DE3631266C2 - - Google Patents
Info
- Publication number
- DE3631266C2 DE3631266C2 DE19863631266 DE3631266A DE3631266C2 DE 3631266 C2 DE3631266 C2 DE 3631266C2 DE 19863631266 DE19863631266 DE 19863631266 DE 3631266 A DE3631266 A DE 3631266A DE 3631266 C2 DE3631266 C2 DE 3631266C2
- Authority
- DE
- Germany
- Prior art keywords
- chisel
- extraction
- lug
- guided
- chain
- 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
- 238000000605 extraction Methods 0.000 claims description 38
- 239000003245 coal Substances 0.000 description 5
- 239000000969 carrier Substances 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007704 transition Effects 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
- E21D23/0004—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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/56—Slitting by cutter cables or cutter chains or by tools drawn along the working face by cables or the like, in each case guided parallel to the face, e.g. by a conveyor or by a guide parallel to a conveyor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/02—Machines which completely free the mineral from the seam solely by slitting
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)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Sawing (AREA)
- Knives (AREA)
- Earth Drilling (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863631266 DE3631266A1 (de) | 1986-09-13 | 1986-09-13 | An hydraulischen schreitausbaugestellen gefuehrte gewinnungseinrichtung |
SU874203310A SU1538905A3 (ru) | 1986-09-13 | 1987-09-11 | Выемочное устройство, направл емое по гидравлическим шагающим крепежным стойкам |
PL26770787A PL155319B1 (en) | 1986-09-13 | 1987-09-11 | Mining apparatus beeing guided in units of a hydraulic self-advancing roof support system |
FR8712589A FR2603943A1 (fr) | 1986-09-13 | 1987-09-11 | Dispositif d'abattage guide sur des chevalets hydrauliques de soutenement marchant |
CN 87106278 CN1008288B (zh) | 1986-09-13 | 1987-09-12 | 用掩护式液压支架导向的回采装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863631266 DE3631266A1 (de) | 1986-09-13 | 1986-09-13 | An hydraulischen schreitausbaugestellen gefuehrte gewinnungseinrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3631266A1 DE3631266A1 (de) | 1988-03-24 |
DE3631266C2 true DE3631266C2 (enrdf_load_stackoverflow) | 1988-07-21 |
Family
ID=6309568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19863631266 Granted DE3631266A1 (de) | 1986-09-13 | 1986-09-13 | An hydraulischen schreitausbaugestellen gefuehrte gewinnungseinrichtung |
Country Status (5)
Country | Link |
---|---|
CN (1) | CN1008288B (enrdf_load_stackoverflow) |
DE (1) | DE3631266A1 (enrdf_load_stackoverflow) |
FR (1) | FR2603943A1 (enrdf_load_stackoverflow) |
PL (1) | PL155319B1 (enrdf_load_stackoverflow) |
SU (1) | SU1538905A3 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2398108C1 (ru) * | 2009-06-10 | 2010-08-27 | Ольга Валентиновна Кочергина | Выемочная машина для пластовых полезных ископаемых |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU693027A1 (ru) * | 1976-10-12 | 1979-10-25 | Государственный проектно-конструкторский и экспериментальный институт угольного машиностроения "Гипроуглемаш" | Фронтальный агрегат |
US4209199A (en) * | 1977-11-11 | 1980-06-24 | Coal Industry (Patents) Limited | Mineral mining machines |
DE3511275C1 (de) * | 1985-03-28 | 1986-06-19 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Hydraulisches Schreitausbaugestell |
-
1986
- 1986-09-13 DE DE19863631266 patent/DE3631266A1/de active Granted
-
1987
- 1987-09-11 FR FR8712589A patent/FR2603943A1/fr not_active Withdrawn
- 1987-09-11 SU SU874203310A patent/SU1538905A3/ru active
- 1987-09-11 PL PL26770787A patent/PL155319B1/pl unknown
- 1987-09-12 CN CN 87106278 patent/CN1008288B/zh not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SU1538905A3 (ru) | 1990-01-23 |
PL267707A1 (en) | 1988-08-04 |
DE3631266A1 (de) | 1988-03-24 |
PL155319B1 (en) | 1991-11-29 |
FR2603943A1 (fr) | 1988-03-18 |
CN87106278A (zh) | 1988-05-04 |
CN1008288B (zh) | 1990-06-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: DBT DEUTSCHE BERGBAU-TECHNIK GMBH, 42109 WUPPERTAL |
|
8339 | Ceased/non-payment of the annual fee |