CS268653B2 - Mechanized support for transition securing between face and entry - Google Patents
Mechanized support for transition securing between face and entry Download PDFInfo
- Publication number
- CS268653B2 CS268653B2 CS822617A CS261782A CS268653B2 CS 268653 B2 CS268653 B2 CS 268653B2 CS 822617 A CS822617 A CS 822617A CS 261782 A CS261782 A CS 261782A CS 268653 B2 CS268653 B2 CS 268653B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- corridor
- reinforcement
- mechanized
- reinforcement according
- reversing
- Prior art date
Links
- 230000007704 transition Effects 0.000 title claims description 10
- 230000002787 reinforcement Effects 0.000 claims description 51
- 239000000463 material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 9
- 238000005065 mining Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 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
- E21D23/0086—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries
- E21D23/0091—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor in galleries at the junction with 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)
- Excavating Of Shafts Or Tunnels (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Processing Of Meat And Fish (AREA)
- Chain Conveyers (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU81947A HU185039B (en) | 1981-04-13 | 1981-04-13 | Apparatus for provoding for support at the crossing of face entries |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS261782A2 CS261782A2 (en) | 1989-08-14 |
| CS268653B2 true CS268653B2 (en) | 1990-04-11 |
Family
ID=10952161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS822617A CS268653B2 (en) | 1981-04-13 | 1982-04-13 | Mechanized support for transition securing between face and entry |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4416566A (de) |
| AU (1) | AU549515B2 (de) |
| CS (1) | CS268653B2 (de) |
| DE (1) | DE3213601C2 (de) |
| GB (1) | GB2097050B (de) |
| HU (1) | HU185039B (de) |
| YU (1) | YU43073B (de) |
| ZA (1) | ZA822482B (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7331735B2 (en) * | 2004-11-03 | 2008-02-19 | Mckenzie Jefferson D | Apparatus, system, and method for supporting a gate entry for underground full extraction mining |
| WO2011006041A1 (en) | 2009-07-10 | 2011-01-13 | Joy Mm Delaware, Inc. | Longwall mining roof supports |
| CN102182486A (zh) * | 2011-04-01 | 2011-09-14 | 中煤北京煤矿机械有限责任公司 | 大落差过渡支架 |
| CN103046944B (zh) * | 2012-12-26 | 2015-04-22 | 三一重型装备有限公司 | 液压支架 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3072241A (en) * | 1959-09-09 | 1963-01-08 | Gewerk Eisenhuette Westfalia | Apparatus for displacing a longitudinal mining conveyor |
| US3447328A (en) * | 1966-04-30 | 1969-06-03 | Bergwerksverband Gmbh | Mine roof supports |
| DE1483939A1 (de) * | 1967-01-23 | 1969-09-25 | Podmoskovny G Pk I Exi Gornogo | Mechanisierter Grubenausbau zum Abstuetzen der Verbindungsstelle zwischen Abbaustreb und Abbaustrecken |
| GB1259785A (en) * | 1968-04-26 | 1972-01-12 | Gewerk Eisenhuette Westfalia | A mineral mining installation |
| DE2219272A1 (de) * | 1972-04-20 | 1973-11-08 | Gewerk Eisenhuette Westfalia | Vorrichtung zur verankerung der antriebsstation, insbesondere der hilfsantriebsstation, eines kettenkratzfoerderers in bergbau-gewinnungsbetrieben |
| US3855805A (en) * | 1973-02-12 | 1974-12-24 | Taiheiyo Coal Mining Co Ltd | Gate self-advancing support |
| DE2533903C3 (de) * | 1975-07-29 | 1981-07-16 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitende Ausbaueinheit für den Strebausbau im Bereich des Streb-Streckenüberganges und für die Verlagerung der Antriebsstation eines Strebförderers und/oder einer Gewinnungseinrichtung |
| DE2632307A1 (de) * | 1976-07-17 | 1978-01-26 | Hemscheidt Maschf Hermann | Streckenausbaugespann fuer den uebergangsbereich streb-strecke |
| HU179502B (en) * | 1979-05-23 | 1982-10-28 | Koezponti Banyaszati Fejleszte | Mechanized mining longwall method |
-
1981
- 1981-04-13 HU HU81947A patent/HU185039B/hu unknown
-
1982
- 1982-04-01 GB GB8209696A patent/GB2097050B/en not_active Expired
- 1982-04-12 YU YU794/82A patent/YU43073B/xx unknown
- 1982-04-13 DE DE3213601A patent/DE3213601C2/de not_active Expired
- 1982-04-13 ZA ZA822482A patent/ZA822482B/xx unknown
- 1982-04-13 CS CS822617A patent/CS268653B2/cs unknown
- 1982-04-13 US US06/367,841 patent/US4416566A/en not_active Expired - Fee Related
- 1982-04-13 AU AU82563/82A patent/AU549515B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE3213601C2 (de) | 1986-11-20 |
| YU79482A (en) | 1986-06-30 |
| ZA822482B (en) | 1983-04-27 |
| US4416566A (en) | 1983-11-22 |
| HU185039B (en) | 1984-11-28 |
| AU549515B2 (en) | 1986-01-30 |
| CS261782A2 (en) | 1989-08-14 |
| AU8256382A (en) | 1982-10-21 |
| GB2097050B (en) | 1984-12-12 |
| YU43073B (en) | 1989-02-28 |
| GB2097050A (en) | 1982-10-27 |
| DE3213601A1 (de) | 1982-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7540693B2 (en) | Method for pillar recovery in chamber-and-pillar working and tubbing unit for pillar recovery | |
| US4378132A (en) | Mining method and apparatus | |
| GB2216157A (en) | Support system for mines | |
| US4710064A (en) | Movable roof support and bolter system | |
| CS268653B2 (en) | Mechanized support for transition securing between face and entry | |
| US3439508A (en) | Mine roof support means | |
| CZ95796A3 (en) | Advancing support | |
| EP0795680B1 (de) | Kurzfront-Bergbauvorrichtung für die Pfeilergewinnung eines unterirdischen Steinkohlebergbaus | |
| US5178494A (en) | Roof support for underground excavations such as coal mines | |
| US4183700A (en) | Walking mine support | |
| AU2011274296B2 (en) | Improvements relating to belt conveyors | |
| US4231685A (en) | Roof support unit | |
| CN104533492B (zh) | 掘进工作面临时支护液压支架 | |
| SU1408069A1 (ru) | Способ отработки спаренных лав механизированными комплексами | |
| US4175891A (en) | Auxiliary walking mine support | |
| CN109838264A (zh) | 一种可保持顶板完整性的移动式巷道支护装置 | |
| RU2167306C1 (ru) | Конвейерный перегрузочный агрегат | |
| EA040616B1 (ru) | Выемочный агрегат | |
| SU220294A1 (ru) | Агрегат для реконструкции обделки эксплуатируемых тоннелей | |
| RU2098632C1 (ru) | Комплекс для ремонта горных выработок | |
| DE3329596C2 (de) | ||
| RU2194861C2 (ru) | Шпунтовое соединение | |
| SU1335706A1 (ru) | Щитова крепь | |
| RU2079664C1 (ru) | Шахтный универсальный гидравлический манипулятор | |
| SU1666696A1 (ru) | Проходческий комбайн |