DE138161C - - Google Patents
Info
- Publication number
- DE138161C DE138161C DENDAT138161D DE138161DA DE138161C DE 138161 C DE138161 C DE 138161C DE NDAT138161 D DENDAT138161 D DE NDAT138161D DE 138161D A DE138161D A DE 138161DA DE 138161 C DE138161 C DE 138161C
- Authority
- DE
- Germany
- Prior art keywords
- drum
- eccentric
- rotation
- axle sleeve
- rope
- 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.)
- Active
Links
- 238000005553 drilling Methods 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims 1
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000000763 evoking effect Effects 0.000 description 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
- E21B1/00—Percussion drilling
- E21B1/02—Surface drives for drop hammers or percussion drilling, e.g. with a cable
- E21B1/04—Devices for reversing the movement of the rod or cable at the surface
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)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE138161C true DE138161C (cs) |
Family
ID=405993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT138161D Active DE138161C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE138161C (cs) |
-
0
- DE DENDAT138161D patent/DE138161C/de active Active
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