Bucket Elevators

GENERAL DESIGN OF BUCKET ELEVATORS

TYPES:

  • Belt Bucket Elevators (centrifugal discharge)
  • Chain Bucket Elevators (centrifugal discharge)
  • Center discharge Chain Bucket Elevators (gravity discharge)

HOUSING:

  • Dust-protected
  • Oil-tight


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


EVEVATOR 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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