PL87719B1 - - Google Patents
Download PDFInfo
- Publication number
- PL87719B1 PL87719B1 PL1973165332A PL16533273A PL87719B1 PL 87719 B1 PL87719 B1 PL 87719B1 PL 1973165332 A PL1973165332 A PL 1973165332A PL 16533273 A PL16533273 A PL 16533273A PL 87719 B1 PL87719 B1 PL 87719B1
- Authority
- PL
- Poland
- Prior art keywords
- sliding unit
- plate
- unit according
- stand
- joint
- Prior art date
Links
- 239000000725 suspension Substances 0.000 claims description 7
- 235000019994 cava Nutrition 0.000 claims 1
- 238000005065 mining Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 241000287127 Passeridae Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004460 silage Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009423 ventilation Methods 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
- E21D23/0454—Trailing plates; Coal face or goaf side sprags
-
- 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
-
- 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
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)
- Lining And Supports For Tunnels (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Pivots And Pivotal Connections (AREA)
- Tents Or Canopies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2246745A DE2246745C2 (de) | 1972-09-22 | 1972-09-22 | Rückbare Schildausbaueinheit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL87719B1 true PL87719B1 (enrdf_load_stackoverflow) | 1976-07-31 |
Family
ID=5857174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1973165332A PL87719B1 (enrdf_load_stackoverflow) | 1972-09-22 | 1973-09-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3874178A (enrdf_load_stackoverflow) |
| BE (1) | BE804720A (enrdf_load_stackoverflow) |
| DE (1) | DE2246745C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2200436B3 (enrdf_load_stackoverflow) |
| GB (1) | GB1437193A (enrdf_load_stackoverflow) |
| PL (1) | PL87719B1 (enrdf_load_stackoverflow) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2413538C2 (de) * | 1974-03-21 | 1978-05-24 | Bochumer Eisenhuette Heintzmann & Co, 4630 Bochum | Schildausbaugestell |
| DE2601341A1 (de) * | 1976-01-15 | 1977-07-28 | Kloeckner Werke Ag | Ausbaueinheit fuer untertaegige strebbetriebe |
| DE2605068C3 (de) * | 1976-02-10 | 1978-12-14 | Thyssen Industrie Ag, 4300 Essen | Kappen- und Bruchschildkonstruktion für ein Schildausbaugestell |
| DE2843857C2 (de) * | 1978-10-07 | 1986-06-19 | Bochumer Eisenhütte Heintzmann GmbH & Co, 4630 Bochum | Schildausbaugestell |
| DE3630579C2 (de) * | 1986-09-09 | 1994-07-14 | Westfalia Becorit Ind Tech | Schildausbaugestell mit zwischen Liegendschwelle und Bruchschildlenkern lösbar angeordnetem Aufsatzstück |
| CN103590847A (zh) * | 2013-10-31 | 2014-02-19 | 山东新煤机械装备股份有限公司 | 单立柱双推移液压支架及推移机构与推移方法 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2159535C3 (de) * | 1971-12-01 | 1979-01-04 | Thyssen Industrie Ag, 4300 Essen | Schildausbaugestell |
-
1972
- 1972-09-22 DE DE2246745A patent/DE2246745C2/de not_active Expired
-
1973
- 1973-09-11 BE BE135543A patent/BE804720A/xx unknown
- 1973-09-14 GB GB4337973A patent/GB1437193A/en not_active Expired
- 1973-09-20 PL PL1973165332A patent/PL87719B1/pl unknown
- 1973-09-21 FR FR7333931A patent/FR2200436B3/fr not_active Expired
- 1973-09-21 US US399504A patent/US3874178A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB1437193A (en) | 1976-05-26 |
| DE2246745B1 (de) | 1973-08-09 |
| FR2200436B3 (enrdf_load_stackoverflow) | 1976-08-20 |
| FR2200436A1 (enrdf_load_stackoverflow) | 1974-04-19 |
| BE804720A (fr) | 1974-01-02 |
| US3874178A (en) | 1975-04-01 |
| DE2246745C2 (de) | 1974-03-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2058438B1 (en) | Leveling apparatus for excavator and forestry machine equipment | |
| PL87719B1 (enrdf_load_stackoverflow) | ||
| EP0343547A1 (en) | Boom support device for mounting on an agricultural vehicle | |
| WO1999036670A1 (en) | Roof and rib drill improvements to mining apparatus and roof bolting equipment | |
| US4045089A (en) | Apparatus for controlling the position of a mining machine | |
| PL109332B1 (en) | Disc lining frame | |
| CA1284876C (en) | Tiltable and azimuthly rotatable tool holder for tractors | |
| PL97759B1 (pl) | Obudowa tarczowa | |
| CN1095920C (zh) | 用于钻孔设备的悬臂装置 | |
| US3400767A (en) | Power angling bullgrader | |
| US4195825A (en) | Compact apparatus for drilling and plugging tap holes | |
| CN109458218B (zh) | 直臂式重载隧道多功能作业平台 | |
| US4094422A (en) | Bucket loader boom | |
| PL123706B1 (en) | Outrigger device for a leading roof beam being pivotally mounted on a main roof beam of roof support unit | |
| DE2924550C2 (enrdf_load_stackoverflow) | ||
| PL78410B1 (en) | Stepping shield supporting device[hu176912b] | |
| CN101896397B (zh) | 吸收冲击力的下垂龙骨 | |
| PL117265B1 (en) | Variable height filling screen in particular for use with blown in fillingsazom dlja ehkspluatacii s pnevmaticheskojj zakladkojj | |
| AU9145398A (en) | Anchor boring and setting device | |
| HU208722B (en) | Safetz scaffolding for mining the upper layer of sloping seams | |
| CN210003213U (zh) | 带纵横锤摆的桩机结构 | |
| CN208935296U (zh) | 一种悬臂连杆式调角度机构 | |
| EP1070662A1 (de) | Rotorblatt für einen lagerlosen Rotor eines Hubschraubers | |
| AU722026B2 (en) | Extendible drill support frame for mining apparatus and roof bolting equipment | |
| EP0029878B1 (de) | Konverterlagerung und -befestigung am Tragring |