GB689806A - Pulldown device for rotary drilling apparatus - Google Patents
Pulldown device for rotary drilling apparatusInfo
- Publication number
- GB689806A GB689806A GB29660/50A GB2966050A GB689806A GB 689806 A GB689806 A GB 689806A GB 29660/50 A GB29660/50 A GB 29660/50A GB 2966050 A GB2966050 A GB 2966050A GB 689806 A GB689806 A GB 689806A
- Authority
- GB
- United Kingdom
- Prior art keywords
- secured
- drive
- chuck
- rotary drilling
- drilling apparatus
- 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
- 238000005553 drilling Methods 0.000 title 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
- E21B3/022—Top drives
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
689,806. Pull-down devices. FAILING SUPPLY CO., G. E. Dec. 4, 1950, No. 29660/50. Class 85 In. a. pull-down device the drive to a kelly 1 from a concentrically mounted rotating tubular shaft 3 is through an automatic chuck head 90 of a type similar to that disclosed in Specification 653,554, the neck portion of said chuck being threadedly secured to the shaft 3 by a plate 97 secured to the chuck on the side opposite the neck, a drive sleeve 96 formed on the plate 97, a drive bush 101 secured in the sleeve 96, keys 94 formed on the bush and keyways 92 of the kelly.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB29660/50A GB689806A (en) | 1950-12-04 | 1950-12-04 | Pulldown device for rotary drilling apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB29660/50A GB689806A (en) | 1950-12-04 | 1950-12-04 | Pulldown device for rotary drilling apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB689806A true GB689806A (en) | 1953-04-08 |
Family
ID=10295091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29660/50A Expired GB689806A (en) | 1950-12-04 | 1950-12-04 | Pulldown device for rotary drilling apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB689806A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116816305A (en) * | 2023-07-28 | 2023-09-29 | 莱州亚通重型装备有限公司 | Portable maintenance device for coal mine drilling box |
-
1950
- 1950-12-04 GB GB29660/50A patent/GB689806A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116816305A (en) * | 2023-07-28 | 2023-09-29 | 莱州亚通重型装备有限公司 | Portable maintenance device for coal mine drilling box |
CN116816305B (en) * | 2023-07-28 | 2024-03-26 | 莱州亚通重型装备有限公司 | Portable maintenance device for coal mine drilling box |
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