ES8204048A1 - Perfeccionamientos en caballetes de escudo para la explota- cion de yacimientos gruesos - Google Patents
Perfeccionamientos en caballetes de escudo para la explota- cion de yacimientos gruesosInfo
- Publication number
- ES8204048A1 ES8204048A1 ES503151A ES503151A ES8204048A1 ES 8204048 A1 ES8204048 A1 ES 8204048A1 ES 503151 A ES503151 A ES 503151A ES 503151 A ES503151 A ES 503151A ES 8204048 A1 ES8204048 A1 ES 8204048A1
- Authority
- ES
- Spain
- Prior art keywords
- shield
- gear
- lemniscate
- working
- guide rod
- 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
- 238000000034 method Methods 0.000 abstract 1
- 238000005065 mining Methods 0.000 abstract 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
- E21D23/0427—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
- E21D23/0043—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 two or more rows 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)
- General Details Of Gearings (AREA)
Abstract
CABALLETES DE ESCUDO PARA LA EXPLOTACION DE YACIMIENTOS GRUESOS. CONSTITUIDOS POR UN ESCUDO DE HUNDIMIENTO (27, 30) ARTICULADO A LA CUBIERTA (13) QUE ESTA APOYADA SOBRE ESTEMPLES (10) Y UN MECANISMO DE LEMNISCATA CONECTADO ENTRE LA TRAVIESA DEL SUELO (11) Y LA CUBIERTA (13); LA PARTE DE ESCUDO DE HUNDIMIENTO INFERIOR (30) ESTA CONECTADA ARTICULADAMENTE POR, AL MENOS, UNA BIELA GUIA (31), ACODADA HACIA ARRIBA, AL MECANISMO DE LEMNISCATA. EL MECANISMO DE LEMNISCATA CONSTA DE BIELAS (19, 20) ARTICULADAS A LA PARTE DE ESCUDO DE HUNDIMIENTO SUPERIOR (27), Y A UNA DE ELLAS ESTA CONECTADA LA BIELA GUIA (31).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803023282 DE3023282A1 (de) | 1980-06-21 | 1980-06-21 | Schildbock, insbesondere fuer den einsatz beim abbau maechtiger lagerstaetten im scheibenbau |
Publications (2)
Publication Number | Publication Date |
---|---|
ES503151A0 ES503151A0 (es) | 1982-04-16 |
ES8204048A1 true ES8204048A1 (es) | 1982-04-16 |
Family
ID=6105133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES503151A Expired ES8204048A1 (es) | 1980-06-21 | 1981-06-17 | Perfeccionamientos en caballetes de escudo para la explota- cion de yacimientos gruesos |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE3023282A1 (es) |
ES (1) | ES8204048A1 (es) |
FR (1) | FR2485084A1 (es) |
YU (1) | YU126681A (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3511548C3 (de) * | 1985-03-29 | 1993-12-23 | Bilfinger Berger Bau | Verfahren zur nachträglichen Herstellung einer Dichtungsschicht unter einer vorhandenen Mülldeponie |
GB2236136B (en) * | 1989-09-21 | 1993-05-26 | Dowty Mining Equipment Ltd | A mine roof support assembly |
CN105240039A (zh) * | 2015-10-29 | 2016-01-13 | 中国矿业大学 | 浮摇式液压支架 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1937308C3 (de) * | 1969-07-23 | 1983-12-15 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbauelement |
BE789390A (fr) * | 1971-10-02 | 1973-01-15 | Gewerk Eisenhuette Westfalia | Chassis de soutenement a boucliers |
GB1517763A (en) * | 1974-07-02 | 1978-07-12 | Winkler J | Underground mine roof support |
AT337639B (de) * | 1975-09-26 | 1977-07-11 | Voest Alpine Montan Ag | Schildausbau |
DE2705460A1 (de) * | 1977-02-10 | 1978-08-17 | Hemscheidt Maschf Hermann | Gewinnungsverfahren fuer maechtige lagerstaetten |
DE2748396C2 (de) * | 1977-10-28 | 1985-08-08 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Höhenveränderliche Versatzabschirmung, insbesondere für Blasversatzbetriebe |
DE2808487C2 (de) * | 1978-02-28 | 1986-10-02 | Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen | Abbaueinrichtung für den Abbau flözartiger Lagerstätten, insbesondere großer Mächtigkeit |
-
1980
- 1980-06-21 DE DE19803023282 patent/DE3023282A1/de active Granted
-
1981
- 1981-05-15 YU YU126681A patent/YU126681A/xx unknown
- 1981-06-15 FR FR8111713A patent/FR2485084A1/fr active Granted
- 1981-06-17 ES ES503151A patent/ES8204048A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2485084A1 (fr) | 1981-12-24 |
FR2485084B1 (es) | 1984-02-17 |
YU126681A (en) | 1983-12-31 |
DE3023282C2 (es) | 1988-06-09 |
DE3023282A1 (de) | 1982-01-21 |
ES503151A0 (es) | 1982-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19970203 |