CS216162B4 - Shield equipment - Google Patents
Shield equipment Download PDFInfo
- Publication number
- CS216162B4 CS216162B4 CS766171A CS617176A CS216162B4 CS 216162 B4 CS216162 B4 CS 216162B4 CS 766171 A CS766171 A CS 766171A CS 617176 A CS617176 A CS 617176A CS 216162 B4 CS216162 B4 CS 216162B4
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- shield
- base frame
- ceiling
- hydraulic
- aisle
- Prior art date
Links
- 238000005065 mining Methods 0.000 claims abstract description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 2
- 239000003351 stiffener Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock 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
-
- 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
- E21D23/0427—Shield operating devices; Hinges therefor
-
- 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
- E21D23/066—Pivoted cantilever extensions therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
- Helmets And Other Head Coverings (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT739275A AT337639B (de) | 1975-09-26 | 1975-09-26 | Schildausbau |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS216162B4 true CS216162B4 (en) | 1982-10-29 |
Family
ID=3595599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS766171A CS216162B4 (en) | 1975-09-26 | 1976-09-23 | Shield equipment |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4020640A (de) |
| AT (1) | AT337639B (de) |
| CS (1) | CS216162B4 (de) |
| DE (1) | DE2635925C3 (de) |
| FR (1) | FR2325801A2 (de) |
| GB (1) | GB1551793A (de) |
| HU (1) | HU175811B (de) |
| PL (1) | PL104842B3 (de) |
| SU (1) | SU786927A4 (de) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1568967A (en) * | 1976-02-06 | 1980-06-11 | Dowty Mining Equipment Ltd | Mine roof support |
| AT350991B (de) * | 1977-11-14 | 1979-06-25 | Voest Ag | Schildausbaugestell |
| 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 |
| DE3023282A1 (de) * | 1980-06-21 | 1982-01-21 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildbock, insbesondere fuer den einsatz beim abbau maechtiger lagerstaetten im scheibenbau |
| HU185380B (en) * | 1980-06-30 | 1985-01-28 | Varpalotai Szenbanyak | Supporting device for mining particularly for wall method |
| GB2088457B (en) | 1980-11-27 | 1984-06-06 | Dowty Mining Equipment Ltd | Roof support for use in mines |
| US4382722A (en) * | 1981-02-02 | 1983-05-10 | Centrum Konstrukcyino-Technologiczne Maszyn Gorniczych "Komag" | Nine lining structure |
| GB2123885B (en) * | 1982-07-09 | 1986-02-19 | Dowty Mining Equipment Ltd | Roof support for use in mines |
| GB2143882B (en) * | 1983-07-23 | 1986-11-05 | Dowty Mining Equipment Ltd | Shield supports suitable for use in mines |
| HU208043B (en) * | 1989-06-02 | 1993-07-28 | Gyoergy Szentai | Apparatus for securing mine working place |
| US5584611A (en) * | 1994-11-22 | 1996-12-17 | Long-Airdox | Roof support for underground excavations |
| US10774642B1 (en) * | 2019-05-05 | 2020-09-15 | Liaoning University | Hydraulic support unit and hydraulic support for anti-rock burst roadway |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1419954A (en) * | 1972-04-27 | 1975-12-31 | Dowty Mining Equipment Ltd | Mine roof support |
| AT321229B (de) * | 1972-12-28 | 1975-03-25 | Oesterr Alpine Montan | Schildausbau |
| US3898845A (en) * | 1973-01-31 | 1975-08-12 | Gewerk Eisenhuette Westfalia | Mineral mining installations |
| DE2319909C2 (de) * | 1973-04-19 | 1982-07-01 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Schildausbaugestell mit seitlich ausstellbarer Abstütz- und Verzugseinrichtung |
| DE2319910B2 (de) * | 1973-04-19 | 1977-07-21 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Einrichtung zur niveausteuerung eines hobels o.dgl. |
| DE2413538C2 (de) * | 1974-03-21 | 1978-05-24 | Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum | Schildausbaugestell |
-
1975
- 1975-09-26 AT AT739275A patent/AT337639B/de not_active IP Right Cessation
-
1976
- 1976-08-10 DE DE2635925A patent/DE2635925C3/de not_active Expired
- 1976-08-17 US US05/715,202 patent/US4020640A/en not_active Expired - Lifetime
- 1976-08-17 GB GB34128/76A patent/GB1551793A/en not_active Expired
- 1976-08-31 SU SU762392812A patent/SU786927A4/ru active
- 1976-09-17 HU HU76OE241A patent/HU175811B/hu unknown
- 1976-09-23 CS CS766171A patent/CS216162B4/cs unknown
- 1976-09-24 FR FR7628825A patent/FR2325801A2/fr active Pending
- 1976-09-25 PL PL1976192655A patent/PL104842B3/pl unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2635925B2 (de) | 1978-02-02 |
| ATA739275A (de) | 1976-11-15 |
| DE2635925C3 (de) | 1978-10-12 |
| FR2325801A2 (fr) | 1977-04-22 |
| SU786927A4 (ru) | 1980-12-07 |
| PL104842B3 (pl) | 1979-09-29 |
| DE2635925A1 (de) | 1977-03-31 |
| AT337639B (de) | 1977-07-11 |
| HU175811B (hu) | 1980-10-28 |
| US4020640A (en) | 1977-05-03 |
| GB1551793A (en) | 1979-08-30 |
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