JP2003025251A5 - - Google Patents

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Publication number
JP2003025251A5
JP2003025251A5 JP2002137661A JP2002137661A JP2003025251A5 JP 2003025251 A5 JP2003025251 A5 JP 2003025251A5 JP 2002137661 A JP2002137661 A JP 2002137661A JP 2002137661 A JP2002137661 A JP 2002137661A JP 2003025251 A5 JP2003025251 A5 JP 2003025251A5
Authority
JP
Japan
Prior art keywords
piston
striking
working
spool
return
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
JP2002137661A
Other languages
English (en)
Japanese (ja)
Other versions
JP4118594B2 (ja
JP2003025251A (ja
Filing date
Publication date
Priority claimed from DE10123202A external-priority patent/DE10123202A1/de
Application filed filed Critical
Publication of JP2003025251A publication Critical patent/JP2003025251A/ja
Publication of JP2003025251A5 publication Critical patent/JP2003025251A5/ja
Application granted granted Critical
Publication of JP4118594B2 publication Critical patent/JP4118594B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

JP2002137661A 2001-05-12 2002-05-13 流体作動式の打撃装置を空打ちに対して防護するための方法および装置 Expired - Fee Related JP4118594B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10123202A DE10123202A1 (de) 2001-05-12 2001-05-12 Verfahren und Vorrichtung zur Absicherung eines fluidbetriebenen Schlagwerks gegen Leerschläge
DE10123202.0 2001-05-12

Publications (3)

Publication Number Publication Date
JP2003025251A JP2003025251A (ja) 2003-01-29
JP2003025251A5 true JP2003025251A5 (enExample) 2005-09-15
JP4118594B2 JP4118594B2 (ja) 2008-07-16

Family

ID=7684592

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002137661A Expired - Fee Related JP4118594B2 (ja) 2001-05-12 2002-05-13 流体作動式の打撃装置を空打ちに対して防護するための方法および装置

Country Status (5)

Country Link
US (1) US6672403B2 (enExample)
EP (1) EP1256419B1 (enExample)
JP (1) JP4118594B2 (enExample)
DE (2) DE10123202A1 (enExample)
ES (1) ES2325765T3 (enExample)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004035289A1 (de) * 2004-07-21 2006-02-16 Kennametal Widia Gmbh & Co.Kg Werkzeug
DE102004035306A1 (de) * 2004-07-21 2006-03-16 Atlas Copco Construction Tools Gmbh Druckmittelbetriebene Schlagvorrichtung insbesondere Hydraulikhammer
SE528745C2 (sv) * 2005-06-22 2007-02-06 Atlas Copco Rock Drills Ab Ventilanordning för slagverk och slagverk för bergborrmaskin
DE102005028918A1 (de) * 2005-06-22 2006-12-28 Wacker Construction Equipment Ag Bohr- und/oder Schlaghammer mit Leerlaufsteuerung
CN101384825B (zh) * 2006-02-21 2011-11-16 费斯托股份有限两合公司 气动驱动系统
FI123634B (fi) * 2007-10-05 2013-08-30 Sandvik Mining & Constr Oy Kallionrikkomislaite, suojaventtiili sekä menetelmä kallionrikkomislaitteen käyttämiseksi
AU2009232467B2 (en) * 2008-03-31 2014-11-20 Atlas Copco Airpower, Naamloze Venootschap Percussion tool
KR101058181B1 (ko) 2009-05-04 2011-08-22 대모 엔지니어링 주식회사 브레이커용 밸브 시스템
US8939227B2 (en) 2010-12-23 2015-01-27 Caterpillar Inc. Pressure protection valve for hydraulic tool
FR2983760B1 (fr) * 2011-12-09 2014-08-15 Montabert Roger Procede de commutation de la course de frappe d'un piston de frappe d’un appareil a percussions
ITBA20120019A1 (it) * 2012-03-21 2013-09-22 Tecna Group Srl Demolitore per escavatori con circuito idraulico ottimizzato
DE102012012297A1 (de) * 2012-03-30 2013-10-02 Atlas Copco Construction Tools Gmbh Ventil
FR3007154B1 (fr) * 2013-06-12 2015-06-05 Montabert Roger Procede de commande de l’energie d’impact d’un piston de frappe d’un appareil a percussions
SE537608C2 (sv) * 2013-11-01 2015-07-28 Tools Pc Ab Const Pneumatisk slaganordning och förfarande vid pneumatisk slaganordning
US9701003B2 (en) * 2014-05-23 2017-07-11 Caterpillar Inc. Hydraulic hammer having delayed automatic shutoff
US20160221171A1 (en) * 2015-02-02 2016-08-04 Caterpillar Inc. Hydraulic hammer having dual valve acceleration control system
KR101550899B1 (ko) * 2015-07-23 2015-09-08 대모 엔지니어링 주식회사 2단 자동 행정을 갖는 유압 브레이커
US11590642B2 (en) * 2017-07-24 2023-02-28 Furukawa Rock Drill Co., Ltd. Hydraulic hammering device
CN109458365B (zh) * 2018-12-24 2024-02-02 江苏徐工工程机械研究院有限公司 工程机械液压系统以及工程机械
JP7359584B2 (ja) * 2019-07-23 2023-10-11 古河ロックドリル株式会社 液圧式打撃装置
JP7390940B2 (ja) * 2020-03-12 2023-12-04 古河ロックドリル株式会社 液圧式打撃装置
JP7431067B2 (ja) * 2020-03-13 2024-02-14 古河ロックドリル株式会社 液圧式打撃装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4026193A (en) * 1974-09-19 1977-05-31 Raymond International Inc. Hydraulically driven hammer system
US5064005A (en) * 1990-04-30 1991-11-12 Caterpillar Inc. Impact hammer and control arrangement therefor
US5474138A (en) * 1993-12-08 1995-12-12 J & M Hydraulics, Inc. Hydraulic control circuit for pile driver
DE4343589C1 (de) * 1993-12-21 1995-04-27 Klemm Guenter Fluidbetätigter Schlaghammer
DE19529538A1 (de) * 1995-08-11 1997-02-13 Delmag Maschinenfabrik Ramme
EP0919339A1 (en) * 1996-07-25 1999-06-02 Komatsu Ltd. Hydraulically operated breaker with lost-motion prevention device
JPH1080878A (ja) 1996-09-05 1998-03-31 Furukawa Co Ltd 液圧式打撃装置
DE19636659C2 (de) * 1996-09-10 2000-11-23 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk mit automatischer Hubumschaltung
DE19803449A1 (de) * 1998-01-30 1999-08-05 Krupp Berco Bautechnik Gmbh Druckmittelbetriebene Schlagvorrichtung
DE19804078A1 (de) * 1998-02-03 1999-08-05 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk
DE10013270A1 (de) * 2000-03-17 2001-09-20 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk
US6491114B1 (en) * 2000-10-03 2002-12-10 Npk Construction Equipment, Inc. Slow start control for a hydraulic hammer

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