General
Bridge type grab ship unloader is a professional bulk material loading and unloading equipment
Grab ship unloader is a main equipment used at inland river banks and docks for material unloading from ships with bulk
material. such as coal ore etc.
Advantage:
Suitable for various range of ship type and materials,
Less affected by waves, no need of shore clinging time, stable unloading, reliable and flexible for operation
Comparison of Three Types of Cart Trailing:
In the unloader with main and auxiliary carts, the winding of the wire rope is more complicated, while it is easier in the four-drum unloader with mechanical differential or with electric control. But the four-drum unloaders need an additional rope-supporting device, since the distance between the front and back pully wheels is relatively long.
Main Parameters for 1650t Unloader:
Nominated Capacity
1)Lifting Capacity: 40t(in which the grab weight is 16. 5t
2)Nominated productivity: 1650t/h
Material:
1)Material: coa
2)Volume Weight: 0.8-1.0t/m3
3)Granularity: 0-300m
Speed:
1)Big cart moving: 0-25m/min
2)Lifting speed: grad with full load: 135m/min
Empty grad droping: 150m/min
3)Small cart moving: 220m/min
4)Driver Cab moving: 0-20m/min
5)Arm pitch(one way): -8min
Clear Space:
1) Contact Beam to Dock Surface: -8m
2)Hopper Top to Dock Surface: 18. 5m
3)Lifting
Height: Overall Height: 46 5n
In which: above track: 25. 5m
Under track: 21m
Small Cart and Diver Cab Route
1)Front Extension of Small Cart Track from Sea Side: 32m
2)Back Extension of Small Cart Track from Sea Side: -19m
3) Front Extension of Mobile Driver Cab Track from Sea Side: 28m
4) Back Extension of Mobile Driver Cab Track from Sea Side: -26m
