ES8603618A1 - Unos elementos de union de un soporte de techumbre de mina con un apoyo, como un transportador flexible - Google Patents

Unos elementos de union de un soporte de techumbre de mina con un apoyo, como un transportador flexible

Info

Publication number
ES8603618A1
ES8603618A1 ES536905A ES536905A ES8603618A1 ES 8603618 A1 ES8603618 A1 ES 8603618A1 ES 536905 A ES536905 A ES 536905A ES 536905 A ES536905 A ES 536905A ES 8603618 A1 ES8603618 A1 ES 8603618A1
Authority
ES
Spain
Prior art keywords
cover
attachment means
roof support
means therefor
mine roof
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
ES536905A
Other languages
English (en)
Other versions
ES536905A0 (es
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Publication of ES8603618A1 publication Critical patent/ES8603618A1/es
Publication of ES536905A0 publication Critical patent/ES536905A0/es
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Support Of The Bearing (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Lining And Supports For Tunnels (AREA)

Abstract

DISPOSITIVO DE UNION DE UN SOPORTE DE ENTIBACION DEL TECHO DE UNA MINA A UN APOYO, Y SOPORTES DE ENTIBACION CORRESPONDIENTE. CONSTA DE: UNA UNIDAD DE BASE (10); UNA CUBIERTA (11) QUE SE APLICA AL TECHO DE LA MISMA Y ELEMENTOS DE SOPORTE (12, 13) QUE SEPARAN LA UNIDAD BASE Y LA CUBIERTA PARA PROPORCIONAR UN PASILLO A LOS MINEROS ENTRE LA UNIDAD DE BASE Y LA CUBIERTA, COMPRENDIENDO LOS ELEMENTOS DE UNION UNA DISPOSICION DE PUNTALES, CUYO EXTREMO FRONTAL ES (16), OPERABLES PARA EFECTUAR EL MOVIMIENTO RELATIVO ENTRE EL SOPORTE DE ENTIBACION Y EL APOYO; ELEMENTOS PARA EXTENDER Y RETRAER LOS PUNTALES AL UNISONO; Y UNA ESTRUCTURA PROTECTORA (14), ESTANDO LOS PUNTALES POSICIONADOS LADO A LADO BAJO LA ESTRUCTURA PROTECTORA, DE FORMA QUE DURANTE EL USO, LA ESTRUCTURA PROTECTORA PROPORCIONA UNA PLATAFORMA EN EL PASILLO.
ES536905A 1983-10-22 1984-10-19 Unos elementos de union de un soporte de techumbre de mina con un apoyo, como un transportador flexible Granted ES536905A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838328281A GB8328281D0 (en) 1983-10-22 1983-10-22 Mine roof supports

Publications (2)

Publication Number Publication Date
ES8603618A1 true ES8603618A1 (es) 1985-12-16
ES536905A0 ES536905A0 (es) 1985-12-16

Family

ID=10550588

Family Applications (1)

Application Number Title Priority Date Filing Date
ES536905A Granted ES536905A0 (es) 1983-10-22 1984-10-19 Unos elementos de union de un soporte de techumbre de mina con un apoyo, como un transportador flexible

Country Status (6)

Country Link
US (1) US4605341A (es)
DE (1) DE3438692A1 (es)
ES (1) ES536905A0 (es)
GB (2) GB8328281D0 (es)
IN (1) IN163003B (es)
ZA (1) ZA848192B (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101634230B (zh) * 2009-06-02 2011-11-16 山西晋城无烟煤矿业集团有限责任公司 采煤工作面自移式超前支架

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694293A (en) * 1953-05-08 1954-11-16 Hydrauliques Pour L Ind Minier Propping device for roofs of mine levels
GB950066A (en) * 1960-02-18 1964-02-19 Gullick Ltd Improvements in or relating to advancing roof supporting means for mines
GB1079706A (en) * 1963-12-02 1967-08-16 Stamicarbon Movable mine roof supports
GB1171944A (en) * 1965-11-30 1969-11-26 Karl Maria Groetschel Improvements relating to Roof Supports for Mine Workings.
GB1179233A (en) * 1966-02-15 1970-01-28 Wild A G & Co Ltd Improvements in or relating to Fluid Operated Roof Supports.
DE1303649B (de) * 1966-10-05 1972-05-25 Rheinstahl Ag, 4300 Essen Rückvorrichtung als spannungsfreie Verbindung der Einzelrahmen eines wandernden Grubenausbaues mit dem einen Hobel führenden Strohförderer
DE1277789B (de) * 1967-01-13 1968-09-19 Gewerk Eisenhuette Westfalia Hydraulisch wanderndes Ausbaugestell
DE1758448A1 (de) * 1968-06-01 1971-01-28 Kloeckner Werke Ag Hydraulischer Strebausbau
GB1384054A (en) * 1971-03-30 1975-02-19 Dowty Mining Equipment Ltd Mine roof support
ES402534A1 (es) * 1971-06-16 1976-04-16 Groetschel Karl Maria Sistema con su correspondiente dispositivo para la entiba- cion progresiva con partes de asiento alzables.
GB1414257A (en) * 1973-02-12 1975-11-19 Taiheiyo Coal Mining Co Ltd Gate self-advancing support system
GB1472552A (en) * 1974-11-15 1977-05-04 Gullick Dobson Ltd Mine roof supports
US4082360A (en) * 1976-06-23 1978-04-04 Peabody Coal Company Mining apparatus and method
GB1595879A (en) * 1977-09-22 1981-08-19 Hemscheidt Maschf Hermann Self-advancing mine-roof support
ES476433A1 (es) * 1977-12-29 1979-10-16 Gewerk Eisenhuette Westfalia Perfeccionamientos en mecanismos progresivos para entibacio-nes progresivas hidraulicas
DE2815374C2 (de) * 1978-04-10 1982-04-29 Peter 2061 Bliestorf Stübbe Hufeisenhalterung
DE2928150C2 (de) * 1979-07-12 1981-12-17 Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum Schildausbaugestell
FR2478194A1 (fr) * 1980-03-15 1981-09-18 Hemscheidt Maschf Hermann Dispositif de guidage pour chevalets de soutenement marchant
DE3034645A1 (de) * 1980-09-13 1982-04-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk fuer einen schreitausbau, insbesondere fuer einen schild- oder bockausbau
GB2108559B (en) * 1981-10-23 1985-09-04 Dobson Park Ind Mine roof support

Also Published As

Publication number Publication date
DE3438692A1 (de) 1985-05-09
ZA848192B (en) 1985-06-26
ES536905A0 (es) 1985-12-16
GB8328281D0 (en) 1983-11-23
GB2148370B (en) 1987-03-11
IN163003B (es) 1988-07-30
GB2148370A (en) 1985-05-30
US4605341A (en) 1986-08-12
GB8426284D0 (en) 1984-11-21

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