SU724719A1 - Apparatus for drilling conjugating parallel blastholes - Google Patents
Apparatus for drilling conjugating parallel blastholes Download PDFInfo
- Publication number
- SU724719A1 SU724719A1 SU782607159A SU2607159A SU724719A1 SU 724719 A1 SU724719 A1 SU 724719A1 SU 782607159 A SU782607159 A SU 782607159A SU 2607159 A SU2607159 A SU 2607159A SU 724719 A1 SU724719 A1 SU 724719A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- drilling
- rod
- guide rod
- parallel
- blastholes
- Prior art date
Links
Landscapes
- Earth Drilling (AREA)
Description
л ют направл ющий стержень 3 с эластичными манжетаМ-и 5, ориентируют его так, , чтобы вдоль его направл ющих овальных щпуров более удобно размещалась бурова коронка 2.A guide rod 3 with elastic cuffs M-5 is placed, orienting it so that a drill crown 2 is more conveniently located along its guide oval axles.
Затем в направл ющий стержень через вентиль 7 и канал 4 подают давление, под действием которого эластичные манжеты 5 раскрепл ют направл ющий стержень 3 в щпуре, и бур т первый сопр женный параллельный щпур.Then, a pressure is applied to the guide rod through the valve 7 and the channel 4, under the action of which the elastic cuffs 5 release the guide rod 3 in the pin, and the first parallel parallel pin is loaded.
Перед бурением второго сопр женного щпура в первый сопр женный щпур вставл ют трубку 9 с эластичными манжетами 8, которые размещают со смещением по отнощению к эластичным манжетам 5, вставленным в направл ющий стержень 3. Давление в эластичные манжеты 8 подают по каналам 10 и 11 и вентилю J3.Before drilling the second conjugate chip, a tube 9 with elastic cuffs 8 is inserted into the first conjugate chip, which are positioned offset to the elastic cuffs 5 inserted into the guide rod 3. The pressure in the elastic cuffs 8 is fed through channels 10 and 11 and valve J3.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782607159A SU724719A1 (en) | 1978-04-19 | 1978-04-19 | Apparatus for drilling conjugating parallel blastholes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782607159A SU724719A1 (en) | 1978-04-19 | 1978-04-19 | Apparatus for drilling conjugating parallel blastholes |
Publications (1)
Publication Number | Publication Date |
---|---|
SU724719A1 true SU724719A1 (en) | 1980-03-30 |
Family
ID=20760896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782607159A SU724719A1 (en) | 1978-04-19 | 1978-04-19 | Apparatus for drilling conjugating parallel blastholes |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU724719A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4432422A (en) * | 1980-07-17 | 1984-02-21 | Boart International, Limited | Borehole guide and method of boring interpenetrating holes |
RU2459063C2 (en) * | 2008-04-03 | 2012-08-20 | Сандвик Майнинг Энд Констракшн Ой | Drilling unit, method for drilling grooves and device for grooving |
RU2662833C1 (en) * | 2017-07-25 | 2018-07-31 | ООО НПЦ "Технические средства бурения" | Suspended emergency drilling unit for extracting stuck drill string |
-
1978
- 1978-04-19 SU SU782607159A patent/SU724719A1/en active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4432422A (en) * | 1980-07-17 | 1984-02-21 | Boart International, Limited | Borehole guide and method of boring interpenetrating holes |
RU2459063C2 (en) * | 2008-04-03 | 2012-08-20 | Сандвик Майнинг Энд Констракшн Ой | Drilling unit, method for drilling grooves and device for grooving |
RU2662833C1 (en) * | 2017-07-25 | 2018-07-31 | ООО НПЦ "Технические средства бурения" | Suspended emergency drilling unit for extracting stuck drill string |
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