China HSHCL Truss type overhead double bridge girder launching gantry machine The China HSHCL Truss type overhead double bridge girder launching gantry machine is used to construct prefabricated spans up to 60m long. It is designed and fabricated in order to ensure high performances, efficiency, safety, flexibility and multiple successive utilization. 1. Independent supports relocation system. 2. Independent stressing platform handling system. 3. Service overhead crane. 4. Radio remote controls for all operations. 5. Radio remote controlled spreader beam for segment positioning. Safety is the most important issue for cranes. To ensure the safety, the following safety devices are equipment in China HSHCL Truss type overhead double bridge girder launching gantry machine. 1. Crane traveling limit switch. 2. Overload protection device. 3. Lifting height limit device. 4. Voltage lower protection function . 5. Phase sequence protection function. 6. Emergency stop function. 7. Rain cover for outside hoist, driving units, electric cubicle. 8. Warnings indicator: flashing nights and warning sounds. 9. Wire-less infra-detector for anti-collusion.
