Bucket Elevators
General Design
- Types:
- Belt Bucket Elevators (centrifugal discharge)
- Chain Bucket Elevators (centrifugal discharge)
- Center discharge Chain Bucket Elevators (gravity discharge)
- Housing:
- Elevator head:
- Divided hood for good maintenance
- Externally located pillow block bearings with spherical roller bearings
- Drive shaft passage with divided rotary shaft seals, packing glands, labyrinth seals, or similar
- Crowned head pulley made of steel or cast:
- with rubber coating or
- with Slide-Lag® rubber coating (exchangeable wearing rubber)
- Various anti-wear liner options
- Inspection hatches and suction fittings
- Elevator boot:
- Tail pulley as a self-cleaning bar-type pulley with steel or cast iron and discharge cone
- Externally located pillow block bearings with spherical roller bearing
- Tail Shaft passage with divided rotary shaft seals, packing glands, labyrinth seals, or similar
- Inspection and/or cleaning hatch
- Belt or chain tensioning using stainless steel tightening spindles
- Various anti-wear liner options
- Elevator belts:
- depending on application as synthetic elevator belts or with internal steel cables
- black or white (food grade)
- anti-static (ATEX applications)
- wear-resistant
- oil and grease resistant (oil extraction plants)
- heat resistant
- flame retardant
- various belt connector types available, e.g. in steel or cast bronze (non-sparking)
- Elevator chains:
- Bushed conveyor chain (link chain, similar to DIN 8165), with tempered pins & bushes
- Drop-forged conveyor chain (fork-type chain)
- Round link chain
- Elevator buckets, in plastic or steel:
- Steel: Carbon or stainless steel,
Welded or deep-drawn,
Optionally with reinforced edges
- Plastic: Polyethylene (HDP),
Nylon or
Polyurethane (PU)
- Other custom types available on request, such as steel buckets with rubber bottoms or enameled buckets
- Drive concepts
- Indirectly driven with a chain drive (ratio = 1:3)
- Directly driven with a clutch
- Directly driven with bevel geared drives (with hollow shaft)
- Each with integrated or separate/external backstop
- Installation or inspection doors adapted to platform levels
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