SU443973A1 - Device for providing directional movement of the excavation unit in the plane of the reservoir with a chamber-and-pillar method of development - Google Patents
Device for providing directional movement of the excavation unit in the plane of the reservoir with a chamber-and-pillar method of developmentInfo
- Publication number
- SU443973A1 SU443973A1 SU1716878A SU1716878A SU443973A1 SU 443973 A1 SU443973 A1 SU 443973A1 SU 1716878 A SU1716878 A SU 1716878A SU 1716878 A SU1716878 A SU 1716878A SU 443973 A1 SU443973 A1 SU 443973A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- development
- chamber
- reservoir
- plane
- directional movement
- Prior art date
Links
Landscapes
- Developing Agents For Electrophotography (AREA)
Description
(,S4) УСПОЙСГВО (-)БЬЧ;ИВЧЫ ИЯ НАПРЛЕ ЛКНИОП) Я1311ЛС :ГИ11И B.iEMO41 C)|X) AiStPATA В ПЛОС:КО(;:П1 ИЛАСГГА ПГИ КАМПГ110.4-|-ОЛБОМОМ СИСХЮВЬ: ГАЗРАВОТКИ(, S4) ACCESSION (-) UBSH; IUCHI OTHER DIRECT LKNIOP) Ya1311HL: GI11I B.iEMO41 C) | X) AiStPATA IN A PLATE: KO (;: P1 ILASGGA PIG CAMPG110.4- |
с раздавливанию, возможна установка отражателей в нижней части целика, как наиболее устойчивой.with crushing, it is possible to install reflectors in the lower part of the rear sight, as the most stable.
Предмет изоItem of
р е т е н и rete n i
Устройство дл обеспечени направленного движени выемочного агрегата в пло скости пласта при камерно-столбовом способе разработки, содержащее локатор, изThe device for providing directional movement of the excavation unit in the reservoir plane with the chamber-and-pillar method of development, containing a locator,
j мерительный и командный блоки, исполнительньтй механизм, о т л и ч а ю щ е е-j measuring and command blocks, executive mechanism, of tl and h ya e
с тем, что, с целью повышени надежности устройства при наличии в угле трещин и вывалов, со стороны выработанно- го пространства расположены отражатели, копирующие рельеф пласта.so that, in order to increase the reliability of the device in the presence of cracks and dumps in the angle, reflectors are located on the side of the developed space, copying the formation relief.
Фиг.1 1
Фиг. 2FIG. 2
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1716878A SU443973A1 (en) | 1971-11-23 | 1971-11-23 | Device for providing directional movement of the excavation unit in the plane of the reservoir with a chamber-and-pillar method of development |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU1716878A SU443973A1 (en) | 1971-11-23 | 1971-11-23 | Device for providing directional movement of the excavation unit in the plane of the reservoir with a chamber-and-pillar method of development |
Publications (1)
Publication Number | Publication Date |
---|---|
SU443973A1 true SU443973A1 (en) | 1974-09-25 |
Family
ID=20493768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1716878A SU443973A1 (en) | 1971-11-23 | 1971-11-23 | Device for providing directional movement of the excavation unit in the plane of the reservoir with a chamber-and-pillar method of development |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU443973A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982001908A1 (en) * | 1980-11-24 | 1982-06-10 | Fowler James C | An acoustic system to guide a coal seam auger |
US4391336A (en) * | 1981-08-21 | 1983-07-05 | Conoco Inc. | Acoustic system to guide a coal seam auger |
CN111396054A (en) * | 2020-03-23 | 2020-07-10 | 安徽理工大学 | Actual measurement and theoretical combination analysis method for coal mining ground surface crack generation-development-closure space-time evolution law |
-
1971
- 1971-11-23 SU SU1716878A patent/SU443973A1/en active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982001908A1 (en) * | 1980-11-24 | 1982-06-10 | Fowler James C | An acoustic system to guide a coal seam auger |
US4391336A (en) * | 1981-08-21 | 1983-07-05 | Conoco Inc. | Acoustic system to guide a coal seam auger |
CN111396054A (en) * | 2020-03-23 | 2020-07-10 | 安徽理工大学 | Actual measurement and theoretical combination analysis method for coal mining ground surface crack generation-development-closure space-time evolution law |
CN111396054B (en) * | 2020-03-23 | 2021-08-10 | 安徽理工大学 | Actual measurement and theoretical combination analysis method for coal mining ground surface crack generation-development-closure space-time evolution law |
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