DE2224438C2 - Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb - Google Patents
Schildausbau für Abbaustreben im untertä'gigen GrubenbetriebInfo
- Publication number
- DE2224438C2 DE2224438C2 DE2224438A DE2224438A DE2224438C2 DE 2224438 C2 DE2224438 C2 DE 2224438C2 DE 2224438 A DE2224438 A DE 2224438A DE 2224438 A DE2224438 A DE 2224438A DE 2224438 C2 DE2224438 C2 DE 2224438C2
- Authority
- DE
- Germany
- Prior art keywords
- shield
- conveyor
- lying
- extension
- threshold
- 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.)
- Expired
Links
- 238000005065 mining Methods 0.000 title claims description 11
- 241001669679 Eleotris Species 0.000 claims description 15
- 238000000605 extraction Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 206010042674 Swelling Diseases 0.000 claims description 2
- 239000003245 coal Substances 0.000 claims description 2
- 230000008961 swelling Effects 0.000 claims description 2
- 238000009412 basement excavation Methods 0.000 claims 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 claims 1
- 230000036461 convulsion Effects 0.000 claims 1
- 210000003608 fece Anatomy 0.000 claims 1
- 239000010871 livestock manure Substances 0.000 claims 1
- 240000007124 Brassica oleracea Species 0.000 description 1
- 235000003899 Brassica oleracea var acephala Nutrition 0.000 description 1
- 235000011301 Brassica oleracea var capitata Nutrition 0.000 description 1
- 235000001169 Brassica oleracea var oleracea Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 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
- E21D23/04—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
- E21D23/0445—Extensions of the base member supporting the conveyor
-
- 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
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)
- Excavating Of Shafts Or Tunnels (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2224438A DE2224438C2 (de) | 1972-05-19 | 1972-05-19 | Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb |
GB2243973A GB1424276A (en) | 1972-05-19 | 1973-05-10 | Shield type self advancing roof support system for supporting the roof of a longwall face in a mine |
BE130960A BE799353A (fr) | 1972-05-19 | 1973-05-10 | Soutenement a boucliers pour galerie de taille en exploitation souterraine, |
AU55775/73A AU474951B2 (en) | 1972-05-19 | 1973-05-16 | Shield type roof support system for controlling the roof at longwall faces in mines |
FR7318132A FR2185748B3 (en, 2012) | 1972-05-19 | 1973-05-18 | |
US361623A US3896626A (en) | 1972-05-19 | 1973-05-18 | Mine lining and conveyor combination |
PL1973162656A PL85831B1 (en, 2012) | 1972-05-19 | 1973-05-18 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2224438A DE2224438C2 (de) | 1972-05-19 | 1972-05-19 | Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb |
Publications (3)
Publication Number | Publication Date |
---|---|
DE2224438A1 DE2224438A1 (en, 2012) | 1973-08-09 |
DE2224438B1 DE2224438B1 (de) | 1973-08-09 |
DE2224438C2 true DE2224438C2 (de) | 1975-06-05 |
Family
ID=5845325
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2224438A Expired DE2224438C2 (de) | 1972-05-19 | 1972-05-19 | Schildausbau für Abbaustreben im untertä'gigen Grubenbetrieb |
Country Status (7)
Country | Link |
---|---|
US (1) | US3896626A (en, 2012) |
AU (1) | AU474951B2 (en, 2012) |
BE (1) | BE799353A (en, 2012) |
DE (1) | DE2224438C2 (en, 2012) |
FR (1) | FR2185748B3 (en, 2012) |
GB (1) | GB1424276A (en, 2012) |
PL (1) | PL85831B1 (en, 2012) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2522117A1 (de) * | 1975-05-17 | 1976-12-02 | Bochumer Eisen Heintzmann | Liegendschwellenanordnung fuer ein schildausbaugestell |
DE2522111B2 (de) * | 1975-05-17 | 1978-10-12 | Bochumer Eisenhuette Heintzmann Gmbh & Co, 4630 Bochum | Schildausbaugespann mit Führungsvorrichtung |
DE2554554C3 (de) * | 1975-12-04 | 1984-05-24 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Schildausbaueinheit für untertägige Strebbetriebe |
JPS5329202A (en) * | 1976-08-31 | 1978-03-18 | Taiheiyo Eng | Coal extracting method of long wall coal facing |
AU554140B2 (en) * | 1980-07-02 | 1986-08-07 | Dana Corporation | Thermally insulating coating on piston head |
CN102472102B (zh) * | 2009-07-10 | 2015-03-11 | 乔伊·姆·特拉华公司 | 长壁开采顶板支撑件 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB965172A (en) * | 1962-04-06 | 1964-07-29 | Gullick Ltd | Improvements in or relating to roof supports for mines and the like |
DE1219892B (de) * | 1964-11-14 | 1966-06-30 | Gewerk Eisenhuette Westfalia | Steuerung eines Kohlenhobels |
US3402015A (en) * | 1965-10-14 | 1968-09-17 | Universal Oil Prod Co | Multiple stage treatment of a noxious stream with cyclic high quantities of nitrogen oxides |
GB1160513A (en) * | 1966-03-04 | 1969-08-06 | Karl Maria Groetschel | Improvements relating to Roof Supports for Mine Workings. |
DE1277789B (de) * | 1967-01-13 | 1968-09-19 | Gewerk Eisenhuette Westfalia | Hydraulisch wanderndes Ausbaugestell |
US3431738A (en) * | 1967-06-06 | 1969-03-11 | Karl Maria Groetschel | Roof supporting systems for mine workings |
GB1259785A (en) * | 1968-04-26 | 1972-01-12 | Gewerk Eisenhuette Westfalia | A mineral mining installation |
US3570255A (en) * | 1968-06-10 | 1971-03-16 | Mastabar Mining Equipment Co L | Mine roof support |
FR2037349A6 (en, 2012) * | 1969-02-20 | 1970-12-31 | Gewerk Eisenhuette Westfalia |
-
1972
- 1972-05-19 DE DE2224438A patent/DE2224438C2/de not_active Expired
-
1973
- 1973-05-10 GB GB2243973A patent/GB1424276A/en not_active Expired
- 1973-05-10 BE BE130960A patent/BE799353A/xx unknown
- 1973-05-16 AU AU55775/73A patent/AU474951B2/en not_active Expired
- 1973-05-18 US US361623A patent/US3896626A/en not_active Expired - Lifetime
- 1973-05-18 PL PL1973162656A patent/PL85831B1/pl unknown
- 1973-05-18 FR FR7318132A patent/FR2185748B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
AU5577573A (en) | 1974-11-21 |
US3896626A (en) | 1975-07-29 |
FR2185748A1 (en, 2012) | 1974-01-04 |
GB1424276A (en) | 1976-02-11 |
FR2185748B3 (en, 2012) | 1976-05-07 |
BE799353A (fr) | 1973-11-12 |
AU474951B2 (en) | 1976-08-05 |
DE2224438A1 (en, 2012) | 1973-08-09 |
DE2224438B1 (de) | 1973-08-09 |
PL85831B1 (en, 2012) | 1976-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
EHJ | Ceased/non-payment of the annual fee |