BELT CONVEYOR Russian patent published in 2005 - IPC

FIELD: transport engineering; conveyors.

SUBSTANCE: invention relates to belt conveyors with tubular section belts designed for transportation of dusty, aggressive and fire-hazard material. Proposed conveyor has belt with carrying and return runs passing over head and tail drums, pressure and turnover rollers installed along ring parallel to and with tilting to plane perpendicular to axis of belt and designed for folding the belt by edges arranged respectively, upwards and along screw and guide and support rollers of return run of belt. Guide rollers of return of belt are arranged between edges of folded return run of belt in vertical position before and after support rollers with possibility of changing edges of belt from screw to upper parallel arrangement at head drum and from upper into screw arrangement at tail drum. Support rollers are installed for folding return run of belt with clearance between edges pointed upwards. To support belt is said folded state, additional guide rollers are installed between support and guide rollers.

EFFECT: reduced power and material consumption and loss of transported materials, enlarged operating capabilities of conveyor.

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