PL149963B1 - Hydraulic self-advancing roof supports - Google Patents
Hydraulic self-advancing roof supportsInfo
- Publication number
- PL149963B1 PL149963B1 PL25862486A PL25862486A PL149963B1 PL 149963 B1 PL149963 B1 PL 149963B1 PL 25862486 A PL25862486 A PL 25862486A PL 25862486 A PL25862486 A PL 25862486A PL 149963 B1 PL149963 B1 PL 149963B1
- Authority
- PL
- Poland
- Prior art keywords
- canopy
- base frame
- hydraulic
- support
- shifter
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims description 10
- 238000005096 rolling process Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010516 chain-walking reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 102200124760 rs587777729 Human genes 0.000 description 1
- 239000004575 stone Substances 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
- E21D23/08—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
-
- 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
-
- 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
- E21D23/0082—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor specially adapted for vertical or steep gradient seams
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)
- Bridges Or Land Bridges (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19853511275 DE3511275C1 (de) | 1985-03-28 | 1985-03-28 | Hydraulisches Schreitausbaugestell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL149963B1 true PL149963B1 (en) | 1990-04-30 |
Family
ID=6266584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL25862486A PL149963B1 (en) | 1985-03-28 | 1986-03-26 | Hydraulic self-advancing roof supports |
Country Status (6)
| Country | Link |
|---|---|
| CN (1) | CN86101783A (zh) |
| CS (1) | CS270433B2 (zh) |
| DE (1) | DE3511275C1 (zh) |
| FR (1) | FR2584135A1 (zh) |
| PL (1) | PL149963B1 (zh) |
| SU (1) | SU1528326A3 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3627205C1 (en) * | 1986-08-11 | 1988-04-07 | Hemscheidt Maschf Hermann | Hydraulic self-advancing support assembly in combination with a winning apparatus circulating at the roof and floor |
| DE3631266A1 (de) * | 1986-09-13 | 1988-03-24 | Hemscheidt Maschf Hermann | An hydraulischen schreitausbaugestellen gefuehrte gewinnungseinrichtung |
| CN103822657B (zh) * | 2014-03-18 | 2016-08-24 | 中国矿业大学 | 煤矿井下综采工作面推进距动态监测仪 |
| CN113006851B (zh) * | 2021-03-19 | 2022-12-06 | 中煤科工开采研究院有限公司 | 一种矿用液压支架限位推移机构 |
Family Cites Families (6)
| 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 |
| GB1601358A (en) * | 1978-05-25 | 1981-10-28 | Dowty Mining Equipment Ltd | Mine roof supports |
| GB2030202B (en) * | 1978-09-16 | 1982-06-23 | Fletcher Sutcliffe Wild Ltd | Mine roof supports |
| DE2850073A1 (de) * | 1978-11-18 | 1980-05-29 | Fletcher Sutcliffe Wild Ltd | Grubenausbau, insbesondere strebausbau |
| US4268193A (en) * | 1979-11-29 | 1981-05-19 | Fletcher Sutcliffe Wild Limited | Mine roof supports |
| FR2540932B3 (fr) * | 1983-02-16 | 1985-12-13 | Bennes Marrel | Pile de soutenement marchant, notamment pour les mines souterraines |
-
1985
- 1985-03-28 DE DE19853511275 patent/DE3511275C1/de not_active Expired
-
1986
- 1986-02-28 FR FR8602790A patent/FR2584135A1/fr not_active Withdrawn
- 1986-03-11 SU SU864027088A patent/SU1528326A3/ru active
- 1986-03-19 CN CN198686101783A patent/CN86101783A/zh active Pending
- 1986-03-21 CS CS861985A patent/CS270433B2/cs unknown
- 1986-03-26 PL PL25862486A patent/PL149963B1/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CS270433B2 (en) | 1990-06-13 |
| DE3511275C1 (de) | 1986-06-19 |
| CN86101783A (zh) | 1986-09-24 |
| CS198586A2 (en) | 1989-11-14 |
| FR2584135A1 (fr) | 1987-01-02 |
| SU1528326A3 (ru) | 1989-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4173421A (en) | Shield apparatus for use in tunnelling or mining | |
| GB1572241A (en) | Support assemblies for mine workings | |
| US3874734A (en) | Advanceable support assembly with inclination control for longwall guide | |
| US4227833A (en) | Mineral mining installation | |
| US3889475A (en) | Mine roof supports | |
| US4687375A (en) | Circular heading machine | |
| PL149963B1 (en) | Hydraulic self-advancing roof supports | |
| CN203008943U (zh) | 切眼拓宽超前支护支架 | |
| US3355213A (en) | Mine roof supports and conveyors for use in conjunction therewith | |
| US4334800A (en) | Tunnel drive shield | |
| US4136999A (en) | Canopy and shield structure for a supporting shield in a seam-like mine deposit | |
| CS229614B2 (en) | Edge support for the underground working | |
| US3333426A (en) | Self-advancing hydraulically extensible mine roof supports | |
| GB2096680A (en) | A mine roof support unit with a gate in the goaf shield | |
| US3848420A (en) | Mine roof supports | |
| US4102140A (en) | Self-advancing mine roof supports | |
| US3949562A (en) | Apparatus for preventing cave-ins of excavations | |
| US4101173A (en) | Roof prop and platform movably mounted on boom of tunnelling machine | |
| US3216202A (en) | Roof supporting means for mines | |
| US3991580A (en) | Mine roof supports | |
| US4002036A (en) | Mine roof supports | |
| US3877234A (en) | Advanceable shield support | |
| WO1985001081A1 (en) | Circular heading machine | |
| CN220469959U (zh) | 一种滑移式钻锚装置 | |
| US3367118A (en) | Mine roof supports |