Abstract
The results of calculations of the hysteresis clutches of various designs for use in electric shut-off valves of the pipeline. The possibility of using the clutch with an axial air gap for a wide range of electric power.
Highlights
The shut-off valves are used to shut off the pipeline sections
Hysteresis clutch with an axial air gap (Figure 1, d) and the butt is the magnetization inductor with alternating poles clawlike type on the drive shaft
Based on the range of engines used in the composition and on the basis of the electric drive YUNDK35T5AA materials and Fe-Cr-Co sizes were calculated hysteresis clutches required for transmitting a predetermined torque value
Summary
The shut-off valves are used to shut off the pipeline sections. The shut-off valves are installed in the main oil pipelines every 15–20 km. The shut-off valve is equipped with the electric drive, which are essential components of an asynchronous motor and gearbox (worm or wave) [1]. Power shut-off valves should provide gate breakdown from rest and sealing the end of the course, be able to remote control, comply with explosion-proof and climate performance. As often as the shut-off valve is used wedge gate [2], the tightness of the system in the first place depends on the wear of the wedge. To increase its service life it is necessary to force the end of the course provides a reliable contact, but do not over-tighten the wedge
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