ZA745604B - Improved hydraulically powered percussion drill - Google Patents

Improved hydraulically powered percussion drill

Info

Publication number
ZA745604B
ZA745604B ZA00745604A ZA745604A ZA745604B ZA 745604 B ZA745604 B ZA 745604B ZA 00745604 A ZA00745604 A ZA 00745604A ZA 745604 A ZA745604 A ZA 745604A ZA 745604 B ZA745604 B ZA 745604B
Authority
ZA
South Africa
Prior art keywords
hydraulically powered
percussion drill
improved hydraulically
powered percussion
improved
Prior art date
Application number
ZA00745604A
Other languages
English (en)
Inventor
J Feucht
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of ZA745604B publication Critical patent/ZA745604B/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L27/00—Distribution or expansion valve-gear peculiar to free-piston machines or engines and not provided for in F01L21/00 - F01L25/00
    • F01L27/04—Delayed-action controls, e.g. of cataract or dashpot type
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
ZA00745604A 1973-10-29 1974-09-03 Improved hydraulically powered percussion drill ZA745604B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/410,939 US3955478A (en) 1973-10-29 1973-10-29 Hydraulically powered percussion drill

Publications (1)

Publication Number Publication Date
ZA745604B true ZA745604B (en) 1975-10-29

Family

ID=23626881

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00745604A ZA745604B (en) 1973-10-29 1974-09-03 Improved hydraulically powered percussion drill

Country Status (9)

Country Link
US (1) US3955478A (de)
JP (1) JPS5074275A (de)
CA (1) CA1005729A (de)
DE (1) DE2449023C3 (de)
FI (1) FI60512C (de)
FR (1) FR2248912B1 (de)
GB (1) GB1473158A (de)
SE (1) SE7413332L (de)
ZA (1) ZA745604B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054180A (en) * 1976-02-09 1977-10-18 Reed Tool Company Impact drilling tool having a shuttle valve
SU607885A1 (ru) * 1976-04-24 1978-04-26 Институт Горного Дела Со Ан Ссср Пневматическое устройство ударного действи
GB1556754A (en) * 1976-12-10 1979-11-28 Af Hydraulics Hydraulically-actuated percussive device with overstroke damping
US4181183A (en) * 1978-01-05 1980-01-01 Nippon Pneumatic Manufacturing Co., Ltd. Impact tool
US4300584A (en) * 1978-02-10 1981-11-17 Modular Controls Corporation Hydraulic sequence valve
US4223693A (en) * 1978-07-27 1980-09-23 Modular Controls Corporation Counterbalance valve
US4341148A (en) * 1980-09-30 1982-07-27 Modular Controls Corporation Hydraulic sequencing valve
SE440873B (sv) * 1981-02-11 1985-08-26 Atlas Copco Ab Hydrauliskt slagverk med reflexdempare innefattande leckspalter i serie med strypmunstycke
JPH08511841A (ja) * 1993-04-21 1996-12-10 ロバーツ ブリッグス，ロジャー さく岩機
DE19545708A1 (de) * 1995-12-07 1997-06-12 Krupp Bautechnik Gmbh Verfahren zur Beeinflussung des Betriebsverhaltens eines fluidbetriebenen Schlagwerks und zur Durchführung des Verfahrens geeignetes Schlagwerk
JP3817617B2 (ja) 1999-05-10 2006-09-06 新日本製鐵株式会社 さく孔装置
EP1160057A1 (de) * 2000-06-02 2001-12-05 Atlas Copco Electric Tools GmbH Handgeführter Bohrhammer
SE534794C2 (sv) * 2010-04-01 2011-12-27 Atlas Copco Rock Drills Ab Hydraulisk slående anordning, kolvstyrning, samt borrigg
US11035482B2 (en) * 2019-01-31 2021-06-15 Scott Dale Follett Pressure relief valve
EP4043152B1 (de) * 2021-02-11 2023-09-20 Sandvik Mining and Construction Oy Schlaghammer und verfahren zur unterstützung des schlagkolbens

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2354340A (en) * 1943-05-07 1944-07-25 Gustaf E Utter Loom picker check
US3045650A (en) * 1957-12-23 1962-07-24 Lear Inc Fluid actuating device
US3220517A (en) * 1962-10-30 1965-11-30 Best available copy
US3596562A (en) * 1968-01-12 1971-08-03 Nat Res Dev Transducer for converting fluid pressure oscillations into mechanical oscillations
US3701386A (en) * 1970-12-11 1972-10-31 Dresser Ind Hydraulic drifter
US3887019A (en) * 1971-05-11 1975-06-03 Af Hydraulics Hydraulic percussive implement

Also Published As

Publication number Publication date
DE2449023C3 (de) 1979-07-12
DE2449023B2 (de) 1978-11-02
AU7315974A (en) 1976-03-18
CA1005729A (en) 1977-02-22
DE2449023A1 (de) 1975-04-30
SE7413332L (de) 1975-04-30
JPS5074275A (de) 1975-06-18
FI60512B (fi) 1981-10-30
FI294074A (de) 1975-04-30
US3955478A (en) 1976-05-11
FI60512C (fi) 1982-02-10
FR2248912B1 (de) 1981-05-29
GB1473158A (de) 1977-05-11
FR2248912A1 (de) 1975-05-23

Similar Documents

Publication Publication Date Title
FI50390C (fi) Hydraulisesti käytetty iskulaite
ZA739177B (en) Improvements relating to percussion drill control means
YU226474A (en) Drill
IT1012175B (it) Trapano a percussione
ZA73720B (en) Percussion bits
ZA758052B (en) Hydraulic rock drill
ZA745604B (en) Improved hydraulically powered percussion drill
ZA743728B (en) Percussion drill rod
ZA747052B (en) Drill rod for percussion drilling
ZA744147B (en) Longitudinally adjustable drill boom
CA994323A (en) Drill bit
AU6345773A (en) Percussion drill
AU6718174A (en) Drill
ZA739190B (en) Drill boom
ZA732944B (en) Improvements relating to rock drills
AU483974B2 (en) Improved hydraulically powered percussion drill
SU515867A1 (ru) Буровое долото
GB1367387A (en) Percussive tools
ZA744874B (en) Rock drill
ZA728515B (en) Improvements relating to percussion drills
ZA726521B (en) Improvements relating to percussion drills
AT329486B (de) Schlagbohrkrone
AU479248B2 (en) Borehole hammer drill
ZA737743B (en) Rock drilling
ZA726020B (en) Percussive drill connection