EP0706606B1 - Element tranchant pour une haveuse - Google Patents
Element tranchant pour une haveuse Download PDFInfo
- Publication number
- EP0706606B1 EP0706606B1 EP94924221A EP94924221A EP0706606B1 EP 0706606 B1 EP0706606 B1 EP 0706606B1 EP 94924221 A EP94924221 A EP 94924221A EP 94924221 A EP94924221 A EP 94924221A EP 0706606 B1 EP0706606 B1 EP 0706606B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- chisel
- plug
- chisel holder
- holder
- cutter member
- 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
Links
- 239000003245 coal Substances 0.000 title 1
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
- E21C35/193—Means for fixing picks or holders using bolts as main fixing elements
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/18—Mining picks; Holders therefor
- E21C35/19—Means for fixing picks or holders
- E21C35/191—Means for fixing picks or holders for fixing holders
Definitions
- Cutting tool which can be fastened on a roller-shaped cutting body of a cutting machine, which has a base part and a bit holder, the bit holder is provided with a plug-in attachment which is held in a plug-in receptacle of the base part and the bit holder has a stop face which is flat against a stop of the base part.
- Such a cutting body is known from DE 92 11 739 U1.
- the chisel holder is inserted with a plug-in attachment into the plug-in receptacle of the base part, the plug-in receptacle being inclined forward in the running direction of the cutting body, so that the plug-in attachment is inserted into the base part.
- a shoulder arranged behind the plug-in projection in the running direction of the cutting body and running perpendicular to the axis of the bit holder serves to support a support surface of the bit holder.
- An edge is formed between the shoulder and the plug receptacle, which exerts a high edge pressure on the transition region between the plug-in attachment and the support surface of the bit holder during the milling process.
- the impulse-like loads occurring in cutting machines lead to alternating voltages, which quickly lead to material fatigue of the bit holder in the area of the edge, so that the plug-in attachment breaks off and the bit holder detaches from the base part.
- AU-A-3 359 071 describes a chisel holder on which a chisel can be fixed.
- the chisel holder has a plug receptacle into which a plug attachment of the chisel can be inserted.
- a stop is connected at an angle to the plug-in receptacle, forming an edge.
- the stop is arranged in the direction of the plug receptacle.
- a counter surface is connected to the plug attachment of the chisel.
- the counter surface is also angularly arranged to form an edge to a plug-in approach.
- the base part Has paragraph which is arranged around the plug-in receptacle and which is arranged at a distance from the bit holder in this area, and that the paragraph forms an obtuse-angled receptacle for the bit holder together with the stop.
- the chisel holder is thus supported flatly on the stop.
- the stop is inclined with respect to the shoulder, so that a force which is favorable for the material stress of the base part is possible. Because the chisel holder is spaced apart in the area around the plug receptacle, the entire force absorbed by the chisel is introduced into the shoulder. The plug-in attachment is kept free from loads.
- the shoulder and the stop form an obtuse-angled receptacle for the chisel holder.
- the force introduced via the chisel is thus broken down into a force component acting radially and tangentially to the roller-shaped cutting body.
- the angle can be dimensioned such that an optimal force distribution can be achieved.
- a preferred embodiment of the cutting body is characterized in that the angle is approximately 120 ° to 130 °.
- the cutting body can be used for fine machining of surfaces.
- a road surface should be leveled
- the chisel receptacles are arranged adjacent to one another in the axial direction of the cutting body. This enables fine processing of the road surface. Subsequent finishing of the milled surface is then no longer necessary because of the high surface sides that can be achieved.
- a quick and easy replacement of the chisel is achieved in that a tool opening is made in the base part, which creates access to the end of the chisel holder of the chisel holder that supports the stop.
- the plug-in receptacle of the base part has a prismatic guide which interacts with corresponding guide surfaces of the plug-in attachment of the chisel holder.
- a base part 20 with an exchangeable bit holder 30 is shown in three views.
- the cutting body has 10 pocket receptacles 27 on its cutting body surface, into which the base parts 20 are inserted with their base 26.
- the insertion movement of the base part 20 into the pocket receptacle 27 is limited by means of a stop 24, which fixes the base part 20 on its front side.
- a weld is provided for securely fastening the base part 20 to the cutting body.
- the base part 20 has a plug-in receptacle 21 which is introduced into a shoulder 28 arranged approximately parallel to the running direction 60 of the cutting body.
- a stop 32 is formed on the shoulder 28 at an obtuse angle in the running direction 60.
- the chisel holder 30 is inserted with its plug-in projection 31 into the plug-in receptacle 21 of the base part 20.
- a prism guide 25 is introduced, which serves to guide and receive guide surfaces 35 of the plug-in extension 31.
- the insertion movement of the chisel holder 20 is limited by a stop surface facing the stop 32 of the base part 20.
- a distance 36 is thus formed between the shoulder 28 of the base part 20 and the side of the bit holder 30 facing the shoulder 28, so that the bit holder 30 is supported only on the stop 32.
- the plug-in extension 31 has in its rear region a V-shaped recess 37, one leg of which serves as a pressure surface 38 for a pressure screw 50.
- the pressure screw 50 is screwed with its thread 53 into a thread receptacle of the base part 20 ', so that its pin 51 cooperates with the pressure surface 38.
- a chisel receptacle 33 is introduced into the chisel holder 30 and serves as a plug receptacle for a shaft part of a chisel 40.
- an annular contact surface 39 is formed, on which the chisel 40 is supported with a collar 41.
- the chisel 40 is secured against axial lifting with a clamping sleeve, not shown in the drawing.
- a tool opening 22 is introduced into the base part 20, which provides access to the end of the bit holder facing away from the bit head 42.
- the chisel 40 can then be driven out of the chisel receptacle 33 from the back of the base part 20 using a mandrel and a hammer.
- the pressure screw 50 is designed as a headless grub screw, so that it does not protrude into the tool opening 22 and thus does not affect the tool change.
- a tool holder 52 is inserted into the end face of the pressure screw 50, for example for holding an Allen key or a gate key.
- the base parts are fastened in a row on the cutting body surface 10.
- a base part 20 with its front joint 71 on a rear Butt joint 72 of a further base part 20 is set and fastened on the cutting body.
- the base part 20 is welded to the cutting body surface 10. But it is also conceivable to provide a screw connection.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Sawing (AREA)
- Road Repair (AREA)
- Shovels (AREA)
- Percussive Tools And Related Accessories (AREA)
Claims (8)
- Un Outil d'havage pouvant être attacher à un élément tranchant cylindrique, qui présente un élément de base 20 et un porte-pic 30 étant précisé, que le porte-pic 30 a un raccord d'enfichage 31 qui est tenu dans un récepteur d'enfichage 21 de l'élément de base 20, et étant précisé que le porte-pic 30 présente une surface d'arret qui touche avec toute la face à une butée 32 de l'élément de base 20,
caractérisé par le fait quel'élément de base 20 présente un gradin 28, qui est autour du récepteur d'enfichage 21 et dans cette zone distancé en face du porte-pic 30,et que le gradin 28 avec la butée 32 ensemble présente une réception à ongle optus au porte-pic 30, que la butée 32 est placé dans le sens de marche de l'élément tranchant, derrière le gradin 28. - Elément tranchant selon la revendication 1,
caractérisé par le fait que,
le gradin 28 et la butée 32 présente une réception à ongle optus au porte-pic 30. - Elément tranchant selon la revendication 2,
caractérisé par le fait que,
l'ongle est à peu près de 120° à 130°. - Element tranchant selon la revendication de 1 à 3,
caractérisé par le fait que,
le porte-pic présent au minimum deux récepteurs de pic 33. - Elément tranchant selon la revendication 4,
caractérisé par le fait que,
les récepteurs de pic 33 dans la direction d'axe de l'élément tranchant sont placés l'un à côté de l'autre en distance. - Elément tranchant selon la revendication 5,
caractérisé par le fait que,
la distance des récepteurs de pic 33 sont à peu près 45 mm. - Elément tranchant selon la revendication de 1 à 6,
caractérisé par le fait qu'
il y a mis une ouverture d'outil 22 dans l'élément de base, qui donne accès par la fin au récepteur de pic 33 du porte-pic 30 qui supporte la butée 32. - Elément tranchant selon la revendication de 1 à 7,
caractérisé par le fait que,
le récepteur d'enfichage 21 de l'élément de base 20 présente une glissière prismatique 25, qui travaille avec des surfaces de guidage 35 conformes du raccord d'enfichage 31 du porte-pic 30.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4322401 | 1993-07-06 | ||
DE4322401A DE4322401C2 (de) | 1993-07-06 | 1993-07-06 | Befestigung eines Schrämwerkzeugs an einem Schrämkörper |
PCT/EP1994/002164 WO1995002112A1 (fr) | 1993-07-06 | 1994-07-01 | Element tranchant pour une haveuse |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0706606A1 EP0706606A1 (fr) | 1996-04-17 |
EP0706606B1 true EP0706606B1 (fr) | 1997-03-05 |
Family
ID=6492035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94924221A Expired - Lifetime EP0706606B1 (fr) | 1993-07-06 | 1994-07-01 | Element tranchant pour une haveuse |
Country Status (7)
Country | Link |
---|---|
US (1) | US5683144A (fr) |
EP (1) | EP0706606B1 (fr) |
AT (1) | ATE149630T1 (fr) |
DE (2) | DE4322401C2 (fr) |
DK (1) | DK0706606T3 (fr) |
HK (1) | HK1006324A1 (fr) |
WO (1) | WO1995002112A1 (fr) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9151157B2 (en) | 2010-12-03 | 2015-10-06 | Wirtgen Gmbh | Chisel holder |
US9163502B2 (en) | 2010-12-03 | 2015-10-20 | Wirtgen Gmbh | Chisel holder, and chisel holder system comprising a chisel holder and a base part |
US9228434B2 (en) | 2010-12-03 | 2016-01-05 | Wirtgen Gmbh | Chisel holder |
US9260965B2 (en) | 2011-07-04 | 2016-02-16 | Wirtgen Gmbh | Chisel holder for a soil treatment machine |
US9267373B2 (en) | 2010-12-03 | 2016-02-23 | Wirtgen Gmbh | Chisel holder and lower tool part for a chisel holder |
US9376911B2 (en) | 2010-12-03 | 2016-06-28 | Wirtgen Gmbh | Chisel holder, and chisel holder system comprising a chisel holder and a base part |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5884979A (en) * | 1997-04-17 | 1999-03-23 | Keystone Engineering & Manufacturing Corporation | Cutting bit holder and support surface |
DE19908656C1 (de) | 1999-02-27 | 2000-08-31 | Wirtgen Gmbh | Meißelhalterwechselsystem |
US6331035B1 (en) | 1999-03-19 | 2001-12-18 | Kennametal Pc Inc. | Cutting tool holder assembly with press fit |
US6234579B1 (en) | 1999-04-07 | 2001-05-22 | Kennametal Pc Inc. | Cutting tool holder retention assembly |
US6220671B1 (en) | 1999-07-09 | 2001-04-24 | Kennametal Pc Inc. | Cutting tool holder retention system |
DE10221764C1 (de) * | 2002-05-15 | 2003-11-27 | Wirtgen Gmbh | Halterung für einen Schaftmeißel |
DE10261159C5 (de) | 2002-12-20 | 2010-11-11 | Andreas Lemm | Meißelhalter |
DE10261646B4 (de) | 2002-12-27 | 2010-02-25 | Wirtgen Gmbh | Schrämwerkzeug |
DE102004030691B4 (de) * | 2004-06-24 | 2008-12-18 | Wirtgen Gmbh | Werkzeug-Haltevorrichtung |
DE102004057302B4 (de) | 2004-11-26 | 2011-01-13 | Wirtgen Gmbh | Meißelhalter |
DE102005003734B3 (de) | 2005-01-26 | 2006-02-16 | Wirtgen Gmbh | Meißelhaltersystem |
DE102007051911B4 (de) * | 2007-10-29 | 2011-06-16 | Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg | Schaftmeißel |
DE102009049780B4 (de) | 2009-10-19 | 2016-02-18 | Betek Gmbh & Co. Kg | Meißel, insbesondere Rundschaftmeißel |
AU2012233012B2 (en) * | 2009-12-17 | 2014-07-31 | Wirtgen Gmbh | Bit holder and base part for receiving a bit holder |
DE202009014880U1 (de) | 2009-12-17 | 2011-04-28 | Wirtgen Gmbh | Meißelhalter und Basisteil zur Aufnahme eines Meißelhalters |
DE102009059188A1 (de) | 2009-12-17 | 2011-06-22 | Wirtgen GmbH, 53578 | Meißelhalter und Basisteil |
DE102009059189A1 (de) | 2009-12-17 | 2011-06-22 | Wirtgen GmbH, 53578 | Meißelhalter und Basisteil zur Aufnahme eines Meißelhalters |
US9028009B2 (en) * | 2010-01-20 | 2015-05-12 | Element Six Gmbh | Pick tool and method for making same |
EP2543814B1 (fr) | 2011-07-04 | 2017-09-06 | Wirtgen GmbH | Support de burin et système de support de burin doté d'un support de burin et d'une partie de base |
DE102011051523A1 (de) | 2011-07-04 | 2013-01-10 | Wirtgen Gmbh | Meißelhalter |
USD667854S1 (en) | 2011-04-11 | 2012-09-25 | Betek Gmbh & Co. Kg | Chisel holder |
USD667855S1 (en) | 2011-04-11 | 2012-09-25 | Betek Gmbh & Co. Kg | Base for a chisel holder |
USD666641S1 (en) | 2011-07-04 | 2012-09-04 | Wirtgen Gmbh | Chisel holder |
GB201113591D0 (en) | 2011-08-08 | 2011-09-21 | Hydra Mining Tools Internat Ltd | Mineral cutter tool |
DE102012101719A1 (de) | 2012-03-01 | 2013-09-05 | Wirtgen Gmbh | Meißelhalter |
DE102016125917A1 (de) * | 2016-12-30 | 2018-07-05 | Wirtgen Gmbh | Meißelwechselhalter |
DE102016125921A1 (de) * | 2016-12-30 | 2018-07-05 | Wirtgen Gmbh | Werkzeugkombination mit einem Meißelhalter und zwei Meißeln |
AU201816544S (en) | 2018-08-01 | 2018-11-27 | Betek Gmbh & Co Kg | A chisel |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE343448C (fr) * | ||||
DE734713C (de) * | 1939-12-03 | 1943-04-22 | Eickhoff Geb | Schraemkette |
DE1915152A1 (de) * | 1969-03-25 | 1970-10-01 | Eickhoff Geb | Schraemmeisselhalter,der mit mindestens zwei nebeneinander angeordneten Schraemmeisseln besetzt ist |
AU3359071A (en) * | 1971-09-16 | 1973-03-22 | Austin Hoy And Company Limited | Improvements in toolsand holders therefor |
US3992061A (en) * | 1975-04-07 | 1976-11-16 | Joy Manufacturing Company | Mining cutter bit assembly |
GB1550353A (en) * | 1976-05-17 | 1979-08-15 | Wickman Wimet Ltd | Mineral cutting picks and boxes |
US4343516A (en) * | 1980-08-11 | 1982-08-10 | Ingersoll-Rand Company | Cutter bit assembly |
DE3434348C2 (de) * | 1984-08-10 | 1986-10-02 | Fa. Astrid Komotzki, 4600 Dortmund | Halterung für Schrämmeißel bei Kohlengewinnungsmaschinen |
DE3503224A1 (de) * | 1985-01-31 | 1986-08-14 | Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen | Lagerbock mit darin verlagertem rundschaftmeissel |
GB8717116D0 (en) * | 1987-07-20 | 1987-08-26 | Wimet Mining Ltd | Cutter picks |
US4915455A (en) * | 1988-11-09 | 1990-04-10 | Joy Technologies Inc. | Miner cutting bit holding apparatus |
DE9211739U1 (de) * | 1992-09-01 | 1992-11-05 | Betek Bergbau- und Hartmetalltechnik Karl-Heinz Simon GmbH & Co KG, 7234 Aichhalden | Walzenförmiger Schneidkörper für eine Schrämmaschine |
DE9310021U1 (de) * | 1993-07-06 | 1993-11-11 | Betek Bergbau- und Hartmetalltechnik Karl-Heinz Simon GmbH & Co KG, 78733 Aichhalden | Schneidkörper für eine Schrämmaschine |
-
1993
- 1993-07-06 DE DE4322401A patent/DE4322401C2/de not_active Expired - Lifetime
-
1994
- 1994-07-01 DE DE59401971T patent/DE59401971D1/de not_active Expired - Lifetime
- 1994-07-01 US US08/578,618 patent/US5683144A/en not_active Expired - Lifetime
- 1994-07-01 DK DK94924221.8T patent/DK0706606T3/da active
- 1994-07-01 EP EP94924221A patent/EP0706606B1/fr not_active Expired - Lifetime
- 1994-07-01 AT AT94924221T patent/ATE149630T1/de active
- 1994-07-01 WO PCT/EP1994/002164 patent/WO1995002112A1/fr active IP Right Grant
-
1998
- 1998-06-17 HK HK98105494A patent/HK1006324A1/xx not_active IP Right Cessation
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9151157B2 (en) | 2010-12-03 | 2015-10-06 | Wirtgen Gmbh | Chisel holder |
US9163502B2 (en) | 2010-12-03 | 2015-10-20 | Wirtgen Gmbh | Chisel holder, and chisel holder system comprising a chisel holder and a base part |
US9228434B2 (en) | 2010-12-03 | 2016-01-05 | Wirtgen Gmbh | Chisel holder |
US9267373B2 (en) | 2010-12-03 | 2016-02-23 | Wirtgen Gmbh | Chisel holder and lower tool part for a chisel holder |
US9376911B2 (en) | 2010-12-03 | 2016-06-28 | Wirtgen Gmbh | Chisel holder, and chisel holder system comprising a chisel holder and a base part |
US9719348B2 (en) | 2010-12-03 | 2017-08-01 | Wirtgen Gmbh | Chisel holder |
US9765620B2 (en) | 2010-12-03 | 2017-09-19 | Wirtgen Gmbh | Chisel holder |
US9260965B2 (en) | 2011-07-04 | 2016-02-16 | Wirtgen Gmbh | Chisel holder for a soil treatment machine |
US9739145B2 (en) | 2011-07-04 | 2017-08-22 | Wirtgen Gmbh | Chisel holder for a soil treatment machine |
US10208593B2 (en) | 2011-07-04 | 2019-02-19 | Wirtgen Gmbh | Chisel holder for a soil treatment machine |
Also Published As
Publication number | Publication date |
---|---|
DE4322401A1 (de) | 1995-01-12 |
US5683144A (en) | 1997-11-04 |
HK1006324A1 (en) | 1999-02-19 |
ATE149630T1 (de) | 1997-03-15 |
EP0706606A1 (fr) | 1996-04-17 |
DE4322401C2 (de) | 1996-06-20 |
DK0706606T3 (da) | 1997-09-01 |
WO1995002112A1 (fr) | 1995-01-19 |
DE59401971D1 (de) | 1997-04-10 |
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