ZA787172B - A shield support for underground mines - Google Patents
A shield support for underground minesInfo
- Publication number
- ZA787172B ZA787172B ZA787172A ZA787172A ZA787172B ZA 787172 B ZA787172 B ZA 787172B ZA 787172 A ZA787172 A ZA 787172A ZA 787172 A ZA787172 A ZA 787172A ZA 787172 B ZA787172 B ZA 787172B
- Authority
- ZA
- South Africa
- Prior art keywords
- shield support
- underground mines
- mines
- underground
- shield
- Prior art date
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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
-
- 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
-
- 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
- E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
- E21D23/0427—Shield operating devices; Hinges therefor
-
- 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
- E21D23/16—Hydraulic or pneumatic features, e.g. circuits, arrangement or adaptation of valves, setting or retracting devices
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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Actuator (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772757885 DE2757885A1 (de) | 1977-12-24 | 1977-12-24 | Schildausbaugestell fuer den grubenausbau |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA787172B true ZA787172B (en) | 1980-01-30 |
Family
ID=6027187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA787172A ZA787172B (en) | 1977-12-24 | 1978-12-21 | A shield support for underground mines |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4236850A (pl) |
| DE (1) | DE2757885A1 (pl) |
| PL (1) | PL119713B1 (pl) |
| ZA (1) | ZA787172B (pl) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3042749C2 (de) | 1980-11-13 | 1983-06-01 | Bergwerksverband Gmbh, 4300 Essen | Verfahren zur Steuerung von Schildausbau |
| DE3237969A1 (de) * | 1981-10-23 | 1983-05-05 | Dobson Park Industries PLC, Colwick, Nottingham | Wandernder strecken- oder stallausbau |
| DE3212747A1 (de) * | 1982-04-06 | 1983-10-06 | Gewerk Eisenhuette Westfalia | Einrichtung zur hubsteuerung einer zylinddergruppe eines hydraulischen ausbausystems, insbesondere zum setzen der stempel einer schreitausbaueinheit |
| FR2540932B3 (fr) * | 1983-02-16 | 1985-12-13 | Bennes Marrel | Pile de soutenement marchant, notamment pour les mines souterraines |
| DE3531668A1 (de) * | 1985-09-05 | 1987-03-12 | Gewerk Eisenhuette Westfalia | Gelenkverbindung fuer die spaltabdeckungen am bruchschild und an der hangendkappe eines schildausbaugestells |
| DE3539800A1 (de) * | 1985-11-09 | 1987-05-14 | Gewerk Eisenhuette Westfalia | Gelenkverbindung fuer die spaltabdeckung am bruchschild und an der hangendkappe eines schildausbaugestells |
| GB2188665B (en) * | 1986-04-01 | 1990-02-21 | Dobson Park Ind | Mine roof supports |
| US5156497A (en) * | 1991-11-25 | 1992-10-20 | Simmons-Rand Company | Temporary roof support for mines |
| US5312206A (en) * | 1991-11-25 | 1994-05-17 | Long-Airdox Company | High lift temporary roof support for mines |
| DE102009026135A1 (de) * | 2009-07-08 | 2011-01-13 | Bucyrus Europe Gmbh | Bruchschild für Schildausbau und Verfahren zu dessen Fertigung |
| CN120990663B (zh) * | 2025-10-22 | 2026-01-27 | 大同市同华矿机制造有限责任公司 | 一种高稳定性矿用液压支架 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1175285A (fr) * | 1956-05-30 | 1959-03-23 | étançon de mine | |
| US3127748A (en) * | 1960-05-10 | 1964-04-07 | Gullick Ltd | Mine roof supports |
| DE2151428A1 (de) * | 1971-10-15 | 1973-04-19 | Gewerk Eisenhuette Westfalia | Hydraulischer doppelteleskopstempel fuer den grubenausbau |
| AT321229B (de) * | 1972-12-28 | 1975-03-25 | Oesterr Alpine Montan | Schildausbau |
| DE2540091C2 (de) * | 1975-09-09 | 1982-06-03 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbaugestell |
| DE2644649C3 (de) * | 1976-10-02 | 1986-11-13 | Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen | Schildausbaugestell |
-
1977
- 1977-12-24 DE DE19772757885 patent/DE2757885A1/de not_active Withdrawn
-
1978
- 1978-12-13 PL PL1978211706A patent/PL119713B1/pl unknown
- 1978-12-20 US US05/971,334 patent/US4236850A/en not_active Expired - Lifetime
- 1978-12-21 ZA ZA787172A patent/ZA787172B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4236850A (en) | 1980-12-02 |
| PL119713B1 (en) | 1982-01-30 |
| PL211706A1 (pl) | 1979-09-10 |
| DE2757885A1 (de) | 1979-06-28 |
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