FIELD: mining.
SUBSTANCE: device to measure speed and direction of soil motion relative to an underground pipeline comprises a metering telescopic two-link lever with a sensor of elongation, a hinged joint, a unit of movements count. A hinged joint and a metering telescopic two-link lever are placed into a protective flexible case, besides, the metering sliding two-link lever in the case is fixed with the help of spring centralisers, and also in the metering telescopic two-link lever there is a unit of unlocking of a cord of elongation of the metering telescopic two-link lever.
EFFECT: provision of long-term fault-free operation of a device and convenience of its service without labour intensive earth works.
1 dwg
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|---|---|---|---|
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|
RU2531979C1 |
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| GEAR MEASURING DIRECTION AND VELOCITY OF GROUND MOVEMENT RELATIVE TO UNDERGROUND PIPE-LINE AND LOADS ON PIPE-LINE CAUSED BY GROUND MOVEMENT | 2001 |
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