FIELD: oil and gas industry.
SUBSTANCE: drive has electric pneumatic control device, stream engine, mechanical reducer with drive nut, ending switches device and drive screw, connected to output spindle, and autonomous source of emergency gas supply into stream engine, while it is additionally provided with device providing information about current value of position of output spindle in space between its extreme positions, which contains a disk with alternating grooves and teeth along periphery, disk is mounted in body of device on shaft with cog and by means of gearing is connected to rotating drive nut of reducer, while periphery of disk with grooves and teeth is positioned with possible interaction with sensors elements, and sensors outputs are connected to inputs of local personal computer with possible automatic adjustment of drive.
EFFECT: higher reliability.
2 cl, 4 dwg
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