EP0475171A3 - Hydraulically operated percussion mechanism - Google Patents
Hydraulically operated percussion mechanism Download PDFInfo
- Publication number
- EP0475171A3 EP0475171A3 EP19910114231 EP91114231A EP0475171A3 EP 0475171 A3 EP0475171 A3 EP 0475171A3 EP 19910114231 EP19910114231 EP 19910114231 EP 91114231 A EP91114231 A EP 91114231A EP 0475171 A3 EP0475171 A3 EP 0475171A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- contact
- conduit
- pressure
- stroke
- control
- 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
Links
- 238000009527 percussion Methods 0.000 title abstract 5
- 230000037431 insertion Effects 0.000 abstract 2
- 238000003780 insertion Methods 0.000 abstract 2
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
- B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Percussive Tools And Related Accessories (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4028595A DE4028595A1 (en) | 1990-09-08 | 1990-09-08 | HYDRAULICALLY OPERATED PERFORMANCE |
DE4028595 | 1990-09-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0475171A2 EP0475171A2 (en) | 1992-03-18 |
EP0475171A3 true EP0475171A3 (en) | 1992-05-20 |
EP0475171B1 EP0475171B1 (en) | 1995-10-11 |
Family
ID=6413902
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91114231A Expired - Lifetime EP0475171B1 (en) | 1990-09-08 | 1991-08-24 | Hydraulically operated percussion mechanism |
Country Status (5)
Country | Link |
---|---|
US (1) | US5129466A (en) |
EP (1) | EP0475171B1 (en) |
JP (1) | JPH05138549A (en) |
AT (1) | ATE128895T1 (en) |
DE (2) | DE4028595A1 (en) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5398772A (en) * | 1993-07-01 | 1995-03-21 | Reedrill, Inc. | Impact hammer |
SE508064C2 (en) * | 1993-10-15 | 1998-08-17 | Atlas Copco Rock Drills Ab | Rock drilling device with reflex damper |
DE4343589C1 (en) * | 1993-12-21 | 1995-04-27 | Klemm Guenter | Fluid operated hammer |
ES2144125T3 (en) * | 1994-02-28 | 2000-06-01 | Berema Atlas Copco Ab | VALVE SYSTEM IN COMPRESSED AIR ENGINES. |
DE4424081C2 (en) * | 1994-07-08 | 1996-08-14 | Klemm Bohrtech | Fluid operated hammer |
ES2154341T3 (en) * | 1995-06-21 | 2001-04-01 | Hydropulsor Ab | PERCUSSION MACHINE |
US5752571A (en) * | 1995-12-15 | 1998-05-19 | Sapozhnikov; Zinoviy A. | Apparatus for generating impacts |
KR100260308B1 (en) * | 1997-06-11 | 2000-07-01 | 최해성 | Hydraulic hammer having improved seal ring |
JP3817617B2 (en) * | 1999-05-10 | 2006-09-06 | 新日本製鐵株式会社 | Drilling device |
DE19923680B4 (en) * | 1999-05-22 | 2004-02-26 | Atlas Copco Construction Tools Gmbh | Method for determining the operating time and the operating state of a hydraulic impact unit, in particular hydraulic hammer, and device for carrying out the method |
US6308779B1 (en) | 1999-09-16 | 2001-10-30 | Mcneilly A. Keith | Hydraulically driven fishing jars |
AUPR430201A0 (en) * | 2001-04-09 | 2001-05-17 | Russell Mineral Equipment Pty Ltd | Linerbolt removing tool |
US6932166B1 (en) * | 2002-12-03 | 2005-08-23 | Paul Kirsch | Pneumatic tool |
FI116968B (en) * | 2004-07-02 | 2006-04-28 | Sandvik Tamrock Oy | Procedure for control of impactor, program product and impactor |
FI121027B (en) * | 2004-09-24 | 2010-06-15 | Sandvik Mining & Constr Oy | Procedure for controlling striking rock drilling, software product and rock drilling device |
FI123740B (en) * | 2005-01-05 | 2013-10-15 | Sandvik Mining & Constr Oy | A method for controlling a pressurized fluid impactor and impactor |
FI118052B (en) * | 2005-06-27 | 2007-06-15 | Sandvik Tamrock Oy | A method and software product for positioning a drilling unit and a rock drilling machine |
SE529615C2 (en) * | 2006-02-20 | 2007-10-09 | Atlas Copco Rock Drills Ab | Percussion and rock drill and method for controlling the stroke of the piston |
SE530781C2 (en) * | 2007-01-11 | 2008-09-09 | Atlas Copco Rock Drills Ab | Rock drilling equipment and method associated with this |
SE534815C2 (en) * | 2010-05-03 | 2012-01-10 | Atlas Copco Rock Drills Ab | Rock drill with damper piston |
SE535801C2 (en) * | 2011-04-27 | 2012-12-27 | Atlas Copco Rock Drills Ab | Percussion, rock drill and drill rig |
CN105916633B (en) * | 2014-01-31 | 2017-11-14 | 古河凿岩机械有限公司 | Fluid pressure type percussion mechanism |
KR102317232B1 (en) * | 2020-01-08 | 2021-10-22 | 주식회사 현대에버다임 | Hydraulic Breaker |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2658455A1 (en) * | 1976-12-23 | 1978-06-29 | Krupp Gmbh | PRESSURIZED IMPACT GEAR WITH REMOTE-CONTROLLED LIFT ADJUSTMENT |
EP0080446A2 (en) * | 1981-11-20 | 1983-06-01 | Atlas Copco Aktiebolag | Method of controlling an impact motor and an impact motor |
DE3523219C1 (en) * | 1985-06-28 | 1986-06-26 | Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen | Hydraulic excavator |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2355617A1 (en) * | 1975-12-18 | 1978-01-20 | Montabert Roger | Percussion tool with bit operated by double acting piston - has stepped dia. annular chamber filled with incompressible fluid to absorb shock |
US4187917A (en) * | 1977-11-30 | 1980-02-12 | Hydroacoustics, Inc. | Pile driver |
US4231434A (en) * | 1978-02-21 | 1980-11-04 | Justus Edgar J | Hydraulic impact device |
US4314612A (en) * | 1978-07-20 | 1982-02-09 | Battelle Development Corporation | Hydraulic linear impact tool |
SE420057B (en) * | 1980-02-20 | 1981-09-14 | Atlas Copco Ab | HYDRAULIC SHIPPING WITH POSSIBILITY TO REGULATE SHOCK ENERGY |
US4429751A (en) * | 1981-10-26 | 1984-02-07 | Conmaco, Inc. | Control system for pile hammers |
US4466493A (en) * | 1981-12-17 | 1984-08-21 | Hed Corporation | Reciprocating linear fluid motor |
-
1990
- 1990-09-08 DE DE4028595A patent/DE4028595A1/en active Granted
-
1991
- 1991-08-24 DE DE59106668T patent/DE59106668D1/en not_active Expired - Fee Related
- 1991-08-24 AT AT91114231T patent/ATE128895T1/en not_active IP Right Cessation
- 1991-08-24 EP EP91114231A patent/EP0475171B1/en not_active Expired - Lifetime
- 1991-09-04 JP JP3224102A patent/JPH05138549A/en active Pending
- 1991-09-09 US US07/756,802 patent/US5129466A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2658455A1 (en) * | 1976-12-23 | 1978-06-29 | Krupp Gmbh | PRESSURIZED IMPACT GEAR WITH REMOTE-CONTROLLED LIFT ADJUSTMENT |
EP0080446A2 (en) * | 1981-11-20 | 1983-06-01 | Atlas Copco Aktiebolag | Method of controlling an impact motor and an impact motor |
DE3523219C1 (en) * | 1985-06-28 | 1986-06-26 | Ing. Günter Klemm, Spezialunternehmen für Bohrtechnik, 5962 Drolshagen | Hydraulic excavator |
Also Published As
Publication number | Publication date |
---|---|
EP0475171A2 (en) | 1992-03-18 |
JPH05138549A (en) | 1993-06-01 |
DE4028595C2 (en) | 1993-08-05 |
EP0475171B1 (en) | 1995-10-11 |
DE59106668D1 (en) | 1995-11-16 |
ATE128895T1 (en) | 1995-10-15 |
US5129466A (en) | 1992-07-14 |
DE4028595A1 (en) | 1992-03-12 |
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