PL221610A1 - - Google Patents
Info
- Publication number
- PL221610A1 PL221610A1 PL22161080A PL22161080A PL221610A1 PL 221610 A1 PL221610 A1 PL 221610A1 PL 22161080 A PL22161080 A PL 22161080A PL 22161080 A PL22161080 A PL 22161080A PL 221610 A1 PL221610 A1 PL 221610A1
- Authority
- PL
- Poland
- Prior art keywords
- arms
- hydraulic cylinder
- horn
- bed plate
- pivotably connected
- 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
- E21D23/0427—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
- E21D23/0004—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
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Pivots And Pivotal Connections (AREA)
- Supports For Plants (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Clamps And Clips (AREA)
- Transmission Devices (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL1980221610A PL124332B1 (en) | 1980-01-25 | 1980-01-25 | Mine lining |
DE8181100546T DE3164933D1 (en) | 1980-01-25 | 1981-01-26 | Mining roof support, in particular shield-type support |
AT81100546T ATE8690T1 (de) | 1980-01-25 | 1981-01-26 | Ausbau fuer den bergbau, insbesondere schildausbau. |
EP81100546A EP0033152B1 (de) | 1980-01-25 | 1981-01-26 | Ausbau für den Bergbau, insbesondere Schildausbau |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL1980221610A PL124332B1 (en) | 1980-01-25 | 1980-01-25 | Mine lining |
Publications (2)
Publication Number | Publication Date |
---|---|
PL221610A1 true PL221610A1 (enrdf_load_html_response) | 1981-08-07 |
PL124332B1 PL124332B1 (en) | 1983-01-31 |
Family
ID=20001044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL1980221610A PL124332B1 (en) | 1980-01-25 | 1980-01-25 | Mine lining |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0033152B1 (enrdf_load_html_response) |
AT (1) | ATE8690T1 (enrdf_load_html_response) |
DE (1) | DE3164933D1 (enrdf_load_html_response) |
PL (1) | PL124332B1 (enrdf_load_html_response) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3627205C1 (en) * | 1986-08-11 | 1988-04-07 | Hemscheidt Maschf Hermann | Hydraulic self-advancing support assembly in combination with a winning apparatus circulating at the roof and floor |
CN111706378B (zh) * | 2020-06-28 | 2022-09-27 | 中煤科工开采研究院有限公司 | 一种薄煤层端头液压支架 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2507263C2 (de) * | 1975-02-20 | 1984-09-13 | Johannes 4300 Essen Winkler | Schildausbau mit Stabilisierungseinrichtung |
GB1569822A (en) * | 1976-02-03 | 1980-06-18 | Bochumer Eisen Heintzmann | Roof-supporting frame of the caving shield type for underground workings in mines |
FR2360742A1 (fr) * | 1976-05-21 | 1978-03-03 | Bennes Marrel | Pile a fleche de soutirage pour un soutenement marchant utilisable dans les mines |
AT350991B (de) * | 1977-11-14 | 1979-06-25 | Voest Ag | Schildausbaugestell |
-
1980
- 1980-01-25 PL PL1980221610A patent/PL124332B1/pl unknown
-
1981
- 1981-01-26 DE DE8181100546T patent/DE3164933D1/de not_active Expired
- 1981-01-26 AT AT81100546T patent/ATE8690T1/de not_active IP Right Cessation
- 1981-01-26 EP EP81100546A patent/EP0033152B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ATE8690T1 (de) | 1984-08-15 |
EP0033152A1 (de) | 1981-08-05 |
PL124332B1 (en) | 1983-01-31 |
EP0033152B1 (de) | 1984-07-25 |
DE3164933D1 (en) | 1984-08-30 |
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