ES8103263A1 - Perfeccionamientos en dispositivos entibadores voladizos conuna cubierta voladiza dispuesta en forma girable, en la cu- bierta de techo de un bastidor de entibacion - Google Patents
Perfeccionamientos en dispositivos entibadores voladizos conuna cubierta voladiza dispuesta en forma girable, en la cu- bierta de techo de un bastidor de entibacionInfo
- Publication number
- ES8103263A1 ES8103263A1 ES491245A ES491245A ES8103263A1 ES 8103263 A1 ES8103263 A1 ES 8103263A1 ES 491245 A ES491245 A ES 491245A ES 491245 A ES491245 A ES 491245A ES 8103263 A1 ES8103263 A1 ES 8103263A1
- Authority
- ES
- Spain
- Prior art keywords
- bar
- main
- auxiliary
- guide members
- cylinder unit
- 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
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
- E21D23/066—Pivoted cantilever extensions therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Geology (AREA)
- Body Structure For Vehicles (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Pivots And Pivotal Connections (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
DISPOSITIVO ENTIBADOR ARTICULADO, SITUADO EN VOLADIZO, EN LA CUBIERTA DEL TECHO DE UN BASTIDOR DE ENTIBACION. CARACTERIZADO PORQUE PUEDE GIRAR 180 GRADOS ALREDEDOR DEL EXTREMO DE LA CUBIERTA DE TECHO (11) DE UN BASTIDOR DE ENTIBACION, DEDE UNATA DE TECHO, HASTA LA POSICION HORIZONTAL, PROLONGACION DE LA PUERTA DANDO POR DEBAJO DE DICHA CUBIERTA DE UN MECANISMO DE EMBOLO ALTERNATIVO (5), ARTICULADO EN LA CUBIERTA DE TECHO (1), CUYO EMBOLO (6) ACCIONA UNA ARTICULACION (7) SITUADA EN LOS EXTREMOS COMUNES DE UNA BIELA (8) Y UNA OREJETA (9), ESTANDO LA BIELA ARTICULADA EN SU EXTREMO OPUESTO SOBRE LA CUBIERTA DE TECHO Y DE VOLADIZO EXISTE UNA ARTICULACION COMUN (4). EL EMBOLO VA PROVISTO DE UN LIMITADOR DE PRESION (15) Y TAMBIEN DE UN MECANISMO DE ENCLAVAMIENTO PARA LA CUBIERTA EN VOLADIZO. EL SISTEMA OFRECE VARIANTES, USANDOSE EN EXPLOTACIONES MINERAS SUBTERRANEAS.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792918411 DE2918411A1 (de) | 1979-05-08 | 1979-05-08 | Ausbaurahmen fuer den strebausbau o.dgl. |
| DE19792942093 DE2942093C2 (de) | 1979-10-18 | 1979-10-18 | Schwenkeinrichtung für eine Vorpfändkappe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES8103263A1 true ES8103263A1 (es) | 1981-02-16 |
| ES491245A0 ES491245A0 (es) | 1981-02-16 |
Family
ID=25779009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES491245A Granted ES491245A0 (es) | 1979-05-08 | 1980-05-07 | Perfeccionamientos en dispositivos entibadores voladizos conuna cubierta voladiza dispuesta en forma girable, en la cu- bierta de techo de un bastidor de entibacion |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4347021A (es) |
| AU (1) | AU535255B2 (es) |
| CS (1) | CS253555B2 (es) |
| ES (1) | ES491245A0 (es) |
| FR (1) | FR2456210A1 (es) |
| GB (1) | GB2048355A (es) |
| PL (1) | PL123706B1 (es) |
| YU (1) | YU43472B (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3107209A1 (de) * | 1981-02-26 | 1982-09-09 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Kappenanstellvorrichtung |
| DE3115984A1 (de) * | 1981-04-22 | 1982-11-25 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Kappenanstellvorrichtung |
| FR2576058B1 (fr) * | 1985-01-15 | 1987-12-31 | Bennes Marrel | Pile de soutenement marchant, notamment pour les mines |
| GB2182704B (en) * | 1985-11-08 | 1989-01-18 | Dobson Park Ind | Mine roof supports |
| DE3605236A1 (de) * | 1986-02-19 | 1987-08-20 | Gewerk Eisenhuette Westfalia | Steuereinrichtung fuer untertaegige ausbaueinheiten |
| GB2192659B (en) * | 1986-07-15 | 1990-04-11 | Gullick Dobson Ltd | Mine roof support roof engaging device |
| GB2196371B (en) * | 1986-10-15 | 1990-05-09 | Gullick Dobson Ltd | Mine roof supports |
| DE102008029085B3 (de) * | 2008-06-20 | 2010-01-28 | Bucyrus Dbt Europe Gmbh | Schildkappe für einen Schildausbau |
| CN109838265B (zh) * | 2019-03-18 | 2024-04-02 | 中国矿业大学 | 一种沿空留巷端头支架迁移时保护顶板托盘的装置 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1230745B (de) * | 1965-03-06 | 1966-12-22 | Hoesch Bergbautechnik G M B H | An einer Kappe angelenkte Vorpfaendkappe |
| DE1224249B (de) * | 1965-05-31 | 1966-09-08 | Hermann Schwarz Kommanditgesel | Ausbaugestell fuer einen schreitenden Grubenausbau |
| GB1234662A (es) * | 1968-01-25 | 1971-06-09 | ||
| GB1270115A (en) * | 1969-03-05 | 1972-04-12 | Bonser Engineering Ltd | Improvements in or relating to mine roof support devices |
| DE2153496C3 (de) * | 1971-10-27 | 1978-12-14 | Thyssen Industrie Ag, 4300 Essen | Schreitendes Strebausbaugestell |
| US3848928A (en) * | 1973-02-12 | 1974-11-19 | Taiheiyo Coal Mining Co Ltd | Pantographic wall protector and automatic controlling device thereof |
| FR2263370A1 (en) * | 1974-03-04 | 1975-10-03 | Bennes Marrel | Mine gallery roof support - has top member connected to swinging boom by cylinder operated intermediate arm |
| GB1517763A (en) * | 1974-07-02 | 1978-07-12 | Winkler J | Underground mine roof support |
| DE2507263C2 (de) * | 1975-02-20 | 1984-09-13 | Johannes 4300 Essen Winkler | Schildausbau mit Stabilisierungseinrichtung |
-
1980
- 1980-05-02 GB GB8014660A patent/GB2048355A/en not_active Withdrawn
- 1980-05-06 FR FR8010060A patent/FR2456210A1/fr active Granted
- 1980-05-06 PL PL1980224052A patent/PL123706B1/pl unknown
- 1980-05-07 ES ES491245A patent/ES491245A0/es active Granted
- 1980-05-07 AU AU58154/80A patent/AU535255B2/en not_active Ceased
- 1980-05-08 YU YU1228/80A patent/YU43472B/xx unknown
- 1980-05-08 CS CS803247A patent/CS253555B2/cs unknown
- 1980-05-08 US US06/147,896 patent/US4347021A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4347021A (en) | 1982-08-31 |
| FR2456210A1 (fr) | 1980-12-05 |
| PL123706B1 (en) | 1982-11-30 |
| YU122880A (en) | 1983-04-30 |
| FR2456210B1 (es) | 1983-08-05 |
| PL224052A1 (es) | 1981-02-27 |
| CS253555B2 (en) | 1987-11-12 |
| AU535255B2 (en) | 1984-03-08 |
| ES491245A0 (es) | 1981-02-16 |
| GB2048355A (en) | 1980-12-10 |
| AU5815480A (en) | 1980-11-13 |
| YU43472B (en) | 1989-08-31 |
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| SU673473A1 (ru) | Устройство дл соединени частей составной рамы транспортного средства | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FD1A | Patent lapsed |
Effective date: 19970303 |