GB960579A - Improvements in drill steel centralizers - Google Patents
Improvements in drill steel centralizersInfo
- Publication number
- GB960579A GB960579A GB20454/63A GB2045463A GB960579A GB 960579 A GB960579 A GB 960579A GB 20454/63 A GB20454/63 A GB 20454/63A GB 2045463 A GB2045463 A GB 2045463A GB 960579 A GB960579 A GB 960579A
- Authority
- GB
- United Kingdom
- Prior art keywords
- jaws
- drill
- support
- guiding
- percussive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 title abstract 2
- 239000010959 steel Substances 0.000 title abstract 2
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 239000012530 fluid Substances 0.000 abstract 2
- 239000011435 rock Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Binders And Loading Units For Sheaves (AREA)
- Basic Packing Technique (AREA)
Abstract
960,579. Percussive drills. ATLAS COPCO A.B. May 22, 1963 [June 12, 1962], No. 20454/63. Heading B4C. A centralizer for a percussive rock drill comprises a pair of guide jaws 42 movable between guiding and non-guiding positions by means of piston-andcylinder devices 22, 28 mounted on a support 21, the latter devices holding the jaws in both positions. The support 21 is secured to a tubular body 10 having an extension 11 which is provided with jaws 15 for clamping the support to the feed slide on which the percussive drill is mounted. The jaws 42, which are mounted on the ends of the piston rods 29, are formed with a central bore 49 for surrounding the drill steel 19, Fig. 3, during guiding thereof and, on the sides 52 of the jaws, with stepped portions 50. In operation, when it is desired to lengthen a drill, the jaws are opened by feeding pressurized fluid to one side of the pistons, via a valve 39, so that a coupling sleeve 20 may then be brought into position to be clamped by surface portions 54 on the jaws when the pressurized fluid is fed to the opposite sides of the pistons. The shank 17 of the drill is then unscrewed from the sleeve, an extension piece 19 fitted and the shank then screwed back into another coupling sleeve 20. The jaws are guided by means of lugs 55 engaging in corresponding recesses 56 and prevented from relative rotation with respect to the piston rods by means of tapered lugs on the rods engaging with tapered surfaces on the jaw.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201977A US3231318A (en) | 1962-06-12 | 1962-06-12 | Drill steel centralizers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB960579A true GB960579A (en) | 1964-06-10 |
Family
ID=22748064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20454/63A Expired GB960579A (en) | 1962-06-12 | 1963-05-22 | Improvements in drill steel centralizers |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3231318A (en) |
| ES (1) | ES288852A1 (en) |
| FI (1) | FI41525C (en) |
| GB (1) | GB960579A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4972911A (en) * | 1989-03-08 | 1990-11-27 | Oy Tampella Ab | Travelling centralizer arrangement in a rock drill |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3334948A (en) * | 1964-01-07 | 1967-08-08 | Atlas Copco Ab | Drill steel guides |
| US3441323A (en) * | 1967-06-07 | 1969-04-29 | Gardner Denver Co | Centralizer |
| USRE30071E (en) * | 1973-12-21 | 1979-08-14 | Atlas Copco Aktiebolag | Drill string element handling apparatus |
| US4260029A (en) * | 1978-12-27 | 1981-04-07 | Joy Manufacturing Company | Midpoint centralizer |
| FI66053C (en) * | 1982-05-17 | 1984-08-10 | Tampella Oy Ab | STYRNING FOER EN BORRSTAONG I EN BORRMASKIN |
| SE537994C2 (en) | 2012-08-30 | 2016-01-26 | Atlas Copco Rock Drills Ab | Procedure for a drill support device, drill support device, vehicle and computer program and computer program product for a single drill support device |
| CN109267951B (en) * | 2018-10-15 | 2024-05-28 | 中国石油天然气集团有限公司 | Drill rod guiding mechanism |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2242739A (en) * | 1939-08-15 | 1941-05-20 | Longyear E J Co | Drill |
| US2759679A (en) * | 1952-09-22 | 1956-08-21 | Robert E Torregrossa | Combined bearing and guide means for shafts |
| US2679177A (en) * | 1953-05-13 | 1954-05-25 | Gepfert Franklin Gahl | Precision vise of the double-acting type |
-
1962
- 1962-06-12 US US201977A patent/US3231318A/en not_active Expired - Lifetime
-
1963
- 1963-05-22 GB GB20454/63A patent/GB960579A/en not_active Expired
- 1963-06-08 ES ES288852A patent/ES288852A1/en not_active Expired
- 1963-06-12 FI FI631196A patent/FI41525C/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4972911A (en) * | 1989-03-08 | 1990-11-27 | Oy Tampella Ab | Travelling centralizer arrangement in a rock drill |
Also Published As
| Publication number | Publication date |
|---|---|
| FI41525C (en) | 1969-12-10 |
| ES288852A1 (en) | 1963-08-01 |
| FI41525B (en) | 1969-09-01 |
| US3231318A (en) | 1966-01-25 |
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