FI962911A - Hydrauldriven slaghammare - Google Patents

Hydrauldriven slaghammare Download PDF

Info

Publication number
FI962911A
FI962911A FI962911A FI962911A FI962911A FI 962911 A FI962911 A FI 962911A FI 962911 A FI962911 A FI 962911A FI 962911 A FI962911 A FI 962911A FI 962911 A FI962911 A FI 962911A
Authority
FI
Finland
Prior art keywords
impact hammer
hydraulic impact
hydraulic
hammer
impact
Prior art date
Application number
FI962911A
Other languages
English (en)
Finnish (fi)
Other versions
FI962911A0 (sv
FI104961B (sv
Inventor
Esko Juvonen
Original Assignee
Bretec 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 Bretec Oy filed Critical Bretec Oy
Priority to FI962911A priority Critical patent/FI104961B/sv
Publication of FI962911A0 publication Critical patent/FI962911A0/sv
Priority to US08/893,369 priority patent/US5979291A/en
Publication of FI962911A publication Critical patent/FI962911A/sv
Application granted granted Critical
Publication of FI104961B publication Critical patent/FI104961B/sv

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
    • B25D9/145—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
    • B25D9/16—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
    • 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
    • B25D2209/002—Pressure accumulators

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
FI962911A 1996-07-19 1996-07-19 Hydrauldriven slaghammare FI104961B (sv)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI962911A FI104961B (sv) 1996-07-19 1996-07-19 Hydrauldriven slaghammare
US08/893,369 US5979291A (en) 1996-07-19 1997-07-15 Hydraulically operated percussion hammer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI962911 1996-07-19
FI962911A FI104961B (sv) 1996-07-19 1996-07-19 Hydrauldriven slaghammare

Publications (3)

Publication Number Publication Date
FI962911A0 FI962911A0 (sv) 1996-07-19
FI962911A true FI962911A (sv) 1998-01-20
FI104961B FI104961B (sv) 2000-05-15

Family

ID=8546416

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962911A FI104961B (sv) 1996-07-19 1996-07-19 Hydrauldriven slaghammare

Country Status (2)

Country Link
US (1) US5979291A (sv)
FI (1) FI104961B (sv)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI114290B (sv) * 2003-02-21 2004-09-30 Sandvik Tamrock Oy Styrventil och arrangemang i slaganordning
SE528081C2 (sv) * 2004-08-25 2006-08-29 Atlas Copco Constr Tools Ab Hydraulisk slagmekanism
SE527762C2 (sv) * 2004-10-14 2006-05-30 Atlas Copco Rock Drills Ab Slagverk
SE527921C2 (sv) * 2004-10-20 2006-07-11 Atlas Copco Rock Drills Ab Slagverk
SE528745C2 (sv) * 2005-06-22 2007-02-06 Atlas Copco Rock Drills Ab Ventilanordning för slagverk och slagverk för bergborrmaskin
SE530885C2 (sv) * 2007-02-23 2008-10-07 Atlas Copco Rock Drills Ab Förfarande vid slagverk, slagverk och bergborrmaskin
FI123634B (sv) * 2007-10-05 2013-08-30 Sandvik Mining & Constr Oy Bergbrytningsanordning, skyddsventil samt förfarande för användning av bergbrytningsanordning
AT511810B1 (de) * 2011-09-27 2013-03-15 Tmt Bbg Res And Dev Gmbh Schlagwerk für eine hammereinrichtung und verfahren zum offenstellen einer abstichöffnung
SE536903C2 (sv) 2012-11-28 2014-10-21 Atlas Copco Rock Drills Ab Anordning vid fördelningsventil för en bergborrmaskin och bergborrmaskin
AT513849B1 (de) * 2013-03-04 2014-08-15 Tmt Bbg Res And Dev Gmbh Steuerung der Arbeitsfrequenz eines Schlagwerkes
US9840000B2 (en) * 2014-12-17 2017-12-12 Caterpillar Inc. Hydraulic hammer having variable stroke control
JP6495672B2 (ja) * 2015-01-30 2019-04-03 古河ロックドリル株式会社 液圧式打撃装置、並びにバルブタイミングの切換方法およびバルブポートの設定方法
US20160221171A1 (en) * 2015-02-02 2016-08-04 Caterpillar Inc. Hydraulic hammer having dual valve acceleration control system
WO2018043175A1 (ja) * 2016-08-31 2018-03-08 古河ロックドリル株式会社 液圧式打撃装置
EP3655615B1 (en) * 2017-07-20 2022-03-16 Mincon International Limited Valve piloting arrangements for hydraulic percussion devices
FI3659752T3 (fi) * 2017-07-24 2023-05-04 Furukawa Rock Drill Co Ltd Hydraulinen vasarointilaite
FR3134738A1 (fr) * 2022-04-20 2023-10-27 Montabert Appareil à percussions équipé d’un dispositif de régulation de pression

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR715932A (fr) * 1930-05-30 1931-12-11 Procédé de concentration de solutions d'acides aliphatiques
DE1960706C3 (de) * 1969-12-03 1974-05-09 Wsesojusnij Nautschno-Issledowatelskij I Projektno-Konstruktorskij Institut Dobytschi Uglja Gidrawlitscheskim Sposobom, Nowokusneck (Sowjetunion) Einrichtung zur Erzeugung von Impulshochdruck-Flüssigkeitsstrahlen
US3774502A (en) * 1971-05-14 1973-11-27 Krupp Gmbh Hydraulic percussion device with pressure-responsive control of impact frequency
FI50390C (sv) * 1973-09-14 1976-03-10 Murskauskone Oy Hydrauliskt drivet slagverktyg
DE2459210C2 (de) * 1974-12-14 1983-09-15 Fried. Krupp Gmbh, 4300 Essen Hydraulisch betriebener Schubkolbenmotor
ES469097A1 (es) * 1978-03-31 1980-06-16 Crespo Jose T G Aparato hidraulico para producir impactos
FR2429320A1 (fr) * 1978-06-20 1980-01-18 Secoma Appareil de foration hydraulique roto-percutant
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
DE19507348A1 (de) * 1995-03-02 1996-09-05 Krupp Maschinentechnik Verfahren zur Beeinflussung des Betriebsverhaltens eines fluidbetriebenen Schlagwerks und zur Durchführung des Verfahrens geeignetes Schlagwerk

Also Published As

Publication number Publication date
FI962911A0 (sv) 1996-07-19
US5979291A (en) 1999-11-09
FI104961B (sv) 2000-05-15

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