AU3964972A - Sealing and position rectifying mechanism for mine shield supports - Google Patents

Sealing and position rectifying mechanism for mine shield supports

Info

Publication number
AU3964972A
AU3964972A AU39649/72A AU3964972A AU3964972A AU 3964972 A AU3964972 A AU 3964972A AU 39649/72 A AU39649/72 A AU 39649/72A AU 3964972 A AU3964972 A AU 3964972A AU 3964972 A AU3964972 A AU 3964972A
Authority
AU
Australia
Prior art keywords
sealing
rectifying mechanism
shield supports
position rectifying
mine shield
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
AU39649/72A
Other versions
AU459296B2 (en
Inventor
DR. FERENC MARTOS and TITUSZ JUTAS MATYAS MARTINHO
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.)
Banyaszati Kutato Intezet
Original Assignee
Intezet B K
SZENBAYAK V
Vallalat O B
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 Intezet B K, SZENBAYAK V, Vallalat O B filed Critical Intezet B K
Publication of AU3964972A publication Critical patent/AU3964972A/en
Application granted granted Critical
Publication of AU459296B2 publication Critical patent/AU459296B2/en
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
    • E21D23/03—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)
  • Lining And Supports For Tunnels (AREA)
  • Processing Of Solid Wastes (AREA)
  • Actuator (AREA)
AU39649/72A 1971-03-05 1972-03-06 Sealing and position rectifying mechanism for mine shield supports Expired AU459296B2 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
AU3964972A true AU3964972A (en) 1973-09-13
AU459296B2 AU459296B2 (en) 1975-03-05

Family

ID=10993327

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39649/72A Expired AU459296B2 (en) 1971-03-05 1972-03-06 Sealing and position rectifying mechanism for mine shield supports

Country Status (12)

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

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308424C3 (en) * 1973-02-21 1982-09-16 Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck Dust extraction device for mining operations
DE2319909C2 (en) * 1973-04-19 1982-07-01 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shield support frame with support and delay device that can be opened to the side
DE2407227B1 (en) * 1974-02-15 1975-06-05 Bochumer Eisen Heintzmann Hang end cap arrangement for shield support frames
DE2547853C2 (en) * 1975-10-25 1984-04-05 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Shield support unit
GB1568967A (en) * 1976-02-06 1980-06-11 Dowty Mining Equipment Ltd Mine roof support
DE2808205C2 (en) * 1978-02-25 1985-10-10 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulic control for a gap cover arranged on the cap or on the breakage shield of a walking support
DE2832875C2 (en) * 1978-07-27 1985-11-07 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulic control for a gap covering and alignment device arranged on one side on the cap or on the fracture shield of an extension member
DE2853050C2 (en) * 1978-12-08 1985-10-03 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Lateral sealing device for a support frame in underground mining
DE2942269A1 (en) * 1979-10-19 1981-04-30 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen GAP COVERING FOR SCREAMING AND THE LIKE
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 (en) * 1992-05-02 1998-09-17 Dbt Gmbh Gap cover for removal frames, in particular shield removal frames
CN106168131B (en) 2015-06-24 2018-05-18 北京中矿创新联盟能源环境科学研究院 Equipment system of roadway-free coal-pillar-free self-retained roadway mining method
CN117108331B (en) * 2023-10-23 2024-01-02 山西新龙重工高分子科技有限公司 Unit type hydraulic support

Also Published As

Publication number Publication date
FR2128636A1 (en) 1972-10-20
HU162717B (en) 1973-04-28
FR2128636B1 (en) 1981-04-30
BE780246A (en) 1972-07-03
GB1381544A (en) 1975-01-22
AT318522B (en) 1974-10-25
DE2210757B2 (en) 1977-10-20
DE2210757A1 (en) 1972-11-02
ZA721304B (en) 1973-06-27
YU52572A (en) 1978-12-31
DE7208525U (en) 1978-08-24
JPS5512520B1 (en) 1980-04-02
ES400459A1 (en) 1974-12-16
AU459296B2 (en) 1975-03-05
PL75035B1 (en) 1974-12-31
YU34450B (en) 1979-07-10

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