EP2614217A4 - IMPROVED STONE DRILL - Google Patents

IMPROVED STONE DRILL

Info

Publication number
EP2614217A4
EP2614217A4 EP11822919.4A EP11822919A EP2614217A4 EP 2614217 A4 EP2614217 A4 EP 2614217A4 EP 11822919 A EP11822919 A EP 11822919A EP 2614217 A4 EP2614217 A4 EP 2614217A4
Authority
EP
European Patent Office
Prior art keywords
rock drill
improved rock
improved
drill
rock
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.)
Withdrawn
Application number
EP11822919.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2614217A1 (en
Inventor
Alexander Sangster
Dechun Kang
Geoffrey Whyte
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.)
Rockdrill Services Australia Pty Ltd
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 EP2614217A1 publication Critical patent/EP2614217A1/en
Publication of EP2614217A4 publication Critical patent/EP2614217A4/en
Withdrawn legal-status Critical Current

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)
EP11822919.4A 2010-09-10 2011-02-28 IMPROVED STONE DRILL Withdrawn EP2614217A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2010904066A AU2010904066A0 (en) 2010-09-10 Improved rock drill
PCT/AU2011/000220 WO2012031311A1 (en) 2010-09-10 2011-02-28 Improved rock drill

Publications (2)

Publication Number Publication Date
EP2614217A1 EP2614217A1 (en) 2013-07-17
EP2614217A4 true EP2614217A4 (en) 2015-10-07

Family

ID=45810007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11822919.4A Withdrawn EP2614217A4 (en) 2010-09-10 2011-02-28 IMPROVED STONE DRILL

Country Status (8)

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

Families Citing this family (10)

* 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
US10493610B2 (en) * 2014-01-31 2019-12-03 Furukawa Rock Drill Co., Ltd. Hydraulic hammering device
FR3026041B1 (fr) * 2014-09-18 2017-03-31 Montabert Roger Appareil de perforation hydraulique destine a la perforation de trous de mine
FI3328591T3 (fi) 2015-07-31 2024-03-25 Tei Rock Drills Inc Iskulaitteen iskun ja taajuuden kaukosäätö sekä sen menetelmiä
EP3508308B1 (en) * 2016-08-31 2022-08-17 Furukawa Rock Drill Co., Ltd. Hydraulic striking device
JP7728791B2 (ja) * 2020-03-30 2025-08-25 ミンコン インターナショナル リミテッド パーカッションドリル用ツールのフラッシングおよび接続アレンジメント
CN114562197B (zh) * 2022-03-02 2024-11-12 桂林中旺机械制造有限公司 具有返打功能的液压凿岩机
CN116537777B (zh) * 2023-02-06 2025-10-03 福建兴万祥建设集团有限公司 一种用于铁矿石开采的穿凿装置
CN117249134B (zh) * 2023-09-20 2024-09-20 四川蓝海智能装备制造有限公司 凿岩机液压控制系统及其控制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080446A2 (en) * 1981-11-20 1983-06-01 Atlas Copco Aktiebolag Method of controlling an impact motor and an impact motor
JP2003311651A (ja) * 2002-04-17 2003-11-05 Furukawa Co Ltd 液圧式打撃装置のストローク調整機構
DE112004002298T5 (de) * 2003-12-17 2006-09-28 Konan Construction Machinery Co., Ltd., Kobe Hydraulische Schlagvorrichtung

Family Cites Families (9)

* 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
FR2595972B2 (fr) * 1985-07-16 1989-10-20 Montabert Ets Appareil a percussions
FR2602448B1 (fr) * 1986-08-07 1988-10-21 Montabert Ets Procede de regulation des parametres de percussion du piston de frappe d'un appareil mu par un fluide incompressible sous pression, et appareil pour la mise en oeuvre de ce procede
JP2759497B2 (ja) * 1989-05-10 1998-05-28 マツダアステック株式会社 打撃工具
CN2080099U (zh) * 1990-09-15 1991-07-03 党治国 柱塞滑阀高效气动冲击机构
CN1049471C (zh) * 1996-02-02 2000-02-16 中南工业大学 液压冲击装置
SE529615C2 (sv) * 2006-02-20 2007-10-09 Atlas Copco Rock Drills Ab Slagverk och bergborrmaskin samt förfarande för att styra slagkolvens slaglängd
SE530524C2 (sv) * 2006-09-13 2008-07-01 Atlas Copco Rock Drills Ab Slagverk, bergborrmaskin inkluderande ett dylikt slagverk och förfarande för styrning av ett slagverk

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0080446A2 (en) * 1981-11-20 1983-06-01 Atlas Copco Aktiebolag Method of controlling an impact motor and an impact motor
JP2003311651A (ja) * 2002-04-17 2003-11-05 Furukawa Co Ltd 液圧式打撃装置のストローク調整機構
DE112004002298T5 (de) * 2003-12-17 2006-09-28 Konan Construction Machinery Co., Ltd., Kobe Hydraulische Schlagvorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012031311A1 *

Also Published As

Publication number Publication date
US20140144660A1 (en) 2014-05-29
EP2614217A1 (en) 2013-07-17
CN103097654A (zh) 2013-05-08
CA2810914A1 (en) 2012-03-15
JP2013537266A (ja) 2013-09-30
AU2011301130A1 (en) 2013-03-07
CL2013000658A1 (es) 2013-08-23
WO2012031311A1 (en) 2012-03-15

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Legal Events

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Ipc: B25D 9/26 20060101ALI20150901BHEP

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