Grab double girder overhead crane is mainly comprised of box-shaped bridge, grab crab, trolley travelling mechanism, cab and electric control system. The grab crab has switching mechanism and lifting mechanism. The grabs are separately hung over the switching mechanism and lifting mechanism with four steel wire ropes. The switching mechanism drives the grab to close to grab materials. When the grab is closed, the lifting mechanism shall be started immediately to hoist the four evenly loaded steel wire ropes. Discharging onl needs to start the switching mechanism, which opens the grab to pour materials. 

Features

Mechanism:

1. Double girders, box-type shaped by wielding, and the camber degree meets China standard;

2. Adopt high quality carbon steel Q235B and Q345B;

3. Efficient brake, long service life;

Electrical:

1. Safety slide contact line or angle slide conductor rails;

2. Trolley power supply through flat cable;

3. Traveling smoothly and beautiful exterior;

Protection:

1. Rain covers for lifting mechanism, motor box and drive system outdoors;

2. Anti-collision device, sound and light alarm device;

Control:

1. Handle control;

2. Cab control can be customized according users' needs with intermediate working level;

3. The cab can be open or close style installed left or right;

4. Entrance of cab: side entrance, end entrance and top entrance.