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Brief Analysis of Grab Type Ship Unloader
Grab type ship unloader is mainly used to efficiently transfer solid bulk cargo from the ship's hold to the bulk material conveyor belt on the dock. Its core material-retrieving device is a grab bucket, which grabs bulk materials from the ship and unloads them into a conical hopper, and finally sends them to the belt conveyor through the hopper outlet, and then transports them to the yard. This type of large-scale equipment is not only fast and efficient, but also suitable for unloading operations at ports and docks of various sizes.
Grab type ship unloader adopts a unique front and rear horizontal beam design, which is hoisted on the upper beam supported by the sea and land side columns. It has a large forward reach, so it can adapt to different tonnage ship types, from 2,000 tons to 400,000 tons bulk carriers.
Grab type ship unloader is also equipped with advanced lifting, opening and closing, trolley running mechanism (four-drum mechanism), as well as luffing mechanism, trolley running mechanism, etc., to achieve efficient transfer of bulk materials. Its water spray dust prevention system, mobile driver's cab, maintenance facilities and other safety auxiliary facilities are also available to ensure safety and reliability during use.
The main components of the grab type ship unloader include: trolley travel mechanism, machine room, wire rope system, grab, main trolley and auxiliary trolley, boom pitch mechanism, mobile driver's cab, hopper with overload protection, transfer and unloading belt conveyor, double-channel unloading chute, material spreading baffle, water spray dust removal system, access channel and elevator, auxiliary maintenance crane, electrical room and electrical equipment, and hydraulic power unit. These components together constitute the complete system of the grab type ship unloader, ensuring that it can efficiently and safely complete the bulk material transfer task.