (de) * 1979-03-07 1980-10-27 Voest Alpine Ag Stuetz- und fuehrungsgeruest fuer eine bogen- stranggiessanlage
AT359675B (de) * 1979-03-07 1980-11-25 Voest Alpine Ag Stuetz- und fuehrungsgeruest fuer eine bogen- stranggiessanlage

Also Published As

Publication number Publication date
ATE15457T1 (de) 1985-09-15
JPS5910457A (ja) 1984-01-19
US4524818A (en) 1985-06-25
FR2529118B1 (enrdf_load_stackoverflow) 1985-03-15
DE3360791D1 (en) 1985-10-17
EP0098210A1 (fr) 1984-01-11
FR2529118A1 (fr) 1983-12-30

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