Four-bar linkage portal crane are mainly applied to harbors, ships at wharfs and vehicles for mechanized handling and transshipment, so as to improve the handling efficiency and speed up the turnover of ships and vehicles.

Main features of four-bar linkage harbor portal crane :
1.It uses both grab bucket and hook so that it boasts high practicality and wide scope of application;
2.It adopts optimized four-bar linkage so that the accuracy of level luffing is high;
3.The operation device rotates 360°, widening the operation scope;
4.It adopts PLC control and variable frequency speed control, so that is runs steadily and reliably;
5.Remote monitoring systems can be set according to user`s requirements;
It has complete safety devices and communication and lighting systems

Main features of Four-bar harbor portal crane:
Intelligent structure gives excellent stability
Comprehensive and adjustable information panel
Power feedback recycling to minimize energy consumption
Lowest life cycle cost
Safety devices and communicating and lighting systems

Portal Crane Parameters:
▪ Load Capacity:5T-45T
▪ Lifting Height: Above rail: 5-20m, Below Rail: 5-15m
▪ Working Radius: 8m-30m
▪ Lifting speed:20m/min
▪ Luffing speed:50m/min
▪ Slewing speed : 1.5r/min
▪ Traveling speed:
▪ Power supply: 380V, 50HZ, 3-Phase  
▪ Working classification: A8

Purchase Guide
▪Load capacity(T):                     (max goods weight)
▪Working radius(m)                  (Min/Max working radius)
▪Lifting height(m):                     (above rail, below rail)  
▪Working voltage:                      (phase, voltage, Hz )            
▪Traveling distance(m):                  
▪Rail supply(m):                        (Need or not?)                                        
▪Track gauge and Wheel base (m)
▪Quantity(set):
▪Destination port:
▪Max. Wheel pressure
▪More requirements

Four-link portal crane parameters table