AU8949082A - Self advancing mine roof support - Google Patents

Self advancing mine roof support

Info

Publication number
AU8949082A
AU8949082A AU89490/82A AU8949082A AU8949082A AU 8949082 A AU8949082 A AU 8949082A AU 89490/82 A AU89490/82 A AU 89490/82A AU 8949082 A AU8949082 A AU 8949082A AU 8949082 A AU8949082 A AU 8949082A
Authority
AU
Australia
Prior art keywords
roof support
mine roof
advancing mine
self advancing
self
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.)
Granted
Application number
AU89490/82A
Other versions
AU540247B2 (en
Inventor
Charles John Holland
Kenneth David Prescot
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries Ltd
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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Publication of AU8949082A publication Critical patent/AU8949082A/en
Application granted granted Critical
Publication of AU540247B2 publication Critical patent/AU540247B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • E21D23/08—Advancing mechanisms
    • E21D23/081—Advancing mechanisms forming parts of the roof supports

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)
  • Pistons, Piston Rings, And Cylinders (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
AU89490/82A 1982-01-16 1982-10-19 Self advancing mine roof support Ceased AU540247B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8201227 1982-01-16
GB08201227A GB2115046B (en) 1982-01-16 1982-01-16 Self-advancing roof supports

Publications (2)

Publication Number Publication Date
AU8949082A true AU8949082A (en) 1983-09-08
AU540247B2 AU540247B2 (en) 1984-11-08

Family

ID=10527672

Family Applications (1)

Application Number Title Priority Date Filing Date
AU89490/82A Ceased AU540247B2 (en) 1982-01-16 1982-10-19 Self advancing mine roof support

Country Status (5)

Country Link
AU (1) AU540247B2 (en)
DE (1) DE3301262A1 (en)
GB (1) GB2115046B (en)
IN (1) IN156673B (en)
ZA (1) ZA827321B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143882B (en) * 1983-07-23 1986-11-05 Dowty Mining Equipment Ltd Shield supports suitable for use in mines
DE3400771A1 (en) * 1984-01-12 1985-07-18 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen EXTENSION FRAME, IN PARTICULAR SHIELD EXTENSION FRAME, WITH A LIFTING DEVICE FOR LIFTING THE RECESSED RUNNERS
HU194596B (en) * 1985-08-22 1988-02-29 Oroszlanyi Szenbanyak Supporting unit at underground widework for mechanized supporting equipment
DE3539801A1 (en) * 1985-11-09 1987-05-14 Gewerk Eisenhuette Westfalia Powered support assembly, in particular shield-type powered support assembly, with walking mechanism
GB2237837A (en) * 1989-11-11 1991-05-15 Meco Mining Equip Mine roof support assembly
DE4110681A1 (en) * 1991-04-03 1992-10-08 Bochumer Eisen Heintzmann SCREW EXTENSION RACK FOR MINING UNDERGROUND COMPANIES
CN102748054B (en) * 2012-07-03 2014-08-13 三一重型装备有限公司 Hydraulic bracket pushing mechanism and hydraulic bracket
CN104196552A (en) * 2014-07-16 2014-12-10 三一重型装备有限公司 Bottom lifting device and hydraulic support

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1503750A (en) * 1975-05-22 1978-03-15 Fletcher Sutcliffe Wild Ltd Mining equipment

Also Published As

Publication number Publication date
ZA827321B (en) 1983-08-31
IN156673B (en) 1985-10-12
DE3301262A1 (en) 1983-07-28
GB2115046A (en) 1983-09-01
GB2115046B (en) 1985-06-26
AU540247B2 (en) 1984-11-08

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