When there is a sudden power failure during the work, the industrial gantry crane will stop working. Then, if the operating handle is not in a zero position, when the power is restored in the circuit, the industrial gantry crane will start itself and may cause an accident.
The zero protection of industrial gantry crane function is: in case of accidental power failure and then restoration of power supply, even if the main handle is not at the zero position, it will not start automatically to avoid accidents. In the structure of the cam controller, it can be found that when the control handles are in the zero position, the zero contact of the controller of the lifting and the large and small cars can be closed, and if it is in the non-zero position, the circuit is disconnected and cannot work.
Related news
- 50 ton Double Hooks Girder Gantry Crane Spe
- Mobile gantry crane wheels
- Industrial gantry crane hook choose
- Gantry Cranes Traveling Mechanisms Inspecti
- Outdoor gantry crane static power
- single girder gantry crane deliver to Austr
- BMH electric hoist semi gantry crane
- Mobile gantry crane control device
- Mobile gantry crane cable installation
- Box shape girder gantry crane