EP2574874B1 - Schlagwerk für eine Hammereinrichtung und Verfahren zum Offenstellen einer Abstichöffnung - Google Patents

Schlagwerk für eine Hammereinrichtung und Verfahren zum Offenstellen einer Abstichöffnung Download PDF

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Publication number
EP2574874B1
EP2574874B1 EP12181332.3A EP12181332A EP2574874B1 EP 2574874 B1 EP2574874 B1 EP 2574874B1 EP 12181332 A EP12181332 A EP 12181332A EP 2574874 B1 EP2574874 B1 EP 2574874B1
Authority
EP
European Patent Office
Prior art keywords
striking
control
striking mechanism
piston
pressure
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.)
Active
Application number
EP12181332.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2574874A1 (de
Inventor
Michael Wolfsberger
Werner Schantl
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-BBG RESEARCH und DEVELOPMENT GmbH
Original Assignee
Tmt-Bbg Research und Development GmbH
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Publication of EP2574874A1 publication Critical patent/EP2574874A1/de
Application granted granted Critical
Publication of EP2574874B1 publication Critical patent/EP2574874B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • 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
    • 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
    • F27D3/1536—Devices for plugging tap holes, e.g. plugs stoppers

Definitions

  • the invention relates to a hammer mechanism for an axially usable in both directions hammer device, in particular impact mechanism for a hammer for opening and optionally closing a taphole of a metallurgical vessel, comprising a displaceable by means of a pressure medium in the axial direction Rohrkolben in a striking mechanism housing and a centric or proximal, engageable, at least with a tool connected, bilateral anvil parts having transmission part of the impact energy and a means for reversing the pressurization of the tube piston, wherein the tubular piston on both sides acted upon by the pressure medium, has substantially radial pressure surfaces and grooves between tubes and percussion housing for reversing a Druckmediumbeaufschlagung having the pressure surfaces and discharge or return of the medium.
  • the invention relates to a method for opening or closing a tapping opening in a provided with a refractory lining wall of a metallurgical vessel.
  • Pneumatically or hydraulically operable hammers with a percussion mechanism which each axially on both sides acted upon by pressure medium tube piston, are prior art and, for example in the EP 0 930 476 B1
  • Such striking mechanisms are preferably used for devices which provide propulsion or withdrawal of a tool in both directions, such as means for opening and closing tapping openings of metallurgical vessels and the like.
  • a regulation within limits of the impact energy and the impact frequency of the cattail can be done in a complex manner by means of conversions of Hammer device or by adjusting the amount per unit time and / or the pressure of the supplied pressure medium done.
  • the invention has for its object to overcome the disadvantages of percussion devices of the type mentioned for rotary hammers and to provide a simple way of controlling the beat frequency and the impact force of the cattail. Furthermore, if necessary, it should be possible to convert the impact frequency and impact force of the tubular piston in the event of an axial change of direction of the tool load in practical use in order to meet special requirements for hammer devices, in particular in metallurgical plants.
  • the tubular piston executes a different displacement or acceleration path depending on the activation of one of the Um Kunststoffungsnute offset in the axial direction and such changes of the beat frequency and the impact force or impact energy are achieved.
  • the longer the path for the return stroke of the pipe piston is provided to the reversal of the pressure medium, the lower the beat frequency and the higher the impact energy of the hammer and vice versa.
  • a particularly simple and effective control of the tube piston movement is achieved if the control mechanism of the percussion mechanism connected to the impact mechanism housing has a cylindrical recess with connecting channels to the Um Kunststoffungsnuten Schlagtechnikgephaseuse and by axial positioning of a control piston in the recess in each case one Um Kunststoffungsnuten activated.
  • This embodiment of the control means has the advantage that by a simple displacement of the control piston in the recess each directly effective, short flow channel connections are created, which ensure an exact reversal of the cog piston movement.
  • control piston can be positioned manually or against a spring force by means of a pressure medium in the recess of the control means.
  • Such an alternative can be an automatic adjustment of the tube piston movement be effected when the hammer device is moved hydraulically or pneumatically.
  • queuing and removal of the hammer device takes place locally by means of a pressure medium and thus the position of the control piston in the control means is adjustable as a function of the impact direction of the hammer device, an open position or closure of the taphole opening can be used, for example, in metallurgical plants of metallurgical vessels are automatically made according to a favorable procedure.
  • the further object of the invention to provide an advantageous method using an impact mechanism disclosed above in a hammer device for opening or optionally closing a tap hole in a refractory lining wall of a metallurgical vessel is achieved when a propulsion and a withdrawal of a tool with different impact energy and / or done with different beat frequency.
  • Refractory linings and the like repairs and sealants are extremely brittle and sensitive to cracking.
  • a conversion of the impact energy and / or the impact frequency of the tool allows each to choose the cheapest impact technology.
  • the drilling process is optimized in a taphole position and a funnel-shaped breakout from the masonry is largely avoided in the direction of advance, and removal of the tool takes place at high speed without jamming.
  • FIG. 1 a striking mechanism with control means of a cattail
  • a reference list is intended to facilitate the assignment of the functional means and parts in the representation.
  • Fig. 1 an impact mechanism according to the invention is shown, wherein the transmission part of the impact energy with ambosystems arranged on both sides as well as the tool (s) are not shown.
  • a tubular piston 1 is arranged axially displaceably in a hammer mechanism housing 2 and has distal pressure surfaces 11 and 11 ', which move the piston 1 when a surface is acted upon by a pressure medium.
  • a reversal of the pressurization of the respective pressure surfaces 11 and 11 'of the tubular piston 1 is carried out by a conventional means, being exchanged for a spring force by pressure or relaxation of a control device, the supply and discharge of the pressure medium.
  • a supply line 13 of pressure medium takes place by means of a recess in the percussion mechanism housing 2.
  • a recess 12 on the pipe piston projects beyond two control grooves 3, 3 'with connection channels 31, 31' to a control means 4, in which the connection channels 42, 42 'are continued in a recess 41 with a control piston 43.
  • the control piston 43 has on the outer surface of a recess which is connected to an inner hollow and thus forms a discharge channel for a pressure medium, which channel cooperates with a discharge means 5 for a relaxed pressure medium.
  • the control piston 43 is displaceable against a spring, so that its recess on the outer surface activates either the channels 31 in the impact mechanism housing 2 and 42 in the control means 4 or the axially spaced channels 31 'in the striking mechanism housing 2 and 42' in the control means 4. This results in alternatively a shorter or longer path of the tubular piston 1 to the reversal of the application of the pressure surfaces 11 and 11 '.
  • a positioning of the control piston 43 in the control means 4 can be carried out in an advantageous manner respectively by the pressure medium for queuing or for a withdrawal of the hammer drill so that an automatically controlled with its axial direction of impact energy and / or impact frequency is reached.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
EP12181332.3A 2011-09-27 2012-08-22 Schlagwerk für eine Hammereinrichtung und Verfahren zum Offenstellen einer Abstichöffnung Active EP2574874B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA1397/2011A AT511810B1 (de) 2011-09-27 2011-09-27 Schlagwerk für eine hammereinrichtung und verfahren zum offenstellen einer abstichöffnung

Publications (2)

Publication Number Publication Date
EP2574874A1 EP2574874A1 (de) 2013-04-03
EP2574874B1 true EP2574874B1 (de) 2019-04-03

Family

ID=46704541

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12181332.3A Active EP2574874B1 (de) 2011-09-27 2012-08-22 Schlagwerk für eine Hammereinrichtung und Verfahren zum Offenstellen einer Abstichöffnung

Country Status (13)

Country Link
US (2) US9347709B2 (ja)
EP (1) EP2574874B1 (ja)
JP (1) JP5605858B2 (ja)
KR (1) KR101441908B1 (ja)
CN (1) CN103009342B (ja)
AT (1) AT511810B1 (ja)
BR (1) BR102012024285B1 (ja)
CA (1) CA2790905C (ja)
MX (1) MX2012011063A (ja)
RU (1) RU2529133C2 (ja)
TW (1) TWI533982B (ja)
UA (1) UA105950C2 (ja)
ZA (1) ZA201207209B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT513849B1 (de) 2013-03-04 2014-08-15 Tmt Bbg Res And Dev Gmbh Steuerung der Arbeitsfrequenz eines Schlagwerkes
US20160039079A1 (en) * 2014-08-11 2016-02-11 Caterpillar Inc. Hydraulic hammer having single piece seal assembly
GB2556457B (en) * 2015-04-30 2021-10-13 Koki Holdings Co Ltd Fastener driving machine
US20160340849A1 (en) * 2015-05-18 2016-11-24 M-B-W, Inc. Vibration isolator for a pneumatic pole or backfill tamper
CN112643614B (zh) * 2020-11-16 2022-04-15 浙江开创电气股份有限公司 一种手持式多功能电锤
CN115781598B (zh) * 2022-12-16 2024-09-20 张钦 手持式冲击电钻

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FI751895A (ja) * 1975-06-26 1976-12-27 Xandor Ag
US4282937A (en) * 1976-04-28 1981-08-11 Joy Manufacturing Company Hammer
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DE3400302A1 (de) * 1984-01-03 1985-08-29 Mannesmann AG, 4000 Düsseldorf Hydraulisch betaetigte schlagvorrichtung
AT383866B (de) * 1984-07-06 1987-09-10 Ver Edelstahlwerke Ag Einrichtung zum schlagenden und/oder drehenden bohren
DE3523219C1 (de) * 1985-06-28 1986-06-26 Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen Hydraulischer Bagger
DE4113323A1 (de) * 1991-04-24 1992-10-29 Krupp Maschinentechnik Schlagwerk fuer ein bohrgestaenge
FR2676953B1 (fr) * 1991-05-30 1993-08-20 Montabert Ets Appareil hydraulique a percussions.
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DE4343589C1 (de) * 1993-12-21 1995-04-27 Klemm Guenter Fluidbetätigter Schlaghammer
US5408768A (en) * 1994-03-18 1995-04-25 Karani; Ron R. Impact hammer cylinder
JPH08281571A (ja) * 1995-04-14 1996-10-29 Komatsu Ltd 振動発生装置
EP0885092A1 (en) * 1995-07-31 1998-12-23 RAUNISTO, Airi A device performing hammering by means of hydraulic pressure
FI104961B (fi) * 1996-07-19 2000-05-15 Sandvik Tamrock Oy Painenestekäyttöinen iskuvasara
AT407919B (de) * 1998-01-19 2001-07-25 Boehler Pneumatik Internat Gmb Pneumatisch oder hydraulisch betreibbarer hammer und verwendung des hammers zum offenstellen oder zum verschliessen einer abstichöffnung eines metallurgischen gefässes
JP3811312B2 (ja) * 1999-04-26 2006-08-16 新日本製鐵株式会社 油圧開孔機の自動制御方法
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Also Published As

Publication number Publication date
UA105950C2 (uk) 2014-07-10
US9903655B2 (en) 2018-02-27
AT511810A4 (de) 2013-03-15
CN103009342B (zh) 2015-09-23
US20130075120A1 (en) 2013-03-28
US20160169582A1 (en) 2016-06-16
TW201336639A (zh) 2013-09-16
TWI533982B (zh) 2016-05-21
US9347709B2 (en) 2016-05-24
RU2529133C2 (ru) 2014-09-27
EP2574874A1 (de) 2013-04-03
CA2790905A1 (en) 2013-03-27
CN103009342A (zh) 2013-04-03
JP5605858B2 (ja) 2014-10-15
ZA201207209B (en) 2013-06-29
RU2012141226A (ru) 2014-04-10
MX2012011063A (es) 2013-03-27
KR101441908B1 (ko) 2014-09-23
KR20130034000A (ko) 2013-04-04
JP2013071243A (ja) 2013-04-22
BR102012024285A2 (pt) 2015-01-06
BR102012024285B1 (pt) 2022-06-07
CA2790905C (en) 2015-02-10
AT511810B1 (de) 2013-03-15

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