FIELD: mechanical engineering; oil and gas producing, chemical and food industries.
SUBSTANCE: invention is designed for use in mechanical drives of actuating mechanisms for metering devices. Proposed mechanical drive contains bed frame with mounted-on housing, eccentric, tilted crankshaft with two main, journals, one of which is installed in hub of worm wheel, and slider. Screw-gear and shaft-gear are hinge-mounted in housing. Slider is provided with thread connection with screw-gears and hinge connection with second main journal of crankshaft whose diameter is smaller than diameter of first main journal. Shaft-gear is connected with shaft of actuating mechanism. Eccentric is made as one part.
EFFECT: improved reliability of mechanical drive.
1 dwg
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