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Crane beams

Beams are specific handling means, serving to the wide range sometimes very special handling  processes and the lifting capacity may be from tens of kilograms up to hundreds of tons. They can be designed as detachable, suspended usually on pulley block hook, or non-detachable, suspended directly on crane hoisting ropes. All beams can be performed as rotating ones.

Standard simple beams consist of the basic girder, that can be fitted with the whole range of various suspension components - fixed, then with manual feed or power feed, and it serves mainly to handling the long loads or their bundles. Suspension components serves usually for suspension of binding ropes, chains, strap belts, clamps or tongs, electromagnets or permanent magnets, vacuum handling means, etc.

Special beams are usually single-purpose, designed for specific type of handling. Stop log beams for handling the flash-boards on dams under water level also belong to special beams.

Further it is a big range of beams for metallurgical plants, where it is necessary to handle the molten metal, large sized and sometimes also hot (up to 800°C) products, etc. Also casting beams with lifting capacity, which mostly ranges in hundreds of tons belongs here. Beams are fitted with laminated hooks for suspension of ladle with molten metal and they can be equipped with weighing system. Laminated hooks are either with fixed distance (only swinging hooks), or with possibility of mechanical change of their distance, controlled from crane cabin.

Samples of beams for metallurgical plants
Hydraulic tongs beam 25t Hydraulic tongs beam 63t Casting beam 280t with weighing
Hydraulic tongs beam 25t Hydraulic tongs beam 63t Casting beam 280t with weighing

Beams can be fitted with motor hook rotating in order the large sized and heavy loads could be rotated around vertical axis. Tongs beams, that can be mechanically operated without tong jaws drive, or with drive (electric, hydraulic, pneumatic), are used for handling the finished products. Two tongs pair form collet. On the beam there use to be two pairs of collets, eventually more. The distance of collets can be either fixed, or it can be motor variable. Collet shape and dimensions are solved with regard to the shape and dimensions of handled load. All motions and functions are controlled from crane cabin, eventually by means of remote control.

Samples of beams
Standard beam 2t Beam for handling stop logs 12t
Standard beam 2t Beam for handling stop logs 12t

Special beams are also designed for handling the loads with the complex shapes, when they shall secure their safe suspension, balancing and levelling, sometimes tilting or rotating and also their tight spot during handling or putting. Special beam that can be suspended on two cranes (coupled together) will enable handling the load, whose mass exceeds the lifting capacity of individual cranes. With regard to the lifting capacity the beam is designed as unsymmetrical or symmetrical and it can be equipped with the whole range of further handling or suspension components.

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