ZA721304B - Sealing and position rectifying mechanism for shield supports - Google Patents

Sealing and position rectifying mechanism for shield supports

Info

Publication number
ZA721304B
ZA721304B ZA721304A ZA721304A ZA721304B ZA 721304 B ZA721304 B ZA 721304B ZA 721304 A ZA721304 A ZA 721304A ZA 721304 A ZA721304 A ZA 721304A ZA 721304 B ZA721304 B ZA 721304B
Authority
ZA
South Africa
Prior art keywords
sealing
rectifying mechanism
shield supports
position rectifying
shield
Prior art date
Application number
ZA721304A
Other languages
English (en)
Inventor
T Jutas
M Martinko
F Martos
Original Assignee
Banyaszati Kutato Intezet
Orszanyagepgyarto Vallalat
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 Banyaszati Kutato Intezet, Orszanyagepgyarto Vallalat filed Critical Banyaszati Kutato Intezet
Publication of ZA721304B publication Critical patent/ZA721304B/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
    • E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
    • 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
    • E21D23/0039—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 and supported by a strut or by a row of struts parallel to the working face

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)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Actuator (AREA)
  • Processing Of Solid Wastes (AREA)
  • Lining And Supports For Tunnels (AREA)
ZA721304A 1971-03-05 1972-02-28 Sealing and position rectifying mechanism for shield supports ZA721304B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUBA2550A HU162717B (xx) 1971-03-05 1971-03-05

Publications (1)

Publication Number Publication Date
ZA721304B true ZA721304B (en) 1973-06-27

Family

ID=10993327

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA721304A ZA721304B (en) 1971-03-05 1972-02-28 Sealing and position rectifying mechanism for shield supports

Country Status (12)

Country Link
JP (1) JPS5512520B1 (xx)
AT (1) AT318522B (xx)
AU (1) AU459296B2 (xx)
BE (1) BE780246A (xx)
DE (2) DE2210757B2 (xx)
ES (1) ES400459A1 (xx)
FR (1) FR2128636B1 (xx)
GB (1) GB1381544A (xx)
HU (1) HU162717B (xx)
PL (1) PL75035B1 (xx)
YU (1) YU34450B (xx)
ZA (1) ZA721304B (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308424C3 (de) * 1973-02-21 1982-09-16 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Staubabsaugvorrichtung für Abbaubetriebe
DE2319909C2 (de) * 1973-04-19 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schildausbaugestell mit seitlich ausstellbarer Abstütz- und Verzugseinrichtung
DE2407227B1 (de) * 1974-02-15 1975-06-05 Bochumer Eisen Heintzmann Hangendkappen-Anordnung fuer Schildausbaugestelle
DE2547853C2 (de) * 1975-10-25 1984-04-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Schildausbaueinheit
GB1568967A (en) * 1976-02-06 1980-06-11 Dowty Mining Equipment Ltd Mine roof support
DE2808205C2 (de) * 1978-02-25 1985-10-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulische Steuerung für eine an der Kappe oder an dem Bruchschild eines Schreitausbaus angeordnete Spaltabdeckung
DE2832875C2 (de) * 1978-07-27 1985-11-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulische Steuerung für eine an der Kappe oder am Bruchschild eines Ausbaugliedes einseitig angeordnete Spaltabdeck- und Ausrichtvorrichtung
DE2853050C2 (de) * 1978-12-08 1985-10-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Seitliche Abdichtungsvorrichtung für einen Ausbaurahmen im untertägigen Bergbau
DE2942269A1 (de) * 1979-10-19 1981-04-30 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Spaltabdeckung fuer einen schreitausbau u.dgl.
HU179856B (en) * 1980-05-06 1982-12-28 Varpalotai Szenbanyak Apparatus for nining particularly expolating thick seams
DE3833842C1 (en) * 1988-10-05 1989-08-31 Bochumer Eisenhuette Heintzmann Gmbh & Co Kg, 4630 Bochum, De Powered support assembly
DE4214690C2 (de) * 1992-05-02 1998-09-17 Dbt Gmbh Spaltabdeckung für Ausbaugestelle, insbesondere Schildausbaugestelle
CN106168131B (zh) 2015-06-24 2018-05-18 北京中矿创新联盟能源环境科学研究院 无巷道无煤柱自留巷开采工法的装备系统
CN117108331B (zh) * 2023-10-23 2024-01-02 山西新龙重工高分子科技有限公司 一种单元式液压支架

Also Published As

Publication number Publication date
YU52572A (en) 1978-12-31
DE2210757A1 (de) 1972-11-02
PL75035B1 (en) 1974-12-31
DE2210757B2 (de) 1977-10-20
FR2128636A1 (xx) 1972-10-20
YU34450B (en) 1979-07-10
DE7208525U (de) 1978-08-24
JPS5512520B1 (xx) 1980-04-02
AU459296B2 (en) 1975-03-05
AU3964972A (en) 1973-09-13
HU162717B (xx) 1973-04-28
GB1381544A (en) 1975-01-22
BE780246A (fr) 1972-07-03
FR2128636B1 (xx) 1981-04-30
ES400459A1 (es) 1974-12-16
AT318522B (de) 1974-10-25

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