ES347208A1 - Grupo de entibacion progresiva. - Google Patents

Grupo de entibacion progresiva.

Info

Publication number
ES347208A1
ES347208A1 ES347208A ES347208A ES347208A1 ES 347208 A1 ES347208 A1 ES 347208A1 ES 347208 A ES347208 A ES 347208A ES 347208 A ES347208 A ES 347208A ES 347208 A1 ES347208 A1 ES 347208A1
Authority
ES
Spain
Prior art keywords
roof
inner frame
outer frame
roof structure
conveyor
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
ES347208A
Other languages
English (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.)
KARL M GROETCHEL
Original Assignee
KARL M GROETCHEL
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
Priority claimed from DE1966G0048476 external-priority patent/DE1483910B1/de
Application filed by KARL M GROETCHEL filed Critical KARL M GROETCHEL
Publication of ES347208A1 publication Critical patent/ES347208A1/es
Expired 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
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports
    • 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
    • E21D23/0004—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor along the working face
    • E21D23/0017—Pile type supports
    • E21D23/0026—Pile type supports comprising three walking elements
    • 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
    • E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
    • E21D23/0069—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices without essential advancing shifting devices

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)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Body Structure For Vehicles (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
ES347208A 1966-11-16 1967-11-15 Grupo de entibacion progresiva. Expired ES347208A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1966G0048476 DE1483910B1 (de) 1966-11-16 1966-11-16 Wanderausbauaggregat in Form eines Dreiergespannes
DEG0049571 1967-03-15

Publications (1)

Publication Number Publication Date
ES347208A1 true ES347208A1 (es) 1969-01-16

Family

ID=25978859

Family Applications (1)

Application Number Title Priority Date Filing Date
ES347208A Expired ES347208A1 (es) 1966-11-16 1967-11-15 Grupo de entibacion progresiva.

Country Status (5)

Country Link
US (1) US3490243A (es)
AT (1) AT283241B (es)
ES (1) ES347208A1 (es)
FR (1) FR1551223A (es)
GB (1) GB1198839A (es)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1236590A (en) * 1968-10-01 1971-06-23 Gullick Dobson Ltd Improvements in or relating to mine roof supports
AU464341B2 (en) * 1970-08-13 1975-08-21 Karl Maria Groetschel Improvements relating to advancing roof supports for mine workings
DE2222801A1 (de) * 1972-05-10 1973-11-22 Gewerk Eisenhuette Westfalia Schreitender ausbau fuer gewinnungsbetriebe und verfahren zum abbau von lagerstaetten, insbesondere in kurzstreben mit vor kopf arbeitender gewinnungsmaschine
GB1408429A (en) * 1972-07-14 1975-10-01 Mastabar Mining Equipment Co L Mine roof supports
DE2331309B2 (de) * 1973-06-20 1975-04-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Schildausbaugestell mit Führungsvorrichtung
US3925995A (en) * 1974-08-12 1975-12-16 Gewerk Eisenhuette Westfalia Roof support frames for mining
DE2506779C3 (de) * 1975-02-18 1980-11-13 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Anordnung zum Rücken von Schildausbau
DE2720179B2 (de) * 1977-05-05 1979-07-12 Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum Ausbaugespann, bestehend aus schild- oder bockartigen Ausbaugestellen
DE2758663C2 (de) * 1977-12-29 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerksanordnung für einen Schreitausbau der geneigten und steilen Lagerung
CZ2010792A3 (cs) * 2010-11-02 2012-01-18 Ostroj A.S. Jednotka dulní mechanizované výztuže, zejména pro velmi mocné strmé uhelné sloje
CN104314594B (zh) * 2014-09-18 2017-11-21 中国煤炭科工集团太原研究院有限公司 快速掘进超前支架
CN109854288B (zh) * 2019-03-21 2024-09-24 山东矿机华能装备制造有限公司 挡矸装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1319372A (fr) * 1962-01-17 1963-03-01 Lorraine Anciens Ets Dietrich Pile marchante pour soutènement de mines
US3328966A (en) * 1963-03-29 1967-07-04 Stamicarbon Movable face support for use in mines
GB1044907A (en) * 1963-08-08 1966-10-05 Electro Hydraulics Ltd Improvements in or relating to mine roof supports

Also Published As

Publication number Publication date
US3490243A (en) 1970-01-20
AT283241B (de) 1970-07-27
FR1551223A (es) 1968-12-27
GB1198839A (en) 1970-07-15

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