GB2074663B - Hydraulic drive system for a hammering tool - Google Patents

Hydraulic drive system for a hammering tool

Info

Publication number
GB2074663B
GB2074663B GB8105664A GB8105664A GB2074663B GB 2074663 B GB2074663 B GB 2074663B GB 8105664 A GB8105664 A GB 8105664A GB 8105664 A GB8105664 A GB 8105664A GB 2074663 B GB2074663 B GB 2074663B
Authority
GB
United Kingdom
Prior art keywords
drive system
hydraulic drive
hammering tool
hammering
tool
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB8105664A
Other versions
GB2074663A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salzgitter Maschinen und Anlagen AG
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen und Anlagen AG
Salzgitter Maschinen AG
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 Salzgitter Maschinen und Anlagen AG, Salzgitter Maschinen AG filed Critical Salzgitter Maschinen und Anlagen AG
Publication of GB2074663A publication Critical patent/GB2074663A/en
Application granted granted Critical
Publication of GB2074663B publication Critical patent/GB2074663B/en
Expired legal-status Critical Current

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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/06—Down-hole impacting means, e.g. hammers
    • E21B4/14—Fluid operated hammers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
    • F03C1/00—Reciprocating-piston liquid engines
    • F03C1/007—Reciprocating-piston liquid engines with single cylinder, double-acting piston
    • F03C1/0073—Reciprocating-piston liquid engines with single cylinder, double-acting piston one side of the double-acting piston being always under the influence of the liquid under pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Actuator (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
GB8105664A 1980-04-24 1981-02-23 Hydraulic drive system for a hammering tool Expired GB2074663B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803015696 DE3015696A1 (en) 1980-04-24 1980-04-24 HYRAULIC DRIVING DEVICE FOR A DRIVING TOOL

Publications (2)

Publication Number Publication Date
GB2074663A GB2074663A (en) 1981-11-04
GB2074663B true GB2074663B (en) 1983-10-26

Family

ID=6100778

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8105664A Expired GB2074663B (en) 1980-04-24 1981-02-23 Hydraulic drive system for a hammering tool

Country Status (5)

Country Link
DE (1) DE3015696A1 (en)
ES (1) ES499091A0 (en)
FR (1) FR2481183A1 (en)
GB (1) GB2074663B (en)
SE (1) SE8100707L (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8715784U1 (en) * 1987-11-28 1989-03-23 Salzgitter Maschinenbau GmbH, 3320 Salzgitter Control device for a hydraulic drive device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RO74260A (en) * 1974-04-25 1980-10-30 Oy Tampella Ab,Fi POWERFUL PERFORATER WITH PRESSURE LIQUID
DE2520323A1 (en) * 1975-05-07 1976-11-18 Salzgitter Maschinen Ag Hydraulic drive for impact tool - incorporates work piston with control slide valve with groove to provide hydraulic connection
US4196780A (en) * 1978-05-09 1980-04-08 Kabushiki Kaisha Komatsu Seisakusho Hydraulic percussion drill
EP0022865B1 (en) * 1978-12-15 1984-08-01 Furukawakogyo Co.Ltd Hydraulically-driven downhole drill

Also Published As

Publication number Publication date
FR2481183B1 (en) 1983-01-07
GB2074663A (en) 1981-11-04
FR2481183A1 (en) 1981-10-30
ES8201463A1 (en) 1981-12-16
ES499091A0 (en) 1981-12-16
DE3015696A1 (en) 1981-10-29
SE8100707L (en) 1981-10-25

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee