Hydraulic system and electrical system of HZQ900 launching girder

launching girder

Hydraulic system

Hydraulic system is set up in the from of distribution, includes rear leg 1 set, front leg 1 set, auxiliary leg 1 set, auxiliary overhead crane 1 set, lifting trolley 2 sets and so on, made up of hydraulic pump station, control elements, executive components-hydraulic oil cylinder and other parts; two control mode: centralized control and remote control

 Electrical system

3-phase 4-wire power supply, voltage grade 380V/220V. motor driving devices of the bridge girder launcher mainly includes lifting motors 4 sets, moving motors of lifting trolley 4 sets, moving motors of rear leg 4 sets, moving motors of auxiliary leg 2 sets, hanging driving motors of auxiliary leg 4 sets, hanging driving motors of front leg 4 sets, driving motors of auxiliary overhead crane 2 sets, hydraulic pump station motors 6 sets and winch hydraulic caliper disc brake pump station 1 set