ZA87936B - Hydraulic breaker - Google Patents
Hydraulic breakerInfo
- Publication number
- ZA87936B ZA87936B ZA870936A ZA87936A ZA87936B ZA 87936 B ZA87936 B ZA 87936B ZA 870936 A ZA870936 A ZA 870936A ZA 87936 A ZA87936 A ZA 87936A ZA 87936 B ZA87936 B ZA 87936B
- Authority
- ZA
- South Africa
- Prior art keywords
- hydraulic breaker
- breaker
- hydraulic
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
-
- 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
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
-
- 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
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Percussive Tools And Related Accessories (AREA)
- Circuit Breakers (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5413386A JPS62218081A (ja) | 1986-03-11 | 1986-03-11 | 油圧式ブレ−カ− |
JP22061386A JPS6374580A (ja) | 1986-09-17 | 1986-09-17 | 油圧式ブレ−カ− |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA87936B true ZA87936B (en) | 1987-08-03 |
Family
ID=26394865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA870936A ZA87936B (en) | 1986-03-11 | 1987-02-10 | Hydraulic breaker |
Country Status (9)
Country | Link |
---|---|
US (2) | US4817737A (xx) |
EP (1) | EP0236721A3 (xx) |
KR (1) | KR910007243B1 (xx) |
AU (1) | AU567427B2 (xx) |
BR (1) | BR8700585A (xx) |
CA (1) | CA1266416A (xx) |
FI (1) | FI870495A (xx) |
NO (1) | NO166766C (xx) |
ZA (1) | ZA87936B (xx) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0236721A3 (en) * | 1986-03-11 | 1989-10-25 | NITTETSU JITSUGYO CO., Ltd. | Hydraulic breaker |
EP0335994B2 (en) * | 1988-04-06 | 1996-06-26 | Nippon Pneumatic Manufacturing Co. Ltd. | Hydraulic impact tool |
DE3913866A1 (de) * | 1989-04-27 | 1990-10-31 | Krupp Maschinentechnik | Hydraulisches schlagwerk |
US4930584A (en) * | 1989-05-04 | 1990-06-05 | Easy Industries Co., Ltd. | Cracking device |
JPH03208215A (ja) * | 1990-01-10 | 1991-09-11 | Izumi Seiki Seisakusho:Kk | 油圧式ブレーカー |
US5064005A (en) * | 1990-04-30 | 1991-11-12 | Caterpillar Inc. | Impact hammer and control arrangement therefor |
DE4143418C2 (de) * | 1991-10-23 | 1995-03-16 | Klemm Bohrtech | Drucklufthammer mit veränderbarer Rückhublänge des Arbeitskolbens |
JP2677751B2 (ja) * | 1993-03-11 | 1997-11-17 | 株式会社テイサク | 打撃装置 |
FI941689A (fi) * | 1994-04-13 | 1995-10-14 | Doofor Oy | Menetelmä ja poralaite poranterään välitettävän iskupulssin muodon sovittamiseksi |
FI104959B (fi) * | 1994-06-23 | 2000-05-15 | Sandvik Tamrock Oy | Hydraulinen iskuvasara |
DE4432634A1 (de) * | 1994-09-14 | 1996-03-21 | Schlafhorst & Co W | Kannenlose Vorgarnhandhabung |
FR2727891B1 (fr) * | 1994-12-08 | 1997-01-24 | Montabert Ets | Procede et appareil pour la regulation de la course de frappe d'un appareil a percussion mu par un fluide incompressible sous pression |
JPH08281571A (ja) * | 1995-04-14 | 1996-10-29 | Komatsu Ltd | 振動発生装置 |
FI104960B (fi) * | 1995-07-06 | 2000-05-15 | Sandvik Tamrock Oy | Hydraulinen iskuvasara |
US5893419A (en) * | 1997-01-08 | 1999-04-13 | Fm Industries, Inc. | Hydraulic impact tool |
SG83094A1 (en) * | 1997-04-10 | 2001-09-18 | Jianhua Zhang | Piston valve for multi-type hydraulic piling hammer |
FI107891B (fi) * | 1998-03-30 | 2001-10-31 | Sandvik Tamrock Oy | Painenestekäyttöinen iskulaite |
KR100400385B1 (ko) * | 2001-07-11 | 2003-10-08 | 주식회사 코막 | 유압 브레이커의 유압 컨트롤밸브 |
FI114290B (fi) * | 2003-02-21 | 2004-09-30 | Sandvik Tamrock Oy | Ohjausventtiili ja järjestely iskulaitteessa |
FI115451B (fi) * | 2003-07-07 | 2005-05-13 | Sandvik Tamrock Oy | Iskulaite ja menetelmä jännityspulssin muodostamiseksi iskulaitteessa |
EP1697089B1 (en) * | 2003-12-19 | 2007-11-14 | Clark Equipment Company | Impact tool |
FI116124B (fi) * | 2004-02-23 | 2005-09-30 | Sandvik Tamrock Oy | Painenestekäyttöinen iskulaite |
SE528033C2 (sv) * | 2004-03-12 | 2006-08-15 | Atlas Copco Constr Tools Ab | Hydraulslagverk |
SE528081C2 (sv) * | 2004-08-25 | 2006-08-29 | Atlas Copco Constr Tools Ab | Hydraulisk slagmekanism |
SE527921C2 (sv) * | 2004-10-20 | 2006-07-11 | Atlas Copco Rock Drills Ab | Slagverk |
SE528745C2 (sv) * | 2005-06-22 | 2007-02-06 | Atlas Copco Rock Drills Ab | Ventilanordning för slagverk och slagverk för bergborrmaskin |
CN100457398C (zh) * | 2006-05-25 | 2009-02-04 | 马鞍山市惊天液压机械制造有限公司 | 分体式智能型液压锤 |
FR2902684B1 (fr) * | 2006-06-27 | 2010-02-26 | Montabert Roger | Procede de commutation de la course de frappe d'un appareil a percussions mu par un fluide incompressible sous pression, et appareil pour la mise en oeuvre de ce procede |
KR100901145B1 (ko) | 2007-12-10 | 2009-06-04 | 주식회사 에버다임 | 유압 브레이커 |
US9151386B2 (en) * | 2013-03-15 | 2015-10-06 | Caterpillar Inc. | Accumulator membrane for a hydraulic hammer |
KR101492238B1 (ko) * | 2013-09-10 | 2015-02-16 | 동양중공업(주) | 유압브레이커의 컨트롤밸브 |
EP2873489B1 (en) * | 2013-11-13 | 2018-10-24 | Sandvik Mining and Construction Oy | Impact device and method of dismounting the same |
ES2717762T3 (es) * | 2014-04-11 | 2019-06-25 | Comelz Spa | Dispositivo de corte para máquinas para cortar pieles y materiales similares |
EP3023199B1 (en) * | 2014-11-20 | 2019-02-27 | Sandvik Mining and Construction Oy | Percussion piston and method of use |
US20160199969A1 (en) * | 2015-01-12 | 2016-07-14 | Caterpillar Inc. | Hydraulic hammer having variable stroke control |
FR3037345B1 (fr) * | 2015-06-11 | 2017-06-23 | Montabert Roger | Appareil hydraulique a percussions |
US11052524B2 (en) * | 2015-07-13 | 2021-07-06 | Furukawa Rock Drill Co., Ltd. | Hydraulic hammering device |
US10363651B2 (en) * | 2015-09-28 | 2019-07-30 | Caterpillar Inc. | Hammer assembly |
US20180133882A1 (en) * | 2016-11-16 | 2018-05-17 | Caterpillar Inc. | Hydraulic hammer and sleeve therefor |
CN110177658B (zh) | 2017-01-12 | 2022-12-20 | 古河凿岩机械有限公司 | 液压式冲击装置 |
RU188777U1 (ru) * | 2017-07-06 | 2019-04-23 | Общество С Ограниченной Ответственностью Управляющая Компания "Традиция" (Ооо Ук "Традиция") | Гидромолот |
WO2019022021A1 (ja) * | 2017-07-24 | 2019-01-31 | 古河ロックドリル株式会社 | 液圧式打撃装置 |
KR101907432B1 (ko) * | 2017-07-24 | 2018-10-12 | 주식회사수산중공업 | 유압 타격 장치 |
WO2022146353A1 (en) * | 2020-12-31 | 2022-07-07 | Inan Makina Sanayi Ve Ticaret Anonim Sirketi | Hydraulic rock breaker with anti-blank firing system |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US934640A (en) * | 1909-02-18 | 1909-09-21 | Thos H Dallett Co | Pneumatic tool. |
US2228338A (en) * | 1940-08-03 | 1941-01-14 | Ingersoll Rand Co | Rock drill |
DE1243118B (de) * | 1958-11-17 | 1967-06-22 | Ingbuero Dipl Ing Friedrich He | Steuerung fuer hydraulisch betriebene Schlagvorrichtungen, insbesondere fuer handgefuehrte Schlagwerkzeuge mit in einer Fuehrung laengsverschieblich gelagertem Einsteckwerkzeug |
DE1916860A1 (de) * | 1969-04-02 | 1970-10-15 | Demag Ag | Druckmittelbetriebener Freifallbaer mit expansionsgesteuertem Kolbenschieber |
US3774502A (en) * | 1971-05-14 | 1973-11-27 | Krupp Gmbh | Hydraulic percussion device with pressure-responsive control of impact frequency |
US3780621A (en) * | 1971-06-07 | 1973-12-25 | Atlas Copco Ab | Hydraulic fluid actuated percussion tool |
FI50390C (fi) * | 1973-09-14 | 1976-03-10 | Murskauskone Oy | Hydraulisesti käytetty iskulaite |
GB1501092A (en) * | 1974-03-19 | 1978-02-15 | Keelavite Hydraulics Ltd | Hydraulic reciprocating apparatus |
FI50307C (fi) * | 1974-04-20 | 1976-02-10 | Xandor Ag | Hydraulisesti käytetty iskulaite |
GB1450972A (en) * | 1974-06-11 | 1976-09-29 | Klemm G | Percussive tool |
JPS5432192B2 (xx) * | 1975-03-18 | 1979-10-12 | ||
FI751895A (xx) * | 1975-06-26 | 1976-12-27 | Xandor Ag | |
US3995700A (en) * | 1975-10-14 | 1976-12-07 | Gardner-Denver Company | Hydraulic rock drill system |
ZA761650B (en) * | 1976-03-17 | 1977-07-27 | Steel Eng Co Ltd | Hydraulic percussive machines |
US4172411A (en) * | 1976-06-09 | 1979-10-30 | Mitsui Engineering & Shipbuilding Co., Ltd. | Hydraulic hammer |
ES464093A1 (es) * | 1977-11-12 | 1978-12-16 | Luis Miguel Castejon Castan | Perfeccionamientos en los sistemas de fluidos alternantes y aparato para su realizacion. |
US4314612A (en) * | 1978-07-20 | 1982-02-09 | Battelle Development Corporation | Hydraulic linear impact tool |
FI72908C (fi) * | 1979-06-29 | 1987-08-10 | Rammer Oy | Hydraulisk slagmaskin. |
US4466493A (en) * | 1981-12-17 | 1984-08-21 | Hed Corporation | Reciprocating linear fluid motor |
SU1161369A1 (ru) * | 1983-09-09 | 1985-06-15 | Всесоюзный Научно-Исследовательский И Проектно-Конструкторский Институт Горнорудного Машиностроения | Гидравлический ударный механизм |
DE3443542A1 (de) * | 1984-11-29 | 1986-06-05 | Fried. Krupp Gmbh, 4300 Essen | Hydraulische schlagvorrichtung |
EP0236721A3 (en) * | 1986-03-11 | 1989-10-25 | NITTETSU JITSUGYO CO., Ltd. | Hydraulic breaker |
-
1987
- 1987-02-02 EP EP87101376A patent/EP0236721A3/en not_active Withdrawn
- 1987-02-06 CA CA000529204A patent/CA1266416A/en not_active Expired - Fee Related
- 1987-02-06 FI FI870495A patent/FI870495A/fi not_active Application Discontinuation
- 1987-02-09 NO NO870491A patent/NO166766C/no unknown
- 1987-02-09 AU AU68607/87A patent/AU567427B2/en not_active Ceased
- 1987-02-10 US US07/013,442 patent/US4817737A/en not_active Expired - Fee Related
- 1987-02-10 BR BR8700585A patent/BR8700585A/pt not_active IP Right Cessation
- 1987-02-10 ZA ZA870936A patent/ZA87936B/xx unknown
- 1987-02-10 KR KR1019870001093A patent/KR910007243B1/ko not_active IP Right Cessation
-
1988
- 1988-12-27 US US07/290,194 patent/US4951757A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NO870491L (no) | 1987-09-14 |
NO166766B (no) | 1991-05-27 |
AU6860787A (en) | 1987-09-17 |
US4951757A (en) | 1990-08-28 |
EP0236721A2 (en) | 1987-09-16 |
EP0236721A3 (en) | 1989-10-25 |
NO870491D0 (no) | 1987-02-09 |
AU567427B2 (en) | 1987-11-19 |
KR910007243B1 (ko) | 1991-09-24 |
US4817737A (en) | 1989-04-04 |
CA1266416A (en) | 1990-03-06 |
BR8700585A (pt) | 1987-12-29 |
FI870495A0 (fi) | 1987-02-06 |
NO166766C (no) | 1991-09-04 |
KR870009141A (ko) | 1987-10-23 |
FI870495A (fi) | 1987-09-12 |
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