ZA763440B - Hydraulic percussion tool with impact blow and frequency control - Google Patents

Hydraulic percussion tool with impact blow and frequency control

Info

Publication number
ZA763440B
ZA763440B ZA00763440A ZA763440A ZA763440B ZA 763440 B ZA763440 B ZA 763440B ZA 00763440 A ZA00763440 A ZA 00763440A ZA 763440 A ZA763440 A ZA 763440A ZA 763440 B ZA763440 B ZA 763440B
Authority
ZA
South Africa
Prior art keywords
frequency control
percussion tool
impact blow
hydraulic percussion
hydraulic
Prior art date
Application number
ZA00763440A
Other languages
English (en)
Inventor
J Mayer
R Adkins
Original Assignee
Gardner Denver Co
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 Gardner Denver Co filed Critical Gardner Denver Co
Publication of ZA763440B publication Critical patent/ZA763440B/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
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S173/00—Tool driving or impacting
    • Y10S173/04—Liquid operated

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
ZA00763440A 1975-12-05 1976-06-09 Hydraulic percussion tool with impact blow and frequency control ZA763440B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/638,205 US4062411A (en) 1975-12-05 1975-12-05 Hydraulic percussion tool with impact blow and frequency control

Publications (1)

Publication Number Publication Date
ZA763440B true ZA763440B (en) 1978-01-25

Family

ID=24559065

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00763440A ZA763440B (en) 1975-12-05 1976-06-09 Hydraulic percussion tool with impact blow and frequency control

Country Status (10)

Country Link
US (1) US4062411A (de)
JP (1) JPS5269069A (de)
AU (1) AU497745B2 (de)
CA (1) CA1033262A (de)
DE (1) DE2645213C3 (de)
FR (1) FR2333618A1 (de)
GB (1) GB1515442A (de)
MX (1) MX4073E (de)
SE (1) SE434231B (de)
ZA (1) ZA763440B (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282937A (en) * 1976-04-28 1981-08-11 Joy Manufacturing Company Hammer
DE2658455C3 (de) * 1976-12-23 1981-01-22 Fried. Krupp Gmbh, 4300 Essen Druckmittelbetriebenes Schlagwerk
US4246973A (en) * 1978-01-23 1981-01-27 Cooper Industries, Inc. Controls for hydraulic percussion drill
US4196780A (en) * 1978-05-09 1980-04-08 Kabushiki Kaisha Komatsu Seisakusho Hydraulic percussion drill
US4724911A (en) * 1985-12-20 1988-02-16 Enmark Corporation Hydraulic impact tool
DE4143418C2 (de) * 1991-10-23 1995-03-16 Klemm Bohrtech Drucklufthammer mit veränderbarer Rückhublänge des Arbeitskolbens
US5893419A (en) * 1997-01-08 1999-04-13 Fm Industries, Inc. Hydraulic impact tool
DE19803449A1 (de) * 1998-01-30 1999-08-05 Krupp Berco Bautechnik Gmbh Druckmittelbetriebene Schlagvorrichtung
DE19804078A1 (de) * 1998-02-03 1999-08-05 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk
US6082986A (en) * 1998-08-19 2000-07-04 Cooper Technologies Reversible double-throw air motor
US6241500B1 (en) 2000-03-23 2001-06-05 Cooper Brands, Inc. Double-throw air motor with reverse feature
US6318148B1 (en) * 2000-08-02 2001-11-20 Dietrick E. Alkonis Tester for impact performance
SE528040C2 (sv) * 2004-03-12 2006-08-15 Atlas Copco Constr Tools Ab Hydraulisk brythammare
US7503628B2 (en) * 2006-09-01 2009-03-17 Hall David R Formation breaking assembly
FI123634B (fi) * 2007-10-05 2013-08-30 Sandvik Mining & Constr Oy Kallionrikkomislaite, suojaventtiili sekä menetelmä kallionrikkomislaitteen käyttämiseksi
US8215419B2 (en) * 2009-05-06 2012-07-10 Atlas Copco Secoroc Llc Variable frequency control for down hole drill and method
SE535068C2 (sv) 2010-04-01 2012-04-03 Atlas Copco Rock Drills Ab Bergborrmaskin och användning därav för att förhindra uppkomst och spridning av kavitationsbubblor
CN102734256A (zh) * 2011-04-13 2012-10-17 陈实 电液锤串联式液气缸
SE535801C2 (sv) * 2011-04-27 2012-12-27 Atlas Copco Rock Drills Ab Slagverk, bergborrmaskin och borrigg
RU2476644C1 (ru) * 2011-10-06 2013-02-27 Учреждение Российской академии наук Институт горного дела Сибирского отделения РАН Регулируемая ударная машина
KR101373544B1 (ko) * 2012-07-03 2014-03-25 이일재 유압타격장치용 타격몸체
CA2994255C (en) 2015-07-31 2020-03-31 Tei Rock Drills, Inc. Remote control of stroke and frequency of percussion apparatus and methods thereof
RU2695396C1 (ru) * 2017-09-06 2019-07-23 Общество С Ограниченной Ответственностью Управляющая Компания "Традиция" (Ооо Ук "Традиция") Гидромолот

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB814240A (en) * 1957-05-24 1959-06-03 Industrikompaniet Ab Vibrator
DE1703061C3 (de) * 1968-03-27 1974-02-14 Fried. Krupp Gmbh, 4300 Essen Hydraulisch betriebener Schubkolbenmotor
US3687008A (en) * 1971-02-01 1972-08-29 W J Savage Co Inc Pressure fluid controlled reciprocating mechanism
US3741072A (en) * 1971-02-17 1973-06-26 G Romell Hydraulic fluid actuated percussion tool
US3766830A (en) * 1971-03-24 1973-10-23 Montabert Roger Percussion apparatus
US3774502A (en) * 1971-05-14 1973-11-27 Krupp Gmbh Hydraulic percussion device with pressure-responsive control of impact frequency
US3780621A (en) * 1971-06-07 1973-12-25 Atlas Copco Ab Hydraulic fluid actuated percussion tool
US3827507A (en) * 1972-09-18 1974-08-06 Technology Inc Const Hydraulically powered demolition device
US3925985A (en) * 1973-01-09 1975-12-16 Rapidex Inc Impact actuator
US3903972A (en) * 1974-04-24 1975-09-09 Hydroacoustic Inc Impact tools
RO74260A (ro) * 1974-04-25 1980-10-30 Oy Tampella Ab,Fi Perforator percutant actionat cu lichid sub presiune
FI50941C (fi) * 1974-04-25 1976-09-10 Tampella Oy Ab Paineenalaisen nesteen avulla käytettävä iskulaite.
GB1450972A (en) * 1974-06-11 1976-09-29 Klemm G Percussive tool

Also Published As

Publication number Publication date
GB1515442A (en) 1978-06-21
DE2645213A1 (de) 1977-06-08
JPS5543864B2 (de) 1980-11-08
AU1478776A (en) 1977-12-15
US4062411A (en) 1977-12-13
AU497745B2 (en) 1979-01-04
FR2333618A1 (fr) 1977-07-01
FR2333618B3 (de) 1979-04-06
SE7607933L (sv) 1977-06-06
SE434231B (sv) 1984-07-16
MX4073E (es) 1981-12-02
DE2645213B2 (de) 1978-11-09
DE2645213C3 (de) 1981-12-03
JPS5269069A (en) 1977-06-08
CA1033262A (en) 1978-06-20

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