BE375502A - - Google Patents
Info
- Publication number
- BE375502A BE375502A BE375502DA BE375502A BE 375502 A BE375502 A BE 375502A BE 375502D A BE375502D A BE 375502DA BE 375502 A BE375502 A BE 375502A
- Authority
- BE
- Belgium
- Prior art keywords
- advancement
- control
- shearer
- oscillating
- motor
- Prior art date
Links
- 230000007246 mechanism Effects 0.000 claims description 30
- 230000008859 change Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims 3
- 239000004568 cement Substances 0.000 claims 1
- 230000003100 immobilizing effect Effects 0.000 claims 1
- 238000010008 shearing Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 5
- 238000013138 pruning Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
- E21C29/04—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains
- E21C29/06—Propulsion of machines for slitting or completely freeing the mineral from the seam by cable or chains anchored at one or both ends to the mine working face
- E21C29/10—Cable or chain co-operating with a winch or the like on the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Transmission Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE375502A true BE375502A (enrdf_load_stackoverflow) |
Family
ID=46068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE375502D BE375502A (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE375502A (enrdf_load_stackoverflow) |
-
0
- BE BE375502D patent/BE375502A/fr unknown
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