EP2398924A1 - Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion - Google Patents

Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion

Info

Publication number
EP2398924A1
EP2398924A1 EP10705834A EP10705834A EP2398924A1 EP 2398924 A1 EP2398924 A1 EP 2398924A1 EP 10705834 A EP10705834 A EP 10705834A EP 10705834 A EP10705834 A EP 10705834A EP 2398924 A1 EP2398924 A1 EP 2398924A1
Authority
EP
European Patent Office
Prior art keywords
carriage
taphole
working position
drill
tap hole
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
Application number
EP10705834A
Other languages
German (de)
English (en)
Other versions
EP2398924B1 (fr
Inventor
Peter Cramer
Torgils Eide
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.)
TMT Tapping Measuring Technology GmbH
Original Assignee
TMT Tapping Measuring Technology GmbH
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 TMT Tapping Measuring Technology GmbH filed Critical TMT Tapping Measuring Technology GmbH
Publication of EP2398924A1 publication Critical patent/EP2398924A1/fr
Application granted granted Critical
Publication of EP2398924B1 publication Critical patent/EP2398924B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/12—Opening or sealing the tap holes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/28—Supports; Devices for holding power-driven percussive tools in working position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B1/00—Shaft or like vertical or substantially vertical furnaces
    • F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
    • F27B1/21—Arrangements of devices for discharging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/15—Tapping equipment; Equipment for removing or retaining slag
    • F27D3/1509—Tapping equipment
    • F27D3/1527—Taphole forming equipment, e.g. boring machines, piercing tools

Definitions

  • the invention relates to a taphole drilling machine for metallurgical containers, in particular furnaces with molten content, with a movable from the rest position to the working position and vice versa movable carriage and a motorized movable drill and percussion hammer for driving and pulling out of the oven-side end of the carriage by means of a centering device guided boring bar in the filled with a sealant stitch hole or from the filled with a sealant tap hole of the container.
  • Taphole drilling machines of this type which are described in DE 41 31 982 Cl, have the disadvantage that when pulling out of the boring bar from the drilled stitch hole the furnace side end and attached to this centering device for the boring bar zoom brought into the operating position close to the stitch hole carriage are exposed to the splashes of melting out of the stitch hole melt stream, which cause a burn-up and melting of the centering device for the drill rod. This requires that the centering must be renewed at regular intervals.
  • the invention has the object of further developing the generic tap hole drilling machine to the effect that in a tapping the centering device for the boring bar at the oven-side end of the carriage so close to the tap hole of a metallurgical container, in particular Ofenabstichstein a furnace, can be positioned that an accurate centering of a large drilling tool is possible, and that further ensures effective protection of the centering device against splashing of the emerging from the stitch hole melt.
  • the subclaims include advantageous and expedient embodiments of the tap hole drilling machine.
  • the on the suspension of the carriage of the tap hole drilling machine to a support arm of a lifting device for lifting and lowering the carriage with the drill and hammer for the boring bar from the rest position to the working position and vice versa arranged drive for a linear feed movement of the carriage in the working position close to the Taphole of a metallurgical vessel, in particular a furnace, and for a linear retraction movement of the carriage from the taphole area endangered during tapping by the exiting melt allows accurate centering of the drill bit with the drill bit in the taphole when drilling it and optimal protection of the boring bar centering device at the oven-side end of the mount against splashes of melt emerging from the open stitch hole.
  • FIG. 1 and side views of the tap hole drilling machine with Fig. 2 of the working position of the carriage before the Tapping the stitch hole with the drill rod and the drill bit and with the retracted from the tap hole area position of the carriage and the drill rod,
  • Fig. 3 is a side view of a carriage carrier linearly displaceable carriage of the tap hole drilling machine
  • Fig. 4 shows a cross section along line IV-IV of Fig. 3 each in an enlarged view.
  • the tap hole drilling machine according to FIGS. 1 to 4 has a carriage 1, which can be lowered and lowered by means of a lifting device from the rest position to a prepositioned working position with a predetermined distance of the furnace-side end 2 with respect to the stitch hole 3 of a furnace 5 filled with a sealing compound 4 the prepositioned working position in the rest position can be raised.
  • a hammer drill 6 for driving a drill rod 7 with a drill bit 8 by means of a feed and retraction drive, which is designed as a circumferential, driven by a hydraulic motor 9 chain 10, from an oven remote end position in a furnace near end position and vice versa traversable.
  • a centering device 11 is attached, which is designed as a plate 12 with a centering bore 13 for the boring bar 7 of the drilling and percussion hammer 6.
  • slidable drill guide 14 On the carriage 1 further in the direction of movement a, b of the drill rod 7 slidable drill guide 14 is arranged to secure the drill rod against buckling due to the large feed forces when driving into the needle hole 3 through the drive chain 10th
  • the lifting device for the carriage 1 is with a support arm
  • a drive for the movable on the support frame 16 carriage 18 with the carrier 20 for the carriage 1 is a by a pressure medium, preferably hydraulic oil, operated cylinder piston unit 22, the cylindrical housing 23 is mounted on the support frame 16 of the taphole drilling machine and the piston rod 24th on the transfer carriage 18 of the carriage 1 attacks.
  • a pressure medium preferably hydraulic oil, operated cylinder piston unit 22
  • the drilling and percussion hammer 6 is in the off-end position 6a.
  • the force required to drive the drill rod 7 into the needle hole 3 of the furnace 5, generated by the hydraulic motor 9 feed force is transmitted from the drive chain 10 via the drill and percussion hammer 6 on the drill rod 7.
  • the impact mechanism of the hammer drill 6 can be switched on at any time of the advancing movement of the drill rod 7 in support of the driving operation.
  • the carriage 1 by the cylinder-piston unit 22 from the stitch-working position Ia in a retracted position Ib with a simultaneous feed movement of the boring bar 7 in the tap hole 3 to protect the oven-side Lafettenendes 2 and the centering device 11 against the emerging upon opening of the stitch hole from this melt 21 moves back.
  • the carriage 1 is advanced from the retracted position Ib by means of the cylinder-piston unit 22 back into the working position Ia.
  • the retraction force required to pull out the drill rod 7 from the needle hole 3 of the furnace 5 is applied by the hydraulic motor 9 and transmitted via the drive chain 10 to the hammer drill 6 and the drill rod 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Blast Furnaces (AREA)

Abstract

L'invention concerne une machine de perçage de trous de coulée, avec un affût (1) qui peut être déplacé par un mécanisme de levage entre une position de repos et une position préliminaire de travail, et inversement, et avec un marteau de perçage et de percussion (6) pouvant être déplacé sur l'affût par un moteur, afin d'enfoncer et d'extraire une tige de forage (7), guidée par un dispositif de centrage (11) à l'extrémité côté four (2) de l'affût (1), respectivement dans le et hors du trou de coulée (3) rempli d'une masse d'obturation (4) d'un four (5). La machine de perçage de trous de coulée est équipée d'un entraînement disposé sur sa suspension à une ossature (16) du mécanisme de levage, pour effectuer un mouvement linéaire d'avance de l'affût (1), entre une position préliminaire et une position finale de travail (1a) définie par une distance (A) entre le dispositif de centrage (11) et le trou de coulée (3) et un mouvement de recul de l'affût (1), à partir d'une certaine profondeur de pénétration de la tige de forage (7) dans la masse d'obturation (4) du trou de coulée (3), entre la position de travail (1a) et une position de recul, tout en effectuant un mouvement simultané d'avance de la tige de forage (7) dans le trou de coulée (3) afin de protéger l'extrémité côté four (2) de l'affût et le dispositif de centrage (11) contre la masse en fusion sortant du trou de coulée (3) au moment de son ouverture, ainsi qu'un mouvement d'avance de l'affût (1) entre la position de recul et la position de travail (1a) pour une nouvelle opération de percement.
EP10705834A 2009-02-18 2010-02-04 Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion Not-in-force EP2398924B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910009537 DE102009009537A1 (de) 2009-02-18 2009-02-18 Stichlochbohrmaschine für metallurgische Behälter, insbesondere Öfen mit schmelzflüssigem Inhalt
PCT/EP2010/051338 WO2010094571A1 (fr) 2009-02-18 2010-02-04 Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion

Publications (2)

Publication Number Publication Date
EP2398924A1 true EP2398924A1 (fr) 2011-12-28
EP2398924B1 EP2398924B1 (fr) 2013-04-03

Family

ID=42102047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10705834A Not-in-force EP2398924B1 (fr) 2009-02-18 2010-02-04 Machine de perçage de trous de coulée pour contenants métalliques, en particulier fours renfermant un contenu en fusion

Country Status (5)

Country Link
EP (1) EP2398924B1 (fr)
CN (1) CN102317477B (fr)
DE (1) DE102009009537A1 (fr)
WO (1) WO2010094571A1 (fr)
ZA (1) ZA201105969B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2415881B1 (fr) * 2010-08-04 2013-12-25 TMT Tapping-Measuring-Technology GmbH Dispositif de retenue pour une tige de forage d'une foreuse à trou de coulée et procédé d'enlèvement d'une tige de forage
EP2514843B1 (fr) * 2011-04-20 2013-09-25 TMT -BBG Research und Development GmbH Dispositif de raccordement pour un outil de forage et de percussion d'une foreuse à trou de coulée et foreuse à trou de coulée dotée d'un dispositif de raccordement
CN104677115B (zh) * 2015-03-16 2016-05-25 上海耀秦冶金设备技术有限公司 双行程式电石炉出炉机
CN106352706B (zh) * 2016-10-31 2018-09-18 中钢集团西安重机有限公司 一种开口机用垂直调整装置
CN112662828B (zh) * 2020-12-09 2022-05-17 本钢板材股份有限公司 一种液压开铁口机

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4431171A (en) * 1982-03-04 1984-02-14 Bailey Industrial Products, Inc. Apparatus for opening the tap hole of a metallurgical furnace
LU84855A1 (fr) * 1983-06-08 1985-03-29 Wurth Paul Sa Machine de percage d'un trou de coulee de four a cuve
DE4131982C2 (de) * 1991-09-26 1995-04-06 Dango & Dienenthal Maschbau Stichlochbohrmaschine für metallurgische Behälter, insbesondere Hochöfen
ATE140980T1 (de) * 1991-10-31 1996-08-15 Wurth Paul Sa Schachtofen-abstichlochbohrer
LU88059A1 (fr) * 1992-01-27 1993-08-17 Paul Wurth S.A. Machine de percage d'un trou de coulee d'un four a cuve
CN2163175Y (zh) * 1993-07-01 1994-04-27 中南工业大学 残铁开口机
CN2206297Y (zh) * 1994-09-05 1995-08-30 冶金工业部北京钢铁设计研究总院 一种开铁口机
DE19630078C2 (de) * 1996-07-26 2003-03-27 Dango & Dienenthal Maschbau Hubvorrichtung für Stichloch-Bohrmaschinen
CN2409212Y (zh) * 2000-02-24 2000-12-06 冶金工业部北京钢铁设计研究总院 一种开铁口机

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010094571A1 *

Also Published As

Publication number Publication date
CN102317477A (zh) 2012-01-11
DE102009009537A1 (de) 2010-08-26
CN102317477B (zh) 2014-03-05
EP2398924B1 (fr) 2013-04-03
WO2010094571A1 (fr) 2010-08-26
ZA201105969B (en) 2014-01-29

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