Material Handling SystemsContinuous Ship Unloader (Bucket-Elevator Type)

Operations are simple, working hours are short and environmentally friendly for Continuous Unloaders from the SHI Group

Sumitomo Heavy Industries Material Handling Systems Co., Ltd is the general transport cargo handling equipment manufacturer of the SHI Group.

The SHI Group caters to customers in a wide range of industries, including steel making, electric power supplies, ship building and port service industries, in response to a full range of requirements from planning and developing products through to general engineering and after sales services that span the entire life cycle of products.

One of the core products is the continuous type unloader (bucket-elevator type), which was developed with the aim of rationalizing and raising the efficiency of cargo handling. The first unit was delivered in 1976 and since then numerous deliveries have been made, principally to electric power plants and steel mills both within and outside Japan.


The following four aspects represent the principal features of the continuous unloaders available from the SHI Group.

  1. 1Highly responsive to environmental conditions (reduction of vibration, noise and dust, as well as prevention of oil contamination and conservation of energy)
  • Structure of material pathway is sealed
  • Water sprinkler system is installed
    (in vicinity of excavating section, as well as shoot section)
  • Drive system is motorized
    (excluding cylinder system)
  1. 2High cargo handling efficiency (short unloading time)
  • Three modes of digging functions (Horizontal L-mode, Swing-out digging mode and Catenary bottom clean-up mode)
Horizontal L-mode
Swing-out digging mode
Catenary bottom clean-up mode
  • Traverses interlocked system (operational support)
  • Unloading peak rate control (reduces the scale of backend transport facilities)
  1. 3High reliability and safety (stable operation)
  • Overload protection system (prevention of structural fatigue)
  • Fatigue and life management system (stress monitoring and life forecasting) (optional)
  • JIS certified fatigue and life design

    Overload prevention and fatigue life management system

  1. 4Outstanding maintainability (reduced maintenance)
  • Motorization of drive system
  • Elimination of bucket chains
  • Condition monitoring system

Product lines

For detailed information about the products please contact

Sumitomo Heavy Industries Material Handling Systems Co., Ltd.

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Material Handling Systems