Double girder overhead crane with grab consists of girders, crane traveling mechanism, trolley, electric system and grab. Double girder overhead crane with grab is widely used in power stations, warehouses, workshops and ports to grab or lift bulk materials. The lifting capacity includes the weight of grab and the grab opening direction is parallel or vertical to the main girders.
1. Each crane is equipped with an independent PLC for individual crane control.
2. All crane operations—including material transfer, loading, and mixing—are controlled from the grab crane control room.
3. The electrical control system employs a “PLC + touchscreen + variable frequency drive” configuration, enabling comprehensive monitoring, control, and high-precision speed regulation of the entire machine.
4. All crane mechanisms utilize digital variable frequency drives, with PLC control enabling manual/semi-automatic/fully automatic operation.
5. Features real-time dynamic material measurement, crane fault diagnosis and alarm, and remote fault diagnosis capabilities.
| Lifting capacity | t | 16t | 20t | ||||||||||||||||
| Span | m | 16.5 | 19.5 | 22.5 | 25.5 | 28.5 | 31.5 | 16.5 19.5 | 22.5 25.5 | 28.5 | 31.5 | ||||||||
| LiftingHeight | m | 28 | 26 | ||||||||||||||||
| Duty | A6 | A6 | |||||||||||||||||
| Speed | Hoisting | m/min | 41.8 | 45.7 | |||||||||||||||
| Crab travelling | 43.2 | 43.2 | |||||||||||||||||
| Crane travelling | 98 87.3 | 87.3 | |||||||||||||||||
| Limit Dimension | S1 | mm | 2305 | 2635 | |||||||||||||||
| S2 | 2060 | 2485 | |||||||||||||||||
| Main Dimension |
B | mm | 7583 | 7733 | 7833 | 7958 | 8058 | ||||||||||||
| W | 4800 | 5000 | 4800 | 5000 | |||||||||||||||
| K | 2500 | 2500 | |||||||||||||||||
| H | 2385 | 2535 | 2739 | ||||||||||||||||
| H1 | 940 | 1090 | 1090 | ||||||||||||||||
| H2 | 394 | 544 | 544 | 694 | 794 | 894 | 246 | 390 | 546 | 696 | 796 | 896 | |||||||
| H3 | 2814 | 2964 | 2964 | 3114 | 3214 | 3314 | 2666 | 2816 | 2966 | 3116 | 3216 | 3316 | |||||||
| H4 | 4999 | 5149 | 5149 | 5299 | 5399 | 5499 | 5101 | 5345 | 5501 | 5651 | 5751 | 5851 | |||||||
| H5 | 660 | 482 | |||||||||||||||||
| b | 260 | 300 | 300 | ||||||||||||||||
| Max.Wheel Loading | kN | 206 | 218 | 233 247 | 257 | 269 | 229 | 243 | 254 | 270 | 279 293 | ||||||||
| Power Supply | 3-Phase A .C.50Hz 380V | 3-Phase A.C.50Hz 380V | |||||||||||||||||
