DE255851C - - Google Patents

Info

Publication number
DE255851C
DE255851C DENDAT255851D DE255851DA DE255851C DE 255851 C DE255851 C DE 255851C DE NDAT255851 D DENDAT255851 D DE NDAT255851D DE 255851D A DE255851D A DE 255851DA DE 255851 C DE255851 C DE 255851C
Authority
DE
Germany
Prior art keywords
drilling
crosspiece
mines
drill
displaced
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.)
Active
Application number
DENDAT255851D
Other languages
German (de)
Publication of DE255851C publication Critical patent/DE255851C/de
Active 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/084—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods with flexible drawing means, e.g. cables
    • 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
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/006—Means for anchoring the drilling machine to the ground
    • 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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081—Screw-and-nut feed mechanisms

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)
  • Drilling And Boring (AREA)

Description

Hierzu 1 Blatt Zeichnungen.1 sheet of drawings.

Claims (1)

Patent-AnSPRUcη :Patent claim: Bohrvorrichtung zur Herstellung von Aufbrüchen, Luftschächten und ähnlichen Bohrlöchern in Bergwerken, dadurch gekennzeichnet, daß der Vorschub des Bohrers durch ein auf zwei Spannsäulen (a, b) verschiebbares Querstück (e) geschieht, das ein Preßluftzuführungsrohr (g) und daran anschließend den Bohrzylinder (h) mit Fräser (i) trägt.Drilling device for making openings, air shafts and similar boreholes in mines, characterized in that the drill is advanced by a crosspiece (e) which can be displaced on two clamping columns (a, b) , which is a compressed air supply pipe ( g) and then the drilling cylinder ( h) with milling cutter (i) .
DENDAT255851D Active DE255851C (en)

Publications (1)

Publication Number Publication Date
DE255851C true DE255851C (en)

Family

ID=513920

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT255851D Active DE255851C (en)

Country Status (1)

Country Link
DE (1) DE255851C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745117C (en) * 1940-03-08 1944-02-26 Heinr Korfmann Jr Maschinenfab Process and device for extracting coal in quarrying piers, namely in civil lignite mining

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE745117C (en) * 1940-03-08 1944-02-26 Heinr Korfmann Jr Maschinenfab Process and device for extracting coal in quarrying piers, namely in civil lignite mining

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