Noria (elevator) is a vertical bucket conveyor designed to move bulk, lumpy and liquid goods. The main traction organ is a set drive sprocket with milling for chain links. The elevator layout, regardless of its design, consists of two main elements and a set of intermediate elements. The main parts of the elevator are the upper part ("head" or drive station) and the lower part ("shoe" or tensioning station). The "head" contains the drive drum with gearmotor and elevator brake, as well as a platform for elevator maintenance. The "shoe" is a tensioning station with an idle drum and inspection hatches for visual inspection of the elevator. Intermediate sections are welded boxes made of thin sheet metal reinforced with angles. In some cases the end walls can be made of technical rubber, which enables easier removal of adhering cargo.
Depending on the customer's requirements, the burrow can be equipped with sensor systems. The standard package includes back pressure, sliver run-off and sliver break sensors. The back-up sensor detects overfilling of the "shoe", which is caused by the load slipping past the load carrying buckets. The belt deflection sensor monitors the horizontal deflection of the belt in relation to the surface of the drive and tensioning drums, which is possible under high dynamic loads. The belt break sensor detects the moment of belt breakage in case of extreme wear and switches off the elevator drive. In order to prevent backward scrolling of the drum in case of belt breakage or drive station malfunction, there is an elevator brake - a special ratchet that prevents the elevator shaft from scrolling in the opposite direction.
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