Single-Girder and Double-Girder Semi-Portal Cranes Púchov

Semi-Portal cranes use a trolley drive of portal on rails situated at two levels- on the floor via wheels or on a rail situated into ground and on crane railway on building construction or on self-supporting pillars. Supporting steel construction (semi-portal) consists of one or two main girders and one or two main pillars.

Cralif, s.r.o. manufactures and supplies single-girder semi-portal "gantry" cranes with capacities up to 25Te SWL (25 000 kg) and double-girder semi-portal "gantry" cranes with capacities up to 80Te SWL (80 000 kg). Also, special semi-portal cranes are a matter of course.

Technical information

Maximum load bearing capacity	up to 25 000 and 80 000 kg
Colour	RAL 1007
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

Advantages

Each crane is projected to measure according to customer´s requirements to be adapted to a place and shed´s conditions (or to open space) and still work effectively and safely
Lay out of crane weight into two end carriages guarantees safe handling with load
Long-term operation with minimal costs for maintenance and without any problems
Radio remote controller
Safety hooks prevent the load from sliding
High load bear capacity

Accessories and Options

Large selection of various kinds of slings made by the Cralif company available from: www.viazacieprostriedky.cralif.sk/en
In case of remote control, the crane could be equipped with emergency control via the hanging button-controller which could move along the whole crane independently of crab trolley drive or it could be connected to the main switchboard of the crane via connector
Crane is equipped with two hoists working either independently or in tandem (at the same time) using just one controller
Automatic control system
Anti-collisional systems in case of several cranes being on one railway
Colour according to customer´s requirements
Modification for use in potentially explosive atmospheres
Version with manual drive of all mechanisms
The possibility to choose between rails or wheels for the side unfastened to the crane railway

Why Cralif?

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