FR2448625A1 - Appareil pousseur pour chevalets hydrauliques de soutenement a fleche - Google Patents
Appareil pousseur pour chevalets hydrauliques de soutenement a flecheInfo
- Publication number
- FR2448625A1 FR2448625A1 FR8002433A FR8002433A FR2448625A1 FR 2448625 A1 FR2448625 A1 FR 2448625A1 FR 8002433 A FR8002433 A FR 8002433A FR 8002433 A FR8002433 A FR 8002433A FR 2448625 A1 FR2448625 A1 FR 2448625A1
- Authority
- FR
- France
- Prior art keywords
- pushing apparatus
- hydraulic boom
- boom brackets
- hydraulic
- brackets
- 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.)
- Granted
Links
- 239000012530 fluid Substances 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
- E21D23/08—Advancing mechanisms
- E21D23/081—Advancing mechanisms forming parts of the roof supports
- E21D23/085—Advancing mechanisms forming parts of the roof supports acting on a conveyor or a guide for the mining machine
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)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Bridges Or Land Bridges (AREA)
- Chain Conveyers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2904544A DE2904544B2 (de) | 1979-02-07 | 1979-02-07 | Rückvorrichtung für hydraulische Schildausbaugestelle |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2448625A1 true FR2448625A1 (fr) | 1980-09-05 |
FR2448625B1 FR2448625B1 (US20110009641A1-20110113-C00116.png) | 1983-09-09 |
Family
ID=6062343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8002433A Granted FR2448625A1 (fr) | 1979-02-07 | 1980-02-05 | Appareil pousseur pour chevalets hydrauliques de soutenement a fleche |
Country Status (6)
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2935162C2 (de) * | 1979-08-31 | 1982-06-16 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Rück- und Verstellvorrichtung für einen Strebförderer. |
DE3024216C2 (de) * | 1980-06-27 | 1985-08-01 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Blockabspannung für eine rückbare Förder- und/oder Gewinnungsanlage |
DE3122625C1 (de) * | 1981-06-06 | 1982-11-11 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal | Rückvorrichtung für ein hydraulisches Schildausbaugestell |
DE3150127C1 (de) * | 1981-12-18 | 1983-05-05 | Bochumer Eisenhütte Heintzmann GmbH & Co KG, 4630 Bochum | Wannenartiger Befahrungsbuegel |
DE3317801A1 (de) * | 1983-05-17 | 1984-11-22 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitwerk fuer hydraulische ausbaugestelle, insbesondere schildausbaugestelle |
FR2583816B1 (fr) * | 1985-06-20 | 1987-08-21 | Bennes Marrel | Dispositif pour le ripage des piles de soutenement marchant utilisees dans les mines |
GB8722095D0 (en) * | 1987-09-19 | 1987-10-28 | Dowty Mining Equipment Ltd | Mounting ancillary equipment |
DE3843801C1 (en) * | 1988-12-24 | 1990-03-29 | Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal, De | Advancing device for a powered support assembly |
DE4207471C1 (de) * | 1992-03-10 | 1993-10-28 | Hemscheidt Maschf Hermann | Hydraulisches Schreitausbaugestell |
CN100439652C (zh) * | 2004-04-30 | 2008-12-03 | 兖矿集团有限公司 | 综采工作面顺槽超前加强支护工艺及液压支架 |
US7472914B2 (en) * | 2005-02-28 | 2009-01-06 | Anderson Brian K | Suspension system |
CN103670460B (zh) * | 2013-12-04 | 2016-04-27 | 郑州煤矿机械集团股份有限公司 | 带有移后溜装置的放顶煤液压支架底座 |
US9605539B2 (en) | 2015-02-11 | 2017-03-28 | Joy Mm Delaware, Inc. | Advancing ram pin retention device |
CN105422155A (zh) * | 2015-12-31 | 2016-03-23 | 北京华创矿安科技有限公司 | 一种差动保护型杆式液压支架 |
RU174709U1 (ru) * | 2017-03-28 | 2017-10-30 | федеральное государственное бюджетное образовательное учреждение высшего образования "Южно-Российский государственный политехнический университет (НПИ) имени М.И. Платова" | Устройство для передвижки секций механизированной крепи и перемещения забойного конвейера струговой установки |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB982024A (en) * | 1960-07-13 | 1965-02-03 | Dowty Mining Equipment Ltd | Improvements relating to advancing mine roof supports |
US3525227A (en) * | 1967-07-19 | 1970-08-25 | Gullick Ltd | Mine roof supports |
GB1378513A (en) * | 1972-03-01 | 1974-12-27 | Dowty Mining Equipment Ltd | Connection for use between mine roof support and conveyor |
FR2248405A1 (US20110009641A1-20110113-C00116.png) * | 1973-10-18 | 1975-05-16 | Dowty Mining Equipment Ltd | |
DE2500286A1 (de) * | 1975-01-04 | 1976-07-15 | Ruhrkohle Ag | Wandernder strebausbau mit nebeneinander angeordneten schildausbaugestellen |
DE2522117A1 (de) * | 1975-05-17 | 1976-12-02 | Bochumer Eisen Heintzmann | Liegendschwellenanordnung fuer ein schildausbaugestell |
DE2522111A1 (de) * | 1975-05-17 | 1976-12-02 | Bochumer Eisen Heintzmann | Ausbau fuer den mechanisierten untertaegigen langfrontabbau |
FR2323868A1 (fr) * | 1975-09-09 | 1977-04-08 | Gewerk Eisenhuette Westfalia | Chassis de soutenement a bouclier |
DE2644614A1 (de) * | 1976-10-02 | 1978-04-06 | Hemscheidt Maschf Hermann | Rueckvorrichtung fuer einen ausbauschild |
DE2644999A1 (de) * | 1976-10-06 | 1978-04-13 | Gewerk Eisenhuette Westfalia | Fuehrungsgestaenge fuer schreitende ausbauglieder, insbesondere fuer schildausbaugestelle mit geteilter liegendschwelle |
FR2379696A1 (fr) * | 1977-02-08 | 1978-09-01 | Thyssen Industrie | Dispositif de ripage relie a un transporteur de taille pour soutenement marchant |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1027584A (en) * | 1964-02-27 | 1966-04-27 | Dowty Mining Equipment Ltd | Conveyor anchoring and advancing apparatus |
DE1483930A1 (de) * | 1966-05-14 | 1969-10-16 | Kloeckner Werke Ag | Ausbaugespann |
GB1222204A (en) * | 1967-07-19 | 1971-02-10 | Electro Hydraulics Ltd | Advancing mine roof supports |
FR2038066A1 (US20110009641A1-20110113-C00116.png) * | 1969-03-24 | 1971-01-08 | Bennes Marrel | |
DE2234452C2 (de) * | 1972-07-13 | 1984-08-09 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitendes Schildausbaugestell |
DE2554554C3 (de) * | 1975-12-04 | 1984-05-24 | Klöckner-Becorit GmbH, 4620 Castrop-Rauxel | Schildausbaueinheit für untertägige Strebbetriebe |
DE2744992C2 (de) * | 1977-10-06 | 1989-09-21 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schreitwerk für einen Schild- oder Bockausbau u.dgl. |
-
1979
- 1979-02-07 DE DE2904544A patent/DE2904544B2/de active Granted
-
1980
- 1980-01-30 SU SU802875549A patent/SU1162376A3/ru active
- 1980-02-05 FR FR8002433A patent/FR2448625A1/fr active Granted
- 1980-02-05 PL PL1980221820A patent/PL123117B1/pl unknown
- 1980-02-06 US US06/119,186 patent/US4313698A/en not_active Expired - Lifetime
- 1980-02-06 GB GB8004011A patent/GB2042037B/en not_active Expired
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB982024A (en) * | 1960-07-13 | 1965-02-03 | Dowty Mining Equipment Ltd | Improvements relating to advancing mine roof supports |
US3525227A (en) * | 1967-07-19 | 1970-08-25 | Gullick Ltd | Mine roof supports |
GB1378513A (en) * | 1972-03-01 | 1974-12-27 | Dowty Mining Equipment Ltd | Connection for use between mine roof support and conveyor |
FR2248405A1 (US20110009641A1-20110113-C00116.png) * | 1973-10-18 | 1975-05-16 | Dowty Mining Equipment Ltd | |
DE2500286A1 (de) * | 1975-01-04 | 1976-07-15 | Ruhrkohle Ag | Wandernder strebausbau mit nebeneinander angeordneten schildausbaugestellen |
DE2522117A1 (de) * | 1975-05-17 | 1976-12-02 | Bochumer Eisen Heintzmann | Liegendschwellenanordnung fuer ein schildausbaugestell |
DE2522111A1 (de) * | 1975-05-17 | 1976-12-02 | Bochumer Eisen Heintzmann | Ausbau fuer den mechanisierten untertaegigen langfrontabbau |
FR2323868A1 (fr) * | 1975-09-09 | 1977-04-08 | Gewerk Eisenhuette Westfalia | Chassis de soutenement a bouclier |
DE2644614A1 (de) * | 1976-10-02 | 1978-04-06 | Hemscheidt Maschf Hermann | Rueckvorrichtung fuer einen ausbauschild |
DE2644999A1 (de) * | 1976-10-06 | 1978-04-13 | Gewerk Eisenhuette Westfalia | Fuehrungsgestaenge fuer schreitende ausbauglieder, insbesondere fuer schildausbaugestelle mit geteilter liegendschwelle |
FR2379696A1 (fr) * | 1977-02-08 | 1978-09-01 | Thyssen Industrie | Dispositif de ripage relie a un transporteur de taille pour soutenement marchant |
Also Published As
Publication number | Publication date |
---|---|
PL221820A1 (US20110009641A1-20110113-C00116.png) | 1981-01-30 |
US4313698A (en) | 1982-02-02 |
DE2904544C3 (US20110009641A1-20110113-C00116.png) | 1989-07-20 |
GB2042037A (en) | 1980-09-17 |
SU1162376A3 (ru) | 1985-06-15 |
DE2904544B2 (de) | 1980-11-27 |
GB2042037B (en) | 1983-03-23 |
FR2448625B1 (US20110009641A1-20110113-C00116.png) | 1983-09-09 |
DE2904544A1 (de) | 1980-08-14 |
PL123117B1 (en) | 1982-09-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |