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CS221922B2 - Hydraulic drilling appliance - Google Patents

Hydraulic drilling appliance Download PDF

Info

Publication number
CS221922B2
CS221922B2 CS804357A CS435780A CS221922B2 CS 221922 B2 CS221922 B2 CS 221922B2 CS 804357 A CS804357 A CS 804357A CS 435780 A CS435780 A CS 435780A CS 221922 B2 CS221922 B2 CS 221922B2
Authority
CS
Czechoslovakia
Prior art keywords
circuit
valve
hydraulic
hydraulic pump
free circulation
Prior art date
Application number
CS804357A
Other languages
Czech (cs)
English (en)
Inventor
Esa Karru
Pekka Salmi
Hannu Paasonen
Original Assignee
Tampella Oy Ab
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 Tampella Oy Ab filed Critical Tampella Oy Ab
Publication of CS221922B2 publication Critical patent/CS221922B2/cs

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
    • B25D9/06—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

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Presses (AREA)
  • Press Drives And Press Lines (AREA)
  • Forklifts And Lifting Vehicles (AREA)
CS804357A 1979-06-26 1980-06-19 Hydraulic drilling appliance CS221922B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI792019A FI60151C (fi) 1979-06-26 1979-06-26 Hydraulisk slaganordning

Publications (1)

Publication Number Publication Date
CS221922B2 true CS221922B2 (en) 1983-04-29

Family

ID=8512747

Family Applications (1)

Application Number Title Priority Date Filing Date
CS804357A CS221922B2 (en) 1979-06-26 1980-06-19 Hydraulic drilling appliance

Country Status (18)

Country Link
US (1) US4343227A (fi)
JP (1) JPS6055273B2 (fi)
AT (1) AT370666B (fi)
AU (1) AU533678B2 (fi)
CA (1) CA1127046A (fi)
CH (1) CH647972A5 (fi)
CS (1) CS221922B2 (fi)
DE (1) DE3023610A1 (fi)
FI (1) FI60151C (fi)
FR (1) FR2462238A1 (fi)
GB (1) GB2054753B (fi)
IT (1) IT1131654B (fi)
NO (1) NO147235C (fi)
PL (1) PL136259B1 (fi)
RO (1) RO84373A (fi)
SE (1) SE443113B (fi)
SU (1) SU1375117A3 (fi)
ZA (1) ZA803822B (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE68036T1 (de) * 1987-02-25 1991-10-15 Salzgitter Maschinenbau Einrichtung mit einem fuer erdbohrzwecke vorgesehenen hydraulischen hubgenerator.
CA2148394A1 (en) * 1994-05-03 1995-11-04 Alexander William Rowe Starting and stopping of hydraulic reciprocating machines
US5730230A (en) * 1995-08-15 1998-03-24 Sisler; John S. Rotary percussion drill
AT407919B (de) * 1998-01-19 2001-07-25 Boehler Pneumatik Internat Gmb Pneumatisch oder hydraulisch betreibbarer hammer und verwendung des hammers zum offenstellen oder zum verschliessen einer abstichöffnung eines metallurgischen gefässes
DE19804078A1 (de) * 1998-02-03 1999-08-05 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk
FI106618B (fi) * 1998-03-30 2001-03-15 Sandvik Tamrock Oy Sovitelma painenestekäyttöisen iskulaitteen, kuten esimerkiksi rikotuslaitteen yhteydessä
AT513849B1 (de) * 2013-03-04 2014-08-15 Tmt Bbg Res And Dev Gmbh Steuerung der Arbeitsfrequenz eines Schlagwerkes
NO20150341A1 (en) * 2015-03-18 2016-06-20 Resonator As Percussive hammering assembly
KR102317232B1 (ko) * 2020-01-08 2021-10-22 주식회사 현대에버다임 유압 브레이커

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1703727A1 (de) * 1968-07-03 1972-03-02 Orenstein & Koppel Ag Hydraulisches Schlaggeraet
DE1703753A1 (de) * 1968-07-05 1972-02-24 Ingbuero Dipl Ing Friedrich He Hydraulisch betriebene Schlagvorrichtung
SU402643A1 (ru) * 1971-05-14 1973-10-19 В П Т БФи;^д ;:inu;;i:FHS^АвторыВ. М. Косталевский и В. Д. Никонов
DE2217507B1 (de) * 1972-04-12 1973-08-09 Bauer, Karlheinz, Dr.-Ing., 8898 Schrobenhausen Hydraulischer hammer und seine verwendung fuer bohrhaemmer
FI50941C (fi) * 1974-04-25 1976-09-10 Tampella Oy Ab Paineenalaisen nesteen avulla käytettävä iskulaite.
US4026193A (en) * 1974-09-19 1977-05-31 Raymond International Inc. Hydraulically driven hammer system
FI751895A (fi) * 1975-06-26 1976-12-27 Xandor Ag
FR2357336A1 (fr) * 1976-07-09 1978-02-03 Malfit Jean Dispositif a percussion a commande hydraulique, notamment pour marteaux piqueurs, marteaux de forge, ou autres outils de frappe
AU503742B2 (en) * 1976-10-18 1979-09-20 Dobson Park Industries Limited Percussive tool
GB1556754A (en) * 1976-12-10 1979-11-28 Af Hydraulics Hydraulically-actuated percussive device with overstroke damping
JPS5819433B2 (ja) * 1977-03-17 1983-04-18 日本ニユ−マチツク工業株式会社 衝撃動工具

Also Published As

Publication number Publication date
JPS6055273B2 (ja) 1985-12-04
SU1375117A3 (ru) 1988-02-15
DE3023610C2 (fi) 1988-03-31
IT8022978A0 (it) 1980-06-24
CH647972A5 (de) 1985-02-28
ATA320880A (de) 1982-09-15
NO147235C (no) 1983-03-02
IT1131654B (it) 1986-06-25
AT370666B (de) 1983-04-25
JPS5635801A (en) 1981-04-08
NO147235B (no) 1982-11-22
PL136259B1 (en) 1986-02-28
DE3023610A1 (de) 1981-01-29
GB2054753A (en) 1981-02-18
FR2462238B1 (fi) 1982-12-10
FI60151B (fi) 1981-08-31
FI792019A (fi) 1980-12-27
FR2462238A1 (fr) 1981-02-13
US4343227A (en) 1982-08-10
AU533678B2 (en) 1983-12-08
NO801884L (no) 1980-12-29
SE443113B (sv) 1986-02-17
PL225237A1 (fi) 1981-05-22
SE8004673L (sv) 1980-12-27
GB2054753B (en) 1983-04-13
CA1127046A (en) 1982-07-06
RO84373A (ro) 1984-08-17
AU5944480A (en) 1981-01-08
FI60151C (fi) 1981-12-10
ZA803822B (en) 1981-07-29

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