AU540247B2 - Self advancing mine roof support - Google Patents
Self advancing mine roof supportInfo
- Publication number
- AU540247B2 AU540247B2 AU89490/82A AU8949082A AU540247B2 AU 540247 B2 AU540247 B2 AU 540247B2 AU 89490/82 A AU89490/82 A AU 89490/82A AU 8949082 A AU8949082 A AU 8949082A AU 540247 B2 AU540247 B2 AU 540247B2
- 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.)
- Ceased
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08201227A GB2115046B (en) | 1982-01-16 | 1982-01-16 | Self-advancing roof supports |
GB8201227 | 1982-01-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU8949082A AU8949082A (en) | 1983-09-08 |
AU540247B2 true 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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1503750A (en) * | 1975-05-22 | 1978-03-15 | Fletcher Sutcliffe Wild Ltd | Mining equipment |
-
1982
- 1982-01-16 GB GB08201227A patent/GB2115046B/en not_active Expired
- 1982-10-06 ZA ZA827321A patent/ZA827321B/en unknown
- 1982-10-19 AU AU89490/82A patent/AU540247B2/en not_active Ceased
- 1982-11-09 IN IN1311/CAL/82A patent/IN156673B/en unknown
-
1983
- 1983-01-17 DE DE19833301262 patent/DE3301262A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
GB2115046A (en) | 1983-09-01 |
AU8949082A (en) | 1983-09-08 |
DE3301262A1 (en) | 1983-07-28 |
ZA827321B (en) | 1983-08-31 |
IN156673B (en) | 1985-10-12 |
GB2115046B (en) | 1985-06-26 |
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