EP0575270A1 - Werkzeughalter für einen hydraulischen Schlaghammer - Google Patents

Werkzeughalter für einen hydraulischen Schlaghammer Download PDF

Info

Publication number
EP0575270A1
EP0575270A1 EP93420248A EP93420248A EP0575270A1 EP 0575270 A1 EP0575270 A1 EP 0575270A1 EP 93420248 A EP93420248 A EP 93420248A EP 93420248 A EP93420248 A EP 93420248A EP 0575270 A1 EP0575270 A1 EP 0575270A1
Authority
EP
European Patent Office
Prior art keywords
guide
tool
zone
bore
rotation
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
EP93420248A
Other languages
English (en)
French (fr)
Other versions
EP0575270B1 (de
Inventor
Bernard Piras
Jean Sylvain Comarmond
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.)
Montabert SAS
Original Assignee
Montabert SAS
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 Montabert SAS filed Critical Montabert SAS
Publication of EP0575270A1 publication Critical patent/EP0575270A1/de
Application granted granted Critical
Publication of EP0575270B1 publication Critical patent/EP0575270B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
    • B25D17/084—Rotating chucks or sockets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17042—Lost motion
    • Y10T279/17085—Key retainer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T279/00—Chucks or sockets
    • Y10T279/17—Socket type
    • Y10T279/17923—Transverse pin

Definitions

  • the known solutions for ensuring these functions all have common characteristics.
  • the tool is guided on cylindrical surfaces, either of the same diameters or of different diameters.
  • the rotational stop and the axial retention of the tool are effected by one or more removable, cylindrical or flat keys.
  • the present invention provides a holding device which overcomes these drawbacks.
  • At least one of the means for guiding in translation delimits an area for setting in rotation cooperating with an area of complementary section formed, at least locally, on the tool.
  • the guiding curve of the guide zone in translation and in rotation setting comprises points of inflection forming angles of separation between facets.
  • the guide zone is delimited by the bore of a guide sleeve and comprises, at least, two pairs of opposite active facets.
  • the guide zone is delimited by at least two opposite pairs of independent plates, added in the bore of the guide body and each comprising an active facet.
  • the reference 2 designates the front guide comprising, in a known manner, upper 3 and lower guide means 4, for a tool 5 arranged coaxially with a striking piston 6.
  • the tool 5 is retained longitudinally in the front guide 2 by two transverse keys 7 passing through this front guide and each cooperating with an abutment face 8a forming part of two transverse notches 8 formed in the tool 5.
  • the setting in rotation of the tool 5 relative to the front guide 2 is provided by two guide means 3 and 4 which each have a guide zone whose guiding curve has inflection points forming angles 10 of separation between facets 12, that is to say has non-circular, polygonal or pseudopolygonal shapes.
  • the tool 5 has a square cross section and cooperates with sockets 3a and 4a, constituting the guide means, upper and lower, also having an axial bore of square section.
  • the tool 5b has two flats 14 constituting the facets 12 and cooperate with a socket 4c of similar internal section.
  • the tool 5c is provided, in its flats 14, with two concave facets 15. This tool cooperates with a bore of the same section as it formed in a socket 4d carried by the front guide 2.
  • FIG. 2 shows that the transverse clearances J1-J2 provided between the tool 5 and its guide means 3 and 4, whatever their embodiments, are less than the clearance J formed between the keys 7 and the bottom of the notches 8 , so that, in no case, the tool can come into contact with the keys in its transverse movements.
  • the tool When the tool is engaged deep in the ground and a resistant torque is applied on the whole of the front part of the device, the tool is set in rotation by its large active facets coming into contact with the facets opposite guide means 3 and 4.
  • the clearance J is also determined so that the keys 7 cannot come into contact with the tool in its working conditions.
  • FIG. 3 shows that, when the tool is no longer in support, the retaining keys 7 come into contact with the abutment faces 8a of the notches 8 and thus carry out the retention of the tool in the front guide of the rock breaker .
  • each of the guide means is not constituted by a socket but by at least two pairs of opposite plates 20, reported in the front guide 2.
  • These plates can be distributed along the four sides of a square or a rectangle and can have planar active faces as shown in 21 in FIGS. 7 and 8, concave active faces as shown in 22 in FIGS. 9 and 10, or convex as shown in 23 in Figures 11 and 12.
  • Their dorsal face can be flat or convex depending on the shape of the face against which they are supported.
  • the plates delimit a guide zone, the guiding curve of which includes points of inflection delimiting edges 10 and plane or curvilinear facets.
  • the cross section of the tool 5 is complementary to that of the guide zone, as already described in the previous embodiments.
  • the upper guide means 3 are composed of plates 20 delimiting a guide area of square section, cooperating with a square area of the tool, while the lower guide means 4 are constituted by a bush 4a having a cylindrical bore.
  • the tool 5 has, in the upper part, a square polygonal section, and below the notches 8, a cylindrical section.
  • FIGS. 14 and 15 show the application of the guide device according to the invention to a front guide 2 comprising a longitudinal bore of circular section 32.
  • each of the plates 33 has a flat active face 34 cooperating with a complementary face of the tool 5 and a semi-cylindrical back face 36 leaning against the wall of the bore 32.
  • the plates are fixed by radial screws 36.
  • the plates 38 of the same type as those 33 above, that is to say having an active face pla ne 34 and a semi-cylindrical dorsal face 35, are provided on their longitudinal edges with sloping faces 39 intended to cooperate with corners 40 inserted between two successive plates. These corners are fixed by screws 42 pulling them radially outwards. The plates 38 are thus clamped by their edges inside the cylindrical bore 32 of the front guide.
  • the guide device with rotational setting according to the invention may have any other sections than those described so far, provided that the combination of the facets of the tool with those of the complementary guide means or means, allows take up the resistant torque over large bearing surfaces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
  • Pens And Brushes (AREA)
  • Paper (AREA)
  • Gripping On Spindles (AREA)
EP93420248A 1992-06-16 1993-06-15 Werkzeughalter für einen hydraulischen Schlaghammer Expired - Lifetime EP0575270B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9207542 1992-06-16
FR9207542A FR2692187B1 (fr) 1992-06-16 1992-06-16 Dispositif de maintien de l'outil d'un brise roche hydraulique.

Publications (2)

Publication Number Publication Date
EP0575270A1 true EP0575270A1 (de) 1993-12-22
EP0575270B1 EP0575270B1 (de) 1996-05-08

Family

ID=9430981

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93420248A Expired - Lifetime EP0575270B1 (de) 1992-06-16 1993-06-15 Werkzeughalter für einen hydraulischen Schlaghammer

Country Status (12)

Country Link
US (1) US5388842A (de)
EP (1) EP0575270B1 (de)
JP (1) JPH0639744A (de)
AT (1) ATE137698T1 (de)
AU (1) AU666014B2 (de)
CA (1) CA2098452C (de)
DE (1) DE69302524T2 (de)
ES (1) ES2088250T3 (de)
FI (1) FI104155B1 (de)
FR (1) FR2692187B1 (de)
GR (1) GR3020358T3 (de)
ZA (1) ZA934287B (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2314287A (en) * 1996-06-19 1997-12-24 John Terrance Crilly Power tool with a fitment
EP0900635A2 (de) * 1997-09-04 1999-03-10 Krupp Berco Bautechnik GmbH Werkzeugführung an einer druckmittelbetriebenen Schlagvorrichtung
EP2635864A1 (de) * 2010-11-03 2013-09-11 Brokk Aktiebolag Anordnung mit einem manövrierbaren arm zur zerstörung einer ferngesteuerten arbeitsmaschine und verwendung davon zur sanierung metallurgischer gefässe
WO2018091791A1 (fr) 2016-11-17 2018-05-24 Montabert Appareil à percussions

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE503683C2 (sv) * 1994-11-17 1996-07-29 Berema Atlas Copco Ab Hydraulisk brythammare
WO2000058058A1 (en) * 1999-03-26 2000-10-05 Reginald Frederick Taylor Hammer drill assembly
JP2001302649A (ja) * 2000-04-28 2001-10-31 Sumitomo Chem Co Ltd プロピレンオキサイドの精製方法
FR2808720B1 (fr) * 2000-05-12 2002-07-26 Montabert Ets Appareil a percussion du type brise-roche
US6510904B1 (en) 2000-05-26 2003-01-28 Nippon Pneumatic Mfg. Co., Ltd. Protected tool bushing for an impact hammer
DE10044387A1 (de) * 2000-09-08 2002-04-04 Bosch Gmbh Robert Werkzeughalterung für eine Handwerkzeugmaschine
DE10105406A1 (de) * 2001-02-07 2002-08-08 Bosch Gmbh Robert Werkzeughalter für eine Handwerkzeugmaschine
DE10340164A1 (de) * 2003-09-01 2005-03-24 Robert Bosch Gmbh Werkzeughalter
FR2863518B1 (fr) * 2003-12-15 2006-01-13 Montabert Roger Dispositif d'assemblage du carter et du corps d'un brise roche hydraulique
FR2881764B1 (fr) * 2005-02-10 2007-03-16 Montabert Soc Par Actions Simp Appareil de damage destine a etre associe a un brise-roche
US7503628B2 (en) * 2006-09-01 2009-03-17 Hall David R Formation breaking assembly
JP2008126378A (ja) * 2006-11-22 2008-06-05 Makita Corp 打撃工具
FI119228B (fi) * 2006-12-05 2008-09-15 Sandvik Mining & Constr Oy Rikotuslaitteen työkalun laakerointi
EP2372203B1 (de) * 2010-03-29 2012-10-10 Siemens Aktiengesellschaft Kopplung eines Stellantriebs mit einem Ventil unter Verwendung eines in eine Ausnehmung eingreifenden Halteelements
SE1051151A1 (sv) * 2010-11-03 2012-05-04 Brokk Ab Brythammare vid en med manöverbar arm utrustad arbetsmaskin

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE16210E (en) * 1925-11-10 Dbill head
US1798257A (en) * 1926-09-23 1931-03-31 Ingersoll Rand Co Front head for rock drills
US2128935A (en) * 1934-08-20 1938-09-06 Sullivan Machinery Co Rock drill
US2150189A (en) * 1938-01-17 1939-03-14 Ronneberg Erik Drill chuck for mine drilling machines
DE1957510A1 (de) * 1969-11-15 1971-05-27 Bosch Gmbh Robert Vorrichtung zum UEbertragen einer Drehbewegung auf schlagbohrende Werkzeuge
DE2125818A1 (de) * 1971-05-25 1972-09-14
FR2234967A1 (de) * 1973-06-28 1975-01-24 Upat Max Langensiepen Kg
FR2248914A1 (de) * 1973-10-30 1975-05-23 Bosch Gmbh Robert
GB2161244A (en) * 1984-07-03 1986-01-08 Tampella Oy Ab Shaft couplings
DE3536132A1 (de) * 1985-10-10 1987-04-16 Bosch Gmbh Robert Werkzeughalter
US4906049A (en) * 1988-11-28 1990-03-06 N. P. K. Construction Equipment, Inc. Ripper using a hydraulic hammer and a method for making the improvement
DE9011245U1 (de) * 1990-07-31 1990-10-04 Beuermann, Herbert, Dipl.-Ing., 5207 Winterscheid, De

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1969798A (en) * 1931-07-21 1934-08-14 Independent Pneumatic Tool Co Retainer for tools and the like
US2716393A (en) * 1949-03-17 1955-08-30 Chicago Pneumatic Tool Co Chipping hammer tool retainer
FR2211869A5 (de) * 1972-12-26 1974-07-19 Montabert Ets
DE2809569A1 (de) * 1978-03-06 1979-09-20 Chris Eggers Jensen Werkzeuganordnung
JP4102782B2 (ja) * 2004-06-30 2008-06-18 株式会社大滝油圧 橋桁の送り出し架設方法及びそれに使用するガイド装置

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE16210E (en) * 1925-11-10 Dbill head
US1798257A (en) * 1926-09-23 1931-03-31 Ingersoll Rand Co Front head for rock drills
US2128935A (en) * 1934-08-20 1938-09-06 Sullivan Machinery Co Rock drill
US2150189A (en) * 1938-01-17 1939-03-14 Ronneberg Erik Drill chuck for mine drilling machines
DE1957510A1 (de) * 1969-11-15 1971-05-27 Bosch Gmbh Robert Vorrichtung zum UEbertragen einer Drehbewegung auf schlagbohrende Werkzeuge
DE2125818A1 (de) * 1971-05-25 1972-09-14
FR2234967A1 (de) * 1973-06-28 1975-01-24 Upat Max Langensiepen Kg
FR2248914A1 (de) * 1973-10-30 1975-05-23 Bosch Gmbh Robert
GB2161244A (en) * 1984-07-03 1986-01-08 Tampella Oy Ab Shaft couplings
DE3536132A1 (de) * 1985-10-10 1987-04-16 Bosch Gmbh Robert Werkzeughalter
US4906049A (en) * 1988-11-28 1990-03-06 N. P. K. Construction Equipment, Inc. Ripper using a hydraulic hammer and a method for making the improvement
DE9011245U1 (de) * 1990-07-31 1990-10-04 Beuermann, Herbert, Dipl.-Ing., 5207 Winterscheid, De

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2314287A (en) * 1996-06-19 1997-12-24 John Terrance Crilly Power tool with a fitment
GB2314287B (en) * 1996-06-19 2001-01-10 John Terrance Crilly Hand held power tools
EP0900635A2 (de) * 1997-09-04 1999-03-10 Krupp Berco Bautechnik GmbH Werkzeugführung an einer druckmittelbetriebenen Schlagvorrichtung
EP0900635A3 (de) * 1997-09-04 2003-01-15 Krupp Berco Bautechnik GmbH Werkzeugführung an einer druckmittelbetriebenen Schlagvorrichtung
EP2635864A1 (de) * 2010-11-03 2013-09-11 Brokk Aktiebolag Anordnung mit einem manövrierbaren arm zur zerstörung einer ferngesteuerten arbeitsmaschine und verwendung davon zur sanierung metallurgischer gefässe
EP2635864A4 (de) * 2010-11-03 2014-04-09 Brokk Aktiebolag Anordnung mit einem manövrierbaren arm zur zerstörung einer ferngesteuerten arbeitsmaschine und verwendung davon zur sanierung metallurgischer gefässe
WO2018091791A1 (fr) 2016-11-17 2018-05-24 Montabert Appareil à percussions

Also Published As

Publication number Publication date
GR3020358T3 (en) 1996-09-30
FI932745A (fi) 1993-12-17
CA2098452C (fr) 1997-11-04
DE69302524D1 (de) 1996-06-13
FI104155B (fi) 1999-11-30
AU666014B2 (en) 1996-01-25
US5388842A (en) 1995-02-14
ATE137698T1 (de) 1996-05-15
EP0575270B1 (de) 1996-05-08
AU4127393A (en) 1993-12-23
DE69302524T2 (de) 1996-09-12
FR2692187B1 (fr) 1997-06-20
CA2098452A1 (fr) 1993-12-17
ES2088250T3 (es) 1996-08-01
FI104155B1 (fi) 1999-11-30
FR2692187A1 (fr) 1993-12-17
JPH0639744A (ja) 1994-02-15
FI932745A0 (fi) 1993-06-15
ZA934287B (en) 1994-01-17

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