FIELD: transport.
SUBSTANCE: proposed intermediate drive comprises endless drive belt arranged above load-carrying belt in contact therewith and running on rollers over driven and tensioning drums, driven drum motor and drive control unit. Besides, it incorporates the load-carrying and driven belt speed transducers arranged at or ahead of the contact points, At acceleration and run of load-carrying belt at driven belt constant speed Vdb at contact with load-carrying belt is varied in the range Vlc < Vdb ≤ Vlc+Δ, where Vlc is load-carrying belt speed at contact with drive belt or before this contact, Δ is admissible driven belt slippage relative to load-carrying belt. At deceleration of load-carrying belt, speed of driven belt at contact with the latter varies as Vlc-Δ ≤ Vdb+Vlc.
EFFECT: higher operating efficiency.
4 cl, 4 dwg
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