Bridge gantry crane assembly precautions and measures

1, the assembly  hoist gantry crane  bridge erecting machine heads and technical staff should be responsible for site command, in accordance with the "bottom-up, from the middle to the sides," the processes followed by assembly. Joist assembly when setting up the sleeper crib, install each component must be strictly checked to ensure correct. To confirm when installing the motor rotation direction, the same motor function steering should be consistent. Install hydraulic oil inlet and outlet to note the location can not hold against.
2, the assembly used truck   steel crane    erecting machine with jobs, strictly enforce the "lifting safety, technical operation," directed by one person on-site. Not allowed to use excavators, loaders and other construction machinery instead of   overhead gantry crane   operations.
3, erecting machine assembly site should be closed Xianzarenyuan enter. Enter the assembly site staff must wear a helmet, wear protective shoes, working in the truss beam should wear seatbelts.
4, erecting machine assembled at the foundation must be compacted to maintain sufficient density and flatness, and 2-3 meters wide at the bridge table.