ZA762780B - Walking roof support system for mechanised longwall workings in mines - Google Patents

Walking roof support system for mechanised longwall workings in mines

Info

Publication number
ZA762780B
ZA762780B ZA762780A ZA762780A ZA762780B ZA 762780 B ZA762780 B ZA 762780B ZA 762780 A ZA762780 A ZA 762780A ZA 762780 A ZA762780 A ZA 762780A ZA 762780 B ZA762780 B ZA 762780B
Authority
ZA
South Africa
Prior art keywords
mechanised
mines
support system
roof support
walking roof
Prior art date
Application number
ZA762780A
Other languages
English (en)
Inventor
G Blumenthal
P Marr
Original Assignee
Bochumer Eisen Heintzmann
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 Bochumer Eisen Heintzmann filed Critical Bochumer Eisen Heintzmann
Publication of ZA762780B publication Critical patent/ZA762780B/xx

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
    • E21D23/08—Advancing mechanisms
    • E21D23/10—Advancing mechanisms with advancing devices separate from the supporting construction

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Lining And Supports For Tunnels (AREA)
ZA762780A 1975-05-17 1976-05-10 Walking roof support system for mechanised longwall workings in mines ZA762780B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2522111A DE2522111B2 (de) 1975-05-17 1975-05-17 Schildausbaugespann mit Führungsvorrichtung

Publications (1)

Publication Number Publication Date
ZA762780B true ZA762780B (en) 1977-04-27

Family

ID=5946867

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA762780A ZA762780B (en) 1975-05-17 1976-05-10 Walking roof support system for mechanised longwall workings in mines

Country Status (5)

Country Link
US (1) US4008578A (xx)
AU (1) AU503291B2 (xx)
DE (1) DE2522111B2 (xx)
GB (1) GB1539924A (xx)
ZA (1) ZA762780B (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758663C2 (de) * 1977-12-29 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerksanordnung für einen Schreitausbau der geneigten und steilen Lagerung
DE2904544B2 (de) * 1979-02-07 1980-11-27 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Rückvorrichtung für hydraulische Schildausbaugestelle
US4463629A (en) * 1979-11-05 1984-08-07 S. Himmelstein And Company Energy efficient drive system
DE3024465A1 (de) * 1980-06-28 1982-01-28 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitender ausbau fuer untertaegige gewinnungsbetriebe, insbesondere schildausbau
DE3034645A1 (de) * 1980-09-13 1982-04-29 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk fuer einen schreitausbau, insbesondere fuer einen schild- oder bockausbau
DE3317801A1 (de) * 1983-05-17 1984-11-22 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schreitwerk fuer hydraulische ausbaugestelle, insbesondere schildausbaugestelle
RU2544345C2 (ru) 2009-07-10 2015-03-20 Джой ММ Делавэр, Инк. Кровельные опоры для сплошной выемки
AU2019369238A1 (en) * 2018-10-29 2021-05-27 Joy Global Underground Mining Llc Roof support connector

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130780B (de) * 1960-02-08 1962-06-07 Gewerk Eisenhuette Westfalia Wanderndes hydraulisches Ausbaugestell fuer untertaegige Gewinnungsbetriebe
US3197965A (en) * 1961-01-10 1965-08-03 Electro Hydraulies Ltd Self-advancing mine roof supports
US3435620A (en) * 1965-09-20 1969-04-01 Gewerk Eisenhuette Westfalia Walking mine roof support
GB1216953A (en) * 1968-10-12 1970-12-23 Gewerk Eisenhuette Westfalia Improvements in support assemblies for mineral mines
FR2038066A1 (xx) * 1969-03-24 1971-01-08 Bennes Marrel
DE2224438C2 (de) * 1972-05-19 1975-06-05 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb
US3813886A (en) * 1973-01-02 1974-06-04 G Alacchi Travelling shoring apparatus
DE2331309B2 (de) * 1973-06-20 1975-04-24 Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum Schildausbaugestell mit Führungsvorrichtung

Also Published As

Publication number Publication date
AU503291B2 (en) 1979-08-30
DE2522111A1 (de) 1976-12-02
GB1539924A (en) 1979-02-07
DE2522111B2 (de) 1978-10-12
US4008578A (en) 1977-02-22
AU1380576A (en) 1977-11-17

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