Portal cranes use a trolley drive of portal on two rails situated on the floor, or more precisely on the level of the ground, or they use industrial wheels on concrete ground. Cralif, s.r.o. manufactures single-girder portal "gantry" cranes with capacities up to 25Te SWL (25 000 kg) and double-girder portal "gantry" cranes with capacities up to 80Te SWL (80 000 kg).
We also manufacture special portal cranes which satisfy wide range of client´s projects.
|Maximum load bearing capacity||up to 25 000 and 80 000 kg|
|Span||limited by transporting capabilities|
|Hight of lift||up to 15 m|
|Speed of crane trolley drive||normally up to 40 m/min, smooth moving|
|Speed of hoist trolley drive||normally up to 20 m/min, smooth moving|
|Speed of lift||up to 19,2 (m/min)|
|Lift of hooks||two-speed (the main lift and micro lift)|
|Type of profile||tube-shaped profiles with “I” cross section or box welded construction|
|Girders||are made of box welded construction or tube-shaped profiles with “I” cross section|
|We supply||standard chain hoists LIFTKET or rope hoists STREET|
|Controlling||via hanging button-controllers or via radio remote controllers|
|Power supply of crane||via cable trolleys, via closed trolleys covered by plastic or via energy chains|
|Crane setting||outside and inside|
Accessories and Options