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CL2013000658A1 - A rock drill that includes an impact piston driven by a fluid system, a stroke length control mechanism, a structure that defines a chamber such that the back pressure of a rock face is applied to the chamber fluid , which is fluidly connected to the control mechanism. - Google Patents

A rock drill that includes an impact piston driven by a fluid system, a stroke length control mechanism, a structure that defines a chamber such that the back pressure of a rock face is applied to the chamber fluid , which is fluidly connected to the control mechanism.

Info

Publication number
CL2013000658A1
CL2013000658A1 CL2013000658A CL2013000658A CL2013000658A1 CL 2013000658 A1 CL2013000658 A1 CL 2013000658A1 CL 2013000658 A CL2013000658 A CL 2013000658A CL 2013000658 A CL2013000658 A CL 2013000658A CL 2013000658 A1 CL2013000658 A1 CL 2013000658A1
Authority
CL
Chile
Prior art keywords
control mechanism
chamber
fluid
rock
defines
Prior art date
Application number
CL2013000658A
Other languages
Spanish (es)
Inventor
Alexander Sangster
Dechun Kang
Geoffrey Whyte
Original Assignee
Rockdrill Services Australia Pty Ltd
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
Priority claimed from AU2010904066A external-priority patent/AU2010904066A0/en
Application filed by Rockdrill Services Australia Pty Ltd filed Critical Rockdrill Services Australia Pty Ltd
Publication of CL2013000658A1 publication Critical patent/CL2013000658A1/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • E21B6/06—Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
    • E21B6/08—Separate drives for percussion and rotation
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/02—Automatic control of the tool feed
    • E21B44/06—Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
    • 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
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve
    • 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)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Automation & Control Theory (AREA)
  • Earth Drilling (AREA)
CL2013000658A 2010-09-10 2013-03-08 A rock drill that includes an impact piston driven by a fluid system, a stroke length control mechanism, a structure that defines a chamber such that the back pressure of a rock face is applied to the chamber fluid , which is fluidly connected to the control mechanism. CL2013000658A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU2010904066A AU2010904066A0 (en) 2010-09-10 Improved rock drill

Publications (1)

Publication Number Publication Date
CL2013000658A1 true CL2013000658A1 (en) 2013-08-23

Family

ID=45810007

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2013000658A CL2013000658A1 (en) 2010-09-10 2013-03-08 A rock drill that includes an impact piston driven by a fluid system, a stroke length control mechanism, a structure that defines a chamber such that the back pressure of a rock face is applied to the chamber fluid , which is fluidly connected to the control mechanism.

Country Status (8)

Country Link
US (1) US20140144660A1 (en)
EP (1) EP2614217A4 (en)
JP (1) JP2013537266A (en)
CN (1) CN103097654A (en)
AU (1) AU2011301130A1 (en)
CA (1) CA2810914A1 (en)
CL (1) CL2013000658A1 (en)
WO (1) WO2012031311A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140262395A1 (en) * 2013-03-12 2014-09-18 Caterpillar Global Mining Equipment LLC. Drilling apparatus
WO2015039162A1 (en) * 2013-09-23 2015-03-26 Rockdrill Services Australia Pty Ltd Percussion device
KR102224271B1 (en) * 2014-01-31 2021-03-05 후루까와 로크 드릴 가부시끼가이샤 Hydraulic hammering device
FR3026041B1 (en) * 2014-09-18 2017-03-31 Montabert Roger HYDRAULIC PERFORATION APPARATUS FOR PERFORATING MINE HOLES
US10370900B2 (en) 2015-07-31 2019-08-06 Tei Rock Drills, Inc. Remote control of stroke and frequency of percussion apparatus and methods thereof
ES2927066T3 (en) * 2016-08-31 2022-11-02 Furukawa Rock Drill Co Ltd hydraulic hammer device
EP4339416B1 (en) * 2020-03-30 2025-05-14 Mincon International Limited Flushing and connection arrangements for percussion drill tools
CN113404740A (en) * 2021-06-30 2021-09-17 湖南烈岩科技有限公司 Buffer mechanism for hydraulic rock drill
CN114562197B (en) * 2022-03-02 2024-11-12 桂林中旺机械制造有限公司 Hydraulic rock drill with back-hitting function
CN116537777B (en) * 2023-02-06 2025-10-03 福建兴万祥建设集团有限公司 A drilling device for iron ore mining
CN117249134B (en) * 2023-09-20 2024-09-20 四川蓝海智能装备制造有限公司 Hydraulic control system of rock drill and control method thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB156332A (en) * 1919-10-07 1921-01-07 Charles John Olson Automatic regulating valve
US4006783A (en) * 1975-03-17 1977-02-08 Linden-Alimak Ab Hydraulic operated rock drilling apparatus
SE8106907L (en) * 1981-11-20 1983-05-21 Atlas Copco Ab WAY TO CONTROL A PERFORMANCE AND PERFORMANCE
FR2595972B2 (en) * 1985-07-16 1989-10-20 Montabert Ets PERCUSSION APPARATUS
FR2602448B1 (en) * 1986-08-07 1988-10-21 Montabert Ets METHOD FOR REGULATING THE PERCUSSION PARAMETERS OF THE STRIKE PISTON OF AN APPARATUS MOVED BY AN INCOMPRESSIBLE PRESSURE FLUID, AND APPARATUS FOR CARRYING OUT SAID METHOD
JP2759497B2 (en) * 1989-05-10 1998-05-28 マツダアステック株式会社 Impact tool
CN2080099U (en) * 1990-09-15 1991-07-03 党治国 Plunger slide valve high efficienty pneumatic impact mechanism
CN1049471C (en) * 1996-02-02 2000-02-16 中南工业大学 Hydraulic impact device for stepless independently regulating impact energy and impact frequency
JP3967182B2 (en) * 2002-04-17 2007-08-29 古河機械金属株式会社 Stroke adjustment mechanism of hydraulic striking device
JP2005177899A (en) * 2003-12-17 2005-07-07 Konan Electric Co Ltd Hydraulic hammering device
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
SE530524C2 (en) * 2006-09-13 2008-07-01 Atlas Copco Rock Drills Ab Percussion, rock drilling machine including such percussion and method for controlling percussion

Also Published As

Publication number Publication date
EP2614217A4 (en) 2015-10-07
CN103097654A (en) 2013-05-08
WO2012031311A1 (en) 2012-03-15
JP2013537266A (en) 2013-09-30
CA2810914A1 (en) 2012-03-15
EP2614217A1 (en) 2013-07-17
AU2011301130A1 (en) 2013-03-07
US20140144660A1 (en) 2014-05-29

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