FIELD: production processes.
SUBSTANCE: invention relates to pipeline transportation and is used in laying pipelines in soil. Forces required for advancing pipes in soil or hydraulic pressures of operating cylinders fitted on the cutting shoe and inside the aforesaid support are measured with the help of pickup and recorded with respect to relative position of every operating cylinder. Hydraulic pressures on the support L.H. and R.H. sides are compared. In case asymmetry falls beyond preset tolerance, the machine advancing is automatically cut off, or a correction control circuit is automatically initiated.
EFFECT: expanded performances.
17 cl, 11 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD TO CONTROL MOTION OF DRILLING PLANT AND DEVICE FOR IMPLEMENTING THE SAME | 1990 |
|
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| DETACHABLE BUCKET FOR LOADING MACHINE | 0 |
|
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|
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| SELF-PROPELLED EARTH CRUSHING MACHINE | 0 |
|
SU1641196A3 |
