grab ship unloader

Gruas portuárias

Grab Ship Unloader

  • Rated production capacity 1250 ton/h
  • Velocidade de elevação 110-150 m/min
  • Luffing angle of boom 0-80 degree
  • Span: 22 Meters
  • Introdução
  • Aplicação
  • Technical Specifications
  • Caraterísticas

Introdução ao produto

Grab ship unloader is a kind of efficient mechanical equipment specially for bulk cargo loading and unloading. Its structural design is complex and sophisticated, aiming to meet the needs of fast, safe and efficient operation.

First, the arm system is one of the core parts of the grab ship unloader, responsible for providing sufficient working range. The arm is usually made of high-strength steel, with good rigidity and stability to ensure that it will not deform or shake during large-scale movement. The arm connects to the fuselage through a hinge, and can be hydraulically or electrically driven to achieve variable amplitude.

Secondly, grab device is the part that directly contacts the cargo. According to different cargo types (such as coal, ore, grain, etc.), different types of grabs can be selected, such as double-rope grabs or multi-petal grabs. The design of the grab should not only consider its grabbing efficiency, but also ensure that the cargo will not spill during the lifting process. Grab usually has an automatic opening and closing mechanism, which controls its opening and closing action through a wire rope or a hydraulic cylinder.

Third, lifting mechanism is responsible for lifting and lowering the grab bucket, which includes components such as winches, wire ropes and pulley blocks.

In addition, the travel mechanism enables the whole machine to move on the track so as to cover the entire length of the quay and reach different locations of the ship. The travel mechanism is usually driven by an electric motor and cooperates with a gear transmission system to achieve smooth and fast movement. In addition, in order to ensure the stability and safety of the equipment on the track, the travel mechanism is also equipped with anti-skid devices and limit switches.

Aplicação

Coal terminal: Grab ship unloaders are widely in coal loading and unloading operations, and can quickly and efficiently unload coal from cargo ships to storage yards or transport vehicles.


Ore terminal: Mineral resources such as iron ore and copper ore are usually transported by large cargo ships. Grab ship unloaders can quickly and accurately unload these ores from ships for subsequent transshipment or storage.


Grain terminal: Agricultural products such as grains and soybeans occupy an important position in international trade. Grab ship unloaders can quickly complete loading and unloading tasks while ensuring the integrity of the goods.


Railway freight station: In some large railway freight stations, grab ship unloaders are to handle bulk cargo such as coal and ore transported by rail to ensure that the goods can be quickly transferred to the destination.


Inland ports and multimodal transport hubs: Inland ports and multimodal transport hubs are also important application scenarios for grab ship unloaders. They can effectively connect water, rail and road transportation to achieve efficient cargo distribution.


Minas: At the mine’s export dock or transshipment point, grab ship unloaders are used to load mined ore onto ships, or to unload imported machinery and materials into the mine.

Technical Specifications

Rate production capacity1250t/h
Limit capacity1400t/h
Ship size50000DWT
Hoisting capacity32t
Span22m
Base18m
Max. out reach of grabOut rail waterside 28, In rail waterside 12m
Luffing angle of boom0-80°
Volume of hopper75m3
Velocidade de elevação110~150m/min
Travelling speed22m/min
Cabin travelling speed20m/min
Width of belt conveyor2.5m
Boom hoisting time, one way7Min
Max. working Load of Wheel350kN
Crane rail recommendQU100 
Motor capacity1240kW
Alimentação eléctrica( H.V cable reel) 10kV 50 Hz

Caraterísticas

Efficient loading and unloading capabilities

Grab ship unloaders could quickly and efficiently handle large quantities of bulk cargo, such as coal, ore and grain. Their powerful lifting mechanism and advanced control system enable high-speed, smooth operation, ensuring the ability to handle thousands of tons of cargo per hour. This high efficiency not only reduces the time that ships stay in ports, but also significantly improves overall logistics efficiency.

Versatility and adaptability

The grab ship unloader has a variety of grab types, which can be replaced and adjusted according to different cargo types, such as bulk, granular or powdery. For example, the double-rope grab is suitable for bulk materials, while the multi-petal grab is suitable for handling fine granular or powdery cargoes.

Advanced control system

With advanced automated control systems, including intelligent path planning, automatic identification of cargo status, and optimized grabbing strategies. These systems not only improve operational accuracy and reduce the possibility of human error, but also support semi-automatic or fully automatic operation modes, further improving work efficiency and safety.

Environmentally friendly and energy-saving

The new grab ship unloader pays more attention to energy saving and emission reduction in design. The use of efficient drive system and optimized hydraulic control technology significantly reduces energy consumption and emissions.

Certificado

certificate

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