Rolls Transport Grabs and Tongs

Transport of rolls with horizontal axis

Connection to crane with hangers or crane hook suspensions
Centre of gravity compensation by electromotive, via spindle or chain driven, hangers or crane hook suspensions.
Rollers and roller-pairs, with and without chocks
Gripping the rollers with one or two parallel gripper-arm pairs at the roll body or the chocks
Gripping with load-specific gripping elements such as pins, pockets or jaws
Opening and closing of the gripper arms mechanically, with electromotive driven roller chain or spindle drives or with hydraulic cylinders
Mechanical tongs with automatic locking mechanism for semi-automatic operation → safe and time-saving closing and opening by lifting and lowering the tongs

Twisting of the chocks prevented by vertically movable hold-down devices
Material protection by protective coverings
Smooth acceleration/deceleration by frequency converters
Emergency operation enabled by additional attachment points or hooks
Sensors for arm positions
Optional sensors for load weighing, inclined slope, environment detection
contactor control, SPS or control integrated in crane control
Low maintenance due to automatic lubrication
Optical and acoustic signaling of operating states
Manual operation with mechanical tongs
Own operating elements (control panel, radio remote control) or crane control for electromotive and electrohydraulic grabs.
Safe maintenance with maintenance platform or storage rack