ES2009760B3 - Herramienta de extraccion para el arranque de minerales, en especial carbon. - Google Patents

Herramienta de extraccion para el arranque de minerales, en especial carbon.

Info

Publication number
ES2009760B3
ES2009760B3 ES86114467T ES86114467T ES2009760B3 ES 2009760 B3 ES2009760 B3 ES 2009760B3 ES 86114467 T ES86114467 T ES 86114467T ES 86114467 T ES86114467 T ES 86114467T ES 2009760 B3 ES2009760 B3 ES 2009760B3
Authority
ES
Spain
Prior art keywords
chisel
shaft
bore
designed
nozzle
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
ES86114467T
Other languages
English (en)
Inventor
Karl-Heinz Wetzchewald
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.)
Boart International Ltd
Original Assignee
Boart International Ltd
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 Boart International Ltd filed Critical Boart International Ltd
Application granted granted Critical
Publication of ES2009760B3 publication Critical patent/ES2009760B3/es
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/60—Slitting by jets of water or other liquid
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/187—Mining picks; Holders therefor with arrangement of fluid-spraying nozzles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

Herramienta de extracción para el arranque de minerales, en especial carbón, compuesta de una barrena redonda con cabeza y vástago de barrena y de un portabarrenas, teniendo el portabarrenas un orificio de alojamiento para el vástago de barrena colocado en su interior en forma fija, y estando configurada la cabeza de barrena (1) como una caperuza para el vástago de barrena (2), asentándose en forma giratoria sobre el vástago de barrena (2) con una holgura de movimiento (S, S'') axial y radial prefijada, caracterizada porque en el vástago de barrena (2) y en la punta de barrena (5) de la cabeza de barrena (1) con forma de caperuza están situados unos orificios axiales coaxiales (6, 7), estando configurado el orificio axial en el vástago de barrena (2) como orificio de asiento (6) para un tubo de alimentación (8) con tobera (9) en su extremo final, y el orificio axial en la punta de barrena (5) como orificio de tobera (7), y porque la tobera (9) está presionada con efecto de junta de estanqueidad contra un estrechamiento del orificio de asiento (6), configurado como asiento de junta (10) en la zona de la superficie frontal del vástago de barrena (2), y porque en el vástago de barrena (2) y en el tubo de alimentación (8) se puede conectar una tubería de alimentación (11) para un líquido o medio de alta o de altísima presión.
ES86114467T 1985-12-13 1986-10-18 Herramienta de extraccion para el arranque de minerales, en especial carbon. Expired ES2009760B3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3544126A DE3544126C1 (de) 1985-12-13 1985-12-13 Werkzeug zum Hereingewinnen von mineralischen Rohstoffen,insbesondere von Kohle oder Hartstein

Publications (1)

Publication Number Publication Date
ES2009760B3 true ES2009760B3 (es) 1989-10-16

Family

ID=6288380

Family Applications (1)

Application Number Title Priority Date Filing Date
ES86114467T Expired ES2009760B3 (es) 1985-12-13 1986-10-18 Herramienta de extraccion para el arranque de minerales, en especial carbon.

Country Status (4)

Country Link
EP (1) EP0229238B1 (es)
AT (1) ATE43676T1 (es)
DE (1) DE3544126C1 (es)
ES (1) ES2009760B3 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201202533D0 (en) * 2012-02-14 2012-03-28 Element Six Gmbh Pick tool and method of using same
CN103195429B (zh) * 2013-03-11 2014-12-10 中国矿业大学 掘进机高压水射流辅助截割机构
CN114151082B (zh) * 2021-10-27 2023-12-12 中国矿业大学 一种自动高压射流辅助破岩及泡沫灭尘截齿装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7532482U (de) * 1975-10-11 1976-02-19 Ugine Carbone, Grenoble (Frankreich) Drehmeissel
DE2749830C2 (de) * 1977-11-08 1985-10-24 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hobelmeißel
DE2817796B2 (de) * 1978-04-22 1980-02-21 Fried. Krupp Gmbh, 4300 Essen Werkzeug zum Abtragen von Gesteinen und Mineralien
AT369859B (de) * 1981-03-12 1983-02-10 Voest Alpine Ag Einrichtung zum kuehlen der meissel einer schraemmaschine
DE3334031A1 (de) * 1983-09-21 1985-04-04 Bergwerksverband Gmbh, 4300 Essen Schraemmeissel mit fuer die unterstuetzung durch hochdruckfluessigkeitsstrahlen ausgebildetem meisselkopf
DE3403344A1 (de) * 1984-02-01 1985-08-01 Belzer-Dowidat Gmbh Werkzeug-Union, 5600 Wuppertal Abbauwerkzeug

Also Published As

Publication number Publication date
EP0229238A1 (de) 1987-07-22
EP0229238B1 (de) 1989-05-31
ATE43676T1 (de) 1989-06-15
DE3544126C1 (de) 1987-08-06

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