ZA85238B - Improvements in mobile support assemblies for underground mine workings - Google Patents
Improvements in mobile support assemblies for underground mine workingsInfo
- Publication number
- ZA85238B ZA85238B ZA85238A ZA85238A ZA85238B ZA 85238 B ZA85238 B ZA 85238B ZA 85238 A ZA85238 A ZA 85238A ZA 85238 A ZA85238 A ZA 85238A ZA 85238 B ZA85238 B ZA 85238B
- Authority
- ZA
- South Africa
- Prior art keywords
- mobile support
- support assemblies
- underground mine
- mine workings
- workings
- Prior art date
Links
- 230000000712 assembly Effects 0.000 title 1
- 238000000429 assembly Methods 0.000 title 1
- 230000003245 working effect Effects 0.000 title 1
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
- E21D23/0017—Pile type supports
- E21D23/0026—Pile type supports comprising three walking elements
-
- 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
- E21D23/087—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam
- E21D23/088—Advancing mechanisms forming parts of the roof supports acting directly on the walls of the seam by means of wheels, rollers, caterpillars, belts or worm screws
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)
- Road Paving Structures (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843400772 DE3400772A1 (en) | 1984-01-12 | 1984-01-12 | Mobile support combination, in particular for pillar-and-breast work |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA85238B true ZA85238B (en) | 1985-09-25 |
Family
ID=6224720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA85238A ZA85238B (en) | 1984-01-12 | 1985-01-10 | Improvements in mobile support assemblies for underground mine workings |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU565554B2 (en) |
DE (1) | DE3400772A1 (en) |
ZA (1) | ZA85238B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3643120A1 (en) * | 1986-01-22 | 1987-07-30 | Voest Alpine Ag | MOVABLE RACK |
AT388971B (en) * | 1986-01-22 | 1989-09-25 | Voest Alpine Ag | TRACK BODY ROLLABLE ON TRACK |
DE3923376C1 (en) * | 1989-07-14 | 1990-07-05 | Paurat Gmbh, 4223 Voerde, De | Self propelling machine for mining coal - comprises platform supported by vertical hydraulic jacks and raking jacks |
RU2514059C2 (en) * | 2011-10-25 | 2014-04-27 | Александр Александрович Перфилов | Powered support for steep slopes |
CN114909168A (en) * | 2021-02-10 | 2022-08-16 | 山东兖煤黑豹矿业装备有限公司 | Supporting device and tunneling system |
-
1984
- 1984-01-12 DE DE19843400772 patent/DE3400772A1/en not_active Withdrawn
-
1985
- 1985-01-10 AU AU37599/85A patent/AU565554B2/en not_active Ceased
- 1985-01-10 ZA ZA85238A patent/ZA85238B/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE3400772A1 (en) | 1985-07-25 |
AU565554B2 (en) | 1987-09-17 |
AU3759985A (en) | 1985-07-18 |
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