CS212289B2 - Facility for anchoring the wall conveyer - Google Patents
Facility for anchoring the wall conveyer Download PDFInfo
- Publication number
- CS212289B2 CS212289B2 CS316073A CS316073A CS212289B2 CS 212289 B2 CS212289 B2 CS 212289B2 CS 316073 A CS316073 A CS 316073A CS 316073 A CS316073 A CS 316073A CS 212289 B2 CS212289 B2 CS 212289B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- pressure
- valve
- piston
- clamping
- props
- Prior art date
Links
- 238000004873 anchoring Methods 0.000 title claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 28
- 230000002787 reinforcement Effects 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims 1
- 230000000717 retained effect Effects 0.000 claims 1
- 238000005065 mining Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 241000238876 Acari Species 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- RNFNDJAIBTYOQL-UHFFFAOYSA-N chloral hydrate Chemical compound OC(O)C(Cl)(Cl)Cl RNFNDJAIBTYOQL-UHFFFAOYSA-N 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000000264 venule Anatomy 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
- E21D23/006—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices
- E21D23/0073—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor provided with essential hydraulic devices with advancing shifting devices connected therewith
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/10—Anchorings for conveyors
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)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
- Framework For Endless Conveyors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722222018 DE2222018C3 (de) | 1972-05-05 | 1972-05-05 | Steuerung für eine Strebförderer-Teilverankerung |
| DE19722234964 DE2234964C3 (de) | 1972-07-15 | 1972-07-15 | Steuerung für eine Strebförderer-Teilverankerung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS212289B2 true CS212289B2 (en) | 1982-03-26 |
Family
ID=25763210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS316073A CS212289B2 (en) | 1972-05-05 | 1973-05-03 | Facility for anchoring the wall conveyer |
Country Status (3)
| Country | Link |
|---|---|
| CS (1) | CS212289B2 (de) |
| FR (1) | FR2183662B1 (de) |
| GB (1) | GB1425186A (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2924395C2 (de) * | 1979-06-16 | 1986-10-09 | Gewerkschaft Eisenhütte Westfalia GmbH, 4670 Lünen | Befestigungsbrücke zum Anbau an den Rinnenschüssen eines Kettenkratzförderers für untertägige Gewinnungsbetriebe |
| CN105781602B (zh) * | 2016-03-18 | 2017-03-15 | 西安科技大学 | 一种适用于采煤工作面的模拟液压支架 |
| CN110331996B (zh) * | 2019-07-09 | 2020-07-14 | 山东科技大学 | 一种纯机械半自动移动式巷道临时支护装置及工作方法 |
-
1973
- 1973-01-19 FR FR7301926A patent/FR2183662B1/fr not_active Expired
- 1973-05-03 CS CS316073A patent/CS212289B2/cs unknown
- 1973-05-04 GB GB2128473A patent/GB1425186A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2183662A1 (de) | 1973-12-21 |
| FR2183662B1 (de) | 1977-04-22 |
| GB1425186A (en) | 1976-02-18 |
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