US3895786A - Tiltable converter - Google Patents

Tiltable converter Download PDF

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Publication number
US3895786A
US3895786A US485296A US48529674A US3895786A US 3895786 A US3895786 A US 3895786A US 485296 A US485296 A US 485296A US 48529674 A US48529674 A US 48529674A US 3895786 A US3895786 A US 3895786A
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US
United States
Prior art keywords
supporting
converter
carrying ring
trunnions
set forth
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
Application number
US485296A
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English (en)
Inventor
Manfred Eysn
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.)
Voestalpine AG
Original Assignee
Voestalpine AG
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 Voestalpine AG filed Critical Voestalpine AG
Application granted granted Critical
Publication of US3895786A publication Critical patent/US3895786A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/42—Constructional features of converters
    • C21C5/46—Details or accessories
    • C21C5/50—Tilting mechanisms for converters

Definitions

  • Supporting disks assigned to the supporting trunnions, engage in bearing eyes, secured to the converter casing, and are axially movable by means of shifting devices. penetrating the bores of the supporting trunnions.
  • Each supporting disk is capable of being connected by means of a quickly detachable connecting means with the pertaining shifting device, through the operation of which the supporting disk is while maintaining its engagement in the bearing eye engageable and disengageable with a cylindrical or inclined conical seating. arranged at the supporting trunnion. It is the object of the invention to provide a homogeneous construction of the carrying ring, without large recesses having to be provided for the reception of the supporting disks.
  • the supporting forces are to be introduced direct into the supporting trunnions without the detour via the carrying ring.
  • the invention relates to a tiltable converter, which, by means of supporting elements, accommodating supportingand tilting forces is borne on a carrying ring of preferably box-shaped profile, said carrying ring being provided with two hollow supporting trunnions lying opposite each other, wherein supporting disks assigned to the supporting trunnions engage in bearing eyes, se cured to the converter casing and are axially movable by means of shifting devices running through the bores of the supporting trunnions.
  • the invention aims at avoiding the aforementioned disadvantages and it is its object to provide in a supporting-disk suspension a so to speak homogeneous construction of the carrying ring, without big recesses for receiving the supporting disks being necessary.
  • the supporting forces are to be introduced direct into the two supporting trunnions without the detour via the carrying ring and in spite of a distance as small as possible between converter casing and carrying ring a path as long as possible for radial displacement of these construction units against each other, caused by heat effects, should be maintained.
  • each supporting disk is capable of being connected by a quickly detachable connecting means, as e.g. a bayonet catch or a coupling, with the pertaining shifting device, through the operation of which the supporting disk while maintaining its engagement in the bearing eye is engageable and disengageable with a cylindrical or inclined, conical seating, provided at the supporting trunnion.
  • a quickly detachable connecting means as e.g. a bayonet catch or a coupling
  • FIG. 1 is a vertical section through the supportingdisk suspension on the right-hand side of the converter, which side is, in this case, the fixed-bearing side.
  • FIG. 2 is a section along line 11-11 of FIG. 1,
  • FIG. 3 is a section along line IIIIII of FIG. 1,
  • FIG. 4 is a section along line IVIV of FIG. 1, and
  • FIG. 5 is a section along line VV of FIG. 1.
  • FIGS. 6a, 6b, 6c, 6d and 6e are schematic illustrations of the process for removing the converter vessel from its carrying ring.
  • FIG. 7 is an illustration similar to FIG. 1, yet for another embodiment.
  • the converter casing is denoted with l, to which by means of ribs 2 a bearing eye 3 is secured, into which a supporting disk 5 engages with peripheral play 4 (FIG. 2).
  • a bayonet catch 6 or an other easily detachable mechanic coupling the supporting disk 5 is connected with a pull rod 7, which is part of a shifting device and by turning the pull rod or by detaching the coupling the supporting disk 5 can easily be separated from the pull rod 7.
  • the supporting disk 5 engages into a conical or also cylindrical seat, wherein it is annularly surrounded by a seating 8 of the hollow supporting trunnion 9.
  • the supporting trunnion 9 penetrates the carrying ring 10 and on the inner side of the carrying ring the supporting trunnion projects slightly towards the converter casing.
  • the conical seating, illustrated in FIG. 1, is inclined towards the center of the converter.
  • the supporting disk 5 is tightened fast against the supporting trunnion 9 by means of the pull rod 7, so that the supporting forces of the converter are at this point introduced direct into the supporting trunnion.
  • the supporting bearing is denoted with 11.
  • the left-hand side of the supporting-disk suspension of the converter is constructed analogously.
  • a further supporting device accommodating tilting forces, is provided between the converter casing 1 and the carrying ring 10.
  • the tilting drive is secured to the supporting trunnion 9.
  • the center line of the drive pinion is denoted with 12. 13 denotes lateral stops secured to the carrying ring 10 and 14 is a pin at the supporting disk 5, said stops and said pin constituting a safety against distortion (FIGS. 2, 3) 15 is a similar stop, secured to the converter casing l, which stop cooperates with a recess 16 on the inner side of the supporting disk 5, when as will be described later on the supporting disk 5 is shifted towards the converter casing 1 and is separated from the pull rod 7.
  • guide disks 17 within the supporting trunnion 9 are provided.
  • the hydraulic lifting cylinder 26 is designed for a carrying capacity (tension) of 400 metric tons and a lifting height of about 50 mm, while the lifting device 7, 19, 20, 21, 22, together with the cage 25 and the hydraulic lifting cylinder 26, are shiftable by 170 mm to the left into the final position of the supporting disk 5 at the converter casing 1 (FIG. 6b) and are then retractable by 420 mm into an original position (FIG. 6d).
  • 27 denotes a pressure-means conduit connectable with a hand pump 28 for the hydraulic lifting cylinder 26.
  • the shifting device For detaching the connection between the supporting disk 5 and the pull rod 7, the shifting device as a whole has to be turned about its axis by whereupon another pair of claws 30, 31 at the cage 25 engages with the spindles 19, 20 (FIG. 5).
  • 32 is the clearance profile in FIG. 1, Le. the limitation between the foundations, within which the converter may be lifted and lowered; the supporting disk 5 has to bridge the distance between the seating 8 and the bearing eye 3 and always has to stay in engagement therewith.
  • FIGS. 6a to 66 The functioning of the supporting-disk suspension of the invention is schematically illustrated in FIGS. 6a to 66.
  • FIG. 6a shows the original position prior to the removal of the converter.
  • This position is identical with the illustration in FIG. 1, i.e. the supporting disk 5 is pressed towards the seating 8 by the cylinder 26, the cylinder 26 being supported by the detachable crosshead 18 and this, in turn, being supported by the front surface 29 of the supporting trunnion 9.
  • a sufficiently big distance between the carrying disk 5 and the converter casing 1 is present; in this embodiment this distance measures I mm and serves, just the same as the distance between the carrying ring 10, for accommodating heat expansions.
  • the bearing eye 3 is eg 220 mm wide and the outer surface of the supporting disk 5 has at its upper end a width of 340 mm.
  • FIG. 6d shows the supporting disk 5' remaining in the bearing eye 3 and the shifting device 7", 25", 26" retracted beyond the clearance profile 32, so that the converter may be lowered (FIG. 62), the position of the converter casing being denoted with 1.
  • the supporting disk 5 with its ring 33 lies upon the seating 8' of a conical bushing 34.
  • This bushing 34 is part of the supporting trunnion 35, which is, on the one hand, secured by screws to the outer wall 37 of the carrying ring 10' and is, on the other hand, connected form-locking with the bushing 34; the bushing 34 serves in a way as prolongation of the supporting trunnion 35 and by this bushing the supporting force is introduced direct into the supporting trunnion 35.
  • a tiltable converter comprising a converter casing
  • a carrying ring having two hollow supporting trunnions provided with bores, the supporting trunnions lying opposite each other, on which carrying ring the converter is borne by means of said supporting elements,
  • each supporting disk being connectable by a quickly detachable connecting means with the pertaining shifting device and a seating provided at the supporting trunnion, with which the carrying disk is engageable and disengageable by operating the shifting device, while maintaining the engagement of the supporting disk in the bearing eye.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
US485296A 1973-07-12 1974-07-02 Tiltable converter Expired - Lifetime US3895786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT613173A AT336658B (de) 1973-07-12 1973-07-12 Kippbarer konverter

Publications (1)

Publication Number Publication Date
US3895786A true US3895786A (en) 1975-07-22

Family

ID=3583185

Family Applications (1)

Application Number Title Priority Date Filing Date
US485296A Expired - Lifetime US3895786A (en) 1973-07-12 1974-07-02 Tiltable converter

Country Status (18)

Country Link
US (1) US3895786A (fr)
JP (1) JPS5228724B2 (fr)
AR (1) AR198727A1 (fr)
AT (1) AT336658B (fr)
BE (1) BE811363A (fr)
BR (1) BR7405703D0 (fr)
CA (1) CA1007853A (fr)
CS (1) CS188186B2 (fr)
DE (1) DE2432908C3 (fr)
FR (1) FR2236943B1 (fr)
GB (1) GB1471605A (fr)
IN (1) IN139836B (fr)
IT (1) IT1013051B (fr)
LU (1) LU70500A1 (fr)
NO (1) NO135479C (fr)
SE (1) SE7400778L (fr)
SU (1) SU506304A3 (fr)
ZA (1) ZA744051B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090111346A1 (en) * 2005-11-08 2009-04-30 Ingo Kufferath-Kassner Woven Fabric Comprising Weft Wires
US20150102539A1 (en) * 2012-05-30 2015-04-16 Uvan Holding Ab Tilting mechanism for a vessel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5557586U (fr) * 1978-10-16 1980-04-18
FR2627510B1 (fr) * 1988-02-19 1990-08-10 Clecim Sa Convertisseur d'elaboration de metal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635458A (en) * 1968-10-15 1972-01-18 Voest Ag Tiltable crucible or converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3635458A (en) * 1968-10-15 1972-01-18 Voest Ag Tiltable crucible or converter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090111346A1 (en) * 2005-11-08 2009-04-30 Ingo Kufferath-Kassner Woven Fabric Comprising Weft Wires
US8056586B2 (en) 2005-11-08 2011-11-15 Gkd-Gebr. Kufferath Ag Woven fabric comprising weft wires
US8726479B2 (en) 2005-11-08 2014-05-20 GKD—Gebr. Kufferath AG Woven fabric comprising weft wires
US20150102539A1 (en) * 2012-05-30 2015-04-16 Uvan Holding Ab Tilting mechanism for a vessel
US9840746B2 (en) * 2012-05-30 2017-12-12 Uvan Holding Ab Tilting mechanism for a vessel

Also Published As

Publication number Publication date
IN139836B (fr) 1976-08-07
FR2236943A1 (fr) 1975-02-07
FR2236943B1 (fr) 1976-12-17
AT336658B (de) 1977-05-25
DE2432908A1 (de) 1975-01-30
NO135479C (fr) 1977-04-13
JPS5228724B2 (fr) 1977-07-28
DE2432908C3 (de) 1979-03-08
JPS5050206A (fr) 1975-05-06
NO135479B (fr) 1977-01-03
SU506304A3 (ru) 1976-03-05
DE2432908B2 (de) 1978-07-06
BR7405703D0 (pt) 1975-05-20
CS188186B2 (en) 1979-02-28
LU70500A1 (fr) 1974-11-28
NO742531L (fr) 1975-02-10
CA1007853A (en) 1977-04-05
SE7400778L (sv) 1975-01-13
BE811363A (fr) 1974-06-17
IT1013051B (it) 1977-03-30
ATA613173A (de) 1976-09-15
AR198727A1 (es) 1974-07-15
GB1471605A (en) 1977-04-27
ZA744051B (en) 1975-07-30

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