Cargo gripping gears with tongs

Cargo gripping gears with tongs

Cargo gripping gears with tongs of 16 and 50 t capacity are designed for gripping and holding blanks of 360×300 mm cross-section while transporting them with a shop crane. The gear consists of a cross-piece with four pairs of tongs suspended to it. The tongs are driven by hydraulic cylinders and the autonomous hydraulic unit mounted on the cross-piece. The cross-pieces are suspended by means of ropes on travelling cranes.

The device is suspended by wire ropes to the drums of the winch installed on the trolley of the overhead travelling crane which allows to move the device along the bridge, to lift and lower it. The slewing gear mounted on the trolley provides the device rotation through 180° in any direction from neutral position along the bridge.

The gears are controlled remotely from the control desk in the crane cabine.

To facilitate transportation, the gears are delivered being partly disassembled with dismounted tongs and ring-shaped grippers, dismounted end beams.

The gears are operated at ambient air temperatures ranging from minus 20 to plus 40 °С and relative humidity up to 95%.



Basic technical data
Parameter Designation
ЦАКИ.484136.005 ЦАКИ.484136.006
Mass of cargo to be transported, t 50 16
Speed of bringing together the tongs levers, m/s (m/min):
- with four grips closing 0,12 (7,2) 0,165 (9,9)
- with two grips closing 0,24 (14,4) 0,33 (19,8)
Distance between tongs levers, mm:
- minimum 300 130
- maximum 1800 600
Rated working pressure in pump unit, MPa (kgf/cm²) 13 (130)
Power consumption, kW 31,62 26,80
Mass of oil to be filled in hydraulic system, kg 800
Mass of gear, kg 25000 11000
Overall dimensions, mm 10000×2170×6570 9920×1380×5600