EP2718064A4 - Percussion device of rock breaking device and method for controlling percussion device - Google Patents

Percussion device of rock breaking device and method for controlling percussion device

Info

Publication number
EP2718064A4
EP2718064A4 EP20120797515 EP12797515A EP2718064A4 EP 2718064 A4 EP2718064 A4 EP 2718064A4 EP 20120797515 EP20120797515 EP 20120797515 EP 12797515 A EP12797515 A EP 12797515A EP 2718064 A4 EP2718064 A4 EP 2718064A4
Authority
EP
European Patent Office
Prior art keywords
percussion device
percussion
controlling
rock breaking
breaking device
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
EP20120797515
Other languages
German (de)
French (fr)
Other versions
EP2718064A1 (en
EP2718064B1 (en
Inventor
Timo Muuttonen
Antti Koskimäki
Markku Keskiniva
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.)
Sandvik Mining and Construction Oy
Original Assignee
Sandvik Mining and Construction Oy
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
Application filed by Sandvik Mining and Construction Oy filed Critical Sandvik Mining and Construction Oy
Publication of EP2718064A1 publication Critical patent/EP2718064A1/en
Publication of EP2718064A4 publication Critical patent/EP2718064A4/en
Application granted granted Critical
Publication of EP2718064B1 publication Critical patent/EP2718064B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B25D9/16—Valve arrangements therefor
    • B25D9/20—Valve arrangements therefor involving a tubular-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
    • B25D9/06—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
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve
    • 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
    • E21B1/00—Percussion drilling
    • E21B1/36—Tool-carrier piston type, i.e. in which the tool is connected to an impulse member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP12797515.9A 2011-06-07 2012-06-06 Percussion device of rock breaking device and method for controlling percussion device Not-in-force EP2718064B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20115550A FI123189B (en) 2011-06-07 2011-06-07 Rock-breaker impactor and method of impact control
PCT/FI2012/050565 WO2012168558A1 (en) 2011-06-07 2012-06-06 Percussion device of rock breaking device and method for controlling percussion device

Publications (3)

Publication Number Publication Date
EP2718064A1 EP2718064A1 (en) 2014-04-16
EP2718064A4 true EP2718064A4 (en) 2014-12-10
EP2718064B1 EP2718064B1 (en) 2015-08-12

Family

ID=44206764

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12797515.9A Not-in-force EP2718064B1 (en) 2011-06-07 2012-06-06 Percussion device of rock breaking device and method for controlling percussion device

Country Status (3)

Country Link
EP (1) EP2718064B1 (en)
FI (1) FI123189B (en)
WO (1) WO2012168558A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3100828B1 (en) * 2014-01-31 2021-09-22 Furukawa Rock Drill Co., Ltd. Hydraulic hammering device
EP4043153A1 (en) * 2021-02-11 2022-08-17 Sandvik Mining and Construction Oy Percussion device and method for controlling the same
EP4191016B1 (en) * 2021-12-03 2024-10-23 Sandvik Mining and Construction Oy Valve cylinder, impact device and method
EP4261441A1 (en) * 2022-04-13 2023-10-18 Sandvik Mining and Construction Oy Control valve, impact device and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030006052A1 (en) * 2001-06-25 2003-01-09 Campbell Paul B. Valve for hydraulic rock drill
JP4494071B2 (en) * 2004-04-08 2010-06-30 株式会社テクノサカト Crusher using hydraulic pressure
FI119398B (en) * 2006-12-21 2008-10-31 Sandvik Mining & Constr Oy The impactor,

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
WO2012168558A1 (en) 2012-12-13
EP2718064A1 (en) 2014-04-16
FI123189B (en) 2012-12-14
EP2718064B1 (en) 2015-08-12
FI20115550A0 (en) 2011-06-07

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