ES400459A1 - Un mecanismo de cierre y rectificacion para soportes de es-cudos de minas. - Google Patents
Un mecanismo de cierre y rectificacion para soportes de es-cudos de minas.Info
- Publication number
- ES400459A1 ES400459A1 ES400459A ES400459A ES400459A1 ES 400459 A1 ES400459 A1 ES 400459A1 ES 400459 A ES400459 A ES 400459A ES 400459 A ES400459 A ES 400459A ES 400459 A1 ES400459 A1 ES 400459A1
- Authority
- ES
- Spain
- Prior art keywords
- shield
- shield unit
- plates
- debris
- gap
- 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
- E21D23/03—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor having protective means, e.g. shields, for preventing or impeding entry of loose material into the working space or support
-
- 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)
- Excavating Of Shafts Or Tunnels (AREA)
- Actuator (AREA)
- Processing Of Solid Wastes (AREA)
- Lining And Supports For Tunnels (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUBA2550A HU162717B (ja) | 1971-03-05 | 1971-03-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES400459A1 true ES400459A1 (es) | 1974-12-16 |
Family
ID=10993327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES400459A Expired ES400459A1 (es) | 1971-03-05 | 1972-03-04 | Un mecanismo de cierre y rectificacion para soportes de es-cudos de minas. |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5512520B1 (ja) |
AT (1) | AT318522B (ja) |
AU (1) | AU459296B2 (ja) |
BE (1) | BE780246A (ja) |
DE (2) | DE2210757B2 (ja) |
ES (1) | ES400459A1 (ja) |
FR (1) | FR2128636B1 (ja) |
GB (1) | GB1381544A (ja) |
HU (1) | HU162717B (ja) |
PL (1) | PL75035B1 (ja) |
YU (1) | YU34450B (ja) |
ZA (1) | ZA721304B (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2308424C3 (de) * | 1973-02-21 | 1982-09-16 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Staubabsaugvorrichtung für Abbaubetriebe |
DE2319909C2 (de) * | 1973-04-19 | 1982-07-01 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbaugestell mit seitlich ausstellbarer Abstütz- und Verzugseinrichtung |
DE2407227B1 (de) * | 1974-02-15 | 1975-06-05 | Bochumer Eisen Heintzmann | Hangendkappen-Anordnung fuer Schildausbaugestelle |
DE2547853C2 (de) * | 1975-10-25 | 1984-04-05 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbaueinheit |
GB1568967A (en) * | 1976-02-06 | 1980-06-11 | Dowty Mining Equipment Ltd | Mine roof support |
DE2808205C2 (de) * | 1978-02-25 | 1985-10-10 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische Steuerung für eine an der Kappe oder an dem Bruchschild eines Schreitausbaus angeordnete Spaltabdeckung |
DE2832875C2 (de) * | 1978-07-27 | 1985-11-07 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische Steuerung für eine an der Kappe oder am Bruchschild eines Ausbaugliedes einseitig angeordnete Spaltabdeck- und Ausrichtvorrichtung |
DE2853050C2 (de) * | 1978-12-08 | 1985-10-03 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Seitliche Abdichtungsvorrichtung für einen Ausbaurahmen im untertägigen Bergbau |
DE2942269A1 (de) * | 1979-10-19 | 1981-04-30 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Spaltabdeckung fuer einen schreitausbau u.dgl. |
HU179856B (en) * | 1980-05-06 | 1982-12-28 | Varpalotai Szenbanyak | Apparatus for nining particularly expolating thick seams |
DE3833842C1 (en) * | 1988-10-05 | 1989-08-31 | Bochumer Eisenhuette Heintzmann Gmbh & Co Kg, 4630 Bochum, De | Powered support assembly |
DE4214690C2 (de) * | 1992-05-02 | 1998-09-17 | Dbt Gmbh | Spaltabdeckung für Ausbaugestelle, insbesondere Schildausbaugestelle |
CN108222935B (zh) | 2015-06-24 | 2019-09-17 | 北京中矿创新联盟能源环境科学研究院 | 无巷道无煤柱自留巷开采工法的装备系统 |
CN117108331B (zh) * | 2023-10-23 | 2024-01-02 | 山西新龙重工高分子科技有限公司 | 一种单元式液压支架 |
-
1971
- 1971-03-05 HU HUBA2550A patent/HU162717B/hu unknown
-
1972
- 1972-02-28 ZA ZA721304A patent/ZA721304B/xx unknown
- 1972-02-29 AT AT165372A patent/AT318522B/de not_active IP Right Cessation
- 1972-03-02 YU YU525/72A patent/YU34450B/xx unknown
- 1972-03-03 FR FR7207604A patent/FR2128636B1/fr not_active Expired
- 1972-03-03 PL PL1972153871A patent/PL75035B1/pl unknown
- 1972-03-04 ES ES400459A patent/ES400459A1/es not_active Expired
- 1972-03-04 JP JP2269972A patent/JPS5512520B1/ja active Pending
- 1972-03-06 GB GB1037572A patent/GB1381544A/en not_active Expired
- 1972-03-06 AU AU39649/72A patent/AU459296B2/en not_active Expired
- 1972-03-06 DE DE19722210757 patent/DE2210757B2/de not_active Ceased
- 1972-03-06 BE BE780246A patent/BE780246A/xx not_active IP Right Cessation
- 1972-03-06 DE DE19727208525U patent/DE7208525U/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2128636B1 (ja) | 1981-04-30 |
ZA721304B (en) | 1973-06-27 |
YU34450B (en) | 1979-07-10 |
YU52572A (en) | 1978-12-31 |
HU162717B (ja) | 1973-04-28 |
JPS5512520B1 (ja) | 1980-04-02 |
PL75035B1 (en) | 1974-12-31 |
DE2210757B2 (de) | 1977-10-20 |
BE780246A (fr) | 1972-07-03 |
GB1381544A (en) | 1975-01-22 |
DE2210757A1 (de) | 1972-11-02 |
AU3964972A (en) | 1973-09-13 |
AU459296B2 (en) | 1975-03-05 |
AT318522B (de) | 1974-10-25 |
FR2128636A1 (ja) | 1972-10-20 |
DE7208525U (de) | 1978-08-24 |
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