ZA200403273B - Percussion device with a control valve for two alternately striking pistons. - Google Patents

Percussion device with a control valve for two alternately striking pistons.

Info

Publication number
ZA200403273B
ZA200403273B ZA200403273A ZA200403273A ZA200403273B ZA 200403273 B ZA200403273 B ZA 200403273B ZA 200403273 A ZA200403273 A ZA 200403273A ZA 200403273 A ZA200403273 A ZA 200403273A ZA 200403273 B ZA200403273 B ZA 200403273B
Authority
ZA
South Africa
Prior art keywords
percussion
control valve
percussion device
pistons
alternately striking
Prior art date
Application number
ZA200403273A
Other languages
English (en)
Inventor
Esa Rantala
Jarmo Heinonen
Antti Koskimaki
Original Assignee
Sandvik Tamrock 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 Tamrock Oy filed Critical Sandvik Tamrock Oy
Publication of ZA200403273B publication Critical patent/ZA200403273B/xx

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
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Fluid-Driven Valves (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Superstructure Of Vehicle (AREA)
ZA200403273A 2001-11-07 2004-04-30 Percussion device with a control valve for two alternately striking pistons. ZA200403273B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20012156A FI115957B (fi) 2001-11-07 2001-11-07 Kaksimäntäinen iskulaite

Publications (1)

Publication Number Publication Date
ZA200403273B true ZA200403273B (en) 2004-06-08

Family

ID=8562204

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200403273A ZA200403273B (en) 2001-11-07 2004-04-30 Percussion device with a control valve for two alternately striking pistons.

Country Status (12)

Country Link
US (1) US7464635B2 (fr)
EP (1) EP1503883B1 (fr)
JP (1) JP4242770B2 (fr)
CN (1) CN100410025C (fr)
AT (1) ATE401994T1 (fr)
AU (1) AU2002340982B2 (fr)
CA (1) CA2465400C (fr)
DE (1) DE60227843D1 (fr)
FI (1) FI115957B (fr)
NO (1) NO328866B1 (fr)
WO (1) WO2003039814A1 (fr)
ZA (1) ZA200403273B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI119398B (fi) * 2006-12-21 2008-10-31 Sandvik Mining & Constr Oy Iskulaite
FI123634B (fi) * 2007-10-05 2013-08-30 Sandvik Mining & Constr Oy Kallionrikkomislaite, suojaventtiili sekä menetelmä kallionrikkomislaitteen käyttämiseksi
SE536903C2 (sv) * 2012-11-28 2014-10-21 Atlas Copco Rock Drills Ab Anordning vid fördelningsventil för en bergborrmaskin och bergborrmaskin
CA3146951A1 (fr) 2014-03-27 2015-10-01 Techtronic Power Tools Technology Limited Dispositif d'entrainement d'attache motorise et son procede de fonctionnement
EP3323564B1 (fr) * 2015-07-13 2022-03-23 Furukawa Rock Drill Co., Ltd. Dispositif de martelage hydraulique
KR101712584B1 (ko) * 2015-11-16 2017-03-06 한국생산기술연구원 다중 유압 브레이커를 구비하는 타격 장치 및, 이를 이용하는 타격 방법
WO2018003668A1 (fr) 2016-06-28 2018-01-04 古河ロックドリル株式会社 Dispositif de frappe hydraulique à deux pistons
EP3569362B1 (fr) 2017-01-12 2023-01-11 Furukawa Rock Drill Co., Ltd. Dispositif de percussion hydraulique

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2660955A (en) * 1950-06-27 1953-12-01 Hydropress Inc Hydraulic machine
GB1098288A (en) * 1965-11-19 1968-01-10 Dowty Technical Dev Ltd Fluid actuated vibrator devices
US3864852A (en) 1973-03-27 1975-02-11 Btr Industries Ltd Hydraulic oscillator for digging bucket teeth
FR2263398A1 (en) * 1974-03-04 1975-10-03 Victor Products Ltd Hydraulic percussive tool - has changeover valve for driving moving parts to and fro
SE410209B (sv) 1974-06-13 1979-10-01 Inst Gornogo Dela Sibirskogo O Slagborrmaskin
US4477232A (en) * 1983-01-10 1984-10-16 Mayer James R Hydraulically actuated reciprocating piston pump
CN86202542U (zh) * 1986-05-09 1988-02-10 奚志庚 一种芯阀式手持液压镐
US4852960A (en) * 1987-03-11 1989-08-01 American Telephone And Telegraph Company, At&T Bell Laboratories Narrow-linewidth resonant optical device, transmitter, system, and method
US4825960A (en) 1988-06-30 1989-05-02 Molex Incorporated Synchronized hydraulic hammer arrangement
JP3045261B2 (ja) 1992-06-16 2000-05-29 古河機械金属株式会社 続孔さく孔機
JPH062481A (ja) 1992-06-19 1994-01-11 Kanobooring:Kk ロッドクランプ装置
FI104959B (fi) * 1994-06-23 2000-05-15 Sandvik Tamrock Oy Hydraulinen iskuvasara
FI107891B (fi) * 1998-03-30 2001-10-31 Sandvik Tamrock Oy Painenestekäyttöinen iskulaite
DE10024505A1 (de) * 2000-05-18 2001-11-29 Guenter Klemm Verfahren zur Durchführung von Erd- oder Gesteinsarbeiten und hydraulisches Schlagwerk

Also Published As

Publication number Publication date
AU2002340982B2 (en) 2007-12-20
FI20012156A0 (fi) 2001-11-07
EP1503883A1 (fr) 2005-02-09
CA2465400A1 (fr) 2003-05-15
CA2465400C (fr) 2009-08-18
CN100410025C (zh) 2008-08-13
FI20012156A7 (fi) 2003-05-08
ATE401994T1 (de) 2008-08-15
JP2005507789A (ja) 2005-03-24
US7464635B2 (en) 2008-12-16
FI115957B (fi) 2005-08-31
DE60227843D1 (de) 2008-09-04
NO20042290L (no) 2004-06-03
US20040251038A1 (en) 2004-12-16
NO328866B1 (no) 2010-06-07
JP4242770B2 (ja) 2009-03-25
CN1582215A (zh) 2005-02-16
EP1503883B1 (fr) 2008-07-23
WO2003039814A1 (fr) 2003-05-15

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