IT7948814A0 - Perfezionamento nei sistemi di comando a valvola per apparecchi di perforazione a percussione - Google Patents

Perfezionamento nei sistemi di comando a valvola per apparecchi di perforazione a percussione

Info

Publication number
IT7948814A0
IT7948814A0 IT7948814A IT4881479A IT7948814A0 IT 7948814 A0 IT7948814 A0 IT 7948814A0 IT 7948814 A IT7948814 A IT 7948814A IT 4881479 A IT4881479 A IT 4881479A IT 7948814 A0 IT7948814 A0 IT 7948814A0
Authority
IT
Italy
Prior art keywords
improvement
control systems
valve control
drilling equipment
hammer drilling
Prior art date
Application number
IT7948814A
Other languages
English (en)
Other versions
IT1116873B (it
Original Assignee
Schmidt Paul
Sca
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 Schmidt Paul, Sca filed Critical Schmidt Paul
Publication of IT7948814A0 publication Critical patent/IT7948814A0/it
Application granted granted Critical
Publication of IT1116873B publication Critical patent/IT1116873B/it

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • E21B4/145—Fluid operated hammers of the self propelled-type, e.g. with a reverse mode to retract the device from the hole

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
IT48814/79A 1978-05-12 1979-04-23 Perfezionamento nei sistemi di comando a valvola per apparecchi di perforazione a percussione IT1116873B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2820785A DE2820785C2 (de) 1978-05-12 1978-05-12 Ventilsteuerung für Rammbohrgeräte

Publications (2)

Publication Number Publication Date
IT7948814A0 true IT7948814A0 (it) 1979-04-23
IT1116873B IT1116873B (it) 1986-02-10

Family

ID=6039214

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48814/79A IT1116873B (it) 1978-05-12 1979-04-23 Perfezionamento nei sistemi di comando a valvola per apparecchi di perforazione a percussione

Country Status (10)

Country Link
US (1) US4250972A (it)
JP (1) JPS586036B2 (it)
BE (1) BE876167A (it)
BR (1) BR7902895A (it)
CH (1) CH636407A5 (it)
DE (1) DE2820785C2 (it)
FR (1) FR2425506A1 (it)
GB (1) GB2022169B (it)
IT (1) IT1116873B (it)
SE (1) SE441202B (it)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2165279B (en) * 1984-10-03 1987-12-23 Inst Gornogo Dela Sibirskogo O Air-operated reversible percussive action machine
JPS6195193A (ja) * 1984-10-16 1986-05-13 インステイチユト　ゴルノゴ　デラ　シビルスコゴ　オトデレニア　アカデミイ　ナウク　エスエスエスア−ル 空気作動可逆性衝撃作用機
GB8605009D0 (en) * 1986-02-28 1986-04-09 Roxbury Ltd Soil displacement tools
US4749050A (en) * 1987-02-13 1988-06-07 Ritter Lester L Impact tool for tunneling
GB8801042D0 (en) * 1988-01-18 1988-02-17 British Telecomm Boring ram
CH680937A5 (it) * 1989-01-12 1992-12-15 Terra Ag Tiefbautechnik
DE3909567A1 (de) * 1989-03-23 1990-09-27 Schmidt Paul Rammbohrgeraet
US4964477A (en) * 1989-05-22 1990-10-23 Tupitsyn Konstantin K Pneumatic percussive device
US5226487A (en) * 1990-02-07 1993-07-13 Mbs Advanced Engineering Systems Pneumopercussive machine
US5031706A (en) * 1990-02-07 1991-07-16 Mbs Advanced Engineering Systems Pneumopercussive soil penetrating machine
US5086848A (en) * 1990-10-19 1992-02-11 Hudak Donald M Reversible impact hole driller and method of reversing
US5172771A (en) * 1990-11-06 1992-12-22 Charles Machine Works, Inc. Reversible impact-operated boring tool
US5377770A (en) * 1993-03-23 1995-01-03 Ritter; Lester L. Apparatus for improving impact tool lubrication
US5505270A (en) * 1994-10-19 1996-04-09 Earth Tool L.L.C. Reversible pneumatic ground piercing tool
DE19530972C2 (de) * 1995-08-23 1999-12-02 Tracto Technik Selbstgetriebenes Rammbohrgerät
DE19617603C1 (de) * 1996-05-02 1997-09-18 Tracto Technik Umsteuerbares Rammbohrgerät
US7226246B2 (en) 2000-06-15 2007-06-05 Geotechnical Reinforcement, Inc. Apparatus and method for building support piers from one or successive lifts formed in a soil matrix
US9169611B2 (en) 2000-06-15 2015-10-27 Geopier Foundation Company, Inc. Method and apparatus for building support piers from one or more successive lifts formed in a soil matrix
US6467554B1 (en) 2001-08-20 2002-10-22 The Charles Machine Works, Inc. Quick reverse mechanism for pneumatic boring tool
DE102009038383B4 (de) * 2009-08-24 2014-10-16 Tracto-Technik Gmbh & Co. Kg Rammbohrvorrichtung
US8746369B2 (en) 2011-09-30 2014-06-10 Elwha Llc Umbilical technique for robotic mineral mole
US8875807B2 (en) 2011-09-30 2014-11-04 Elwha Llc Optical power for self-propelled mineral mole
DE102012208986A1 (de) * 2012-05-29 2013-12-05 Hilti Aktiengesellschaft Meißelnde Werkzeugmaschine
RU2751895C1 (ru) * 2020-11-24 2021-07-19 федеральное государственное бюджетное образовательное учреждение высшего образования «Санкт-Петербургский горный университет» Устройство для дробления негабаритов
CN113565431A (zh) * 2021-08-27 2021-10-29 中国铁建重工集团股份有限公司 一种气动潜孔锤用空压机压力控制方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE574453A (it) * 1958-01-24
DE1132067B (de) * 1961-10-31 1962-06-28 W Herbold Dr Ing Mit Druckluft betriebene Rammbohrvorrichtung
DE1294891B (de) * 1962-11-23 1969-05-08 Dom Techniczno Handlowy Przed Selbstgetriebenes pneumatisches Rammbohrgeraet
FR1515348A (fr) * 1967-03-03 1968-03-01 Inst Gornogo Dela Sibirskogo O Dispositif à percussion pour la perforation de trous dans le sol
US3601436A (en) * 1969-07-15 1971-08-24 Foster Wheeler Corp Pressure vessel with shear pin construction
US3744576A (en) * 1971-02-03 1973-07-10 B Sudnishnikov Reversible percussion device
US3727701A (en) * 1971-02-08 1973-04-17 Inst Gornogo Dela Sibirskogo O Reversible air-punching mechanism for making holes in soil by compaction
DE2157259C3 (de) * 1971-11-18 1973-06-07 Tracto Technik Rammbohrgerät
SE423923B (sv) * 1976-05-17 1982-06-14 Inst Gornogo Dela Sib Otdel Sk Reversibel, med slagverkan arbetande anordning for astadkommande av hal i mark
DE2634066C3 (de) * 1976-07-29 1984-09-20 Paul 5940 Lennestadt Schmidt Vorrichtung für den Vor- und Rücklauf von selbstangetriebenen, pneumatischen Rammbohrgeräten

Also Published As

Publication number Publication date
GB2022169A (en) 1979-12-12
SE441202B (sv) 1985-09-16
FR2425506B1 (it) 1983-07-01
JPS54150803A (en) 1979-11-27
DE2820785A1 (de) 1979-11-15
JPS586036B2 (ja) 1983-02-02
BE876167A (fr) 1979-09-03
GB2022169B (en) 1982-07-28
IT1116873B (it) 1986-02-10
DE2820785C2 (de) 1986-10-02
FR2425506A1 (fr) 1979-12-07
SE7904114L (sv) 1979-11-13
US4250972A (en) 1981-02-17
CH636407A5 (de) 1983-05-31
BR7902895A (pt) 1979-12-04

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