ZA787343B - Advance mechanism for a mine roof support assembly - Google Patents

Advance mechanism for a mine roof support assembly

Info

Publication number
ZA787343B
ZA787343B ZA787343A ZA787343A ZA787343B ZA 787343 B ZA787343 B ZA 787343B ZA 787343 A ZA787343 A ZA 787343A ZA 787343 A ZA787343 A ZA 787343A ZA 787343 B ZA787343 B ZA 787343B
Authority
ZA
South Africa
Prior art keywords
support assembly
roof support
advance mechanism
mine roof
mine
Prior art date
Application number
ZA787343A
Inventor
K Becker
L Plevak
W Heyer
J Dodt
Original Assignee
Gewerk Eisenhuette Westfalia
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 Gewerk Eisenhuette Westfalia filed Critical Gewerk Eisenhuette Westfalia
Publication of ZA787343B publication Critical patent/ZA787343B/en

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
    • E21D23/0004—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
    • E21D23/0034—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 comprising a goaf shield articulated to a base member
    • 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
    • E21D23/081—Advancing mechanisms forming parts of the roof supports
    • E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine

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)
  • Attitude Control For Articles On Conveyors (AREA)
ZA787343A 1977-12-29 1978-12-28 Advance mechanism for a mine roof support assembly ZA787343B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2758661A DE2758661C2 (en) 1977-12-29 1977-12-29 Rear device for a face conveyor and an extension frame arranged downstream of this

Publications (1)

Publication Number Publication Date
ZA787343B true ZA787343B (en) 1980-01-30

Family

ID=6027610

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA787343A ZA787343B (en) 1977-12-29 1978-12-28 Advance mechanism for a mine roof support assembly

Country Status (4)

Country Link
JP (1) JPS5729799A (en)
DE (1) DE2758661C2 (en)
PL (1) PL121459B1 (en)
ZA (1) ZA787343B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379661A (en) * 1980-09-09 1983-04-12 Gewerkschaft Eisenhutte Westfalia Advance mechanism for a mine roof support unit
JPH05242693A (en) * 1992-02-28 1993-09-21 Mitsubishi Electric Corp Semiconductor storage device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1438796A (en) * 1972-06-14 1976-06-09 Groetschel Karl Maria Advancing mine support systems
DE2232896A1 (en) * 1972-07-05 1974-01-24 Groetschel Karl Maria Dipl Ing HIKING EXTENSION UNIT IN THE FORM OF A THREE-PARTY
GB1472552A (en) * 1974-11-15 1977-05-04 Gullick Dobson Ltd Mine roof supports
DE2540048C2 (en) * 1975-09-09 1984-01-26 Klöckner-Werke AG, 4100 Duisburg Device with a rear cylinder for a shield support frame traveling with a face conveyor and with a push piston gear for lifting the coal face end of the bed sleeper while moving back

Also Published As

Publication number Publication date
DE2758661C2 (en) 1986-01-30
JPS5729799A (en) 1982-02-17
PL121459B1 (en) 1982-05-31
DE2758661A1 (en) 1979-07-05

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