> News >

The Electric safety of mobile gantry cranes

Sep 04, 2018
Mobile gantry cranes are key ELECTRIC construction machinery in construction, to avoid the electric shock accidents, please pay attention to the following points:
 
1. The electrical equipment of the mobile gantry cranes must meet the requirements of GB5144-85.
 
2. The mobile gantry cranes should be grounded several times, and grounding devices should be installed at both ends of the track.
 
3. The power supply cables on the mobile gantry cranes are prohibited from mopping the ground.
 
4. The mobile gantry cranes and the surrounding wires should leave enough safety distance, all parts of the cantilever arm, including the edge of lifting heavy objects, can not have wire more than 10 kV, the horizontal distance should be kept above 2m.
 
5. In the mobile gantry cranes working at night, it is necessary to install a flood light to ensure a clear view in the working range. 
 
6. Check the travel switch, limit device, brake, etc. before each operation to ensure that the safety protection device can work normally.
 
single girder gantry crane
Top