PL97759B1 - Obudowa tarczowa - Google Patents
Obudowa tarczowa Download PDFInfo
- Publication number
- PL97759B1 PL97759B1 PL1973167680A PL16768073A PL97759B1 PL 97759 B1 PL97759 B1 PL 97759B1 PL 1973167680 A PL1973167680 A PL 1973167680A PL 16768073 A PL16768073 A PL 16768073A PL 97759 B1 PL97759 B1 PL 97759B1
- Authority
- PL
- Poland
- Prior art keywords
- canopy
- disc
- stand
- oscillating
- articulated
- Prior art date
Links
- 239000000725 suspension Substances 0.000 claims description 6
- 241000221931 Hypomyces rosellus Species 0.000 claims 1
- 230000004913 activation Effects 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 7
- 241000219098 Parthenocissus Species 0.000 description 2
- 241001417527 Pempheridae Species 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 102200124760 rs587777729 Human genes 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
- E21D23/04—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)
- Movable Scaffolding (AREA)
- Earth Drilling (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 (1)
| Publication Number | Publication Date |
|---|---|
| PL97759B1 true PL97759B1 (pl) | 1978-03-30 |
Family
ID=3626830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1973167680A PL97759B1 (pl) | 1972-12-28 | 1973-12-28 | Obudowa tarczowa |
Country Status (10)
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 |
| US11655711B2 (en) | 2018-09-24 | 2023-05-23 | Joy Global Underground Mining Llc | Roof support including extendable links |
| 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 |
| US12049824B2 (en) * | 2022-04-24 | 2024-07-30 | 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 |
|---|---|
| SU683641A3 (ru) | 1979-08-30 |
| GB1431609A (en) | 1976-04-14 |
| YU334573A (en) | 1980-09-25 |
| CS174226B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-03-31 |
| AT321229B (de) | 1975-03-25 |
| US3902325A (en) | 1975-09-02 |
| DE2363832A1 (de) | 1974-07-04 |
| YU35658B (en) | 1981-04-30 |
| DE2363832B2 (de) | 1977-08-25 |
| HU167351B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-09-27 |
| FR2212484A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-07-26 |
| FR2212484B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-10-08 |
| DE2363832C3 (de) | 1978-04-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| PL97759B1 (pl) | Obudowa tarczowa | |
| US4405019A (en) | Adjustment and stabilizer mechanism for dozer blade | |
| US9297140B2 (en) | Rope shovel | |
| US4074821A (en) | Overcenter backhoe | |
| US6409459B1 (en) | Linkage assembly for connecting a work implement to a frame of a work machine | |
| US4122683A (en) | Tunnel drive shield | |
| US6176531B1 (en) | Grapple system | |
| US4966417A (en) | Device for guying a drift advancing machine within a drift | |
| US4087009A (en) | Backhoe frame | |
| US6609587B1 (en) | Frame assembly for a work machine | |
| CN100537997C (zh) | 包括具有可枢轴转动的转向装置的塔架的施工装置 | |
| US3589538A (en) | Axle assembly for an excavating machine | |
| US3957124A (en) | Tunnel-drilling truck | |
| JP4889229B2 (ja) | 移動式クレーン | |
| US2734292A (en) | Dozer-blade mounting | |
| PL104842B3 (pl) | Gornicza obudowa tarczowa | |
| US3786953A (en) | Loader linkage | |
| US6343799B1 (en) | Tilt mechanism for work machine | |
| US4039095A (en) | Swing mechanism for backhoe | |
| US4094422A (en) | Bucket loader boom | |
| WO2001020117A1 (en) | Boom arrangement for rock drilling apparatus | |
| CN106759587A (zh) | 异形推土作业装置 | |
| US4050535A (en) | Articulated vehicle | |
| PL73430B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| CN114109423A (zh) | 一种煤矿掘锚机钻机总成及掘锚一体机 |