YU35658B - Reinforcement working shield at mining excavations - Google Patents
Reinforcement working shield at mining excavationsInfo
- Publication number
- YU35658B YU35658B YU3345/73A YU334573A YU35658B YU 35658 B YU35658 B YU 35658B YU 3345/73 A YU3345/73 A YU 3345/73A YU 334573 A YU334573 A YU 334573A YU 35658 B YU35658 B YU 35658B
- Authority
- YU
- Yugoslavia
- Prior art keywords
- mining excavations
- reinforcement working
- working shield
- shield
- reinforcement
- Prior art date
Links
- 238000009412 basement excavation Methods 0.000 title 1
- 238000005065 mining Methods 0.000 title 1
- 230000002787 reinforcement Effects 0.000 title 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
- E21D23/06—Special mine caps or special tops of pit-props for permitting step-by-step movement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/0206—Hydraulically operated extension devices
-
- 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)
- Architecture (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Earth Drilling (AREA)
- Movable Scaffolding (AREA)
- Tents Or Canopies (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1111372A AT321229B (de) | 1972-12-28 | 1972-12-28 | Schildausbau |
Publications (2)
Publication Number | Publication Date |
---|---|
YU334573A YU334573A (en) | 1980-09-25 |
YU35658B true YU35658B (en) | 1981-04-30 |
Family
ID=3626830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YU3345/73A YU35658B (en) | 1972-12-28 | 1973-12-25 | Reinforcement working shield at mining excavations |
Country Status (10)
Country | Link |
---|---|
US (1) | US3902325A (hu) |
AT (1) | AT321229B (hu) |
CS (1) | CS174226B2 (hu) |
DE (1) | DE2363832C3 (hu) |
FR (1) | FR2212484B1 (hu) |
GB (1) | GB1431609A (hu) |
HU (1) | HU167351B (hu) |
PL (1) | PL97759B1 (hu) |
SU (1) | SU683641A3 (hu) |
YU (1) | YU35658B (hu) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1486906A (en) * | 1974-09-07 | 1977-09-28 | Peake C | Mining apparatus |
GB1526399A (en) * | 1974-12-18 | 1978-09-27 | Dowty Mining Equipment Ltd | Mine roof support |
DE2507319B2 (de) * | 1975-01-11 | 1977-06-08 | Thyssen Industrie Ag, 4300 Essen | Schildausbaugestell |
AT337639B (de) * | 1975-09-26 | 1977-07-11 | Voest Alpine Montan Ag | Schildausbau |
DE2749371C3 (de) * | 1977-11-04 | 1980-05-14 | Kloeckner-Werke Ag, 4100 Duisburg | Schildausbaugestell |
AT350991B (de) * | 1977-11-14 | 1979-06-25 | Voest Ag | Schildausbaugestell |
DE2757885A1 (de) * | 1977-12-24 | 1979-06-28 | Thyssen Industrie | Schildausbaugestell fuer den grubenausbau |
AT360936B (de) * | 1979-02-14 | 1981-02-10 | Voest Alpine Ag | Ausbaubock |
HU179856B (en) * | 1980-05-06 | 1982-12-28 | Varpalotai Szenbanyak | Apparatus for nining particularly expolating thick seams |
DE3211595A1 (de) * | 1982-03-30 | 1983-10-06 | Gewerk Eisenhuette Westfalia | Bruch- und versatzabschirmung eines lemniskatenschildes |
GB2188665B (en) * | 1986-04-01 | 1990-02-21 | Dobson Park Ind | Mine roof supports |
GB8707235D0 (en) * | 1987-03-26 | 1987-04-29 | Dowty Hucknall Ltd | Roof support |
US5584611A (en) * | 1994-11-22 | 1996-12-17 | Long-Airdox | Roof support for underground excavations |
CN113039345A (zh) | 2018-09-24 | 2021-06-25 | 久益环球地下采矿有限责任公司 | 包括可延伸的连杆的顶板支架 |
US10774642B1 (en) * | 2019-05-05 | 2020-09-15 | Liaoning University | Hydraulic support unit and hydraulic support for anti-rock burst roadway |
CN114562314B (zh) * | 2022-03-09 | 2023-02-28 | 中国矿业大学 | 一种综放工作面充填液压支架及使用方法 |
US20230340877A1 (en) * | 2022-04-24 | 2023-10-26 | Henan Polytechnic University | Distributed coal cutting device for longwall face of coal mine |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3811288A (en) * | 1972-05-15 | 1974-05-21 | Kloeckner Werke Ag | Traveling face support with an attached extensible shield |
-
1972
- 1972-12-28 AT AT1111372A patent/AT321229B/de not_active IP Right Cessation
-
1973
- 1973-12-17 HU HUOE212A patent/HU167351B/hu unknown
- 1973-12-21 CS CS8895A patent/CS174226B2/cs unknown
- 1973-12-21 DE DE2363832A patent/DE2363832C3/de not_active Expired
- 1973-12-25 YU YU3345/73A patent/YU35658B/xx unknown
- 1973-12-26 FR FR7346317A patent/FR2212484B1/fr not_active Expired
- 1973-12-26 US US427438A patent/US3902325A/en not_active Expired - Lifetime
- 1973-12-27 SU SU731981658A patent/SU683641A3/ru active
- 1973-12-28 GB GB5997173A patent/GB1431609A/en not_active Expired
- 1973-12-28 PL PL1973167680A patent/PL97759B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
AT321229B (de) | 1975-03-25 |
DE2363832C3 (de) | 1978-04-27 |
FR2212484A1 (hu) | 1974-07-26 |
PL97759B1 (pl) | 1978-03-30 |
FR2212484B1 (hu) | 1976-10-08 |
YU334573A (en) | 1980-09-25 |
US3902325A (en) | 1975-09-02 |
GB1431609A (en) | 1976-04-14 |
DE2363832A1 (de) | 1974-07-04 |
HU167351B (hu) | 1975-09-27 |
DE2363832B2 (de) | 1977-08-25 |
CS174226B2 (hu) | 1977-03-31 |
SU683641A3 (ru) | 1979-08-30 |
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