EP2568245A1 - Device for supplying flushing media to a hammer drill - Google Patents

Device for supplying flushing media to a hammer drill Download PDF

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Publication number
EP2568245A1
EP2568245A1 EP12181514A EP12181514A EP2568245A1 EP 2568245 A1 EP2568245 A1 EP 2568245A1 EP 12181514 A EP12181514 A EP 12181514A EP 12181514 A EP12181514 A EP 12181514A EP 2568245 A1 EP2568245 A1 EP 2568245A1
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EP
European Patent Office
Prior art keywords
housing
flushing medium
supply
holding part
drilling tool
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
EP12181514A
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German (de)
French (fr)
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EP2568245B1 (en
Inventor
Michael Wolfsberger
Romain Clesen
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TMT-BBG RESEARCH und DEVELOPMENT GmbH
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TMT -BBG Research und Development GmbH
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Priority to PL12181514T priority Critical patent/PL2568245T3/en
Publication of EP2568245A1 publication Critical patent/EP2568245A1/en
Application granted granted Critical
Publication of EP2568245B1 publication Critical patent/EP2568245B1/en
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    • 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • 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

Definitions

  • the invention relates to a device for supplying a flushing medium to the tool of a hammer drill, in particular to a tool of a taphole drill on the blast furnace, consisting essentially of a rotatable and / or axially displaceable drilling tool holding means with at least one supply channel for the flushing medium, a with the holding means cooperating transmission part, a housing and a Zuleitsch and holding part with a flushing medium inlet.
  • Rotary hammers with a drilling tool in heavy impact and optionally rotational operation in particular for the open position of tap holes of metallurgical vessels, usually require a supply of detergent to the work area of the tool to discharge cuttings from the well and, where appropriate, to cool the tool cutting.
  • the at least one axially extending detergent channel having drilling tool is set in a drilling tool holding means or adapter, which or which is displaceably mounted in a housing and within limits.
  • a supply of a flushing medium can be effected by means of lines or recesses from the housing in the drilling tool holding means, between these parts seals prevent leakage of the medium.
  • the invention has the object to overcome the disadvantages of the prior art and to provide a means for supplying a flushing medium to the tool of a hammer drill, in particular to a tool of a tap hole drilling machine on a metallurgical vessel of the type mentioned, which is a low wear has in the hard drilling operation and essentially at the same time make it necessary to change the bearing bushes between Bohrwerkmaschine-holding means and housing and a change of the seals in the supply path for the detergent.
  • a substantially asymmetrically shaped supply line and the associated holding part form a preferably non-detachably connected component, wherein the supply means on both sides respectively distal sliding bearing, in particular guide bands and seals for Bohrtechnikmaschine-holding means out and that Holding part relative to the housing and / or a fixing ring connected to this radially in limits displaced by bending, but is fixed tangentially positively.
  • the advantages achieved with the supply line and the associated holding part according to the invention are essentially due to the fact that it is radially movable within limits as a so-called “floating" supply line or supply element, which can be sealingly applied to the drilling tool holding means, and a Guided by the housing alone in the direction of rotation form fit.
  • the drilling tool holding means can be limited in radial wear when the bearings wear out Execute displacement in the housing, wherein the component, supply means with holding part, although secured against rotation, but can follow a displacement of the drilling tool holding means.
  • the radially displaceable component formed from supply means for the flushing medium and holding part, axially adjacent to the bearing bush, defined by a spacer, is positioned and after releasing the fixing ring from the housing of this with the component the supply means including guide straps and seals and the bearing bush with spacer element are extendable.
  • Such can be made in a simple and economical way at a substantially simultaneous wear of the bearing and sealing elements in the short term repair.
  • the seals and guide bands of the supply medium for the flushing medium and the bearing bush for the drilling tool holding means in the housing are exchangeable, with no additional components to disassemble and assemble, whereby the required repair time of the hammer drill is reduced efficiently.
  • a reference list is intended to facilitate an association of the functional means and parts in the representation.
  • Fig. 1 shows in section a device according to the invention, wherein above the center line, the drilling tool holding means is shown in the advanced position and below the center line in the reset position.
  • a drilling tool adhesive 1 has a receiving area for a tool with flushing channel in the distal projecting area.
  • Centrally located in the base region of a tool holder from the holding means 1 is a hollow, which forms by means of an oblique bore to the outside a supply channel 11 for a flushing medium.
  • a drilling tool holding means 1 is intermittently and optionally rotated by a transmission part 2 and has work related, based on a housing 3, an advanced and a reset position.
  • a supply means 4 has an axsymmetrische radial recess with a length which at least a distance between the advanced and recovered position of the drilling tool holding means. 1 equivalent.
  • a supply line 4 is connected to a holding part 5 fixed to a component 4,5, wherein in the holding part 5, a flushing medium inlet 51 is connected to the radial recess in the supply line 4.
  • Sliding bearings or guide belts 41, 41 'and seals 42, 42' are arranged toward the drilling tool holding means 1 on both sides of a radial recess in the supply line 4.
  • a loose guide is such that in the radial direction, the component is displaceable 4.5, but tangentially a planar or similar stop prevents rotation of the element, so that the supply means 4, so to speak, "floating" on Bohrwerkmaschine-holding means 1 follows its radial displacement.
  • the bearing bush 6 in the housing 3 for the drilling tool holding means 1, defined by a spacer 61 and a supply means 4 for a flushing medium, are positioned axially adjacent, as can be seen from Fig. 1 is easily removed, after loosening a fixing ring 31 in a simple way in a repair of the hammer after discharge of the Bohrwerkmaschinemaschinemitels 1 the supply means 4 and the bearing bush 6 with the spacer 61 deducted and serviced parts are introduced into the housing 3 again.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Drilling And Boring (AREA)
  • Blast Furnaces (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

The device has rotatable and axially displaceable drilling tool holder (1) with supply channel for rinsing medium. A feeder (4) is structured and shaped essentially in axially symmetrical manner, and holding portion (5) with rinsing medium inlet (51). The feeder and holding portion are arranged as connected component and friction bearings (41,41) are arranged on sides of feeder towards holder. The holding portion is structured to be radially displaceable within limits via bending with respect to housing and a fixing ring is connected to the housing and is fixed tangentially.

Description

Die Erfindung bezieht sich auf eine Einrichtung zur Zuführung eines Spülmediums zum Werkzeug eines Bohrhammers, insbesondere zu einem Werkzeug einer Stichloch-Bohrmaschine am Hochofen, bestehend im Wesentlichen aus einem drehbaren und/oder axial verschiebbaren Bohrwerkzeug-Haltemittel mit mindestens einem Zuführungskanal für das Spülmedium, einem mit dem Haltemittel zusammenwirkenden Übertragungsteil, einem Gehäuse und einem Zuleitmittel sowie Halteteil mit einem Spülmedium-Einlass.The invention relates to a device for supplying a flushing medium to the tool of a hammer drill, in particular to a tool of a taphole drill on the blast furnace, consisting essentially of a rotatable and / or axially displaceable drilling tool holding means with at least one supply channel for the flushing medium, a with the holding means cooperating transmission part, a housing and a Zuleitmittel and holding part with a flushing medium inlet.

Bohrhämmer mit einem Bohrwerkzeug im schweren Schlag- und gegebenenfalls Rotationsbetrieb, insbesondere zur Offenstellung von Abstichöffnungen von metallurgischen Gefäßen, erfordern zumeist eine Zuführung eines Spülmittels zum Arbeitsbereich des Werkzeuges, um Bohrklein aus dem Bohrloch auszutragen und gegebenenfalls die Werkzeugschneiden zu kühlen.Rotary hammers with a drilling tool in heavy impact and optionally rotational operation, in particular for the open position of tap holes of metallurgical vessels, usually require a supply of detergent to the work area of the tool to discharge cuttings from the well and, where appropriate, to cool the tool cutting.

Generell ist dabei das zumindest einen axial verlaufenden Spülmittelkanal aufweisende Bohrwerkzeug in einem Bohrwerkzeug-Haltemittel oder Adapter festgelegt, welches bzw. welche in einem Gehäuse in Grenzen verschieb- und drehbar gelagert ist.In general, the at least one axially extending detergent channel having drilling tool is set in a drilling tool holding means or adapter, which or which is displaceably mounted in a housing and within limits.

Eine Zuführung eines Spülmediums kann dabei mittels Leitungen bzw. Ausnehmungen vom Gehäuse in das Bohrwerkzeug-Haltemittel erfolgen, wobei zwischen diesen Teilen Dichtungen ein Austreten des Mediums verhindern.A supply of a flushing medium can be effected by means of lines or recesses from the housing in the drilling tool holding means, between these parts seals prevent leakage of the medium.

Eine derartige Spülmittelführung zum Werkzeug hin hat jedoch den Nachteil, dass bei einem maßvollen Verschleiß der Lagerstellen zwischen Bohrwerkzeug-Haltemittel und Gehäuse des Hammers, der zwar einen weiteren störungsfreien Hammerbetrieb ermöglichte, eine Reparatur aufgrund von Dichtproblemen vorzunehmen ist.However, such a dishwashing liquid guide to the tool has the disadvantage that at a moderate wear of the bearings between Bohrwerkzeug-holding means and the housing of the hammer, which indeed enabled a further trouble-free hammer operation, a repair is due to sealing problems.

Es wurde schon versucht, an einem in Axrichtung verlängerten Bohrwerkzeug-Haltemittel ein eigenes Zuleitungsmittel für ein Spülmedium, welches nicht in das Hammergehäuse integriert ist, anzuordnen, welches jedoch die Nachteile einer verkürzten Bohrlänge und einer vergrößerten Belastung der Lagerstellen aufweist.An attempt has already been made to arrange a separate supply means for a flushing medium, which is not integrated into the hammer housing, on a drilling tool holding means extended in the axial direction, which, however, has the disadvantages of a shortened drilling length and an increased loading of the bearing points.

Die Erfindung setzt sich zum Ziel, die Nachteile im Stand der Technik zu überwinden und eine Einrichtung zur Zuführung eines Spülmediums zum Werkzeug eines Bohrhammers, insbesondere zu einem Werkzeug einer Stichloch-Bohrmaschine an einem metallurgischen Gefäß der eingangs genannten Art zu schaffen, welche einen geringen Verschleiß im harten Bohrbetrieb aufweist und im Wesentlichen gleichzeitig ein Wechseln der Lagerbuchsen zwischen Bohrwerkzeug-Haltemittel und Gehäuse und ein Wechseln der Dichtungen im Zuleitungsweg für das Spülmittel erforderlich machen.The invention has the object to overcome the disadvantages of the prior art and to provide a means for supplying a flushing medium to the tool of a hammer drill, in particular to a tool of a tap hole drilling machine on a metallurgical vessel of the type mentioned, which is a low wear has in the hard drilling operation and essentially at the same time make it necessary to change the bearing bushes between Bohrwerkzeug-holding means and housing and a change of the seals in the supply path for the detergent.

Dieses Ziel wird bei einer gattungsgemäßen Einrichtung innovativ dadurch erreicht, dass ein im Wesentlichen asymmetrisch ausgeformtes Zuleitungsmittel und das zugehörige Halteteil ein, vorzugsweise unlösbar verbundenes Bauelement bilden, wobei das Zuleitungsmittel beiderseits jeweils distal Gleitlager, insbesondere Führungsbänder und Dichtungen zum Bohrwerkzeug-Haltemittel hin aufweist und das Halteteil gegenüber dem Gehäuse und/oder einem mit diesem verbundenen Fixierring radial in Grenzen bei Biegung verschiebbar, jedoch tangential formschlüssig festgelegt ist.This object is achieved innovatively in a generic device in that a substantially asymmetrically shaped supply line and the associated holding part form a preferably non-detachably connected component, wherein the supply means on both sides respectively distal sliding bearing, in particular guide bands and seals for Bohrwerkzeug-holding means out and that Holding part relative to the housing and / or a fixing ring connected to this radially in limits displaced by bending, but is fixed tangentially positively.

Die mit dem Zuleitungsmittel und dem zugehörigen Halteteil gemäß der Erfindung erzielten Vorteile sind im Wesentlichen darin begründet, dass dieses radial in Grenzen bewegbar als sogenanntes "schwimmendes" Zuleitungsmittel bzw. Zuleitungselement ausgeformt ist, welches sich dichtend an das Bohrwerkzeug-Haltemittel anlegen kann, und eine Führung durch das Gehäuse alleine in Drehrichtung formschlüssig erfolgt. Das Bohrwerkzeug-Haltemittel kann bei einem Verschleiß der Lagerstellen in Grenzen eine radiale Verschiebung im Gehäuse ausführen, wobei das Bauelement, Zuleitungsmittel mit Halteteil zwar gegen Verdrehung gesichert ist, jedoch einer Verschiebung des Bohrwerkzeug-Haltemittels folgen kann.The advantages achieved with the supply line and the associated holding part according to the invention are essentially due to the fact that it is radially movable within limits as a so-called "floating" supply line or supply element, which can be sealingly applied to the drilling tool holding means, and a Guided by the housing alone in the direction of rotation form fit. The drilling tool holding means can be limited in radial wear when the bearings wear out Execute displacement in the housing, wherein the component, supply means with holding part, although secured against rotation, but can follow a displacement of the drilling tool holding means.

Vorteilhaft ist weiters auch die Ausführungsvariante nach Anspruch 2, bei welcher das radial verschiebbare Bauelement, gebildet aus Zuleitungsmittel für das Spülmedium und Halteteil, axial benachbart zur Lagerbuchse, festgelegt durch ein Distanzelement, positioniert ist und nach Lösen des Fixierringes vom Gehäuse aus diesem das Bauelement mit dem Zuleitungsmittel samt Führungsbänder und Dichtungen und die Lagerbuchse mit Distanzelement ausziehbar sind.Also advantageous is the embodiment according to claim 2, in which the radially displaceable component, formed from supply means for the flushing medium and holding part, axially adjacent to the bearing bush, defined by a spacer, is positioned and after releasing the fixing ring from the housing of this with the component the supply means including guide straps and seals and the bearing bush with spacer element are extendable.

Derart kann auf einfache und wirtschaftliche Weise bei einem im Wesentlichen gleichzeitigen Verschleiß der Lager und Dichtungselemente kurzfristig eine Reparatur vorgenommen werden. In einem Arbeitsgang sind die Dichtungen und Führungsbänder des Zuleitmittels für das Spülmedium sowie die Lagerbuchse für das Bohrwerkzeug-Haltemittel im Gehäuse tauschbar, wobei keine zusätzlichen Bauteile zu demontieren und zu montieren sind, wodurch die erforderliche Reparaturzeit des Bohrhammers effizient reduzierbar ist.Such can be made in a simple and economical way at a substantially simultaneous wear of the bearing and sealing elements in the short term repair. In one operation, the seals and guide bands of the supply medium for the flushing medium and the bearing bush for the drilling tool holding means in the housing are exchangeable, with no additional components to disassemble and assemble, whereby the required repair time of the hammer drill is reduced efficiently.

Ein Ausführungsbeispiel der Erfindung, welches lediglich einen Ausführungsweg derselben darstellt, ist in der Zeichnung gezeigt und wird nachfolgend beschrieben.An embodiment of the invention, which merely illustrates an embodiment thereof, is shown in the drawing and will be described below.

Es zeigt:

Fig. 1
Eine Einrichtung zur Zuführung für ein Spülmedium zum Werkzeug eines Bohrhammers
It shows:
Fig. 1
A device for supplying a flushing medium to the tool of a hammer drill

Eine Bezugszeichenliste soll eine Zuordnung der Funktionsmittel und Teile in der Darstellung erleichtern.A reference list is intended to facilitate an association of the functional means and parts in the representation.

Es stellen dar:

1
Bohrwerkzeug-Haltemittel
11
Zuführungskanal für Spülmedium
2
Übertragungsteil
3
Gehäuse
31
Fixierring
4
Zuleitungsmittel
41, 41'
Gleitlager
42, 42'
Dichtung
5
Halteteil
51
Spülmedium-Einlass
6
Lagerbuchse
61
Distanzelement
They show:
1
Drilling tool holding means
11
Supply channel for flushing medium
2
transmission part
3
casing
31
fixing
4
supply means
41, 41 '
bearings
42, 42 '
poetry
5
holding part
51
Flushing medium inlet
6
bearing bush
61
spacer

Fig. 1 zeigt im Schnitt eine erfindungsgemäße Einrichtung, wobei oberhalb der Mittellinie das Bohrwerkzeug-Haltemittel in vorgeschobener Position und unterhalb der Mittelline in rückgestellter Position dargestellt ist. Fig. 1 shows in section a device according to the invention, wherein above the center line, the drilling tool holding means is shown in the advanced position and below the center line in the reset position.

Ein Bohrwerkzeug-Haftemittel 1 weist im distalen auskragenden Bereich einen Aufnahmebereich für ein Werkzeug mit Spülkanal auf. Zentrisch im Grundbereich einer Werkzeugaufnahme vom Haltemittel 1 befindet sich ein Hohl, welches mittels einer schrägen Bohrung nach außen einen Zuführungskanal 11 für ein Spülmedium bildet.A drilling tool adhesive 1 has a receiving area for a tool with flushing channel in the distal projecting area. Centrally located in the base region of a tool holder from the holding means 1 is a hollow, which forms by means of an oblique bore to the outside a supply channel 11 for a flushing medium.

Ein Bohrwerkzeug-Haltemittel 1 wird von einem Übertragungsteil 2 stoßweise und gegebenenfalls rotierend angetrieben und hat arbeitsbedingt, bezogen auf ein Gehäuse 3, eine vorgeschobene und eine rückgestellte Position.A drilling tool holding means 1 is intermittently and optionally rotated by a transmission part 2 and has work related, based on a housing 3, an advanced and a reset position.

Um eine ununterbrochene Zufuhr eines Spülmittels zum Werkzeug sicherzustellen, weist ein Zuleitungsmittel 4 eine axsymmetrische radiale Ausnehmung mit einer Länge auf, welche zumindest einer Distanz zwischen vorgeschobener und rückgestellter Position vom Bohrwerkzeug-Haltemittel 1 entspricht.In order to ensure a continuous supply of a rinsing agent to the tool, a supply means 4 has an axsymmetrische radial recess with a length which at least a distance between the advanced and recovered position of the drilling tool holding means. 1 equivalent.

Ein Zuleitungsmittel 4 ist mit einem Halteteil 5 fest zu einem Bauelement 4,5 verbunden, wobei im Halteteil 5 ein Spülmedium-Einlass 51 mit einer Verbindung zur radialen Ausnehmung im Zuleitungsmittel 4 besteht.A supply line 4 is connected to a holding part 5 fixed to a component 4,5, wherein in the holding part 5, a flushing medium inlet 51 is connected to the radial recess in the supply line 4.

Beiderseits einer radialen Ausnehmung im Zuleitungsmittel 4 sind distal nach innen zur Axe gerichtet Gleitlager bzw. Führungsbänder 41, 41' und Dichtungen 42, 42' zum Bohrwerkzeug-Haltemittel 1 hin angeordnet.Sliding bearings or guide belts 41, 41 'and seals 42, 42' are arranged toward the drilling tool holding means 1 on both sides of a radial recess in the supply line 4.

Ein Bauelement, bestehend aus Zuleitungsmittel 4 und Halteteil 5, liegt mittels Lager 41, 41' und Dichtungen 42, 42' einerseits an der Außenoberfläche des Bohrwerkzeug-Halters 1 an und wird anderseits durch das Halteteil 5 vom Gehäuse 3 mit Fixierung 31 lose geführt.A component consisting of supply means 4 and holding part 5, by means of bearings 41, 41 'and seals 42, 42' on the one hand on the outer surface of the drill tool holder 1 and on the other hand by the holding part 5 of the housing 3 with fixing 31 loosely.

Eine lose Führung erfolgt derart, dass in radialer Richtung das Bauelement 4,5 verschiebbar ist, tangential jedoch ein ebenflächiger oder dergleichen Anschlag eine Drehung des Elements verhindert, sodass das Zuleitungsmittel 4 sozusagen "schwimmend" am Bohrwerkzeug-Haltemittel 1 dessen radialer Verschiebung folgt.A loose guide is such that in the radial direction, the component is displaceable 4.5, but tangentially a planar or similar stop prevents rotation of the element, so that the supply means 4, so to speak, "floating" on Bohrwerkzeug-holding means 1 follows its radial displacement.

Wenn erfindungsgemäß die Lagerbuchse 6 im Gehäuse 3 für das Bohrwerkzeug-Haltemittel 1, festgelegt durch ein Distanzelement 61 und ein Zuleitungsmittel 4 für ein Spülmedium, axial benachbart positioniert sind, kann, wie aus Fig. 1 leicht entnehmbar ist, nach einem Lösen eines Fixierringes 31 auf einfache Weise bei einer Reparatur des Bohrhammers nach Austrag des Bohrwerkzeug-Haltemitels 1 das Zuleitungsmittel 4 und die Lagerbuchse 6 mit dem Distanzelement 61 abgezogen und servierte Teile in das Gehäuse 3 wieder eingebracht werden.If according to the invention, the bearing bush 6 in the housing 3 for the drilling tool holding means 1, defined by a spacer 61 and a supply means 4 for a flushing medium, are positioned axially adjacent, as can be seen from Fig. 1 is easily removed, after loosening a fixing ring 31 in a simple way in a repair of the hammer after discharge of the Bohrwerkzeug Haltemitels 1 the supply means 4 and the bearing bush 6 with the spacer 61 deducted and serviced parts are introduced into the housing 3 again.

Claims (2)

Einrichtung zur Zuführung eines Spülmediums zum Werkzeug eines Bohrhammers, insbesondere zu einem Werkzeug einer Stichloch-Bohrmaschine am Hochofen, bestehend im Wesentlichen aus einem drehbaren und/oder axial verschiebbaren Bohrwerkzeug-Haltemittel (1) mit mindestens einem Zuführungskanal (11) für das Spülmedium, einem mit dem Haltemittel (1) zusammenwirkenden Übertragungsteil (2), einem Gehäuse (3) und einem Zuleitmittel (4) sowie Halteteil (5) mit einem Spülmedium-Einlass (51), dadurch gekennzeichnet, dass ein im Wesentlichen axsymmetrisch ausgeformtes Zuleitungsmittel (4) und das zugehörige Halteteil (5) ein, vorzugsweise unlösbar verbundenes Bauelement bilden, wobei das Zuleitungsmittel (4) beiderseits jeweils distal Gleitlager (41, 41'), insbesondere Führungsbänder und Dichtungen (42, 42') zum Bohrwerkzeug-Haltemittel (1) hin aufweist und das Halteteil (5) gegenüber dem Gehäuse (3) und/oder einem mit diesem verbundenen Fixierring (31) radial in Grenzen bei Biegung verschiebbar, jedoch tangential formschlüssig festgelegt ist.Means for supplying a flushing medium to the tool of a hammer drill, in particular to a tool of a taphole drill at the blast furnace, consisting essentially of a rotatable and / or axially displaceable drilling tool holding means (1) with at least one supply channel (11) for the flushing medium, a with the holding means (1) cooperating transmission part (2), a housing (3) and a Zuleitmittel (4) and holding part (5) with a flushing medium inlet (51), characterized in that a substantially axsymmetrisch shaped supply line (4) and the associated holding part (5) form a preferably non-detachably connected component, wherein the supply means (4) on both sides each distal sliding bearings (41, 41 '), in particular guide bands and seals (42, 42') to the drilling tool holding means (1) out and the holding part (5) relative to the housing (3) and / or a fixing ring (31) connected thereto radially within limits at bending v verschiebbar, but tangentially positively fixed. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das radial verschiebbare Bauelement, gebildet aus Zuleitungsmittel (4) für das Spülmedium und Halteteil (5), axial benachbart zur Lagerbuchse (6), festgelegt durch ein Distanzelement (61) positioniert ist und nach Lösen des Fixierringes (31) vom Gehäuse (3) aus diesem das Bauelement (4, 5) mit dem Zuleitungsmittel (4) samt Führungsbänder (41, 41') und Dichtungen (42, 42') und die Lagerbuchse (6) mit Distanzelement (61) ausziehbar sind.Device according to claim 1, characterized in that the radially displaceable component, formed from feed means (4) for the flushing medium and holding part (5), axially adjacent to the bearing bush (6), is fixed by a spacer element (61) and after loosening the Fixing ring (31) from the housing (3) from this the component (4, 5) with the supply means (4) together with guide belts (41, 41 ') and seals (42, 42') and the bearing bush (6) with spacer element (61 ) are extendable.
EP12181514.6A 2011-09-08 2012-08-23 Device for supplying flushing media to a hammer drill Active EP2568245B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12181514T PL2568245T3 (en) 2011-09-08 2012-08-23 Device for supplying flushing media to a hammer drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA1294/2011A AT511616B1 (en) 2011-09-08 2011-09-08 DEVICE FOR SUPPLYING DISHWASHER IN A DRILLING HAMMER

Publications (2)

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EP2568245A1 true EP2568245A1 (en) 2013-03-13
EP2568245B1 EP2568245B1 (en) 2018-02-28

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US (1) US9689616B2 (en)
EP (1) EP2568245B1 (en)
JP (1) JP5717255B2 (en)
KR (1) KR101418494B1 (en)
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TW201325770A (en) 2013-07-01
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CA2788800A1 (en) 2013-03-08
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US9689616B2 (en) 2017-06-27
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MX338256B (en) 2016-04-11
ES2663716T3 (en) 2018-04-16

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